Mine car positioning equipment with low-power-consumption accurate positioning technology is provided

The utility model relates to the technical field of mining communication equipment, in particular to mine car positioning equipment with a low-power-consumption accurate positioning technology, whichcomprises a fixing plate, threaded holes are formed in four corners of the fixing plate, a shell is fixedly mounted at the lower ends of the threaded holes and is of a circular hollow structure, and aconvex block is fixedly mounted in the middle of the lower end of the fixing plate. The convex block is of a semi-circular ball structure and is arranged in the shell, and a middle shell is connectedinto the shell in a sleeved mode. According to the air purifier, air enters the top end in the shell through the annular air channel formed by the middle shell and the shell, then enters the middle shell through the rectangular grooves in the two sides of the middle shell through semicircular drainage of the convex blocks, and finally flows downwards vertically in the middle shell; the annular filter screen is additionally