EP1554790A2 - Dispositif pour fixer un disjoncteur dans un bati d'insertion - Google Patents

Dispositif pour fixer un disjoncteur dans un bati d'insertion

Info

Publication number
EP1554790A2
EP1554790A2 EP03753269A EP03753269A EP1554790A2 EP 1554790 A2 EP1554790 A2 EP 1554790A2 EP 03753269 A EP03753269 A EP 03753269A EP 03753269 A EP03753269 A EP 03753269A EP 1554790 A2 EP1554790 A2 EP 1554790A2
Authority
EP
European Patent Office
Prior art keywords
circuit breaker
slide
control rod
frame
locking means
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP03753269A
Other languages
German (de)
English (en)
Inventor
Erhard Deylitz
Kathrina Marek
Michael Kruschke
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Publication of EP1554790A2 publication Critical patent/EP1554790A2/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B11/00—Switchgear having carriage withdrawable for isolation
    • H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
    • H02B11/127—Withdrawal mechanism
    • H02B11/133—Withdrawal mechanism with interlock

Definitions

  • the invention relates to a device for fixing a circuit breaker in a slide-in frame.
  • Circuit breakers that can be inserted in a slide-in frame must be able to be fixed in the slide-in frame, particularly in the case of very high short-circuit currents, in order to be able to guarantee the functional reliability during operation of the circuit breaker.
  • forces arise which generate a torque around the entry shaft and would thus push the circuit breaker out of the slide-in frame without sufficient fixation. This would reduce or even eliminate the overlap of the circuit breaker entry knives in the isolating contact systems of the insert frame. Arcing associated with this can lead to failure or destruction of the device.
  • At least one locking means assigned to the slide-in frame is provided for the circuit breaker, which is connected for displacement from a locking position into an unlocking position or vice versa with a control rod movably arranged on the slide-in frame, the control rod interacting with a means for moving the circuit breaker relative to the slide-in frame , wherein the device further comprises a release means which can be shifted from a blocking position for the control rod into a release position for the control rod or vice versa by means of the circuit breaker.
  • the device according to the invention for fixing a circuit breaker in a slide-in frame advantageously ensures that the circuit breaker can be securely locked in a simple manner. Because this device interacts with a means for moving the circuit breaker relative to the plug-in frame, it is particularly advantageous to fix the circuit breaker as a result of moving the circuit breaker in the plug-in frame and also to unlock the circuit breaker by moving the circuit breaker out effect from the slide-in frame. As a result, no additional actions, for example by an operator, are required to fix the circuit breaker. This is desirable, among other things, because the additional locking of the circuit breaker cannot be forgotten or made incorrectly.
  • the locking means is hook-shaped. Furthermore, the locking means is advantageously rotatably mounted on the slide-in frame and arranged to engage in an attachment locked on the circuit breaker.
  • the storage location is chosen so that when tipping forces are created due to the arrangement of the current path in the circuit breaker, there is always a closing moment of the locking means in the attachment of the circuit breaker and thus on the circuit breaker.
  • the locking means is a hook which is formed at the bottom and which engages in a non-positively arranged insert on the circuit breaker and thus securely holds the circuit breaker in the slide-in frame even under high forces.
  • the control rod is advantageously arranged on a side wall of the slide-in frame and non-positively connected to the locking means by means of a bolt, a slider and a spring.
  • the control rod which is advantageously arranged to be vertically movable, is acted upon by a spring which prestresses the control rod.
  • the means for moving the circuit breaker relative to the slide-in frame can comprise a travel mechanism with a hand crank and an entry shaft with a crank pin.
  • the release means is advantageously a cross slide with a locking tab that can be snapped into a notch in the control rod.
  • the cross slide is advantageously additionally subjected to a spring force.
  • the locking means In the starting position, in which the circuit breaker is still outside the slide-in frame, the locking means is arranged in an unlocking position.
  • the control rod connected to the locking means is held in a locking position by the release means.
  • the release means is only prompted by the circuit breaker to move the control rod from a blocking position to a release position shortly before the end of the total travel path. This connects it to the control rod dene locking means caused to shift from its unlocked position to a locking position. This ensures that the circuit breaker is securely fixed in the rack.
  • the control rod When the circuit breaker moves out of the slide-in frame, the control rod is displaced from the release position into the blocking position when the means for moving the circuit breaker is actuated relative to the slide-in frame. As a result, the locking means connected to the control rod is shifted from its locking position into an unlocking position and releases the circuit breaker which has been fixed until then. When the means for moving the circuit breaker is actuated further relative to the slide-in frame, the now unlocked circuit breaker is moved out of the slide-in frame. The control rod is held in the locked position by the release means and the starting position is reached.
  • FIG. 1 shows a perspective illustration of a slide-in frame with a device according to the invention in the starting position with the circuit breaker not retracted;
  • Figure 2 is a perspective view of a slide-in frame with a device according to the invention during the opening of the circuit breaker
  • Figure 3 is a perspective view of a slide-in frame with a device according to the invention with the circuit breaker retracted and fixed;
  • Figure 4 is a perspective view of a device according to the invention without insert frame
  • Figures show a perspective view of a circuit breaker 5 and 6, which is fixed in a slide-in frame with a device according to the invention.
  • FIG. 1 shows a perspective illustration of a device according to the invention, which is arranged on a slide-in frame 10, the circuit breaker being partially pushed into the slide-in frame 10.
  • the device for fixing the circuit breaker 12 in the slide-in frame 10 is fastened to the side wall of the slide-in frame 10 and engages in the locking position in the attachment of the circuit breaker 12.
  • the control rod 14 is locked in a locking position by the cross slide 20, so that the locking means 16 is in an unlocking position.
  • the circuit breaker 12 is moved into the slide-in frame 10 by a travel mechanism which has a hand crank 29 and an entry shaft 30 with a crank pin 32.
  • a locking means 16 is in its unlocked position at this time.
  • the locking means 16 is hook-shaped and non-positively connected to the control rod 14 via a bolt 18, a slider 40 and a spring 22.
  • the control rod 14 is arranged vertically movable on the slide-in frame 10. Furthermore, the control rod 14 has a spring 42 which acts on the control rod 14 with a vertically downward force.
  • the vertical position of the control rod 14 is in this Starting position limited by the cross slide 20, the locking tab 26 engages in a notch 36 of the control rod 14 and thus prevents further vertical downward movement of the control rod 14. As a result, the locking means 16 is prevented from shifting from its unlocking position into a locking position.
  • the cross slide 20 also has a spring 28 (see FIG. 4), by means of which the cross slide 20 is pressed in the direction of the notch 36 of the control rod 14. In the starting position, the crank pin 32 is located on the side next to the entry shaft 30.
  • crank pin 32 moves upwards until it is located vertically above the entry shaft 30 in the insertion link 44.
  • the circuit breaker 12 is moved into the slide-in frame 10.
  • the control rod 14 is moved upwards by the crank pin 32.
  • the locking means 16 is located on the stop 34 and the spring 42 is compressed, as shown in Figure 2.
  • the control rod 14 moves after the release by the locking tab 26 of the cross slide 20 due to the spring force of the spring 42 down.
  • the fall of the control rod 14 is limited by the crank pin 32 of the drive-in shaft 30, which has moved down again as a result of the further drive-in.
  • the locking means 16, which is hook-shaped is brought into its end position and engages in the attachment 24 of the circuit breaker 12. As a result, the circuit breaker 12 is securely fixed in the rack 10.
  • the bearing point of the locking means 16 is selected such that a closing moment of the hook-shaped locking means in the attachment 24 of the circuit breaker 12 always occurs when tipping forces act on the circuit breaker 12. The hook thus falls down and holds the circuit breaker 12 securely in the rack 10.
  • FIG. 4 shows a schematic perspective view of a device according to the invention without a slide-in frame.
  • the hook-shaped locking means 16 is non-positively connected to the control rod 14 via a pin 18, a slide 40 and a spring 22 and, in accordance with the above-mentioned mode of operation, engages in the attachment 24 when it is shifted into the locking position when the cross slide 20 releases the control rod 14 by the locking tab 26 disengages from the notch 36 of the control rod 14.
  • FIGS. 5 and 6 show the device according to the invention for illustration together with a circuit breaker 12 which is completely inserted and fixed in a slide-in frame 10.
  • the locking means 16 is in its locking position.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Breakers (AREA)
  • Trip Switchboards (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Patch Boards (AREA)

