短视频制作教程,asiq淘宝没什么没有了

短视频是一种互联网内容传播方式,一般是指在互联网新媒体上传播的时长在30分钟以内的视频。随着移动终端普及和移动通信技术的发展,短平快的大流量传播内容逐渐获得各大平台、粉丝和资本的青睐。

本文目录

asiq淘宝没什么没有了,短视频制作教程?

短视频是一种互联网内容传播方式,一般是指在互联网新媒体上传播的时长在30分钟以内的视频。随着移动终端普及和移动通信技术的发展,短平快的大流量传播内容逐渐获得各大平台、粉丝和资本的青睐。

流程

短视频的制作流程分为前期筹备(包括但不限于选题、拍摄脚本、设备等)、拍摄、剪辑这三个主要的大流程。

选题

短视频制作流程第一步为选题,选一个擅长的题材进行拍摄。

短视频的选题内容要坚持以粉丝需求为前提,不能脱离粉丝,想要有好的播放量,就应该首先考虑到用户粉丝的喜好和痛点需求。就要求我们的选题内容要输出有价值,输出的内容有解决粉丝的痛点才能达到裂变传播的效果。选题内容要和定位有关联有匹配,以提升专业领域的影响力,更有利于塑造IP,打造优质账号,提高粉丝粘性。

幽默喜剧类

幽默喜剧类的受众比较广,只要不涉及敏感的内容,就将拥有众多移动端、PC端的观众。

“吐槽”类短视频是非常受观众喜欢的一种形式,就是要对他人的话语或是某个事件中的薄弱点进行言语上比较犀利的“吐槽”。此类视频一般针对当前热点问题来进行“吐槽”。这里要注意把控好吐槽的尺度:一方面不能太客气,以免吐槽不痛不痒没有效果;另一方面不能一味说狠话,且不能失去幽默感,避免对一些无关痛痒的内容进行吐槽。

作为内容创作者,虽然是“吐槽”,也一定要坚持正能量,更不能触犯国家法律。

生活技巧类

生活技巧类和幽默喜剧类一样有着不小的受众,短短几分钟就能学会一个可以使生活变得便捷的小窍门是广大用户所乐见的。生活技巧类短视频的基本诉求是“实用”,在策划这类短视频时要注意以下几点。

通俗易懂

这类短视频具有一个特点,即将困难的事变简单。短视频内容一定要通俗易懂,具体体现在用词通俗和步骤详细上。甚至在一些关键的地方要放慢节奏。

实用性强

生活技巧类短视频的取材一定要贴近生活,并且能为用户带来生活上的便利。所以一定要收集、整理、分析数据,此类短视频的实用性是非常重要的。

讲解有趣

一般来说,生活技巧类短视频比较枯燥,为了能更好地吸引用户的兴趣,在讲解方式上可以采用夸张的手法表现操作失误所带来的后果。

时尚美妆类

每个人对时尚的理解不同,要进行大量的前期调研,要对服装饰品的流行元素和常见的品牌有一定的了解。而对于个人穿搭类短视频就会简单很多,只要将自己的穿搭经验分享给用户即可。这些用户选择观看该类短视频就是为了从中学习一些技巧来让自己变美,所以在策划这类短视频时不要有实用的技巧,还要紧跟时尚潮流。

技巧类的美妆视频最受化妆初学者或是想要提高自己化妆技巧的用户的欢迎。

这类短视频在内容制作上要着重展示每一步化妆技巧,对同类美妆产品进行试用和评测,给予对美妆产品了解较少的或是在商品上犹豫不决的用户一些建议,这类短视频会吸引不少明星“粉丝”,这些“粉丝”会转化为潜在用户,为短视频运营带来便利。

标题新颖、具体

短视频标题的选取十分重要,一个好的标题往往能快速吸引用户的注意,从而使用户产生观看短视频的欲望。因此在标题选取上一定要新颖、具体,比如“戒指卡住手指怎么办?一招轻松取下”就比“戒指卡住手指取下的方法”好很多;“活了20多年才知道手机插头还有这样的妙用,看完我也试一试”就比“手机插头还能这样用”吸引人;“胶带头难找?那是因为你没学会这3招”就比“如何快速找胶带头”新颖、具体很多。

拍摄脚本

准备工作

可以将想要拍摄的故事先写成文字内容,然后再将叙事的内容拆解成脚本,分解出每一个场景镜头,根据拍摄情节需求确定细节、场景、及所需要的道具等。

可以参考上图。

撰写思路

在结构上设计视频梗概时,适当将视频内容划分为前、中、后三个部分。前期和后期承担内容引入以及收尾工作不宜过多,主要内容部分也就是视频中间部分则需要更多一些。视频开头的前5秒就要做到吸引注意力,否则后面的内容写得再好也很难吸引观众看下去。一般情况下:快一些的飞碟说平均语速能达到每分钟300个字。普通语速大概每分钟280——300个字。大气沉稳的配音大概每分钟220——250个字之间。

开场白

长度:一句话

内容:与观众打招呼+自我介绍

自我介绍可以是一段具有个人特色的口播,也就是专属于你自己的slogan。

比如:我是papi酱,一个集美貌与才华于一身的女子。

话题引入

内容:话题引入,可以使用举例子、设悬念等方式,告诉用户本视频的主题。

这一部分需要做到开门见山,快速切入正题,视频内容不需要冗长的前奏和铺垫。开场白过后,就可以立即表明本期的主题,引起观众的兴趣点。开头过于啰嗦,会让粉丝过早关闭视频,从而影响你视频的收益和后续的推荐。

如:智能马桶五不买,谨记这5点防坑。

叙述分析

内容:可以按照逻辑顺序在一个大的主题下层层递进的展开,也可以将大主题结构拆分为2-3个子主题进行论述。

子主题可以理解为小知识点:1……2……3……

这是视频最具有信息量的一部分,也是视频最具有竞争力的内容。

注意:一定要保证文案的原创性

结束语

长度:一句话

内容:可适当升华主题+呼吁观众转发、评论、关注自己。

粉丝关注不仅可以提升视频的收益,也可以提升视频后续的推荐量,以及推送人群的精准度,所以在视频的结尾可以适当升华主题之后,再加一段引导关注的口播。

比如:喜欢我的视频可以关注我,下期视频会与大家分享更多精彩的内容

注意要点

短视频脚本怎么写,在内容上你需要注意以下几点:

说“人话”、说“白话”、做到内容“口语化”

短视频脚本里的每句话都要做到口语化,在写的时候就想象成跟观众在对话,把拗口的书面化的文字,都改成通俗易懂的口语。

在主体框架下做到内容编排紧凑

视频虽然短,但是信息量大,观众的习惯一般都是希望在较短的时间内,看到最精彩的内容,所以尽可能的充分利用短视频的每一秒钟。

拍摄准备

准备拍摄设备

能达到不卡顿、画质清晰的,专业的拍摄设备自然最好,但是如果没有,也可以只要手机就行。对于简单的拍摄工作,一部手机其实是足够的,只要手机的配置够高,比摄像机操作更加简单。除了摄影设备,还有一些特殊的工具,比如支架,比如灯光设备,比如声音收集设备等等。

灯光设备

一、学会利用自然光

在所有运用光线摄影中,自然光>打光。

利用好自然光,就要学会感受光,一天之中,直射的太阳光因早晚时刻不同其照明的强度和角度是不一样的。早上光线太弱,太暗不适合拍摄,而中午的太阳光太亮,容易造成拍摄曝光,甚至因为光线太强烈,气温太炎热从会影响到镜头前的状态。

推荐大家最好的拍摄时间是14:00-17:00,用自然光去拍摄。缺点是受外界干扰因素很大,光线不稳定,甚至有时候会因为太阳逐渐落下,导致拍摄的位置一直在改变。

二、利用道具来打光

已有越来越多的研究表明,欧洲文艺复兴时期以来的许多绘画的创作都在不同程度上借助了光学仪器。天才的艺术,离不开科学技术的辅助。优质的视频内容,更应该借助道具来帮助我们呈现视频。优质画面的拍摄,与灯光的布置有着相当直接的关联。不同灯光的布置角度,往往会得到不同的画面呈现。

灯光在设备的使用上,其实并不比摄影设备简单。常见的灯光器材一般有:聚光筒、柔光箱、反光板、背景布、标准碗、反光伞(白色、银色)、蜂巢灯罩以及各种型号的灯光。当这些设备进行不同组合时,往往都会呈现出一样的明暗度。

而在摄像机和被拍摄主体等以确认之后,以主体为中心的一周之内,灯光可以简单的分为顺光、侧光、逆光三种。当然了除此之外,还可以详细的分为侧顺光、侧逆光、顶光和脚光等。

声音收集

1、机器自带的麦克风

使用拍摄机器自带的麦克风录音,是比较省钱的一种方式,如果你的拍摄设备性能不错,并且在比较安静的环境,那么录制出来的声音效果也不会差,但是相对来说,声音的质量比不上专业的录音设备,因为拍摄设备在录制视频的同时还要收声,说话的人离设备比较远,对于观看视频的人来说,就会觉得声音有距离感。

不过如果对视频的专业度要求不高,使用拍摄设备自带的麦克风就已经足够了。

2、耳机

录音耳机可以分为有线耳机、蓝牙耳机和真无线蓝牙耳机三种。

有线耳机:

有线耳机靠数据线传输数据,受外来干扰比较少,传输比较稳定。虽然现在无线耳机很流行,但是还是有很多人习惯使用有线耳机。

有线耳机音质相对稳定,连接也稳定,不会像蓝牙耳机一样会出现断连的情况,而且有线耳机无需充电,随取随用。而有线耳机的缺点就是,比较容易损坏,收纳麻烦,同时无法支持远距离录音的需求。

蓝牙耳机:

相对于有线耳机来说,蓝牙耳机省去了连接导线的羁绊,可在连接范围10米内不受限使用,外形小巧精致,方便收纳,没有线的束缚、理论上更适合运动时使用,不易损坏,使用寿命长。但是蓝牙颈挂耳机原本是为运动设计的款式,因此更注重的是运动佩戴使用的体验,在录音收音方面便无法满足,高质量的录音需求。

真无线蓝牙耳机:

真无线蓝牙耳机(TWS:True Wireless Stereo缩写),意为真正的无线立体声,因为其显著的优点正在以一发不可收拾之势席卷整个数码终端市场。

传统线材耳机有或者没有的功能,真无线耳机都有,例如调节音量大小,切歌,呼唤语音助手这些功能,并且还在续航能力、稳定性上有所提升。与普通蓝牙耳机相比,真无线耳机完全摒弃有线烦恼,不仅可以单独使用,还可以共享,两个人可以同时采用一副耳机进行视频拍摄及录音,并且在首次连接后可以开盖即可连接等都非常方便,也成为了很多短视频拍摄者选择的录音产品。

3、无线领夹麦克风

无线领夹麦克风体积小、重量轻,对使用者无任何着装要求,就算长时间佩戴,也不会有负重感。携带很方便,操作也简单,基本上拿起来就用。

背景音乐收集

背景音乐是必不可少的,需要有自己的音乐资源,不同的风格,不同的风格的歌曲都要收集。除此之外,还可以收集其他的特效,这样必要的时候,可以快速的打开,而不是临时寻找。

免费音乐网下载

Marmoset

非常好用的配乐素材库,只需要注册登录后就可以免费下载。可以通过筛选寻找各种情绪风格的配乐。除此之外,还可以通过整个音乐的节奏变化、情绪的演进、乐器等进行选择。

Freepd

收录了大量免版权的公众领域音乐资源素材,还进行了不同类型的分类,可免费试听下载。

Freesound

提供免费音乐的社区类网站,要注册成为会员后,才可以浏览和下载音乐素材。除了有很多不同类型的音乐,还有很多声音特效。

Ccmixter

可以随意分享和免费下载的音乐网站,优点在于可以通过筛选的方式快速浏览并获得想要的音乐,而且每首音乐都有相应的版权授权信息。

Musopen

主要提供古典音乐资源,包括吉他、大提琴、钢琴等,同时还提供了很多无版权音乐,所有音乐都可以免注册、免费下载,甚至可以下载乐谱。

拍摄

(以小米11手机为例)

在手机上找到“相机”,并点击打开。

点击“更多”。

点击“短视频”。

点击箭头所指处,即可开始拍摄短视频。

横屏拍摄

尽管现在的手机多数app均为竖屏结构,但是当你点击一个视频全屏收看时你会发现还是横屏模式,这样会利用到有限的屏幕空间。

控制抖动

无论如何抖动对于视频都是致命的,除了防抖神器以及后期软件去抖以外,当拍摄对象移动的时候,你移动整个身体而不是移动手机,这样拍出来的视频就会比较稳定。如果想更稳定一点,可以使用专业的设备三脚架来避免抖动。

利用光线

光线的影响至关重要,比如拍摄美女在逆光时的表现更加柔美,而男性角色的话顺光甚至有些阴影的话是可以的。

动态变焦

手机相对于专业摄影设备还是有它的局限性,对于拍摄时的变焦(就是我们理解的放大缩小)往往效果不好。所以要尽量减少或不使用拍摄期间的变焦,拍摄一个镜头期间不做变换。

剪辑

技巧

60秒以下包含60秒的短视频,台词不宜超过 200 个字,否则听起来会让人觉得特别的累。还有就是单个镜头的时长一定要提前标注清楚,这么做的原因是在剪辑的时候方便找到重点,提升剪辑效率。

特效转场

短视频剪辑过程中需要将两个片段衔接到一起,所以很多小伙伴就会大量的使用转场特效,包括硬切、叠化、淡入淡出。这种转场特效用的多了会让粉丝产生审美疲劳,所以可以用转场特效,但是不要大量堆叠的使用。

配音和内容相符

短视频剪辑过程中,往往需要配音,在选择配音员或者背景音乐的时候一定要注意和内容相符合。比如悬疑短视频最好选择比较紧张的背景音乐加上语气悬疑的配音员等等。

切勿盲目堆叠

刚开始做短视频剪辑的时候,喜欢用大量的剪辑资料,将每一个片段都尽量的保留下来。这个是不好的,做短视频剪辑首先要学会挑选资料,最好同一个场景下只选择一个镜头,控制好短视频的时长才行。

把握节奏

节奏包含了音乐乐感,鼓点但不限于此,遇到卡点短视频会觉得非常有趣,甚至自己都会不自觉地跟着节奏摇摆起来,这其实就是节奏感的魅力了。让短视频和背景音乐结合起来就可以在背景音乐突然发生变化,或者出现重音、重鼓点的时候做一个变速,和短视频内容结合。

工具

开始的时候使用做简单的剪辑即可有很多可以做手机视频编辑的app,循序渐进的练习后您也可以使用专业的pc软件进行此类操作。比如pr。

剪映APP

特点:免费使用,功能齐全,模板丰富,每个功能有视频讲解、玩法教程,适合新手;转场效果多,支持视频贴纸,输出无水印。

VUE vlog

特点:vlog拍摄工具,拥有多款实时滤镜、动态美颜、多镜头拍摄,简单易上手,可以设置多种画幅,包括圆形画幅和电影式的超宽屏画幅,能够满足大多数人对视频剪辑的需求。

