EP0991151A2 - Element de contact pour connecter un câble plat avec des conducteurs ronds et connecteur rotatif avec tel élément - Google Patents

Element de contact pour connecter un câble plat avec des conducteurs ronds et connecteur rotatif avec tel élément Download PDF

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Publication number
EP0991151A2
EP0991151A2 EP99402248A EP99402248A EP0991151A2 EP 0991151 A2 EP0991151 A2 EP 0991151A2 EP 99402248 A EP99402248 A EP 99402248A EP 99402248 A EP99402248 A EP 99402248A EP 0991151 A2 EP0991151 A2 EP 0991151A2
Authority
EP
European Patent Office
Prior art keywords
contact element
conductor
rotary connector
strip
round
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.)
Withdrawn
Application number
EP99402248A
Other languages
German (de)
English (en)
Other versions
EP0991151A3 (fr
Inventor
Frank Schröer
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.)
Nexans SA
Original Assignee
Alcatel CIT SA
Alcatel 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 Alcatel CIT SA, Alcatel SA filed Critical Alcatel CIT SA
Publication of EP0991151A2 publication Critical patent/EP0991151A2/fr
Publication of EP0991151A3 publication Critical patent/EP0991151A3/fr
Withdrawn legal-status Critical Current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
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
    • H01R4/2416—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type
    • H01R4/2445—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type the contact members having additional means acting on the insulation or the wire, e.g. additional insulation penetrating means, strain relief means or wire cutting knives
    • H01R4/245—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type the contact members having additional means acting on the insulation or the wire, e.g. additional insulation penetrating means, strain relief means or wire cutting knives the additional means having two or more slotted flat portions
    • H01R4/2454—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type the contact members having additional means acting on the insulation or the wire, e.g. additional insulation penetrating means, strain relief means or wire cutting knives the additional means having two or more slotted flat portions forming a U-shape with slotted branches
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R35/00—Flexible or turnable line connectors, i.e. the rotation angle being limited
    • H01R35/02—Flexible line connectors without frictional contact members
    • H01R35/025—Flexible line connectors without frictional contact members having a flexible conductor wound around a rotation axis

