CN112782818A - Easy-to-peel flat branch remote optical cable - Google Patents
Easy-to-peel flat branch remote optical cable Download PDFInfo
- Publication number
- CN112782818A CN112782818A CN202011550688.2A CN202011550688A CN112782818A CN 112782818 A CN112782818 A CN 112782818A CN 202011550688 A CN202011550688 A CN 202011550688A CN 112782818 A CN112782818 A CN 112782818A
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- Prior art keywords
- flat
- peel
- easy
- central reinforcement
- cable
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- 230000003287 optical effect Effects 0.000 title claims abstract description 26
- 230000002787 reinforcement Effects 0.000 claims abstract description 21
- 239000011248 coating agent Substances 0.000 claims abstract description 10
- 238000000576 coating method Methods 0.000 claims abstract description 10
- 238000005253 cladding Methods 0.000 claims abstract description 5
- 239000013307 optical fiber Substances 0.000 claims description 17
- 239000000835 fiber Substances 0.000 claims description 9
- 229920006231 aramid fiber Polymers 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 239000004576 sand Substances 0.000 claims description 4
- 230000006835 compression Effects 0.000 abstract description 7
- 238000007906 compression Methods 0.000 abstract description 7
- 230000005855 radiation Effects 0.000 abstract description 3
- 230000003014 reinforcing effect Effects 0.000 description 9
- 238000010276 construction Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Images
Classifications
-
- 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
- G02B6/4415—Cables for special applications
- G02B6/4427—Pressure resistant cables, e.g. undersea cables
-
- 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
- G02B6/4432—Protective covering with fibre reinforcements
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
The invention provides an easy-to-peel flat branch remote optical cable which meets the mechanical environment performances of tensile resistance, compression resistance, flatness resistance, radiation resistance and long service life, and can meet the requirements of outdoor remote use and indoor wiring use. It includes central reinforcement, the both sides of central reinforcement are provided with a light unit respectively, two light units with central reinforcement forms the straight line under the cross section state and arranges, two light units with the periphery cladding of central reinforcement has flat restrictive coating, be provided with the groove of shelling of opening of a plurality of indents in the periphery of flat restrictive coating.
Description
Technical Field
The invention relates to the technical field of optical cable structures, in particular to an easy-to-peel flat branch remote optical cable.
Background
The optical fiber cable industry is used as an important component of electronic communication and makes a great contribution to the development of national economy, the optical fiber cable industry promotes the system effect of the electronic information industry, the foundation of the communication field of China is tamped along with the development of the optical fiber cable industry, and the optical fiber cable industry becomes an important support for the adoption, three-network integration, large-scale 4G construction and 5G exploration of FTTH and FTTA systems of China.
The existing remote optical cable and branch optical cable generally adopt a subunit and filling rope reinforcing structure, a spiral stranding mode is adopted in structural design, the production process is more limited by equipment, and the optical cable generally uses a large amount of aramid fiber as a bearing element and has higher cost.
Disclosure of Invention
Aiming at the problems, the invention provides an easy-to-peel flat branch remote optical cable which meets the mechanical environment performances of tensile resistance, compression resistance, radiation resistance and long service life, and can meet the requirements of outdoor remote use and indoor wiring use.
The utility model provides an easy-to-peel flat branch optical cable that zooms out which characterized in that: it includes central reinforcement, the both sides of central reinforcement are provided with a light unit respectively, two light units with central reinforcement forms the straight line under the cross section state and arranges, two light units with the periphery cladding of central reinforcement has flat restrictive coating, be provided with the groove of shelling of opening of a plurality of indents in the periphery of flat restrictive coating.
It is further characterized in that:
the outer diameter of the central reinforcing member is the same as the outer diameters of the light units on the two sides, so that the three units form an integral structure with consistent thickness;
the central reinforcing piece comprises a central FRP reinforcing piece and a peripheral sheath layer;
the center of the optical unit is an optical fiber arrangement area, the periphery of the optical fiber arrangement area is sequentially coated with an aramid fiber sand layer and an inner sheath layer, and the inner sheath layer is made of an LSZH sheath material;
the optical fiber arrangement area is specifically a plurality of bare fibers or a single tight-buffered fiber;
the flat sheath layer is formed by extruding anti-adhesion LSZH sheath materials, and the peripheral area of the flat sheath layer, corresponding to the light units on the two sides, is of an arc structure.
