EP2662934B1 - Liaison d'un câble électrique avec une pièce de contact - Google Patents

Liaison d'un câble électrique avec une pièce de contact Download PDF

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Publication number
EP2662934B1
EP2662934B1 EP13450013.1A EP13450013A EP2662934B1 EP 2662934 B1 EP2662934 B1 EP 2662934B1 EP 13450013 A EP13450013 A EP 13450013A EP 2662934 B1 EP2662934 B1 EP 2662934B1
Authority
EP
European Patent Office
Prior art keywords
conductor
cable
contact part
sleeve
connection
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.)
Active
Application number
EP13450013.1A
Other languages
German (de)
English (en)
Other versions
EP2662934A3 (fr
EP2662934A2 (fr
Inventor
Karl Franz Fröschl
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.)
Gebauer and Griller Kabelwerke GmbH
Original Assignee
Gebauer and Griller Kabelwerke 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 Gebauer and Griller Kabelwerke GmbH filed Critical Gebauer and Griller Kabelwerke GmbH
Publication of EP2662934A2 publication Critical patent/EP2662934A2/fr
Publication of EP2662934A3 publication Critical patent/EP2662934A3/fr
Application granted granted Critical
Publication of EP2662934B1 publication Critical patent/EP2662934B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-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
    • H01R4/58Electrically-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 characterised by the form or material of the contacting members
    • H01R4/62Connections between conductors of different materials; Connections between or with aluminium or steel-core aluminium conductors
    • H01R4/625Soldered or welded connections
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R11/00Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
    • H01R11/11End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
    • H01R11/12End pieces terminating in an eye, hook, or fork
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-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
    • H01R4/02Soldered or welded connections
    • H01R4/023Soldered or welded connections between cables or wires and terminals
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/02Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for soldered or welded connections
    • H01R43/0214Resistance welding

Definitions

  • the invention relates to a connection of an electrical cable with the features of the preamble of claim 1.
  • the invention further relates to a method for producing a connection of an electric cable having the features of the preamble of claim 8.
  • a connection of an electrical cable to a contact part is known in which an insulation of the cable is removed in an end region of the cable and a sleeve made of aluminum or an aluminum alloy is inserted over the stripped part of the cable and pressed with the cable. Through the open end of the sleeve through the contact part is welded to the cable.
  • connection of power supply lines in particular those made of aluminum or aluminum alloys, which are increasingly preferred because of their price and weight, especially in the automotive compared to those made of copper or copper alloys, with contact parts made of copper or copper alloys, a resistance without resistance, mechanically strong and corrosion - free or . corrosion-resistant compound.
  • the contact part is welded to the cable through the end wall, the welded connection between the cable and the contact part is completely sealed from the environment and thus protected against particularly saline liquids, which corrosion between parts with different electrochemical potential, in the present case the cable made of aluminum or an aluminum alloy and the contact part of copper or a copper alloy, promote.
  • the close calibration of the contact part through the bottom of the aluminum can also increases or ensures the lateral tensile strength of the contact part at a high or even level.
  • the drawings show an embodiment of a contact part 1 according to the invention, which is to be connected to a cable 2.
  • the contact part 1 may, for example, as in the AT 510 475 A described Kontäktteil be executed and consists essentially of a first portion 4 and a second portion 5, which is arranged approximately at right angles to the first portion 4.
  • the first section 4 has an opening 6 through which a screw, not shown, can be inserted in order to connect the contact part according to the invention with another electrical component, for example with a vehicle battery.
  • the second section 5 serves to connect the contact part 1 to the cable 2, the electrical conductor 7 is either solid or may have a plurality of electrical wires or strands 7.
  • the electrical conductor 7 is surrounded in a known manner by an insulation 8, which ends at a certain distance from the end 9 of the electrical conductor 7.
