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接触器三种自锁接线图

来源：baiyundou.net   日期：2024-06-26

电工们看看吧，上百种电路，不一定你们都懂一、日光灯类：























































二、断路器、接触器控制回路：
























三、电动机



































































延时






















四：热电偶


































五、电能表






























































六、其他






























电工电路中断路器和交流接触器接线图

断路器主要用作供电线路的保护开关、电动机及照明系统的控制开关，也可用于输、配电系统的某些重要环节。当线路发生短路、过载、欠压等故障时切断故障电路.
　　接触器在机床中用于频繁的接通和分断大电流的电路，具有动作迅速、操作方便和便于远距离控制的特点，但本身不具备短路保护和过载保护能力，因此必须与熔断器、热继电器配合使用.

　　接触器的接线方法有很多种，用的地方不一样，接线方法也不一样，这里指的是接触器的单一接法和多个接触器的接法，一般最常见的就是利用断路器、

按钮开关、热继电器、延时继电器、数字继电器等低压控制元器件产品组合。 其实，无论你用什么接触器其功能和工作原理都是一样，无非是外形不一样。

　　主触头：三个主触头（用来接主控制电路）。

　　辅助触头：现在常用的接触器有CJX1、CJX2接触器这两个产品在辅助触头上有区别，CJX1是由四组辅助触点，可分为2NO(常开）、2NC(常闭），而CJX2从9A-32A都是有一组辅助触头，可组装成 10表示常开；01表示常闭。

　　控制电源：这里就是我们说的线圈电压，正常使用的一般为220V,380V,特殊伏数有12V，24V，36V，48V，72V，110V等。


　　以下介绍电工施工中一些断路器和接触器控制回路接线图:

CJ10-10接触器控制电路

 

接触器接线图-电路实例讲解

 

接触器接线图

　　顺序启动、停止控制电路是在一个设备启动之后另一个设备才能启动运行的一种控制方法，常用于主、辅设备之间的控制，如上图当辅助设备的接触器KM1启动之后，主要设备的接触器KM2才能启动，主设备KM2不停止，辅助设备KM1也不能停止。但辅助设备在运行中应某原因停止运行（如FR1动作），主要设备也随之停止运行。

工作过程：

　　1、合上开关QF使线路的电源引入。

　　2、按辅助设备控制按钮SB2，接触器KM1线圈得电吸合，主触点闭合辅助设备运行，并且KM1辅助常开触点闭合实现自保。

　　3、按主设备控制按钮SB4，接触器KM2线圈得电吸合，主触点闭合主电机开始运行，并且KM2的辅助常开触点闭合实现自保。

　　4、KM2的另一个辅助常开触点将SB1短接，使SB1失去控制作用，无法先停止辅助设备KM1。

　　5、停止时只有先按SB3按钮，使KM2线圈失电辅助触点复位（触点断开），SB1按钮才起作用。

　　6、主电机的过流保护由FR2热继电器来完成。

　　7、辅助设备的过流保护由FR1热继电器来完成，但FR1动作后控制电路全断电，主、辅设备全停止运行。

常见故障；

　　1、KM1不能实现自锁：

　　分析处理：

　　1)、KM1的辅助接点接错，接成常闭接点，KM1吸合常闭断开，所以没有自锁。

　　2)、KM1常开和KM2常闭位置接错，KM1吸合式KM2还未吸合，KM2的辅助常开时断开的，所以KM1不能自锁。

　　2、不能顺序启动KM2可以先启动；

　　分析处理：

　　KM2先启动说明KM2的控制电路有电，检查FR2有电，这可能是FR2接点上口的7号线，错接到了FR1上口的3号线位置上了，这就使得KM2不受KM1控制而可以直接启动。

　　3、不能顺序停止KM1能先停止；

　　分析处理：

　　KM1能停止这说明SB1起作用，并接的KM2常开接点没起作用。分析原因有两种。

　　1)、 并接在SB1两端的KM2辅助常开接点未接。

　　2)、 并接在SB1两端的KM2辅助接点接成了常闭接点。

　　4、SB1不能停止；

　　分析处理：

　　检查线路发现KM1接触器用了两个辅助常开接点，KM2只用了一个辅助常开接点，SB1两端并接的不是KM2的常开而是KM1的常开，由于KM1自锁后常开闭合所以SB1不起作用。

两台电动机顺序起动、顺序停止电路接线示意图 

另介绍一种改进交流接触器接线方法:

