Mine fire detection system based on power line network

The present invention relates to a coal fire detection system based on power line network, provided underground coal mines, including a camera, an image processor, PLC transmission equipment, PLC monitoring computer and a receiving device, the camera for shooting to the mining area mining area image is obtained, the image processor connected to the camera to perform image processing for the image region to obtain the mining area mining fire condition, the transmitting device and the PLC is connected to the image processor mining transmitting the fire area situation through the power line network to the PLC receiving apparatus, the monitoring computer and the PLC reception apparatus connected to receive the mining region fire situation, a fire alarm and to determine, based on the coal mining area fire situation strategy. By the present invention, it is possible to efficiently transfer the mining area fire condition existing power network of underground mines.