CN202339427U - Bunched butterfly-form optical cable - Google Patents
Bunched butterfly-form optical cable Download PDFInfo
- Publication number
- CN202339427U CN202339427U CN2011202793828U CN201120279382U CN202339427U CN 202339427 U CN202339427 U CN 202339427U CN 2011202793828 U CN2011202793828 U CN 2011202793828U CN 201120279382 U CN201120279382 U CN 201120279382U CN 202339427 U CN202339427 U CN 202339427U
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- Prior art keywords
- optical cable
- butterfly
- butterfly optical
- boundling
- cable unit
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Abstract
The utility model discloses a bunched butterfly-form optical cable and relates to a compact type tensile flame-retardant bunched butterfly-form combined optical cable for indoor wiring. The optical cable comprises butterfly-form optical cable units, a non-metallic central strength member, a taping layer and a polyester coating layer, wherein the non-metallic central strength member is arranged between the butterfly-form optical cable units; the butterfly-form optical cable units are wound outside the non-metallic central strength member; the taping layer is arranged outside the butterfly-form optical cable units; and the polyester coating layer is wrapped outside the taping layer. According to the bunched butterfly-form optical cable, round butterfly-form optical cables in different numbers are wrapped outside the non-metallic central strength member according to structure requirement, industrial non-woven fabric winding packages are adopted among different layers of the butterfly-form optical cables, and the polyester belt is arranged on the outer layer of the optical cables to perform intermittent wrapping protection, and the manufacturing method is simple. The produced intensive butterfly-form optical cable has the advantages of compact structure, small cable diameter, light weight, favorable bendability and tensile lateral pressure resistant performance, and is suitable for vertical and horizontal routing in FTTH (Fiber to the Home) buildings, as well as pipe layout in buildings.
Description
Technical field
What the utility model boundling butterfly optical cable related to is that a kind of house wiring is with the fire-retardant pencil butterfly combination of compact tension optical cable; This cable adopts nonmetal central reinforce member; Wind the circular butterfly optical cable that does not wait with quantity according to structural requirement outward; And wrapped to adopting industrial nonwoven fabrics between the different levels of centering on butterfly optical cable, use polyester belt to carry out row parcel protection at intermittence at skin again.This kind structure boundling butterfly optical cable is applicable to horizontal or vertical wiring in FTTH (Fiber to the home) building, and existing stronger tensile strength very is easy to branch again.
Background technology
At present; Common butterfly optical cable technology is ripe relatively; Put in the practical application, its structure mainly adopts: colored optical fiber adds parallel reinforcement flat structure, tightly packaged fiber and adds parallel reinforcement flat structure, fibre ribbon and add parallel reinforcement flat structure, optical fiber (or hard-pressed bale is fine, optical fiber) band and add parallel adding and force suspention line flat structure.Flat structure separation optical fiber and anti-pressure ability are comparatively outstanding, but determine that in the bending property limitation of some direction it mainly is to make independent house wiring to use.When the large quantities of bunchys of indoor needs use, can't pass horizontal pipe in batches; Need band to tighten during the bunchy vertical wirings, not good to the protection of optical cable.
Summary of the invention
The utility model purpose is to provide to above-mentioned weak point to be fit to into the wiring in bundles butterfly optical cable, is used for indoor horizontal or vertical one-tenth wiring in bundles, provides convenient greatly for indoor butterfly optical cable connects up in batch.This cable adopts nonmetal central reinforce member, winds the circular butterfly optical cable that does not wait with quantity according to structural requirement outward, and wrapped to adopting industrial nonwoven fabrics between the different levels of centering on butterfly optical cable; Use polyester belt to carry out row parcel protection at intermittence at skin again, method for making is simple, the intensive butterfly optical cable of processing; Compact conformation, the cable footpath is little, in light weight; Good bendability and tension lateral pressure resistant performance are applicable to vertical wirings and horizontal wiring in the FTTH building, the wiring of building interior conduit.
The boundling butterfly optical cable takes following scheme to realize:
The boundling butterfly optical cable comprises butterfly optical cable unit, nonmetal central reinforce member, wrapped belt and polyester clad.In order to increase boundling butterfly optical cable tensile strength nonmetal central reinforce member (nonmetal tensile elements) can be set in the middle of the boundling butterfly optical cable; Be around with the butterfly optical cable unit at nonmetal central reinforce member (nonmetal tensile elements); Wrapped belt is arranged outside the butterfly optical cable unit, outside wrapped belt, be surrounded with the polyester clad.Said wrapped belt adopts the wrapped belt of nonwoven fabrics.Said polyester clad adopts the polyester belt clad.Said nonmetal central reinforce member adopts spun glass FRP central reinforce member.
