Wind source heat pump unit

The utility model discloses a wind source heat pump unit. The wind source heat pump unit comprises a compressor, a four-way reversing valve, a wind-side heat exchanger and a water-side heat exchanger, wherein a refrigerant outlet end of the compressor is connected with the first end of the four-way reversing valve; the second end of the four-way reversing valve is connected with the wind-side heat exchanger; the third end of the four-way reversing valve is connected with a refrigerant inlet end of the compressor; the fourth end of the four-way reversing valve is connected with one end of the water-side heat exchanger; a plurality of sections of refrigerant heat exchange tubes are arranged in the wind-side heat exchanger; a plurality of electric heating tubes are arranged in the bottom of the wind-side heat exchanger respectively; fin type heat exchange tubes are arranged at the peripheries of the electric heating tubes in a sleeving mode respectively; the fin type heat exchange tubes are not mutually communicated with the refrigerant heat exchange tubes, and the tube opening of each fin type heat exchange tube is sealed; a cooling water spraying device is arranged below the wind-side heat exchanger; the cooling water spraying device comprises a water accumulator, and a spray head towards the wind-side heat exchanger is mounted on the water accumulator. The wind source heat pump unit disclosed by the utility model is relatively stable in energy efficiency, and the bottom of the wind-side heat exchanger is not prone to freeze and frost.