WO2016008377A1 - 环保型防海虫双钢丝铠装光纤复合海底电缆 - Google Patents

环保型防海虫双钢丝铠装光纤复合海底电缆 Download PDF

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WO2016008377A1
WO2016008377A1 PCT/CN2015/083574 CN2015083574W WO2016008377A1 WO 2016008377 A1 WO2016008377 A1 WO 2016008377A1 CN 2015083574 W CN2015083574 W CN 2015083574W WO 2016008377 A1 WO2016008377 A1 WO 2016008377A1
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layer
sheath
disposed outside
steel wire
water
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PCT/CN2015/083574
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French (fr)
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陈果
马志金
张建民
胡明
刘利刚
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中天科技海缆有限公司
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    • 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
    • H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather

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  • the patent relates to the field of alternating current cable technology, and particularly relates to an environment-friendly anti-seaworm double steel wire armored fiber composite submarine cable.
  • the present invention provides an environmentally-friendly anti-seaworm double-wire armored fiber-optic composite submarine cable, which realizes submarine power transmission and transmission of optical fiber signals, and can effectively meet river and river crossing, marine oil and gas exploitation, seabed resource exploration, and sea. Wind power and tidal power generation, island development and other urgent needs for power and information transmission in marine development.
  • an environmentally-friendly anti-seaworm double-wire armored fiber-optic composite submarine cable including water-blocking conductor layer, conductor shielding layer, insulating layer, insulating shielding layer, semi-conductive water layer, metal sheath layer, and semi-conductive water Belt, phase separation sheath layer, light unit, filling layer, enveloping layer, extruded inner sheath, insect-proof copper belt, inner layer steel wire, fiber mat layer, outer layer steel wire and extruded outer sheath;
  • a conductor shielding layer is disposed outside the water blocking conductor layer, an insulating layer is disposed outside the conductor shielding layer, an insulating shielding layer is disposed outside the insulating layer, and a semi-conductive water layer is disposed outside the insulating shielding layer, and the semi-conductive water is disposed in the semi-conductive water layer.
  • a metal sleeve layer is disposed outside the layer, a semi-conductive water belt is disposed outside the metal sleeve layer, and a phase separation sheath layer is disposed outside the semi-conductive water belt;
  • a filling layer is disposed outside the phase separation sheath layer
  • a light unit is disposed in the filling layer, and the light unit is an reinforced stainless steel tube fiber unit;
  • a belt layer is disposed outside the filling layer, an extruded inner sheath is disposed outside the belt layer, and an insect-proof copper belt is disposed outside the extruded inner sheath;
  • An inner layer of steel wire is disposed outside the insect-proof copper belt, an inner cushion layer is disposed outside the inner layer steel wire, an outer layer steel wire is disposed outside the inner cushion layer, and an extruded outer sheath layer is disposed outside the outer layer steel wire.
  • the metal sheath layer is a copper tape shielding layer.
  • the water blocking conductor layer is made of a copper wire and a water blocking structure.
  • the light unit is provided with 1-3 sets, and each set of optical units contains 1 to 36 cores of optical fibers.
  • the invention has the beneficial effects that the invention realizes submarine power transmission and transmission of optical fiber signals, and can effectively meet the river and lake crossing, and the marine oil and gas opening
  • the urgent need for power and information transmission in marine development such as mining, seabed resource exploration, offshore wind power and tidal power generation, island development, etc. is a kind of non-heavy metal that meets environmental protection requirements; cable insulation can work in underwater environment with excellent protection Ship locust, a submarine fiber composite power cable suitable for deep sea areas and seawater-soaked extruded inner and outer sheaths that meets the requirements of complex and harsh environments.
  • the main features of the present invention are as follows:
  • Lead is heavy metal, causing serious pollution to the environment, water and soil.
  • Lead is a kind of multi-affinity poison, which has adverse effects on the multi-system of the body after entering the body.
