EP2416457B1 - Procédé de mise en contact électrique de fils conducteurs - Google Patents

Procédé de mise en contact électrique de fils conducteurs Download PDF

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Publication number
EP2416457B1
EP2416457B1 EP11168870.1A EP11168870A EP2416457B1 EP 2416457 B1 EP2416457 B1 EP 2416457B1 EP 11168870 A EP11168870 A EP 11168870A EP 2416457 B1 EP2416457 B1 EP 2416457B1
Authority
EP
European Patent Office
Prior art keywords
wires
contact element
contact
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
EP11168870.1A
Other languages
German (de)
English (en)
Other versions
EP2416457A1 (fr
Inventor
Reiner Ramsayer
Ingo Kesel
Jens Koenig
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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Publication date
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Publication of EP2416457A1 publication Critical patent/EP2416457A1/fr
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Publication of EP2416457B1 publication Critical patent/EP2416457B1/fr
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    • 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
    • H01R4/10—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
    • 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
    • H01R43/0228—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 without preliminary removing of insulation before 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
    • H01R4/10—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
    • H01R4/20—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 using a crimping sleeve
    • H01R4/203—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 using a crimping sleeve having an uneven wire-receiving surface to improve the contact

Definitions

  • the invention relates to a method for electrical contacting of wires according to the preamble of claim 1.
  • Such a method is known from FR 2 912 000 A1 known.
  • the known method is for connecting poles of batteries and has a sleeve-shaped connecting element, which is deformed by the action of an electromagnetic pulse such that an electrically conductive connection between wires is produced, which are arranged radially inside the connecting element.
  • the present invention seeks to provide a method for electrical contacting of wires
  • the preamble of claim 1 further develop such that a secure electrical contact with insulating layers having wires is made possible when many wires are in an annular space between two concentric sleeve-shaped elements.
  • At least one sleeve-shaped contact element is used and that the wires are arranged in the connection area within the at least one contact element.
  • a sleeve-shaped contact element in this case, in particular a defined and secure guidance of the wire ends is achieved.
  • the at least one sleeve-shaped contact element in the connection region with the wires on the side facing the wires has a structured surface from the surveys, the at least one frictional and electrically conductive connection with the wires when forming the connection with the wires received.
  • Such a configuration also makes it possible to use wires which have an insulation layer, for example a lacquer layer or an insulation consisting of plastic, in the connection region, without the lacquer or insulation layer having to be removed for this purpose.
  • an insulation layer for example a lacquer layer or an insulation consisting of plastic
  • the elevations in the form of sharp-edged elevations, in particular in the form of points, edges or the like are formed.
  • a plurality of sleeve-shaped contact elements having different diameters are used, which are arranged concentrically with one another, that the wires are each in the intermediate space are arranged between two contact elements and that the sleeve-shaped contact elements each have a structured surface on the sides facing the wires.
  • the structured surface in particular causes a break-up or destruction of the lacquer or insulation layer of the wire ends.
  • the sleeve-shaped contact element has a higher mechanical strength than the wires. Therefore, for example, aluminum or copper are used as materials for the contact element. In addition, it may also be useful in individual cases, if the sleeve or the contact element is made of a different material, for example steel. In this case, a particularly secure frictional or positive connection between the structured surface and the wire is produced.
  • the wires are arranged with play to the sleeve-shaped element.
  • a device 10 for establishing an electrical connection between wires 1 in a connection region 2 is shown.
  • a connection is made between a plurality of wires 1 in the connection region 2.
  • the connection of the wires 1 takes place at the end regions.
  • the wires 1 are, in particular, insulated wires, for example enamelled wires or wires 1 with an insulating layer, as in the US Pat Fig. 4 and 6 are shown in more detail.
