CN202649556U - Air-blowing micro optical cable with high fiber core density - Google Patents
Air-blowing micro optical cable with high fiber core density Download PDFInfo
- Publication number
- CN202649556U CN202649556U CN201220276021.2U CN201220276021U CN202649556U CN 202649556 U CN202649556 U CN 202649556U CN 201220276021 U CN201220276021 U CN 201220276021U CN 202649556 U CN202649556 U CN 202649556U
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- China
- Prior art keywords
- optical fiber
- air
- fiber bundle
- optical cable
- blowing
- 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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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/46—Processes or apparatus adapted for installing or repairing optical fibres or optical cables
- G02B6/50—Underground or underwater installation; Installation through tubing, conduits or ducts
- G02B6/52—Underground or underwater installation; Installation through tubing, conduits or ducts using fluid, e.g. air
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/4434—Central member to take up tensile loads
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4479—Manufacturing methods of optical cables
- G02B6/4486—Protective covering
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
The utility model discloses an air-blowing micro optical cable with high fiber core density and relates to the air-blowing optical cable field. The air-blowing micro optical cable with high fiber core density comprises an outer protection layer which is internally provided with a center reinforcement member and optical fiber bundle units, wherein the center reinforcement member is arranged along a central axis of the outer protection layer, the optical fiber bundle units which are internally provided with optical fibers encircle outside the center reinforcement member, and the optical fiber bundle units employ one time molding of ultraviolet light solidification resin. According to the air-blowing micro optical cable with high fiber core density, the optical fiber bundle units employ one time molding of the ultraviolet light solidification resin, and the optical fiber bundle units reduce process of secondary sleeve loosing, so an external diameter of the optical fiber bundle units is relatively small, and an external diameter of the air-blowing optical cable made by the optical fiber bundle units having the relatively small external diameter is relatively small, and thereby a pipeline utilization rate of a protopipe is improved greatly; utilization of pipeline resource is relatively reasonable; cost of broadband network construction is further reduced; and the air-blowing micro optical cable with high fiber core density is applicable to popularization.
Description
Technical field
The utility model relates to the air-blowing optical cable field, is specifically related to a kind of air-blowing minisize optical cable of high fibre core density.
Background technology
Air-blowing optical cable is a kind of optical cable that adopts the air-blown installation method to make, use the air-blowing optical cable technology can be in the silicon core pipe (female pipe) of a 40mm/33mm (external diameter/internal diameter) microtubule (son is managed) of five 10mm/8mm of air-blowing or seven 8mm/6mm simultaneously, then in each root pipe external diameter of air-blowing less than the air-blowing minisize optical cable of 6.2mm or 4.6mm.The air-blowing optical cable technology can be in sub-pipe the many air-blowing minisize optical cables of air-blowing, not only improved greatly the fibre core utilization factor of pipeline, and the conduit resource that takies is less.Along with the quickening of metropolitan broadband network network construction speed, laid a large amount of conventional pipelines or optical fiber cable for direct burial in the pipeline, cause existing available conduit resource day by day to reduce, therefore.Taking the less air-blowing optical cable of conduit resource is widely used in the deployment of broadband network.
Existing air-blowing minisize optical cable (hereinafter to be referred as little cable) generally comprises protective seam and is located at its inner optical fiber bundle unit.Optical fiber bundle unit generally adopts loose sleeve structure, because loose sleeve pipe need adopt secondary pine cover operation during fabrication, therefore the external diameter of loose sleeve pipe is larger, is provided with six roots of sensation optical fiber bundle unit in general little cable, and the optical fiber bundle unit that external diameter is larger causes the external diameter of little cable larger.Six roots of sensation external diameter is that the little cable of 72 cores (12 optical fiber are arranged in the every optical fiber bundle unit) external diameter made of the optical fiber bundle unit of 1.7mm is about 6.0mm, external diameter is that little cable of 6.0mm can only be laid in the sub-pipe of 10mm/8mm and carries out air-blown installation, and little cable of external diameter larger (more than 72 cores) then needs carry out air-blown installation in the sub-pipe of 12mm/10mm.Because can only five following 10mm/8mm of air-blown installation in female pipe of 40mm/33mm or the child pipe of 12mm/10mm, therefore the negligible amounts of sub-pipe in mother manages, thereby so that the negligible amounts of female pipe inner fiber, the pipeline utilization factor of female pipe is lower, and the utilization of conduit resource is reasonable not.
