EP3324493B1 - Verfahren zum anbringen eines kontaktelements am ende eines elektrischen leiters - Google Patents

Verfahren zum anbringen eines kontaktelements am ende eines elektrischen leiters Download PDF

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Publication number
EP3324493B1
EP3324493B1 EP16306498.3A EP16306498A EP3324493B1 EP 3324493 B1 EP3324493 B1 EP 3324493B1 EP 16306498 A EP16306498 A EP 16306498A EP 3324493 B1 EP3324493 B1 EP 3324493B1
Authority
EP
European Patent Office
Prior art keywords
conductor
particles
contact element
composite body
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.)
Active
Application number
EP16306498.3A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3324493A1 (de
Inventor
Helmut Steinberg
Rudolf Derntl
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.)
HERMLE MASCHINENBAU GmbH
Nexans SA
Original Assignee
HERMLE MASCHINENBAU GmbH
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 HERMLE MASCHINENBAU GmbH, Nexans SA filed Critical HERMLE MASCHINENBAU GmbH
Priority to PT163064983T priority Critical patent/PT3324493T/pt
Priority to EP16306498.3A priority patent/EP3324493B1/de
Priority to US15/813,805 priority patent/US10944228B2/en
Priority to CN201711145972.XA priority patent/CN108075340B/zh
Publication of EP3324493A1 publication Critical patent/EP3324493A1/de
Application granted granted Critical
Publication of EP3324493B1 publication Critical patent/EP3324493B1/de
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
    • 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
    • H01R43/16—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for manufacturing contact members, e.g. by punching and by bending
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
    • B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
    • B22F7/08—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools with one or more parts not made from powder
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C24/00—Coating starting from inorganic powder
    • C23C24/02—Coating starting from inorganic powder by application of pressure only
    • C23C24/04—Impact or kinetic deposition of particles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/025—Contact members formed by the conductors of a cable end
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R11/00—Individual 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
    • H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
    • 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
    • H01R43/28—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for wire processing before connecting to contact members, not provided for in groups H01R43/02 - H01R43/26

Definitions

  • the invention relates to a method for attaching a contact element to the end of an electrical conductor according to the preamble of patent claim 1.
  • Such a method is, for example, in DE 2 325 294 A described.
  • DE 2 325 294 A describes a method for producing a contact element at the end of an electrical conductor that does not require mechanical fastening elements.
  • the end of an electrical conductor is heated in such a way that the material of the same melts.
  • the molten metal of the conductor is prevented from dripping off the same. This forms a pear-shaped mass known as a "lump", which is an integral part of the conductor.
  • the nugget is then mechanically deformed into a contact element that can be designed in any number of different ways.
  • the material of the conductor itself is used to form a contact element. The method is thus limited to the material of the conductor.
  • the invention is based on the object of further developing the method described at the outset in such a way that it can be used for any materials of conductor and contact element.
  • composite body is thus electrically conductively connected to the material of the conductor, so that the entire conductive Cross-section of the conductor is detected.
  • the conductor is a multi-wire stranded conductor made, for example, of aluminum or an aluminum alloy.
  • particles continue to impinge on the composite body, gradually depositing a metal body on the composite body pointing away from the conductor. The method is terminated when the metal body has sufficient material to form an electrical contact element.
  • the conductor is advantageously arranged vertically, so that its end face is accessible from above.
  • the particles then advantageously hit the end face of the conductor normal to the surface. Small angular deviations from the surface normal can be permissible. Particles that do not hit the end face of the conductor but are moved past the conductor in its axial direction do not adhere to the surface of the conductor.
  • a tube acting as a nozzle is used to supply the particles, which can also be powder particles.
  • the tube has a constriction in its course, through which the gas flow loaded with the particles receives the required high speed.
  • a basically known "Laval nozzle" is used as the tube.
  • the method can be used for all metallic materials that are suitable as electrical conductors on the one hand and as electrical contact elements on the other. It is of particular advantage that different metals can also be used for the conductor and the contact element to be produced, which metals are firmly connected to form a unit. Influences of corrosion on a contact point can be ruled out when using this method. The electrical contact resistance between conductor and contact element is negligible, even if different metals are used for both parts.
  • the conductor can be made of aluminum, for example, and the contact element can be made of copper, or vice versa. This also applies to alloys these two materials. Brass can also be used, for example, with particular advantage for the contact element. However, it is also possible to use the same material for the conductor and the contact element.
  • In 1 shows the end of an insulated electrical conductor L, which is designed as a stranded conductor consisting of a large number of individual wires 1 .
  • the conductor L has no insulation 2 surrounding it.
  • particles of electrically conductive material are applied at high speed in its axial direction according to the arrow 3, which is higher than the speed of sound. The corresponding procedure is based on 3 explained in more detail below.
  • a compact structure is first produced at the end of the conductor L, which 2 indicated and shown as a shaded composite body 4, which consists of the material of the conductor L on the one hand and the metal applied with the particles on the other hand, which is metallurgically firmly connected to the material of the conductor L in the composite body 4.
  • metal body 5 On the composite body 4, due to the particles made of the electrically conductive material that continue to impinge on the same, an additional layer made only of the material of the particles is formed existing metal body 5 generated. It is metallurgically connected to the composite body 4 . The metal body 5 is in 2 drawn with compared to the composite body 4 different hatching.
  • the method according to the invention is carried out, for example, as follows: To feed particles, for example and advantageously made of copper - hereinafter referred to as "particles" for short - to a conductor L made of aluminum, for example, a tube 6 acting as a nozzle is used, which extends in the axial direction of the conductor L arranged with a vertical course the same is ordered. Gas coming from a gas source 7, advantageously an inert gas, is blown as a gas stream into the tube 6 at its end. Particles, which are contained in a supply 8 of particles, are added to the gas stream before it enters the pipe 6 . The gas stream can be passed through the particles. In any case, the particles are arranged in such a way that they are taken along and transported by the gas flow.
  • the conductor L is arranged in a tool 9 in such a way that only its tip protrudes from the same.
  • the individual wires 1 of the conductor L are held together by the tool 9 and, on the other hand, the insulation 2 of the conductor L is protected from the particles.
  • the tool 9 can advantageously be made in several parts.
  • the gas stream 10 loaded with the particles exits the free end of the tube 6 at a high speed, which is higher than the speed of sound. It hits the face of the conductor L.
  • the gas stream 10 thus has the function of a carrier for the particles, which thereby impinge on the end face of the conductor L at the same speed as the gas.
  • the metal body 5 that has already been described and encompasses the composite body 4 is produced by the particles.
  • the tube 6 is accordingly 3 positioned at a distance from the face of the conductor L. This distance can be changed. It depends on the material of the particles and is between 20 mm and 150 mm, for example.
  • the conductor L is metallurgically bonded at its end to the metal body 5, specifically in the transition area to the compact structure previously referred to as "composite body 4".
  • the metal body 5, which also includes the composite body 4 can then be mechanically formed into a contact element K with any shape for different applications.
  • six examples of possible contact elements K are shown schematically.
  • the contact element K after Figure 5a can be used, for example, as a connection to the pole of a battery as a so-called battery terminal.
  • a contact element K designed as a plug pin is shown.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Composite Materials (AREA)
  • Conductive Materials (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
EP16306498.3A 2016-11-17 2016-11-17 Verfahren zum anbringen eines kontaktelements am ende eines elektrischen leiters Active EP3324493B1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
PT163064983T PT3324493T (pt) 2016-11-17 2016-11-17 Método para instalação de um elemento de contacto na extremidade de um condutor elétrico
EP16306498.3A EP3324493B1 (de) 2016-11-17 2016-11-17 Verfahren zum anbringen eines kontaktelements am ende eines elektrischen leiters
US15/813,805 US10944228B2 (en) 2016-11-17 2017-11-15 Method for attaching a contact element to the end of an electrical conductor
CN201711145972.XA CN108075340B (zh) 2016-11-17 2017-11-17 用于将接触元件附接到电导体端部的方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP16306498.3A EP3324493B1 (de) 2016-11-17 2016-11-17 Verfahren zum anbringen eines kontaktelements am ende eines elektrischen leiters

