EP2135272A2 - Procédé de fabrication pour un commutateur électromagnétique comportant des parois de séparation entre des contacts principaux et de secours ainsi que commutateur électromagnétique fabriqué selon le procédé de fabrication - Google Patents

Procédé de fabrication pour un commutateur électromagnétique comportant des parois de séparation entre des contacts principaux et de secours ainsi que commutateur électromagnétique fabriqué selon le procédé de fabrication

Info

Publication number
EP2135272A2
EP2135272A2 EP08718352A EP08718352A EP2135272A2 EP 2135272 A2 EP2135272 A2 EP 2135272A2 EP 08718352 A EP08718352 A EP 08718352A EP 08718352 A EP08718352 A EP 08718352A EP 2135272 A2 EP2135272 A2 EP 2135272A2
Authority
EP
European Patent Office
Prior art keywords
contact
switching chamber
bridge
main
bridges
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
EP08718352A
Other languages
German (de)
English (en)
Other versions
EP2135272B1 (fr
Inventor
Georg Bollinger
Johann Drexler
Alexander Keintzel
Peter Schlegl
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 EP2135272A2 publication Critical patent/EP2135272A2/fr
Application granted granted Critical
Publication of EP2135272B1 publication Critical patent/EP2135272B1/fr
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
    • 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
    • H01H50/02—Bases; Casings; Covers
    • H01H50/04—Mounting complete relay or separate parts of relay on a base or inside a case
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/54—Contact arrangements
    • 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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49105—Switch making