  • the device 10 is used for connecting wires 1, as used in electric motors or generators in the winding of the armature for the anchor winding.
  • the device 10 comprises inter alia a system 11 for generating at least one electromagnetic pulse 3, which in the Fig. 1 only symbolically represented.
  • a sleeve-shaped contact element 15 is preferably used, at least in the connection region 2.
  • the contact element 15 in this case consists of an electrically conductive material, in particular metal. As materials in particular aluminum or copper, but in some cases, for example, steel, in question.
  • the contact element 15 comprises in addition to the sleeve-shaped contact portion 16, a terminal lug 17 which is integrally formed on the sleeve-shaped contact portion 16. By means of the contact portion 16, the contact element 15 can be electrically connected to other elements.
  • the contact element 15 is preferably formed as a drawn tube. Alternatively, it may be designed or manufactured as a longitudinally welded pipe, deep-drawn part, stamped / bent part or in any other suitable manner.
  • the sleeve-shaped contact element 15 has a smooth or even inside, wherein the inside serves as an electrically conductive contact surface for at least one wire 1 or several wires 1.
  • the insulating layer at the end portions of the wires 1 is removed. Such removal may be accomplished either by mechanical means or otherwise.
  • the individual wires 1 are introduced into the sleeve-shaped contact section 16 of the contact element 15 and connected within the device 10 by generating the electromagnetic pulse 3 with the inner wall of the sleeve-shaped contact element 15.
  • the contact element 15a, 15b has a structured surface 18.
  • the surface 18 on the inside of the contact element 15a thereby with a plurality of juxtaposed and stacked elevations 19, for example in the form of pyramids, cones or the like, equipped.
  • elevations 19 are in particular by a Embossing process at the intended contact surface to the wires 1 generated, ie on the inside of the contact element 15 a.
  • the structured surface 18a is formed in the form of circumferential on the inner wall of the contact element 15b grooves 21.
  • the grooves 21 and their peripheral edge 22 act as cutting, which in the generation of the electromagnetic pulse 3 in the Fig. 4 Pierced paint layer 5 of the wire 1 in the region of the edges pierced and dig into the actual wire 1.
  • an insulating layer made of plastic may be provided on the wire 1.
  • each sleeve-shaped contact elements 15c, 15d comprises two concentrically arranged, each sleeve-shaped contact elements 15c, 15d.
  • the contact element 15c has a smaller diameter than the contact element 15d.
  • the individual wires 1 are arranged in the annular inner space 24 formed between the two contact elements 15c and 15d.
  • both contact elements 15c, 15d each have a structured surface 18 on the side facing the wires 1.
  • the Fig. 6 the case is shown in which two layers of wires 1 are arranged between the two contact elements 15c and 15d. In this case, the one, radially inner wire 1 is electrically contacted with the inner contact element 15c, while the other, radially outer wire 1 makes an electrical connection with the outer contact element 15d.
  • the inner contact element 15c may also be formed from solid material or a spike-like manner. It is only essential that between the individual contact elements 15c, 15d an annular inner space 24 for receiving wires 1 is formed in each case.
  • the individual wires 1 for forming the connection with play in the contact elements 15, 15a to 15d.
  • the game should in particular allow easy installation of the wires 1 in the respective contact element 15, 15a to 15d and therefore be as large as possible, but on the other hand, not affect the electrical connection of the wires 1 negative.
  • the clearance between a wire 1 and the facing contact surface of the contact element 15, 15a to 15d is between about 0.1mm and 1.0mm. If a plurality of wires 1 connected to the contact element 15, 15a to 15d, the game can also be up to a multiple of the single wire diameter.
  • This has a contact area 25 with out of the FIGS. 2 and 3 known elevations 19 and a structured surface 18 b, and one of them in the longitudinal direction, preferably on the side facing the wires 1 side clamping region 26th
  • the state is shown after the electromagnetic pulse 3 has made the connection between the wires 1 and the contact element 15e. It can be seen that the clamping region 26 has been deformed under the action of the electromagnetic pulse 3, so that the wires 1 are clamped or clamped in the clamping region 26. As a result, a strain relief on the wires 1 is made possible by the clamping region 26 so that any tensile forces are absorbed via the clamping region 26 and are not transmitted to the contact region 25.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)

Claims (5)

