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    • 8. 发明公开
    • Circuit-breaker pole part with a heat transfer shield
    • Polteil eines Schutzschalters mit einemWärmeübertragungsschild
    • EP2682973A1
    • 2014-01-08
    • EP12004904.4
    • 2012-07-02
    • ABB Technology AG
    • Reuber, Christian, Dr.-Ing.Gentsch, Dietmar, Dr.-Ing.
    • H01H33/66
    • H01H33/66261H01H1/5833H01H33/6606H01H2033/6613H01H2033/6623H01H2033/66276H01H2033/6665
    • A pole part of a circuit-breaker arrangement comprising an insulation housing (1) for accommodating a vacuum interrupter insert (5) containing a pair of corresponding electrical switching contacts (4, 6), wherein a fixed upper electrical contact (4) is connected to an upper electrical terminal (2) molded in the insulation housing (1) and a movable lower electrical contact (6) is connected to a lower electrical terminal (3) of the insulation housing (1) via an electrical conductor (7) which is operated by an adjacent pushrod (8), wherein the lower electrical terminal (3) is connected to a ring shaped heat transfer shield (9-9"") arranged along the inner wall or at least partly inside the wall of the insulation housing (1) surrounding the pushrod (8) and/or the distal end of the movable lower electrical contact (6).
    • 断路器装置的极部件包括用于容纳包含一对相应的电开关触头(4,6)的真空断路器插件(5)的绝缘壳体(1),其中固定的上部电触点(4)被连接 连接到模制在绝缘壳体(1)中的上电气端子(2),并且可移动的下电触头(6)经由电导体(7)连接到绝缘壳体(1)的下电端子(3) 由相邻的推杆(8)操作,其中下电气端子(3)连接到沿着内壁或至少部分地在绝缘壳体的壁内部布置的环形传热屏蔽(9-9“”) (1)围绕推杆(8)和/或可动下部电触点(6)的远端。