CN105487186B - A kind of suitable pneumatic transmission and the low friction micro optical cable of poling wiring - Google Patents
A kind of suitable pneumatic transmission and the low friction micro optical cable of poling wiring Download PDFInfo
- Publication number
- CN105487186B CN105487186B CN201610037583.4A CN201610037583A CN105487186B CN 105487186 B CN105487186 B CN 105487186B CN 201610037583 A CN201610037583 A CN 201610037583A CN 105487186 B CN105487186 B CN 105487186B
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- sheath
- optical cable
- cable
- low friction
- low
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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
- G02B6/4432—Protective covering with fibre reinforcements
-
- 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
- G02B6/4439—Auxiliary devices
- G02B6/4459—Ducts; Conduits; Hollow tubes for air blown fibres
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
The invention discloses the low friction micro optical cables that a kind of suitable pneumatic transmission and poling are routed, it is related to communications optical cable technical field, it includes cable core, sheath and sheath successively from inside to outside, the sheath is coated on outside the cable core, the cable core includes several optical fiber and reinforcer, and the jacket outer surface is provided with low-friction coating.A kind of low friction micro optical cable of of the invention suitable pneumatic transmission and poling wiring, including the cable core being made of reinforcer and optical cable, cable core is strapped in sheath, so that cable core has certain rigidity；Jacket outer surface film low friction solution, by heating, cooling and solidifying in jacket outer surface, form one layer of low-friction coating, so that cable surface has low-friction coefficient, optimize air-blowing performance of the optical cable in pipeline, it can also carry out optical cable laying, convenient, simplified operational procedure, save the cost and time in a manner of poling in short distance simultaneously.
Description
Technical field
The present invention relates to communications optical cable technical fields, and in particular to a kind of suitable pneumatic transmission and the low friction of poling wiring are miniature
Optical cable.
Background technique
Optical cable air-blowing laying method, be in such a way that high pressure draught blows by fiber cable laying in the silicone tube of pre-plugged.
Wherein, influence blow cable effect principal element have: the ratio between cable outer diameter and plastic conduit internal diameter, the unit weight of optical cable and
Skin material etc..
Existing optical cable is mainly that optical fiber and plastic protective sleeve and plastic peel are constituted, optical cable in building or it is indoor into
Row is when laying, since the surface roughness of the plastic peel of optical cable is larger, and cable outer diameter and weight is larger is not suitable for carrying out gas
Blow laying.Therefore, optical cable laying is mainly used vertically to lay in vertical shaft and be laid with wire casing level, but both wire laying modes,
It is not only high to the requirement of mechanical strength of optical cable, and presence construction is cumbersome, construction efficiency is low and the higher problem of initial investment.
Summary of the invention
In view of the deficiencies in the prior art, it is routed the purpose of the present invention is to provide a kind of suitable pneumatic transmission and poling
Low friction micro optical cable, rigidity is big, coefficient of friction is low, so that micro optical cable is easier to carry out air-blowing and lays, while also having
The ability that poling is laid, greatly simplifies operational procedure.
To achieve the above objectives, the technical solution adopted by the present invention is that: a kind of suitable pneumatic transmission and the low friction of poling wiring
Micro optical cable, including cable core, sheath and sheath successively from inside to outside, the sheath is coated on outside the cable core, described
Cable core includes several optical fiber, and the jacket outer surface is provided with low-friction coating.
Based on the above technical solution, the cable core further includes reinforcer, the reinforcer be metal reinforcement or
Fibre-reinforced plastics reinforcer.
It based on the above technical solution, is coppered steel wire, phosphating steel wire or galvanized steel when the reinforcer is metal
Silk.
Based on the above technical solution, the optical fiber is 1~24, and the reinforcer is 1~2.
Based on the above technical solution, the jacket inner surface is provided with tearing rope, and the tearing rope is along the light
Fine length direction extends.
Based on the above technical solution, the low-friction coating is that the low friction that solidifies in the jacket outer surface is molten
Liquid.
Based on the above technical solution, the material of the sheath be acrylic resin, nylon, polycarbonate or
PBT material.
Based on the above technical solution, the wall thickness of the low-friction coating is 0.01mm~0.05mm.
Based on the above technical solution, the diameter of the reinforcer is 0.4mm~1mm.
Based on the above technical solution, the wall thickness of the sheath is 0.1mm~0.5mm.
Compared with the prior art, the advantages of the present invention are as follows:
(1) the low friction micro optical cable of of the invention a kind of suitable pneumatic transmission and poling wiring, including by reinforcer and optical cable
The cable core of composition, cable core are strapped in sheath, so that cable core has certain rigidity；It is molten that jacket outer surface smears low friction
Liquid forms one layer of low-friction coating, so that cable surface has low friction system by heating, cooling and solidifying in jacket outer surface
Number is optimized air-blowing performance of the optical cable in pipeline, while can also be carried out optical cable laying in a manner of poling in short distance, side
Just, simplify operational procedure, save the cost and time.
