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WO2019080498A1 - Adjustable floating photoelectric hybrid cable for marine detection - Google Patents

Adjustable floating photoelectric hybrid cable for marine detection

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Publication number
WO2019080498A1
WO2019080498A1 PCT/CN2018/089110 CN2018089110W WO2019080498A1 WO 2019080498 A1 WO2019080498 A1 WO 2019080498A1 CN 2018089110 W CN2018089110 W CN 2018089110W WO 2019080498 A1 WO2019080498 A1 WO 2019080498A1
Authority
WO
WIPO (PCT)
Prior art keywords
cable
unit
photoelectric hybrid
density polyethylene
adjustable floating
Prior art date
Application number
PCT/CN2018/089110
Other languages
French (fr)
Chinese (zh)
Inventor
陈波瀚
刘永青
刘焱鑫
刘秋生
Original Assignee
江苏中利集团股份有限公司
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 江苏中利集团股份有限公司 filed Critical 江苏中利集团股份有限公司
Publication of WO2019080498A1 publication Critical patent/WO2019080498A1/en

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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
    • H01B7/12—Floating 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
    • H01B7/18—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
    • H01B7/28—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
    • H01B7/285—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable by completely or partially filling interstices in the cable
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B9/00—Power cables
    • H01B9/005—Power cables including optical transmission elements

Definitions

  • the invention relates to an opto-electric hybrid cable, in particular to an adjustable floating photoelectric hybrid cable for marine detection.
  • the cable or cable needs to pass through the water area when it is laid. Because its specific gravity is greater than 1, the cable or cable is sunk into the bottom when laying. However, the terrain of the bottom of the water is complicated and the environment is not bad, which not only causes the cable or the optical cable to be easily faulty and difficult to repair, but also increases the laying length of the cable or the optical cable. In the case where the water channel is not affected, there is a need for a cable or fiber cable that can float on the water surface, which can meet the functional requirements of the user, such as the floatable photoelectric hybrid cable disclosed in the patent document CN206098038U.
  • floating methods is also required to transmit optical signals and provide power supply cables for marine sounding instruments that detect geological features, hydrometeorological conditions, and submarine energy distribution in different sea areas.
  • the object of the invention is an adjustable floating opto-electric hybrid cable suitable for marine detection.
  • the utility model relates to an adjustable floating photoelectric hybrid cable for marine detection, which is composed of a cable core, a water blocking tape, an inner sheath, a physical foaming sheath and an outer sheath from the inside to the outside.
  • the cable core includes a cable unit and a power cable unit, the cable unit is directly centered, and the power cable unit is twisted around the cable unit, and a filler bar is disposed between the power cable unit and the power cable unit.
  • a water-blocking aramid yarn is disposed between the core gap and the core.
  • the fiber optic cable unit has six optical fibers, and the optical fiber is composed of a plurality of bending loss insensitive single-mode coated optical fibers.
  • the optical fibers are filled with a fiber ointment, and the optical fiber is externally wrapped with a stainless steel metal loose tube.
  • the outer sleeve of the loose tube is extruded with a squeeze layer, and the outer sleeve material of the loose sleeve is low density polyethylene.
  • the power line of the power line unit is formed by a type II stranded conductor, and the conductor has an insulating layer outside.
  • a water blocking yarn is placed between the conductors of the power line unit.
  • the inner sheath material is a low density polyethylene.
  • the foaming gas of the physical foaming sheath is made of high-purity nitrogen, the foaming material is low-density polyethylene, nucleating agent and high-density polyethylene, and the foaming layer is formed by low-density polyethylene and a nucleating agent, and the outer skin is used. High-density polyethylene.
  • the outer sheath material is black linear low density polyethylene.
  • the fiber in the cable unit of the invention adopts G.657.A2, which is a bending loss insensitive fiber, which has good bending resistance, high transmission rate and small transmission attenuation.
  • the fiber can be compatible with G.652 series fiber.
  • the utility model can effectively broaden the use range of the optical fiber; the loose tube is filled with a special optical fiber paste, and the grease does not affect the transmission performance of the optical fiber, and the grease has good water blocking performance and can effectively prevent moisture Immersion affects the attenuation of the fiber; the cable unit uses a metal stainless steel loose tube, which has good corrosion resistance, good sealing, high tensile strength, strong lateral pressure resistance, etc.
