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    • 4. 发明公开
    • MOLDED CASE CIRCUIT BREAKER
    • 塑壳断路器
    • EP2804196A4
    • 2016-01-06
    • EP12864991
    • 2012-12-21
    • HYUN DAI HEAVY IND CO LTD
    • AN BYUNG SOO
    • H01H71/02H01H9/34H01H73/06H01H73/18
    • H01H71/02H01H9/34H01H71/0207H01H73/06H01H73/18
    • A circuit breaker includes a plurality of fixable bars configured to form fixable contacts, a plurality of movable bars configured to be rotated through a switch to be connected to or disconnected with the plurality of the fixable bars and configured to form movable contacts opposing the fixable contacts, a plurality of arc chambers configured to cover contact parts of the plurality of the fixable bars and the plurality of the movable bars to remove an arc being generated on the contact parts, a bottom base configured to separately accommodate the plurality of the movable bars, the plurality of the fixable bars and the plurality of the arc chambers, each being in a rotation direction and configured to be integrally molded and a top base configured to form a pair with the bottom base to separately seal the plurality of the movable bars, the plurality of the fixable bars and the plurality of the arc chambers and to be integrally molded. The circuit breaker may prevent molten material inflow in a circuit breaker through a separate seal and insulation of components, each associated with a phase when a short circuit failure occurs, may prevent insulating performance decrease through the molten material inflow, may shorten an arc extinguishing time by an internal pressure increase through separately sealing components, each associated with a phase when a short circuit failure occurs thereby the circuit breaker may easily ensure short circuit performance, may implement a separate sealing structure of the components through a vertical integration of a bottom base and a top base, may have a simple structure and may increase assembly productivity.
    • 9. 发明公开
    • GAS INSULATED SWITCHGEAR
    • GASISOLIERTES SCHALTGETRIEBE
    • EP2667395A4
    • 2013-12-18
    • EP11856618
    • 2011-10-18
    • HYUN DAI HEAVY IND CO LTD
    • LEE CHULHOKIM JIHOON
    • H01H33/66H02B13/035
    • H02B13/035H01H33/122H01H33/42
    • The present invention relates to a gas insulated switchgear which removes erroneous operations, significantly reduces the size of the switchgear to enable easy installation, and largely improves safety through the removal of an arc by linearly arranging a disconnector of a main line portion and a disconnector of a load drawing line portion at both sides of a power circuit breaker, enabling a safe switching operation through a linear insulating rod, integrally mounting the disconnector around the circuit breaker to prevent the inversion of operation orders of the disconnector and the circuit breaker, and integrating switching operations of the circuit breaker and the disconnector to subsequently perform switching operations of the circuit breaker and the disconnector through an operating rod linearly connected to the circuit breaker and the disconnector.
    • 气体绝缘开关装置技术领域本发明涉及一种气体绝缘开关装置,该装置消除了错误的操作,显着地减小了开关装置的尺寸以使安装容易,并且通过线性地布置主线部分的隔离开关和 在电源断路器两侧的负载引出线部分,通过线性绝缘杆实现安全的开关操作,将断路器一体地安装在断路器周围以防止断路器和断路器的操作命令反转, 断路器和隔离开关的切换操作,以随后通过线性地连接到断路器和隔离开关的操作杆执行断路器和隔离开关的切换操作。