EP1032077B1 - Connexion d'un câble d'aluminium avec une borne en cuivre ou similaire - Google Patents

Connexion d'un câble d'aluminium avec une borne en cuivre ou similaire Download PDF

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Publication number
EP1032077B1
EP1032077B1 EP00102020A EP00102020A EP1032077B1 EP 1032077 B1 EP1032077 B1 EP 1032077B1 EP 00102020 A EP00102020 A EP 00102020A EP 00102020 A EP00102020 A EP 00102020A EP 1032077 B1 EP1032077 B1 EP 1032077B1
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EP
European Patent Office
Prior art keywords
cable
support sleeve
aluminium cable
terminal
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.)
Expired - Lifetime
Application number
EP00102020A
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German (de)
English (en)
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EP1032077B2 (fr
EP1032077A2 (fr
EP1032077A3 (fr
Inventor
Günther Nölle
Franz-Josef Lietz
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Auto Kabel Management GmbH
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Auto Kabel Management GmbH
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Application filed by Auto Kabel Management GmbH filed Critical Auto Kabel Management GmbH
Publication of EP1032077A2 publication Critical patent/EP1032077A2/fr
Publication of EP1032077A3 publication Critical patent/EP1032077A3/fr
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Publication of EP1032077B1 publication Critical patent/EP1032077B1/fr
Publication of EP1032077B2 publication Critical patent/EP1032077B2/fr
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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
    • 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
    • H01R11/28—End pieces consisting of a ferrule or sleeve
    • H01R11/281—End pieces consisting of a ferrule or sleeve for connections to batteries
    • H01R11/283—Bolt, screw or threaded ferrule parallel to the battery post
    • 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
    • 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

Definitions

  • the invention relates to a connection of an electrical aluminum cable, in particular an aluminum cable formed and insulated from a plurality of aluminum wires or strands with a connecting part consisting of copper, a copper alloy and / or brass or the like metal, for example a battery terminal, a cable lug, a Connection adapter, a plug part, a piece of cable or the like, for the electrical system of a motor vehicle, the insulation of the aluminum cable ends before the point of contact with the connector or is removed and a support sleeve is provided, which is at least adjacent to the end-side end of the stripped portion of the aluminum cable Enclosed area and pressed with the end of the aluminum cable and / or shrunk onto it, so that the wires of the aluminum cable are compressed at least in the region of the front side.
  • an electrical aluminum cable in particular an aluminum cable formed and insulated from a plurality of aluminum wires or strands with a connecting part consisting of copper, a copper alloy and / or brass or the like metal, for example a battery
  • the invention further relates to a method for connecting an electrical aluminum cable with a made of copper, copper alloy and / or brass or the like metal connecting part, for example battery terminal, cable lug, connection adapter, plug part, cable or the like, for the electrical system of a motor vehicle in which the end face of the aluminum cable is brought into contact and electrical contact with the end face of the connection part and stripped of the aluminum cable at the connection end, pressed or shrunk onto the stripped point a support sleeve and thereby the wires or strands of the aluminum cable are compressed.
  • a made of copper, copper alloy and / or brass or the like metal connecting part for example battery terminal, cable lug, connection adapter, plug part, cable or the like
  • the connector itself it is not possible to make the connector itself also made of aluminum, because in the range of batteries or accumulators acid vapors can not be completely ruled out that attack aluminum to a much greater extent than copper, copper alloys or brass, and because connections to An internal combustion engine connected units such as alternators are exposed to such a high dynamic load that from it over time the less stable material aluminum is broken or the connection connection is destroyed.
  • Aluminum is also subject to a greater risk of corrosion than copper, which has relatively good corrosion resistance because aluminum is relatively non-noble and therefore tends to transition to the more stable oxide form from which it was generated by using energy.
