The invention relates to the technical field of charging and discharging protection plates, in particular to an electric bicycle lithium battery pack equalization charging and discharging protection plate which comprises a central control module, a charging and discharging control module, a sampling module and an equalization module which are electrically connected, a lithium battery pack comprises at least one battery pack, and each battery pack comprises a plurality of battery cells which are connected in series. Each battery pack is provided with an electrically connected sampling module, the equalization module is electrically connected with each battery cell, the equalization module is provided with a transformer, the transformer is used as an energy storage module, and in the charging and discharging process of the lithium battery pack, through conversion of a magnetic field and an electric field, an energy transfer bidirectional transfer effect is provided for each battery cell, so that charging and discharging equalization is achieved; a larger equalizing current can be obtained, so that the equalizing time is shorter, and the equalizing efficiency is improved; and simple module stacking can be carried out according to requirements, so that the applicability is higher.

    本发明涉及充放电保护板技术领域,具体是一种电动自行车锂电池组均衡充放电保护板,包括电性连接的中心控制模块、充放电控制模块、采样模块与均衡模块,锂电池组包括至少一个电池包,每个电池包包括串联连接的多个电芯,每个电池包设有一电性连接的采样模块,均衡模块与每一电芯电性连接,均衡模块设有变压器,将变压器作为储能模块,在锂电池组充放电过程中,通过磁场与电场的转换,为各个电芯提供能量转移双向传递的作用,以达到充放电均衡,可获得较大的均衡电流,使均衡时间更短,提高均衡的效率;可根据需要,进行简单的模块堆叠,使其适用性更高。


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    Title :

    Equalization charging and discharging protection plate for lithium battery pack of electric bicycle


    Additional title:

    电动自行车锂电池组均衡充放电保护板


    Contributors:
    LI QINGHUI (author) / ZHOU LIPING (author) / SONG LIJUAN (author)

    Publication date :

    2024-08-06


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung





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