Controller for direct-current compressor of variable-frequency heat pump

The utility model discloses a variable frequency heat pump direct current compressor controller which comprises a compressor body, a controller fixedly installed on an outer shell of the compressor body and a protection structure, the protection structure comprises a protection shell and a protection arc plate, the protection shell is arranged on the controller on the outer shell of the compressor body in a sleeved mode, and the protection arc plate is arranged on the protection shell. Protective arc plates are uniformly and vertically welded to the upper and lower end faces of the protective shell, hole seats are uniformly and vertically welded to the upper and lower end faces of the protective shell, a plurality of sliding rods are uniformly and horizontally welded to the upper and lower sides of the side end faces, close to the protective shell, of the protective arc plates, and the sliding rods are slidably inserted into the hole seats of the protective shell. According to the utility model, the controlle