CN203941329U - High temperature resistant multimode special optical cable for aviation - Google Patents
High temperature resistant multimode special optical cable for aviation Download PDFInfo
- Publication number
- CN203941329U CN203941329U CN201420372615.2U CN201420372615U CN203941329U CN 203941329 U CN203941329 U CN 203941329U CN 201420372615 U CN201420372615 U CN 201420372615U CN 203941329 U CN203941329 U CN 203941329U
- Authority
- CN
- China
- Prior art keywords
- layer
- temperature resistant
- tetrafluoroethylene copolymer
- ethylene tetrafluoroethylene
- high temperature
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
Links
Landscapes
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
The utility model is high temperature resistant multimode special optical cable for aviation, and its structure comprises ultra-violet curing acrylate-coated layer, ethylene tetrafluoroethylene copolymer hard-pressed bale layer, aramid fibre enhancement Layer, the ethylene tetrafluoroethylene copolymer restrictive coating of fibre core, high temperature resistant-55 ℃～+ 125 ℃; Wherein the periphery of fibre core is the ultra-violet curing acrylate-coated layer of high temperature resistant-55 ℃～+ 125 ℃; The peripheral ethylene tetrafluoroethylene copolymer hard-pressed bale layer of ultra-violet curing acrylate-coated layer; The periphery of ethylene tetrafluoroethylene copolymer hard-pressed bale layer is aramid fibre enhancement Layer; The periphery of aramid fibre enhancement Layer is ethylene tetrafluoroethylene copolymer restrictive coating.Advantage: high-low temperature resistant-55 ℃～+ 125 ℃, high strength, resistance to bending, shock resistance, ageing-resistant, long-life, resistance to mould, high flame retardant, can under rugged environment, provide highly reliable service, be applicable to the high speed transmission of signals under Aero-Space, electronics, airborne special environment condition.
Description
Technical field
The utility model is high temperature resistant multimode special optical cable for aviation, product has the characteristics such as high-low temperature resistant (55 ℃～+ 125 ℃), high strength, resistance to bending, shock resistance, ageing-resistant, long-life, corrosion-resistant, resistance to mould, high flame retardant, can under rugged environment, provide highly reliable service, 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, the producer of domestic production is a lot, and technical merit is also very ripe.But the application at military domain optical cable is also in initial stage developing stage.Main cause is that military fiber optic cable is had relatively high expectations, and not only requires good environment and mechanical property, as specific (special) requirements such as high-low temperature resistant, high strength, shock resistance, resistance to bending, long-lives.So the material that military fiber optic cable is selected and manufacturing process and conventional civilian goods have very large difference.The application requirements of military products is considered in aviation just with high temperature resistant multimode special optical cable, take into full account its applicability and security, take into full account the Special use environmental requirements such as high low temperature, high strength, resistance to bending, shock resistance, ageing-resistant, long-life, corrosion-resistant, resistance to mould and high flame retardant.
Summary of the invention
The utility model proposes high temperature resistant multimode special optical cable for a kind of aviation, its object is intended to fiber core coat and adopts special ultra-violet curing acrylate-coated, than ordinary optic fibre fibre core, has improved heat resistance, and heatproof reaches 125 ℃; Hard-pressed bale layer adopts ethylene tetrafluoroethylene copolymer (ETFE), adopt individual layer thin-walled to extrude with double-layer thin wall and extrude two kinds of structures, improved the high and low temperature resistance (55 ℃～+ 125 ℃) of tight-buffered fiber optic cable, adopt the braiding enhancement Layer of polyamide fibre, improved the pull resistance of optical cable, adopt ethylene tetrafluoroethylene copolymer (ETFE) sheath, mechanical property and environmental resistance also improve greatly.
