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    • 2. 发明授权
    • Wireless power transmission system
    • 无线电力传输系统
    • US08970070B2
    • 2015-03-03
    • US13170355
    • 2011-06-28
    • Tomokazu SadaHiroshi Kanno
    • Tomokazu SadaHiroshi Kanno
    • H01F27/42H02J5/00H02J7/02
    • H02J50/50H02J5/005H02J7/025H02J50/12Y10T307/707Y10T307/729Y10T307/944
    • A wireless power transmission unit according to the present invention transmits power wirelessly from a power transmitting section 100 to a power receiving section 200 through a resonant magnetic field. The unit includes: the power transmitting section 100, which resonates at a resonant frequency f0; at least one relay section 300, which can resonate at a frequency that is selected from multiple frequencies including the resonant frequency f0; and a resonance control section 600 that outputs information that specifies a resonance condition to be imposed on the relay section 300 according to the arrangement of the power receiving section 200 and that makes the relay section 300 resonate on the resonance condition that has been specified in accordance with that information.
    • 根据本发明的无线电力传输单元通过谐振磁场从电力发送部分100无线地发送到电力接收部分200。 该单元包括:以共振频率f0谐振的功率发送部分100; 至少一个中继部分300,其可以以从包括谐振频率f0的多个频率中选择的频率谐振; 以及谐振控制部600,其根据电力接收部200的配置输出规定要施加在中继部300上的谐振条件的信息,并使继电器部300根据已经规定的谐振条件进行谐振 与该信息。
    • 6. 发明授权
    • Power generating apparatus, power generating system, and wireless electric power transmission apparatus with impedance matching
    • 发电装置,发电系统和具有阻抗匹配的无线电力传输装置
    • US08829728B2
    • 2014-09-09
    • US13098526
    • 2011-05-02
    • Hiroshi YamamotoHiroshi Kanno
    • Hiroshi YamamotoHiroshi Kanno
    • H01F27/42H02J17/00H02J7/02
    • H02J50/12H02J7/025H02J17/00H02J50/10H02J50/80
    • A power generator includes an impedance matching section for oscillating section that is arranged between the oscillating section and the power-transmitting antenna, and configured to match an input impedance of the power-transmitting antenna to an output impedance of the oscillating section, and a transmitting-end control section configured to match an input impedance of the oscillating section to an output impedance of the power generating section by changing the input impedance of the oscillating section in accordance with a variation in the output impedance of the power generating section, and configured to match an input impedance of the impedance matching section for oscillating section to the output impedance of the oscillating section by changing the input impedance of the impedance matching section for oscillating section in accordance with the variation in the output impedance of the power generating section.
    • 发电机包括:摆动部分的阻抗匹配部分,其布置在振荡部分和发射天线之间,并且被配置为将发射功率的天线的输入阻抗与振荡部分的输出阻抗相匹配, 所述控制部分被配置为通过根据所述发电部分的输出阻抗的变化改变所述振荡部分的输入阻抗,将所述振荡部分的输入阻抗与所述发电部分的输出阻抗相匹配,并且被配置为 根据发电部分的输出阻抗的变化,通过改变用于振荡部分的阻抗匹配部分的输入阻抗,将用于振荡部分的阻抗匹配部分的输入阻抗与振荡部分的输出阻抗相匹配。
    • 9. 发明申请
    • WIRELESS POWER TRANSMISSION SYSTEM
    • 无线电力传输系统
    • US20120274149A1
    • 2012-11-01
    • US13453045
    • 2012-04-23
    • Hiroshi KANNOHiroshi YAMAMOTO
    • Hiroshi KANNOHiroshi YAMAMOTO
    • H01F38/14
    • H02J50/12H02J7/025H02J17/00H02J50/20H02J50/80
    • A wireless power transmission system according to the present disclosure includes: a pair of antennas, between which power is transmissible wirelessly by resonant magnetic coupling at a frequency f0, one of which is a series resonant circuit, and the other of which is a parallel resonant circuit; and a control section, which controls a transmission frequency according to the magnitude of the power being transmitted between the antennas. If the power transmitted between the antennas is greater than a reference value P1, the control section sets the transmission frequency to be a value that falls within a first level range that is higher than the frequency f0. But if the power is smaller than the reference value P1, then the control section sets the transmission frequency to be a value that falls within a second level range that is lower than the first level range.
    • 根据本公开的无线电力传输系统包括:一对天线,其间以频率f0的谐振磁耦合无线地传输电力,其中一个是串联谐振电路,另一个是并联谐振 电路 以及控制部,其根据在天线之间传输的功率的大小控制发送频率。 如果在天线之间传输的功率大于参考值P1,则控制部分将发送频率设置为落在高于频率f0的第一电平范围内的值。 但是,如果功率小于参考值P1,则控制部将发送频率设定为落入低于第一电平范围的第二电平范围内的值。