EP2097918B1 - Commutateur électrique - Google Patents

Commutateur électrique Download PDF

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Publication number
EP2097918B1
EP2097918B1 EP07819344A EP07819344A EP2097918B1 EP 2097918 B1 EP2097918 B1 EP 2097918B1 EP 07819344 A EP07819344 A EP 07819344A EP 07819344 A EP07819344 A EP 07819344A EP 2097918 B1 EP2097918 B1 EP 2097918B1
Authority
EP
European Patent Office
Prior art keywords
lever
contact
point
force
contact point
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.)
Active
Application number
EP07819344A
Other languages
German (de)
English (en)
Other versions
EP2097918A1 (fr
Inventor
Wolfgang Süss
Erwin Muders
Klaus-Peter Eppe
Ralf Wieland
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.)
ABB AG Germany
Original Assignee
ABB AG Germany
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 ABB AG Germany filed Critical ABB AG Germany
Priority to PL07819344T priority Critical patent/PL2097918T3/pl
Publication of EP2097918A1 publication Critical patent/EP2097918A1/fr
Application granted granted Critical
Publication of EP2097918B1 publication Critical patent/EP2097918B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/46—Automatic release mechanisms with or without manual release having means for operating auxiliary contacts additional to the main contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/50—Manual reset mechanisms which may be also used for manual release
    • H01H71/52—Manual reset mechanisms which may be also used for manual release actuated by lever

