CN201477251U - Optical fiber cable with fiber tightly packaged - Google Patents
Optical fiber cable with fiber tightly packaged Download PDFInfo
- Publication number
- CN201477251U CN201477251U CN2009201872613U CN200920187261U CN201477251U CN 201477251 U CN201477251 U CN 201477251U CN 2009201872613 U CN2009201872613 U CN 2009201872613U CN 200920187261 U CN200920187261 U CN 200920187261U CN 201477251 U CN201477251 U CN 201477251U
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- CN
- China
- Prior art keywords
- fiber
- tightly packaged
- optical
- optical fiber
- core
- 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
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- 239000000835 fiber Substances 0.000 title claims abstract description 50
- 239000013307 optical fiber Substances 0.000 title claims abstract description 27
- 229920002620 polyvinyl fluoride Polymers 0.000 claims abstract description 11
- 239000011248 coating agent Substances 0.000 claims abstract description 9
- 238000000576 coating method Methods 0.000 claims abstract description 9
- 238000003848 UV Light-Curing Methods 0.000 claims description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 abstract description 13
- 238000005253 cladding Methods 0.000 abstract description 3
- 238000004806 packaging method and process Methods 0.000 abstract description 2
- 239000011347 resin Substances 0.000 abstract 2
- 229920005989 resin Polymers 0.000 abstract 2
- 239000004925 Acrylic resin Substances 0.000 abstract 1
- 229920000178 Acrylic resin Polymers 0.000 abstract 1
- 239000004809 Teflon Substances 0.000 description 4
- 229920006362 Teflon® Polymers 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 4
- 229920006231 aramid fiber Polymers 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 229920000840 ethylene tetrafluoroethylene copolymer Polymers 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Landscapes
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
Abstract
The utility model relates to an optical fiber cable with fiber tightly packaged, which comprises a fiber core positioned at the center of the optical fiber; the fiber core is provided with a cladding outside; the cladding is coated with a resin coating outside; the coating tightly packaged with a protection layer; the resin coating is made of UV cured acrylic resin; and the tightly packaged protection layer is made of polyvinyl fluoride. The optical fiber cable with fiber tightly packaged can be used as internal linking lines of various optical equipments, optical modules and optical distribution frames, has the advantages of small volume, light weight, high packaging density, stable performance, low cost and the like. The tightly packaged fiber can be further assembled into dual-core and various multi-core indoor optical cables, thus greatly reducing the requirement on a cabling machine and environment protection, and being capable of greatly simplifying the structure of indoor cables.
Description
Technical field
The utility model relates to the optical fiber cable of optical fiber communication, relates in particular to a kind of tightly packaged fiber optical cable.
Background technology
Traditional tightly packaged fiber is to squeeze into one deck hard-pressed bale protective layer (soft PVC or polyester etc.) at optical fiber (comprising the coating of external diameter by 0.25mm) external application extrusion process to be constituted as cushion (buffer).The tightly packaged fiber external diameter is generally 0.9mm.Tightly packaged fiber is the elementary cell that constitutes optical patchcord, tail optical fiber and various inside cables.Strengthen with aramid fiber with this tightly packaged fiber, the single fiber cable of squeezing into PVC or flame-retardant polyolefin sheathed formation again can combine various optical patchcords or tail optical fiber with the various joints of optical fibre.Tightly packaged fiber also can constitute twin-core and multifiber cable, is mainly used in all kinds of indoor connections and optical distribution cable.Along with the development of FTTH technology, the application of tightly packaged fiber also enlarges day by day.
The protective seam of traditional tightly packaged fiber (soft PVC or polyester etc.) is the cushion (buffer) of optical fiber in fact just; on mechanical property, can not carry out the essence protection to optical fiber; thereby must be as above-mentioned single fiber cable; carry out machinery and environmental protection with additional an anti-material (as materials such as aramid fibers) and sheath, could independently use.
The utility model content
The technical problems to be solved in the utility model is: a kind of tightly packaged fiber optical cable of simplifying optical fiber cable structure, stable performance is provided.
