Disclosed are a wireless electric power transmitting device having a new structure of a transmission coil for uniform charging efficiency and charging area expansion, and a wireless electric power transmitting method. According to an embodiment of the present invention, the wireless electric power transmitting device comprises: a controller generating a magnetic field though the transmission coil with a multilayer structure inside a charging pad as an electric power receiver is detected within a regular separation distance from the charging pad, wherein the transmission coil with the multilayer structure has a structure in which a plurality of coil layers are stacked in the shape of reducing a diameter of each coil layer; and an electric power transmitting unit wirelessly transmitting an electric power signal, generated by using the magnetic field generated from the plurality of coil layers, to a reception coil inside the electric power receiver.

    무선 전력 전송 장치 및 무선 전력 전송 방법이 개시된다. 본 발명의 일실시예에 따른 무선 전력 전송 장치는, 충전패드로부터 일정 이격거리 이내에서 전력 수신기가 감지 됨에 따라, 상기 충전패드 내의 다층 구조의 송신 코일을 통해, 자기장을 발생시키는 컨트롤러 - 상기 다층 구조의 송신 코일은, 복수의 코일층이, 각 코일층의 지름이 감소하는 형태로 적층되는 구조를 가짐-, 및 상기 복수의 코일층에서 발생되는 자기장을 이용하여 생성한 전력 신호를, 상기 전력 수신기 내 수신 코일로 무선 전송하는 전력 전송부를 포함한다.


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    Title :

    WIRELESS ELECTRIC POWER TRANSMITTING DEVICE AND WIRELESS ELECTRIC POWER TRANSMITTING METHOD


    Additional title:

    무선 전력 전송 장치 및 무선 전력 전송 방법


    Contributors:
    KIM SANG WON (author) / MOON JUNG ICK (author) / KIM SEONG MIN (author) / CHO IN KUI (author) / YUN JE HOON (author) / JANG DONG WON (author)

    Publication date :

    2019-03-04


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    B64C AEROPLANES , Flugzeuge / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / H01F MAGNETS , Magnete




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