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EP1575075A3 - Contact unit for electromagnetic relays - Google Patents

Contact unit for electromagnetic relays Download PDF

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Publication number
EP1575075A3
EP1575075A3 EP05012458A EP05012458A EP1575075A3 EP 1575075 A3 EP1575075 A3 EP 1575075A3 EP 05012458 A EP05012458 A EP 05012458A EP 05012458 A EP05012458 A EP 05012458A EP 1575075 A3 EP1575075 A3 EP 1575075A3
Authority
EP
European Patent Office
Prior art keywords
contact
fixed
spring
pieces
contact unit
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
EP05012458A
Other languages
German (de)
French (fr)
Other versions
EP1575075B1 (en
EP1575075A2 (en
Inventor
Johannes Oberndorfer
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.)
Panasonic Industry Europe GmbH
Original Assignee
Panasonic Electric Works Europe 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 Panasonic Electric Works Europe AG filed Critical Panasonic Electric Works Europe AG
Priority to SI9931047T priority Critical patent/SI1575075T1/en
Publication of EP1575075A2 publication Critical patent/EP1575075A2/en
Publication of EP1575075A3 publication Critical patent/EP1575075A3/en
Application granted granted Critical
Publication of EP1575075B1 publication Critical patent/EP1575075B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/54—Contact arrangements
    • H01H50/548—Contact arrangements for miniaturised relays
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
    • H01H1/20—Bridging contacts
    • H01H1/2075—T-shaped bridge; bridging contact has lateral arm for mounting resiliently or on a pivot
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
    • H01H1/20—Bridging contacts
    • H01H1/2083—Bridging contact surfaces directed at an oblique angle with respect to the movement of the bridge
    • 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
    • H01H9/38—Auxiliary contacts on to which the arc is transferred from the main contacts

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Relay Circuits (AREA)
  • Contacts (AREA)
  • Switch Cases, Indication, And Locking (AREA)

Abstract

Zur Erhöhung der Zuverlässigkeit der Kontaktgabe bei Sicherheitsrelais ist eine Kontaktfeder (10) mit zwei Kontaktstücken (15, 16) versehen, die am freien Ende der Kontaktfeder (10) quer zu deren Längsachse angeordnet sind und mit einem an einem Festkontakt (12) angeordneten gemeinsamen Kontaktstück (27) zusammenarbeiten. Die Kontaktfeder (10) ist in einem Bereich zwischen ihrem festen Ende und den Kontaktstücken (15, 16) nicht nur biegsam sondern auch um ihre Längsachse ausreichend torsionsfähig, um zu gewährleisten, daß beide Kontaktpaare schließen. Durch Schrägstellung des die Kontaktstücke (15, 16) tragenden freien Endes der Kontaktfeder (10) gegenüber dem Festkontakt (12) wird ein weiches, prellarmes Schließen der Kontakte und gleichzeitig die Funktion eines Vor- und eines Hauptkontaktes erreicht.

Figure imgaf001
To increase the reliability of the contact in safety relays, a contact spring ( 10 ) with two contact pieces ( 15, 16 ) is provided, which are arranged at the free end of the contact spring ( 10 ) transversely to the longitudinal axis and with a on a fixed contact ( 12 ) arranged common Work together contact piece ( 27 ). The contact spring ( 10 ) is not only flexible in a range between its fixed end and the contact pieces ( 15, 16 ) but also sufficiently torsional about its longitudinal axis to ensure that close both pairs of contacts. By tilting of the contact pieces ( 15, 16 ) supporting the free end of the contact spring ( 10 ) relative to the fixed contact ( 12 ), a soft, bounce-poor closing of the contacts and at the same time the function of a pre and a main contact is achieved.
Figure imgaf001
EP05012458A 1998-12-18 1999-12-01 Contact unit for electromagnetic relays Expired - Lifetime EP1575075B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI9931047T SI1575075T1 (en) 1998-12-18 1999-12-01 Contact unit for electromagnetic relays