Quik

特点:完全免费,提供了24种不同视频风格,每种风格拥有自己独特的转场效果和背景音乐;提供13种滤镜,只需要点击自己喜欢的风格,会自动找到视频的最佳时刻。

快影

特点:免费使用,具有强大的视频剪辑功能,比如分割、修剪、拼接、倒放、变速等功能,可支持一键导出视频至本地相册。

以剪映为例

导入素材

点击开始创作导入素材

进行剪辑

可以进行一些剪辑,加入特效、插入音频等。

导出视频

导出视频后可以上传到各大平台。

%3Chowto_content%3E[{"type":"paragraph","attrs":{"is_abstract":true},"children":[{"type":"text","text":"短视频是一种互联网内容传播方式,一般是指在互联网新媒体上传播的时长在30分钟以内的视频。随着移动终端普及和移动通信技术的发展,短平快的大流量传播内容逐渐获得各大平台、粉丝和资本的青睐。","id":""}],"text":"","id":"doxcnoI4k8CKOgwgQgjn8RY1Fxe"},{"type":"heading","attrs":{"level":1},"children":[{"type":"text","text":"流程","id":""}],"text":"","id":"doxcn8gImGeW6048WAr0ilDviKb"},{"type":"paragraph","children":[{"type":"text","text":"短视频的制作流程分为前期筹备(包括但不限于选题、拍摄脚本、设备等)、拍摄、剪辑这三个主要的大流程。","id":""}],"text":"","id":"doxcnoeUimkeyoYkigjUbsuw8Ab"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"选题","id":""}],"text":"","id":"doxcnkYEEIGYyEKSgqMf19PINRh"},{"type":"paragraph","children":[{"type":"text","text":"短视频制作流程第一步为选题,","id":""},{"type":"text","text":"选一个擅长的题材进行拍摄。","id":""}],"text":"","id":"doxcnOAcUaWCO0ucKkvSKs2TA5d"},{"type":"paragraph","children":[{"type":"text","text":"短视频的选题内容要坚持以粉丝需求为前提,不能脱离粉丝,想要有好的播放量,就应该首先考虑到用户粉丝的喜好和痛点需求。就要求我们的选题内容要输出有价值,输出的内容有解决粉丝的痛点才能达到裂变传播的效果。选题内容要和定位有关联有匹配,以提升专业领域的影响力,更有利于塑造IP,打造优质账号,提高粉丝粘性。","id":""}],"text":"","id":"doxcnyogEegiU0mcgQJQBpSuf90"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"幽默喜剧类","id":""}],"text":"","id":"doxcnOe8qyMGCmismyM5YsYR7Fh"},{"type":"paragraph","children":[{"type":"text","text":"幽默喜剧类的受众比较广,只要不涉及敏感的内容,就将拥有众多移动端、PC端的观众。","id":""}],"text":"","id":"doxcnK0sGS4SWUQU0gFGfqWM0Kf"},{"type":"paragraph","children":[{"type":"text","text":"“吐槽”类短视频是非常受观众喜欢的一种形式,就是要对他人的话语或是某个事件中的薄弱点进行言语上比较犀利的“吐槽”。此类视频一般针对当前热点问题来进行“吐槽”。这里要注意把控好吐槽的尺度:一方面不能太客气,以免吐槽不痛不痒没有效果;另一方面不能一味说狠话,且不能失去幽默感,避免对一些无关痛痒的内容进行吐槽。","id":""}],"text":"","id":"doxcnMo40QeYA6smc2FgAk06tMg"},{"type":"paragraph","children":[{"type":"text","text":"作为内容创作者,虽然是“吐槽”,也一定要坚持正能量,更不能触犯国家法律。","id":""}],"text":"","id":"doxcnU6ScyOsgUa6GQD8u5OiWed"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"生活技巧类","id":""}],"text":"","id":"doxcnyiGmKcmEogCIkvMdjgL9Ob"},{"type":"paragraph","children":[{"type":"text","text":"生活技巧类和幽默喜剧类一样有着不小的受众,短短几分钟就能学会一个可以使生活变得便捷的小窍门是广大用户所乐见的。生活技巧类短视频的基本诉求是“实用”,在策划这类短视频时要注意以下几点。","id":""}],"text":"","id":"doxcno26Ea8IWg8oQUKoZJSUd3Y"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"通俗易懂","id":""}],"text":"","id":"doxcneuGACiCYsk4MQTMVo1iCng"},{"type":"paragraph","children":[{"type":"text","text":"这类短视频具有一个特点,即将困难的事变简单。短视频内容一定要通俗易懂,具体体现在用词通俗和步骤详细上。甚至在一些关键的地方要放慢节奏。","id":""}],"text":"","id":"doxcnmMy4mW80IKuGwheBtvQMdd"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"实用性强","id":""}],"text":"","id":"doxcn0oKIUSgCo2GQMTRLAU7r4g"},{"type":"paragraph","children":[{"type":"text","text":"生活技巧类短视频的取材一定要贴近生活,并且能为用户带来生活上的便利。所以一定要收集、整理、分析数据,此类短视频的实用性是非常重要的。","id":""}],"text":"","id":"doxcnSIyKOKAM6u0aINho4iNFBf"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"讲解有趣","id":""}],"text":"","id":"doxcnWeGsW8gUEgSWQnUClggFXd"},{"type":"paragraph","children":[{"type":"text","text":"一般来说,生活技巧类短视频比较枯燥,为了能更好地吸引用户的兴趣,在讲解方式上可以采用夸张的手法表现操作失误所带来的后果。","id":""}],"text":"","id":"doxcn0seW20ggiYocWYzWXLufDd"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"时尚美妆类","id":""}],"text":"","id":"doxcnMSO24qcaKS46sHXbzP016b"},{"type":"paragraph","children":[{"type":"text","text":"每个人对时尚的理解不同,要进行大量的前期调研,要对服装饰品的流行元素和常见的品牌有一定的了解。而对于个人穿搭类短视频就会简单很多,只要将自己的穿搭经验分享给用户即可。这些用户选择观看该类短视频就是为了从中学习一些技巧来让自己变美,所以在策划这类短视频时不要有实用的技巧,还要紧跟时尚潮流。","id":""}],"text":"","id":"doxcniIOA0Img2swmwz1ceNcQrf"},{"type":"paragraph","children":[{"type":"text","text":"技巧类的美妆视频最受化妆初学者或是想要提高自己化妆技巧的用户的欢迎。","id":""}],"text":"","id":"doxcnG0meacKWiiWKMVa1lexDgd"},{"type":"paragraph","children":[{"type":"text","text":"这类短视频在内容制作上要着重展示每一步化妆技巧,对同类美妆产品进行试用和评测,给予对美妆产品了解较少的或是在商品上犹豫不决的用户一些建议,这类短视频会吸引不少明星“粉丝”,这些“粉丝”会转化为潜在用户,为短视频运营带来便利","id":""},{"type":"text","text":"。","id":""}],"text":"","id":"doxcni40OAOaWseSsYWeNWsf8sb"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"标题新颖、具体","id":""}],"text":"","id":"doxcnGcA0u8o62c8c8TaGWMhQlb"},{"type":"paragraph","children":[{"type":"text","text":"短视频标题的选取十分重要,一个好的标题往往能快速吸引用户的注意,从而使用户产生观看短视频的欲望。因此在标题选取上一定要新颖、具体,比如“戒指卡住手指怎么办?一招轻松取下”就比“戒指卡住手指取下的方法”好很多;“活了20多年才知道手机插头还有这样的妙用,看完我也试一试”就比“手机插头还能这样用”吸引人;“胶带头难找?那是因为你没学会这3招”就比“如何快速找胶带头”新颖、具体很多。","id":""}],"text":"","id":"doxcngSWgMW6S6Q62YxAu57Co8L"},{"type":"heading","attrs":{"level":1},"children":[{"type":"text","text":"拍摄脚本","id":""}],"text":"","id":"doxcneagWmqAa4ASyAXql5nNWWe"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"准备工作","id":""}],"text":"","id":"doxcnuCyqqmyewS6qMPTWys6QCc"},{"type":"paragraph","children":[{"type":"text","text":"可以将想要拍摄的故事先写成文字内容,","id":""},{"type":"text","text":"然后再将叙事的内容拆解成脚本,分解出每一个场景镜头,","id":""},{"type":"text","text":"根据拍摄情节需求确定细节、场景、及所需要的道具等。","id":""}],"text":"","id":"doxcnqqiKCcKY8wO00GhZ4JhWne"},{"type":"image","attrs":{"height":209,"note":[{"type":"text","text":"准备工作","id":""}],"url":"{{image_domain}}tos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","id":""}],"text":"","id":"doxcno8YQY44UIaGii039PZ5hzK"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"真无线蓝牙耳机:","id":""}],"text":"","id":"doxcneQ4uko4uMw0gwteE3V80af"},{"type":"paragraph","children":[{"type":"text","text":"真无线蓝牙耳机(TWS:True Wireless Stereo缩写),意为真正的无线立体声,因为其显著的优点正在以一发不可收拾之势席卷整个数码终端市场。","id":""}],"text":"","id":"doxcnwCW0mWKKMoEc0y9XJWEIoh"},{"type":"paragraph","children":[{"type":"text","text":"传统线材耳机有或者没有的功能,真无线耳机都有,例如调节音量大小,切歌,呼唤语音助手这些功能,并且还在续航能力、稳定性上有所提升。与普通蓝牙耳机相比,真无线耳机完全摒弃有线烦恼,不仅可以单独使用,还可以共享,两个人可以同时采用一副耳机进行视频拍摄及录音,并且在首次连接后可以开盖即可连接等都非常方便,也成为了很多短视频拍摄者选择的录音产品。 ","id":""}],"text":"","id":"doxcnSqmgsoC28m6O8luw3P0cgd"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"3、无线领夹麦克风","id":""}],"text":"","id":"doxcn6WGCG4cUoQMUUh02Ryrueh"},{"type":"paragraph","children":[{"type":"text","text":"无线领夹麦克风体积小、重量轻,对使用者无任何着装要求,就算长时间佩戴,也不会有负重感。携带很方便,操作也简单,基本上拿起来就用。","id":""}],"text":"","id":"doxcnIO2koU8GiS0u0iIaKhha2b"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"背景音乐收集","id":""}],"text":"","id":"doxcnUuY4ASqkC4AMm4SVcRgrwY"},{"type":"paragraph","children":[{"type":"text","text":"背景音乐是必不可少的,需要有自己的音乐资源,不同的风格,不同的风格的歌曲","id":""},{"type":"text","text":"都要收集","id":""},{"type":"text","text":"。除此之外,还可以收集其他的特效,这样必要的时候,可以快速的打开,而不是临时寻找。","id":""}],"text":"","id":"doxcnG28SCmgeCsA2egcTYw2HIe"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"免费音乐网下载","id":""},{"type":"text","text":" ","id":""}],"text":"","id":"doxcnCaK4GOEy0EUkwxwKsHbxGg"},{"type":"paragraph","children":[{"type":"text","text":"Marmoset","id":""}],"text":"","id":"doxcnkuw6EqomoC0ySCgoXQoMFM"},{"type":"paragraph","children":[{"type":"text","text":"非常好用的配乐素材库,只需要注册登录后就可以免费下载。可以通过筛选寻找各种情绪风格的配乐。除此之外,还可以通过整个音乐的节奏变化、情绪的演进、乐器等进行选择。 ","id":""}],"text":"","id":"doxcnsqOOImwqe82YIpJcuc6bBf"},{"type":"paragraph","children":[{"type":"text","text":"Freepd","id":""}],"text":"","id":"doxcncES02eiyWAKSE7u2XIgbZe"},{"type":"paragraph","children":[{"type":"text","text":"收录了大量免版权的公众领域音乐资源素材,还进行了不同类型的分类,可免费试听下载。 ","id":""}],"text":"","id":"doxcnAw8OOqsUWiMM2TSLJVGzGb"},{"type":"paragraph","children":[{"type":"text","text":"Freesound","id":""}],"text":"","id":"doxcnqmAaSSeGyUmcMrt8VW2UZf"},{"type":"paragraph","children":[{"type":"text","text":"提供免费音乐的社区类网站,要注册成为会员后,才可以浏览和下载音乐素材。除了有很多不同类型的音乐,还有很多声音特效。 ","id":""}],"text":"","id":"doxcnA8MaY2OiYG04KcSK7AWmtg"},{"type":"paragraph","children":[{"type":"text","text":"Ccmixter","id":""}],"text":"","id":"doxcnIgqUIwQIMIkcoVygE7UTtf"},{"type":"paragraph","children":[{"type":"text","text":"可以随意分享和免费下载的音乐网站,优点在于可以通过筛选的方式快速浏览并获得想要的音乐,而且每首音乐都有相应的版权授权信息。 ","id":""}],"text":"","id":"doxcnG8i0yi4Ku0wqQBV5w2dH4b"},{"type":"paragraph","children":[{"type":"text","text":"Musopen","id":""}],"text":"","id":"doxcnUuoq4Y2ECAsMy0mMQFyq5e"},{"type":"paragraph","children":[{"type":"text","text":"主要提供古典音乐资源,包括吉他、大提琴、钢琴等,同时还提供了很多无版权音乐,所有音乐都可以免注册、免费下载,甚至可以下载乐谱。","id":""}],"text":"","id":"doxcngs2oa6ioSm24mWvWQ8QHng"},{"type":"heading","attrs":{"level":1},"children":[{"type":"text","text":"","id":""}],"text":"","id":"doxcnaWS8sYKGscwIQaAo5Ic92n"},{"type":"heading","attrs":{"level":1},"children":[{"type":"text","text":"拍摄","id":""}],"text":"","id":"doxcn2gMsgeq4IyoKGEML40k9Tb"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"(以小米11手机为例)","id":""}],"text":"","id":"doxcnuoGueOGMmswA80SBsXqTvc"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"在手机上找到“相机”,并点击打开。","id":""}],"text":"","id":"doxcnouiKwiwQ0sgSKCjPbcZhSe"},{"type":"image","attrs":{"height":632,"note":[{"type":"text","text":"拍摄","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/6c367b146bd24efc864ad2ca24982de2","width":319},"text":"","id":"doxcn0Uk8aaYII4qAqSCLpWV8wh"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"点击“更多”。","id":""}],"text":"","id":"doxcnIICYscQ4GeeY9IuIssUGfH"},{"type":"image","attrs":{"height":707,"note":[{"type":"text","text":"拍摄","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/dcc2b0b7d7b6402ba9dcf83bab04f67e","width":400},"text":"","id":"doxcneqE2O4kUiCeswhiu0zXRlf"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"点击“短视频”。","id":""}],"text":"","id":"doxcno0CkS6keW0EyUN6vxgKE0f"},{"type":"image","attrs":{"height":668,"note":[{"type":"text","text":"拍摄","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/57304e14da1e469d92293b512bab872d","width":391},"text":"","id":"doxcnEo4SyigQugIgQXVsfRtfzc"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"点击箭头所指处,即可开始拍摄短视频。","id":""}],"text":"","id":"doxcngui0sOMMeSSSw1JIf3OA4c"},{"type":"image","attrs":{"height":713,"note":[{"type":"text","text":"拍摄","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/965d7cd211f64a02b69c0994fb79da7d","width":346},"text":"","id":"doxcny62EkCi2MUaK8RAgjJyzAg"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"横屏拍摄","id":""}],"text":"","id":"doxcn4AkWMeMEqEyyGyyOiANrve"},{"type":"paragraph","children":[{"type":"text","text":"尽管现在的手机多数app均为竖屏结构,但是当你点击一个视频全屏收看时你会发现还是横屏模式,这样会利用到有限的屏幕空间。","id":""}],"text":"","id":"doxcnSaIysygagMCMoVcBZ1f8Pg"},{"type":"image","attrs":{"height":244,"note":[{"type":"text","text":"横屏拍摄","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/4734492c1f9243c9bee4f1d98f5e83c0","width":498},"text":"","id":"doxcnm8Uog4wSM0Sw9tTOuyK7vA"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"控制抖动","id":""}],"text":"","id":"doxcnM8uU6ay62KaImyXK1XWjPc"},{"type":"paragraph","children":[{"type":"text","text":"无论如何抖动对于视频都是致命的,除了防抖神器以及后期软件去抖以外,当拍摄对象移动的时候,","id":""},{"type":"text","text":"你移动整个身体而不是移动手机,这样拍出来的视频就会比较稳定。如果想更稳定一点,可以使用专业的设备三脚架来避免抖动。","id":""}],"text":"","id":"doxcnUCmmAsqsmGKeOSKE1ygIef"},{"type":"image","attrs":{"height":270,"note":[{"type":"text","text":"控制抖动","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/2082f08f9109499cac37f6dfaf18d070","width":324},"text":"","id":"doxcnCmsyAIycQcmkmipWPFFn3c"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"利用光线","id":""}],"text":"","id":"doxcnAc6I0SuyGIYQs9K9bnhigg"},{"type":"paragraph","children":[{"type":"text","text":"光线的影响至关重要,","id":""},{"type":"text","text":"比如拍摄美女在逆光时的表现更加柔美,而男性角色的话顺光甚至有些阴影的话","id":""},{"type":"text","text":"是可以的","id":""},{"type":"text","text":"。","id":""}],"text":"","id":"doxcnE4cGwUE0UiMyoVErZcTsWg"},{"type":"image","attrs":{"height":194,"note":[{"type":"text","text":"利用光线","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/3c89343b90c9482989d3f948b0c8b7e4","width":456},"text":"","id":"doxcn08U220wsWuoWausOM7Lexf"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"动态变焦","id":""}],"text":"","id":"doxcnQWI6u88WsMOCaklxB05fSd"},{"type":"paragraph","children":[{"type":"text","text":"手机相对于专业摄影设备还是有它的局限性,对于拍摄时的变焦(就是我们理解的放大缩小)往往效果不好。所以要尽量减少或不使用拍摄期间的变焦,","id":""},{"type":"text","text":"拍摄一个镜头期间不做变换","id":""},{"type":"text","text":"。","id":""}],"text":"","id":"doxcn8s8K40WE0Wqi899TT7rp4g"},{"type":"image","attrs":{"height":290,"note":[{"type":"text","text":"动态变焦","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/0614bf8f281c48f4926b5323152903f1","width":640},"text":"","id":"doxcncm2wSGG2kAcK6z0pJemEff"},{"type":"heading","attrs":{"level":1},"children":[{"type":"text","text":"剪辑","id":""}],"text":"","id":"doxcn4yYAUKaSOSWcy4sYwTsRzd"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"技巧","id":""}],"text":"","id":"doxcn62yCQSqIiuqe0JQlqCXyet"},{"type":"paragraph","children":[{"type":"text","text":"60秒以下包含60秒的短视频,台词不宜超过 200 个字,否则听起来会让人觉得特别的累。还有就是","id":""},{"type":"text","text":"单个镜头的时长一定要提前标注清楚","id":""},{"type":"text","text":",这么做的原因是在剪辑的时候方便找到重点,提升剪辑效率。","id":""}],"text":"","id":"doxcnAakWEaQasWsAUHwR2lEpLb"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"特效转场","id":""}],"text":"","id":"doxcnsuoIqYAKukUEcvskw0Kfgb"},{"type":"paragraph","children":[{"type":"text","text":"短视频剪辑过程中需要将两个片段衔接到一起,所以很多小伙伴就会大量的使用转场特效,包括硬切、叠化、淡入淡出。这种转场特效用的多了会让粉丝产生审美疲劳,所以可以用转场特效,但是不要大量堆叠的使用。","id":""}],"text":"","id":"doxcnO0qOSio6EiYiuS5rVyWt1e"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"配音和内容相符","id":""}],"text":"","id":"doxcnmGCc40WS6MA2YRj4QPc7Zf"},{"type":"paragraph","children":[{"type":"text","text":"短视频剪辑过程中,往往需要配音,在选择配音员或者背景音乐的时候一定要注意和内容相符合。比如悬疑短视频最好选择比较紧张的背景音乐加上语气悬疑的配音员等等。","id":""}],"text":"","id":"doxcnWyYG0q622Muem6UUUUNkye"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"切勿盲目堆叠","id":""}],"text":"","id":"doxcnIMYKY4g2emccIZFNE6x2nf"},{"type":"paragraph","children":[{"type":"text","text":"刚开始做短视频剪辑的时候,喜欢用大量的剪辑资料,将每一个片段都尽量的保留下来。这个是不好的,做短视频剪辑首先要学会挑选资料,最好同一个场景下只选择一个镜头,控制好短视频的时长才行。","id":""}],"text":"","id":"doxcnw2KY2eIKqw8OSmnb31GZsh"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"把握节奏","id":""}],"text":"","id":"doxcn2ieEEuMciwwOElohpFRCCe"},{"type":"paragraph","children":[{"type":"text","text":"节奏包含了音乐乐感,鼓点但不限于此,遇到卡点短视频会觉得非常有趣,甚至自己都会不自觉地跟着节奏摇摆起来,这其实就是节奏感的魅力了。让短视频和背景音乐结合起来就可以在背景音乐突然发生变化,或者出现重音、重鼓点的时候做一个变速,和短视频内容结合。","id":""}],"text":"","id":"doxcnCSQa8AUeKsMCElQ42QcDVc"},{"type":"heading","attrs":{"level":1},"children":[{"type":"text","text":"工具","id":""}],"text":"","id":"doxcngk0u42AEckSkKA0tC4pvUd"},{"type":"paragraph","children":[{"type":"text","text":"开始的时候使用做简单的剪辑即可有很多可以做手机视频编辑的app,循序渐进的练习后您也可以使用专业的pc软件进行此类操作。比如pr。","id":""}],"text":"","id":"doxcn8AYcEkA6AyeAQf21AATLJf"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"剪映APP","id":""}],"text":"","id":"doxcnguCouo4uAEg6UWQp5qoxkG"},{"type":"paragraph","children":[{"type":"text","text":"特点:免费使用,功能齐全,模板丰富,每个功能有视频讲解、玩法教程,适合新手;转场效果多,支持视频贴纸,输出无水印。","id":""}],"text":"","id":"doxcnueYIU0AguuYGghU8KKR4Ng"},{"type":"image","attrs":{"height":585,"note":[{"type":"text","text":"剪映APP","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/b7f8d95128354dd983ce98dfbdb7bb11","width":1195},"text":"","id":"doxcnMquKGwc84m2KGyOKSluhce"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"VUE vlog","id":""}],"text":"","id":"doxcnkcsC4mogAASymWvEiGcT5g"},{"type":"paragraph","children":[{"type":"text","text":"特点:vlog拍摄工具,拥有多款实时滤镜、动态美颜、多镜头拍摄,简单易上手,可以设置多种画幅,包括圆形画幅和电影式的超宽屏画幅,能够满足大多数人对视频剪辑的需求。","id":""}],"text":"","id":"doxcnwgSUwwKwIyOkkbgKQQsZHg"},{"type":"image","attrs":{"height":512,"note":[{"type":"text","text":"VUE vlog","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/42a8fac345fd48d98bd3c4a03d8780df","width":576},"text":"","id":"doxcnGGu6uAQ2SsQQw8eTz8cDv4"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"Quik","id":""}],"text":"","id":"doxcnQwmcGea6uG0yO0VO71Zc0b"},{"type":"paragraph","children":[{"type":"text","text":"特点:完全免费,提供了24种不同视频风格,每种风格拥有自己独特的转场效果和背景音乐;提供13种滤镜,只需要点击自己喜欢的风格,会自动找到视频的最佳时刻。","id":""}],"text":"","id":"doxcnemESaKoqQyoaEV2Ln6ZfWd"},{"type":"image","attrs":{"height":982,"note":[{"type":"text","text":"Quik","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/a54365b222dd47f5be480be35b44e149","width":1749},"text":"","id":"doxcnmKkcQ2wyKmoOOCO4OCTnvf"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"快影","id":""}],"text":"","id":"doxcneMckes6qQ0oSekG3Ov5tif"},{"type":"paragraph","children":[{"type":"text","text":"特点:免费使用,具有强大的视频剪辑功能,比如分割、修剪、拼接、倒放、变速等功能,可支持一键导出视频至本地相册。","id":""}],"text":"","id":"doxcngiyugSaEYEEsyLNsv096lb"},{"type":"image","attrs":{"height":900,"note":[{"type":"text","text":"快影","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/7c634fd025d340b89972d09a72bb3bd3","width":506},"text":"","id":"doxcnW8e4mYK4WWgyeyhMNdHbOf"},{"type":"heading","attrs":{"level":1},"children":[{"type":"text","text":"以剪映为例","id":""}],"text":"","id":"doxcnKIccSok4iUuygN87URwe9f"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"导入素材","id":""}],"text":"","id":"doxcnIeq8qiUW440iwnRhHWNgEg"},{"type":"paragraph","children":[{"type":"text","text":"点击开始创作导入素材","id":""}],"text":"","id":"doxcnOMi0MIAYyMEQa9KUNH4b8Y"},{"type":"image","attrs":{"height":538,"note":[{"type":"text","text":"导入素材","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/b79cba50fe4d4a0d88f79c1999138615","width":281},"text":"","id":"doxcny4aIICOuQoeoQT6ByurVPh"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"进行剪辑","id":""}],"text":"","id":"doxcn6eEKuuKI2o0gYHnkdPPFUb"},{"type":"paragraph","children":[{"type":"text","text":"可以进行一些剪辑,加入特效、插入音频等。","id":""}],"text":"","id":"doxcnYycwmg6ogASgzrjRWSWHBZ"},{"type":"image","attrs":{"height":465,"note":[{"type":"text","text":"进行剪辑","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/11b53046c09e421bafc6576243b7c4de","width":255},"text":"","id":"doxcngSkSIgUCI6USQJTgJKCGNd"},{"type":"paragraph","children":[{"type":"text","text":"","id":""}],"text":"","id":"doxcnCEa0EIUgkuiM846iEt7XCQ"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"导出视频","id":""}],"text":"","id":"doxcnKQiIK6SeOaMaeIc5iEVAUe"},{"type":"paragraph","children":[{"type":"text","text":"导出视频后可以上传到各大平台。","id":""}],"text":"","id":"doxcnCAgI0agQg68Eg7sdnB2BHe"},{"type":"image","attrs":{"height":752,"note":[{"type":"text","text":"导出视频","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/a85cd9c2c4f14252933e4325be91434f","width":506},"text":"","id":"doxcniEoCus6aASMIc35ZpbZqJb"},{"type":"heading","attrs":{"level":1},"children":[{"type":"text","text":"","id":""}],"text":"","id":"doxcnU8wk8I0YGuA24tzhGggc1f"},{"type":"paragraph","children":[{"type":"text","text":"","id":""}],"text":"","id":"doxcnk2AoaG2uOGSQonFUJS3Ctg"}]%3C%2Fhowto_content%3E

视频剪辑教程?

视频剪辑是将收集或者拍摄好的视频、音频、图片等材料,通过视频剪辑软件剪辑可以进行二次切割、合并、重组等功能形成一个新的视频的过程。

学习剪辑工具

剪辑软件

视频剪辑常用的软件有剪映、EDIUS、PR等软件。

1、剪映是一款国产剪辑软件,功能齐全,含有贴纸、字体、滤镜等丰富功能,适合剪辑vlog或者短视频,特点在于容易上手,比较适合新手。

2、EDIUS是一款专门为广播和后期制作等环境设计的软件,这款软件非常好用、特别稳定而且对电脑配置要求低,目前很多电视台都在用这款软件。当然个人剪辑或者工作室也可以选择这款软件,剪辑各种短视频不在话下。

3、PR是剪辑界的扛把子,也是一款专业的剪辑软件,广泛用于电视节目、广告制作和各种短视频的制作中。

学习教材

学习剪辑首先要先学会使用剪辑软件,我们可以通过阅读相关教材来系统的学习剪辑软件。

剪映教材

《剪映轻松学》作者:宿丹华,这本书是初学者快速自学使用剪映进行短视频制作的实用教程。本书包括基础操作、音乐、 文字、转场、特效、调色、素材管理等相关内容。同时包含大量案例实战,能够帮助读者将所学内容融会贯通, 使其快速上手。

EDIUS教材

《中文版EDIUS Pro 7从入门到精通》作者:樊宁宁,这本书详细地介绍了视频剪辑的制作流程和细节,帮助用户快速掌握EDIUS Pro 7软件的使用方法。全书共15章,包括剪辑常识大讲堂、剪辑入门必修知识、进入EDIUS Pro 7的世界、 EDIUS Pro 7的剪辑流程、素材的采集与导入、素材的剪辑与操作、视频滤镜的应用、视频转场的应用、特效合成制作、字幕的应用、音频音效制作、视音频输出、实战案例制作、综合案例制作和商业案例等方面的内容,讲解过程中配有大量的辅助案例、练习、提示和技巧说明。所有案例都具有较高的技术含量,实用性强,便于读者学以致用。

PR教材

《Adobe Premiere Pro CC 2018经典教程》,此书是Adobe官方出版Premiere,Pro,CC基础教程,是学习Premiere Pro基本操作的普及图书,书中提供完整教学资源,包括素材文件、复习题及答案。

《Primiere Rro CC从入门到精通(微课视频 全彩版)》,视频课程详细介绍了Premiere Pro CC在视频编辑中的使用方法和应用技巧,是一本Premiere 软件基础教程,也是一本Premiere完全自学视频教程。

网站视频教程

除了以上的教材,我们还可以在一些视频网站学习专门的软件课程。

比如哔哩哔哩上就有很多相关软件的教学课程,我们可以配合着课本学习,这样更加直观。

剪映教程学习https://www.bilibili.com/video/BV18h41117BF/?spm_id_from=333.337.search-card.all.click

EDIUS教程学习https://www.bilibili.com/video/BV1vp4y1r7c7/?spm_id_from=333.337.search-card.all.click

PR教程学习https://www.bilibili.com/video/BV1de4y1Z73u/?spm_id_from=333.337.search-card.all.click

大家在学习软件的时候可以去网上多搜集一下,寻找适合自己的视频课程学习。

学习剪辑思维

当我们拿到一些素材、片子的时候,我们要懂得如何去拼凑画面,怎么运用镜头去叙述我们要呈现的内容,怎么采用辅助手段,比如文字、旁白、对白、独白、音乐、音效、转场等,这种思维方式就是剪辑思维。

如果没有剪辑思维那么拿到片子后就不知道怎么下手,这也就是很多学员学了软件之后不知道从哪里开始剪辑的原因。

我们可以将剪辑师与作家进行类比,作家使用的是一个个成型的文字,而镜头就相当于一个个文字,剪辑师按照一定的规律随机组合,达到叙述的目的。

比如下面三句话:

“虽然我爱你,但是我们不能在一起!”

