EP0647350B1 - Schaltstruktur für lastschalter - Google Patents

Schaltstruktur für lastschalter Download PDF

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Publication number
EP0647350B1
EP0647350B1 EP93909031A EP93909031A EP0647350B1 EP 0647350 B1 EP0647350 B1 EP 0647350B1 EP 93909031 A EP93909031 A EP 93909031A EP 93909031 A EP93909031 A EP 93909031A EP 0647350 B1 EP0647350 B1 EP 0647350B1
Authority
EP
European Patent Office
Prior art keywords
cage
circuit breaker
fact
contact bridge
fixed
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
EP93909031A
Other languages
English (en)
French (fr)
Other versions
EP0647350A1 (de
Inventor
Christian Pichard
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.)
Schneider Electric Industries SAS
Original Assignee
Schneider Electric SE
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26229247&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0647350(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Schneider Electric SE filed Critical Schneider Electric SE
Publication of EP0647350A1 publication Critical patent/EP0647350A1/de
Application granted granted Critical
Publication of EP0647350B1 publication Critical patent/EP0647350B1/de
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
    • H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
    • H01H73/02—Details
    • H01H73/04—Contacts
    • H01H73/045—Bridging contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
    • H01H1/20—Bridging contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details

Definitions

  • the present invention relates to a circuit breaker comprising, in a housing and for each pole a contact bridge breaking structure according to the preamble of claim 1.
  • circuit breakers comprising a breaking structure, such as for example that described in European patent application 0 501 885 A1 filed at name of TELEMECANIQUE, are well known.
  • the breaking structures In combination with arc extinguishing assemblies, the breaking structures have for function of opening the contacts of the respective poles by response to a voluntary or consecutive order to a electrical fault communicated to the opening-closing mechanism. It is desirable to confer on such a contact structure of additional functions facilitating the assembly and / or operation of the circuit breaker.
  • the object of the invention is in particular to transfer to the contact bridge structure of functions, such as pusher guidance and / or containment functions of arc, usually allocated to the case of the circuit breaker.
  • circuit breaker comprising, in a box and for each pole, a breaking structure comprising a cage with windows for the passage of a bridge mobile contact associated with fixed contacts, said contacts windows allowing the displacement of the contact bridge under the effect of an opening and closing mechanism contacts, and in case of electrodynamic repulsion, and a pusher subject to said mechanism and guided by said cage, this pusher requesting the contact bridge to against a contact pressure spring.
  • this circuit breaker is characterized in that an independent breaking structure is provided for each pole, and in that each cage is fixed relative to the housing and has insulating side wings arranged so as to delimit a volume containing the cutting arcs.
  • the pusher preferably comprises at least one light sized to allow the introduction of the contact and angular travel of the bridge relative to the pusher, the deflection is therefore made possible although the pusher is guided in translation in the fixed cage.
  • the pre-chambers of break formed by the insulating side wings are embraced by the ends of structural fins arc extinction.
  • the circuit breaker illustrated in Figure 1 includes a housing made of insulating material 10 of which only the base piece and, in this case, several paths polar currents each provided with a breaking structure S with separable contacts. So each polar path comprises two fixed contacts 11, 12 arranged on fixed contact parts 13, 14 connected to terminals not indicated. It also includes two mobile contacts 15, 16 associated respectively with the fixed contacts 11, 12 and arranged on an electrically conductive bridge and movable 17 to constitute a polar switch with double break.
  • the movable contact bridge 17 is biased by a mechanism not shown opening and closing of contacts, this via a guided pusher 20 according to the invention in a fixed cage 21.
  • the cage 21 is of insulating material and comprises a bottom wall 22, side walls 23 perpendicular to the interpolar partitions 19 and provided with windows 24 and side walls full 25 parallel to the partitions 19.
  • the wall of bottom 22 of the cage is placed on the bottom 18 of the housing 10.
  • FIG. 2 is illustrated in more detail a first embodiment of the breaking structure S.
  • the windows 24 of the side walls 23 of the fixed cage are sized to allow displacement of the contact bridge, especially under the effect of the opening-closing mechanism in the event of repulsion electrodynamics.
  • the windows 24 determine a high stop 26 for the contact bridge 17.
  • a contact pressure helical spring 28 is housed between the bottom wall 22 of the cage and the bridge of contact 17 in a central recess 29 of the cage 21 which also serves as housing and guide in translation for the pusher 20. The latter is thus guided against the faces internal side walls 23, 25 of the cage by respective walls 30, 31.
  • the walls 30 of the pusher are indented by lights 32 sized to allow, on the one hand, the introduction of the bridge into the pusher, on the other hand, an angular movement of the bridge by compared to the pusher.
  • the bottom wall 22 of the fixed cage has a re-entrant part 34 used for the passage of a folded flat piece 35 of arc deflection which connects the chambers together respective cutoff 36, 37.
  • the cage fixed 21 of the cut-off structure S includes wings insulators 38 parallel to the interpolar partitions 19 and extending longitudinally a little more the length of deck 17 and sufficient height to create a volume containing the cutting arcs.
  • Finned assemblies 39 which have the function of splitting and chase the bows, include some number of fins 40 in general U-shape open from contact side. The open area of the U embraces, by its wings 41, the insulating wings 38 of the fixed cage.
  • the bottom wall 22 of the fixed cage is advantageously protruding to be housed in a corresponding central cavity 42 to an external projection of the bottom 18 of the housing 10, in order to reduce the overall height of the circuit breaker.
  • Pins 43 are provided on deck 17 for cooperate with corresponding shapes of the walls 30 of the pusher 20, in order to keep the bridge centered relative to to the pusher.
  • the wings 38 of the cutting structure define, with a corresponding veil 44 which extends the bottom wall 22 of the cage, cut-off pre-chambers 45, 46 housed in rooms 36, 37.
  • the fixed cage 21 is advantageously made of a material distinct from that of base of the case since the cage supports most of the cutting constraints.
  • the structure described in connection of a circuit breaker of course applies to devices different protection switches, especially at contactors-circuit breakers.