  • the inner layer of the cable unit is made of low-density polyethylene.
  • the material is extruded by extrusion and can be tightly wrapped around the loose tube to avoid moisture ingress. It has good mechanical properties and side pressure resistance, and because of the low density of the material, it can effectively reduce the weight of the floating optical cable.
  • the power line conductor adopts the second-class annealed bare copper stranded conductor, which is stranded in a 1+6 regular manner.
  • the conductor gap fills the water-blocking yarn.
  • the stranded conductor can play a good water-blocking effect, avoiding the seawater along the longitudinal direction of the conductor gap.
  • the insulating material is cross-linked polyethylene (XLPE), which is extruded on the surface of the conductor by extrusion to make the material more tightly wrapped. At the same time, the molecules of the material are cross-linked inside each other, which has better resistance to electric tree branches and water branches, and has a longer service life.
  • the insulated core identification is distinguished by the red and blue colors plus the digital form. It is convenient to supply the different color-coded cores to the different colors of the optical fibers when connecting.
  • the cable core adopts 1+7 twisted synthetic cable, the core gap and the periphery are tightly filled with water-blocking aramid yarn, and the water-blocking tape is wrapped around the bag.
  • the water-blocking aramid yarn is not only light in weight, but also has a high Young's modulus and water-blocking effect. This structure can ensure that the entire cable core has a good water-blocking effect and meets the waterproof requirements of the entire core of the cable core used in seawater;
  • the water-repellent aramid yarn is used as a reinforcing member, and the hybrid cable has better bending performance and stronger external force resistance, and can be used for complex marine landform laying and resisting complex marine external forces.
  • the inner sheath is extruded by extrusion, and the material is made of low density polyethylene.
  • the extrusion method can make the inner sheath tightly wrapped on the cable core, and the low-density polyethylene also has good water blocking performance, and can effectively prevent moisture from penetrating; at the same time, the inner sheath material has a small density, which is also beneficial for lightening.
  • the self-weight of the floating optical cable is convenient for suspension in a certain depth of the ocean.
  • the foaming sheath adopts a physical foaming process, and the foamed layer is blended with a low-density polyethylene material and a small amount of a nucleating agent in an appropriate ratio, and the mixture is filled with high-purity nitrogen to form a closed-cell structure foam polyethylene foam.
  • the layer can effectively prevent the infiltration of seawater, and the outer skin is made of high-density polyethylene material, which has good mechanical protection for the foam layer structure.
  • the floating optical cable has higher requirements on the extrusion process. It requires not only the closed-cell structure of the foamed layer, but also the uniform and uniform pores, and the extrusion appearance must be rounded, and the positive and negative outer diameter fluctuations should not exceed 1 mm. .
  • the foam sheath has strict requirements on hardness and density.
  • the high hardness requirement is for the subsequent installation of “flying birds” (a kind of counterweight installed at an appropriate distance on the whole floating optical cable, which can be different according to different In the sea area and in different sea layers, the weight of the "flying bird” is appropriately adjusted to control the floating state of the floating optical cable.
  • the high requirement for the density of the foaming sheath is achieved by adjusting the degree of foaming, so that the floating optical cable is controlled by its own weight. Within a certain range.
  • the outer sheath of the floating optical cable is made of black linear low-density polyethylene sheathing material, which has the characteristics of low density, strong ultraviolet resistance, aging resistance, high tensile strength, waterproofing and certain seawater corrosion resistance. It not only protects the floating optical cable from certain mechanical damage, but also ensures a long service life when working at sea.
  • Figure 1 is a schematic illustration of the invention.
  • the adjustable floating photoelectric hybrid cable for marine detection of the present invention is a cable for twisting the armored light unit and the water blocking conductor power line unit, and then extruding a layer of the control core floating state outside the core.
  • the closed-cell structure is physically foamed and floated, and a layer of linear low-density aging-resistant and corrosion-resistant outer sheath is extruded outside the foamed layer. It is ideal for the detection of geological features, hydrometeorological conditions, and submarine energy distribution of oceanographic instruments that transmit optical signals and provide power supply cables. specifically:
  • the adjustable floating photoelectric hybrid cable for marine detection of the present invention is a cable core, a water blocking tape 9, an inner sheath 10, a physical foaming sheath 11 and an outer sheath 12 from the inside to the outside.