Definitions

  • the invention relates to an electrical switch according to the preamble of claim 1.
  • Such a switch is for example in the DE 195 26 591 A1 and in the DE 195 26 592 C2 described.
  • It has a main current path in which there is a main contact point comprising a fixed and a movable contact piece, wherein the movable contact piece is fixed to a pivotally mounted in a fixed axis of rotation justifyhebelarm.
  • a generic switch has a Maustrompfad in which a Trennuxstelle - also called secondary contact point - is located, which also includes a fixed and a movable contact piece, wherein the movable contact piece is fixed to a pivotally mounted in a stationary axis of rotation contact carrier, and on the in a short circuit case, the current is commutated by the main current path.
  • the main contact point and the auxiliary contact point can be actuated with a shift lever and with a switch lock mounted with its individual components in a circuit board holder.
  • the contact lever is a double arm, at the movable contact opposite arm a control lever engages the other end is pivotally connected via a pivot pin with a first intermediate lever, and the the other end of the intermediate lever is pivotally connected to a second intermediate lever articulated on the switch knob.
  • the pivot pin, with which the two intermediate levers are connected to each other, is guided in a slot of a rotatably mounted ratchet lever.
  • the trigger elements ie thermal and magnetic triggers, act on the switch lock, wherein the levers are arranged and interact with each other, that when switching on the switching sequence "secondary contact leading, main contact lagging" is realized.
  • At the contact lever acts a contact pressure spring and tries to press the movable contact piece with a given contact force against the fixed contact piece.
  • a switch-off spring in the form of a pressure spring acts on the control lever and attempts to press it against the force of the contact pressure spring in the direction of switching off the main contact point.
  • the opening spring has a lot of space, their spring force on the control lever always acts in the same direction. It must be able to exert even in the partially relaxed state, such a high force on the control lever to overpress the force of the contact pressure spring.
  • the pressure force of the opening spring acts directly on the Verklinkungsstelle and determines the Entklinkungskraft, which must be applied by the thermal release release.
  • the opening spring engages the pivot connecting the control lever and the first intermediate lever and acts on the control lever in the direction of switching off the main contact point via the pivot, the force introduction of the opening spring being arranged on the pivot so that a first, smaller partial force in the direction of Verklinkungsstelle acts, and a second, larger partial force acts on the control lever.
  • the opening spring thus no longer acts directly on the control lever, but on the pivot connecting the control lever with the first intermediate lever.
  • the direction of the force introduction is selectable and can be arranged so that a decomposition of the force of the opening spring takes place in two components, one of which acts in the direction of Verklinkungsstelle, and a second control lever are applied in the direction of switching off.
  • the introduction of force is arranged so that the first, acting in the direction of Verklinkungsstelle partial force is as small as possible, and only the second, acting on the control lever partial force is as large as possible.
  • the opening spring is a torsion spring, also called leg spring, the first leg is supported at a stationary point, and via the second leg, the force is applied to the pivot.
  • Torsion springs are spatially wound bending springs with a linear torque characteristic.
  • the force or torque is introduced via the legs at the beginning and end of the spring. They can be adapted in many ways to the existing spatial conditions. By using a torsion spring for realizing the present invention, therefore, the limited space inside the electrical switch according to the invention can be particularly well utilized.
  • the torsion spring is wound around the stationary axis of rotation of the contact carrier of the isolating contact point. Then, the axis of rotation of the contact lever acts as a working mandrel against which the torsion spring rests with its inner winding opening and is thereby held.
  • the axis of rotation of the contact carrier of the isolating contact point is replaced by an additional function, and it is no separate holder for the torsion spring necessary.
  • the switch lock has a main contact point 10 with a fixed contact piece 11 and a fixed to a contact lever 12 movable contact 13th
  • the contact lever 12 is rotatably mounted on a stationary axis of rotation 14 and formed as a double arm whose first arm 15 carries the contact piece 13 and on the second arm 16, a control lever 17 engages the contact lever 12 from the closed position (see FIG. 1 ) in the off position (see FIG. 2 ) emotional.
  • the control lever 17 is connected via a pivot pin 18 with a first intermediate lever 19. This is hingedly connected via a pivot pin 20 with a second intermediate lever 21 which is hinged to a hinge axis 23 to a switch knob 24 with a control handle 25.
  • the switch knob 24 is mounted in a stationary axis 22.
  • the pivot pin 20 is movably guided in a slot 26 of a pawl lever 27.
  • the pawl lever 27 is rotatably mounted in a stationary manner about a rotation axis 28.
  • the latch lever 27 forms a latching point 31, which is rotatably mounted about a stationarily mounted axle 29.
  • the release lever 30 is designed as a double arm, the first, the Verklinkungsstelle zugeneippo arm 301 carries a nose 302 which forms the Verklinkungsstelle 31 together with a nose 271 of the ratchet lever 27.
  • the second, from the Verklinkungsstelle 31 pioneering arm 303 of the trigger lever 30 carries a nose 304.
  • the thermal triggers must overcome at least that force with which the nose 271 acts on the nose 302 and is therefore called Entklinkungskraft.
  • a stationary axis of rotation 33 is provided, on which a contact carrier 34 is mounted, which carries a contact lever 35.
  • the isolating contact point 37 has a fixed contact piece 38, which may be connected in a stationary manner and in an electrically conductive manner to the fixed contact piece 11 of the main contact point 10, indicated by a dashed connecting line 138.
  • the contact carrier 34 is designed as a double-arm carrier.
  • the one, the main contact point 10 facing arm 39 carries the contact lever 35 and the movable contact piece 36.
  • the projecting in the opposite direction, the second arm 40 has a projection 49th
  • a nose 48 is formed, which cooperates with the projection 49 on the contact carrier 34 of the shape that the separating contact point 37 during the opening process the main contact point 10 opens after opening the main contact point 10 and when closing the main contact point 10 before closing this main contact point 10 is already closed.
  • the connecting line of the pivot pin 20 with the hinge axis 23, which carries the reference numeral 46, runs in the open position according to FIG. 2 below the connecting line 47, which extends between the pivot pin 20 and the stationary axis 22 of the switch knob 24. This is the first stable position of the derailleur in the off position.
  • a torsion spring 51 is wound.
  • a first leg 52 of the torsion spring 51 is supported at a fixed point 53.
  • This stationary point 53 may be a projection or a recess on the inside of the housing wall of the switch, but it may also be a storage location on the board holder of the switch latch.
  • a second leg 54 of the torsion spring 51 is supported at its free end against the pivot pin 18 which connects the control lever 17 with the first intermediate lever 19 from.
  • the spring force which is perpendicular to the second leg 54 in the point of contact between the leg 54 and the pivot pin 18 is introduced thereto, by an arrow 55 designated. It is divided into a first, smaller partial force, designated by the arrow 56, which is directed into the first intermediate lever 19, and in a second, larger partial force, indicated by the arrow 57, which the control lever 17 in the direction "opening the main contact point 10 "seeks to postpone.
  • the second, larger partial force 57 is so great that it can overcome the contact pressure force 50 and can open the main contact point 10 and the separating contact point 37 via the control lever 17.
  • the second part of force 57 of the torsion spring 51 can be supported by the force of another tension spring which is hinged on the one hand to the control lever 17 and on the other hand to the second arm 40 of the contact carrier 34.
  • This further tension spring is not shown here, but it is with their function in the above-mentioned documents DE 195 26 591 and DE 195 26 592 described.
  • the other tension spring is also not essential to the invention and not required for the functioning of a switch according to the invention.
  • the trigger lever 30 When triggered, therefore, the trigger lever 30 would be pivoted clockwise, thereby releasing the low Entklinkungskraft 56 the latching point 31.
  • the pivot pin 20 is released in the slot 26 of the pawl lever 27 and the control lever 17 can be pressed away by the second, larger partial force 57 of the defined by the fixed contact piece 11 of the main contact point 10 and the axis of rotation 14 of the contact lever 12 fixing level.
  • the control lever 17 takes over a guide pin 58 with the second arm 16 of the contact lever 12 and pivots it against the contact pressure force 50 and counterclockwise so that the main contact point 10 is opened.