  • metals of different nobility are conductively connected, there is a risk of contact corrosion. Due to their noble potential, the copper materials are less endangered than aluminum, but can have a harmful effect on this metal when combined with it. Since aluminum is the less noble metal compared to copper, it may happen in a Berzier für at high currents and longer exposure times, especially in humid, salty climate that the less noble metal, so the aluminum acts as a "sacrificial anode" and decreases. Over time, material loss occurs at the contact surface, which negatively affects contact resistance and strength.
  • connection to the aforementioned type which has a high resistance to dynamic loads and good conductivity and eliminates an oxide layer or corrosion on the aluminum in the region of the compound by the connection process itself on the one hand and / or on the other hand prevents an oxide layer in this region of the mutual contacting of the different metals.
  • connection of an electrical aluminum cable with a connection part of another metal is characterized in that the connection part is welded to the end of the cable formed from the individual wires of the end of the aluminum cable.
  • the compound is thus characterized mainly by an additional support sleeve on the aluminum cable, which stabilizes the individual wires or strands by squeezing enough and approaches each other to give a metallic surface on the front side of the cable, which then simultaneously the junction or the point of Welding with the connection part is.
  • This makes it possible to rid this end face of oxide, if there should have formed, and then to weld this end face to the connection part butt, so that in the future no oxide can arise at this point.
  • aluminum can certainly be fused and welded to copper and thus even form a mutual alloy on the compound according to the invention. Experiments have shown that the tensile strength of such a compound can be higher than that of the aluminum cable and / or the fitting itself.
  • this submetallic connection can be approximately 2 mm thick, so that access of air or moisture to this connection point is excluded.
  • the support sleeve extends beyond the transition between the stripped region of the aluminum cable and the insulation, enclosing part of the insulation.
  • the support sleeve thus advantageously receives a greater axial length than the stripped portion of the aluminum cable, so that a good stiffening in the region of the connection point is achieved to below the insulation, resulting in a uniform distribution of the compressive forces in the connection area, without the individual aluminum wires too much burden and deform.
  • a junction is also lateral forces and dynamic loads, as they can occur in motor vehicles also connected to the engine units, grown.
  • a good sealing of the aluminum cable and the connection can be achieved.
  • one end of the support sleeve is flush with the end-side end side of the stripped region of the aluminum cable.
  • the support sleeve then increases the connection point in the radial direction and is also available for welding with a suitably sized fitting or counterpart, provided that the end of the aluminum cable compressing support sleeve is a metal sleeve, in particular an aluminum sleeve.
  • an aluminum sleeve has the advantage that it behaves in terms of thermal expansion, electrical conductivity and weldability as the aluminum cable itself, so to speak, a supplement of the aluminum cable the junction is.
  • the aluminum cable and the shrunk-on or pressed-on support sleeve and the connecting part have a substantially circular cross-section, in particular of the same size.
  • the weld can then extend over the entire cross-section of the compound and at the same time the entire cross section of the connecting part on the one hand and the unit formed of aluminum cable and support sleeve on the other.
  • Correspondingly favorable resistance values for the electric current can be achieved at this large-area connection.
  • the support sleeve for pressing or Vorverpressen the aluminum cable in its interior has at least two sections of different inner cross-section or inner diameter and the portion with the larger inner diameter of the end of the insulation of the Aluminum cable and the area of smaller inner cross-section encompasses the stripped area of the aluminum cable.
  • the difference of the inner diameter of the support sleeve can correspond to about twice the thickness of the insulation of the aluminum cable.
  • connection can be completed by butt welding. It is particularly advantageous if the provided with the support sleeve end of the aluminum cable is connected to the connection part by friction welding.
  • Friction welding is known per se and is in many cases effected by causing one of the parts to be rotated prior to the connection, then to move against the other part, creating a frictional heat high enough to weld the parts to them connect firmly after braking the rotation.
  • Especially when connecting an aluminum cable with a connection part can thereby be automatically eliminated at the junction or end face of the aluminum cable oxide layer automatically because such a layer is penetrated and removed by the mechanical friction.
  • an electrical connection of an aluminum cable with a connection part by friction welding to be regarded as particularly advantageous and favorable, especially since relatively low energies for this type of welding, for example, against a conceivable Abbrenn-butt welding are necessary.