  • the body has produced a variety of physiological changes, most of which affect the child's intellectual development and growth.
  • Lead poisoning is regarded as the “first killer” of children's intelligent development.
  • the invention adopts high waterproof high-density polyethylene material instead of lead sleeve as phase separation layer, which has excellent waterproof performance and environmental protection performance.
  • Submarine cables laid under water are often eroded by marine organisms such as ship locusts, destroying the sheath of the cable.
  • Conventional cables use copper to prevent the erosion of ship locusts.
  • Ordinary copper belts are less resistant to seawater corrosion than brass. Copper alloy material, brass has higher mechanical strength and stronger corrosion resistance than ordinary copper.
  • Ordinary submarine cables are sheathed with single-layer steel wire.
  • the cables are suitable for laying in shallow water areas. They are not suitable for deep-water areas, fishing grounds that are easy to anchor, and areas such as reefs with complex seabed conditions.
  • the invention adopts high-strength, double-layer steel wire armor and has higher mechanical strength, and is suitable for a fishery field in a deep water area, which is easy to anchor, and a rocky area with complicated sea bottom conditions.
  • the ordinary submarine cable adopts a fiber-wound inner cushion layer, seawater can penetrate the fiber layer, and the seawater directly contacts the phase separation sheath.
  • the present invention adopts an extruded inner sheath, and the seawater is not directly in contact with the inner layer split sheath. It avoids the direct erosion of seawater by the seawater layer and reduces the penetration of water and gas.
  • Ordinary submarine cable outer sheath adopts fiber outer layer, which can only perform simple mechanical protection on steel wire, can not prevent seawater from penetrating, and easily corrode steel wire in corrosive waters; the invention adopts extrusion type high density
  • the outer sheath of polyethylene prevents the seawater from directly contacting the armored steel wire, reduces the corrosion of the galvanized steel wire by seawater, maximizes the protection of the armored steel wire, and improves the service life of the cable.
  • Figure 1 is a schematic view of the structure of the present invention.
  • a cross-linked polyethylene insulated brass insect-proof belt double-steel armored fiber-optic composite environmentally-friendly submarine cable includes a water blocking conductor layer 1, a conductor shielding layer 2, an insulating layer 3, an insulating shielding layer 4, and a semiconductive resistance.
  • a conductor shielding layer 2 is disposed outside the water blocking conductor layer 1, an insulating layer 3 is disposed outside the conductor shielding layer 2, an insulating shielding layer 4 is disposed outside the insulating layer 3, and a semiconductive water is disposed outside the insulating shielding layer 4.
  • Layer 5 a metal sheath layer 6 is arranged outside the semi-conductive water layer 5, a semi-conductive water strip 7 is arranged outside the metal sleeve 6, and a phase-separating sheath layer 8 is arranged outside the semi-conductive water strip 7;
  • a filling layer 10 is disposed outside the phase separation sheath layer 8;
  • a light unit 9 is disposed in the filling layer 10, and the light unit 9 is a reinforced stainless steel tube fiber unit;
  • a tape layer 11 is disposed outside the filling layer 10
  • an outer sheath 12 is disposed outside the tape layer 11
  • an insect-resistant copper tape 13 is disposed outside the extruded inner sheath 12.
  • An inner layer of steel wire 14 is disposed outside the insect-proof copper strip 13
  • an inner layer 15 is disposed outside the inner layer of the steel wire 14
  • an outer layer of steel wire 16 is disposed outside the inner layer of the inner layer 15, and an outer layer of the outer layer of the outer layer of the outer layer of the outer layer of the outer layer of the outer layer of the outer layer of the outer layer of the outer layer of the outer layer of the outer layer of the outer layer of the outer layer of the outer layer of the outer layer of the outer layer of the outer layer of the outer layer of the outer layer of the outer layer of the outer layer of the outer layer of the outer layer of the outer layer of the outer layer of the outer layer of the outer layer of the outer layer of the outer layer of the outer layer of the outer layer of the outer layer
  • the metal sheath layer 6 is a copper tape shielding layer.
  • the water blocking conductor layer 1 is made of a copper wire and a water blocking structure.
  • the light unit 9 is provided with 1 to 3 sets, and each set of light units 9 includes fibers 1 to 36 cores.