Abstract

La présente invention concerne un dispositif pour fixer un disjoncteur dans un bâti d'insertion. Ce dispositif comprend au moins un système d'arrêt (16) qui est associé au bâti d'insertion et est destiné au disjoncteur (12). Ce système d'arrêt est relié à une tige de commande (14) qui est montée mobile sur le bâti d'insertion (10) de façon à pouvoir se déplacer d'une position de verrouillage à une position de déverrouillage et inversement. Cette tige de commande (14) coopère avec un système conçu pour déplacer le disjoncteur (12) par rapport au bâti d'insertion (10). Le dispositif selon cette invention comprend également un système de libération qui peut, au moyen du disjoncteur (12), être déplacé d'une position de blocage de la tige de commande (14) à une position de libération de cette tige de commande (14) et inversement.
EP03753269A 2002-10-24 2003-08-28 Dispositif pour fixer un disjoncteur dans un bati d'insertion Withdrawn EP1554790A2 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10250214 2002-10-24
DE10250214A DE10250214B3 (de) 2002-10-24 2002-10-24 Vorrichtung zur Fixierung eines Leistungsschalters in einem Einschubrahmen
PCT/DE2003/002884 WO2004040726A2 (fr) 2002-10-24 2003-08-28 Dispositif pour fixer un disjoncteur dans un bati d'insertion

