EP2117011A1 - Conducteur électrique flexible - Google Patents

Conducteur électrique flexible Download PDF

Info

Publication number
EP2117011A1
EP2117011A1 EP08290380A EP08290380A EP2117011A1 EP 2117011 A1 EP2117011 A1 EP 2117011A1 EP 08290380 A EP08290380 A EP 08290380A EP 08290380 A EP08290380 A EP 08290380A EP 2117011 A1 EP2117011 A1 EP 2117011A1
Authority
EP
European Patent Office
Prior art keywords
elements
conductor
diameter
base
filling
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
EP08290380A
Other languages
German (de)
English (en)
Other versions
EP2117011B1 (fr
Inventor
Ferdinand Grögl
Harry Popp
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
Priority to AT08290380T priority Critical patent/ATE493741T1/de
Priority to EP08290380A priority patent/EP2117011B1/fr
Priority to DE502008002135T priority patent/DE502008002135D1/de
Publication of EP2117011A1 publication Critical patent/EP2117011A1/fr
Application granted granted Critical
Publication of EP2117011B1 publication Critical patent/EP2117011B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H01B7/0009—Details relating to the conductive cores
    • 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

Definitions

  • the invention relates to a flexible electrical conductor, which consists of a number of stranded together, wire-shaped metallic base elements and disposed in the formed between two basic elements gussets and lying within the perimeter of the conductor metallic filling elements whose diameter is smaller than the diameter of the basic elements is ( DE 33 05 190 A1 ).
  • Such conductors have long been known as so-called stranded conductors and used for a wide variety of applications.
  • An essential feature of such a conductor is its good flexibility. It is used with a smaller cross-section, for example, in data lines or in lines for medical technology and with a slightly larger cross-section in lines for automation technology, shipbuilding or railways.
  • the line attenuation or the characteristic impedance of the conductors are of essential importance. Suitable values can generally be achieved with a correspondingly large conductor cross-section. However, there are also applications in which a maximum permissible conductor cross-section or a maximum diameter of a conductor consisting of conductor and insulation are prescribed. In order to be able to comply with the specified electrical values even with corresponding expenditure of conductive material (copper), the conductor is finally compressed by a drawing process. Its bendability is then significantly worsened.
  • the electrical conductor according to the above-mentioned DE 33 05 190 A1 has an electrically effective cross section of at least 4 mm 2 . It consists of three bundles of a larger number of fine wires and in the gussets between the bundles arranged strand elements. Due to the additional strand elements, the spatial cross-section of the conductor can be kept smaller with the same electrically effective cross section with respect to a conductor without the strand elements. This structure of the conductor applies to a cross section thereof of at least 4 mm 2 . Smaller and even much smaller cross-sections of a flexible conductor are excluded in this document. It also contains no indication of high-frequency data transmission.
  • the invention has for its object to make a conductor of the type described so that it has a suitable for high-frequency transmission purposes line attenuation while maintaining its good flexibility at a diameter of 1.0 mm maximum.
  • This ladder is simple yet dimensionally accurate because of the use of solid wires for primitives and fillers despite its very small dimensions. It can therefore be used with a maximum cross section of 0.62 mm 2 for existing or standardized systems for high-frequency data transmission.
  • the conductor is because of the massive wires with It is flexible, because the wires are arranged to be movable without final deformation in the conductor structure, and it has a low conductor resistance due to its increased by the filling elements content of electrically conductive material with correspondingly smaller line attenuation.
  • the conductor resistance can be adapted in this conductor in a simple manner by means of the filling elements very precisely to predetermined limits.
  • the maximum cross-section of the filling elements is given by the circumference of the conductor over which they should not protrude. However, they may also have a smaller cross-section, so that, if appropriate, a resulting smaller electrically effective cross-section results in unchanged conductor diameter for the conductor.
  • the central basic element can be constructed as well as the six basic elements arranged around it. However, it can also be designed as a preferably tinned steel wire, as a stainless steel wire or as a copper-plated steel wire to increase the tensile strength of the conductor.
  • the conductor resistance of the conductor can be adapted to predetermined limits with further variation possibilities.
  • a run rack 1 in which seven coils 2 and six coils 3 are arranged rotatably about their axes.
  • massive wires of electrically good conductive material are wound as basic elements 4, while on the seventh coil, a base member 5 is wound, which consist of electrically good conductive material or a preferably tin-plated steel wire, a Edeistahldraht or a copper-plated steel wire may be ,
  • On the Coils 3 are solid wires of electrically good conductive material wound as filling elements 6. The wires are withdrawn from the coils 2 and 3 by means of a known, not shown deduction in the direction of the arrow 7 and stranded in a stranding nipple 8 to a conductor 9 together.
  • the wires of the base elements 4 and the filling elements 6 are preferably made of copper. They can be used as bare wires. However, they can also be tinned, nickel-plated or silver-plated, for example.
  • the basic element 5 can - as already mentioned - as well as the basic elements 4 are executed. But it may also be a preferably tinned steel wire or a wire made of stainless steel or a copper-plated steel wire.
  • the run-off frame 1 can advantageously be rotated about its axis.
  • the lay length of the stranding is advantageously between 9 ⁇ D and 18 ⁇ D, with the diameter D of the conductor 9.
  • Fig. 1 purely schematically illustrated arrangement can be used in modern technology and coils in which the basic elements 4 and 5, as well as the filling elements 6 are each wound only on a spool.
  • all stranding elements are fanned out before the stranding point and passed through at least one distributor disc.
  • the centrally located base element 5 is optionally wound separately on a separate coil.
  • the conductor 9 is made according to Fig. 2 in a concentric structure of a centrally located base element 5 and six basic elements 4.
  • the six basic elements 4 are wound around the centrally located base elements 5 around.
  • the six filling elements 6 are located in the interstices between the six basic elements 4. Their cross-section or diameter is dimensioned so that they do not protrude beyond the dashed line perimeter 10 of the conductor 9. According to the graphic representation In Fig. 2 the filling elements 6 have the maximum permissible cross section. However, they can also have a smaller cross section for adapting the conductor resistance of the conductor 9 to given values.
  • the structure of the conductor 9 will be given below for two examples.
  • the seven basic elements 4 each have a diameter of 0.32 mm.
  • the diameter of the six filling elements 6 is in each case between 0.09 mm and 0.1 1 mm.
  • the total cross section of the conductor 9 is between 0.06 mm 2 and 0.62 mm 2 .
  • the seven basic elements 4 each have a diameter of 0.1 mm.
  • the diameter of the six filling elements 6 is in each case between 0.03 mm and 0.035 mm.
  • the total cross section of the conductor 9 is between 0.06 mm 2 and 0.061 mm 2 .

