The invention relates to the technical field of wireless electric energy transmission, in particular to a wireless charging coil positioning method and circuit based on an array detection coil assembly, and the method comprises the steps: generating a positioning magnetic field and a positioning signal; constructing an off-line fingerprint mapping map; constructing a partition algorithm; performing online reconstruction on a fingerprint mapping graph; and confirming the position of the receiving coil according to the positioning signal obtained on line. According to the invention, the alignment condition of the transmitting coil and the receiving coil can be detected through the positioning signals generated in the positioning magnetic field by the configured detection coil groups with different numbers, and the coordinate of the receiving coil can also be displayed, so that a worker can carry out alignment adjustment conveniently, and the wireless charging efficiency is improved.

    本发明涉及无线电能传输技术领域,尤其涉及一种基于阵列检测线圈组的无线充电线圈定位方法及电路,包括定位磁场和定位信号的产生;构建离线指纹映射图谱;构建分区算法;指纹映射图谱在线重构;根据在线获得的定位信号确认接收线圈的位置。本发明通过配置的不同数目的检测线圈组在定位磁场中产生的定位信号,可检测发射线圈与接收线圈的对准情况,还能显示接收线圈的坐标,从而便于工作人员进行对准调整,以提高无线充电效率。


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    Title :

    Wireless charging coil positioning method and circuit based on array detection coil assembly


    Additional title:

    一种基于阵列检测线圈组的无线充电线圈定位方法及电路


    Contributors:
    QIANG HAO (author) / LIU DONGHUI (author) / GUAN JIAQI (author) / XIAO FEIHANG (author)

    Publication date :

    2023-08-22


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

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



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