CN203858395U - Radiation resistant and high-and-low temperature resistant optical cable for spaceflight - Google Patents
Radiation resistant and high-and-low temperature resistant optical cable for spaceflight Download PDFInfo
- Publication number
- CN203858395U CN203858395U CN201420216838.XU CN201420216838U CN203858395U CN 203858395 U CN203858395 U CN 203858395U CN 201420216838 U CN201420216838 U CN 201420216838U CN 203858395 U CN203858395 U CN 203858395U
- Authority
- CN
- China
- Prior art keywords
- low temperature
- temperature resistant
- optical fiber
- layer
- resistant
- 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.)
- Expired - Lifetime
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 31
- 230000005855 radiation Effects 0.000 title claims abstract description 20
- 239000013307 optical fiber Substances 0.000 claims abstract description 34
- 239000000835 fiber Substances 0.000 claims abstract description 33
- 239000000463 material Substances 0.000 claims abstract description 27
- 238000000576 coating method Methods 0.000 claims abstract description 21
- 230000002787 reinforcement Effects 0.000 claims abstract description 18
- 239000011248 coating agent Substances 0.000 claims abstract description 17
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910052731 fluorine Inorganic materials 0.000 claims abstract description 10
- 239000011737 fluorine Substances 0.000 claims abstract description 10
- 238000001125 extrusion Methods 0.000 claims abstract description 8
- 238000009954 braiding Methods 0.000 claims abstract description 5
- 229910052755 nonmetal Inorganic materials 0.000 claims abstract description 3
- 229920006231 aramid fiber Polymers 0.000 claims description 4
- -1 polyparaphenylene Polymers 0.000 claims description 4
- PEPBFCOIJRULGJ-UHFFFAOYSA-N 3h-1,2,3-benzodioxazole Chemical compound C1=CC=C2NOOC2=C1 PEPBFCOIJRULGJ-UHFFFAOYSA-N 0.000 claims description 3
- 229920000265 Polyparaphenylene Polymers 0.000 claims description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims 1
- 229920002125 Sokalan® Polymers 0.000 claims 1
- 239000004584 polyacrylic acid Substances 0.000 claims 1
- 229920000728 polyester Polymers 0.000 claims 1
- 238000005452 bending Methods 0.000 abstract description 10
- 229920000058 polyacrylate Polymers 0.000 abstract description 5
- 239000012779 reinforcing material Substances 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 2
- 230000003139 buffering effect Effects 0.000 abstract 4
- 230000003014 reinforcing effect Effects 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 4
- 229940070721 polyacrylate Drugs 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 230000001988 toxicity Effects 0.000 description 3
- 231100000419 toxicity Toxicity 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 238000009941 weaving Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 229920000840 ethylene tetrafluoroethylene copolymer Polymers 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229920002313 fluoropolymer Polymers 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
Landscapes
- Insulated Conductors (AREA)
Abstract
The utility model discloses a radiation resistant and high-and-low temperature resistant optical cable for spaceflight. The radiation resistant and high-and-low temperature resistant optical cable for spaceflight includes an optical fiber, a tight wrapping buffering layer, a reinforcing material layer and an outer sheath which are arranged from inside to outside in a wrapping manner sequentially; the optical fiber is an irradiation resistant optical fiber; the optical fiber is wrapped with an optical fiber coating which is made of a high-and-low temperature resistant polyacrylate coating; the tight wrapping buffering layer wraps the optical fiber coating and is made of a high-and-low temperature resistant fluorine material tight wrapping layer; the reinforcing material layer wraps the tight wrapping buffering layer and is a uniform and compact meshy braided reinforcing layer which is formed through braiding a plurality of strands of radiation resistant, high-and-low temperature resistant and high-strength non-metal continuous reinforcement fibers; and the outer sheath is formed on the reinforcing material layer through extrusion molding and is a thin-wall and high-and-low temperature resistant fluorine material outer sheath. According to the radiation resistant and high-and-low temperature resistant optical cable for spaceflight of the utility model, different layers of materials which realizes buffering protection and reinforcement of the optical fiber can satisfy requirements of expansion coefficient matching, and therefore, a micro bending effect can be effectively prevented.
Description
Technical field
The utility model relates to a kind of optical cable, relates in particular to a kind of radiation hardness, high-low temperature resistant optical cable.
Background technology
The successful realization of China's manned space flight, lunar exploration activity continues, manned space station, survey of deep space project will start in succession, be subject to the requirement of aircraft load and complex communication performance, the transfer element of the characteristics such as its data transmission system is light in the urgent need to quality, transfer rate is high, transmission capacity is large, electromagnetic compatibility is strong, radiation hardness, high-low temperature resistant.Aspect load, volume capacity, data capacity and Electro Magnetic Compatibility, the cable that tradition aerospacecraft adopts almost can not be realized, and make full use of lightweight, volume is little, be easy to the space flight high-low temperature resistant of the resistance to irradiation optical cable that the optical fiber of the transmission such as the system integration, anti-electromagnetic interference (EMI) advantage is made, can effectively address these problems.
