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    • 5. 发明授权
    • Compressed gas-blast circuit breaker
    • 压缩式气体断路器
    • US5578806A
    • 1996-11-26
    • US506117
    • 1995-07-24
    • Werner HofbauerJoachim Stechbarth
    • Werner HofbauerJoachim Stechbarth
    • H01H33/24H01H33/90H01H33/42H01H33/915
    • H01H33/904H01H2033/028H01H33/245H01H33/901
    • The compressed gas-blast circuit breaker includes two moving contact members (1, 2) which are guided to move counter to one another along an axis (3) in a chamber which is filled with insulating gas. These contact members each have an arcing contact (8, 9) and a main current contact (6, 7). An insulating nozzle (10) mounted on a contact member (1) is moved directly by a drive, and compressed gas is passed, during disconnection, through the constriction (11) in the insulating nozzle (10) into an exhaust space (14) from a pressure space (12), which is independent of the switching travel, and/or from a compression space (19), which is operated by the contact members. Drive force is passed to a contact member (2), which absorbs force, from the directly-driven contact member (1), through an insulating part and a speed converter. During disconnection, if the functionally essential parts of the force-absorbing contact member (2), such as the arcing contact (9), the main current contact (7) and the shields, are suitably driven, it forms an insulating path, which can be highly stressed dielectrically, in a short time while optimally using a comparatively small drive force.
    • 压缩气体爆破断路器包括两个可移动的接触构件(1,2),它们被引导以沿着填充有绝缘气体的腔室中的轴线(3)彼此相反移动。 这些接触构件各自具有电弧触点(8,9)和主电流触点(6,7)。 安装在接触构件(1)上的绝缘喷嘴(10)直接由驱动器移动,并且在断开期间压缩气体通过绝缘喷嘴(10)中的收缩部(11)进入排气空间(14) 来自与开关行程无关的压力空间(12)和/或来自由接触构件操作的压缩空间(19)。 驱动力通过绝缘部件和速度转换器传递到从直接驱动的接触部件(1)吸收力的接触部件(2)。 在断开期间,如果诸如电弧触点(9),主电流触头(7)和屏蔽件之类的吸力接触元件(2)的功能上重要的部件被适当地驱动,则其形成绝缘路径, 可以在较短的时间内以较小的驱动力进行最佳的介电应力。