Technical solution of the present utility model: high temperature resistant multimode special optical cable for aviation, its structure comprises ultra-violet curing acrylate-coated layer, ethylene tetrafluoroethylene copolymer hard-pressed bale layer, aramid fibre enhancement Layer, the ethylene tetrafluoroethylene copolymer restrictive coating of fibre core, high temperature resistant-55 ℃～+ 125 ℃; Wherein the periphery of fibre core is the ultra-violet curing acrylate-coated layer of high temperature resistant-55 ℃～+ 125 ℃; The peripheral ethylene tetrafluoroethylene copolymer hard-pressed bale layer of the ultra-violet curing acrylate-coated layer of high temperature resistant-55 ℃～+ 125 ℃; The periphery of ethylene tetrafluoroethylene copolymer hard-pressed bale layer is aramid fibre enhancement Layer; The periphery of aramid fibre enhancement Layer is ethylene tetrafluoroethylene copolymer restrictive coating.
The utlity model has following advantage: 1) high temperature resistant: coat adopts special ultra-violet curing acrylate-coated, hard-pressed bale sheath adopts ethylene tetrafluoroethylene copolymer (ETFE), and long-term maximum operating temperature can reach+and 125 ℃; 2) low temperature resistant: coat adopts special ultra-violet curing acrylate-coated, hard-pressed bale layer and restrictive coating adopt ethylene tetrafluoroethylene copolymer (ETFE), make can be at-55 ℃ normal laying installation of tightly packaged fiber, can solve general material because low temperature lays problems such as easily causing sclerosis, embrittlement, thereby meet the request for utilization of low temperature environment; 3) high strength: hard-pressed bale sheath adopts ethylene tetrafluoroethylene copolymer (ETFE), has improved the mechanical property of tightly packaged fiber, compares stretching resistance greatly improve with the common tightly packaged fiber of normal temperature; 4) high flame retardant, ageing-resistant, long-life, corrosion-resistant: adopt ethylene tetrafluoroethylene copolymer (ETFE) hard-pressed bale sheath, this kind of material has very high fire resistance, ageing-resistant, long-life and decay resistance; 5) stability: adopt ethylene tetrafluoroethylene copolymer (ETFE) hard-pressed bale sheath, have good adhesion with fibre core, structure rounding is stable, and optical property is stable.
This product, according to the concrete condition of using, has been done various machinery and environmental test to aviation with high temperature resistant multimode special optical cable, guarantees that optical cable can guarantee normally in actual use, steady operation.Main experimental checking is as follows:
(1) high temperature service life: optical cable is (135 ± 2) ℃ at test condition, tests under 500h condition, answer≤0.5dB/km of optical cable attenuation change after test;
(2) temperature cycles: optical cable is under the condition of (55 ± 2) ℃～(125 ± 2) ℃ in temperature, insulation 4h, 10 Periodic Temperatures circulations, external diameter change should be not more than ± 10%; Answer≤0.5dB/km of attenuation change;
(3) temperature shock: optical cable is under the condition of (65 ± 2) ℃～(135 ± 2) ℃ in temperature, insulation 2h, 10 Periodic Temperatures circulations, external diameter change should be not more than ± 10%; Answer≤0.5dB/km of attenuation change;
(4) tensile load: tensile load 450N, 1min, answers flawless, cracking or fracture, extensibility≤2%.After duration of test and test, the transmitance of optical fiber can change answer≤0.5dB;
(5) alternating bending: optical cable can meet minimum load 4.9kg, alternating bending 300 times, answer≤0.5dB of its attenuation change;
(6) resistance to compression: resistance to compression 360N, 3min, sheath is answered flawless, cracking.After duration of test and test, answer non-fiber fracture, the transmitance of optical fiber can change answer≤0.5dB;
(7) dipping: optical cable after the liquid 24h such as aircraft fluid, aerooil, jet fuel dipping, sheath tensile strength and extend and be not less than 50% before dipping, cable outer diameter change should≤± 50%;
(8) vibration: optical cable is through 10Hz～55Hz vibration frequency, and displacement amplitude is 0.75mm; Vibrations 6h, duration of test, transmitance can change answer≤0.5dB; After test, should have no mechanical damage;
(9) moisture-proof: optical cable is through 24h humidity test, 10 circulations, cable outer diameter change should be not more than ± 10%, attenuation change should≤0.5dB/km;
(10) mould: fungus growth grade≤1 grade;
(11) inflammability: optical cable adopts 60 ° of angle burning tests, and sample prolongs combustion time≤30s, prolongs answer≤10cm of combustion distance;
(12) infrabar: (air pressure 2.5kPa, height 25000m), keeping 1h, after test, transmitance can change answer≤0.5dB/km.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of high temperature resistant multimode special optical cable for aviation.
