EP1500118B1 - Disjoncteur electrique comportant une barre de connexion et une corne de soufflage - Google Patents

Disjoncteur electrique comportant une barre de connexion et une corne de soufflage Download PDF

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Publication number
EP1500118B1
EP1500118B1 EP03735262.2A EP03735262A EP1500118B1 EP 1500118 B1 EP1500118 B1 EP 1500118B1 EP 03735262 A EP03735262 A EP 03735262A EP 1500118 B1 EP1500118 B1 EP 1500118B1
Authority
EP
European Patent Office
Prior art keywords
connecting rail
housing
arcing horn
recess
projection
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
EP03735262.2A
Other languages
German (de)
English (en)
Other versions
EP1500118A2 (fr
Inventor
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 EP1500118A2 publication Critical patent/EP1500118A2/fr
Application granted granted Critical
Publication of EP1500118B1 publication Critical patent/EP1500118B1/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
    • H01H9/46—Means for extinguishing or preventing arc between current-carrying parts using arcing horns
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/58—Electric connections to or between contacts; Terminals
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
    • H01H11/04—Apparatus or processes specially adapted for the manufacture of electric switches of switch contacts
    • H01H11/06—Fixing of contacts to carrier ; Fixing of contacts to insulating carrier

Definitions

  • the invention relates to an electrical circuit breaker having a housing and having a recorded in an opening of the housing connecting rail whose projecting end into the housing is formed as part of a switching contact arrangement and carries an arcing horn, which has a resting on the connecting rail mounting leg.
  • a circuit breaker is in the DE 198 19 165 A1 described.
  • a screw serves as a common fastening means for the connecting rail and the arcing horn lying on, in order to simplify the assembly of these parts in the manufacture of the circuit breaker. This is done in such a way that a arranged on the underside of the connecting rail web is supported on the inside of the housing and thereby the position of belonging to the switching contact arrangement inner end face of the connecting rail is determined.
  • a stop bar is provided on the arcing horn, which is supported outside the housing of the circuit breaker.
  • arc horn and the connecting rail are connected to each other and simultaneously set against displacement in both directions.
  • the arc horn is first inserted into the opening of the housing provided for the passage of the connecting rail in order to position the stop bar.
  • the connecting rail is inserted.
  • the height of the opening in the housing thus corresponds to the total height of Connecting rail and mounting leg of the arcing horn.
  • an electric circuit breaker according to the preamble of claim 1 is known, comprising a housing having an opening for receiving a connecting rail.
  • the projecting into the housing end of the connecting rail belongs to a switch contact arrangement and carries an arcing horn. This sets with one of the two free legs on the connecting rail, wherein a hole provided in the connecting rail receives a formed on the leg of the arc horn pin having a corresponding cross-section.
  • the invention has for its object to simplify the mounting of connecting rail and arcing horn and to improve the accessibility of the fastener for the arcing horn.
  • this object is achieved in that the opening of the cross-sectional shape of the connecting rail is dimensioned adapted, and on the housing a fastening leg of the arcing horn top and side overlapping collar is formed, which covers the mounting leg and laterally overlaps with lateral cheeks, and that Arcing horn for connection with the connecting rail with its mounting leg rests flat on the recess side of the connecting rail, wherein the projection is immersed in the groove-shaped recess.
  • connecting rail and arcing horn Due to the aforementioned design of connecting rail and arcing horn is achieved that the two parts can be brought by the projection and the recess before mounting in the housing of the circuit breaker in the intended relative position and in this position together in Housing can be mounted.
  • the connection of arcing horn and connecting rail by means of the mentioned projection and the corresponding recess makes it possible to select fastening means acting on the connecting rail. This has the advantage that the fastening means can be attached to a better protected against the influence of switching arcs position.