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19858755 1998-12-18
DE19858755A DE19858755C1 (en) 1998-12-18 1998-12-18 Contact unit, for an electromagnetic safety relay, comprises an undivided contact spring with a flexible torsion region between its fixed end and its contact points
EP99123867A EP1011122B8 (en) 1998-12-18 1999-12-01 Contact unit for electromagnetic relays

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP99123867A Division EP1011122B8 (en) 1998-12-18 1999-12-01 Contact unit for electromagnetic relays
EP99123867.6 Division 1999-12-01

Publications (3)

Publication Number Publication Date
EP1575075A2 EP1575075A2 (en) 2005-09-14
EP1575075A3 true EP1575075A3 (en) 2008-09-10
EP1575075B1 EP1575075B1 (en) 2010-07-28

Family

ID=7891762

Family Applications (2)

Application Number Title Priority Date Filing Date
EP99123867A Expired - Lifetime EP1011122B8 (en) 1998-12-18 1999-12-01 Contact unit for electromagnetic relays
EP05012458A Expired - Lifetime EP1575075B1 (en) 1998-12-18 1999-12-01 Contact unit for electromagnetic relays

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP99123867A Expired - Lifetime EP1011122B8 (en) 1998-12-18 1999-12-01 Contact unit for electromagnetic relays

Country Status (9)

Country Link
US (2) US6300854B1 (en)
EP (2) EP1011122B8 (en)
JP (1) JP4265057B2 (en)
AT (2) ATE475982T1 (en)
DE (3) DE19858755C1 (en)
DK (1) DK1011122T3 (en)
ES (2) ES2242347T3 (en)
PT (2) PT1011122E (en)
SI (2) SI1011122T1 (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6837729B2 (en) * 2002-09-10 2005-01-04 Tyco Electronics Corporation High power electrical contactor with improved bridge contact mechanism
JP2006294459A (en) 2005-04-12 2006-10-26 Nec Tokin Corp Electromagnetic relay
DE102007034989B3 (en) * 2007-07-26 2009-03-12 Schaltbau Gmbh microswitch
US7859372B2 (en) * 2007-10-24 2010-12-28 Tyco Electronics Corporation Methods and apparatus for reducing bounce between relay contacts
US9160333B2 (en) * 2011-05-06 2015-10-13 Purdue Research Foundation Capacitive microelectromechanical switches with dynamic soft-landing
EP2620966A1 (en) * 2012-01-27 2013-07-31 Johnson Electric S.A. Contact arrangement for high-power electrical switching devices
DE102012017157A1 (en) 2012-08-30 2014-03-06 Hengstler Gmbh Relay with modified force-displacement characteristic
WO2014069907A1 (en) 2012-11-05 2014-05-08 주식회사 대동 High load switch for vehicle
FR3007186B1 (en) 2013-06-12 2016-09-09 Stmicroelectronics Rousset COMPACT MEMORY DEVICE ASSOCIATING A MEMORY PLAN OF THE SRAM TYPE AND A MEMORY PLAN OF THE NON-VOLATILE TYPE, AND METHODS OF OPERATION
JP6393025B2 (en) * 2013-07-01 2018-09-19 富士通コンポーネント株式会社 Electromagnetic relay
JP2015153564A (en) * 2014-02-13 2015-08-24 Ｎｅｃトーキン株式会社 electromagnetic relay
FR3018944A1 (en) 2014-03-21 2015-09-25 St Microelectronics Rousset MEMORY DEVICE ASSOCIATING A MEMORY PLAN OF THE SRAM TYPE AND A NON-VOLATILE TYPE MEMORY PLAN CURED AGAINST ACCIDENTAL TILT
JP6609096B2 (en) * 2014-08-07 2019-11-20 株式会社デンソー Electromagnetic switch
US12080499B2 (en) * 2022-01-07 2024-09-03 TE Connectivity Solutions GmbH-CH Contactor with movable contact