Said butterfly optical cable unit is set to 12 and 12 when following; Directly one deck is stranded outside nonmetal tensile elements in the butterfly optical cable unit; Said butterfly optical cable unit is set to 12 when above, and the layering outside nonmetal tensile elements of butterfly optical cable unit is wrapped, and the layering principle is outerly to Duo 6 than internal layer; Wrapped outside the butterfly optical cable unit with nonwoven fabrics, use polyester belt to wrap up at interval at outermost layer.
Said butterfly optical cable unit adopts single core or twin-core butterfly optical cable unit, and optical fiber is positioned at butterfly optical cable unit central authorities, and the optical fiber both sides are strengthened with parallel metal or non-metal reinforcement member, and the outside is covered with the fluting sheath.Said fluting sheath can adopt materials such as PVC, low smoke halogen-free flame-retardant polyolefin.Said optical fiber adopts the G657A2 colored optical fiber.
Said butterfly optical cable unit is provided with 2 at least.
Boundling butterfly optical cable method for making is following:
1,1 ~ 4 optical fiber is installed on the fiber placing shaft, adjust the fine tension force of putting of optical fiber, put fine tension force 30 ~ 90g.
Said optical fiber adopts the G657A2 colored optical fiber, and the G657A2 colored optical fiber is blue when adopting one, and the G657A2 colored optical fiber is respectively blue, orange dichromatism when adopting two.The G657A2 colored optical fiber is blue, orange, green, brown four looks when adopting four.
2, two parallel reinforcements of diameter 0.5mm～0.6mm are installed on the pay off rack, adjust the reinforcement laying tension, laying tension 5-10N.
Said parallel reinforcement adopts metal reinforcement to select the phosphatization steel wire for use, and said parallel reinforcement adopts non-metal reinforcement member to select spun glass FRP for use.
3, adjust the butterfly optical cable extruded mould, require not core shift of mould, distance between adjustment core rod and the die sleeve makes core rod 2-4mm behind the die sleeve mouth foremost.
4, optical fiber and parallel reinforcement are drawn through tension controller reception line direction, and be incorporated in the mould.
5, regulate sheath material extrusion temperature, extrusion molding speed; Said extrusion temperature is 130～170 ℃, and said extrusion molding speed is 50～60 meters/minute, is covered with one deck fluting sheath through the extrusion molding mould at optical fiber and parallel reinforcement outsourcing; Through hot water storgae, the cooling of cold rinse bank secondary; The hot water storgae temperature is at 30 ~ 50 ℃, and the cold rinse bank temperature is promptly processed the butterfly optical cable unit at 15 ~ 25 ℃.Said butterfly optical cable unit external diameter 2.8～3.0mm, groove depth 0.4～0.6mm, sheath peeling force 3-10N, optical fiber can be extracted out about 150～200mm from the fluting sheath.Said fluting sheath can adopt materials such as low smoke halogen-free flame-retardant polyolefin, PVC.PVC extrusion temperature scope is 130 ~ 170 ℃, and low smoke halogen-free flame-retardant polyolefin extrusion temperature scope is 125 ~ 165 ℃.
6, the butterfly optical cable unit to above-mentioned completion carries out optical fiber attenuation, peeling force and length detection, the butterfly optical cable unit is filled to strand cage pay off rack after qualified, and laying tension is regulated 3-5N.
7, nonmetal central reinforce member is installed on the pay off rack of strand behind the cage, regulates that to strengthen laying tension be 50 to 80N.Said nonmetal central reinforce member adopts spun glass FRP central reinforce member.
8, some butterfly optical cables unit is wrapped on central reinforce member; Twisting pitch is adjusted to 500-600mm; Outside the butterfly optical cable unit, use nonwoven fabrics wrapped; Twining package tape is selected the wide nonwoven fabrics of 18-22mm, and wrapped tension adjustment is 3-5N, and wrapped overlap joint is controlled to be the 15-20% of nonwoven fabrics width.Said butterfly optical cable unit is provided with 2 at least.
9, the outer use in wrapped intact butterfly optical cable unit self-adhesion polyester belt is carried out row parcel protection at intermittence, use 20mm wide, vertically wrap up for one meter at the self-adhesion polyester belt interval that 0.25mm is thick, behind parcel, promptly processes the boundling butterfly optical cable, around to take-up reel.
