EP0511077B1 - Elektrischer Verbinder zum Fixieren und Verbinden von Tochter-Mutterleiterplatten - Google Patents

Elektrischer Verbinder zum Fixieren und Verbinden von Tochter-Mutterleiterplatten Download PDF

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Publication number
EP0511077B1
EP0511077B1 EP19920401118 EP92401118A EP0511077B1 EP 0511077 B1 EP0511077 B1 EP 0511077B1 EP 19920401118 EP19920401118 EP 19920401118 EP 92401118 A EP92401118 A EP 92401118A EP 0511077 B1 EP0511077 B1 EP 0511077B1
Authority
EP
European Patent Office
Prior art keywords
connector
board
daughter
tracks
card
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
EP19920401118
Other languages
English (en)
French (fr)
Other versions
EP0511077A1 (de
Inventor
Jacky Beon
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.)
Sagem SA
Original Assignee
Sagem SA
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 Sagem SA filed Critical Sagem SA
Publication of EP0511077A1 publication Critical patent/EP0511077A1/de
Application granted granted Critical
Publication of EP0511077B1 publication Critical patent/EP0511077B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/71—Coupling devices for rigid printing circuits or like structures
    • H01R12/72—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
    • H01R12/721—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures cooperating directly with the edge of the rigid printed circuits

Definitions

  • the present invention relates to an electrical connector for fixing and connecting a daughter board to a mother board.
  • connectors mounted on a printed circuit board, or motherboard, to electrically connect to this card another printed circuit board, or daughter board.
  • These connectors include electrical contacts capable of cooperating with contact tracks on the daughter card, these electrical contacts themselves being connected by soldering to tracks on the mother board.
  • the known connectors are arranged on one face of the motherboard by pins passing through this card and soldered on the other face to the tracks of the motherboard in the traditional way, for example by wave soldering.
  • a first type of such connectors form a U-section cavity in which part of the daughter board engages. Another type is intended to receive between electrical contacts pins soldered on the daughter board.
  • the present invention aims to overcome this drawback by providing an electrical connector in which the daughter card can be mounted on either side of the motherboard.
  • the present invention relates to an electrical connector according to claim 1.
  • the connector according to the invention has a through conduit for the reception of the daughter card, this card can be mounted in one direction or the other, that is to say on one side or the other. from the motherboard.
  • the connector connection pins can extend perpendicularly to the latter to be connected to the tracks of the motherboard by conventional welds or in the plane of the connector to be connected to the tracks of the motherboard by welds of the CMS type (component surface mounted).
  • perpendicular to the connector or in the plane of the connector is meant perpendicular to or in the plane of the motherboard when the connector is mounted thereon.
  • the connector according to the invention therefore also has the advantage of being able, depending on its embodiment, to be connected to the motherboard, either by conventional soldering, or by soldering of the CMS type.
  • the connector body has a keying projection arranged to engage in a corresponding shape of the cutout of the motherboard.
  • a keying rib transversely crosses said conduit to engage in a corresponding keying slot of the daughter card.
  • Figures 1 to 3 show a printed circuit board (1), called mother board, comprising a rectangular cutout (2) in which is engaged the body (3) of a connector (4) according to the invention.
  • the body (3) has a keying projection (21) intended to engage in a corresponding shape of the cutout (2) to ensure correct mounting direction of the connector on the card.
  • the body (3) forms in its central part an elongate conduit (5) passing through in the form of a slot, perpendicular to the plane of the card (1) when the connector (4) is mounted on this card.
  • a transverse coding rib (20) bars the duct (5) for reasons which will be explained below.
  • the internal walls facing each other along the length of the conduit (5) support flexible electrical contacts (6) connected by conductors (7) passing through the body (3) to pins (8).
  • the connector (4) has, seen in section, a T-shape allowing it to be embedded in the card (1), the pins (8) emerging from the body (3) from below the wings of the T .
  • the pins (8) pass through holes in the card (1) and are then welded, for example by wave, onto conductive tapes (9) made on the surface of the card (1). This welding therefore ensures both the electrical connections and the mechanical retention of the connector (4) on the card (1).
  • a connection end (10) of a daughter card (11) can then be inserted into the conduit (5), this daughter card comprising, in the present case on its two faces, conductive pads (12) bearing on the electrical contacts (6) of the connector (3) and thus ensuring the maintenance of the daughter card (11) on the motherboard (1) and the electrical connections between these two cards.
  • connection end (10) of the daughter card (11) also has a keying slot (22) in which the rib (20) can engage when the daughter card is presented in the correct direction at the entrance. of the duct (5).
  • Figure (2) shows the daughter card (11) in solid lines presented to be engaged in the connector (4) on the side of the welds, that is to say on the side opposite to the components mounted on the card (1).
  • This same daughter card (11) is shown in dashed lines presented on the other side of the card (1).
  • the daughter card (11) can therefore be mounted on either side of the card (1).
  • the flexibility of the contacts (6) ensures good electrical contact with the conductive pads (12) when the daughter card is in place in the connector (4).
  • Figure (5) shows another embodiment of a connector (4 ′) according to the invention comprising a body (3 ′) similar to the body (3) of the connector (4), this body (3 ′) forming a through conduit (5 ′) on the walls of which flexible electrical contacts (6 ′) are arranged.
  • the electrical contacts (6 ′) are connected by conductors (7) passing through the body (3) horizontally so as to come out substantially horizontally at the ends of the wings of the T formed by the connector.
  • the protruding ends of the conductors (7 ′) are then manually welded by soldering of the CMS type (surface-mounted component) on conductive tapes (9 ′) of the card (1 ′).
  • connectors having two rows of contacts, but it would obviously be possible to provide only one of one side of the connector.

