Automatic revolving door resistance stopping system and resistance stopping method

Abstract

The invention provides an automatic revolving door resistance stopping system and resistance stopping method. The automatic revolving door resistance stopping system comprises a motor for driving revolving door leaves to operate and a controller, a motor main shaft is provided with a revolving encoder for detecting the revolving speed of the revolving door leaves, the revolving encoder is connected with a counter, and the controller receives the pulse number of the counter and controls the motor to operate. When the revolving door leaves are hindered, the revolving encoder detects that the revolving speed is reduced, and the controller controls the motor to stop revolving or revolve reversely. The automatic revolving door resistance stopping system can be installed on a revolving door of any type, installation is simple, and extra equipment does not need to be added to the revolving door. In combination with the above resistance stopping method, the automatic revolving door resistance stopping system does not have a blind area, and recognition can be achieved as long as the revolving door leaves bear resistance. The system is good in flexibility and adjustable in sensitivity, a man-machine platform is utilized, the flexibility can be adjusted just by increasing the line number of the encoder, and the system is quite convenient to use. The resistance stopping method is sensitive in reaction and is high in recognition speed and reaction speed compared with an electric current detection method, and squeezing of pedestrians is eliminated timely.

Description

technical field [0001] The invention belongs to the technical field of automatic revolving doors, in particular to an automatic revolving door blocking system and a blocking method. Background technique [0002] With the rapid development of social economy, the market share of automatic revolving doors has been greatly improved. However, there have been many accidents of automatic revolving doors crushing and pinching pedestrians in newspapers and various media, exposing the safety problems of automatic revolving doors in the use process, that is, automatic revolving doors are harmful to pedestrians, especially small objects ( children or pets) lack more effective safety measures. [0003] The existing safety protection measures for revolving doors include active infrared anti-pinch sensors and horizontal safety beams. The above two are active protection. Due to the limited range and installation location, it is difficult to trigger objects with better light transmission (...

AI Technical Summary

Problems solved by technology

[0004] The present invention aims at the technical problem that the existing revolving door lacks a responsive passive blocking system, and cannot quickly stop the extrusion of the revolving door to pedestrians when an accident occurs, so as to avoid continuous damage, and proposes a blocking system based on a rotary encoder. It can avoid injury when other protective measures can't play a good role. It is responsive and has no blind spots.

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