Definitions

  • the present invention relates to a manufacturing method for an electromagnetic switching device. It further relates to an electromagnetic switching device.
  • Electromagnetic switching devices and manufacturing methods for electromagnetic switching devices are well known.
  • an electromagnetic switching device has the following characteristics:
  • the switching device has a switching chamber and a contact bridge carrier.
  • the contact bridge carrier is equipped with movable contact bridges.
  • the contact bridges comprise a plurality of main contact bridges and at least one auxiliary contact bridge.
  • the contact bridge carrier is inserted into the switching chamber and stored there longitudinally displaceable in an actuating direction.
  • the switching chamber is equipped with fixed main counter contact points and fixed auxiliary counter contact points.
  • Each main counter contact point cooperates with one of the bridge contact points of one of the main contact bridges, and each auxiliary counter contact point interacts with one of the bridge contact points of one of the auxiliary contact bridges.
  • main covers are fixed so that the main covers cover the main counter contact points.
  • a load voltage typically three-phase current of up to 690 V nominal voltage - in some cases more - or DC clamping voltage of up to 500 V nominal voltage - in some cases even more
  • the main contacts are usually designed as normally open.
  • the auxiliary contacts the actual switching state of the electromagnetic switching device is tapped.
  • the auxiliary contacts switch to a monitoring voltage, which is often considerably lower than the load voltage. Typically, it is either 24 V DC or 100/110/230 V AC. In some cases higher voltage values are possible.
  • the auxiliary contacts may alternatively be designed as a make or as an opener.
  • the contact erosion causes the main contacts to wear out after a certain number of switching cycles.
  • the contact erosion may additionally cause the auxiliary contacts to be impaired in their function, for example by contamination or by corrosion due to the penetration of aggressive gases that arise when Maisabbrand the main contacts. For this reason, the main contacts should be isolated from the auxiliary contacts as well as possible.
  • Contact bridge carrier however, has no ribs or the like in this embodiment. By this configuration, a so-called simple labyrinth can be realized.
  • an electromagnetic switching device in which ribs are formed on both the switching chamber and on the contact bridge carrier, so that a so-called double labyrinth can be realized.
  • the switching chamber is composed of two parts, so that there is a higher manufacturing and monthly expenditure.
  • the object of the present invention is to provide a manufacturing method for an electromagnetic switching device and an electromagnetic switching device manufactured according to this manufacturing method, by means of which, despite one-piece design of the switching chamber a good
  • Isolation of the main contacts of the auxiliary contacts can be achieved.
  • the object is procedurally achieved by a manufacturing method for an electromagnetic switching device, in which following steps are carried out in the following order:
  • an electromagnetic switching device having the following features:
  • the switching device has a one-piece switching chamber and a contact bridge carrier.
  • the contact bridge carrier is equipped with movable contact bridges.
  • the contact bridges comprise a plurality of main contact bridges and at least one auxiliary contact bridge.
  • the contact bridge carrier is inserted into the switching chamber and stored there longitudinally displaceable in an actuating direction.
  • each separating element is arranged between a bridge contact point of one of the main contact bridges and a bridge contact point of one of the auxiliary contact bridges.
  • the switching chamber is equipped with fixed main counter contact points and fixed auxiliary counter contact points.
  • Each main mating contact point cooperates with one of the bridge contact points of one of the main contact bridges and each auxiliary mating contact point interacts with one of the bridge contact points of one of the auxiliary contact bridges.
  • Main covers are fixed to the switching chamber so that the main covers cover the main counter contact points and fix the separating elements in the switching chamber.
  • the individual elements of the switching device are coordinated so that the insertion of the separating elements in the switching chamber and the loading of the switching chamber with the fixed main counter contact points after insertion of the equipped with the movable contact bridges contact bridge carrier must be made in the switching chamber and the
  • Fixing the main covers to the switching chamber after insertion of the separating elements into the switching chamber and the loading of the switching chamber must be done with the fixed main counter contact points.
  • each auxiliary contact bridge is arranged above one of the main contact bridges. It is possible that in this embodiment the partitioning off of the main contacts from the auxiliary contacts is effected exclusively by the separating elements.
  • the contact bridge carrier has, per bridge contact point of each auxiliary contact bridge, in each case one tongue which extends between the bridge contact point of the respective auxiliary contact bridge. and the bridge contact point of the corresponding main contact bridge extends.
  • the separating elements together with the tongues can form a labyrinth.
  • the separating elements have a U-shaped cross-section. Because they are on the one hand easy to produce and on the other hand still have a good effect.
  • the separators may be simple flat tongues.
  • the loading of the switching chamber with the stationary auxiliary contact points must be carried out after the insertion of the contact bridge carrier into the switching chamber.
  • FIG. 2 shows schematically an assembled contact bridge carrier
  • FIG. 3 shows an exploded view of essential parts of an electromagnetic switching device
  • FIG. 4 shows a perspective illustration of a contact bridge carrier shown in FIG.
  • FIG. 6 shows a perspective view of the upper region of the electromagnetic switching device of FIG. 3
  • FIG. 7 shows a perspective view of the complete electromagnetic switching device of FIG. 3
  • FIG. 8 shows a detail of the electromagnetic switching device of FIG. 3
  • An electromagnetic switching device has a housing 1.
  • a contact bridge carrier 2 is mounted in the housing 1.
  • the Contact bridge carrier 2 is equipped with movable main contact bridges 3 and with movable auxiliary contact bridges 4.
  • the contact bridge carrier 2 is made of electrically insulating material. For example, it may be formed as a plastic injection molded part. It is connected to an anchor 5.
  • a switching coil 6 is further arranged.
  • the switching coil 6 When the switching coil 6 is acted upon by a sufficiently large current I, it attracts the armature 5.
  • the contact bridge carrier 2 is displaced longitudinally in an actuating direction x.
  • bridge contact points 7 of the main contact bridges 3 are pressed against fixed main counter contact points 8, which are arranged in a switching chamber 9.
  • the load voltage may be, for example, 400 V three-phase, 500 V DC, 690 V three-phase, etc.
  • the electromagnetic switching device is designed as a contactor.
  • each one of the auxiliary contacts 4, 10, 11 formed as an opener or as a closer.
