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Hefei Three Roller Gates

2016-11-22 10:48:32 Article source: http://junpairhy.com/click :
In addition to the different door leaf movement methods, the main differences between walkway products are that materials of different grades have relatively large differences in material technology, motor drive and control systems. Product selection requires consideration of many factors.
1. Personnel safety: high security personnel access guarantee
It is mainly to understand the mechanisms of pedestrian passage products in terms of personnel movement trajectory and behavior recognition detection, anti-pinch mechanism for illegal entry of personnel, emergency response processing in emergency situations, etc. These aspects are also the basis for ensuring high safety of pedestrian passage products.
Pedestrian passage products set a certain number of on-air detection points at different positions inside the passage. When a person passes, the limbs will cover the detection points. Multiple detection points form an effective identification of the movement trajectory and behavior of the passing person. Performance The tracking traffic logic detection algorithm running in the center controller of ARM9 technology achieves high-efficiency logical judgments and drives the response action of the doorways of the pedestrian passageway. High-end pedestrian passageway products generally do not use the traditional point infrared detection method. Instead, an LED high-density matrix-type infrared detection light curtain is used to determine the location area, status, passing direction, and validity of authorization verification for pedestrians in the passage, and perform calculations and analysis to make corresponding judgments. Tracking detection method is adopted to protect pedestrian safety. The greater the number of sensor points, the better the safety and functionality, but at the same time the more complex the logic algorithm. The anti-pinch protection function of the product is achieved through the door unit and the pass detection system. A guard sensor is triggered and the channel is left open. And when the door of the aisle is closed when it is blocked by an object, the door will immediately become free, so as to prevent the pedestrian from being pinched and ensure the safety of our pedestrians.
Emergency handling function in case of emergency. Pedestrian channel equipment should reserve fire signals. When a fire signal warning or power failure is received, the door leaf will be automatically unlocked and become a free state, forming an emergency evacuation barrier-free passage. It will not cause accidents. This emergency function can also be used to set and switch the running status of the channel through the remote channel monitoring management system. (To be continued)