Heat dissipation device of equipment control cabinet

The utility model relates to the technical field of control cabinets, in particular to a heat dissipation device of an equipment control cabinet, which comprises a cabinet body, a cabinet door is arranged on the front side of the cabinet body, a water cooling component is arranged at the top of the cabinet body, the water cooling component realizes internal and external liquid circulation through connection of a copper pipe, and the copper pipe is W-shaped in the cabinet body and is mounted on a copper net. The side wall of the cabinet body is provided with a first controller and a second controller, the first controller and the second controller are connected with a control mainboard on the inner wall of the cabinet body through wires, the inner wall of the cabinet body is fixedly provided with a temperature sensor through bolts, and the temperature sensor is connected with a power supply through a power supply. The temperature sensor is connected with the control mainboard through a wire. According to the u