  • bridging contact points 10 of one of the auxiliary contacts 4, 10, 11 are pressed against auxiliary counter contact points 11 and bridge contact points 10 of the other of the auxiliary contacts 4, 10, 11 are lifted off corresponding auxiliary counter contact points 11.
  • the auxiliary counter contact points 11 are fixed counter contact points, with which the switching chamber 9 is equipped.
  • FIG. 1 The illustration of FIG. 1, in which all the contact bridges 3, 4 are arranged one above the other in the operating direction x, is intended more to explain in principle the mode of operation of the electromagnetic switching device.
  • the main contact bridges 3 - see FIG. 2 - are usually arranged next to one another so that the following three directions define a rectangular Cartesian coordinate system:
  • contact bridge direction y The main extension direction y of the contact bridges 3, 4, hereinafter called contact bridge direction y, and
  • each auxiliary contact bridge 4 is arranged above one of the main contact bridges 3.
  • the switching chamber 9 is firstly produced in a customary manner on the one hand.
  • the switching chamber 9 is integrally formed in the present invention. It consists of an electrically insulating material. For example, it may be formed as a plastic injection molded part. The production of the switching chamber 9 is well known to those skilled in the art and therefore need not be explained in detail below.
  • the switching chamber 9 is shown in FIG.
  • the contact bridge carrier 2 is manufactured and equipped with the movable contact bridges 3, 4.
  • the populated contact bridge carrier 2 can be seen particularly clearly in Figures 3 and 4.
  • the contact bridges 3, 4 comprise a plurality (usually three to five) main contact bridges 3 and at least one (usually one or two) auxiliary contact bridges 4.
  • the contact bridges 3, 4 are referred to as "movable” because they are in operation of the electromagnetic contactor together with the contact bridge carrier 2.
  • Each contact bridge 3, 4 has two bridge contact points 7, 10, which interact with the stationary counter contact points 8, 11.
  • the contact bridge carrier 2 furthermore has one tongue 13 per bridge contact point 10 of each auxiliary contact bridge 4. In this case, the tongues 13 extend between the respective bridge contact point 10 of the respective auxiliary contact bridge 4 and the bridge contact point 7 of the corresponding main contact bridge 3.
  • the contact bridge carrier 2 can be manufactured and fitted simultaneously with or after the switching chamber 9 has been manufactured.
  • the contact bridge carrier 2 After loading the contact bridge carrier 2, the contact bridge carrier 2 is inserted into the switching chamber 9. The insertion of the contact bridge carrier 2 in the switching chamber 9 takes place here against the actuating direction x. He is also mounted longitudinally displaceable after insertion into the switching chamber 9 in the operating direction x.
  • each separating element 14 is arranged between a bridge contact point 7 of one of the main contact bridges 3 and a bridge contact point 10 of one of the auxiliary contact bridges 4. This is particularly clear from Figures 5 and 6 can be seen.
  • the switching chamber 9 is further equipped with the fixed main counter-contact points 8.
  • the main counter contact points 8 are referred to as "stationary", because they are fixed in place in the housing 1 or the switching chamber 9, ie, do not move together with the contact bridge carrier 2.
  • the switching chamber 9 is equipped with the main counter contact points 8 - analogously to the one - lead the separating elements 14 - also in the contact bridge direction y from the outside to the contact bridge carrier 2.
  • main covers 15 are fixed to the switching chamber. This is particularly clear from FIG. 3.
  • the fixing of the main covers 15 is effected by pressing in the actuation direction x.
  • the main covers 15 can be latched or snapped onto the housing 1 or the switching chamber 9.
  • the main counter-contact points 8 cover the main covers 15 on the one hand, the main counter-contact points 8 from.
  • the switching chamber 9 is equipped with the fixed auxiliary counter-contact points 11.
  • the auxiliary mating contact points 11 are referred to as "stationary” because they are stationary in the housing 1 or the switching chamber 9, ie, do not move together with the contact bridge carrier 2.
  • the switching chamber 9 is also equipped with the auxiliary mating contact points 11 in the contact bridge direction y from the outside toward the contact bridge carrier 2. The fitting with fixed auxiliary counter contact points 11 can under certain circumstances even follow the fixing of the main cover 15 to the switching chamber 9.
  • auxiliary cover 16 After being equipped with the stationary auxiliary counter contact points 11, at least one auxiliary cover 16 is fixed to the switching chamber 9, which covers the auxiliary contact points 11 after fixing.
  • the fixing of the auxiliary cover 16 is usually - but not necessarily - after fixing the main covers 15th
  • the individual elements 1 to 16 of the switching device are such matched to one another that the insertion of the separating elements 14 into the switching chamber 9 and the loading of the switching chamber 9 with the fixed main counter contacts 8 and the stationary auxiliary counter contact points 11 after insertion of the equipped with the movable contact bridges 3, 4 contact bridge carrier 2 must be made in the switching chamber 9. Because the separating elements 14, the main counter-contact points 8 and the auxiliary counter-contact points 11 protrude into the insertion, which is required for the insertion of the fittedmaschinenträ- gers 2.
  • the individual elements 1 to 16 of the switching device are coordinated such that the fixing of the main covers 15 must be made to the switching chamber 9 after insertion of the separating elements 14 in the switching chamber 9 and after fitting the switching chamber 9 with the fixed main counter contact points 8. Because after fixing the main covers 15, insertion of the separating elements 14 and the main counter-contact points 8 in the switching chamber 9 is no longer possible.
  • the auxiliary counter contact points 11 must be used before fixing the main covers 15. In other embodiments, (or must - depending on the configuration), the loading with the fixed auxiliary counter-contact points 11 after fixing the main cover 15 done.
  • the tongues 13 of the contact bridge carrier 2 are - see FIG 8 - arranged between the separating elements 14 and the bridge contact points 7 of the main contact bridges 3. They form according to FIG 8 together with the separating elements 14 a - preferably double - labyrinth.
  • the achieved Abschottungs Sign is particularly large, if the separating elements 14 have a U-shaped cross-section. This is also apparent from FIG.
  • the separating elements 14 may be designed, for example, as simple tongues.
  • the present invention has many advantages.
  • the result is a simpler, more reliable and cost-effective tiger structure of the electromagnetic switching device.
  • the contact bridge carrier 2 can be equipped in advance (that is, even before insertion into the switching chamber 9). It is also possible in a simple way to realize a double maze. Finally, it results - see in particular FIG 7 - a compact overall structure of the electromagnetic switching device.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Contacts (AREA)
  • Mechanisms For Operating Contacts (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Electromagnets (AREA)
  • Manufacture Of Switches (AREA)

