EP3103121A1 - Câble électrique ainsi que procédé de production d'un toron de câbles électriques - Google Patents

Câble électrique ainsi que procédé de production d'un toron de câbles électriques

Info

Publication number
EP3103121A1
EP3103121A1 EP15707289.3A EP15707289A EP3103121A1 EP 3103121 A1 EP3103121 A1 EP 3103121A1 EP 15707289 A EP15707289 A EP 15707289A EP 3103121 A1 EP3103121 A1 EP 3103121A1
Authority
EP
European Patent Office
Prior art keywords
adhesive
adhesive layer
insulation
individual
electrical line
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
EP15707289.3A
Other languages
German (de)
English (en)
Other versions
EP3103121B1 (fr
Inventor
Marco Preuss
Wolfgang Langhoff
Julian Hiemer
Wolfgang Hauschild
Christian Ernst
Stefan Krug
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.)
Leoni Bordnetz Systeme GmbH
Leoni Kabel GmbH
Original Assignee
Leoni Bordnetz Systeme GmbH
Leoni Kabel Holding 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 Leoni Bordnetz Systeme GmbH, Leoni Kabel Holding GmbH filed Critical Leoni Bordnetz Systeme GmbH
Publication of EP3103121A1 publication Critical patent/EP3103121A1/fr
Application granted granted Critical
Publication of EP3103121B1 publication Critical patent/EP3103121B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/40—Insulated conductors or cables characterised by their form with arrangements for facilitating mounting or securing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B11/00—Communication cables or conductors
    • H01B11/002—Pair constructions
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B11/00—Communication cables or conductors
    • H01B11/02—Cables with twisted pairs or quads
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/012—Apparatus or processes specially adapted for manufacturing conductors or cables for manufacturing wire harnesses
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/02—Stranding-up
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/02—Stranding-up
    • H01B13/0214—Stranding-up by a twisting pay-off device
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
    • H01B13/228—After-treatment
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/02—Disposition of insulation
    • H01B7/0275—Disposition of insulation comprising one or more extruded layers of insulation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/06—Extensible conductors or cables, e.g. self-coiling cords
    • H01B7/065—Extensible conductors or cables, e.g. self-coiling cords having the shape of an helix
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/0023—Apparatus or processes specially adapted for manufacturing conductors or cables for welding together plastic insulated wires side-by-side

