EP1113460A2 - Câble, notamment câble sous-marin, et sa méthode de fabrication - Google Patents

Câble, notamment câble sous-marin, et sa méthode de fabrication Download PDF

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Publication number
EP1113460A2
EP1113460A2 EP00126358A EP00126358A EP1113460A2 EP 1113460 A2 EP1113460 A2 EP 1113460A2 EP 00126358 A EP00126358 A EP 00126358A EP 00126358 A EP00126358 A EP 00126358A EP 1113460 A2 EP1113460 A2 EP 1113460A2
Authority
EP
European Patent Office
Prior art keywords
reinforcement
cable
wires
strands
section
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
EP00126358A
Other languages
German (de)
English (en)
Other versions
EP1113460B1 (fr
EP1113460A3 (fr
Inventor
Matthias Hoch
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.)
Norddeutsche Seekabelwerke GmbH
Original Assignee
Norddeutsche Seekabelwerke 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 Norddeutsche Seekabelwerke GmbH filed Critical Norddeutsche Seekabelwerke GmbH
Publication of EP1113460A2 publication Critical patent/EP1113460A2/fr
Publication of EP1113460A3 publication Critical patent/EP1113460A3/fr
Application granted granted Critical
Publication of EP1113460B1 publication Critical patent/EP1113460B1/fr
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
    • H01B7/182—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring comprising synthetic filaments
    • 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
    • H01B7/14—Submarine cables

