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    • 6. 发明申请
    • WIRELESS CHARGER DECREASED IN VARIATION OF CHARGING EFFICIENCY
    • 无线充电器在充电效率的变化中下降
    • US20090102419A1
    • 2009-04-23
    • US11996621
    • 2006-05-04
    • Gwang-Hee GwonDong-Young ParkSung-Wook ChoiSub HanSung-Wook Moon
    • Gwang-Hee GwonDong-Young ParkSung-Wook ChoiSub HanSung-Wook Moon
    • H02J7/00
    • H02J50/70H01F27/2871H01F38/14H02J7/025H02J50/12
    • A wireless charger charges a storage battery of a portable electronic device in a wireless manner (non-contacting or contact-less) so that a variation of charging efficiency is not serious though the storage battery is placed any position of the wireless charger. The wireless charger is provided with a primary coil for generating a magnetic field so as to charge a subject, which is provided with a secondary coil, by means of inductive coupling with the secondary coil. The primary coil includes an outer coil arranged with a predetermined winding number and a predetermined size; and at least one inner coil arranged to be included inside the outer coil. The outer coil and the inner coil are arranged so that, when a primary current is applied to the outer coil and the inner coil, magnetic fluxes generated in the outer coil and the inner coil are formed in the same direction.
    • 无线充电器以无线方式(非接触式或非接触式)对便携式电子设备的蓄电池充电,使得充电效率的变化不会严重,尽管蓄电池被放置在无线充电器的任何位置。 无线充电器设置有用于产生磁场的初级线圈,以便通过与次级线圈的电感耦合为具有次级线圈的被摄体充电。 初级线圈包括以预定线圈数和预定尺寸布置的外线圈; 以及布置成包括在外部线圈内部的至少一个内部线圈。 外部线圈和内部线圈被布置成使得当初级电流施加到外部线圈和内部线圈时,在外部线圈和内部线圈中产生的磁通在相同方向上形成。