EP2207924A2 - Câble comportant des conducteurs électriques intégrés - Google Patents

Câble comportant des conducteurs électriques intégrés

Info

Publication number
EP2207924A2
EP2207924A2 EP08840299A EP08840299A EP2207924A2 EP 2207924 A2 EP2207924 A2 EP 2207924A2 EP 08840299 A EP08840299 A EP 08840299A EP 08840299 A EP08840299 A EP 08840299A EP 2207924 A2 EP2207924 A2 EP 2207924A2
Authority
EP
European Patent Office
Prior art keywords
conductor
rope
layer
cable
core
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
EP08840299A
Other languages
German (de)
English (en)
Other versions
EP2207924B1 (fr
Inventor
Rudolf F. Kirst
Hansjörg STRUWE
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.)
Geo Gleistein&Sohn GmbH
Helukabel GmbH
Original Assignee
Geo Gleistein&Sohn GmbH
Helukabel 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 Geo Gleistein&Sohn GmbH, Helukabel GmbH filed Critical Geo Gleistein&Sohn GmbH
Publication of EP2207924A2 publication Critical patent/EP2207924A2/fr
Application granted granted Critical
Publication of EP2207924B1 publication Critical patent/EP2207924B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B1/00—Constructional features of ropes or cables
    • D07B1/14—Ropes or cables with incorporated auxiliary elements, e.g. for marking, extending throughout the length of the rope or cable
    • D07B1/147—Ropes or cables with incorporated auxiliary elements, e.g. for marking, extending throughout the length of the rope or cable comprising electric conductors or elements for information transfer
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04C—BRAIDING OR MANUFACTURE OF LACE, INCLUDING BOBBIN-NET OR CARBONISED LACE; BRAIDING MACHINES; BRAID; LACE
    • D04C1/00—Braid or lace, e.g. pillow-lace; Processes for the manufacture thereof
    • D04C1/06—Braid or lace serving particular purposes
    • D04C1/12—Cords, lines, or tows
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B7/00—Details of, or auxiliary devices incorporated in, rope- or cable-making machines; Auxiliary apparatus associated with such machines
    • D07B7/16—Auxiliary apparatus
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B1/00—Constructional features of ropes or cables
    • D07B1/02—Ropes built-up from fibrous or filamentary material, e.g. of vegetable origin, of animal origin, regenerated cellulose, plastics
    • D07B1/025—Ropes built-up from fibrous or filamentary material, e.g. of vegetable origin, of animal origin, regenerated cellulose, plastics comprising high modulus, or high tenacity, polymer filaments or fibres, e.g. liquid-crystal polymers
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2201/00—Ropes or cables
    • D07B2201/10—Rope or cable structures
    • D07B2201/1096—Rope or cable structures braided
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2201/00—Ropes or cables
    • D07B2201/20—Rope or cable components
    • D07B2201/2095—Auxiliary components, e.g. electric conductors or light guides
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2205/00—Rope or cable materials
    • D07B2205/20—Organic high polymers
    • D07B2205/201—Polyolefins
    • D07B2205/2014—High performance polyolefins, e.g. Dyneema or Spectra
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2205/00—Rope or cable materials
    • D07B2205/20—Organic high polymers
    • D07B2205/2039—Polyesters
    • D07B2205/2042—High performance polyesters, e.g. Vectran
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2205/00—Rope or cable materials
    • D07B2205/20—Organic high polymers
    • D07B2205/2046—Polyamides, e.g. nylons
    • D07B2205/205—Aramides
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2207/00—Rope or cable making machines
    • D07B2207/40—Machine components
    • D07B2207/404—Heat treating devices; Corresponding methods
    • D07B2207/4045—Heat treating devices; Corresponding methods to change the crystal structure of the load bearing material
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2401/00—Aspects related to the problem to be solved or advantage
    • D07B2401/20—Aspects related to the problem to be solved or advantage related to ropes or cables
    • D07B2401/2005—Elongation or elasticity
    • D07B2401/201—Elongation or elasticity regarding structural elongation
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2501/00—Application field
    • D07B2501/40—Application field related to rope or cable making machines
    • D07B2501/406—Application field related to rope or cable making machines for making electrically conductive cables
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B5/00—Making ropes or cables from special materials or of particular form
    • D07B5/12—Making ropes or cables from special materials or of particular form of low twist or low tension by processes comprising setting or straightening treatments

