EP2172946A1 - Electric cable for connecting to mobile electrical devices - Google Patents

Electric cable for connecting to mobile electrical devices Download PDF

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Publication number
EP2172946A1
EP2172946A1 EP09305571A EP09305571A EP2172946A1 EP 2172946 A1 EP2172946 A1 EP 2172946A1 EP 09305571 A EP09305571 A EP 09305571A EP 09305571 A EP09305571 A EP 09305571A EP 2172946 A1 EP2172946 A1 EP 2172946A1
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EP
European Patent Office
Prior art keywords
layer
wires
insulating material
screen
line
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EP09305571A
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German (de)
French (fr)
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EP2172946B1 (en
Inventor
Ferdinand Grögl
Thomas Mann
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Nexans SA
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Nexans SA
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    • 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
    • H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
    • H01B7/041—Flexible cables, conductors, or cords, e.g. trailing cables attached to mobile objects, e.g. portable tools, elevators, mining equipment, hoisting cables

Definitions

  • the invention relates to an electrical line for connecting portable electrical Verbrauscheran a supply source according to the preamble of patent claim 1.
  • Such lines are used, for example, in drag chains and for connecting mobile devices, in particular robots, with a voltage or signal source.
  • the lines must be mechanically loadable, with a long-term uniform bending strength. They should also be able to bend well over a wide temperature range, for example between -40 ° C and +80 ° C.
  • Of particular importance for such lines are in addition to resistance to Tmperatur and torsion adhere to their electrical Egense. This particularly applies to the conductors for the transmission of data with operating frequencies of more than 100 MHz.
  • the well-known line after the DE 101 62 739 A1 has in addition to other transmission elements two date nübertragungstechnischen and one of the power supply the nende power line, which are each surrounded by an electric screen.
  • the data transfer lines each consist of a wire pair with two insulated electrical conductors and the power line has four wires of insulated electrical conductors. This known line has proven itself in practice. Their preparation is but consuming.
  • EP-A-1 589 541 is an electrical line for connecting portable electrical load to a supply source described which has a jacket of insulating material to give soul soul in which so well the transmission of data and the power supply, the nende, consisting of insulated electrical conductors wires are arranged.
  • the line core of the serbe knew line is surrounded by a two layers having the electric screen, one of which is designed as a braid or Umseilung of copper wires, while the other has at least one layer of an electrically conductive made of non-woven plastic material.
  • a wire pair is mounted in the line core, which is surrounded by a shield. In the other opposite gussets between the wires of the pair of wires outside the shield each one of the power supply the nende supply wire is arranged.
  • the invention has for its object to provide a line of the type described above, the more compact and easier to produce as suitable for the transmission of data with operating frequencies of over 100 MHz.
  • This line can be easily manufactured in conventional techniques. It consists in the Kausseele four to a four-star in and umverseilten wires for data transmission and at least two wires for power supply, which are stranded together in a preferred embodiment form.
  • the star quad is a symmetrical formation of two pairs of veins, all of the same length. Divergence differences for the data on the two pairs can be excluded and crosstalk between the two transmission circuits is minimized by the good electrical decoupling of the two pairs given by the star quad's symmetry.
  • the dimensions of the star quad are kept small except that it does not have its own external electrical shield , also called element screen, has. This also applies to the power supply the nenden Veins.
  • the star quad and the power supply, the nenden wires can also be easily stranded because of the missing element screens.
  • the layer of insulating material preferably a polypropylene nonwoven material, ensures a sufficiently low capacitance between the shield and the line core.
  • the electrical shielding against high frequency electromagnetic fields provides as a further layer of the screen over a wide frequency range, the metallized nonwoven material sure, which forms an around closed layer of electrically conductive material.
  • the metal present in the nonwoven material which is preferably copper, is deposited from the vapor phase.
  • nonwoven material is then "pervasively" coated. It thereby has a porous, although the almost completely to metal layer, which results in a covering of the closed inner tube with electrically active, metallic material of> 85%.
  • nickel or silver can be deposited in addition to the copper example.
  • a preferred embodiment is shown form the line in the two power supply, the nende wires are stranded to a Adercrueinan.
  • the line should at least two power supply have the nende wires that are stranded with an existing in the line soul also Stemvierer.
  • the line after Fig.1 consists of one of the power supply, the nenden wire pair A and a data transmission serving star quad S.
  • the wire pair A two of an insulated electrical Conderbadehende wires 1 are stranded with each other.
  • the stranding length of the wire pair A is advantageously in the range of 8 x D1 to 14 x D1 with the diameter D1 of the wire pair in mm.
  • the star quad S has four on the stranded wires 2, each made of an insulated conductor.
