The invention relates to a method for detecting door opening dangerous cases in operation of an elevator. The method includes the following steps that (1) a system for detecting the door opening dangerous cases in operation of the elevator is provided; and (2) the system is used for detection. The system comprises an upper lift car optoelectronic switch, a lower lift car optoelectronic switch, a computer control device, a car door state detection device and a plurality of floor plug boards. The upper lift car optoelectronic switch, the lower lift car optoelectronic switch, the car door state detection device and the floor plug boards are used for detecting whether the door opening dangerous cases in operation of the elevator happen or not in a combined mode. The computer control device is used for determining an alarm strategy according to a combined detection result. By means of the method, the sudden door opening dangerous cases in operation of the elevator can be automatically identified.
Method for detecting door opening dangerous cases in operation of elevator
2015-12-02
Patent
Electronic Resource
English
IPC: | B66B Aufzüge , ELEVATORS |
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