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  • Insulated Conductors (AREA)
  • Communication Cables (AREA)

Abstract

一种环保型防海虫双钢丝铠装光纤复合海底电缆，是一种具有海底电缆和海底光缆功能的复合型高压交流海底电缆，用于实现电力传输和光纤信号的传输。该海底电缆包括阻水导体层（1）、导体屏蔽层（2）、绝缘层（3）、绝缘屏蔽层（4）、半导电阻水层（5）、金属套层（6）、半导电阻水带（7）、分相护套层（8）、光单元（9）、填充层（10）、包带层（11）、挤出型内护套（12）、防虫铜带（13）、内层钢丝（14）、纤维垫层（15）、外层钢丝（16）和挤出型外护层（17）；分相护套层（8）、内护套（12）、外护层（17）均采用挤出型护套；防虫铜带（13）采用机械性能优异，防腐蚀性能良好的黄铜等合金材料；铠装结构为双层钢丝铠装（14、16），在铠装层间添加纤维垫层（15）。该海底电缆能在潮湿环境下使用；不含铅等重金属，环境友好。

Description

环保型防海虫双钢丝铠装光纤复合海底电缆 技术领域
本专利涉及交流电缆技术领域，具体涉及一种环保型防海虫双钢丝铠装光纤复合海底电缆。
背景技术
我国社会经济的持续发展和能源传输的需要，采用传统的架空线跨越输电一方面影响美观，破环生态环境，产生电磁污染，另一方面容易受到大风，冰雪，酸雨等恶劣天气影响，采用敷设在水底的海底电缆完全能够解决这个问题。
“海洋开发技术”被列为国家“十大”战略性新兴产业；我国海岛开发、沿海建设将迎来新的发展机遇；我国陆地石油资源日趋枯竭，海洋石油、天然气开发将是未来能源发展的重点；海上风电场建设，海岛太阳能等清洁能源是国家能源战略的重点。大量的能源开采需要电力以及电力通讯，海上清洁能源的传输都也将大量采用海底电缆。
由于海洋工程属于特殊行业，海底电缆应用的海况、施工等环境条件不尽相同，国际大电网协会也只是给出一些推荐性的试验方法，国际上也没有专门的海底电缆的专门标准，为了满足某些特殊的敷设环境，满足海域存在酸性环境、深水敷设、易抛锚区，海底存在礁石，防船蛀虫侵蚀等的需要，开发一种不含重金属，符合环保要求，电缆绝缘能够工作在潮湿环境，具有优异的防船蛀虫，能够使用在深水区域等多种复杂恶劣的环境要求的无海水浸透的挤出型内外护层的一种交联聚乙烯绝缘黄铜防虫带双钢丝铠装光纤复合环保型海底电缆显得特别重要。该类海底的光纤复合电缆在国内鲜有。
发明内容
发明目的：本发明提供了一种环保型防海虫双钢丝铠装光纤复合海底电缆，实现海底电力传输和光纤信号的传输，可有效满足江河湖海穿越、海洋油气开采、海底资源勘探、海上风电与潮汐发电，海岛开发等海洋开发领域电力和信息传输的迫切需要。
技术方案：一种环保型防海虫双钢丝铠装光纤复合海底电缆，包括阻水导体层、导体屏蔽层、绝缘层、绝缘屏蔽层、半导电阻水层、金属套层、半导电阻水带、分相护套层、光单元、填充层、包带层、挤出型内护套、防虫铜带、内层钢丝、纤维垫层、外层钢丝和挤出型外护层；
在阻水导体层外设置有导体屏蔽层，在导体屏蔽层外设置有绝缘层，在绝缘层外设置有绝缘屏蔽层，在绝缘屏蔽层外设置有半导电阻水层，在半导电阻水层外设置有金属套层，在金属套层外设置半导电阻水带，在半导电阻水带外设置有分相护套层；
在分相护套层外设置有填充层；
在填充层中设置有光单元，光单元为增强型不锈钢管光纤单元；
在填充层外设置有包带层，包带层外设置挤出型内护套，在挤出型内护套外设置防虫铜带；