Publications (1)

Publication Number Publication Date
EP1554790A2 true EP1554790A2 (fr) 2005-07-20

Family

ID=32185280

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03753269A Withdrawn EP1554790A2 (fr) 2002-10-24 2003-08-28 Dispositif pour fixer un disjoncteur dans un bati d'insertion

Country Status (7)

Country Link
US (1) US7064283B2 (fr)
EP (1) EP1554790A2 (fr)
JP (1) JP4405395B2 (fr)
CN (1) CN1685579B (fr)
AU (1) AU2003271520A1 (fr)
DE (1) DE10250214B3 (fr)
WO (1) WO2004040726A2 (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD807304S1 (en) 2004-04-08 2018-01-09 Abb S.P.A. Circuit breaker panel
DE102004059095B4 (de) * 2004-12-06 2013-06-06 Siemens Aktiengesellschaft Schaltvorrichtung mit Einschubrahmen und verriegelbarem Leistungsschalter
DE102005008305A1 (de) 2005-02-16 2006-08-24 Siemens Ag Einschubrahmen für einen Niederspannungs- Leistungsschalter mit zwei getrennten Kulissenelementen
USD587658S1 (en) 2005-05-10 2009-03-03 Abb S.P.A. Circuit breaker
CN1776979B (zh) * 2005-11-07 2010-05-05 北京华东电气股份有限公司 手车高压开关柜机械连锁机构
USD633446S1 (en) 2009-02-06 2011-03-01 Abb S.P.A. Circuit breaker
US8264809B2 (en) 2010-09-15 2012-09-11 General Electric Company System and apparatus for circuit protection within an equipment enclosure
EP2469669A1 (fr) 2010-12-21 2012-06-27 Eaton Industries GmbH Installation de commutation électrique avec un support d'appareil débrochable
DE102011004968B4 (de) 2011-03-02 2014-07-10 Siemens Aktiengesellschaft Elektrischer Schalter
DE102011083682A1 (de) * 2011-09-29 2013-04-04 Siemens Aktiengesellschaft Schaltvorrichtung mit Einschubrahmen und verriegelbarem Leistungsschalter
DE102012203469A1 (de) * 2012-03-06 2013-09-12 Siemens Aktiengesellschaft Einschubrahmen für ein elektrisches Einschubschaltgerät, insbesondere ein Einschubleistungsschalter
BR302013002177S1 (pt) 2012-11-09 2014-11-25 Abb Spa Configuração aplicada em fusível.
US10903029B2 (en) * 2019-04-05 2021-01-26 Eaton Intelligent Power Limited Circuit breaker inerlock for arc quenching device

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2273001A (en) 1940-03-01 1942-02-10 Gen Electric Electric switchgear
US4202027A (en) * 1978-10-27 1980-05-06 General Electric Company Circuit breaker drawout with engaged position latch
DE3544227A1 (de) * 1985-12-11 1987-06-19 Siemens Ag Einrichtung zur verriegelung eines verfahrbar angeordneten schaltgeraetes
DE9212149U1 (de) * 1992-09-09 1994-01-20 Klöckner-Moeller GmbH, 53115 Bonn Handbetätigungseinrichtung für eine Trennkontaktanordnung bei ein- und ausfahrbaren Leistungsschaltern in Schaltanlagen
US5837949A (en) * 1996-06-28 1998-11-17 Siemens Energy & Automation, Inc. Circuit breaker draw apparatus and system with a slider flange attached to the active draw bracket
FR2773648B1 (fr) * 1998-01-15 2000-03-10 Schneider Electric Ind Sa Dispositif de verrouillage d'un mecanisme d'embrochage et de debrochage d'un disjoncteur
US6005208A (en) * 1998-03-03 1999-12-21 General Electric Company Industrial draw-out circuit breaker electrical connection indication
DE10006427C2 (de) * 2000-02-14 2002-07-11 Lg Ind Systems Co Ltd Bewegungsanlage für Leistungsschaltvorrichtung
DE10153107C1 (de) * 2001-10-22 2003-08-21 Siemens Ag Verriegelungseinrichtung
KR100505052B1 (ko) * 2003-04-24 2005-08-02 엘에스산전 주식회사 진공차단기의 주회로 인입출 장치

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2004040726A2 *

Also Published As

Publication number Publication date
WO2004040726A2 (fr) 2004-05-13
JP4405395B2 (ja) 2010-01-27
CN1685579A (zh) 2005-10-19
AU2003271520A1 (en) 2004-05-25
JP2006504384A (ja) 2006-02-02
US7064283B2 (en) 2006-06-20
US20060037846A1 (en) 2006-02-23
DE10250214B3 (de) 2004-08-05
WO2004040726A3 (fr) 2004-07-08
CN1685579B (zh) 2010-05-26

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