Definitions

  • the invention relates to an electrical line, comprising a wire bundle of at least two individual wires, each having a conductor surrounded by an insulation, wherein the individual wires are glued together in the assembled state and a method for producing such an electrical wire bundle.
  • US Pat. No. 5,734,126 B discloses such a conduit.
  • the cable serves as a data line for a high-frequency data transmission.
  • the two wires are connected to each other via a web.
  • the two wires are provided at their contact line with an adhesive.
  • the third variant is still the direct connection of the insulation of the two wires provided by a heat treatment.
  • the pair of wires is stranded together and usually surrounded by a shield if necessary and in addition by a jacket.
  • US 5 334 271 B also deals with twisted wire pairs for high-frequency data transmission.
  • the individual wires are first fixed parallel to each other.
  • the individual cores each have an ePTFE sheath over which the individual cores are sintered together.
  • the core insulation is wrapped by an adhesive tape. After the parallel running fixation the wire pair is twisted. The connection between the individual wires is thereby canceled.
  • sheathed cables are used, for example as Power or as data lines.
  • a sheathed cable usually several individual cores are embedded in a common cable sheath.
  • the single cores themselves are isolated conductors.
  • the conductor consists for example of a solid conductor wire or a stranded conductor. This conductor is surrounded by a conventional insulation such as PVC, PP, etc.
  • the additional externally mounted cable sheath usually serves as a protective sheath against external influences, for example as a mechanical, chemical or even UV protection. Another function of the cable sheath is the cohesion of the wires to allow easy installation.
  • the cable sheath also serves in particular to maintain the special geometric arrangement of the individual wires. These are usually stranded together on data lines, and have a defined lay length. In addition, a defined distance of the individual wires can be set via the cable sheath in which the individual cores are embedded.
  • smaller lines for example, from DE 35 87 183 T2 refer to a method in which stranded metal conductors are coated with a lacquer which cures by UV irradiation. Further insulating coating layers are applied and hardened in the manner of a paint. Paint insulated wires are commonly used for coil windings, etc.
  • the cable sheath is conventionally applied to the cable bundle by an extrusion method, so that the cable sheath immediately encloses the cable bundle and, for example, also penetrates into intermeshing areas between the individual cores, whereby the relative position of the individual cores and their geometrical distances are fixed to one another.
  • DE 1 704 154 A1 glue these together with stranding elements or to hold them together by means of strips. This serves in particular to avoid the so-called stranding, in particular at locations where a change of direction is made.
  • a hot melt, quick-setting binder is sprayed onto the elements to be stranded and thus glued together.
  • DE 1 704 154 A1 it is proposed in DE 1 704 154 A1 to weld the insulation of the individual wires together, in particular before and after reversal points in the stranding.
  • the present invention seeks to provide an electrical line with low space requirements, which is easy to manufacture. Furthermore, the invention has for its object to provide a method for producing such an electrical line.
  • an electrical line with the features of claim 1.
  • this comprises a cable bundle comprising at least two individual wires, each of which has a conductor surrounded by an insulation.
  • an adhesive layer is applied, via which the two individual cores are glued together or glued to a support.
  • the adhesive layer consists of an adhesive applied directly to the insulation of the single wire (adhesive), which is designed as an activatable and curable adhesive, which becomes tacky and / or hardens only after activation.
  • the electrical line is free of a cable sheath, that is, the cable bundle is not embedded in an insulating jacket.
  • the line is also free of other fixing elements, such as a banding.
  • This embodiment is based on the idea to dispense with the geometrical fixation of the individual wires to a surrounding cable sheath or banding, but at the same time the function of such a cable sheath as a geometric fixing form in that the individual cores are initially provided with a tacky coating and are then connected and glued together so that they are completely irreversibly glued together.
  • a fixation on a carrier is made possible simultaneously or alternatively, so that, if necessary, no further fixing elements for fastening and guiding the line to a carrier is required.
  • the adhesive layer is applied directly around the circumference of the individual cores in the manner of a jacket and preferably as an annular coating. It is particularly but not necessarily applied as a continuous uninterrupted layer on the individual wires. It can be interrupted both in the longitudinal direction and in the circumferential direction. Due to the adhesive layer applied around the circumference, no special preferred orientation of the adhesive is given, so that the single core is adhesive over the entire circumference.
  • this is formed, in particular, in the manner of a ring jacket concentric with the individual core, with a layer thickness that remains constant around the circumference.
  • the adhesive comes directly in contact with the insulation and, for example, not an additional carrier layer is present, as is the case for example with an adhesive tape wound around the insulation.
  • the individual wires are glued together in the final assembled state and / or glued to the carrier.
  • final packaging is understood here the, that this is the operating state in which the line is used in normal operation, ie in particular for power management or data transmission. It is therefore not an intermediate state in the manufacture of an example sheathed cable for data transmission.