Definitions

  • the invention relates to a cable, in particular a submarine cable, According to the preamble of claim 1 and 2. Furthermore relates to the invention a method for producing a Cable, in particular a submarine cable, according to the preamble of Claim 9.
  • the reinforcement takes mechanical stress on the Cable on.
  • the reinforcement is particularly useful for submarine cables to the cable core with the conductors when laying, picking up, Landing, plowing or the like before the given to protect mechanical loads.
  • submarine cables With sea areas with rocky hatched seabed in the area of underwater mountains with steep slopes, even in shallower ones for fishing and waters used for anchoring on those intended for landings Routes, submarine cables are replaced by additional ones Reinforcement layers protected.
  • the reinforcement will be placed on the continuous cable length not exposed to the same stress everywhere. Since the Reinforcement structure with continuous submarine cables always dependent must be dimensioned from the greatest load, is the reinforcement on length sections with less Oversized load. This makes such a cable more expensive and above all, the cable has an unnecessarily large size Weight on.
  • the invention is based on the object To create cables, especially a submarine cable, over a structure that meets local requirements. Furthermore, the invention is based, a simple task Process for producing such a cable, in particular Submarine cable.
  • a cable for solving the above task has the features of claim 1.
  • individual reinforcing wires preferably at least in some areas by filling strands same cross section from a less tensile and / or limp, in particular lighter material are replaced, a reinforcement can be created that corresponds to the given mechanical loads on the cable is matched.
  • a reinforcement can be created that corresponds to the given mechanical loads on the cable is matched.
  • the fill strands serve practically only as Gap fillers that ensure that the reinforcement all around remains closed by the filling strands adjoining Hold the reinforcement wires together in their intended position.
  • the cable points along its length reinforcements of different strengths that meet requirements can be placed by where less loads on the reinforcements, a certain one Number of armouring wires in sections through the filler strands is replaced.
  • the fill strands serve only to keep the reinforcement closed without any significant absorb external mechanical loads. The result possible formation of the fill strands from a less tensile and / or limp material, such as plastic, especially fiber-reinforced plastic, does that Cable lighter and cheaper.
  • the replacement of the reinforcing wires according to the invention as required filling strands can be used for all conceivable cable types and Constructions are used, and not just for submarine cables.
  • the individual reinforcement wires and filler strands can be used the reinforcement straight in the longitudinal direction of the cable run, but also twisted and / or stranded.
  • the cable is in the area of reinforcement from several, at least two, Reinforcement sections formed, but at least the Cable core is uninterrupted.
  • the reinforcement of a reinforcement section has at least one end region a fill strand on a portion of a reinforcing wire in the relevant end region of the reinforcement section replaced.
  • By replacing one or more reinforcement wires at least one reinforcement section in the end area filling strands reduce the mechanical, external resilience the relevant area of the cable to the end of the concerned Reinforcement section down.
  • At the end such a reinforcement section then has at least one outer reinforcement layer only fill strands, which in particular due to their formation from a limp material do not tend to jump open and thereby connecting the mutually facing ends preferably different Lighten reinforcement sections.
  • the reinforcement sections expediently have different ones Reinforcements to adapt the cable to different external loads. This applies especially to submarine cables that for example in different water depths and / or at Different types of seabed (formation) be placed.
  • the reinforcement sections have usually a different number of Reinforcement layers. For example, one has less stressed area of the cable over a single reinforcement layer, while a more heavily loaded area two (or too still has several) reinforcement layers.
  • the outer reinforcement layer of the plurality of reinforcement layers having reinforcement section towards the other Reinforcement section one in the longitudinal direction towards the end increasingly less number of reinforcing wires.
  • the connection of the respective reinforcing wire with the filler strand takes place in particular by means that the junction is not worth mentioning thicken.
  • there is a thin-walled tube preferably made of steel, aluminum or stainless steel. In the tube is inserted up to half its length End area of the reinforcement wire and the one to be connected to it Filling strand inserted and connected to the tube. This can be glued or squeezed together in certain areas of the tube happen. Alternatively, it is conceivable to face each other Ends of the reinforcement wire and filler to stick together. Such a connection point no thickening, so that a seamless transition from Reinforcement wire to the fill strand is given.
  • the continuous Cable core is provided with a reinforcement that consists of different reinforcement sections is formed a reinforcement that meets the requirements is formed.
  • a reinforcement that meets the requirements is formed.
  • the mechanical loads on the cable are lower, because, for example, a submarine cable in shallower water is placed and plowed in, an arming section with a smaller number of reinforcing wires can be used.
  • the reinforcement shows Reinforcement sections with a larger number of reinforcement wires on. It can be a cable, especially submarine cable, form, in some areas a differently resilient Has reinforcement.
  • the reinforcement sections are for submarine cables expediently chosen and placed so that one reinforcement meets the given requirements, in particular the reinforcement for submarine cables the depth profile of the Cable route is adjusted.
  • sections of at least some reinforcement wires or whole reinforcement wires of at least one selected Reinforcement section By making sections of at least some reinforcement wires or whole reinforcement wires of at least one selected Reinforcement section to be replaced by filling strands and Filling strands with armoring wires from another armoring section or be connected to those reinforcing wires, whose sections are replaced and filled in by the filling strands