“虽然我们不能在一起,但是我爱你!”

“虽然我们爱你,但是不能在一起!”

这三句话文字、标点都是一样的,只是排列组合方式不同,这样表达出来的意思与重点就完全不一样了。

剪辑师就是把拍好的镜头,按照规律随机组合,前人将镜头随机组合的特定规律,进行了总结与归纳,并将它命名为“蒙太奇”。

所以概括起来:

剪辑思维就是运用蒙太奇的规律,用镜头去叙述的一种思维方式。

想要学习剪辑思维,那么就要学习蒙太奇的知识。

蒙太奇

蒙太奇是以交代情节、展示事件为主旨,按照情节发展的时间流程、因果关系来分切组合镜头、场面和段落,从而引导观众理解剧情的手法。

分镜头 : 导演将整个影片或电视片的内容按照背景、对话、音乐、镜头长度等分切成许多准备拍摄的镜头,称为分镜头。

分切组合镜头:把完整的一个场景分开拍摄之后会形成一个一个镜头,剪辑的时候需要把他们组合连贯起来,这样就能表达出我们的主题内容。

蒙太奇的构成

蒙太奇分为:平行蒙太奇、交叉蒙太奇、连续蒙太奇、重复蒙太奇、颠倒蒙太奇。

蒙太奇的含义

平行蒙太奇

同一主题下面采用同一时间、地点,不同的人做不同的事情的表现手法。

1、两条或两条以上的情节线索并列,在不同时空中分头叙述,相互烘托,形成对比和呼应;

2、在一个完整的结构之中、表现同一主题、易于产生强烈的艺术感染效果。

交叉蒙太奇

同一时间,不同的人做同一件事情的中间,交叉两个人的互动。

在同一段落场景中,在同一时间,不同地点,迅速而频繁地交替剪接在一起、极易引起悬念、造成紧张激烈的气氛、加强剧中情节矛盾冲突的尖锐性、惊险片、恐怖片常用此手法造成追逐和惊险的场面。

连续蒙太奇

什么人把什么事情做完,一整套表现完整 。

普遍常用的剪辑手法、沿着一条单一的情节线索,按照时间的逻辑顺序,有节奏进行连续叙述,表现出其中的戏剧跌宕。

重复蒙太奇

同一个主人公在不同的时间做相同的动作。

相当于文学中的复叙方式、把具有一定寓意的镜头或重要的场面,通过精心构思、在关键时刻反复出现、突出人物命运、性格、心理的变化、塑造人物、深化主题。

颠倒蒙太奇

一种打乱结构的蒙太奇方式。

先展现故事或事件的当前状态,然后再介绍故事的始末。虽然打乱事件的叙述顺序、时空关系,仍需把事情交代清楚,叙事也要符合逻辑避免平铺直叙。

学习方法

学习剪辑思维最好的办法就是拉片。

拉片就是对一个好的视频(比如好的电影、纪录片、宣传片、短视频等)反复地观看,然后把片子里面的每一个画面、构图、镜头运动、灯光用什么剪辑风格等,一点点的分析出来,然后按照分析出来的经验,模仿剪辑,在实际项目中运用它,这样慢慢就能提高。

摄影机机位在水平面及空间所做的各种位置、角度的变化,称之为镜头的运动。

根据摄影机镜头运动的路线、速度和方式的不同,镜头的运动又可以分为不同的种类,主要包括所谓“推、拉、摇、移、升、降、甩。”

推:指摄影机水平方向直线向前的运动。如果被摄对象位置不变,摄影机则会距离被摄对象越来越近。

拉:与推相反,指摄影机水平方向直线向后的运动。如果被摄对象位置不变,摄影机则会距被摄对象越来越远。

摇:指摄影机位置不变,角度改变。主要分为水平方向的摇和垂直方向的摇。

移:指摄影机在水平上或空间中的位置发生明显的变化,镜头的运动路线可以是任意的。

升:指摄影机在空间中垂直方向的向上运动。

降:指摄影机在空间中垂直方向的向下运动。

甩:指摄影机的角度或者位置快速的改变。通常用来表现一个动作与对于这个动作的快速反应,例如抛物与接物,在动作片里一般应用较多

刚入行的剪辑师,至少需要做到镜头逻辑上不出任何问题。比如,全景视频交代的是一个男性在餐馆吃饭,特写却出现一双女性的手,这在叙事上就会产生逻辑的错误,特写可以出现牛肉面、男性的手,这样的逻辑才是通顺的。

如果通过上面的介绍还是不能了解蒙太奇和拉片,那么就可以观看下下面的视频教程,进行进一步的学习。

剪辑为什么是蒙太奇:

https://www.bilibili.com/video/BV1C5411d7iz/?spm_id_from=333.337.search-card.all.click

拉片是什么:

https://www.bilibili.com/video/BV1pL4y1x7mH/?spm_id_from=333.337.search-card.all.click

剪辑手法技巧

熟练运用剪辑手法可以最大限度的让整个视频展现在观众的眼前,因此学会有技巧的运用剪辑方法十分重要。

常用的剪辑手法及技巧有13种,分别是动作顺接、离切、交叉剪辑、跳切、匹配剪辑、淡入淡出、叠化、跳跃剪辑、圆形划像、划像、隐藏转场、声音滞后、声音优先。

动作顺接

在角色还在动作的时候切换镜头,进行剪辑,切割点可以选择在角色转身、丢东西等日常行为动作。

具体的剪辑手法可以观看以下课程,课程里会有详细的介绍。

动作顺接:https://www.bilibili.com/video/BV1VR4y1c7zu/?spm_id_from=333.337.search-card.all.click

离切

画面插入镜头的时候,先切入画面,然后再切回主镜头。比如主角在星空下谈心,会将星空画面插入镜头中,再插回主角谈心的镜头。插入镜头可以与角色在同一空间,也可以是角色内心的深层情感展开。

具体的剪辑手法可以观看以下课程,课程里会有详细的介绍。

离切:https://www.bilibili.com/video/BV1bZ4y1B7mJ/?spm_id_from=333.337.search-card.all.click

交叉剪辑

交叉剪辑就是在两个场景之间来回切换镜头,多用于电话通话场景。如果使用得当,它会增加紧张感和悬念,这种技巧也能反映人物的内心世界。

具体的剪辑手法可以观看以下课程,课程里会有详细的介绍。

交叉剪辑:https://www.bilibili.com/video/BV1v3411A7FN/?spm_id_from=333.337.search-card.all.click

跳切

把同一个镜头拼接起来,通常用来显示时间的流逝。

具体的剪辑手法可以观看以下课程,课程里会有详细的介绍。

跳切剪辑:https://www.bilibili.com/video/BV1434y1s7jQ/?spm_id_from=333.337.search-card.all.click

匹配剪辑

匹配剪辑有时候被误认为是跳转剪辑(跳切),但它们是不同的。

匹配剪辑连接的两个镜头通常具有相同的动作或构图,一般用于场景切换,因为图片总是从一个地方跳到另一个地方,这会导致误解。匹配的剪辑不一定落在视觉上,也可以落在听觉上,有基于对话的匹配剪辑。

具体的剪辑手法可以观看以下课程,课程里会有详细的介绍。

匹配剪辑:https://www.bilibili.com/video/BV1D44y1P7xD/?spm_id_from=333.337.search-card.all.click

淡入淡出

这是最简单的一种剪辑方式,通常表现为镜头会模糊到全黑的画面中,或者从中消失。经常用于影片的转场,即一幕戏结束后转向新的场景开始新的剧情。

具体的剪辑手法可以观看以下课程,课程里会有详细的介绍。

淡入淡出:https://www.bilibili.com/video/BV1Yg411M7Xn/?spm_id_from=333.337.search-card.all.click

叠化转场

它是把一个镜头叠加在另一个镜头上,画面呈现两个镜头的素材的剪辑手法。蒙太奇常用这种技巧,它还可以显示时间的流逝。你可以叠加相同的镜头。

具体的剪辑手法可以观看以下课程,课程里会有详细的介绍。

叠化转场:https://www.bilibili.com/video/BV1sa411N77S/?spm_id_from=333.337.search-card.all.click

跳跃剪辑

跳跃剪辑是具有突然效果的过渡剪辑方式,它通常用于角色从噩梦中醒来的场景,或者从大动作片到中等动作片。

具体的剪辑手法可以观看以下课程,课程里会有详细的介绍。

跳跃剪辑:https://www.bilibili.com/video/BV1JY411A742/?spm_id_from=333.337.search-card.all.click

圆形划像

早期这实际上是相机的效果,令光孔聚焦某物。如今,它只是一种程式化的技术,可以在许多电影场景中看到,光线聚集在一处。

具体的剪辑手法可以观看以下课程,课程里会有详细的介绍。

圆形划像:https://www.bilibili.com/video/BV1uZ4y1s76u/?spm_id_from=333.337.search-card.all.click

划像擦拭

把画面划入划出。

具体的剪辑手法可以观看以下课程,课程里会有详细的介绍。

划像(擦拭):https://www.bilibili.com/video/BV1fZ4y1u7cR/?spm_id_from=333.337.search-card.all.click

隐藏转场

使用阴影隐藏拼接会产生同一个镜头的错觉,拼接会隐藏在镜头的快速晃动中,它可以在镜头移动中隐藏拼接过渡。

具体的剪辑手法可以观看以下课程,课程里会有详细的介绍。

隐藏转场:https://www.bilibili.com/video/BV1R3411t74W/?spm_id_from=333.337.search-card.all.click

声音滞后

根据音效编辑的过渡模式,上一个镜头的音效将继续到下一个镜头,在可预测的剪辑中不一定使用声音滞后。

声音优先

这是下一个镜头的音效,在画面出现之前响起。声音滞后和先入是为了确保节奏不被打断,创造一个完美的过渡,连接前后,让声音效果引导观众。声音优先也非常适合在画面中引入新的元素。

关于声音的剪辑手法可以观看以下课程,课程里会有详细的介绍视频里面应该如何使用声音。

视频里的声音剪辑:https://www.bilibili.com/video/BV1Gi4y1M7jg/?spm_id_from=333.337.search-card.all.click

使用画外音:https://www.bilibili.com/video/BV12a411C7Uf/?spm_id_from=333.337.search-card.all.click

剪辑素材

在开始剪辑的时候需要自己寻找一些剪辑素材,下面介绍下剪辑视频的素材获取方法。

1、自己拍摄视频

可以用自己手头上的设备,如单反、手机、ipad进行拍摄获取。可以拍摄生活类、美食类、风景类的视频,拍好后再进行剪辑。自己拍摄视频的好处就是不用考虑相关版权的问题。

2、在素材网站寻找素材

国内的网站都要注意版权问题,我们在寻找素材的时候可以多使用国外的网站素材。

该类型网站获取视频的方法:

①录屏;

②直接在网站下载。

剪辑素材网站

如果不是无版权的素材,侵权是不可能避免的。

只要使用影视素材,无论是制作混剪还是吐槽视频,都是侵权。

那么我们如何寻找一些可商用的正版的无版权视频素材网站进行创作?

