The invention relates to the technical field of new energy automobile charging control methods, and particularly discloses a new energy automobile silent charging method which comprises the step of judging following three conditions: 1 when the standing time of an automobile is too long and exceeds a preset value, recording the time of the automobile after flameout and power-off as T, and when T is greater than a certain value, recording the condition 1; 2 judging whether a low-voltage storage battery needs to be charged or not; and 3 judging whether a high-voltage battery pack has enough electric quantity to charge the low-voltage storage battery or not; if the three conditions are met at the same time, a charging condition is triggered, a controller outputs a charging instruction to the high-voltage battery pack, the high-voltage battery pack charges the low-voltage battery, a full-charge threshold value is preset, and when the full-charge threshold value is reached, charging is stopped. The problem that the automobile cannot be started due to the fact that the low-voltage battery is lower than a certain threshold value in the automobile parking process is effectively avoided.

    本发明涉及新能源汽车充电控制方法技术领域,具体的说,公开了一种新能源汽车静默充电方法,对如下三个条件进行判断:条件1.车辆静置时间过长,超过预设值,即车辆在熄火下电后的时间记为T,当T大于某一数值,记为条件1;条件2.判断低压蓄电池是否需要充电;条件3.判断高压电池包是否有足够的电量给低压蓄电池充电;上述三个条件同时满足,则触发充电条件,控制器输出充电指令给高压电池包,让高压电池包给低压电池充电,并预设一个充满阈值,当达到充满阈值时,停止充电。本发明有效避免了车辆停放过程中低压电池低于一定的阀值而无法启动车辆的问题。


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    Titel :

    New energy automobile silent charging method


    Weitere Titelangaben:

    一种新能源汽车静默充电方法


    Beteiligte:
    WANG YONG'EN (Autor:in) / MIN WUBAO (Autor:in) / TONG LEI (Autor:in) / LI JIANWU (Autor:in) / ZHANG HONGJIAO (Autor:in) / ZOU CHAOPING (Autor:in)

    Erscheinungsdatum :

    2021-11-12


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

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



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