The present invention relates to a heat pump system for a vehicle, which comprises: a compressor for compressing and circulating a refrigerant; a condenser for condensing the compressed refrigerant; a refrigerant branching unit in which the refrigerant passing through the condenser is branched into first and second lines; and an electronic component cooled by coolant. The first line includes a first air-cooled condenser, a (1-1)^th line and a (1-2)^th line through which the refrigerant passing the first air-cooled condenser is branched. Also, a (1-1)^th expansion valve and a first evaporator for vaporizing the refrigerant expanded in the (1-1)^th expansion valve are disposed in the (1-1)^th line, and a (1-2)^th expansion valve and a chiller for exchanging heat between the refrigerant expanded in the (1-2)^th expansion valve and the coolant are provided in the (1-2)^th line. In addition, a second air-cooled condenser, a second expansion valve, and a second evaporator for vaporizing the refrigerant expanded in the second expansion valve are provided in the second line. Accordingly, heating performance increases.

    본 발명은 냉매를 압축하여 순환시키는 압축기, 압축된 상기 냉매를 응축시키는 응축기, 상기 응축기를 통과한 상기 냉매가 제1 라인과 제2 라인으로 분기되는 냉매분기부, 냉각수에 의해 냉각되는 전장부품을 포함하되, 상기 제1 라인은 제1 공랭식 응축기, 상기 제1 공랭식 응축기를 통과한 냉매가 분기되는 제1-1라인과 제1-2라인을 포함하며, 상기 제1-1라인에는 제1-1 팽창밸브와 상기 제1-1 팽창밸브에서 팽창된 냉매를 기화시키는 제1 증발기가 배치되고, 상기 제1-2라인에는 제1-2 팽창밸브와 상기 제1-2 팽창밸브에서 팽창된 냉매를 냉각수와 열교환하는 칠러가 구비되며, 상기 제2 라인에는 제2 공랭식 응축기, 제2 팽창밸브 및 상기 제2 팽창밸브에서 팽창된 냉매를 기화시키는 제2 증발기가 구비되는 차량용 히트펌프 시스템을 제공한다.


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    Title :

    Heatpump system for vehicle


    Additional title:

    차량용 히트펌프 시스템


    Contributors:

    Publication date :

    2021-07-12


    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 / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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