CN106094135A - High temperature resistant optical cable of resistance to irradiation and preparation method thereof - Google Patents

High temperature resistant optical cable of resistance to irradiation and preparation method thereof Download PDF

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Publication number
CN106094135A
CN106094135A CN201610653410.5A CN201610653410A CN106094135A CN 106094135 A CN106094135 A CN 106094135A CN 201610653410 A CN201610653410 A CN 201610653410A CN 106094135 A CN106094135 A CN 106094135A
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CN
China
Prior art keywords
resistance
high temperature
irradiation
coat
tetrafluoroethylene copolymer
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Pending
Application number
CN201610653410.5A
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Chinese (zh)
Inventor
樊群
何丽坚
马秋丽
王杏
李峰
赖洪林
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Nanjing Quanxin Cable Technology Co Ltd
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Nanjing Quanxin Cable Technology Co Ltd
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Priority to CN201610653410.5A priority Critical patent/CN106094135A/en
Publication of CN106094135A publication Critical patent/CN106094135A/en
Pending legal-status Critical Current

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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401—Optical cables
    • G02B6/4429—Means specially adapted for strengthening or protecting the cables
    • G02B6/4436—Heat resistant
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401—Optical cables
    • G02B6/4415—Cables for special applications
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401—Optical cables
    • G02B6/4429—Means specially adapted for strengthening or protecting the cables
    • G02B6/443—Protective covering
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4479—Manufacturing methods of optical cables

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)

Abstract

The present invention is high temperature resistant optical cable of resistance to irradiation and preparation method thereof, and structure includes fibre core, coat, cushion, enhancement Layer, sheath；Its preparation technology: fiber core is single mode, coat ultra-violet curing acrylate-coated；Coat external diameter is 245 μm, and coat makes tightly packaged fiber normal laying installation at 55 DEG C；Cushion high temperature extrusion machine bilayer extrudes high temperature ethylene tetrafluoroethylene copolymer；Enhancement Layer uses the aramid fibre braiding with high tensile performance, and sheath uses high temperature extrusion machine extrusion ethylene tetrafluoroethylene copolymer；Coat, cushion, the heatproof 60 DEG C～+150 DEG C of sheath.Advantage: high-low temperature resistant 55 DEG C～+125 DEG C, resistance to irradiation, the characteristics such as high intensity, resist bending, shock resistance, ageing-resistant, long-life, corrosion-resistant, high fire-retardance, highly reliable service can be provided in the presence of a harsh environment, it is adaptable to Aero-Space, nuclear power etc. have optic communication transmission under the special environment condition of resistance to irradiation, high temperature resistant requirement.

