EP0358050B1 - Appareil de commutation électromagnétique - Google Patents

Appareil de commutation électromagnétique Download PDF

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Publication number
EP0358050B1
EP0358050B1 EP89115582A EP89115582A EP0358050B1 EP 0358050 B1 EP0358050 B1 EP 0358050B1 EP 89115582 A EP89115582 A EP 89115582A EP 89115582 A EP89115582 A EP 89115582A EP 0358050 B1 EP0358050 B1 EP 0358050B1
Authority
EP
European Patent Office
Prior art keywords
contact
armature
yoke
magnet system
normally
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
EP89115582A
Other languages
German (de)
English (en)
Other versions
EP0358050A3 (fr
EP0358050A2 (fr
Inventor
Georg Streich
Günter Gnahn
Kurt Held
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 EP0358050A2 publication Critical patent/EP0358050A2/fr
Publication of EP0358050A3 publication Critical patent/EP0358050A3/fr
Application granted granted Critical
Publication of EP0358050B1 publication Critical patent/EP0358050B1/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
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/001—Means for preventing or breaking contact-welding
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/54—Contact arrangements
    • H01H50/541—Auxiliary contact devices
    • H01H50/545—Self-contained, easily replaceable microswitches
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/64—Driving arrangements between movable part of magnetic circuit and contact

Definitions

  • the invention relates to an electromagnetic switching device with movable contact parts, which are held in a movable contact carrier and form opener and closer contacts with fixed contact parts, the contact carrier being elastically connected to the armature such that when the normally closed contact is welded, the movable magnetic part continues to move without actuation of the normally open contact is possible and in addition the yoke can accommodate until the magnet system closes.
  • a simple coordination of the parts with one another can be achieved if the elastic mounting of the yoke takes place via helical compression springs that are supported on a bolt that penetrates the yoke.
  • the helical compression springs bear on their ends facing away from the bolt on the coil body, which in turn is supported on the switchgear housing.
  • the electromagnetic switching device shown in the drawing consists of the housing 1 indicated in principle, in which the contact carrier 2, in which the moving contact parts 3, which are designed as contact bridges 3, and the movable contact parts 3, which form the normally open contacts, and the contact bridges 4, which form the make contacts, are held displaceably.
  • the contact pressure springs are designated 5.
  • the armature 6 is elastically connected via a leaf spring 7.
  • the leaf spring 7 is guided on the one hand in slots 8 of the contact carrier and on the other hand in an opening 9 of the armature 6.
  • the leaf spring is curved so that a relative movement between the contact carrier 2 and armature 6 is possible.
  • the yoke 10 of the magnet system is penetrated by a bolt 11 in an opening 12 on which helical compression springs 13 are supported, which on the other hand rest on the coil body 14, which - as can be seen from the drawing - is also supported on the housing 1.
  • the armature 6 moves from the position shown in FIG. 1 into the position shown in FIG. 2; the contact bridges 3 are separated from the fixed contact parts, not shown, and the contact bridge 4 comes into contact with further fixed contact parts as a make contact.
  • the springs 5 of the contact bridges 3 relax and the springs 5 of the contact bridges 4 are compressed.
  • the contact carrier 2 moves into the position shown in FIG. 3.
  • the contact bridge 3 comes into engagement with the edge 16 of the window in the contact carrier 2, so that its further movement is prevented.
  • the leaf spring 7 is pushed through in this state.
  • the yoke 10 also moves toward the armature 6 against the force of the springs 13, so that the magnet system closes, as shown in FIG.

Landscapes

  • Contacts (AREA)
  • Electromagnets (AREA)
  • Mechanisms For Operating Contacts (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
  • Adhesives Or Adhesive Processes (AREA)

Claims (4)

  1. Appareil de coupure électromagnétique comportant un système magnétique présentant une armature (6), et comportant des pièces de contact mobiles (3,4), qui sont montées dans un porte-contacts mobile (2) et forment, avec les pièces de contact fixes, des contacts d'ouverture et de fermeture, le porte-contacts (2) étant relié électriquement à l'armature (6) de telle sorte que, lorsque le contact d'ouverture colle, une poursuite du déplacement de l'armature (6) est possible sans actionnement du contact de fermeture, caractérisé par le fait que le système magnétique comporte une culasse (6), qui est suspendue élastiquement dans la direction de fermeture du système magnétique, et que cette suspension élastique (11,13), la liaison électrique (7) entre l'armature (6) et le porte-contacts (2) et l'élasticité entre les pièces de contact mobiles (3,4) sont accordées entre elles de telle sorte que, lorsque le contact d'ouverture est collé et que le système magnétique est fermé, les trajets des courses élastiques de l'armature (6) et de la culasse (10) sont approximativement identiques.
  2. Appareil de coupure suivant la revendication 1, caractérisé par le fait qu'il est prévu un ressort à lame (7) pour la liaison élastique entre l'armature (6) et le porte-contacts en forme de pont (2).
  3. Appareil de coupure suivant la revendication 1 ou 2, caractérisé par le fait que la suspension élastique de la culasse (6) est réalisée au moyen de ressorts hélicoïdaux de pression (13) qui prennent appui sur un verrou (11) traversant la culasse (10).
  4. Appareil de coupure suivant la revendication 3, caractérisé par le fait que les ressorts hélicoïdaux de pression (13) s'appliquent par leurs extrémités tournées à l'opposé du verrou (11), contre le corps de bobine (14), qui prend appui, pour sa part, sur le boîtier (1) de l'appareil de coupure.
EP89115582A 1988-09-05 1989-08-23 Appareil de commutation électromagnétique Expired - Lifetime EP0358050B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8811206U 1988-09-05
DE8811206U DE8811206U1 (de) 1988-09-05 1988-09-05 Elektromagnetisches Schaltgerät

