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    • 3. 发明公开
    • POWER RECEIVING DEVICE AND WIRELESS POWER TRANSMISSION SYSTEM
    • STROMEMPFANGSVORRICHTUNG系统ZUR DRAHTLOSENSTROMÜBERTRAGUNG
    • EP3151371A1
    • 2017-04-05
    • EP16189619.6
    • 2016-09-20
    • Panasonic Intellectual Property Management Co., Ltd.
    • TAKAHASHI, EijiSAKATA, TsutomuKIKUCHI, SatoruKANNO, Hiroshi
    • H02J7/02H02J50/10H02J50/20H02J50/80B60L11/18
    • A power receiving device includes a power receiving antenna that receives AC power from a power transmitting antenna, a rectifier circuit that converts the AC power into DC power, a detection circuit that detects the DC power, a load driven by the DC power, a battery that charges the DC power, a switching circuit that provides i) connection and disconnection between the rectifier circuit and the load and ii) connection and disconnection between the load and the battery, and a control circuit that controls the power receiving device. The control circuit controls the switching circuit to disconnect the rectifier circuit from the load and connect the load to the battery if the DC power is less than or equal to a power threshold value, and drive the load by the DC power charged in the battery.
    • 电力接收装置包括从电力发送天线接收交流电力的电力接收天线,将交流电力转换成直流电力的整流电路,检测直流电力的检测电路,直流电力驱动的负载,电池 对直流电源进行充电,开关电路提供i)整流电路和负载之间的连接和断开以及ii)负载和电池之间的连接和断开,以及控制电力接收装置的控制电路。 控制电路控制开关电路,使整流电路与负载断开连接,如果直流功率小于或等于功率阈值,则将负载连接到电池,并通过充电在电池中的直流电力来驱动负载。
    • 6. 发明公开
    • ELECTRIC GENERATOR
    • 电动发电机
    • EP3079243A1
    • 2016-10-12
    • EP16158512.0
    • 2016-03-03
    • Panasonic Intellectual Property Management Co., Ltd.
    • SAKIYAMA, KazuyukiTAKAHASHI, Eiji
    • H02K21/38H02K17/42H02K19/20
    • H02K21/38H02K1/246H02K17/42H02K19/20
    • An electric generator includes a magnetic flux generating unit that generates a magnetic flux, a rotation unit that rotates about a rotation axis, and an induction coil unit including a winding. The magnetic flux generating unit, the rotation unit, and the induction coil unit are arranged along the rotation axis. The rotation unit is disposed between the magnetic flux generating unit and the induction coil unit. The rotation unit includes a magnetic flux changing part. The magnetic flux changing part passes across a space through which the magnetic flux linked to the winding passes, by a rotation of the rotation unit. A density of the magnetic flux linked to the winding is changed by the magnetic flux changing part passing across the space. An electromotive force is induced in the induction coil unit in accordance with the change in the density of the magnetic flux linked to the winding.
    • 发电机包括产生磁通量的磁通量产生单元,绕​​旋转轴旋转的旋转单元和包括绕组的感应线圈单元。 磁通量产生单元,旋转单元和感应线圈单元沿着旋转轴线布置。 旋转单元设置在磁通量产生单元和感应线圈单元之间。 旋转单元包括磁通量变化部分。 通过旋转单元的旋转,磁通量变化部分穿过连接到绕组的磁通穿过的空间。 连接到绕组的磁通量的密度通过穿过该空间的磁通量变化部分而改变。 根据连接到绕组的磁通密度的变化,在感应线圈单元中感应出电动势。