The application provides a vehicle, a motor control circuit and a power battery charging and heating method. According to the power battery charging method, when a power supply voltage output by powersupply equipment is not higher than the voltage of a power battery and the power battery needs to be charged, a first switch module is controlled to be disconnected, a second switch module is conducted with a third switch module, a three-phase inverter and an inductance energy storage module are controlled, so that the energy storage process of the inductance energy storage module by the power supply equipment and the discharge process of the power supply equipment and the inductance energy storage module to the power battery are alternately carried out; and after the power supply voltage ofthe power supply equipment is boosted, the power battery is charged. The power battery can be boosted and charged without independently arranging a boosted circuit, so that the circuit cost is reduced, the reliability is high, and a problem that a power battery charging method is high in cost or low in charging reliability is solved; a large power expansion space is achieved, and the requirement for battery charging power increase is met.

    本申请提出了一种车辆、电机控制电路、动力电池充电与加热方法,动力电池充电方法在供电设备输出的供电电压不高于动力电池的电压,且动力电池需要充电时,控制第一开关模块断开,第二开关模块与第三开关模块导通,并控制三相逆变器与电感储能模块,使得供电设备对电感储能模块的储能过程以及供电设备和电感储能模块对动力电池的放电过程交替进行,以将供电设备的供电电压进行升压后对动力电池进行充电,无需单独设立升压电路便可对动力电池进行升压充电,降低电路成本且可靠性高,解决动力电池充电方法存在成本高或者充电可靠性低的问题,且具有较大的功率拓展空间,满足电池充电功率增长的需求。


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    Title :

    Vehicle, motor control circuit and power battery charging and heating method


    Additional title:

    一种车辆、电机控制电路、动力电池充电与加热方法


    Contributors:

    Publication date :

    2020-06-30


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

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



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