防虫铜带外设置内层钢丝，在内层钢丝外设置内垫层，在内垫层外设置外层钢丝，在外层钢丝外设置挤出型外护层。
所述金属套层为铜带屏蔽层。
所述阻水导体层采用铜线和阻水填充结构。
所述光单元设置有1～3组，每组光单元含光纤1～36芯。
有益效果：本发明实现海底电力传输和光纤信号的传输，可有效满足江河湖海穿越、海洋油气开 采、海底资源勘探、海上风电与潮汐发电，海岛开发等海洋开发领域电力和信息传输的迫切需要，是一种不含重金属，符合环保要求；电缆绝缘能够工作在水下环境，具有优异的防船蛀虫，适用在深水区域，满足复杂恶劣的环境要求的无海水浸透的挤出型内外护层的海底光纤复合电力电缆，本发明主要特点：
1)常规国内海底电缆防水性能，采用铅做护套，铅是重金属，对环境，水、土产生严重的污染，铅是一种多亲和性毒物，进入机体后对机体多系统产生不利影响，并且在临床水平已使机体产生多种生理变化，最主要是影响孩子的智力发育及生长发育。铅中毒被视为当今儿童智能发育的“第一杀手”，本发明采用高防水型高密度聚乙烯材料，取代铅套作为分相护层，具有优良的防水性能和环保性能。
2)敷设在水下的海底电缆常常受到海洋生物如船蛀虫的侵蚀，破坏电缆的护层，常规的电缆采用紫铜带来阻止船蛀虫的侵蚀，普通的紫铜带防海水腐蚀性能不如黄铜类铜合金材料，相比普通的紫铜而言，黄铜具有更高的机械强度和更强的防腐性能。
3)普通的海底电缆采用单层钢丝铠装，电缆适合敷设在浅水区域，不适合在深水区域、容易抛锚的渔场，在海底状况复杂的礁石等区域。本发明采用高强度，双层钢丝铠装，具有更高的机械强度，适合在深水区域、容易抛锚的渔场，在海底状况复杂的礁石等区域。
4)普通的海底电缆采用纤维缠绕内垫层，海水可以浸透纤维层，海水直接与分相护层接触,本发明采用挤出型内护套，海水不直接与内层分相护套接触，避免了海水直接对分相护层的侵蚀，减少水气的渗透。
5)普通的海底电缆外护层采用纤维外被层，只能对钢丝进行简单的机械保护，不能阻止海水的浸透，在腐蚀强烈的水域，容易将钢丝腐蚀；本发明采用挤出型高密度聚乙烯外护层，防止海水直接与铠装钢丝接触，降低海水对镀锌钢丝的腐蚀，最大限度的保护铠装钢丝，提高电缆使用寿命。
附图说明
以下将结合附图对发明作进一步说明：
图1是本发明的结构示意图。
具体实施方式
参照附图1，一种交联聚乙烯绝缘黄铜防虫带双钢丝铠装光纤复合环保海底电缆，包括阻水导体层1、导体屏蔽层2、绝缘层3、绝缘屏蔽层4、半导电阻水层5、金属套层6、半导电阻水带7、分相护套层8、光单元9、填充层10、包带层11、挤出型内护套12、防虫铜带13、内层钢丝14、纤维垫层15、外层钢丝16和挤出型外护层17。
在阻水导体层1外设置有导体屏蔽层2，在导体屏蔽层2外设置有绝缘层3，在绝缘层3外设置有绝缘屏蔽层4，在绝缘屏蔽层4外设置有半导电阻水层5，在半导电阻水层5外设置有金属套层6，在金属套层6外设置半导电阻水带7，在半导电阻水带7外设置有分相护套层8；
在分相护套层8外设置有填充层10；
在填充层10中设置有光单元9，光单元9为增强型不锈钢管光纤单元；
在填充层10外设置有包带层11，包带层11外设置挤出型内护套12，在挤出型内护套12外设置防虫铜带13；
防虫铜带13外设置内层钢丝14，在内层钢丝14外设置内垫层15，在内垫层15外设置外层钢丝16，在外层钢丝16外设置挤出型外护层17。
所述金属套层6为铜带屏蔽层。
所述阻水导体层1采用铜线和阻水填充结构。
所述光单元9设置有1～3组，每组光单元9含光纤1～36芯。
对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也应视为本发明的保护范围。