Landscapes

  • Breakers (AREA)
  • Arc-Extinguishing Devices That Are Switches (AREA)
  • Tumbler Switches (AREA)

Claims (7)

  1. Trennschalter, der in einem Gehäuse (10) und für jeden Pol eine Trennstruktur (S) besitzt, die einen Käfig (21), der Fenster (24) für den Durchlass einer festen Kontakten (13, 14) zugeordneten beweglichen Kontaktbrücke (17) besitzt, wobei die Fenster (24) die Verschiebung der Kontaktbrücke (17) unter der Wirkung eines Öffnungs- und Schliessmechanismus für die Kontakte und im Fall eines elektrodynamischen Rückstosses ermöglichen, und einen von diesem Mechanismus abhängigen und vom Käfig (21) geführten Drücker (20) aufweist, wobei dieser Drücker (20) die Kontaktsbrücke (17) gegen eine Kontaktdruckfeder (28) beaufschlagt,
    dadurch gekennzeichnet, dass eine unabhängige Trennstruktur (S) für jeden Pol vorgesehen ist, und dass jeder Käfig (21) in Bezug auf das Gehäuse (10) ortsfest ist und seitliche isolierende Flügel (38) aufweist, die so angeordnet sind dass sie ein Volumen begrenzen, das die Öffnungs-Lichtbögen enthält.
  2. Trennschalter nach Anspruch 1,
    dadurch gekennzeichnet, dass der ortsfeste Käfig (21) einen Anschlag (26) für die Kontaktbrücke (17) in der der Entspannung der Feder (28) entsprechenden Richtung aufweist.
  3. Trennschalter nach Anspruch 1 oder 2,
    dadurch gekennzeichnet, dass der Drücker (20) die Kontaktbrücke (17) trägt und mindestens eine Öffnung (32) aufweist, die so bemessen ist, dass sie die Einführung der Kontaktbrücke (17) in den Drücker (20) und eine Verschiebung der Brücke (17) in Bezug auf den Drücker (20) ermöglicht.
  4. Trennschalter nach Anspruch 1,
    dadurch gekennzeichnet, dass die isolierenden Flügel (38) von offenen Zonen (39) geflügelter Elemente (37) zur Lichtbogenlöschung umgeben sind.
  5. Trennschalter nach einem der Ansprüche 1 bis 4,
    dadurch gekennzeichnet, dass der ortsfeste Käfig (21) eine Bodenwand (22) aufweist, die auf den Boden (18) des Gehäuses (10) aufgesetzt ist.
  6. Trennschalter nach Anspruch 5.
    dadurch gekennzeichent, dass zwischen der Bodenwand (22) des Käfigs (21) und dem Boden (18) des Gehäuses (10) eine flache Ablenkplatte (25) vorgesehen ist, die die Trennkammern (36, 37) verbindet.
  7. Trennschalter nach einem der Ansprüche 1 bis 6.
    dadurch gekennzeichnet, dass das Material des festen Käfigs (21) sich von dem der benachbarten Zonen des Gehäuses (10) des Trennschalters unterscheidet.
EP93909031A 1992-02-11 1993-04-20 Schaltstruktur für lastschalter Expired - Lifetime EP0647350B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9201496A FR2687251B1 (fr) 1992-02-11 1992-02-11 Structure de coupure pour disjoncteur.
PCT/FR1993/000386 WO1994024682A1 (fr) 1992-02-11 1993-04-20 Structure de coupure pour disjoncteur

