["1. 限位开关

2018-10-16View Original

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限位开关是什么？有什么用处？在化工生产中什么地方用限位开关？起到什么作用？

Reply #22018-10-16

限位开关又称行程开关，可以安装在相对静止的物体(如固定架、门框等，，，，，，，，，，，，，，，，，，，，，，）上或者运动的物体(如行车、门等说，，，）上。当物体接近静止物体时，开关的连杆驱动开关的接点引起闭合的接点断开或者断开的接点闭合。由开关接点开合状态的改变去控制电路和电机。

Reply #32018-10-17

在自清洗过滤器两端有限位开关。电机带动转动并纵向移动的轴上上上上上上有一个圆盘。当轴向一端移动到圆盘触碰限位开关时电机就停止转动。一次自清洗过程结束。

Reply #42018-10-23

目前，好多的控制阀为了安全生产，也有好多增加了限位器。

Reply #52018-10-26

你说的应该是Limit switch用于阀说开关的行程控制"

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["1. 限位开关

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