Compressed air monitoring and early warning system of transmission production line

The utility model belongs to the technical field of pressure monitoring of transmission production lines, and discloses a compressed air monitoring and early warning system of a transmission production line, which comprises an air compressor, a pressure transmitter, a PLC (Programmable Logic Controller) and a pressure maintaining system, the pressure transmitter is arranged at the tail end of the compressed air pipe network; the input end of the PLC is connected with the transmitter, and the first output end of the PLC is provided with an early warning device; the pressure maintaining system is in communication connection with the second output end of the PLC, and the pressure maintaining system is used for providing second compressed air for the gas utilization equipment. According to the utility model, the second output end of the PLC is in communication connection with the pressure maintaining system, so that pressure compensation can be carried out on the gas equipment when a pressure detection value is l