PLC control cabinet of centralized control system

The utility model discloses a centralized control system PLC control cabinet, relates to the control cabinet technology field, and comprises a control cabinet main body, the control cabinet main body comprises a housing, the inner wall of the housing is provided with a heat radiation device, and the inner wall of the housing is fixedly provided with a wire fixing device. Through cooperation of the air blowing device, the rotating shaft, the first fixing frame, the second fixing frame, the flow guide plate, the filter screen and the closing device, hot air in the device is blown out of the device through rotation of the air blowing device, air is filtered through the filter screen and then enters the device, heat dissipation is conducted on the interior, and heat dissipation is conducted through rotation of the motor all around. The motor is driven to rotate, the threaded sleeve is used for driving the telescopic device to move, the first fixing frame rotates through the rotating shaft through the elastic forc