下面分享一些可以寻找素材的网站。

1、新片场素材

网址:https://stock.xinpianchang.com/

该网站提供正版视频素材、正版音乐素材、图片素材、AE模板等平台

2、Footage Crate

网址:https://mazwai.com/

该网站提供的免费音视频素材,并且也提供一些制作教程。

3、Life of Vids

网址:https://www.lifeofvids.com/

提供时长为30秒左右的片段,大多设计师和工程师这个网站。

4、Stockio

网址:https://www.stockio.com/

提供非常多的免费图片和视频素材资源网站。

%3Chowto_content%3E[{"type":"paragraph","attrs":{"is_abstract":true},"children":[{"type":"text","text":"视频剪辑是将收集或者拍摄好的视频、音频、图片等材料,通过视频剪辑软件剪辑可以进行二次切割、合并、重组等功能形成一个新的视频的过程。","id":""}],"text":"","id":"YquUdiSoqoGAqYxqktmcTSUgnne"},{"type":"heading","attrs":{"level":1},"children":[{"type":"text","text":"学习剪辑工具","id":""}],"text":"","id":"ZcAAdOScoo6kkixwDnLcu97unee"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"剪辑软件","id":""}],"text":"","id":"OWoSdKoSIoA6G8xcp9RcAGsDnye"},{"type":"paragraph","children":[{"type":"text","text":"视频剪辑常用的软件有剪映、EDIUS、PR等软件。","id":""}],"text":"","id":"QGIqdwSaUo0syixCmf0cNZWannf"},{"type":"paragraph","children":[{"type":"text","text":"1、剪映是一款国产剪辑软件,功能齐全,含有贴纸、字体、滤镜等丰富功能,适合剪辑vlog或者短视频,特点在于容易上手,比较适合新手。","id":""}],"text":"","id":"TSCwdwEaCoou60xINz3ccSypnqh"},{"type":"image","attrs":{"height":568,"note":[{"type":"text","text":"剪辑软件","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/0bd8fa54e7d94a2485abeeef251dd71a","width":1123},"text":"","id":"TGywdKAqWoSsmqx6Z7RceUs1nIn"},{"type":"paragraph","children":[{"type":"text","text":"2、EDIUS是一款专门为广播和后期制作等环境设计的软件,这款软件非常好用、特别稳定而且对电脑配置要求低,目前很多电视台都在用这款软件。当然个人剪辑或者工作室也可以选择这款软件,剪辑各种短视频不在话下。","id":""}],"text":"","id":"YUgAdeIqsoOA0Uxu4VucpoCmnOf"},{"type":"image","attrs":{"height":433,"note":[{"type":"text","text":"剪辑软件","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/a282c0feb5de4b8a896d5e7b626cf3d5","width":749},"text":"","id":"EiiSdwgqWoCi4cxMZW4cGNgyn0g"},{"type":"paragraph","children":[{"type":"text","text":"3、PR是剪辑界的扛把子,也是一款专业的剪辑软件,广泛用于电视节目、广告制作和各种短视频的制作中。","id":""}],"text":"","id":"LiMkd6kccoqoEuxsjKyco7PLnug"},{"type":"image","attrs":{"height":422,"note":[{"type":"text","text":"剪辑软件","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/6ffb071b53c24e86900424c37b672418","width":750},"text":"","id":"YiiMdMg2SocsqcxIb6rcsIm7nZc"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"学习教材","id":""}],"text":"","id":"HgscdOii6ogCoYxcOMccuEArnnb"},{"type":"paragraph","children":[{"type":"text","text":"学习剪辑首先要先学会使用剪辑软件,我们可以通过阅读相关教材来系统的学习剪辑软件。","id":""}],"text":"","id":"LA6Cdo2ICoWO4ax2bjVcubdAnSb"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"剪映教材","id":""}],"text":"","id":"AmemdCESioyYm0xk6nYcmXGfn9S"},{"type":"paragraph","children":[{"type":"text","text":"《剪映轻松学》作者:宿丹华,这本书是初学者快速自学使用剪映进行短视频制作的实用教程。本书包括基础操作、音乐、 文字、转场、特效、调色、素材管理等相关内容。同时包含大量案例实战,能够帮助读者将所学内容融会贯通, 使其快速上手。","id":""}],"text":"","id":"YI0UdaOwYoGeyuxs0AbcuapJnVV"},{"type":"image","attrs":{"height":509,"note":[{"type":"text","text":"剪映教材","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/8b0ac1552e3d4f3db3b71e214aa503fd","width":720},"text":"","id":"JK4AdGEiYoSquIxm0BscjHPEnXf"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"EDIUS教材","id":""}],"text":"","id":"I8wmd8ea2oQaUixGqXccBVKLntb"},{"type":"paragraph","children":[{"type":"text","text":"《中文版EDIUS Pro 7从入门到精通》作者:樊宁宁,这本书详细地介绍了视频剪辑的制作流程和细节,帮助用户快速掌握EDIUS Pro 7软件的使用方法。全书共15章,包括剪辑常识大讲堂、剪辑入门必修知识、进入EDIUS Pro 7的世界、 EDIUS Pro 7的剪辑流程、素材的采集与导入、素材的剪辑与操作、视频滤镜的应用、视频转场的应用、特效合成制作、字幕的应用、音频音效制作、视音频输出、实战案例制作、综合案例制作和商业案例等方面的内容,讲解过程中配有大量的辅助案例、练习、提示和技巧说明。所有案例都具有较高的技术含量,实用性强,便于读者学以致用。","id":""}],"text":"","id":"TKikdisiMoUiMmxqOytc8qCnn3b"},{"type":"image","attrs":{"height":767,"note":[{"type":"text","text":"EDIUS教材","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/4f1697538bcd470a81dc5272b6059c0a","width":779},"text":"","id":"J06ad4qW0oKSquxIZGcco8wEn4b"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"PR教材","id":""}],"text":"","id":"NWyWdiacIoOOCaxINpTc1ddVncU"},{"type":"paragraph","children":[{"type":"text","text":"《","id":""},{"type":"text","text":"Adobe Premiere Pro CC 2018经典教程","id":""},{"type":"text","text":"》,此书是Adobe官方出版Premiere,Pro,CC基础教程,是学习Premiere Pro基本操作的普及图书,书中提供完整教学资源,包括素材文件、复习题及答案。","id":""}],"text":"","id":"Ku0Kdwss0ouA8sxSEGtcTkninCd"},{"type":"image","attrs":{"height":617,"note":[{"type":"text","text":"PR教材","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/7b9ccf3d179d4dea93cfdedf01a2df32","width":784},"text":"","id":"KsOmdkGUqoYAA8x4x9EcPyPDnQh"},{"type":"paragraph","children":[{"type":"text","text":"《Primiere Rro CC从入门到精通(微课视频 全彩版)》,视频课程详细介绍了Premiere Pro CC在视频编辑中的使用方法和应用技巧,是一本Premiere 软件基础教程,也是一本Premiere完全自学视频教程。","id":""}],"text":"","id":"GaAQdoi0WoKaYOxeY4RcjRREnxe"},{"type":"image","attrs":{"height":599,"note":[{"type":"text","text":"PR教材","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/5c92f2818b4049e48183f08b54e3bfc1","width":847},"text":"","id":"Y8yMd0kGwo4SU4xUf6qcLobtnpb"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"网站视频教程","id":""}],"text":"","id":"Igu8d2sGQoWwiAxzufTcrWnZnFi"},{"type":"paragraph","children":[{"type":"text","text":"除了以上的教材,我们还可以在一些视频网站学习专门的软件课程。","id":""}],"text":"","id":"SUk0dyC6MoC2CixCyWDc2nyKnbc"},{"type":"paragraph","children":[{"type":"text","text":"比如哔哩哔哩上就有很多相关软件的教学课程,我们可以配合着课本学习,这样更加直观。","id":""}],"text":"","id":"Y2kGdMWCco4m2Cxkp9scIhy5nMe"},{"type":"paragraph","children":[{"type":"text","text":"剪映教程学习","id":""},{"type":"external_link","attrs":{"url":"https://www.bilibili.com/video/BV18h41117BF/?spm_id_from=333.337.search-card.all.click"},"children":[{"type":"text","text":"https://www.bilibili.com/video/BV18h41117BF/?spm_id_from=333.337.search-card.all.click","id":""}],"text":"","id":""}],"text":"","id":"I8iedG0ECoI4m4xsLtHc3Nl7nzb"},{"type":"paragraph","children":[{"type":"text","text":"EDIUS教程学习","id":""},{"type":"external_link","attrs":{"url":"https://www.bilibili.com/video/BV1vp4y1r7c7/?spm_id_from=333.337.search-card.all.click"},"children":[{"type":"text","text":"https://www.bilibili.com/video/BV1vp4y1r7c7/?spm_id_from=333.337.search-card.all.click","id":""}],"text":"","id":""}],"text":"","id":"FKiwdI4MSoW2gSxkxjZcJ6ten7e"},{"type":"paragraph","children":[{"type":"text","text":"PR教程学习","id":""},{"type":"external_link","attrs":{"url":"https://www.bilibili.com/video/BV1de4y1Z73u/?spm_id_from=333.337.search-card.all.click"},"children":[{"type":"text","text":"https://www.bilibili.com/video/BV1de4y1Z73u/?spm_id_from=333.337.search-card.all.click","id":""}],"text":"","id":""}],"text":"","id":"MkUedGkGCoMqoCxkdDvcgTWgnLc"},{"type":"paragraph","children":[{"type":"text","text":"大家在学习软件的时候可以去网上多搜集一下,寻找适合自己的视频课程学习。","id":""}],"text":"","id":"RgyodoIEYoi8Q6xyqoWcrM3mnpg"},{"type":"heading","attrs":{"level":1},"children":[{"type":"text","text":"学习剪辑思维","id":""}],"text":"","id":"ZqQidoUaooQmKCxK0N5ce6nAn5g"},{"type":"paragraph","children":[{"type":"text","text":"当我们拿到一些素材、片子的时候,我们要懂得如何去拼凑画面,怎么运用镜头去叙述我们要呈现的内容,怎么采用辅助手段,比如文字、旁白、对白、独白、音乐、音效、转场等,这种思维方式就是剪辑思维。","id":""}],"text":"","id":"TSGMdGUUSoIW2IxkDyGcYRaknde"},{"type":"paragraph","children":[{"type":"text","text":"如果没有剪辑思维那么拿到片子后就不知道怎么下手,这也就是很多学员学了软件之后不知道从哪里开始剪辑的原因。","id":""}],"text":"","id":"BGqQdUiu4oUqkoxIBVicoJNJn4d"},{"type":"paragraph","children":[{"type":"text","text":"我们可以将剪辑师与作家进行类比,作家使用的是一个个成型的文字,而镜头就相当于一个个文字,剪辑师按照一定的规律随机组合,达到叙述的目的。","id":""}],"text":"","id":"WU0OdOQY6o0gQYxm07mcTcYqn4f"},{"type":"paragraph","children":[{"type":"text","text":"比如下面三句话:","id":""}],"text":"","id":"WSAIdU64cocS4axg1NvcVIMinrc"},{"type":"paragraph","children":[{"type":"text","text":"“虽然我爱你,但是我们不能在一起!”","id":""}],"text":"","id":"R6eWduoO4o2SECxySKocNKKKnhf"},{"type":"paragraph","children":[{"type":"text","text":"“虽然我们不能在一起,但是我爱你!”","id":""}],"text":"","id":"B6UKdKw2Sow2kyxcfAucXYLJn8g"},{"type":"paragraph","children":[{"type":"text","text":"“虽然我们爱你,但是不能在一起!”","id":""}],"text":"","id":"PcqwdMUGyoQmC0xWGV4cDv3Znzb"},{"type":"paragraph","children":[{"type":"text","text":"这三句话文字、标点都是一样的,只是排列组合方式不同,这样表达出来的意思与重点就完全不一样了。","id":""}],"text":"","id":"NUAAdiwGOoW0Qmx4j4rcCsX7nJf"},{"type":"paragraph","children":[{"type":"text","text":"剪辑师就是把拍好的镜头,按照规律随机组合,前人将镜头随机组合的特定规律,进行了总结与归纳,并将它命名为“蒙太奇”。","id":""}],"text":"","id":"WESod6iQioSCaYx6UELcruDuneg"},{"type":"paragraph","children":[{"type":"text","text":"所以概括起来:","id":""}],"text":"","id":"ZMCwdeICqo4MsYx4G4icIcB8nHe"},{"type":"paragraph","children":[{"type":"text","text":"剪辑思维就是运用蒙太奇的规律,用镜头去叙述的一种思维方式。","id":""}],"text":"","id":"SIcUdgSGgoKI4kxaQbOcTdZFndg"},{"type":"paragraph","children":[{"type":"text","text":"想要学习剪辑思维,那么就要学习蒙太奇的知识。","id":""}],"text":"","id":"WiuGdymyCoCmU2xygd2cVhWPnAd"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"蒙太奇","id":""}],"text":"","id":"B0Csd24IMoq424xusqscymwGnyg"},{"type":"paragraph","children":[{"type":"text","text":"蒙太奇是以交代情节、展示事件为主旨,按照情节发展的时间流程、因果关系来分切组合镜头、场面和段落,从而引导观众理解剧情的手法。","id":""}],"text":"","id":"ACEWduQYYoswgkxuUspcG32KnSd"},{"type":"paragraph","children":[{"type":"text","text":"分镜头 : 导演将整个影片或电视片的内容按照背景、对话、音乐、镜头长度等分切成许多准备拍摄的镜头,称为分镜头。","id":""}],"text":"","id":"M0QudeGAso6S6CxwhmNcBd51nff"},{"type":"paragraph","children":[{"type":"text","text":"分切组合镜头:把完整的一个场景分开拍摄之后会形成一个一个镜头,剪辑的时候需要把他们组合连贯起来,这样就能表达出我们的主题内容。","id":""}],"text":"","id":"GO8adyqOQowKOyxCCfbcC9mlnUd"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"蒙太奇的构成","id":""}],"text":"","id":"WwwOdO0Ugo0KMwxcph5clk02nvd"},{"type":"paragraph","children":[{"type":"text","text":"蒙太奇分为:平行蒙太奇、交叉蒙太奇、连续蒙太奇、重复蒙太奇、颠倒蒙太奇。","id":""}],"text":"","id":"MGoQdQmkIoqsMWxGSM5cGCS8nAe"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"蒙太奇的含义","id":""}],"text":"","id":"SYkKd4O2koCq6yxiCkPcS7ECn6g"},{"type":"paragraph","children":[{"type":"text","text":"平行蒙太奇","id":""}],"text":"","id":"F2qAdeo6Co8QqExYfEAcoAZ1nAd"},{"type":"paragraph","children":[{"type":"text","text":"同一主题下面采用同一时间、地点,不同的人做不同的事情的表现手法。","id":""}],"text":"","id":"KUmQdwUckoKu28xslx7catu5nPb"},{"type":"paragraph","children":[{"type":"text","text":"1、两条或两条以上的情节线索并列,在不同时空中分头叙述,相互烘托,形成对比和呼应;","id":""}],"text":"","id":"Y8eUdMaEgoWCsGx8q7tcQchEncb"},{"type":"paragraph","children":[{"type":"text","text":"2、在一个完整的结构之中、表现同一主题、易于产生强烈的艺术感染效果。","id":""}],"text":"","id":"CwSWd8KASoQaS4xwXRUcXZRnnRc"},{"type":"paragraph","children":[{"type":"text","text":"交叉蒙太奇","id":""}],"text":"","id":"HC2mdE2YmocWwuxIGujcvXmbnmk"},{"type":"paragraph","children":[{"type":"text","text":"同一时间,不同的人做同一件事情的中间,交叉两个人的互动。","id":""}],"text":"","id":"Dec8dOsM6oaa6UxEZsdc79fMnFd"},{"type":"paragraph","children":[{"type":"text","text":"在同一段落场景中,在同一时间,不同地点,迅速而频繁地交替剪接在一起、极易引起悬念、造成紧张激烈的气氛、加强剧中情节矛盾冲突的尖锐性、惊险片、恐怖片常用此手法造成追逐和惊险的场面。","id":""}],"text":"","id":"TMoudMIKeoqWECx2ZO0cQZcvn6g"},{"type":"paragraph","children":[{"type":"text","text":"连续蒙太奇","id":""}],"text":"","id":"FcqydaK4eoAqmCxorz2cZc08nEh"},{"type":"paragraph","children":[{"type":"text","text":"什么人把什么事情做完,一整套表现完整 。","id":""}],"text":"","id":"PW4Odqy4YocE2exMA46ccfM2nlw"},{"type":"paragraph","children":[{"type":"text","text":"普遍常用的剪辑手法、沿着一条单一的情节线索,按照时间的逻辑顺序,有节奏进行连续叙述,表现出其中的戏剧跌宕。","id":""}],"text":"","id":"QgGkd2MOOoS4I8xMb9XcJdFpn1e"},{"type":"paragraph","children":[{"type":"text","text":"重复蒙太奇","id":""}],"text":"","id":"ToQQdgoOWoKIwyxEDqucXYDUng8"},{"type":"paragraph","children":[{"type":"text","text":"同一个主人公在不同的时间做相同的动作。","id":""}],"text":"","id":"Ua6SdIoGuo2IGWxUx8hcYY9Hnxe"},{"type":"paragraph","children":[{"type":"text","text":"相当于文学中的复叙方式、把具有一定寓意的镜头或重要的场面,通过精心构思、在关键时刻反复出现、突出人物命运、性格、心理的变化、塑造人物、深化主题。","id":""}],"text":"","id":"Vi4sdQ8YkoCoyixchXqcR5akn4c"},{"type":"paragraph","children":[{"type":"text","text":"颠倒蒙太奇","id":""}],"text":"","id":"XOQ8dgUIIoeGwExghmNc2JrcnLd"},{"type":"paragraph","children":[{"type":"text","text":"一种打乱结构的蒙太奇方式。","id":""}],"text":"","id":"QSO0dGi0UoggK4xK8x5ce1l0nrf"},{"type":"paragraph","children":[{"type":"text","text":"先展现故事或事件的当前状态,然后再介绍故事的始末。虽然打乱事件的叙述顺序、时空关系,仍需把事情交代清楚,叙事也要符合逻辑避免平铺直叙。","id":""}],"text":"","id":"Uw4YdKGUio2kKmxIvE7crJRhnNb"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"学习方法","id":""}],"text":"","id":"SWsUdiSq4oEYqexQIpqc2qnunSF"},{"type":"paragraph","children":[{"type":"text","text":"学习剪辑思维最好的办法就是拉片。","id":""}],"text":"","id":"WQMwdYoisoUUMCxI1e1cLNaindc"},{"type":"paragraph","children":[{"type":"text","text":"拉片就是对一个好的视频(比如好的电影、纪录片、宣传片、短视频等)反复地观看,然后把片子里面的每一个画面、构图、镜头运动、灯光用什么剪辑风格等,一点点的分析出来,然后按照分析出来的经验,模仿剪辑,在实际项目中运用它,这样慢慢就能提高。","id":""}],"text":"","id":"BAgIdo6gEomGucx679dciiR7nDd"},{"type":"paragraph","children":[{"type":"text","text":"摄影机机位在水平面及空间所做的各种位置、角度的变化,称之为镜头的运动。","id":""}],"text":"","id":"ZisMdK2IsoqimSxmMcacfaJOnCb"},{"type":"paragraph","children":[{"type":"text","text":"根据摄影机镜头运动的路线、速度和方式的不同,镜头的运动又可以分为不同的种类,主要包括所谓“推、拉、摇、移、升、降、甩。”","id":""}],"text":"","id":"Km4OdMec6o2sCaxYt1icMWthnSh"},{"type":"paragraph","children":[{"type":"text","text":"推:指摄影机水平方向直线向前的运动。如果被摄对象位置不变,摄影机则会距离被摄对象越来越近。","id":""}],"text":"","id":"JgOudmYqkoSGCMxOUFVcCTo7nEf"},{"type":"paragraph","children":[{"type":"text","text":"拉:与推相反,指摄影机水平方向直线向后的运动。如果被摄对象位置不变,摄影机则会距被摄对象越来越远。","id":""}],"text":"","id":"UqOydS0KKoeumYx8LWbchC02nvt"},{"type":"paragraph","children":[{"type":"text","text":"摇:指摄影机位置不变,角度改变。主要分为水平方向的摇和垂直方向的摇。","id":""}],"text":"","id":"Vgg4du8k2oSKIyx2lkvczd6DnAe"},{"type":"paragraph","children":[{"type":"text","text":"移:指摄影机在水平上或空间中的位置发生明显的变化,镜头的运动路线可以是任意的。","id":""}],"text":"","id":"XMU4dEKGGoSII2xYZQfcjwuXnC1"},{"type":"paragraph","children":[{"type":"text","text":"升:指摄影机在空间中垂直方向的向上运动。","id":""}],"text":"","id":"UGEIdkK4oo8agqxq8C8ciHwwnXd"},{"type":"paragraph","children":[{"type":"text","text":"降:指摄影机在空间中垂直方向的向下运动。","id":""}],"text":"","id":"FmQqdMoS6oW42ixGuwGcfLIMnjg"},{"type":"image","attrs":{"height":573,"note":[{"type":"text","text":"学习方法","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/f04ce7ff4b2c437abab07b5fc77cd3cc","width":791},"text":"","id":"OWiQdCsOIoqo64xaWYlczgbfn2e"},{"type":"paragraph","children":[{"type":"text","text":"甩:指摄影机的角度或者位置快速的改变。通常用来表现一个动作与对于这个动作的快速反应,例如抛物与接物,在动作片里一般应用较多","id":""}],"text":"","id":"JaYwdSYQUoUwKexyYHpcc50gnEf"},{"type":"paragraph","children":[{"type":"text","text":"刚入行的剪辑师,至少需要做到镜头逻辑上不出任何问题。比如,全景视频交代的是一个男性在餐馆吃饭,特写却出现一双女性的手,这在叙事上就会产生逻辑的错误,特写可以出现牛肉面、男性的手,这样的逻辑才是通顺的。","id":""}],"text":"","id":"Q6uqdYYYooYUMsxEtQictjO4nSg"},{"type":"image","attrs":{"height":496,"note":[{"type":"text","text":"学习方法","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/728f7079886e4fdaa4647ee147292ef0","width":905},"text":"","id":"Sk6Qd0SKYoE488xq2NKcMj4OnJd"},{"type":"paragraph","children":[{"type":"text","text":"如果通过上面的介绍还是不能了解蒙太奇和拉片,那么就可以观看下下面的视频教程,进行进一步的学习。","id":""}],"text":"","id":"E4KGdewCwome0axiWUAcjFXLnQd"},{"type":"paragraph","children":[{"type":"text","text":"剪辑为什么是蒙太奇:","id":""}],"text":"","id":"IWiIdKscIoUWooxcTu9cbYN4nxg"},{"type":"paragraph","children":[{"type":"external_link","attrs":{"url":"https://www.bilibili.com/video/BV1C5411d7iz/?spm_id_from=333.337.search-card.all.click"},"children":[{"type":"text","text":"https://www.bilibili.com/video/BV1C5411d7iz/?spm_id_from=333.337.search-card.all.click","id":""}],"text":"","id":""}],"text":"","id":"S2Mcdyy2koAyWMxsn0Dcdlypnne"},{"type":"paragraph","children":[{"type":"text","text":"拉片是什么:","id":""}],"text":"","id":"JGeAdc4wYoGA08xgXHbcagZZnJd"},{"type":"paragraph","children":[{"type":"external_link","attrs":{"url":"https://www.bilibili.com/video/BV1pL4y1x7mH/?spm_id_from=333.337.search-card.all.click"},"children":[{"type":"text","text":"https://www.bilibili.com/video/BV1pL4y1x7mH/?spm_id_from=333.337.search-card.all.click","id":""}],"text":"","id":""}],"text":"","id":"LEQWdc6ysokouIxuNpqcvdRvnY0"},{"type":"heading","attrs":{"level":1},"children":[{"type":"text","text":"剪辑手法技巧","id":""}],"text":"","id":"E2KMdyOqmoUasox2PPocZ9cInmc"},{"type":"paragraph","children":[{"type":"text","text":"熟练运用剪辑手法可以最大限度的让整个视频展现在观众的眼前,因此学会有技巧的运用剪辑方法十分重要。","id":""}],"text":"","id"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Crate","id":""}],"text":"","id":"Pwm8dyeESoAwAYx6LqNcQ7Dfn3c"},{"type":"paragraph","children":[{"type":"text","text":"网址:","id":""},{"type":"external_link","attrs":{"url":"https://mazwai.com/"},"children":[{"type":"text","text":"https://mazwai.com/","id":""}],"text":"","id":""}],"text":"","id":"AASWd0wCuoWKooxs5gzcVkQHnTg"},{"type":"paragraph","children":[{"type":"text","text":"该网站提供的免费音视频素材,并且也提供一些制作教程。","id":""}],"text":"","id":"FqWQdQs2aoQe6KxkANccxgmKnrb"},{"type":"image","attrs":{"height":762,"note":[{"type":"text","text":"剪辑素材网站","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/7797a09aebc647e49841e47d0f71e934","width":1366},"text":"","id":"Mywsdy6Ogo8sEwxYPt0ca3K7nGc"},{"type":"paragraph","children":[{"type":"text","text":"3、Life of Vids","id":""}],"text":"","id":"EAUedCM8goIceSxKlIKcQKx1n5S"},{"type":"paragraph","children":[{"type":"text","text":"网址:","id":""},{"type":"external_link","attrs":{"url":"https://www.lifeofvids.com/"},"children":[{"type":"text","text":"https://www.lifeofvids.com/","id":""}],"text":"","id":""}],"text":"","id":"AcySdEkoUoKWwSxYZZ6cNlttnZd"},{"type":"paragraph","children":[{"type":"text","text":"提供时长为30秒左右的片段,大多设计师和工程师这个网站。","id":""}],"text":"","id":"DoEOdeg4uoU02cxfIUzcXDrvnuP"},{"type":"image","attrs":{"height":859,"note":[{"type":"text","text":"剪辑素材网站","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/3aeb535586b045be9c435911dcf53051","width":1785},"text":"","id":"GYsYdUUs8oKg8Mxmy3FclY3lnQe"},{"type":"paragraph","children":[{"type":"text","text":"4、Stockio","id":""}],"text":"","id":"Gm4Sdqc6SoAmiix89ftck7wXnIh"},{"type":"paragraph","children":[{"type":"text","text":"网址:","id":""},{"type":"external_link","attrs":{"url":"https://www.stockio.com/"},"children":[{"type":"text","text":"https://www.stockio.com/","id":""}],"text":"","id":""}],"text":"","id":"EwQ4dQo0GoOKCyxABBKcccR0nDe"},{"type":"paragraph","children":[{"type":"text","text":"提供非常多的免费图片和视频素材资源网站。","id":""}],"text":"","id":"ZSwQdKicUoyIqYx2pwLc32eznbe"}]%3C%2Fhowto_content%3E

热水器维修教程?

热水器已成为生活中重要的一部分,给人们的生活带来极大的方便。但由于元器件自然老化、操作者的熟练程度、工作环境和工作强度等诸多因素常引发各类故障。接下来就为大家介绍如何维修热水器的问题。

电热水器

工作原理

电热水器具有结构简单、价格低、热效率高、无污染、使用方便等优点,使用寿命一般为15年左右,主要有贮水式和速热式两种。由于速热式电热水器功率高达3kW以上,且易漏电,很少有人问津;贮水式一般功率在1~2kW之间,安全方便,受到消费者喜爱。

一、贮水式电热水器

贮水式电热水器一般由箱体系统、制热系统、控制系统和进出水系统四大部分组成。下面为部分国产名牌电热水器的结构示意图。

1、箱体系统

箱体系统由外壳、内胆、保温层等构成,起到贮水保温的作用。

(1)外壳

外壳是电热水器的基本骨架,大部分部件都安装或固定在上面,所用材料有塑料、彩板、冷轧板、喷粉等几种。

(2)内胆

内胆既是盛水的容器,又是对外加热的场所,其寿命决定于内胆的材料和制造工艺。常见内胆材料有镀锌铁板、不锈钢板和钢板内涂搪瓷三种。

(3)阳级棒

贮水式电热水器中的阳极棒是一根金属镁棒,主要用来保护金属水箱不被腐蚀和阻止水垢的形成。

(4)保温层

外壳与内胆之间的保温层,起减少热损失的作用,一般采用聚氨酯发泡、玻璃棉、石棉、纤维、毡和软木等。为增强保温效果,现多采用高密度聚氨酯发泡材料充填的新工艺,充填扎实,密封保温性好,即使12h不通电,水温也仅下降2℃左右。

(5)炉膛

炉膛用于安装加热体和限温器,是由炉膛底盘、炉膛管、炉膛帽、温控管、螺孔柱焊接而成。螺孔柱经钻孔攻螺纹,用于安装镁棒。

2、制热系统

电热水器采用的电热元件多采用管状结构,为提高热效率,直接放在水中加热,形状可根据内胆结构弯成U形或其他形状,金属护套管常见为不锈钢管或铜管。电加热管在通电后,其内部高电阻电热合金丝发热,通过金属管内的绝缘填充料导热至金属套管,起加热作用。

电加热管使用时间一长,在电加热管表面容易结污垢,不仅影响发热效果,而且会产生漏电现象。为此海尔、小鸭、东宝等厂家,将热水器部分产品的电热元件改为高压耐热的陶瓷发热器,如图所示。间接加热内胆中的水(通电后,首先预热周围的空气,然后通过钢板对水加热),使水电分离,不仅无漏电之忧,且可超快速加热。

3、控制系统

电热水器的控制系统主要包括温控器和漏电保护器。

(1)温控器

电热水器中使用的温控器主要有双金属片温控器、蒸气压力式温控器和电子温控器。

(2)漏电保护器

在电热水器的漏电保护器中、将15mA确定为危险电流,超过这一数值时漏电保护器动作,正常的动作范围为15~30mA。

海尔电热水器选用的是进口漏电保护器,动作值为15mA,动作时间为0.1s。小鸭等品牌电热水器电源线带有先进的电子控制漏电保护插头,其技术参数为:额定电压220V(5OHz),额定电流10A,漏电动作范围5~10mA,漏电动作时间≤50ms,最大分断能力300A,最大负载功率2200W。

4、进、出水系统

进、出水系统由进、出水管,混合阀、安全阀和淋浴喷头等组成。

(1)混合阀

混合阀的结构如图所示。由图可知,热水器内胆出水管、混合阀、喷头和大气相通,不受混合阀冷、热阀门控制胆内压力,故称为出口敞开式。

单独打开右侧红点热水旋阀,自来水经出水管、混合阀、喷头流出,出热水,出水压力由热水阀控制;单独打开左侧蓝点冷水旋阀,自来水直接经混合阀由喷头流出冷水,出水压力由冷水阀控制。当同时打开冷热水阀门时,冷水和热水在混合阀出水口混合,适当调节冷热水阀门大小,可得到所需水温。

(2)安全阀

在自来水压力突然增高或加热水温过热,造成内胆压力超过规定耐压值时,安全阀会自动排压,以保护内胆。在加热过程中,安全阀会有缓慢的滴水现象,不是故障,是一种正常现象。

