November 23, 2021
The utility model relates to a heat pump heat exchanger, which comprises a secondary heat exchange cabin, a buffer cabin and a main heat exchange cabin in turn, one end of the main heat exchanger tube bundle is communicated with the buffer chamber through the first main heat exchanger tube sheet, and the other end of the main heat exchanger tube bundle is communicated with the refrigerant row tube bundle through the second main heat exchanger tube sheet, a capillary tube bundle is arranged in the sub-heat exchange cabin, one end of the capillary tube bundle is communicated with the refrigerant supply pipe through the capillary liquid distributor, and the other end of the capillary tube bundle is communicated with the buffer cabin through the capillary tube sheet; The main heat exchange cabin is provided with a main inlet pipe and a main outlet pipe, and the secondary heat exchange cabin is provided with a suction pipe connected to the main heat exchange cabin and a secondary outlet pipe connected to the main outlet pipe. The utility model also discloses a heat pump using the heat exchanger. The refrigerant pressure in the main heat exchange tube of the utility model is balanced and the heat exchange efficiency is high.