  • the stranding length of the star quad S is advantageously in the range between 5 x D2 and 8 x D2 with the diameter D2 of the star quad in mm.
  • Core pair A and star quad S are mite in anderverseilt.
  • the filling elements 3 and 4 are preferably made of polypropylene fibers or polytetrafluoroethylene (PTFE) low density.
  • the stranding of wire pair A and four-star S to the core soul is preferably carried out in counterstrike the stranding of the wires 1 of the wire pair A on the one hand and the wires 2 of the star quad S on the other hand.
  • the stranding length is advantageously in the range of 6 xD3 to 14 xD3 with the diameter D3 of the cable core in mm.
  • a layer 5 of insulating material is attached, which is surrounded by an electric screen.
  • the screen has a voltage applied to the layer 5 first layer 6, which is preferably designed as a braid or Umseilung of copper wires.
  • a second layer 7 of the same which consists of electrically conductive nonwoven material.
  • An outer jacket 8 of insulating material gives the second layer 7 of the screen.
  • the conductors of the wires 2 of the star quad S are preferably embodied as stranded conductors consisting of seven copper wires with a cross section of, for example, 0.25 mm 2 .
  • stranded conductors consisting of seven copper wires with a cross section of, for example, 0.25 mm 2 .
  • six thinner copper wires may be arranged in the outer wraps of the wires. This possibly leads to a further reduction of the line attenuation.
  • the wires of the stranded conductor can also be made of a copper alloy, such as a copper-tin alloy.
  • the insulation of the conductor to the exact extent to be extruded solid material, in particular from Polyethylene (PE), polypropylene (PP) or a fluoropolymer (FEP, PTFE, PFA), if the line is to be used in areas with high temperatures.
  • PE Polyethylene
  • PP polypropylene
  • FEP fluoropolymer
  • PTFE PTFE
  • PFA fluoropolymer
  • the star quad S is made in the conventional art by stranding four wires 2, preferably with reverse rotation of the wires, so that a twist-free star quad results with precisely positioned cores.
  • the conductors of the wires 1 of the wire pair A provided for the power supply have, for example, a cross section of 0.38 mm 2 .
  • the diameter of the wires 1 can also be for example a maximum of 1.05 mm.
  • the layer 5 of insulating material is advantageously made of a PP nonwoven material, a foamed PP or a PTFE of no density, if the line is to be used at high temperatures.
  • a band of such material may preferably be wrapped around the conduit soul with overlap.
  • the layer 5 can also be in a modified form of execution as a so-called mecanicmantelausge leads, which also fills the gusset between the star quad S and the wire pair A. The separate filling elements 3 and 4 are then omitted.
  • the copper wires of the braid or Umseilung can be tinned. Be in the use of the line at higher temperatures and silver-plated or nickel-plated copper wires can be used.
  • the nonwoven fabric of the second layer 7 of the screen is in a preferred embodiment a polyester. It may, in particular at higher operating temperatures, but also consist of other suitable plastics, such as aramid or glass fibers. Its wall thickness or thickness is preferably between 80 .mu.m and 300 .mu.m. For its metallization, at least one electrically highly conductive metal is used, in particular copper or silver. A copper layer produced in this way can be provided with an additional nickel layer. The deposition of the respective metal takes place by means of the plasma technique from the vapor phase on the nonwoven material.
  • the nonwoven material is preferably wrapped as a tape with overlap around the first ply 6 of the screen.
  • the jacket 8 consists for example of polyvinyl chloride, polyurethane, a thermoplastic elastomer, silicone or a fluoroelastomer.
  • the line after Fig. 1 is suitable, for example, for use in drag chains, in which it is subjected to bending stress.
  • Such a line is claimed not only to bending, but also to torsion.
  • the electric screen in addition an inner layer 9 of two metal-laminated plastic films, which may have a metal layer on one side or both sides.
  • the two films are wrapped with advantage around each gap around the layer 5 herumge.
  • the outer film preferably covers the gaps of the inner film.
  • Each of the foils is made of polyester, polyimide or PEEK, for example, with a single-side or double-sided coating of copper or aluminum.
  • the first layer 6 of the screen is attached to the upper layer 9 of the screen, which is then advantageously designed as a stranding of tinned, silvered or nickel-plated copper wires ,
  • the second layer 7 of the screen can in this embodiment form the line also consist of two bands of the above-explained metallized nonwoven material, which are wound up with a gap on the first layer 6.
  • the outer band covers the gaps of the inner band.

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  • Communication Cables (AREA)
  • Cable Accessories (AREA)
  • Insulated Conductors (AREA)
  • Processing Of Terminals (AREA)

Abstract

The cable has a wire (1) serving as a power supply, and an insulating material coating (5) applied over a cable core. A star circuit (S) and the wire are stranded with each other as a stranding element for forming the cable core. A web and/or a spiral of copper wire are arranged as a layer (6) of electrical shield over the insulating material coating. A layer (7) of electrically conductive non-woven material is applied over the layer of electrical shield, where the non-woven material is surrounded by an insulating material cladding (8).

Description

Die Erfindung bezieht sich auf eine elektrische Leitung zum Anschluß ortsveränderlicher elektrischer Verbrauscheran eine Speisequelle gemäß dem Oberbegriff des Patentanspruchs 1.The invention relates to an electrical line for connecting portable electrical Verbrauscheran a supply source according to the preamble of patent claim 1.

