CN202904089U - Outdoor overhead all-dielectric self-supporting optical fiber - Google Patents
Outdoor overhead all-dielectric self-supporting optical fiber Download PDFInfo
- Publication number
- CN202904089U CN202904089U CN 201220568753 CN201220568753U CN202904089U CN 202904089 U CN202904089 U CN 202904089U CN 201220568753 CN201220568753 CN 201220568753 CN 201220568753 U CN201220568753 U CN 201220568753U CN 202904089 U CN202904089 U CN 202904089U
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- China
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- dielectric self
- inner sheath
- stilts
- sleeve pipe
- optical fiber
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Abstract
The utility model relates to an outdoor overhead all-dielectric self-supporting optical fiber, comprising an inner sheath, wherein the inner sheath is wrapped with aramid yarn, an outer sheath is arranged outside the aramid yarn, a water-blocking tape is arranged in the inner sheath, a central reinforcer is arranged in the water-blocking tape, the central reinforcer is wound with water-blocking yarn, loose tubes and filling ropes are arranged between the outer circle of the central reinforcer and the inner circle of the water-blocking tape, optical fibers are arranged in each loose tube, and the loose tubes are filled with fiber paste. The outdoor overhead all-dielectric self-supporting optical fiber has the advantages of light weight, small wire diameter, large span, vibration resistance, immunity to electromagnetic interference, easy laying and the like, can ensure the installation and operation processes in the harsh environment, and can meet the strain and attenuation requirements of the optical cable and the optical fiber.
Description
Technical field
The utility model relates to a kind of optical cable, especially a kind of outdoor built on stilts All Dielectric self-support.
Background technology
Along with the development of China's power department communication system and the carrying out of the upgrading of rural power grids, the construction of power communication private is very fast, has covered most of Utilities Electric Group Co. and provincial electric power company.In electric system, the optical cable on the high pressure overhead power line that is laid in mainly contains two kinds, and the one, optical fiber is maked somebody a mere figurehead composite ground wire (OPGW), and the 2nd, All Dielectric self-support is called for short ADSS.ADSS on existing 220KV, 110KV and following transmission line of electricity or the newly-built ultra-high-tension power transmission line that does not need aerial earth wire is installed communicate transmission, need to cross over the communication lines such as rivers, valley, thunder and lightning area for some, the ADSS optical cable is also applicable.
The ADSS optical cable is the maximum outreach according to optical cable, and minimum sag lays that the conditions such as environment (working temperature, wind speed, cable ice coating thickness) design.Take 24 core ADSS optical cables as example, the maximum outreach of installing is 200m, minimum sag is 2.0%, working temperature-20 ~+70 ℃, and maximum wind velocity is 138km/hr, without ice covering thickness, the cable nominal outside diameter that designs according to these conditions is 13.4mm, and the thickness minimum of inner sheath is 0.8mm, and the thickness minimum of oversheath is 1.3mm, the nominal outside diameter of pine sleeve pipe is of a size of 2.4mm, and the nominal diameter of gasket for packing is 2.4mm.The advantage of ADSS fiber optic cable communications maximum is to set up at original or old circuit, is particularly suitable for carrying out fitting operation under the state that 220kV and following circuit do not have a power failure, and has significant economic performance.Therefore, the optical cable of ADSS develops to the power communication cause and brings great convenience, and becomes desirable a kind of selection mode.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of and has that superior air pertormance performance, temperature applicable range are wide, linear expansion coefficient is little, can satisfy the outdoor built on stilts All Dielectric self-support that rugged environment requires.
The technical scheme that provides according to the utility model, described outdoor built on stilts All Dielectric self-support, be wound with aramid yarn at inner sheath, outside aramid yarn, be provided with oversheath, in inner sheath, be provided with waterstop, in waterstop, be provided with central reinforce member, be arranged with water blocking yarn at central reinforce member, between the inner circle of the cylindrical of central reinforce member and waterstop, be provided with loose sleeve pipe and gasket for packing, in every loose sleeve pipe, be provided with optical fiber, in loose sleeve pipe, be filled with fine cream.
The outside diameter of described loose sleeve pipe is 2.35 ~ 2.45mm.Described loose sleeve pipe adopts polybutylene terephthalate to make.
