WO2018090639A1 - Câble composite photoélectrique et unité de câble associée - Google Patents

Câble composite photoélectrique et unité de câble associée Download PDF

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Publication number
WO2018090639A1
WO2018090639A1 PCT/CN2017/090786 CN2017090786W WO2018090639A1 WO 2018090639 A1 WO2018090639 A1 WO 2018090639A1 CN 2017090786 W CN2017090786 W CN 2017090786W WO 2018090639 A1 WO2018090639 A1 WO 2018090639A1
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WO
WIPO (PCT)
Prior art keywords
layer
cable unit
cable
conductor
armor
Prior art date
Application number
PCT/CN2017/090786
Other languages
English (en)
Chinese (zh)
Inventor
郑侠俊
潘盼
谭爱林
陈楠楠
杨然哲
邵鹏进
Original Assignee
中天科技海缆有限公司
江苏中天科技股份有限公司
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 中天科技海缆有限公司, 江苏中天科技股份有限公司 filed Critical 中天科技海缆有限公司
Priority to MYPI2019002723A priority Critical patent/MY201212A/en
Publication of WO2018090639A1 publication Critical patent/WO2018090639A1/fr

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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
    • 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
    • H01B7/0045—Cable-harnesses
    • 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
    • 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
    • H01B7/20—Metal tubes, e.g. lead sheaths
    • 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
    • H01B7/20—Metal tubes, e.g. lead sheaths
    • H01B7/201—Extruded metal tubes
    • 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
    • H01B7/20—Metal tubes, e.g. lead sheaths
    • H01B7/202—Longitudinal lapped metal tubes
    • 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
    • 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
    • H01B7/2806—Protection against damage caused by corrosion
    • 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
    • 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
    • H01B7/2825—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable using a water impermeable sheath

Definitions

  • the invention relates to the technical field of photoelectric composite cables, in particular to an optoelectronic composite cable suitable for a seabed and a cable unit thereof.
  • Submarine cable is installed in a complex seabed, has long been affected by wave impact, seawater corrosion and many unknown factors. Its design, manufacturing and installation requirements are much higher than ordinary cables, and submarine cables are good for water blocking. To a large extent, it determines the length of its service life.
  • the existing submarine cable generally comprises a conductor, an inner shielding layer disposed outside the conductor, an insulating layer disposed outside the inner shielding layer, an outer shielding layer disposed outside the insulating layer, a metal sleeve disposed on the outer shielding layer, and a metal sleeve disposed on the metal Outer sheath.
  • the metal sleeve is generally a lead sleeve, and the lead sleeve is used as a radial waterproof layer of the cable, and at the same time functions as a metal shield.
  • the lead sleeve has poor creep resistance, low mechanical strength, high DC resistance, and short-circuit current allowed to pass through; and lead is a heavy metal, which has certain environmental pollution to the ocean, so the metal-shielded cable with lead sleeve is shielded.
  • the application is limited.
  • a cable unit includes a conductor layer, an insulating layer disposed outside the conductor layer, and a semiconducting water layer disposed outside the insulating layer, and a copper sleeve shield disposed outside the semiconducting water layer And a jacket layer disposed outside the shield of the copper sleeve.
  • the outer surface of the copper sleeve shielding layer is protruded to form a plurality of convex rings, and the convex ring extends around the circumferential direction of the copper sleeve shielding layer.
  • the plurality of convex rings are evenly spaced, and each of the convex rings has the same peak height.
  • the cable unit further includes a conductor shielding layer disposed between the conductor layer and the insulating layer, and disposed between the insulating layer and the semiconducting water layer Insulation shield.
  • the conductor layer is formed by stranding a plurality of single-wire conductors, and a cross section of the conductor layer and a cross section of the single-wire conductor are both circular.
  • An optoelectronic composite cable comprising any of the above cable unit, cable unit, first strap layer, inner sheath layer, first armor layer, second strap layer, second armor layer and outer sheath a layer, the first tape layer is wrapped around the cable unit and the cable unit, the inner sheath layer is sleeved on the first tape layer, and the first armor layer is sleeved The second tape layer is sleeved on the first armor layer, and the second armor layer is sleeved on the second tape layer, the outer layer The sheath layer is sleeved on the second armor layer.
  • the optoelectronic composite cable further includes a first filler, the first filler being filled in a gap between the cable unit, the cable unit, and the first tape layer,
  • the first filler is a steel rod.
  • the steel rod is stranded from a steel wire.
  • the optoelectric composite cable further includes a second filler, the second filler being filled in a gap between the cable unit, the cable unit, and the first tape layer,
  • the second filler is a thermoplastic.
  • the first armor layer is made of a flat wire and the second armor layer is made of a round wire.
  • the cable unit of the invention adopts the copper sleeve shielding layer as a metal shield, so that the cable unit adopting the copper sleeve shielding layer has high mechanical strength, good corrosion resistance, large short-circuit current carrying capacity and better Water blocking performance.
  • FIG. 1 is a schematic structural view of a cable unit according to an embodiment of the present invention.
  • FIG. 2 is a schematic structural view of a copper sheath shielding layer of the cable unit shown in FIG. 1.
  • FIG. 3 is a schematic structural view of an optoelectric composite cable according to an embodiment of the present invention.
  • FIG. 1 is a schematic structural view of a cable unit according to an embodiment of the present invention.
  • the cable unit 100 is for providing a power transmission service.
  • the cable unit 100 includes a conductor layer 10, a conductor shielding layer 20 disposed outside the conductor layer 10, and an insulating layer 30 disposed outside the conductor shielding layer 20, and disposed on the insulating layer 30.
  • the outer insulating shielding layer 40, the semiconductive water belt layer 50 disposed outside the insulating shielding layer 40, the copper sleeve shielding layer 60 disposed outside the semiconductive water repellent layer 50, and the copper A jacket layer 70 outside the shield layer 60 is provided.
  • the cable unit 100 is a single core cable unit.
  • the conductor layer 10 is formed by stranding a plurality of single-wire conductors for conducting current.
  • the conductor layer 10 has a circular cross section, and the single wire conductor has a circular cross section.
  • the single wire conductor is made by an extrusion process.
  • the single-wire conductor is a copper wire lead, which has good metal compatibility and corrosion resistance.
  • the conductor layer 10 may also be formed by stranding a copper wire and an aluminum wire.
  • the conductor shielding layer 20 is disposed between the conductor layer 10 and the insulating layer 30 and is in good contact with the inner surface of the insulating layer 30.
  • the conductive shielding layer 20 is made of a semiconductive material having a low resistivity and a thin thickness for uniformly electricizing the external surface of the conductor layer 10 to avoid the surface of the conductor layer 10 being not smooth and the conductor layer. A phenomenon in which the conductor layer 10 and the insulating layer 30 are partially discharged due to an air gap generated by the stranding of the single-wire conductor in 10. It can be understood that the conductor shielding layer 20 can be omitted for the low voltage cable unit 100 with a rated voltage of 1 kV or less.
  • the insulating layer 30 serves to withstand the voltage on the conductor layer 10 and to insulate the conductor layer 10.
  • the insulating layer 30 may be made of rubber or plastic, such as natural rubber, styrene butadiene rubber, butyl rubber, neoprene, ethylene propylene rubber, silicone rubber, polyvinyl chloride, polyethylene, polypropylene, fluoroplastic, cross-linking. Polyethylene, etc.
  • the insulating shielding layer 40 is disposed between the insulating layer 30 and the semiconductive water ribbon layer 50 and is in good contact with the outer surface of the insulating layer 30.
  • the insulating shielding layer 40 is made of a semiconductive material having a low resistivity and a thin thickness for avoiding a gap existing between the insulating layer 30 and the semiconductive electric water layer 50 and the insulation.
  • the insulating layer 30 and the semiconductive electric water layer 50 are partially discharged due to defects such as cracks on the outer surface of the layer 30. It can be understood that the insulating shielding layer 40 can be omitted for the low voltage cable unit 100 with a rated voltage of 1 kV or less.
  • the semiconductive electric water layer 50 functions as a longitudinal and radial water blocking function, and serves as a buffer layer between the insulating shielding layer 40 and the copper sheath shielding layer 60 to protect the insulating shielding layer 40.
  • the semi-conductive water strip layer 50 is made of an elastic water-blocking material, which can be expanded and contracted according to the thermal expansion and contraction of the copper sleeve shielding layer 60, and is not reserved for the inside of the copper sleeve shielding layer 60. The gap between thermal expansion and contraction.
