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    • 7. 发明授权
    • Gas-insulated high-voltage switch
    • 气体绝缘高压开关
    • US08766131B2
    • 2014-07-01
    • US13105377
    • 2011-05-11
    • Javier MantillaNicola GariboldiStephan GrobOliver CossalterMathias-Dominic Buergler
    • Javier MantillaNicola GariboldiStephan GrobOliver CossalterMathias-Dominic Buergler
    • H01H33/82
    • H01H33/903
    • A high-voltage switch includes a contact arrangement having two arcing contacts, one of which is supported displaceably against the action of a pretensioned spring. When the contact arrangement is closed, the free ends of the two arcing contacts are supported on one another. When the contact arrangement is opened, the two arcing contacts separate and during this process an arcing zone, accommodating compressed arc gas, is produced which is limited axially by free ends of the two arcing contacts and radially by an insulating nozzle toward the outside. To prevent the displaceably supported arcing contact from returning against the action of the pretensioned spring when a large short-circuit current is interrupted, the switch includes a piston/cylinder system functioning as a restoring device, which communicates with the arcing zone and which, with increasing pressure of the compressed arc gas produced in the arcing zone, generates a restoring force supporting the repelling force of the pretensioned spring.
    • 高压开关包括具有两个电弧触点的触点装置,其中一个触点抵抗预拉伸弹簧的作用被可移动地支撑。 当接触装置关闭时,两个电弧触头的自由端彼此支撑。 当接触装置打开时,两个电弧触头分离,并且在该过程中,产生容纳压缩电弧气体的电弧区,该电弧区由两个电弧触点的自由端轴向限制,并且通过绝缘喷嘴径向径向向外限制。 为了防止可移动地支撑的电弧触头在大的短路电流被中断时抵抗预拉伸弹簧的作用而返回,开关包括用作恢复装置的活塞/气缸系统,其与电弧区域连通,并且与 在电弧区产生的压缩电弧气体的增加的压力产生支撑预紧弹簧的排斥力的恢复力。