Definitions

  • the invention relates to a braided plastic or synthetic fiber rope in which at least one electrical conductor is accommodated, and to a method for producing such a cable.
  • a pull cable with an electrical cable is known in which a laid in the cable core single or multi-core power cable is surrounded by a flexible and pressure-resistant tube over the entire length and is thus protected against the pressure stresses mentioned.
  • the protective tube does not provide protection against the said risk of tearing the conductor due to the rope elongation.
  • the object of the invention is to provide a braided synthetic fiber rope in which at least one electrical conductor is received, in which said no longer exist, so that the conductor is protected against both the effects of stretching and the compressive stress of the rope.
  • this object is achieved in a braided synthetic fiber rope, in which at least one electrical conductor is received, by the measure that the rope is thermally stretched together with the recorded therein conductor.
  • An expedient embodiment is characterized in that the conductor is braided or coiled around a core. By this measure, the head receives a stretch reserve, so that there is practically no risk of tearing.
  • a cable is accommodated in the cable, which has an insulated cylindrical core, an insulating, compressible compensation layer surrounding the core, a braided or coiled conductor arranged on the compensation layer, and an insulating jacket layer enclosing the conductor.
  • the arrangement of a compressible leveling layer further reduces the effects of the compressive forces of the rope.
  • the leveling layer may be compliant or elastically compressible, for example in the form of a foam layer.
  • a further braided or wound conductor which is enclosed by a further insulating jacket layer, is arranged on the jacket layer.
  • a protective film made of plastic may be arranged, in particular including PTFE, and optionally in a corresponding manner, a further protective film between the further conductor and the further cladding layer.
  • the leveling layer may be made of foamed or unfoamed plastic, such as a thermoplastic elastomer or a combination of an elastomer and a thermoplastic (two-phase system).
  • At least one jacket layer consists of an extruded plastic, in particular a thermoplastic or a thermoplastic elastomer.
  • the core has a carrier element in the form of a monofilament and an extruded core layer.
  • the invention provides that the cable containing the at least one conductor is stretched at a temperature between 60 ° C and 200 ° C, in particular at 90 ° C to 130 ° C.
  • the rope is subjected to a stretching force which is between 1% and 50% and in particular 20% to 30% of the tensile strength of the rope.
  • the rope, together with the conductor or cable received therein, can be subjected to a stretching ratio of 3%, 5%, 7%, 9%, 10%, 15% or more, the stretching ratio being the elongation of the stretched rope in relation to the initial length, means.
  • the object of the invention is further achieved by a method for producing a plastic cord with an electrical conductor received therein, comprising the steps of: a) providing an electrical conductor, b) arranging a plastic cord around the conductor, and c) thermally stretching the conductor containing rope.
  • Step a) may comprise the steps of: a) providing an insulating core, a2) extruding a compressive layer surrounding the core around the core, a3) placing a braided or coiled electrical conductor on the leveling layer, a4) extruding a conductor surrounding the conductor insulating jacket layer around the conductor, in particular consisting of a thermoplastic elastomer.
  • Step b) may include a beaten, twisted or braided (eg, round braid, core-sheathed rope, multi-core rope) rope that may be braided and / or coated with a protective sheath, and 3, 4, 6, 8, 12, 16, 20, 24, 32 or 48 strands. It is preferably provided that the rope at a temperature between 60 ° C and 200 ° C, in particular 90 ° C to 130 ° C, is stretched. Preferably, the rope is awakened at a stretching ratio as indicated above.
  • a beaten, twisted or braided eg, round braid, core-sheathed rope, multi-core rope
  • step c) bl) arranging another braided or coiled conductor on the cladding layer, and b2) extruding a further insulating layer surrounding the further conductor around the further conductor , in particular consisting of a thermoplastic elastomer.
  • a protective film made of plastic, in particular of PTFE can be arranged, in particular by banding or wrapping.
  • a further protective film is arranged between the further conductor and the further jacket layer.
  • the core can be made by extruding a core layer onto a cylindrical support member.
  • the leveling layer of foamed or foamable plastic is extruded.
  • the invention preferably provides that the rope is stretched at a stretching force which is between 1% and 50% and in particular 20% to 30% of the tensile strength of the rope.
  • the invention preferably provides that the conductor is braided and has a braiding angle of 35 ° to 55 °, in particular 45 °.
  • the invention further preferably provides that the conductor has a coverage of 70% to 90%, in particular 80%.
  • the further conductor is braided and has a braid angle of 30 ° to 50 °, in particular 40 °.
  • the further conductor can have a coverage of 50% to 80%, in particular 65%.
  • a spreading body with rounded outer contour is arranged within the cable at a cable execution point of the cable, which has a central leadthrough opening from which an opening opening opens to the outside, the at least one electrical conductor passing through the utilizatsöffhung in the Aufsp Schwarz stresses in and out through themonysöffhung out of this and through the spread-rope is passed through to the outside. This measure ensures a lead out of the conductor from the rope at any point, without the risk of crushing or shearing of the conductor is when the rope is subjected to a tensile load.
  • the expansion body has an at least partially hollow, spindle-shaped cross section in a longitudinal section plane containing a longitudinal axis of the rope. It is preferably provided that the Aus collirungsöffhung is directed obliquely axially-radially outward.
  • a protective sleeve can be arranged in the execution opening.
  • the expansion body is secured positionally in the cable.
  • FIG. 1 shows a first embodiment of a cable for receiving in a braided plastic rope
  • Fig. 2 shows a cross-sectional view of a second embodiment similar to Fig. 1, and
  • Fig. 1 shows a cross-sectional view of the structure of a cable 1 for coaxial arrangement within a merely indicated, braided plastic rope 20, which is to be stretched thermally together with the cable received therein.
