Device for prevent that elevator car from stopping in unexpected system that removes in door district

The utility model discloses a device for prevent that elevator car from stopping in unexpected system that removes in door district, including elevator control system CPU, said CPU output connects gradually relay drive circuit, relay K1, relay K1's winding connection relay drive circuit, two no...

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Bibliographische Detailangaben
Hauptverfasser:	HUANG GUANGMING, JIANG DALIANG, WANG JIANFEI, WANG GUOHONG, YU XIAOXUAN, PANG XIANFENG, QIAN GUOHUA, WANG JIANQI, WANG SHUCHONG, WU YING, ZHANG JUERONG
Format:	Patent
Sprache:	eng
Schlagworte:	ELEVATORS ESCALATORS OR MOVING WALKWAYS HAULING HOISTING LIFTING PERFORMING OPERATIONS TRANSPORTING
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