Abstract

L'invention concerne un procédé de fabrication pour un commutateur électromagnétique comprenant, dans l'ordre suivant les étapes consistant à: fabriquer une chambre de commutation (9) monobloc, fabriquer un support de pontage de contact (2) et monter le support de pontage de contact (2) avec pontages de contact (3, 4) mobiles, les pontages de contact (3, 4) comprenant plusieurs pontages de contact principaux (3) et au moins un pontage de contact de secours (4); placer le support de pontage de contact (2) monté avec les pontages de contact (3, 4) mobiles dans la chambre de commutation (9); placer des éléments de séparation (14) dans la chambre de commutation (9), de sorte que chaque élément de séparation (14) soit agencé entre une position de contact de pontage d'un des pontages de contact principaux (3) et une position de contact de pontage d'un des pontages de contact de secours (4), et monter la chambre de commutation (9) avec un contact opposé principal; fixer les caches principaux (15) à la chambre de commutation (9), de sorte que les caches principaux (15) recouvrent les positions de contact opposées principales et les éléments de séparation (14) sont fixés dans la chambre de commutation (9).
EP08718352A 2007-04-13 2008-03-31 Procédé de fabrication pour un commutateur électromagnétique comportant des parois de séparation entre des contacts principaux et de secours ainsi que commutateur électromagnétique fabriqué selon le procédé de fabrication Active EP2135272B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007017516A DE102007017516B3 (de) 2007-04-13 2007-04-13 Herstellungsverfahren für ein elektromagnetisches Schaltgerät mit Trennwänden zwischen Haupt- und Hilfskontakten sowie entsprechend dem Herstellungsverfahren hergestelltes elektromagnetisches Schaltgerät
PCT/EP2008/053801 WO2008125466A2 (fr) 2007-04-13 2008-03-31 Procédé de fabrication pour un commutateur électromagnétique comportant des parois de séparation entre des contacts principaux et de secours ainsi que commutateur électromagnétique fabriqué selon le procédé de fabrication