  • heavier and stiffer reinforcement wires can be used in any length and number by lighter and especially sagging filling strands to be replaced, wherein the fill strands the spaces of the replaced sections of the Take over the reinforcement wires in the relevant reinforcement layer and thereby the remaining armoring wires in the Hold the reinforcement layer together.
  • the reinforcement wires with the Cored wires thus form an overall closed reinforcement layer, thereby shaping the cable thus produced remains unchanged.
  • the replacement of individual armoring wires with Filling strands causes the cable to be its usual maintains round, cylindrical shape and the diameter does not change.
  • the manufactured by the inventive method Accordingly, the cable has a continuous lengthwise direction Course with constant diameter without that is visible on the outer shape of the cable which places and in what number of reinforcement wires Fill strands have been replaced.
  • the reinforcement wires towards the end of the respective reinforcement section preferably an outer reinforcement layer in increasing Dimensions replaced by fill strands, so far that in the end of a reinforcement section at least the outer reinforcement layer only has filling strands, which may be the only one (Inner) reinforcement of the adjacent reinforcement section can overlap a short distance.
  • the at the end of the concerned reinforcement section only in the outer Reinforcement layer ensure existing fill strands through their limp properties a cohesion of the external Reinforcement layer at the end of the reinforcement section, whereby the Do not open up the filling strands of the outer reinforcement layer.
  • the ends of the filler strands are the outer Reinforcement layer by a bandage, for example wrapping from high tensile fibers, cords or the like in preferably the entire transition area between neighboring ones Reinforcement sections held together.
  • This bandage or wrapping can form a continuous Transition at the subsequent end area of the neighboring one Reinforcement section with a smaller diameter as a result a missing reinforcement layer.
  • FIG. 1 shows a cross section a submarine cable 10 with a structure known per se.
  • Fig. 2 is a cross section through a submarine cable 11 with a other structure shown basically known type.
  • the submarine cables 10 and 11 basically have one inside same structure.
  • 10 for both submarine cables and 11 use the same reference numerals.
  • the same trained Cable core 12 of submarine cables 10 and 11 have a central, central cladding tube 13.
  • the cladding tube 13 are in the Embodiment shown several optical conductors, namely Optical waveguide 14, loose in a manner known per se arranged.
  • the remaining cavity in the cladding tube 13 can may be filled in by a highly viscous, flowable Filling compound.
  • the cladding tube 13 is surrounded by one Reinforcement layer 15 made of several identical reinforcement wires 16.
  • the metallic reinforcement wires 16 are directly adjacent to one another arranged in the reinforcement layer 15 so that they result in a closed jacket around the cladding tube 13.
  • the cable core 12 has an inner one Envelope 17 made of an insulating material, for example Plastic, such as especially polyethylene.
  • the inner wrapping 17 electrically separates the cable core 12 from those around the cable core 12 arranged around parts of the submarine cables 10 and 11, and thus in the laid state from the sea-earth.
  • Each of the two submarine cables 10 and 11 is armored 18 and 19. These reinforcements 18 and 19 are for the submarine cables 10 and 11 formed differently.
  • submarine cable 10 Reinforcement 18 formed from two reinforcement layers 20 and 21.
  • a inner reinforcement layer 20 surrounds the inner casing 17 of the Cable core 12.
  • the outer reinforcement layer 21 surrounds the inner one Reinforcement layer 20.
  • the outer reinforcement layer 21 is preferred surrounded by an outer envelope 22, which is made of plastic or a plastic-like material (for example Polypropylene yarn) is formed.
  • the submarine cable 11 differs from the submarine cable 10 in that that the reinforcement 19 has only a single reinforcement layer.
  • This reinforcement layer corresponds to the inner reinforcement layer 20 of the submarine cable 10 and is therefore with the same reference number Mistake.
  • the only reinforcement layer 20 of the submarine cable 11 is in turn surrounded by an outer casing 24 which is used for Protection of the submarine cable 11 is made of the same material as the outer envelope 22 is formed.
  • the reinforcement layers 20 and 21 are formed from the same, circular reinforcement wires 25. These are made of steel, Stainless steel or aluminum.
  • the armoring wires 25 are in Sealing layer arranged around the cable core 12, whereby the Reinforcement layers 20 and 21 closed protective sheaths around the Form cable core 12 around.
  • the reinforcement layers 20 and 21 of the Submarine cables 10 have different diameters. This come despite the same diameter of the reinforcement wires 25 in that the outer reinforcement layer 21 a has a larger number of reinforcing wires 25 than the inner one Reinforcement layer 20.
  • the reinforcement wires 25 individually or all Reinforcement layers 20 and 21 are preferably in themselves stranded in a known manner. This also applies to the reinforcement wires 16 to form the reinforcement layer 15 in the cable core 12 of the submarine cable 10 and / or 11.
  • the submarine cable has different reinforcements. In the embodiment shown, it is about Reinforcements 18 and 19. Reinforcement sections from the reinforcements 18 and 19 are fair in the requirements, especially in coordination with the cable route, the length of the submarine cable arranged. It always runs same cable core 12 continuously over the entire length of the Submarine cables, i.e. continuously over the individual successive ones Reinforcement sections. Where the armor section how the armor 18 is formed, that has Submarine cable over a cross section of that shown in FIG. 1 Submarine cable 10.
  • the armor section has the armor 19, is the submarine cable in cross section like the submarine cable 11 of the Fig. 2 formed.
  • the one on the continuous Cable core 12 successively arranged different Reinforcement sections preferably have continuous Reinforcement wires 25 in the inner reinforcement layer 20 but it is also that the reinforcing wires 25 only over extend the respective reinforcement section and in the transition area 28 are interconnected.
