Protection system and protection strategy for forbidding door opening in running process

The invention discloses a protection system and a protection strategy for forbidding door opening in a running process. The protection system for forbidding door opening in the running process comprise a door actuating mechanism, a door pump electromagnetic valve, a three-way electromagnetic valve,...

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Bibliographische Detailangaben
Hauptverfasser:	DUAN MINGJING, DUAN SHULIN, WANG XIANFENG, WENG TAO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CHECKS FOR WINGS DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION FIXED CONSTRUCTIONS KEYS LOCKS SAFES WINDOW OR DOOR FITTINGS WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THEFUNCTIONING OF THE WING
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Beschreibung
Zusammenfassung:	The invention discloses a protection system and a protection strategy for forbidding door opening in a running process. The protection system for forbidding door opening in the running process comprise a door actuating mechanism, a door pump electromagnetic valve, a three-way electromagnetic valve, a first emergency valve, a second emergency valve and an air reservoir, two valve ports of the doorpump electromagnetic valve are connected with the door actuating mechanism, three valve ports of the three-way electromagnetic valve are correspondingly connected with one valve port of the door pumpelectromagnetic valve, the valve port of the first emergency valve and an air outlet of the air reservoir respectively, the valve port of the first emergency valve is correspondingly connected with the valve port of the second emergency valve, and the second emergency valve is connected with the air outlet of the air reservoir. According to the protection system and the protection strategy for forbidding door opening in th