Novel high-low voltage switch cabinet with good heat dissipation effect

The utility model discloses a novel high-low voltage switch cabinet with good heat radiation effect, comprising a switch cabinet, a temperature sensor and four heat radiation motors are arranged in the switch cabinet, each heat radiation motor is provided with a motor shaft, the motor shaft is provided with a plurality of fan blades, and the four heat radiation motors are all sleeved with a protective cover. The protective cover is fixedly installed on the inner wall of the switch cabinet, an installation strip is fixedly installed in the protective cover, the heat dissipation motor is fixedlyinstalled on one side of the installation strip, a plurality of heat dissipation holes located in the protective cover are formed in the inner wall of the switch cabinet, and telescopic holes are formed in the installation strip. According to the utility model, when the L-shaped moving strip moves up and down once, the telescopic block can intermittently knock the inner wall of the switch cabinetonce, and soil or impurit