  1. Procédé de mise en contact électrique de fils métalliques (1), selon lequel des fils métalliques (1) sont mis en contact électriquement dans une zone de liaison (2), un élément de contact (15c, 15d) électriquement conducteur étant prévu, lequel est disposé en liaison active avec les fils métalliques (1) dans une zone de contact (16 ; 25) pourvue des fils métalliques (1), au moins une impulsion électromagnétique (3) étant introduite dans les fils métalliques (1) ou dans l'élément de contact (15c, 15d) dans la zone de contact (16 ; 25), laquelle génère une liaison de force ou de matière entre les fils métalliques (1) et l'élément de contact (15c, 15d), au moins un élément de contact (15c, 15d) en forme de douille étant utilisé, et les fils métalliques (1) dans la zone de liaison (2) étant disposés à l'intérieur de l'au moins un élément de contact (15c, 15d),
    caractérisé en ce
    que l'au moins un élément de contact (15c, 15d) en forme de douille, dans la zone de liaison (2) avec les fils métalliques (1), présente au moins dans certaines zones une surface structurée (18 ; 18a ; 18b) sur le côté opposé aux fils métalliques (1), de laquelle ressortent des bossages (19 ; 22) qui, lors de l'établissement de la liaison avec les fils métalliques (1), forment au moins une liaison de force et électriquement conductrice avec les fils métalliques (1), en ce que les bossages (19 ; 22) sont réalisés sous la forme de bossages (19 ; 22) à angles vifs, notamment sous la forme de pointes, d'arêtes ou similaires, en ce que les fils métalliques (1) présentent dans la zone de liaison (2) une couche isolante (5), notamment une couche de vernis, en ce que la couche isolante (5) est détruite au moins dans certaines zones de la surface structurée (18 ; 18a ; 18b) lors de la formation de la liaison électrique, en ce que plusieurs éléments de contact (15c, 15d) en forme de douille ayant des diamètres différents sont utilisés, lesquels sont disposés de manière concentrique les uns par rapport aux autres, les fils métalliques (1) étant respectivement disposés dans l'espace intermédiaire (24) entre deux éléments de contact (15c, 15d), et en ce que les éléments de contact (15c, 15d) en forme de douille présentent respectivement une surface structurée (18 ; 18a) sous la forme de bossages (19 ; 22) à angles vifs sur les côtés opposés aux fils métalliques (1).
  2. Procédé selon la revendication 1, caractérisé en ce que l'élément de contact (15c, 15d) possède une zone de serrage (26) dans la zone de laquelle les fils métalliques (1) sont maintenus serrés après l'introduction de l'impulsion électromagnétique (3) et en ce que la zone de serrage (26) est disposée espacée de la surface structurée (18 ; 18a).
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que l'élément de contact (15c, 15d) en forme de douille présente une solidité mécanique supérieure à celle des fils métalliques (1).
  4. Procédé selon l'une des revendications 1 à 3, caractérisé en ce que les fils métalliques (1) sont disposés avec un jeu radial à l'intérieur de l'élément de contact (15d) en forme de douille en vue du montage.
  5. Utilisation d'un procédé selon l'une des revendications 1 à 4 lors de la mise en contact de fils de bobinage des bobinages d'induit sur des moteurs électriques ou des générateurs.
EP11168870.1A 2010-08-02 2011-06-07 Procédé de mise en contact électrique de fils conducteurs Active EP2416457B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201010038780 DE102010038780A1 (de) 2010-08-02 2010-08-02 Verfahren zur elektrischen Kontaktierung von Drähten

Publications (2)

Publication Number Publication Date
EP2416457A1 EP2416457A1 (fr) 2012-02-08
EP2416457B1 true EP2416457B1 (fr) 2016-04-13

Family

ID=44118282

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Application Number Title Priority Date Filing Date
EP11168870.1A Active EP2416457B1 (fr) 2010-08-02 2011-06-07 Procédé de mise en contact électrique de fils conducteurs

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EP (1) EP2416457B1 (fr)
DE (1) DE102010038780A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2812949B1 (fr) 2012-02-11 2016-04-20 Amphenol-Tuchel Electronics GmbH Connecteur électrique enfichable pour établir une liaison électrique par soudage par ultrasons
CN107123867B (zh) * 2017-06-05 2019-05-10 吉林省中赢高科技有限公司 一种铜端子与铝导线的接头及其磁感应焊接方法
DE102023200734A1 (de) 2023-01-31 2024-08-01 Zf Friedrichshafen Ag Verfahren zum Herstellen eines elektrisch leitfähigen Verbindungselements für ein elektrisches oder elektronisches Bauteil und Verbindungselement

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3510829A (en) * 1965-04-28 1970-05-05 Amp Inc Electrical connector
NL143377C (nl) * 1968-12-26 Amp Inc Elektrisch verbindingsorgaan met binnenste en buitenste buisvormig orgaan om onder tussenklemming van een aardgeleider te worden gekrompen op een coaxiale kabel.
DE102004004742A1 (de) 2004-01-30 2005-08-25 Robert Bosch Gmbh Verfahren zum Bonden von Isolierdraht und Vorrichtung zur Durchführung des Verfahrens
FR2912000A1 (fr) * 2007-01-31 2008-08-01 Powerconn Cable de raccordement de poles de batterie
US7722416B2 (en) * 2008-10-02 2010-05-25 Delphi Technologies, Inc. Electrical connection system for use on aluminum wires

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Publication number Publication date
EP2416457A1 (fr) 2012-02-08
DE102010038780A1 (de) 2012-02-02

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