WO2018053616A1 - Câble porteur pour lignes de distribution d'énergie et procédé de formation de câble porteur pour lignes de distribution d'énergie - Google Patents

Câble porteur pour lignes de distribution d'énergie et procédé de formation de câble porteur pour lignes de distribution d'énergie Download PDF

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Publication number
WO2018053616A1
WO2018053616A1 PCT/BR2017/050278 BR2017050278W WO2018053616A1 WO 2018053616 A1 WO2018053616 A1 WO 2018053616A1 BR 2017050278 W BR2017050278 W BR 2017050278W WO 2018053616 A1 WO2018053616 A1 WO 2018053616A1
Authority
WO
WIPO (PCT)
Prior art keywords
tubular member
metal
power distribution
cable
aluminum
Prior art date
Application number
PCT/BR2017/050278
Other languages
English (en)
Portuguese (pt)
Inventor
Fernanda TIEMY YOSHIDA
Ricardo Tadashi Tanaka
Original Assignee
Furukawa Industrial S.A. Produtos Elétricos
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 Furukawa Industrial S.A. Produtos Elétricos filed Critical Furukawa Industrial S.A. Produtos Elétricos
Publication of WO2018053616A1 publication Critical patent/WO2018053616A1/fr

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B11/00—Communication cables or conductors
    • H01B11/22—Cables including at least one electrical conductor together with optical fibres
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B5/00—Non-insulated conductors or conductive bodies characterised by their form
    • H01B5/08—Several wires or the like stranded in the form of a rope
    • H01B5/10—Several wires or the like stranded in the form of a rope stranded around a space, insulating material, or dissimilar conducting material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B9/00—Power cables
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G7/00—Overhead installations of electric lines or cables
    • H02G7/05—Suspension arrangements or devices for electric cables or lines
    • H02G7/06—Suspensions for lines or cables along a separate supporting wire, e.g. S-hook
    • H02G7/08—Members clamped to the supporting wire or to the line or cable

Definitions

  • Power Distribution Line is broadly defined as any infrastructure for pylons, cables and equipment constructed and maintained by a utility company that aims to distribute electricity to final consumers in rural networks or in different voltage classes.
  • the present invention relates to a messenger type cable, that is, which bears the weight of other cables or typical elements of a power distribution line, and according to the present invention this new cable messenger, in addition to possessing all the qualities and characteristics necessary for its function as messenger of power distribution lines, will also possess in its interior optical fibers, which provide unprecedented use for the product, namely the ability to also serve as a physical medium. between components of the power distribution network.
  • the invention further relates to a process for forming said messenger cable.
  • These well-known messenger cables are generally formed by a plurality of stranded structural metal wires, in a helical configuration, around a central metal wire to define a cable capable of supporting the weight of cables and power distribution elements in the spans defined between each two consecutive poles.
  • a typical but not unique arrangement in power distribution networks is that used in the so-called "Compact Distribution Network” where the effective system cables (Phases) are distributed longitudinally at regular spacing along the span between posts. consecutive, being supported by dielectric supports (insulating).
  • a messenger cable is used to support the weight of the entire assembly along the span (s) between posts by attaching the dielectric supports to the messenger cable.
  • This new messenger cable will have in its interior Optical Fibers for communication, thus increasing the reliability of the automation and telecommunications system, as well as avoiding a major problem of current power distribution networks. that is, the need to install additional fiber optic cables to all existing infrastructure in the poles, taking up more space in the already excessively congested overhead power and telecommunications network, especially in large urban centers,.
  • the construction object of the present invention utilizes a messenger cable for power distribution lines, comprising a metal tubular member surrounded by a plurality of helically arranged metal wires and internally housing fiber optic cores.
  • the messenger cable further comprises at least one electrical insulating tubular member which surrounds the optical fibers and which is internally with the metallic tubular member.
  • the process of forming said messenger cable comprises a step of gradually and continuously forming around at least one optical fiber an electrical insulating tubular element, around which the element is then progressively and continuously formed. tubular metal to be subsequently wrapped with the plurality of metal wires.
  • the messenger cable construction in question allows it to simultaneously present the function of supporting element for electric cables and the function of telecommunication cable and network automation, making fiber optic maintenance operations possible with overhead power distribution cables suspended by the messenger cable being kept energized, without causing risks to the fiber optic operator.
  • Figure 1 is a side view of an extension of the messenger cable of the invention, with one end partially and progressively cut to illustrate the relative positioning of its component parts;
  • Fig. 2 is a cross-sectional view of the messenger cable of Fig. 1, according to a first constructive configuration
  • Fig. 3 is a cross-sectional view of the messenger cable of Fig. 1, in a second embodiment.
  • CM messenger cable for power distribution lines of the type used to support, by hanging and at a certain distance through suitable and well known in the art, multiple overhead line cables.
  • power distribution systems not illustrated, as they are not part of the present invention.
  • This known CM messenger cable construction comprises a metal tubular member 10 formed of any of the materials selected from aluminum and stainless steel and which is externally wrapped along its length by a plurality of metallic wires 20, preferably formed of any of the elements selected from aluminum, aluminum alloy, aluminum steel and / or galvanized steel, arranged in a helical configuration, said metallic tubular element 10 internally housing at least one optical fiber 30.
  • the metal wires 20 may be individually formed of any of the materials of the above group.
  • the messenger cable CM comprises at least one electrical insulating tubular member 40, preferably of suitable polymeric material, such as an extrudable plastic enclosing at least one optical fiber 30, internally to the metallic tubular member 10.
  • the production of the CM messenger cable in question comprises progressively and continuously forming about at least one optical fiber 30 the electrical insulating tubular member 40 as defined above, and around the tubular member electrical insulator 40 is then progressively and continuously formed the metal tubular element 10.
  • the metal tubular member 10 is progressively and continuously wrapped with the plurality of metal wires 20 arranged in helical configuration.
  • the metal tubular member 10 is seated directly around the electrical insulating tubular member 40, within which a moisture penetrating locking element EB and which can be defined may be provided.