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)

Claims (5)

  1. Elektrische Verbindungseinrichtung zum Befestigen und Anschließen einer Tochterkarte (11) an einer Mutterkarte (1), mit einem Körper (3), der einen Hohlraum zum Aufnehmen eines Teiles (10) der Tochterkarte bildet, welcher Kontaktbahnen (12) aufweist, wobei der Körper so gestaltet ist, daß er in einen Ausschnitt (2) der Mutterkarte eingefügt werden kann, und elektrischen Kontakten (6), die auf mindestens einer Wand des Hohlraums angeordnet sind, um mit diesen Bahnen der Tochterkarte zusammenzuwirken, dadurch gekennzeichnet, daß der Kohlraum im Gebrauch einen durchführenden kanal bildet und daß die Kontakte elektrisch mit Verbindungsstriften (7',8) zur Verbindung an Bahnen (9) der Mutterkarte verbunden sind.
  2. Verbindungseinrichtung nach Anspruch 1, bei der die Verbindunggsstifte (8) sich senkrecht zu der Verbindungseinrichtung erstrecken, so daß sie mit den Bahnen der Mutterkarte durch herkömmliche Lötmittel verbunden werden können.
  3. Verbindungseinrichtung nach Anspruch 1, bei der sich die Verbindungsstifte (7') in der Ebene der Verbindungseinrichtung erstrecken, so daß sie mit den Bahnen der Mutterkarte durch SMD-Lötmittel (Oberflächenmontage-Lötmittel) verbunden werden können.
  4. Verbindungseinrichtung nach einem der Ansprüche 1 bis 3, bei der der Körper einen Unverwechselbarkeits-Vorsprung (21) aufweist. der so ausgebildet ist, daß er in eine entsprechende Aussparung (2) eingreifen kann.
  5. Verbindungsemrichtung nach einem der Ansprüche 1 bis 4, mit einer Unverwechselbarkeits-Rippe (20). welche quer zu dem Kanal verläuft, um in einen entsprechenden Unverwechselbarkeits-Schlitz der Tochterkarte einzugreifen.
EP19920401118 1991-04-25 1992-04-21 Elektrischer Verbinder zum Fixieren und Verbinden von Tochter-Mutterleiterplatten Expired - Lifetime EP0511077B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9105116 1991-04-25
FR9105116A FR2675955B1 (fr) 1991-04-25 1991-04-25 Connecteur electrique pour fixer et connecter une carte fille a une carte mere.

Publications (2)

Publication Number Publication Date
EP0511077A1 EP0511077A1 (de) 1992-10-28
EP0511077B1 true EP0511077B1 (de) 1996-03-06

Family

ID=9412251

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19920401118 Expired - Lifetime EP0511077B1 (de) 1991-04-25 1992-04-21 Elektrischer Verbinder zum Fixieren und Verbinden von Tochter-Mutterleiterplatten

Country Status (4)

Country Link
EP (1) EP0511077B1 (de)
CA (1) CA2066987A1 (de)
DE (1) DE69208720D1 (de)
FR (1) FR2675955B1 (de)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2935725A (en) * 1955-08-30 1960-05-03 Fox Benjamin Electrical connector for printed circuit board
US4869672A (en) * 1989-04-17 1989-09-26 Amp Incorporated Dual purpose card edge connector

Also Published As

Publication number Publication date
DE69208720D1 (de) 1996-04-11
FR2675955B1 (fr) 1993-08-20
EP0511077A1 (de) 1992-10-28
FR2675955A1 (fr) 1992-10-30
CA2066987A1 (en) 1992-10-26

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