  • the adhesive layer preferably becomes adhesive only after activation, simple handling of the individual cores is possible. These can thereby be provided as prefabricated individual cores and kept ready for subsequent fabrication steps.
  • provided with the not yet activated adhesive layer provided individual cores, for example on drums, etc. as prefabricated single cores and stored. Due to the inactive in the original state adhesive layer while gluing or caking of adjacent individual cores is avoided.
  • activation is understood to mean, in particular, the initiation of the curing at a defined time.
  • the activation is preferably initially produced by the activation at all.
  • the adhesion is therefore initially generated by the activation and in a processing time window, the individual wires are glued together and / or applied to a support before the curing takes place.
  • the activation can take place thermally, chemically or by radiation.
  • the individual cores are conventional insulated cores, in which an internal conductor, for example a single wire or else a stranded conductor, is surrounded directly by an insulation, for example made of PVC, PP, etc.
  • the insulation is usually extruded.
  • the adhesive layer extends continuously, in particular over the entire length of the individual wires.
  • the adhesive layer preferably runs continuously and uninterruptedly along the individual wires.
  • the adhesive layer is applied to the insulation in particular concentrically with a layer thickness in the range of 5 ⁇ to 50 ⁇ and extends in particular continuously over the entire length of the individual wires.
  • the adhesive layer is therefore a comparatively thin adhesive layer which surrounds the insulation of the respective individual core.
  • Adhesive layer in the present case is generally understood to mean any coating which acts in the manner of an adhesive layer and which has an adhesive property, so that the two individual cores are fixed to one another. If several individual cores are combined, then all single cores adhere to each other. Furthermore, a fixation of the electrical line to a surface of the carrier is made possible and provided on the adhesive layer on which the cable is to be laid on the adhesive layer.
  • the adhesive is a hot melt adhesive which is thermally activatable.
  • hot melt adhesive material systems are generally understood, which melt by heat input (activation), thereby becoming tacky and cure after cooling again.
  • thermoplastic hot melt adhesive in which a repeated melting is possible.
  • a reactive hot melt adhesive hot melt
  • thermoplastic hot melt adhesive which is preferably adhesive only after activation and cured in the final state, that is thermally stable.
  • a reaction adhesive is generally used as the adhesive in which an irreversible crosslinking takes place by a chemical reaction. Due to the configuration of the adhesive layer in the manner of a curable adhesive, which is at least partially crosslinked and thus thermally stable, in particular by a suitable treatment, an irreversible adhesive bond between the two individual wires is preferably achieved. In this case, in particular a cohesive connection with the isolation of the individual wires. Under irreversible connection is understood here that a separation of the individual wires without damaging the insulation is not possible. Depending on the adhesive system, it is also possible that the adhesive force is not too large, so that a release of the individual cores from each other with a corresponding high force input is possible again. When using a hot melt adhesive, the adhesive force can be reduced by heating again, so that the individual wires can be separated again.
  • EVA ethylene vinyl acetate
  • PE polyethylene
  • PP polypropylene
  • POE polyolefinic elastomer
  • the material systems used are suitably adjusted.
  • an EVA with a vinyl acetate content of typically in the range of 7 to about 20 wt .-% is used.
  • the vinyl acetate content may also be higher, for example up to 60% by weight.
  • the adhesive layer is preferably applied by spraying or extrusion and in particular as a continuous closed jacket. This allows a simple cost-effective production.
  • the individual wires are stranded together.
  • the electrical line is designed in particular as a data line. In such a case, it depends on the exact and exactly to be observed lay length in the stranding crucial. This is done via the adhesive layer guaranteed.
  • the individual cores are stranded together to form a pair, as is known in the case of the so-called "twisted pair" cables Several such paired individual cores can be combined to form bundles of cables kind of star quad etc.
  • Such stranded (data) lines are preferably used in the automotive sector. In the present case, consciously to save costs and weight on an additional shield, so a screen coat, omitted.
  • the absence of a shield requires a highly accurate and highly symmetrical stranding, which can usually be maintained in conventional lines only with a cable sheath.
  • Particularly critical here are the laying process, in which the cables are subjected to a mechanical load, in particular at bending points. Due to the permanent bonding of the individual wires together over their entire length, the maintenance of the set lay length over the entire length is guaranteed.
  • the line as a whole is designed as a branched line, in which at least one individual core branches off at a defined branching point from the remaining group of lines.
  • the line is therefore designed in the manner of a cable set, are connected via the plurality of consumers at different positions, which are connected for example to a common control unit, leads to the trunk group.
  • the adhesive layer is applied sufficiently thick at least in a partial area and preferably only in a partial area, namely in particular in the region of the sealing element, so that a longitudinal water-tightness is achieved.
  • the adhesive layer is preferably applied sufficiently thick at least in this subregion, so that all free spaces in the interior of the cable bundle are filled with the material of the adhesive layer.
  • the thickness of the adhesive layer in this subregion is usually in particular significantly greater than in the remaining regions of the conduit. The required thickness depends on the material requirements for filling in the free spaces, which in turn depends on the diameter of the individual cores and / or their arrangement, for example.
  • the line is used in particular in a motor vehicle and is part of the electrical system there.
  • the sheath-free design generally provides a cost-effective line with low material consumption and low weight compared to a conventional sheathed cable.
  • the line is preferably a prefabricated, jacket-free line to which at least one plug is connected at the end or an electrical component is directly contacted.
  • the line is glued over the adhesive layer directly on a component of the motor vehicle, which defines a support for the line.
  • This component is, for example, a body component, such as a carrier element or a strut.
  • the cable is fastened to a modular component which is used as a prefabricated unit. special in conjunction with other functional units (electrical / mechanical) is installed in the vehicle.
  • This module component can be, for example, a door module which carries components such as loudspeakers, windows, etc. Alternatively, it is a dashboard or a dashboard or other other modules.
  • the use is not limited to motor vehicles.
  • the carrier or the component, to which the line is applied can also be used in other vehicles, aircraft, ships or in stationary machines or other installations.
  • the conduit is preferably a live conduit, i. In operation, it is used to power electrical components and not for data transmission.
  • the object is further achieved by a single wire with adhesive layer attached thereto according to claim 13.
  • the cited in connection with the line advantages and preferred embodiments can be analogously transmitted to the single wire.
  • the individual wire with the applied adhesive layer is preferably stored, for example, wound on drums. If necessary, then the laying of the individual vein on a carrier and / or the connection with other individual wires, in particular in the context of a stranding.
  • the object is finally achieved according to the invention by a method for producing such an electrical line with the features of claim 15, which is formed from a wire bundle of at least two individual wires, each having a conductor surrounding an insulation.
  • an adhesive layer is applied to the insulation of at least one of the individual cores, preferably on all individual cores, then the individual cores are joined together to form a cable bundle and glued together via the adhesive layer or glued to a support.
  • the adhesive layer is preferably a reactive coating which, after assembly, crosslinks the individual cores, so that a composite, in particular irreversibly releasable, is formed.
  • the material for the adhesive layer is in particular a reactive one-component adhesive.
  • the crosslinking reaction is triggered in particular by physical means, for example by heat input and / or light irradiation (UV radiation).
  • the adhesive layer is applied to the insulation of the respective individual core immediately before joining the individual wires to the cable bundle.
  • the application of the adhesive layer and the joining of the individual cores therefore occur within an open time window, within which the particular reactive adhesive is processable.
  • the adhesive layer is applied by extrusion, in particular by coextrusion or tandem extrusion together with the insulation.
  • Coextrusion is understood here to mean that the insulation of the individual core as well as the adhesive layer are applied within a process step by means of an extrusion tool.
  • the adhesive layer is applied by other application methods such as dipping, spraying, printing, etc.
  • the assembly of the individual cores takes place immediately after the application of the adhesive layer.
  • the individual cores are here in particular stranded together.
  • the wires are preferably brought into contact with each other or with the carrier, in particular pressed against each other, so pressed under the action of force against each other or against the carrier. This is preferably done with the aid of a (press) tool, which is moved, for example, relative to the wire bundle, for this purpose, either the wire bundle is pulled through the tool or alternatively, the tool is moved along the wire bundle.
  • the individual wires are placed in a tool mold and glued therein by activating the adhesive layer.
  • the crosslinking of the reactive material is preferably initiated by means of the tool.
  • the tool is, for example, a hot air blower, an induction tool, heating resistors, etc., in order to apply in each case a required melting and activation temperature for the initiation of the crosslinking reaction.
  • the pressing together of the individual cores does not necessarily have to be done via the tool. Rather, there is also the possibility that this is done, for example, by the stranding process itself to a sufficient extent, i. the forces exerted on the individual wires during the stranding process are sufficient.
  • a hot plier is used as the activation tool, which simultaneously presses the individual wires against each other or against the carrier and also initiates the crosslinking reaction via a temperature entry.
  • FIGS. show each in partially simplified representations:
  • FIG. 2 is a fragmentary view of an electrical line consisting of a trunk group with two individual cores stranded together, which are glued together, 3 a branched electrical line designed in the manner of a cable set with a sealing element designed in the manner of a grommet, FIG.
  • FIG. 4 shows an exemplary cross-sectional view in the region of the sealing element of FIG. 3 and FIG
  • Fig. 5 is a block diagram representation for illustrating the manufacturing method for
  • the electrical line 2 shown in FIGS. 2 and 3 comprises in each case a line bundle 4, which is formed from a plurality of individual wires 6, which are preferably stranded together.
  • the single core 6 is formed of a central inner conductor 8, which is surrounded by an insulation 10 directly.
