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    • 5. 发明申请
    • POWER SUPPLY FOR LED AIRFIELD LIGHTING
    • LED航空照明电源
    • WO2005015957A2
    • 2005-02-17
    • PCT/US2004025868
    • 2004-08-09
    • COOPER IND INCWEAVER JAMES TTHAT DANIEL AKAYSER KENNETH W
    • WEAVER JAMES TTHAT DANIEL AKAYSER KENNETH W
    • G09F9/33H05B33/08H05B37/03H05B
    • H05B37/038G09F9/33H05B33/0851H05B33/0854
    • A power supply for LED airfield lighting includes a regulated power supply having a power input, an LED control signal input, and a power output. The power input is configured to be connected to a power source, the LED control signal input is configured to receive an LED control signal, the power output is configured to supply an LED drive current to one or more of the LEDs, and the regulated power supply configured to adjust the LED drive current based upon the LED control signal. The regulated power supply also includes a processor having a current sense input and an LED control signal output connected to the LED control signal input of the regulated power supply. The current sense input is configured to receive a signal corresponding to an airfield current step. The processor is programmed to determine the LED control signal based upon the current sense input signal. The LED control signal is determined so as to enable the LEDs to have a relative intensity approximately equal to relative intensity of an incandescent light source driven at the airfield current step.
    • 用于LED机场照明的电源包括具有电源输入,LED控制信号输入和功率输出的稳压电源。 电源输入被配置为连接到电源,LED控制信号输入被配置为接收LED控制信号,电源输出被配置为向一个或多个LED提供LED驱动电流,并且调节功率 电源被配置为基于LED控制信号来调节LED驱动电流。 调节电源还包括具有电流检测输入和连接到调节电源的LED控制信号输入的LED控制信号输出的处理器。 电流检测输入被配置为接收对应于机场电流步长的信号。 处理器被编程为基于电流检测输入信号来确定LED控制信号。 LED控制信号被确定为使得LED能够具有近似等于在机场电流步骤驱动的白炽光源的相对强度的相对强度。