  • An insulating cylindrical core of the cable 1 comprises a support element 2 consisting of a PA monofilament having a diameter of about 0.5 mm, on which a hard core layer 4 of PP having an outer diameter of about 1.6 mm is extruded.
  • an insulating, compressible, compressible leveling layer 6 which in the illustrated example may have an outer diameter of about 2.2 mm +/- 0.1 mm and may consist of foamed LD-PE.
  • the leveling layer may be made of a thermoplastic elastomer, such as PE, PP, PVC, or the like, combined with non-thermoplastic portions, such as butadiene components.
  • crosslinked plastic materials e.g. PETE materials, used to achieve high heat resistance, as well as fluorine polymers.
  • a (first) conductor 8 is arranged, which has an outer diameter of about 2.8 mm and may be formed as a braid.
  • the slope of the first conductor is 8 mm, which corresponds to a braid angle of 45 °.
  • the optimal coverage is 80%.
  • the first conductor 8 is concentrically surrounding this enclosing, insulating (first) sheath layer 10 having an outer diameter of about 3.6 mm, which is extruded in particular as a tube.
  • the first cladding layer 10 may be made of a thermoplastic or of a thermoplastic elastomer.
  • a second (further) conductor 12 is arranged concentrically on the first cladding layer 10 and, like the first conductor 8, preferably consists of a braid, which may have an outer diameter of 4.25 mm.
  • the slope is preferably 10 mm and corresponds to a surface angle of 40 °. The optimal coverage is 65%.
  • Both the first conductor and the second conductor may instead of a braid in the form of a swirl screen, without crossovers, be formed, which also provides in the case of an elongation of the rope the possibility that the conductor can be stretched in the longitudinal direction, while its diameter accordingly reduced.
  • a second (further) jacket 14 is arranged concentrically around the second conductor 12 and preferably extruded as a tube made of plastic.
  • the outer diameter of the second shell 14 may be about 5.0 mm +/- 0.1 mm.
  • the second jacket 14 preferably consists of a high-temperature plastic, for example a thermoplastic or a thermoplastic elastomer.
  • a (first) protective film 16 is arranged concentrically around the first conductor 8 and thus between this and the first jacket layer 10.
  • the first protective film 16 is made of a durable plastic, in particular of PTFE with a thickness of about 0.05 mm, and may be extruded or, if it consists of a non-extrudable material, wound or banded.
  • a second (further) protective film 18 is arranged around the second conductor 12, which is thus located between the latter and the second jacket layer 14.
  • this protective film consists of a mechanically and high temperature resistant plastic, preferably made of PTFE, wherein it may have a thickness of about 0.05 mm.
  • the second cladding layer 14 may have a slightly larger outer diameter of, for example, 5.1 mm +/- 0.1 mm in such an embodiment.
  • the protective films serve as a security in the event that the insulation capacity of the first cladding layer 10 and / or the second cladding layer 14 is impaired by the subsequent thermal / mechanical stretching operation of the rope.
  • a chemical fiber rope 20 (not to scale in the drawing in diameter), for example in the form of a 12-braid with twelve strands (or about 16, 20, 24, 32 strands), each of which, for example, three Strands turned could be.
  • the structure and thickness of the rope depend on the expected mechanical requirements (tensile load, torsional and bending stress).
  • the rope After completion of the braided plastic rope 20 with the cable 1 received therein both components, the rope together with the cable received therein, thermally stretched together.
  • the rope is subjected at a temperature of about 90 ° C to 120 ° C a stretching force of about 30% of the tensile strength of the rope.
  • the macromolecules of the man-made fiber material constituting the tow for example highly modular polyethylene (eg of the brand "Dyneema"), or aramid HMPA or HMPES, are oriented more extensively in the longitudinal direction than before the breaking strength of the rope is increased again and also the elongation under tensile stress is reduced.
  • the rope can be stretched by 1% to 30% of its original length during this stretching process, for example by 10% of its original length.
  • the cable is subject to longitudinal stretching, which may be particularly critical to the metallic components of the conductors. Due to the described design of the conductors with expansion reserve (braid, spiraling, twist shield o.a.) This strain can also be compensated.
  • the diameter of the core including the leveling layer (layers 2, 4 and 6), is in the case of the above-described Examples include about 2.2 mm, resulting in a reduced diameter of about 2.10 mm assuming constant volume (approximately, neglecting local compression of the compensation layer) at 10% elongation, which corresponds to a reduction of 0.10 mm. All off-core components are also subject to a diameter reduction of about 0.1 mm.
  • the compensation layer consists of about 35% compressible volume (bubbles) and about 65% of a solid component.
  • FIGs 3 to 7 illustrate an expedient solution to the problem of leading a conductor or cable extending centrally in the cable outwards through the cable networks without the risk of damage.
  • a rigid Aufsp Dr. 24 is arranged with a rounded outer contour within the rope.
  • the expansion body has a central feedthrough opening 26, which extends at least from one end of the expansion body into it.
  • the spreading body is hollow overall. From the feedthrough opening 26, an outwardly opening execution opening 28 extends in a substantially radial direction, the cable 1 passing first through the feedthrough opening 26 into the spreading body 24 and from there through the execution opening 28 out of the spreading body and through the spread-out wire led to the outside.
  • the expansion body ensures that the cable locally has a much larger diameter than usual, so that the individual interwoven strands and their crossover points get an increased mutual distance, which allows the passage of the cable.
  • FIG. 3 to 5 shows another embodiment of a Trosp Dreck stressess 24, which is formed substantially spindle-shaped with a für furching oa by adjacent rope strands.
  • the cable can be protected in the region of the Aus technologicaluiigsöffhung and the adjacent rope strands by a protective sleeve, which may be partially received in the execution opening.
  • the spreading can be secured, for example, by Abitatien 30 ("Taklings").