  • the cable core is composed of a cable unit, a power line unit, a filling strip 1, a water blocking aramid reinforcing core (ie, a water blocking aramid yarn 8) and a water blocking tape 9.
  • the center of the optical unit cable core is placed vertically, six power line units are alternately placed, and one filling strip 1 is twisted around the cable unit, and an appropriate number of water-resistant aramid yarns 8 are placed outside the core gap and the core, and the core is wound around the core.
  • the bag is blocked by water.
  • the cable unit fiber is composed of 6 G.657.A2 bending loss insensitive single-mode coated fibers 4, the fiber 4 is filled with a special fiber paste 5, and the fiber 4 is made of stainless steel metal loose tube 6 armor.
  • the outer sleeve 6 ie, the extrusion layer 7 is extruded into a low density polyethylene (LDPE) or other suitable extrusion material.
  • LDPE low density polyethylene
  • Power cord unit The power cord is composed of 10mm 2 type 2 stranded conductor 2, water blocking yarn is placed between the conductors 2, and the conductor 2 is stranded and extruded by cross-linked polyethylene (XLPE) insulation (forming the insulating layer 3) to form a power source.
  • Line unit The color of the power cable is red and blue, and the number of the power cable is printed on the surface to distinguish the fiber.
  • the inner sheath 10 is extruded by extrusion on the outside of the core, and the extruded material is low density polyethylene (LDPE), and may also be other suitable extrusion materials.
  • LDPE low density polyethylene
  • Physical foaming sheath 11 a layer of physical foaming sheath 11 is uniformly extruded outside the inner sheath 10, the foaming gas is made of high-purity nitrogen, and the foaming material is low-density polyethylene, nucleating agent and high-density polyethylene. .
  • the foaming sheath 11 adopts a foam-sheath structure, that is, the foamed layer is made of low-density polyethylene and a nucleating agent, and the outer skin is made of high-density polyethylene.
  • Outer Sheath 12 The outer sheath 12 is extruded by a layer of black linear low density polyethylene sheathing material (LLDPE) or other suitable sheathing material.
  • LLDPE linear low density polyethylene sheathing material

Landscapes

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

Abstract

Disclosed in the present invention is an adjustable floating photoelectric hybrid cable for marine detection. The adjustable floating photoelectric hybrid cable sequentially comprises a cable core, a water-blocking wrapping tape, an inner sheath, a physical foamed protective layer and an outer sheath from inside to outside, wherein the cable core comprises an optical cable unit and a power line unit, the optical cable unit is directly placed in the center, the power line unit surrounds the optical cable unit and is stranded into the cable, and water-blocking aramid yarns are arranged in the clearance in the cable core and outside the cable core; an optical fiber of the optical cable unit is composed of a plurality of bent loss-insensitive single-mode coated optical fibers, optical fiber grease is filled between the optical fibers, a stainless steel metal loose armored sleeve is utilized outside the optical fiber, and an extrusion layer is extruded outside the loose sleeve; and a power line of the power line unit is composed of a second-type stranded conductor, and an insulating layer is arranged outside the conductor.

Description

一种海洋探测用可调式漂浮光电混合缆Adjustable floating photoelectric hybrid cable for marine detection 技术领域Technical field
本发明涉及一种光电混合缆，具体是一种海洋探测用可调式漂浮光电混合缆。The invention relates to an opto-electric hybrid cable, in particular to an adjustable floating photoelectric hybrid cable for marine detection.
背景技术Background technique
随着生产力的发展和对海洋研究的深入化，自20世纪七十年代以来，海洋科学已发展到了开始对海洋的开发利用阶段，人类现在正在利用海洋这一巨大资源宝库。对海洋的开发自然少不了电缆的使用，电能输送、信号传输都需要用电缆或者光缆来完成。With the development of productivity and the deepening of marine research, since the 1970s, marine science has developed to the stage of development and utilization of the ocean. Human beings are now using the huge treasure house of the ocean. The development of the ocean is indispensable for the use of cables. Power transmission and signal transmission are required to be completed by cables or optical cables.
