EP0731977B1 - Appareil electromagnetique de coupure - Google Patents

Appareil electromagnetique de coupure Download PDF

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Publication number
EP0731977B1
EP0731977B1 EP95900642A EP95900642A EP0731977B1 EP 0731977 B1 EP0731977 B1 EP 0731977B1 EP 95900642 A EP95900642 A EP 95900642A EP 95900642 A EP95900642 A EP 95900642A EP 0731977 B1 EP0731977 B1 EP 0731977B1
Authority
EP
European Patent Office
Prior art keywords
contour
locking means
arcing chamber
locking
contact bridge
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.)
Expired - Lifetime
Application number
EP95900642A
Other languages
German (de)
English (en)
Other versions
EP0731977A1 (fr
Inventor
Bardo Koppmann
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 EP0731977A1 publication Critical patent/EP0731977A1/fr
Application granted granted Critical
Publication of EP0731977B1 publication Critical patent/EP0731977B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
    • H01H9/34—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
    • H01H9/345—Mounting of arc chutes

Definitions

  • the invention relates to an electromagnetic switching device, in particular a contactor, with an arcing chamber which can be removed from a lower part and a contact bridge support which projects into the region of the arcing chamber and carries the movable contact parts, and with a locking means which automatically locks the contact bridge support when the arcing chamber is removed.
  • an electromagnetic switching device in which the contact bridge support remains securely locked to the housing even in the event of shocks and impacts when the arcing chamber is removed, and in which the bolt is always securely secured without intermediate positions by the fastening element of the arcing chamber can be solved.
  • the latch which is housed in the housing, locks the contact carrier under the action of a spring.
  • the bolt can be held against the spring force in the unlocked position by means of the fastening element of the operationally installed extinguishing chamber.
  • the spring causes the bolt to securely lock the contact carrier in the housing when the fastener is removed, even in the event of shocks and impacts. Intermediate positions are practically excluded.
  • the bolt is rotatably mounted in the housing and can reach behind and hold part of the contact bridge support in the locked position.
  • European Patent Specification 0 547 928 discloses protection in which an electromagnet which manually opens and closes the switch contacts can be actuated by means of a push button. By actuating the push button, a flap is carried, whereby a housing opening is opened or closed. Intermediate links with different directions of movement slide against each other. Locking takes place here via two corner elements with an oblique edge contour. Furthermore, a rotatable bolt with a torsion spring is disclosed as a locking means.
  • the invention has for its object to provide an electromagnetic switching device of the type mentioned above, which ensures a secure locking of the contact bridge support with the arc chamber removed with a simple structure.
  • the object is achieved in that the locking means on a projection facing the arc chamber has a first contour for surface engagement in a second contour present on the arc chamber and in that the first contour and the second contour, when the arc chamber is connected to the lower part, slide flat against one another, as a result of which the locking means is brought into a position that unlocks the contact bridge carrier.
  • An advantageous embodiment of the invention is achieved when the locking means is designed as a slide with an oblique first contour.
  • the locking means is designed as a rotatable bolt which is held in the locking position by a torsion spring and which is provided with an oblique contact surface as a second contour, via which the bolt engages with a contour of the arc chamber which is adapted to it the contact bridge carrier unlocking position is rotatable.
  • the switching device shown in FIG 1 has a lower part 5, in which the non-switching magnetic part with the coil and the switching magnetic part (not shown) with the contact bridge support 6, which protrudes into the area of the arc chamber 2, are housed.
  • the arc chamber 2 is removed here.
  • Slide 1 lying in the housing wall 11 of the lower part 5 are brought here into a position locking the contact carrier 6 by a compression spring 12.
  • the bars 1 are provided with projections 9 on their upper side. These are triangular in section according to FIG. 1, ie they have an oblique edge contour.
  • the arc chamber 2 is provided with recesses 10 opposite the projections 9 with a slight offset, said recesses having an inner contour 4 adapted to the oblique edge contour 3.
  • the two contours 3, 4 slide when the arc chamber 2 is placed on the lower part 5 in the manner of a link guide, the slides 1 being displaced outward against the spring force of the compression spring 12 and thus releasing the contact bridge support 6, as shown in FIG. 2 .
  • the projections 9 are immersed here in the recesses 10 of the arc chamber 2.
  • a rotatable bolt 1 is used instead of the longitudinally displaceable bolt 1.
  • This is, for example, as shown in FIG. 3, held in the housing wall 11 and has an inclined contact surface 8.
  • the latch 1 is held in accordance with FIG 4 by a torsion spring 7 in the locking position of the contact bridge support 6.
  • the arc chamber 2 has a recess 10 for receiving the bolt 1 when it is placed on the lower part 5.
  • the rotatable bolt 1 is immersed in the recess 10 and an inner contour 4 of the recess 10 adapted to the contact surface 8 slides while rotating the bolt 1 on its contact surface 8 along so that, against the spring force of the torsion spring 7, the bolt 1 is brought into a position that unlocks the contact bridge carrier 6.

