CN104777572A - Aerial high-temperature-resistant loose optical cable and preparation method thereof - Google Patents
Aerial high-temperature-resistant loose optical cable and preparation method thereof Download PDFInfo
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- CN104777572A CN104777572A CN201510194717.9A CN201510194717A CN104777572A CN 104777572 A CN104777572 A CN 104777572A CN 201510194717 A CN201510194717 A CN 201510194717A CN 104777572 A CN104777572 A CN 104777572A
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- temperature resistant
- optical cable
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- periphery
- high temperature
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Classifications
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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
- G02B6/443—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
- G02B6/4401—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
- G02B6/4479—Manufacturing methods of optical cables
- G02B6/4486—Protective covering
Abstract
The invention discloses an aerial high-temperature-resistant loose optical cable and a preparation method thereof. A coating layer 2 is arranged outside an optical fiber core 1; a polytetrafluoroethylene PTFE lapping buffer layer 3 is arranged outside the coating layer 2; a polyether ether ketone PEEK loose layer 4 is arranged outside the polytetrafluoroethylene PTFE lapping buffer layer 3; an aromatic polyamide fiber reinforcing layer 5 is arranged outside the polyether ether ketone PEEK loose layer 4; an ethylene tetrafluoroethylene copolymer ETFE jacket layer 6 is arranged outside the aromatic polyamide fiber reinforcing layer 5. The aerial high temperature-resistant loose optical cable has the characteristics of resisting high/low temperature of -55-125 DEG C for a long time, resisting bending, compression, ageing, corrosion, salt mist, mould and damp heat and being long in service life and high in flame resistance, can be used for providing reliable service under severe environment and is suitable for the high-speed signal transmission under aerospace, electronics and onboard special environment conditions.
Description
Technical field
The present invention is aviation high temperature resistant loosely shielded optical cable and preparation method thereof, optical cable has the characteristics such as long-term high-low temperature resistant-55 DEG C ~+125 DEG C, resist bending, resistance to compression, ageing-resistant, long-life, corrosion-resistant, salt spray resistance, resistance to mould, wet-heat resisting, high flame retardant, highly reliable service can be provided under rugged environment, be applicable to the high speed transmission of signals under Aero-Space, electronics, airborne special environment condition.
Background technology
At present, common civil fiber optic cable field, a lot, technical merit is also very ripe in the producer of domestic production.But be also in initial stage developing stage 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 particular/special requirements such as high-low temperature resistant, high strength, shock resistance, resist bending, resistance to compression, long-lives.So the material that military fiber optic cable is selected and manufacturing process and conventional civilian goods have very large difference.The high temperature resistant loosely shielded optical cable of aviation considers the application requirement of military products just, take into full account its applicability and security, take into full account high/low temperature, high strength, resist bending, shock resistance, ageing-resistant, long-life, the Special use environmental requirement such as corrosion-resistant, resistance to mould and high flame retardant.
Summary of the invention
What the present invention proposed is a kind of aviation high temperature resistant loosely shielded optical cable and preparation method thereof, and its object is intended to fiber core coat and adopts special ultra-violet curing acrylate-coated, improves temperature resistant range (-65 DEG C ~+135 DEG C) than ordinary optic fibre fibre core; Cushion adopts polytetrafluoroethylene (PTFE) band wrapped, plays more protection and buffer action, temperature resistant range (-65 DEG C ~+250 DEG C); Pine jacket layer adopts polyetheretherketone (PEEK) extrusion molding, plays resistance to compression and more protection effect, temperature resistant range (-65 DEG C ~+200 DEG C); Enhancement Layer adopts the aramid fibre braiding with high tensile performance, improves the stretching resistance of optical cable, temperature resistant range (-65 DEG C ~+150 DEG C); Restrictive coating adopts ethylene tetrafluoroethylene copolymer (ETFE) extrusion molding, and cable machinery performance and environmental resistance improve greatly, temperature resistant range (-65 DEG C ~+150 DEG C).
