The invention relates to a double-face heat dissipation motor controller, a power assembly and an electric vehicle, and belongs to the technical field of electric vehicles. The motor controller provided by the invention comprises a capacitor shell, a liquid cooling plate and two pipe joints. The capacitor shell comprises a containing cavity, a liquid cooling cavity and two first communication flow channels. The accommodating cavity is used for accommodating a capacitor core package. In the first direction, the liquid cooling plate, the liquid cooling cavity and the containing cavity are sequentially arranged in a stacked mode, and the power modules are arranged between the liquid cooling plate and the liquid cooling cavity. In the second direction, the two cooling liquid pipes are arranged on the two sides of the containing cavity, and the two first communicating flow channels are arranged on the two sides of the liquid cooling cavity. According to the motor controller provided by the invention, the liquid cooling cavity is integrated through the capacitor shell, and the liquid cooling plate and the liquid cooling cavity which are stacked are communicated through the two pipe joints, so that double-sided heat dissipation of a plurality of power modules in the motor controller is realized, and structure simplification and miniaturization of the motor controller are facilitated.

    本公开涉及一种双面散热的电机控制器、动力总成和电动车,属于电动车技术领域。本公开提供的电机控制器包括一个电容壳体、一个液冷板和两个管接头。电容壳体包括一个容纳腔、一个液冷腔和两个第一连通流道。容纳腔用于容纳电容芯包。沿第一方向,液冷板、液冷腔和容纳腔依次层叠排列,液冷板和液冷腔之间排列所述多个功率模组。沿第二方向,两个冷却液管排列于容纳腔的两侧,两个第一连通流道排列于液冷腔的两侧。本公开提供的电机控制器通过电容壳体集成液冷腔,并利用两个管接头连通相层叠的液冷板和液冷腔,从而实现对电机控制器中多个功率模组进行双面散热,有利于电机控制器的结构简化及小型化。


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    Title :

    Double-face heat dissipation motor controller, power assembly and electric vehicle


    Additional title:

    双面散热的电机控制器、动力总成和电动车


    Contributors:
    XU YANKUN (author) / ZHANG WEILONG (author) / TANG TINGTING (author) / ZHANG JIE (author) / WEI WU (author)

    Publication date :

    2024-11-29


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    H05K PRINTED CIRCUITS , Gedruckte Schaltungen / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS , Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern



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