Device for improving efficiency of centrifugal heat pump unit

The invention discloses a device for improving the efficiency of a centrifugal heat pump unit, and relates to the technical field of centrifugal heat pump units. The device comprises a compressor, a condenser, an energy saver, an evaporator and an electromagnetic valve, wherein the compressor, the condenser, the energy saver and the evaporator communicate with one another through pipelines; a connecting pipeline is arranged between the compressor and the energy saver, and the electromagnetic valve is fixedly installed on the connecting pipeline; the condenser comprises a through hole, a telescopic spring, a fixing frame, a condensation pipe, a fixing plate, a buckle, a clamping rod and an access door; and the fixing frame is arranged inside the condenser, and the condensation pipe is arranged inside the fixing frame. According to the device for improving the efficiency of the centrifugal heat pump unit, the heating capacity is improved through throttling of the energy saver, and the power consumption is incre