EP0534846B1 - Elektrisches Verbindersystem für Flachkabel - Google Patents

Elektrisches Verbindersystem für Flachkabel Download PDF

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Publication number
EP0534846B1
EP0534846B1 EP92402609A EP92402609A EP0534846B1 EP 0534846 B1 EP0534846 B1 EP 0534846B1 EP 92402609 A EP92402609 A EP 92402609A EP 92402609 A EP92402609 A EP 92402609A EP 0534846 B1 EP0534846 B1 EP 0534846B1
Authority
EP
European Patent Office
Prior art keywords
connector
flat cable
cable
conductive
central
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
EP92402609A
Other languages
English (en)
French (fr)
Other versions
EP0534846A1 (de
Inventor
Louis Demus
Gérard Gaonac'h
Jean-Marc Sinai
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.)
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
Original Assignee
Commissariat a lEnergie Atomique CEA
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 Commissariat a lEnergie Atomique CEA filed Critical Commissariat a lEnergie Atomique CEA
Publication of EP0534846A1 publication Critical patent/EP0534846A1/de
Application granted granted Critical
Publication of EP0534846B1 publication Critical patent/EP0534846B1/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
    • H01R12/50—Fixed connections
    • H01R12/59—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures
    • H01R12/592—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures connections to contact elements

Definitions

  • the invention relates to electrical connections between a flat cable comprising one or more conductors, and one or more fixed connectors.
  • the invention applies more particularly to cables with multiple conductors for making flying connections.
  • FR-A-2 356 247 discloses a flat cable for flying connections. As shown in Figure 1, these flat cables consist of several metal conductors 2 spaced from each other. They are preferably sandwiched between two insulating films 3 and 4. Each conductor 2 comprises a flexible central part 5 and two rigid ends 6 and 7. These conductors 2 have dimensions and shapes which correspond to the use which must be done.
  • the ends 6 and 7 can be formed and shaped differently depending on the connection to be made to a connector 8, 9.
  • the ends 6 can be bent at right angles, for their introduction into openings 10 of a connector 8 which can be a circuit board.
  • the ends 7 can be bent and shaped for a connection on a connector 9 to form solder cuvettes 11.
  • this type of cables only allows connections to be made if the connector contacts are soldered or crimped. It is therefore necessary, to obtain a complete connector, to add a connection system coupled to the cables by soldering or crimping.
  • the object of the invention is to remedy this drawback by proposing a different design of the connections.
  • the blades are thicker at their contact end than in the central part of the cable.
  • the end of the flat cable 1 represented by FIG. 3 mainly comprises three elements: a metallic current conductor 12, a metallic ground conductor 14 and an insulator 13.
  • the metal current conductor 12 is a metal strip whose end 12A is narrowed to form a small contact surface, for example round. This form is an exemplary embodiment but has no functional importance.
  • the ground conductor 14 is a metal strip whose end 14A surrounds the end 12A of the conductor 12, while leaving a space between these two elements, so that there is no possible contact between the two ends.
  • Figure 4 provides a better view of the structure of the flat cable 1 according to the invention.
  • the current conductor 12 and the ground conductor 14 are two superimposed metal blades. These two blades are separated by an insulator 13.
  • two insulators are also placed around these two elements, so as to surround them. The insulator is absent from the end 12A of the current conductor 12 and from the end 14A of the ground conductor 14, so as to allow contact of these two elements with a connector.
  • the conductive contact ends 12A and earth 14A have been placed in the extension of their respective metal strip 12 and 14. This is only one embodiment, the vertical position of these two ends 12A and 14A can be modified in depending on the configuration of the connector and the capsule.
  • the connector preferably consists of a central rod 15, an outer ring 16 and an insulator 17.
  • the central rod 15 is centered in the middle of the connector, along a vertical axis 18 of the latter. It is terminated at its upper end by a contact surface 15A intended to receive the conductive contact end 12A of the cable. Its shape preferably corresponds to the shape of this conductive contact end 12A.