Space flight with the high-low temperature resistant of resistance to irradiation optical cable be a kind of can be used for existing radiation and extremely under the particular surroundings such as high low temperature as the transmission medium of the measurements such as voice, data, Graphics/Image and control signal, as critical transmissions element, be mainly used in interconnected in the inner networking of satellite, airship, space station, deep space probe and above deck equipment and cabin, realize point-to-point signal high-speed transfer.It adopts the optical fiber with low-loss feature to carry out the transmission of signal, can significantly reduce loss, realizes the high speed real-time Transmission of Large Volume Data.
According to the request for utilization of space environment, optical cable is little, lightweight and have certain tensile strength except asking size, on environmental suitability, must there is on the one hand the characteristic of resistance to extremely high low temperature, can bear the impact that aerospacecraft causes signal transmission performance in the long-term constantly change procedure of extreme temperature; On the other hand, under space environment, optical cable can be subject to the radiation of certain irradiation dose, under radiation environment, optical cable transmission performance can decay, therefore must ensure still can meet request for utilization under additional induced loss that optical cable causes at irradiation, aspect the space environment adaptability such as thermovacuum, vacuum outgas, inflammability, material toxicity, also must meet the demands simultaneously.
Publication number is that the Chinese patent " high temperature resistant, radiation hardness optical cable for communication " of CN202256797U discloses a kind of cable configuration, its design is by optical fiber wrapped polytetrafluoroethylene film layer, carbon fiber enhancement Layer in turn outward, and use radioresistance fluoroplastic oversheath, outer field four-layer structure is arrived at formation center, thereby optical cable for communication high temperature resistant, high radiation is provided.But, in the optical cable of all this radiation hardness described above, high-low temperature resistant, conventionally adopt tight-buffered structure and optical fiber loose tube structure.In tight-buffered structure, in optical cable, material thermal expansion coefficient does not mate the sharp increase that can cause fiber microbending loss under high/low temperature condition; The direct loose sleeve pipe of extrusion molding optical fiber outside of pine sleeve structure, be subject to the impact of loose casing inner diameter degree of uniformity, in the time of big-length extrusion molding, between optical fiber and loose sleeve pipe, easily cause adhesion, optical fiber excess length is difficult to control, cause cost higher, and have the shortcomings such as the microbending loss of optical fiber under process loss and high and low temperature environment is larger.The bending resistance of irradiation resistant fiber is poor, after stranding, under high and low temperature environment, added losses are large, but, optical fiber added losses are greatly due to micro-curved causing under high and low temperature environment for optical cable, and the factor that causes optical fiber micro-bending is mainly that tight buffer layer is not mated with the expansion coefficient between fibre coating material, reinforcing material and jacket material.
In addition, while use in spacecraft due to optical cable, be subject to the restriction of equipment volume size, inevitably it will be connected with signal processing system with certain bending radius, term bend radius is 50mm, short-term is only 30mm, while particularly wiring, can bear compared with small-bend radius, and the external diameter of optical cable is 1.8mm, according to standard-required, its bending radius should not exceed the index of 36mm, exceedes this index, and optical cable internal optical fiber will produce very large additional optical loss.
Therefore, need a kind of novel cable configuration, solve the excessive problem of fiber transmission attenuation under high temperature, low temperature environment simultaneously, meet the good requirements of space environment adaptability such as irradiation, thermovacuum, material toxicity, vacuum outgas simultaneously.
Utility model content
In order to solve the problems of the technologies described above, the utility model provides a kind of radiation hardness, high-low temperature resistant optical cable for space flight, and it is followed successively by optical fiber, tight buffer layer, layers of reinforcement, oversheath from inside to outside.
Described optical fiber is irradiation resistant fiber, and described fiber outer layer is coated with fibre coating, and its material adopts high-low temperature resistant polyacrylate coatings;
Described tight buffer layer is coated on described fibre coating, and it adopts the fluorine material hard-pressed bale layer of high-low temperature resistant;
Described layers of reinforcement is wrapped in described tight buffer layer, for multiply has the netted braiding enhancement layer of the even compact that the nonmetal continuous fortifying fibre of high strength of resistance to irradiation, high and low temperature resistance is woven into;
Described oversheath extrusion moulding, in described layers of reinforcement, is the fluorine material oversheath of thin-walled high-low temperature resistant.
