CN202948174U - Novel all dielectric self-supporting optical cable - Google Patents
Novel all dielectric self-supporting optical cable Download PDFInfo
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- CN202948174U CN202948174U CN201220558873.0U CN201220558873U CN202948174U CN 202948174 U CN202948174 U CN 202948174U CN 201220558873 U CN201220558873 U CN 201220558873U CN 202948174 U CN202948174 U CN 202948174U
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Abstract
The utility model relates to the communication optical fiber filed, in particular to a novel all dielectric self-supporting optical cable which comprises a unit cable and a sheath layer. The unit cable comprises an optical fibers and a sleeve, wherein the sleeve wraps the optical fibers. The sheath layer comprises an inner sheath, a built-in reinforcer and an outer sheath, wherein the unit cable is arranged inside the inner sheath, the built-in reinforcer wraps the inner sheath, and the outer sheath wraps the built-in reinforcer which is made of high-strength yarns. Compared with the built-in reinforcer made of aramid fibers in the prior art, the novel all dielectric self-supporting optical cable provided with the built-in reinforcer made of high-strength yarns has the similar stretching resistance and filling effect but is less than one tenth of the price of aramid fibers, and accordingly greatly reduces production cost.
Description
Technical field
The utility model relates to the communications optical cable field, relates in particular to a kind of Novel full medium self-support cable.
Background technology
All Dielectric self-support (ADSS optical cable) is widely used on built 220kV, 110kV, 35kV electric pressure transmission line of electricity.Because electromagnetic interference (EMI) is strong around ultra-high-tension power transmission line, the spacing between the tower bar is large, so can not there be metal strengthening core or metal material in the load unit in optical cable; The advantages such as and that aramid yarn has density is little, and the stretch-proof ability is strong, and the high and fracture elongation of fracture strength is low are the quality matetrials that is used as All Dielectric self-support load unit.But aramid fiber is expensive, and aramid fiber needs import fully at present, causes the production cost of All Dielectric self-support high.
Summary of the invention
The purpose of this utility model is to overcome shortcoming and defect of the prior art, provides a kind of production cost low Novel full medium self-support cable.
In order to solve the problems of the technologies described above, the utility model adopts following technical scheme: the Novel full medium self-support cable, comprise unit cable and restrictive coating, the unit cable wrap is drawn together optical fiber and sleeve pipe, and sleeve pipe clad optical fiber, restrictive coating comprise inner sheath, built-in reinforcement and oversheath, the unit cable is located at the inside of inner sheath, built-in reinforcement coats inner sheath, and oversheath coats built-in reinforcement, and described built-in reinforcement is the reinforcement that high strength yarns is made.
Wherein, described unit cable is at least two.
Wherein, also comprise central reinforce member, central reinforce member is located between described unit cable.
Wherein, described central reinforce member is the reinforcement that nonmetal reinforcing material is made.
Wherein, also comprise gasket for packing, gasket for packing is located at the inside of inner sheath.
Wherein, be filled with fine cream in described unit cable.
Wherein, be filled with cable cream in described inner sheath.
Wherein, described oversheath is the sheath that the anti-electric-mark tygon is made.
The utility model beneficial effect: the built-in reinforcement that the utility model adopts high strength yarns to make, compare as built-in reinforcement with the available technology adopting aramid fiber, stretch-proof ability and filling effect are all near aramid fiber, but price greatly reduces the production cost of All Dielectric self-support less than 1/10th of aramid fiber.
Description of drawings
Fig. 1 is the structural representation of the utility model layer-twisted type;
Fig. 2 is the structural representation of the utility model central beam tube type;
Fig. 1 and Fig. 2 comprise the following drawings mark:
Unit cable-1; Optical fiber-2; Fine cream-3; Sleeve pipe-4; Central reinforce member-5; Gasket for packing-6; Cable cream-7; Inner sheath-8;
Built-in reinforcement-9; Oversheath-10.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.
Embodiment one:
With reference to figure 1 and Fig. 2, the utility model comprises unit cable 1 and restrictive coating, unit cable 1 comprises optical fiber 2 and sleeve pipe 4, sleeve pipe 4 clad optical fibers 2, restrictive coating comprises inner sheath 8, built-in reinforcement 9 and oversheath 10, and unit cable 1 is located at the inside of inner sheath 8, and built-in reinforcement 9 coats inner sheath 8, oversheath 10 coats built-in reinforcement 9, the reinforcement that built-in reinforcement 9 is made for high strength yarns.
The utility model adopts high strength yarns to make built-in reinforcement, compare as built-in reinforcement with the available technology adopting aramid fiber, stretch-proof ability and filling effect are all near aramid fiber, but price greatly reduces the production cost of All Dielectric self-support less than 1/10th of aramid fiber.
