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    • 10. 发明申请
    • LAMP CONTROL SYSTEM, LAMP POWER-SAVING SYSTEM AND METHOD THEREFOR
    • 灯控制系统,灯管节能系统及其方法
    • US20130162143A1
    • 2013-06-27
    • US13612712
    • 2012-09-12
    • Sui-Tsung ChenChing-Ran LeeJia-Hong Chen
    • Sui-Tsung ChenChing-Ran LeeJia-Hong Chen
    • H05B41/36H01J61/52
    • H01J61/52H01J61/72H05B41/295
    • A power-saving method for a lamp power-saving system is provided. The method includes the following steps. A lamp control unit is provided to control a fluorescent lamp. The lamp control unit includes a power conversion circuit and a preheat and lighting circuit. The preheat and lighting circuit, coupled to the power conversion circuit and two terminals of the fluorescent lamp, preheats and activates the fluorescent lamp, and outputs a feedback signal indicating a current passing through the fluorescent lamp. When the feedback signal indicates the fluorescent lamp is in a preheat mode, a resonant circuit of the preheat and lighting circuit is enabled to preheat the fluorescent lamp via a current path provided by a diode bridge of the preheat and lighting circuit. When the feedback signal indicates the fluorescent lamp is lighted, the current path of the preheat and lighting circuit is disconnected to stop preheating.
    • 提供了一种用于灯节电系统的省电方法。 该方法包括以下步骤。 提供灯控制单元来控制荧光灯。 灯控制单元包括电源转换电路和预热和照明电路。 耦合到功率转换电路和荧光灯的两个端子的预热和照明电路预热并激活荧光灯,并输出指示通过荧光灯的电流的反馈信号。 当反馈信号指示荧光灯处于预热模式时,预热和点亮电路的谐振电路能够通过由预热和照明电路的二极管桥提供的电流路径预热荧光灯。 当反馈信号指示荧光灯点亮时,预热和点亮电路的电流路径断开,停止预热。