  • the above-mentioned method is to achieve the object, characterized in that the individual wires or strands of the aluminum cable are butt welded together with the support sleeve with the connecting part.
  • the soft and resilient end of the aluminum cable first is mechanically consolidated by a support sleeve to withstand the stresses of welding and make this end face of the aluminum cable suitable for direct welding with a connector, because this results in a practically closed, formed from the individual wires or strands of the aluminum cable metallic surface.
  • the support sleeve is arranged with one end flush with the end face of the aluminum cable, that is, one end of the support sleeve is used to increase the front side of the aluminum cable and thus the connection point and used.
  • one end of the support sleeve is used to increase the front side of the aluminum cable and thus the connection point and used.
  • the individual wires or strands of the aluminum cable actually on the one hand all squeezed together and solidified with each other and yet are accessible to the weld.
  • These wires can be flush with each other and form a flat front or cross-sectional area.
  • a particularly favorable procedure may consist in that the aluminum cable provided with the support sleeve is connected to the connection part by friction welding. Compared to an electrically assisted butt welding method significantly less energy is required for this advantageously. Nevertheless, the friction welding method allows a welding of the materials aluminum on the one hand and copper or copper alloy or the like metal on the other hand to form intermetallic phases, that is, the oxide layer on the aluminum is destroyed and eliminates the possibility of corrosion at the junction. Since the aluminum cable is pressed with the support sleeve before or at the latest at the same time as the welding process, creates a kind of solid cylinder, on the front side or top surface, the welding can be done.
  • connection part to be connected or butt-welded to the aluminum cable is turned and pressed in rotation against the front side of the aluminum cable and fused or welded by the resulting frictional heat after braking the rotation.
  • the friction and the frictional heat could be caused by other mutual relative movements, but the rotation has the great advantage that the parts to be joined in the transverse direction can already assume their final position and an almost arbitrary number of revolutions can be generated on the rotating part to get enough frictional heat for welding.
  • any oxide layer on the aluminum side may be penetrated and removed in a particularly effective manner.
  • the wires or strands of the aluminum cable can be compressed before and / or during the welding process, at least in the region of the frontal connection point, which can be carried out particularly easily with the already mentioned support sleeve.
  • the support sleeve on the outside surface in particular to a polygonal, for example, to a hexagon, be pressed. This results in addition to the later assembly the possibility for a tool attack, for example, for the attack of a wrench.
  • a polygonal shape on the outside of the support sleeve in the installation and installation of the cable with its connector may be advantageous.
  • the connecting part may be either a cylinder made of copper or a copper alloy, for example made of brass, which in turn is connected to a corresponding connector or a cable clamp or a battery terminal or the like or is already connected in one piece with it from the outset.
  • a cylinder can be rotated particularly well and connected by friction welding with the appropriately prepared aluminum cable.
  • a device for carrying out the method for connecting an aluminum cable with a connector made of other metal may consist primarily in that an openable clamping device for the provided with the support sleeve aluminum cable and a flush arranged releasable support for the connection part are provided that the holder has a rotary drive or is coupled with it and that the clamping device and the holder are movable or displaceable relative to each other in the longitudinal direction of the aluminum cable and thus aligned at least in mutual contact terminal part. It is particularly advantageous if the rotating holder is displaceable. This displaceability then includes the required pressing force at the joint, which is exerted during welding. In this case, the openable clamping device for the end of the aluminum cable can be used simultaneously for pressing the support sleeve provided there.
  • an aluminum cable used for electrical conduction in which it is not necessary to weld directly to the individual wires or strands, but rather a supporting sleeve expediently made of aluminum, ie of identical material, is provided, with which the wires and strands can be precompressed.
  • a kind of solid cylinder is formed, which also serves as a seal over the insulation, because it can reach beyond this isolation. This seal has passed a water resistance test with one meter of water during tests.