在电缆的使用过程中，电缆或者光缆在敷设时需要经过水域，由于其比重大于l，因此在敷设时电缆或者光缆均被沉入水底。然而水底的地形复杂、环境恶劣，不仅会导致电缆或者光缆容易出现故障、难以维修，而目会增加电缆或者光缆的敷设长度。在存不影响航道的情况之下，人们需要一种可以漂浮在水面上的电缆或者光缆，能够允分满足用户的功能需求，如专利文献CN206098038U公开的可漂浮光电混合缆。During the use of the cable, the cable or cable needs to pass through the water area when it is laid. Because its specific gravity is greater than 1, the cable or cable is sunk into the bottom when laying. However, the terrain of the bottom of the water is complicated and the environment is not bad, which not only causes the cable or the optical cable to be easily faulty and difficult to repair, but also increases the laying length of the cable or the optical cable. In the case where the water channel is not affected, there is a need for a cable or fiber cable that can float on the water surface, which can meet the functional requirements of the user, such as the floatable photoelectric hybrid cable disclosed in the patent document CN206098038U.
另外，为探测不同海域地质地貌、水文气象条件、海底能源分布的海洋探测仪器传输光信号和提供电力供应用电缆也需要采用漂浮方式。In addition, the use of floating methods is also required to transmit optical signals and provide power supply cables for marine sounding instruments that detect geological features, hydrometeorological conditions, and submarine energy distribution in different sea areas.
发明内容Summary of the invention
本发明的目的是一种适于海洋探测用的可调式漂浮光电混合缆。The object of the invention is an adjustable floating opto-electric hybrid cable suitable for marine detection.
为了达到上述技术目的，本发明的技术方案是：In order to achieve the above technical purpose, the technical solution of the present invention is:
一种海洋探测用可调式漂浮光电混合缆，其由内向外依次为缆芯、阻水包带、内护套、物理发泡护层、外护套。The utility model relates to an adjustable floating photoelectric hybrid cable for marine detection, which is composed of a cable core, a water blocking tape, an inner sheath, a physical foaming sheath and an outer sheath from the inside to the outside.
所述缆芯包括光缆单元和电源线单元，所述光缆单元中心直放，所述电源线单元围绕光缆单元绞合成缆，所述光缆单元外，电源线单元之间设置有填充条，所述缆芯隙间及缆芯外设置有阻水芳纶纱。The cable core includes a cable unit and a power cable unit, the cable unit is directly centered, and the power cable unit is twisted around the cable unit, and a filler bar is disposed between the power cable unit and the power cable unit. A water-blocking aramid yarn is disposed between the core gap and the core.
所述光缆单元的光纤为6根，光纤是由多根弯曲损耗不敏感单模涂覆 光纤构成，所述光纤间填充有光纤油膏，所述光纤外采用不锈钢金属松套管铠装，所述松套管外挤包有挤包层，所述松套管外挤包层材料为低密度聚乙烯。The fiber optic cable unit has six optical fibers, and the optical fiber is composed of a plurality of bending loss insensitive single-mode coated optical fibers. The optical fibers are filled with a fiber ointment, and the optical fiber is externally wrapped with a stainless steel metal loose tube. The outer sleeve of the loose tube is extruded with a squeeze layer, and the outer sleeve material of the loose sleeve is low density polyethylene.
所述电源线单元的电源线采用二类绞合导体构成，所述导体外具有绝缘层。所述电源线单元的导体间放置有阻水纱。The power line of the power line unit is formed by a type II stranded conductor, and the conductor has an insulating layer outside. A water blocking yarn is placed between the conductors of the power line unit.
作为优选，所述内护套材料为低密度聚乙烯。所述物理发泡护层的发泡气体采用高纯氮气，发泡材料为低密度聚乙烯、成核剂和高密度聚乙烯，发泡层采用低密度聚乙烯和成核剂形成，外皮采用高密度聚乙烯。所述外护套材料为黑色线性低密度聚乙烯。Preferably, the inner sheath material is a low density polyethylene. The foaming gas of the physical foaming sheath is made of high-purity nitrogen, the foaming material is low-density polyethylene, nucleating agent and high-density polyethylene, and the foaming layer is formed by low-density polyethylene and a nucleating agent, and the outer skin is used. High-density polyethylene. The outer sheath material is black linear low density polyethylene.