The boundling butterfly optical cable is reasonable in design, and the wiring of indoor multicore branch is extremely convenient, and the manufacture craft flow process is simple and reliable.Advantage through the utility model boundling butterfly optical cable:
1. adopt LSZH or PVC protective cover material and the G657A2 optical fiber of nonmetal central reinforce member, shore hardness 88A, optical cable has good bending property.
2. boundling butterfly optical cable skin does not extrude sheath, so the butterfly optical cable cell branch is very convenient.
3. the beaming type structure has improved the capacity of unit area optical fiber, saves the house wiring space resources greatly.
4. make cable directly tend to small-sized, the weight trend is light-duty.
5. have fabulous bending property after the subelement branch, bending radius can reach 7.5mm, and opens stripping conveniently.
6. construction continues conveniently, can use multiple construction methods such as quick connection, cold joint, thermal welding.
7. the butterfly optical cable element number can reach 50 cores, every unit number of fibers 1-4 root.
Description of drawings
Below will combine dimensional drawing that the utility model is described further:
Fig. 1 is the utility model boundling butterfly optical cable structural representation.
Fig. 2 is the following boundling butterfly optical cable of the utility model 12 a cores structural representation.
Fig. 3 is the above boundling butterfly optical cable of the utility model 12 a cores structural representation.
Embodiment
With reference to accompanying drawing 1 the utility model boundling butterfly optical cable structural representation; It shown in the figure circular single core colored optical fiber butterfly optical cable unit 2; Butterfly optical cable unit 2 comprises single core colored optical fiber 2-1, parallel enhancement Layer (metal adopts steel wire, nonmetal employing FRP) 2-2, sheath (low smoke halogen-free flame-retardant polyolefin or PVC) 2-3.
Boundling butterfly optical cable method for making:
1,1～4 optical fiber 2-1 is installed on the fiber placing shaft, adjust the fine tension force of putting of optical fiber, put fine tension force 30 ~ 90g.
Said optical fiber 2-1 adopts the G657A2 colored optical fiber, and the G657A2 colored optical fiber is blue when adopting one, and the G657A2 colored optical fiber is respectively blue, orange dichromatism when adopting two.The G657A2 colored optical fiber is blue, orange, green, brown four looks when adopting four.
2, two parallel reinforcement 2-2 of diameter 0.4mm～0.6mm are installed on the pay off rack, adjust the reinforcement laying tension, laying tension 5-10N.
Said parallel reinforcement 2-2 adopts metal reinforcement to select the phosphatization steel wire for use, and said parallel reinforcement 2-2 adopts non-metal reinforcement member to select spun glass FRP for use.
3, adjust the butterfly optical cable extruded mould, require not core shift of mould, distance between adjustment core rod and the die sleeve makes core rod 2-4mm behind the die sleeve mouth foremost.
4, optical fiber 2-1 and parallel reinforcement 2-2 are drawn through tension controller reception line direction, and be incorporated in the mould.
5, regulate sheath material extrusion temperature, extrusion molding speed; Said extrusion temperature is 130～170 ℃, and said extrusion molding speed is 50～60 meters/minute, is covered with one deck fluting sheath 2-3 through the extrusion molding mould at optical fiber 2-1 and parallel reinforcement 2-2 outsourcing; Through hot water storgae, the cooling of cold rinse bank secondary; The hot water storgae temperature is at 30 ~ 50 ℃, and the cold rinse bank temperature is promptly processed butterfly optical cable unit 2 at 15 ~ 25 ℃.Said butterfly optical cable unit 2 external diameters, 2.8～3.0mm, groove depth 0.4～0.6mm, sheath peeling force 3-10N, optical fiber can be extracted out about 150～200mm from the fluting sheath.Said fluting sheath can adopt materials such as low smoke halogen-free flame-retardant polyolefin, PVC.
6, the butterfly optical cable unit 2 to above-mentioned completion carries out optical fiber attenuation, peeling force and length detection, butterfly optical cable unit 2 is filled to strand cage pay off rack after qualified, and laying tension is regulated 3-5N.
7, nonmetal central reinforce member 1 is installed on the pay off rack of strand behind the cage, regulates that to strengthen laying tension be 50 to 80N.Said nonmetal central reinforce member 1 adopts spun glass FRP central reinforce member.
8, some butterfly optical cables unit 2 is wrapped on nonmetal central reinforce member 1; Twisting pitch is adjusted to 500-600mm; Outside butterfly optical cable unit 2, use nonwoven fabrics wrapped; Twining package tape is selected the wide nonwoven fabrics of 18-22mm, and wrapped tension adjustment is 3-5N, and wrapped overlap joint is controlled to be the 15-20% of nonwoven fabrics width.Said butterfly optical cable unit 2 is provided with 2 at least.