The utility model content
For the defective that exists in the prior art, the purpose of this utility model is to provide a kind of air-blowing minisize optical cable of high fibre core density, and not only the pipeline utilization factor is higher for it, can more reasonably utilize conduit resource, and reduced the cost of the deployment of broadband network, be suitable for promoting.
For reaching above purpose, the technical scheme that the utility model is taked is: a kind of air-blowing minisize optical cable of high fibre core density, comprise that inside is provided with the outer jacket of central reinforce member and optical fiber bundle unit, described central reinforce member arranges along the axis of outer jacket, the optical fiber bundle unit that inside is provided with optical fiber is surrounded on the central reinforce member outside, and described optical fiber bundle unit adopts the UV-cured resin one-shot forming.
On the basis of technique scheme, the external diameter of described optical fiber bundle unit is 1.15mm～1.40mm, and its inside is provided with 8～12 optical fiber.
On the basis of technique scheme, the external diameter of described optical fiber bundle unit is 1.15mm～1.20mm, and its inside is provided with eight optical fiber.
On the basis of technique scheme, the external diameter of described optical fiber bundle unit is 1.35mm～1.40mm, and its inside is provided with 12 optical fiber.
On the basis of technique scheme, be filled with fine cream between described optical fiber bundle unit and the optical fiber.
On the basis of technique scheme, described optical fiber bundle unit outside is wound with the bundle yarn.
On the basis of technique scheme, be filled with block water cable cream or waterstop between described optical fiber bundle unit and the bundle yarn.
On the basis of technique scheme, the thickness of described outer jacket is 0.35mm～0.7mm.
On the basis of technique scheme, the thickness 0.5mm of described outer jacket.
On the basis of technique scheme, the quantity of described optical fiber bundle unit is the six roots of sensation or eight.
The beneficial effects of the utility model are:
(1) optical fiber bundle unit of the present utility model adopts the UV-cured resin one-shot forming.Compare with background technology, because optical fiber bundle unit has reduced the operation of secondary pine cover, so the external diameter of optical fiber bundle unit is less, and the external diameter of the air-blowing minisize optical cable that the optical fiber bundle unit that external diameter is less is made is less.External diameter is that the external diameter of the 72 core air-blowing minisize optical cables made of the optical fiber bundle unit of 1.15mm～1.40mm is about 5.2mm, can in the sub-pipe of 8mm/6mm, carry out air-blown installation, and the quantity of the sub-pipe of air-blown installation 8mm/6mm is more than seven in female pipe of 40mm/33mm, therefore, the quantity of sub-pipe is more in female pipe, thereby so that the quantity of female pipe inner fiber is more.The fiber number of the air-blowing optical cable that employing the utility model is made has not only increased substantially the pipeline utilization factor of female pipe between 360 cores～480 cores, the utilization of conduit resource is more reasonable, and has reduced the cost of the deployment of broadband network, is suitable for promoting.
(2) optical fiber bundle unit of the present utility model adopts the UV-cured resin one-shot forming, because optical fiber bundle unit has reduced the operation of secondary pine cover, therefore not only external diameter is less for optical fiber bundle unit, and weight is lighter, when the air-blowing minisize optical cable made from optical fiber bundle unit carried out air-blown installation in sub-pipe, the cable laying speed of air-blowing minisize optical cable was very fast.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment.
Among the figure: the 1-central reinforce member, the 2-optical fiber bundle unit, the 3-outer jacket, 4-optical fiber, the fine cream of 5-, 6-pricks yarn.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.
Referring to shown in Figure 1, the air-blowing minisize optical cable of the high fibre core density among the utility model embodiment comprises outer jacket 3, the thickness 0.5mm of outer jacket 3, and its inside is provided with central reinforce member 1 and six roots of sensation optical fiber bundle unit 2.Central reinforce member 1 arranges along the axis of outer jacket 3, and to guarantee the stable of whole air-blowing minisize optical cable structure, six roots of sensation optical fiber bundle unit 2 closely is surrounded on central reinforce member 1 outside.Optical fiber bundle unit 2 adopts the UV-cured resin one-shot forming, and adopts SZ to be twisted into cable core, and not only external diameter is less, and weight is lighter.
