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    • 4. 发明公开
    • 무선 전력 전송 장치, 무선 전력 전송 제어 장치 및 그 방법
    • 无线电力传输装置,无线电力传输控制装置和无线电力传输方法
    • KR1020110041792A
    • 2011-04-22
    • KR1020090098779
    • 2009-10-16
    • 삼성전자주식회사서울대학교산학협력단
    • 권상욱박은석홍영택남상욱박종민김윤구
    • H02J17/00H04B5/00H01J25/22
    • H02J50/12H02J17/00H02J50/90H04B5/0037H04B5/0093H01J25/22
    • PURPOSE: A wireless power transfer device, a wireless power transfer controlling device, and a wireless power transfer method are provided to determine the coupling frequency between two resonators and control a transfer frequency to transfer power at the determined coupling frequency, thereby realizing high transfer efficiency without a separate matching circuit in spite of a distance change between the two resonators. CONSTITUTION: A wireless power transfer device comprises a determination unit and a controller. The determination unit determines the coupling frequency between a power resonator and a target resonator. The controller controls a transfer frequency to transfer power at the determined coupling frequency. The determination unit measures the reflective wave of a signal transmitted from the power resonator to the target resonator and determines the frequency with the minimum amplitude of the reflective wave as a coupling frequency(S510).
    • 目的:提供无线电力传输设备,无线电力传输控制设备和无线电力传输方法,以确定两个谐振器之间的耦合频率,并控制传输频率以在确定的耦合频率下传输功率,从而实现高传输效率 没有单独的匹配电路,尽管两个谐振器之间的距离变化。 构成:无线电力传输装置包括确定单元和控制器。 确定单元确定功率谐振器和目标谐振器之间的耦合频率。 控制器控制传送频率以在确定的耦合频率下传输功率。 确定单元测量从功率谐振器发射到目标谐振器的信号的反射波,并以反射波的最小幅度作为耦合频率确定频率(S510)。