EP0902447B1 - Dispositif interrupteur auxiliaire - Google Patents

Dispositif interrupteur auxiliaire Download PDF

Info

Publication number
EP0902447B1
EP0902447B1 EP98108571A EP98108571A EP0902447B1 EP 0902447 B1 EP0902447 B1 EP 0902447B1 EP 98108571 A EP98108571 A EP 98108571A EP 98108571 A EP98108571 A EP 98108571A EP 0902447 B1 EP0902447 B1 EP 0902447B1
Authority
EP
European Patent Office
Prior art keywords
contact
leaf spring
auxiliary switch
cams
contact bridge
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
EP98108571A
Other languages
German (de)
English (en)
Other versions
EP0902447A3 (fr
EP0902447A2 (fr
Inventor
Reiner Linek
Manfred Schimkat
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 EP0902447A2 publication Critical patent/EP0902447A2/fr
Publication of EP0902447A3 publication Critical patent/EP0902447A3/fr
Application granted granted Critical
Publication of EP0902447B1 publication Critical patent/EP0902447B1/fr
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
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/0066—Auxiliary contact devices
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
    • H01H11/0006—Apparatus or processes specially adapted for the manufacture of electric switches for converting electric switches
    • H01H11/0012—Apparatus or processes specially adapted for the manufacture of electric switches for converting electric switches for converting normally open to normally closed switches and vice versa
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H15/00—Switches having rectilinearly-movable operating part or parts adapted for actuation in opposite directions, e.g. slide switch
    • H01H15/02—Details
    • H01H15/06—Movable parts; Contacts mounted thereon
    • H01H15/10—Operating parts
    • H01H15/102—Operating parts comprising cam devices
    • H01H15/105—Adjustable cams