Publications (2)

Publication Number Publication Date
EP2135272A2 true EP2135272A2 (fr) 2009-12-23
EP2135272B1 EP2135272B1 (fr) 2012-12-12

Family

ID=39244669

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08718352A Active EP2135272B1 (fr) 2007-04-13 2008-03-31 Procédé de fabrication pour un commutateur électromagnétique comportant des parois de séparation entre des contacts principaux et de secours ainsi que commutateur électromagnétique fabriqué selon le procédé de fabrication

Country Status (7)

Country Link
US (1) US8159321B2 (fr)
EP (1) EP2135272B1 (fr)
KR (1) KR101405870B1 (fr)
CN (1) CN101647083B (fr)
DE (1) DE102007017516B3 (fr)
ES (1) ES2399456T3 (fr)
WO (1) WO2008125466A2 (fr)

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WO2022198286A1 (fr) 2021-03-26 2022-09-29 Weg Drives & Controls - Automação Ltda. Dispositif de commutation utilisant un ensemble de tête mobile tripartite avec des conducteurs électriques principaux et auxiliaires incorporés
WO2022228751A1 (fr) * 2021-04-30 2022-11-03 Hitachi Energy Switzerland Ag Relais électromagnétique

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JP6245557B2 (ja) * 2013-12-13 2017-12-13 パナソニックＩｐマネジメント株式会社 電磁リレー
CN103745887B (zh) * 2014-01-14 2015-11-25 德力西电气有限公司 一种防护罩旋转装配结构及具有该结构的接触器
CN104779120B (zh) * 2015-05-05 2016-09-28 首瑞（北京）投资管理集团有限公司 一种单断点接触器
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US10020132B1 (en) * 2017-05-24 2018-07-10 Siemens Industry, Inc. Terminal barriers for covering the lugs or terminals of electrical switching apparatus such as circuit breakers
KR102537548B1 (ko) * 2018-01-22 2023-05-26 엘에스일렉트릭(주) 보조접점이 구비된 직류 릴레이
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Publication number Priority date Publication date Assignee Title
WO2022198286A1 (fr) 2021-03-26 2022-09-29 Weg Drives & Controls - Automação Ltda. Dispositif de commutation utilisant un ensemble de tête mobile tripartite avec des conducteurs électriques principaux et auxiliaires incorporés
WO2022228751A1 (fr) * 2021-04-30 2022-11-03 Hitachi Energy Switzerland Ag Relais électromagnétique

Also Published As

Publication number Publication date
DE102007017516B3 (de) 2008-04-30
KR101405870B1 (ko) 2014-06-12
ES2399456T3 (es) 2013-04-01
CN101647083B (zh) 2012-06-27
US20100127805A1 (en) 2010-05-27
WO2008125466A3 (fr) 2008-12-11
KR20100016108A (ko) 2010-02-12
US8159321B2 (en) 2012-04-17
WO2008125466A2 (fr) 2008-10-23
CN101647083A (zh) 2010-02-10
EP2135272B1 (fr) 2012-12-12

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