WO2022011897A1 - 一种线芯连续的动静态海缆及其生产方法 - Google Patents

一种线芯连续的动静态海缆及其生产方法 Download PDF

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Publication number
WO2022011897A1
WO2022011897A1 PCT/CN2020/126783 CN2020126783W WO2022011897A1 WO 2022011897 A1 WO2022011897 A1 WO 2022011897A1 CN 2020126783 W CN2020126783 W CN 2020126783W WO 2022011897 A1 WO2022011897 A1 WO 2022011897A1
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WO
WIPO (PCT)
Prior art keywords
dynamic
static
armor layer
section
segment
Prior art date
Application number
PCT/CN2020/126783
Other languages
English (en)
French (fr)
Chinese (zh)
Inventor
潘盼
祝庆斌
牛学超
陈步圣
胡明
谢书鸿
Original Assignee
中天科技海缆股份有限公司
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 中天科技海缆股份有限公司 filed Critical 中天科技海缆股份有限公司
Priority to EP20945294.5A priority Critical patent/EP4163933A4/de
Publication of WO2022011897A1 publication Critical patent/WO2022011897A1/zh

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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
    • H01B7/14—Submarine 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
    • 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
    • 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
    • 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
    • H01B7/226—Helicoidally wound metal wires or tapes
    • 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
    • H01B7/24—Devices affording localised protection against mechanical force or pressure
    • 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
    • H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
    • H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable

Definitions

  • the invention relates to the related technical field of submarine cables, and more precisely relates to a dynamic and static submarine cable with continuous wire cores and a production method thereof.
  • the dynamic submarine cable of the prior art usually consists of a cable core for transmitting current and an optical cable core for transmitting optical signals to form a submarine cable core, and several sheath layers, armor layers, etc. are arranged on the outside.
  • Dynamic submarine cables are gradually developing in the direction of large water depth, high voltage, and large-capacity signal transmission, and the corresponding protection requirements for dynamic submarine cables are also gradually increasing.
  • the dynamic and static sections of submarine cables are usually produced separately.
  • the static section adopts a single-layer armor without extruding the outer sheath.
  • the connection is made through a splice box, the cables in the splice box are connected through soft joints or prefabricated hard joints, and the optical cables are connected through a fiber splice box.
  • the use of continuous connection has the defects of large transmission loss, easy to be affected by moisture, and high risk of breakdown under high electric field stress.
  • the main purpose of the present invention is to provide a dynamic and static submarine cable with continuous cores, which has a static section and a dynamic section with uninterrupted cores, a transition section between the static section and the dynamic section, and a seal is installed on the transition section.
  • Components, power and communication transmission systems are connected without artificial joints to ensure long-distance transmission stability and safety, while meeting the requirements of submarine cable protection.
  • Another object of the present invention is to provide a method for producing a dynamic and static submarine cable with continuous cores. Install the steel wire and install the sealing components together to improve the manufacturing efficiency and reduce the manufacturing cost.
  • the present invention provides a dynamic and static submarine cable with continuous cores, which has a continuous core, a static section, a dynamic section, and a transition section between the static section and the dynamic section.
  • An inner sheath is formed by extruding the outside of the core, and the part of the inner sheath located in the transition section is selected as a transition point; And the position corresponding to the transition point is marked on the inner armor layer; the armored steel wires are twisted from the dynamic section to the transition section direction to form at least one outer armor layer, and the outer armor layer Extending to the transition section, the inner armor layer and the outer armor layer are cut off at the transition point, and the inner armor layer and the outer armor layer of the transition section are combined to install a seal components.
  • the static segment comprises a static inner armor layer and an outer sheath, the static inner armor is wrapped outside the inner sheath, and the outer sheath is wrapped outside the static inner armor;
  • the static inner armor layer extends to the transition point, the outer sheath extends to the junction of the static segment and the transition segment, and the static inner armor layer in the transition segment is bent at 90°. fold.
  • the dynamic segment includes a dynamic inner armor layer, a dynamic outer armor layer, and an outer sheath, the dynamic inner armor layer is wrapped outside the inner sheath, and the dynamic outer armor layer is wrapped around the outer sheath.
  • the dynamic inner armor layer is outside, the outer sheath is wrapped around the dynamic outer armor layer; the dynamic inner armor layer extends to the transition point, and the dynamic inner armor layer of the transition section is And the dynamic outer armor layer is expanded into an umbrella shape.
  • the sealing assembly includes a static segment anchor, a dynamic segment anchor and a sealing ring, and the dynamic inner armor layer and the dynamic outer armor layer of the transition segment are installed in the cavity of the dynamic segment anchor.
  • the sealing ring is installed in the cavity where the dynamic segment is anchored, and the sealing ring is installed on the inner sheath, and the dynamic segment anchoring is filled with steel wire tightening glue;
  • the static segment anchoring and The dynamic segment anchors cooperate to clamp the static inner armor layer in the transition segment, and the static segment anchors are locked and connected with the dynamic cable anchors through bolts, and the interior of the static segment anchors is filled with resin glue .
  • the static section anchoring is Haval type.
  • the armor steel wires of the inner armor layer and the outer armor layer are medium carbon galvanized steel wires.
  • two layers of inner armor layers are formed by twisting armored steel wires on the inner sheath, and two layers of outer armor layers are formed by twisting the armored steel wires from the dynamic section to the transition section.
  • the present invention also provides a method for producing a dynamic and static submarine cable with continuous cores, which is used for the dynamic and static submarine cables with continuous cores, including steps;
  • the outer armor layer is twisted in the opposite direction to the inner armor layer, and the outer armor layer extends to the end of the transition section, using steel tapes carrying out the end fixing of the outer armor layer;
  • the dynamic segment is anchored at the position where the dynamic segment enters the take-up reel.
  • the sealing ring is pre-tightened and deformed by stainless steel clips and bolts.
  • the advantages of a dynamic and static submarine cable with continuous cores and a production method thereof disclosed in the present invention are that the dynamic and static submarine cables with continuous cores are connected without artificial joints, have low transmission loss, and are stable.
  • the dynamic and static submarine cables with continuous cores have good protection performance and can effectively avoid operation accidents; the production method of the continuous dynamic and static submarine cables with cores has high efficiency and does not require modification of existing production equipment. Achievable and low cost.
  • FIG. 1 is a schematic structural diagram of a dynamic and static submarine cable with continuous cores according to the present invention.
  • FIG. 2 is a schematic side cross-sectional view of a dynamic section of a dynamic and static submarine cable with continuous cores connected to a Haval sealing ring and a dynamic cable anchoring according to the present invention.
  • FIG. 3 is a schematic front cross-sectional view of a dynamic and static submarine cable with continuous cores according to the present invention when no sealing components are installed.
  • a dynamic and static submarine cable with continuous cores of the present invention has a continuous core 10, a static section 11, a dynamic section 12 and a transition section 13, the transition section 13 is located in the static section Between 11 and the dynamic section 12 , the transition section 13 incorporates the mounting seal assembly 20 .
  • the wire cores 10 include cable cores and optical cable cores.
  • the cable cores and the optical cable cores are continuously produced and twisted into bundles by a vertical cable forming machine.
  • the inner sheath 101 is formed by extruding the outside of the wire core 10 , and the portion of the inner sheath 101 located in the transition section 13 is selected as a transition point 131 .
  • At least one inner armor layer is formed by stranded armored steel wires on the inner sheath 101 , and the position corresponding to the transition point 131 is marked on the inner armor layer. From the dynamic section 12 to the transition section 13, the armored steel wires are twisted to form at least one outer armor layer, and the outer armor layer extends to the transition section 13, and the inner armor layer and the outer armor layer are cut off at the transition point 131, and The sealing assembly 20 is installed through the combination of the inner and outer armor layers of the transition section 131 .
  • the sealing assembly 20 can be used as a fixing pin for docking and fixing with the seabed fixing device, so as to prevent the dynamic submarine cable from being greatly deflected under the action of external loads.
  • the inner sheath 101 is twisted with armored steel wires to form two inner armor layers, and the armored steel wires are twisted from the dynamic section 12 to the transition section 13 to form two outer armor layers, thereby increasing the unit weight and Strength, improve its adaptability to the service environment, so as to meet the requirements of large water depth and severe environmental loads.
  • the static section 11 includes a static inner armor layer 111 and an outer sheath layer 112 , the static inner armor layer 111 is wrapped outside the inner sheath 101 , and the outer sheath layer 112 is wrapped outside the static inner armor layer 111 .
  • the static inner armor layer 111 extends to the transition point 131 , and the outer covering layer 112 extends to the junction of the static section 11 and the transition section 13 .
  • the static inner armor layer 111 in the transition section 13 is bent at 90°, perpendicular to the axis of the wire core 10, and the armored steel wires of the static inner armor layer 111 are flattened around.
  • the outer covering layer 113 is formed by twisting PP rope, and the armored steel wire is made of medium carbon galvanized steel wire.
  • the dynamic section 12 includes a dynamic inner armor layer 121, a dynamic outer armor layer 122 and an outer sheath 123, the dynamic inner armor layer 121 is wrapped outside the inner sheath 101, and the dynamic outer armor layer 122 is wrapped in the dynamic inner armor layer Outside 121 , the outer sheath 123 is wrapped outside the dynamic outer armor layer 122 .
  • the dynamic inner armor layer 121 extends to the transition point 131 and the outer sheath 123 extends to the junction of the dynamic section 12 and the transition section 13 .
  • the armored steel wires of the dynamic inner armor layer 121 and the dynamic outer armor layer 122 of the transition section 13 are expanded to form an umbrella shape.
  • the outer sheath 123 is formed by extrusion.
  • the sealing assembly 20 includes a static segment anchor 21, a dynamic segment anchor 22 and a sealing ring 23.
  • the static segment anchor 21 is installed from the static segment 11 side to the transition segment 13, and the dynamic segment anchor 22 is installed from the dynamic segment 12 side to the transition segment 13.
  • the dynamic inner armor layer 121 and the dynamic outer armor layer 122 of the transition section 13 are installed in the cavity of the dynamic section anchor 22, the sealing ring 23 is installed in the cavity of the dynamic section anchor 22, and the sealing ring 23 is installed in the inner sheath
  • the sleeve 101 is located inside the dynamic inner armor layer 121 and the dynamic outer armor layer 122 of the transition section 13, and the inner part of the dynamic section anchor 22 is filled with steel wire tightening glue.
  • the sealing ring 23 is a Haval type sealing ring, including two symmetrical parts 231 and 232 .
  • the sealing ring 23 is made of high elastic modulus, which can meet the large deformation and not damaged rubber material, and is pre-tightened and deformed by stainless steel clips and bolts to meet the sealing requirements.
  • the static segment anchor 21 cooperates with the dynamic segment anchor to clamp the armored steel wire of the static inner armor layer 111 in the transition segment 13, and the static segment anchor 21 is locked with the dynamic cable anchor 22 by bolts. After locking, the static segment is anchored 21 is injected with resin glue, and the cavity of the static segment anchor 21 is filled.
  • the static section anchor 21 is preferably of the Haval type, comprising two parts 211 , 212 .
  • the static section anchorage 21 can also be an integral structure.
  • the invention also discloses a method for producing a dynamic and static submarine cable with continuous wire cores, which is used for producing the continuous dynamic and static submarine cable with wire cores, comprising the steps of:
  • step (E) the dynamic segment is anchored at the position where the dynamic segment enters the take-up reel, so that the dynamic cable can smoothly pass through the anchoring hole.
  • step (F) the sealing ring is pre-tightened and deformed by stainless steel clips and bolts, so as to improve the sealing performance.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Insulated Conductors (AREA)
  • Laying Of Electric Cables Or Lines Outside (AREA)
PCT/CN2020/126783 2020-07-16 2020-11-05 一种线芯连续的动静态海缆及其生产方法 WO2022011897A1 (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20945294.5A EP4163933A4 (de) 2020-07-16 2020-11-05 Dynamisches und statisches unterwasserkabel mit durchgehender drahtseele und herstellungsverfahren dafür