Publications (2)

Publication Number Publication Date
EP0647350A1 EP0647350A1 (de) 1995-04-12
EP0647350B1 true EP0647350B1 (de) 1998-12-16

Family

ID=26229247

Family Applications (2)

Application Number Title Priority Date Filing Date
EP93400314A Expired - Lifetime EP0556109B1 (de) 1992-02-11 1993-02-08 Schaltstruktur für Lastschalter
EP93909031A Expired - Lifetime EP0647350B1 (de) 1992-02-11 1993-04-20 Schaltstruktur für lastschalter

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP93400314A Expired - Lifetime EP0556109B1 (de) 1992-02-11 1993-02-08 Schaltstruktur für Lastschalter

Country Status (13)

Country Link
US (1) US5635886A (de)
EP (2) EP0556109B1 (de)
JP (1) JP3320813B2 (de)
KR (1) KR0129783B1 (de)
CN (1) CN1034616C (de)
AU (1) AU675934B2 (de)
BR (1) BR9306583A (de)
CZ (1) CZ285268B6 (de)
DE (1) DE69302599T2 (de)
ES (1) ES2125980T3 (de)
FR (1) FR2687251B1 (de)
RU (1) RU2087973C1 (de)
WO (1) WO1994024682A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19943965A1 (de) * 1999-09-14 2001-03-15 Moeller Gmbh Niederspannungsschaltgerät

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DE19519756C1 (de) * 1995-05-30 1996-07-25 Siemens Ag Elektromagnetisches Schaltgerät
FR2752087B1 (fr) * 1996-07-30 1998-09-11 Schneider Electric Sa Appareil interrupteur de type contacteur-disjoncteur
US6013889A (en) * 1997-06-02 2000-01-11 Allen-Bradley Company, Llc Method for retaining a movable contact in a circuit interrupter
DE19757332C1 (de) * 1997-12-22 1999-07-22 Siemens Ag Lichtbogenlöscheinrichtung für ein Schaltgerät
DE19814411C1 (de) * 1998-03-31 1999-07-15 Moeller Gmbh Elektromagnetisches Schaltgerät mit Löschkammern
US6084488A (en) * 1998-04-03 2000-07-04 Pass & Seymour, Inc. Compact high current relay
DE19818058C2 (de) 1998-04-22 2000-12-14 Siemens Ag Schaltgerät mit einer Schaltkammer-Baugruppe
US6194984B1 (en) * 1998-09-30 2001-02-27 Rockwell Technologies, Llc Movable contact assembly for an electrical contactor
DE19856678C2 (de) * 1998-12-04 2002-01-24 Moeller Gmbh Elektrische Schaltvorrichtung
SE516457C2 (sv) * 1999-01-28 2002-01-15 Asea Brown Boveri Brytare i kontaktor
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
JP3859053B2 (ja) * 2000-07-07 2006-12-20 富士電機機器制御株式会社 回路遮断器
FR2813988B1 (fr) * 2000-09-08 2003-10-17 Schneider Electric Ind Sa Dispositif de coupure d'un appareil interrupteur
JP3959684B2 (ja) 2002-09-09 2007-08-15 富士電機機器制御株式会社 回路遮断器
JP4395023B2 (ja) * 2003-11-04 2010-01-06 三菱電機株式会社 回路遮断器
DE10356271B4 (de) 2003-11-28 2008-02-14 Siemens Ag Schaltgerät
DE102005028474B4 (de) * 2005-06-20 2008-04-30 Siemens Ag Kontaktsystem, insbesondere für ein Schaltgerät
US7265311B1 (en) * 2006-04-26 2007-09-04 Caton Corporation Arc chamber barrier with interlocking top for circuit breaker
JP4908118B2 (ja) * 2006-09-05 2012-04-04 河村電器産業株式会社 回路遮断器
JP4856522B2 (ja) * 2006-11-21 2012-01-18 河村電器産業株式会社 回路遮断器
DE102006055007A1 (de) * 2006-11-22 2008-05-29 Abb Ag Installationsschaltgerät mit einer Doppelunterbrechung
US7982564B2 (en) * 2008-06-30 2011-07-19 Remy Technologies, Llc Starter solenoid with vibration resistant features
DE102009023556B4 (de) * 2009-05-30 2012-01-19 Abb Ag Elektrisches Schaltgerät mit einem thermischen Auslöser
CN102473555B (zh) * 2009-08-04 2014-09-17 Abb(瑞典)股份公司 低压接触器
JP2012043541A (ja) * 2010-08-12 2012-03-01 Fuji Electric Fa Components & Systems Co Ltd 回路遮断器
EP2573784B1 (de) * 2011-09-21 2016-08-03 Siemens Aktiengesellschaft Leistungsschalter mit optimierter Gehäusestabilisierung durch klemmend wirkende Festschaltstücke
DE102012201967B4 (de) * 2012-02-09 2019-01-17 Te Connectivity Germany Gmbh Schaltkontaktbaugruppe sowie Bausatz und Montageverfahren hierfür
DE102012201966A1 (de) * 2012-02-09 2013-08-14 Tyco Electronics Amp Gmbh Schaltkontaktbaugruppe mit Schaltkontaktbrücke und Kontaktbrückenhalter
US9396898B2 (en) * 2013-03-15 2016-07-19 Rockwell Automation Technologies, Inc. Multipole electromechanical switching device
KR200484099Y1 (ko) * 2013-05-21 2017-08-14 엘에스산전 주식회사 전자 접촉기
RU2557008C2 (ru) * 2013-05-22 2015-07-20 Владимир Васильевич Бычков Устройство для коммутации участка электрической цепи преимущественно для взрывоопасных зон
FR3006102B1 (fr) * 2013-05-24 2015-12-04 Legrand France Appareillage electrique tel qu'un interrupteur
DE102013210194A1 (de) * 2013-05-31 2014-12-04 Tyco Electronics Amp Gmbh Anordnung für ein elektrisches Schaltelement mit einer Dichtungsanordnung
DE102014004665B4 (de) * 2014-03-31 2019-12-05 Schaltbau Gmbh Mehrpoliges Leistungsschütz
US10224162B2 (en) * 2014-09-24 2019-03-05 Siemens Aktiengesellschaft Switching device with arc extinguishing device
CN107170604A (zh) * 2016-04-29 2017-09-15 浙江英洛华新能源科技有限公司 高压直流继电器相向电弧隔离装置
RU170596U1 (ru) * 2016-12-19 2017-05-05 Владимир Максимович Буртовой Дугогасительное устройство
FR3074355B1 (fr) * 2017-11-28 2020-12-18 Schneider Electric Ind Sas Dispositif de coupure d'un courant electrique
US10840035B1 (en) * 2019-08-29 2020-11-17 Rockwell Automation Switzerland Gmbh Arc chamber venting
FR3115924B1 (fr) * 2020-11-03 2023-05-12 Schneider Electric Ind Sas Porte-contact mobile pour coupe-circuit et coupe-circuit comprenant un tel porte-contact mobile
RU210089U1 (ru) * 2021-07-12 2022-03-28 Акционерное общество "Научно-производственное предприятие "Алмаз" (АО "НПП "Алмаз") Коаксиальный свч-переключатель, выдерживающий высокий уровень мощности

