CN1225666C - Multicore bunched close-covered optical fibre unit and its production method - Google Patents
Multicore bunched close-covered optical fibre unit and its production method Download PDFInfo
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- CN1225666C CN1225666C CN 03113289 CN03113289A CN1225666C CN 1225666 C CN1225666 C CN 1225666C CN 03113289 CN03113289 CN 03113289 CN 03113289 A CN03113289 A CN 03113289A CN 1225666 C CN1225666 C CN 1225666C
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Abstract
The present invention provides a multi-core bunched tight-packaged optical fiber unit and a fabrication method thereof, and relates to multi-core concentrated tight-packaged optical fiber and a fabrication method. The multi-core concentrated tight-packaged optical fiber is formed by that multi-core optical fiber is tightly synthesized into tight-packaged optical fiber units coated with sheaths by macromolecular materials. The multi-core bunched tight-packaged optical fiber unit comprises sheaths, and a layer made from multi-core optical fiber macromolecular optical-cured materials. The multi-core optical fiber is composed of a plurality of dyed optical fiber, and is tightly synthesized into multi-core optical fiber bunches by macromolecular optical-cured materials. The outer part of the multi-core optical fiber bunch is provided with a sheath. The present invention has the fabrication method that a plurality of dyed optical fiber is arranged on a fiber delivery shaft; the multi-core dyed optical fiber is led in a tight-packaging mold, and is wound on an optical fiber retracting disk in the correct direction; the macromolecular optical-cured materials are filled in the tight-packaging mold which is provided with the multi-core dyed optical fiber, and protective gas is led in the tight-packaging mold simultaneously; the multi-core tight-packaged optical fiber bunches are formed after ultraviolet optical curing, and are coated with one layer of the sheaths made from macromolecular materials; the multi-core tight-packaged optical fiber bunches are made into the multi-core bunched tight-packaged optical fiber unit after cooling.
Description
Technical field
What multicore beaming type tightly packaged fiber unit of the present invention and preparation method thereof related to is to add sheath formation microbeam type tightly packaged fiber and process for making after a kind of employing macromolecular material synthesizes tightly packaged fiber unit with the tight method of multi-core fiber.This tightly packaged fiber is applicable to that air-blowing enters conduit and carries out pipeline laying again, can be used for also can be used for house wiring in the toll communication optical cable circuit, will connect between communication facilities computing machine, Private Branch Exchange PBX and the end user device in the buildings.
Background technology
Ditching direct-burried expense and highway that construction is long-distance at present, the local line cable network cycle long, paid take damages than higher, in addition in the past the optical cable producer big core of main line that can provide to count the general diameter of optical cable bigger, disposable to take construction fund many so the communication pipe building cost height of cable network, long, big core of cycle are counted optical cable.High and the actual market that cable network is built nonrecurring cost slowly causes each telecom operators to establish the high and low basic problem of investment utilization factor of the cost of investment that can't avoid aspect the cable network building up to the demand growth of fiber resource.
Summary of the invention
The present invention seeks to provides a kind of Microbeam Type Close-covered Optic Fibre Unit And Its Preparation Method at above-mentioned weak point, adopt the high-molecular optical curing materials that some optical fiber are closely solidified and be combined into tightly packaged fiber unit, add the macromolecular material sheath and constitute microbeam type tightly packaged fiber, method for making is simple, the intensive tightly packaged fiber of making, cable directly is a microminiature, in light weight, good bendability and tension lateral pressure resistant performance enter conduit applicable to air-blowing and carry out in the long-distance key communication line of pipeline laying again.
Microbeam Type Close-covered Optic Fibre Unit And Its Preparation Method takes following scheme to realize:
The Microbeam Type Close-covered Optic Fibre Unit structure comprises that multi-core fiber, high-molecular optical curing material layer, sheath, multi-core fiber be made up of some colored optical fibers, multi-core fiber is combined closely by the high-molecular optical curing materials and is formed the multi-core fiber bundle, in multi-core fiber bundle outer setting sheath is arranged.Sheath can adopt macromolecular materials such as Polyvinylchloride, tygon to constitute.Macromolecular material can adopt acrylate, silicon rubber etc.Can nonmetal tensile elements be set intrafascicular of multi-core fiber in order to increase fiber unit tensile strength.Non-metal component can adopt aramid fiber, glass fibre reinforcement etc.
The method for making of a kind of microbeam type tight-buffered fiber optic cable unit is characterized in that:
1, is that multi-core fiber installs on the fiber placing shaft with some colored optical fibers, adjusts the fine tension force of putting of every coiled optical fiber, put fine line power 30～90g.
2, more above-mentioned multicore colored optical fiber is imported in the hard-pressed bale mould, multi-core fiber is pressed correct direction on take-up reel.