Eine solche Leitung geht aus der EP-A-1 589 541 hervor.Such a line goes out of the EP-A-1 589 541 out.

Derartige Leitungen werden beispielsweise in Schleppketten und zum Verbinden von ortsveränderlichen Geräten, insbesondere von Robotern, mit einer Spannungs- bzw. Signalquelle eingesetzt.Die Leitungen müssen mechanisch be lastbarsein, mit einer auf lange Zeitgleichbleibenden Biegefestigkeit. Sie sollen auch in einem weiten Temperatur bereich gut biegbarbleiben, der beispielseise zwischen -40 °C und +80 °C liegt. Von besonderer Bedeutung für solche Leitungen sind neben Beständigkeit gegen Tmperatur und Torsion ihre elektrischen Egense haften. Das be zieht sich besonders auf die fürdie Übertragung von Daten vorhandenen Leitermit Betriebsfre quenzen von über 100 MHz.Such lines are used, for example, in drag chains and for connecting mobile devices, in particular robots, with a voltage or signal source. The lines must be mechanically loadable, with a long-term uniform bending strength. They should also be able to bend well over a wide temperature range, for example between -40 ° C and +80 ° C. Of particular importance for such lines are in addition to resistance to Tmperatur and torsion adhere to their electrical Egense. This particularly applies to the conductors for the transmission of data with operating frequencies of more than 100 MHz.

Die bekannte Leitung nach der DE 101 62 739 A1 weist neben anderen Üertragungs elementen zwei Date nübertragungsleitungen und eine der Stromversorgung die nende Stromleitung auf, die jeweils von einem elektrischen Schirm umgeben sind. Die Datenübeitragungsleitungen bestehen jeweils aus einem Aderpaar mit zwei isolierten elektrischen Leitern und die Stromleitung weist vier Adern aus isolierten elektrischen Leitern auf. Diese bekannte Leitung hat sich in der Praxis bewährt. Ihre Herstellung ist aberaufwendig.The well-known line after the DE 101 62 739 A1 has in addition to other transmission elements two date nübertragungsleitungen and one of the power supply the nende power line, which are each surrounded by an electric screen. The data transfer lines each consist of a wire pair with two insulated electrical conductors and the power line has four wires of insulated electrical conductors. This known line has proven itself in practice. Their preparation is but consuming.

In der eingang erwähnten EP-A-1 589 541 ist eine elektrische Leitung zum Anschluß ortsveränderlicher elektrischer Verbraucheran eine Speisequelle beschrieben, welche eine von einem Mantel aus Isolier material um gebene Leitungsseele aufweist, in der so wohlder Übertragung von Daten als auch der Stromversorgung die nende, aus isolierten elektrischen Leitern bestehende Adern angeordnet sind. Die Leitungsseele die serbe kannten Leitung ist von einem zwei Lagen aufweisen den elektrischen Schirm umgeben, von denen eine als Geflecht bzw. Umseilung aus Kupferdrähten ausgeführt ist, während die andere mindestens eine Schicht aus einem elektrischleitfähig gemachten, aus Kunststoff bestehenden Vliesmaterial aufweist. Zur Date nübertragung ist in der Leitungsseele ein Aderpaarangebracht, das von einer Abschirmung umgeben ist. In den ein andergegenüber liegenden Zwickeln zwischen den Adern des Aderpaars ist außerhalb der Abschirmung je eine der Stromversorgung die nende Versorgungsader angeordnet.In the entrance mentioned EP-A-1 589 541 is an electrical line for connecting portable electrical load to a supply source described which has a jacket of insulating material to give soul soul in which so well the transmission of data and the power supply, the nende, consisting of insulated electrical conductors wires are arranged. The line core of the serbe knew line is surrounded by a two layers having the electric screen, one of which is designed as a braid or Umseilung of copper wires, while the other has at least one layer of an electrically conductive made of non-woven plastic material. For date nübertragung a wire pair is mounted in the line core, which is surrounded by a shield. In the other opposite gussets between the wires of the pair of wires outside the shield each one of the power supply the nende supply wire is arranged.

Der Erfindung liegt die Aufgabe zugrunde, eine Leitung der eingangs geschilderten Art anzugeben, die kompakter und einfacherherzustellen so wie für die Übertragung von Daten mit Betriebsfrequenzen von über 100 MHz geeignet ist.The invention has for its object to provide a line of the type described above, the more compact and easier to produce as suitable for the transmission of data with operating frequencies of over 100 MHz.

Diese Aufgabe wird gemäß den kennzeichnenden Merkmalen des Patentanspruchs 1 gelöst.This object is achieved according to the characterizing features of claim 1.