5、工作原理

贮水式电热水器的加热分单加热器加热和双加热器加热两种。前者,--般用在容积不太大的热水器中;后者、往往用于容积较大的热水器中。

二、速热式电热水器

快速热水器一般在接通电源、开启水阀后,仅需十几秒就会有充足的热水源源流出,因此也称流动式或即热式电热水器。

1、基本结构

快速热水器主要由外壳、内腔、电热元件、压力开关和温度控制等部分组成。

2、工作原理

(1)腔体式

打开进水阀门,水流入腔体。当水充满腔体后,在水压和重力作用下,使橡皮膜下凹,从而带动通过膜片中心的通水管子上端,使触点闭合接通电源,这样电阻丝通电发热,被加热的水沿通水管上开有的小孔流入管内,再经过莲蓬头喷射出来,供人们使用。当停止进水时,靠橡皮膜弹力恢复使触头断开,从而切断电源。

(2)水槽式

在未接通水源时,压力开关处于常态(触点断开),微动开关s不动作,从而继电器线圈不通电,这时整机不工作。接通水源后,因水压升高,这时压力开关触点动作,继电器KA吸合,主电路触点闭合,指示灯HL点亮,这时只要将转换开关(功率调节器)根据需要调节在适当位置,电热元件即可工作,就会有热水从莲蓬头中源源不断流出。

常见故障分析

一、电热水器检修工艺

下面以海尔电热水器为例,对电热水器的检修工艺过程介绍如下:

1、电源检查

用万用表交流电压档(~500V档)测量插座零线和火线,零线和地线是否接通,若不通为正常;反之,则电源不能使用,应修复。

(万用表使用方法图解)

2、故障检修程序

接通电源,可能出现两种情况:指示灯亮或指示灯不亮。

(1)指示灯亮:待半小时左右,水温升高10℃左右,说明热水器正常;若水温不升高,由灯亮可知,漏电保护器、超温管均正常,故障在加热器。断电后,检测加热元件,若电阻为无穷大,应更换。

(2)指示灯不亮:若灯坏应更换;灯好时,应检查温控器、超温管、加热器和漏电保护器以确定故障所在。

①对可调温型温控器,用万用表R×1档测量,在关断位置电阻为无穷大;在不同温度控制点应有不同电阻值与之对应;温控器在未动作时,触点为闭合状态,电阻近似为0,否则说明温控器损坏,应更换。

(万用表测量温控器图解)

②超温管在正常状态下,电阻为0,否则已损坏,应更换。

③用万用表检测加热器,电阻约24~48Ω,若为无穷大时,应更换加热元件。

④检查漏电保护器,应将漏电保护器打到合闸位置,灯亮,水温升高为正常;有时漏电保护器误动作,应注意观察,找出误动作原因。

(漏电保护器“合闸”状态)

若漏电保护器合不上闸,应用万用表R×100档依次检测超温管、温控器和加热器的对地电阻,表针指向∞位置为正常,表针指向0为漏电,找出漏电元件进行更换,若无漏电元件,说明漏电保护器已损坏,更换新的。

(漏电保护器“跳闸”状态)

3、安全性能测试

(1)漏电测试:重新合闸,按“试验”按钮应跳闸,漏电保护器为正常,再“合闸”灯亮。若热水器无漏电保护器,用万用表电阻档测量插头的火线与地线、零线和地线,若指示为无穷大,说明无漏电现象。

(2)泄漏电流测试:泄漏电流不应超过规定的数值,海尔小海象为0.5mA/kW,大海象、金海象为0.3mA/kW,

(3)绝缘电阻用兆欧表测量应大于50MΩ。

(4)电源的接地端与电热水器易触及金属部件之间的接地电阻应小于0.1Ω。

安全性能测试合格后,才能按工艺要求将电热水器重新安装好,投入使用。

二、电热水器常见故障分析

1、出水不热

(1)冷热水调节不当:这是由于热水阀开得太小,冷水阀开得太大造成的。应适当调节冷热水阀的开度,使出水温度适合使用。

(2)电源未接通:调整电源插头或开关,使其接触良好。若采用的是漏电保护插头,应将其“复位按钮”按下,排除以上故障若仍不能接通电源,应拆开电热水器仔细检查回路是否有导线脱落、断开等情况,若有,应及时排除。

(3)电加热器损坏:用万用表电阻档测量电热元件电阻值,正常情况下,1kW电热水器,电阻为49Ω左右;3kW,16Ω左右。功率不同的电热水器,其电热元件的阻值不同。若电阻为无穷大,说明电热元件损坏,应予更换。

(4)温控器损坏:当温控器触头接触不良或感温体内感温剂泄漏时,可引起温控器不能正常工作。对于前者可拆开压力式温控器进行修复;对于后者只好更换新的压力式温控器。

2、出水温度太高

(1)冷热水调节不当:适当调节冷热水阀的开度。

(2)温控器旋钮调节不当或触点粘连:将温控器旋钮调至温度较低处;对触点粘连的,可将温控器拆开,将粘连触点分开,并对触点进行研修、调整,经调整后,一般即可使用,必要时可进行更换。

(3)限温器失灵:检修限温器。

3、漏水

(1)管道连接处漏水:对接口密封不好造成的漏水,应重新安装接口;若属自来水压太高,应在自来水道上设置减压阀。

(2)安全阀接口漏水:是由于安全阀松扣或密封不好造成的,应重新拧紧和密封。

4、出水带电

(1)出水口接地失效:重新接好接地线,保证接地电阻小于0.1Ω。

(2)水中分布电流大:用细钢丝编织成网,包在出水口上,并与接地线良好接触。

(3)电热元件绝缘损坏或失效:更换电热元件,更换时要保持电气接触良好,有关密封部分不漏水。

(4)内部导线绝缘层损坏,搭接在外壳或内胆上:拆开电热水器,检查出导线绝缘层损坏的部分,进行更换。

5、进水困难

(1)脏堵:主要是由于自来水水质不好,杂质超量,堵住进水口的逆止阀。设有进水滤网的热水器大都是滤网孔被堵。在确定水压正常后,关闭自来水供水总阀,清理管路,冲出胜物或清洗滤网。

(2)汽堵:常见于密闭水箱贮水式电热水器中。其特征是:热水阀打开后,喷出大量水蒸气,此时应将调温器调到最小位置或切断电源,先将蒸汽从热水阀排出,然后打开冷水进水阀,使热水器排水,降低水温,再检修温控器;若热水阀打开后,热汽断续流出,量很小,一般是脏堵造成的。此时应开大热水阀和冷水进水阀,以降低水温,待水温降低后,检查热水阀是否脏堵,洗净后冷水便会从热水阀流出。

(3)供水压力不正常:当供水管路因水压下降,供水压力低于贮水压力,逆止阀不能被顶开,会造成进水困难。这种故障,待水压正常后,故障即自行消失。

保养

使用一段时间后,应取下喷头,按安装方法进行冲洗。长期使用后,若升温慢,应检查电热元件是否结垢,若结垢,可用去垢剂清除水垢。

若漏水,应更换相应的橡胶密封圈。

若加热时蒸汽冒出,则表明恒温器失效。或感温头脱出,应关闭电路,经检查修复后再用。

加热时因水的膨胀,喷头有时会有少量热水溢出,这属正常现象,不必过分用力拧紧热水阀,以免加速损坏密封圈。

自来水阀可使用不带手轮的阀门或者安装好后取下手轮,以防误关此阀,导致水箱缺水而烧毁电热丝。

燃气热水器

结构

目前,家用快速燃气热水器常见为壁挂式,适合淋浴使用,主要由水路系统、燃气系统、热交换系统、排烟系统和安全装置五大部分组成。其结构示意图如下所示。

(1)水路系统主要包括进水阀、水膜阀等,其中水膜阀是关键部件,起控制水气联动装置的作用,当水源切断后立即切断燃气;水阀是控制冷水进入热水器流量大小的装置,水阀燃烧器在同样工作状态下,流量大的,输出热水温较低,反之则水温升高。

(2)燃气系统主要包括燃气调节阀、水气联动阀、常明火、主燃烧器。其中主燃烧器是热水器供热的主要部件;水气联动阀是由水流的压力差控制气阀的开启以防止空烧。燃气调节阀可调节进入主燃烧器气量,以达到调节水温的目的。

(3)热交换系统主要包括腔体、集热片和弯管。

(4)排烟系统包括热水器外壳、排气烟管和排烟口等。燃烧后的烟气,须经过排烟系统排出。

(5)安全装置主要包括由热电偶和电磁阀组成的熄火保护、缺氧保护、水气联动阀防止空烧、排水阀防止过水压和冻裂。

下面重点介绍燃气热水器主要部件结构原理。

一、点火装置

点火装置的作用是点燃小火(常明火)并保持其燃烧。当按下点火按钮时,小火管有燃气流出,此时点火器工作,点燃旁边的小火。燃气热水器的点火方式主要有压电陶瓷点火和电脉冲点火两种。

二、水气联动阀

水气联动阀是保证燃气热水器安全使用的重要部件,其主要作用是:当水压足够,水在热交换器中流动时,燃气才能进入主燃烧器进行燃烧;而当水流停止或压力不足时,自动切断燃气供给,以防因缺水面燃坏热水器。

三、燃烧器

1、常明火为点燃主燃烧器作准备,常明火有单独的燃气通路。同时常明火加热熄火保护装置中的热电偶,使电磁阀开闭燃气阀门。当由热电偶或双金属片构成的熄火保护装置一旦检测到常明小火熄灭,熄火保护装置将自动切断气源。

常明火点火管一般用铜管或不锈钢制成,为保证燃烧的稳定,大多采用大气式燃烧方式,即燃烧前预混一部分空气,由于这种燃烧方式火焰短而稳定,用它加热热电偶或热双金属片时,热量集中,不易产生误动作。

2、主燃烧器是燃气热水器提供热源的主要部件,热负荷较大,火力强而且集中,火焰高度实短不宜长,一般采用大气式燃烧器来满足要求,而且大多不设一次调节装置。

四、热交换器

燃气热水器的热交换器主要有两种类型,板管式和翅片管式。由不锈钢或导热性良好的紫铜片、紫铜管制成。

五、熄火保护装置

熄火保护装置的主要功能,是在燃气热水器的点火燃烧器(又称常明火)因故熄火后,在数密封秒钟后能自动动作,关闭燃气阀门。有机械和电磁两种结构形式,分别称为双金属片和热电偶熄火保护装置。

六、缺氧保护装置

此装置上有两只热电偶,正向热电偶与熄火安全装置热电偶基本相同(参数为:25℃内阻为(8.8±2)MΩ,700℃热电势20mV);反向热电偶由两根裸露电偶丝组成,材质与正向热电偶相同,但它的工作温度较低,氧化作用不很明显,它的安装位置是保证热电偶正常工作的重要条件(参数为:25℃内阻18±2MΩ,700℃热电势6mV)。

在使用过程中,周围环境氧气含量不足或换热器栅板阻塞时,会造成燃烧器不完全燃烧,这时燃烧器火焰拉长,火焰温度降低,两只热电偶产生的电势差较少,当环境氧气含量低于18%时,此装置动作,关闭燃气气路,避免造成二氧化碳中毒事故,此装置使用寿命大于6000h,使用次数大于100000次。

七、防空烧(过热)安全装置

此装置所用传感器为正温度系数的热敏电阻。当燃气热水器出现空烧时,因热敏电阻此时已呈“高阻”状态,使通过电磁阀电流很小,在弹簧力作用下,铁心与衔铁分离,关闭燃气气路。

八、电磁阀

在燃气热水器安全装置中,燃气气路的通、断是由电磁阀控制的。

九、水温调节装置

调温轴(水阀芯)的控制原理是通过调节水量增减,来达到调节水温目的。例如,欲提高淋浴水温时,将调温轴调向“高温”位置,实际上是关小水阀芯的开启度,使进水量减少,则出口的温度则会增加。

十、燃气泄漏报警装置

当燃气热水器或配套设备发生燃气泄漏时,通过气敏传感器检测出一定浓度的燃气,发出声光报警信号,提醒用户排除故障或停止使用,避免造成火灾或中毒事故。先进的泄漏报警装置,在报警的同时自动开启风机通风换气,迅速排除室内燃气,防止事故的发生和扩大。

工作原理

打开燃气气阀,燃气进人阀门内,按动点火按键,点火微动开关、快速微动开关启动,点火头产生连续电火花,电磁阀线圈强行通人吸合电流,由气阀杆推动,电磁阀被吸住,气路打开,燃气从点火燃烧器和长明火燃烧器流出,被点火器的连续火花点燃,经常明火火焰加热的熄火保护装置的热电偶产生热电势,在强制吸合电流断开时,保持电磁阀处于吸合状态。点火键复位,并关闭与点火键连动的点火器阀门,此时点火器的火焰熄灭,仅保留常明火焰,这样,燃气到达水气连动阀的气阀前面。

打开水龙头,冷水进入水气连动阀的水阀内,经调温旋钮进入热交换器,同时有一部分水从调温旋钮分流,进人混合管,因水气连动阀内的膜片受水压作用,推开水气连动阀的气阀。燃气经燃气调节阀、燃烧器调节旋钮,从主燃烧器流出,被常明火点燃。流向热交换器的水,被主燃烧器的火焰加热成热水,经混合水管的冷水混合,就可从供热水龙头流出适合使用的热水。

当关闭出水口时,水气连动阀内的压差消失,从而关闭了水气连动阀的气阀,主燃烧器的火焰熄灭,热水停止流出,按下熄火键,点火键复位,关闭主气阀,常明火熄灭。此时熄火安全装置的热电偶的热电势下降,电磁阀关闭。

下图为沈乐满牌SR-5型后制式燃气热水器电气原理图,供参考。

故障检修

一、常见故障分析

1、打不着火或打火困难

(1)刚打开气源时,由于气管内空气尚未排空,短时间内难以打火,只要多打几次,让气管内的空气排空后,便能成功点火。

(2)喷嘴堵塞:在打火时有火星,而无法点燃火种,表明喷嘴有堵塞,此时只要将喷嘴进行清理即可。

(3)点火针破裂或松动:多数热水器点火针绝缘体是用陶瓷制作的,若陶瓷破裂或点火针松动,就会造成没有对着火种进行点火,打不着火。此时应更换点火针或对点火针进行调整位置。

(4)压电陶瓷失效手动式热水器一般是采用压电陶瓷点火,若点火时无点火火花,通常是压电陶瓷损坏造成的,应及时进行更换。

(5)水动式热水器电磁阀损坏,点火时,有火星而点不着火,此时先检查电磁阀接线是否良好,若未发现接线不良,应更换电磁阀。

(6)水动式热水器点火时无火星此时按顺序检查电池是否有电或装反,电池盒是否有接触不良,微动开关是否损坏,电脉冲发生器和接线是否有故障。排除故障后即可点火。

2、中途燎火

(1)热电偶与电磁阀接触不良或失效:若在热水器使用过程中,偶然中途熄火,说明热电偶与电磁阀接触不良,此时应紧固两者的联接螺母;当热水器打火后,中途熄火的时间都较接近时,表明热电偶已开始失效,应尽早更换。当热水器每次中途熄火的时间不规则时,表明火种与热电偶的位置不太准确,应调整。

(2)燃气气压不稳定:适当调整气源压力或清洗火种喷嘴。

(3〉保护装置动作:当直排式热水器使用时间过长,且室内换气较差时,或热交换器(水箱)长期没有清洗而造成严重积炭,保护装置便会自动关闭气源,导致熄火。对于前者,需打开门窗,使室内空气流通,对于后者需定期(每年1~2次)清洗热交换器。

(4)水动式热水器离子感应针被污染:若每次使用时,都要打2~3次火,应对感应针进行清洗,若经清洗,还有同样的问题出现,说明感应针的材质或电子点火器质量不良,应及时更换。

3、漏气

漏气主要是由于密封用的密封圈破损老化或配合不严造成的。

(1)进水接头安装不良而漏气:重新安装平面胶圈,上紧并紧固气接头。

(2)气阀体上联接面漏气:更换密封胶圈。

(3)气阀芯上的润滑脂干而漏气:清洗气阀芯,重新均匀涂上润滑脂(二硫化钼),以确保气阀芯不再漏气。

4、漏水

(1)防冻排水阀经多次拆装,密封胶圈裂损造成的漏水,应更换胶圈,并注意平日装拆不应用力过大。

(2)水阀芯胶圈因长期使用磨损严重造成的漏水,只要更换胶圈便可正常使用。

(3)水阀顶轴胶圈处比较容易漏水,若是水动式热水器,水会直接流到微动开关处造成打不着火,因此胶圈磨损,应及时更换。

(4)连接热水器的冷、热水软管和淋浴器的漏水,较易发现,经简单维修或更换便能使用。

(5)供水压力过高,可更换高压热水器或在进水阀前加装节流阀。

(6)热水器“空烧”造成漏水。这时,关闭热水器水阀时,主燃烧器不熄灭,造成“空烧”或回火,易烧化焊锡,严重时烧穿紫铜管,造成漏水,此故障应更换热盘管。

5、产生红火或冒黑烟

(1)燃烧器内存污物:将细铁丝尖部弯曲,从引射口处插入燃烧器内,反复旋转,进行清理。也可将燃烧器拆下来,用水冲浇。

(2)燃气压力不足:应设法提高其供气压力。另外,有时因天气潮湿,也会产生红火,待天气好转时又恢复正常。

(3)气路不畅造成缺氧:清理气路中的异物,并开机(换气扇、排风扇、开窗等)通风。

6、出水温度过低

(1)供气压力不足:这是造成出水温度过低的主要原因,应调整减压阀。若是管道燃气,可通知供气部门调整;若是热水器流量大,使供气管或煤气表负荷满足不了热水器的耗气量,应更换较大的煤气表或更换流量较小的热水器。

(2)喷嘴堵塞造成火焰变小:清理喷嘴。

(3)水阀橡胶膜有小的破裂:使水气联动阀门开度不足,造成燃烧火力不强,出水温度过低。应更换橡胶膜。

(4)部分地区水压较大,使水流经热交换器时间较短,出水温度过低,应适当调小水量。

7、火种留不住

(1)火种供气管堵塞:当点燃火种时,手松开也不见火种,尔后能听到电磁阀释放声,说明火种供气管堵塞,对此可进行疏通。

(2)热电偶或电磁阀损坏:检查时,按下点火按钮,不见火种,也听不到电磁阀动作声,说明热电偶或电磁阀损坏。电磁阀的损坏一般是线圈断路,可用万用表检查。若电阻为无穷大,对此可进行更换;对热电偶应检查连接导线有无断路,再检查热电偶是否移位,并擦净表面氧化物;最后检查热电偶是否失效,方法是:将热电偶从固定夹中卸出悬空,用万用表pA档串入,用打火机给热电偶加热,15s后若电流很小(接近为0),说明热电偶失效,应更换。

(3)热电偶性能变差:点火按钮松开后有火种,但不久会自动熄灭,是因热电偶性能变差引起的,这时可将热电偶调到最佳受热位置,一般就可排除,必要时,更换热电偶。

8、主燃烧器不能点燃

(1)水压不足:引起水压不足的原因,一是当地水压不足,二是杂物堵塞水道。对于后者可清理过滤网内的杂质。

(2)主燃烧器的燃气管道被堵塞:进行疏通。

(3)水气联动阀的隔膜室隔膜穿孔:隔膜穿孔后,无法推动顶杆打开主燃烧器的燃气阀塞。修理时,拆开阀体,拆下膜片上的铜螺栓和垫片,更换同规格的新隔膜。

(4)水气联动阀的铜顶杆长期与水、燃气接触,造成氧化折断:更换新配件,也可用不锈钢材料按同样规格制成顶杆进行更换。

(5)隔膜室螺钉松动:松动后,造成隔膜室漏水,水压下降,顶杆无法打开燃气阀塞,对此可紧固隔膜室螺钉。效果不好时,可拆开隔膜室,在接合面周围涂上一层粘补胶,然后再紧固螺钉,干燥固化后即可使用。

(6)隔膜室中的压差平衡弹簧折断:更换新配件。

9、随着“叭”的一声响,全机熄灭

(1)点燃正常10s后出现声响和熄灭﹑这多是热电偶损坏造成的。检查时,用气体打火机燃烧热电偶尖端,用万用mV档测量两端电压,正常为20mV左右,若为0,说明热电偶损坏,应更换。

(2)正常使用10min后,出现声响和熄灭,这多是缺氧造成的,应及时补充新鲜空气。

10、关闭热水阀后,主燃烧器熄火

(1)燃气阀塞被水气连动阀顶杆卡住,打开水气连动阀,清理阀内顶杆表面的水锈,涂上润滑油,重新装好。

(2)压差平衡器的眼孔被管道内异物堵塞拆开阀壳,疏通眼孔。

11、热水水流不畅、水温偏高

(1)水温调节旋钮使用不当:检查水温旋钮是否置于需要的位置上,位置有误时,应予纠正(温度“最高”为水流最小,温度“最低”为水流最大)。

(2)水温调节失控:若是旋钮错位引起阀芯开度和指示温度不一致,应及时调整,必要时更换滑牙的旋钮;水温控制阀阀杆和阀芯密封件老化损坏时,会引起水流不畅,应更换密封件。

12、炮火保护装置失灵

(1)热电偶的探头和点火燃烧器的位置不当:调整时,可稍松一下固定热电偶探头的螺钉,将探头移至点火燃烧温度较高的位置,进行反复点火试验,直至电磁阀吸合,再将紧固螺钉拧紧。

(2)热电偶与电磁阀之间的连接螺母松动:将松动的螺母拧紧即可。

(3)热电偶损坏:若热电偶断线或发生在热点上的短路,一般是无法修复的,应进行更换。方法是:拧开与电磁阀连接的螺母,并松开探头在点火燃烧器旁的螺钉,拆下热电偶。更换新热电偶时,先将它与电磁阀连接的螺母拧紧,再将偶线弯成需要的形状.将探头固定在点火燃烧器附近温度较高的位置,装好后进行点火试验,确认电磁阀动作后,再进一步拧紧螺钉、螺母。