Landscapes

  • Insulated Conductors (AREA)
  • Non-Insulated Conductors (AREA)
  • Measuring Volume Flow (AREA)
  • Wire Processing (AREA)
EP08290380A 2008-04-18 2008-04-18 Conducteur électrique flexible Not-in-force EP2117011B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AT08290380T ATE493741T1 (de) 2008-04-18 2008-04-18 Flexibler elektrischer leiter
EP08290380A EP2117011B1 (fr) 2008-04-18 2008-04-18 Conducteur électrique flexible
DE502008002135T DE502008002135D1 (de) 2008-04-18 2008-04-18 Flexibler elektrischer Leiter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP08290380A EP2117011B1 (fr) 2008-04-18 2008-04-18 Conducteur électrique flexible

Publications (2)

Publication Number Publication Date
EP2117011A1 true EP2117011A1 (fr) 2009-11-11
EP2117011B1 EP2117011B1 (fr) 2010-12-29

Family

ID=39730720

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08290380A Not-in-force EP2117011B1 (fr) 2008-04-18 2008-04-18 Conducteur électrique flexible

Country Status (3)

Country Link
EP (1) EP2117011B1 (fr)
AT (1) ATE493741T1 (fr)
DE (1) DE502008002135D1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9040825B2 (en) 2007-11-13 2015-05-26 Southwire Company, Llc Conductors and metal-covered cable with coded information and method of applying coded information
US9053841B2 (en) 2007-11-13 2015-06-09 Southwire Company, Llc Traceable and theft deterrent reclaimable product
US9818508B2 (en) 2007-11-13 2017-11-14 Southwire Company, Llc Traceable and theft deterrent reclaimable product
US10102461B2 (en) 2007-11-13 2018-10-16 Southwire Company, Llc Traceable and theft deterrent reclaimable product

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2098162A (en) * 1935-12-30 1937-11-02 American Steel & Wire Co Electrical cable
AT373214B (de) * 1981-05-19 1983-12-27 Otto Haase Ges M B H Tragseil fuer fahrleitungsdraehte
DE3305190A1 (de) 1983-02-11 1984-08-16 Siemens AG, 1000 Berlin und 8000 München Litzenleiter fuer flexible elektrische leitungen

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2098162A (en) * 1935-12-30 1937-11-02 American Steel & Wire Co Electrical cable
AT373214B (de) * 1981-05-19 1983-12-27 Otto Haase Ges M B H Tragseil fuer fahrleitungsdraehte
DE3305190A1 (de) 1983-02-11 1984-08-16 Siemens AG, 1000 Berlin und 8000 München Litzenleiter fuer flexible elektrische leitungen

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9040825B2 (en) 2007-11-13 2015-05-26 Southwire Company, Llc Conductors and metal-covered cable with coded information and method of applying coded information
US9053841B2 (en) 2007-11-13 2015-06-09 Southwire Company, Llc Traceable and theft deterrent reclaimable product
US9818508B2 (en) 2007-11-13 2017-11-14 Southwire Company, Llc Traceable and theft deterrent reclaimable product
US9887023B2 (en) 2007-11-13 2018-02-06 Southwire Company, Llc Traceable and theft deterrent reclaimable product
US10102461B2 (en) 2007-11-13 2018-10-16 Southwire Company, Llc Traceable and theft deterrent reclaimable product

Also Published As

Publication number Publication date
DE502008002135D1 (de) 2011-02-10
EP2117011B1 (fr) 2010-12-29
ATE493741T1 (de) 2011-01-15

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