EP0140173A1 - Pièce de commutation pour appareillage de commutation électrique - Google Patents

Pièce de commutation pour appareillage de commutation électrique Download PDF

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Publication number
EP0140173A1
EP0140173A1 EP84111562A EP84111562A EP0140173A1 EP 0140173 A1 EP0140173 A1 EP 0140173A1 EP 84111562 A EP84111562 A EP 84111562A EP 84111562 A EP84111562 A EP 84111562A EP 0140173 A1 EP0140173 A1 EP 0140173A1
Authority
EP
European Patent Office
Prior art keywords
contact
power supply
guide plate
supply line
arc guide
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
EP84111562A
Other languages
German (de)
English (en)
Other versions
EP0140173B1 (fr
Inventor
Manfred Dipl.-Ing. Müller
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
Priority to AT84111562T priority Critical patent/ATE31841T1/de
Publication of EP0140173A1 publication Critical patent/EP0140173A1/fr
Application granted granted Critical
Publication of EP0140173B1 publication Critical patent/EP0140173B1/fr
Expired 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
    • H01H9/44—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet
    • H01H9/446—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet using magnetisable elements associated with the contacts
    • 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 invention relates to a switching piece for electrical switching devices, in particular contactors, with an approximately rectilinear power supply line and an arc guide plate guided at a distance from the contact pad, which forms a U with the power supply cord and the free end of which takes over the arc and runs approximately in the plane of the contact pad.
  • the arc baffle is screwed onto the end face of the relatively strong power supply line.
  • An intermediate insulating layer is arranged between the arc guide plate and the power supply line, so that the power supply line and arc guide plate act like a U on the drive of the arc. Since the distance between the two U-legs is relatively small here, the drive effect for the arc is not particularly large.
  • 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 invention is therefore based on the object of improving a contact piece of the type mentioned above in such a way that it is simple to manufacture, assemble and are suitable for operation with contact pieces which can be produced without particularly close tolerances for guiding the contact piece.
  • This is achieved in a simple manner in that the arc guide plate has a U-shape in itself and the U-leg is offset in parallel in the region of the contact support away from the contact point and the other U-leg on the side of the free end of the stairway facing the contact point remote power supply line penetrated by the fastening screw.
  • the setting of the required air gap between the contact pad and the power supply line and the arc baffle can be achieved in a simple manner if slugs are formed on the arc baffle facing the power supply line.
  • the arc guide plate can be inserted in a simple manner after the mounting screw has been inserted through the mounting hole in the power supply line.
  • the slugs are pressed against the power supply line, so that the power supply line and arc baffle together with the fastening screw form a complete unit.
  • the switching element consists of the step-shaped curved power supply line 1 with the contact pad 2, which cooperates with the contact pad 3 of the switching bridge 4, as well as the U-shaped arc guide plate 5 and the fastening screw 6.
  • the arc guide plate is included Provide an outbreak 7 into which a part of the power supply line 1 projects, namely between the power supply line 1 and the edge parts 8 of the arc guide plate around the contact pad 2, an air gap 9, so that the arc guide plate is initially only electrically conductive via the fastening screw 6 with the power supply line 1 connected is.
  • the step-shaped power supply line 1 has the advantage that the current carrying capacity of the contact arrangement is not adversely affected by a U-shaped supply line.
  • the U-shaped configuration is available for the arc running, ie there is a switchable current loop for the arc running.
  • the slugs 11 bridging the air gap slightly change the function practically nothing. However, they are used for pre-assembly of the contact.
  • the fastening screw 6 is inserted into the fastening hole in the power supply line 1.
  • the arc baffle is inserted between the fastening screw and the power supply line.
  • the slugs are then pressed against the power supply line 1 by pressing the edge parts 8 in the direction of the arrows 13, so that the preassembled unit results.
  • the free end 14 of the arc guide plate 5 lies approximately in the plane of the contact pad 2.
  • the part 15 of the leg (17) is offset parallel to it, pointing away from the contact point.
  • the contact bridge 4 can also be placed at an angle without coming into contact with the edge parts 8 of the arc guide plate (5).
  • the opening of the U is so large that sufficient arcing is ensured without the current carrying capacity of the contact piece being adversely affected.
  • the fastening screw 6 cannot be lost after the pressing, since the screw head is larger than the opening 16 for the screwdriver.

Landscapes

  • Arc-Extinguishing Devices That Are Switches (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Breakers (AREA)
  • Adornments (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)
  • Contacts (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Keying Circuit Devices (AREA)
  • Push-Button Switches (AREA)
  • Relay Circuits (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Brushes (AREA)
EP84111562A 1983-10-14 1984-09-27 Pièce de commutation pour appareillage de commutation électrique Expired EP0140173B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84111562T ATE31841T1 (de) 1983-10-14 1984-09-27 Schaltstueck fuer elektrische schaltgeraete.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3337515 1983-10-14
DE19833337515 DE3337515A1 (de) 1983-10-14 1983-10-14 Schaltstueck fuer elektrische schaltgeraete

Publications (2)

Publication Number Publication Date
EP0140173A1 true EP0140173A1 (fr) 1985-05-08
EP0140173B1 EP0140173B1 (fr) 1988-01-07

Family

ID=6211908

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84111562A Expired EP0140173B1 (fr) 1983-10-14 1984-09-27 Pièce de commutation pour appareillage de commutation électrique

Country Status (10)

Country Link
US (1) US4618748A (fr)
EP (1) EP0140173B1 (fr)
JP (1) JPS60100330A (fr)
AT (1) ATE31841T1 (fr)
BR (1) BR8405100A (fr)
DE (2) DE3337515A1 (fr)
DK (1) DK158424C (fr)
ES (1) ES281940Y (fr)
FI (1) FI80359C (fr)
IN (1) IN161308B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0210727A1 (fr) * 1985-06-17 1987-02-04 Eaton Corporation Contacteur électrique à courants forts à double rupture
FR2713391A1 (fr) * 1993-12-06 1995-06-09 Telemecanique Dispositif de rupture de courant d'appareil interrupteur notamment pour contacteur ou contacteur-disjoncteur.