In figure 1 is fibre core; The 2nd, the ultra-violet curing acrylate-coated layer of high temperature resistant-55 ℃～+ 125 ℃; The 3rd, ethylene tetrafluoroethylene copolymer (ETFE) hard-pressed bale layer; The 4th, aramid fibre enhancement Layer; The 5th, ethylene tetrafluoroethylene copolymer (ETFE) restrictive coating.
Embodiment
Contrast accompanying drawing 1, high temperature resistant multimode special optical cable for aviation, its structure comprises fibre core 1; The ultra-violet curing acrylate-coated layer 2 of high temperature resistant-55 ℃～+ 125 ℃; Ethylene tetrafluoroethylene copolymer hard-pressed bale layer 3; Aramid fibre enhancement Layer 4; Ethylene tetrafluoroethylene copolymer restrictive coating 5, wherein the periphery of fibre core 1 is the ultra-violet curing acrylate-coated layer 2 of high temperature resistant-55 ℃～+ 125 ℃; The peripheral ethylene tetrafluoroethylene copolymer hard-pressed bale layer 3 of the ultra-violet curing acrylate-coated layer 2 of high temperature resistant-55 ℃～+ 125 ℃; The periphery of ethylene tetrafluoroethylene copolymer hard-pressed bale layer 3 is aramid fibre enhancement Layers 4; The periphery of aramid fibre enhancement Layer 4 is that ethylene tetrafluoroethylene copolymer restrictive coating 5 is that the periphery of fibre core 1 is special ultra-violet curing acrylate-coated layer 2; The periphery of polyimide coating layer 2 is ethylene tetrafluoroethylene copolymer (ETFE) hard-pressed bale layers 3; The periphery of hard-pressed bale layer 3 is aramid fibre enhancement Layers 4; The periphery of enhancement Layer 4 is ethylene tetrafluoroethylene copolymer (ETFE) restrictive coatings 5.
Its preparation method, comprises following technique:
1) fiber core is multimode, and structure is divided 50/125 μ m and 62.5/125 μ m;
2) the ultra-violet curing acrylate that applies high temperature resistant-55 ℃～+ 125 ℃ with coating equipment in the periphery of fiber core as coat, heatproof-55 ℃～+ 125 ℃, coat external diameter is 245 μ m;
3) adopt high temperature extruding machine individual layer or bilayer to extrude ethylene tetrafluoroethylene copolymer material, be wrapped in the periphery of coat as hard-pressed bale layer 3, heatproof-55 ℃～+ 125 ℃;
4) with high-speed knitter, weave aramid fibre, be wrapped in the periphery of hard-pressed bale layer 3 as enhancement Layer 4, meet stretching resistance 150N;
5) adopt high temperature extruding machine to extrude ethylene tetrafluoroethylene copolymer, be wrapped in the periphery of enhancement Layer 4 as restrictive coating, heatproof-55 ℃～+ 125 ℃.
Representative instance: cable outer diameter 1.8mm, hard-pressed bale layer external diameter 0.9mm, core structure 62.5 μ m/125 μ m, high temperature resistant multimode special optical cable for the aviation of high temperature resistant 125 ℃, is expressed as GTAE125-62.5/125-0.9-1.8.