  • the semiconductive water strip layer 50 comprises two layers of semiconducting substrate and a water blocking material sandwiched between the two semiconducting substrates, wherein one layer of the semiconducting substrate passes through the flatness.
  • the semi-conductive compound is uniformly adhered to the base fabric required for temperature and strength, and the other semi-conductive substrate is uniformly adhered to the semi-conductive compound on the base fabric having bulky properties, and the semi-conductive electric water material is powdery
  • the polymer water absorbing material is composed of conductive carbon black.
  • FIG. 2 is a schematic structural view of a copper sleeve shielding layer of the cable unit shown in FIG.
  • the copper sleeve shield layer 60 is used to shield the electric field.
  • the copper sleeve shielding layer 60 is substantially in the shape of a hollow sleeve.
  • the copper sleeve shielding layer 60 is sleeved on the semiconductive water belt layer 50.
  • the outer surface of the copper sleeve shielding layer 60 is convexly formed with a plurality of convex rings 62 extending around the circumferential direction of the copper sleeve shielding layer 60.
  • the plurality of convex rings 62 are evenly spaced, and the peak height of each convex ring 62 is substantially the same.
  • the copper sleeve shielding layer 60 can be obtained by longitudinally welding a copper plate and then cooling and embossing; or can be obtained by extrusion, cooling, and embossing.
  • the copper sleeve shielding layer 60 has high mechanical strength, light weight, large short-circuit current allowed to pass, no pollution, good fatigue resistance in a complicated seabed environment, and good radial water blocking performance in a deep water environment. .
  • the plurality of convex rings 62 may be disposed at uneven intervals, and the peak height of each convex ring 62 may also be different. It can be understood that in other embodiments, the plurality of convex rings 62 may also be sequentially connected to form an axially extending spiral around the copper sheath shielding layer.
  • the jacket layer 70 functions as a waterproof and serves to protect the copper sheath shield layer 60.
  • FIG. 3 is a schematic structural diagram of an optoelectric composite cable according to an embodiment of the present invention.
  • the optoelectric composite cable 200 includes a cable unit 100, a cable unit 290, a first filler 210, a second filler 220, a first tape layer 230, an inner jacket layer 240, a first armor layer 250, The second tape layer 260, the second armor layer 270, and the outer jacket layer 280.
  • the cable unit 100, the cable unit 290, the first filler 210, and the second filler 220 are wrapped in the first tape layer 230, and the inner jacket layer 240 is sleeved on The first armor layer 250 is sleeved on the inner jacket layer 240, and the second strap layer 260 is sleeved on the first armor layer 250.
  • the second armor layer 270 is sleeved on the second tape layer 260, and the outer sheath layer 280 is sleeved on the second armor layer 270.
  • the optoelectric composite cable 200 includes three stranded cable units 100. It can be understood that in other embodiments, the number of cable units 100 in the optoelectric composite cable 200 can be set according to actual needs.
  • the cable unit 290 is used to communicate.
  • the optoelectric composite cable 200 includes a stranded cable unit 290. It can be understood that in other embodiments, the number of the cable units 290 in the optoelectric composite cable 200 can be set according to actual needs.
  • the first tape layer 230 is wrapped around the cable unit 100 and the cable unit 290 for fastening the cable unit 100 and the cable unit 290.
  • the first tape layer 230 is a high strength polyester tape.
  • the first filler 210 and the second filler 220 are used to fill a gap between the cable unit 100, the cable unit 290, and the first tape layer 230.
  • the first filler 210 is a steel rod.
  • the steel bar is twisted from a steel wire. Filling with a steel bar increases the rigidity of the optoelectric composite cable 200, and when the optoelectric composite cable 200 is subjected to a fluctuating state due to environmental load, the steel bar can resist part of the external force; and it increases the The self-weight of the optoelectric composite cable 200, in turn, increases the stability of the optoelectric composite cable 200.
  • the second filler 220 is a thermoplastic.
  • the second filler 220 is extruded from a thermoplastic of a specific shape selected from the group consisting of high density polyethylene, medium density polyethylene, polyvinyl chloride, and the like. It can be understood that in other embodiments, the optoelectric composite cable 200 can include only one filler.
  • the inner jacket layer 240 functions as a waterproof and serves to protect the first tape layer 230.
  • the inner jacket layer 240 may be made of a high density polyethylene material, a medium density polyethylene material, or a polyurethane material.
  • the first armor layer 250 is made of a metal material for enhancing mechanical properties such as tensile strength and compressive strength of the optoelectric composite cable 200 to extend the life of the optoelectric composite cable 200; Further improving the anti-interference performance of the optoelectric composite cable 200.
  • the first armor layer 250 may be made of a steel strip, a steel wire, an aluminum strip, an aluminum tube, or the like.
  • the first armor layer 250 is made of flat steel wire and comprises two layers of flat steel wire armor. Compared with the round steel wire, the flat steel wires can be closely attached to each other, and the mechanical strength requirement is satisfied on the basis of ensuring the steel cross section of the first armor layer 250, and the space requirement of the laying ship and the amount of materials are saved.
  • the second tape layer 260 is located between the first armor layer 250 and the second armor layer 270 for separating the second armor layer 270 and the first armor layer 250.
  • the second armor layer 270 is made of a metal material for enhancing mechanical properties such as tensile strength and compressive strength of the optoelectric composite cable 200 to extend the life of the optoelectric composite cable 200; Further improving the anti-interference performance of the optoelectric composite cable 200.
  • the second armor layer 270 is made of round steel wire and comprises two layers of round steel wire armor.
  • the outer jacket layer 280 acts as a waterproof and serves to protect the second armor layer 270.
  • the outer jacket layer 280 is an extruded high density polyethylene layer.
  • the optoelectric composite cable 200 has been tested to be suitable for water depth environments above 800 meters, and its voltage level can reach 110 kV.
  • the cable unit 100 of the present invention adopts the copper sleeve shielding layer 60 as a metal shield, because the copper sleeve shielding layer 60 has high mechanical strength, light weight, large short-circuit current allowed to pass, no pollution, and a complicated underwater environment.
  • the utility model has good fatigue resistance and good radial water blocking performance in a deep water environment, so that the cable unit 100 using the copper sheath shielding layer 60 has high mechanical strength, good corrosion resistance and short circuit. Large current carrying capacity and good water blocking performance.
  • the first armor layer 250 is made of a flat steel wire, which satisfies the mechanical strength requirement while ensuring the steel cross section, and saves the space requirement of the laying ship and the amount of the material.
  • the steel bar as the first filler 210, the rigidity of the photoelectric composite cable 200 is increased, and when the photoelectric composite cable 200 is subjected to the fluctuating state due to the environmental load, the steel bar can resist part of the external force; Moreover, it increases the self-weight of the optoelectric composite cable 200, thereby increasing the stability of the optoelectric composite cable 200.

