Emergency lighting circuits
    1.
    发明授权
    Emergency lighting circuits 失效
    应急照​​明电路

    公开(公告)号:US4686424A

    公开(公告)日:1987-08-11

    申请号:US820723

    申请日:1986-01-21

    IPC分类号: H02J9/06 H05B41/285 H05B37/00

    CPC分类号: H02J9/065 H05B41/2853

    摘要: An emergency lighting circuit includes a lamp which can be energized by a battery-inverter circuit upon power failure. The battery is connected to the inverter circuit and the lamp by operation of a relay which is connected to the rectifier supplying charging current to the battery. The rectifier is connected across the line in series with a ballast reactor. The circuit can be used as emergency lighting only or the lamp can be employed for normal lighting purposes and switched to the inverter power when line voltage is interrupted.

    摘要翻译: 应急照​​明电路包括在停电时可由电池 - 逆变器电路通电的灯。 电池通过连接到整流器的继电器通​​过向蓄电池提供充电电流而连接到逆变器电路和灯。 整流器与镇流器反应器串联连接。 该电路只能用作应急照明灯,或者灯具可以用于正常的照明目的,并在线路电压中断时切换到变频器电源。