Diese Leitung ist in her kömmlicher Technike infach herstellbar. Sie besteht in der Leitungsseele aus vier zu einem Sternvierermite in and erverseilten Adern zur Datenübertragung und aus mindestens zwei Adern zur Stromversorgung, die in bevorzugter Ausführungs form miteinander verseilt sind. Der Sternvierer ist ein symmetrisches Gebilde aus zwei Paaren von Adern, die alle die gleiche Länge haben. Laufzeitunterschiede für die Daten auf den beiden Paarenkönnen ausgeschlossen werden und ein Nebensprechen zwischen den beiden Übertragungskreisen ist durch die durch die Symmetrie des Sternvierersgegebene gute elektrische Entkopplung der beiden Paare minimiert.Die Abmessungen des Sternvierers sind außer dem klein gehalten, weil derselbe keinen eigenen äußeren elektrischen Schirm, auch Elementschirm genannt, hat. Das gilt auch für die der Stromversorgung die nenden Adern. Der Sternvierer und die der Stromversorgung die nenden Adern können wegen derfehlenden Elementschirme außerdem einfach mit ein ander verseilt werden. Die Schicht aus Isoliermaterial, vorzugsweise ein Vliesmaterial aus Polypropylen, stellt eine ausreichend niedrige Kapazität zwischen dem Schirm und der Leitungsseele sicher. Das Geflecht bzw. die Umseilung aus Kupferdrähten als eine Lage des Schirms be wirkt eine optimierte Leitungsdämpfung. Die elektrische Abschirmung gegen hochfrequente elektromagnetische Felderstellt als weitere Lage des Schirms über einen weiten Frequenzbereich das metallisierte Vliesmaterialsicher, welches eine rund um geschlossene Schicht aus elektrisch leitendem Material bildet. Das im Vliesmaterial vorhandene Metall, bei dem es sich vorzugsweise um Kupferhandelt, wird aus der Dampfphase abgeschieden. Es schlägt sich nicht nur auf der äußeren Oberfläche des Vliesmaterials nie der, sondern dringt auch in dasselbe ein und umhüllt dessen innere Fasern, die bekanntermaßen ungeorednet im Vliesmaterial zus am mengehalten sind. Das Vliesmaterialist danach "durchdringend" beschichtet. Es hat dadurch eine zwar poröse, abertrotz dem nahe zu vollständige Metallschicht, die eine Bedeckung der um schlossenen Leitungsseele mit elektrisch wirksamem, metallischem Material von > 85 % ergibt. Zur Bildung einer Korrosions- bzw. Oxidations schutz schicht können zusätzlich zum Kupferbeispielsweise Nickeloder Silberabgeschieden werden.This line can be easily manufactured in conventional techniques. It consists in the Leitungsseele four to a four-star in and umverseilten wires for data transmission and at least two wires for power supply, which are stranded together in a preferred embodiment form. The star quad is a symmetrical formation of two pairs of veins, all of the same length. Divergence differences for the data on the two pairs can be excluded and crosstalk between the two transmission circuits is minimized by the good electrical decoupling of the two pairs given by the star quad's symmetry. The dimensions of the star quad are kept small except that it does not have its own external electrical shield , also called element screen, has. This also applies to the power supply the nenden Veins. The star quad and the power supply, the nenden wires can also be easily stranded because of the missing element screens. The layer of insulating material, preferably a polypropylene nonwoven material, ensures a sufficiently low capacitance between the shield and the line core. The braid or umseilung of copper wires as a layer of the screen be acts an optimized line attenuation. The electrical shielding against high frequency electromagnetic fields provides as a further layer of the screen over a wide frequency range, the metallized nonwoven material sure, which forms an around closed layer of electrically conductive material. The metal present in the nonwoven material, which is preferably copper, is deposited from the vapor phase. Not only does it never strike itself on the outer surface of the nonwoven material, but it also penetrates into it and envelops its inner fibers, which are known to be held together in a non-recycled manner in the nonwoven material. The nonwoven material is then "pervasively" coated. It thereby has a porous, although the almost completely to metal layer, which results in a covering of the closed inner tube with electrically active, metallic material of> 85%. To form a corrosion or oxidation protection layer, nickel or silver can be deposited in addition to the copper example.

Ausführungs beispiele des Erfindungs gegenstandes sind in den Zeichnungen dargestellt.Embodiment examples of the invention subject matter are shown in the drawings.

Es zeigen:

  • Fig. 1 einen Querschnitt durch eine Leitung nach der Erfindung.
  • Fig. 2 einen Querschnitt durch eine zweite Ausführungs form der Leitung.
Show it:
  • Fig. 1 a cross section through a conduit according to the invention.
  • Fig. 2 a cross section through a second embodiment form of the line.