9, the outer use in wrapped intact butterfly optical cable unit self-adhesion polyester belt is carried out row parcel protection at intermittence, use 20mm wide, vertically wrap up for one meter at the self-adhesion polyester belt interval that 0.25mm is thick, behind parcel, promptly processes the boundling butterfly optical cable, around to take-up reel.
Claims (9)
1. a boundling butterfly optical cable is characterized in that comprising butterfly optical cable unit, nonmetal central reinforce member, wrapped belt and polyester clad; In the middle of the boundling butterfly optical cable, nonmetal central reinforce member is set, is around with the butterfly optical cable unit, wrapped belt is arranged outside the butterfly optical cable unit, outside wrapped belt, be surrounded with the polyester clad at nonmetal central reinforce member.
2. a kind of boundling butterfly optical cable according to claim 1 is characterized in that said wrapped belt adopts the wrapped belt of nonwoven fabrics.
3. a kind of boundling butterfly optical cable according to claim 1 is characterized in that said polyester clad adopts the polyester belt clad.
4. a kind of boundling butterfly optical cable according to claim 1 is characterized in that said central reinforce member adopts spun glass FRP central reinforce member.
5. a kind of boundling butterfly optical cable according to claim 1 is characterized in that said butterfly optical cable unit is set to 12 and 12 when following, and directly one deck is stranded outside nonmetal tensile elements in the butterfly optical cable unit.
6. a kind of boundling butterfly optical cable according to claim 1; It is characterized in that said butterfly optical cable unit is set to 12 when above; The layering outside nonmetal tensile elements of butterfly optical cable unit is wrapped; The layering principle is that skin is Duoed 6 than internal layer, and is wrapped with nonwoven fabrics outside the butterfly optical cable unit, uses polyester belt to wrap up at interval at outermost layer.
7. a kind of boundling butterfly optical cable according to claim 1; It is characterized in that said butterfly optical cable unit adopts single core or twin-core butterfly optical cable unit; Optical fiber is positioned at butterfly optical cable unit central authorities, and the optical fiber both sides are strengthened with parallel metal or non-metal reinforcement member, and the outside is covered with the fluting sheath; Said optical fiber adopts the G657A2 colored optical fiber.
8. a kind of boundling butterfly optical cable according to claim 1 is characterized in that said fluting sheath can adopt PVC or low-smoke halide-free fireproof composite polyolefine material.
9. a kind of boundling butterfly optical cable according to claim 1 is characterized in that said butterfly optical cable unit is provided with 2 at least.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202793828U CN202339427U (en) | 2011-08-03 | 2011-08-03 | Bunched butterfly-form optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202793828U CN202339427U (en) | 2011-08-03 | 2011-08-03 | Bunched butterfly-form optical cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202339427U true CN202339427U (en) | 2012-07-18 |
Family
ID=46488117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202793828U Expired - Fee Related CN202339427U (en) | 2011-08-03 | 2011-08-03 | Bunched butterfly-form optical cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202339427U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103353652A (en) * | 2013-06-18 | 2013-10-16 | 成都亨通光通信有限公司 | Cluster-type butterfly-shape optical cable |
| CN104049327A (en) * | 2013-03-11 | 2014-09-17 | 王其彪 | Two-core cold-joint-type rubber-insulated-wire cable and four-core cold-joint-type rubber-insulated-wire cable |
| WO2016086894A1 (en) * | 2014-12-05 | 2016-06-09 | 泰科电子(上海)有限公司 | Method for manufacturing optical cable |
| CN108363150A (en) * | 2017-05-31 | 2018-08-03 | 汕头高新区奥星光通信设备有限公司 | A kind of modular inside cable |
-
2011
- 2011-08-03 CN CN2011202793828U patent/CN202339427U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104049327A (en) * | 2013-03-11 | 2014-09-17 | 王其彪 | Two-core cold-joint-type rubber-insulated-wire cable and four-core cold-joint-type rubber-insulated-wire cable |
| CN103353652A (en) * | 2013-06-18 | 2013-10-16 | 成都亨通光通信有限公司 | Cluster-type butterfly-shape optical cable |
| WO2016086894A1 (en) * | 2014-12-05 | 2016-06-09 | 泰科电子(上海)有限公司 | Method for manufacturing optical cable |
| CN108363150A (en) * | 2017-05-31 | 2018-08-03 | 汕头高新区奥星光通信设备有限公司 | A kind of modular inside 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 |
Granted publication date: 20120718 Termination date: 20150803 |
|
| EXPY | Termination of patent right or utility model |