Publications (2)

Publication Number Publication Date
EP3324493A1 EP3324493A1 (de) 2018-05-23
EP3324493B1 true EP3324493B1 (de) 2023-01-04

Family

ID=57482345

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16306498.3A Active EP3324493B1 (de) 2016-11-17 2016-11-17 Verfahren zum anbringen eines kontaktelements am ende eines elektrischen leiters

Country Status (4)

Country Link
US (1) US10944228B2 (zh)
EP (1) EP3324493B1 (zh)
CN (1) CN108075340B (zh)
PT (1) PT3324493T (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230369788A1 (en) * 2022-05-11 2023-11-16 Hamilton Sundstrand Corporation Method of terminating a wire bundle and a bundled wire electrical connector

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4038743A (en) 1972-05-18 1977-08-02 Essex International, Inc. Terminating and splicing electrical conductors
US4775337A (en) * 1986-12-02 1988-10-04 Universal Manufacturing Corporation Conductive wire with integral electrical terminal
JPH04249875A (ja) * 1991-01-08 1992-09-04 Yazaki Corp 電線を端子化するための成形用電極及び端子化電線
US5960540A (en) * 1996-11-08 1999-10-05 The Whitaker Corporation Insulated wire with integral terminals
JP2005216827A (ja) * 2004-02-02 2005-08-11 Yazaki Corp 電線端末端子及びその製造方法
JP5186528B2 (ja) * 2010-04-23 2013-04-17 日本発條株式会社 導電部材及びその製造方法
CH707565A2 (de) * 2013-02-14 2014-08-15 Brugg Cables Industry Ag Kompaktes Endstück eines elektrischen Leiters.
JP6114632B2 (ja) * 2013-05-29 2017-04-12 矢崎総業株式会社 端子化電線
JP6581331B2 (ja) * 2013-07-29 2019-09-25 デクセリアルズ株式会社 導電性接着フィルムの製造方法、接続体の製造方法
JP6170956B2 (ja) * 2015-03-12 2017-07-26 矢崎総業株式会社 端子化電線用金型

Also Published As

Publication number Publication date
US20180138648A1 (en) 2018-05-17
CN108075340B (zh) 2021-02-02
US10944228B2 (en) 2021-03-09
CN108075340A (zh) 2018-05-25
PT3324493T (pt) 2023-03-29
EP3324493A1 (de) 2018-05-23

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