  • the opening in the housing is adapted to the cross-sectional shape of the connecting rail and formed on the housing a the mounting leg of the arcing horn top and laterally overlapping collar. Such a collar can be formed such that it extends into the vicinity of the arc leading part of the arcing horn and thus prevents displacement or displacement.
  • the projection provided on the fastening limb of the arc horn projection may be formed as a bent in the context of the invention, wherein the recess provided for receiving the projection is formed as a groove.
  • the mounting leg is as wide as the connecting rail dimensioned, and extends the fold over the entire width of the mounting leg and the recess over the entire width of the connecting rail, a stable and thus the operational requirements Connection of arcing horn and connecting rail achieved.
  • the provided in the housing of the circuit breaker for receiving the connecting rail opening can, as in the arrangement of the mentioned DE 198 19 165 A1 the case is to be sized for the common same height of the connecting rail and mounting leg of the arcing horn.
  • the invention avoids a fixing leg of the arcing horn penetrating fastening means.
  • a molded web as a stop means on the housing, as already by the DE 198 19 165 A1 already known.
  • FIG. 1 shows an essential for the invention range of a low-voltage circuit breaker in section.
  • the FIG. 2 shows in an enlarged perspective view a section of a housing of the low-voltage circuit breaker according to the FIG. 1 ,
  • the Indian FIG. 1 shown low-voltage circuit breaker 1 has in a known manner a housing 2 with a rear wall 3 and preferably a plurality of switching contact arrangements 4.
  • a drive device 5 serves for the simultaneous actuation of the switching contact arrangements 4.
  • These each have a contact carrier 6 and against it against spring force movably arranged contact lever 7.
  • Contact pieces or contact surfaces which cooperate with the contact levers 6 are attached to an upper connecting rail 10, which projects into the housing 2 and carries an arcing horn 11.
  • Arcing chambers 12 are located above the switching contact arrangements 4.
  • lower connecting bars 13 are connected to the contact levers 7 by flexible conductors 14.
  • FIG. 1 a screwless connection of the arcing horn 11 with the upper connecting rail 10.
  • the arcing horn 11 has a serving to guide switching arcs horn portion 15 and a mounting leg 16. This is provided at its end with a projection 17 formed as a bevel, for their inclusion at the top of the connecting rail 10, a groove-shaped recess 20 is mounted.
  • the mounting leg 16 and the connecting rail 10 have the same width. Accordingly, the recess 20 extends over the entire width of the connecting rail 10th
  • FIG. 2 shows the area of the upper connecting rail 10 and the arc horn 11 enlarged in a perspective view.
  • the arc horn 11 is brought to connect to the connecting rail 10 with its mounting leg 16 for surface contact on the top of the connecting rail 10 such that the projection 17 is immersed in the groove-shaped recess 20.
  • This assembly is now inserted in the direction of another arrow 22 in an opening 23 which is provided in the rear wall 3 of the housing 2 of the circuit breaker 1. In this case, the opening 23 of the connecting rail 10 is adjusted. Further, a collar 24 is formed on the rear wall 3 above the opening 23, which covers the mounting leg 16 and laterally overlaps with lateral cheeks 25.
  • the upper connecting rail 10 with attached arcing horn fastening means are provided which are accessible to the outside of the housing 2 and the rear wall 3.
  • the arrangement of the fastener is closer from the FIG. 1 seen.
  • a web 26 arranged on the underside of the connecting rail 10 is detected by a nut 27 designed as a pressure piece.
  • a retaining screw 30 passing through the rear wall 3 engages in the nut 27 and presses the connecting rail 10 with its web 26 from the inside against the rear wall 3.
  • a head 31 of the retaining screw 30 is located on the outside of the rear wall 3 and is therefore good for use accessible.
  • the mounting leg 16 of the arcing horn 11 is free from fasteners and is largely covered and protected on its upper side by the collar 24.
  • the recess 20 in the connecting rail 10 may be suitably introduced in its manufacture by profiling in the same manner as the web 26. Therefore, it is unnecessary to produce the recess 20 by a separate processing of the connecting rail 10.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Arc-Extinguishing Devices That Are Switches (AREA)
  • Breakers (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Installation Of Bus-Bars (AREA)

