EP1500118A2 - Elektrischer leistungsschalter mit einer anschlussschiene und einem lichtbogenhorn - Google Patents
Elektrischer leistungsschalter mit einer anschlussschiene und einem lichtbogenhornInfo
- Publication number
- EP1500118A2 EP1500118A2 EP03735262A EP03735262A EP1500118A2 EP 1500118 A2 EP1500118 A2 EP 1500118A2 EP 03735262 A EP03735262 A EP 03735262A EP 03735262 A EP03735262 A EP 03735262A EP 1500118 A2 EP1500118 A2 EP 1500118A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- connecting rail
- housing
- circuit breaker
- arcing horn
- connecting bar
- 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
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
- H01H9/46—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 with a housing and with a connecting rail accommodated in an opening in the housing, the end of which projects into the housing and is designed as a component of a switch contact arrangement and carries an electric arc which has a fastening leg resting on the connecting rail.
- a circuit breaker of the type mentioned is such. B. described in DE 198 19 165 AI.
- a screw serves as a common fastening means for the connecting rail and the arc hoop on top, in order to simplify the assembly of these parts when the circuit breaker is manufactured. This is done in such a way that a web arranged on the underside of the connection rail is supported on the inside of the housing and the position of the inner end face of the connection rail belonging to the switching contact arrangement is thereby determined.
- a stop bar is provided on the arc home, which is supported on the outside of the housing of the circuit breaker.
- Fastening means engaging in the connecting rail and passing through the overlying fastening leg connect the arcing hoop and the connecting rail to one another and, at the same time, fix them against displacement in both directions.
- the electric arc hoist is first inserted into the opening in the housing provided for the connection rail to pass through, in order to position the stop bar.
- the connecting rail is then inserted.
- the height of the opening in the housing This corresponds to the total height of the connecting rail and
- the object of the invention is to simplify the assembly of the connecting rail and the arc heater and to improve the accessibility of the fastening means for the arc heater.
- this object is achieved in that at least one projection directed against the connecting rail is formed on the fastening leg of the arcing horn and in that the connecting rail has a recess corresponding to the projection.
- the above-mentioned design of the connecting rail and the arc homing means that the two parts can be brought into the intended relative position by the projection and the recess before assembly in the housing of the circuit breaker and can be mounted together in the housing in this position.
- the connection of the arc homing and the connecting rail by means of the above-mentioned projection and the corresponding recess makes it possible to choose fastening means which act on the connecting rail. This has the advantage that the fastening means can be attached at a location that is better protected against the influence of switching arcs.
- the projection provided on the fastening arm of the arcing horn can be designed as a bevel in the context of the invention, the recess provided for receiving the projection being designed as a groove.
- the fastening leg is as wide as the connecting rail is, and the fold extends 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 between the arc homing and connecting rail is achieved.
- the opening provided in the circuit breaker housing for receiving the connection rail can, as is also the case with the arrangement according to the mentioned DE 198 19 165 AI, be dimensioned for the common height of the connection rail and the mounting arm of the arcing horn.
- the opening in the housing can be adapted to the cross-sectional shape of the connecting rail, and a collar covering the fastening leg of the arcing horn and covering laterally can be formed on the housing.
- a collar can be designed in such a way that it extends up to the vicinity of the part of the arcing horn which guides the arc and thus prevents displacement or displacement.
- the invention avoids a fastening means passing through the fastening leg of the arcing horn.
- a fastening means passing through the fastening leg of the arcing horn.
- FIG. 1 shows a section of a low-voltage circuit breaker that is essential to the invention.
- FIG. 2 shows an enlarged perspective view of a section of a housing of the low-voltage circuit breaker according to FIG. 1.
- the low-voltage circuit breaker 1 shown in FIG. 1 has, in a known manner, a housing 2 with a rear wall 3 and preferably a plurality of switch contact arrangements 4.
- a drive device 5 serves for the simultaneous actuation of the switch contact arrangements 4.
- These each have a contact carrier 6 and contact levers 7 arranged thereon so as to be movable against spring force.
- Contact pieces or contact surfaces interacting with the contact levers 6 are attached to an upper connecting rail 10 which projects into the housing 2 and which carries an arc heater 11.
- Arc quenching chambers 12 are located above the switch contact arrangements 4.
- lower connection rails 13 which are connected to the contact levers 7 by flexible conductors 14, are used to connect the switch contact arrangements 4 to an external circuit.
- FIG. 1 shows a screwless connection of the arcing horn 11 to the upper connecting rail 10.
- the arcing horn 11 has a horn part 15 which serves to guide switching arcs and a fastening leg 16. At its end, this is provided with a projection 17 designed as a bevel, for the reception of which a groove-shaped recess 20 is provided on the upper side of the connecting rail 10.
- the fastening leg 16 and the connecting rail 10 have the same width.
- the recess 20 extends over the entire width of the connecting rail 10. Further details and the procedure for assembly can be seen in more detail in FIG. 2, which shows an enlarged perspective view of the area of the upper connecting rail 10 and the arc hoof 11.
- the electric arc ho 11 for connection to the connecting bar 10 with its fastening leg 16 is brought to a flat support on the upper side of the connecting bar 10 in such a way that the projection 17 dips into the groove-shaped recess 20.