  • the end 9 of the electrical conductor 7 is surrounded by a connecting cap 10, which has a sleeve 11 and an end wall 12.
  • the sleeve 11 is in a region 13 which is spaced from the end 9 and the end face of the conductor 7, with this mechanically compressed.
  • the conductor 7 located under the rear portion 13 is pressed together more strongly than that under the front portion of the sleeve 11 lying portion of the conductor 7, whereby the conductor 7 is supported from the rear, while the contact part 1 is pressed during welding against the end wall 12 and subsequently against the conductor 7 and penetrates into this, as will be explained in more detail below ,
  • connection cap 10 and the electrical conductor 7 are made of aluminum or an aluminum alloy.
  • the contact part 1 is made of copper or a copper alloy and may optionally be coated with a nickel layer.
  • the second section 5 of the contact part 1 has a projection 14 with a contact surface or end face 15 with a three-dimensional shape, which is increased in a central region with respect to an edge region surrounding the middle region.
  • the end face 15 has in the illustrated embodiment, approximately the shape of a spherical cap with a constant radius of curvature. It is within the scope of the invention, however, also possible to use other surfaces in which, for example, the radius of curvature in the central region is greater than in the edge region or vice versa, as would be the case for example with a segment of an ellipsoid of revolution. Also, a substantially conical end face 15 would be conceivable, for example.
  • the contact part 1, in particular the central region of the projection 14, has a projecting region, since then, at the first contact with the end wall 12, well-defined conditions exist spatially and with respect to the resistance at the start of the welding process, which results in a reduced scattering of the Results in the series process.
  • the end face 15 is adjoined by a section with a cylindrical outer surface 16 and, in turn, by a flange 17.
  • connection of the contact part 1 according to the invention with the electrical conductor 7 of the cable 2 takes place for example so that First, the central region 15 is applied to the end wall 12 of the connection cap 10 and an electrical voltage is applied to the contact part 1 and the connection cap 10 to weld the contact part 1 and the conductor 7 together with the connection cap 10 by a resistance welding process. At the same time, the contact part 1 and the connection cap 10 are pressed against each other.
  • the end wall 12 begins to melt in the contact region with the end wall 15 of the contact part 1, the contact part 1 itself but not, so that the projection 14 through the end wall 12 by and subsequently also melts into the conductor 7, when these parts are pressed further and further together.
  • the wall thickness of the end wall 12 is preferably slightly smaller than the wall thickness of the sleeve 11 so that it can be easily melted through during the welding process, but the sleeve 11 is sufficiently stable or remains.
  • the melt of the conductor 7 begins to flow towards the edge region and fills the free space between the connecting cap 10 and the conductor 7, since the end wall 12 prevents melt flows out to a significant extent to the outside.
  • the conductor 7 is preferably a stranded cable, the melt can also flow between the strands and spread there, so that a total of a very large-scale, compact and strong welded joint between the contact part 1 and the conductor 7 and the connecting cap 10 is formed, so that the weld also has only a low electrical resistance and is protected against corrosion.
  • the contact part 1 is also welded to the connection cap 10 or its end wall 12, the current flow is preferred maintained until the in Fig. 2 or 4 and 5 shown position is reached, in which the contact part 1 rests with its flange 17 on the connecting cap 10 and the connecting cap 10 also welded to the flange 17 - additionally results in a very strong mechanical connection, in particular a very high lateral tensile strength ,
  • Fig. 4 an ideal welded connection between the contact part 1, the conductor 7 and the connecting cap 10 is shown, in which the projection 14 is received exactly centered in the sleeve 11.
  • the diameter of the outer surface 16 of the projection 14 is preferably slightly smaller than the inner diameter of the sleeve 11, so that the melt can also spread into the gap 18 therebetween, which improves the connection both electrically and mechanically.
  • this gap also has the advantage that positioning errors of the contact part 1 with respect to the connection cap 10 at the beginning of the welding process can be tolerated, so do not disturb the welding process, which is particularly important in an automated manufacturing process, because then positioning errors to disturbances in the process or Lead the committee.