  • the joint itself has a high electrical conductivity, because a previously possibly on the aluminum side and possibly even on the copper side existing oxide layer can be eliminated by friction welding at a relative mutual rotation, so that the two different metals get into intermetallic phases and fused together and be welded.
  • connection part 1 which consists of individual aluminum wires 2 and an insulation 3 with a connection part 4
  • matching parts are given the same reference numbers.
  • FIG. 2 shows a connection V of the electrical aluminum cable 1, which is formed of individual aluminum wires 2 or optionally made of strands and provided with the insulation 3, with a copper, copper alloy and / or brass or the like metal connecting part 4 shown.
  • Fig.2 shows a connection V of the aluminum cable 1 with a battery terminal 5, Figure 4 Such a connection with a cable lug 6, Figure 6 a connection with a connection adapter 7, which may also be a plug part with connector pins 8, and Figure 8 the connection V of one electrical aluminum cable 1 with a piece of cable 9 made of copper, a copper alloy or the like metal, with individual wires 10 and an insulation 11 are also provided.
  • FIGS. 1 . 3 . 5 and 7 it can be seen clearly that the insulation 3 of the aluminum cable 1 before the - not acted on in these figures later - touch point, ie ends before the end-side end face 12 or is removed, so that the aluminum cable 1 is therefore stripped at the end to be connected, and that a support sleeve 13 is provided, which according to the already mentioned Figures 2 . 4 . 6 and 8 the outer end side 12 of the stripped portion of the aluminum cable 1 adjacent area in the position of use encloses the outside.
  • the support sleeve 13 can thus first placed in the longitudinal direction of the outside to be connected and stripped end of the aluminum cable 1 and pressed or shrunk so that the wires 2 of the aluminum cable 1 are compressed at least in the region of the end face 12, so that practically a solid cylinder is formed.
  • the connection part 4 which may be designed differently according to the individual embodiments, with the end face 12 and also the support sleeve 13 welded.
  • the connection point V is further marked by a diameter plane of the compound V hinting transverse line, although in the welding no separation point or joint remains, but the two metals of the connected parts due to a through the Welding heat fusion are jointlessly connected.
  • the support sleeve 13 extends over the transition between the stripped region of the aluminum cable 1 and the insulation 3, enclosing part of the insulation 3.
  • the support sleeve 13 thus serves not only for compressing the wires 2 and the formation of the already mentioned solid cylinder, the welding on the front side 12 and thus the welding of the individual wires 10 or strands of the aluminum cable 1 with the connecting part of copper or a copper alloy or brass and Since the support sleeve 13 is pressed with the aluminum cable 1 and thus also with the end of its insulation 3 or shrunk on it, the end of the insulation 3 is fixed according to the wires 2 of the Aluminum cable 1 connected, so that a high water resistance is achieved.
  • the one end 13a of the support sleeve 13 in the use position is flush with the end face 12 of the stripped portion of the aluminum cable 1 and the wires 2, so that so the already mentioned solid cylinder on the front side 12 of the aluminum cable 1 is practically enlarged by the existing there thickness of the support sleeve 13 and represents a correspondingly enlarged area for connection to the connector part 4.
  • the aluminum cable 1 and the shrunk or pressed support sleeve 13 on the one hand and the connector 4 on the other hand have a substantially circular cross-section of the embodiment in each case the same size, as it is both in the initial position of the parts before their mutual connection and after completion of the compound V each recognizes.
  • the support sleeve 13 compressing the end of the aluminum cable 1 is a metal sleeve and in particular an aluminum sleeve, but possibly also a copper or brass sleeve, it takes part in the welding process and in the formation of the weld seam 14 and at the same time improves the mutual connection of the parts because thus not only the flat, flat face 12 is connected to the connector 4, but also the end 13 a the support sleeve 13, on the other hand extends beyond the insulation 3 and possibly occurring dynamic tensile or transverse forces well distributed.
  • the support sleeve 13 has in its interior two sections of different inner cross-sections or inner diameter.
  • the section 13b with the larger inner diameter surrounds the end of the insulation 3 of the aluminum cable 1
  • the section 13c of smaller inner cross section surrounds the stripped region of the aluminum cable 1.
  • the difference between the inner diameters of these two sections 13b and 13c of the support sleeve 13 corresponds to twice the thickness of the Insulation 3 of the aluminum cable 1, that is, the difference in the inner radii of the two sections 13b and 13c of the support sleeve 13 correspond approximately to the thickness of the insulation 3, so that despite the gradation between the insulated and the stripped portion of the aluminum cable 1, the outside of the support sleeve 13 in can be substantially smooth and without heel or diameter change.
  • the aluminum cable 1 is first stripped at the connection end by either the insulation 3 is removed to a certain length or omitted from the outset.
  • the support sleeve 13 is attached.
  • the support sleeve 13 is pressed or shrunk, whereby the wires 2 or strands of the aluminum cable 1 are compressed, so that in spite of the formation of these individual wires 2 practically a solid cross-section results at the end face 12, which is for welding to the connection part 4 stands.
  • the aluminum cable 1 is butt welded together with the support sleeve 13 with the connection part 4, which may be designed differently according to the individual embodiments. Due to the welding heat and a mutual compressive force in the longitudinal direction of the parts to be joined, the bead-shaped weld 14 is formed.
  • connection part 4 It is in the starting position and after production of the Connection V, the support sleeve 13 with one end 13a flush with the end face of the aluminum cable 1. This allows that provided with the support sleeve 13 aluminum cable 1 is connected to the connection part 4 by friction welding.
  • the connecting with the aluminum cable 1 and blunt to be welded connection part 4 is rotated in a manner not shown in rotation and rotating at high speed, for example, 1500 Umdr./Min. pressed against the end face 12 of the aluminum cable 1 and the end 13a of the now pressed support sleeve 13 and fused and welded by the resulting frictional heat after braking and stopping the rotation, in the region of the compound V then the metals of the connected parts also alloyed together become.
  • the wires 2 or strands of the aluminum cable 1 are thus compressed before and during the welding process, at least in the region of the frontal connection point V to form the already mentioned solid cross-section with a flat, flat face 12.
  • the support sleeve 13 is on the outside surface, in particular to a polygon, for example, to a hexagon, pressed so that a largely uniform compression of the wires 2 in the region of the connection V and the support sleeve 13 later outside well with tools during assembly are detected can.
  • Fig.2 Can be connected to the aluminum cable 1, a battery terminal 5 with connecting pin 5a as a connection part 4.
  • connection part 4 shows the connection of an aluminum cable 2 with a connection part 4, which is designed as a cable lug 6 with a bolt-shaped connection part 6a.
  • connection of the aluminum cable 1 is shown with a connection adapter 7 for cohesive electrical connections, for example via connector pins 8, wherein the Terminal adapter 7 itself has the corresponding cross-sectional shape and surface for blunt welding with the aluminum cable 1.
  • Fig.7 and 8 shows the ability to connect an aluminum cable 1 with a piece of cable 9 in particular copper or a copper alloy as a connector 4, said serving as a connector 4 cable piece 9 of wires 10 made of copper or a copper alloy on its outside also with a support sleeve 13 in particular Copper, a copper alloy or brass or aluminum, in each case made of metal, pressed and butt welded to the front side 12 of the aluminum cable 1.
  • this support sleeve 13 is made of copper or the like flush with the cable piece 9 at the end, so that the connection V takes place both on the respective wires 2 and 10 and the support sleeves 13, that is, over a correspondingly enlarged cross-section with appropriate stability.
  • a device for carrying out such a method is not shown in detail and expediently comprises an openable clamping device for the provided with the support sleeve 13 aluminum cable 1 and arranged in alignment with detachable and rotatably driven holder for the connection part 4.
  • the jig and the holder are then relative to each other in the direction of longitudinal extension of the aluminum cable 1 and thus aligned at least in mutual contact terminal part 4 movable or displaceable, so that the rotating pressed against the fixed part and thereby the necessary friction heat for Reibsch dipvorgang can be generated.