Definitions

  • the invention relates to a contact element for connecting a Ribbon cable with round conductors, the contact element several comprises mutually insulated, parallel conductor strips made of conductive material one end of which has a round conductor attachable and the other end of which one Has a surface on which one wire of the ribbon cable can be fixed by material bonding, and a rotary connector with such a contact element.
  • the ribbon cable (hereinafter referred to as FBL) is in the space arranged two mutually rotatable housing parts of the rotary connector and attached at both ends to both housing parts.
  • FBL Flexible ribbon cable
  • the FBL spirals in the space in accordance with Art a clock spring. With a relative rotation of the housing parts change Winding diameter and number depending on the direction of rotation. Alternatively the FBL windings run along the radially inner and outer walls of the space with the opposite direction of rotation, between the two Line sections a reversal point is present.
  • the external contacting of the rotary connector is generally done by Round conductors, i.e. wires or strands with at least approximately round ones Cross-section. Accordingly, a contact element is required that the round conductor and electrically connects the wires of the ribbon cable.
  • DE 41 19 769 A1 described a rotary connector with such a contact element. It exists from several parallel, mutually insulated metal strips, for example are connected to the wires of the FBL by soldering or welding. The opposite ends of the conductor strips are designed as plug contacts the mating contacts connected to the round conductors can be plugged on.
  • the invention has set itself the task of a Contact element for the secure connection of round conductors to a To develop ribbon cable that is easy to manufacture and contact.
  • a conductor strip has at least one pair of cutting edges, between which a round conductor is located Clamp is insertable.
  • a basic idea of the invention is to direct the round conductor to the Fasten the conductor strip of the contact element, which preferably consists of a Metal. Insulation displacement terminals into which the round conductors are inserted, enable simple and quick contacting. With a suitable distance of Cutting is a permanent, secure contact between the round conductor and the conductor strip guaranteed, the use of a tool for insertion a allows comparatively high clamping force. Because stripping the round conductor is not required before insertion into an insulation piercing clamp, simplified the contacting considerably.
  • the cutting edges are preferably made of Strip level issued, e.g. B. aligned perpendicular to it. Continue to leave two or more pairs of cutting edges for contacting a round conductor provide for the permanently secure connection even in the event of vibrations and Ensure alternating loads, such as in particular in a motor vehicle occur.
  • the connection of the contact element with the FBL is cohesive, with a
  • the conductor strip preferably has a flat surface, for example a tongue, to which one wire of the FBL is fixed.
  • a soldering or Welding on, for example by spot welding or ultrasonic welding.
  • the width of the surface appropriately corresponds approximately to the wire width of the FBL or slightly exceeds it.
  • an FBL is one in particular Suitable flat ribbon cable, which consists of ribbon-shaped copper conductors, which laminated between two plastic films or applied to a plastic film are.
  • the conductor strips of the Contact element one-piece stamped parts to an inexpensive production enable.
  • the insulation displacement clamps are also useful in the stamping process molded. If necessary, individual areas of the Conductor strip, for example in the area of the insulation displacement clamps, around the desired one Arrange the outgoing round conductors and the FBL.
  • the conductor strips of the contact element are connected by one or more insulating support members.
  • the Conductor strips set in a common carrier part.
  • a prefabricated carrier part made of one or more It is a good idea to use components after you have punched out the conductor strips to encapsulate liquid plastic that hardens to the carrier part.
  • the conductor strips be fixed before being fixed Carrier parts are connected by at least one web.
  • the manufacture of the contact element is simplified since only a part of it handle, the conductor strip by one or more carrier parts be attached to each other.
  • the web is then removed, for example by punching. This requires that it be accessible from the outside after the conductor strips are fixed in a carrier part.
  • the web is in an area of the Arranged conductor strips, which protrudes over a carrier part.
  • the web is preferably formed in one piece with the conductor strips, so that all conductors of the contact element together, for example in a stamping process are producible.
  • the web is expediently arranged on the web End of the conductor strip, which is used to fasten the wires of the ribbon conductor is provided. This prevents the web from shaping the Insulation displacement clamps and any necessary exhibitions in this Area obstructed.
  • the insulation displacement terminals are proposed Adjacent conductor strips are offset from one another in the longitudinal direction of the strips to arrange. Especially when a The area of the insulation piercing is unfolded from the strip plane, there are a number of different ones depending on the folding Possibilities of arranging the insulation displacement clamps above, next to or offset one after the other. The length may differ Adjacent conductor strips of the contact element, the location and / or the direction of folding. This is a space-saving arrangement of the conductor strips even then possible if the section formed to the insulation displacement clamps is the width of the remaining strip significantly exceeds. The offset thus allows manufacture All conductor strips of the contact element with a small strip spacing material saving from one sheet.
