Monitoring device of coal mine underground locomotive transportation system

The embodiment of the utility model discloses a monitoring device of a coal mine underground locomotive transportation system, which comprises a monitoring host and a monitoring extension set, and ischaracterized in that the monitoring host comprises a liquid crystal display screen, a light control key, an audio receiver and a main communication module; the monitoring extension set comprises an extension set and a monitoring module, wherein the extension set is mounted in front of the transport locomotive or on the mine car; the system comprises a camera, a flash alarm, an audio loudspeaker and a sub-communication module. Wherein the camera is used for collecting video information of the field environment of the transportation system and sending the video information to the monitoring host through the sub-communication module, the flash alarm is used for carrying out light alarm according to the light control key state, and the audio frequency loudspeaker is used for amplifying the audio frequency information