CN2619272Y - Twisted optical cable of compact optical fiber unit layer - Google Patents
Twisted optical cable of compact optical fiber unit layer Download PDFInfo
- Publication number
- CN2619272Y CN2619272Y CNU032412053U CN03241205U CN2619272Y CN 2619272 Y CN2619272 Y CN 2619272Y CN U032412053 U CNU032412053 U CN U032412053U CN 03241205 U CN03241205 U CN 03241205U CN 2619272 Y CN2619272 Y CN 2619272Y
- Authority
- CN
- China
- Prior art keywords
- tight tube
- tube fiber
- tight
- optical fiber
- cable
- 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 - Lifetime
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Abstract
The utility model relates to a tight-buffered optical fiber unit layer stranded type cable used indoor, which includes outer sheaths, tight-buffered optical fibers and central strengthened components. The difference is that a tight-buffered optical fiber sub-element is articulated with the central strengthened component in the outer sheaths. The tight-buffered optical fiber sub-element comprises the tight-buffered optical fiber articulated with the strengthened sub-element winded by yarn. The benefits of the utility model are: 1. the simple and compact structure of the cable core makes the density of the fiber numbers larger, the cable diameter smaller and the structural parameter optimized; 2. the removal of the inner casing pipe not only makes the cable diameter smaller and the consumables saved but also makes the laying indoor and connection easier; 3. the add of the strengthened sub-element can improve the high-and-low temperature performance and the tensile and flatten performance of the cable. The long term reliability can also be further improved.
Description
Technical field
The utility model relates to a kind of tight tube fiber elementary layer stranded cables that is used for indoor laying.
Background technology
Tight tube fiber is widely used in inside cable owing to being convenient to connect.Existing tight tube fiber layer-stranding cable normally is coated in the inner sleeve by several tight tube fibers, again the and coating oversheath mutually stranded with central reinforce member and constituting by many inner sleeves that coat tight tube fibers.Adopt the optical cable of this inner sleeve structure, in cable fibre core more for a long time, optic cable diameter is bigger than normal, Heavy Weight, it is convenient inadequately to use and lay all, and consumptive material relatively.
Summary of the invention
Technical problem to be solved in the utility model is the deficiency that exists at above-mentioned prior art and provides a kind of diameter little, in light weight, is easy to the tight tube fiber elementary layer stranded cables of indoor laying and use.
The utility model is that the technical scheme that problem adopted of the above-mentioned proposition of solution is: include oversheath 1, tight tube fiber and central reinforce member 3, its difference is in the oversheath around central reinforce member is stranded tight tube fiber subelement 5 to be arranged, and described tight tube fiber subelement is seized yarns 9 and constituted by stranded sub-reinforcements of tight tube fiber 78 are outer.
Press such scheme, described tight tube fiber subelement can the core tight tube fiber be stranded forms by 3～12; Described tight tube fiber subelement can be provided with 3～12 unit; Outside central reinforce member, can coat shell-like bed course 4; In oversheath, also be equipped with aramid yarn 6.
The beneficial effects of the utility model are: 1, cable core structure concision and compact, make the fiber number increase in density, and optic cable diameter diminishes, structure parameter optimizing; 2, remove inner sleeve, optic cable diameter is diminished, saved consumptive material, but also be convenient to indoor laying, used connection more convenient; 3, set up sub-reinforcement, can improve the high temperature performance of optical cable, the stretching and the crush characteristics of optical cable are obviously improved, and the long-term reliability that optical cable uses further improves.
Description of drawings
Fig. 1 is the radial section figure of an embodiment of the utility model.
Fig. 2 is the radial section figure of tight tube fiber subelement among Fig. 1.
Embodiment
Further specify embodiment of the present utility model below in conjunction with accompanying drawing, the cable core middle part is laid with central reinforce member 3, central reinforce member can be non-metal reinforcement member, make by the FRP material, be coated with the flexible shell-like bed course 4 of tool at central reinforce member, stranded outside the central reinforce member have 4,6,8 or 12 tight tube fiber subelements 5, the tight tube fiber subelement can be by 4,6,8 or 12 core (root) tight tube fibers 7 are mutually stranded with the sub-reinforcement 8 in the middle of it and constitute, periphery at the tight tube fiber subelement is wound with the colored yarn 9 of pricking, the colour of each tight tube fiber subelement is pricked yarn and is varied in color, so that to the differentiation of each tight tube fiber subelement, outside mutually stranded tight tube fiber subelement, be tied with band 2 and be equipped with aramid yarn 6, outermost layer coats oversheath 1, and oversheath can be used PVC, PE or LSZH (halogen-free low-smoke flame retardant material) make.
