HEAT PUMP SYSTEM

A heat pump system, comprising a compressor, a first heat exchanger, a second heat exchanger, a third heat exchanger, an intermediate heat exchanger, a first throttling element and a first valve member, wherein the intermediate heat exchanger comprises a first heat exchange portion and second heat exchange portion that may carry out heat exchange; a first port of the first heat exchange portion communicates with an inlet of the compressor; a second port of the first heat exchange portion may communicate with at least one among an outlet of the second heat exchanger and a second port of the third heat exchanger; and a first port of the second heat exchange portion may communicate with a first port of the third heat exchanger.