The diameter of described gasket for packing is 2.35 ~ 2.45mm.
The thickness of described inner sheath is 0.8 ~ 1.2mm.Density PE material was made during described inner sheath adopted.
The thickness of described oversheath is 1.3 ~ 1.7mm.Described oversheath adopts high density PE material to make.
The utlity model has lightweight, wire diameter is little, span is large, anti-vibration, be not subjected to electromagnetic interference (EMI), the characteristics such as be easy to lay, and can guarantee installation and operation operational process in rugged environment, can satisfy strain and the decay requirement of optical cable and optical fiber itself.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with concrete drawings and Examples.
As shown in the figure: this outdoor built on stilts All Dielectric self-support, be wound with aramid yarn 9 at inner sheath 8, outside aramid yarn 9, be provided with oversheath 10, in inner sheath 8, be provided with waterstop 7, in waterstop 7, be provided with central reinforce member 1, be arranged with water blocking yarn 2 at central reinforce member 1, between the inner circle of the cylindrical of central reinforce member 1 and the cover 7 that blocks water, be provided with loose sleeve pipe 5 and gasket for packing 6, in every loose sleeve pipe 5, be provided with optical fiber 3, in loose sleeve pipe 5, be filled with fine cream 4.
The outside diameter of described loose sleeve pipe 5 is 2.35 ~ 2.45mm.Described loose sleeve pipe 5 adopts polybutylene terephthalate to make.
The diameter of described gasket for packing 6 is 2.35 ~ 2.45mm.
The thickness of described inner sheath 8 is 0.8 ~ 1.2mm.Density PE material was made during described inner sheath 8 adopted.
The thickness of described oversheath 10 is 1.3 ~ 1.7mm.Described oversheath 10 adopts high density PE material to make.
The utility model comprises oversheath 10, is positioned at the aramid yarn 9 of oversheath 10, the inner sheath 8 that aramid yarn 9 twines, waterstop 7 in the inner sheath 8, the central reinforce member 1 at waterstop 7 centers and be evenly distributed on waterstop 7 and center line feeder 1 between 4 loose sleeve pipes 5 and two gasket for packings 6, in each loose sleeve pipe 5, comprise 6 optical fiber 3; Do not affect the performance of optical fiber 3 when loose sleeve pipe 5 is expanded with heat and contract with cold, in each loose sleeve pipe 5, fill fine cream 4; Described central reinforce member 1 and aramid yarn 9 guarantee cable when being subject to maximum installation pulling force and maximum operation pulling force in order to the stress requirement of cable to be provided, and optical fiber 3 strains meet the requirements of numerical value; Described loose sleeve pipe 5 adopts PBT material (polybutylene terephthalate, English name polybutylene terephthalate) makes, density PE material was made during described inner sheath 8 adopted, described oversheath 10 adopts high density PE materials to make, and can play antiultraviolet, anticorrosion, shockproof effect to cable;
For cable core is played waterproof action, around described center line feeder 1, twine water blocking yarn 2, between inner sheath 8 and loose sleeve pipe 5, waterstop 7 is set;
When cable is moved in rugged environment, can bear high pulling force requirement, between described inner sheath 8 and oversheath 10, aramid yarn 9 is set;
The thickness of described oversheath 10 is 1.5 ± 0.2mm, and the thickness of described inner sheath 8 is 1.0 ± 0.2mm, and the diameter of described loose sleeve pipe 5 is 2.40 ± 0.05mm, and the diameter of described gasket for packing 6 is 2.40 ± 0.05mm.
The diameter of the outdoor built on stilts ADSS optical cable of described 24 cores is 13.4 ± 0.5mm.
When the utility model is made, first by two cover operations at the outside of optical fiber 3 extrusion molding PBT pine sleeve pipe 5, water blocking yarn 2 on central reinforce member 1, loose sleeve pipe 5 and gasket for packing 6 mode by S-Z layer strand be wrapped in central reinforce member 1 around, total is fixed with the bundle yarn, forms cable core structure; Waterstop 7 wraps in whole cable core structure outside, and middle density PE inner sheath 8 extrusion moldings are outside waterstop, and aramid yarn 9 is placed on the inner sheath outside, and high density PE oversheath 10 extrusion moldings are in the outside of aramid yarn 9, thus formation ADSS optical cable cable body.
