EP2747205A1 - Procédé de liaison électrique conductrice d'un conducteur torsadé avec un élément de contact - Google Patents

Procédé de liaison électrique conductrice d'un conducteur torsadé avec un élément de contact Download PDF

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Publication number
EP2747205A1
EP2747205A1 EP12306605.2A EP12306605A EP2747205A1 EP 2747205 A1 EP2747205 A1 EP 2747205A1 EP 12306605 A EP12306605 A EP 12306605A EP 2747205 A1 EP2747205 A1 EP 2747205A1
Authority
EP
European Patent Office
Prior art keywords
contact element
conductor
stranded conductor
wires
electrically conductive
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.)
Granted
Application number
EP12306605.2A
Other languages
German (de)
English (en)
Other versions
EP2747205B1 (fr
Inventor
Helmut Dr. Steinberg
Udo Dr. Mayer
Johannes Denteler
Sunhilde Fleischer
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.)
Bayerische Motoren Werke AG
Nexans SA
Original Assignee
Bayerische Motoren Werke AG
Nexans 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 Bayerische Motoren Werke AG, Nexans SA filed Critical Bayerische Motoren Werke AG
Priority to EP12306605.2A priority Critical patent/EP2747205B1/fr
Priority to US14/102,863 priority patent/US20140165394A1/en
Priority to BRBR102013032275-0A priority patent/BR102013032275A2/pt
Publication of EP2747205A1 publication Critical patent/EP2747205A1/fr
Application granted granted Critical
Publication of EP2747205B1 publication Critical patent/EP2747205B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/04—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for forming connections by deformation, e.g. crimping tool
    • H01R43/048—Crimping apparatus or processes
    • 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
    • H01R4/10—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
    • H01R4/18—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
    • H01R4/187—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping combined with soldering or welding
    • 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
    • H01R4/58—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 characterised by the form or material of the contacting members
    • H01R4/62—Connections between conductors of different materials; Connections between or with aluminium or steel-core aluminium conductors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/02—Apparatus 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
    • H01R43/0207—Ultrasonic-, H.F.-, cold- or impact welding
    • 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
    • H01R4/58—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 characterised by the form or material of the contacting members
    • H01R4/62—Connections between conductors of different materials; Connections between or with aluminium or steel-core aluminium conductors
    • H01R4/625—Soldered or welded connections
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49117—Conductor or circuit manufacturing
    • Y10T29/49174—Assembling terminal to elongated conductor
    • Y10T29/49179—Assembling terminal to elongated conductor by metal fusion bonding
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49117—Conductor or circuit manufacturing
    • Y10T29/49174—Assembling terminal to elongated conductor
    • Y10T29/49181—Assembling terminal to elongated conductor by deforming
    • Y10T29/49185—Assembling terminal to elongated conductor by deforming of terminal

Definitions

  • the invention relates to a method of electrically connecting a stranded conductor having a plurality of aluminum-containing wires, with an electrical contact element, in which a component consisting of metal is attached to the conductor by crimping ( EP 2 001 085 B1 ).
  • Aluminum-containing conductors are being used more and more often as a replacement for copper conductors, for example in automotive and aircraft technology.
  • the aluminum-containing conductors used therein are made of either aluminum or an aluminum alloy.
  • a significant advantage of such electrical conductors is compared to copper lighter weight.
  • the lower electrical conductivity of aluminum compared to copper, however, is of minor importance for most applications.
  • a disadvantage of these conductors is the fact that aluminum reacts with oxygen, forming electrically insulating oxide layers surrounding the wires of a corresponding conductor.
  • the invention has the object of developing the initially described method so that the contact point between the conductor and the contact element is effectively protected against vibrations.
  • the electrically conductive connection between the contact element and the conductor and the mechanical discharge of the contact point are separated from each other, but using a one-piece component.
  • the electrically conductive connection is made, for example by ultrasonic welding, so that optionally present oxide layers are broken, so that the electrically conductive material of the conductor is connected directly to the contact element. Oxide layers, which optionally form after completion of the contact point, remain without influence.
  • the mechanical relief of the contact point is achieved by the crimped holding part, which surrounds the conductor in the immediate vicinity of the contact point sufficiently strong, so that neither bending loads nor tensile loads and in particular coarser vibrations can not affect the contact point even in the long term. It is important that the holding part is only the mechanically stable fixing of the conductor, while the electrical connection is made directly between the conductor and the contact element.
  • Fig. 1 schematically illustrated contact element 1 consists for example of copper. But it can also consist of another good electrically conductive metal.
  • the contact element 1 is to be used for example in motor vehicles. It is connected in the case of installation with electrical contact parts, which are attached for example to a starter, an electric motor or other, electrical current leading devices. The connection can be made for example by plugging, screwing or welding.
  • the contact element 1 is according to Fig. 1 a flat component with an approximately rectangular cross-section. It can also have a different geometric shape. Integral with the contact element 1 is a suitable for a crimping holding part 2 is connected.
  • a with the contact element 1 both electrically and mechanically to be connected electrical conductor is according to Fig. 2 a stranded conductor 3 - hereinafter referred to as "conductor 3" called - which consists of a plurality of combined into a unit wires 4.
  • the wires 4 may, for example, be stranded together. They consist in the present case of aluminum or an aluminum alloy.
  • the conductor 3, which is readily bendable as a stranded conductor by the construction, is surrounded by an insulation 5, which is removed from the end of the conductor 3 for carrying out the method according to the invention.
  • an arrangement which ensures that oxide layers are broken, which surround the individual wires 4 of the conductor 3. This ensures that the electrically conductive material of the conductor 3 and the wires 4 thereof is electrically connected after completion of the process with the contact element 1.
  • Such an arrangement is in a preferred embodiment, an ultrasonic welding machine. But it could also be used, for example, an electric welding system, whose current strength is high enough to destroy the oxide layers or which is coupled with a mechanical system, through which the mentioned oxide layers are broken.
  • the conductor 3 - as described - initially without actuation of the holding part 2 are connected to the contact element 1.
  • the holding part 2 is then crimped around the conductor 3 after completion of the electrically conductive connection between the conductor 3 and the contact element 1 for mechanical relief of the contact point 6.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
EP12306605.2A 2012-12-18 2012-12-18 Procédé de liaison électrique conductrice d'un conducteur torsadé avec un élément de contact Active EP2747205B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP12306605.2A EP2747205B1 (fr) 2012-12-18 2012-12-18 Procédé de liaison électrique conductrice d'un conducteur torsadé avec un élément de contact
US14/102,863 US20140165394A1 (en) 2012-12-18 2013-12-11 Method for electrically conductively connecting a stranded conductor to a contact element
BRBR102013032275-0A BR102013032275A2 (pt) 2012-12-18 2013-12-16 Método para a conexão elétrica de um condutor de fios com um elemento de contato