Claims (6)
1, a kind of tight tube fiber elementary layer stranded cables, include oversheath (1), tight tube fiber and central reinforce member (3), it is characterized in that in the oversheath around central reinforce member is stranded tight tube fiber subelement (5) being arranged, described tight tube fiber subelement is seized yarn (9) and is constituted by the stranded sub-reinforcement of tight tube fiber (7) (8) is outer.
2, by the described tight tube fiber elementary layer of claim 1 stranded cables, the core tight tube fiber is stranded forms by 3～12 to it is characterized in that described tight tube fiber subelement (5).
3, by claim 1 or 2 described tight tube fiber elementary layer stranded cables, it is characterized in that described tight tube fiber subelement (5) is provided with 3～12 unit.
4, by claim 1 or 2 described tight tube fiber elementary layer stranded cables, it is characterized in that wrap shape bed course (4) outside central reinforce member.
5, by claim 1 or 2 described tight tube fiber elementary layer stranded cables, it is characterized in that in oversheath, also being equipped with aramid yarn (6).
6, by the described tight tube fiber elementary layer of claim 3 stranded cables, it is characterized in that being wound with the colored yarn of pricking in the periphery of tight tube fiber subelement (5), the colour of each tight tube fiber subelement is pricked yarn and is varied in color.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU032412053U CN2619272Y (en) | 2003-04-09 | 2003-04-09 | Twisted optical cable of compact optical fiber unit layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU032412053U CN2619272Y (en) | 2003-04-09 | 2003-04-09 | Twisted optical cable of compact optical fiber unit layer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2619272Y true CN2619272Y (en) | 2004-06-02 |
Family
ID=34250213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU032412053U Expired - Lifetime CN2619272Y (en) | 2003-04-09 | 2003-04-09 | Twisted optical cable of compact optical fiber unit layer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2619272Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101546019A (en) * | 2009-05-18 | 2009-09-30 | 烽火通信科技股份有限公司 | UV optical cable |
| CN101840042A (en) * | 2010-05-18 | 2010-09-22 | 江苏通鼎光电股份有限公司 | Full-dry high count armour indoor and outdoor optical cable |
| CN105387290A (en) * | 2015-12-03 | 2016-03-09 | 青岛华凯海洋科技有限公司 | Safe composite high-pressure conveying cable |
| CN110268296A (en) * | 2017-01-25 | 2019-09-20 | Afl电信有限责任公司 | Swedged reinforcing optical fiber distributing cable |
| CN114415302A (en) * | 2022-01-26 | 2022-04-29 | 江苏亨通光电股份有限公司 | Compact optical cable |
-
2003
- 2003-04-09 CN CNU032412053U patent/CN2619272Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101546019A (en) * | 2009-05-18 | 2009-09-30 | 烽火通信科技股份有限公司 | UV optical cable |
| CN101840042A (en) * | 2010-05-18 | 2010-09-22 | 江苏通鼎光电股份有限公司 | Full-dry high count armour indoor and outdoor optical cable |
| CN101840042B (en) * | 2010-05-18 | 2012-07-11 | 江苏通鼎光电股份有限公司 | Full-dry high count armour indoor and outdoor optical cable |
| CN105387290A (en) * | 2015-12-03 | 2016-03-09 | 青岛华凯海洋科技有限公司 | Safe composite high-pressure conveying cable |
| CN110268296A (en) * | 2017-01-25 | 2019-09-20 | Afl电信有限责任公司 | Swedged reinforcing optical fiber distributing cable |
| US11150426B2 (en) | 2017-01-25 | 2021-10-19 | Afl Telecommunications Llc | Reduced diameter ruggedized fiber optic distribution cables |
| US11747581B2 (en) | 2017-01-25 | 2023-09-05 | Afl Telecommunications Llc | Reduced diameter ruggedized fiber optic distribution cables |
| CN114415302A (en) * | 2022-01-26 | 2022-04-29 | 江苏亨通光电股份有限公司 | Compact optical cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20130409 Granted publication date: 20040602 |