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    • 8. 发明申请
    • LOW PRESSURE GAS DISCHARGE SWITCH
    • 低压气体放电开关
    • WO1998026442A1
    • 1998-06-18
    • PCT/DE1997002864
    • 1997-12-09
    • SIEMENS AKTIENGESELLSCHAFTHARTMANN, WernerLINS, GünterROHDE, Klaus-DieterSTROH, JanKIESER, JörgHOENE, Ernst-Ludwig
    • SIEMENS AKTIENGESELLSCHAFT
    • H01J17/04
    • H01J17/04H01H33/6642H01J17/14H01J17/44
    • To enable gas discharge at a low pressure, at least two main electrodes separated by a distance d are provided, defining in a circuit-breaking case the cathode and the anode with the spacing required for said gas discharge at a low pressure. The gas discharge is triggered by increasing the electron density in the hollow cathode space. It is also necessary for the cathode to have at least one opening and preferably that both the cathode and the anode have aligned openings facing each other. According to the invention, elements are mounted on the main electrodes to create a magnetic field above the discharge between said main electrodes (1, 1a, 2, 2a). These elements are used to generate a magnetic field oriented either substantially parallel to the current flow during the discharge or transversal to the latter. Said elements are advantageously realized in the form of stretch punctures (11, 11', 21, 21') either in hollow cylinders forming part of the anode (1) and the cathode (2) designed as hollow electrodes or in the supply conductors associated therewith.
    • 对于低压气体排出的至少两个d彼此间隔主电极都存在,其形成阴极和用于在切换室的低压气体放电的放电路径的阳极。 气体放电是通过在阴极腔增加电子密度点燃,至少在至少一个开口,优选地在阴极和阳极的阴极已相互对准的相对的开口,用于触发放电。 根据本发明,所述主电极(1,1A,2,2A)包括用于生成所述主电极之间(1,1A,2,2A)分配给叠加磁场的放电装置(11,11”,21,21' )与 任一主要平行相对于在放电或产生主要垂直磁场的电流方向。 所述装置是由在所述中空圆柱体的狭缝(11,11”,21,21' )有利地形成(1B,2B),一个中空电极阳极(1)和阴极(2),或在相关联的电源线实现的形式的一部分。