Publications (3)

Publication Number Publication Date
EP0358050A2 EP0358050A2 (fr) 1990-03-14
EP0358050A3 EP0358050A3 (fr) 1991-07-17
EP0358050B1 true EP0358050B1 (fr) 1994-12-28

Family

ID=6827578

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89115582A Expired - Lifetime EP0358050B1 (fr) 1988-09-05 1989-08-23 Appareil de commutation électromagnétique

Country Status (6)

Country Link
US (1) US4988964A (fr)
EP (1) EP0358050B1 (fr)
JP (1) JP2513312Y2 (fr)
AT (1) ATE116476T1 (fr)
CA (1) CA1332068C (fr)
DE (2) DE8811206U1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19648053C1 (de) * 1996-11-20 1998-03-12 Siemens Ag Elektromagnetisches Schaltgerät

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU664556B2 (en) * 1991-07-26 1995-11-23 Eaton Corporation Contactor floating magnet
DE29604046U1 (de) * 1996-03-05 1996-05-02 Klöckner-Moeller GmbH, 53115 Bonn Eletromagnetisches Schaltgerät mit Zwangsführung
DE102004053791A1 (de) * 2004-11-08 2006-05-24 Siemens Ag Elektromagnetisches Schaltgerät
CN103996580B (zh) * 2014-04-11 2016-05-11 江苏中金智能电气科技有限公司 一种改良的动触头支撑机构
WO2015177962A1 (fr) * 2014-05-20 2015-11-26 富士電機機器制御株式会社 Contacteur électromagnétique

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE974278C (de) * 1951-11-22 1960-11-17 Siemens Ag Elektromagnetisch betaetigtes Schaltgeraet, insbesondere Schuetz
DE1151302B (de) * 1958-12-31 1963-07-11 Continental Elektro Ind Ag Elektromagnetisches Schuetz mit zwei gegenlaeufig bewegten Ankern
DE1183165B (de) * 1959-12-28 1964-12-10 Kloeckner Moeller Elektrizit Elektromagnetisch betaetigtes Schaltgeraet, insbesondere Schuetz mit Wechselstrommagnet und Mitteln zur Beeinflussung der Einschalt-Ansprechspannung durch Veraenderung des Magnethubes
US3060355A (en) * 1960-05-20 1962-10-23 Westinghouse Electric Corp Relay magnet suspension
DE1240166B (de) * 1963-08-02 1967-05-11 Licentia Gmbh Elektromagnetisches Schaltgeraet, insbesondere Schaltschuetz
US3409851A (en) * 1966-11-03 1968-11-05 Ward Leonard Electric Co Multipole electromagnetic contactor
FR2257141B1 (fr) * 1974-01-03 1978-03-10 Telemecanique Electrique
DE7402795U (de) * 1974-01-28 1974-04-25 Bbc Ag Elektromagnetisches Schütz
DE2552461A1 (de) * 1975-11-22 1977-05-26 Bbc Brown Boveri & Cie Elektrisches schaltschuetz
JPS6238294Y2 (fr) * 1980-09-01 1987-09-30
US4378542A (en) * 1981-10-30 1983-03-29 Amf Inc. Electromagnetic contactor
US4521758A (en) * 1983-08-29 1985-06-04 Clum Mfg. Co. Inc. Electric solenoid structure
DE3540460A1 (de) * 1985-11-14 1987-05-21 Siemens Ag Elektromagnetisches schaltgeraet

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19648053C1 (de) * 1996-11-20 1998-03-12 Siemens Ag Elektromagnetisches Schaltgerät

Also Published As

Publication number Publication date
ATE116476T1 (de) 1995-01-15
US4988964A (en) 1991-01-29
JPH0250935U (fr) 1990-04-10
EP0358050A3 (fr) 1991-07-17
CA1332068C (fr) 1994-09-20
JP2513312Y2 (ja) 1996-10-02
DE8811206U1 (de) 1988-10-27
DE58908827D1 (de) 1995-02-09
EP0358050A2 (fr) 1990-03-14

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