Claims (1)
1. high temperature resistant multimode special optical cable for aviation, is characterized in that comprising ultra-violet curing acrylate-coated layer, ethylene tetrafluoroethylene copolymer hard-pressed bale layer, aramid fibre enhancement Layer, the ethylene tetrafluoroethylene copolymer restrictive coating of fibre core, high temperature resistant-55 ℃～+ 125 ℃; Wherein the periphery of fibre core is the ultra-violet curing acrylate-coated layer of high temperature resistant-55 ℃～+ 125 ℃; The peripheral ethylene tetrafluoroethylene copolymer hard-pressed bale layer of the ultra-violet curing acrylate-coated layer of high temperature resistant-55 ℃～+ 125 ℃; The periphery of ethylene tetrafluoroethylene copolymer hard-pressed bale layer is aramid fibre enhancement Layer; The periphery of aramid fibre enhancement Layer is ethylene tetrafluoroethylene copolymer restrictive coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420372615.2U CN203941329U (en) | 2014-07-08 | 2014-07-08 | High temperature resistant multimode special optical cable for aviation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420372615.2U CN203941329U (en) | 2014-07-08 | 2014-07-08 | High temperature resistant multimode special optical cable for aviation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203941329U true CN203941329U (en) | 2014-11-12 |
Family
ID=51860632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420372615.2U Active CN203941329U (en) | 2014-07-08 | 2014-07-08 | High temperature resistant multimode special optical cable for aviation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203941329U (en) |
-
2014
- 2014-07-08 CN CN201420372615.2U patent/CN203941329U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104049330A (en) | High temperature resistance multimode special optical fiber for aviation and manufacturing method thereof | |
| WO2012112532A3 (en) | Fiber optic cable with electrical conductors | |
| CN102520477A (en) | High temperature (150 DEG C) resistant tightly packaged fiber and preparation process thereof | |
| CN106094135A (en) | High temperature resistant optical cable of resistance to irradiation and preparation method thereof | |
| CN201917698U (en) | Security protection communication guard optical cable with loose optical fiber and tight optical fiber mixed together | |
| CN203941329U (en) | High temperature resistant multimode special optical cable for aviation | |
| CN102520476A (en) | High-temperature 260 DEG C resistant tightly-packaged fiber and preparation process thereof | |
| CN204556926U (en) | The high temperature resistant loosely shielded optical cable of aviation | |
| CN203604827U (en) | Hydraulic oil pipe | |
| CN104777572A (en) | Aerial high-temperature-resistant loose optical cable and preparation method thereof | |
| CN207586498U (en) | A kind of heat distribution pipeline monitors sensing optic cable | |
| CN211699795U (en) | 8-shaped self-supporting composite optical cable | |
| CN202421535U (en) | High temperature-resistant 260 DEG C tightly-buffered fiber | |
| CN202421534U (en) | Tightly-wrapped optical fiber resistant to high temperature of 200 DEG C | |
| CN107861211A (en) | A kind of heat distribution pipeline monitors sensing optic cable | |
| CN204347322U (en) | A kind of optical fiber logging cable | |
| CN207937659U (en) | High temperature resistant optical cable | |
| CN101520531B (en) | Flexible optical cable suitable for being used at extreme temperature | |
| CN203849453U (en) | Carbon-coated sealed anti-hydrogen optical fiber | |
| CN202453532U (en) | Tightly-packaged fiber resisting high temperature of 150DEG C | |
| CN201417333Y (en) | Flexible optical cable suitable for use under extreme temperature | |
| CN202256807U (en) | Indoor and outdoor self-supporting armored bow-type drop optical cable | |
| CN203012206U (en) | Ship wire-guidance application-specific optical fiber | |
| CN103926665A (en) | Indoor micro optical fiber cable with large number of cores | |
| CN204331111U (en) | A kind of temperature stress optical cable for sensing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |