The present invention provides a heat pump system for a vehicle, which comprises: a compressor; a condenser; a refrigerant branch unit; a first refrigerant line branched to one side from the refrigerant branch unit and passing through a first expansion valve and an evaporator; a second refrigerant line branched from the refrigerant branch unit to the other side to pass through a second expansion valve and a chiller; a refrigerant circulation line having an accumulator through which a refrigerant passing through the first refrigerant line and the second refrigerant line passes; a heating line allowing cooling water exchanging heat with the refrigerant through the condenser to circulate to heat an indoor space; and a cooling line for cooling a battery and an electric component by circulating the cooling water which exchanges the heat with air or the refrigerant, wherein the cooling line has a fifth cooling line which circulates the evaporator in a radiator according to an operation mode.

    본 발명은 압축기, 응축기, 냉매분기부, 상기 냉매분기부에서 일측으로 분기되어 제1 팽창밸브 및 증발기를 통과하는 제1 냉매라인과 상기 냉매분기부에서 타측으로 분기되어 제2 팽창밸브 및 칠러를 통과하는 제2 냉매라인, 상기 제1 냉매라인과 상기 제2 냉매라인을 통과한 냉매가 통과하는 어큐뮬레이터를 포함하는 냉매 순환라인, 상기 응축기를 통해 상기 냉매와 열교환되는 냉각수를 순환시켜 실내를 난방하는 난방라인 및 공기 또는 상기 냉매와 열교환되는 냉각수를 순환시켜 배터리 및 전장부품을 냉각시키는 냉각라인을 포함하며, 상기 냉각라인은 작동모드에 따라 라디에이터에서 상기 증발기를 순환하는 제5 냉각라인이 형성되는 것을 특징으로 하는 하는 차량용 히트펌프 시스템을 제공한다.


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    Title :

    Heatpump system for vehicle


    Additional title:

    차량용 히트펌프 시스템


    Contributors:
    KIM MOO JOONG (author) / JIN HYEONG KYU (author) / LEE HAE JUN (author) / LEE SUNG JE (author) / HWANG DONG WOO (author) / HWANG IN GUK (author)

    Publication date :

    2021-06-14


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    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



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