The invention provides a cooling system and method of a power assembly, the power assembly and an electric vehicle, and relates to the technical field of electric vehicles. The cooling system comprises a cooling loop and a cooling working medium. The cooling loop comprises a first cooling passage and a second cooling passage which are connected with each other, the first cooling passage is used for dissipating heat of an inverter of the electric vehicle, and the second cooling passage is used for dissipating heat of a motor of the electric vehicle; and the cooling working medium is an insulating working medium and flows into the second cooling passage from the first cooling passage. By means of the cooling system, a heat dissipation effect on the power assembly can be improved.

    本申请提供了一种动力总成的冷却系统、方法、动力总成及电动汽车,涉及电动汽车技术领域。其中,所述冷却系统包括:冷却回路和冷却工质。其中,所述冷却回路包括连通的第一冷却通路和第二冷却通路,所述第一冷却通路用于对电动汽车的逆变器进行散热,所述第二冷却通路用于对所述电动汽车的电机进行散热;所述冷却工质为绝缘工质,所述冷却工质由所述第一冷却通路流入所述第二冷却通路。利用该冷却系统能够提升对动力总成的散热效果。


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    Title :

    Cooling system and method of power assembly, power assembly and electric vehicle


    Additional title:

    一种动力总成的冷却系统、方法、动力总成及电动汽车


    Contributors:
    WANG JIANGANG (author) / LI QUANMING (author) / CHEN JUN (author)

    Publication date :

    2020-11-20


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / H02K Dynamoelektrische Maschinen , DYNAMO-ELECTRIC MACHINES / H05K PRINTED CIRCUITS , Gedruckte Schaltungen



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