Preferably, the fiber selection radiation hardness high-low temperature resistant optical fiber in the utility model.
Preferably, the fibre coating in the utility model adopts polyacrylate coatings.
Preferably, layers of reinforcement of the present utility model adopts aramid fiber, and adopts 16 strands of even weaving manners, makes each strand of yarn form three-dimensional netted decussate texture.
The layers of material thermal expansivity that the utility model is selected is listed as follows:
Thermal expansivity between the material that described fibre coating material, layers of reinforcement and oversheath adopt as shown above, thermal expansivity is close, therefore under hot environment, once there is thermal expansion, between layers of material, can not cause adhesion, effectively prevent optical fiber micro-bending.
The utility model carries out meeting between the different layers material of buffer protection and enhancing the requirement of expansion coefficient coupling to optical fiber; effectively improve the high and low temperature resistance of intensity and the optical cable entirety of optical fiber; the bending resistance of optical cable can meet for a long time and short-term is used under harsh bending condition; and the additional optical loss that ensures optical fiber remains on a very low scope, meet the demand to optical cable lower added loss under extreme temperature environment.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail:
As shown in Figure 1, the high-low temperature resistant of the present embodiment, the optical cable of resistance to irradiation, mainly by optical fiber 1, be coated on tight buffer layer 2 on optical fiber 1, be coated on layers of reinforcement 3 in tight buffer layer 2 and in layers of reinforcement 3 oversheath 4 of extrusion moulding form.
Tight buffer layer 2 comprises fibre coating 5 and tight buffer layer, and fibre coating 5 adopts flexible double high-low temperature resistant light-solidifying poly acrylate, and tight buffer layer is coated on outside fibre coating 5, adopts the good ethylene-tetrafluoroethylene copolymer ETFE of pliability.
Layers of reinforcement 3 weaves the hollow net forming for high strength nonmetallic materials, it is chosen aramid fiber and adopts 16 strands of even weaving manners, and make each strand of yarn form three-dimensional netted decussate texture, adopt xsect internal layer and the outer similar circle that is all many arcuate surface laminatings of the hollow net of this weaving method, the internal layer of this net and skin are fitted with tight buffer layer and oversheath respectively, the surface of multiple arcuate surface laminatings increases net and tight buffer layer and external sheath layer friction force, make net reduce twisting, keep stable, can ensure that internal optical fiber is fixed well.
Layers of reinforcement 3 in the present embodiment can also adopt PBO (polyparaphenylene's benzo dioxazole) fiber or the high mould fortifying fibre braiding of novel high-strength.
In the present embodiment, the expansion coefficient coupling of fibre coating material, reinforcing material and the jacket material of selecting, the technological approaches such as, braiding enhancing, thin-walled fluorine oversheath extrusion molding tight-buffered by high temperature, optical fiber added losses under extreme high/low temperature condition are effectively controlled, ensure that optical fiber has lower and stable loss under the condition such as irradiation, high low temperature.
The fiber optic cable manufacture method of the present embodiment comprises the following steps:
High-low temperature resistant polyacrylate fibre coating 5 is coated on outside radiation hardness high-low temperature resistant optical fiber 1;
Coated fluorine material hard-pressed bale layer is as tight buffer layer 2;
The netted braid of the even compact being woven at the outer wrapped aramid fiber of tight buffer layer 2 or PBO (polyparaphenylene's benzo dioxazole) fiber or the high mould fortifying fibre of novel high-strength, as layers of reinforcement 3;
At the outer extrusion molding fluorine of layers of reinforcement 3 material as oversheath 4.
The optical cable of the present embodiment has the low (α of attenuation constant
1310nm≤ 0.5dB/km), the advantage such as tensile strength high (>200N), good bending property (bending radius is 50mm), resistance to irradiation (200krad (Si)) and high-low temperature resistant (65 DEG C～150 DEG C), and meet the manned space flight medical requirement such as thermal vacuum gassing, material toxicity.
Above embodiment is described preferred implementation of the present utility model; not scope of the present utility model is limited; do not departing under the prerequisite of the utility model design spirit; various distortion and improvement that the common engineering technical personnel in this area make the technical solution of the utility model, all should fall in the definite protection domain of claims of the present utility model.
Claims (2)
1. a radiation hardness for space flight, high-low temperature resistant optical cable are followed successively by optical fiber, tight buffer layer, layers of reinforcement, oversheath from inside to outside; It is characterized in that,
Described optical fiber is irradiation resistant fiber, and described fiber outer layer is coated with fibre coating, and its material adopts high-low temperature resistant acrylate coatings;
Described tight buffer layer is coated on described fibre coating, and it adopts the fluorine material hard-pressed bale layer of high-low temperature resistant;
Described layers of reinforcement is wrapped in described tight buffer layer, for multiply has the netted braiding enhancement layer of the even compact that the nonmetal continuous fortifying fibre of high strength of resistance to irradiation, high and low temperature resistance is woven into;
Described oversheath extrusion moulding, in described layers of reinforcement, is the fluorine material oversheath of thin-walled high-low temperature resistant.
