The invention relates to the technical field of new energy BMS (battery management system) and power grids, in particular to a pure electric vehicle intelligent heat preservation and charging method, in the charging process and the full-charge state, the BMS detects the temperature in real time, and the temperature of a battery pack is controlled to be within a proper range by controlling a battery pack heating system and a charging system; the battery pack heating device comprises a heating film, a heating relay and a heating fuse, and is used for heating a single lithium ion battery or a module in the battery pack, so that the battery works in a proper temperature range, the discharge capacity of the battery is kept in an optimal state, the endurance mileage of the lithium ion battery in winter is prolonged, and the service life of the lithium ion battery is prolonged.

    本发明涉及新能源BMS和电网技术领域,尤其涉及一种纯电动车智能保温补电方法,在充电过程、满电状态,BMS实时检测温度,通过控制电池包加热系统和充电系统来控制电池包的温度在适宜的范围内,电池包加热装置包括加热膜、加热继电器、加热熔断器,用于对电池包内锂离子电池单体或是模组的加热,使电池工作的合适的温度范围,证电池放电容量保持在最佳状态,延长锂离子电池在冬季的续航里程,增加锂离子电池的使用寿命。


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    Title :

    Intelligent heat preservation electricity supplementing structure and electricity supplementing method for pure electric vehicle


    Additional title:

    一种纯电动车智能保温补电结构以及补电方法


    Contributors:
    LI QINGHUA (author)

    Publication date :

    2024-03-05


    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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