Explosion-proof and intrinsically safe dual-power vacuum electromagnetic starter for coal mine fan

The utility model discloses an explosion-proof and intrinsically safe dual-power vacuum electromagnetic starter for a coal mine fan, and belongs to the technical field of vacuum electromagnetic starters. The technical problem to be solved is to provide the improvement of the hardware structure of the explosion-proof and intrinsically safe dual-power vacuum electromagnetic starter for the coal mine fan. According to the technical scheme, the explosion-proof box comprises two cavities which are arranged in an explosion-proof box shell in a bilateral symmetry mode, the left cavity comprises an inlet wire wiring terminal, an isolation phase-change switch, a contactor KM1, a contactor KM2, an outlet wire wiring terminal, a control transformer T1, an alternating current-direct current power supply module DY1, PLC modules BH1 and BH2 and a switch module JHJ1, and the right cavity comprises an inlet wire wiring terminal, an isolation phase-change switch, a contactor KM1, a contactor KM2, an outlet wire wiring termina