Description

High temperature resistant optical cable of resistance to irradiation and preparation method thereof
Technical field
The present invention is high temperature resistant optical cable of resistance to irradiation and preparation method thereof, and optical cable has long-term high-low temperature resistant-55 DEG C～+125 DEG C, resistance to irradiation, resist bending, resistance to compression, ageing-resistant, long-life, corrosion-resistant, salt spray resistance, resistance to mycete, wet-heat resisting, the characteristic such as high fire-retardance, It is applicable to the optic communication transmission that Aero-Space, nuclear power etc. have under the special environment condition of resistance to irradiation, high temperature resistant requirement.
Background technology
At present, common civil fiber optic cable field, a lot, technical merit is the most ripe in the producer of domestic production.But Developmental stage in the early stage is also located in the application of military domain optical cable.Main cause is that military fiber optic cable requirement is higher, not only requires good Environment and mechanical property, as special in high-low temperature resistant, resistance to irradiation, high intensity, shock resistance, resist bending, resistance to compression, long-life etc. want Ask.So, material and manufacturing process that military fiber optic cable is selected have the biggest difference with conventional civilian goods.The high temperature resistant optical cable of resistance to irradiation is just Consider the application requirement of military products, take into full account its suitability and safety, take into full account high/low temperature, radiation environment, high intensity, resistance to The Special use environmental requirements such as bending, shock resistance, ageing-resistant, long-life, mycete corrosion-resistant, resistance to and high fire-retardance.
Summary of the invention
That the present invention proposes is a kind of high temperature resistant optical cable of resistance to irradiation and preparation technology thereof, and its purpose is intended to optical fiber and uses resistance to spoke According to the fibre core of characteristic, (resistance to irradiation dose is not less than 107Rad), coat uses special ultra-violet curing acrylate-coated, and ratio is general Logical fiber core improves temperature resistant range (-60 DEG C～+150 DEG C)；Cushion uses ethylene tetrafluoroethylene copolymer (ETFE), adopts Extrude two kinds of structures by monolayer thin-walled extrusion and double-layer thin wall, improve the high and low temperature resistance (-55 DEG C～+125 DEG C) of optical cable, Use the braiding enhancement Layer of Fypro, improve the pull resistance of optical cable, use ethylene tetrafluoroethylene copolymer (ETFE) to protect Set, mechanical performance and environmental resistance are also greatly improved.
The technical solution of the present invention: the high temperature resistant optical cable of resistance to irradiation, its structure includes fibre core 1 ,-60 DEG C～+150 DEG C of purples Outer cured acrylate coat 2, ethylene tetrafluoroethylene copolymer cushion 3, aramid fibre enhancement Layer 4, ethylene four Fluoride copolymers restrictive coating 5；Wherein the periphery of fibre core 1 is special ultra-violet curing acrylate-coated layer 2；Special ultra-violet curing The periphery of acrylate-coated layer 2 is ethylene tetrafluoroethylene copolymer cushion 3；Ethylene tetrafluoroethylene copolymer cushion 3 Periphery is aramid fibre enhancement Layer 4；The periphery of aramid fibre enhancement Layer 4 is that ethylene tetrafluoroethylene copolymer protects Jacket layer 5.
Its preparation method, including following technique:
1) fiber core type is single mode 9/125 μm, has Radiation resistance characteristic 107rad；High temperature resistant 125 DEG C；
2) special ultra-violet curing acrylate is coated, in the periphery of fiber core, as coat, heatproof model with coating equipment Enclosing-60 DEG C～+150 DEG C, coat external diameter is 245 μm；
3) use high temperature extrusion machine monolayer or double-deck extrusion ethylene tetrafluoroethylene copolymer material, be wrapped in the peripheral conduct of coat Cushion, heatproof-60 DEG C～+150 DEG C；
4) weave aramid fibre with high-speed knitter, be wrapped in the periphery of cushion, as enhancement Layer, meet stretching resistance Not less than 150N；
5) use high temperature extrusion machine extrusion ethylene tetrafluoroethylene copolymer, be wrapped in the periphery of enhancement Layer 4 as restrictive coating, resistance to Temperature-60 DEG C～+150 DEG C.
The invention have the advantages that
1) resistance to irradiation: use the extraordinary high temperature optical fiber of resistance to irradiation, has Radiation resistance characteristic 107rad；
2) high-low temperature resistant: the raw material design of optical cable can meet the characteristic of high/low temperature, including special ultra-violet curing acrylate Coat (heatproof-60 DEG C～+150 DEG C), cushion use ethylene tetrafluoroethylene copolymer ETFE(heatproof-60 DEG C～+150 DEG C), aramid fibre braiding enhancement Layer (heatproof-60 DEG C～+150 DEG C) and ethylene tetrafluoroethylene copolymer ETFE sheath (heatproof-60 DEG C～+150 DEG C)；The Long-term service temperature making optical cable reaches-55 DEG C～+125 DEG C, particularly disclosure satisfy that airborne Use requirement under high and low temperature environment；