(2) jacket inner surface of the invention settable tearing rope, facilitates sheath stripping, when being constructed, in batches into
Row blows cable, and reduction project just builds up this；When increasing paving optical fiber, blow that cable speed is fast, distance, improve work efficiency, can flexibly into
The micro- cable of row divides it, improves operation and maintenance quality.
(3) material of sheath is acrylic resin, nylon, polycarbonate or PBT material in the present invention, has elasticity extensive
Multiple rate is high, moderate, light, fire-retardant, anti-oxidant, wear-resisting, the light and high electric property advantage of rigidity.
(4) diameter of optical cable of the invention is small compared with general optic cable diameter in the prior art, have that diameter is small, weight is small and
The big advantage of rigidity, convenient for optical cable blow and poling.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
In figure: 1- optical fiber, 2- reinforcer, 3- sheath, 4- sheath, 5- low-friction coating, 6- tear rope.
Specific embodiment
Invention is further described in detail with reference to the accompanying drawings and embodiments.
Shown in Figure 1, the embodiment of the present invention provides the low friction micro optical cable of a kind of suitable pneumatic transmission and poling wiring, packet
Include cable core, sheath 3 and sheath 4 successively from inside to outside, the material of sheath 3 be acrylic resin, nylon, polycarbonate and
One of PBT material, sheath 3 are coated on outside cable core, wherein if sheath coats 2 or 4 optical fiber 1, sheath 3
Outer diameter is 0.85 ± 0.1mm；If coating 6 optical fiber 2, the outer diameter of sheath 3 is 0.9 ± 0.1mm；If coating 8 optical fiber 2,
Then the outer diameter of sheath 3 is 1.1 ± 0.1mm；If cladding 12 optical fiber 2, sheath 3 with a thickness of 1.2 ± 0.1mm；If packet
24 optical fiber 2 are covered, then the outer diameter of sheath 3 is 1.8 ± 0.1mm.
Cable core includes 2 reinforcements of optical fiber 1 and 12, and wherein reinforcer 2 is coppered steel wire, phosphating steel wire, zinc-coated wire
Or fibre-reinforced plastics, wherein the diameter of optical fiber is 200 ± 15 μm or 245 ± 15 μm, and the diameter of reinforcer 2 is according to light
The hardness of cable adjusts, and the diameter of reinforcer 2 is 0.4~1mm, since reinforcer 2 is added, so that cable core has certain rigidity.
The section of sheath 4 is the surface that circle is sheathed on sheath 3, and the wall thickness of sheath 4 is 1.0~2.0mm, sheath 4
Inner surface is provided with tearing rope 6, tears rope 6 and extends along 1 length direction of optical fiber, facilitates 4 stripping of sheath, and 4 outer surface of sheath is smeared
Low-friction coating 5, in 4 outer surface of sheath, forming a layer thickness is that the low of 0.01~0.05mm is rubbed for solidification after heating, cooling down
Rub layer 5, wherein low friction solution is to be with polyethylene, ethylene-vinyl acetate copolymer and polyethylene terephthalate
The nanoscale coating material of substrate, so that the coefficient of friction of cable surface is less than 0.2.
A kind of low friction micro optical cable of of the invention suitable pneumatic transmission and poling wiring has the following characteristics that
1, cable core of the invention includes more colored optical fibers and reinforcer 2, and reinforcer 2 can be coppered steel wire, phosphatization steel
Silk, zinc-coated wire or fibre-reinforced plastics, and sheath 3 fetters colored optical fiber and reinforcer 2 jointly, so that cable core has
Certain rigidity, has good linear type and bending is memoryless, improves the tensile capacity of optical cable
2, sheath 4 of the invention outer surface coat one layer of low-friction coating 5 so that the coefficient of friction of cable surface compared with
It is low, be conducive to air-blowing of the optical cable in pipeline and lay, so that it is easy for construction, reduce initial investment.
3,4 inner surface of sheath of the invention is arranged tearings and restricts 6, pull tearing restrict 6 along cable length direction by sheath 4
It peels off, sheath stripping manually can be completed in one, time saving, laborsaving.
4, optical cable of the invention is if 2~4 cores, then optic cable diameter is 1.5 ± 0.2mm；If 6~8 cores, then optic cable diameter
For 1.8 ± 0.2mm, if 12 cores, then optic cable diameter is 2.0 ± 0.2mm, and if 24 cores, then optic cable diameter is 2.4 ± 0.2mm,
Its diameter is smaller compared with existing optical cable, lighter in weight.
The present invention is not limited to the above-described embodiments, for those skilled in the art, is not departing from
Under the premise of the principle of the invention, several improvements and modifications can also be made, these improvements and modifications are also considered as protection of the invention
Within the scope of.The content being not described in detail in this specification belongs to the prior art well known to professional and technical personnel in the field.
Claims (8)
1. a kind of suitable pneumatic transmission and the low friction micro optical cable of poling wiring, including cable core, sheath (3) successively from inside to outside
With sheath (4), the sheath (3) is coated on outside the cable core, it is characterised in that: the cable core includes several optical fiber (1), institute
It states sheath (4) outer surface to be provided with low-friction coating (5), the wall thickness of the low-friction coating (5) is 0.01mm~0.05mm, institute
Stating low-friction coating (5) is to solidify in the low friction solution of the sheath (4) outer surface, and the low friction solution is with poly- second
Alkene, ethylene-vinyl acetate copolymer and polyethylene terephthalate are the nanoscale coating material of substrate, the low friction
The coefficient of friction of micro optical cable is less than 0.2.