Landscapes

  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
  • Saccharide Compounds (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Glass Compositions (AREA)
  • Push-Button Switches (AREA)
  • Lock And Its Accessories (AREA)
  • Air Bags (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Mechanisms For Operating Contacts (AREA)

Claims (3)

  1. Commutateur électrique comprenant un trajet de courant principal dans lequel se trouve un point de contact principal (10) muni d'un élément de contact (13) mobile, fixé à un bras de levier de contact (12, 15) monté de manière à pouvoir pivoter dans un axe de rotation fixe (14), et d'un élément de contact fixe (11), comprenant un trajet de courant auxiliaire présentant un point de contact de sectionnement (37) muni d'un élément de contact (36) mobile, fixé à un support de contact (34) monté de manière à pouvoir pivoter dans un axe de rotation fixe (33), et d'un élément de contact fixe (38), sur lequel le courant du trajet de courant principal est commuté en cas de court-circuit, comprenant un verrouillage de connexion logé avec ses composants individuels dans un support à platine et avec lequel peuvent être actionnés le point de contact principal (10) et le point de contact de sectionnement (37), et comprenant une manette de commutation (24) avec laquelle peuvent être actionnés le verrouillage de connexion ainsi que les points de contact principal et de sectionnement, le levier de contact (12) étant un levier à double bras dont le bras qui se trouve à l'opposé à l'élément de contact mobile (13) vient en prise avec un levier de commande (17) dont l'autre extrémité est reliée de manière articulée avec un premier levier intermédiaire (19) par le biais d'un tourillon (18), et l'autre extrémité du premier levier intermédiaire (19) est attachée de manière articulée avec un deuxième levier intermédiaire (21) fixée de manière articulée à la manette de commutation (24), et le pivot (20) avec lequel sont reliés les deux leviers intermédiaires (19, 21) étant guidé dans un trou oblong (26) d'un levier à cliquet (27) logé de manière pivotante, et un levier de déclenchement (30) étant prévu, avec lequel le levier à cliquet (27) forme un point d'encliquetage (31), caractérisé en ce qu'un ressort de déconnexion (51) vient en prise avec le tourillon (18) qui relie le levier de commande (17) et le premier levier intermédiaire (19) et exerce par le biais du tourillon (18) une contrainte sur le levier de commande (17) dans le sens de la déconnexion du point de contact principal (10), la force du ressort de déconnexion (51) exercée sur le tourillon (18) étant dirigée de telle sorte qu'une premiere force partielle (56), plus faible, s'exerce sur le point d'encliquetage (31) et une deuxième force partielle (57), plus élevée, sur le levier de commande (17).
  2. Commutateur électrique selon la revendication 1, caractérisé en ce que le ressort de déconnexion (51) est un ressort rotatif dont la première branche (52) prend appui sur un point fixe (53) et par le biais de la deuxième branche (54) duquel est exercée la force sur le tourillon (18).
  3. Commutateur électrique selon la revendication 2, caractérisé en ce que le ressort rotatif (51) est enroulé autour de l'axe de rotation fixe (33) du support de contact (34) du point de contact de sectionnement (37).
EP07819344A 2006-11-03 2007-10-26 Commutateur électrique Active EP2097918B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL07819344T PL2097918T3 (pl) 2006-11-03 2007-10-26 Przełącznik elektryczny

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006051807A DE102006051807B8 (de) 2006-11-03 2006-11-03 Elektrischer Schalter
PCT/EP2007/009296 WO2008052702A1 (fr) 2006-11-03 2007-10-26 Commutateur électrique

Publications (2)

Publication Number Publication Date
EP2097918A1 EP2097918A1 (fr) 2009-09-09
EP2097918B1 true EP2097918B1 (fr) 2011-04-06

