Circuit arrangement for operating a gas-discharge lamp
    4.
    发明授权
    Circuit arrangement for operating a gas-discharge lamp 失效
    用于操作气体放电灯的电路装置

    公开(公告)号:US5367227A

    公开(公告)日:1994-11-22

    申请号:US840731

    申请日:1992-02-21

    CPC分类号: H05B41/042

    摘要: A circuit arrangement for operating a gas-discharge lamp is proposed, in which the high voltage for starting the gas-discharge lamp is generated by means of the energy stored in a transformer or capacitor. In order to obtain a steep rise in voltage of the starting voltage, the starting voltage is provided to the gas-discharge lamp via a voltage-controlled switch. A break-over diode, which has very short switching times, is proposed as the voltage-controlled switch. The starting circuit is switched off after starting. This circuit arrangement is also particularly suitable for starting gas-discharge lamps which are warm from operation. In consequence, it is particularly suitable for motor vehicle headlights.

    摘要翻译: 提出了一种用于操作气体放电灯的电路装置,其中用于启动气体放电灯的高电压通过存储在变压器或电容器中的能量产生。 为了获得起动电压的急剧上升,通过压控开关将起动电压提供给气体放电灯。 提出了具有非常短的开关时间的断路二极管作为电压控制开关。 起动电路在启动后关闭。 该电路装置也特别适用于启动工作温暖的气体放电灯。 因此,它特别适用于机动车辆前大灯。