Technical solution of the present invention: the high temperature resistant loosely shielded optical cable of aviation, its structure comprises fiber core, (-65 DEG C ~+135 DEG C) ultra-violet curing acrylate-coated layer, polytetrafluoroethylene (PTFE) band lapping layer, polyetheretherketone (PEEK) loose jacket layer, aramid fibre enhancement Layer, ethylene tetrafluoroethylene copolymer restrictive coating; Wherein the periphery of fibre core is special (-65 DEG C ~+135 DEG C) ultra-violet curing acrylate-coated layer; The periphery of special (-65 DEG C ~+135 DEG C) ultra-violet curing acrylate-coated layer is the wrapped cushion of polytetrafluoroethylene (PTFE) band; The periphery of the wrapped cushion of polytetrafluoroethylene (PTFE) band is polyetheretherketone (PEEK) loose jacket layer; The periphery of polyetheretherketone (PEEK) loose jacket layer is aramid fibre enhancement Layer; The periphery of aramid fibre enhancement Layer is ethylene tetrafluoroethylene copolymer (ETFE) restrictive coating.
Its preparation method, comprises following technique:
1) fiber core type divides multimode and single mode, and structure divides multimode 50/125 μm, multimode 62.5/125 μm, single mode 9/125 μm;
2) special ultra-violet curing acrylate is applied with coating equipment, in the periphery of fiber core, as coat 2, temperature resistant range-65 DEG C ~+135 DEG C, coat external diameter is 245 μm;
3) adopt winding machine wrapped one deck polytetrafluoroethylene (PTFE) band, be wrapped in the periphery of coat as cushion 3, temperature resistant range-65 DEG C ~+250 DEG C, cushion external diameter is 400 μm;
4) adopt high temperature extrusion machine to extrude polyetheretherketone (PEEK), be wrapped in the periphery of cushion 3, as loose jacket layer 4, temperature resistant range-65 DEG C ~+200 DEG C, loose jacket layer external diameter is 900 μm;
5) adopt braider braiding aramid fibre, cover the periphery of loose jacket layer 4, as enhancement Layer 5, meet stretching resistance 150N, temperature resistant range-65 DEG C ~+150 DEG C;
6) adopt high temperature extrusion machine to extrude ethylene tetrafluoroethylene copolymer (ETFE), be wrapped in the periphery of enhancement Layer 5 as restrictive coating 6, temperature resistant range-65 DEG C ~+150 DEG C.
The present invention has the following advantages: 1) high-low temperature resistant: the starting material design of optical cable can meet the characteristic of high/low temperature, comprises special ultra-violet curing acrylate-coated layer (heatproof-65 DEG C ~+135 DEG C), the wrapped cushion of polytetrafluoroethylene (PTFE) band (heatproof-65 DEG C ~+250 DEG C), polyetheretherketone (PEEK) loose jacket layer (heatproof-65 DEG C ~+200 DEG C), aramid fibre braiding enhancement Layer (heatproof-65 DEG C ~+150 DEG C) and ethylene tetrafluoroethylene copolymer (ETFE) (heatproof-65 DEG C ~+150 DEG C); Make the Long-term service temperature of optical cable reach-55 DEG C ~+125 DEG C, particularly can meet the request for utilization under airborne high and low temperature environment;
2) resistance to compression: optical cable adopts polyetheretherketone (PEEK) loose jacket structure (can play with the wrapped cushion in inside), polyetheretherketone (PEEK) material has higher hardness and intensity, and not direct effect fiber core when the structural design of loose jacket layer makes optical cable be subject to external pressure, can play the fibre core of inside and well strengthen and protective effect, and similar tight-buffered fiber optic cable greatly strengthen compressive resistance;
3) resist bending: optical cable adopts polyetheretherketone (PEEK) loose jacket structure (can play with the wrapped cushion in inside), when the structural design of pine jacket layer makes cable bend attenuation change very little (with similar tight-buffered fiber optic cable than), space is had mainly due between fibre core and loose jacket layer, and there is excess fiber length, when making cable bend, optic fibre force is less, so attenuation change impact is less;
4) high flame retardant, ageing-resistant, long-life, corrosion-resistant: the material that optical cable uses is all fire resistant special type material, there is good property at high and low temperature, fire resistance, ageing-resistant, long-life and decay resistance, meet the request for utilization of airborne Special use environment.