　　交流接触器等电气设备的接线端子有很多是采用拱形垫片的。这种接线方法对一个接线端子接一个线头是不成问题的，但要同时接几个线头或粗细不等的线头时，就会产生接触不紧密、螺钉易松动的现象。尤其当接触器用于频繁吸合和释放时，接线端子上的螺钉更易松动。这样就使拱形垫片与线头之间的接触电阻增大，甚至脱离，造成电气设备不动作或发生单相运转等故障。针对上述情况，交流接触器接线端子是拱形垫片时的正确接线方法应是：

　　先在拱形垫片下加两个平垫圈，接线时先把细线或软线弯成一大半圆圈，套在两个平垫圈之间，然后把粗线压在拱形垫片下，把螺钉拧紧，这样无论怎样振动，都和接线端子只接一个线头一样牢固和安全。



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冷屈左4892三相接触器怎么接控制线? -
纪闹薛17394285072 ______ 接在接触器的线圈线上,也就是在接触器的侧面有的有两根线,有的是三根线三根线是有两根是通的,方便位置接线.如果是三根线看清上面字母再接,比如1A.2A.1A,要接1A. 和2A,两个1A是同一根线随变那根都行,一定不要接两个1A . ...

冷屈左4892380接触器怎么接线? -
纪闹薛17394285072 ______ 如下图: 首先电源三相分别接接触器的主触点L1,L2,L3,再从接触器的T1,T2,T3接出三根线接电机的三个接线柱,以上是主电路. 控制电路:从L1引出一根线接停止按钮(停止按钮是常闭的,启动按钮是常开的)从停止按钮出来接启动按钮一...

冷屈左4892接触器如何接线.能自锁.一个起动开关.一个停止开关 -
纪闹薛17394285072 ______ 如果接触器线圈电压是380v一根火线连接起动开关常开点将接触器的辅助常开点并联,串联停止开关常闭点连接接触器的线圈A1将另外一根火线连接到A2上你不懂建议别弄设备烧了就麻烦找个电工帮你花点钱是小,出了事就麻烦

冷屈左4892接法接触器 -
纪闹薛17394285072 ______ 第1张图为接触器的基本说明.了解了接触器的基本构造,那么我们通过第2张实物接线图来说接触器的工作原理.图2为基本的接触器自锁线路.从图2可以看出3相电源通过转换开关经过保险丝至接触器输入端.输出到负载.L2分支经过保险丝...

冷屈左4892自锁电器电路图
纪闹薛17394285072 ______ 这个是一个简单的电路,仔细按照要求做好每个逻辑功能的互联即可.方案有几种,这里只简单给你介绍一种典型的电路.(时间关系图略) 1、本电路要用到D1(大电机)接触器的两组常开触点:一组作为D1的自保,另一组做D2(小电机)...

冷屈左4892求接触器自锁如何接线?
纪闹薛17394285072 ______ <p>我正在画的一个电气图上的部分,图中的接触器的方式就是自锁,怎么得到220的电,接线的时候通过线圈就得到了啊,和图中那样</p> <p></p>

冷屈左4892交流接触器互锁实物接线图,只要接触器正反转的就可以,不用别的元件 -
纪闹薛17394285072 ______ 不要其他 器件 那怎么控制? 要互锁 很好实现的,这两接触器 都带 一个常闭的辅助触点 就可以了,下面是 加两个 按钮的 控制 动作. 220VAC-------自锁按钮 1 ---- 2KM 的 常闭点 ---- 1KM 的 线圈-----0V 220VAC-------自锁按钮 2 ---- 1KM 的 常闭点 ---- 2KM 的 线圈-----0V 要做到互锁 就是 两个 接触器 的 常闭点 对 彼此 线圈的 控制,只要做到这个就可以实现.

冷屈左4892cjx2(nc220v)交流接触器自锁接线图 -
纪闹薛17394285072 ______ 注意要用接触器的常开触点.线圈接A1和A2.望能采纳.

冷屈左4892直流接触器接线图 -
纪闹薛17394285072 ______ 直流电接触器接线方式在详细点好吗

冷屈左4892两个接触器互锁怎样接,线图
纪闹薛17394285072 ______ 三相电机交流接触器联锁正反控制接线图,百度图片里有很多,接线比较简单,用自己的逻辑思维接线画图,很简单根据条件来接.电器清单共用3个按钮 两个接触器先画两个启动按钮分别接线圈,因为是正反转要互锁,所以在电路中在加接触器互锁和按钮互锁.这样只能点动,要自锁所以要在各自的回路中加自锁.加完自锁没有停止,然后在两个启动按钮前面加停止按钮.如果要加工作指示,就把两个工作指示灯并联到两个接触器线圈两端.如果要加电源指示,就把信号灯并联到电源上

（编辑：自媒体）
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