Landscapes

  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)

Claims (8)

  1. Connexion d'un câble électrique (2) qui comporte un conducteur (7), de préférence un conducteur (7) présentant des torons, en aluminium ou en alliage d'aluminium et une isolation (8) entourant celui-ci, avec une partie de contact (1) faite de cuivre ou d'un alliage de cuivre, dans lequel l'isolation (8) du câble (2) est ôtée dans une zone située avant une extrémité (9) du câble (2), dans lequel est prévu un manchon (11) fait d'aluminium ou d'un alliage d'aluminium qui renferme au moins par zones la partie dénudée du câble (2) et qui est pressé avec le conducteur (7) du câble (2), dans lequel la partie de contact (1) présente une première section (4) qui est reliée à un autre composant et une deuxième section (5) avec une face d'extrémité (15) soudée au conducteur (7), la face d'extrémité (15) présentant une forme tridimensionnelle qui est surélève dans une zone médiane par rapport à une zone de bord entourant la zone médiane, caractérisée en ce qu'il est prévu un capuchon de connexion (10) qui comporte le manchon (11) et une paroi d'extrémité (12) et en ce que la partie de contact (1) est soudée par soudage par résistance au capuchon de connexion et, à travers la paroi d'extrémité (12), au conducteur (7).
  2. Connexion selon la revendication 1, caractérisée en ce que la paroi d'extrémité (12) a une épaisseur de paroi inférieure que le manchon (11).
  3. Connexion selon la revendication 1 ou 2, caractérisée en ce que la partie de contact (1) est creuse dans la région de la face d'extrémité (15).
  4. Connexion selon l'une des revendications 1 à 3, caractérisée en ce que la deuxième section présente une zone faisant suite à la face d'extrémité (15) et ayant une surface extérieure (16) à peu près cylindrique, dont le diamètre est plus petit que le diamètre intérieur du manchon (11) dans la région de la paroi d'extrémité (12).
  5. Connexion selon la revendication 4, caractérisée en ce qu'une bride (17) reposant contre la paroi d'extrémité (12) ou l'extrémité du manchon (11) et/ou au moins partiellement soudée à celle-ci se raccorde à la zone comportant la surface extérieure cylindrique (16).
  6. Connexion selon l'une des revendications 1 à 5, caractérisée en ce que le manchon (11) est pressé de façon plastique vers l'intérieur sur une partie (13) de sa longueur seulement.
  7. Connexion selon la revendication 6, caractérisée en ce que la partie (13) du manchon (11) pressée de façon plastique vers l'intérieur est distante de la paroi d'extrémité (12).
  8. Procédé pour la connexion d'un câble électrique (2) qui comporte un conducteur (7), de préférence un conducteur (7) présentant des torons, en aluminium ou en alliage d'aluminium et une isolation (8) entourant celui-ci, avec une partie de contact (1) faite de cuivre ou d'un alliage de cuivre qui présente une première section (4) destinée à être connectée à un autre composant et une deuxième section (5) avec une face d'extrémité (15) destinée à être soudée avec le conducteur (7), la face d'extrémité (15) présentant une forme tridimensionnelle qui est surélève dans une zone médiane par rapport à une zone de bord entourant la zone médiane, dans lequel l'isolation (8) du câble (2) a été ôtée dans une zone située avant une extrémité (9) du câble (2) et dans lequel un manchon (11) composé d'aluminium ou d'un alliage d'aluminium est posé sur la partie dénudée du câble (2) et pressé avec le conducteur (7) du câble (2), caractérisé en ce que la zone médiane est posée sur une paroi d'extrémité (12) d'un capuchon de connexion (10) et une tension électrique est appliquée à la partie de contact (1) et au capuchon de connexion (10), et en ce que la partie de contact (1) est soudée au capuchon de connexion (10) et, à travers la paroi d'extrémité (12), au conducteur (7) par un procédé de soudage par résistance.
EP13450013.1A 2012-05-11 2013-04-08 Liaison d'un câble électrique avec une pièce de contact Active EP2662934B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT5682012A AT512881B1 (de) 2012-05-11 2012-05-11 Verbindung eines elektrischen Kabels mit einem Kontaktteil und Verfahren zur Herstellung dieser Verbindung

Publications (3)

Publication Number Publication Date
EP2662934A2 EP2662934A2 (fr) 2013-11-13
EP2662934A3 EP2662934A3 (fr) 2014-05-14
EP2662934B1 true EP2662934B1 (fr) 2018-09-26

Family

ID=48128247

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13450013.1A Active EP2662934B1 (fr) 2012-05-11 2013-04-08 Liaison d'un câble électrique avec une pièce de contact

Country Status (2)

Country Link
EP (1) EP2662934B1 (fr)
AT (1) AT512881B1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2887459B1 (fr) * 2013-12-17 2017-11-15 Nexans Procédé de liaison électrique d'un conducteur à base d'aluminium avec une pièce de contact
DE102014112701A1 (de) 2014-09-03 2016-03-03 Harting Electric Gmbh & Co. Kg Crimpkontakt
DE102014118505A1 (de) 2014-12-12 2016-06-16 Harting Kgaa Crimphülse, Crimpkontakt und Crimpverfahren
EP3379652B1 (fr) * 2017-03-24 2021-04-28 Nexans Dispositif pour contacter un conducteur électrique et procédé à cet effet
DE102018127729A1 (de) * 2018-11-07 2020-05-07 Auto-Kabel Management Gmbh Verfahren zur Herstellung eines Anschlussteils für elektrische Anlagen, Anschlussteil sowie Verbindung eines Anschlussteils mit einem Kabel

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2815497A (en) * 1953-04-23 1957-12-03 Amp Inc Connector for aluminum wire
US2806215A (en) * 1953-11-04 1957-09-10 Aircraft Marine Prod Inc Aluminum ferrule-copper tongue terminal and method of making
US3988563A (en) * 1972-11-09 1976-10-26 Amp Incorporated Welding method and means using foil electrode
US5427546A (en) * 1993-12-16 1995-06-27 Methode Electronics, Inc. Flexible jumper with snap-in stud
EP2131448B1 (fr) * 2008-06-06 2012-01-18 Schulte & Co. GmbH Procédé de raccordement d'un composant électrique et d'un conducteur électrique flexible
DE102008031588B4 (de) * 2008-07-03 2011-03-24 Lisa Dräxlmaier GmbH Kontaktierung von Leichtmetallleitungen
AT510475B1 (de) * 2010-10-13 2013-02-15 Gebauer & Griller Anschlussteil für einen elektrischen leiter

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
AT512881A1 (de) 2013-11-15
EP2662934A3 (fr) 2014-05-14
AT512881B1 (de) 2014-03-15
EP2662934A2 (fr) 2013-11-13

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