3) high fire-retardance, ageing-resistant, long-life, corrosion-resistant: the material that optical cable uses is all fire resistant special type material, has preferably Property at high and low temperature, fire resistance, ageing-resistant, long-life and decay resistance, meet the Special use such as Aero-Space, nuclear power field The use requirement of environment.
According to Aero-Space, nuclear power field use specific requirement, the high temperature resistant optical cable of resistance to irradiation has been done various machinery and Environmental test, checking optical cable stability in actual use and reliability.Main experimental checking is as follows:
1) resistance to irradiation test: total dose 107Rad(Si), attenuation change: under 1310nm wavelength≤0.5dB/100m；
2) high temperature service life: optical cable is (135 ± 2) DEG C at experimental condition, tests under the conditions of 500h, optical cable attenuation change should≤ 0.5dB/km；
3) low tempertaure storage: optical cable is (-55 ± 2) DEG C at experimental condition, tests under the conditions of 240h, optical cable attenuation change should≤ 0.5dB/km；
4) temperature cycles: optical cable, under conditions of temperature is (-55 ± 2) DEG C～(125 ± 2) DEG C, is incubated 4h, 10 Periodic Temperatures Circulation, external diameter change should be not more than ± 10%；Attenuation change answers≤0.5dB/km；
5) temperature shock: optical cable, under conditions of temperature is (-65 ± 2) DEG C～(135 ± 2) DEG C, is incubated 2h, 10 Periodic Temperatures Circulation, external diameter change should be not more than ± 10%；Attenuation change answers≤0.5dB/km；
6) tensile load: tensile load 450N, 1min, answer flawless, ftracture or rupture, elongation percentage≤2%, attenuation change should≤ 0.5dB；
7) alternating bending: load 0.454kg, alternating bending 3000 times, carry out under high/low temperature respectively, attenuation change should≤ 0.5dB；
8) resistance to compression: resistance to compression 800N, 3min, sheath answers flawless, cracking, answers non-fiber to rupture, attenuation change should≤0.5dB；
9) dipping: optical cable after the liquid 24h such as aircraft fluid, aeroengine oil, jet fuel dipping, sheath tensile strength With extend not less than dipping before 50%, cable outer diameter change should≤± 50%；
10) vibration: test by GJB360B, have no mechanical damage, attenuation change answers≤0.5dB；
11) impact: test by GJB360B, have no mechanical damage, attenuation change answers≤0.5dB；
12) damp and hot: optical cable should be not more than ± 10% through 24h damp heat test, 10 circulations, cable outer diameter change, and attenuation change should ≤0.5dB/km；
13) mycete: fungus growth grade≤1 grade；
14) inflammability: optical cable uses 60 ° of angle combustion tests, and sample prolongs combustion time≤5s, prolongs combustion distance and answers≤10cm.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of the high temperature resistant optical cable of resistance to irradiation.
In figure 1 is extraordinary irradiation resistant fiber fibre core；2 is special ultra-violet curing acrylate-coated layer；3 is ethyl tetra Ethylene copolymer (ETFE) cushion；4 is aramid fibre enhancement Layer；5 is that ethylene tetrafluoroethylene copolymer (ETFE) protects Jacket layer.
Detailed description of the invention
Comparison accompanying drawing 1, the high temperature resistant loosely shielded optical cable of aviation, its structure includes that fibre core 1, special ultra-violet curing acrylate are coated with Coating 2, the wrapped cushion of polytetrafluoroethylene (PTFE) band 3, polyether-ether-ketone (PEEK) pine jacket layer 4, aramid fibre are strengthened Layer 5, ethylene tetrafluoroethylene copolymer (ETFE) restrictive coating 6.
Wherein the periphery of fibre core 1 is special (heatproof-60 DEG C～+150 DEG C) ultra-violet curing acrylate-coated layer 2；Special The periphery of (heatproof-60 DEG C～+150 DEG C) ultra-violet curing acrylate-coated layer 2 is ethylene tetrafluoroethylene copolymer cushion 3； The periphery of ethylene tetrafluoroethylene copolymer cushion 3 is aramid fibre enhancement Layer 4；Aramid fibre enhancement Layer 4 Periphery be ethylene tetrafluoroethylene copolymer (ETFE) restrictive coating 5.
Its preparation method, including following technique:
1) fiber core type is single mode 9/125 μm, has Radiation resistance characteristic 107rad；
2) special ultra-violet curing acrylate is coated, in the periphery of fiber core, as coat 2, heatproof model with coating equipment Enclosing-60 DEG C～+150 DEG C, coat external diameter is 245 μm；
3) use high temperature extrusion machine monolayer or double-deck extrusion ethylene tetrafluoroethylene copolymer material, be wrapped in the peripheral conduct of coat Cushion 3, heatproof-60 DEG C～+150 DEG C；
4) weave aramid fibre with high-speed knitter, be wrapped in the periphery of cushion 3, as enhancement Layer 4, meet tension Power is not less than 150N；
5) use high temperature extrusion machine extrusion ethylene tetrafluoroethylene copolymer, be wrapped in the periphery of enhancement Layer 4 as restrictive coating, resistance to Temperature-60 DEG C～+150 DEG C.
Embodiment: cable outer diameter 1.8mm, cushion external diameter 0.9mm, core structure single mode 9/125 μm, Radiation resistance characteristic 107Rad, the optical cable of resistance to irradiation of high temperature resistant 125 DEG C, be expressed as GTB1E125-F-0.9-1.8.