Landscapes

  • Arc-Extinguishing Devices That Are Switches (AREA)
  • Casings For Electric Apparatus (AREA)
  • Switch Cases, Indication, And Locking (AREA)

Abstract

Un appareil électromagnétique de coupure comprend une boîte d'extinction d'arc (2) que l'on peut enlever de la partie inférieure (5) de l'appareil et un support de pont (6) qui fait saillie dans la zone de la boîte d'extinction d'arc (2) et qui porte les parties mobiles de contact. Afin d'assurer par des moyens simples un verrouillage sûr du support de pont (6) lorsque la boîte d'extinction d'arc (2) a été enlevée, un élément de blocage (1) et la boîte d'extinction d'arc (2) sont pourvus d'éléments spéciaux (3, 4) qui permettent de faire glisser dans une coulisse l'élément de blocage (1) jusqu'à une position de déverrouillage du support (6) des contacts lorsque la boîte d'extinction d'arc (2) est connectée à la partie inférieure (5) de l'appareil.

Claims (3)

  1. Appareil électromagnétique de coupure, notamment contacteur, comportant une chambre (2) d'extinction d'arc qui peut être retirée d'une partie (5) inférieure et un support (6) de pont de contact qui fait saillie dans la zone de la chambre (2) d'extinction d'arc et qui porte les pièces de contact mobiles et comportant un moyen (1) de blocage qui verrouille automatiquement le support (6) de pont de contact lorsque la chambre (2) d'extinction d'arc est retirée, caractérisé en ce que le moyen (1) de blocage a, sur une partie (9) en saillie tournée vers la chambre (2) d'extinction d'arc, un premier contour (3, 8) destiné à entrer en contact à plat avec un deuxième contour (4) présent sur la chambre (2) d'extinction d'arc et en ce que le premier contour (3, 8) et le deuxième contour (4), lorsque la chambre (2) d'extinction d'arc est reliée à la partie (5) inférieure, glissent l'un sur l'autre à plat, ce qui amène le moyen (1) de blocage en une position déverrouillant le support (6) de pont de contact.
  2. Appareil électromagnétique de coupure suivant la revendication 1,
    caractérisé en ce que le moyen de blocage est réalisé sous forme de coulisseau (1) ayant un premier contour (3) en biais.
  3. Appareil électromagnétique de coupure suivant la revendication 1,
    caractérisé en ce que le moyen de blocage est réalisé sous forme de verrou (1) tournant, qui est maintenu par un ressort (7) de torsion en la position de verrouillage et qui est muni d'une surface (8) de contact en biais servant de deuxième contour.
EP95900642A 1993-12-03 1994-11-18 Appareil electromagnetique de coupure Expired - Lifetime EP0731977B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4341330 1993-12-03
DE4341330A DE4341330C1 (de) 1993-12-03 1993-12-03 Elektromagnetisches Schaltgerät
PCT/DE1994/001362 WO1995015574A1 (fr) 1993-12-03 1994-11-18 Appareil electromagnetique de coupure

Publications (2)

Publication Number Publication Date
EP0731977A1 EP0731977A1 (fr) 1996-09-18
EP0731977B1 true EP0731977B1 (fr) 1997-06-04

