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EP1225598A2 - Flexible electrical line - Google Patents

Flexible electrical line Download PDF

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Publication number
EP1225598A2
EP1225598A2 EP01403136A EP01403136A EP1225598A2 EP 1225598 A2 EP1225598 A2 EP 1225598A2 EP 01403136 A EP01403136 A EP 01403136A EP 01403136 A EP01403136 A EP 01403136A EP 1225598 A2 EP1225598 A2 EP 1225598A2
Authority
EP
European Patent Office
Prior art keywords
line according
flexible line
polyamide
flexible
stranded
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
EP01403136A
Other languages
German (de)
French (fr)
Other versions
EP1225598A3 (en
EP1225598B1 (en
Inventor
Ferdinand Grögl
Thomas Mann
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.)
Nexans SA
Original Assignee
Nexans SA
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 Nexans SA filed Critical Nexans SA
Publication of EP1225598A2 publication Critical patent/EP1225598A2/en
Publication of EP1225598A3 publication Critical patent/EP1225598A3/en
Application granted granted Critical
Publication of EP1225598B1 publication Critical patent/EP1225598B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • H01B7/17—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
    • H01B7/22—Metal wires or tapes, e.g. made of steel
    • H01B7/221—Longitudinally placed metal wires or tapes
    • H01B7/223—Longitudinally placed metal wires or tapes forming part of a high tensile strength core
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
    • H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
    • H01B3/302—Polyurethanes or polythiourethanes; Polyurea or polythiourea
    • 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
    • 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
    • H01B7/182—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring comprising synthetic filaments
    • H01B7/183—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring comprising synthetic filaments forming part of an outer sheath
    • 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
    • H01B7/22—Metal wires or tapes, e.g. made of steel
    • H01B7/228—Metal braid

Definitions

  • the invention relates to a flexible electrical line according to claim 1.
  • Such flexible electrical lines are used, for example, as elevator lines or but used as a so-called drag chain cable. When operating corresponding The lines are constantly moved, especially in drag chains.
  • the lines are either shielded or unshielded, being on the shielded version is used if special requirements for the electromagnetic Tolerability.
  • the maximum chain length was 6 meters with movement speeds of 180 m / min and accelerations usually of 2 m / sec 2 .
  • a technology already used in extreme cases with greatly improved drag chain designs enables speeds of up to 500 m / min with movement lengths of up to 50 m and accelerations of 8 m / sec 2 and more.
  • a practiced solution for extreme requirements is a flat one Cable design with steel cables arranged on the side. Such a line requires an increased space requirement.
  • the Jacket consists of a so-called steel / polyurethane composite construction.
  • the Disadvantages of this line are poor connection of the support element the drag chain as well as in difficult assembly.
  • the present invention has for its object to provide a flexible electrical line for extreme loads, which is suitable for travel distances of over 30 meters at speeds up to 500 m / min and accelerations or decelerations up to 10 m / sec 2 and beyond is easy to assemble.
  • the invention is based on the embodiment shown schematically in the figure explained in more detail.
  • 1 denotes a central element, which consists of a steel cable 1a and one the steel cable 1a located compressible sleeve 1 b, z. B. a wrap so-called flock yarns.
  • Each wire consists of a conductor 11, e.g. B. a stranded conductor and insulation 12 z. B. from a two-layer insulation, such as it is described in the earlier application 100 36 610.4 of July 27, 2000.
  • central element 1- in some cases also in addition to this - can be provided in the gussets not shown tensile and compression stable elements his.
  • the inner jacket 13 is surrounded by a winding 14, which preferably consists of a Nonwoven tape exists.
  • the elements 17 forming the reinforcement mesh 15 are preferably flat elements, which are extremely flexible, yet are stable in terms of tension and compression.
  • the flat element 17 consists of four elongated elements arranged side by side Objects 18, which are made of a plastic cover 19, preferably made of polyamide are surrounded.
  • the objects 18 are either folded steel wires or flat in a matrix Polyamide running fibers or fiber bundles made of polyaramide (Kevlar), glass or Carbon fiber.
  • the outer jacket 16 is particularly advantageously made of thermoplastic Polyurethane made by extrusion.