本发明光缆单元中光纤采用G.657.A2属于弯曲损耗不敏感光纤，该光纤具有良好的耐弯曲性能、传输速率高、传输衰减小等特性，同时，该光纤可以和G.652系列光纤兼容，可以有效拓宽光纤的使用范围；松套管中采用专用的光纤油膏填充，该油膏不会对光纤的传输性能造成影响，同时该油膏具有良好的阻水性能，可以有效的防止水分浸入对光纤的衰减等性能造成影响；光缆单元采用金属不锈钢松套管，该松套管具有良好的耐腐蚀性能、密封性好、抗张强度高、抗侧压能力强等特点，可以为光纤在深海中工作提供良好的机械保护作用；光缆单元内衬层采用低密度聚乙烯材料，该材料采用挤压工艺挤出，可以紧密的包裹在松套管上，避免水分的浸入，该材料也具有良好的机械性能和抗侧压性能，同时由于该材料密度小，可以有效的减轻漂浮光电缆的自重。The fiber in the cable unit of the invention adopts G.657.A2, which is a bending loss insensitive fiber, which has good bending resistance, high transmission rate and small transmission attenuation. At the same time, the fiber can be compatible with G.652 series fiber. The utility model can effectively broaden the use range of the optical fiber; the loose tube is filled with a special optical fiber paste, and the grease does not affect the transmission performance of the optical fiber, and the grease has good water blocking performance and can effectively prevent moisture Immersion affects the attenuation of the fiber; the cable unit uses a metal stainless steel loose tube, which has good corrosion resistance, good sealing, high tensile strength, strong lateral pressure resistance, etc. Working in the deep sea provides good mechanical protection; the inner layer of the cable unit is made of low-density polyethylene. The material is extruded by extrusion and can be tightly wrapped around the loose tube to avoid moisture ingress. It has good mechanical properties and side pressure resistance, and because of the low density of the material, it can effectively reduce the weight of the floating optical cable.
电源线导体采用二类退火裸铜绞合导体，采用1+6正规方式绞合，导体间隙填充阻水纱，绞合后导体可以起到很好的阻水作用，避免海水沿着导体间隙纵向延伸。绝缘材料为交联聚乙烯(XLPE)，采用挤压方式挤包在导体表面，可以使材料包裹的更加紧密。同时，该材料分子内部相互交联，具有更好的耐电树枝和水树枝老化性能，使用寿命更长。绝缘线芯识别采用红、蓝颜色加数字形式进行区分，便于接续时将不同颜色不同编码的线芯分别对应不同颜色的光纤进行供电。The power line conductor adopts the second-class annealed bare copper stranded conductor, which is stranded in a 1+6 regular manner. The conductor gap fills the water-blocking yarn. The stranded conductor can play a good water-blocking effect, avoiding the seawater along the longitudinal direction of the conductor gap. extend. The insulating material is cross-linked polyethylene (XLPE), which is extruded on the surface of the conductor by extrusion to make the material more tightly wrapped. At the same time, the molecules of the material are cross-linked inside each other, which has better resistance to electric tree branches and water branches, and has a longer service life. The insulated core identification is distinguished by the red and blue colors plus the digital form. It is convenient to supply the different color-coded cores to the different colors of the optical fibers when connecting.
缆芯采用1+7绞合成缆，缆芯间隙及外围紧密填充阻水芳纶纱，并绕包阻水包带。阻水芳纶纱不仅重量轻，杨氏模量高，也具有阻水作用，该结构 可以保证整个缆芯具有很好的阻水效果，满足缆芯整截面在海水中使用的防水要求；同时，采用阻水芳纶纱作为加强件，混合缆弯曲性能更好，抗外力能力更强，可用于复杂的海洋地貌敷设及抵抗复杂海洋外力的作用。The cable core adopts 1+7 twisted synthetic cable, the core gap and the periphery are tightly filled with water-blocking aramid yarn, and the water-blocking tape is wrapped around the bag. The water-blocking aramid yarn is not only light in weight, but also has a high Young's modulus and water-blocking effect. This structure can ensure that the entire cable core has a good water-blocking effect and meets the waterproof requirements of the entire core of the cable core used in seawater; The water-repellent aramid yarn is used as a reinforcing member, and the hybrid cable has better bending performance and stronger external force resistance, and can be used for complex marine landform laying and resisting complex marine external forces.