Claims (8)
1. outdoor built on stilts All Dielectric self-support, it is characterized in that: be wound with aramid yarn (9) at inner sheath (8), outside aramid yarn (9), be provided with oversheath (10), in inner sheath (8), be provided with waterstop (7), in waterstop (7), be provided with central reinforce member (1), be arranged with water blocking yarn (2) at central reinforce member (1), between the inner circle of the cylindrical of central reinforce member (1) and waterstop (7), be provided with loose sleeve pipe (5) and gasket for packing (6), in every loose sleeve pipe (5), be provided with optical fiber (3), in loose sleeve pipe (5), be filled with fine cream (4).
2. outdoor built on stilts All Dielectric self-support as claimed in claim 1, it is characterized in that: the outside diameter of described loose sleeve pipe (5) is 2.35 ~ 2.45mm.
3. outdoor built on stilts All Dielectric self-support as claimed in claim 1 or 2 is characterized in that: described loose sleeve pipe (5) adopts polybutylene terephthalate to make.
4. outdoor built on stilts All Dielectric self-support as claimed in claim 1, it is characterized in that: the diameter of described gasket for packing (6) is 2.35 ~ 2.45mm.
5. outdoor built on stilts All Dielectric self-support as claimed in claim 1, it is characterized in that: the thickness of described inner sheath (8) is 0.8 ~ 1.2mm.
6. such as claim 1 or 5 described outdoor built on stilts All Dielectric self-supports, it is characterized in that: density PE material was made during described inner sheath (8) adopted.
7. outdoor built on stilts All Dielectric self-support as claimed in claim 1, it is characterized in that: the thickness of described oversheath (10) is 1.3 ~ 1.7mm.
8. such as claim 1 or 7 described outdoor built on stilts All Dielectric self-supports, it is characterized in that: described oversheath (10) adopts high density PE material to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220568753 CN202904089U (en) | 2012-10-31 | 2012-10-31 | Outdoor overhead all-dielectric self-supporting optical fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220568753 CN202904089U (en) | 2012-10-31 | 2012-10-31 | Outdoor overhead all-dielectric self-supporting optical fiber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202904089U true CN202904089U (en) | 2013-04-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220568753 Expired - Fee Related CN202904089U (en) | 2012-10-31 | 2012-10-31 | Outdoor overhead all-dielectric self-supporting optical fiber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202904089U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103412380A (en) * | 2013-07-29 | 2013-11-27 | 成都亨通光通信有限公司 | Tension-resisting circular optical cable |
| CN103412385A (en) * | 2013-07-30 | 2013-11-27 | 成都亨通光通信有限公司 | Reinforced type self-supporting optic fiber cable |
| CN106054338A (en) * | 2016-08-11 | 2016-10-26 | 江苏亨通光电股份有限公司 | C-type-sleeve all-dielectric self-supporting optical cable used for access network and manufacturing method thereof |
| CN111897072A (en) * | 2020-09-04 | 2020-11-06 | 四川天府江东科技有限公司 | Salt-fog-corrosion-resistant optical cable |
| CN114967009A (en) * | 2022-05-19 | 2022-08-30 | 宏安集团有限公司 | Fire-resistant bird pecking-prevention environment-friendly long-life optical cable for power grid |
-
2012
- 2012-10-31 CN CN 201220568753 patent/CN202904089U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103412380A (en) * | 2013-07-29 | 2013-11-27 | 成都亨通光通信有限公司 | Tension-resisting circular optical cable |
| CN103412385A (en) * | 2013-07-30 | 2013-11-27 | 成都亨通光通信有限公司 | Reinforced type self-supporting optic fiber cable |
| CN106054338A (en) * | 2016-08-11 | 2016-10-26 | 江苏亨通光电股份有限公司 | C-type-sleeve all-dielectric self-supporting optical cable used for access network and manufacturing method thereof |
| CN111897072A (en) * | 2020-09-04 | 2020-11-06 | 四川天府江东科技有限公司 | Salt-fog-corrosion-resistant optical cable |
| CN114967009A (en) * | 2022-05-19 | 2022-08-30 | 宏安集团有限公司 | Fire-resistant bird pecking-prevention environment-friendly long-life optical cable for power grid |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130424 Termination date: 20181031 |