In den Zeichnungen ist eine bevorzugte Ausführungs form der Leitung dargestellt, in der zweider Stromversorgung die nende Adern zu einem Aderpaarmiteinan der verseilt sind. Die Leitung soll mindestens zweider Strorn versorgung die nende Adern haben, die mit einem in der Leitungsseele außerdem vorhandenen Stemviererverseilt sind. In der folgenden Beschreibung wird die Leitung - stellvertretend auch für die anderen möglichen Ausführungs formen - für die bevorzugte Ausführungs form beschrieben.In the drawings, a preferred embodiment is shown form the line in the two power supply, the nende wires are stranded to a Aderpaarmiteinan. The line should at least two power supply have the nende wires that are stranded with an existing in the line soul also Stemvierer. In the following description, the line - representative of the other possible forms of execution - described for the preferred embodiment form.

Die Leitung nach Fig.1 besteht aus einem der Stromversorgung die nenden Aderpaar A und einem der Datenübertragung dienenden Sternvierer S. Im AderpaarA sind zwei aus einem isolierten elektrischen Leiterbestehende Adern 1 mit einander verseilt. Die Verseilschlaglänge des Aderpaars A liegt mit Vorteil im Bereich von 8 x D1 bis 14 x D1 mit dem Durchmesser D1 des Aderpaars in mm. Der Sternvierer S weist vier mit einan der verseilte Adern 2 auf, die jeweils aus einem isolierten Leiterbestehen. Die Verseilschlaglänge des Sternvierer Sliegt mit Vorteil im Bereich zwischen 5 x D2 und 8 x D2 mit dem Durchmesser D2 des Sternvierers in mm. Aderpaar A und Sternvierer S sind mite in anderverseilt. Sie bilden zusammen mit zwei Füllelementen 3 und 4 aus Kunststoff die Leitungsseele der Leitung. Die Füll elemente 3 und 4 bestehen vorzugsweise aus Polypropylen fasern oder aus Polytetrafluorethylen (PTFE) niedriger Dichte. Die Verseilung von Aderpaar A und Sternvierer S zur Leitungsseele erfolgt vorzugsweise im Gegenschlag zur Verseilrichtung der Adern 1 des Aderpaars A einerseits und der Adern 2 des Sternvierers S anderer seits. Die Verseilschlaglänge liegt mit Vorteil im Bereich von 6 xD3 bis 14 xD3 mit dem Durchmesser D3 der Leitungsseele in mm.The line after Fig.1 consists of one of the power supply, the nenden wire pair A and a data transmission serving star quad S. In the wire pair A, two of an insulated electrical Conderbadehende wires 1 are stranded with each other. The stranding length of the wire pair A is advantageously in the range of 8 x D1 to 14 x D1 with the diameter D1 of the wire pair in mm. The star quad S has four on the stranded wires 2, each made of an insulated conductor. The stranding length of the star quad S is advantageously in the range between 5 x D2 and 8 x D2 with the diameter D2 of the star quad in mm. Core pair A and star quad S are mite in anderverseilt. They form together with two filling elements 3 and 4 made of plastic, the line core of the line. The filling elements 3 and 4 are preferably made of polypropylene fibers or polytetrafluoroethylene (PTFE) low density. The stranding of wire pair A and four-star S to the core soul is preferably carried out in counterstrike the stranding of the wires 1 of the wire pair A on the one hand and the wires 2 of the star quad S on the other hand. The stranding length is advantageously in the range of 6 xD3 to 14 xD3 with the diameter D3 of the cable core in mm.

Über der Leitungsseele ist eine Schicht 5 aus Isoliermaterial angebracht, welche von einem elektrischen Schirm umgeben ist. Der Schirm hat eine an der Schicht 5 anliegende erste Lage 6, welche vorzugsweise als Geflecht bzw. Umseilung aus Kupferdrähten ausgeführt ist. Überderersten Lage 6 des Schirms ist eine zweite Lage 7 desselben angeordnet, welche aus elektrisch leitfähig gemachtem Vliesmaterial besteht. Ein äußerer Mantel 8 aus Isoliermaterialum gibt die zweite Lage 7 des Schirms.Over the line core, a layer 5 of insulating material is attached, which is surrounded by an electric screen. The screen has a voltage applied to the layer 5 first layer 6, which is preferably designed as a braid or Umseilung of copper wires. Above the first layer 6 of the screen is a second layer 7 of the same, which consists of electrically conductive nonwoven material. An outer jacket 8 of insulating material gives the second layer 7 of the screen.

