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    • 13. 发明申请
    • SCHUTZSCHALTGERÄT
    • 保护开关电器
    • WO2017162703A1
    • 2017-09-28
    • PCT/EP2017/056748
    • 2017-03-22
    • EATON INDUSTRIES (AUSTRIA) GMBH
    • TETIK, AdolfNYZNER, Alfred
    • H01H71/40H01H71/74H01H71/24
    • H01H71/402H01H71/16H01H71/2463H01H71/40H01H71/48H01H71/7436H01H2071/749
    • Bei einem Schutzschaltgerät (1) umfassend einen Kurzschlussauslöser (2) und einen Überstromauslöser (3), wobei der Kurzschlussauslöser (2) eine Auslösespule (4) und der Überstromauslöser (3) ein Bimetallelement (5) aufweist, wobei ein erster Anschluss (6) der Auslösespule (4) mit einem Festkontaktträger (7) des Schutzschaltgeräts (1) leitend verbunden ist, wobei das Bimetallelement (5) seriell zur Auslösespule (4) geschaltet ist, und wobei das Bimetallelement (5) wenigstens mittelbar mit einer ersten Anschlussklemme (10) des Schutzschaltgeräts (1) verbunden, insbesondere an der ersten Anschlussklemme (10) befestigt, ist, wird vorgeschlagen, dass die erste Anschlussklemme (10), insbesondere ein Klemmenwinkel (11) der ersten Anschlussklemme (10), mittels einer Nebenschlussleitung (12) mit dem Festkontaktträger (7) verbunden ist.
    • 在SchutzschaltgerÄ T(1),包括Kurzschlussauslö SER(2)和导航用途berstromauslö SER(3),其中,所述Kurzschlussauslö SER(2)的触发Ö sespule(4) 和导航用途berstromauslö SER(3)包括一个双金属元件(5),其特征在于,触发&oUML的(6)的第一端子; Schutzschaltger&AUML GER的(7); TS(1)的导电连接,sespule(4)配有一个Festkontakttr&AUML 其中,在与触发&oUML系列双金属元件(5);连接sespule(4),并且其中,所述双金属元件(5)至少间接地与Schutzschaltger BEAR的第一端子(10)连接的TS(1),特别是在所述第一终端(10) 附着是,提出的是,第一连接端子(10),在所述第一终端(10)的特定一个夹紧支架(11),由分流线(12)与所述Festkontakttr BEAR的装置连接GER(7)

    • 14. 发明公开
    • Variable thermal and magnetic structure for a circuit breaker trip unit
    • Veranderliche thermische und magnetische Strukturfürdie ausloseeinheit eines Schutzschalters
    • EP0923101A2
    • 1999-06-16
    • EP98122705.1
    • 1998-11-30
    • Siemens Energy & Automation, Inc.
    • DiMarco, BernardFerree, James EBlack, Robert E
    • H01H71/16H01H71/40H01H71/74
    • H01H71/405H01H71/164H01H71/7409H01H71/7463H01H2071/749
    • A thermal and magnetic trip unit for a multi-pole circuit breaker includes a thermal structure having a bimetallic element and one or more heater elements. Each of the heater elements and a portion of the bimetallic element is generally "U" shaped defining a conductive path which extends from one leg of the U to the other leg. The heater elements and bimetallic element may be configured in parallel to reduce the level of current flowing through the bimetallic element and thus increase the current level at which the bimetallic element will trip the breaker. Alternatively, the heater elements may be configured in series with the bimetallic element, by inserting electrical insulators between the bimetallic element and each of the heater elements and connecting the various "U" shaped elements using a connecting bus which connects the second leg of one element to the first leg of the next element. In this configuration, the thermal structure defines a coil having one turns for each heater element and the bimetallic element. This coil may be used to implement a magnetic trip structure by inserting one or two magnetically permeable yokes, each yoke surrounding one leg of the combined thermal structure. An armature is positioned to be separated from the yoke by a gap such that, when the armature is pulled toward the yoke, it will engage the trip unit. In addition, the trip unit includes a calibration and adjustment bar that allows the gap to be adjusted as well as the force exerted on the armature by a biasing spring. The calibration and adjustment bar also allows each pole of the circuit breaker to be independently calibrated.
    • 绝缘体(416a)插入在U形导电加热元件(414a,414b)和双金属元件(210)之间以保持它们之间的绝缘。 当绝缘体分别插入和移除时,加热元件的电阻电流路径与双金属元件的导电路径串联并联。 加热元件的腿通过总线电连接到双金属元件的相应支脚。 U型磁轭围绕元件腿(210,414a,414b),根据绝缘体的插入和移除产生高于和低于电流的磁场。 在产生最大磁力期间,铁磁电枢(410)与轭接合。 由跳闸杆弹簧施加在电枢上的力由调节旋钮(224)调节。 磁轭和电枢之间的距离由校准元件变化。 在过电流条件下,双金属元件由于加热而弯曲,与脱扣杆(220)接合。
    • 17. 发明申请
    • Method For Expanding The Adjustment Range of Overload Protection Devices, Associated Overload Protection Devices, and Their Use
    • 扩展过载保护装置调整范围,相关超载保护装置及其应用的方法
    • US20110248815A1
    • 2011-10-13
    • US12223030
    • 2007-01-23
    • Wolfgang FeilAndreas KrätzschmarFritz Pohl
    • Wolfgang FeilAndreas KrätzschmarFritz Pohl
    • H01H61/013
    • H01H71/74H01H71/164H01H71/7418H01H2071/749
    • In order to achieve thermomechanical overload protection with a broad adjustment range for protecting against overload currents, the live components carry an electrical current which is between the value of the overload current and zero. According to at least one embodiment of the invention, switching devices are used which, in a preferred embodiment, switch the current, in parallel, from a first current branch to at least one second current branch, the parallel-connected at least one current branch carrying a partial current, which is between the value of the overload current and zero. In the associated overload protection device, contact devices are provided which are associated with live components on two current branches which can be connected in parallel with one another, wherein at least one current branch can be switched on and off by the switching devices. In an alternative embodiment, a first and a second current branch are connected electrically in series by switching devices, as a result of which it is possible to switch over from an upper adjustment range to another, lower adjustment range of the broad adjustment range.
    • 为了实现热机械过载保护,具有广泛的调节范围,用于防止过载电流,带电元件承受过载电流值和零之间的电流。 根据本发明的至少一个实施例,使用开关装置,在优选实施例中,将电流从第一电流分支切换到至少一个第二电流分支,并联连接的至少一个电流分支 携带部分电流,其在过载电流的值和零之间。 在相关的过载保护装置中,提供接触装置,其与可以彼此并联连接的两个电流分支上的带电部件相关联,其中可以由开关装置接通和断开至少一个电流分支。 在替代实施例中,第一和第二电流分支通过开关装置串联电连接,由此可以从上调节范围切换到另一个,较宽调整范围的较低调节范围。