内护套采用挤压方式挤出，材料选用低密度聚乙烯。该挤出方式可以使内护套紧密的包裹在缆芯上，低密度聚乙烯也具有良好的阻水性能，可以有效的防止水分渗入；同时，内护套材料密度较小，也有利于减轻漂浮光电缆的自重，便于在一定海洋深度中悬浮使用。The inner sheath is extruded by extrusion, and the material is made of low density polyethylene. The extrusion method can make the inner sheath tightly wrapped on the cable core, and the low-density polyethylene also has good water blocking performance, and can effectively prevent moisture from penetrating; at the same time, the inner sheath material has a small density, which is also beneficial for lightening. The self-weight of the floating optical cable is convenient for suspension in a certain depth of the ocean.
发泡护层采用物理发泡工艺，发泡层由低密度聚乙烯材料和少量成核剂按照适当比例掺合而成，混合料中充入高纯氮气，构成闭孔结构泡沫聚乙烯发泡层，可以有效的防止海水的渗入，外皮采用高密度聚乙烯材料，对发泡层结构具有良好的机械保护作用。漂浮光电缆对该挤出工艺的要求较高，不但要求发泡层泡孔为互不连通的闭孔结构、泡孔细密均匀，而且挤出外观必须圆整，外径正负波动不超过1mm。同时，发泡护层对硬度、密度都有很严格的要求，对于硬度的高要求是为了后续安装“飞鸟”(一种在整根漂浮光电缆上间隔适当距离安装的配重，可以根据不同海域，不同海层，适当调整“飞鸟”的重量，以控制漂浮光电缆的漂浮状态)使用；对于发泡护层密度的高要求是通过调整发泡度来实现的，使漂浮光电缆自重控制在一定的范围之内。The foaming sheath adopts a physical foaming process, and the foamed layer is blended with a low-density polyethylene material and a small amount of a nucleating agent in an appropriate ratio, and the mixture is filled with high-purity nitrogen to form a closed-cell structure foam polyethylene foam. The layer can effectively prevent the infiltration of seawater, and the outer skin is made of high-density polyethylene material, which has good mechanical protection for the foam layer structure. The floating optical cable has higher requirements on the extrusion process. It requires not only the closed-cell structure of the foamed layer, but also the uniform and uniform pores, and the extrusion appearance must be rounded, and the positive and negative outer diameter fluctuations should not exceed 1 mm. . At the same time, the foam sheath has strict requirements on hardness and density. The high hardness requirement is for the subsequent installation of “flying birds” (a kind of counterweight installed at an appropriate distance on the whole floating optical cable, which can be different according to different In the sea area and in different sea layers, the weight of the "flying bird" is appropriately adjusted to control the floating state of the floating optical cable. The high requirement for the density of the foaming sheath is achieved by adjusting the degree of foaming, so that the floating optical cable is controlled by its own weight. Within a certain range.
漂浮光电缆外护套采用黑色线性低密度聚乙烯护套料，该料具有密度小、抗紫外线能力强、耐老化、抗张强度高等特性，同时具有防水和一定的耐海水腐蚀的作用。不仅可以保护漂浮光电缆避免一定的机械损伤，还可以保证其在海上作业时具有较长的使用寿命。The outer sheath of the floating optical cable is made of black linear low-density polyethylene sheathing material, which has the characteristics of low density, strong ultraviolet resistance, aging resistance, high tensile strength, waterproofing and certain seawater corrosion resistance. It not only protects the floating optical cable from certain mechanical damage, but also ensures a long service life when working at sea.
附图说明DRAWINGS
图1为本发明的示意图。Figure 1 is a schematic illustration of the invention.
具体实施方式Detailed ways
下面结合附图和具体实施方式对本发明作进一步详细的说明。The present invention will be further described in detail below in conjunction with the drawings and specific embodiments.
如图1所示，本发明的海洋探测用可调式漂浮光电混合缆是将铠装光单元与阻水导体电源线单元绞合成缆，然后在缆芯外挤包一层控制缆芯漂浮状 态的闭孔结构物理发泡漂浮层，发泡层外挤包一层线性低密度耐老化、耐腐蚀外护套。其为探测不同海域地质地貌、水文气象条件、海底能源分布的海洋探测仪器传输光信号和提供电力供应用线缆的理想之选。具体地：As shown in FIG. 1 , the adjustable floating photoelectric hybrid cable for marine detection of the present invention is a cable for twisting the armored light unit and the water blocking conductor power line unit, and then extruding a layer of the control core floating state outside the core. The closed-cell structure is physically foamed and floated, and a layer of linear low-density aging-resistant and corrosion-resistant outer sheath is extruded outside the foamed layer. It is ideal for the detection of geological features, hydrometeorological conditions, and submarine energy distribution of oceanographic instruments that transmit optical signals and provide power supply cables. specifically:
本发明的海洋探测用可调式漂浮光电混合缆，其由内向外依次为缆芯、阻水包带9、内护套10、物理发泡护层11、外护套12。The adjustable floating photoelectric hybrid cable for marine detection of the present invention is a cable core, a water blocking tape 9, an inner sheath 10, a physical foaming sheath 11 and an outer sheath 12 from the inside to the outside.
