Non-contact proximity switch and valve position indicating system

The invention provides a non-contact proximity switch and a valve position indicating system, and relates to the technical field of switch control. The proximity switch is used for solving the problems that when vibration exists in the working environment of an existing proximity switch, vibration o...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ZHANG DONGMING, ZHANG HENGLEI, LIU GUIXING, WANG XU, MA XUSHENG, TANG QIUHUA, YAO XUDONG, CHEN FENG, CHEN YIBIN, TAO YUJIE
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRIC SWITCHES ELECTRICITY EMERGENCY PROTECTIVE DEVICES RELAYS SELECTORS
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