EP0358039B1 - Elektromagnetisches Schaltgerät - Google Patents

Elektromagnetisches Schaltgerät Download PDF

Info

Publication number
EP0358039B1
EP0358039B1 EP89115487A EP89115487A EP0358039B1 EP 0358039 B1 EP0358039 B1 EP 0358039B1 EP 89115487 A EP89115487 A EP 89115487A EP 89115487 A EP89115487 A EP 89115487A EP 0358039 B1 EP0358039 B1 EP 0358039B1
Authority
EP
European Patent Office
Prior art keywords
plate spring
magnet armature
leaf spring
switching device
formations
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
EP89115487A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0358039A2 (de
EP0358039A3 (de
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
Siemens Corp
Original Assignee
Siemens AG
Siemens Corp
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, Siemens Corp filed Critical Siemens AG
Publication of EP0358039A2 publication Critical patent/EP0358039A2/de
Publication of EP0358039A3 publication Critical patent/EP0358039A3/de
Application granted granted Critical
Publication of EP0358039B1 publication Critical patent/EP0358039B1/de
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
    • H01H50/00—Details of electromagnetic relays
    • H01H50/64—Driving arrangements between movable part of magnetic circuit and contact
    • H01H50/645—Driving arrangements between movable part of magnetic circuit and contact intermediate part making a resilient or flexible connection
    • H01H50/646—Driving arrangements between movable part of magnetic circuit and contact intermediate part making a resilient or flexible connection intermediate part being a blade spring

Definitions

  • the invention relates to an electromagnetic switching device with a device for connecting the magnet armature to its contact carrier, wherein the magnet armature is penetrated in the region of the side facing away from the pole faces by a leaf spring, the ends of which protrude from the magnet armature engage in opposing grooves on the contact carrier.
  • the range of motion of the armature is limited by a crossbeam located below the leaf spring, ie the leaf spring can only be brought into the extended position. If the crossbeam is removed from such a device, the leaf spring can bend further, but it experiences a change in the support points when the leaf spring rests on the edges of the passage, so that the spring characteristic of the leaf spring changes suddenly.
  • the invention is therefore based on the object of creating a switching device of the type mentioned above, in which the spring characteristic is retained with the greatest possible travel of the magnet armature.
  • the leaf spring is provided on its central part lying in the penetration area with a protrusion which extends in the form of a roller in the counter-spring direction of the magnet armature and which extends with the roller longitudinal axis transverse to the leaf spring longitudinal axis.
  • the ends of the leaf spring engaging in the grooves on the side of the leaf spring opposite the first cylindrical shape have further, parallel to the first, have cylindrical shapes.
  • the leaf spring is provided with an extension 11 which, as shown in FIG. 2, is equipped with a slot 12.
  • Claw-shaped projections 14 are present on the arms 13 formed by the slot 12, which hook on the walls of a corresponding recess 15 in the contact carrier after insertion.
  • the leaf spring does not come into contact in its extended position on the wall 9, so that there is no change in the spring support points. It does not come to rest immediately in the extended position on the edges of the lower walls of the grooves 6, which would also cause a change in the support points of the leaf spring, but it can be relatively far beyond the extended position of the leaf spring, depending on the design of the formations bend, which allows a relatively long path of the armature 2.
  • the lower walls of the grooves 6, as shown in FIG. 1, are set back as far as possible or omitted from the magnet armature 2 in the direction of the formations 10.
  • the leaf spring can be made correspondingly stiff, so that such a deflection only takes place if the contact carrier, for example in the case of welded contacts, is retained.
  • the formations need not necessarily be cylindrical. A substantially identical effect is also achieved with prisms or dome-shaped shapes.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electromagnets (AREA)
  • Dc Machiner (AREA)
  • Push-Button Switches (AREA)
  • Vehicle Body Suspensions (AREA)
  • Electronic Switches (AREA)
  • Burglar Alarm Systems (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)
  • Contacts (AREA)
EP89115487A 1988-09-05 1989-08-22 Elektromagnetisches Schaltgerät Expired - Lifetime EP0358039B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8811205U 1988-09-05
DE8811205U DE8811205U1 (de) 1988-09-05 1988-09-05 Elektromagnetisches Schaltgerät

