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    • 18. 发明专利
    • Vacuum circuit breaker
    • 真空断路器
    • JP2011243569A
    • 2011-12-01
    • JP2011107497
    • 2011-05-12
    • Lsis Co Ltdエルエス産電株式会社Lsis Co., Ltd
    • RYU JI SOP
    • H01H33/662
    • H01H33/66261H01H2033/66284H01H2033/66292
    • PROBLEM TO BE SOLVED: To provide a vacuum circuit breaker that prevents a dielectric breakdown by lowering an electric field value by preventing an electric field from concentrating on an end of a shield by relaxing an equipotential distribution and then improving dielectric strength.SOLUTION: The vacuum circuit breaker includes an insulation vessel 110, a plurality of flanges 121, 122 sealing both ends of the insulation vessel 110, a fixed electrode 130 fixed in the insulation vessel 110, a movable electrode 140 installed slidably in the insulation vessel 110 opposite the fixed electrode 130, a main shield 150 fixed to the insulation vessel 110 so as to house the fixed electrode 130 and movable electrode 140, a fixed-side sub-shield 161 fixed and coupled to the insulation vessel 110 on one axial side of the main shield 150, and a movable-side sub-shield 165 fixed to the insulation vessel 110 to face the fixed-side sub-shield 165, bent portions 151, 162 or 166 being formed at at least one end part of the main shield 150, fixed-side sub-shield 161, or movable-side sub-shield 165.
    • 要解决的问题:提供一种真空断路器,其通过放松等电位分布然后提高介电强度来防止电场集中在屏蔽的端部上来降低电场值来防止电介质击穿。 解决方案:真空断路器包括绝缘容器110,密封绝缘容器110的两端的多个凸缘121,122,固定在绝缘容器110中的固定电极130,可滑动地安装在绝缘容器110中的可动电极140 与固定电极130相对的绝缘容器110,固定到绝缘容器110以便容纳固定电极130和可动电极140的主屏蔽件150,固定侧副屏蔽件161,其固定并联接到绝缘容器110上 主屏蔽件150的轴向侧和固定到绝缘容器110上以面向固定侧副屏蔽165的可动侧副屏蔽165,弯曲部分151,162或166形成在至少一个端部 主屏蔽150,固定侧副屏蔽161或可移动侧副屏蔽165.版权所有(C)2012,JPO&INPIT