(4)电磁阀吸合电流变大:这多是由于衔铁极面被气源腐蚀和污染造成的。电磁阀吸合时间,刚出厂时,5s即可吸合。使用中的燃气热水器,电磁阀若在点火后30s还不吸合,就应进行去污或更换处理。

(5)电磁阀线圈断、短路或衔铁移位:这类故障,一般很难修复,应更换同型号电磁阀,更换方法见前。

13、调节水温的方法

(1)调节进气阀控制燃气进量,可调节水温。

(2)调节水温调节器,可控制出水温度。

(3)调节自来水阀控制最大水流量,可调节最低温度。

(4)水气连动阀还有自动控温的作用。

14、水垢的清除方法

水垢产生后,会使热水器热效率降低,同时还会使热水器管径变小,热水产率下降,水温过高,甚至会产生局部堵塞。为此应一年左右清洗一次,清洗的方法很多,下面仅介绍一种简单实用的方法。

(1)买一袋铝壶―次清除水垢剂,将其倒人约1.2L饮料瓶中,并加人约1L温水,搅拌均匀。

(2〉按图所示连接好。打开水温开关,用手挤压饮料瓶,待除垢液进入热水器,并从进水管流出时,关闭水温开关。

(3)点燃热水器常明小火,对除垢液加温,待10~15min后,关闭常明小火,打开水温开关,将饮料瓶中剩下的除垢液全部流入热水器并从进水口排出(可重复几次)。

(4)卸下饮料瓶,接好进水管,打开冷水阀门,用清水将热水器管道内残余的水垢及除垢液冲洗干净即可。

15、水动式热水器有水流出,但不点火

水动式热水器是在打开进水阀门或热水阀门时,热水器便会自动点火,数秒钟后便有热水产生。当有水流而不点火时,其故障原因是多种多样的,可以按以下步骤进行检查并排除故障。

(1)打开水源开关,查看指示灯是否有亮,如果红色亮,表明电池已达到无电状态,需更换电池;如果绿色亮,但无“嗒,嗒,嗒”响声及点火火花,表明点火器高压包烧毁或高压线脱落,应重新连接高压线或更换点火器;如果指示灯不亮又无点火火花出现、应检查有没有安装电池或电池是否装反,如果电池安装正常,则需检查电源连线是否可靠,发现情况应及时排除。

(2)当所有电导线未发现异常时,先检查微动开关〈有的热水器用水动磁控开关),用手按动微动开关或直接用导线(或旋具)进行短路连接,此时如果有点火动作,则证明是微动开关故障或开关拨片位置不对,应予以更换或调整。如果按动或短路微动开关,均无点火动作,则是点火器的故障,需更换点火器。

(3)当打开水源开关后有点火火花而没有着火时,应先检查点火针位置是否对准燃烧器,然后再检查电磁阀的连线连接是否良好,同时可根据该热水器的用电池情况,对电磁阀接入3V(或1.5V)的直流电压,查看燃烧器是否着火,如有着火,则表明点火器输出电流不足,需更换;如未有着火,则表明电磁阀有故障,也需更换。

(4)如果上述几种方法都无法查出原因时,就要检查其他的安全保护装置,例如,过热保护装置是否熔断或开路;防止不完全燃烧装置的热电偶是否反接或开路;水气联动装置是否活动自如(反复开、关水源、微动开关拨片应左右移动,如果不动作则是水阀膜片穿孔或联动杆卡死等)。

(5)在各项检查前应先检查气源是否开启,连接气源的气管是否折叠或太长,如果气管太长,应先多点火几次,让气管内的空气排空后,方可点火成功。

16、开水不着火或低温时熄火

(1)水压偏低因水压低,而无法打开水气联动阀,燃气就无法出来被点燃。

(2)水阀的橡胶薄膜破损、变形或偏心更换橡胶薄膜。

(3)进水管滤网堵塞、淋浴喷头堵塞以及水阀内的文氏管松动︰平时必须经常清理。使热水器保持较佳使用状态。

17、开水熄火或未开水着火

(1)冷热水阀门漏水或关闭不严,使热水器内有一定水压,打开水气联动阀而造成此故障更换或关严冷、热水阀门。

(2)水气联动阀内顶杆被卡死,或长期停用顶杆被粘着,胶圈变形造成顶杆运动缓慢而不熄火拆下顶杆清洗,并加润滑油。

(3)水气联动阀的气阀门弹簧器日久弹力不足更换弹簧。

(4)水阀进水管因无滤网,造成杂质卡死水阀顶轴而不炮火﹑先清洗干净水阀内部,再在进水管补加滤网,以保证水质干净。

二、故障代码与解决方案

现在很多产品都自带有自检功能,会根据提示告诉你产品出现了什么问题,让用户能快速找到问题,并且解决问题,相当的智能化人性化。

保养

一、使用时应经常检查常明火是否正常工作,有无阻塞;如火焰微弱,应立即关闭燃气气源开关,待清除垢物后,再行点燃。

二、热水器使用一段时间(一般为半年左右)后,应对水管、燃气管、容积式热水器的水箱等进行除垢,以防过滤网(见下图)被堵。水箱有沉积物,会影响热水器的正常使用。

三、每隔数月,应清除热水器排气口、进气排气筒、热交换器及周围积炭和灰垢。如果发现大量积炭或有许多阻塞物时,可将热水器卸下,倒过来轻轻清除,也可用自来水冲洗,冲洗时严禁将水溅到燃烧器喷嘴和常明火上,待干燥后再安装使用。

四、一般情况下,热水器使用一年后,应对其做一次全面检查,查清供气和供水系统的各个装置是否完好、正常,有无漏气、漏水等异常现象。

五、如使用的水质较硬,应在热水器的前端装配一水质软化装置,并及时清除热交换盘管(即蛇形管)或水箱的水垢。

六、经常擦试外壳。

太阳能热水器

结构原理

太阳能热水器一般由集热器、贮热装置、循环管路、辅助装置及淋浴喷头等部分组成。

一、集热器

集热器是太阳能热水器的关键部件,其性能好坏,对热水器的性能起着决定性的作用。按收集太阳能的不同原理,可分为平板型集热器和聚光型集热器两种。聚光型集热器只能聚集太阳的直射辐射能,需要对太阳进行跟踪,增加了装置成本,只有在需要附到较高温度等特殊场合使用;平板型集热器是目前应用较广泛的一种,它不仅能吸收太阳的直射辐射,还可以收集太刚的散射辐射。

二、贮热装置

贮热装置通常作为短期贮存热水、减少热损失的容器,贮热效果主要取决于装置保温性能的好坏。

三、循环管路

循环管路的作用是连通集热器、贮热水箱,形成一个完整的循环加热系统。

四、辅助装置

辅助装置的作用是使整个热水器装置能正常工作,并通过仪表加以显示。辅助装置包括水位显示装置、温度显示装置、循环泵、控制系统及辅助热源等。

故障检修

一、太阳能热水器的常见故障及排除方法见下表。

二、故障代码与解决方案

保养

必须经常保持集热器上盖的清洁;要防止空晒;使用一定时间后,应进行清洁处理,排除沉积的污垢;冬季停用时,必须将集热器及管道中的水排净,以防冻裂。

以上就是对热水器如何维修问题的介绍,希望能对您有所帮助!