  • a conductor strip preferably has recesses in those that are angled Areas formed by bending.
  • This configuration offers z. B. when the conductor strip is made from a one-piece blank. In addition to saving material, this also makes the material flexible improved.
  • the bending can e.g. B. with or after punching the blank respectively.
  • the contact element is used in a rotary connector advantageous if the conductor strips have an angle in the strip plane. In this way, the contacting of the round conductor outside of Plane level of the ribbon cable take place so that the radial Diameter of the rotary connector on the one for receiving the turns can restrict necessary space. For example, the Ladder strips at right angles. Alternatively, it is conceivable to have a contact element straight conductor strips to use and a corresponding bend through To fold the ribbon cable.
  • the contact element is preferably locked in the receptacle.
  • Strain relief of the FBL between the contact element and its turns of Advantage is particularly suitable.
  • Strain relief through the cover is particularly suitable.
  • the cover is to improve the strain relief and / or preferably the surface of the housing part in the area of the pressing a roughened, e.g. B. corrugated surface.
  • the Cover also form the strain relief for the round conductor.
  • Fig. 1 shows schematically the structure of a rotary connector. It consists of an inner housing part (1) and an outer housing part (2), the are rotatable against each other.
  • the rotary connector is used, for example Power supply to the airbag in the steering wheel of a motor vehicle, the inner Housing part (1) is placed on the steering axle.
  • the rotary connector closes the ignition device (3) of the airbag to trigger electronics (4), which is stationary is arranged to the body and from the vehicle battery or the electrical system of the Vehicle is powered.
  • the connection of the ignition device (3) and the Trigger electronics (4) with the rotary connector is made via circular conductors (5, 7) Connection points (6, 8) are connected to a ribbon cable (10).
  • the Ribbon cable (10) runs like a clock spring in turns in the space (11) the housing parts (1, 2). If the latter in the direction of the double arrow (9) rotated against each other, the number and diameter of the turns change FBL (10). If the FBL (10) is of sufficient length, this is a continuous one electrical connection over a limited number of revolutions between the Housing parts (1, 2) ensured.
  • Fig. 2 shows schematically an alternative embodiment of the rotary connector, at which a first section (12) of the FBL (10) along the wall of the outer Housing part (2) an opposite winding direction to the second section (13) has on the wall of the inner housing part (1). Between the two Sections (12, 13) is a reversal point (14) of the FBL (10). At a relative rotation of the housing parts (1, 2) in the direction of the double arrow (9) depending on the direction of rotation of one of the sections (12, 13) unwound while the FBL (10) is taken up by the other section (13, 12). To increase functional reliability, it is possible to provide a guide body (15).
  • Fig. 3 the view of a conductor strip (20) of the contact element is shown.
  • the contact element is formed by several such conductor strips (20) are embedded in parallel in a carrier part. Pointing at one end the conductor strip (20) has a surface (21) which is used to contact the wire Flat conductor strip conductor is suitable, for example by welding or soldering.
  • the opposite end of the conductor strip (20) is of a pair of Insulation clips (22, 23) are formed, which are used to contact a round conductor. They are arranged in a section (24) of the conductor strip (20), in which the Material is unfolded several times perpendicular to the plane of the strip. In angled areas (25, 26), the conductor strip has cutouts (27, 28) on that facilitate its shaping.
  • the distance between the cutting edges (29) in the insulation displacement clamps (22, 23) increases from them Base (30) to their opening (31). There are preferably two areas different, approximately constant cutting edge distance, which by a beveled step (32) are separated. In this way, the Round conductor with insulation in the wider area between the cutting edges (29) Pre-fix near the opening (31) before using a tool in the narrower Area near the base (30) of the insulation displacement clamps (29) for making contact Cutting his insulation is pressed. In many cases it is useful to have one Angle (32) in the plane of the conductor strip (20) to be provided allows the insulation displacement terminals (22, 23) outside the plane of the turns of the FBL (10) to be arranged.
  • the offset of the sections (24) is Adjacent conductor strips (20) over the entire width of the contact element from constant amount and sign.
  • the middle conductor strips (20) have the greatest length while the length of the conductor strips (20) to both Edges of the contact element decreases.
  • FIG. 5 is a plan view of the inner housing part (1) Rotary connector according to the invention shown.
  • On its top (50) is one Extension (51) formed, which serves to receive the contact element.
  • the Recording (52) inside the extension (51) is with a cover (53) locked.
  • the housing part (1) with a resilient element (54) provided which a game to a component placed thereon, in particular avoids the steering wheel of a motor vehicle.
  • the opening (55) in the center of the Housing part (1) is provided for receiving a steering column.