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Insulated Conductors (AREA)
  • Ropes Or Cables (AREA)

Abstract

A flexible electrical cable is formed of a cable core made of a plurality of insulated conductors (2, 3, 4, 5, 6, 7) that are stranded together, an inner sheath (13) that fills up the interstices between strands, a wrapping (14) resting on the inner sheath (13), armor braiding (15) with a 30%-80% optical coverage, and a plastic outer sheath (16) penetrating the interstices between the braiding (15).

Description

Die Erfindung betrifft eine flexible elektrische Leitung nach Anspruch 1.The invention relates to a flexible electrical line according to claim 1.

Derartige flexible elektrische Leitungen werden beispielsweise als Aufzugleitungen oder aber als sogenannte Schleppkettenleitung verwendet. Beim Betrieb entsprechender Anlagen werden die Leitungen speziell in Schleppketten dauernd bewegt. Die Leitungen sind entweder geschirmt oder ungeschirmt, wobei auf die geschirmte Version zurückgegriffen wird, wenn besondere Anforderungen an die elektromagnetische Verträglichkeit gestellt werden.Such flexible electrical lines are used, for example, as elevator lines or but used as a so-called drag chain cable. When operating corresponding The lines are constantly moved, especially in drag chains. The lines are either shielded or unshielded, being on the shielded version is used if special requirements for the electromagnetic Tolerability.

Die gesamte Energie- und Informationsversorgung von Industrieanlagen und Werkzeugmaschinen erfolgt bislang über Schleppleitungen, die einzeln verlegt in sogenannten Schleppketten eingesetzt werden.The entire energy and information supply of industrial plants and So far, machine tools have been made using trailing cables that are individually laid in so-called drag chains can be used.

In der Vergangenheit betrug die maximale Kettenlänge 6 Meter bei Bewegungsgeschwindigkeiten von 180 m/min und Beschleunigungen in der Regel von 2 m/sec2. Eine in Extremfällen bereits praktizierte Technik mit stark verbesserten Schleppkettenkonstruktionen ermöglicht Geschwindigkeiten von bis zu 500 m/min bei Bewegungslängen von bis zu 50 m sowie Beschleunigungen von 8 m/sec2 und mehr.In the past, the maximum chain length was 6 meters with movement speeds of 180 m / min and accelerations usually of 2 m / sec 2 . A technology already used in extreme cases with greatly improved drag chain designs enables speeds of up to 500 m / min with movement lengths of up to 50 m and accelerations of 8 m / sec 2 and more.

Eine praktizierte Lösung für Extremanforderungen besteht in einer flachen Leitungsbauform mit seitlich angeordneten Stahlseilen. Eine derartige Leitung erfordert einen erhöhten Platzbedarf. A practiced solution for extreme requirements is a flat one Cable design with steel cables arranged on the side. Such a line requires an increased space requirement.

Eine andere Lösung besteht in einem üblichen runden Aufbau der Leitung, wobei der Mantel aus einer sogenannten Stahl-/Polyurthanverbundkonstruktion besteht. Die Nachteile dieser Leitung bestehen in einer schlechten Anbindung des Tragelements an die Schleppkette sowie in einer erschwerten Konfektionierung.Another solution is a conventional round construction of the line, the Jacket consists of a so-called steel / polyurethane composite construction. The Disadvantages of this line are poor connection of the support element the drag chain as well as in difficult assembly.

Unter den extrem schwierigen Bedingungen fallen die bekannten Leitungen durch die sogenannte Korkenzieherbildung aus, wodurch es zu größeren Ausfallzeiten der Industrieanlagen kommt.Under the extremely difficult conditions, the well-known cables fall through so-called corkscrew formation, which leads to greater downtime Industrial plants is coming.

Die vorliegende Erfindung hat sich zur Aufgabe gestellt, eine flexible elektrische Leitung für extreme Beanspruchungen bereitzustellen, die für Verfahrwege von über 30 Metern mit Geschwindigkeiten bis zu 500 m/min und Beschleunigungen bzw. Verzögerungen bis 10 m/sec2 geeignet ist und die darüber hinaus leicht konfektionierbar ist.The present invention has for its object to provide a flexible electrical line for extreme loads, which is suitable for travel distances of over 30 meters at speeds up to 500 m / min and accelerations or decelerations up to 10 m / sec 2 and beyond is easy to assemble.

