EP2996200A1 - Élement de liaison - Google Patents

Élement de liaison Download PDF

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Publication number
EP2996200A1
EP2996200A1 EP15184472.7A EP15184472A EP2996200A1 EP 2996200 A1 EP2996200 A1 EP 2996200A1 EP 15184472 A EP15184472 A EP 15184472A EP 2996200 A1 EP2996200 A1 EP 2996200A1
Authority
EP
European Patent Office
Prior art keywords
contact
contact sleeve
connecting element
individual conductors
end portions
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.)
Withdrawn
Application number
EP15184472.7A
Other languages
German (de)
English (en)
Inventor
Karl Fröschl
Gottfried 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.)
Gebauer and Griller Kabelwerke GmbH
Gebauer and Griller
Original Assignee
Gebauer and Griller Kabelwerke GmbH
Gebauer and Griller
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 Gebauer and Griller Kabelwerke GmbH, Gebauer and Griller filed Critical Gebauer and Griller Kabelwerke GmbH
Publication of EP2996200A1 publication Critical patent/EP2996200A1/fr
Withdrawn legal-status Critical Current

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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
    • 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
    • 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
    • H01R4/02—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
    • H01R4/10—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
    • 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
    • H01R43/0235—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 for applying solder
    • 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
    • H01R43/0484—Crimping apparatus or processes for eyelet contact members
    • 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