Family

ID=38950777

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07819344A Active EP2097918B1 (fr) 2006-11-03 2007-10-26 Commutateur électrique

Country Status (8)

Country Link
US (1) US20100072049A1 (fr)
EP (1) EP2097918B1 (fr)
CN (1) CN101681747B (fr)
AT (1) ATE504935T1 (fr)
CA (1) CA2667500A1 (fr)
DE (2) DE102006051807B8 (fr)
PL (1) PL2097918T3 (fr)
WO (1) WO2008052702A1 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008017472A1 (de) 2007-04-28 2008-11-06 Abb Ag Installationsschaltgerät
JP2011181469A (ja) * 2010-03-04 2011-09-15 Ricoh Co Ltd スイッチ作動装置、並びにこれを備えたインターロック機構及び画像形成装置
CN201918333U (zh) 2010-05-12 2011-08-03 Abb股份公司 安装开关设备
DE102010025531A1 (de) 2010-06-29 2011-12-29 Abb Ag Elektrisches Installationsschaltgerät und System umfassend ein Installationsschaltgerät und einen Hilfsschalter
CN102568922B (zh) * 2010-12-30 2015-02-11 中国船舶重工集团公司第七一三研究所 一种载荷信号发生机构
CN102254755B (zh) * 2011-06-28 2013-10-16 法泰电器（江苏）股份有限公司 断路器操作机构
US9403591B2 (en) 2013-07-23 2016-08-02 Mason Electric Co. Landing gear control system
CN107293457A (zh) * 2016-04-12 2017-10-24 上海良信电器股份有限公司 一种断路器的触头系统改良结构
CN112509890B (zh) * 2019-09-16 2025-03-18 浙江正泰电器股份有限公司 断路器
CN116230456A (zh) * 2021-12-02 2023-06-06 上海正泰智能科技有限公司 一种断路器
KR20240109215A (ko) * 2021-12-02 2024-07-10 친트 로우 볼타지 일렉트리컬 테크놀러지 씨오., 엘티디. 회로 차단기
CN116230458A (zh) * 2021-12-02 2023-06-06 上海正泰智能科技有限公司 一种操作机构及开关装置

Family Cites Families (12)

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Publication number Priority date Publication date Assignee Title
DE4404073A1 (de) * 1994-02-09 1995-08-10 Kloeckner Moeller Gmbh Niederspannungs-Leistungsschalter mit Relativ-Hilfsschalter
DE19526592C2 (de) * 1995-07-21 1999-04-15 Abb Patent Gmbh Elektrischer Schalter, insbesondere Leitungsschutzschalter
DE19526591B4 (de) * 1995-07-21 2005-04-21 Abb Patent Gmbh Elektrischer Schalter
US5713459A (en) * 1996-03-26 1998-02-03 Eaton Corporation Roller latching and release mechanism for electrical switching apparatus
EP1003191B1 (fr) * 1998-11-19 2006-01-11 ABB Sace S.p.A. Interrupteur magnétothermique
DE10003191A1 (de) * 2000-01-25 2001-07-26 Zemag Gmbh Backenbrecher
US6479774B1 (en) * 2000-03-17 2002-11-12 General Electric Company High energy closing mechanism for circuit breakers
DE10133878B4 (de) * 2001-07-12 2004-07-08 Siemens Ag Schaltgerät mit einem Schaltschloss
DE10222360A1 (de) * 2003-02-07 2003-12-04 Hager Electro Gmbh Leitungs- und/oder Geräteschutzschalter
JP3972782B2 (ja) * 2002-09-26 2007-09-05 富士電機機器制御株式会社 回路しゃ断器
DE102004055564B4 (de) * 2004-11-18 2022-05-05 Abb Ag Elektrisches Installationsschaltgerät
EP1995754B1 (fr) * 2007-05-23 2013-09-04 Abb Ag Commutateur d'installation électrique

Also Published As

Publication number Publication date
DE502007006903D1 (de) 2011-05-19
EP2097918A1 (fr) 2009-09-09
PL2097918T3 (pl) 2011-09-30
ATE504935T1 (de) 2011-04-15
DE102006051807B3 (de) 2008-03-27
CN101681747B (zh) 2012-07-18
DE102006051807B8 (de) 2008-06-26
WO2008052702A1 (fr) 2008-05-08
CN101681747A (zh) 2010-03-24
CA2667500A1 (fr) 2008-05-08
US20100072049A1 (en) 2010-03-25

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