WO2013092116A1 - Élément de contact pour raccorder une ligne de câble, son procédé de fabrication et procédé pour relier un élément de contact à une ligne de câble - Google Patents

Élément de contact pour raccorder une ligne de câble, son procédé de fabrication et procédé pour relier un élément de contact à une ligne de câble Download PDF

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Publication number
WO2013092116A1
WO2013092116A1 PCT/EP2012/073580 EP2012073580W WO2013092116A1 WO 2013092116 A1 WO2013092116 A1 WO 2013092116A1 EP 2012073580 W EP2012073580 W EP 2012073580W WO 2013092116 A1 WO2013092116 A1 WO 2013092116A1
Authority
WO
WIPO (PCT)
Prior art keywords
contact element
cable line
dome
contact
face
Prior art date
Application number
PCT/EP2012/073580
Other languages
German (de)
English (en)
Inventor
Jürgen Herzig
Manuel Vilsmeier
Original Assignee
Lisa Dräxlmaier 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 Lisa Dräxlmaier GmbH filed Critical Lisa Dräxlmaier GmbH
Publication of WO2013092116A1 publication Critical patent/WO2013092116A1/fr

Links

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
    • 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
    • H01R4/02—Soldered or welded connections
    • H01R4/023—Soldered or welded connections between cables or wires and terminals
    • 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
    • H01R4/02—Soldered or welded connections
    • H01R4/029—Welded connections
    • 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
    • H01R4/28—Clamped connections, spring connections
    • H01R4/50—Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw
    • H01R4/5033—Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw using wedge or pin penetrating into the end of a wire in axial direction of the wire
    • 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
    • H01R43/0214—Resistance welding

