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    • 5. 发明公开
    • 비접촉형 수전 장치 및 그것을 사용한 전자 기기 및 충전 시스템
    • 非接收式电力接收装置,使用非接收电力接收装置和充电系统的电子装置
    • KR1020100031139A
    • 2010-03-19
    • KR1020107003722
    • 2008-08-20
    • 가부시끼가이샤 도시바도시바 마테리알 가부시키가이샤
    • 이노우에데쯔오
    • H01F27/36H01F38/14H02J17/00H02J7/00
    • H01F38/14H01F27/2804H01F27/365H01F2038/143H02J5/005H02J7/025H02J50/12H02J50/70
    • A noncontact power receiving apparatus is provided with a power receiving coil having a spiral coil, a rectifier, a secondary battery, and an electronic device which operates by being supplied with a direct current voltage from the secondary battery. A composite magnetic body is arranged at least between the secondary battery and the spiral coil or between the electronic device and the spiral coil. The composite magnetic body has two or more layers of magnetic thin strips by having insulating layers in between.When the relative magnetic permeability of the first magnetic thin strip arranged on the spiral coil side is expressed by Vd, the thickness of the first magnetic thin strip by td, the average relative magnetic permeability of the second and the subsequent magnetic thin strips other than the first magnetic thin strip by Vu and the total thickness of such magnetic thin strips by tu, inequalities of μd·td =100[mm] are satisfied. Thus, the power receiving apparatus wherein shielding performance of the rear surface is ensured, while optimizing suppression of inductance fluctuation of the primary coil (power supply side coil) is provided for a noncontact charger. An electronic device using such power receiving apparatus is also provided.
    • 非接触式电力接收装置设置有具有螺旋线圈,整流器,二次电池和电子设备的受电线圈,其通过从二次电池提供直流电压而工作。 复合磁体至少布置在二次电池和螺旋线圈​​之间或电子设备与螺旋线圈之间。 复合磁体具有两层以上的磁性薄带,其间具有绝缘层。当布置在螺旋线圈侧的第一磁性薄带的相对磁导率由Vd表示时,第一磁性薄带的厚度 由td表示第二磁铁薄片和第二磁性薄带之间的除Vu之外的平均相对磁导率,以及这些磁性薄带的总厚度tu,μd·td <= 60 [mm]的不等式, μu·tu> = 100 [mm]。 因此,为非接触式充电器提供了优化对初级线圈(电源侧线圈)的电感波动的抑制的确保背面的屏蔽性能的电力接收装置。 还提供了使用这种电力接收装置的电子设备。