Backup power supply of remote control explosion-proof switch device

The utility model discloses a backup power supply of a remote control explosion-proof switch device, and relates to the technical field of backup power supplies, the backup power supply comprises a housing, one side surface of the housing is provided with a heat dissipation port, the outer side of the housing is fixedly connected with a fixed housing, the fixed housing and the heat dissipation port are arranged correspondingly, a heat dissipation assembly is arranged in the fixed housing, and the heat dissipation assembly is connected with the housing. A plurality of sets of ventilation openings are symmetrically formed in the two sides of the shell, first dustproof nets are installed in the multiple sets of ventilation openings, a notch is formed in the bottom face of one side in the shell, and a movable plate is arranged on the side, away from the notch, in the shell. Through the design of the moving assembly, the driving motor rotates, the output end of the driving motor drives the driving gear to rotate,