Family

ID=6504161

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95900642A Expired - Lifetime EP0731977B1 (fr) 1993-12-03 1994-11-18 Appareil electromagnetique de coupure

Country Status (6)

Country Link
US (1) US5825269A (fr)
EP (1) EP0731977B1 (fr)
JP (1) JPH09505933A (fr)
CN (1) CN1044754C (fr)
DE (2) DE4341330C1 (fr)
WO (1) WO1995015574A1 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2751783B1 (fr) * 1996-07-24 1998-08-28 Schneider Electric Sa Appareil interrupteur electromagnetique
SE513442C2 (sv) * 1999-01-28 2000-09-11 Asea Brown Boveri Kontaktor
CN1107963C (zh) * 1999-05-27 2003-05-07 孙凤广 机械自锁式交流接触器
DE10013319C1 (de) 2000-03-17 2001-10-11 Siemens Ag Elektromagnetisches Schaltgerät, insbesondere Schütz, mit einer Kontaktbrückenträgerverriegelung
DE102004053613B4 (de) * 2004-11-02 2006-09-28 Siemens Ag Schaltanlage mit einer entriegelnden Lichtbogenbegrenzung
EP1892739A1 (fr) * 2006-08-25 2008-02-27 Siemens Aktiengesellschaft Unité d'entraînement électromagnétique et appareil de commutation électromécanique
ATE549733T1 (de) * 2007-02-23 2012-03-15 Siemens Ag Elektromagnetisches schaltgerät
CN102426991B (zh) * 2011-09-20 2014-12-10 上海诺雅克电气有限公司 一种带有触头止锁机构的接触器
US8933359B2 (en) 2011-12-29 2015-01-13 Progress Rail Services Corp Locomotive positive power bus contactor method of assembly
CN107336063B (zh) * 2017-01-24 2019-02-12 江山市美轩门业有限公司 一种板材切割用开关装置
GB2582307A (en) 2019-03-18 2020-09-23 Eaton Intelligent Power Ltd Switching device for fast disconnection of short-circuit currents
CN117976446B (zh) * 2024-03-29 2024-06-11 山西阳光三极科技股份有限公司 一种隔爆壳体开盖断电保护装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3728506A (en) * 1971-10-21 1973-04-17 Mercor Corp Contactor with a removable arc chute
US3992599A (en) * 1974-05-16 1976-11-16 Allis-Chalmers Corporation Interlock for arc chute of circuit maker and breaker
DE3402836A1 (de) * 1984-01-27 1985-08-01 Siemens AG, 1000 Berlin und 8000 München Elektromagnetisches schaltgeraet
CN1025702C (zh) * 1990-07-14 1994-08-17 肖新凯 可宽电压操作的小型化通用化电磁铁
FR2673486B1 (fr) * 1991-02-28 1996-03-01 Telemecanique Appareil interrupteur de courant.
CH682113A5 (fr) * 1991-05-29 1993-07-15 Sprecher & Schuh Ag
FR2685124B1 (fr) * 1991-12-17 1994-03-18 Telemecanique Appareil interrupteur de protection tel que contacteur-disjoncteur.
FR2685976A1 (fr) * 1992-01-07 1993-07-09 Telemecanique Mecanisme pour appareil interrupteur de courant.
US5300905A (en) * 1992-10-19 1994-04-05 Ford Motor Company Electrical power disconnect switch with both manual and electrical trip operation
US5296826A (en) * 1993-05-13 1994-03-22 Eaton Corporation Switch assembly
FR2707794B1 (fr) * 1993-07-12 1995-08-18 Telemecanique Appareil interrupteur de protection.
US5652420A (en) * 1995-11-14 1997-07-29 Eaton Corporation Modular contactor control system

Also Published As

Publication number Publication date
WO1995015574A1 (fr) 1995-06-08
CN1136361A (zh) 1996-11-20
CN1044754C (zh) 1999-08-18
DE59403056D1 (de) 1997-07-10
EP0731977A1 (fr) 1996-09-18
US5825269A (en) 1998-10-20
DE4341330C1 (de) 1995-04-20
JPH09505933A (ja) 1997-06-10

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