Definitions

  • the present invention relates to an insulating exhibiting, of individual conductors such as wires or strands of light metal, preferably aluminum or aluminum alloys constructed cable final connecting element for the electrical connection between the cable and a contact member of a consumer.
  • a challenge in the use of aluminum cables is to ensure the durable and high-performance contacting of the aluminum wires.
  • more and more copper connection elements are used in practice, whereby care must be taken that the aluminum wires do not come into direct contact with the copper in order to avoid the otherwise occurring contact corrosion.
  • the connecting element comprises a contact sleeve, in which contact-component-side end portions of the individual conductors are received and which contact sleeve has a first region in which the contact sleeve is preferably positively pressed with the end portions and a second, the end portions projecting area, which is formed into a connection portion, wherein the end portions are soldered in their end regions by means of a solder, preferably a zinc solder.
  • a simple contact sleeve can be used, which on the one hand by pressing and soldering securely connected to the aluminum conductor and at the same time forms by direct forming a corresponding terminal portion which serves indirectly for contacting a consumer.
  • Sleeves are easy and cheap to manufacture.
  • the strength of the present invention can be seen in the fact that the sleeve is adapted accordingly only in the course of the manufacturing process for the connecting element.
  • connection portion is formed flat by the deformation, preferably at least one flat contact surface has, whereby an easy to be used for the connection of a contact element surface is created.
  • the contact sleeve is provided on its inside with a coating of nickel, whereby the initially described direct contact between light metal conductor and copper contact sleeve is avoided.
  • An alternative embodiment of the invention provides that the coating of nickel on its inside has a coating of tin.
  • the tin can be used in welding operations that are carried out on the contact sleeve, to produce gas-tight seals of the contact sleeve after forming.
  • the design of the soldering of the end portions as a horrslötthetic is characterized by low manufacturing costs, at the same time good electrical conductivity between the individual conductors and the contact sleeve.
  • the soldering of the end portions comprises the end faces of the end portions, so that the end portions are cap-like covered by the solder.
  • the preferably positive locking is formed such that between the individual conductors of the end portions sufficient space for receiving the solder is present, the individual conductors outside the contact sleeve is not soldered are.
  • the expended in the compression force is adapted to the conditions such as diameter of the individual conductors and wall thickness of the sleeve, but must not be too strong anyway.
  • a cold welding between the individual conductors made of aluminum should be avoided.
  • a particularly secure and conductive connection between the individual conductors made of aluminum and the contact sleeve is then achieved if the end sections of the individual conductors completely pass through the first region of the contact sleeve in which the compression takes place and the end faces of the end sections between the first region and the second region of the contact sleeve , which is formed, are arranged. Moreover, this also ensures that the end portions do not hinder the deformation of the contact sleeve, whereby an increased effort would be required.
  • a contact element is arranged on the connection section.
  • a contact element allows the connection to the contact member of the consumer.
  • the contact element is designed as a plug contact element, so that the connecting element according to the invention can be easily attached to the contact member of the consumer.
  • the plug-in contact element is welded to the connection portion, preferably hump-welded.
  • the resulting compound is particularly stable and good electrical conductivity and has the advantage that can be melted by the weld and any incorporated into the contact sleeve coatings and used as solder for producing a gas-tight seal.
  • the plug contact element has an insertion direction predetermining opening for contacting with the contact component of the consumer, wherein the axis of the contact sleeve and the plugging direction include an angle not equal to 0, preferably an angle of 90 ° ,
  • the supply of the cable to the consumer can thereby be made more flexible than is the case with known systems.
  • the Plug contact element are attached with the same effort in any angle on the connection section.
  • the preparation of the soldering is carried out according to the invention by means of horrslötvon, whereby the connecting element according to the invention is inexpensive to produce.
  • the electrodes used in the resistance soldering method are placed in the first region of the contact sleeve during a fade soldering operation. placed during the soldering operation in that half of the first region which is closer to end faces of the end portions, wherein the electrodes preferably cover less than half the length of the first region. This can ensure that no liquid solder flows beyond the contact sleeve into the cable and under the insulation, which could destroy it.
  • Fig.1 shows an overview of a connecting element 1 according to the invention, which closes an insulation 2 having a cable 4 and a contact sleeve 7 which is pressed with the individual conductors 3 of the cable 4 in a first region 8 and is formed in a second region 9 to a connection portion 14.
  • a contact element 16 is mounted in the form of a plug-in contact element, which has an opening 17, the one plug-in direction 19 for contacting with the contact part of a consumer (not shown) pretends.
  • Fig.2 shows a substantially identically constructed, inventive connecting element 1 as in Fig. 1 illustrated, but with the difference that the plug contact element 16 is aligned differently at the connection portion 14, namely such that the axis 18 of the contact sleeve 7 and the predetermined plug-in direction 19 include an angle 20 of substantially 90 °.