Citations (1)

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Publication number Priority date Publication date Assignee Title
EP0501885A1 (de) * 1991-02-28 1992-09-02 Schneider Electric Sa Lastschalter

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FR1443954A (fr) * 1965-03-26 1966-07-01 Cem Comp Electro Mec Blocs interrupteurs de commande perfectionnés
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FR2446538A1 (fr) * 1979-01-11 1980-08-08 Merlin Gerin Disjoncteur limiteur basse tension a declencheur electromagnetique perfectionne
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FR2669463B1 (fr) * 1990-11-15 1995-05-12 Telemecanique Interrupteur de protection.

Patent Citations (1)

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Publication number Priority date Publication date Assignee Title
EP0501885A1 (de) * 1991-02-28 1992-09-02 Schneider Electric Sa Lastschalter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19943965A1 (de) * 1999-09-14 2001-03-15 Moeller Gmbh Niederspannungsschaltgerät

Also Published As

Publication number Publication date
CZ285268B6 (cs) 1999-06-16
CZ325294A3 (en) 1995-05-17
DE69302599D1 (de) 1996-06-20
CN1080429A (zh) 1994-01-05
FR2687251B1 (fr) 1994-04-29
JP3320813B2 (ja) 2002-09-03
FR2687251A1 (fr) 1993-08-13
EP0556109B1 (de) 1996-05-15
WO1994024682A1 (fr) 1994-10-27
JPH0668771A (ja) 1994-03-11
AU675934B2 (en) 1997-02-27
BR9306583A (pt) 1998-12-08
ES2125980T3 (es) 1999-03-16
CN1034616C (zh) 1997-04-16
EP0556109A1 (de) 1993-08-18
RU2087973C1 (ru) 1997-08-20
KR0129783B1 (en) 1998-04-15
US5635886A (en) 1997-06-03
EP0647350A1 (de) 1995-04-12
RU94046432A (ru) 1996-10-27
DE69302599T2 (de) 1996-09-26
AU3958193A (en) 1994-11-08
KR930018610A (ko) 1993-09-22

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