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2665352A (en) * 1948-04-10 1954-01-05 Itt Contact-spring switch assembly
DE757518C (en) * 1938-12-10 1954-02-01 Mix & Genest A G Process for generating the required preload for bent contact springs
US2853578A (en) * 1955-10-31 1958-09-23 Telephone Mfg Co Ltd Electric contact-making devices
DE1175807B (en) * 1959-04-10 1964-08-13 Schaltbau Gmbh Electrical twin contact arrangement with chronologically consecutive contact pairs
DE3238183A1 (en) * 1982-10-15 1983-05-19 Alois Zettler Elektrotechnische Fabrik GmbH, 8000 München Electromagnetic relay
EP0081164A1 (en) * 1981-11-30 1983-06-15 Siemens Aktiengesellschaft Electromagnetic relay
DE3224468A1 (en) * 1982-06-30 1984-01-05 Siemens AG, 1000 Berlin und 8000 München RELAY WITH BRIDGE CONTACT SPRING
EP0443075A1 (en) * 1990-01-19 1991-08-28 BREMAS S.p.A. Tappet, in particular for cooperating with camshafts in electrical switches

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE972072C (en) * 1952-07-27 1959-05-21 Siemens Ag Contact spring set for electrical switchgear, especially for telecommunications relays
DE3224013A1 (en) * 1981-08-14 1983-12-29 Siemens AG, 1000 Berlin und 8000 München Electromagnetic relay
DE9015406U1 (en) 1990-11-09 1992-03-05 Siemens AG, 8000 München Electromagnetic relay with contact spring attached to the armature
DE9404775U1 (en) * 1994-03-22 1994-06-09 W. Gruner Gmbh Relaisfabrik, 78564 Wehingen Contact system with tungsten flow contact for switching relays for high inrush current peaks

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE757518C (en) * 1938-12-10 1954-02-01 Mix & Genest A G Process for generating the required preload for bent contact springs
US2665352A (en) * 1948-04-10 1954-01-05 Itt Contact-spring switch assembly
US2853578A (en) * 1955-10-31 1958-09-23 Telephone Mfg Co Ltd Electric contact-making devices
DE1175807B (en) * 1959-04-10 1964-08-13 Schaltbau Gmbh Electrical twin contact arrangement with chronologically consecutive contact pairs
EP0081164A1 (en) * 1981-11-30 1983-06-15 Siemens Aktiengesellschaft Electromagnetic relay
DE3224468A1 (en) * 1982-06-30 1984-01-05 Siemens AG, 1000 Berlin und 8000 München RELAY WITH BRIDGE CONTACT SPRING
DE3238183A1 (en) * 1982-10-15 1983-05-19 Alois Zettler Elektrotechnische Fabrik GmbH, 8000 München Electromagnetic relay
EP0443075A1 (en) * 1990-01-19 1991-08-28 BREMAS S.p.A. Tappet, in particular for cooperating with camshafts in electrical switches

Also Published As

Publication number Publication date
ES2242347T3 (en) 2005-11-01
US20010054546A1 (en) 2001-12-27
DE19858755C1 (en) 2000-06-08
DE59912238D1 (en) 2005-08-11
DK1011122T3 (en) 2005-08-01
PT1575075E (en) 2010-09-08
EP1575075B1 (en) 2010-07-28
PT1011122E (en) 2005-09-30
SI1575075T1 (en) 2010-11-30
US6300854B1 (en) 2001-10-09
ATE299290T1 (en) 2005-07-15
US6362710B2 (en) 2002-03-26
SI1011122T1 (en) 2005-12-31
EP1011122A2 (en) 2000-06-21
DE59915189D1 (en) 2010-09-09
EP1011122A3 (en) 2001-04-25
JP2000182456A (en) 2000-06-30
EP1011122B8 (en) 2005-08-31
JP4265057B2 (en) 2009-05-20
EP1575075A2 (en) 2005-09-14
ATE475982T1 (en) 2010-08-15
ES2347967T3 (en) 2010-11-26
EP1011122B1 (en) 2005-07-06

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