电源开关中的l1a、l2a、l3a和l1b、l2b、l3b分别代表什么?这种双控开关怎么接?

2025-03-07 01:10:35
推荐回答(4个)
回答(1):

电源开关中的L1A为A路输入端,L2A为A路常闭输出端,L3A为A路常开输出端;L1B为B路输入端,L2B为B路常闭输出端,L3B为B路常开输出端。

接线方式一:

1 · 1布线及接线方法

该接线方式如图2所示。其布线方法是:在其中一个双控开关位(甲)引人1条相线,并且布置1 条平行线到另一个双控开关乙。乙除了从甲开关位布置过来的平行线外,还应该引1条平行线至灯具所在位置,平行线中的1条为中性线。

接线方式一:

1 · 1布线及接线方法

该接线方式如图所示。其布线方法是:在其中一个双控开关位(甲)引人1条相线,并且布置1 条平行线到另一个双控开关乙。乙除了从甲开关位布置过来的平行线外,还应该引1条平行线至灯具所在位置,平行线中的1条为中性线。


1 · 2特点

开关仅实现对相线的控制,符合电器控制中控制相线的要求,较安全。另外,双控开关的接点除接相线及控制线外,没有中性线接人,确保开关操作时不会发生射弧短路故障。

接线方式二:

2 · 1布线及接线方法

该接线方式如图3所示。其布线方法是:甲、乙双控开关均有中性线和相线,然后在甲、乙开关位各引1条单线至灯具所在位置。在这里应该注意,引人2个双控开关的相线必须是同一相,否则不能采用该接线方式。


2.2特点

开关通过对两侧电源的控制实现灯具的异地控制,仅当一端接相线,另一端接中性线时,灯具才亮。因此,无法保证对相线的控制。另外,由于2个开关均接有相线和中性线,所以较易引起相线和中性线的射弧短路故障。

双控开关接线方式的经济性分析

从安全性来讲,方式一比方式二安全;但是,从接线、布线的难易来说,方式二又较方式一有优势。

拓展资料:

双控开关是一种常见的低压控制开关。它由3个接点1、2、3和1块投切片构成(如图1所示),通过投切片的切换来实现中间接点2与其他两个接点1、3的通断。

通常用两个双控开关控制一个灯或其它电器,意思就是可以有两个开关来控制灯具等电器的开关,比如,在下楼时打开开关,到楼上后关闭开关。如果是采取传统的开关的话,想要把灯关上,就要跑下楼去关,采用双控开关,就可以避免这个麻烦。

双控开关外表看起来和普通开关无异,普通开关后面两个接线地方,双控后面三个接线地方。每个做电器的品牌都有双控开关,比较出名的有:西门子,德力西,欧普,金牛,鸿雁等等~

参考资料:百度学术-双控开关的接线方式

回答(2):

这是双刀双掷(双联)开关,字母相同的是一联,这种标示无法区分定触点和动触点,得用表测。通常是标L1、L11、L12,L2、L21、L22,或La、La1、La2,Lb、Lb1、Lb2,其中L1L2、LaLb就是定触点,剩下的就是动触点了。

回答(3):

楼主的几句话虽然简单,却概括扼要,一语道出了我们苦想多年仍不可解的几个重大问题的根本。

回答(4):

控制两盏灯怎么接线

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