In accordance with the present invention, provided is a flow path structure of a hybrid heat exchanger. The flow path structure includes: a first pass part formed by stacking a plurality of plate-shaped heat exchange plates, wherein a first coolant flow path for the flow of high-temperature coolant and a first refrigerant flow path for the flow of a refrigerant are formed, and the high-temperature coolant and the refrigerant, flowing in the first coolant flow path and the first refrigerant flow path respectively, selectively exchange heat with each other; a second pass part provided on a lower side of the first pass part, and formed by stacking the plurality of plate-shaped heat exchange plates, wherein a second coolant flow path for the flow of low-temperature coolant and a second refrigerant flow path for the flow of a refrigerant are formed, and the low-temperature coolant and the refrigerant, flowing in the second coolant flow path and the second refrigerant flow path respectively, selectively exchange heat with each other; a first refrigerant discharge pipe formed on an upper side of the first pass part while connected with the first refrigerant flow path to selectively discharge the refrigerant; and a second refrigerant discharge pipe formed on a lower side of the second pass part while connected with the second refrigerant flow path to selectively discharge the refrigerant. Therefore, the flow path structure of a hybrid heat exchanger is capable of reducing the passage resistance of a refrigerant becoming larger in specific volume during a heating operation.

    본 발명은 판형 열교환플레이트 복수 개가 적층되어 이루어진 것으로, 내부에는 고온 냉각수가 유동하는 제1냉각수유로와 냉매가 유동하는 제1냉매유로를 형성하며, 제1냉각수유로와 제1냉매유로를 각각 유동하는 고온 냉각수와 냉매는 서로 선택적으로 열교환하는 제1패스부와, 상기 제1패스부의 하측에 구비되고, 판형 열교환플레이트 복수 개가 적층되어 이루어진 것으로, 내부에는 저온 냉각수가 유동하는 제2냉각수유로와 냉매가 유동하는 제2냉매유로를 형성하며, 제2냉각수유로와 제2냉매유로를 각각 유동하는 저온 냉각수와 냉매는 서로 선택적으로 열교환하는 제2패스부와, 상기 제1패스부의 상측에 형성되면서, 상기 제1냉매유로와 연결되어 선택적으로 냉매를 배출하는 제1냉매유출관, 및 상기 제2패스부의 하측에 형성되면서, 상기 제2냉매유로와 연결되어 선택적으로 냉매를 배출하는 제2냉매유출관;을 포함하여, 난방시 비체적이 커지는 냉매의 통로저항을 감소시키는 복합 열교환기의 유로 구조를 제공한다.


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    Title :

    Flow structure of compound heat exchanger


    Additional title:

    복합 열교환기의 유로 구조


    Contributors:

    Publication date :

    2021-07-06


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    F28D Wärmetauscher, soweit in keiner anderen Unterklasse vorgesehen, in denen die Wärmetauschmittel nicht in direkte Berührung miteinander kommen , HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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