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    • 3. 发明公开
    • DRIVER FOR A SOLID STATE LAMP
    • 司机为一个固态灯
    • EP2514273A1
    • 2012-10-24
    • EP10809182.8
    • 2010-12-10
    • Koninklijke Philips Electronics N.V.
    • CLAESSENS, Dennis Johannes AntoniusHONTELÉ, Bertrand Johan EdwardVAN DER VEEN, Geert Willem
    • H05B33/08
    • H05B33/0815Y02B20/347Y02B20/383
    • An electronic driver (100) for driving a solid state lamp (L) is capable of: receiving phase-cut AC supply voltage (PCACV); deriving from the phase-cut AC supply voltage dim information defining a desired dim level of the light output of the lamp; driving the solid state lamp in a dim mode at a dim level corresponding to the desired dim level as derived from the phase-cut AC supply voltage. For the purpose of deriving the dim information, the driver senses its input current. In an embodiment, the driver comprises: a controllable lamp current generator (130); a control device (140) controlling the lamp current generator; a rectifier (110) rectifying the received phase-cut AC supply voltage; a current sensor (150) sensing the output current (Ic) of the rectifier; a signal processor (160) processing the current sensor output signal and generating an input signal for the control device (140).
    • 一种用于驱动固态灯(L)的电子驱动器(100)能够:接收舍相交流电源电压(PCACV); 从限定所述灯的光输出的期望调光水平的所述相切AC电源电压调光信息导出; 以对应于从相切交流电源电压导出的期望调光水平的调光水平以暗模式驱动固态灯。 为了导出模糊信息,驱动器检测其输入电流。 在一个实施例中,驱动器包括:可控灯电流发生器(130); 控制装置(140),控制灯电流发生器; 整流器(110),其整流所接收的舍相AC供电电压; 感测整流器的输出电流(Ic)的电流传感器(150) 信号处理器(160),其处理所述电流传感器输出信号并生成用于所述控制装置(140)的输入信号。