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    • 1. 发明授权
    • Vacuum switchgear
    • 真空开关柜
    • US06884940B1
    • 2005-04-26
    • US10914290
    • 2004-08-10
    • Tomoaki UtsumiKazuhiro SatouTakashi ShironeKenji TsuchiyaMasato Kobayashi
    • Tomoaki UtsumiKazuhiro SatouTakashi ShironeKenji TsuchiyaMasato Kobayashi
    • H02B13/055H01B1/00H01H1/58H01H31/00H01H33/02H01H33/66H01H33/662H01H33/666H02B13/02H05K5/00H05K9/00
    • H01H33/66261H01H1/5822H01H31/003H01H33/022H01H33/6661H01H2033/66284H01H2033/6668
    • A main circuit switching unit and an isolator are accommodated in a vacuum container. A first conductor and a main circuit conductor are arranged to extend in and out of the vacuum container. A movable electrode of the main circuit switching unit is connected to the first conductor through a first flexible conductor, and a movable electrode of the isolator is connected to the main circuit conductor through a second flexible conductor. A shield is arranged around the first conductor and the main circuit conductor. Another shield is arranged around a connecting portion between the first flexible conductor and the movable electrode of the main circuit switching unit. A still another shield is arranged around the isolator. A further another shield is arranged around the second flexible conductor. These shields are secured to the vacuum container through insulating spacers. This arrangement instantly eliminates a dielectric breakdown phenomenon that occurs at electric field concentrated regions by the shields to prevent a dielectric breakdown caused by particulate foreign matters and thereby improve an insulation reliability of the devices.
    • 主电路切换单元和隔离器容纳在真空容器中。 第一导体和主电路导体布置成在真空容器内延伸出来。 主电路切换单元的可动电极通过第一柔性导体连接到第一导体,隔离器的可动电极通过第二柔性导体连接到主电路导体。 围绕第一导体和主电路导体布置屏蔽。 在主电路切换单元的第一柔性导体和可动电极之间的连接部分周围布置有另一个屏蔽。 隔离器周围还设有另一个屏蔽。 另一个屏蔽围绕第二柔性导体设置。 这些屏蔽件通过绝缘垫片固定到真空容器。 这种布置立即消除了由屏蔽件在电场集中区域处发生的介电击穿现象,以防止由颗粒异物引起的电介质击穿,从而提高器件的绝缘可靠性。
    • 2. 发明申请
    • VACUUM SWITCHGEAR
    • 真空开关
    • US20050103514A1
    • 2005-05-19
    • US10914290
    • 2004-08-10
    • Tomoaki UtsumiKazuhiro SatouTakashi ShironeKenji TsuchiyaMasato Kobayashi
    • Tomoaki UtsumiKazuhiro SatouTakashi ShironeKenji TsuchiyaMasato Kobayashi
    • H02B13/055H01B1/00H01H1/58H01H31/00H01H33/02H01H33/66H01H33/662H01H33/666H02B13/02H05K5/00H05K9/00
    • H01H33/66261H01H1/5822H01H31/003H01H33/022H01H33/6661H01H2033/66284H01H2033/6668
    • A main circuit switching unit and an isolator are accommodated in a vacuum container. A first conductor and a main circuit conductor are arranged to extend in and out of the vacuum container. A movable electrode of the main circuit switching unit is connected to the first conductor through a first flexible conductor, and a movable electrode of the isolator is connected to the main circuit conductor through a second flexible conductor. A shield is arranged around the first conductor and the main circuit conductor. Another shield is arranged around a connecting portion between the first flexible conductor and the movable electrode of the main circuit switching unit. A still another shield is arranged around the isolator. A further another shield is arranged around the second flexible conductor. These shields are secured to the vacuum container through insulating spacers. This arrangement instantly eliminates a dielectric breakdown phenomenon that occurs at electric field concentrated regions by the shields to prevent a dielectric breakdown caused by particulate foreign matters and thereby improve an insulation reliability of the devices.
    • 主电路切换单元和隔离器容纳在真空容器中。 第一导体和主电路导体布置成在真空容器内延伸出来。 主电路切换单元的可动电极通过第一柔性导体连接到第一导体,隔离器的可动电极通过第二柔性导体连接到主电路导体。 围绕第一导体和主电路导体布置屏蔽。 在主电路切换单元的第一柔性导体和可动电极之间的连接部分周围布置有另一个屏蔽。 隔离器周围还设有另一个屏蔽。 另一个屏蔽围绕第二柔性导体设置。 这些屏蔽件通过绝缘垫片固定到真空容器。 这种布置立即消除了由屏蔽件在电场集中区域处发生的介电击穿现象,以防止由颗粒异物引起的电介质击穿,从而提高器件的绝缘可靠性。
    • 4. 发明授权
    • Vacuum switchgear
    • 真空开关柜
    • US07244903B2
    • 2007-07-17
    • US11079079
    • 2005-03-15
    • Tomoaki UtsumiKazuhiro SatouTakashi ShironeKenji TsuchiyaMasato Kobayashi
    • Tomoaki UtsumiKazuhiro SatouTakashi ShironeKenji TsuchiyaMasato Kobayashi
    • H01H33/66
    • H01H33/66261H01H1/5822H01H31/003H01H33/022H01H33/6661H01H2033/66284H01H2033/6668
    • A main circuit switching unit and an isolator are accommodated in a vacuum container. A first conductor and a main circuit conductor are arranged to extend in and out of the vacuum container. A movable electrode of the main circuit switching unit is connected to the first conductor through a first flexible conductor, and a movable electrode of the isolator is connected to the main circuit conductor through a second flexible conductor. A shield is arranged around the first conductor and the main circuit conductor. Another shield is arranged around a connecting portion between the first flexible conductor and the movable electrode of the main circuit switching unit. A still another shield is arranged around the isolator. A further another shield is arranged around the second flexible conductor. These shields are secured to the vacuum container through insulating spacers. This arrangement instantly eliminates a dielectric breakdown phenomenon that occurs at electric field concentrated regions by the shields to prevent a dielectric breakdown caused by particulate foreign matters and thereby improve an insulation reliability of the devices.
    • 主电路切换单元和隔离器容纳在真空容器中。 第一导体和主电路导体布置成在真空容器内延伸出来。 主电路切换单元的可动电极通过第一柔性导体连接到第一导体,隔离器的可动电极通过第二柔性导体连接到主电路导体。 围绕第一导体和主电路导体布置屏蔽。 在主电路切换单元的第一柔性导体和可动电极之间的连接部分周围布置有另一个屏蔽。 隔离器周围还设有另一个屏蔽。 另一个屏蔽围绕第二柔性导体设置。 这些屏蔽件通过绝缘垫片固定到真空容器。 这种布置立即消除了由屏蔽件在电场集中区域处发生的介电击穿现象,以防止由颗粒异物引起的电介质击穿,从而提高器件的绝缘可靠性。