Definitions

  • the present application relates to a contact element, which is designed for connecting a cable line to a terminal, which comprises a plurality of individual wires, which form an end face of the cable line. Furthermore, the present application relates to a system of such a contact element and a
  • AI is a contact plug with a
  • Cylinder for receiving stranded wires out.
  • the individual wires of the strand are inserted into the cylinder and
  • Contact element for the end-side welding of the sleeve with the cable line must be specially designed and can not fall back on a standard contact plug.
  • the object of the present invention over the prior art is to provide a contact element for connecting a cable line to a terminal, which is for efficient connection between the cable line and the
  • An inventive contact element which is designed for connecting a cable line to a terminal, wherein the cable line comprises a plurality of individual wires whose front ends define an end face of the cable line, has a dome for connecting the contact element to the cable line by means of contact welding.
  • the dome is designed for connecting the contact element to the cable line by means of contact welding.
  • Document understood, for example, a cylinder jacket-shaped element whose cylinder axis extends substantially parallel to the extension direction of the cable line in the longitudinal section to be contacted. On the other hand, it is
  • the dome has the shape of one or more pins which are inserted into the cable line.
  • the contact welding between the dome and the cable line can in particular be realized in that the cable line and the contact element have different electrical potentials, which lead to a flow of current through the contact points between the contact element and the cable line. Depending on the contact resistance of this current leads to a heating of the contact point and at sufficiently large
  • the dome essentially has a shape of a
  • Hollow cylinder jacket with a cylinder axis which defines a hollow cross-sectional shape perpendicular to the cylinder axis.
  • the cross-sectional shape is selected and dimensioned such that for each of the individual wires of the cable line a maximum distance between the single wire and the dome perpendicular to the
  • Cylinder axis can be maintained. This means that the cross-sectional shape of the dome depends on the size and shape of the dome
  • End face of the cable line is adjusted.
  • the defined perpendicular to the cylinder axis maximum distance between the single wire and the dome is also a measure of the guided from the contact point to the respective individual wire heat. The greater the distance between the contact point and the respective individual wire, the less heat is transferred via heat conduction to the individual wire, so that distant individual wires can no longer be softened in the sense of a contact welding. Therefore, this should be T EP2012 / 073580
  • the Ma imalabstand as a distance between an inner surface of the hollow cylinder jacket and an outer surface of a centrally located within the
  • Hollow cylinder lying lying single wire defined and determined so that a softening of this central single wire by contact welding is possible.
  • the inner diameter of the hollow cylinder jacket is 1.75 times the outer diameter of the individual wires of the cable line or stranded conductor.
  • Cross-sectional shape, for example, of a cloverleaf is preferably 0.3 mm less than an inner diameter of a
  • Embodiment is not only a closed, but also an open form to understand.
  • Hollow cylinder can assume a variety of shapes. It is preferable that the cross-sectional shape forms a cloverleaf shape, a heart shape, an ellipse shape, a ring shape, or a polygonal shape. Set these cross-sectional shapes
  • a hollow cylinder is not only a hollow circular cylinder
  • each body is understood by two essentially parallel planar surfaces and a lateral surface formed by parallel straight lines is limited.
  • the dome is formed from a formed, in particular bent sheet metal.
  • This sheet is advantageously a metal, since this can be easily transformed.
  • other current-conducting materials are suitable to form the dome.
  • the preferred bending of the sheet to the dome has the advantage of being particularly easy to implement.
  • the contact element for connecting to a cable line with an end face of more than 2.5 mm 2 , in particular with an end face of more than 4 mm 2 , particularly preferably more than 6 mm 2 configured.
  • Such large cross sections of cable lines can be on the way of contact welding with good conductivity of the
  • the cable line has more than 10 individual wires.
  • the contact element further comprises a sleeve
  • Cable line is at least partially disposed between the dome and the sleeve, wherein the sleeve is preferably a separate element.
  • Such a sleeve increases the strength of the contact between the cable line and the contact element, in particular in the With regard to shear forces and buckling loads of
  • the sleeve is preferred in this
  • Embodiment however, mainly used to support the contact.
  • Hollow cylinder jacket of the dome is preferably 0.3 mm less than an inner diameter of preferably around the
  • the contact element further comprises a connection part for connecting the contact element to the terminal, wherein the dome is formed integrally with the connection part.
  • the connecting part of the contact element forms that part which is connected to the terminal to which the cable line is to be connected.
  • Contact element represents, for example, a plug, which makes it possible to easily, quickly and safely plug a cable line into a corresponding connection socket and connect to this.
  • the connecting part is therefore tuned to the connection to be connected to the cable line.
  • the contact element including the connection part and the dome, the contact element
  • the contact element further comprises at least one
  • Welding terminal which is designed for connecting a welding electrode to the contact element.
  • Welding connection thereby enlarges the contact surface between the welding electrode and the contact element in order to realize the contact welding for connecting the cable line to the contact element.
  • An example of such a welding connection are two radially outward to the cylinder axis of the dome outwardly extending wings of metal, where one of the
  • Welding electrodes can be easily attached.
  • the dome is formed from the same piece of material which also forms the connection part.