  • connection section 14 can be deformed as desired and can therefore be configured, so that differently shaped contact elements 16 can be fastened thereto.
  • the shape of the connection section 14 can be adapted to the shape of the contact element 16 or vice versa.
  • the design of the contact element 16 as a plug contact, as shown in the present embodiment, allows the rapid and secure production of an electrical connection with the contact part of a consumer, not shown.
  • Figure 3 shows a connecting element 1 according to the invention in a longitudinal section along the axis 18th
  • the cable 4 is provided with an insulation 2 surrounding a plurality of individual conductors 3.
  • the individual conductors 3 are designed as wires or strands and made of a light metal, aluminum or an aluminum alloy in the present embodiment. This in Figure 3 right end of the cable 4 is stripped, so that there end portions 6 of the individual conductors 3 protrude beyond the insulation 2 and are received by a contact sleeve 7.
  • the contact sleeve 7 is made of copper or a copper alloy and is provided with a Nickelb istung 10 on its inner side to prevent direct contact between the aluminum conductor 3 and contact sleeve 7 and thus to avoid contact corrosion.
  • the contact sleeve 7 is pressed in the above-mentioned first area 8 with the end portions 6 of the individual conductors 3. Due to the concomitant narrowing of the cross-section of the contact sleeve 7 occurs in the edge regions 21 of the first region 8 to a positive connection between the contact sleeve 7 and the end portions. 6
  • end portions 6 of the individual conductors 3 are soldered in their end regions and on the front side with each other and with the contact sleeve 7.
  • the compression force effecting the compression in the first region 8 is selected such that sufficient space remains between the individual conductors 3, so that the liquid solder 12 can penetrate into these intermediate spaces.
  • the gap is kept so small that the liquid solder 12 can not run the cable in the direction of insulation 2 or over the insulation 2 away. This results in a soldering, which covers both the end faces of the individual conductors 3, as well as the spaces between the individual conductors 3 along a portion of the end portions 6, and the inner surface of the contact sleeve 7 in this area.
  • the over the end faces of the end portions 6 projecting portion of the contact sleeve 7 is formed in a second region 9 after completion of the soldering to a connection portion 14.
  • the deformation leads to the fact that two flat contact surfaces 15a, 15b form.
  • the further above-described plug contact element 16 is fixed, specifically, welded by means of projection welding method, wherein the projection provided for this purpose are marked with 22.
  • the deformation also results in that the soldering point inside the sleeve can be largely shielded from external influences, in particular when, in a preferred embodiment of the invention, the inner nickel coating 10 of the contact sleeve 7 is coated with a further layer of tin. In this case, would form by the projection welding in the connection portion 14 in the second region of the contact sleeve 7, ie where it is formed, on the inside of the contact sleeve 7 by the welding process, a gas-tight barrier layer.
  • FIG. 4 to 8 show the individual process steps for producing a connecting element according to the invention 1. Specifically, is in Figure 4 It can be seen how the contact sleeve 7 is plugged onto the stripped end of the cable 4 and the end portions 6 receives the individual conductors 3 in itself.
  • Figure 5 shows the already compressed state of the contact sleeve 7, wherein the pressing takes place in a first region 8 of the contact sleeve, which is slightly shorter in the present embodiment than the end portions 6 projecting from the insulation 2.
  • a transformation of the initially round individual conductor cross-sections on honeycomb-shaped cross sections as in Figure 9 can be seen, whereby the gaps between the individual conductors are reduced.
  • the compression also causes the contact sleeve 7 and the individual conductors 3 are firmly connected to each other, which greatly simplifies the further production of the connecting element according to the invention, in particular the handling of cable 4 and contact sleeve 7, so that in a next step on the front side in this stage of the process , still free end of the contact sleeve 7, a solder 12 can be inserted into the contact sleeve 7, as in Figure 6 is shown.
  • a resistance welding device specifically their electrodes 22 to melt by means of heat input via the contact sleeve 7, the frontally introduced solder 12, so that this can wet the end faces 6 of the individual conductors 3, on the one hand Also in the spaces between the individual conductors 3 can penetrate, at least over a length corresponding to the length of the compression, so the first area 8.
  • the electrodes 22 preferably do not cover the entire length of the first region 8 but only a portion thereof, preferably not more than half the length of the first region 8.
  • the electrodes 22 are preferably arranged in that half of the first region 8 which is closer extends to end surfaces of the end portions 6 to ensure that the solder 12 in closer to the insulation 2 extending portion of the first region 8 is again viscous and does not flow into the cable 4.
  • the penetration depth of the solder 12 can be influenced by the design of the electrodes and their position on the contact sleeve 7 together with the soldering parameters.
  • Figure 7 finally shows the pressed with the end portions 6 of the individual conductors 3 and soldered contact sleeve. 7
  • connection section 14 is also converted into a connection section 14. It should again be mentioned explicitly at this point that the manner of forming, in particular the resulting geometry of this connection portion 14 of the contact sleeve 7 is flexibly selectable and can be turned off on the contact element 16 and its purpose or geometry. However, the formation of a planar connection section 14 with at least one, preferably two, planar contact surface 15a, 15b has proven to be advantageous in practice, since a versatile reference surface can be formed which facilitates the welding process, in particular in combination with projection welding.