  • the insulation 10 is usually applied by extrusion to the conductor 8.
  • the insulation 10 in turn is surrounded by an adhesive layer 12, which in turn is preferably applied to the insulation 10 by extrusion.
  • the adhesive layer 12 may also be applied by other application methods.
  • the adhesive layer 12 surrounds the insulation 10 circumferentially and preferably forms a completely closed, annular jacket around the insulation 10.
  • the adhesive layer 12 extends in particular continuously over the entire length of the individual core. 6
  • the adhesive layer 12 typically has a thickness in the range of 5 ⁇ to 50 ⁇ . It therefore typically has a smaller thickness compared to the insulation 10.
  • the adhesive layer 12 is a reactive coating, in particular a reactive adhesive, which thus hardens after activation due to a crosslinking reaction and is therefore thermally stable.
  • the material for the adhesive layer 12 is an ethylene vinyl acetate, also referred to as EVA for short.
  • EVA ethylene vinyl acetate
  • the proportion of vinyl acetate is preferably in the range of 7 to 20 wt .-%, so that the desired properties are achieved.
  • EVA exhibits a thermoplastic behavior prior to crosslinking, and upon initiation and completion of the crosslinking reaction, it is thermally stable and exhibits a thermoset behavior.
  • the temperature for starting the crosslinking is typically in the range of 80 ° C to 250 ° C.
  • Such a material is generally thermoplastic prior to starting the crosslinking reaction and thus processable by extrusion, for example.
  • the material After application to the insulation 10, the material can cool again and harden thermoplastically, since the crosslinking reaction starts only at higher temperatures.
  • the activation of the adhesive layer 12 is therefore preferably offset in time for the application of the adhesive layer 12.
  • the provided with the adhesive layer 1 2 single core is also well storable.
  • the electrical line 2 according to FIG. 2 is designed as a stranded pair of two individual wires 6. These are firmly connected to one another via the adhesive layer 12, which is not visible here, so that the lay length set during the stranding process is fixed. In this electrical line 2 is in particular a data line. Several such paired single cores 6 may also be combined to form an overall trunk group 4. The individual couples do not necessarily need to be glued together. It is important that the individual wires 6 of a particular stranded composite are glued together. Nevertheless, it is also possible to twist all the individual wires 6 of the pairs with each other, so that all the individual wires 6 of the wire bundle 4 are glued together. FIG.
  • FIG. 3 shows, by way of example, an electrical line 2 branched in the manner of a line set, as used for example in motor vehicles.
  • this wiring harness is for integration in a door module for electrical connection of components 14 in the door, such as speakers, windows, etc.
  • components 14 are exemplified by circles.
  • the illustrated components 14 are connected directly to the electrical line 2.
  • a connector 1 6 is shown, via which a further component can be connected via a plug connection.
  • the line bundle 4 has a plurality of branching points 18, at which usually two individual cores 6 branch off and lead to the respective component 14 or to the plug 1 6. Due to the irreversible adhesive connection, the branching points 18 are already formed in the production of the electrical line 2, that is already in the production, the individual branched individual wires 6 separated according to their later course from the rest of the trunk group 4 and only to the branch point 18 with the other individual wires. 6 bonded.
  • the conduit 2 is glued directly to a carrier, for example a prefabricated module unit such as the mentioned door module, over the adhesive layer 12.
  • a carrier for example a prefabricated module unit such as the mentioned door module
  • no further holding elements for fixing the line 2 are present on the carrier.
  • the assembly of the line 2 takes place on the carrier by the line 2 is heated and pressed against the carrier.
  • a branched line 2 is used, for example, in a door module.
  • the electrical line 2 is led from a wet to a dry area.
  • a sealing element 20 designed in the manner of a grommet is attached, which For example, sprayed or cast around the cable bundle 4. It consists of a suitable plastic or rubber material.
  • the adhesive layer 12 has a sufficient thickness, so that all inner interstices 22 between the individual cores 6 are reliably closed by the material of the adhesive layer 12.
  • FIG. 4 shows a section through the sealing element 20 in a simplified manner.
  • a total of six individual wires 6 are connected to one another to form a cable bundle 4. Conveniently, two are each stranded into a pair.
  • At least one individual core is adhesively bonded to a carrier (not illustrated here).
  • the adhesive layer is activated.
  • the individual wires 10 need not necessarily be glued together, but can also be laid next to each other for themselves on the support.
  • step I the production of the individual wire 6 takes place by an extrusion process, for example a coextrusion or tandem extrusion process.
  • the conductor 8 in particular a stranded wire, a first material M for the insulation 12, an adhesive material K and, if necessary, a color concentrate F a tool, in particular special an extrusion tool supplied.
  • the first material M is first extruded onto the conductor 8 together with the color concentrate F to form the insulation 10 and then or parallel thereto, the adhesive K is extruded onto the extruded insulation 10 as a reactive substance.
  • step II the individual wires 6 are brought together, in particular stranded with each other, so that the line bundle 4 is already formed.
  • step III an activation of the adhesive K by a heat input, so that the crosslinking reaction is started. This is preferably done by means of an activation tool.
  • the finished end product namely the particular stranded pair 2, obtained.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Insulated Conductors (AREA)
  • Communication Cables (AREA)