缆芯：缆芯采用光缆单元、电源线单元、填充条1、阻水芳纶加强芯(即阻水芳纶纱8)及阻水包带9构成。光单元缆芯中心直放，六根电源线单元交替放置和一根填充条1围绕光缆单元绞合成缆，缆芯隙间及缆芯外放置适当数量的阻水芳纶纱8，缆芯外绕包阻水包带9。Cable core: The cable core is composed of a cable unit, a power line unit, a filling strip 1, a water blocking aramid reinforcing core (ie, a water blocking aramid yarn 8) and a water blocking tape 9. The center of the optical unit cable core is placed vertically, six power line units are alternately placed, and one filling strip 1 is twisted around the cable unit, and an appropriate number of water-resistant aramid yarns 8 are placed outside the core gap and the core, and the core is wound around the core. The bag is blocked by water.
光缆单元：光缆单元光纤是由6根G.657.A2弯曲损耗不敏感单模涂覆光纤4构成，光纤4间填充专用的光纤油膏5，光纤4外采用不锈钢金属松套管6铠装，松套管6外(即挤包层7)采用挤压方式挤包低密度聚乙烯(LDPE)或其它合适的挤包材料。Cable unit: The cable unit fiber is composed of 6 G.657.A2 bending loss insensitive single-mode coated fibers 4, the fiber 4 is filled with a special fiber paste 5, and the fiber 4 is made of stainless steel metal loose tube 6 armor. The outer sleeve 6 (ie, the extrusion layer 7) is extruded into a low density polyethylene (LDPE) or other suitable extrusion material.
电源线单元：电源线采用10mm 2二类绞合导体2构成，导体2间放置阻水纱，导体2绞合后经交联聚乙烯(XLPE)绝缘(形成绝缘层3)挤出，形成电源线单元。电源线颜色为红、蓝，电源线表面喷印数字加以区分，便于安装时对应不同颜色的光纤。 Power cord unit: The power cord is composed of 10mm 2 type 2 stranded conductor 2, water blocking yarn is placed between the conductors 2, and the conductor 2 is stranded and extruded by cross-linked polyethylene (XLPE) insulation (forming the insulating layer 3) to form a power source. Line unit. The color of the power cable is red and blue, and the number of the power cable is printed on the surface to distinguish the fiber.
内护套10：缆芯外采用挤压方式挤包一层内护套10，挤包材料为低密度聚乙烯(LDPE)，也可以是其它合适的挤包材料。Inner sheath 10: The inner sheath 10 is extruded by extrusion on the outside of the core, and the extruded material is low density polyethylene (LDPE), and may also be other suitable extrusion materials.
物理发泡护层11：内护套10外均匀的挤包一层物理发泡护层11，发泡气体采用高纯氮气，发泡材料为低密度聚乙烯、成核剂和高密度聚乙烯。发泡护层11采用泡—皮结构，即发泡层采用低密度聚乙烯和成核剂，外皮采用高密度聚乙烯。Physical foaming sheath 11: a layer of physical foaming sheath 11 is uniformly extruded outside the inner sheath 10, the foaming gas is made of high-purity nitrogen, and the foaming material is low-density polyethylene, nucleating agent and high-density polyethylene. . The foaming sheath 11 adopts a foam-sheath structure, that is, the foamed layer is made of low-density polyethylene and a nucleating agent, and the outer skin is made of high-density polyethylene.
外护套12：外护套12采用挤压方式的工艺，挤包一层黑色线性低密度聚乙烯护套料(LLDPE)，也可以挤包其它合适的护套材料。Outer Sheath 12: The outer sheath 12 is extruded by a layer of black linear low density polyethylene sheathing material (LLDPE) or other suitable sheathing material.