After the optical fiber cable is adopted, the structure is simple, the outer diameter is small, the stripping groove is designed, the construction efficiency is improved, and the optical fiber cable can be used as a remote beam cable and a branch optical cable and is easy to popularize in the market; the method has the advantages that under the condition of meeting the laying environment of the traditional remote optical cable, according to the application environment, the cheap FRP reinforcing piece is used for replacing part of aramid fiber yarns to serve as a main bearing element, the product cost is economical, and the assistance is provided for the popularization and application of the product; the optical cable is flat in structure, adopts double-layer sheaths, is compact in structure, has superior compression resistance and environmental performance, and can meet the compression resistance of more than 4000N/100mm and the application environment of-40-85C; the cable meets the mechanical environment performances of tensile resistance, compression resistance, flattening resistance, radiation resistance and long service life, and can meet the requirements of outdoor remote use and indoor wiring use.
Drawings
FIG. 1 is a cross-sectional structural schematic view of an embodiment of the present invention;
the names corresponding to the sequence numbers in the figure are as follows:
the optical fiber cable sheath comprises a central reinforcing part 1, a central FRP reinforcing part 11, a sheath layer 12, an optical unit 2, an aramid fiber sand layer 21, an inner sheath layer 22, a single optical fiber 23, a tight-loop layer 24, a flat sheath layer 3 and stripping grooves 4.
Detailed Description
An easy-to-peel flat branch remote cable, which is shown in figure 1: it includes central reinforcement 1, and the both sides of central reinforcement 1 are provided with a light unit 2 respectively, and two light units 2 and central reinforcement 1 form the straight line under the cross sectional state and arrange, and the periphery cladding of two light units 2 and central reinforcement 1 has flat restrictive coating 3, is provided with the groove 4 of shelling of opening of a plurality of indents in flat restrictive coating 3's the periphery.
The outer diameter of the central reinforcing member 1 is the same as the outer diameters of the light units 2 at both sides, so that the three units form an integral structure with uniform thickness;
the central reinforcement 1 comprises a central FRP reinforcement 11 and a peripheral sheath layer 12;
the center of the optical unit 2 is an optical fiber arrangement area, the periphery of the optical fiber arrangement area is sequentially coated with an aramid fiber sand layer 21 and an inner sheath layer 22, and the inner sheath layer 22 is made of an LSZH sheath material;
the optical fiber arrangement area is specifically a plurality of bare fibers or a single tight-sleeved fiber; in the specific embodiment, see fig. 1, the fiber routing region includes individual optical fibers 23 and a peripheral tight-buffered layer 24.
The flat sheath layer 3 is formed by extruding anti-adhesion LSZH sheath materials, and the peripheral regions of the flat sheath layer 3, corresponding to the light units 2 on the two sides, are of circular arc structures.
The structure is simple, the outer diameter is small, stripping grooves are designed, the construction efficiency is improved, and the optical fiber cable can be used as a remote beam cable and a branch optical cable and is easy to popularize in the market; the method has the advantages that under the condition of meeting the laying environment of the traditional remote optical cable, according to the application environment, the cheap FRP reinforcing piece is used for replacing part of aramid fiber yarns to serve as a main bearing element, the product cost is economical, and the assistance is provided for the popularization and application of the product; the optical cable is flat in structure, adopts double-layer sheaths, is compact in structure, has excellent compression resistance and environmental performance, and can meet the compression resistance of more than 4000N/100mm and the application environment of-40-85C.
The optical cable adopts a central reinforcement as a force bearing element to replace a filling rope of the traditional remote optical cable as a cost reduction measure; it is provided with the groove of shelling of a plurality of indents, adopts anti-adhesion LSZ material sheath simultaneously on the periphery of flat restrictive coating, and the branch is easily torn to the optical cable, and the construction is high-efficient, and its optical unit single core optical cable or MPO optical cable are as the branch, can satisfy outdoor the use of zooming out and can satisfy the use of indoor wiring again.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides an easy-to-peel flat branch optical cable that zooms out which characterized in that: it includes central reinforcement, the both sides of central reinforcement are provided with a light unit respectively, two light units with central reinforcement forms the straight line under the cross section state and arranges, two light units with the periphery cladding of central reinforcement has flat restrictive coating, be provided with the groove of shelling of opening of a plurality of indents in the periphery of flat restrictive coating.
2. An easy-to-peel flat branch pulling cable as claimed in claim 1, wherein the outer diameter of said central strength member and the outer diameters of said light units on both sides are the same, so that the three units form an integral structure having a uniform thickness.
3. An easy-to-peel flat branch remote cable as claimed in claim 1, wherein: the central reinforcement comprises a central FRP reinforcement and a peripheral sheath layer.