According to the specific requirement that airborne environment uses, various machinery and environmental test are done to the high temperature resistant loosely shielded optical cable of aviation, checking optical cable stability in actual use and reliability.Main experimental checking is as follows:
1) high temperature service life: optical cable is (135 ± 2) DEG C at test condition, tests under 500h condition, optical cable attenuation change answers≤0.5dB/km;
2) low tempertaure storage: optical cable is (-55 ± 2) DEG C at test condition, tests under 240h condition, optical cable attenuation change answers≤0.5dB/km;
3) temperature cycles: optical cable under temperature is the condition of (-55 ± 2) DEG C ~ (125 ± 2) DEG C, insulation 4h, 10 Periodic Temperatures circulations, external diameter change should be not more than ± 10%; Attenuation change answers≤0.5dB/km;
4) temperature shock: optical cable under temperature is the condition of (-65 ± 2) DEG C ~ (135 ± 2) DEG C, insulation 2h, 10 Periodic Temperatures circulations, external diameter change should be not more than ± 10%; Attenuation change answers≤0.5dB/km;
5) tensile load: tensile load 450N, 1min, answers flawless, cracking or fracture, extensibility≤2%, and attenuation change answers≤0.5dB;
6) alternating bending: load 0.454kg, alternating bending 3000 times, carries out respectively under high/low temperature, and attenuation change answers≤0.5dB;
7) resistance to compression: resistance to compression 800N, 3min, sheath answers flawless, cracking, answers non-fiber to rupture, and attenuation change answers≤0.5dB;
8) flood: optical cable after the liquid 24h such as aircraft fluid, aerooil, jet fuel floods, sheath tensile strength and extend before being not less than dipping 50%, cable outer diameter change should≤± 50%;
9) vibrate: test by GJB360B, have no mechanical damage, attenuation change answers≤0.5dB;
10) impact: test by GJB360B, have no mechanical damage, attenuation change answers≤0.5dB;
11) damp and hot: optical cable through 24h damp heat test, 10 times circulation, cable outer diameter change should be not more than ± 10%, attenuation change should≤0.5dB/km;
12) mould: fungus growth grade≤1 grade;
13) inflammability: optical cable adopts 60 ° of angle burning tests, sample prolong combustion time≤5s, prolong combustion distance should≤10cm;
14) infrabar: (air pressure 2.5kPa, highly 25000m), keeps 1h, after test ,≤0.5dB/km is answered in optical transmittance property change;
15) drench with rain: test by GJB150, have no mechanical damage, attenuation change answers≤0.5dB;
16) sand dust: test by GJB150, has no mechanical damage, and attenuation change answers≤0.5dB.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of aviation with high temperature resistant loosely shielded optical cable.
In figure 1 is fiber core; 2 is coats; 3 is the wrapped cushions of polytetrafluoroethylene (PTFE) band; 4 is polyetheretherketone (PEEK) loose jacket layers; 5 is aramid fibre enhancement Layers; 6 is ethylene tetrafluoroethylene copolymer (ETFE) restrictive coatings.
Embodiment
Contrast accompanying drawing 1, the high temperature resistant loosely shielded optical cable of aviation, its structure comprises fiber core 1, coat 2, the wrapped cushion of polytetrafluoroethylene (PTFE) band 3, the loose jacket layer 4 of polyetheretherketone (PEEK), aramid fibre enhancement Layer 5, ethylene tetrafluoroethylene copolymer (ETFE) restrictive coating 6.
Wherein the periphery of fibre core 1 is the coat 2 of the ultra-violet curing acrylate of heatproof-65 DEG C ~+135 DEG C; The periphery of the coat 2 of ultra-violet curing acrylate is the wrapped cushion 3 of polytetrafluoroethylene (PTFE) band; The periphery of the wrapped cushion of polytetrafluoroethylene (PTFE) band 3 is the loose jacket layers 4 of polyetheretherketone (PEEK); The periphery of the loose jacket layer 4 of polyetheretherketone (PEEK) is aramid fibre enhancement Layers 5; The periphery of aramid fibre enhancement Layer 5 is ethylene tetrafluoroethylene copolymer (ETFE) restrictive coatings 6.