Abstract

L'invention concerne un câble porteur (CM) comprenant un élément tubulaire métallique (10) enveloppé par des fils métalliques (20) agencés en configuration hélicoïdale et logeant, intérieurement, au moins une fibre optique (30). Le câble porteur (CM) comprend en outre au moins un élément tubulaire isolant électrique (40) enveloppant au moins une fibre optique (30), intérieurement à l'élément tubulaire métallique (10). Le procédé de formation du câble porteur (CM) consiste à former, progressivement et de manière continue, autour de la fibre optique (30), l'élément tubulaire isolant électrique (40), autour duquel est formé l'élément tubulaire métallique (10) à envelopper avec les fils métalliques (20).
PCT/BR2017/050278 2016-09-22 2017-09-22 Câble porteur pour lignes de distribution d'énergie et procédé de formation de câble porteur pour lignes de distribution d'énergie WO2018053616A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BR102016021858-6A BR102016021858A2 (pt) 2016-09-22 2016-09-22 Cabo mensageiro para linhas de distribuição de energia e processo de formação de cabo mensageiro para linhas de distribuição de energia
BRBR1020160218586 2016-09-22

Publications (1)

Publication Number Publication Date
WO2018053616A1 true WO2018053616A1 (fr) 2018-03-29

Family

ID=61689791

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/BR2017/050278 WO2018053616A1 (fr) 2016-09-22 2017-09-22 Câble porteur pour lignes de distribution d'énergie et procédé de formation de câble porteur pour lignes de distribution d'énergie

Country Status (3)

Country Link
AR (1) AR109655A1 (fr)
BR (1) BR102016021858A2 (fr)
WO (1) WO2018053616A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4723832A (en) * 1985-06-28 1988-02-09 Fujikura Limited Composite overhead cable structure for electric and optical transmission
US5325457A (en) * 1991-09-20 1994-06-28 Bottoms Jack Jr Field protected self-supporting fiber optic cable
EP2520962A1 (fr) * 2011-05-03 2012-11-07 Sehf-Korea Co., Ltd. Câble hybride électrique optique
US8909012B2 (en) * 2012-04-27 2014-12-09 Corning Cable Systems Llc Hybrid cable including fiber-optic and electrical-conductor stranded elements
US9530541B2 (en) * 2015-02-13 2016-12-27 Raytheon Company Cable with spring steel or other reinforcement member(s) for stable routing between support points

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4723832A (en) * 1985-06-28 1988-02-09 Fujikura Limited Composite overhead cable structure for electric and optical transmission
US5325457A (en) * 1991-09-20 1994-06-28 Bottoms Jack Jr Field protected self-supporting fiber optic cable
EP2520962A1 (fr) * 2011-05-03 2012-11-07 Sehf-Korea Co., Ltd. Câble hybride électrique optique
US8909012B2 (en) * 2012-04-27 2014-12-09 Corning Cable Systems Llc Hybrid cable including fiber-optic and electrical-conductor stranded elements
US9530541B2 (en) * 2015-02-13 2016-12-27 Raytheon Company Cable with spring steel or other reinforcement member(s) for stable routing between support points

Also Published As

Publication number Publication date
AR109655A1 (es) 2019-01-09
BR102016021858A2 (pt) 2018-04-10

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