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP12306605.2A EP2747205B1 (fr) 2012-12-18 2012-12-18 Procédé de liaison électrique conductrice d'un conducteur torsadé avec un élément de contact

Publications (2)

Publication Number Publication Date
EP2747205A1 true EP2747205A1 (fr) 2014-06-25
EP2747205B1 EP2747205B1 (fr) 2021-04-14

Family

ID=47623885

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12306605.2A Active EP2747205B1 (fr) 2012-12-18 2012-12-18 Procédé de liaison électrique conductrice d'un conducteur torsadé avec un élément de contact

Country Status (3)

Country Link
US (1) US20140165394A1 (fr)
EP (1) EP2747205B1 (fr)
BR (1) BR102013032275A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3270464A1 (fr) 2016-07-13 2018-01-17 Nexans Procede de raccordement d'un element de contact a un conducteur electrique

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6989560B2 (ja) * 2019-04-22 2022-01-05 矢崎総業株式会社 端子付き電線の製造方法および電線の制振方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3717842A (en) * 1971-02-26 1973-02-20 Perfection Electrical Prod Inc Method of connecting aluminum wire to electrical terminals
DE2250836A1 (de) * 1971-10-18 1973-04-26 Essex International Inc Verfahren zur herstellung elektrischer leiter
EP2001085A1 (fr) * 2007-06-06 2008-12-10 Nexans Procédé de fabrication d'une liaison électrique conductrice

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4634213A (en) * 1983-04-11 1987-01-06 Raychem Corporation Connectors for power distribution cables
JP2000299140A (ja) * 1999-04-15 2000-10-24 Yazaki Corp 電線と接続端子の接続方法及び接続構造
EP1461179B1 (fr) * 2001-11-24 2016-01-20 Delphi Technologies, Inc. Perfectionnements apportes a des faisceaux de cables
US20070068991A1 (en) * 2005-09-23 2007-03-29 Handel Jeffrey M Ultrasonic welding system
DE102006021422B8 (de) * 2006-05-05 2008-06-26 Schunk Ultraschalltechnik Gmbh Verfahren zur Herstellung eines Durchgangs- oder Endknotens sowie Durchgangs- oder Endknoten
DE102008031588B4 (de) * 2008-07-03 2011-03-24 Lisa Dräxlmaier GmbH Kontaktierung von Leichtmetallleitungen
JP5428789B2 (ja) * 2008-11-19 2014-02-26 株式会社オートネットワーク技術研究所 端子金具付き電線及び端子金具付き電線の製造方法
JP2010251287A (ja) * 2009-03-23 2010-11-04 Autonetworks Technologies Ltd 端子金具付き電線の製造方法
JP5437741B2 (ja) * 2009-08-24 2014-03-12 矢崎総業株式会社 超音波溶接装置及びその方法
JP5458931B2 (ja) * 2010-02-15 2014-04-02 日立金属株式会社 端子付き電線
JP2011060778A (ja) * 2010-11-30 2011-03-24 Hitachi Cable Ltd 接続端子、接続端子付きアルミケーブル
US8826533B2 (en) * 2011-06-24 2014-09-09 Delphi Technologies, Inc. Crimp connection to aluminum cable
JP2014211953A (ja) * 2013-04-17 2014-11-13 矢崎総業株式会社 電線の接続方法，接続装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3717842A (en) * 1971-02-26 1973-02-20 Perfection Electrical Prod Inc Method of connecting aluminum wire to electrical terminals
DE2250836A1 (de) * 1971-10-18 1973-04-26 Essex International Inc Verfahren zur herstellung elektrischer leiter
EP2001085A1 (fr) * 2007-06-06 2008-12-10 Nexans Procédé de fabrication d'une liaison électrique conductrice

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3270464A1 (fr) 2016-07-13 2018-01-17 Nexans Procede de raccordement d'un element de contact a un conducteur electrique

Also Published As

Publication number Publication date
BR102013032275A2 (pt) 2014-09-02
EP2747205B1 (fr) 2021-04-14
US20140165394A1 (en) 2014-06-19

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