EP1042772A1 - Dispositif extincteur d'arc destine a un appareillage de connexion - Google Patents

Dispositif extincteur d'arc destine a un appareillage de connexion

Info

Publication number
EP1042772A1
EP1042772A1 EP98966208A EP98966208A EP1042772A1 EP 1042772 A1 EP1042772 A1 EP 1042772A1 EP 98966208 A EP98966208 A EP 98966208A EP 98966208 A EP98966208 A EP 98966208A EP 1042772 A1 EP1042772 A1 EP 1042772A1
Authority
EP
European Patent Office
Prior art keywords
arc
plates
quenching
quenching plates
legs
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.)
Granted
Application number
EP98966208A
Other languages
German (de)
English (en)
Other versions
EP1042772B1 (fr
Inventor
Christian Schreckinger
Ludwig Niebler
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 EP1042772A1 publication Critical patent/EP1042772A1/fr
Application granted granted Critical
Publication of EP1042772B1 publication Critical patent/EP1042772B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • H01H9/36—Metal parts
    • H01H9/362—Mounting of plates in arc chamber

Definitions

  • the invention relates to an arc extinguishing device for a switching device with a fixed and a movable contact point and with an arc chamber surrounding it, which is designed as a package of U-shaped stamped quenching plates, the quenching plates being kept at a distance at their ends facing away from the contact points and are held together to form an assembly.
  • a generic arc extinguishing device is disclosed in EP 0 556 109 B1.
  • This switching or protective device an arc arises at the opening contact points when the electrical current is switched off.
  • This arc causes wear at the contact points, i.e. a contact erosion, and delays the activation of the circuit, since the current continues to flow until the arc extinguishes.
  • the electrical switching device is equipped with the arc extinguishing device. This consists of an arc chamber, baffles and various components, which also perform fluidic tasks.
  • the arc chamber is here a package of U-shaped die-cut quenching plates, which are arranged in parallel and kept at a distance. Baffles are arranged at the upper and lower ends of the arc chamber, the fixed contact point being connected to the upper baffle.
  • the arc extinguishing device described above functions in such a way that an arc arises between the contact parts which are moving away from one another when the contact point is opened. This is due to electromagnetic Forces moved outward in the direction of the arc chamber.
  • the arc base points migrate away from the contact points along the baffles electrically connected to the circuit.
  • the arc When the arc has reached the quenching plates, it is divided into partial arcs and cooled by the quenching plates, which leads to the extinction of the partial arcs and to the stopping of the current flow.
  • the invention is therefore based on the object of improving an arc extinguishing device of the type mentioned above in such a way that even delicate designs of the extinguishing plates can be installed and fixed in a functionally reliable manner without additional expenditure.
  • spacing means are provided which keep the legs or feet of the extinguishing plates in the region of the contact points at a distance.
  • FIG. 1 shows an arc extinguishing device according to the invention with a cut-out switching chamber insert
  • FIG. 2 shows the arc extinguishing device according to FIG. 1 with fastening of the extinguishing plates on the switching chamber insert.
  • FIG. 1 shows an arc extinguishing device of a switching device, which here essentially consists of an arc chamber 1 made up of a plurality of U-shaped die-cut extinguishing plates 2 which are assembled into a package.
  • the legs or feet 3 of the quenching plates 2 surround a fixed 4 and a movable contact point 5 of the switching device.
  • the two contact points 4 and 5 lie in an interior formed and shielded by the switching chamber insert 6.
  • the feet or legs 3 are separated from the contact points 4 and 5 by walls 8 of the switching chamber insert.
  • an insulating strip 7 is folded, which keeps the quenching plates 2 at a distance and at the same time holds them together to form an assembly.

Landscapes

  • Arc-Extinguishing Devices That Are Switches (AREA)

Abstract

Les plaques (2) de forme filigrane d'une chambre de soufflage d'arc (1) doivent être montées et fixées de manière fiable et opérationnelle. A cet effet, les branches et les pieds (3) des plaques (2) sont gardés à distance par des éléments écarteurs (9), notamment des rainures (9), formés sur la surface extérieure de l'élément d'insertion (6) de la chambre de soufflage d'arc.
EP98966208A 1997-12-22 1998-12-11 Dispositif extincteur d'arc destine a un appareillage de connexion Expired - Lifetime EP1042772B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19757332 1997-12-22
DE19757332A DE19757332C1 (de) 1997-12-22 1997-12-22 Lichtbogenlöscheinrichtung für ein Schaltgerät
PCT/DE1998/003650 WO1999033080A1 (fr) 1997-12-22 1998-12-11 Dispositif extincteur d'arc destine a un appareillage de connexion