Die Leiter der Adern 2 des Sternvierers S sind vorzugsweise als aus sieben Kupferdrähten bestehende Litzenleiter mit einem Querschnitt von beispielsweise 0,25 mm2 ausgeführt. Zur Vergrößerung des elektrisch leitenden Querschnitts dieser Leiterkönnen in den Außenzwickeln der Drähte zusätzlich sechs dünnere Kupferdrähte angeordnet sein. Das führt gegebenenfalls zu einer weiteren Verminderung der Leitungsdämpfung. Die Drähte des Litzenleiters können auch aus einer Kupferlegierung bestehen, wie beispielsweise einer Kupfer-Zinn-Legierung. Zur Einhaltung eines vorgegebenen Durchmessers von beispielsweise 1,05 mm maximal für die Adern 2 besteht die Isolierung der Leiter ausmaßgenau zu extrudierendem massivem Material, insbesondere aus Polyethylen (PE), Polypropylen (PP) oder aus einem Fluorpolymer(FEP, PTFE, PFA), wenn die Leitung in Gebieten mit hohen Temperaturen eingesetzt werden soll.The conductors of the wires 2 of the star quad S are preferably embodied as stranded conductors consisting of seven copper wires with a cross section of, for example, 0.25 mm 2 . To increase the electrically conductive cross section of these conductors, in addition, six thinner copper wires may be arranged in the outer wraps of the wires. This possibly leads to a further reduction of the line attenuation. The wires of the stranded conductor can also be made of a copper alloy, such as a copper-tin alloy. To maintain a predetermined diameter of, for example, 1.05 mm maximum for the wires 2, the insulation of the conductor to the exact extent to be extruded solid material, in particular from Polyethylene (PE), polypropylene (PP) or a fluoropolymer (FEP, PTFE, PFA), if the line is to be used in areas with high temperatures.

Der Sternvierer S wird in üblicher Technik durch Verseilen von vier Adern 2 vorzugsweise mit Rückdrehung der Adern, hergestellt, so daß sich ein drallfreier Sternvierer mit maßgenau positionierten Adern ergibt.The star quad S is made in the conventional art by stranding four wires 2, preferably with reverse rotation of the wires, so that a twist-free star quad results with precisely positioned cores.

Die Leiter der Adern 1 des für die Stromversorgung vorgesehenen Aderpaars A haben beispielsweise einen Querschnitt von 0,38 mm2. Der Durchmesser der Adern 1 kann ebenfalls beispielsweise maximal 1,05 mm betragen.The conductors of the wires 1 of the wire pair A provided for the power supply have, for example, a cross section of 0.38 mm 2 . The diameter of the wires 1 can also be for example a maximum of 1.05 mm.

Die Schicht 5 aus Isoliermaterial besteht mit Vorteil aus einem PP-Vliesmaterial, aus einem geschäumten PP oder auch aus einem PTFE nie derer Dichte, wenn die Leitung beihohen Temperaturen eingesetzt werden soll. Ein Band aus einem derartigen Material kann vorzugsweise mit Überlappung um die Leitungsseele herumge wickelt werden. Die Schicht 5 kann in einer abgewandelten Ausführungs form auch als so genannter Innenmantelausge führt sein, derauch die Zwickelzwischen dem Sternvierer S und dem AderpaarA ausfüllt. Die separaten Füllelemente 3 und 4 entfallen dann.The layer 5 of insulating material is advantageously made of a PP nonwoven material, a foamed PP or a PTFE of no density, if the line is to be used at high temperatures. A band of such material may preferably be wrapped around the conduit soul with overlap. The layer 5 can also be in a modified form of execution as a so-called Innenmantelausge leads, which also fills the gusset between the star quad S and the wire pair A. The separate filling elements 3 and 4 are then omitted.

Die Kupferdrähte des Geflechts bzw. der Umseilung können verzinnt sein. Be im Einsatz der Leitung beihöheren Temperaturen können auch versilberte oder vernickelte Kupferdrähte verwendet werden.The copper wires of the braid or Umseilung can be tinned. Be in the use of the line at higher temperatures and silver-plated or nickel-plated copper wires can be used.

Das Vliesmatelialder zweiten Lage 7 des Schirms ist in bevorzugter Ausführungsform ein Polyester. Es kann, insbesondere bei höheren Betriebs temperaturen, aberauch aus anderen geeigneten Kunststoffen bestehen, wie beispielsweise Aramid oder Glasfasern. Seine Wandstärke bzw. Dicke liegt vorzugsweise zwischen 80 µm und 300 µm. Für seine Metallisierung wird mindestens ein elektrisch gut leitendes Metall verwendet, insbesondere Kupfer oder Silber. Eine so erzeugte Kupferschicht kann mit einer zusätzlichen Nickelschicht versehen werden. Die Abscheidung des jeweiligen Metalls erfolgt mittels der Plasmatechnik aus der Dampfphase auf dem Vliesmaterial.The nonwoven fabric of the second layer 7 of the screen is in a preferred embodiment a polyester. It may, in particular at higher operating temperatures, but also consist of other suitable plastics, such as aramid or glass fibers. Its wall thickness or thickness is preferably between 80 .mu.m and 300 .mu.m. For its metallization, at least one electrically highly conductive metal is used, in particular copper or silver. A copper layer produced in this way can be provided with an additional nickel layer. The deposition of the respective metal takes place by means of the plasma technique from the vapor phase on the nonwoven material.