  • the outer ring 16 is terminated at its upper end by a contact surface 16A in the form of a crown, corresponding to the shape of the ground contact end 14A.
  • the respective vertical positions of the contact surfaces 15A and 16A correspond to the respective vertical positions of the conductive contact ends 12A and of ground 14A of the flat cable 1.
  • the insulator 17 is intended to keep the central rod 15 and the outer ring 16 spaced from one another. However, in its upper part, this insulating part 17 has a shape such that it makes it possible to define, at the 'Using the central rod 15 and the outer ring 16, a cavity 17A substantially separating the contact surfaces 15A and 16A.
  • This connector is fixed to an equipment wall 19, for example thanks to the external shape of the outer ring. This fixing can be done by welding.
  • FIG. 4 also represents a capsule 21, preferably overmolded, the shape of the lower surface of which corresponds to the upper shape of the connector 20.
  • this shape made up of the annular prominent parts 22 and 23, is complementary to that of the connector 20 and in particular to the shape defined by the contact surfaces 15A and 16A and by the cavity 17A.
  • the overmolded capsule 21 is of course intended to be fixed to the connector 20 by introduction of the protruding parts 22 and 23 into the cavity 17A of the connector 20 and around the latter. To allow this penetration and the maintenance of the capsule 21 on the connector 20, it is provided in a slightly deformable plastic.
  • the constituent material of the capsule can be of the elastomer type for example. Overmolding is done directly on the end of the flat cable 1 or on a model of identical shape. In addition, the shape of the parts which penetrates the connector 20 is such that there is a slight draft on the side walls of these parts 22 and 23 to allow the introduction of the capsule 21 on the connector 20.
  • the cavity 17A and the upper external surface 20A of the connector 20 are also slightly inclined in correspondence with the inclination of the shapes of the capsule 21 to allow the penetration of the capsule 21 on the connector 20.
  • the principle of fixing the capsule 21 on the connector 20 being an elastic locking, preferably by conical fitting, like that for example of bottles of mineral water bottles.
  • the outer wall 22 of the capsule 21 is indented over a width equivalent to the width of the flat cable 1. It is the same for the inner part 23 which is indented over the relatively small width of the metal strip connecting the central part of the conductor 12 with its contact end 12A.
  • FIG. 4 shows the assembly of the assembly, once the cable 1 is fixed to the connector 20 by means of the capsule 21. It can be seen that the latter is pressed entirely onto the connector 20, the inner part 23 of the capsule 21 penetrating into the cavity 17A, the outer part 22 of the capsule 21 surrounding the outer surface 16A of the ring 16.
  • the flat cable 1 is in contact, by its conductive contact end 12A on the contact surface 15A of the central rod 15 and by its earth contact end 14A on the upper surface 16A of the ring 16.
  • the conductive part 12 and its contact end 12A on the one hand, and the ground part 14 and its contact end 14A on the other hand, are produced in a monolithic manner.
  • connections are made in the same plane as the wire ply, that is to say in the same respective planes of the blades constituting the conductive part 12 and the ground part 14, this decreases the size of the connection.
  • Locking by elastic plugging of the capsule 21 makes it possible to make a "blind" connection, that is to say that the operator is not obliged to watch the operation which he is in the process of carrying out. 'carry out. This facilitates the making of the connection.
  • the orientation of the flat cable 1 on the connector 20 can be arbitrary, that is to say that the flat cable can be positioned over 360 °.
  • the contact made by the capsule 21 provides a spring effect on the central conductive contact end 12A, which ensures good resistance of the connection to vibrations.
  • the overmolded capsule 21 makes it possible to lengthen the high voltage leakage lines, in order to obtain an acceptable dielectric strength at voltages greater than 2 kV.
  • the capsule 21 largely contributes to the mechanical strength of the entire connection.
  • connection system therefore provides a simple, reliable high voltage connection, without wiring, in a very small footprint and allowing connection to the blind.
  • the invention can be applied to high voltage connections in harsh environments and to low voltage connections with or without shielding.

