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    • 2. 发明申请
    • POWER SUPPLY DEVICE
    • 电源设备
    • WO2013108155A2
    • 2013-07-25
    • PCT/IB2013/050196
    • 2013-01-09
    • KONINKLIJKE PHILIPS N.V.
    • BISSCHOP, Oedilius JohannesBIJ DE LEIJ, Tjerk Kornelis
    • H02M3/33507H02J7/007H02J7/022H02J7/045H02M3/33523
    • A power adaptor to supply power for a portable device has an input circuit (21) for receiving mains input power, a power switch device (25), a power inductance (24) and an output circuit (22) coupled to the power inductance to provide the supply power for the portable device, and a controller (26) for controlling the power switch device according to a supply power requirement of the portable device. The adaptor has a measurement inductance (27) magnetically coupled to the power inductance, and the controller comprises a measurement input (28) for detecting a measurement signal indicative of a magnetic state of the power inductance. The controller detects the supply power requirement based on the magnetic state in response to said controlling the power switch device. Advantageously different portable devices can be supplied by appropriate power.
    • 为便携式设备供电的电源适配器具有用于接收电源输入功率的输入电路(21),功率开关器件(25),功率电感(24)和耦合到功率电感的输出电路(22) 为便携式设备提供电力供应;以及控制器(26),用于根据便携式设备的电力需求来控制电力开关设备。 适配器具有与功率电感磁耦合的测量电感(27),并且控制器包括用于检测指示功率电感的磁状态的测量信号的测量输入(28)。 响应于所述控制电源开关装置,控制器基于磁状态检测供电电力需求。 有利地,可以通过适当的功率提供不同的便携式设备。