Claims (4)

  1. 一种环保型防海虫双钢丝铠装光纤复合海底电缆，其特征在于：包括阻水导体层(1)、导体屏蔽层(2)、绝缘层(3)、绝缘屏蔽层(4)、半导电阻水层(5)、金属套层(6)、半导电阻水带(7)、分相护套层(8)、光单元(9)、填充层(10)、包带层(11)、挤出型内护套(12)、防虫铜带(13)、内层钢丝(14)、纤维垫层(15)、外层钢丝(16)和挤出型外护层(17)；
    在阻水导体层(1)外设置有导体屏蔽层(2)，在导体屏蔽层(2)外设置有绝缘层(3)，在绝缘层(3)外设置有绝缘屏蔽层(4)，在绝缘屏蔽层(4)外设置有半导电阻水层(5)，在半导电阻水层(5)外设置有金属套层(6)，在金属套层(6)外设置半导电阻水带(7)，在半导电阻水带(7)外设置有分相护套层(8)；
    在分相护套层(8)外设置有填充层(10)；
    在填充层(10)中设置有光单元(9)，光单元(9)为增强型不锈钢管光纤单元；
    在填充层(10)外设置有包带层(11)，包带层(11)外设置挤出型内护套(12)，在挤出型内护套(12)外设置防虫铜带(13)；
    防虫铜带(13)外设置内层钢丝(14)，在内层钢丝(14)外设置内垫层(15)，在内垫层(15)外设置外层钢丝(16)，在外层钢丝(16)外设置挤出型外护层(17)。
  2. 根据权利要求1所述的环保型防海虫双钢丝铠装光纤复合海底电缆，其特征在于：所述金属套层(6)为铜带屏蔽层。
  3. 根据权利要求1所述的环保型防海虫双钢丝铠装光纤复合海底电缆，其特征在于：所述阻水导体层(1)采用铜线和阻水填充结构。
  4. 根据权利要求1所述的环保型防海虫双钢丝铠装光纤复合海底电缆，其特征在于：所述光单元(9)设置有1～3组，每组光单元(9)含光纤1～36芯。
PCT/CN2015/083574 2014-07-16 2015-07-08 环保型防海虫双钢丝铠装光纤复合海底电缆 WO2016008377A1 (zh)

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CN107492411A (zh) * 2017-08-07 2017-12-19 山东希尔电缆有限公司 Wmf高耐磨承荷探测电缆
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CN107359003A (zh) * 2017-08-07 2017-11-17 山东希尔电缆有限公司 Wmf高强度高韧性边测边调承荷探测电缆
CN107492411A (zh) * 2017-08-07 2017-12-19 山东希尔电缆有限公司 Wmf高耐磨承荷探测电缆
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CN107731360A (zh) * 2017-11-22 2018-02-23 山东希尔电缆有限公司 Wmf预置式分层配注、配产专用密封承荷探测电缆
CN107731360B (zh) * 2017-11-22 2023-10-27 山东希尔电缆有限公司 Wmf预置式分层配注、配产专用密封承荷探测电缆
CN111210940A (zh) * 2020-02-26 2020-05-29 北京凯道建设工程有限公司 智能传感电缆
CN113488243A (zh) * 2021-06-04 2021-10-08 安徽凌宇电缆科技有限公司 一种抗压、防水、耐腐蚀海底电缆
CN113488243B (zh) * 2021-06-04 2022-04-22 安徽凌宇电缆科技有限公司 一种海底电缆
WO2024012105A1 (zh) * 2022-07-13 2024-01-18 江苏华能电缆股份有限公司 一种承荷探测光/电缆

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