Heat dissipation device of industrial electrical control box

The utility model belongs to the technical field of electrical control boxes, and particularly relates to a heat dissipation device of an industrial electrical control box, which comprises a control box and a heat dissipation box, a cavity is arranged in the heat dissipation box, a refrigeration tank is arranged in the cavity, a booster pump is fixedly connected in the heat dissipation box, the surface of the booster pump is fixedly connected with a circulating pipeline, and the circulating pipeline is communicated with the control box. The two ends of the circulating pipeline are fixedly connected with the refrigeration tank; according to the utility model, the refrigerating tank and the booster pump are arranged to circulate a refrigerant under the cooperation of the circulating pipeline, and the micro motor is arranged to generate gas under the cooperation of the fan blades, so that cold gas in the heat dissipation box can be conveniently sent to the control box for cooling; the temperature sensor is arran