The fiber number of the air-blowing minisize optical cable in the present embodiment is 72 cores, the external diameter of every optical fiber bundle unit 2 is 1.40mm, its inside is provided with 12 optical fiber 4, and the varying in color or adopt the look of piloting of six roots of sensation optical fiber bundle unit 2 is so that be easy to identification during optical fiber 4 difference.Be filled with fine cream 5 between optical fiber bundle unit 2 and the optical fiber 4, so that optical fiber 4 is easy to out stripping; Optical fiber bundle unit 2 outsides are wound with pricks yarn 6, with the safety of protection optical fiber bundle unit 2; Be filled with the cable cream that blocks water between optical fiber bundle unit 2 and the optical fiber 4, the cable cream that blocks water can prevent optical fiber bundle unit 2 water inlets, and also available waterstop is alternative for the cable cream that blocks water.
In actual applications, the thickness of outer jacket 3 is 0.35mm～0.7mm, and the quantity of optical fiber bundle unit 2 is the six roots of sensation or eight, chooses the outer jacket 3 of desired thickness and the optical fiber bundle unit 2 of requirement according to different demands.The external diameter of optical fiber bundle unit 2 is 1.15mm～1.40mm, and its inside is provided with 8～12 optical fiber 4, and inside is provided with optical fiber bundle unit 2 external diameters of eight optical fiber 4 between 1.15mm～1.20mm.It can be made into the air-blowing minisize optical cable of 48 cores or 64 cores, and inside is provided with optical fiber bundle unit 2 external diameters of 12 optical fiber 4 between 1.35mm～1.40mm, and it can be made into the air-blowing minisize optical cable of 72 cores or 96 cores.
The utility model external diameter be the external diameter of the 72 core air-blowing minisize optical cables made of the optical fiber bundle unit 2 of 1.35mm～1.40mm about 5.2mm, can in the sub-pipe of 8mm/6mm, carry out air-blown installation; External diameter be the external diameter of the 96 core air-blowing minisize optical cables made of the optical fiber bundle unit 2 of 1.35mm～1.40mm about 6.0mm, can in the sub-pipe of 10mm/8mm, carry out air-blown installation.When the utility model carries out air-blown installation in female pipe, fiber number in female pipe has not only increased substantially the pipeline utilization factor of female pipe between 360 cores～480 cores, the utilization of conduit resource is more reasonable, and reduced the cost of the deployment of broadband network, be suitable for promoting.
The utility model not only is confined to above-mentioned preferred forms; anyone can draw other various forms of products under enlightenment of the present utility model; no matter but do any variation in its shape or structure; every have identical with a utility model or akin technical scheme, all within its protection domain.
Claims (10)
1. the air-blowing minisize optical cable of a high fibre core density, comprise that inside is provided with the outer jacket (3) of central reinforce member (1) and optical fiber bundle unit (2), described central reinforce member (1) arranges along the axis of outer jacket (3), the optical fiber bundle unit (2) that inside is provided with optical fiber (4) is surrounded on central reinforce member (1) outside, it is characterized in that: described optical fiber bundle unit (2) adopts the UV-cured resin one-shot forming.
2. the air-blowing minisize optical cable of high fibre core density as claimed in claim 1, it is characterized in that: the external diameter of described optical fiber bundle unit (2) is 1.15mm～1.40mm, its inside is provided with 8～12 optical fiber (4).
3. the air-blowing minisize optical cable of high fibre core density as claimed in claim 2, it is characterized in that: the external diameter of described optical fiber bundle unit (2) is 1.15mm～1.20mm, its inside is provided with eight optical fiber (4).
4. the air-blowing minisize optical cable of high fibre core density as claimed in claim 2, it is characterized in that: the external diameter of described optical fiber bundle unit (2) is 1.35mm～1.40mm, its inside is provided with 12 optical fiber (4).
5. such as the air-blowing minisize optical cable of the described high fibre core density of the arbitrary claim of claim 1 to 4, it is characterized in that: be filled with fine cream (5) between described optical fiber bundle unit (2) and the optical fiber (4).
