EP0235552B1 - Arrangement d'un commutateur - Google Patents

Arrangement d'un commutateur Download PDF

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Publication number
EP0235552B1
EP0235552B1 EP19870101005 EP87101005A EP0235552B1 EP 0235552 B1 EP0235552 B1 EP 0235552B1 EP 19870101005 EP19870101005 EP 19870101005 EP 87101005 A EP87101005 A EP 87101005A EP 0235552 B1 EP0235552 B1 EP 0235552B1
Authority
EP
European Patent Office
Prior art keywords
contact
carrier
held
switch arrangement
recess
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
EP19870101005
Other languages
German (de)
English (en)
Other versions
EP0235552A3 (en
EP0235552A2 (fr
Inventor
Karl-Heinz Bauer
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.)
Preh GmbH
Original Assignee
Preh GmbH
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 Preh GmbH filed Critical Preh GmbH
Publication of EP0235552A2 publication Critical patent/EP0235552A2/fr
Publication of EP0235552A3 publication Critical patent/EP0235552A3/de
Application granted granted Critical
Publication of EP0235552B1 publication Critical patent/EP0235552B1/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
    • H01H1/00—Contacts
    • H01H1/58—Electric connections to or between contacts; Terminals
    • H01H1/5866—Electric connections to or between contacts; Terminals characterised by the use of a plug and socket connector
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
    • H01H19/54—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand the operating part having at least five or an unspecified number of operative positions
    • H01H19/56—Angularly-movable actuating part carrying contacts, e.g. drum switch
    • H01H19/58—Angularly-movable actuating part carrying contacts, e.g. drum switch having only axial contact pressure, e.g. disc switch, wafer switch
    • 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
    • H01H11/04—Apparatus or processes specially adapted for the manufacture of electric switches of switch contacts
    • H01H11/06—Fixing of contacts to carrier ; Fixing of contacts to insulating carrier
    • 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
    • H01H9/08—Arrangements to facilitate replacement of a switch, e.g. cartridge housing

Definitions

  • the invention relates to a switch arrangement with a sliding contact that is displaceable on a base plate, the associated sliding path of which extends in a first level and with contact pieces that can be contacted by the sliding contact in a second level.
  • Such a switch arrangement is known from FR-A-1 362 279.
  • the contact pieces of a multi-stage rotary switch are divided into two contact carriers, which face each other in different planes parallel to the direction of rotation.
  • a sliding contact arranged between the parallel planes simultaneously contacts contact pieces from both contact piece levels.
  • Switch arrangements of this type are provided, for example, for actuating the air conditioning system in motor vehicles. If high currents are to be switched with such a switch arrangement, a high level of reliability of the contact is desirable. On the other hand, since wear cannot be ruled out, then at least the worn switch parts should be easily replaceable.
  • the object of the invention is to propose a switch arrangement of the type mentioned in the introduction, in which reliable contacting and easy interchangeability is provided.
  • the above object is achieved in that the slider track and the contact pieces are held on a carrier, that the sliding contact is displaceable beyond the slider track and the contact pieces, and that the carrier is detachably inserted next to the guide body in a recess in the base plate and is equipped with connecting elements.
  • connection elements of the carrier e.g. Knife contacts, make contact with the flat contacts of a plug and are therefore in connection with the connecting cables.
  • the plug is latched and detachably inserted into a recess in the housing.
  • the carrier and the plug can be inserted independently of one another into their recess in the housing and removed therefrom without the respective counterpart being moved out of its latching position.
  • the independently held plug cannot be pushed away and cannot be pulled along when it is removed.
  • the independently held carrier cannot be pushed away and cannot be pulled along when it is removed.
  • the sliding contact is slidable for contacting the individual contact pieces between them and the sliding track. It lies firmly on the grinding track on the one hand and on the contact piece in question on the other. If the contact pieces wear, the sliding contact is moved beyond the sliding track and the contact pieces so that they are free. The carrier can then be removed from the base plate and exchanged.
  • the switch arrangement can be designed as a slide switch when the sliding contact is moved in a straight line or as a rotary switch when the sliding contact is movable in a circular manner.
  • a rotary switch has a base plate 1 on which a rotary body 3 rotatable about an axis of rotation 2 is mounted. On the rotating body 3, a leaf spring 4 is attached, at the free end of which a sliding contact 5 is arranged.
  • the sliding contact 5 has an S-shaped curved grinding head 6.
  • a recess 7 is provided on the base plate 1, into which a carrier 8 is snapped. He sits on a web 9 of the base plate 1.
  • An easily releasable latching connection 10 is provided between the recess 7 and the carrier 8. When the locking connection 10 is released, the carrier 8 can be pulled out of the recess 7 in the direction of the arrow P to the front.
  • a grinder track 11 is fastened, which runs in a first plane 12 perpendicular to the axis of rotation 2 and extends in a circle around the axis of rotation 2.
  • a knife contact 13 is formed on the grinder track 11 as a connecting element, which protrudes above the carrier 8 on the side facing away from the grinder track 11 and contacts the flat contact 22 of the plug 24 through the web 9.
  • a plurality of contact pieces 14 are fastened to the carrier 8 and extend in a second plane 15 spaced apart from the first plane 12, the two planes 12 and 15 being parallel.
  • the contact pieces 14 lie under the wiper track 11.
  • Each contact piece 14 has a knife contact 16 which projects beyond the carrier 8 on the side facing away from the contact pieces 14 and contacts the flat contact 23 of the plug 24 below the web 9.
  • the base plate has a further recess 28 into which a plug 24 is snapped.
  • the insertion of the plug into its recess is also limited by the web 9.
  • the flat contacts 22, 23 are equipped with connecting sleeves 29 on their end facing away from the insertion side of the knife contacts 13, 16.
  • the connecting sleeve 29 is designed so that a cable 26 is held stationary and electrically connects.
  • the S-shaped grinding head 6 is located between the grinding track 11 and the contact pieces 14 (cf. FIGS. 2 and 3). By means of the leaf spring 4, the S-shaped grinding head 6 is prestressed in such a way that it is pressed with one bend 17 onto the sliding track 11 and with its other bend 18 against the respective contact piece 14.
  • a handle member 27 can be plugged against the direction of arrow P.
  • the rotating body 3 has on its side facing away from the grip member a locking toothing 19, in which a spring element 20 engages.
  • the interaction of locking toothing 19 and spring element 20 is such that the grinding head 6 contacts the respective contact piece 14 in the desired working position by the grinding element 6 being displaced by the action of the spring element 20 after the external action has ended via the grip member 27 until the latter takes a locking position in the locking teeth 19.
  • a guide groove 21 is arranged, into which a lever (not shown in more detail) engages to adjust an assembly which can be operated by means of the rotating body 3.
  • Units to be switched are connected to the flat contacts 23.
  • the grinding head 6 can be stepped forward from one contact piece 14 to the adjacent contact piece.
  • the respective contact piece 14 is thus electrically connected to the wiper track 11.
  • the clamping of the grinding head 6 between the grinding track 11 and the contact pieces 14 ensures reliable contact.
  • the latching described improves the contact with regard to the switching behavior, since the switching positions on the handle member 27 are recognizable.
  • the contact pieces 14 and the slider track 11 are preferably made of copper.
  • the sliding contact 5 is preferably made of less wear-prone bronze. If wear of the contact pieces 14 occurs in the course of time, the entire carrier 8 can easily be replaced from the front. For this purpose, the rotating body 3 is rotated so far that the grinding head 6 is no longer between the grinding track 11 and the contact pieces 14. Then the latching connection 10 is released and the carrier 8 with the sliding track 11 and the contact pieces 14 is pulled forward. Then the knife contacts 13 and 16 can be pulled off the respective flat contacts 22, 23, which then receive the knife contacts 13 and 16 of a new carrier 8. Finally, the new carrier 8 is snapped into the recess 7. The grinding head 6 can then be inserted again between the contact pieces 14 and the grinding track 11 by rotating the rotating body 3.
  • the base plate 1 can be removed from its position as a whole and, after processing which is then easy to carry out, can be reattached and put back into operation after the plug 9 has been plugged in.
  • the invention can advantageously be used as a separable electrical energy supply for electrical consumers arranged on the front.

Claims (6)

  1. Dispositif de commutation, comportant un contact frotteur (5) susceptible de se déplacer sur une plaque (1) de base et maintenu sur un corps (3) de guidage, le dispositif comportant
    - une piste (11) de frottement, maintenue fixe et qui s'étend dans un premier plan (12) parallèlement à la direction de déplacement, et est destinée au contact frotteur (5), des pièces (14) de contact maintenues fixes, qui s'étendent dans un second plan (15), parallèle à la direction de déplacement et avec lesquelles le contact frotteur (5) peut être mis en contact,
    - et des éléments (13, 16) pour assurer la connexion de la piste (11) de frottement et des pièces (14) de contact,
    dispositif caractérisé en ce que
       la piste (11) de frottement et les pièces (14) de contact sont maintenues sur un support (8),
       le contact frotteur (5) peut être déplacé au-delà de la piste (11) de frottement et des pièces (14) de contact,
       et le support (8) équipé des éléments (13, 16) de connexion est enfilé de façon démontable à côté du corps (3) de guidage dans un évidement (7) de la plaque (1) de base.
  2. Dispositif de commutation selon la revendication 1, caractérisé en ce que le corps de guidage est un corps rotatif (3) dont l'axe de rotation (2) est perpendiculaire au premier plan (12) et au deuxième plan (15).
  3. Dispositif de commutation selon la revendication 1 ou 2, caractérisé en ce que le contact frotteur (5) présente une tête (6) de frottement en forme de S, qui est serrée au moyen d'un ressort (4) entre la piste (11) de frottement et les pièces (14) de contact.
  4. Dispositif de commutation selon une des revendications précédentes, caractérisé en ce que le support (8) est maintenu au moyen d'un dispositif de liaison (10) par encliquetage dans l'évidement (7).
  5. Dispositif de commutation selon une des revendications précédentes, caractérisé en ce que des contacts plats (22, 23) d'une fiche (24) maintenue dans un évidement (28) de la plaque (1) de base peuvent être mis en contact avec les éléments (13, 16) de connexion du support (8).
  6. Dispositif selon la revendication 5, caractérisé en ce que la fiche (24) est maintenue,au moyen d'une liaison (25) par encliquetage libérable,dans un évidement (28).
EP19870101005 1986-03-05 1987-01-24 Arrangement d'un commutateur Expired - Lifetime EP0235552B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19863607181 DE3607181A1 (de) 1986-03-05 1986-03-05 Schalteranordnung
DE3607181 1986-03-05

Publications (3)

Publication Number Publication Date
EP0235552A2 EP0235552A2 (fr) 1987-09-09
EP0235552A3 EP0235552A3 (en) 1989-04-26
EP0235552B1 true EP0235552B1 (fr) 1991-10-30

Family

ID=6295533

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19870101005 Expired - Lifetime EP0235552B1 (fr) 1986-03-05 1987-01-24 Arrangement d'un commutateur

Country Status (4)

Country Link
EP (1) EP0235552B1 (fr)
DE (2) DE3607181A1 (fr)
ES (1) ES2026852T3 (fr)
PT (1) PT84385B (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3816904A1 (de) * 1988-05-18 1989-11-30 Audi Ag Elektrische schalteinrichtung
US5234870A (en) * 1988-07-21 1993-08-10 Nippon Shokubai Kagaku Kogyo Co., Ltd. Zirconia sol and method for production thereof
DE4003745A1 (de) * 1990-02-08 1991-08-14 Ego Elektro Blanc & Fischer Schaltgeraet
DE4017674C2 (de) * 1990-06-01 2001-09-13 Teves Gmbh Alfred Elektrischer Schalter
DE4020821C2 (de) * 1990-06-29 2001-08-02 Teves Gmbh Alfred Elektrischer Schalter
DE4216162C2 (de) * 1991-07-26 1996-04-04 Standard Establishment Mechanische Verriegelung an einer Steckverbindung zwischen einem elektrischen Schalter und einem Verbindungsstecker
US6551123B1 (en) 1995-02-10 2003-04-22 Marquardt Gmbh Guiding arrangement for a plug-in battery pack operating an electric appliance
DE29517316U1 (de) * 1995-11-02 1995-12-21 Stocko Metallwarenfab Henkels Elektrischer Schalter
DE19541380A1 (de) * 1995-11-07 1997-05-15 Teves Gmbh Alfred Schalter mit auf die Leiterplatte aufgerasteten Schaltmodulen
DE102005026167B4 (de) * 2005-06-06 2007-10-18 Faurecia Innenraum Systeme Gmbh Armaturenbrett mit einem Betätigungsmechanismus für einen Handschuhkastendeckel

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1837170U (de) * 1961-06-29 1961-09-07 Ernst Scholz Kipp- und drehschalter.
US3213212A (en) * 1962-07-11 1965-10-19 Globe Union Inc Rotary switch with movable double bladed contacts
US3308250A (en) * 1966-02-15 1967-03-07 Bell Telephone Labor Inc Slide selector switch
FR2125688A5 (fr) * 1971-02-16 1972-09-29 Chaume Sa Ets
DE2311910A1 (de) * 1973-03-09 1974-09-12 Siemens Ag Elektrischer stufendrehschalter
DE7412850U (de) * 1974-04-11 1974-07-18 Kautt & Bux Kg Wippschalter
DE3022483C2 (de) * 1980-06-14 1983-01-20 SWF-Spezialfabrik für Autozubehör Gustav Rau GmbH, 7120 Bietigheim-Bissingen Elektrischer Schalter, insbesondere für Kraftfahrzeuge
IT8323897V0 (it) * 1983-12-20 1983-12-20 Vlm Spa Interruttore elettrico del tipo a corsoio con contatto mobile a lamella elastica.

Also Published As

Publication number Publication date
DE3607181A1 (de) 1987-09-10
PT84385A (pt) 1989-02-28
EP0235552A3 (en) 1989-04-26
DE3607181C2 (fr) 1988-09-08
ES2026852T3 (es) 1992-05-16
DE8605994U1 (fr) 1987-07-02
EP0235552A2 (fr) 1987-09-09
PT84385B (pt) 1993-08-31

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