  • the dome is advantageously formed by bending the piece of material. This method allows a particularly efficient production of the contact element, without having to make concessions in the flexibility of its use.
  • the dome can also be made of a separate material, which is different with regard to the contact element.
  • an electrical potential is applied to the cable line and to the contact element.
  • the anode may be connected to the contact element and the cathode to the cable line.
  • the dome is at least partially inserted through the end face between the individual wires in the cable line, so that substantially all the individual wires are softened by at one or more contact points between each one or more of the individual wires and the contact element heat, at least in the vicinity of the contact points.
  • This softening of the individual wires is a particularly strong and good conductive connection between the
  • Inner diameter of the dome is not too small, otherwise the displaced volume causes a splashing of the material.
  • Cross-sectional shape is circular.
  • For larger end faces of the cable line for example, in a cross-sectional area of 4 mm 2 or 6 mm 2 , however, instead of using a
  • Fig. 1 shows a perspective view of an exemplary contact element, which is designed for connecting a cable line to a terminal.
  • FIG. 2 shows an enlarged detail of the contact element from FIG. 1 in order to be able to represent some details of the dome in more detail.
  • Fig. 3 shows an enlarged view of a dome according to another embodiment with one of the first
  • Embodiment deviating preferred cross-sectional shape.
  • Fig. 1 shows in a perspective view
  • Contact element 10 which is designed for connecting a cable line (not shown) to a connection (not shown).
  • the contact element 10 is designed to be connected to such a cable line, the more
  • Single wires comprises, which form an end face of the cable line.
  • the contact element 10 comprises a dome 12, which is used to connect the contact element 10 to the cable line by means of
  • the dome 12 is configured to connect at least partially through the
  • the dome 12 is configured in the embodiment shown in Fig. 1 in a circular cylindrical shell mold. In other words, the dome 12 is by a to a circular cylinder shell
  • the shape of the dome 12 In the embodiment shown in FIG. 1, it defines a circular cylinder jacket, the cylinder axis Z belonging to this cylinder being indicated in FIG.
  • the cylinder axis Z extends as it were in the preferred direction of insertion of the dome 12 in the cable line.
  • the contact element 10 comprises a connection part 14 for connecting the contact element 10 to a connection.
  • the dome 12 and the terminal part 14 are in the one shown in FIG.
  • the contact element 10 is made of a standard connector
  • connection part 14 a is provided, in addition to the connection part 14 a
  • the contact element 10 comprises a two-part welding connection 16 following the dome 12.
  • the welding connection 16 is separated by two radially away from the cylinder axis Z
  • welding terminal 16 the contact element 10, in particular the dome 12, are brought to the same potential as the electrode.
  • the welding terminal 16 becomes the anode
  • Fig. 2 shows an enlarged view of the dome 12 of Fig. 1.
  • a sheet was, for example, as
  • Crimping may be provided, bent together to form a circular cylinder jacket. This means that the perpendicular to the
  • Cylinder axis Z extending cross-sectional shape of the dome 12 a Ring shape is.
  • a portion of the individual wires of the cable line may enter the interior of the dome 12, ie, an area within the annular shape of the dome 12, when the dome is inserted into the end face of the cable line.
  • the remaining individual wires of the cable line can be arranged around the dome 12 and at least partially in direct contact with the dome 12.
  • the configuration of the contact element 10 shown in Fig. 2 is chosen such that the contact element for a stranded wire having a nominal cross section of 2.5 mm2 is designed and an inner diameter ⁇ ⁇ of the dome 12 of 0, 6 mm to 0.9 mm,
  • the outer diameter D A is accordingly determined by the sum of the inner diameter and the double sheet thickness of the material from which the dome 12 is bent.
  • Fig. 2 further shows an interface 18, abutting the two parts of the dome forming the metal sheet 12 and thus the
  • the embodiment of the contact element 10 shown in FIGS. 1 and 2 is intended for connection to a cable line whose end face does not exceed a size of 2.5 mm 2 .
  • all individual wires can be heated sufficiently to realize a contact welding, so that the strands are welded together and with the contact element 10.
  • FIG. 3 shows a further embodiment of a contact element 10 in the enlarged view, which essentially shows the dome 12 and parts of the welding terminal 16. Unlike in the first embodiment described above, the
  • Embodiment cloverleaf-shaped Under a cloverleaf is understood in this context, a cross-sectional shape, the more, in particular three circular arc-shaped bulges
  • the inner diameter ⁇ ⁇ of such a cloverleaf-shaped cross-sectional shape is defined by the vertices of the Einbuchten (concave areas) perpendicular to the cylinder axis Z.
  • the outer diameter D A is defined by the vertices of the bulges (convex portions) perpendicular to the cylinder axis Z.
  • This separation surface 18 can also be so wide in the embodiment shown in FIG. 3 that the dome 12 does not form a closed cylinder jacket surface, but rather an open cylinder jacket surface which thus
  • Cloverleaf is preferably 0, 3 mm less than one
  • Inner diameter Di a dimension of 0.6 mm.
  • the individual wires of the cable line in this case preferably have a diameter of about 0.4 mm.
  • Embodiment is 2.5 mm.
  • a buckling protection sleeve to be put over the contact point then preferably has one
  • Embodiment is configured to connect a cable line of an end face of more than 2.5 mm 2 , in particular of 4 mm 2 or 6 mm 2 , with the contact element 10.
  • the mandrel 12 it is also possible to further vary the cross-sectional shape of the mandrel 12, for example in a heart shape, elliptical shape or polygonal shape.
  • the actual configuration of the mandrel 12 depends on the size of the end face of the cable duct as well as its cross-sectional shape and is always designed so that each the individual wires of the cable line a maximum distance to a part of the dome 12, which is used by the