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Abstract

L'invention concerne un câble composite photoélectrique et une unité de câble associée. L'unité de câble comprend une couche conductrice (10), une couche isolante (30) disposée à l'extérieur de la couche conductrice, une couche de bande de blocage d'eau semiconductrice (50) disposée à l'extérieur de la couche isolante, une couche de protection de gaine de cuivre (60) disposée à l'extérieur de la couche de bande de blocage d'eau semiconductrice, et une couche de gaine (70) disposée à l'extérieur de la couche de protection de gaine de cuivre. Le câble composite photoélectrique présente une résistance mécanique supérieure, une meilleure résistance à la corrosion, une grande capacité de transport de courant de court-circuit et une meilleure performance de blocage d'eau.
PCT/CN2017/090786 2016-11-15 2017-06-29 Câble composite photoélectrique et unité de câble associée WO2018090639A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
MYPI2019002723A MY201212A (en) 2016-11-15 2017-06-29 Cable unit

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201611005927.X 2016-11-15
CN201611005927.XA CN108074661A (zh) 2016-11-15 2016-11-15 光电复合电缆及其电缆单元

Publications (1)

Publication Number Publication Date
WO2018090639A1 true WO2018090639A1 (fr) 2018-05-24

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2017/090786 WO2018090639A1 (fr) 2016-11-15 2017-06-29 Câble composite photoélectrique et unité de câble associée

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CN (1) CN108074661A (fr)
MY (1) MY201212A (fr)
WO (1) WO2018090639A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109300595A (zh) * 2018-09-10 2019-02-01 山东希尔电缆有限公司 高硬度密封承荷探测电缆
CN115072485A (zh) * 2022-06-17 2022-09-20 新亚特电缆股份有限公司 一种馈电电缆及其生产用收卷设备

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CN108614339A (zh) * 2018-07-19 2018-10-02 北京亨通斯博通讯科技有限公司 一种地铁隧道用高阻燃光缆
CN114005583A (zh) * 2021-11-01 2022-02-01 中天科技海缆股份有限公司 一种海缆
CN114171253B (zh) * 2021-11-15 2022-12-09 双登电缆股份有限公司 一种用于光伏系统的光电复合防水阻燃电缆及其加工设备

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CN103531290A (zh) * 2012-07-06 2014-01-22 顾东申 环纹柔性防火电力电缆及其制作方法与退火装置
CN104979040A (zh) * 2015-06-25 2015-10-14 芜湖扬宇机电技术开发有限公司 柔性输电用海底电缆
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CN102522150A (zh) * 2011-12-29 2012-06-27 扬州腾飞电缆电器材料有限公司 高性能半导电缓冲阻水带及其制造方法

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JP2005122912A (ja) * 2003-10-14 2005-05-12 Tatsuta Electric Wire & Cable Co Ltd 風力発電機用電力ケーブル
CN103531290A (zh) * 2012-07-06 2014-01-22 顾东申 环纹柔性防火电力电缆及其制作方法与退火装置
CN104979040A (zh) * 2015-06-25 2015-10-14 芜湖扬宇机电技术开发有限公司 柔性输电用海底电缆
CN206194394U (zh) * 2016-11-15 2017-05-24 中天科技海缆有限公司 光电复合电缆及其电缆单元

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109300595A (zh) * 2018-09-10 2019-02-01 山东希尔电缆有限公司 高硬度密封承荷探测电缆
CN115072485A (zh) * 2022-06-17 2022-09-20 新亚特电缆股份有限公司 一种馈电电缆及其生产用收卷设备

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MY201212A (en) 2024-02-09

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