Its preparation method, comprises following technique:
1) fiber core type divides multimode and single mode, and structure divides multimode 50/125 μm, multimode 62.5/125 μm, single mode 9/125 μm;
2) special ultra-violet curing acrylate is applied with coating equipment, in the periphery of fiber core, as coat 2, temperature resistant range-65 DEG C ~+135 DEG C, coat external diameter is 245 μm;
3) adopt winding machine wrapped one deck polytetrafluoroethylene (PTFE) band, be wrapped in the periphery of coat as cushion 3, temperature resistant range-65 DEG C ~+250 DEG C, cushion external diameter is 400 μm;
4) adopt high temperature extrusion machine to extrude polyetheretherketone (PEEK), be wrapped in the periphery of cushion 3, as loose jacket layer 4, temperature resistant range-65 DEG C ~+200 DEG C, loose jacket layer external diameter is 900 μm;
5) adopt braider braiding aramid fibre, cover the periphery of loose jacket layer 4, as enhancement Layer 5, meet stretching resistance 150N, temperature resistant range-65 DEG C ~+150 DEG C;
6) adopt high temperature extrusion machine to extrude ethylene tetrafluoroethylene copolymer (ETFE), be wrapped in the periphery of enhancement Layer 5 as restrictive coating 6, temperature resistant range-65 DEG C ~+150 DEG C.
Representative instance: cable outer diameter 1.8mm, loose jacket layer external diameter 0.9mm, core structure 62.5 μm/125 μm, the high temperature resistant loosely shielded optical cable of aviation of high temperature resistant 125 DEG C, is expressed as GLAE125-62.5/125-0.9-1.8.
Claims (7)
1. the high temperature resistant loosely shielded optical cable of aviation, is characterized in that comprising fiber core (1), coat (2), polytetrafluoroethylene PTFE band lapping layer (3), polyetheretherketone PEEK pine jacket layer (4), aramid fibre enhancement Layer (5), ethylene tetrafluoroethylene copolymer restrictive coating (6); Wherein the periphery of fiber core (1) is coat (2); The periphery of coat (2) is the wrapped cushion of polytetrafluoroethylene PTFE band (3); The periphery of the wrapped cushion of polytetrafluoroethylene PTFE band (3) is polyetheretherketone PEEK pine jacket layer (4); The periphery of polyetheretherketone PEEK pine jacket layer (4) is aramid fibre enhancement Layer (5); The periphery of aramid fibre enhancement Layer (5) is ethylene tetrafluoroethylene copolymer ETFE restrictive coating (6).
2. the aviation preparation method of high temperature resistant loosely shielded optical cable as claimed in claim 1, is characterized in that comprising following technique:
1) fiber core type divides multimode and single mode, and structure divides multimode 50/125 μm, multimode 62.5/125 μm, single mode 9/125 μm;
2) with coating equipment coating ultra-violet curing acrylate, in the periphery of fiber core, as coat (2), temperature resistant range-65 DEG C ~+135 DEG C, coat external diameter is 245 μm;
3) adopt winding machine wrapped one deck polytetrafluoroethylene PTFE band, be wrapped in the periphery of coat as cushion (3), temperature resistant range-65 DEG C ~+250 DEG C, cushion external diameter is 400 μm;
4) adopt high temperature extrusion machine to extrude polyetheretherketone PEEK, be wrapped in the periphery of cushion (3), as loose jacket layer (4), temperature resistant range-65 DEG C ~+200 DEG C, loose jacket layer external diameter is 900 μm;
5) adopt braider braiding aramid fibre, cover the periphery of loose jacket layer (4), as enhancement Layer (5), meet stretching resistance 150N, temperature resistant range-65 DEG C ~+150 DEG C;
6) adopt high temperature extrusion machine to extrude ethylene tetrafluoroethylene copolymer ETFE, be wrapped in the periphery of enhancement Layer (5) as restrictive coating (6), temperature resistant range-65 DEG C ~+150 DEG C.
