EP0400442A2 - Pièce de contact pour appareil de commutation électrique - Google Patents

Pièce de contact pour appareil de commutation électrique Download PDF

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Publication number
EP0400442A2
EP0400442A2 EP90109603A EP90109603A EP0400442A2 EP 0400442 A2 EP0400442 A2 EP 0400442A2 EP 90109603 A EP90109603 A EP 90109603A EP 90109603 A EP90109603 A EP 90109603A EP 0400442 A2 EP0400442 A2 EP 0400442A2
Authority
EP
European Patent Office
Prior art keywords
contact
supply line
arc
leg
power supply
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.)
Withdrawn
Application number
EP90109603A
Other languages
German (de)
English (en)
Other versions
EP0400442A3 (fr
Inventor
Manfred Dipl.-Ing. Müller (FH)
Franz Dipl.-Ing. Graf (Fh)
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 EP0400442A2 publication Critical patent/EP0400442A2/fr
Publication of EP0400442A3 publication Critical patent/EP0400442A3/fr
Withdrawn legal-status Critical Current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

Definitions

  • the innovation relates to a contact piece for electrical switching devices, in particular contactors, with an approximately rectilinear power supply line and an arc guide plate which is partially guided around it at a distance from the contact pad and which is U-shaped in the power supply line and whose free end assuming the arc is approximately in the plane the contact support extends, the U-leg in the area of the contact support being offset parallel to the side of the contact support away from the contact point and the other U-leg serving to fasten the arc guide plate.
  • Such a contact piece is known for example from DE-OS 33 37 515.
  • the contact piece has proven itself quite well in practice. In the case of large contactors with considerable current strengths, however, it cannot be ruled out that the stair-shaped power supply line is mechanically deformed, so that contact can be affected.
  • the innovation is based on the task of improving the known contact piece in such a way that it can withstand large mechanical loads. This is achieved in a simple manner in that the power supply line is cuboid in shape and is provided on the side facing away from the contact pad with a groove into which a web provided for attachment at the end of the leg of the U opposite the arc can be inserted for fastening.
  • Rectangular contact pieces are known from US Pat. No. 3,211,867, but the arc guide plate is screwed onto the end face of the power supply line here.
  • the contact pad is practically in the same plane with the entire arc baffle, so that a particularly precise guide is required for the movable contact piece so that the contact pad of the movable contact piece does not come to rest on the arc baffle.
  • the supply line itself is also U-shaped, so that the contact piece can only be used for devices with low current carrying capacity; because the U-shaped supply line causes the switching bridge to be lifted at high currents (DE-OS 28 03 249).
  • the cuboid is screwed onto the power supply line, for example as a rail.
  • the web of the arc baffle and the cuboid are advantageously screwed together in the groove of the cuboid or the depth of the groove is less than the thickness of the web, so that the arc baffle is clamped on the rail by fastening the cuboid.
  • the web is provided offset in the U at the end of one leg relative to this leg.
  • the switching element shown in the drawing consists of the cuboid part 1 of the power supply line and the rail-shaped further power supply line 2.
  • a contact pad 3 is soldered onto the cuboid part 1 and cooperates with the switching bridge 4.
  • the free end 6 of the arc guide plate 5 lies approximately in the plane of the contact pad 3.
  • the end of the leg 7 opposite the free ends 6 has a web 8 which is inserted into a groove 9 of the cuboid part 1 and is fastened here, for example, by means of a screw 10 or is clamped, as shown in FIGS 2 to 4. According to the example according to FIGS.
  • the arc guide plate is made somewhat thicker and is then clamped to the rail by screwing the cuboid in place.
  • the cuboid 1 is screwed onto the rail-shaped part of the power supply line by means of a screw 11.
  • the free end 6 of the arc guide plate has an opening 12 for carrying out the tool.
  • the web 8 is - as can be seen from the drawing - set back with respect to the leg 7, so that the parts of the U lying laterally to the cuboid part of the power supply line can be made as far apart as possible between the legs.
  • the design according to the innovation ensures that bending of the stair-shaped supply line is also ruled out at high currents, without having to forego good arcing.

Landscapes

  • Arc-Extinguishing Devices That Are Switches (AREA)
EP19900109603 1989-06-02 1990-05-21 Pièce de contact pour appareil de commutation électrique Withdrawn EP0400442A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8906799U 1989-06-02
DE8906799U DE8906799U1 (de) 1989-06-02 1989-06-02 Schaltstück für elektrische Schaltgeräte

Publications (2)

Publication Number Publication Date
EP0400442A2 true EP0400442A2 (fr) 1990-12-05
EP0400442A3 EP0400442A3 (fr) 1991-10-16

Family

ID=6839770

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19900109603 Withdrawn EP0400442A3 (fr) 1989-06-02 1990-05-21 Pièce de contact pour appareil de commutation électrique

Country Status (4)

Country Link
US (1) US5075520A (fr)
EP (1) EP0400442A3 (fr)
JP (1) JPH0310446U (fr)
DE (1) DE8906799U1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2761194A1 (fr) * 1997-03-20 1998-09-25 Schneider Electric Sa Pole de coupure d'un appareil interrupteur electrique
WO2003092026A3 (fr) * 2002-04-26 2004-02-12 Siemens Ag Disjoncteur electrique comportant une barre de connexion et une corne a arc electrique
EP3557600A1 (fr) * 2018-04-19 2019-10-23 Schneider Electric Industries SAS Ensemble de contact fixe et contact de commutateur correspondant

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6384702B1 (en) * 1998-09-30 2002-05-07 Rockwell Automation Technologies, Inc. Stationary contact for an electrical contactor and method for conducting current through same
US6300586B1 (en) * 1999-12-09 2001-10-09 General Electric Company Arc runner retaining feature
US7716816B2 (en) * 2006-09-22 2010-05-18 Rockwell Automation Technologies, Inc. Method of manufacturing a switch assembly
US7551050B2 (en) * 2006-09-22 2009-06-23 Rockwell Automation Technologies, Inc. Contactor assembly with arc steering system
JP5986419B2 (ja) * 2012-04-13 2016-09-06 富士電機株式会社 接点装置及びこれを使用した電磁開閉器
WO2014098288A1 (fr) * 2012-12-21 2014-06-26 현대중공업 주식회사 Disjoncteur à air
US9824837B2 (en) 2014-01-24 2017-11-21 Yazaki Corporation Service plug

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2378344A1 (fr) * 1977-01-25 1978-08-18 Telemecanique Electrique Piece de soufflage
EP0079978A1 (fr) * 1981-11-21 1983-06-01 Sprecher & Schuh AG Pièce de contact pour interrupteur électrique, en particulier pour interrupteur de protection
GB2163293A (en) * 1984-08-15 1986-02-19 Mitsubishi Electric Corp Circuit-breaker arc control
DE3447537A1 (de) * 1983-10-14 1986-07-10 Siemens AG, 1000 Berlin und 8000 München Schaltstueck fuer elektrische schaltgeraete

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3211867A (en) * 1963-06-28 1965-10-12 Gen Electric Electric switching device having segmented non-welding contact assembly
DE3337515A1 (de) * 1983-10-14 1985-05-02 Siemens AG, 1000 Berlin und 8000 München Schaltstueck fuer elektrische schaltgeraete
KR900007273B1 (ko) * 1986-09-16 1990-10-06 미쓰비시전기 주식회사 회로 차단기

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2378344A1 (fr) * 1977-01-25 1978-08-18 Telemecanique Electrique Piece de soufflage
EP0079978A1 (fr) * 1981-11-21 1983-06-01 Sprecher & Schuh AG Pièce de contact pour interrupteur électrique, en particulier pour interrupteur de protection
DE3447537A1 (de) * 1983-10-14 1986-07-10 Siemens AG, 1000 Berlin und 8000 München Schaltstueck fuer elektrische schaltgeraete
GB2163293A (en) * 1984-08-15 1986-02-19 Mitsubishi Electric Corp Circuit-breaker arc control

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2761194A1 (fr) * 1997-03-20 1998-09-25 Schneider Electric Sa Pole de coupure d'un appareil interrupteur electrique
WO2003092026A3 (fr) * 2002-04-26 2004-02-12 Siemens Ag Disjoncteur electrique comportant une barre de connexion et une corne a arc electrique
US7067758B2 (en) 2002-04-26 2006-06-27 Siemens Aktiengesellschaft Electric power circuit breaker comprising a connecting bar and an arcing horn
CN100386831C (zh) * 2002-04-26 2008-05-07 西门子公司 具有一连接汇流排和一角形避雷器的电气断路器
EP3557600A1 (fr) * 2018-04-19 2019-10-23 Schneider Electric Industries SAS Ensemble de contact fixe et contact de commutateur correspondant
US11081296B2 (en) 2018-04-19 2021-08-03 Schneider Electric Industries Sas Stationary contact assembly and corresponding switch contact

Also Published As

Publication number Publication date
DE8906799U1 (de) 1990-09-27
EP0400442A3 (fr) 1991-10-16
US5075520A (en) 1991-12-24
JPH0310446U (fr) 1991-01-31

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