CN203732766U - Anti-tensile indoor horizontal wiring optical cable - Google Patents
Anti-tensile indoor horizontal wiring optical cable Download PDFInfo
- Publication number
- CN203732766U CN203732766U CN201320769674.9U CN201320769674U CN203732766U CN 203732766 U CN203732766 U CN 203732766U CN 201320769674 U CN201320769674 U CN 201320769674U CN 203732766 U CN203732766 U CN 203732766U
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- China
- Prior art keywords
- optical cable
- optical fiber
- cable
- tensile
- stretch
- 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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Abstract
The utility model discloses an anti-tensile indoor horizontal wiring optical cable, including a plurality of optical fiber cable cores and an inner sheath, wherein each optical fiber cable core is arranged in the inner sheath, an aramid yarn structural layer and an outer sheath structural layer are arranged at the outside of the sheath. The anti-tensile indoor horizontal wiring optical cable is characterized in that an anti-tensile structure extending along the length direction of the optical cable is arranged in the outer sheath structural layer; central reinforcers are further arranged at the central positions of the plurality of optical fiber cable cores. When the optical cable provided by the utility model is stretched by a larger external force, the optical cable basically generates no permanent deformation, the performance of the optical fiber in the inner sheath structure is only slightly attenuated, and the linearity of the optical fiber is well kept, so that such phenomena as additional attenuation, step and the like caused by the external force of the optical fiber can be reduced.
Description
Technical field
The utility model relates to fiber optic cable manufacture technical field, is specifically related to a kind of indoor horizontal wiring optical cable of stretch-proof.
Background technology
Hard-pressed bale indoor horizontal wiring optical cable is very important ingredient in room light communication system, and it is of many uses, external diameter is little, lightweight, and has certain flame-retarding characteristic, and mechanical property requirements is moderate and with low cost.Therefore be usually used in the interconnection between each light delivery module, communications equipment room, between each communication facilities, interconnecting in communication facilities, and laying of multicore horizontal wiring or laying of the interior vertical wirings of non-super-high buildings thing in light comprehensive wiring.
The structure of this optical cable is very simple, and in cable core, transmission medium is twisted by spiral or many tightly packaged fibers of left and right strand form, and the skin of the tightly packaged fiber aramid fiber layer that be arranged in parallel ensures the intensity of optical cable, the coated flame-retardant polyolefin sheathed or resistance alkene pvc sheath in outside.In the test that tightly packaged fiber affects in special sheath gravitation excessively stretches on cable, within the set time, get 20 meters long one section from a dish optical cable, and respectively apply at two ends exceed 50 kilograms power stretch, there is at least occurring 0.3% deformation set in sheath, tightly packaged fiber has obvious attenuation change, step or decay linear bending simultaneously.Dissect tested optical cable, find that in cable, the phenomenons such as minor radius bending appear in tight tube fiber.
Utility model content
For above-mentioned prior art, the purpose of this utility model is in the indoor horizontal optical cable that a kind of stretch-proof is provided, it is in the time being subject to larger force-extension, optical cable does not produce permanent deformation substantially, optical fiber property only have micro-error, it is good that the linearity of optical fiber keeps, and significantly reduces the additional attenuation that optical fiber causes due to external force, the phenomenons such as step.
In order to solve the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of indoor horizontal optical cable of stretch-proof, comprise some optic fibre cores, inner sheath, optic fibre core is arranged in inner sheath, and sheath is outside equipped with aramid yarn structural sheet and outer jacket structure layer, it is characterized in that, in outer jacket structure layer, be provided with the stretch-proof structure of extending along cable length direction; Center at described some optic fibre cores is also provided with central reinforce member.
Described stretch-proof structure is glass fiber reinforced plastics rod or the flat yarn of glass fibre.
Compared with prior art, the utlity model has following beneficial effect:
The optical cable that the utility model provides is in the time being subject to larger force-extension, can make optical cable substantially not produce permanent deformation, optical fiber property in inner sheath structure only has micro-decay, it is good that the linearity of optical fiber keeps, and can show and reduce the phenomenon such as additional attenuation, step that optical fiber causes due to external force.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Reference numeral is: centered by 1, reinforcement, 2 is that optic fibre core, 3 is that inner sheath, 4 outer jacket structure layers, 5 are stretch-proof structure.
Embodiment
Below in conjunction with the drawings and the specific embodiments, the utility model will be further described.
A kind of indoor horizontal optical cable of stretch-proof, comprise some optic fibre cores, inner sheath, optic fibre core is arranged in inner sheath, and inner sheath is outside equipped with aramid yarn structural sheet and outer jacket structure layer, it is characterized in that, in outer jacket structure layer, be provided with the stretch-proof structure of extending along cable length direction; Center at described some optic fibre cores is also provided with central reinforce member.
Embodiment
Inner sheath of the present utility model is that flame-proofed polymer material is made, and the center of the some optic fibre cores in inner sheath is provided with the central reinforce member that diameter is 5mm, and described central reinforce member is that non-metallic material is made.Inner sheath be outside equipped with 1580dtex and or the nested structure layer that protects of the aramid yarn structural sheet of 1680dtex type and fire retardant polyolefin that thickness is 1.2mm, in jacket structure layer, be provided with three equidistant and be parallel to each other stretch-proof structures of extending along fiber length, stretch-proof structure is by glass fiber reinforced plastics bar construction, its external diameter is 0.5mm, stretch modulus >=80GPa.
Claims (2)
1. the indoor horizontal wiring optical cable of a stretch-proof, comprise some optic fibre cores, inner sheath, optic fibre core is arranged in inner sheath, sheath is outside equipped with aramid yarn structural sheet and outer jacket structure layer, it is characterized in that, in outer jacket structure layer, be provided with the stretch-proof structure of extending along cable length direction; Center at described some optic fibre cores is also provided with central reinforce member.
2. the indoor horizontal wiring optical cable of stretch-proof according to claim 1, is characterized in that, described stretch-proof structure is glass fiber reinforced plastics rod or the flat yarn of glass fibre.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320769674.9U CN203732766U (en) | 2013-11-30 | 2013-11-30 | Anti-tensile indoor horizontal wiring optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320769674.9U CN203732766U (en) | 2013-11-30 | 2013-11-30 | Anti-tensile indoor horizontal wiring optical cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203732766U true CN203732766U (en) | 2014-07-23 |
Family
ID=51202828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320769674.9U Expired - Fee Related CN203732766U (en) | 2013-11-30 | 2013-11-30 | Anti-tensile indoor horizontal wiring optical cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203732766U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103676050A (en) * | 2013-11-30 | 2014-03-26 | 四川邮科通信技术有限公司 | Stretch-resistant indoor horizontal cabling optical cable |
-
2013
- 2013-11-30 CN CN201320769674.9U patent/CN203732766U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103676050A (en) * | 2013-11-30 | 2014-03-26 | 四川邮科通信技术有限公司 | Stretch-resistant indoor horizontal cabling optical cable |
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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: 20140723 Termination date: 20191130 |