Dabei dringen die Metalldämpfe auch in die relativ offene Faserstruktur des Vliesmaterials ein und umhüllen die dort befindlichen, ungeordnet zusammengehaltenen Fasern. Insgesamt wird auf und in dem Vliesmaterial eine zwar poröse, abernahe zu geschlossene Metallschicht erzeugt, die eine Bedeckung von > 85 % für einen umschlossenen Gegenstand - hier ist es die erste Lage 6 des Schirms - ergibt. Das Vliesmaterial wird vorzugsweise als Band mit Überlappung um die erste Lage 6 des Schirms herumgewickelt.The metal vapors penetrate into the relatively open fiber structure of the nonwoven material and envelop the there, held disordered fibers. Overall, a porous, close-to-closed metal layer is produced on and in the nonwoven material, which gives a coverage of> 85% for an enclosed object - here it is the first layer 6 of the screen. The nonwoven material is preferably wrapped as a tape with overlap around the first ply 6 of the screen.

Der Mantel 8 besteht beispielsweise aus Polyvinylchlorid , Polyurethan, einem thermoplastischen Elastomer, aus Silikon oder aus einem Fluorelastomer.The jacket 8 consists for example of polyvinyl chloride, polyurethane, a thermoplastic elastomer, silicone or a fluoroelastomer.

Die Leitung nach Fig. 1 ist beispielsweise für einen Einsatz in Schleppketten geeignet, in denen sie im wesentlichen auf Biegung beansprucht wird. Eine Leitung, die beispielsweise zum Einsatz bei Robotern bestimmt ist, geht aus Fig. 2 hervor. Eine solche Leitung wird nicht nur auf Biegung, sondern auch auf Torsion beansprucht. Die Leitungsseele der Leitung nach Fig. 2 entspricht einschließlich der die selbe umgebenden Schicht 5 aus Isoliermaterial der jenigen nach Fig. 1.The line after Fig. 1 is suitable, for example, for use in drag chains, in which it is subjected to bending stress. A line that is intended for use with robots, for example, goes out Fig. 2 out. Such a line is claimed not only to bending, but also to torsion. The line core of the line after Fig. 2 including the same surrounding layer 5 of insulating material according to the one Fig. 1 ,

Bei der Ausführungsform der Leitung nach Fig. 2 we ist der elektrische Schirm zusätzlich eine innere Lage 9 aus zwei metallkaschierten Kunststoff-Folien auf, die einseitig oder beidseitig eine Metallschicht aufweisen können. Die beiden Folien sind mit Vorteil jeweils mit Lücke um die Schicht 5 herumge wickelt. Dabei überdeckt die außen liegende Folie vorzugsweise die Lücken der innen liegenden Folie. Die Folien bestehen jeweils beispielsweise aus Polyester,Polyimid oder PEEK mit einere inseitigen oder beidseitigen Beschichtung aus Kupfer oder Aluminium.Uberderinneren Lage 9 des Schirms ist die erste Lage 6 desselben angebracht, die dann mit Vorteil als Umseilung aus verzinnten, versilberten oder vernickelten Kupferdrähten ausgeführt ist. Die zweite Lage 7 des Schirms kann bei dieser Ausführungs form der Leitung auch aus zwei Bändern aus dem oben erläuterten metallisierten Vliesmaterial bestehen, die mit Lücke auf die erste Lage 6 aufge wickelt sind. Dasaußenliegende Band überdeckt dabei die Lücken des innen liegenden Bandes.In the embodiment of the line after Fig. 2 we is the electric screen in addition an inner layer 9 of two metal-laminated plastic films, which may have a metal layer on one side or both sides. The two films are wrapped with advantage around each gap around the layer 5 herumge. In this case, the outer film preferably covers the gaps of the inner film. Each of the foils is made of polyester, polyimide or PEEK, for example, with a single-side or double-sided coating of copper or aluminum. The first layer 6 of the screen is attached to the upper layer 9 of the screen, which is then advantageously designed as a stranding of tinned, silvered or nickel-plated copper wires , The second layer 7 of the screen can in this embodiment form the line also consist of two bands of the above-explained metallized nonwoven material, which are wound up with a gap on the first layer 6. The outer band covers the gaps of the inner band.

Claims (4)