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Textile Engineering (AREA)
  • Ropes Or Cables (AREA)
  • Insulated Conductors (AREA)

Abstract

L'invention concerne un câble en fibres synthétiques tressé, contenant au moins un conducteur électrique. L'invention est caractérisée en ce que le câble est étiré thermiquement avec le conducteur électrique intégré.
EP08840299.5A 2007-10-19 2008-10-20 Corde tressee en fibres synthetiques comportant un conducteur electrique integre Active EP2207924B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007050402A DE102007050402B3 (de) 2007-10-19 2007-10-19 Seil mit darin aufgenommenem elektrischen Leiter
PCT/DE2008/001713 WO2009049616A2 (fr) 2007-10-19 2008-10-20 Câble comportant des conducteurs électriques intégrés

Publications (2)

Publication Number Publication Date
EP2207924A2 true EP2207924A2 (fr) 2010-07-21
EP2207924B1 EP2207924B1 (fr) 2013-12-18

Family

ID=40340589

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08840299.5A Active EP2207924B1 (fr) 2007-10-19 2008-10-20 Corde tressee en fibres synthetiques comportant un conducteur electrique integre

Country Status (6)

Country Link
US (1) US9340924B2 (fr)
EP (1) EP2207924B1 (fr)
CN (1) CN101883885B (fr)
DE (1) DE102007050402B3 (fr)
DK (1) DK2207924T3 (fr)
WO (1) WO2009049616A2 (fr)

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WO2021160858A1 (fr) * 2020-02-13 2021-08-19 Université De Reims Champagne-Ardenne Procede de detection de la modification de l'environnement d'un cable

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WO2021160858A1 (fr) * 2020-02-13 2021-08-19 Université De Reims Champagne-Ardenne Procede de detection de la modification de l'environnement d'un cable
FR3107286A1 (fr) * 2020-02-13 2021-08-20 Université De Reims Champagne-Ardenne Procédé de détection de la modification de l’environnement d’un câble
CN115605324A (zh) * 2020-02-13 2023-01-13 兰斯大学（Fr） 用于检测线缆的环境变化的方法
US20230339125A1 (en) * 2020-02-13 2023-10-26 Université De Reims Champagne-Ardenne Method for detecting a change in the environment of a cable

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WO2009049616A2 (fr) 2009-04-23
EP2207924B1 (fr) 2013-12-18
CN101883885B (zh) 2012-10-03
US9340924B2 (en) 2016-05-17
DK2207924T3 (en) 2014-03-24
WO2009049616A8 (fr) 2010-05-27
DE102007050402B3 (de) 2009-06-04
US20110132660A1 (en) 2011-06-09
WO2009049616A3 (fr) 2009-07-02
CN101883885A (zh) 2010-11-10
HK1146738A1 (en) 2011-07-08

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