  • the rotating holder is expediently displaceable, since it accommodates the overall shorter or smaller connection part 4. After braking the rotary drive takes place under the resulting friction heat, the mutual fusion and welding practically over the entire cross-section, which thus gives not only a solid but also a tight connection V.
  • connection V of the electrical aluminum cable 1 with a connector 4 made of other metal, in particular copper or a copper alloy, is effected by compression of the wires 2 forming the aluminum cable 1 in the end region and welding to the connection part 4, in particular by a friction welding process.
  • the frictional heat between the materials is used to melt both materials and to join them together without additional welding material.
  • the aluminum cable 1 is provided with a compressed with him support sleeve 13, which makes the individual wires 2 at the junction practically a full surface and is welded together even with the connection part 4.

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  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
  • Manufacturing Of Electrical Connectors (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Multi-Conductor Connections (AREA)

Claims (15)

  1. Connexion (V) entre un câble électrique (1) en aluminium, isolé et constitué de plusieurs fils (2) ou torons d'aluminium, et une pièce de raccordement (4) consistant en du cuivre, en un alliage de cuivre et/ou en du laiton, ou métal similaire, par exemple une borne (5) de batterie, une cosse de câblage (6), un adaptateur de raccordement (7), une partie d'enfichage, une pièce de câblage (9) ou un élément analogue, pour l'installation électrique d'un véhicule automobile, sachant que l'isolation (3) du câble (1) en aluminium s'achève avant la zone de contact avec la pièce de raccordement, ou est éloignée de cette dernière ; et qu'il est prévu une douille de soutien (13) qui entoure au moins la région voisine de la face frontale extrême (12) de la partie isolée dudit câble (1) en aluminium, et est comprimée avec l'extrémité dudit câble (1) en aluminium et/ou emmanchée par frettage sur celle-ci, de telle sorte que les fils (2) du câble (1) en aluminium soient comprimés au moins dans la région de ladite face frontale (12), caractérisée par le fait que la pièce de raccordement (4) est soudée à la face frontale (12) de l'extrémité du câble (1) en aluminium, formée par les fils individuels (2).
  2. Connexion selon la revendication 1, caractérisée par le fait que la douille de soutien (13) s'étend jusque sur la transition entre l'isolation (3) et la région isolée du câble (1) en aluminium, en entourant une partie de ladite isolation (3).
  3. Connexion selon la revendication 1 ou 2, caractérisée par le fait que l'une (13a) des extrémités de la douille de soutien (13) se trouve dans l'affleurement de la face frontale extrême (12) de la région isolée du câble (1) en aluminium.
  4. Connexion selon l'une des revendications 1 à 3, caractérisée par le fait que le câble (1) en aluminium, la douille de soutien (13) emmanchée par frettage ou rapportée par compression, et la pièce de raccordement (4), présentent une section transversale sensiblement circulaire, notamment de même dimensionnement.
  5. Connexion selon l'une des revendications 1 à 4, caractérisée par le fait que la douille de soutien (13), comprimant l'extrémité du câble (1) en aluminium, est une douille métallique et notamment une douille en aluminium.
  6. Connexion selon l'une des revendications 1 à 5, caractérisée par le fait que la douille de soutien (13) comporte dans son espace interne, en vue de la compression ou de la compression préalable du câble en aluminium, au moins deux tronçons offrant une section transversale intérieure ou un diamètre intérieur différent(e) ; et le tronçon (13b) de diamètre intérieur supérieur ceinture l'extrémité de l'isolation (3) dudit câble (1) en aluminium, le tronçon (13c) de section transversale intérieure moindre ceinturant la région isolée dudit câble (1) en aluminium.
  7. Connexion selon la revendication 6, caractérisée par le fait que la différence entre les diamètres intérieurs de la douille de soutien (13) correspond, approximativement, au double de l'épaisseur de l'isolation (3) du câble (1) en aluminium.
