Elevator door lock electric switch pre-diagnosis system and method

The invention relates to an elevator door lock electric switch pre-diagnosis system and method. The elevator door lock electric switch pre-diagnosis system comprises a first electric switch, second electric switches, an elevator main control device, a prompt device, a first detection device and seco...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ZHENG SONGHE, WU XIANG, ZHAI YULIN, QIU CHENGDONG
Format:	Patent
Sprache:	eng
Schlagworte:	ELEVATORS ESCALATORS OR MOVING WALKWAYS HAULING HOISTING LIFTING PERFORMING OPERATIONS TRANSPORTING
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