[ Instrument R & D of Instrument Network ] On March 27th, a special model patent of Zhuhai Testing Institute of Guangdong Special Equipment Testing Research Institute-"An anti-shear elevator car door system based on pressure sensing" and a design patent The Elevator Door Lock Engagement Length Detector was authorized by the State Intellectual Property Office.
The accidental movement of the elevator car causes the elevator door frame to squeeze and shear the passengers. This is a very dangerous accident. Once it happens, the consequences are extremely heavy and often cause passenger casualties. "A kind of anti-shear elevator car door system based on pressure sensor" utility model patent is aimed at the shortcomings of the prior art, and proposes an anti-shear elevator car door system based on pressure sensor, by monitoring the running status of the car It also detects whether it is sheared or squeezed, and promptly reminds the relevant parts to stop the car. It is versatile, reasonable and safe. It can be used in the factory, new installation and regular installation of the elevator, and has great practical value.
The patent of the "Elevator Door Lock Engagement Length Detector" patent is the latest scientific research achievement of the original Guangdong Science and Technology Bureau "Research on Elevator Door Door Engagement Depth Detection Device". Aiming at the shortcomings in the current inspection process of door lock engagement depth, this project developed a new type of detection equipment. Through the research on existing different types of elevator door locks, non-contact current on-off detection switches and high-precision displacement sensors are used to make The measurement of the locking depth of the door lock is more versatile and effective. The detection device does not cause any damage and interference to the door lock circuit, which ensures the independence of the detection process and has good practicality.
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