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    • 8. 发明授权
    • LED test switch and mounting assembly
    • LED测试开关和安装组件
    • US06522147B1
    • 2003-02-18
    • US09865913
    • 2001-05-24
    • Paul Kenneth PickardEdward Roger Adams
    • Paul Kenneth PickardEdward Roger Adams
    • G01R3100
    • G01R31/44H01H13/023H01H2219/04H01H2219/052H02J9/065
    • A manually operable test switch useful for testing of inverter units installed in fluorescent lighting fixtures, the inverter units providing an emergency lighting capability to the lighting fixtures on interruption of usual mains AC power and the test switch providing an ability to test the condition of the inverter units during normal maintenance activity. Operation of the test switch shorts an LED carried by a housing of the switch, the housing also being formed integrally with an adjustable toothed connector for mounting the test switch to a portion of the lighting fixture. The switch housing mounts an electrical contact element under spring loading from a resilient bushing, the contact being displaceable against the spring loading by manual manipulation of an electrical circuit which includes the inverter unit so that the LED is shorted and lamping driven under normal conditions is illuminated at reduced levels to prove functional use of the lamping and associated circuitry of the inverter unit for worthiness to function on loss of usual AC mains power.
    • 一种手动操作的测试开关,用于测试安装在荧光灯具中的逆变器单元,逆变器单元在通常的市电交流电源中断时向照明设备提供应急照明能力,测试开关提供测试变频器状态的能力 单位正常维护活动。 测试开关的操作使由开关的壳体承载的LED短路,壳体也与可调节的齿形连接器一体地形成,用于将测试开关安装到照明器具的一部分。 开关壳体在弹性负载下从弹性衬套安装电接触元件,通过手动操纵包括逆变器单元的电路,接触件可以抵抗弹簧负载移动,使得LED在短路状态下并且在正常条件下被照亮驱动 以降低能力,以证明逆变器单元的灯和相关电路的功能使用,以便在通常的交流电源功率损失方面起作用。