RF Induction lamp with reduced electromagnetic interference
    1.
    发明公开
    RF Induction lamp with reduced electromagnetic interference 审中-公开
    Induktiv gekoppelte RF-Lampe mit reduzierter elektromagnetischer Interferenz

    公开(公告)号:EP1587134A2

    公开(公告)日:2005-10-19

    申请号:EP05002967.7

    申请日:2005-02-11

    IPC分类号: H01J65/04

    CPC分类号: H01J65/048

    摘要: An electrodeless fluorescent lamp 10 has an envelope 12 that includes a chamber 14. A core 16 of magnetic material, preferably ferrite, is positioned in the chamber 14 and has a first winding 18 surrounding the core and having first and second lead-in wires 20, 22, attached to a high frequency voltage supply or ballast 24. A second winding 26 surrounds the core 16, respective turns of the second winding 26 being located adjacent turns of the first winding 18 and electrically insulated therefrom. The second winding 26 has a free end 28 and has another end 30 connected to one of the lead-in wires, for example 20. A braided sheath 32 surrounds the other of the lead-in wires 22. The first winding 18 is generally called the RF antenna. The braided sheath 32 is connected to the local ground. This inexpensive solution alone reduces the conductive EMI level sufficiently to pass all existing regulations on such interference with significant reserve.

    摘要翻译: 无电极荧光灯10具有包括腔室14的外壳12.磁性材料的核心16优选地是铁氧体,位于腔室14中,并且具有围绕磁芯并具有第一和第二引入线20的第一绕组18 ,22连接到高频电压源或镇流器24.第二绕组26围绕芯16,第二绕组26的相应匝位于第一绕组18的匝附近并与之电绝缘。 第二绕组26具有自由端28,并且具有连接到例如20的引入线中的一个的另一端30.编织护套32围绕另外的引入线22.第一绕组18通常称为 RF天线。 编织护套32连接到局部地面。 这种廉价的解决方案可以将导电EMI级别充分降低,以便通过所有现有规定对这种干扰具有显着的储备。

    Discharge light source with reduced magnetic interference
    2.
    发明公开
    Discharge light source with reduced magnetic interference 失效
    Entladungslampe mit verringerter magnetischerStörstrahlung

    公开(公告)号:EP0749151A1

    公开(公告)日:1996-12-18

    申请号:EP96109391.1

    申请日:1996-06-12

    IPC分类号: H01J65/04

    CPC分类号: H01J65/048 H05B41/24

    摘要: A simple and effective technique for reducing an external magnet flux emitted from a driven inductor (19) surrounded by an ionizable gaseous medium (15). This technique includes surrounding the inductor (19) with at least one shielding conductive loop (23), terminating the shielding loop in a capacitive termination (24) to resonate, and maintaining a resonant frequency of the capacitive termination (24) in series with an inductance of the shielding loop (23) below the predetermined driving frequency of the inductor (19).

    摘要翻译: 该方法包括利用具有电感的至少一个屏蔽导电环来围绕电感器,将电容端接中的至少一个屏蔽环终止,以与至少一个屏蔽回路谐振,并且将电容端接的谐振频率与 屏蔽回路的电感低于初级线圈的预定驱动频率。 在无电极低压放电灯中保持感应放电的方法还包括提供填充有气体介质的密封透明灯泡,气体介质包括稀有气体和汽化金属,电感器被接收在灯中 信封。 荧光材料层设置在灯壳的内表面上。 提供了一种用于向初级线圈施加高频功率以在灯外壳内产生电磁场以保持气态介质中的感应放电的装置,该荧光材料响应气态介质中的放电而发光。

    Electrodeless lamp having compensation loop for suppression of magnetic interference
    3.
    发明公开
    Electrodeless lamp having compensation loop for suppression of magnetic interference 失效
    电子邮件通知on zen zen zen zen zen zen zen zen zen zen zen zen zen zen zen zen zen

    公开(公告)号:EP0890977A1

    公开(公告)日:1999-01-13

    申请号:EP98112242.7

    申请日:1998-07-02

    IPC分类号: H01J65/04 H05B41/24

    摘要: An electric lamp assembly includes an electrodeless lamp having an electrodeless lamp envelope enclosing a fill material for supporting a low pressure discharge, a driving inductor including a magnetic core disposed in proximity to the lamp envelope and an input winding disposed on the magnetic core, a compensation loop disposed in proximity to the lamp envelope, a radio frequency power source and a compensation loop network. The compensation loop network has an input coupled to the radio frequency power source and outputs coupled to the input winding and to the compensation loop. The radio frequency power source and the compensation loop network supply radio frequency energy to the electrodeless lamp to produce a discharge in the lamp envelope and supply radio frequency energy to the compensation loop to generate a magnetic field that substantially counteracts a magnetic field produced by the discharge. In one embodiment, the lamp envelope is a closed-loop, tubular lamp envelope, and the magnetic core is disposed around the lamp envelope. In another embodiment, the lamp envelope includes a reentrant cavity, and the magnetic core is disposed in the reentrant cavity.

    摘要翻译: 一种电灯组件,包括无电极灯,其具有封闭用于支撑低压放电的填充材料的无电极灯管,包括设置在灯壳附近的磁芯的驱动电感器和设置在磁芯上的输入绕组, 环路设置在灯壳附近,射频电源和补偿环路网络。 补偿环路网络具有耦合到射频电源的输入和耦合到输入绕组和补偿环路的输出。 射频电源和补偿回路网络向无电极灯供电射频能量,以在灯壳中产生放电,并向补偿环路提供射频能量,以产生基本抵消由放电产生的磁场的磁场 。 在一个实施例中,灯壳是闭环的管状灯泡,并且磁芯设置在灯壳周围。 在另一个实施例中,灯壳包括可折入腔,并且磁芯设置在可重入腔中。

    RF Induction lamp with reduced electromagnetic interference
    5.
    发明公开
    RF Induction lamp with reduced electromagnetic interference 审中-公开
    RF感应耦合灯以减少电磁干扰

    公开(公告)号:EP1587134A3

    公开(公告)日:2010-01-06

    申请号:EP05002967.7

    申请日:2005-02-11

    IPC分类号: H01J65/04

    CPC分类号: H01J65/048

    摘要: An electrodeless fluorescent lamp 10 has an envelope 12 that includes a chamber 14. A core 16 of magnetic material, preferably ferrite, is positioned in the chamber 14 and has a first winding 18 surrounding the core and having first and second lead-in wires 20, 22, attached to a high frequency voltage supply or ballast 24. A second winding 26 surrounds the core 16, respective turns of the second winding 26 being located adjacent turns of the first winding 18 and electrically insulated therefrom. The second winding 26 has a free end 28 and has another end 30 connected to one of the lead-in wires, for example 20. A braided sheath 32 surrounds the other of the lead-in wires 22. The first winding 18 is generally called the RF antenna. The braided sheath 32 is connected to the local ground. This inexpensive solution alone reduces the conductive EMI level sufficiently to pass all existing regulations on such interference with significant reserve.