Landscapes

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

Abstract

La présente invention concerne un élément de contact (10) qui est conçu pour raccorder une ligne de câble à un raccordement comportant plusieurs fils individuels qui forment une face frontale de la ligne de câble. L'élément de contact (10) comporte un dôme (12) pour relier l'élément de contact (10) à la ligne de câble au moyen de soudures de contact. Selon l'invention, le dôme (12) est conçu pour être guidé au moins en partie à travers la surface frontale entre les fils individuels dans la ligne de câble pour la liaison.
PCT/EP2012/073580 2011-12-19 2012-11-26 Élément de contact pour raccorder une ligne de câble, son procédé de fabrication et procédé pour relier un élément de contact à une ligne de câble WO2013092116A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011088989.2A DE102011088989B4 (de) 2011-12-19 2011-12-19 Kontaktelement zum Anschließen einer Kabelleitung, Verfahren zu dessen Herstellung und Verfahren zum Verbinden eines Kontaktelements mit einer Kabelleitung
DE102011088989.2 2011-12-19

Publications (1)

Publication Number Publication Date
WO2013092116A1 true WO2013092116A1 (fr) 2013-06-27

Family

ID=47294867

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2012/073580 WO2013092116A1 (fr) 2011-12-19 2012-11-26 Élément de contact pour raccorder une ligne de câble, son procédé de fabrication et procédé pour relier un élément de contact à une ligne de câble

Country Status (2)

Country Link
DE (1) DE102011088989B4 (fr)
WO (1) WO2013092116A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB726467A (en) * 1953-05-14 1955-03-16 Milton Alden Electrical soldering terminal
DE1916895A1 (de) 1968-04-12 1969-11-06 Amp Inc Verbindungsklemmen zur Schweissverbindung mit elektrischen Leitungsdraehten
EP0251556A2 (fr) * 1986-07-03 1988-01-07 Amp Incorporated Contact électrique à deux fentes
US20030139087A1 (en) * 2002-01-22 2003-07-24 The Ludlow Company Lp Flexible interconnect cable strain relief facility
US20110198122A1 (en) * 2010-02-16 2011-08-18 Hitachi Cable, Ltd. Electric wire with terminal and method of manufacturing the same
US20110250795A1 (en) * 2010-04-07 2011-10-13 Hon Hai Precision Industry Co., Ltd. Cable assembly with improved terminating means

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29903301U1 (de) 1999-02-24 1999-05-12 Auto Kabel Man Gmbh Verbindung eines elektrischen Aluminiumkabels mit einem aus Kupfer o.dgl. Metall bestehenden Anschlußteil
DE102010003599A1 (de) 2010-04-01 2011-10-06 Lisa Dräxlmaier GmbH Verfahren zur Kabelkonfektionierung sowie konfektioniertes Kabel

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB726467A (en) * 1953-05-14 1955-03-16 Milton Alden Electrical soldering terminal
DE1916895A1 (de) 1968-04-12 1969-11-06 Amp Inc Verbindungsklemmen zur Schweissverbindung mit elektrischen Leitungsdraehten
EP0251556A2 (fr) * 1986-07-03 1988-01-07 Amp Incorporated Contact électrique à deux fentes
US20030139087A1 (en) * 2002-01-22 2003-07-24 The Ludlow Company Lp Flexible interconnect cable strain relief facility
US20110198122A1 (en) * 2010-02-16 2011-08-18 Hitachi Cable, Ltd. Electric wire with terminal and method of manufacturing the same
US20110250795A1 (en) * 2010-04-07 2011-10-13 Hon Hai Precision Industry Co., Ltd. Cable assembly with improved terminating means

Also Published As

Publication number Publication date
DE102011088989A1 (de) 2013-06-20
DE102011088989B4 (de) 2023-02-02

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