  8. Connexion selon l'une des revendications 1 à 7, caractérisée par le fait que l'extrémité du câble (1) en aluminium, qui est pourvue de la douille de soutien (13), est reliée à la pièce de raccordement (4) par soudage par friction.
  9. Procédé pour connecter un câble électrique (1) en aluminium à une pièce de raccordement (4) consistant en du cuivre, en un alliage de cuivre et/ou en du laiton, ou métal similaire, selon la revendication 1, par exemple une borne (5) de batterie, une cosse de câblage (6), un adaptateur de raccordement (7), une partie d'enfichage (8), un câble (9) ou un élément analogue, pour l'installation électrique d'un véhicule automobile, la face frontale (12) dudit câble (1) en aluminium étant mise en liaison et en contact électrique avec la face frontale de ladite pièce de raccordement (4) ; et, à cette fin, le câble (1) en aluminium étant isolé à l'extrémité de liaison, une douille de soutien (13) étant emboîtée, comprimée ou emmanchée par frettage sur la zone isolée, de sorte que les fils (2) ou torons dudit câble (1) en aluminium sont comprimés, caractérisé par le fait que les fils (2) ou torons individuels dudit câble (1) en aluminium sont soudés bout à bout sur ladite pièce de raccordement (4), conjointement à ladite douille de soutien (13).
  10. Procédé selon la revendication 9, caractérisé par le fait que la douille de soutien (13) est disposée, par une extrémité (13a), dans l'affleurement de la face frontale du câble (1) en aluminium.
  11. Procédé selon la revendication 9 ou 10, caractérisé par le fait que le câble (1) en aluminium, muni de la douille de soutien (13), est relié à la pièce de raccordement (4) par soudage par friction.
  12. Procédé selon l'une des revendications 9 à 11, caractérisé par le fait que la pièce de raccordement (4), devant être reliée au câble (1) en aluminium ou soudée bout à bout sur ce dernier, est animée d'une rotation ; pressée de manière rotative contre la face frontale (12) dudit câble (1) en aluminium ; et fondue ou soudée, après le freinage de la rotation, par la chaleur de frottement qui est alors engendrée.
  13. Procédé selon l'une des revendications 9 à 12, caractérisé par le fait que les fils (2) ou torons du câble (1) en aluminium sont comprimés, avant et/ou pendant l'opération de soudage, au moins dans la région de la zone frontale de connexion (V).
  14. Procédé selon l'une des revendications 9 à 13, caractérisé par le fait que la surface extérieure de la douille de soutien (13) est comprimée notamment pour obtenir une configuration polygonale, par exemple une configuration hexagonale.
  15. Procédé selon l'une des revendications 9 à 14, caractérisé par le fait qu'une pièce de câblage (9), servant de pièce de raccordement (4) et constituée par des fils de cuivre, d'alliage de cuivre et/ou de laiton est comprimée, sur sa face extérieure, avec une douille de soutien (13) consistant notamment en du cuivre, en un alliage de cuivre ou en du laiton, ou métal similaire, puis est soudée bout à bout sur la face frontale (12) du câble (1) en aluminium.
EP00102020.5A 1999-02-24 2000-02-02 Connexion d'un câble d'aluminium avec une borne en cuivre, alliage de cuivre et/ou laiton Expired - Lifetime EP1032077B2 (fr)

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DE19908031A DE19908031B4 (de) 1999-02-24 1999-02-24 Verbindung eines elektrischen Aluminiumkabels mit einem aus Kupfer oder dergleichen Metall bestehenden Anschlußteil
DE19908031 1999-02-24

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EP1032077B2 (fr) 2016-03-30
US6538203B1 (en) 2003-03-25
DE19908031B4 (de) 2009-08-13
EP1032077A2 (fr) 2000-08-30
EP1032077A3 (fr) 2001-06-27
DE19908031A1 (de) 2000-09-14
ES2337440T3 (es) 2010-04-26
DE50015833D1 (de) 2010-02-25
ES2337440T5 (es) 2016-04-29
ATE454726T1 (de) 2010-01-15

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