%3Chowto_content%3E[{"type":"paragraph","attrs":{"is_abstract":true},"children":[{"type":"text","text":"热水器已成为生活中重要的一部分,给人们的生活带来极大的方便。但由于元器件自然老化、操作者的熟练程度、工作环境和工作强度等诸多因素常引发各类故障。接下来就为大家介绍如何维修热水器的问题。","id":""}],"text":"","id":"TOoMdgI2YoYWSexY7dVcZ2pMnDd"},{"type":"heading","attrs":{"level":1},"children":[{"type":"text","text":"电热水器","id":""}],"text":"","id":"UWYwdY2W6ouAUKxOM9McpuPzneg"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"工作原理","id":""}],"text":"","id":"KygedMsoWoOKu6x4dTRcL1OenQf"},{"type":"paragraph","children":[{"type":"text","text":"电热水器具有结构简单、价格低、热效率高、无污染、使用方便等优点,使用寿命一般为15年左右,主要有贮水式和速热式两种。由于速热式电热水器功率高达3kW以上,且易漏电,很少有人问津;贮水式一般功率在1~2kW之间,安全方便,受到消费者喜爱。","id":""}],"text":"","id":"Ee2WdOOIcoMkMwxC0wkctSSEnMc"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"一、贮水式电热水器","id":""}],"text":"","id":"GoEkdemA8ocwCSxl8dwcMZCjnbW"},{"type":"paragraph","children":[{"type":"text","text":"贮水式电热水器一般由箱体系统、制热系统、控制系统和进出水系统四大部分组成。下面为部分国产名牌电热水器的结构示意图。","id":""}],"text":"","id":"GkCcdGS2goU480xczSccDttDnTf"},{"type":"image","attrs":{"height":485,"note":[{"type":"text","text":"工作原理","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/1ed7f139bafc4003b23a89038aa95292","width":692},"text":"","id":"GMuEdek0Io6GIAxyk5fcJcirnBh"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"1","id":""},{"type":"text","marks":[{"type":"strong"}],"text":"、箱体系统","id":""}],"text":"","id":"EmSodaAs8oQwsCxm4VtcHuyGnMc"},{"type":"paragraph","children":[{"type":"text","text":"箱体系统由外壳、内胆、保温层等构成,起到贮水保温的作用。","id":""}],"text":"","id":"XKUAdWCA4oEOesx0cKccGcX2nDf"},{"type":"paragraph","children":[{"type":"text","text":"(1)外壳","id":""}],"text":"","id":"PgCUdIyWwoy2MsxgjB3cgHIxn6c"},{"type":"paragraph","children":[{"type":"text","text":"外壳是电热水器的基本骨架,大部分部件都安装或固定在上面,所用材料有塑料、彩板、冷轧板、喷粉等几种。","id":""}],"text":"","id":"ZQScdAQSmoCkwkxYTK5cEPeSnUg"},{"type":"paragraph","children":[{"type":"text","text":"(2)内胆","id":""}],"text":"","id":"LSwIdU4eIowMc6xGwblc81Klnyg"},{"type":"paragraph","children":[{"type":"text","text":"内胆既是盛水的容器,又是对外加热的场所,其寿命决定于内胆的材料和制造工艺。常见内胆材料有镀锌铁板、不锈钢板和钢板内涂搪瓷三种。","id":""}],"text":"","id":"HqwgdA6oQoAe48xALuqcsNBan4f"},{"type":"paragraph","children":[{"type":"text","text":"(3)阳级棒","id":""}],"text":"","id":"IS8ydEOwMomQq8x477ecrmyHn2X"},{"type":"paragraph","children":[{"type":"text","text":"贮水式电热水器中的阳极棒是一根金属镁棒,主要用来保护金属水箱不被腐蚀和阻止水垢的形成。","id":""}],"text":"","id":"A8g4ds2g6oaoG2xkxhgcFS0znXe"},{"type":"paragraph","children":[{"type":"text","text":"(4)保温层","id":""}],"text":"","id":"VcAadA6GWoSsi8xeq3oclbUNnod"},{"type":"paragraph","children":[{"type":"text","text":"外壳与内胆之间的保温层,起减少热损失的作用,一般采用聚氨酯发泡、玻璃棉、石棉、纤维、毡和软木等。为增强保温效果,现多采用高密度聚氨酯发泡材料充填的新工艺,充填扎实,密封保温性好,即使12h不通电,水温也仅下降2℃左右。","id":""}],"text":"","id":"S4A2dOigWogGksxgDD2cEGsUnth"},{"type":"paragraph","children":[{"type":"text","text":"(5)炉膛","id":""}],"text":"","id":"CAcCdSEWqo4YOkxgrLDcRJQQn3f"},{"type":"paragraph","children":[{"type":"text","text":"炉膛用于安装加热体和限温器,是由炉膛底盘、炉膛管、炉膛帽、温控管、螺孔柱焊接而成。螺孔柱经钻孔攻螺纹,用于安装镁棒。","id":""}],"text":"","id":"HIOGdU04SocMegxOSCkc7YIlnde"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"2、制热系统","id":""}],"text":"","id":"MUCAdGGQWo4aSixIXogcaeuOnBe"},{"type":"paragraph","children":[{"type":"text","text":"电热水器采用的电热元件多采用管状结构,为提高热效率,直接放在水中加热,形状可根据内胆结构弯成U形或其他形状,金属护套管常见为不锈钢管或铜管。电加热管在通电后,其内部高电阻电热合金丝发热,通过金属管内的绝缘填充料导热至金属套管,起加热作用。","id":""}],"text":"","id":"Wsu0dye0SoYyS2xEFYEcucQpnDd"},{"type":"paragraph","children":[{"type":"text","text":"电加热管使用时间一长,在电加热管表面容易结污垢,不仅影响发热效果,而且会产生漏电现象。为此海尔、小鸭、东宝等厂家,将热水器部分产品的电热元件改为高压耐热的陶瓷发热器,如图所示。间接加热内胆中的水(通电后,首先预热周围的空气,然后通过钢板对水加热),使水电分离,不仅无漏电之忧,且可超快速加热。","id":""}],"text":"","id":"Mi4WdcQ0aogw8qxS4dOcysZnnyc"},{"type":"image","attrs":{"height":834,"note":[{"type":"text","text":"工作原理","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/4b3cc4067eb243bea2fe1a07e4f33158","width":1495},"text":"","id":"IG20dsouAoA6ucxi40TcCh31nvd"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"3、控制系统","id":""}],"text":"","id":"HyEEdsimwoQyKIxqgtMcRDCrnGe"},{"type":"paragraph","children":[{"type":"text","text":"电热水器的控制系统主要包括温控器和漏电保护器。","id":""}],"text":"","id":"S8s4dwgoEo0uOOxAfqYcRpRKnVf"},{"type":"paragraph","children":[{"type":"text","text":"(1)温控器","id":""}],"text":"","id":"ZeG0dUggeocA4XxaLXMcRebMncH"},{"type":"paragraph","children":[{"type":"text","text":"电热水器中使用的温控器主要有双金属片温控器、蒸气压力式温控器和电子温控器。","id":""}],"text":"","id":"IcGUduo6Wo8IYaxGGumcl4mtnVd"},{"type":"image","attrs":{"height":720,"note":[{"type":"text","text":"工作原理","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/d45ae36f068d41a9801db870951e9a5f","width":801},"text":"","id":"NIMIdqMS0o004uxMBSEc6U2jnOg"},{"type":"paragraph","children":[{"type":"text","text":"(2)漏电保护器","id":""}],"text":"","id":"KGqGdSwy6oAaqAxJD5GcQ6ZUnEW"},{"type":"paragraph","children":[{"type":"text","text":"在电热水器的漏电保护器中、将15mA确定为危险电流,超过这一数值时漏电保护器动作,正常的动作范围为15~30mA。","id":""}],"text":"","id":"OUG6di2y8ouWGqxiorTcob2Jnlc"},{"type":"paragraph","children":[{"type":"text","text":"海尔电热水器选用的是进口漏电保护器,动作值为15mA,动作时间为0.1s。小鸭等品牌电热水器电源线带有先进的电子控制漏电保护插头,其技术参数为:额定电压220V(5OHz),额定电流10A,漏电动作范围5~10mA,漏电动作时间≤50ms,最大分断能力300A,最大负载功率2200W。","id":""}],"text":"","id":"ZU2idaWugo0GYOxgnN2cUfXIn4e"},{"type":"image","attrs":{"height":1024,"note":[{"type":"text","text":"工作原理","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/e1fde3f53c6e4c828c774f1ace78784a","width":768},"text":"","id":"TYMWdUC4OocYu8xOCKCccvJWnnh"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"4、进、出水系统","id":""}],"text":"","id":"Ky6ediEagoKsqQxGIZScNYd6nJd"},{"type":"paragraph","children":[{"type":"text","text":"进、出水系统由进、出水管,混合阀、安全阀和淋浴喷头等组成。","id":""}],"text":"","id":"N6YmdMAUCoigsSxaYtzctAlPnJf"},{"type":"paragraph","children":[{"type":"text","text":"(1)混合阀","id":""}],"text":"","id":"LEcWdcseaoIIekxLMrpc6eL4njr"},{"type":"paragraph","children":[{"type":"text","text":"混合阀的结构如图所示。由图可知,热水器内胆出水管、混合阀、喷头和大气相通,不受混合阀冷、热阀门控制胆内压力,故称为出口敞开式。","id":""}],"text":"","id":"XoQUdumU4o0Cwixu2NAcJhcEnNH"},{"type":"image","attrs":{"height":744,"note":[{"type":"text","text":"工作原理","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/f948916cdd73493fbd760ee2c8fbdf5e","width":887},"text":"","id":"GcYodwiKio28qIxI3rZcrg7OnEe"},{"type":"paragraph","children":[{"type":"text","text":"单独打开右侧红点热水旋阀,自来水经出水管、混合阀、喷头流出,出热水,出水压力由热水阀控制;单独打开左侧蓝点冷水旋阀,自来水直接经混合阀由喷头流出冷水,出水压力由冷水阀控制。当同时打开冷热水阀门时,冷水和热水在混合阀出水口混合,适当调节冷热水阀门大小,可得到所需水温。","id":""}],"text":"","id":"CMIEdCiO0oCiMuxsjuGcOCZ4nUf"},{"type":"paragraph","children":[{"type":"text","text":"(2)安全阀","id":""}],"text":"","id":"Eum6dA6iQoGYOcxOUPKc3d3Tnfd"},{"type":"paragraph","children":[{"type":"text","text":"在自来水压力突然增高或加热水温过热,造成内胆压力超过规定耐压值时,安全阀会自动排压,以保护内胆。在加热过程中,安全阀会有缓慢的滴水现象,不是故障,是一种正常现象。","id":""}],"text":"","id":"YGCEdWowUoieUkxKyNwcIBctnUg"},{"type":"image","attrs":{"height":425,"note":[{"type":"text","text":"工作原理","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/b41181aa1d5a4c8d875265320248ecf3","width":745},"text":"","id":"RYIMdu4Cqoc4EGxwXfncl2GZnZd"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"5、工作原理","id":""}],"text":"","id":"GmyedIIOqoeae6xUNwZcy3jHn2d"},{"type":"paragraph","children":[{"type":"text","text":"贮水式电热水器的加热分单加热器加热和双加热器加热两种。前者,--般用在容积不太大的热水器中;后者、往往用于容积较大的热水器中。","id":""}],"text":"","id":"OWqSdAaAioQkWMxEVekc7UZtncg"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"二、速热式电热水器","id":""}],"text":"","id":"DSKod68S0o20WSxqC48c6n8enme"},{"type":"paragraph","children":[{"type":"text","text":"快速热水器一般在接通电源、开启水阀后,仅需十几秒就会有充足的热水源源流出,因此也称流动式或即热式电热水器。","id":""}],"text":"","id":"VU0Kdg0uMoC8ogx6azGccJl1nIf"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"1、基本结构","id":""}],"text":"","id":"DecCdoQWWok8a2xi2Wccp2g6npb"},{"type":"paragraph","children":[{"type":"text","text":"快速热水器主要由外壳、内腔、电热元件、压力开关和温度控制等部分组成。","id":""}],"text":"","id":"DICsdMQ2uoKQmUx2RktcUhz5nEg"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"2、工作原理","id":""}],"text":"","id":"NSy4duKQKouamqxsB9XcQ3NAn0f"},{"type":"paragraph","children":[{"type":"text","text":"(1)腔体式","id":""}],"text":"","id":"CWawdoSououGGAxSM2vcAyuznwg"},{"type":"paragraph","children":[{"type":"text","text":"打开进水阀门,水流入腔体。当水充满腔体后,在水压和重力作用下,使橡皮膜下凹,从而带动通过膜片中心的通水管子上端,使触点闭合接通电源,这样电阻丝通电发热,被加热的水沿通水管上开有的小孔流入管内,再经过莲蓬头喷射出来,供人们使用。当停止进水时,靠橡皮膜弹力恢复使触头断开,从而切断电源。","id":""}],"text":"","id":"SEwWdwcICoEuA0xO02FcSwJ0nZg"},{"type":"paragraph","children":[{"type":"text","text":"(2)水槽式","id":""}],"text":"","id":"IKYIdQOSOow86cxE6smc1JNZnPM"},{"type":"paragraph","children":[{"type":"text","text":"在未接通水源时,压力开关处于常态(触点断开),微动开关s不动作,从而继电器线圈不通电,这时整机不工作。接通水源后,因水压升高,这时压力开关触点动作,继电器KA吸合,主电路触点闭合,指示灯HL点亮,这时只要将转换开关(功率调节器)根据需要调节在适当位置,电热元件即可工作,就会有热水从莲蓬头中源源不断流出。","id":""}],"text":"","id":"Ow6CdMSQAoOCqCxM6DjcLzpenWc"},{"type":"image","attrs":{"height":594,"note":[{"type":"text","text":"工作原理","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/c5ef3ba42b5c4b979caf872e28067009","width":1499},"text":"","id":"Nu4qdWYGkosu2wxeIb9clBTGnFb"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"常见故障分析","id":""}],"text":"","id":"NqkSdA84CosOaWx8gStc7Vy5nDc"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"一、电热水器检修工艺","id":""}],"text":"","id":"O0yod2SIYoCMSexOItkcwiQIn5g"},{"type":"paragraph","children":[{"type":"text","text":"下面以海尔电热水器为例,对电热水器的检修工艺过程介绍如下:","id":""}],"text":"","id":"T08IdKAKUo0ycsxg7aVcNhtqn5b"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"1、电源检查","id":""}],"text":"","id":"KYw2dIQOcoQO6WxCYELc3LXjncf"},{"type":"paragraph","children":[{"type":"text","text":"用万用表交流电压档(~500V档)测量插座零线和火线,零线和地线是否接通,若不通为正常;反之,则电源不能使用,应修复。","id":""}],"text":"","id":"FoSqdIE2koO6sgxusqAceG3Tnrg"},{"type":"image","attrs":{"height":618,"note":[{"type":"text","text":"常见故障分析","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应小于0.1Ω。","id":""}],"text":"","id":"FIeWdmCcIoeaIexOycccnczpncd"},{"type":"paragraph","children":[{"type":"text","text":"安全性能测试合格后,才能按工艺要求将电热水器重新安装好,投入使用。","id":""}],"text":"","id":"NQWGdGC8IoecOMxKEzNcQiLZnLc"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"二、电热水器常见故障分析","id":""}],"text":"","id":"PqwGd8oYio8QMUx0EOwcTS1unMe"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"1、出水不热","id":""}],"text":"","id":"Hiw0d8O2aoyyOQxcn0ScY4iwnGe"},{"type":"paragraph","children":[{"type":"text","text":"(1)冷热水调节不当:这是由于热水阀开得太小,冷水阀开得太大造成的。应适当调节冷热水阀的开度,使出水温度适合使用。","id":""}],"text":"","id":"NKgWdIieuo4EkIx2PHZc87npnDd"},{"type":"image","attrs":{"height":682,"note":[{"type":"text","text":"常见故障分析","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/255d3584b2d943dd9dac61833a768876","width":877},"text":"","id":"LgIsd08suoSgcqx6nqrczDq4nDd"},{"type":"paragraph","children":[{"type":"text","text":"(2)电源未接通:调整电源插头或开关,使其接触良好。若采用的是漏电保护插头,应将其“复位按钮”按下,排除以上故障若仍不能接通电源,应拆开电热水器仔细检查回路是否有导线脱落、断开等情况,若有,应及时排除。","id":""}],"text":"","id":"DqUUdkwm4o8sUwx8Vg6c8eOjnkd"},{"type":"image","attrs":{"height":430,"note":[{"type":"text","text":"常见故障分析","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/7525bc62aad642a98962870140d6b9c4","width":602},"text":"","id":"LiOydYyacoMOaExcx55cYrvunVe"},{"type":"paragraph","children":[{"type":"text","text":"(3)电加热器损坏:用万用表电阻档测量电热元件电阻值,正常情况下,1kW电热水器,电阻为49Ω左右;3kW,16Ω左右。功率不同的电热水器,其电热元件的阻值不同。若电阻为无穷大,说明电热元件损坏,应予更换。","id":""}],"text":"","id":"QOSidOkc0okWmmxGsh3ca1E2nEg"},{"type":"paragraph","children":[{"type":"text","text":"(4)温控器损坏:当温控器触头接触不良或感温体内感温剂泄漏时,可引起温控器不能正常工作。对于前者可拆开压力式温控器进行修复;对于后者只好更换新的压力式温控器。","id":""}],"text":"","id":"YIYidcmquoags8xkRVycrNrNnxb"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"2、出水温度太高","id":""}],"text":"","id":"SuAqdK84io4a8cx4SmYcOJCfnme"},{"type":"paragraph","children":[{"type":"text","text":"(1)冷热水调节不当:适当调节冷热水阀的开度。","id":""}],"text":"","id":"N26mdYGgwoYYMixg7uMcRjocnRh"},{"type":"paragraph","children":[{"type":"text","text":"(2)温控器旋钮调节不当或触点粘连:将温控器旋钮调至温度较低处;对触点粘连的,可将温控器拆开,将粘连触点分开,并对触点进行研修、调整,经调整后,一般即可使用,必要时可进行更换。","id":""}],"text":"","id":"CSEkdASQSoqCEoxM7UVc9FRHnch"},{"type":"image","attrs":{"height":597,"note":[{"type":"text","text":"常见故障分析","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/cbf6dc3eb93f4a5d87512021c3e7b634","width":917},"text":"","id":"Kuq8d8goOoQocEx0UwocD7XmnCc"},{"type":"paragraph","children":[{"type":"text","text":"(3)限温器失灵:检修限温器。","id":""}],"text":"","id":"MCoidKiAuoIcMyx0ETIcXvqCnQb"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"3、漏水","id":""}],"text":"","id":"NCsCduU4Qo2aeixkBlDc1TuUnnf"},{"type":"paragraph","children":[{"type":"text","text":"(1)管道连接处漏水:对接口密封不好造成的漏水,应重新安装接口;若属自来水压太高,应在自来水道上设置减压阀。","id":""}],"text":"","id":"KcA6dUOUkouQ40xiEPPcjXvsnaf"},{"type":"image","attrs":{"height":583,"note":[{"type":"text","text":"常见故障分析","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/33c965c6e47942b3a19736b9b5204fe1","width":872},"text":"","id":"Lgm8d2mSSo4OySxmOzYcSSIZnng"},{"type":"paragraph","children":[{"type":"text","text":"(2)安全阀接口漏水:是由于安全阀松扣或密封不好造成的,应重新拧紧和密封。","id":""}],"text":"","id":"IoA4dEMyaoecUgx8onkcaBTpnUb"},{"type":"image","attrs":{"height":669,"note":[{"type":"text","text":"常见故障分析","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/35fca532fa97417faddbabccd68607f9","width":880},"text":"","id":"MgU2dMSyYo8kkoxGYhGcDCzZn9b"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"4、出水带电","id":""}],"text":"","id":"WQ8UdSiSGoKYmaxQfyOc6P8Anvd"},{"type":"paragraph","children":[{"type":"text","text":"(1)出水口接地失效:重新接好接地线,保证接地电阻小于0.1Ω。","id":""}],"text":"","id":"JKgudacMKo4KuCx4XePcNCLGnqg"},{"type":"paragraph","children":[{"type":"text","text":"(2)水中分布电流大:用细钢丝编织成网,包在出水口上,并与接地线良好接触。","id":""}],"text":"","id":"BSwkdc4mcomsYqxgpWAcPDiBn0e"},{"type":"paragraph","children":[{"type":"text","text":"(3)电热元件绝缘损坏或失效:更换电热元件,更换时要保持电气接触良好,有关密封部分不漏水。","id":""}],"text":"","id":"Z0GudayU4o6OsWxfU6zcz9VDnHY"},{"type":"paragraph","children":[{"type":"text","text":"(4)内部导线绝缘层损坏,搭接在外壳或内胆上:拆开电热水器,检查出导线绝缘层损坏的部分,进行更换。","id":""}],"text":"","id":"IGYgdkOiMoI48ExzhN5cdE2NnLC"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"5、进水困难","id":""}],"text":"","id":"GM6sdmQMKoUeoExMbRgcTMeJn8b"},{"type":"paragraph","children":[{"type":"text","text":"(1)脏堵:主要是由于自来水水质不好,杂质超量,堵住进水口的逆止阀。设有进水滤网的热水器大都是滤网孔被堵。在确定水压正常后,关闭自来水供水总阀,清理管路,冲出胜物或清洗滤网。","id":""}],"text":"","id":"VKO6d0828okQwKxQnSMckxnvnfg"},{"type":"paragraph","children":[{"type":"text","text":"(2)汽堵:常见于密闭水箱贮水式电热水器中。其特征是:热水阀打开后,喷出大量水蒸气,此时应将调温器调到最小位置或切断电源,先将蒸汽从热水阀排出,然后打开冷水进水阀,使热水器排水,降低水温,再检修温控器;若热水阀打开后,热汽断续流出,量很小,一般是脏堵造成的。此时应开大热水阀和冷水进水阀,以降低水温,待水温降低后,检查热水阀是否脏堵,洗净后冷水便会从热水阀流出。","id":""}],"text":"","id":"Om8cdKyEioGG4sx44UlcqAPin2e"},{"type":"paragraph","children":[{"type":"text","text":"(3)供水压力不正常:当供水管路因水压下降,供水压力低于贮水压力,逆止阀不能被顶开,会造成进水困难。这种故障,待水压正常后,故障即自行消失。","id":""}],"text":"","id":"ZuwGdq6CgoIaEIxUVQxc1rKjndc"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"保养","id":""}],"text":"","id":"UuAGdAwwOogeW4xWMVmcKBqMnrf"},{"type":"paragraph","children":[{"type":"text","text":"使用一段时间后,应取下喷头,按安装方法进行冲洗。长期使用后,若升温慢,应检查电热元件是否结垢,若结垢,可用去垢剂清除水垢。","id":""}],"text":"","id":"TIA2d8eaQokGsaxO2LIc2TaknLb"},{"type":"paragraph","children":[{"type":"text","text":"若漏水,应更换相应的橡胶密封圈。","id":""}],"text":"","id":"Nkigd2Eu4oi6glxym54cw4jJnI3"},{"type":"paragraph","children":[{"type":"text","text":"若加热时蒸汽冒出,则表明恒温器失效。或感温头脱出,应关闭电路,经检查修复后再用。","id":""}],"text":"","id":"UWgQdAcagoQ8EQx4eKDceRo9ncf"},{"type":"paragraph","children":[{"type":"text","text":"加热时因水的膨胀,喷头有时会有少量热水溢出,这属正常现象,不必过分用力拧紧热水阀,以免加速损坏密封圈。","id":""}],"text":"","id":"Ss6idy4AeoMgOIx6mVccESPinPf"},{"type":"paragraph","children":[{"type":"text","text":"自来水阀可使用不带手轮的阀门或者安装好后取下手轮,以防误关此阀,导致水箱缺水而烧毁电热丝。","id":""}],"text":"","id":"PWkydUIOIosqkaxcJT6coKeancb"},{"type":"heading","attrs":{"level":1},"children":[{"type":"text","text":"燃气热水器","id":""}],"text":"","id":"EmkGd4cqCok2cGxUrnUcojNXnHd"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"结构","id":""}],"text":"","id":"CGMkdSwwmoIEGAxgfjucH3JmnZc"},{"type":"paragraph","children":[{"type":"text","text":"目前,家用快速燃气热水器常见为壁挂式,适合淋浴使用,主要由水路系统、燃气系统、热交换系统、排烟系统和安全装置五大部分组成。其结构示意图如下所示。","id":""}],"text":"","id":"V48udWcmQoakmMx4mVTcota2nAb"},{"type":"image","attrs":{"height":897,"note":[{"type":"text","text":"结构","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/2c3235234e654902a40487f338c99b13","width":1262},"text":"","id":"FuEKdyoIso8A8gxai9ccnk69nfb"},{"type":"paragraph","children":[{"type":"text","text":"(1)水路系统主要包括进水阀、水膜阀等,其中水膜阀是关键部件,起控制水气联动装置的作用,当水源切断后立即切断燃气;水阀是控制冷水进入热水器流量大小的装置,水阀燃烧器在同样工作状态下,流量大的,输出热水温较低,反之则水温升高。","id":""}],"text":"","id":"ZAm2dayWYoCUEcxMJCYcengxnOg"},{"type":"paragraph","children":[{"type":"text","text":"(2)燃气系统主要包括燃气调节阀、水气联动阀、常明火、主燃烧器。其中主燃烧器是热水器供热的主要部件;水气联动阀是由水流的压力差控制气阀的开启以防止空烧。燃气调节阀可调节进入主燃烧器气量,以达到调节水温的目的。","id":""}],"text":"","id":"PQkGdYKICoeAC4xWGhIcqrfXnzc"},{"type":"paragraph","children":[{"type":"text","text":"(3)热交换系统主要包括腔体、集热片和弯管。","id":""}],"text":"","id":"PKW2dKGiioSk4Wx63PfchJSUnze"},{"type":"paragraph","children":[{"type":"text","text":"(4)排烟系统包括热水器外壳、排气烟管和排烟口等。燃烧后的烟气,须经过排烟系统排出。","id":""}],"text":"","id":"AYK2dQ0k8os2qsxfWf4cL7JanCE"},{"type":"paragraph","children":[{"type":"text","text":"(5)安全装置主要包括由热电偶和电磁阀组成的熄火保护、缺氧保护、水气联动阀防止空烧、排水阀防止过水压和冻裂。","id":""}],"text":"","id":"LIO6dcQuQo26iSxi295cllDhnZb"},{"type":"paragraph","children":[{"type":"text","text":"下面重点介绍燃气热水器主要部件结构原理","id":""},{"type":"text","text":"。","id":""}],"text":"","id":"EskWd8mkwogOQ4xamOBcLlK2nfg"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"一、点火装置","id":""}],"text":"","id":"FuyudEG4IowISAxER0Dcc5P4nTh"},{"type":"paragraph","children":[{"type":"text","text":"点火装置的作用是点燃小火(常明火)并保持其燃烧。当按下点火按钮时,小火管有燃气流出,此时点火器工作,点燃旁边的小火。燃气热水器的点火方式主要有压电陶瓷点火和电脉冲点火两种。","id":""}],"text":"","id":"LI8EdwICGo4GQCxmssIcx8VgnUb"},{"type":"image","attrs":{"height":660,"note":[{"type":"text","text":"结构","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/31c6e50fd12c433eaa7a8a2f0f4ef21e","width":750},"text":"","id":"Ays6dC2OUogYgQxacJrcBM7nn1f"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"二、水气联动阀","id":""}],"text":"","id":"NemcdiAkkos68wxRwRuc2P7anOi"},{"type":"paragraph","children":[{"type":"text","text":"水气联动阀是保证燃气热水器安全使用的重要部件,其主要作用是:当水压足够,水在热交换器中流动时,燃气才能进入主燃烧器进行燃烧;而当水流停止或压力不足时,自动切断燃气供给,以防因缺水面燃坏热水器。","id":""}],"text":"","id":"ZucqdiI44os06GxkzQuclgJhnlb"},{"type":"image","attrs":{"height":600,"note":[{"type":"text","text":"结构","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/516af55f2e064ad78b8c0992e136f804","width":800},"text":"","id":"AiKodKiUSok20ixkfGicQNhPnOh"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"三、燃烧器","id":""}],"text":"","id":"SeSMdiUcSokiQyxqyOoc0AgOnVd"},{"type":"paragraph","children":[{"type":"text","text":"1、常明火为点燃主燃烧器作准备,常明火有单独的燃气通路。同时常明火加热熄火保护装置中的热电偶,使电磁阀开闭燃气阀门。