EP2416457A1 - 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
EP2416457A1
EP2416457A1 EP11168870A EP11168870A EP2416457A1 EP 2416457 A1 EP2416457 A1 EP 2416457A1 EP 11168870 A EP11168870 A EP 11168870A EP 11168870 A EP11168870 A EP 11168870A EP 2416457 A1 EP2416457 A1 EP 2416457A1
Authority
EP
European Patent Office
Prior art keywords
wires
contact element
connection
sleeve
wire
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
EP11168870A
Other languages
German (de)
English (en)
Other versions
EP2416457B1 (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
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP2416457A1 publication Critical patent/EP2416457A1/fr
Application granted granted Critical
Publication of EP2416457B1 publication Critical patent/EP2416457B1/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
    • H01R43/02—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 known method is used for example for the electrical contacting of wire ends in generators or electric motors at the armature or stator windings.
  • usually insulated wires are used for the armature windings whose wire ends are connected to one another by means of a welded or soldered connection, so that the individual wires are in electrical contact with one another.
  • the wires have as insulation either a lacquer layer or a plastic coating. Before welding or soldering the wire ends, they must be freed from their insulation.
  • Such a method requires a relatively high workload and is also technically relatively difficult to monitor.
  • the invention has the object, a method for electrical contacting of wires according to the preamble of claim 1 such that an electrically conductive connection in a relatively simple and economically producible manner can be achieved.
  • a method is thus to be made possible which enables the connection of the wire ends of the individual armature windings in the area of electric motors or generators.
  • the invention is based on the idea of allowing an electrically conductive contact element to connect to the wires, wherein the connection is generated in a connection region by an electromagnetic pulse.
  • a force-fit connection between at least one wire and the contact element is produced in that the two parts to be joined collide with one another at high speed.
  • At least one sleeve-shaped contact element is used and that the wires are arranged in the connection region within the at least one contact element become.
  • the at least one sleeve-shaped contact element has a structured surface in the connection region with the wires on the side facing the wires, starting from the elevations, which form at least one non-positive and electrically conductive connection with the wires when forming the connection with the wires Enter wires.
  • Such an embodiment of the invention 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.
  • the elevations are in the form of sharp-edged elevations, in particular in the form of tips, edges or the like.
  • Such a design enables a secure contacting of the wires through the paint or insulation layer and, moreover, produces a particularly secure frictional connection.
  • a further embodiment of the method according to the invention provides that a plurality of sleeve-shaped contact elements are used with different diameters, which are arranged concentrically to each other and that the wires are each arranged in the space between two contact elements.
  • Such a design has the advantage that a large number of winding layers arranged next to one another can be reliably contacted in a relatively small space. In this case, however, wires should be used, the wire ends have been electrically stripped in advance.
  • a plurality of sleeve-shaped contact elements are used with different diameters, which are arranged concentrically to each other, that the wires are each arranged in the space 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 has 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.
  • 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 multiple 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.
  • an embodiment of the invention is particularly preferred according to the Fig. 2 to 4 in which the contact element 15a, 15b has a structured surface 18 has.
  • the contact element 15a, 15b has a structured surface 18 has.
  • Invention is the surface 18 on the inside of the contact element 15a with a plurality of juxtaposed and stacked elevations 19, e.g. in the form of pyramids, cones or similar. These elevations 19 are produced in particular by an embossing process at the intended contact surface with the wires 1, i. on the inside of the contact element 15a.
  • 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 is intended in particular to allow a simple 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 adversely affect the electrical connection of the wires 1.
  • the clearance between a wire 1 and the facing contact surface of the contact element 15, 15a to 15d is between about 0.1 mm and 1.0 mm. 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 area 26 and do not transfer to the contact area 25.
  • the method according to the invention for the electrical contacting of wires 1 can be modified or modified in many ways without deviating from the idea of the invention.
  • This consists in the use of a contact element 15, in particular a sleeve-shaped contact element 15, 15a to 15e which is connected by means of an electromagnetic pulse 2 with at least one wire 1, preferably with a plurality of wires 1 and their wire ends.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
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 true EP2416457A1 (fr) 2012-02-08
EP2416457B1 EP2416457B1 (fr) 2016-04-13

Family

ID=44118282

Family Applications (1)

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

Country Status (2)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013117339A1 (fr) * 2012-02-11 2013-08-15 Amphenol-Tuchel Electronics Gmbh Connecteur électrique enfichable pour établir une liaison électrique par soudage par ultrasons
EP3637553A4 (fr) * 2017-06-05 2021-02-24 Jilin Zhong Ying High Technology Co., Ltd. Joint entre une borne en cuivre et un fil d'aluminium, et procédé associé de soudage par induction magnétique

Citations (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
US3538239A (en) * 1968-12-26 1970-11-03 Amp Inc Grounding wire connector
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
US20100087105A1 (en) * 2008-10-02 2010-04-08 Gump Bruce S Electrical connection system for use on aluminum wires

Patent Citations (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
US3538239A (en) * 1968-12-26 1970-11-03 Amp Inc Grounding wire connector
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
US20100087105A1 (en) * 2008-10-02 2010-04-08 Gump Bruce S Electrical connection system for use on aluminum wires

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013117339A1 (fr) * 2012-02-11 2013-08-15 Amphenol-Tuchel Electronics Gmbh Connecteur électrique enfichable pour établir une liaison électrique par soudage par ultrasons
US9281573B2 (en) 2012-02-11 2016-03-08 Amphenol Tuchel Electronics Gmbh Electrical plug connector for electrical connection by means of ultrasonic welding
EP3637553A4 (fr) * 2017-06-05 2021-02-24 Jilin Zhong Ying High Technology Co., Ltd. Joint entre une borne en cuivre et un fil d'aluminium, et procédé associé de soudage par induction magnétique
US11069991B2 (en) 2017-06-05 2021-07-20 Jilin Zhong Ying High Technology Co., Ltd. Joint between copper terminal and aluminum wire, and magnetic induction welding method therefor

Also Published As

Publication number Publication date
EP2416457B1 (fr) 2016-04-13
DE102010038780A1 (de) 2012-02-02

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