Diese Aufgabe wird durch die Merkmale des Anspruch 1 gelöst.This object is solved by the features of claim 1.

Weitere vorteilhafte Ausgestaltungen der Erfindung sind in den Unteransprüchen erfaßt.Further advantageous embodiments of the invention are covered in the subclaims.

Die Erfindung ist anhand des in der Figur schematisch dargestellten Ausführungsbeispiels näher erläutert.The invention is based on the embodiment shown schematically in the figure explained in more detail.

Mit 1 ist ein zentrales Element bezeichnet, welches aus einem Stahlseil 1a sowie einer auf dem Stahlseil 1a befindlichen kompressiblen Hülle 1 b, z. B. einer Umwicklung aus sogenannten Flockgarnen besteht.1 denotes a central element, which consists of a steel cable 1a and one the steel cable 1a located compressible sleeve 1 b, z. B. a wrap so-called flock yarns.

Um dieses zentrale Element 1 sind sechs Aderbündel 2, 3, 4, 5, 6 und 7 herumgeseilt, die jeder aus drei Adern 8, 9 und 10 bestehen. Jede Ader besteht aus einem Leiter 11, z. B. einem Litzenleiter sowie einer Isolierung 12 z. B. aus einer Zweischichtisolierung, wie sie in der älteren Anmeldung 100 36 610.4 vom 27. 07. 2000 beschrieben ist. Six core bundles 2, 3, 4, 5, 6 and 7 are roped around this central element 1, which each consist of three wires 8, 9 and 10. Each wire consists of a conductor 11, e.g. B. a stranded conductor and insulation 12 z. B. from a two-layer insulation, such as it is described in the earlier application 100 36 610.4 of July 27, 2000.

Über der aus den Aderbündeln 2, 3, 4, 5, 6 und 7 gebildeten Verseillage befindet sich ein Innenmantel 13 z. B. aus thermoplastischem Polyurethan, der die Zwickel zwischen den Aderbündeln ausfüllt.Above the stranding layer formed from core bundles 2, 3, 4, 5, 6 and 7 an inner jacket 13 z. B. made of thermoplastic polyurethane, the gusset between fills the core bundles.

Anstelle des zentralen Elements 1- in manchen Fällen jedoch auch zusätzlich zu diesem - können in den Zwickeln nicht dargestellte zug- und stauchstabile Elemente vorgesehen sein.Instead of the central element 1- in some cases also in addition to this - can be provided in the gussets not shown tensile and compression stable elements his.

Der Innenmantel 13 ist von einer Bewicklung 14 umgeben, die vorzugsweise aus einem Faservliesband besteht.The inner jacket 13 is surrounded by a winding 14, which preferably consists of a Nonwoven tape exists.

Über der Bewicklung 14 befindet sich ein Armierungsgeflecht 15, welches mit einer optischen Bedeckung von 30 - 80 % aufgebracht ist, so daß der Werkstoff des Außenmantels 16 das Armierungsgeflecht 15 durchdringen und bis zur Bandbewicklung 14 dringen kann. Außenmantel 16 und Armierungsgeflecht 15 bilden eine Einheit, die bei der Konfektionierung der Leitungsenden leicht von dem Innenmantel 13 bzw. der Bewicklung 14 abgehoben werden kann.Above the winding 14 there is a reinforcement mesh 15, which with a optical coverage of 30 - 80% is applied, so that the material of the Outer jacket 16 penetrate the reinforcement mesh 15 and up to the tape winding 14 can penetrate. Outer jacket 16 and reinforcement braid 15 form a unit, the when assembling the cable ends easily from the inner jacket 13 or Wrapping 14 can be lifted off.

