EP2135272B1 - 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 Download PDF

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Publication number
EP2135272B1
EP2135272B1 EP08718352A EP08718352A EP2135272B1 EP 2135272 B1 EP2135272 B1 EP 2135272B1 EP 08718352 A EP08718352 A EP 08718352A EP 08718352 A EP08718352 A EP 08718352A EP 2135272 B1 EP2135272 B1 EP 2135272B1
Authority
EP
European Patent Office
Prior art keywords
contact
switching chamber
bridge
primary
auxiliary
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.)
Active
Application number
EP08718352A
Other languages
German (de)
English (en)
Other versions
EP2135272A2 (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

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/02—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.
  • a load voltage typically three-phase current of up to 690 V nominal voltage - in some cases more - or DC voltage of up to 500 V rated 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 are worn 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.
  • 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 good foreclosure of the main contacts can be achieved by the auxiliary contacts.
  • each auxiliary contact bridge is arranged above one of the main contact bridges. It is possible that in this embodiment, the foreclosure of the main contacts of the auxiliary contacts is effected exclusively by the separating elements.
  • the contact bridge carrier per bridge contact point of each auxiliary contact bridge depending on a tongue extending between the bridge contact point of the respective auxiliary contact bridge and the bridge contact of the corresponding main contact bridge extends.
  • the foreclosure effect can be further optimized.
  • 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 counter contact points must be done after insertion of the contact bridge carrier in the switching chamber.
  • 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 normally open.
  • bridge contact points 10 of one of the auxiliary contacts 4, 10, 11 at auxiliary counter-contact points 11 are pressed against the longitudinal displacement of the contact bridge carrier 2 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.
  • 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 discussed further below.
  • the switching chamber 9 is in FIG. 3 shown.
  • the contact bridge carrier 2 is manufactured and equipped with the movable contact bridges 3, 4.
  • the populated contact bridge carrier 2 is particularly clear in the FIG. 3 and 4 to recognize.
  • 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 switching device be moved together with the contact bridge carrier 2.
  • Each contact bridge 3, 4 has two bridge contact points 7, 10, which cooperate with the fixed mating contact points 8, 11.
  • the contact bridge carrier 2 further per bridge contact point 10 each auxiliary contact bridge 4 each have a tongue 13.
  • 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 especially clear from the FIG. 5 and 6 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 "fixed”, because they are stationary in the housing 1 and the switching chamber 9, so do not move together with the contact bridge carrier 2.
  • the loading of the switching chamber 9 with the main counter contact points 8 takes place - analogous to the introduction 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 especially clear FIG. 3 seen.
  • 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 stationary auxiliary counter-contact points 11.
  • the auxiliary counter-contact points 11 are referred to as "fixed”, because they are arranged stationary in the housing 1 and the switching chamber 9, so do not move together with the contact bridge carrier 2.
  • the loading of the switching chamber 9 with the auxiliary mating contact points 11 also takes place in the contact bridge direction y from the outside to the contact bridge carrier 2.
  • the equipping with fixed auxiliary counter contact points 11 may even follow the fixing of the main cover 15 to the switching chamber 9 under certain circumstances.
  • auxiliary cover 16 After fitting with the fixed auxiliary counter-contact points 11 at least one auxiliary cover 16 is fixed to the switching chamber 9, which covers the auxiliary counter 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 coordinated so that the insertion of the separating elements 14 in 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.
  • 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 assembled contact bridge carrier 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 - Between the separating elements 14 and the bridge contact points 7 of the main contact bridges 3 are arranged. They form according to FIG. 8 together with the separating elements 14 a - preferably double - labyrinth.
  • the achieved Abschottungsrial here is particularly large when the separating elements 14 have a U-shaped cross-section. This too is out FIG. 8 seen.
  • the separating elements 14 may be formed, for example, as simple tongues.
  • the present invention has many advantages. In particular, it results in a simpler, more reliable and less expensive Structure of the electromagnetic switching device. Furthermore, the contact bridge carrier 2 can be equipped in advance (that is, even before insertion into the switching chamber 9). Also, it is easily possible to realize a double maze. Finally, it results - see in particular FIG. 7 - A compact overall design of the electromagnetic switching device.

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

Claims (7)