2. a kind of suitable pneumatic transmission as described in claim 1 and the low friction micro optical cable of poling wiring, it is characterised in that: described
Cable core further includes reinforcer (2), and the reinforcer (2) is metal reinforcement or fibre-reinforced plastics reinforcer.
3. a kind of suitable pneumatic transmission as claimed in claim 2 and the low friction micro optical cable of poling wiring, it is characterised in that: described
It is coppered steel wire, phosphating steel wire or zinc-coated wire when reinforcer is metal.
4. a kind of suitable pneumatic transmission as claimed in claim 2 and the low friction micro optical cable of poling wiring, it is characterised in that: described
Optical fiber (1) is 1~24, and the reinforcer (2) is 1~2.
5. a kind of suitable pneumatic transmission as described in claim 1 and the low friction micro optical cable of poling wiring, it is characterised in that: described
Sheath (4) inner surface is provided with tearing rope (6), and the tearing rope (6) extends along the optical fiber (1) length direction.
6. a kind of suitable pneumatic transmission as described in claim 1 and the low friction micro optical cable of poling wiring, it is characterised in that: described
The material of sheath (3) is acrylic resin, nylon, polycarbonate or PBT material.
7. a kind of suitable pneumatic transmission as claimed in claim 2 and the low friction micro optical cable of poling wiring, it is characterised in that: described
The diameter of reinforcer (2) is 0.4mm~1mm.
8. a kind of suitable pneumatic transmission as described in claim 1 and the low friction micro optical cable of poling wiring, it is characterised in that: described
The wall thickness of sheath (4) is 0.1mm~0.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610037583.4A CN105487186B (en) | 2016-01-20 | 2016-01-20 | A kind of suitable pneumatic transmission and the low friction micro optical cable of poling wiring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610037583.4A CN105487186B (en) | 2016-01-20 | 2016-01-20 | A kind of suitable pneumatic transmission and the low friction micro optical cable of poling wiring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105487186A CN105487186A (en) | 2016-04-13 |
| CN105487186B true CN105487186B (en) | 2019-04-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610037583.4A Active CN105487186B (en) | 2016-01-20 | 2016-01-20 | A kind of suitable pneumatic transmission and the low friction micro optical cable of poling wiring |
Country Status (1)
| Country | Link |
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| CN (1) | CN105487186B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105954853B (en) * | 2016-07-21 | 2022-03-01 | 南京华信藤仓光通信有限公司 | Self-laying optical cable and laying method |
| CN108196348A (en) * | 2016-12-02 | 2018-06-22 | 上海哈威新材料技术股份有限公司 | Communications optical cable bundle pipes and the communication pipe including the bundle pipes |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101458380A (en) * | 2008-11-10 | 2009-06-17 | 沈群华 | Layer-twisted allotype reinforced optical cable |
| CN201440181U (en) * | 2009-08-11 | 2010-04-21 | 深圳市特发信息光网科技股份有限公司 | Minitype air-blowing optical cable |
| CN103645552A (en) * | 2013-12-20 | 2014-03-19 | 湖北凯乐科技股份有限公司 | Low-friction blowing tiny cable |
| CN104765117A (en) * | 2015-04-17 | 2015-07-08 | 江苏亨通光电股份有限公司 | Low-friction wiring leading-in optical cable and manufacturing technique thereof |
| CN104849822A (en) * | 2015-06-08 | 2015-08-19 | 通鼎互联信息股份有限公司 | Invisible optical cable and bend angle fitting thereof, and optical cable wiring and construction method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2849929B1 (en) * | 2003-01-09 | 2005-04-15 | Sagem | OPTICAL FIBER CABLE WITH MAINTAINING SHEATH |
-
2016
- 2016-01-20 CN CN201610037583.4A patent/CN105487186B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101458380A (en) * | 2008-11-10 | 2009-06-17 | 沈群华 | Layer-twisted allotype reinforced optical cable |
| CN201440181U (en) * | 2009-08-11 | 2010-04-21 | 深圳市特发信息光网科技股份有限公司 | Minitype air-blowing optical cable |
| CN103645552A (en) * | 2013-12-20 | 2014-03-19 | 湖北凯乐科技股份有限公司 | Low-friction blowing tiny cable |
| CN104765117A (en) * | 2015-04-17 | 2015-07-08 | 江苏亨通光电股份有限公司 | Low-friction wiring leading-in optical cable and manufacturing technique thereof |
| CN104849822A (en) * | 2015-06-08 | 2015-08-19 | 通鼎互联信息股份有限公司 | Invisible optical cable and bend angle fitting thereof, and optical cable wiring and construction method |
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| Publication number | Publication date |
|---|---|
| CN105487186A (en) | 2016-04-13 |
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