Voltage suppression cabinet with good heat dissipation

The utility model relates to the technical field of voltage suppression cabinets, in particular to a voltage suppression cabinet with good heat dissipation, which aims at solving the problem that the voltage suppression cabinet in the prior art is poor in heat dissipation effect, and comprises a bottom plate, a water tank mounted at the top of the bottom plate, and a suppression cabinet mounted at the top of the water tank. Two pneumatic cylinders are installed on the inner wall of the top of the suppression cabinet, a square pipe is installed at the output ends of the two pneumatic cylinders together, a plurality of air outlet covers are installed on the inner side of the square pipe, a cooling box is installed on the top of the suppression cabinet, an air inlet box is installed on the inner wall of the top of the cooling box, and a spiral cooling pipe is installed in the cooling box and located at the bottom of the air inlet box. According to the utility model, the interior of the suppression cabinet can be