3. the aviation as claimed in claim 2 preparation method of high temperature resistant loosely shielded optical cable, it is characterized in that described coat (2), temperature resistant range-65 DEG C ~+135 DEG C, coat external diameter is 245 μm.
4. the aviation as claimed in claim 2 preparation method of high temperature resistant loosely shielded optical cable, it is characterized in that described cushion (3), temperature resistant range-65 DEG C ~+250 DEG C, cushion external diameter is 400 μm.
5. the aviation as claimed in claim 2 preparation method of high temperature resistant loosely shielded optical cable, it is characterized in that described loose jacket layer (4), temperature resistant range-65 DEG C ~+200 DEG C, loose jacket layer external diameter is 900 μm.
6. the aviation preparation method of high temperature resistant loosely shielded optical cable as claimed in claim 2, is characterized in that described enhancement Layer (5), meets stretching resistance 150N, temperature resistant range-65 DEG C ~+150 DEG C.
7. the aviation preparation method of high temperature resistant loosely shielded optical cable as claimed in claim 2, is characterized in that described restrictive coating (6), temperature resistant range-65 DEG C ~+150 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510194717.9A CN104777572A (en) | 2015-04-23 | 2015-04-23 | Aerial high-temperature-resistant loose optical cable and preparation method thereof |
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| CN201510194717.9A CN104777572A (en) | 2015-04-23 | 2015-04-23 | Aerial high-temperature-resistant loose optical cable and preparation method thereof |
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| CN104777572A true CN104777572A (en) | 2015-07-15 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105929503A (en) * | 2016-06-12 | 2016-09-07 | 中国电子科技集团公司第八研究所 | Loose lapping reinforced buffering type flexible radiation resistant optical cable and manufacturing method thereof |
| CN107167406A (en) * | 2017-07-10 | 2017-09-15 | 西石（厦门）科技有限公司 | A kind of preceding scattering dust instrument optical system based on light cone |
| CN113281862A (en) * | 2021-04-30 | 2021-08-20 | 安徽光纤光缆传输技术研究所(中国电子科技集团公司第八研究所) | Manufacturing method of optical cable for aerospace |
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| CN1821823A (en) * | 2005-02-16 | 2006-08-23 | 矢崎总业株式会社 | Optical fiber protective tube |
| EP1710607A2 (en) * | 2005-04-08 | 2006-10-11 | Nexans | A limited combustible optical fiber |
| CN202711818U (en) * | 2012-06-04 | 2013-01-30 | 安徽华联电缆集团有限公司 | Photoelectric composite transmission cable |
| 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 |
| CN204556926U (en) * | 2015-04-23 | 2015-08-12 | 南京全信传输科技股份有限公司 | The high temperature resistant loosely shielded optical cable of aviation |
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2015
- 2015-04-23 CN CN201510194717.9A patent/CN104777572A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5002359A (en) * | 1990-05-22 | 1991-03-26 | W. L. Gore & Associates, Inc. | Buffered insulated optical waveguide fiber cable |
| CN1821823A (en) * | 2005-02-16 | 2006-08-23 | 矢崎总业株式会社 | Optical fiber protective tube |
| EP1710607A2 (en) * | 2005-04-08 | 2006-10-11 | Nexans | A limited combustible optical fiber |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105929503A (en) * | 2016-06-12 | 2016-09-07 | 中国电子科技集团公司第八研究所 | Loose lapping reinforced buffering type flexible radiation resistant optical cable and manufacturing method thereof |
| CN107167406A (en) * | 2017-07-10 | 2017-09-15 | 西石（厦门）科技有限公司 | A kind of preceding scattering dust instrument optical system based on light cone |
| CN113281862A (en) * | 2021-04-30 | 2021-08-20 | 安徽光纤光缆传输技术研究所(中国电子科技集团公司第八研究所) | Manufacturing method of optical cable for aerospace |
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Application publication date: 20150715 |
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