Claims (4)

  1. Disjoncteur ( 1 ) électrique, comprenant un corps ( 2 ) et une barre ( 10 ) de connexion, qui est reçue dans une ouverture ( 23 ) du corps ( 2 ) et dont l'extrémité, pénétrant dans le corps ( 2 ), est constituée en partie d'un agencement ( 4 ) de contact du disjoncteur et porte une corne ( 11 ) d'arc, qui a une branche ( 16 ) de fixation s'appliquant sur la barre ( 10 ) de connexion,
    dans lequel il est constitué, sur la branche ( 16 ) de fixation de la corne ( 10 ) d'arc, au moins une saillie ( 17 ) dirigée vers la barre ( 10 ) de connexion et dans lequel la barre ( 10 ) de connexion a un évidement ( 20 ) de réception de la saillie ( 17 ),
    caractérisé
    en ce que l'ouverture ( 23 ) est, en dimension, adaptée à la forme de la section transversale de la barre ( 10 ) de connexion et
    il est formé, sur le corps ( 2 ), un collet ( 24 ) recouvrant en haut et latéralement la branche ( 16 ) de fixation de la corne ( 11 ) d'arc, qui recouvre la branche ( 16 ) de fixation et empiète latéralement par ses joues ( 25 ) latérales et
    en ce que la corne ( 11 ) d'arc s'applique pour la fixation à la barre ( 10 ) de connexion par sa branche ( 16 ) de fixation suivant une surface au côté de l'évidement de la barre ( 10 ) de connexion, la saillie ( 17 ) pénétrant dans l'évidement ( 20 ) en forme de rainure.
  2. Disjoncteur suivant la revendication 1,
    caractérisé
    en ce que la saillie ( 17 ) est constituée sur la branche ( 16 ) de fixation de la corne ( 10 ) d'arc sous la forme d'un pliage et en ce que l'évidement ( 20 ) de la barre ( 10 ) de connexion est constitué sous la forme d'une rainure.
  3. Disjoncteur suivant la revendication 2,
    caractérisé
    en ce que la branche ( 16 ) de fixation a la même dimension en largeur que la barre ( 10 ) de fixation et en ce que la saillie ( 17 ) s'étend sur toute la largeur de la branche ( 16 ) de fixation et l'évidement ( 20 ) sur toute la largeur de la barre ( 10 ) de connexion.
  4. Disjoncteur suivant la revendication 1,
    caractérisé
    en ce que la barre ( 10 ) de connexion a une barrette ( 26 ) venue de matière comme moyen de butée sur le corps ( 2 ) et en ce qu'il est prévu des moyens ( 31 ) de fixation prenant la barrette ( 26 ) et pouvant être manoeuvrés de l'extérieur du corps.
EP03735262.2A 2002-04-26 2003-04-10 Disjoncteur electrique comportant une barre de connexion et une corne de soufflage Expired - Lifetime EP1500118B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10219558A DE10219558B4 (de) 2002-04-26 2002-04-26 Elektrischer Leistungsschalter mit einer Anschlussschiene und einem Lichtbogenhorn
DE10219558 2002-04-26
PCT/DE2003/001261 WO2003092026A2 (fr) 2002-04-26 2003-04-10 Disjoncteur electrique comportant une barre de connexion et une corne a arc electrique

Publications (2)

Publication Number Publication Date
EP1500118A2 EP1500118A2 (fr) 2005-01-26
EP1500118B1 true EP1500118B1 (fr) 2016-06-01

Family

ID=29224970

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03735262.2A Expired - Lifetime EP1500118B1 (fr) 2002-04-26 2003-04-10 Disjoncteur electrique comportant une barre de connexion et une corne de soufflage

Country Status (7)