In order to overcome the defective that exists in the background technology, the technical scheme that its technical matters that solves the utility model adopts is: a kind of tightly packaged fiber, comprise the fibre core that is positioned at fiber optic hub, this fibre core arranged outside has a covering, described covering is coated with resinous coat outward, the outer hard-pressed bale sheath of described coating, described resinous coat is a UV curing acrylic resinous coat, described hard-pressed bale sheath is a polyvinyl fluoride.
According to another embodiment of the present utility model, a kind of tightly packaged fiber comprises that further described optical fiber is single-mode fiber or multimode optical fiber.
According to another embodiment of the present utility model, a kind of tightly packaged fiber comprises that further described fibre diameter is at least 0.9mm.
According to another embodiment of the present utility model, a kind of tightly packaged fiber comprises that further described coating thickness is 0.2-0.4mm.
The utility model has solved the defective that exists in the background technology; the utility model is that modern optical fiber is combined with the thermoplastics of the best in the world with polyvinyl fluoride as buffering, the tightly packaged fiber that strengthens sheath; make tightly packaged fiber itself have enough machinery and environmental protection ability; and need not additional machinery and environmental protection ability independent utility must be arranged as traditional tightly packaged fiber.Its mechanical property comprises that tensile strength and bending property have obtained large increase.Thereby, the utility model can directly use as single fiber cable fully with the tightly packaged fiber of polyvinyl fluoride as buffering, enhancing sheath, with it and miniature fiber connectors such as LC or MU match (the fiber stub external diameter is 1.25mm), form light-duty optical patchcord or tail optical fiber, as the interconnect of various light devices, optical module and Optical Distribution Frame, it is little to have a volume, in light weight, the packaging density height, stable performance, advantage such as with low cost.Tightly packaged fiber of the present utility model also can further be formed twin-core and various multicore inside cable, and is at this moment, much lower to the machinery and the requirement on environmental protection of stranding.Can simplify the structure of inside cable greatly.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is the structural representation of preferred embodiment of the present utility model;
Embodiment
With preferred embodiment the utility model is described in further detail in conjunction with the accompanying drawings now.These accompanying drawings are the synoptic diagram of simplification, basic structure of the present utility model only is described in a schematic way, so it only show the formation relevant with the utility model.
As shown in Figure 1, wherein, 1 is fiber core, and 2 is fibre cladding, and 3 is optical fiber UV curing acrylic resinous coat, and 4 is the polyvinyl fluoride sheath.The utility model is to squeeze into one deck polyvinyl fluoride plastics at optical fiber (comprising that external diameter is the coating of 0.25mm) external application extrusion process, and the tightly packaged fiber external diameter is generally, but is not limited to 0.9mm.The optical fiber that adopts can be single-mode fiber, also can be multimode optical fiber, and both external diameters are 125 μ m, and the single-mode fiber core diameter is 8.3 μ m, and the multimode optical fiber core diameter is 50 or 62.5 μ m.Tightly packaged fiber structure of the present utility model also can adopt other various special multimode optical fibers.
Polyvinyl fluoride is an ethylene-tetrafluoroethylene copolymer in the utility model, when it had both kept good heat-resisting, chemical-resistance of teflon and electrical insulation capability, radiation hardness and mechanical property have significantly to be improved, and pulling strengrth can reach 50MPa, near 2 times of teflon.Main is that its processing characteristics is greatly improved, and can adopt the job operation machine-shaping of common thermoplastics.And teflon can only be with powder stock or film wrapped after, in the sintering temperature moulding that is higher than 400 ℃, this processing mode is infeasible fully on optical fiber.
The long-term serviceability temperature of polyvinyl fluoride is-80 ℃～220 ℃, and remarkable chemical resistance is arranged, and its creep resistance and compression strenght are all good than teflon, the pulling strengrth height, and length growth rate can reach 100-300%.Dielectricity is good, the radiation resistance excellence.Especially the linear expansion coefficient of polyvinyl fluoride is minimum in the plastics, thereby makes polyvinyl fluoride become the padded coaming of optical fiber the best.