Die das Armierungsgeflecht 15 bildenden Elemente 17 sind vorzugsweise Flachelemente, die äußerst flexibel, dennoch aber zug- und stauchstabil sind.The elements 17 forming the reinforcement mesh 15 are preferably flat elements, which are extremely flexible, yet are stable in terms of tension and compression.

Das Flachelement 17 besteht aus vier nebeneinander angeordneten langgestreckten Objekten 18, die gemeinsam von einer Kunststoffhülle 19 vorzugsweise aus Polyamid umgeben sind.The flat element 17 consists of four elongated elements arranged side by side Objects 18, which are made of a plastic cover 19, preferably made of polyamide are surrounded.

Die Objekte 18 sind entweder gefachte Stahldrähte oder flache in einer Matrix aus Polyamid laufende Fasern oder Faserbündel aus Polyaramid (Kevlar), Glas oder Kohlefaser. Der Außenmantel 16 ist mit besonderem Vorteil aus thermoplastischem Polyurethan durch Extrusion hergestellt.The objects 18 are either folded steel wires or flat in a matrix Polyamide running fibers or fiber bundles made of polyaramide (Kevlar), glass or Carbon fiber. The outer jacket 16 is particularly advantageously made of thermoplastic Polyurethane made by extrusion.

Claims (11)

Flexible elektrische Leitung mit einer Kabelseele aus mehreren miteinander verseilten isolierten Leitern (2,3,4,5,6,7), einem die Verseilzwickel ausfüllenden Innenmantel (13), einer auf dem Innenmantel (13) aufliegenden Bewicklung (14), einem Armierungsgeflecht (15) mit einer optischen Bedeckung von 30 - 80 % sowie einem die Zwischenräume des Armierungsgeflechtes (15) durchdringenden Außenmantel (16) aus Kunststoff.Flexible electrical cable with a cable core consisting of several cables stranded together insulated conductors (2,3,4,5,6,7), an inner jacket filling the gusset (13), a winding (14) resting on the inner jacket (13), one Reinforcement braid (15) with an optical coverage of 30 - 80% and a the outer space penetrating the interstices of the reinforcement mesh (15) (16) made of plastic. Flexible Leitung nach Anspruch 1, dadurch gekennzeichnet, daß die Leiter (2) mit optimiertem Drall bündelverseilt sind.Flexible line according to claim 1, characterized in that the conductors (2) are bundled with an optimized twist. Flexible Leitung nach Anspruch 1, dadurch gekennzeichnet, daß die Leiter auf ein zentrales Zug- und stauchstabiles Kernelement (1) mit optimiertem Drall aufgeseilt sind.Flexible line according to claim 1, characterized in that the conductors are stranded on a central tensile and compressible core element (1) with an optimized twist. Flexible Leitung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß in den Verseilzwickeln zug- und stauchstabile langgestreckte Elemente angeordnet sind.Flexible line according to one of claims 1 to 3, characterized in that elongated elements which are stable in terms of tension and compression are arranged in the stranded gussets. Flexible Leitung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß der Innenmantel (13) aus thermoplastischem Polyurethan besteht. Flexible line according to one of claims 1 to 4, characterized in that the inner jacket (13) consists of thermoplastic polyurethane. Flexible Leitung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß das zug- und stauchstabile Kernelement (1) ein Stahlseil (1a) mit einer kompressiblen Hülle (1b) ist.Flexible line according to one of claims 1 to 5, characterized in that the core element (1) which is stable in tension and compression is a steel cable (1a) with a compressible sheath (1b). Flexible Leitung nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die Bewicklung (14) aus einem Faservlies besteht.Flexible line according to one of claims 1 to 6, characterized in that the winding (14) consists of a non-woven fabric. Flexible Leitung nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß der Außenmantel (16) aus thermoplastischem Polyurethan besteht.Flexible line according to one of claims 1 to 7, characterized in that the outer jacket (16) consists of thermoplastic polyurethane. Flexible Leitung nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß die Armierungselemente (17) hochfeste Stahldrähte sind.Flexible line according to one of claims 1 to 8, characterized in that the reinforcing elements (17) are high-strength steel wires. Flexible Leitung nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß die Armierungselemente (17) aus Polyaramidfäden bestehen, die in einer Matrix aus Polyamid eingebettet sind.Flexible line according to one of claims 1 to 8, characterized in that the reinforcing elements (17) consist of polyaramide threads which are embedded in a polyamide matrix. Flexible Leitung nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, daß die Armierungselemente (17) durch mehrere nebeneinander angeordnete Stahldrähte (18) und/oder in einer Matrix aus Polyamid befindliche Polyaramidfäden (18), die von einer Hülle (19) aus Polyamid umgeben sind, gebildet sind.Flexible line according to one of claims 1 to 10, characterized in that the reinforcing elements (17) by means of a plurality of steel wires (18) arranged next to one another and / or polyaramide threads (18) located in a matrix of polyamide, which are made of a sheath (19) made of polyamide are surrounded, are formed.
EP01403136A 2001-01-18 2001-12-06 Flexible electrical line Expired - Lifetime EP1225598B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20100911U DE20100911U1 (en) 2001-01-18 2001-01-18 Flexible electrical wire
DE20100911U 2001-01-18