  1. Procédé de fabrication pour un commutateur électromagnétique, en particulier un contacteur, comprenant dans l'ordre indiqué les étapes suivantes:
    - fabriquer une chambre de commutation (9) monobloc, fabriquer un support de pont de contact (2) et équiper ce support (2) de ponts de contact (3, 4) mobiles, lesdits ponts de contact (3, 4) comprenant plusieurs ponts de contact principaux (3) et au moins un pont de contact auxiliaire (4);
    - placer le support de pont de contact (2) équipé des ponts 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 un point de contact de pont (7) d'un des ponts de contact principaux (3) et un point de contact de pont (10) d'un des ponts de contact auxiliaires (4), et équiper la chambre de commutation (9) de points de contact opposé principaux (8) fixes ;
    - fixer des caches principaux (15) à la chambre de commutation (9), de sorte que ces caches principaux (15) recouvrent les points de contact opposé principaux (8) et fixent les éléments de séparation (14) dans la chambre de commutation (9).
  2. Procédé de fabrication selon la revendication 2,
    caractérisé en ce que
    l'on équipe la chambre de commutation (9) de points de contact opposé auxiliaires (11) fixes, et en ce que cet équipement de la chambre de commutation (9) desdits points de contact opposé auxiliaires (11) fixes a lieu après avoir placé le support de pont de contact (2) dans la chambre de commutation (9).
  3. Commutateur électromagnétique, en particulier contacteur, ayant les caractéristiques suivantes :
    - Le commutateur comporte une chambre de commutation (9) monobloc et un support de pont de contact (2).
    - Le support de pont de contact (2) est équipé de ponts de contact (3, 4) mobiles.
    - Ces ponts de contact (3, 4) comprennent plusieurs ponts de contact principaux (3) et au moins un pont de contact auxiliaire (4);
    - Le support de pont de contact (2) est placé dans la chambre de commutation (9) où il est logé en translation longitudinale dans un sens d'actionnement (x).
    - Des éléments de séparation (14) sont placés dans la chambre de commutation (9), de sorte que chaque élément de séparation (14) est agencé entre un point de contact de pont (7) d'un des ponts de contact principaux (3) et un point de contact de pont (10) d'un des ponts de contact auxiliaires (4).
    - La chambre de commutation (9) est équipée de points de contact opposé principaux (8) fixes et de points de contact opposé auxiliaires (11) fixes.
    - Chaque point de contact opposé principal (8) coopère avec un des points de contact de pont (7) d'un des ponts de contact principaux (8) et chaque point de contact opposé auxiliaire (11) coopère avec un des points de contact de pont (10) d'un des ponts de contact auxiliaires (4).
    - Des caches principaux (15) sont fixés à la chambre de commutation (9), de sorte que ces caches principaux (15) recouvrent les points de contact opposé principaux (8) et fixent les éléments de séparation (14) dans la chambre de commutation (9).
    - Les différents éléments (1 à 16) du commutateur sont réglés l'un par rapport à l'autre de telle façon que le placement des éléments de séparation (14) dans la chambre de commutation (9) et l'équipement de la chambre de commutation (9) des points de contact opposé principaux (8) fixes doivent avoir lieu après avoir placé le support de pont de contact (2) équipé des ponts de contact (3, 4) mobiles dans la chambre de commutation (9) et que la fixation des caches principaux (15) à la chambre de commutation (9) doit avoir lieu après avoir placé les éléments de séparation (14) dans la chambre de commutation (9) et équipé la chambre de commutation (9) des points de contact opposé principaux (8) fixes.
  4. Commutateur selon la revendication 3,
    caractérisé en ce que
    vu dans le sens d'actionnement (x), chaque pont de contact auxiliaire (4) est disposé au-dessus d'un des ponts de contact principaux (3), et en ce que le support de pont de contact (2) comporte par point de contact de pont (10) de chaque pont de contact auxiliaire (4) une lame (13), qui s'étend entre le point de contact de pont (10) du pont de contact auxiliaire (4) respectif et le point de contact de pont (7) du pont de contact principal (3) correspondant.
  5. Commutateur selon la revendication 4,
    caractérisé en ce que
    les éléments de séparation (14) forment ensemble avec les lames (13) un labyrinthe.
  6. Commutateur selon la revendication 3, 4 ou 5,
    caractérisé en ce que
    les éléments de séparation (14) présentent une section en forme de U.
  7. Commutateur selon l'une des revendications 3 à 6,
    caractérisé en ce que
    les différents éléments (1 à 16) du commutateur sont réglés l'un par rapport à l'autre de telle façon que l'équipement de la chambre de commutation (9) des points de contact opposé auxiliaires (11) fixes doit avoir lieu après avoir placé le support de pont de contact (2) 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 EP2135272A2 (fr) 2009-12-23
EP2135272B1 true EP2135272B1 (fr) 2012-12-12

Family

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Family Applications (1)

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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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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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FR3114696B1 (fr) * 2020-09-25 2022-10-14 Schneider Electric Ind Sas Bloc empilable pour unité de commande de hauteur réduite
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JP2022141410A (ja) * 2021-03-15 2022-09-29 オムロン株式会社 電磁継電器
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Also Published As

Publication number Publication date
KR20100016108A (ko) 2010-02-12
WO2008125466A3 (fr) 2008-12-11
DE102007017516B3 (de) 2008-04-30
CN101647083B (zh) 2012-06-27
ES2399456T3 (es) 2013-04-01
US20100127805A1 (en) 2010-05-27
US8159321B2 (en) 2012-04-17
CN101647083A (zh) 2010-02-10
WO2008125466A2 (fr) 2008-10-23
KR101405870B1 (ko) 2014-06-12
EP2135272A2 (fr) 2009-12-23

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