EP2320443A3 - Device for identifying wear in the contacts of electric switching devices - Google Patents

Device for identifying wear in the contacts of electric switching devices Download PDF

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Publication number
EP2320443A3
EP2320443A3 EP10354065A EP10354065A EP2320443A3 EP 2320443 A3 EP2320443 A3 EP 2320443A3 EP 10354065 A EP10354065 A EP 10354065A EP 10354065 A EP10354065 A EP 10354065A EP 2320443 A3 EP2320443 A3 EP 2320443A3
Authority
EP
European Patent Office
Prior art keywords
contacts
switching devices
wear
measuring device
force
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
EP10354065A
Other languages
German (de)
French (fr)
Other versions
EP2320443A2 (en
EP2320443B1 (en
Inventor
David Gualino
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.)
Schneider Electric Industries SAS
Original Assignee
Schneider Electric Industries SAS
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 Schneider Electric Industries SAS filed Critical Schneider Electric Industries SAS
Publication of EP2320443A2 publication Critical patent/EP2320443A2/en
Publication of EP2320443A3 publication Critical patent/EP2320443A3/en
Application granted granted Critical
Publication of EP2320443B1 publication Critical patent/EP2320443B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/0015—Means for testing or for inspecting contacts, e.g. wear indicator
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/04—Means for indicating condition of the switching device
    • H01H2071/044—Monitoring, detection or measuring systems to establish the end of life of the switching device, can also contain other on-line monitoring systems, e.g. for detecting mechanical failures
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/02—Bases; Casings; Covers
    • H01H50/04—Mounting complete relay or separate parts of relay on a base or inside a case
    • H01H50/041—Details concerning assembly of relays
    • H01H50/045—Details particular to contactors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/54—Contact arrangements
    • H01H50/546—Contact arrangements for contactors having bridging contacts

Landscapes

  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Braking Arrangements (AREA)

Abstract

Pour évaluer l'usure des contacts dans les appareils de commutation électrique (6), un dispositif de mesure (50) a été développé. Le dispositif de mesure (50) selon l'invention comprend des moyens (54A) pour exercer une force prédéterminée sur l'armature (22) de l'actionneur électromagnétique (20) des appareils de commutation (6), lesdits moyens (54A) étant munis d'un élément de couplage (40) complémentaire à la griffe d'accrochage (32) desdits appareils (6). Le dispositif de mesure (50) est adapté pour exercer une force permettant de mettre les contacts des appareils de commutation (6) en position juste fermée, pour mesurer le déplacement ainsi généré sur l'armature (22), et pour calculer l'usure en fonction du déplacement mesuré par rapport à l'écartement initial. Le dispositif (50) selon l'invention est donc adapté pour être utilisé de façon courante sur un parc de contacteurs (6), éventuellement de gammes différentes grâce à des moyens permettant de sélectionner la force à appliquer et l'écartement initial à considérer.

Figure imgaf001
To evaluate the wear of the contacts in the electrical switchgear (6), a measuring device (50) has been developed. The measuring device (50) according to the invention comprises means (54A) for exerting a predetermined force on the armature (22) of the electromagnetic actuator (20) of the switching devices (6), said means (54A) being provided with a coupling element (40) complementary to the gripping claw (32) of said apparatuses (6). The measuring device (50) is adapted to exert a force to put the contacts of the switching devices (6) in the closed position, to measure the displacement thus generated on the armature (22), and to calculate the wear as a function of the displacement measured with respect to the initial spacing. The device (50) according to the invention is therefore suitable for routine use on a set of contactors (6), possibly of different ranges, by means making it possible to select the force to be applied and the initial spacing to be considered.
Figure imgaf001
EP10354065.4A 2009-11-05 2010-10-15 Device for identifying wear in the contacts of electric switching devices Active EP2320443B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0905301A FR2952222B1 (en) 2009-11-05 2009-11-05 DEVICE FOR DETERMINING THE WEAR OF CONTACTS OF ELECTRICAL SWITCHING DEVICES

Publications (3)

Publication Number Publication Date
EP2320443A2 EP2320443A2 (en) 2011-05-11
EP2320443A3 true EP2320443A3 (en) 2012-08-29
EP2320443B1 EP2320443B1 (en) 2016-04-20

Family

ID=42163721

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10354065.4A Active EP2320443B1 (en) 2009-11-05 2010-10-15 Device for identifying wear in the contacts of electric switching devices

Country Status (2)

Country Link
EP (1) EP2320443B1 (en)
FR (1) FR2952222B1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3011673B1 (en) 2013-10-08 2015-12-11 Schneider Electric Ind Sas SWITCHING DEVICE AND METHOD FOR DETECTING A FAULT IN SUCH A SWITCHING DEVICE
CN103954446B (en) * 2014-05-22 2016-06-29 南京大全电气研究院有限公司 The operation force-displacement curve test device of chopper and automatic checkout system thereof
EP4199024B1 (en) * 2021-12-16 2024-03-20 Abb Schweiz Ag Contactor monitoring

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06196074A (en) * 1992-12-25 1994-07-15 Hitachi Ltd Electromagnetic contactor
EP0878015B1 (en) * 1996-01-31 1999-10-20 Siemens Aktiengesellschaft Method of establishing the residual useful life of contacts in switchgear and associated arrangement
WO2007033913A1 (en) * 2005-09-21 2007-03-29 Siemens Aktiengesellschaft Method for determining contact erosion of an electromagnetic switching device, and electromagnetic switching device comprising a mechanism operating according to said method
DE102007002176A1 (en) * 2007-01-15 2008-07-17 Siemens Ag Detecting means for detecting the switching state of an electromagnetic switching device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06196074A (en) * 1992-12-25 1994-07-15 Hitachi Ltd Electromagnetic contactor
EP0878015B1 (en) * 1996-01-31 1999-10-20 Siemens Aktiengesellschaft Method of establishing the residual useful life of contacts in switchgear and associated arrangement
WO2007033913A1 (en) * 2005-09-21 2007-03-29 Siemens Aktiengesellschaft Method for determining contact erosion of an electromagnetic switching device, and electromagnetic switching device comprising a mechanism operating according to said method
DE102007002176A1 (en) * 2007-01-15 2008-07-17 Siemens Ag Detecting means for detecting the switching state of an electromagnetic switching device

Also Published As

Publication number Publication date
EP2320443A2 (en) 2011-05-11
FR2952222A1 (en) 2011-05-06
EP2320443B1 (en) 2016-04-20
FR2952222B1 (en) 2014-01-03

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