The invention provides a power battery matrix charging and discharging main circuit, and belongs to the technical field of battery charging and discharging, the circuit comprises a battery matrix, power switch devices and connecting wires, and the battery matrix comprises M * N single batteries and X power switch devices; the battery matrix is in a grid-shaped net structure in electrical connection through a power switch device and a lead; at least one power switch device is arranged on all leads from the single battery to any electrical node in the net-shaped structure shaped like the Chinese character'tian '; the M * N single batteries can convert the battery matrix into a plurality of battery packs in which the internal single batteries are connected in series through state conversion of the power switch devices, and the battery packs can be connected in parallel or in series. According to the invention, each single battery is charged in sequence or more flexible multi-section sequential charging is realized through the flexibility of the main circuit of the battery matrix, so that the charging speed in a low-voltage and low-power mode is accelerated, the performance of the battery matrix is improved, the service life of the battery matrix is prolonged, and the safety of the battery matrix is improved.

    本申请提出一种动力电池矩阵充电、放电主电路,属于电池充放电技术领域,该电路包括:电池矩阵,功率开关器件和连接导线,电池矩阵包括M×N个单体电池,X个功率开关器件;电池矩阵通过功率开关器件和导线在电气连接上呈“田”字形网状结构;田字形网状结构中单体电池到任意电气节点的所有导线上均设有至少一个功率开关器件;M×N个单体电池可以通过功率开关器件的状态转换将电池矩阵变为多个内部单体电池相互串联的电池组,各电池组之间可以并联或者串联。本发明通过电池矩阵主电路的灵活多变实现依次给每个单体电池充电或更加灵活的多段式依次充电,使低电压、小功率方式充电的速度加快,提高了电池矩阵的性能、寿命和安全性。


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    Title :

    Power battery charging and discharging main circuit


    Additional title:

    一种动力电池充电放电主电路


    Contributors:
    LI ZHIHUA (author)

    Publication date :

    2022-11-15


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY



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