The invention belongs to the technical field of unmanned aerial vehicle endurance, and particularly relates to an unmanned aerial vehicle magnetic coupling resonant wireless power transmission system which comprises a magnetic coupling mechanism, a coupling mechanism anti-offset characteristic, design of a circuit compensation structure, circuit design and simulation analysis and a system closed-loop control strategy. According to the coupling mechanism, a receiving coil is wound on a U-shaped frame on one side of the unmanned aerial vehicle, a transmitting coil is arranged in the charging station, the height of the receiving coil is H1, the length of the receiving coil is L2, the value is fixed and equal to the length of a rack, the length of the transmitting coil is L1, the width of the transmitting coil is W1, the length of a magnetic core in the middle of the transmitting coil is L3, the width of the magnetic core in the middle of the transmitting coil is W3, and the coupling coefficient is k. A bipolar transmitting device is adopted, a U-shaped ferrite iron core is arranged at a receiving end to guide magnetic flux, a transmitting coil adopts a double-D-shaped coil, and the coil at the receiving end is uniformly wound at a landing leg of the unmanned aerial vehicle in multiple turns, so that the distance between coupling coils is effectively reduced, and the system coupling capability is enhanced.

    本发明属于无人机续航技术领域,具体的说是一种无人机磁耦合谐振式无线电能传输系统,包括磁耦合机构、耦合机构抗偏移特性、电路补偿结构的设计、电路设计及仿真分析和系统闭环控制策略,所述耦合机构:无人机一侧U型架上缠绕接收线圈,充电站内设置有发射线圈,接收线圈的高度为H1,接收线圈长为L2,取值固定,等于机架长,发射线圈的长度为L1,发射线圈的宽度为W1,发射线圈中间磁芯的长度为L3和宽度为W3,耦合系数为k;通过采用双极型发射装置,并采用U型铁氧体铁芯置于接收端来引导磁通,发射线圈采用双D型线圈,接收端线圈均匀多匝缠绕于无人机支腿处,有效减小耦合线圈间的距离,增强了系统耦合能力。


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    Title :

    Magnetic coupling resonant wireless power transmission system of unmanned aerial vehicle


    Additional title:

    一种无人机磁耦合谐振式无线电能传输系统


    Contributors:
    LU FANGZHOU (author) / ZHANG XIAN (author) / WANG BINKAI (author) / CHEN TING (author) / MA RUIFENG (author) / YIN YINGJIE (author) / ZHAO YALIN (author) / HU AOXUAN (author) / JIA ZEHAN (author) / ZHANG NING (author)

    Publication date :

    2025-02-25


    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 / B64U / H01F MAGNETS , Magnete



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