  • the outer reinforcement 19 of the reinforcement section having two reinforcements 18, 19 ends in the transition region 28 between successive ones Reinforcement sections.
  • the Invention wants to avoid this by going along such Reinforcement sections of the submarine cable 10 and 11, in which the Reinforcement 18, 19 is not fully loaded, one corresponding number of reinforcing wires 25 is replaced by filling strands 31.
  • the reinforcement 18 of the submarine cable 10 adapt individually to the needs.
  • the reinforcement 18 then has a needs-based resilience, whereby Oversizing beyond the level of security required are eliminated.
  • 1 shows a cross section through an area of the submarine cable 10 in which four reinforcement wires 25 are replaced by filler strands 31. Are each two filling strands 31 lying next to each other diametrically on themselves opposite areas of the outer reinforcement layer 21 distributed.
  • the filling strands 31 are formed from a less tensile strength Material that is additionally or alternatively limp. Filling strands made of plastic meet these requirements 31. It can be thermoplastic, unreinforced Trade plastics, but also reinforced plastics, especially fiber reinforced plastics, for example glass fiber reinforced plastics. Such filling strands 31 are lighter than the armoring wires 25, which reduces the weight of the Submarine cable 10 by adapting the armor 18 to the prevailing pressure conditions can be reduced.
  • the reinforcement wires 25 are replaced by filler strands 31 during the manufacture of the submarine cable 10 by where one respective reinforcing wire 25 replaced by a filler strand 31 is to be cut, the armoring wire 25.
  • the place the missing section of the respective reinforcement wire 25 then takes over a corresponding filler strand 31
  • the respective filling strand 31 has dimensions, in particular a cross section that corresponds to the cross section of the replaced armoring wire 25 corresponds. If a round To replace armoring wire 25 with a certain diameter , the corresponding filler strand 31 also has one round cross-section with the same or approximately the same diameter on.
  • the fill strand 31 cut off and it follows in the longitudinal direction of the submarine cable 10 again the armoring wire 25 each reinforcement wires 25 of a certain length through filler strands 31 of the same length replaced.
  • a connection is made the mutually facing ends of the respective reinforcement wire 25 and the associated filling strand 31.
  • This connection can through a pipe section, namely a thin-walled sleeve 32 take place (Fig. 4).
  • the sleeve 32 can be of various types Materials are formed. It preferably consists of a Material that matches the material of the respective reinforcement wire 25 is compatible, for example stainless steel, in particular stainless steel.
  • the sleeve 32 are from opposite Short end regions of the reinforcing wire 25 and the sides inserted filler strand 31 to be connected, approximately so far that the mutually facing ends of the reinforcement wire 25 and the filling strand 31 approximately in the middle of the sleeve 32 itself meet or lie almost in front of each other.
  • the connection of the Reinforcement wire 25 with the respective fill strand 31 through the Sleeve 32 is secured by a partially plastic Deformation of the sleeve 32, namely a crushing of the same.
  • At least the sleeve 32 is in the end region of the fill strand 31 and the armoring wire 25 each once on one certain place squeezed together.
  • a thin-walled education the sleeve 32, the wall thickness in FIG. 4 only to Is drawn thicker for the purposes of illustration the junction of the armoring wire 25 with the fill strand 31 only a slight and hardly annoying increase in diameter is available.
  • the Submarine cables composed of several different ones Reinforcement sections, the cable core 12, however, continuously runs.
  • the reinforcement 18 and the reinforcement 19 follow alternately one on top of the other so that different one after the other Reinforcement sections are created.
  • the number of different There are no limits to the reinforcement sections.
  • submarine cables 10 and 11 with different Reinforcements 18, 19 follow one another several times.
  • the Positioning and the length of the respective reinforcement sections corresponds to the course, especially the water depths and the nature of the seabed, the route on which the submarine cables are to be laid. Then there is one Area of the composite submarine cable that has a reinforcement section with reinforcement 19 from only one reinforcement layer 20 has in areas with low load.
  • the thicker one Reinforcement section with two reinforcement layers 20 and 21 over Filling strands 31 are preferably only in the end region 29 outer reinforcement layer 21 filling strands 31 available.
  • the Fill strands 31 thereof gradually, i. H. along a transition section along the longitudinal axis of the continuous Cable core 12 replaced by reinforcing wires 25 again.
  • the formation of the outer reinforcement layer 21 at the end of the submarine cable 10 through only filler strands 31 ensures one light cohesion of a flexible plastic Filled strands 31 formed in the outer reinforcement layer 21.
  • Um the transition of those ending in the transition region 28 butt Filling strands 31 of the outer reinforcement layer 21 of a reinforcement section to a reinforcement section with only one Reinforcing layer 20 (Fig. 2) to even out the Ends of the filling strands 31 flattened by softening or beveled.
  • the ends of the fill strands 31 at the end of the outer reinforcement layer 21 of the submarine cable 10 be welded, whereby the filler strands 31 reliably in the outer reinforcement layer 21 are held together.
  • Wrapping the filling strands 31 to ensure their cohesion in the outer reinforcement layer 21 can then optionally omitted.
  • the invention is suitable for any type of cable and not only for the submarine cable 10 shown for example in the figures and 11.
  • Reinforcement sections on the continuous cable core 12 creates a submarine cable with the appropriate length and defined changing armouring with regard to the resilience of the Route along which the submarine cable is to be laid has been adjusted is such that more resilient reinforcement sections on such sections of the submarine cable are located have a greater depth and less resilience Reinforcement sections of sections of shallower water and can be assigned to a load that is not so high. It can be one of the prevailing conditions Manufacture submarine cables adapted to the reinforcement.