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202010685624.7 2020-07-16
CN202010685624.7A CN111899927B (zh) 2020-07-16 2020-07-16 一种线芯连续的动静态海缆及其生产方法

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WO2022011897A1 true WO2022011897A1 (zh) 2022-01-20

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EP (1) EP4163933A4 (de)
CN (1) CN111899927B (de)
WO (1) WO2022011897A1 (de)

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CN116682604A (zh) * 2023-07-04 2023-09-01 宁波东方电缆股份有限公司 一种动静态转换脐带缆及其成型方法

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CN113299431B (zh) * 2021-05-21 2022-04-15 中天科技海缆股份有限公司 动静态海缆及其制造方法
DE102021131422A1 (de) * 2021-11-30 2023-06-01 Rwe Renewables Gmbh Seekabelsystem und Verfahren zum Verlegen eines Seekabelsystems

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JPH02168805A (ja) * 1988-12-19 1990-06-28 Furukawa Electric Co Ltd:The 接続部付き水底ケーブル
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JPH02168805A (ja) * 1988-12-19 1990-06-28 Furukawa Electric Co Ltd:The 接続部付き水底ケーブル
CN202084895U (zh) * 2011-01-26 2011-12-21 郑炳文 一种海底电缆穿越海上钢制构筑物甲板固定装置
CN205283073U (zh) * 2015-12-07 2016-06-01 江苏亨通海洋光网系统有限公司 一种海缆的缆型过渡接头
CN205595098U (zh) * 2016-04-01 2016-09-21 江苏亨通高压电缆有限公司 一种海底电缆的铠装层过渡接头
CN110632724A (zh) * 2019-10-31 2019-12-31 江苏亨通海洋光网系统有限公司 一种动静态海底光缆接头盒
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116682604A (zh) * 2023-07-04 2023-09-01 宁波东方电缆股份有限公司 一种动静态转换脐带缆及其成型方法
CN116682604B (zh) * 2023-07-04 2024-04-19 宁波东方电缆股份有限公司 一种动静态转换脐带缆及其成型方法

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Publication number Publication date
CN111899927B (zh) 2021-11-23
EP4163933A1 (de) 2023-04-12
EP4163933A4 (de) 2024-06-12
CN111899927A (zh) 2020-11-06

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