Heat dissipation device for mining area machine room cabinet

The utility model discloses a heat dissipation device for a mining area machine room cabinet in the technical field of machine rooms. The heat dissipation device comprises a heat dissipation fan, an air conditioner, a gas collecting pipe, a plurality of breather pipes and a temperature monitoring unit, the cooling fan is installed on the rear end face of the cabinet, and the air conditioner is installed in the machine room. The gas collecting pipe mounting frame is arranged in the machine room, and one port part faces an air outlet of the air conditioner; the upper ends of the ventilation pipes are communicated with the gas collecting pipe, the lower ends of the ventilation pipes are correspondingly connected to the cabinet, and through holes for communicating the ventilation pipes are formed in the top of the cabinet; the temperature monitoring unit is used for monitoring the temperature in the machine room and starting the air conditioner when the temperature reaches the upper limit. The equipment cabinet i