With above-mentioned foundation desirable embodiment of the present utility model is enlightenment, and by above-mentioned description, the related work personnel can carry out various change and modification fully in the scope that does not depart from this utility model technological thought.The technical scope of this utility model is not limited to the content on the instructions, must determine its technical scope according to the claim scope.
Claims (4)
1. a tightly packaged fiber comprises the fibre core that is positioned at fiber optic hub, and this fibre core arranged outside has a covering, described covering is coated with resinous coat outward, the outer hard-pressed bale sheath of described coating, it is characterized in that: described resinous coat is a UV curing acrylic resinous coat, and described hard-pressed bale sheath is a polyvinyl fluoride.
2. a kind of tightly packaged fiber as claimed in claim 1 is characterized in that: described optical fiber is single-mode fiber or multimode optical fiber.
3. a kind of tightly packaged fiber as claimed in claim 1 is characterized in that: described fibre diameter is at least 0.9mm.
4. a kind of tightly packaged fiber as claimed in claim 1 is characterized in that: described coating thickness is 0.2-0.4mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201872613U CN201477251U (en) | 2009-08-31 | 2009-08-31 | Optical fiber cable with fiber tightly packaged |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201872613U CN201477251U (en) | 2009-08-31 | 2009-08-31 | Optical fiber cable with fiber tightly packaged |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201477251U true CN201477251U (en) | 2010-05-19 |
Family
ID=42413503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201872613U Expired - Lifetime CN201477251U (en) | 2009-08-31 | 2009-08-31 | Optical fiber cable with fiber tightly packaged |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201477251U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101957484A (en) * | 2010-10-29 | 2011-01-26 | 江苏通鼎光电股份有限公司 | Tightly packaged fiber, and dual-core indoor cable and processing method thereof |
| CN105242368A (en) * | 2015-11-23 | 2016-01-13 | 江苏亨通光电股份有限公司 | Novel guidance optical cable and manufacturing method thereof |
| CN110426778A (en) * | 2019-07-23 | 2019-11-08 | 西安和其光电科技股份有限公司 | A kind of high-temperature oil resistance large-numerical aperture optical fiber and preparation method thereof |
| CN119395843A (en) * | 2025-01-06 | 2025-02-07 | 南京盛略科技有限公司 | A high-strength composite special optical fiber |
-
2009
- 2009-08-31 CN CN2009201872613U patent/CN201477251U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101957484A (en) * | 2010-10-29 | 2011-01-26 | 江苏通鼎光电股份有限公司 | Tightly packaged fiber, and dual-core indoor cable and processing method thereof |
| CN105242368A (en) * | 2015-11-23 | 2016-01-13 | 江苏亨通光电股份有限公司 | Novel guidance optical cable and manufacturing method thereof |
| WO2017088630A1 (en) * | 2015-11-23 | 2017-06-01 | 江苏亨通光电股份有限公司 | Novel guidance optical cable and preparation method therefor |
| CN110426778A (en) * | 2019-07-23 | 2019-11-08 | 西安和其光电科技股份有限公司 | A kind of high-temperature oil resistance large-numerical aperture optical fiber and preparation method thereof |
| CN119395843A (en) * | 2025-01-06 | 2025-02-07 | 南京盛略科技有限公司 | A high-strength composite special optical fiber |
| CN119395843B (en) * | 2025-01-06 | 2025-08-22 | 南京盛略科技有限公司 | A high-strength composite special optical fiber |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20100827 Address after: 213104 Cen Cun road, Luoyang Town, Wujin District, Changzhou Patentee after: Jiangsu Nanfang Communications Technology Co., Ltd. Address before: 213104 Cen Cun road, Luoyang Town, Wujin District, Jiangsu, Changzhou Patentee before: Changzhou Southern Communication Technology Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20100519 |
|
| CX01 | Expiry of patent term |