Publications (3)

Publication Number Publication Date
EP1225598A2 true EP1225598A2 (en) 2002-07-24
EP1225598A3 EP1225598A3 (en) 2003-02-12
EP1225598B1 EP1225598B1 (en) 2008-09-10

Family

ID=7951797

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01403136A Expired - Lifetime EP1225598B1 (en) 2001-01-18 2001-12-06 Flexible electrical line

Country Status (5)

Country Link
US (1) US6525271B2 (en)
EP (1) EP1225598B1 (en)
AT (1) ATE408228T1 (en)
DE (2) DE20100911U1 (en)
ES (1) ES2311008T3 (en)

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DE50303466D1 (en) * 2003-03-17 2006-06-29 Nexans Flexible cable with an abrasion-resistant jacket
US20050045366A1 (en) * 2003-08-25 2005-03-03 Michael Wolff Power cord having one or more flexible carbon material sheathings
US7271340B2 (en) * 2005-01-06 2007-09-18 Precision Interconnect, Inc. Flexible interconnect cable with insulated shield and method of manufacturing
US7987581B2 (en) * 2008-05-28 2011-08-02 Flextronics Ap, Llc High power manufacturing friendly transformer
US8119917B2 (en) * 2009-09-11 2012-02-21 Samuel John Edward King Braided cable
US9093195B1 (en) * 2010-02-26 2015-07-28 Southwire Company, Llc Rugged cable
JP6220113B2 (en) * 2011-02-17 2017-10-25 矢崎総業株式会社 Manufacturing method of shield sleeve
CH704545A2 (en) * 2011-02-23 2012-08-31 Leoni Studer Ag An electric cable preferably for an operating voltage greater than 1000 volts.
CN203325542U (en) * 2013-04-11 2013-12-04 富士康(昆山)电脑接插件有限公司 Cable
US9589704B2 (en) 2013-08-09 2017-03-07 Belden Inc. Low R, L, and C cable
CN106409408A (en) * 2016-09-30 2017-02-15 昆山信昌电线电缆有限公司 Mechanical arm torsion cable
EP4027355A1 (en) * 2021-01-12 2022-07-13 Gebauer & Griller Kabelwerke Gesellschaft m.b.H. Cable
US20230215599A1 (en) * 2021-12-30 2023-07-06 Belden Inc. Bi-wire audio system

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EP0718854A1 (en) * 1994-12-22 1996-06-26 The Whitaker Corporation Electrical cable for use in a medical surgery environment
EP0809259A2 (en) * 1996-05-23 1997-11-26 Alcatel Electrical power line

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EP0809259A2 (en) * 1996-05-23 1997-11-26 Alcatel Electrical power line

Also Published As

Publication number Publication date
EP1225598A3 (en) 2003-02-12
EP1225598B1 (en) 2008-09-10
ATE408228T1 (en) 2008-09-15
US20020092668A1 (en) 2002-07-18
US6525271B2 (en) 2003-02-25
ES2311008T3 (en) 2009-02-01
DE20100911U1 (en) 2001-04-12
DE50114304D1 (en) 2008-10-23

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