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    • 10. 发明授权
    • Electric power supply system for LED lighting unit
    • LED照明单元电源系统
    • US06897623B2
    • 2005-05-24
    • US10686234
    • 2003-10-15
    • Kenji YonedaTomomi IwataMasahiro Wakata
    • Kenji YonedaTomomi IwataMasahiro Wakata
    • H05B33/08H05B37/00
    • H05B33/0848
    • An electric power supply system is provided to recognize a type or a desired operating condition of a connected LED lighting unit automatically and to supply electric power corresponding to the type or the operating condition.An electric power supply system for LED lighting unit comprises an LED lighting unit 1 that has an LED conducting circuit including at least an LED 2 and a resistor 4 having resistance R corresponding to a specification or a characteristics of use of the LED conducting circuit and an electric power supply unit 5 consisting of a constant current supply that can be connected with both ends of the LED conducting circuit in order to supply electric power to the LED conducting circuit and is so arranged that a type identify portion 9 consisting of a resistor measuring circuit that can be connected with both ends of the resistor and a constant current control portion 8 that supplies a control current in an arbitrary range not over the maximum allowable current of the LED conducting circuit set based on the resistance of the resistor measured by the type identify portion 9 to the LED conducting circuit.
    • 提供电力供应系统以自动识别连接的LED照明单元的类型或期望的操作条件,并提供与类型或操作条件相对应的电力。 一种用于LED照明单元的电力供应系统包括具有LED导通电路的LED照明单元1,所述LED导通电路至少包括LED 2和具有对应于LED导通电路的使用的特性或特性的电阻R,以及 电源单元5,其由可以与LED导通电路的两端连接的恒流源组成,以便向LED导电电路提供电力,并且被布置成使得由电阻测量电路 可以与电阻器的两端连接,恒定电流控制部8以不同于LED导通电路组的最大允许电流的任意范围内提供控制电流,该电流控制部8基于由型号识别 部分9连接到LED导电电路。