4. An easy-to-peel flat branch remote cable as claimed in claim 1, wherein: the center of light unit is optic fibre and arranges the region, optic fibre arranges regional periphery cladding in order has aramid fiber sand layer, inner sheath layer, the concrete material of inner sheath layer is LSZH restrictive coating.
5. An easy-to-peel flat branch remote cable as claimed in claim 4, wherein: the optical fiber arrangement area is specifically a plurality of bare fibers or a single tight-buffered fiber.
6. An easy-to-peel flat branch remote cable as claimed in claim 1, wherein: the flat sheath layer is formed by extruding anti-adhesion LSZH sheath materials, and the peripheral area of the flat sheath layer, corresponding to the light units on the two sides, is of an arc structure.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011550688.2A CN112782818A (en) | 2020-12-24 | 2020-12-24 | Easy-to-peel flat branch remote optical cable |
| PCT/CN2021/133541 WO2022135030A1 (en) | 2020-12-24 | 2021-11-26 | Easy-strip flat-branch long-distance optical cable |
| GB2206211.1A GB2608254A (en) | 2020-12-24 | 2021-11-26 | Easy-strip flat-branch long-distance optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011550688.2A CN112782818A (en) | 2020-12-24 | 2020-12-24 | Easy-to-peel flat branch remote optical cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112782818A true CN112782818A (en) | 2021-05-11 |
Family
ID=75752070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011550688.2A Pending CN112782818A (en) | 2020-12-24 | 2020-12-24 | Easy-to-peel flat branch remote optical cable |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN112782818A (en) |
| WO (1) | WO2022135030A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022135030A1 (en) * | 2020-12-24 | 2022-06-30 | 江苏亨通光电股份有限公司 | Easy-strip flat-branch long-distance optical cable |
| GB2608254A (en) * | 2020-12-24 | 2022-12-28 | Hengtong Optic Electric Co Ltd | Easy-strip flat-branch long-distance optical cable |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202600215U (en) * | 2012-04-10 | 2012-12-12 | 江苏亨通光电股份有限公司 | Flat leading-in optical cable with groove on lateral surface of sheath layer |
| CN203870305U (en) * | 2014-05-06 | 2014-10-08 | 西安西古光通信有限公司 | Elliptical indoor wiring optical cable |
| CN205750010U (en) * | 2016-01-27 | 2016-11-30 | 常德华兰德通信有限公司 | The double Loose tube of central tubular can branching type ribbon optical fiber cable |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3172084B2 (en) * | 1996-03-12 | 2001-06-04 | 日本電信電話株式会社 | Optical flat cable |
| CN201222110Y (en) * | 2008-06-12 | 2009-04-15 | 常州南方通信科技有限公司 | Furcation-easy type covered wire optical cable |
| JP5546412B2 (en) * | 2010-10-07 | 2014-07-09 | 住友電気工業株式会社 | Optical cable |
| CN203084251U (en) * | 2012-12-18 | 2013-07-24 | 江苏法尔胜光通有限公司 | Parallel double-beam tube cable |
| CN112782818A (en) * | 2020-12-24 | 2021-05-11 | 江苏亨通光电股份有限公司 | Easy-to-peel flat branch remote optical cable |
-
2020
- 2020-12-24 CN CN202011550688.2A patent/CN112782818A/en active Pending
-
2021
- 2021-11-26 WO PCT/CN2021/133541 patent/WO2022135030A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202600215U (en) * | 2012-04-10 | 2012-12-12 | 江苏亨通光电股份有限公司 | Flat leading-in optical cable with groove on lateral surface of sheath layer |
| CN203870305U (en) * | 2014-05-06 | 2014-10-08 | 西安西古光通信有限公司 | Elliptical indoor wiring optical cable |
| CN205750010U (en) * | 2016-01-27 | 2016-11-30 | 常德华兰德通信有限公司 | The double Loose tube of central tubular can branching type ribbon optical fiber cable |
Non-Patent Citations (1)
| Title |
|---|
| 陈曲等: "浅谈拉远光缆的设计与制造", 《2014中国通信学会会议论文集》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022135030A1 (en) * | 2020-12-24 | 2022-06-30 | 江苏亨通光电股份有限公司 | Easy-strip flat-branch long-distance optical cable |
| GB2608254A (en) * | 2020-12-24 | 2022-12-28 | Hengtong Optic Electric Co Ltd | Easy-strip flat-branch long-distance optical cable |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022135030A1 (en) | 2022-06-30 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210511 |
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| RJ01 | Rejection of invention patent application after publication |