2. radiation hardness, high-low temperature resistant optical cable for space flight according to claim 1, is characterized in that,
Described fiber selection radiation hardness high-low temperature resistant optical fiber;
Described tight buffer layer and oversheath adopt fluorine material;
Described fibre coating adopts polyacrylic acid polyester coatings;
Described layers of reinforcement adopts aramid fiber PBO (polyparaphenylene's benzo dioxazole) fiber or the high mould fortifying fibre of novel high-strength;
The matched coefficients of thermal expansion of the above-mentioned material that described fibre coating, layers of reinforcement, tight buffer layer adopt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420216838.XU CN203858395U (en) | 2014-04-29 | 2014-04-29 | Radiation resistant and high-and-low temperature resistant optical cable for spaceflight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420216838.XU CN203858395U (en) | 2014-04-29 | 2014-04-29 | Radiation resistant and high-and-low temperature resistant optical cable for spaceflight |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203858395U true CN203858395U (en) | 2014-10-01 |
Family
ID=51608239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420216838.XU Expired - Lifetime CN203858395U (en) | 2014-04-29 | 2014-04-29 | Radiation resistant and high-and-low temperature resistant optical cable for spaceflight |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203858395U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN110045471A (en) * | 2019-04-15 | 2019-07-23 | 北京航天控制仪器研究所 | A kind of space use up soft and slender property irradiation protective case and preparation method thereof |
| CN111487733A (en) * | 2020-04-23 | 2020-08-04 | 熊洪清 | Anti-freezing heat-preservation type optical cable in extremely cold weather |
-
2014
- 2014-04-29 CN CN201420216838.XU patent/CN203858395U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN110045471A (en) * | 2019-04-15 | 2019-07-23 | 北京航天控制仪器研究所 | A kind of space use up soft and slender property irradiation protective case and preparation method thereof |
| CN111487733A (en) * | 2020-04-23 | 2020-08-04 | 熊洪清 | Anti-freezing heat-preservation type optical cable in extremely cold weather |
| CN111487733B (en) * | 2020-04-23 | 2022-03-29 | 江苏科信光电科技有限公司 | Anti-freezing heat-preservation type optical cable in extremely cold weather |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103926668A (en) | Optical cable with radiation resistance function and high and low temperature resistance function and for spaceflight and manufacturing method thereof | |
| CN203858395U (en) | Radiation resistant and high-and-low temperature resistant optical cable for spaceflight | |
| CN101957484A (en) | Tightly packaged fiber, and dual-core indoor cable and processing method thereof | |
| CN104730660B (en) | Multicore Flouride-resistani acid phesphatase optical cable and its manufacture craft | |
| CN105929503B (en) | Loose-sleeve lapping reinforced buffer type flexible irradiation-resistant optical cable and manufacturing method thereof | |
| CN203587863U (en) | Air-blowing minisize layer-stranding cable | |
| US9557510B2 (en) | Rugged micromodule cable | |
| CN109581605B (en) | Multi-core optical fiber bundle cable and manufacturing method thereof | |
| CN100420971C (en) | Buried full medium optical cable | |
| CN201051166Y (en) | Enhanced indoor and outdoor armored soft optical cable | |
| CN217425764U (en) | Light high-temperature-resistant optical cable | |
| CN204556919U (en) | Multicore Flouride-resistani acid phesphatase optical cable | |
| CN216848266U (en) | Aerospace special optical cable | |
| CN201477251U (en) | Optical fiber cable with fiber tightly packaged | |
| CN203825262U (en) | Enhanced flame-retardant field cable | |
| CN201096933Y (en) | A non-metal outdoor inside and outside armoured soft cable | |
| CN205941995U (en) | Ribbon optical fiber for space flight | |
| CN209265042U (en) | A kind of branched cable of the sub- cable of small size | |
| CN201845116U (en) | Multi-core indoor optical cable | |
| CN111856676A (en) | Novel field operation optical cable | |
| CN111624718A (en) | Phase-stabilized optical cable | |
| CN214895945U (en) | Optical fiber guidance wire | |
| CN114047584A (en) | Light high-temperature-resistant optical cable and preparation method thereof | |
| CN208506321U (en) | A kind of soft flexible fibre ribbon circle inside cable | |
| CN203825256U (en) | Central tube type PC oil filled bushing optical fiber ribbon cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141001 |