巧用灯泡检测电磁阀

Inspecting Electromagnetic Valve with Bulb

加入续流二极管的电磁阀能达到保护其它电器的目的,本文就改进后电磁阀会出现的几种情况,从生产实践中对比分析,总结出巧用一只合适的灯泡检测内部有续流二极管的电磁阀是否合格的方法。

The electromagnetic valve with a diode can protect other electrical appliances. The author summarizes a way to inspect if such a valve is qualified with a bulb based on the inproved valve.