At present, the ADSS optical cable can be divided into layer-twisted type and central beam tube type two classes on structure.With reference to figure 1, the present embodiment is the structure of layer stranded ADSS fiber optic cable.The unit cable 1 of the present embodiment is at least two.Described at least two root unit cables 1 are located at the inside of inner sheath 8.Also comprise central reinforce member 5, central reinforce member 5 is located between two root unit cables 1 at least.Preferably, the reinforcement made for nonmetal reinforcing material of central reinforce member 5.Also comprise gasket for packing 6, gasket for packing 6 is located at the inside of inner sheath 8.Be filled with fine cream 3 in the unit cable 1 of layer stranded ADSS fiber optic cable, be filled with cable cream 7 in inner sheath 8.Cable cream 7 prevents that optical cable is subject to the infiltration of moisture and moisture in long-term use procedure.Fine cream 3 has not only been avoided the intrusion of moisture also to avoid making optical fiber 2 phase mutual friction in the optical cable process and has damaged optical fiber 2, thereby guarantees the good mechanical property of optical fiber 2, increases the service life.
Embodiment two:
With reference to figure 2, the structure of beam tube type ADSS optical cable centered by the present embodiment.Only have a root unit cable 1 in central beam tube type ADSS optical cable, sleeve pipe 4 clad optical fibers 2, inner sheath 8 coats sleeve pipe 4.Be filled with fine cream 3 in unit cable 1, thereby avoid the intrusion of moisture.The other technologies feature of embodiment two is identical with embodiment one, does not repeat them here.
As preferred embodiment, the sheath that oversheath 10 of the present utility model is made for the anti-electric-mark tygon.
Technical process of the present utility model is: the optical fiber warehouse-in; Optical fiber detects, and carries out optical fiber coloring (or also being with after painted); Detection after optical fiber coloring is overlapped and is moulded; Cover is moulded rear detection, stranding; Stranding detects, and adds restrictive coating; Detect after adding restrictive coating, make finished product.
The utility model is applicable to ultra-high-tension power transmission line and arterial grid system.That the applicant sums up production, manufacturing experience for many years, the conditions of demand in investigation market, through careful design and test of many times, a kind of novel product of developing, consider emphatically the structure optimization of optical cable and the cost of optical cable in structured design process, secondly guarantee again optical property, the mechanical property of optical fiber, also considered the convenience of processes; Belong to the high technology content product in the optical fiber cable manufacturing, can bring certain economic benefit, because this optical cable production cost reduces greatly than prior art, prospect of the application is boundless in addition.
Above content is only preferred embodiment of the present utility model, for those skilled in the art, according to thought of the present utility model, all will change in specific embodiments and applications, this description should not be construed as restriction of the present utility model.
Claims (8)
1. Novel full medium self-support cable, comprise unit cable and restrictive coating, the unit cable wrap is drawn together optical fiber and sleeve pipe, the sleeve pipe clad optical fiber, restrictive coating comprises inner sheath, built-in reinforcement and oversheath, and the unit cable is located at the inside of inner sheath, and built-in reinforcement coats inner sheath, oversheath coats built-in reinforcement, and it is characterized in that: described built-in reinforcement is the reinforcement that high strength yarns is made.
2. Novel full medium self-support cable according to claim 1, it is characterized in that: described unit cable is at least two.
3. Novel full medium self-support cable according to claim 2 is characterized in that: comprise that also central reinforce member, central reinforce member be located between described unit cable.
4. Novel full medium self-support cable according to claim 3, it is characterized in that: described central reinforce member is the reinforcement that nonmetal reinforcing material is made.
5. Novel full medium self-support cable according to claim 3 is characterized in that: comprise that also gasket for packing, gasket for packing be located at the inside of inner sheath.
6. Novel full medium self-support cable according to claim 1, is characterized in that: be filled with fine cream in described unit cable.
7. Novel full medium self-support cable according to claim 2, is characterized in that: be filled with cable cream in described inner sheath.
8. Novel full medium self-support cable according to claim 1, it is characterized in that: described oversheath is the sheath that the anti-electric-mark tygon is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220558873.0U CN202948174U (en) | 2012-10-29 | 2012-10-29 | Novel all dielectric self-supporting optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220558873.0U CN202948174U (en) | 2012-10-29 | 2012-10-29 | Novel all dielectric self-supporting optical cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202948174U true CN202948174U (en) | 2013-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220558873.0U Expired - Fee Related CN202948174U (en) | 2012-10-29 | 2012-10-29 | Novel all dielectric self-supporting optical cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103728701A (en) * | 2013-12-13 | 2014-04-16 | 江苏亨通光电股份有限公司 | Reinforced type all-dielectric and rodent-resistant cable and manufacturing process thereof |
-
2012
- 2012-10-29 CN CN201220558873.0U patent/CN202948174U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103728701A (en) * | 2013-12-13 | 2014-04-16 | 江苏亨通光电股份有限公司 | Reinforced type all-dielectric and rodent-resistant cable and manufacturing process thereof |
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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 |
Granted publication date: 20130522 Termination date: 20211029 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |