EP0977220B1 - Plaquette à circuit imprimé - Google Patents

Plaquette à circuit imprimé Download PDF

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Publication number
EP0977220B1
EP0977220B1 EP99108119A EP99108119A EP0977220B1 EP 0977220 B1 EP0977220 B1 EP 0977220B1 EP 99108119 A EP99108119 A EP 99108119A EP 99108119 A EP99108119 A EP 99108119A EP 0977220 B1 EP0977220 B1 EP 0977220B1
Authority
EP
European Patent Office
Prior art keywords
circuit board
printed circuit
contact
leg
curved
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
EP99108119A
Other languages
German (de)
English (en)
Other versions
EP0977220A1 (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 EP0977220A1 publication Critical patent/EP0977220A1/fr
Application granted granted Critical
Publication of EP0977220B1 publication Critical patent/EP0977220B1/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
    • H01H1/5805—Connections to printed circuits
    • 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
    • H01H1/24—Contacts characterised by the manner in which co-operating contacts engage by abutting with resilient mounting
    • H01H1/26—Contacts characterised by the manner in which co-operating contacts engage by abutting with resilient mounting with spring blade support

Definitions

  • the invention relates to a printed circuit board with contact surfaces and a resilient Contact body for actuation by a switching plunger or cam the preamble of claim 1.
  • Such a circuit board is known for example from DE 43 30 576 C1 and there has a one-piece spring element, which consists of a stamped and bent part is made.
  • the spring element forms two guide legs, which are characterized by extend an opening of a switching plunger and into a receptacle Housing are inserted.
  • One of the guide legs goes into a connecting leg above, which rests on the contact surfaces in an electrically contacting manner.
  • This version does not allow the transport of assembly parts because the individual parts are only loosely plugged together, d. H. are lost.
  • an electrical contact device is known from C 671 648 A5, in which a resilient contact body on one on a housing base trained peg is placed and held. This type of operation is not suitable for arrangement on a circuit board.
  • the invention is therefore based on the object of measures to find with which a simple captive arrangement of a contact body on a printed circuit board and also an easy to manufacture Execution is present.
  • FIG. 1 shows a sectional illustration and FIG. 2 shows a top view of a printed circuit board 1 with contact surfaces 2, 3 and a spring-elastic contact body 4 for actuation by a switching plunger or cam 5, the contact body 4 a Contact reset voltage generated and with a contact arm 6, the contact surfaces 2, 3 shorts.
  • the contact body 4 is shaped as a hairpin spring 7 and protrudes through a circuit board opening 8 so that its two legs 9, 10 are aligned approximately parallel to the printed circuit board surfaces 11 and that one leg 9 is longer on the contact surface side of the circuit board 1 than the other leg 10 and contact bulges 12, 13 at the end of the leg and has at the middle of the leg.
  • the shorter leg 10 ends between the two contact bulges 12, 13 and has one at the end of the leg Support bulge 14 and a hook approach 15, the hook approach 15 protrudes into a further circuit board opening 16 and is locked in this.
  • the Switch plunger or cam 5 from the lower side to the closed End of the contact body 4 acts.
  • the contact body 4 has an actuation bulge 17 on the closed side in the region of the legs 9, 10 in order to obtain a defined contact point. Depending on the side from which the tappet or cam 5 acts, this is then to be formed on the upper leg 9 or the lower leg 10, as shown in FIG. 3.
  • the contact body 4 or the hairpin spring 7 can consist of spring wire or spring band.
  • the leg 9 with the contact bulges 12, 13 can have a recess 18 into which the hook extension 15 can protrude when the legs 9, 10 are in contact with one another under the spring tension in the not yet assembled state. As a result, the molded spring tension can be increased.
  • the contact body 4 or the hairpin spring 7 is bent so that the contact bulges 12, 13 and the support bulge 14 pressed against the circuit board 1 under spring tension are.
  • the hook approach 15 with play in the circuit board opening 16 protrudes to achieve a micro movement between the contact bulges 12, 13 and the contact surfaces 2, 3 if the Contact body 4 is loaded by the plunger or cam 5.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)

Claims (8)