6. such as the air-blowing minisize optical cable of the described high fibre core density of the arbitrary claim of claim 1 to 4, it is characterized in that: described optical fiber bundle unit (2) outside is wound with pricks yarn (6).
7. the air-blowing minisize optical cable of high fibre core density as claimed in claim 6 is characterized in that: be filled with block water cable cream or waterstop between described optical fiber bundle unit (2) and the bundle yarn (6).
8. such as the air-blowing minisize optical cable of the described high fibre core density of the arbitrary claim of claim 1 to 4, it is characterized in that: the thickness of described outer jacket (3) is 0.35mm～0.7mm.
9. the air-blowing minisize optical cable of high fibre core density as claimed in claim 8 is characterized in that: the thickness 0.5mm of described outer jacket (3).
10. such as the air-blowing minisize optical cable of the described high fibre core density of the arbitrary claim of claim 1 to 4, it is characterized in that: the quantity of (2) is the six roots of sensation or eight.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220276021.2U CN202649556U (en) | 2012-06-13 | 2012-06-13 | Air-blowing micro optical cable with high fiber core density |
| PCT/CN2012/079920 WO2013185415A1 (en) | 2012-06-13 | 2012-08-10 | Blown miniature optic fiber cable with high fiber core density |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220276021.2U CN202649556U (en) | 2012-06-13 | 2012-06-13 | Air-blowing micro optical cable with high fiber core density |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202649556U true CN202649556U (en) | 2013-01-02 |
Family
ID=47418644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220276021.2U Expired - Lifetime CN202649556U (en) | 2012-06-13 | 2012-06-13 | Air-blowing micro optical cable with high fiber core density |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN202649556U (en) |
| WO (1) | WO2013185415A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3992685A1 (en) * | 2020-10-27 | 2022-05-04 | Sterlite Technologies Limited | Gas leak proof corrugated sheath design for reducing friction in optical fiber cables |
| WO2022262124A1 (en) * | 2021-06-17 | 2022-12-22 | 江苏中天科技股份有限公司 | Micro-cable, manufacturing method therefor, and filling device |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040208463A1 (en) * | 2003-04-15 | 2004-10-21 | Kyung-Tae Park | Cable for use in an air blowing installation and apparatus for manufacturing the same |
| CN101546019A (en) * | 2009-05-18 | 2009-09-30 | 烽火通信科技股份有限公司 | UV optical cable |
| CN201583702U (en) * | 2009-09-27 | 2010-09-15 | 成都康宁光缆有限公司 | Micro optical fiber beam unit and cable taking micro optical fiber beam unit as basic structure |
| US20110243515A1 (en) * | 2010-04-06 | 2011-10-06 | Bradley Kelvin B | Optical fiber cables |
| CN201698065U (en) * | 2010-05-31 | 2011-01-05 | 四川汇源光通信有限公司 | Optical cable structure suitable for air blowing laying |
| CN102023357B (en) * | 2010-12-31 | 2012-11-07 | 江苏通鼎光电股份有限公司 | Full-dry high fiber count air-blowing micro-cable and optical fibre bundle processing method |
| CN201974551U (en) * | 2010-12-31 | 2011-09-14 | 江苏通鼎光电股份有限公司 | Full-dry multi-core air-blowing cable |
| CN102323650B (en) * | 2011-09-14 | 2013-03-13 | 烽火通信科技股份有限公司 | Jelly mold used for manufacturing optical fiber bundle |
-
2012
- 2012-06-13 CN CN201220276021.2U patent/CN202649556U/en not_active Expired - Lifetime
- 2012-08-10 WO PCT/CN2012/079920 patent/WO2013185415A1/en active Application Filing
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3992685A1 (en) * | 2020-10-27 | 2022-05-04 | Sterlite Technologies Limited | Gas leak proof corrugated sheath design for reducing friction in optical fiber cables |
| WO2022262124A1 (en) * | 2021-06-17 | 2022-12-22 | 江苏中天科技股份有限公司 | Micro-cable, manufacturing method therefor, and filling device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013185415A1 (en) | 2013-12-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130102 |