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)
  • Multi-Conductor Connections (AREA)

Claims (5)

  1. Elektrisches Verbindersystem für Flachkabel mit einer Masse, umfassend:
    - wenigstens ein Flachkabel (1) mit einem Mittelteil und zwei Enden;
    - einen Verbinder (20), an den das Flachkabel (1) durch ein erstes Ende anzuschließen ist,
    dadurch gekennzeichnet,
    daß wenigstens dieses Ende des Flachkabels (1) umfaßt:
    - ein leitendes Kontaktende (12A) mit einer Fläche, die eben bzw. flach ist und reduziert in bezug auf den Mittelteil des Flachkabels (1), das sich in einer zentralen Position befindet in bezug auf:
    - ein Masse-Kontaktende (14A) mit der Form eines flachen Kranzes, der das leitende Ende (12A) umgibt und einen Raum frei läßt zwischen sich und dem leitenden Ende (12A);
    - Befestigungseinrichtungen des Endes des Kabels (1) an dem Verbinder (20).
  2. Elektrisches Verbindersystem nach Anspruch 1, dadurch gekennzeichnet, daß das Flachkabel (1) umfaßt:
    - eine Masse (14), gebildet durch einen dünnen Metallstreifen, verbunden mit dem Ende der Masse (14A);
    - einen leitenden Teil (12), gebildet durch einen dünnen Metallstreifen, verbunden mit dem Ende des leitenden Kontakts (12A), wobei diese beiden dünnen Metallstreifen (12, 14) getrennt sind durch einen Isolator (13).
  3. Elektrisches Verbindersystem nach Anspruch 2, dadurch gekennzeichnet, daß die dünnen Metallstreifen (12, 14) an ihren Kontaktenden, (12A, 14A) dicker sind als im Mittelteil des Kabels.
  4. Elektrisches Verbindersystem nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Verbinder (20) umfaßt:
    - einen zentralen Stift (15) mit einer zentralen Kontaktfläche (15A) einer Form entsprechend dem leitenden Kontaktende (12A), um dieses entgegenzunehmen;
    - einen Außenring (16) mit einer zentralen Kontaktfläche (16A) einer Form entsprechend dem Masse-Ende (14A), um dieses entgegenzunehmen;
    - ein Isolierteil (17), das den zentralen Stift (15) und den Außenring (16) trennt und auf dem diese beiden Teile befestigt sind.
  5. Elektrisches Verbindersystem nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Befestigungseinrichtungen des Flachkabels (1) an dem Verbinder (20) umfassen:
    - einen torischen Hohlraum (17A), gebildet durch den Außenring (16), den zentralen Stift (15) und das Isolierteil (17) von bestimmter Form, mit einer Schräge bzw. einem Anzug, um die Einführen bzw. Anbringen eines weiteren Teils zu ermöglichen;
    - eine ausgegossene Kapsel (21), die auf einer Seite die Komplementärformen (22, 23) zu denen des torischen Hohlraums (17A) und den Rändern der Verbinders (20) aufweist und den Außenring (16) umgibt, so daß sie auf dem Verbinder (20) durch einfaches Drücken befestigt werden kann zum Festmachen des Kabels (1) an dem Verbinder (20).
EP92402609A 1991-09-25 1992-09-23 Elektrisches Verbindersystem für Flachkabel Expired - Lifetime EP0534846B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9111800A FR2681732B1 (fr) 1991-09-25 1991-09-25 Systeme de connexion electrique pour cable plat.
FR9111800 1991-09-25

Publications (2)

Publication Number Publication Date
EP0534846A1 EP0534846A1 (de) 1993-03-31
EP0534846B1 true EP0534846B1 (de) 1995-08-30

Family

ID=9417280

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92402609A Expired - Lifetime EP0534846B1 (de) 1991-09-25 1992-09-23 Elektrisches Verbindersystem für Flachkabel

Country Status (4)

Country Link
US (1) US5244410A (de)
EP (1) EP0534846B1 (de)
DE (1) DE69204409T2 (de)
FR (1) FR2681732B1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4217205C2 (de) * 1992-05-23 1994-09-08 Amphenol Tuchel Elect Steckverbinder
US5554037A (en) * 1994-03-01 1996-09-10 United Technologies Automotive, Inc. Terminal support for use with an electronic component
JP2001297813A (ja) * 2000-04-07 2001-10-26 Internatl Business Mach Corp <Ibm> 装着部品の電気的接続構造、コンピュータ装置及び電子機器
US6597580B2 (en) * 2001-11-30 2003-07-22 Agilent Technologies, Inc. Flexible shielded circuit board interface
US7465678B2 (en) * 2003-03-28 2008-12-16 The Trustees Of Princeton University Deformable organic devices
US7491892B2 (en) * 2003-03-28 2009-02-17 Princeton University Stretchable and elastic interconnects
US6971896B2 (en) * 2004-01-08 2005-12-06 International Business Machines Corporaion Flex strips for high frequency connectors
US8449321B2 (en) * 2011-06-22 2013-05-28 Tyco Electronics Corporation Power connectors and electrical connector assemblies and systems having the same
JP6616798B2 (ja) * 2017-05-10 2019-12-04 矢崎総業株式会社 コネクタ及びコネクタ製造方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3564478A (en) * 1968-05-06 1971-02-16 Vm Corp Electrical connector and ground structure
US3999821A (en) * 1975-04-01 1976-12-28 Swift And Company Limited Suspension and display device and method for articles
US4526432A (en) * 1979-12-26 1985-07-02 Lockheed Corporation Electrical connector assembly for flat cables
SE426894B (sv) * 1981-06-30 1983-02-14 Ericsson Telefon Ab L M Impedansriktig koaxialovergang for mikrovagssignaler
US4636015A (en) * 1985-08-30 1987-01-13 Motorola, Inc. RF connector
FR2601826B1 (fr) * 1986-07-17 1988-09-16 Alsthom Cgee Bande souple de raccordement electrique
FI84948C (fi) * 1989-04-12 1992-02-10 Nokia Mobira Oy Ytkontaktdon foer radiofrekventa signaler.
JPH0396066U (de) * 1990-01-21 1991-10-01

Also Published As

Publication number Publication date
FR2681732A1 (fr) 1993-03-26
FR2681732B1 (fr) 1993-11-05
EP0534846A1 (de) 1993-03-31
US5244410A (en) 1993-09-14
DE69204409D1 (de) 1995-10-05
DE69204409T2 (de) 1996-04-18

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