Elektrische Leitung zum Anschluß ortsveränderlicher elektrischer Verbraucheran eine Speisequelle, welche eine von einem Mantel aus Isoliermaterialumgebene Leitungsseele aufweist, in der so wohl der Übertragung von Datenalsauch der Stromversorgung die nende, aus isolierten elektrischen Leitern bestehende Adern angeordnet sind, und bei welcher die Leitungsseele von einem zwei Lagen aufweisenden elektrischen Schirm umgeben ist, von denen eine als Geflecht bzw. Umseilung aus Kupferdrähten und die andere aus einem elektrisch leitfähig gemachten Kunststoff bestehenden Vliesmaterial ausgeführt ist, dadurch gekennzeichnet, - daß in der Leitungsseele vierzu einem Sternvierer (S) mite inanderveiseilte Adern (2) zur Übertragung von Daten angeordnet sind, - daß in der Leitungsseele außerdem mindestens zwei der Stromversorgung dienende Adern (1) angebracht sind, - daß der Sternvierer (S) und die der Stromversorgung die nenden Adern (1) als Verseilelemente zur Bildung der Leitungsseele mit einanderverseilt sind , - daß über der Leitungsseele eine Schicht (5) aus Isoliermaterial angebracht ist, überderals Teil des elektrischen Schirms in einer ersten Lage (6) ein Geflecht b zw. eine Umseilung aus Kupferdrähten angeordnet ist, - daß überderersten Lage (6) als zweite Lage (7) des elektrischen Schirms das aus Kunststoff bestehende, elektrisch leitfähig gemachte Vliesmaterial in mindestens einer Schicht angebracht ist und - daß das Vliesmaterial von dem Mantel (8) aus Isoliermaterial um geben ist. Electric line for connecting portable electrical loads to a supply source having a line core surrounded by a sheath of insulating material, in which both the transmission of data and the power supply are arranged, the ends of insulated electrical conductors consisting of wires, and wherein the line core of a two Layers having electrical screen is surrounded, one of which is designed as a braid or Umseilung of copper wires and the other made of an electrically conductive plastic made nonwoven material, characterized - that in the line core four to a star quad (S) miteernandebeiseilte cores (2) are arranged for the transmission of data, - that in the line core also at least two of the power supply wires (1) are mounted, - That the star quad (S) and the power supply the nenden wires (1) are stranded as stranding elements to form the cable soul, that a layer (5) of insulating material is attached above the inner core, above which a braid b between a part of the electric screen in a first layer (6) is arranged between copper wires; - That above the first layer (6) as the second layer (7) of the electric screen, the plastic, electrically conductive made nonwoven material is mounted in at least one layer, and - That the nonwoven material of the jacket (8) is made of insulating material to give. Leitung nach Anspruch 1, dadurch gekennzeichnet, - daß zweider Stromversorgung die nende Adern (1) vorgesehen sind, die zu einem Aderpaar(A) mit ein anderverseilt sind, und - daß der Sternvierer (S) und das Aderpaar (A) mite inanderverseilt sind. Cable according to claim 1, characterized - That two power supply the nende wires (1) are provided, which are twisted to a pair of wires (A) with a, and - That the star quad (S) and the wire pair (A) mite stranded mite. Leitung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Schicht (5) aus Isoliermaterial aus einem Material auf der Basis von Polypropylen oder aus einem Polytetrafluorethylen nie derer Dichte besteht.A conduit according to claim 1 or 2, characterized in that the layer (5) of insulating material consists of a material based on polypropylene or of a polytetrafluoroethylene of never dener density. Leitung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß über der Schicht (5) aus Isoliermaterial als innere Lage (9) des Schirms zunächst zwei metallkaschierte Kunststoff-Folien, die einseitig oder beidseitig eine Metallschicht aufweisen, jeweils mit Lücke aufge wickelt sind, wobei die äußere Folie die Lücken der inneren Folie überdeckt, über welchen die erste, vorzugsweise als Umseilung ausgeführte Lage (6) des Schirmsangebracht ist.Cable according to one of claims 1 to 3, characterized in that over the layer (5) of insulating material as the inner layer (9) of the screen initially two metal-laminated plastic films, which have on one or both sides a metal layer, each wound with a gap wherein the outer film covers the gaps of the inner film over which the first, preferably as Umseilung executed layer (6) of the screen is mounted.
EP09305571A 2008-09-12 2009-06-19 Electric cable for connecting to mobile electrical devices Not-in-force EP2172946B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP09305571A EP2172946B1 (en) 2008-09-12 2009-06-19 Electric cable for connecting to mobile electrical devices

Applications Claiming Priority (2)

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EP08290856 2008-09-12
EP09305571A EP2172946B1 (en) 2008-09-12 2009-06-19 Electric cable for connecting to mobile electrical devices

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EP2172946B1 EP2172946B1 (en) 2011-01-05

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107993753A (en) * 2017-12-29 2018-05-04 东莞金信诺电子有限公司 A kind of small outside diameter high-speed cable of low-loss
WO2020193162A1 (en) * 2019-03-28 2020-10-01 Leoni Kabel Gmbh Cable for electrical data transmission and production method for a cable

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3336856A1 (en) 2016-12-16 2018-06-20 Nexans Electrical conduit

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10162739A1 (en) * 2001-12-20 2003-07-03 Nexans Flexible electrical wire
EP1589541A1 (en) * 2004-04-19 2005-10-26 Nexans Flexible electric power and control cable

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10162739A1 (en) * 2001-12-20 2003-07-03 Nexans Flexible electrical wire
EP1589541A1 (en) * 2004-04-19 2005-10-26 Nexans Flexible electric power and control cable

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107993753A (en) * 2017-12-29 2018-05-04 东莞金信诺电子有限公司 A kind of small outside diameter high-speed cable of low-loss
WO2020193162A1 (en) * 2019-03-28 2020-10-01 Leoni Kabel Gmbh Cable for electrical data transmission and production method for a cable

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ATE494617T1 (en) 2011-01-15
DE502009000273D1 (en) 2011-02-17

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