Landscapes

  • Multi-Conductor Connections (AREA)
  • Steering Controls (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
EP99402248A 1998-09-30 1999-09-14 Element de contact pour connecter un câble plat avec des conducteurs ronds et connecteur rotatif avec tel élément Withdrawn EP0991151A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19844869A DE19844869A1 (de) 1998-09-30 1998-09-30 Kontaktelement zur Verbindung einer Flachbandleitung mit Rundleitern und Drehverbinder mit einem derartigen Kontaktelement
DE19844869 1998-09-30

Publications (2)

Publication Number Publication Date
EP0991151A2 true EP0991151A2 (fr) 2000-04-05
EP0991151A3 EP0991151A3 (fr) 2000-05-31

Family

ID=7882814

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99402248A Withdrawn EP0991151A3 (fr) 1998-09-30 1999-09-14 Element de contact pour connecter un câble plat avec des conducteurs ronds et connecteur rotatif avec tel élément

Country Status (3)

Country Link
US (1) US6325657B1 (fr)
EP (1) EP0991151A3 (fr)
DE (1) DE19844869A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007009729A1 (fr) * 2005-07-21 2007-01-25 Adc Gmbh Connecteur enfichable autodenudant et dispositif destine aux domaines des telecommunications et de l'informatique
EP2544308A1 (fr) * 2011-07-06 2013-01-09 Robert Bosch Gmbh Élément d'adaptateur destiné à la liaison d'un faisceau de câbles de véhicule automobile avec un câble plat
EP3133696A1 (fr) * 2015-08-19 2017-02-22 Continental Automotive GmbH Dispositif de mise en contact et procede de fabrication
US10431906B1 (en) 2018-07-12 2019-10-01 Ford Global Technologies, Llc Automotive wiring harness flat cable end termination

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19927300C2 (de) * 1999-06-15 2002-01-31 Tyco Electronics Logistics Ag Verbindungsstück
DE19948724A1 (de) * 1999-10-09 2001-04-12 Eaton Corp Eaton Ct Cleveland Verfahren zur Herstellung eines Gehäuses für eine elektrische Verbindungseinrichtung zwischen gegeneinander drehbaren Teilen
DE10116295A1 (de) * 2001-03-31 2002-10-10 Nexans France S A Vorrichtung zur Stromübertragung zwischen zwei Endstellen
US7192293B2 (en) * 2004-10-15 2007-03-20 Delphi Technologies, Inc. Non-reversing short tape coil device
EP2107651A1 (fr) 2008-03-28 2009-10-07 Nexans Agencement doté de plusieurs conducteurs électriques
DE102008020268B4 (de) 2008-04-22 2013-12-24 Nexans Anordnung mit mehreren elektrischen Leitern
DE102010062885A1 (de) 2010-12-13 2012-06-14 Bayerische Motoren Werke Aktiengesellschaft Elektrisch leitende Verbindung

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US4277124A (en) * 1979-10-01 1981-07-07 Amp Incorporated Connector having wire-in-slot connecting means and crimped strain relief
EP0486867A1 (fr) * 1990-11-17 1992-05-27 kabelmetal electro GmbH Dispositif pour la conduction de courant entre deux stations terminales
EP0698943A1 (fr) * 1994-08-23 1996-02-28 Thomas & Betts Corporation Assemblage de connecteur de câble d'une section plate à une section ronde
US5645441A (en) * 1995-05-18 1997-07-08 Niles Parts Co., Ltd. Rotary connector device
DE19704155A1 (de) * 1997-02-04 1998-08-06 Whitaker Corp Gehäuse für einen elektrischen Verbinder und elektrischer Verbinder mit einem Gehäuse und einem metallischen Kontaktelement

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JP2601493Y2 (ja) * 1993-05-21 1999-11-22 矢崎総業株式会社 コネクタ
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Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4277124A (en) * 1979-10-01 1981-07-07 Amp Incorporated Connector having wire-in-slot connecting means and crimped strain relief
EP0486867A1 (fr) * 1990-11-17 1992-05-27 kabelmetal electro GmbH Dispositif pour la conduction de courant entre deux stations terminales
EP0698943A1 (fr) * 1994-08-23 1996-02-28 Thomas & Betts Corporation Assemblage de connecteur de câble d'une section plate à une section ronde
US5645441A (en) * 1995-05-18 1997-07-08 Niles Parts Co., Ltd. Rotary connector device
DE19704155A1 (de) * 1997-02-04 1998-08-06 Whitaker Corp Gehäuse für einen elektrischen Verbinder und elektrischer Verbinder mit einem Gehäuse und einem metallischen Kontaktelement

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007009729A1 (fr) * 2005-07-21 2007-01-25 Adc Gmbh Connecteur enfichable autodenudant et dispositif destine aux domaines des telecommunications et de l'informatique
US7815439B2 (en) 2005-07-21 2010-10-19 Adc Gmbh Insulation displacement plug-in connector and device for telecommunications and data technology
EP2544308A1 (fr) * 2011-07-06 2013-01-09 Robert Bosch Gmbh Élément d'adaptateur destiné à la liaison d'un faisceau de câbles de véhicule automobile avec un câble plat
EP3133696A1 (fr) * 2015-08-19 2017-02-22 Continental Automotive GmbH Dispositif de mise en contact et procede de fabrication
US10431906B1 (en) 2018-07-12 2019-10-01 Ford Global Technologies, Llc Automotive wiring harness flat cable end termination

Also Published As

Publication number Publication date
US6325657B1 (en) 2001-12-04
EP0991151A3 (fr) 2000-05-31
DE19844869A1 (de) 2000-05-11

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