Abstract

L'invention concerne un câble électrique (2) comprenant un toron (4) constitué d'au moins deux brins individuels (6) qui comprennent chacun un conducteur (8) entouré d'un isolant (10). Une couche d'adhésif (12) entourant l'isolant (10) sous forme annulaire, par le biais de laquelle les brins individuels (6) sont collés ensemble, est déposée au moins sur un, de préférence sur tous les brins individuels (6). Le toron (4) ne possède pas de gaine de câble entourant le toron (4). La couche d'adhésif est notamment un revêtement réactif qui est réticulé après son activation afin d'obtenir une liaison thermiquement stable. Le toron est notamment constitué de brins individuels (6) torsadés, utilisés en particulier comme câble de données. Cette structure comprenant la couche d'adhésif (12) permet de se passer de la gaine de câble, donnant ainsi une structure compacte. En même temps, la géométrie du toron (4) est fixée, en particulier le pas de toronnage, ce qui a un effet positif sur les propriétés de transmission dans le cas d'un câble de données.
EP15707289.3A 2014-02-04 2015-02-02 Câble électrique ainsi que procédé de production d'un toron de câbles électriques Not-in-force EP3103121B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014201992.3A DE102014201992A1 (de) 2014-02-04 2014-02-04 Elektrische Leitung sowie Verfahren zur Herstellung eines elektrischen Leitungsbündels
PCT/EP2015/052097 WO2015117926A1 (fr) 2014-02-04 2015-02-02 Câble électrique ainsi que procédé de production d'un toron de câbles électriques

Publications (2)

Publication Number Publication Date
EP3103121A1 true EP3103121A1 (fr) 2016-12-14
EP3103121B1 EP3103121B1 (fr) 2018-01-03

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP15707289.3A Not-in-force EP3103121B1 (fr) 2014-02-04 2015-02-02 Câble électrique ainsi que procédé de production d'un toron de câbles électriques

Country Status (7)

Country Link
US (1) US20160343471A1 (fr)
EP (1) EP3103121B1 (fr)
JP (1) JP2017511957A (fr)
KR (1) KR20160129851A (fr)
CN (1) CN106256007A (fr)
DE (1) DE102014201992A1 (fr)
WO (1) WO2015117926A1 (fr)

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EP3103121B1 (fr) 2018-01-03
DE102014201992A1 (de) 2015-08-06
CN106256007A (zh) 2016-12-21
KR20160129851A (ko) 2016-11-09
JP2017511957A (ja) 2017-04-27
US20160343471A1 (en) 2016-11-24

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