CN2429843Y - Central pipe style complete self supported optical cable without enhancing core - Google Patents
Central pipe style complete self supported optical cable without enhancing core Download PDFInfo
- Publication number
- CN2429843Y CN2429843Y CN 00219542 CN00219542U CN2429843Y CN 2429843 Y CN2429843 Y CN 2429843Y CN 00219542 CN00219542 CN 00219542 CN 00219542 U CN00219542 U CN 00219542U CN 2429843 Y CN2429843 Y CN 2429843Y
- Authority
- CN
- China
- Prior art keywords
- optical fiber
- utility
- cable core
- optical cable
- central pipe
- 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 - Fee Related
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- Communication Cables (AREA)
Abstract
The utility model provides a central pipe style complete self supported optical cable without enhancing cores, which has the advantages of simple structure and low cost. The utility model comprises an optical fiber loose tube cable core, aramid fibers, and a polyethylene external protection layer. The utility model is characterized in that the outside of the optical fiber loose tube cable core is hinged with the aramid fibers 4; the outside of the aramid fibers 4 is extruded with the polyethylene external protection layer 5.
Description
The utility model relates to a kind of central tubular All Dielectric self-support, is mainly used in the built on stilts optical communication transmission mediums that lay environment such as the communication line of high-tension transmission system and large span, thunder and lightning, strong-electromagnetic field interference range.
At present in the communication line of high-tension transmission system, owing to restricted by environmental factors such as thunder and lightning, strong-electromagnetic field interference, ordinary optical cable no longer is fit to the needs of power communication, existing layer stranded full-medium self-support cable is because complex structure, the manufacturing cost height has increased the construction cost of communication line.
The purpose of this utility model then is the problem that exists at above-mentioned prior art, and a kind of central tubular All Dielectric self-support of simple in structure, low cost of manufacture is provided.
The purpose of this utility model can reach by following measure:
A kind of central tubular All Dielectric self-support comprises optical fiber loose tube cable core, aramid fiber, tygon external protection, it is characterized in that the outer stranded aramid fiber 4 of optical fiber loose tube cable core, the aramid fiber 4 outer layer of polyethylene external protections 5 that extrude.
The purpose of this utility model can also reach by following measure:
The optical fiber loose tube cable core is made of optical fiber 1, block water fine cream 2 and loose sleeve pipe 3, is marked with the fine cream 2 that blocks water in the wherein loose sleeve pipe 3, and optical fiber 1 is dipped in the fine cream 2 that blocks water.
The utility model has following advantage compared to existing technology:
1, adopt the central tubular structure, one-step technology, process structure is simple, behind the optical fiber cabling, gets final product one-shot forming;
2, in the big beam tube of optical fiber centering, stranded one deck high strength aramid yarn outside it is as the stiffener and the load-carrying unit of optical cable.
3, adopt Dayu farm labourer skill, when optical cable was stressed, optical fiber can move freely in pipe, made optical cable present fabulous characteristic in very big temperature range, guaranteed that also optical fiber has superior strain property simultaneously.
4, the optical cable cost is low, and is in light weight, and the user builds the circuit less investment, adapted to the demand in market and the needs of competition.
Fig. 1 is a structural representation of the present utility model.
Below in conjunction with accompanying drawing the utility model is further described:
Cable core adopts the central beam tube type structure, is stranded in around the loose sleeve pipe 3 with certain pitch by the aramid fiber 4 of suitable radical.Pine sleeve pipe 3 contains the optical fiber 1 and the fine cream 2 that blocks water.The aramid fiber 4 outer layer of polyethylene external protections 5 that extrude.The utility model adopts single stage method to make.
Claims (2)
1, a kind of central tubular All Dielectric self-support comprises optical fiber loose tube cable core, aramid fiber, tygon external protection, it is characterized in that the outer stranded aramid fiber (4) of optical fiber loose tube cable core, the outer layer of polyethylene external protection (5) that extrudes of aramid fiber (4).
2, central tubular All Dielectric self-support according to claim 1, it is characterized in that the optical fiber loose tube cable core is made of optical fiber (1), block water fine cream (2) and loose sleeve pipe (3), be marked with the fine cream (2) that blocks water in the wherein loose sleeve pipe (3), optical fiber (1) is dipped in the fine cream (2) that blocks water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00219542 CN2429843Y (en) | 2000-03-08 | 2000-03-08 | Central pipe style complete self supported optical cable without enhancing core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00219542 CN2429843Y (en) | 2000-03-08 | 2000-03-08 | Central pipe style complete self supported optical cable without enhancing core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2429843Y true CN2429843Y (en) | 2001-05-09 |
Family
ID=33584724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00219542 Expired - Fee Related CN2429843Y (en) | 2000-03-08 | 2000-03-08 | Central pipe style complete self supported optical cable without enhancing core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2429843Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101923198A (en) * | 2010-08-04 | 2010-12-22 | 中天科技海缆有限公司 | Enhanced fiber unit and manufacturing method thereof |
| CN102411178A (en) * | 2011-11-25 | 2012-04-11 | 成都亨通光通信有限公司 | All-dielectric self-supporting optical cable |
-
2000
- 2000-03-08 CN CN 00219542 patent/CN2429843Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101923198A (en) * | 2010-08-04 | 2010-12-22 | 中天科技海缆有限公司 | Enhanced fiber unit and manufacturing method thereof |
| CN101923198B (en) * | 2010-08-04 | 2012-05-09 | 中天科技海缆有限公司 | Enhanced fiber unit and manufacturing method thereof |
| CN102411178A (en) * | 2011-11-25 | 2012-04-11 | 成都亨通光通信有限公司 | All-dielectric self-supporting optical cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| FG1K | Grant of utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |