EP0739021B1 - Elektromagnetisches Schaltgerät, insbesondere Schütz - Google Patents

Elektromagnetisches Schaltgerät, insbesondere Schütz Download PDF

Info

Publication number
EP0739021B1
EP0739021B1 EP96101421A EP96101421A EP0739021B1 EP 0739021 B1 EP0739021 B1 EP 0739021B1 EP 96101421 A EP96101421 A EP 96101421A EP 96101421 A EP96101421 A EP 96101421A EP 0739021 B1 EP0739021 B1 EP 0739021B1
Authority
EP
European Patent Office
Prior art keywords
contact bridge
armature
intermediate plate
switching device
bridge carrier
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
EP96101421A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0739021A3 (de
EP0739021A2 (de
Inventor
Hans Haas
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.)
Rockwell Automation Switzerland GmbH
Original Assignee
Rockwell Automation 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 Rockwell Automation AG filed Critical Rockwell Automation AG
Publication of EP0739021A2 publication Critical patent/EP0739021A2/de
Publication of EP0739021A3 publication Critical patent/EP0739021A3/de
Application granted granted Critical
Publication of EP0739021B1 publication Critical patent/EP0739021B1/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

Definitions

  • the present invention relates to an electromagnetic switching device, in particular Contactor with articulated connection between armature and contact bridge support, with an anchor, with one in the housing of the switchgear slidably guided contact bridge carrier and with one in the direction of movement transverse bore of the anchor used for the Connection provided on the contact bridge support coupling bolt, the Anchor and the contact bridge support with several around in the direction of movement the axis of symmetry of the contact bridge support lying symmetrically arranged, elastic elements are clamped.
  • an electromagnetic switching device in particular Contactor with articulated connection between armature and contact bridge support, with an anchor, with one in the housing of the switchgear slidably guided contact bridge carrier and with one in the direction of movement transverse bore of the anchor used for the Connection provided on the contact bridge support coupling bolt, the Anchor and the contact bridge support with several around in the direction of movement the axis of symmetry of the contact bridge support lying symmetrically arranged, elastic elements are clamped.
  • DE-C-2142464 is an electromagnetic switching device at the beginning known type known.
  • this switching device there is an arrangement on all sides Articulated connection of the armature with the contact bridge support is provided. It was assumed that the connection was articulated on all sides a central, small-area support between the anchor and the one with the Contact bridge carrier connected coupling pin is required.
  • the coupling pin is only in the middle of the hole on one central point on the anchor.
  • the object of the present invention is an electromagnetic switching device to develop the type mentioned at the beginning, in which the articulated to all sides Connection of the armature to the contact bridge carrier used in coupling bolt accommodated in the bore of the armature when receiving Is subjected to a relatively small bending stress and can be installed largely independent of location, from a relatively small number Parts is assembled, has a long service life and is economical is advantageous.
  • the task is solved in that a between the anchor and the contact bridge carrier arranged on the contact bridge carrier transverse to Direction of movement against the torsion-proof, over the elastic elements resilient both on the two end areas of the coupling pin also perpendicular to the end areas of the anchor, with several with guide parts of the housing engaging guide elements provided intermediate plate is provided and that the coupling bolt at least in the two end areas of the bore in the anchor and on its two end areas in towing connection with the contact bridge support stands.
  • the intermediate plate is easy to manufacture and economically advantageous. By using the intermediate plate, the switchgear can be installed for a simple automatic assembly is particularly suitable.
  • the Coupling bolt at least in the two end areas of the hole in the anchor rests is the bending stress of the Coupling bolt relatively low, which makes it relatively long Service life of the switching device is also achievable.
  • the between the coupling pin and the towing connection provided for the contact bridge support an articulated pivoting movement of the armature against that on the two end regions of the coupling pin and perpendicular to the end areas of the Anchoring force of the elastic elements.
  • the intermediate plate takes over also the guidance of the contact bridge carrier and the armature in the housing of the switching device.
  • the proposed arrangement consists of proportionate few parts and is economically advantageous.
  • the intermediate plate advantageously has at least one drive connection point for at least one auxiliary switchgear that can be attached to the switchgear.
  • the intermediate plate is particularly suitable with an externally accessible one Drive connection point to be provided.
  • the elastic elements advantageously consist of between the anchor and the Intermediate plate and between the coupling pin and the intermediate plate effective, resilient beams formed on the intermediate plate. This solution is strikingly advantageous because the intermediate plate with the elastic elements is formed in one piece. The simple assembly of the Switchgear is obvious.
  • the intermediate plate can consist of a thermoplastic.
  • the for the formation of the resilient beams existing good bending properties and good sliding properties necessary for guiding the intermediate plate in the housing the thermoplastic is advantageously used.
  • the contact bridge support can consist of a thermoset plastic. With a thermosetting plastic, the contact bridge support can be used for all occurring switchgear sufficient mechanical strength and with sufficient dimensional stability.
  • the schematic cross section of an electromagnetic switching device more precisely 1 shows a contactor, a housing 1, a lower housing part 2 and one Upper housing part 3.
  • the housing 1 and in the upper housing part 3 there are contact bridges 4 held with movable contact pieces 5 on a contact bridge support 6.
  • the housing 1 carries the fixed contact pieces 7.
  • the contact bridge carrier 6 lies non-rotatably on an intermediate plate 8 transversely to the direction of movement.
  • the intermediate plate 8 lies between the contact bridge support 6 and the Armature 9 of the electromagnet.
  • the attachment of the contact bridge support 6 on Anchor 9 by means of a coupling bolt 10 will be explained later.
  • the core 12 of the electromagnet provided with a magnetic coil 11 attached.
  • the intermediate plate 8 is shown in Figure 2 alone, perspective. One recognises a wide groove on the side facing the contact bridge carrier 6 13, in which the contact bridge support 6 against rotation transversely to the direction of movement is inserted, as can also be seen from FIGS. 1, 3 and 4 is.
  • the intermediate plate 8 carries on its side facing the anchor 9 elastic elements that spread the armature 9 and the contact bridge support 6 apart.
  • the elastic at the end regions of the armature 9 Elements consist of two elastic anchor beams 14 and the one on abut the end regions of the coupling bolt 10, are two elastic bolt beams 15.
  • the intermediate plate 8 is made of a thermoplastic good bending properties, so that the resilient beams 14, 15 die resilient connection between the armature 9 and the contact bridge support 6 to ensure.
  • the intermediate plate 8 has two openings visible in FIG 16 provided. Through these openings 16, the two coupling hooks 17 of the contact bridge support 6 pierced. Through the opening 18 in the intermediate plate 8 placed on the armature 9 and through the coupling hooks 17 of the contact bridge support 6, the coupling bolt 10 through the bored through the bore 19 of the armature 9 transverse to the direction of movement become. The coupling pin 10 lies in the entire length of the bore 19 in Anchor 9 on.
  • the intermediate plate 8 is on both sides with protruding, lateral guide elements 20 provided in the corresponding guide parts, not shown of the housing 1 for guiding the contact bridge support 6 in Provide housing 1.
  • the guide elements 20 also serve as drive connection points for a side mountable on the switching device, not shown Auxiliary switching device.
  • the guide elements 20 are in open grooves guided displaceably in the direction of movement in the housing wall.
  • the one-piece intermediate plate 8 consisting of a thermoplastic plastic serves as a tensioning element thanks to its good spring properties between the armature 9 and the contact bridge support 6 and on the other thanks to the good sliding properties also as a guide element for the contact bridge support 6 in the housing 1.
  • the contact bridge support 6 is independent from the intermediate plate 8 made of a thermosetting plastic with one for all occurring switching devices sufficient mechanical strength and dimensional stability.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Contacts (AREA)
  • Dental Preparations (AREA)
  • Electromagnets (AREA)
  • Control Of Electric Motors In General (AREA)
  • Relay Circuits (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
  • Elimination Of Static Electricity (AREA)
EP96101421A 1995-04-20 1996-02-01 Elektromagnetisches Schaltgerät, insbesondere Schütz Expired - Lifetime EP0739021B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH112695 1995-04-20
CH1126/95 1995-04-20
CH01126/95A CH691880A5 (de) 1995-04-20 1995-04-20 Elektromagnetisches Schaltgerät, insbesondere Schütz.

Publications (3)

Publication Number Publication Date
EP0739021A2 EP0739021A2 (de) 1996-10-23
EP0739021A3 EP0739021A3 (de) 1998-07-08
EP0739021B1 true EP0739021B1 (de) 2003-05-14

Family

ID=4203104

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96101421A Expired - Lifetime EP0739021B1 (de) 1995-04-20 1996-02-01 Elektromagnetisches Schaltgerät, insbesondere Schütz

Country Status (8)

Country Link
US (1) US5717370A (da)
EP (1) EP0739021B1 (da)
AT (1) ATE240584T1 (da)
CH (1) CH691880A5 (da)
DE (1) DE59610433D1 (da)
DK (1) DK0739021T3 (da)
ES (1) ES2193211T3 (da)
PT (1) PT739021E (da)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19617135C2 (de) * 1996-04-29 2001-01-04 Siemens Ag Hilfsschalteraufsatzblock
US6013889A (en) * 1997-06-02 2000-01-11 Allen-Bradley Company, Llc Method for retaining a movable contact in a circuit interrupter
FR2772792B1 (fr) * 1997-12-24 2000-01-28 Staubli Sa Ets Boitier de positionnement d'actionneurs electriques pour la formation de la foule et metier a tisser
US6194984B1 (en) * 1998-09-30 2001-02-27 Rockwell Technologies, Llc Movable contact assembly for an electrical contactor
DE19943965A1 (de) * 1999-09-14 2001-03-15 Moeller Gmbh Niederspannungsschaltgerät
US6297717B1 (en) * 2000-03-10 2001-10-02 Eaton Corporation Contactor with floating armature
DE102007017516B3 (de) * 2007-04-13 2008-04-30 Siemens Ag Herstellungsverfahren für ein elektromagnetisches Schaltgerät mit Trennwänden zwischen Haupt- und Hilfskontakten sowie entsprechend dem Herstellungsverfahren hergestelltes elektromagnetisches Schaltgerät
JP4978527B2 (ja) * 2008-03-24 2012-07-18 富士電機機器制御株式会社 電気機器の接触子ホルダおよび接触子ホルダの組立方法
FR2999791B1 (fr) * 2012-12-18 2015-01-02 Schneider Electric Ind Sas Dispositif modulaire de commutation electrique comportant au moins un bloc de coupure unipolaire et ensemble de commutation comportant de tels dispositifs
CN104576218B (zh) * 2015-01-12 2017-06-20 厦门宏发开关设备有限公司 一种接触器减少摩擦缓冲结构
CN106206170B (zh) * 2016-08-31 2019-04-26 厦门宏发开关设备有限公司 一种接触器触头支持装置
CN110211843A (zh) * 2019-04-11 2019-09-06 厦门宏发开关设备有限公司 一种耐磨静音的接触器触头支持装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL132206C (da) * 1962-04-24
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
US4710740A (en) * 1987-01-20 1987-12-01 Eaton Corporation Electromagnetic operator for a contactor with improved shock pad
FR2631738B1 (fr) * 1988-05-20 1990-08-10 Telemecanique Electrique Module de protection pour electro-aimant de contacteur
US5296826A (en) * 1993-05-13 1994-03-22 Eaton Corporation Switch assembly

Also Published As

Publication number Publication date
ES2193211T3 (es) 2003-11-01
DE59610433D1 (de) 2003-06-18
PT739021E (pt) 2003-09-30
US5717370A (en) 1998-02-10
CH691880A5 (de) 2001-11-15
DK0739021T3 (da) 2003-06-10
EP0739021A3 (de) 1998-07-08
ATE240584T1 (de) 2003-05-15
EP0739021A2 (de) 1996-10-23

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