The invention relates to the technical field of motor controllers, in particular to a motor controller, a power assembly and a vehicle. The motor controller comprises a three-phase bridge arm, a capacitor module and a heat dissipation plate group. The capacitor module comprises a capacitor shell and a capacitor core package. The capacitor shell comprises a first sub-shell and a second sub-shell. The first sub-shell and the second sub-shell form an accommodating cavity along a gap in the first direction, and the accommodating cavity is used for accommodating a capacitor core package. The three-phase bridge arm comprises a plurality of power modules, the heat dissipation plate group is used for dissipating heat for the plurality of power modules, the heat dissipation plate group is used for being fixedly connected with one side, deviating from the capacitor core package, of the first sub-shell in the first direction, and a gap between the heat dissipation plate group and the first sub-shell in the first direction is used for forming a cooling liquid flow channel. The first sub-shell comprises two flow channel openings, and the two flow channel openings are used for communicating with the cooling liquid flow channel. The cooling liquid flow channel in the motor controller exchanges heat with the capacitor core package through the first sub-shell, so that the heat exchange efficiency of the capacitor core package can be improved.

    本申请涉及电机控制器技术领域,尤其涉及一种电机控制器、动力总成及车辆。该电机控制器包括三相桥臂、电容模组和散热板组。电容模组包括电容壳体和电容芯包,电容壳体包括第一子壳体和第二子壳体。第一子壳体和第二子壳体沿第一方向的间隙形成容纳腔,容纳腔用于容纳电容芯包。三相桥臂包括多个功率模组,散热板组用于为多个功率模组散热,散热板组用于固定连接第一子壳体沿第一方向背离电容芯包的一侧,散热板组与第一子壳体沿第一方向的间隙用于形成冷却液流道。第一子壳体包括两个流道开口,两个流道开口用于连通冷却液流道。电机控制器中冷却液流道经过一个第一子壳体与电容芯包进行换热,能够提高电容芯包的换热效率。


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    Title :

    Motor controller, power assembly and vehicle


    Additional title:

    一种电机控制器、动力总成及车辆


    Contributors:
    YU KANG (author) / ZHANG WEILONG (author) / XU ZIYOU (author) / XU YANKUN (author) / GAO JIASHENG (author) / FAN CHAO (author)

    Publication date :

    2024-03-12


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    H01G Kondensatoren , CAPACITORS / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS , Anlagen zur Umformung von Wechselstrom in Wechselstrom, von Wechselstrom in Gleichstrom oder umgekehrt, oder von Gleichstrom in Gleichstrom und zur Verwendung in Netzen oder ähnlichen Stromversorgungssystemen / H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS , Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern / H05K PRINTED CIRCUITS , Gedruckte Schaltungen



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