Hoist speed governing collision avoidance system based on PLC control

The utility model discloses a hoist speed governing collision avoidance system based on PLC control, its structure includes PLC, PLC includes signal input module and feedback module, the signal inputmodule with be connected apart from setting module, be connected with the encoder apart from setting module, feedback module is connected with the signal conversion module, signal conversion module and infrared ray monitor, PLC includes signal display module, alarm module and converter, the signal display module is connected with the display screen, alarm module is connected with the speaker, theconverter is connected with travel switch. Through the design of infrared ray monitor, can be effectual monitors the hoist during operation, avoided the hoist appear with the phenomenon of other equipment collision, the security in the hoist use has improved, reduced the damage probability of hoist, through the design of converter, speed in the time of effectually making things convenient for controlled drive motor to rota