Definitions

  • the present invention relates to an auxiliary switch arrangement with at least two fixed contact pieces fastened in a housing and with at least one with the fixed contact pieces by moving one with linear cams provided slide in and out of engagement, in the closing direction spring-loaded contact bridge, at the end of a leaf spring band carrying it transversely to its longitudinal direction and in the separation position by the Cam of the slide is lifted off the fixed contact pieces.
  • US-A-3787653 is an auxiliary switch arrangement of the beginning known type known.
  • this auxiliary switch arrangement are at least two fixed contact pieces arranged in one housing. Two fixed contact pieces each are switched on by a movable contact bridge connected with each other.
  • the contact bridge is a bar on both Ends of a U-shaped, with the middle part of the U-shape on the case back guided, pivotally mounted pivot lever attached.
  • the swivel lever is spring-loaded in the closing direction of the contact pieces by pretensioning.
  • the middle part of the U-shaped part inserted between the guide surfaces of the housing both contact bridges carrying, resilient pivot lever can tilt the guide surfaces and thus the spring behavior of the movable Affect contact bridges.
  • the assembly of the swivel levers is for an automatic assembly only possible with difficulty because it is not attached, but only is inserted.
  • the slide is in the housing with a coil spring preloaded, this additional compression spring increases the number of parts, the assembly effort and the actuating force generated by the actuators of the electrical Switching device must be applied.
  • This spring acts on the movable contact pieces of the switching device also back and influenced there the contact pressure.
  • US-A-3675168 is a switching device with a housed in a housing Fixed contact piece and with one bent at one end of a U-shape Leaf spring band attached movable contact piece known. The other, free end of the leaf spring band is attached to the housing and serves as an electrical connection point. The one lying at one end of the leaf spring band Movable contact piece is moved by a slide over one of the contact point removed cam assembly with the fixed contact piece in and out Intervention. Especially in the event of overcurrent, the between the parallel Parts of the U-shaped leaf spring band occurring electrodynamic Forces cause vibrations and, as a result, contact separation. Furthermore is the current-carrying U-shaped leaf spring band through the flowing Electrically heated, which affects the spring characteristic, particularly in the case of overcurrents of the leaf spring band can lead.
  • the object of the present invention is to provide an auxiliary switch arrangement create in which the closing and / or opening contacts as required in desired combination can be chosen, the relatively few Has individual parts, suitable for automatic assembly and therefore economical is advantageous and with all existing current loads Maintains functionality.
  • the task is solved in that several contact bridges and one common slide with several assigned to each contact bridge Cams are provided, with each contact bridge at one end of an associated one U-shaped leaf spring band transverse to the longitudinal direction of the Leaf spring band molded in one piece and the other, free end of the U-shaped curved, non-current-carrying leaf spring band is fastened in the housing, wherein the leaf spring band in the contact-making closed position of the contact bridge is biased by the amount of contact pressure.
  • multiple contact bridges and with a correspondingly arranged cam Sliders can be used for any closing and / or opening contacts Will be provided. With this arrangement there is the movable contact bridge and that applying the contact pressure for this movable contact piece Leaf spring band made from a single piece that attaches to the housing is.
  • each contact bridge with the leaf spring band carrying it and the direct attachment of the free end of the leaf spring band on Housing results in a clear spring behavior of the moving contact pieces and the possibility of installing multiple opener and closer contacts.
  • This arrangement is suitable for automatic assembly and is economical advantageous. Influenced by the fact that the leaf spring band is not live the current passed through the auxiliary switch the properties of the auxiliary switch assembly Not.
  • the leaf spring band advantageously projects between the two on the two End areas of the contact bridge attached movable contact pieces the contact bridge, with the protruding part becoming one with the cams the slide interacting slide bracket is shaped.
  • the one from the material The leaf spring band shaped slide bracket completes the functions of the one-piece leaf spring band.
  • the auxiliary switch arrangement has a housing 1 which the arrangement closes to the outside. In the housing 1 are visible in Fig.1 Fixed contact pieces 2, 3, 4 attached. The fixed contact pieces 2, 3, 4 are with the terminals 5, 6, 7, 8 of the auxiliary switch in an electrically conductive connection. The fixed contact pieces 2 and 3 and 4 and not in Fig.1 visible, are in the switched-on position with the contact bridges 9, 10 with each other connected.
  • the contact bridges 9, 10 are U-shaped at one end bent leaf spring bands 11 are formed, as in Figures 4, 5 and 6th can be seen. The other ends 12 of the leaf spring bands 11 are in the housing 1 attached.
  • the leaf spring strips 11 bring in the contact-making closed position the contact bridges 9, 10 the contact pressure, because they are by the amount of Contact pressure are biased.
  • the leaf spring strips 11 protrude between the two end regions of the contact bridges 9, 10 beyond the contact bridges 9, 10, the outstanding ones Parts are formed into sliding brackets 13.
  • This slide bracket 13 serve the Contact bridges 9, 10 to lift off the fixed contact pieces 2, 3, 4 and the Bring the auxiliary switch to the off position.
  • the auxiliary switch assembly is equipped with a slide 14 which in Housing 1 is held and guided longitudinally.
  • This slider 14 is provided with a linear cam 15. 2 shows the slide 14 in the upper position. In this position it is clearly visible that the cam 15 underneath the slide bracket 13 of the upper contact bridge 9 is pushed. This contact bridge 9 is thus lifted off the fixed contact pieces 2 and 3, the connection between terminals 5 and 6 is interrupted.
  • the lower Slide bracket 13 is free, the contact bridge 10 is with the fixed contact pieces 4th in connection, the connection terminals 7 and 8 are electrically connected.
  • FIG. 3 shows the auxiliary switch arrangement with the slide 14 pushed downward.
  • the fixed contact pieces 2, 3 are connected because of the slide bracket 13 of the upper leaf spring band 11 is free and the contact bridge 9 on the Fixed contact pieces 2, 3 can rest.
  • the contact pressure results from the Preload of the leaf spring band 11.
  • the slide 14 is with an extension 16 provided that shifted by an electrical switching device, not shown can be.
  • the one-piece leaf spring band 11 is alone in FIGS. 4, 5 and 6 shown. In Figure 4 and also in Figure 6 are attached to the leaf spring band 11 movable contact pieces 17 particularly visible.
  • FIG. 7 shows the slide 14 with differently arranged Cams 15, 18, 19, 20, 21. Due to the different designs of the cams 15, 18, 19, 20, 21, the closing and / or opening contacts as required to get voted.
  • the cams 18, 19 shown in FIG. 7 actuate two Opener contacts, the cams 20, 21 visible in FIG. 8 have two make contacts.
  • the cams 15 shown in FIG. 9 serve to actuate an opener and a make contact.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Slide Switches (AREA)
  • Push-Button Switches (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Control Of Eletrric Generators (AREA)
  • Vehicle Body Suspensions (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Contacts (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Oscillators With Electromechanical Resonators (AREA)

Claims (2)

  1. Configuration d'interrupteur auxiliaire avec au moins deux plots de contact fixe (2, 3, 4) fixés dans un boítier (1) et avec au moins un pont de contact (9, 10), équilibré par ressort en direction de fermeture, qu'on peut amener en prise ou hors de prise avec les plots de contact fixe (2, 3, 4) en déplaçant un coulisseau (14) muni d'ergots (15, 18, 19, 20, 21) linéaires, qui s'étend transversalement à sa direction longitudinale à l'extrémité d'une bande de ressort à lames le supportant et qui dans la position de séparation est soulevé des plots de contact fixe (2, 3, 4) par les ergots (15, 18, 19, 20, 21) du coulisseau (14), la bande de ressort à lames (11) étant précontrainte de la valeur de pression de contact en position de fermeture - établissant le contact - du pont de contact (9, 10),
    caractérisée en ce que
    l'on prévoit plusieurs ponts de contact (9, 10) et un coulisseau (14) commun avec plusieurs ergots (15, 18, 19, 20, 21) conçus différemment, à chaque fois associés à chaque pont de contact (9, 10), chaque pont de contact (9, 10) à l'une des extrémités d'une bande de ressort à lames (11) associée recourbée en U étant formé en une seule pièce transversalement à la direction longitudinale de la bande de ressort à lames (11), et l'autre extrémité (12) libre de la bande de ressort à lames (11) non conductrice de courant recourbée en U étant fixée dans le boítier (1).
  2. Configuration d'interrupteur auxiliaire selon la revendication 1,
    caractérisée en ce que
    la bande de ressort à lames (11) est en saillie sur le pont de contact (9, 10) entre les deux plots de contact (17) mobiles appliqués sur les deux zones d'extrémité du pont de contact (9, 10), la partie en saillie étant façonnée pour former un étrier de contact (13) qui agit conjointement avec les ergots (15, 18, 19, 20, 21) du coulisseau (14).
EP98108571A 1997-09-09 1998-05-12 Dispositif interrupteur auxiliaire Expired - Lifetime EP0902447B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH2113/97 1997-09-09
CH211397 1997-09-09
CH211397 1997-09-09

Publications (3)

Publication Number Publication Date
EP0902447A2 EP0902447A2 (fr) 1999-03-17
EP0902447A3 EP0902447A3 (fr) 2000-01-12
EP0902447B1 true EP0902447B1 (fr) 2003-06-25

Family

ID=4226185

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98108571A Expired - Lifetime EP0902447B1 (fr) 1997-09-09 1998-05-12 Dispositif interrupteur auxiliaire

Country Status (7)

Country Link
US (1) US5927485A (fr)
EP (1) EP0902447B1 (fr)
AT (1) ATE243883T1 (fr)
DE (1) DE59808798D1 (fr)
DK (1) DK0902447T3 (fr)
ES (1) ES2196423T3 (fr)
PT (1) PT902447E (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4546639B2 (ja) * 2000-12-06 2010-09-15 ナイルス株式会社 インヒビタースイッチ
US6534737B1 (en) 2002-02-19 2003-03-18 Onan Corporation Contact closing speed limiter for a transfer switch
CN111180224B (zh) * 2019-09-26 2021-11-09 胡建强 一种高可靠性的断火限位器

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3249725A (en) * 1963-05-23 1966-05-03 Gen Electric Electric switch with pressure lock terminals
GB1282654A (en) * 1970-04-02 1972-07-19 Mte Components Ltd Improvements in or relating to electrical relays
US3715545A (en) * 1971-06-18 1973-02-06 Cherry Electrical Prod Momentary push button switch with improved non-conductive cam for normally retaining movable leaf spring contacts in a non-operative position
US3787653A (en) * 1971-11-24 1974-01-22 Mossman D Inc Electrical switch assembly
US3770921A (en) * 1972-06-12 1973-11-06 L Wilbrecht Snap-action switch
US4331844A (en) * 1980-02-29 1982-05-25 Shigeru Saitoh Electric switch device
US4366351A (en) * 1980-11-07 1982-12-28 Re-Al, Inc. Electrical slide switch of flush through design and method of mounting thereof
US4395609A (en) * 1981-07-24 1983-07-26 General Motors Corporation Cam operated dual switch assembly
DE3608703A1 (de) * 1986-03-15 1987-09-24 Siedle & Soehne S Schaltelement
IT213976Z2 (it) * 1988-06-23 1990-03-05 Cge Spa Struttura di contatti elettrici nella quale la forza assiale di azionamento e' solo una piccola frazione della forza esercitata sui contatti.
US4885435A (en) * 1988-12-23 1989-12-05 Telephone And Telegraph Company Cantilever spring switch having multiple fulcrums

Also Published As

Publication number Publication date
ES2196423T3 (es) 2003-12-16
PT902447E (pt) 2003-11-28
US5927485A (en) 1999-07-27
DK0902447T3 (da) 2003-08-18
EP0902447A3 (fr) 2000-01-12
EP0902447A2 (fr) 1999-03-17
ATE243883T1 (de) 2003-07-15
DE59808798D1 (de) 2003-07-31

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