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    • 7. 发明公开
    • EXTERIOR AIRCRAFT LIGHT UNIT AND METHOD OF DISABLING A LIGHT OUTPUT OF AN EXTERIOR AIRCRAFT LIGHT UNIT
    • 外用飞机发光单元以及禁用外用飞机发光单元的光输出的方法
    • EP3297404A1
    • 2018-03-21
    • EP16189341.7
    • 2016-09-16
    • Goodrich Lighting Systems GmbH
    • Klein, FrankHessling-von Heimendahl, AndreTrinschek, Robert
    • H05B33/08B64D47/02H05B37/03
    • H05B33/0893B64D47/02B64D47/06B64D2203/00F21V5/08F21W2107/30H05B33/0848H05B37/03
    • An exterior aircraft light unit (2) includes a power input (4) coupleable to an aircraft on-board power supply (40); at least one LED (12) coupled to the power input for receiving power from the aircraft on-board power supply and configured to emit a light output; an optical sensor (16) arranged for sensing an intensity detection portion (28) of the light output and configured to output a detection signal indicative of an intensity level of the light output; an end of life detector (30), coupled to the optical sensor for receiving the detection signal and configured to determine an end of life condition; and a fuse circuit (18) coupled to the end of life detector; wherein the at least one LED and the fuse circuit are arranged on an LED circuit board (10) and wherein the fuse circuit is configured to irreversibly disable the LED circuit board upon the end of life detector communicating the end of life condition to the fuse circuit.
    • 外部飞行器照明单元(2)包括可连接到飞行器机载电源(40)的电源输入端(4); 耦合到所述电力输入端的至少一个LED(12),用于接收来自所述飞行器机载电源的电力并配置成发射光输出; 光学传感器(16),其被布置用于感测所述光输出的强度检测部分(28)并且被配置为输出指示所述光输出的强度水平的检测信号; 寿命终止检测器(30),其耦合到所述光学传感器,用于接收所述检测信号并且被配置为确定寿命终止状况; 和耦合到所述寿命终止检测器的熔丝电路(18) 其中所述至少一个LED和所述熔丝电路布置在LED电路板(10)上,并且其中所述熔丝电路被配置为在所述寿命终止检测器将所述寿命终止状态传达至所述熔丝电路时不可逆地禁用所述LED电路板 。