Publications (2)

Publication Number Publication Date
EP1042772A1 true EP1042772A1 (fr) 2000-10-11
EP1042772B1 EP1042772B1 (fr) 2002-03-13

Family

ID=7853060

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98966208A Expired - Lifetime EP1042772B1 (fr) 1997-12-22 1998-12-11 Dispositif extincteur d'arc destine a un appareillage de connexion

Country Status (5)

Country Link
US (1) US6288354B1 (fr)
EP (1) EP1042772B1 (fr)
CN (1) CN1133187C (fr)
DE (2) DE19757332C1 (fr)
WO (1) WO1999033080A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19935661A1 (de) * 1999-07-29 2001-02-01 Abb Patent Gmbh Schaltkontaktanordnung für einen Leistungsschalter
FR2801722B1 (fr) * 1999-11-25 2001-12-28 Schneider Electric Ind Sa Dispositif de coupure pour appareil interrupteur
FR2802701B1 (fr) * 1999-12-20 2002-01-18 Schneider Electric Ind Sa Dispositif de coupure d'un appareil interrupteur
DE10356271B4 (de) 2003-11-28 2008-02-14 Siemens Ag Schaltgerät
WO2016045718A1 (fr) * 2014-09-24 2016-03-31 Siemens Aktiengesellschaft Commutateur muni d'un dispositif d'extinction de l'arc électrique
US10056210B2 (en) 2016-01-14 2018-08-21 Rockwell Automation Switzerland Gmbh Arc chamber assembly and method
US10840035B1 (en) * 2019-08-29 2020-11-17 Rockwell Automation Switzerland Gmbh Arc chamber venting

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD19663A (fr) *
DE1005592B (de) * 1955-11-10 1957-04-04 Voigt & Haeffner Ag Befestigung von Loeschblechen in den Nuten einer Lichtbogenloeschkammer
DE1203346B (de) * 1963-06-24 1965-10-21 Licentia Gmbh Loeschblechanordnung fuer elektrische Schaltgeraete
DE1885241U (de) * 1963-06-28 1964-01-02 Licentia Gmbh Loeschblechanordnung fuer selbstschalter.
DE1894371U (de) * 1963-12-06 1964-06-11 Licentia Gmbh Loeschblechanordnung fuer elektrische schaltgeraete.
US3706868A (en) * 1971-10-18 1972-12-19 Square D Co Arc chute
US4405847A (en) * 1980-12-23 1983-09-20 Whipp & Bourme (1975) Limited Arc chutes
US4404442A (en) * 1980-12-29 1983-09-13 Siemens-Allis, Inc. Circuit interrupter having flash plates with interrupted surfaces
DE3421876A1 (de) * 1984-06-13 1985-12-19 Brown, Boveri & Cie Ag, 6800 Mannheim Lichtbogenloescheinrichtung
DE3531040C1 (de) * 1985-08-30 1987-06-04 Licentia Gmbh Loescheinrichtung fuer einen Allstrom-Leitungsschutzschalter
DE3630447A1 (de) * 1986-09-06 1988-03-10 Bbc Brown Boveri & Cie Lichtbogenloescheinrichtung
JPS63292543A (ja) * 1987-05-25 1988-11-29 Matsushita Electric Works Ltd 消弧装置
US4866226A (en) * 1987-07-13 1989-09-12 Mitsubishi Denki Kabushiki Kaisha Multi-phase circuit breaker employing arc extinguishing apparatus
US4945327A (en) * 1989-09-05 1990-07-31 General Electric Company Molded case circuit breaker variable arc exhaust shield
FR2665298B1 (fr) * 1990-07-30 1996-08-30 Merlin Gerin Chambre de coupure a separateurs frittes.
FR2687251B1 (fr) * 1992-02-11 1994-04-29 Telemecanique Structure de coupure pour disjoncteur.
US5589672A (en) * 1994-06-14 1996-12-31 Fuji Electric Co., Ltd. Circuit breaker with arc quenching device and vent
DE29501001U1 (de) * 1995-01-10 1995-03-23 Siemens AG, 80333 München Lichtbogenlöschkammer mit Nuten für Lichtbogenlöschbleche

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9933080A1 *

Also Published As

Publication number Publication date
DE19757332C1 (de) 1999-07-22
EP1042772B1 (fr) 2002-03-13
CN1273680A (zh) 2000-11-15
CN1133187C (zh) 2003-12-31
WO1999033080A1 (fr) 1999-07-01
US6288354B1 (en) 2001-09-11
DE59803389D1 (de) 2002-04-18

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