  1. Plaquette de circuit avec zones de contact et un élément de contact doté d'un mouvement de ressort pour la mise en marche par une came ou un poussoir de commande, l'élément de contact produisant une tension pour le repositionnement du contact et court-circuitant les zones de contact avec une barre de contact, caractérisée en ce que l'élément de contact (4) a la forme d'une cheville en épingle à cheveux (7) et passe à travers une ouverture (8) sur la plaquette de circuit de telle façon que ses deux branches (9, 10) sont positionnées presque parallèlement à la surface (11) de la plaquette de circuit, que la branche (9) située du côté de la surface de contact de la plaquette de circuit (1) est plus longue que l'autre branche (10) et que des incurvations de contact (12, 13) sont présentes au bout de la branche et au milieu de la branche, que la branche la plus courte (10) se termine à un niveau entre les deux incurvations de contact (12, 13) et qu'au bout de cette branche sont présents une incurvation de positionnement (14) et un petit crochet (15), le petit crochet (15) s'enfonçant dans une autre ouverture (16) de la plaquette de circuit et étant positionné dans celle-ci.
  2. Plaquette de circuit selon la revendication 1, caractérisée en ce que l'élément de contact (4) présente une incurvation d'actionnement (17) du côté fermé dans la zone des branches (9, 10).
  3. Plaquette de circuit selon l'une quelconque des revendications 1 ou 2, caractérisée en ce que l'élément de contact (4) et la cheville en épingle à cheveux (7) sont composés de fil à ressort.
  4. Plaquette de circuit selon l'une quelconque des revendications 1 ou 2, caractérisée en ce que l'élément de contact (4) et la cheville en épingle à cheveux (7) sont composés d'une bride de ressort.
  5. Plaquette de circuit selon la revendication 4, caractérisée en ce que la branche (9) avec les incurvations de contact (12, 13) présente une ouverture (18) dans laquelle le petit crochet (15) peut s'enfoncer.
  6. Plaquette de circuit selon la revendication 5, caractérisée en ce que l'ouverture (18) est formée comme la fente (19) qui termine le bout de la branche.
  7. Plaquette de circuit selon l'une quelconque des revendications précédentes, caractérisée en ce que l'élément de contact (4) ou la cheville en épingle à cheveux (7) est courbé de telle façon que les incurvations de contact (12, 13) et l'incurvation de positionnement (14) sont pressées par tension de ressort contre la plaquette de circuit (1).
  8. Plaquette de circuit selon l'une quelconque des revendications précédentes, caractérisée en ce que le petit crochet (15) s'enfonce dans l'ouverture de la plaquette de circuit (16) en laissant un jeu de mouvement pour produire un micro-mouvement entre les incurvations de contact (12, 13) et les zones de contact (2, 3).
EP99108119A 1998-07-30 1999-04-24 Plaquette à circuit imprimé Expired - Lifetime EP0977220B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19834375 1998-07-30
DE19834375A DE19834375C1 (de) 1998-07-30 1998-07-30 Leiterplatte

Publications (2)

Publication Number Publication Date
EP0977220A1 EP0977220A1 (fr) 2000-02-02
EP0977220B1 true EP0977220B1 (fr) 2003-02-12

Family

ID=7875857

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99108119A Expired - Lifetime EP0977220B1 (fr) 1998-07-30 1999-04-24 Plaquette à circuit imprimé

Country Status (3)

Country Link
EP (1) EP0977220B1 (fr)
DE (2) DE19834375C1 (fr)
ES (1) ES2189307T3 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20004953U1 (de) * 2000-03-10 2000-08-10 Petri Ag Lenkrad für Kraftfahrzeuge mit einer Schalteinrichtung zum Betätigen einer elektrischen Funktionsgruppe eines Kraftfahrzeugs
DE10238661B3 (de) * 2002-08-23 2004-02-26 Lumberg Connect Gmbh & Co. Kg Elektrische Kontaktiervorrichtung, insbesondere zur Verbindung einer Spannungsquelle mit einer elektronischen Schaltung

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2657546A1 (de) * 1976-12-18 1978-06-22 Telefonbau & Normalzeit Gmbh Kontaktplaettchen fuer in eine leiterplatte eingesetzte schaltvorrichtungen
CH671648A5 (en) * 1987-02-13 1989-09-15 Contraves Ag Electric contact device for keyboard switch - uses double armed contact element between pushbutton operating element and fixed counter contact pin
DE4330576C1 (de) * 1993-09-09 1994-11-10 Preh Elektro Feinmechanik Tastschalter
DE19642808C1 (de) * 1996-10-17 1998-04-23 Siedle & Soehne S Verfahren zur Herstellung einer Kontaktanordnung

Also Published As

Publication number Publication date
DE59904261D1 (de) 2003-03-20
ES2189307T3 (es) 2003-07-01
EP0977220A1 (fr) 2000-02-02
DE19834375C1 (de) 1999-12-09

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