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    • 7. 发明申请
    • INSTALLATION SWITCHGEAR COMPRISING A DOUBLE BREAK
    • 安装开关,带一个双中断
    • WO2008068020A3
    • 2008-07-24
    • PCT/EP2007010606
    • 2007-12-06
    • ABB PATENT GMBHMUELLER RALFHUSTERT FRANKNIEWOEHNER GUIDOGOEBEL CORELLBURCKHARDT RALPHKOMMERT RICHARDGERTH THORSTEN
    • MUELLER RALFHUSTERT FRANKNIEWOEHNER GUIDOGOEBEL CORELLBURCKHARDT RALPHKOMMERT RICHARDGERTH THORSTEN
    • H01H71/24
    • H01H71/2409H01H73/045
    • The invention relates to an installation switchgear (1) with at least one pole current path (2), said switchgear comprising two fixed contact pieces (5, 6) and two mobile contact pieces (8, 9) arranged on a mobile contact bridge (7), forming a pole switch with two contacts and a double break. The contact bridge (7) is acted upon by a pusher (12) in the opening direction (O) and by a contact pressure spring (11) in the closing direction. The two contacts are closed in the connected state, and in the event of a short circuit, the contact bridge is pushed in the opening direction thereof and the pusher is moved into its trigger position in which it acts on the contact bridge in order to open same. Said switchgear is also provided with an electromagnetic tripping device (13), the armature of which releases the latching position of a switch latch (15) in the event of a short-circuit, such that the switch latch maintains the pusher (12) in the trigger position thereof by means of an actuating lever (17) which lags in relation to the pusher (12) and moves from the idle position into the disconnected position thereof. The contact bridge (7) is thereby permanently held open against the force of the contact pressure spring (11). The installation switchgear (1) comprises a control slide (30) mounted in such a way that it can be displaced between a release position and a locking position and, in its locking position, maintains the pusher in the trigger position thereof. The movement of the actuating lever from its idle position into its disconnected position causes the control slide to move from its locking position into its release position such that the pusher (12) is released from the trigger position thereof.
    • 本发明描述了一种业务交换设备(1),包括两个固定接触件的至少一个极电流通路(2)(5,6)和两个上的可动触点桥(7),其布置可动接触片(8,9)通过该单极开关具有两个触点 并进行双重中断。 为接触桥(7)在打开方向(O)的推动器(12)和通过在关闭方向(S)的接触压力弹簧(11)可以被作用,这两个触点闭合在导通状态和推压,该接触桥在其开口方向在短路的情况下和 推动器移动到其释放位置,在该释放位置,这作用在触点桥开口上。 此外,存在被解锁,电磁触发器(13),在短路情况下,电枢,切换机构(15)的闩锁点,使得这在同时从它的静止位置移动到其关闭位置主动杆尾随触发器(12)(17)在推进器 (12)在其释放位置停止,并且因此触点桥(7)永久地抵抗接触压力弹簧(11)的力在打开时作用。 安装开关装置(1)包括一可移动地安装在一释放位置和保持在其锁定位置在其跳闸位置的推动件的锁定位置控制滑动件(30)之间,其中,主动杆的运动从其静止位置到其关闭朝向控制滑动件的移动位置从它的锁定位置的 在其释放位置实现,从而推动器(12)的运动从其释放位置释放。