上述实施例不以任何方式限制本发明，凡是采用等同替换或等效变换的方式获得的技术方案均落在本发明的保护范围内。The above embodiments are not intended to limit the invention in any way, and all the technical solutions obtained by means of equivalent replacement or equivalent transformation fall within the protection scope of the present invention.

Claims (8)

  1. 一种海洋探测用可调式漂浮光电混合缆，其特征在于由内向外依次为缆芯、阻水包带、内护套、物理发泡护层、外护套，所述缆芯包括光缆单元和电源线单元，所述光缆单元中心直放，所述电源线单元围绕光缆单元绞合成缆，所述缆芯隙间及缆芯外设置有阻水芳纶纱；所述光缆单元的光纤是由多根弯曲损耗不敏感单模涂覆光纤构成，所述光纤间填充有光纤油膏，所述光纤外采用不锈钢金属松套管铠装，所述松套管外挤包有挤包层；所述电源线单元的电源线采用二类绞合导体构成，所述导体外具有绝缘层。An adjustable floating photoelectric hybrid cable for marine detection, characterized by a core, a water blocking tape, an inner sheath, a physical foaming sheath and an outer sheath from the inside to the outside, the cable core comprising a cable unit and a power cable unit, the cable unit is directly centered, the power cable unit is twisted around the cable unit, and the water-repellent aramid yarn is disposed outside the cable core and the core; the optical fiber of the cable unit is The plurality of bending loss-insensitive single-mode coated optical fibers are filled with the optical fiber paste, and the outer optical fiber is sheathed with a stainless steel metal loose tube, and the loose sleeve is extruded with a squeeze layer; The power cord of the power cord unit is constructed of a type II stranded conductor having an insulating layer outside.
  2. 根据权利要求1所述的一种海洋探测用可调式漂浮光电混合缆，其特征在于：所述内护套材料为低密度聚乙烯。The adjustable floating photoelectric hybrid cable for marine detection according to claim 1, wherein the inner sheath material is low density polyethylene.
  3. 根据权利要求1所述的一种海洋探测用可调式漂浮光电混合缆，其特征在于：所述物理发泡护层的发泡气体采用高纯氮气，发泡材料为低密度聚乙烯、成核剂和高密度聚乙烯，发泡层采用低密度聚乙烯和成核剂形成，外皮采用高密度聚乙烯。The adjustable floating photoelectric hybrid cable for marine detection according to claim 1, wherein the foaming gas of the physical foaming sheath is made of high-purity nitrogen, the foaming material is low-density polyethylene, and nucleation. Agent and high-density polyethylene, the foam layer is formed by low-density polyethylene and nucleating agent, and the outer skin is made of high-density polyethylene.
  4. 根据权利要求1所述的一种海洋探测用可调式漂浮光电混合缆，其特征在于：所述外护套材料为黑色线性低密度聚乙烯。The adjustable floating photoelectric hybrid cable for marine detection according to claim 1, wherein the outer sheath material is black linear low density polyethylene.
  5. 根据权利要求1所述的一种海洋探测用可调式漂浮光电混合缆，其特征在于：所述光缆单元的光纤为6根。The adjustable floating photoelectric hybrid cable for marine detection according to claim 1, wherein the optical cable unit has six optical fibers.
  6. 根据权利要求1所述的一种海洋探测用可调式漂浮光电混合缆，其特征在于：所述松套管外挤包层材料为低密度聚乙烯。The adjustable floating photoelectric hybrid cable for marine detection according to claim 1, wherein the loose sleeve outer extrusion material is low density polyethylene.
  7. 根据权利要求1所述的一种海洋探测用可调式漂浮光电混合缆，其特征在于：所述电源线单元的导体间放置有阻水纱。The adjustable floating photoelectric hybrid cable for marine detection according to claim 1, wherein a water blocking yarn is placed between the conductors of the power line unit.
  8. 根据权利要求7所述的一种海洋探测用可调式漂浮光电混合缆，其特征在于：所述光缆单元外，电源线单元之间设置有填充条。The adjustable floating photoelectric hybrid cable for marine detection according to claim 7, wherein a filler strip is disposed between the power line units outside the cable unit.
PCT/CN2018/089110 2017-10-25 2018-05-31 Adjustable floating photoelectric hybrid cable for marine detection WO2019080498A1 (en)

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