当由热电偶或双金属片构成的熄火保护装置一旦检测到常明小火熄灭,熄火保护装置将自动切断气源。","id":""}],"text":"","id":"R4awdaOQ8o2IoixSIAGchMqCnTf"},{"type":"paragraph","children":[{"type":"text","text":"常明火点火管一般用铜管或不锈钢制成,为保证燃烧的稳定,大多采用大气式燃烧方式,即燃烧前预混一部分空气,由于这种燃烧方式火焰短而稳定,用它加热热电偶或热双金属片时,热量集中,不易产生误动作。","id":""}],"text":"","id":"UQwydCSUcoiQY6xkj83cR1hdn3d"},{"type":"paragraph","children":[{"type":"text","text":"2、主燃烧器是燃气热水器提供热源的主要部件,热负荷较大,火力强而且集中,火焰高度实短不宜长,一般采用大气式燃烧器来满足要求,而且大多不设一次调节装置。","id":""}],"text":"","id":"VG4edEi6IoUGCUx2Z6vcuBr8nng"},{"type":"image","attrs":{"height":539,"note":[{"type":"text","text":"结构","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/a91dbad6ac2648de8a0bc6fa0d80b2a9","width":651},"text":"","id":"NQKOdM28Qo2w0WxthlzcBXpEny6"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"四、热交换器","id":""}],"text":"","id":"FAEMdGuM4owEwwxyQgkcQCG1nW4"},{"ty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t":491,"note":[{"type":"text","text":"工作原理","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/2ca7e1e9708d4ed2bd13d22d98a85f5c","width":747},"text":"","id":"IcUudSAUuoeo4KxAZH7cl8sbnkf"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"故障检修","id":""}],"text":"","id":"KUwKdcGMqoAAawx0AeRcn9m8n3d"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"一、常见故障分析","id":""}],"text":"","id":"IwMAd6im6oWEgixwR7Xc0bZTnZm"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"1、打不着火或打火困难","id":""}],"text":"","id":"Xkkwd2iQCooeiIxM3Glcjw7cnof"},{"type":"paragraph","children":[{"type":"text","text":"(1)刚打开气源时,由于气管内空气尚未排空,短时间内难以打火,只要多打几次,让气管内的空气排空后,便能成功点火。","id":""}],"text":"","id":"RAYqdgComo6gaGxcXQXcxBYxnLf"},{"type":"paragraph","children":[{"type":"text","text":"(2)喷嘴堵塞:在打火时有火星,而无法点燃火种,表明喷嘴有堵塞,此时只要将喷嘴进行清理即可。","id":""}],"text":"","id":"NYQUdm6GSoGKssxiADBcqAuHnPf"},{"type":"image","attrs":{"height":800,"note":[{"type":"text","text":"故障检修","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/3b0bdf9d30bb4345978e7e4db0bfe4f3","width":800},"text":"","id":"FGSodKWMuoSkwCxozhzcg2fJnhh"},{"type":"paragraph","children":[{"type":"text","text":"(3)点火针破裂或松动:多数热水器点火针绝缘体是用陶瓷制作的,若陶瓷破裂或点火针松动,就会造成没有对着火种进行点火,打不着火。此时应更换点火针或对点火针进行调整位置。","id":""}],"text":"","id":"DEmYdgAiQoi6wSxCG30cyGlInDc"},{"type":"image","attrs":{"height":682,"note":[{"type":"text","text":"故障检修","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/a4a5502894164d50adea808c8c9b7205","width":957},"text":"","id":"ZCiod26Mwou4cexUvPTc0aG7nKh"},{"type":"paragraph","children":[{"type":"text","text":"(4)压电陶瓷失效手动式热水器一般是采用压电陶瓷点火,若点火时无点火火花,通常是压电陶瓷损坏造成的,应及时进行更换。","id":""}],"text":"","id":"IOECdwCkKouIuUxiS2PcZyMOnQg"},{"type":"paragraph","children":[{"type":"text","text":"(5)水动式热水器电磁阀损坏,点火时,有火星而点不着火,此时先检查电磁阀接线是否良好,若未发现接线不良,应更换电磁阀。","id":""}],"text":"","id":"VGS6dwUusoSCQsxUz7Tc9RyanTh"},{"type":"image","attrs":{"height":682,"note":[{"type":"text","text":"故障检修","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/bb059af299b04523b214eb7d6f88418b","width":976},"text":"","id":"KiU8dyQ2GoEIIqxk39sc31iHnOg"},{"type":"paragraph","children":[{"type":"text","text":"(6)水动式热水器点火时无火星此时按顺序检查电池是否有电或装反,电池盒是否有接触不良,微动开关是否损坏,电脉冲发生器和接线是否有故障。排除故障后即可点火。","id":""}],"text":"","id":"EIAIdMQ4coEaQexkNRVcT03Tnrf"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"2、中途","id":""},{"type":"text","marks":[{"type":"strong"}],"text":"燎火","id":""}],"text":"","id":"TA6sdkECcoS4w4xYTrmcO5m1nRM"},{"type":"paragraph","children":[{"type":"text","text":"(1)热电偶与电磁阀接触不良或失效:若在热水器使用过程中,偶然中途熄火,说明热电偶与电磁阀接触不良,此时应紧固两者的联接螺母;当热水器打火后,中途熄火的时间都较接近时,表明热电偶已开始失效,应尽早更换。当热水器每次中途熄火的时间不规则时,表明火种与热电偶的位置不太准确,应调整。","id":""}],"text":"","id":"P2e6dmQYKoS2O2x2bDwc2pzbn2e"},{"type":"paragraph","children":[{"type":"text","text":"(2)燃气气压不稳定:适当调整气源压力或清洗火种喷嘴。","id":""}],"text":"","id":"E8CadAy6koIIoWxCytEchxxMnMb"},{"type":"paragraph","children":[{"type":"text","text":"(3〉保护装置动作:当直排式热水器使用时间过长,且室内换气较差时,或热交换器(水箱)长期没有清洗而造成严重积炭,保护装置便会自动关闭气源,导致熄火。对于前者,需打开门窗,使室内空气流通,对于后者需定期(每年1~2次)清洗热交换器。","id":""}],"text":"","id":"PceMdqCgao8oQYxsrEqchR4SnZc"},{"type":"paragraph","children":[{"type":"text","text":"(4)水动式热水器离子感应针被污染:若每次使用时,都要打2~3次火,应对感应针进行清洗,若经清洗,还有同样的问题出现,说明感应针的材质或电子点火器质量不良,应及时更换。","id":""}],"text":"","id":"IsiQdUOI0oMc4kxQLmAcCDwJnwg"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"3、漏气","id":""}],"text":"","id":"J82MdSsCYoQSwAxEvJUcIESInWg"},{"type":"paragraph","children":[{"type":"text","text":"漏气主要是由于密封用的密封圈破损老化或配合不严造成的。","id":""}],"text":"","id":"DomedSGCAogyOax8ertcguRAn0b"},{"type":"paragraph","children":[{"type":"text","text":"(1)进水接头安装不良而漏气:重新安装平面胶圈,上紧并紧固气接头。","id":""}],"text":"","id":"Be0CdOgCyokcMUxeYKFcAT3Xnsc"},{"type":"image","attrs":{"height":587,"note":[{"type":"text","text":"故障检修","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/5cf67069ab4f4d0990f6a1095536e45f","width":1001},"text":"","id":"T88CdoiGCo8AmcxcN3QcIiG4nJe"},{"type":"paragraph","children":[{"type":"text","text":"(2)气阀体上联接面漏气:更换密封胶圈。","id":""}],"text":"","id":"SYc8ds8coomWo8xQ5QwcNiKfnWe"},{"type":"paragraph","children":[{"type":"text","text":"(3)气阀芯上的润滑脂干而漏气:清洗气阀芯,重新均匀涂上润滑脂(二硫化钼),以确保气阀芯不再漏气。","id":""}],"text":"","id":"PEgOdSGi4o2E4qxo3s4cg0t3nwc"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"4、漏水","id":""}],"text":"","id":"GgcydkiukokQouxMvKUcXdPnnAc"},{"type":"paragraph","children":[{"type":"text","text":"(1)防冻排水阀经多次拆装,密封胶圈裂损造成的漏水,应更换胶圈,并注意平日装拆不应用力过大。","id":""}],"text":"","id":"OsCKdey2qoE8i6xWcAjcbptPnpc"},{"type":"image","attrs":{"height":626,"note":[{"type":"text","text":"故障检修","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/1ab564dae39f4b27a58aece09d884ad1","width":911},"text":"","id":"QSK4dAiOso2K8yxEL8hc4iLOnDc"},{"type":"paragraph","children":[{"type":"text","text":"(2)水阀芯胶圈因长期使用磨损严重造成的漏水,只要更换胶圈便可正常使用。","id":""}],"text":"","id":"M6agdeiMEoak8yxgjhgcbZJmn8d"},{"type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用mV档测量两端电压,正常为20mV左右,若为0,说明热电偶损坏,应更换。","id":""}],"text":"","id":"Wk8ud4Oa0osMG2xsljdcTZHwnif"},{"type":"paragraph","children":[{"type":"text","text":"(2)正常使用10min后,出现声响和熄灭,这多是缺氧造成的,应及时补充新鲜空气。","id":""}],"text":"","id":"R2SSdeSkWoIkAMxOGCDcUB4ZnPe"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"10、关闭热水阀后,主燃烧器熄火","id":""}],"text":"","id":"RmUcd2gQQoUOakxwbHicby2Dntf"},{"type":"paragraph","children":[{"type":"text","text":"(1)燃气阀塞被水气连动阀顶杆卡住,打开水气连动阀,清理阀内顶杆表面的水锈,涂上润滑油,重新装好。","id":""}],"text":"","id":"QYA6dQcEKo08M0x4r0pcFQLQnbg"},{"type":"image","attrs":{"height":567,"note":[{"type":"text","text":"故障检修","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/62eb59a19a304c43b6fa87d83318ba0e","width":833},"text":"","id":"TYwSdYSOgo62GCxE5PocTTA4n8d"},{"type":"paragraph","children":[{"type":"text","text":"(2)压差平衡器的眼孔被管道内异物堵塞拆开阀壳,疏通眼孔。","id":""}],"text":"","id":"N6QEdESSsoCoyqx83kUccjUNnxd"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"11、热水水流不畅、水温偏高","id":""}],"text":"","id":"ZSywdO6OUoSGUuxgTEjcJaI8nHc"},{"type":"paragraph","children":[{"type":"text","text":"(1)水温调节旋钮使用不当:检查水温旋钮是否置于需要的位置上,位置有误时,应予纠正(温度“最高”为水流最小,温度“最低”为水流最大)。","id":""}],"text":"","id":"CMe8dAmoQouQgMxwLDEcEUN6nEg"},{"type":"image","attrs":{"height":550,"note":[{"type":"text","text":"故障检修","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/04f42ce95779403e9e26c9459c380d99","width":822},"text":"","id":"FWAIdI0EOoMk4ExUL9fcUBVGntb"},{"type":"paragraph","children":[{"type":"text","text":"(2)水温调节失控:若是旋钮错位引起阀芯开度和指示温度不一致,应及时调整,必要时更换滑牙的旋钮;水温控制阀阀杆和阀芯密封件老化损坏时,会引起水流不畅,应更换密封件。","id":""}],"text":"","id":"U6Owd6sQ2oaacqx4yU9c7H4DnI7"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"12、炮火保护装置失灵","id":""}],"text":"","id":"CcOKdQoYEoUoUIxQZzlcY21knaf"},{"type":"paragraph","children":[{"type":"text","text":"(1)热电偶的探头和点火燃烧器的位置不当:调整时,可稍松一下固定热电偶探头的螺钉,将探头移至点火燃烧温度较高的位置,进行反复点火试验,直至电磁阀吸合,再将紧固螺钉拧紧。","id":""}],"text":"","id":"GioodG6CIoQScMx2dEHcPYxwnUh"},{"type":"paragraph","children":[{"type":"text","text":"(2)热电偶与电磁阀之间的连接螺母松动:将松动的螺母拧紧即可。","id":""}],"text":"","id":"W4Yid0ey6oO4ScxgNWfcd9UknPd"},{"type":"paragraph","children":[{"type":"text","text":"(3)热电偶损坏:若热电偶断线或发生在热点上的短路,一般是无法修复的,应进行更换。方法是:拧开与电磁阀连接的螺母,并松开探头在点火燃烧器旁的螺钉,拆下热电偶。更换新热电偶时,先将它与电磁阀连接的螺母拧紧,再将偶线弯成需要的形状.将探头固定在点火燃烧器附近温度较高的位置,装好后进行点火试验,确认电磁阀动作后,再进一步拧紧螺钉、螺母。","id":""}],"text":"","id":"K4UgdoGEMoAYSExoXlVcXSV5ntc"},{"type":"paragraph","children":[{"type":"text","text":"(4)电磁阀吸合电流变大:这多是由于衔铁极面被气源腐蚀和污染造成的。电磁阀吸合时间,刚出厂时,5s即可吸合。使用中的燃气热水器,电磁阀若在点火后30s还不吸合,就应进行去污或更换处理。","id":""}],"text":"","id":"SKi0d6Mgyo4kcCxCAiDcXLlQnvf"},{"type":"paragraph","children":[{"type":"text","text":"(5)电磁阀线圈断、短路或衔铁移位:这类故障,一般很难修复,应更换同型号电磁阀,更换方法见前。","id":""}],"text":"","id":"BwYKdCeSkomUamxWotEcvULanKf"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"13、调节水温的方法","id":""}],"text":"","id":"J266dWKUUo0eaqxIldGcZMv1npd"},{"type":"paragraph","children":[{"type":"text","text":"(1)调节进气阀控制燃气进量,可调节水温。","id":""}],"text":"","id":"Tgmsd8OMAo0aUGxsveZc9xWen9b"},{"type":"paragraph","children":[{"type":"text","text":"(2)调节水温调节器,可控制出水温度。","id":""}],"text":"","id":"Yqw6dmCGSoq6qsxcDKzcCZ6dnbh"},{"type":"paragraph","children":[{"type":"text","text":"(3)调节自来水阀控制最大水流量,可调节最低温度。","id":""}],"text":"","id":"EuaAdCs2coMoGkxq07UcSYWynMb"},{"type":"paragraph","children":[{"type":"text","text":"(4)水气连动阀还有自动控温的作用。","id":""}],"text":"","id":"MYMwdaUcCoAkqIxcVPjcrdlanMd"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"14、水垢的清除方法","id":""}],"text":"","id":"TO4UdmaooogmQaxgZeAcax5UnCh"},{"type":"paragraph","children":[{"type":"text","text":"水垢产生后,会使热水器热效率降低,同时还会使热水器管径变小,热水产率下降,水温过高,甚至会产生局部堵塞。为此应一年左右清洗一次,清洗的方法很多,下面仅介绍一种简单实用的方法。","id":""}],"text":"","id":"JQMgdGQegogCASxmiBacvhiun0e"},{"type":"paragraph","children":[{"type":"text","text":"(1)买一袋铝壶―次清除水垢剂,将其倒人约1.2L饮料瓶中,并加人约1L温水,搅拌均匀。","id":""}],"text":"","id":"UQy6d4MU4oYIWMxuAS2cjo3BnGh"},{"type":"paragraph","children":[{"type":"text","text":"(2〉按图所示连接好。打开水温开关,用手挤压饮料瓶,待除垢液进入热水器,并从进水管流出时,关闭水温开关。","id":""}],"text":"","id":"YMMadIQiIo4K2mxkTOvcUCwVnMc"},{"type":"image","attrs":{"height":742,"note":[{"type":"text","text":"故障检修","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/0fbf3030fb8f45bfa520337d7ad10fe5","width":842},"text":"","id":"Fi6sdICKGoeCWixiAP3cIfJwnwg"},{"type":"paragraph","children":[{"type":"text","text":"(3)点燃热水器常明小火,对除垢液加温,待10~15min后,关闭常明小火,打开水温开关,将饮料瓶中剩下的除垢液全部流入热水器并从进水口排出(可重复几次)。","id":""}],"text":"","id":"SocOdwqKYoSMiMx8TvTcwc0JnGf"},{"type":"paragraph","children":[{"type":"text","text":"(4)卸下饮料瓶,接好进水管,打开冷水阀门,用清水将热水器管道内残余的水垢及除垢液冲洗干净即可。","id":""}],"text":"","id":"QoIMdYk2ioYkckxI9cUcqd4dnsh"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"15、水动式热水器有水流出,但不点火","id":""}],"text":"","id":"KYwed4IMuoSuW8xMzHvczQI4nZd"},{"type":"paragraph","children":[{"type":"text","text":"水动式热水器是在打开进水阀门或热水阀门时,热水器便会自动点火,数秒钟后便有热水产生。当有水流而不点火时,其故障原因是多种多样的,可以按以下步骤进行检查并排除故障。","id":""}],"text":"","id":"FEGgds0YcoKK2AxYDbYcygLzncc"},{"type":"paragraph","children":[{"type":"text","text":"(1)打开水源开关,查看指示灯是否有亮,如果红色亮,表明电池已达到无电状态,需更换电池;如果绿色亮,但无“嗒,嗒,嗒”响声及点火火花,表明点火器高压包烧毁或高压线脱落,应重新连接高压线或更换点火器;如果指示灯不亮又无点火火花出现、应检查有没有安装电池或电池是否装反,如果电池安装正常,则需检查电源连线是否可靠,发现情况应及时排除。","id":""}],"text":"","id":"Lci2dEE6QoYkkYxgbfkcx6S8nLe"},{"type":"paragraph","children":[{"type":"text","text":"(2)当所有电导线未发现异常时,先检查微动开关〈有的热水器用水动磁控开关),用手按动微动开关或直接用导线(或旋具)进行短路连接,此时如果有点火动作,则证明是微动开关故障或开关拨片位置不对,应予以更换或调整。如果按动或短路微动开关,均无点火动作,则是点火器的故障,需更换点火器。","id":""}],"text":"","id":"KkkydUcEsockOmx6qzFcK2YCnib"},{"type":"paragraph","children":[{"type":"text","text":"(3)当打开水源开关后有点火火花而没有着火时,应先检查点火针位置是否对准燃烧器,然后再检查电磁阀的连线连接是否良好,同时可根据该热水器的用电池情况,对电磁阀接入3V(或1.5V)的直流电压,查看燃烧器是否着火,如有着火,则表明点火器输出电流不足,需更换;如未有着火,则表明电磁阀有故障,也需更换。","id":""}],"text":"","id":"DyKqdIsWOo6W4gxwTh1cR2gxnRg"},{"type":"paragraph","children":[{"type":"text","text":"(4)如果上述几种方法都无法查出原因时,就要检查其他的安全保护装置,例如,过热保护装置是否熔断或开路;防止不完全燃烧装置的热电偶是否反接或开路;水气联动装置是否活动自如(反复开、关水源、微动开关拨片应左右移动,如果不动作则是水阀膜片穿孔或联动杆卡死等)。","id":""}],"text":"","id":"Aq00deQU6oM2msxMpAccnSNynKg"},{"type":"paragraph","children":[{"type":"text","text":"(5)在各项检查前应先检查气源是否开启,连接气源的气管是否折叠或太长,如果气管太长,应先多点火几次,让气管内的空气排空后,方可点火成功。","id":""}],"text":"","id":"Pwmmd2cS8oS86WxSE4icjArLnCg"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"16、开水不着火或低温时熄火","id":""}],"text":"","id":"SuymdkuGso22GKxiCyoczW8CnNg"},{"type":"paragraph","children":[{"type":"text","text":"(1)水压偏低因水压低,而无法打开水气联动阀,燃气就无法出来被点燃。","id":""}],"text":"","id":"HK6MdKA6EoYuAYxYHsHcZvbwnpg"},{"type":"paragraph","children":[{"type":"text","text":"(2)水阀的橡胶薄膜破损、变形或偏心更换橡胶薄膜。","id":""}],"text":"","id":"R0i2d2SggoKQuoxIDE8cC9mWnsh"},{"type":"paragraph","children":[{"type":"text","text":"(3)进水管滤网堵塞、淋浴喷头堵塞以及水阀内的文氏管松动︰平时必须经常清理。使热水器保持较佳使用状态。","id":""}],"text":"","id":"S4yEdsWiOoYWSWx0u7kcVaEXnhc"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"17、开水熄火或未开水着火","id":""}],"text":"","id":"ZwUsd68qWo4uSQx2J4lcWusznLd"},{"type":"paragraph","children":[{"type":"text","text":"(1)冷热水阀门漏水或关闭不严,使热水器内有一定水压,打开水气联动阀而造成此故障更换或关严冷、热水阀门。","id":""}],"text":"","id":"Uugadk64UoYcyqxe4Vscr8f5nkg"},{"type":"paragraph","children":[{"type":"text","text":"(2)水气联动阀内顶杆被卡死,或长期停用顶杆被粘着,胶圈变形造成顶杆运动缓慢而不熄火拆下顶杆清洗,并加润滑油。","id":""}],"text":"","id":"CwEYdY4IuoKY0exms6scEj7Onid"},{"type":"image","attrs":{"height":585,"note":[{"type":"text","text":"故障检修","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/67d4303afc8f4cbdbac1a27d12465b66","width":774},"text":"","id":"YAQedQOUcomSAyxugZHcaQaDnJb"},{"type":"paragraph","children":[{"type":"text","text":"(3)水气联动阀的气阀门弹簧器日久弹力不足更换弹簧。","id":""}],"text":"","id":"X4YKdWo4cocO2qxkRn2c3nCLngC"},{"type":"paragraph","children":[{"type":"text","text":"(4)水阀进水管因无滤网,造成杂质卡死水阀顶轴而不炮火﹑先清洗干净水阀内部,再在进水管补加滤网,以保证水质干净。","id":""}],"text":"","id":"LgImdA6UkouQ4AxCsYYcUbTMnVf"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"二、故障代码与解决方案","id":""}],"text":"","id":"M6ISdc8sUoYKsExe2QAc2tK2noh"},{"type":"paragraph","children":[{"type":"text","text":"现在很多产品都自带有自检功能,会根据提示告诉你产品出现了什么问题,让用户能快速找到问题,并且解决问题,相当的智能化人性化。","id":""}],"text":"","id":"KwaEdO0iEouYI6xEByNc5lvjngg"},{"type":"image","attrs":{"height":8304,"note":[{"type":"text","text":"故障检修","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/2a869e8cc069406ea3f5408b5f370b2a","width":616},"text":"","id":"XGAYdoqIaosoGWxsjUscVsaCn9e"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"保养","id":""}],"text":"","id":"BqqUd6y6coM8OAxQv08cmAINned"},{"type":"paragraph","children":[{"type":"text","text":"一、使用时应经常检查常明火是否正常工作,有无阻塞;如火焰微弱,应立即关闭燃气气源开关,待清除垢物后,再行点燃。","id":""}],"text":"","id":"Le6Md0ymAoA6aOxszUUcXzVRn3e"},{"type":"paragraph","children":[{"type":"text","text":"二、热水器使用一段时间(一般为半年左右)后,应对水管、燃气管、容积式热水器的水箱等进行除垢,以防过滤网(见下图)被堵。水箱有沉积物,会影响热水器的正常使用。","id":""}],"text":"","id":"W6aad4u04o82Gyx2FDkcL3lTnOZ"},{"type":"imageList","children":[{"type":"image","attrs":{"height":753,"note":[{"type":"text","text":"保养","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/27083823e9974b858eeaaf57205f769f","width":750},"text":"","id":"EqWcdqcaCoc00exAt9BcNQbEnNg"},{"type":"image","attrs":{"height":697,"note":[{"type":"text","text":"保养","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/0a4c488af03148dbbef0aa77f5e12b43","width":861},"text":"","id":"OswidMM6sokaUExoz5oc2ofrnld"}],"text":"","id":"F406d6kySoiey4x62aAcU2zynCf"},{"type":"paragraph","children":[{"type":"text","text":"三、每隔数月,应清除热水器排气口、进气排气筒、热交换器及周围积炭和灰垢。如果发现大量积炭或有许多阻塞物时,可将热水器卸下,倒过来轻轻清除,也可用自来水冲洗,冲洗时严禁将水溅到燃烧器喷嘴和常明火上,待干燥后再安装使用。","id":""}],"text":"","id":"F406d6kySoiey4x62aAcU2zynCf"},{"type":"paragraph","children":[{"type":"text","text":"四、一般情况下,热水器使用一年后,应对其做一次全面检查,查清供气和供水系统的各个装置是否完好、正常,有无漏气、漏水等异常现象。","id":""}],"text":"","id":"OmeCd8uScoQ28ixGu7Mcj6Y4nHc"},{"type":"paragraph","children":[{"type":"text","text":"五、如使用的水质较硬,应在热水器的前端装配一水质软化装置,并及时清除热交换盘管(即蛇形管)或水箱的水垢。","id":""}],"text":"","id":"CuSGd6oGeoG6SoxSYucccWXUnke"},{"type":"paragraph","children":[{"type":"text","text":"六、经常擦试外壳。","id":""}],"text":"","id":"HieqdSA6Wo860ixeaf0cviZqnqe"},{"type":"heading","attrs":{"level":1},"children":[{"type":"text","text":"太阳能热水器","id":""}],"text":"","id":"WwScdUiE2oIC6Sxqa4xciFgbn8c"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"结构原理","id":""}],"text":"","id":"LqSidYs6WoomAOxKAMvcfN1FnQh"},{"type":"paragraph","children":[{"type":"text","text":"太阳能热水器一般由集热器、贮热装置、循环管路、辅助装置及淋浴喷头等部分组成。","id":""}],"text":"","id":"Q2OqdWCMQoiuIox67v2cQ7S1nsb"},{"type":"image","attrs":{"height":452,"note":[{"type":"text","text":"结构原理","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/f518d1b3987f48128d5edf1d5a9af5b1","width":603},"text":"","id":"D4AydYeMeoI44sx2HrmcvYqonsf"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"一、集热器","id":""}],"text":"","id":"HWyMdogGaoe0SUxgn3dcINFYnFg"},{"type":"paragraph","children":[{"type":"text","text":"集热器是太阳能热水器的关键部件,其性能好坏,对热水器的性能起着决定性的作用。按收集太阳能的不同原理,可分为平板型集热器和聚光型集热器两种。聚光型集热器只能聚集太阳的直射辐射能,需要对太阳进行跟踪,增加了装置成本,只有在需要附到较高温度等特殊场合使用;平板型集热器是目前应用较广泛的一种,它不仅能吸收太阳的直射辐射,还可以收集太刚的散射辐射。","id":""}],"text":"","id":"Do2KdKEkuokQQyx6hLecByWvn5c"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"二、贮热装置","id":""}],"text":"","id":"UOU4dc0Sio4uSsxWuEZcauvDnDe"},{"type":"paragraph","children":[{"type":"text","text":"贮热装置通常作为短期贮存热水、减少热损失的容器,贮热效果主要取决于装置保温性能的好坏。","id":""}],"text":"","id":"Q8wcdUSOwooKUaxmmj7cu8eyn9c"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"三、循环管路","id":""}],"text":"","id":"YYAqdO6AqoSWqux0A2dcHm6cnvg"},{"type":"paragraph","children":[{"type":"text","text":"循环管路的作用是连通集热器、贮热水箱,形成一个完整的循环加热系统。","id":""}],"text":"","id":"Pg6wdK8AMo4yWsxAbKRcuRTxnTh"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"四、辅助装置","id":""}],"text":"","id":"CwSadUGGGoWcCgxXXXMcWBTwnnh"},{"type":"paragraph","children":[{"type":"text","text":"辅助装置的作用是使整个热水器装置能正常工作,并通过仪表加以显示。辅助装置包括水位显示装置、温度显示装置、循环泵、控制系统及辅助热源等。","id":""}],"text":"","id":"MqAYdGcOWoqK6GxEzFZcYnStnwd"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"故障检修","id":""}],"text":"","id":"BmcAdEMMMoQkI4xwxsGcnlx3nkf"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"一、太阳能热水器的常见故障及排除方法见下表。","id":""}],"text":"","id":"FEAsdsoAqoa2KwxuGlucf6WEnZf"},{"type":"imageList","children":[{"type":"image","attrs":{"height":276,"note":[{"type":"text","text":"故障检修","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/22e275a6509142acbb6029ea83f1eac1","width":966},"text":"","id":"QyM4dcwYeoqIiUxikNrcRcSXnLb"},{"type":"image","attrs":{"height":517,"note":[{"type":"text","text":"故障检修","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/eb615d2c769f443ea1c7f95292001079","width":959},"text":"","id":"OUWkdaoqsoaeCGxY7F5cSJyNnbb"}],"text":"","id":"FYIwdc6ySosIM2xO8rPcfC5DnKP"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"二、故障代码与解决方案","id":""}],"text":"","id":"FYIwdc6ySosIM2xO8rPcfC5DnKP"},{"type":"image","attrs":{"height":578,"note":[{"type":"text","text":"故障检修","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/3b7a96a809dc4593adca37f02d17874b","width":791},"text":"","id":"Ccewd2eE6ogoISxyaEic88jqnsg"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"保养","id":""}],"text":"","id":"TMWadoKWko4iIixSqg4csuginVb"},{"type":"paragraph","children":[{"type":"text","text":"必须经常保持集热器上盖的清洁;要防止空晒;使用一定时间后,应进行清洁处理,排除沉积的污垢;冬季停用时,必须将集热器及管道中的水排净,以防冻裂。","id":""}],"text":"","id":"HIyIdM6keoy62WxqKC6crhC9n5c"},{"type":"paragraph","children":[{"type":"text","text":"以上就是对热水器如何维修问题的介绍,希望能对您有所帮助!","id":""}],"text":"","id":"G8qodwci8oYu8ex2FQmcczjmnff"}]%3C%2Fhowto_content%3E

iqooz3怎么打开sa开关?

手机终端打开SA模式操作步骤:[设置]-[系统与管理]-[开发者模式]-[勾选SA开关]。

as是智商的简写吗?

智商的简写是IQ,intelligence quotient

发布于 2023-02-22 13:45:02
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