Black box-based coal mining machine condition monitoring system

The utility model relates to a black box-based coal mining machine condition monitoring system, comprising a coal mining machine black box, an intrinsic safety type vibration acceleration sensor with a coal security certificate, a coal mining machine electronic control system, sensors on all parts and a data analysis software, the coal mining machine black box adopts an embedded mainboard Intel 3945A, a storage medium is a solid state disk of 512 G, has the functions of RS 232 serial port communication and TCP/IP internet access communication, multiple channels are used to acquire vibration acceleration signals, the maximum total sampling frequency is 250 K, 12V/1.5A power supply is realized, the system constitution mainly comprises a Windows XP/E main control module, a data communication module, a vibration signal acquisition module, and a data storage module; the intrinsic safety type vibration acceleration sensor comprises a vibration acceleration sensor, a mine-used signal fire resistant cable and an intrinsic safety type signal conditioning plate; the vibration acceleration sensor picks up a vibration signal of an electromechanical device of an underground coal mine under the working condition, and the vibration signal is transmitted to the intrinsic safety type signal conditioning plate through the mine-used signal fire resistant cable, so as to realize vibration signal acquisition. The black box-based coal mining machine condition monitoring system has a comprehensive monitoring range, multiple monitoring parameters, good real-time performance, and convenience in data storage.