1、用中间继电器作为缺相保护装置的线路
2、脚踏开关踩气缸动作实物彩图接线
3、浮球开关的工作原理讲解
4、常用元件代号及图形符号的画法
5、电工必学的7个基础程序-自锁-多点启停-点动加联动运行
6、电工必学的7个基础程序-延时接通、延时断开-交替输出
7、电工必学的7个基础程序-连锁和互锁-闪烁电路
8、220V电机的倒顺开关实物彩图接线方法
9、变频器电路的接线方法
10、时间继电器的接线方法-实物彩图
11、以太网跟PLC通信电路实物图
12、正反转电路实物彩图接线方法
13、互感器与电表的实物彩图接线方法
14、自制温控风扇电路实物彩图方法
15、星三角380V主电路实物彩图接线方法
16、电接点压力表实物彩图接线电路图
17、接触器实现单开双控的实物彩图接线方法
18、空气能热水循环系统电路
19、变频器接线实物彩图电路展示
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乌俊腾2793这个互锁电路图怎么理解?详细些 -
宇夜侨18223996842 ______ 这是一个三相电机正反转电路. 用图来说明: 1图、当SB2按下时,电流通过K1、SB2、M2-2给J1供电,KM1吸合(电机顺转),同时常开点M1-1也吸合接通.此时就可松开SB2,这叫自锁,M1-1叫自锁开关. KM1吸合同时常闭点M1-2断开,切断J2的供电回路使J2无法吸合,这叫互锁. M2-2是KM2的常闭点,只有J2断电释放、KM2断开时才会接通,所以叫互锁开关. 2图同样道理,楼主自己去体会. (1)图和(2)图所标MK1、MK2与下面KM1、KM2是同一回事.
乌俊腾2793考试正反转双重联锁配盘实物图 -
宇夜侨18223996842 ______ 按钮,接触器正反转双重联锁
乌俊腾2793求电力拖动里面的的自锁正反转控制电路的配线图 -
宇夜侨18223996842 ______ 电力拖动里面的的自锁正反转控制电路的配线图如下: 实物图和接线图: 电力拖动:以电动机作为原动机拖动机械设备运动的一种拖动方式.又称电机传动. 组成:电力拖动装置由电动机及其自动控制装置组成.自动控制装置通过对电动机起动、制动的控制,对电动机转速调节的控制,对电动机转矩的控制以及对某些物理参量按一定规律变化的控制等,可实现对机械设备的自动化控制.采用电力拖动不但可以把人们从繁重的体力劳动中解放出来,还可以把人们从繁杂的信息处理事务中解脱出来,并能改善机械设备的控制性能,提高产品质量和劳动生产率.
乌俊腾27931、主电路与控制电路如图1,(1)分析并说明电路功能;(2)说明什么是自锁、什么是互锁. -
宇夜侨18223996842 ______ 这是控制电机正反转电路.左边是主电路,右边是控制电路.SBO是停止按钮.SB1与SB2是二个正反转按钮、 当SB1按下时,电流通过SB1,使得KM1继电器得电,KM1常开触头闭合,常闭触头断开.这时,KM2继电器上方的KM1常闭触头...
乌俊腾2793要这个正反转的图实线图和实物图,要能看清楚的 -
宇夜侨18223996842 ______ KM1一个启动开关,KM2一个启动开关,两个接触器公用一个停止开关,然后KM1接一个自锁,KM2接一个自锁,再把两个接触器互锁一下(互锁就是KM1的线圈线串到KM2的辅助常闭点,KM2的线圈线串到KM1的辅助常闭点),然后一次线路KM1主触点上桩3根线分别接一个触点,下桩接电机;然后把KM1上桩3根线,再跳到KM2上桩(注意在跳线的时候要调还任意两根线的线序),然后再把KM1下桩的电机线,安顺序跳到KM2的下桩.现在正反转就接好了.
乌俊腾2793电动机正反转双重联锁怎么接线? -
宇夜侨18223996842 ______ 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
乌俊腾2793双重联锁的正反转控制电路图分配表 -
宇夜侨18223996842 ______ 电机正反转接线法,加上图贴是为了有需要的好友在工作中所遇到问题时有所帮助,下面是双重联锁的正反转控制的工作原理和双重联锁的正反转控制线路原理图. 一.双重联锁的正反转控制的工作原理 将火线接进热继电器(fr),然后出来接入...
乌俊腾2793电工高手帮我,画一个自锁 互锁 连锁电路?面试电工用的啊!帮帮忙. -
宇夜侨18223996842 ______ 第一个图是按动按钮开关sb2接触器km1线圈得电,这个时候接触器常开点吸合,km1常开点闭合,这时松开sb2按钮,km1线圈不会失电,会继续吸合,这就实现了自锁,要线圈断开即停止工作,就按动常闭按钮sb1就断开了线圈的电,这时接...
乌俊腾2793双重连锁正饭转和连锁正反转之间有什么区别 -
宇夜侨18223996842 ______ 双重连锁不但辅助触点互锁,按钮也互锁,连锁正反转只是辅助触点互锁. 双重连锁可以直接按反方向按钮运行,连锁正反转要先按停止按钮,再按反方向按钮. 连锁正反转如果同时瞬间按住两个按钮,两个接触器会同时吸合造成短路,双重连锁正反转则不会. 连锁正反转实物图: 双重连锁实物接线图: 接触器互锁:KM1合闸,KM2回路永远不通,因为KM1常闭断开.同理KM2合闸,KM1也不会通.这就是为了防止三相短路. 按钮互锁:SB1按下通,SB2断开.同理SB2按下通,SB1 断开,不让SB1、SB2同时导通的机会.