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  • Insulated Conductors (AREA)
  • Laying Of Electric Cables Or Lines Outside (AREA)
  • Ropes Or Cables (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
EP00126358A 1999-12-27 2000-12-02 Câble, notamment câble sous-marin, et sa méthode de fabrication Expired - Lifetime EP1113460B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19963205 1999-12-27
DE19963205 1999-12-27

Publications (3)

Publication Number Publication Date
EP1113460A2 true EP1113460A2 (fr) 2001-07-04
EP1113460A3 EP1113460A3 (fr) 2002-09-25
EP1113460B1 EP1113460B1 (fr) 2006-05-17

Family

ID=7934641

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Application Number Title Priority Date Filing Date
EP00126358A Expired - Lifetime EP1113460B1 (fr) 1999-12-27 2000-12-02 Câble, notamment câble sous-marin, et sa méthode de fabrication

Country Status (5)

Country Link
US (1) US6567591B2 (fr)
EP (1) EP1113460B1 (fr)
JP (1) JP2001210150A (fr)
AT (1) ATE326761T1 (fr)
DE (2) DE10059918A1 (fr)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002140937A (ja) * 2000-11-01 2002-05-17 Furukawa Electric Co Ltd:The 外装付き長尺体
US7184364B2 (en) * 2002-10-29 2007-02-27 Geospace Engineering Resources International, Lp Armored seabed laid seismic cable and method and apparatus for manufacturing same
KR100506860B1 (ko) * 2003-12-03 2005-08-08 엘에스전선 주식회사 광섬유 복합 전력 케이블
DE102004015219B4 (de) * 2004-03-22 2006-04-20 Warschau, Katrin Kabel für geophysikalische Mess- und Erkundungszwecke
JP5536798B2 (ja) 2008-12-29 2014-07-02 プリズミアン・ソチエタ・ペル・アツィオーニ ケーブル外装移行部を有する海底送電ケーブル
DE102009057147A1 (de) 2009-12-05 2011-06-09 Führer, Werner Kabel hoher Steifigkeit
US8915659B2 (en) 2010-05-14 2014-12-23 Adc Telecommunications, Inc. Splice enclosure arrangement for fiber optic cables
US8885998B2 (en) * 2010-12-09 2014-11-11 Adc Telecommunications, Inc. Splice enclosure arrangement for fiber optic cables
CA2832823C (fr) 2011-04-12 2020-06-02 Ticona Llc Ame composite pour cables electriques de transmission
CN103477020A (zh) 2011-04-12 2013-12-25 提克纳有限责任公司 用于海底应用的脐带
WO2012142107A1 (fr) 2011-04-12 2012-10-18 Ticona Llc Tiges thermoplastiques renforcées par des fibres continues et procédé de pultrusion pour leur fabrication
JP6169006B2 (ja) 2014-01-20 2017-07-26 古河電気工業株式会社 海中ケーブル、海中ケーブル敷設構造、および海中ケーブルの敷設方法
CN110010287B (zh) * 2014-08-21 2020-09-29 美题隆公司 深水传输用电线、深水传输用电力电缆以及向深水设备供电的方法
DE102014014793A1 (de) 2014-10-10 2016-04-14 Werner Führer Kabel hoher Steifigkeit
DE102014014794A1 (de) 2014-10-10 2016-04-14 Werner Führer Kabel hoher Steifigkeit und Verfahren zur Herstellung desselben
CN108352223B (zh) * 2015-11-10 2020-10-23 贝卡尔特公司 电力传输缆线
EP3333995A1 (fr) * 2016-12-07 2018-06-13 Nexans Système de câble sous-marin à faible perte et procédé de pose d'un système de point d'arrivée de câbles sous-marins
CN112635107A (zh) * 2020-12-18 2021-04-09 中天科技海缆股份有限公司 系泊缆及其制造方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2138523A (en) * 1983-04-22 1984-10-24 Bridon Plc Variable density cables

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0811177B1 (fr) * 1995-12-20 2006-08-09 Alcatel Configuration de cable sous-marin resistant a l'abrasion

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2138523A (en) * 1983-04-22 1984-10-24 Bridon Plc Variable density cables

Also Published As

Publication number Publication date
EP1113460B1 (fr) 2006-05-17
DE50012767D1 (de) 2006-06-22
ATE326761T1 (de) 2006-06-15
US6567591B2 (en) 2003-05-20
DE10059918A1 (de) 2001-06-28
US20010016103A1 (en) 2001-08-23
EP1113460A3 (fr) 2002-09-25
JP2001210150A (ja) 2001-08-03

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