Landscapes

  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
EP15184472.7A 2014-09-10 2015-09-09 Élement de liaison Withdrawn EP2996200A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ATA50630/2014A AT516232B1 (de) 2014-09-10 2014-09-10 Verfahren zur Verbindung eines Kabelendes mit einem Verbindungselement

Publications (1)

Publication Number Publication Date
EP2996200A1 true EP2996200A1 (fr) 2016-03-16

Family

ID=54072752

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15184472.7A Withdrawn EP2996200A1 (fr) 2014-09-10 2015-09-09 Élement de liaison

Country Status (2)

Country Link
EP (1) EP2996200A1 (fr)
AT (1) AT516232B1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022156969A1 (fr) * 2021-01-21 2022-07-28 Sew-Eurodrive Gmbh & Co. Kg Procédé de fabrication d'une unité de connexion électrique, unité de connexion électrique et système de transmission d'énergie sans fil

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018116599A1 (de) * 2018-07-10 2020-01-16 Phoenix Contact E-Mobility Gmbh Verfahren zum Verbinden eines elektrischen Leiters mit einem Kontaktelement

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004047227A1 (fr) * 2002-11-19 2004-06-03 Gebauer & Griller Kabelwerke Gesellschaft M.B.H. Procede pour connecter un element de raccordement a un cable electrique
WO2005055371A1 (fr) * 2003-12-04 2005-06-16 Leoni Bordnetz-Systeme Gmbh & Co. Kg Procede pour etablir une liaison electrique entre un conducteur en aluminium et un element de contact
DE10346160B3 (de) * 2002-05-25 2005-07-14 Feindrahtwerk Adolf Edelhoff Gmbh & Co. Verfahren und Verbindung zur Kontaktierung eines Aluminiumkabels
WO2005091439A1 (fr) * 2004-03-23 2005-09-29 Gebauer & Griller Kabelwerke Gesellschaft M.B.H. Procede pour relier un element de raccordement a un conducteur electrique en aluminium et conducteur electrique fabrique selon ce procede
WO2012107873A1 (fr) * 2011-02-09 2012-08-16 Cembre S.P.A. Connecteur électrique servant à connecter des câbles électriques à des bornes électriques
DE102011011409A1 (de) * 2011-02-16 2012-08-16 Auto-Kabel Managementgesellschaft Mbh Anschlussteil und Verbindung für elektrische Anlagen

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4224020B2 (ja) * 2004-12-24 2009-02-12 三菱電線工業株式会社 アルミ電線の接続方法
JP2010225529A (ja) * 2009-03-25 2010-10-07 Autonetworks Technologies Ltd 端子金具付き電線
DE102010044241A1 (de) * 2010-09-02 2012-03-08 Auto-Kabel Managementgesellschaft Mbh Verbindung und Verfahren zum Verbinden eines Aluminiumkabels mit Anschlussteilen
JP5521124B1 (ja) * 2012-08-07 2014-06-11 古河電気工業株式会社 圧着端子、接続構造体、コネクタ、ワイヤハーネス、並びに圧着端子の製造方法、接続構造体の製造方法

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10346160B3 (de) * 2002-05-25 2005-07-14 Feindrahtwerk Adolf Edelhoff Gmbh & Co. Verfahren und Verbindung zur Kontaktierung eines Aluminiumkabels
WO2004047227A1 (fr) * 2002-11-19 2004-06-03 Gebauer & Griller Kabelwerke Gesellschaft M.B.H. Procede pour connecter un element de raccordement a un cable electrique
WO2005055371A1 (fr) * 2003-12-04 2005-06-16 Leoni Bordnetz-Systeme Gmbh & Co. Kg Procede pour etablir une liaison electrique entre un conducteur en aluminium et un element de contact
WO2005091439A1 (fr) * 2004-03-23 2005-09-29 Gebauer & Griller Kabelwerke Gesellschaft M.B.H. Procede pour relier un element de raccordement a un conducteur electrique en aluminium et conducteur electrique fabrique selon ce procede
WO2012107873A1 (fr) * 2011-02-09 2012-08-16 Cembre S.P.A. Connecteur électrique servant à connecter des câbles électriques à des bornes électriques
DE102011011409A1 (de) * 2011-02-16 2012-08-16 Auto-Kabel Managementgesellschaft Mbh Anschlussteil und Verbindung für elektrische Anlagen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022156969A1 (fr) * 2021-01-21 2022-07-28 Sew-Eurodrive Gmbh & Co. Kg Procédé de fabrication d'une unité de connexion électrique, unité de connexion électrique et système de transmission d'énergie sans fil

Also Published As

Publication number Publication date
AT516232B1 (de) 2016-08-15
AT516232A1 (de) 2016-03-15

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