Claims (3)

1. the high temperature resistant optical cable of resistance to irradiation, is characterized in that including the extraordinary high temperature of resistance to irradiation fiber core with single-mold, special ultra-violet curing acrylic acid Ester coat, ethylene tetrafluoroethylene copolymer hard-pressed bale layer, aramid fibre enhancement Layer, ethylene tetrafluoroethylene copolymer sheath Layer；
Wherein the periphery of fibre core is-60 DEG C～+150 DEG C ultra-violet curing acrylate-coated layers of heatproof；Heatproof-60 DEG C～+150 DEG C The periphery of ultra-violet curing acrylate-coated layer is ethylene tetrafluoroethylene copolymer cushion；Ethylene tetrafluoroethylene copolymer buffers The periphery of layer is aramid fibre enhancement Layer；The periphery of aramid fibre enhancement Layer is ethylene tetrafluoroethylene copolymer (ETFE) restrictive coating.
The high temperature resistant optical cable of resistance to irradiation the most as claimed in claim 1, is characterized in that described cable outer diameter 1.8mm, cushion external diameter 0.9mm, core structure single mode 9/125 μm, Radiation resistance characteristic 107Rad, high temperature resistant 125 DEG C.
The preparation method of the high temperature resistant optical cable of resistance to irradiation the most as claimed in claim 1, is characterized in that the method includes following technique:
1) fiber core type is single mode 9/125 μm, has Radiation resistance characteristic 107rad；
2) special ultra-violet curing acrylate is coated, in the periphery of fiber core, as coat, heatproof model with coating equipment Enclosing-60 DEG C～+150 DEG C, coat external diameter is 245 μm；
3) use high temperature extrusion machine monolayer or double-deck extrusion ethylene tetrafluoroethylene copolymer material, be wrapped in the peripheral conduct of coat Cushion, heatproof-60 DEG C～+150 DEG C；
4) weave aramid fibre with high-speed knitter, be wrapped in the periphery of cushion, as enhancement Layer, meet stretching resistance Not less than 150N；
5) use high temperature extrusion machine extrusion ethylene tetrafluoroethylene copolymer, be wrapped in the periphery of enhancement Layer as restrictive coating, heatproof- 60 DEG C～+150 DEG C.
CN201610653410.5A 2016-08-11 2016-08-11 High temperature resistant optical cable of resistance to irradiation and preparation method thereof Pending CN106094135A (en)

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107121742A (en) * 2017-05-11 2017-09-01 西安飞机工业（集团）亨通航空电子有限公司 A kind of airborne optical cable and preparation method thereof
CN112684554A (en) * 2020-12-18 2021-04-20 南京华信藤仓光通信有限公司 Manufacturing method of high-temperature-resistant optical fiber

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102520477A (en) * 2012-01-09 2012-06-27 南京全信传输科技股份有限公司 High temperature (150 DEG C) resistant tightly packaged fiber and preparation process thereof
CN202522744U (en) * 2012-03-21 2012-11-07 长飞光纤光缆有限公司 High temperature and voltage resistant optical cable
CN103926668A (en) * 2014-04-29 2014-07-16 中国电子科技集团公司第八研究所 Optical cable with radiation resistance function and high and low temperature resistance function and for spaceflight and manufacturing method thereof
CN104049330A (en) * 2014-07-08 2014-09-17 南京全信传输科技股份有限公司 High temperature resistance multimode special optical fiber for aviation and manufacturing method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102520477A (en) * 2012-01-09 2012-06-27 南京全信传输科技股份有限公司 High temperature (150 DEG C) resistant tightly packaged fiber and preparation process thereof
CN202522744U (en) * 2012-03-21 2012-11-07 长飞光纤光缆有限公司 High temperature and voltage resistant optical cable
CN103926668A (en) * 2014-04-29 2014-07-16 中国电子科技集团公司第八研究所 Optical cable with radiation resistance function and high and low temperature resistance function and for spaceflight and manufacturing method thereof
CN104049330A (en) * 2014-07-08 2014-09-17 南京全信传输科技股份有限公司 High temperature resistance multimode special optical fiber for aviation and manufacturing method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107121742A (en) * 2017-05-11 2017-09-01 西安飞机工业（集团）亨通航空电子有限公司 A kind of airborne optical cable and preparation method thereof
CN112684554A (en) * 2020-12-18 2021-04-20 南京华信藤仓光通信有限公司 Manufacturing method of high-temperature-resistant optical fiber

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Application publication date: 20161109

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