Provided are a heat pump system for an electric vehicle capable of implementing various driving modes for indoor air conditioning by using a single auxiliary heat exchanger, and a control method thereof. According to an embodiment of the present invention, the heat pump system for an electric vehicle can comprise: a compressor for compressing a refrigerant; a four-way valve capable of changing the flow direction of the refrigerant discharged from the compressor; an outdoor heat exchanger and an indoor heat exchanger having one sides connected to the four-way valve; an auxiliary heat exchanger which is connected to the four-way valve through an accumulator pipe, and of which an internal space is filled with the refrigerant of the accumulator pipe; an outdoor pipe extending from the other side of the outdoor heat exchanger; an indoor pipe extending from the other side of the indoor heat exchanger; and a flow pipe branching from the outdoor branch of the outdoor pipe and extending to the indoor branch of the indoor pipe.
본 발명의 실시예에 따른 전기자동차용 히트펌프 시스템은, 냉매를 압축하는 압축기, 상기 압축기로부터 토출된 냉매의 유동 방향을 전환할 수 있는 사방밸브, 상기 사방밸브와 일측이 연결되는 실외 열교환기와 실내 열교환기, 상기 사방밸브와 어큠배관으로 연결되며, 상기 어큠배관의 냉매가 내부 공간에 채워지는 보조 열교환기, 상기 실외 열교환기의 타측으로부터 연장되는 실외배관, 상기 실내 열교환기의 타측으로부터 연장되는 실내배관 및 상기 실외배관의 실외분지점으로부터 분기되어 상기 실내배관의 실내분지점까지 연장되는 유동배관을 포함할 수 있다.
Heat pump system for electric vehicle and control method thereof
전기자동차용 히트펌프 시스템 및 그 제어방법
18.11.2020
Patent
Elektronische Ressource
Koreanisch
IPC: | B60H ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING, OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODS SPACES OF VEHICLES , Anordnung oder Einbau der Heizung, Kühlung, Lüftung oder anderer Luftbehandlungsvorrichtungen für die Fahrzeugräume für Reisende oder Fracht / F25B Kältemaschinen, Kälteanlagen oder Kälteverfahren , REFRIGERATION MACHINES, PLANTS, OR SYSTEMS / H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY |
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