The invention relates to a battery parallel charging method for an electric vehicle, which can be implemented by using a battery parallel charging system, and the system is applied to the electric vehicle and comprises a plurality of battery modules and a control unit. When the electric vehicle is connected to a charger to wake up the control unit, the control unit receives the voltage values of the battery modules, and the control unit judges whether the voltage difference values among the battery modules are larger than a preset voltage value or not. When the voltage difference value is larger than the preset voltage value, the control unit controls the battery module with the lower voltage value to be charged. When the voltage difference value is smaller than the preset voltage value, the control unit controls the plurality of battery modules to be charged together.

    本发明为一种电动车的电池并联充电方法,可利用一电池并联充电系统实施,该系统供应用于一电动车上,且包含有多个电池模组及一控制单元。当该电动车连接至一充电器而唤醒该控制单元,令该控制单元接收各该电池模组的电压值,该控制单元判断多个该电池模组彼此之间的电压差值是否大于一预设电压值。当该电压差值大于该预设电压值时,该控制单元控制该多个该电池模组中较低电压值者进行充电;当该电压差值小于该预设电压值时,该控制单元控制多个该电池模组共同充电。


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    Title :

    Battery parallel charging method of electric vehicle


    Additional title:

    电动车的电池并联充电方法


    Contributors:

    Publication date :

    2024-04-30


    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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