- This assembly is now inserted in the direction of a further arrow 22 into an opening 23 which is provided in the rear wall 3 of the housing 2 of the circuit breaker 1.
- the opening 23 of the connecting rail 10 is adapted.
- a collar 24 is formed on the rear wall 3 above the opening 23, which covers the fastening leg 16 and also overlaps laterally with lateral cheeks 25.
- Fastening means are provided for the final fastening of the upper connecting rail 10 with the arc homing attached, which are accessible on the outside of the housing 2 or the rear wall 3.
- the arrangement of the fastening means can be seen in more detail in FIG. 1. It is shown there that a web 26 arranged on the underside of the connecting rail 10 is gripped 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 bar 10 with its web 26 against the rear wall 3 from the inside.
- 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 fastening leg 16 of the arcing horn 11 is, in contrast, free of fastening means and is largely covered and protected on its upper side by the collar 24.
- the other parts of a switching pole of a low-voltage circuit breaker shown correspond to a conventional design, as can be seen, for example, from EP 0 898 779 B1 and are therefore not described in more detail.
- the recess 20 in the connecting rail 10 can advantageously be introduced by profiling in the same way as the web 26 when it is produced. It is therefore not necessary to borrow the recess 20 by processing the connecting rail 10 separately.
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
- Installation Of Bus-Bars (AREA)
- Breakers (AREA)
- Switch Cases, Indication, And Locking (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10219558 | 2002-04-26 | ||
DE10219558A DE10219558B4 (de) | 2002-04-26 | 2002-04-26 | Elektrischer Leistungsschalter mit einer Anschlussschiene und einem Lichtbogenhorn |
PCT/DE2003/001261 WO2003092026A2 (de) | 2002-04-26 | 2003-04-10 | Elektrischer leistungsschalter mit einer anschlussschiene und einem lichtbogenhorn |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1500118A2 true EP1500118A2 (de) | 2005-01-26 |
EP1500118B1 EP1500118B1 (de) | 2016-06-01 |
Family
ID=29224970
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03735262.2A Expired - Lifetime EP1500118B1 (de) | 2002-04-26 | 2003-04-10 | Elektrischer leistungsschalter mit einer anschlussschiene und einem lichtbogenhorn |
Country Status (7)
Country | Link |
---|---|
US (1) | US7067758B2 (de) |
EP (1) | EP1500118B1 (de) |
CN (1) | CN100386831C (de) |
DE (1) | DE10219558B4 (de) |
HK (1) | HK1075968A1 (de) |
RU (1) | RU2297066C2 (de) |
WO (1) | WO2003092026A2 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102018004759A1 (de) | 2017-06-16 | 2018-12-20 | Euroimmun Medizinische Labordiagnostika Ag | Diagnose einer Neuroautoimmunkrankheit |
Families Citing this family (5)
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 |
US9040863B1 (en) * | 2012-12-21 | 2015-05-26 | Hyundai Heavy Industries Co., Ltd. | Air circuit breaker |
ES2645855T3 (es) * | 2015-01-23 | 2017-12-11 | Abb S.P.A. | Polo interruptor de bajo voltaje |
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 (de) | 2021-11-08 | 2024-06-26 | ABB S.p.A. | Niederspannungsschalterpol |
Family Cites Families (12)
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 |
US5589672A (en) | 1994-06-14 | 1996-12-31 | Fuji Electric Co., Ltd. | Circuit breaker with arc quenching device and vent |
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 |
-
2002
- 2002-04-26 DE DE10219558A patent/DE10219558B4/de not_active Expired - Fee Related
-
2003
- 2003-04-10 EP EP03735262.2A patent/EP1500118B1/de not_active Expired - Lifetime
- 2003-04-10 US US10/510,686 patent/US7067758B2/en not_active Expired - Fee Related
- 2003-04-10 RU RU2004134586/09A patent/RU2297066C2/ru not_active IP Right Cessation
- 2003-04-10 CN CNB038071703A patent/CN100386831C/zh not_active Expired - Fee Related
- 2003-04-10 WO PCT/DE2003/001261 patent/WO2003092026A2/de active Application Filing
-
2005
- 2005-09-09 HK HK05107932A patent/HK1075968A1/xx not_active IP Right Cessation
Non-Patent Citations (1)
Title |
---|
See references of WO03092026A2 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102018004759A1 (de) | 2017-06-16 | 2018-12-20 | Euroimmun Medizinische Labordiagnostika Ag | Diagnose einer Neuroautoimmunkrankheit |
Also Published As
Publication number | Publication date |
---|---|
CN1643631A (zh) | 2005-07-20 |
US7067758B2 (en) | 2006-06-27 |
HK1075968A1 (en) | 2005-12-30 |
EP1500118B1 (de) | 2016-06-01 |
DE10219558B4 (de) | 2004-08-26 |
RU2297066C2 (ru) | 2007-04-10 |
CN100386831C (zh) | 2008-05-07 |
WO2003092026A2 (de) | 2003-11-06 |
US20050151605A1 (en) | 2005-07-14 |
WO2003092026A3 (de) | 2004-02-12 |
RU2004134586A (ru) | 2005-07-10 |
DE10219558A1 (de) | 2003-11-13 |
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