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3447537A1 (de) * 1983-10-14 1986-07-10 Siemens AG, 1000 Berlin und 8000 München Schaltstueck fuer elektrische schaltgeraete
JPH0724172B2 (ja) * 1986-06-10 1995-03-15 三菱電機株式会社 接 点
IT208625Z2 (it) * 1986-12-11 1988-05-28 Sace Spa Contatto fisso per interruttori di bassa tensione.
DE8906799U1 (de) * 1989-06-02 1990-09-27 Siemens AG, 1000 Berlin und 8000 München Schaltstück für elektrische Schaltgeräte
CH678989A5 (fr) * 1989-10-04 1991-11-29 Sprecher & Schuh Ag
FR2696273B1 (fr) * 1992-09-25 1994-11-18 Telemecanique Disjoncteur électrique à soufflage magnétique.
DE19814410C2 (de) * 1998-03-31 2000-03-23 Moeller Gmbh Anordnung zur Festkontaktbefestigung für elektrische Schaltgeräte
US7551050B2 (en) * 2006-09-22 2009-06-23 Rockwell Automation Technologies, Inc. Contactor assembly with arc steering system
US7716816B2 (en) * 2006-09-22 2010-05-18 Rockwell Automation Technologies, Inc. Method of manufacturing a switch assembly
US7633399B2 (en) 2007-02-27 2009-12-15 Eaton Corporation Configurable arc fault or ground fault circuit interrupter and method
EP2573784B1 (fr) 2011-09-21 2016-08-03 Siemens Aktiengesellschaft Commutateur de puissance doté d'une stabilisation de boîtier optimisée par des pièces d'établissement de contacts fixes à effet de serrage
JP2015109246A (ja) * 2013-12-05 2015-06-11 日本電産サンキョー株式会社 スイッチ部材およびスイッチ装置

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2639354A (en) * 1950-10-07 1953-05-19 Gen Electric Electric circuit breaker
US3118036A (en) * 1962-07-12 1964-01-14 Gen Electric Circuit breaker contact and arc extinguishing means
FR1366120A (fr) * 1963-05-28 1964-07-10 App S Thermoflex Etablissement Dispositif de soufflage magnétique de l'arc de coupure d'un interrupteur électrique
FR1399516A (fr) * 1963-06-28 1965-05-14 Thomson Houston Comp Francaise Perfectionnements à des interrupteurs électriques
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
DE3302884A1 (de) * 1982-01-28 1983-08-04 Mitsubishi Denki K.K., Tokyo Elektrischer leistungsschalter

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE534764A (fr) * 1954-02-04 Merlin Gerin
JPS5814441A (ja) * 1981-07-17 1983-01-27 三菱電機株式会社 回路しや断器
JPS5825031A (ja) * 1981-08-06 1983-02-15 三菱電機株式会社 回路しや断器

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2639354A (en) * 1950-10-07 1953-05-19 Gen Electric Electric circuit breaker
US3118036A (en) * 1962-07-12 1964-01-14 Gen Electric Circuit breaker contact and arc extinguishing means
FR1366120A (fr) * 1963-05-28 1964-07-10 App S Thermoflex Etablissement Dispositif de soufflage magnétique de l'arc de coupure d'un interrupteur électrique
FR1399516A (fr) * 1963-06-28 1965-05-14 Thomson Houston Comp Francaise Perfectionnements à des interrupteurs électriques
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
DE3302884A1 (de) * 1982-01-28 1983-08-04 Mitsubishi Denki K.K., Tokyo Elektrischer leistungsschalter

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0210727A1 (fr) * 1985-06-17 1987-02-04 Eaton Corporation Contacteur électrique à courants forts à double rupture
FR2713391A1 (fr) * 1993-12-06 1995-06-09 Telemecanique Dispositif de rupture de courant d'appareil interrupteur notamment pour contacteur ou contacteur-disjoncteur.
EP0657907A1 (fr) * 1993-12-06 1995-06-14 Schneider Electric Sa Dispositif de rupture de courant d'appareil interrupteur notamment pour contacteur ou contacteur-disjoncteur

Also Published As

Publication number Publication date
ATE31841T1 (de) 1988-01-15
ES281940U (es) 1985-04-01
DK488384D0 (da) 1984-10-12
DK158424C (da) 1990-10-22
ES281940Y (es) 1986-09-01
US4618748A (en) 1986-10-21
DE3337515A1 (de) 1985-05-02
DE3468581D1 (en) 1988-02-11
EP0140173B1 (fr) 1988-01-07
JPH0228214B2 (fr) 1990-06-22
JPS60100330A (ja) 1985-06-04
FI843295A0 (fi) 1984-08-21
FI843295A (fi) 1985-04-15
FI80359C (fi) 1990-05-10
DK488384A (da) 1985-04-15
BR8405100A (pt) 1985-08-27
DK158424B (da) 1990-05-14
FI80359B (fi) 1990-01-31
IN161308B (fr) 1987-11-07

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