High frequency driver for gas discharge lamp
    2.
    发明授权
    High frequency driver for gas discharge lamp 失效
    用于气体放电灯的高频驱动器

    公开(公告)号:US07746002B2

    公开(公告)日:2010-06-29

    申请号:US10597310

    申请日:2005-01-19

    IPC分类号: H05B37/02

    CPC分类号: H05B41/2825

    摘要: A high frequency driver for a gas discharge lamp is supplied with a DC voltage. The driver converts the input DC voltage to an AC voltage and supplies the AC voltage to a load, which comprises a gas discharge lamp, an inductor connected in series with the lamp and a capacitor connected in parallel to the lamp. The AC voltage has a first high frequency during ignition of the lamp and a second high frequency during normal operation of the lamp after its ignition. The first frequency is higher than the second frequency by a ratio of at least 2.2. By modulating the frequency of the AC voltage the ratio can be increased while still complying with EMI and RFI requirements.

    摘要翻译: 用于气体放电灯的高频驱动器被提供有直流电压。 驱动器将输入直流电压转换为交流电压,并将交流电压提供给负载,该负载包括气体放电灯,与灯串联的电感器和与灯并联连接的电容器。 在灯点火期间,AC电压具有第一高频,并且在其点火之后在灯的正常操作期间具有第二高频。 第一频率比第二频率高至少2.2的比率。 通过调制交流电压的频率可以提高比率,同时仍然符合EMI和RFI要求。