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    • 9. 发明授权
    • Vacuum circuit breaker
    • 真空断路器
    • US08426759B2
    • 2013-04-23
    • US12989250
    • 2009-04-21
    • Kazuhiro NagatakeTooru KobayashiYoshihiko Matsui
    • Kazuhiro NagatakeTooru KobayashiYoshihiko Matsui
    • H01H33/666
    • H01H33/666H01H1/50
    • Vacuum circuit breakers are to gain an extended lifetime by reducing contact face damage of moving and fixed electrodes with improved voltage withstand performance therebetween and enhanced interruption performance. Vacuum circuit breaker of the present invention has bulb 10 having: insulative vacuum tube 11; and fixed electrode 12 on end of current-carrying conductor 13 and moving electrode 15 on end of another current-carrying conductor 16 arranged in insulative vacuum tube 11 with their electrode contact faces opposed each other. Operation system for manipulating current-carrying conductor 16 of moving electrode 15 is equipped with compression-spring 20 and auxiliary compression-spring 21 that increases initial opening speed of moving electrode 15. Auxiliary compression-spring 21 ceases energizing in the middle of a circuit breaking movement of moving electrode 15 and begins storing spring energy in the middle of a circuit closing movement of the same.
    • 通过减小移动和固定电极的接触面损伤,真空断路器可延长使用寿命,同时提高其耐压性能并提高其中断性能。 本发明的真空断路器具有灯泡10,其具有:绝缘真空管11; 在载流导体13的端部固定电极12和位于绝缘真空管11上的另一载流导体16的端部的移动电极15,其电极接触面彼此相对。 用于操作移动电极15的载流导体16的操作系统配备有增加移动电极15的初始打开速度的压缩弹簧20和辅助压缩弹簧21.辅助压缩弹簧21在断路中间停止通电 移动电极15的移动,并开始在其闭路运动的中间存储弹簧能量。
    • 10. 发明申请
    • VACUUM CIRCUIT BREAKER
    • 真空断路器
    • US20110036812A1
    • 2011-02-17
    • US12989250
    • 2009-04-21
    • Kazuhiro NagatakeTooru KobayashiYoshihiko Matsui
    • Kazuhiro NagatakeTooru KobayashiYoshihiko Matsui
    • H01H33/66
    • H01H33/666H01H1/50
    • Vacuum circuit breakers are to gain an extended lifetime by reducing contact face damage of moving and fixed electrodes with improved voltage withstand performance therebetween and enhanced interruption performance. Vacuum circuit breaker of the present invention has bulb 10 having: insulative vacuum tube 11; and fixed electrode 12 on end of current-carrying conductor 13 and moving electrode 15 on end of another current-carrying conductor 16 arranged in insulative vacuum tube 11 with their electrode contact faces opposed each other. Operation system for manipulating current-carrying conductor 16 of moving electrode 15 is equipped with compression-spring 20 and auxiliary compression-spring 21 that increases initial opening speed of moving electrode 15. Auxiliary compression-spring 21 ceases energizing in the middle of a circuit breaking movement of moving electrode 15 and begins storing spring energy in the middle of a circuit closing movement of the same.
    • 通过减少移动和固定电极的接触面损伤,真空断路器可以延长使用寿命,同时提高其耐压性能并提高中断性能。 本发明的真空断路器具有:具有绝缘真空管11的灯泡10; 在载流导体13的端部固定电极12和位于绝缘真空管11上的另一载流导体16的端部的移动电极15,其电极接触面彼此相对。 用于操作移动电极15的载流导体16的操作系统配备有增加移动电极15的初始打开速度的压缩弹簧20和辅助压缩弹簧21.辅助压缩弹簧21在断路中间停止通电 移动电极15的移动并开始在其闭合电路运动的中间存储弹簧能量。