Country Link
US (1) US7067758B2 (fr)
EP (1) EP1500118B1 (fr)
CN (1) CN100386831C (fr)
DE (1) DE10219558B4 (fr)
HK (1) HK1075968A1 (fr)
RU (1) RU2297066C2 (fr)
WO (1) WO2003092026A2 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9058939B2 (en) 2011-06-29 2015-06-16 Schneider Electric USA, Inc. Configuration of an arc runner for a miniature circuit breaker
WO2014098288A1 (fr) * 2012-12-21 2014-06-26 현대중공업 주식회사 Disjoncteur à air
EP3048625B1 (fr) * 2015-01-23 2017-08-16 ABB S.p.A. Pôle de commutation basse tension
DE102018004759A1 (de) 2017-06-16 2018-12-20 Euroimmun Medizinische Labordiagnostika Ag Diagnose einer Neuroautoimmunkrankheit
CN109586054B (zh) * 2018-11-28 2020-04-10 安徽省徽腾智能交通科技有限公司 一种端子的可调节稳固安装连接结构
EP4177920B1 (fr) 2021-11-08 2024-06-26 ABB S.p.A. Pôle de commutation basse tension

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5589672A (en) * 1994-06-14 1996-12-31 Fuji Electric Co., Ltd. Circuit breaker with arc quenching device and vent

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1009698B (de) * 1954-07-19 1957-06-06 Siemens Ag Anordnung bei elektrischen Schaltkontakten
US4973805A (en) * 1989-04-03 1990-11-27 Westinghouse Electric Corp. Arc runner, containment support assembly
DE8906799U1 (de) 1989-06-02 1990-09-27 Siemens AG, 1000 Berlin und 8000 München Schaltstück für elektrische Schaltgeräte
FR2650434B1 (fr) * 1989-07-26 1995-11-24 Merlin Gerin Disjoncteur basse tension a contacts multiples et a fortes intensites
DE19643607A1 (de) 1996-05-13 1997-11-20 Siemens Ag Leistungsschalter für Niederspannung mit Anschlußschienen
DE19814410C2 (de) * 1998-03-31 2000-03-23 Moeller Gmbh Anordnung zur Festkontaktbefestigung für elektrische Schaltgeräte
DE19819165A1 (de) * 1998-04-24 1999-10-28 Siemens Ag Niederspannungs-Leistungsschalter mit einer einschiebbaren Stromschiene
US5969314A (en) * 1998-05-07 1999-10-19 Eaton Corporation Electrical switching apparatus having arc runner integral with stationary arcing contact
DE19932010C1 (de) * 1999-07-02 2001-03-08 Siemens Ag Schaltkontaktanordnung eines Niederspannungs-Leistungschalters mit Hauptkontakten, Zwischenkontakten und Abreißkontakten
DE29918340U1 (de) * 1999-10-18 2000-01-20 Abb Patent Gmbh, 68309 Mannheim Elektrischer Installationsschalter
DE19957259C2 (de) 1999-11-19 2001-11-29 Siemens Ag Schaltkontaktanordnung mit einer feststehenden Baugruppe aus Vorkontakt und Lichtbogenhorn

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5589672A (en) * 1994-06-14 1996-12-31 Fuji Electric Co., Ltd. Circuit breaker with arc quenching device and vent

Also Published As

Publication number Publication date
EP1500118A2 (fr) 2005-01-26
DE10219558B4 (de) 2004-08-26
HK1075968A1 (en) 2005-12-30
CN100386831C (zh) 2008-05-07
US7067758B2 (en) 2006-06-27
WO2003092026A3 (fr) 2004-02-12
CN1643631A (zh) 2005-07-20
US20050151605A1 (en) 2005-07-14
RU2004134586A (ru) 2005-07-10
DE10219558A1 (de) 2003-11-13
WO2003092026A2 (fr) 2003-11-06
RU2297066C2 (ru) 2007-04-10

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