Publications (3)

Publication Number Publication Date
EP0358039A2 EP0358039A2 (de) 1990-03-14
EP0358039A3 EP0358039A3 (de) 1991-11-06
EP0358039B1 true EP0358039B1 (de) 1994-11-09

Family

ID=6827577

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89115487A Expired - Lifetime EP0358039B1 (de) 1988-09-05 1989-08-22 Elektromagnetisches Schaltgerät

Country Status (6)

Country Link
US (1) US4918414A (enrdf_load_stackoverflow)
EP (1) EP0358039B1 (enrdf_load_stackoverflow)
JP (1) JP2509063Y2 (enrdf_load_stackoverflow)
AT (1) ATE114076T1 (enrdf_load_stackoverflow)
CA (1) CA1330815C (enrdf_load_stackoverflow)
DE (2) DE8811205U1 (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4244444A1 (de) * 1992-12-23 1994-07-07 Mannesmann Ag Elektromagnetventil
DE4244443C2 (de) * 1992-12-23 1998-11-26 Mannesmann Ag Elektromagnetantrieb

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1709571A (en) * 1925-11-03 1929-04-16 Western Electric Co Electromechanical translating device
FR778326A (fr) * 1933-12-02 1935-03-14 Forges Ateliers Const Electr Perfectionnements aux contacteurs électromagnétiques
CH311952A (de) * 1953-04-15 1955-12-15 Ag Saia Einrichtung zur Betätigung von Kontakten.
US2924685A (en) * 1957-09-26 1960-02-09 Gen Electric Magnetic switch
DE1244919B (de) * 1963-04-11 1967-07-20 Licentia Gmbh Anordnung zur Halterung des Kernes eines Schaltmagneten
DE1276784B (de) * 1964-02-10 1968-09-05 Teizo Fujita Elektrisches Schuetz mit einer durch UEberstrom ausloesbaren Kupplung zwischen Anker und Kontaktbrueckentraeger
DE2142464C3 (de) * 1971-08-25 1974-11-28 Siemens Ag, 1000 Berlin Und 8000 Muenchen Anordnung zur gelenkigen Verbindung des Ankers eines elektromagnetischen Schaltgerätes mit dem Kontaktbrückenträger
DE2162103A1 (de) * 1971-12-15 1973-06-20 Siemens Ag Anordnung zum verbinden eines kontaktbrueckentraegers mit dem beweglichen magnetteil eines schaltmagneten
DE2307283A1 (de) * 1973-02-14 1974-08-22 Siemens Ag Elektromagnetisches klappankerrelais
DE7402795U (de) * 1974-01-28 1974-04-25 Bbc Ag Elektromagnetisches Schütz
JPS50148572U (enrdf_load_stackoverflow) * 1974-07-08 1975-12-10
DE8431938U1 (de) * 1984-10-31 1985-01-31 Brown, Boveri & Cie Ag, 6800 Mannheim Vorrichtung zur Verbindung eines Magnetankers eines elektromagnetischen Schützes mit dem Kontaktträger
JPH026064Y2 (enrdf_load_stackoverflow) * 1985-08-28 1990-02-14

Also Published As

Publication number Publication date
ATE114076T1 (de) 1994-11-15
US4918414A (en) 1990-04-17
DE58908623D1 (de) 1994-12-15
EP0358039A2 (de) 1990-03-14
EP0358039A3 (de) 1991-11-06
DE8811205U1 (de) 1988-10-27
JP2509063Y2 (ja) 1996-08-28
JPH0246347U (enrdf_load_stackoverflow) 1990-03-29
CA1330815C (en) 1994-07-19

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