3, regulate high-molecular optical curing materials pressure, temperature, adjusting pressure is 2.0～5.0bar (crust), and temperature is 30～60 ℃, and the high-molecular optical curing materials can adopt acrylate, silicon rubber etc.High-molecular optical curing materials valve is opened in employing, regulates the protective gas consumption simultaneously, and protective gas can adopt nitrogen and other inert gases.
4, multicore colored optical fiber hard-pressed bale mould is equipped with in above-mentioned high-molecular optical curing materials injection, imports protective gas simultaneously.
5, the above-mentioned multicore colored optical fiber that is coated with photo-curing material is carried out ultraviolet light polymerization, adopt the substep UV curing method, carry out ultraviolet light precuring earlier and adopt more weak UV-irradiation, shine curing with stronger ultraviolet light again.More weak UV-irradiation power setting is 600～800W, and stronger UV-irradiation power is 800～1200W.
6, be coated with the multicore colored optical fiber of photo-curing material, behind ultraviolet light polymerization, promptly make multicore tightly packaged fiber bundle, around to take-up reel.
7, with multicore tightly packaged fiber bundle, the extrusion molding mould by extruding machine is covered with one deck macromolecular material sheath in the outsourcing of multicore tightly packaged fiber unit, and 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 at 15～25 ℃.Promptly make Microbeam Type Close-covered Optic Fibre Unit.Sheath can adopt macromolecular materials such as Polyvinylchloride, tygon to make.
Microbeam type bundle type tightly packaged fiber unit is reasonable in design, and the manufacture craft flow process is simple and reliable.The advantage of the multicore beaming type tightly packaged fiber of making through the present invention:
1, the splendid photo-cured coating of performance.
2, adopt photo-curing material, the 900um tight buffer layer is easy to divest.
3, improved the capacity of unit area optical fiber.
4, make cable directly tend to miniature, the weight trend is light-duty.
5, good bending property and lateral pressure resistant performance.
6, in the annoying plastic catheter that is blown into minor diameter.
7, adopt the present invention to produce the optical cable unit and build low, the investment economy of optical networking cost, avoid substantial contribution to overstock.
Description of drawings
The invention will be further described below with reference to accompanying drawing.
Fig. 1 is Microbeam Type Close-covered Optic Fibre Unit structural representation Fig. 1.
Fig. 2 is Microbeam Type Close-covered Optic Fibre Unit structural representation Fig. 2.
Embodiment
Comprise multi-core fiber 2, high-molecular optical curing material layer 3, sheath 1 with reference to accompanying drawing 1,2 Microbeam Type Close-covered Optic Fibre Unit structures.Multi-core fiber 2 is made up of some colored optical fibers, and multi-core fiber is combined closely by high-molecular optical curing material layer 3 and constituted the multi-core fiber bundle, in multi-core fiber bundle outer setting sheath 1 is arranged.Sheath can adopt macromolecular materials such as Polyvinylchloride, tygon to constitute, and can be provided with nonmetal tensile elements 4 intrafascicular of multi-core fiber, is used to increase fiber unit tensile strength (seeing accompanying drawing 2).
Microbeam Type Close-covered Optic Fibre Unit method for making embodiment 1.
1, is that multi-core fiber installs on the fiber placing shaft with 4 colored optical fibers, adjusts the fine tension force of putting of every coiled optical fiber, put fine line power 30～90g.
2, more above-mentioned multicore colored optical fiber is imported in the hard-pressed bale mould, multi-core fiber is pressed correct direction on take-up reel.
3, regulate high-molecular optical curing materials pressure, temperature, adjusting pressure is 2.0～5.0bar (crust), and temperature is 30～60 ℃, and the high-molecular optical curing materials can adopt acrylate, silicon rubber etc.Open high-molecular optical curing materials valve, regulate the protective gas consumption simultaneously, protective gas can adopt nitrogen and other inert gases.
4, multicore colored optical fiber hard-pressed bale mould is equipped with in above-mentioned high-molecular optical curing materials injection, imports protective gas simultaneously.
5, the above-mentioned multicore colored optical fiber that is coated with photo-curing material is carried out ultraviolet light polymerization, adopt the substep UV curing method, carry out ultraviolet light precuring earlier and adopt more weak UV-irradiation, shine curing with stronger ultraviolet light again.More weak UV-irradiation power setting is 600～800W, and stronger UV-irradiation power is 800～1200W.
6, be coated with the multicore colored optical fiber of photo-curing material, behind ultraviolet light polymerization, promptly make multicore tightly packaged fiber bundle, around to take-up reel.
7, with multicore tightly packaged fiber bundle, the extrusion molding mould by extruding machine is covered with one deck polyvinyl chloride macromolecule material sheath in the outsourcing of multicore tightly packaged fiber unit, and 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 at 15～25 ℃.Promptly make Microbeam Type Close-covered Optic Fibre Unit.Sheath can adopt macromolecular materials such as Polyvinylchloride, tygon to make.
Microbeam Type Close-covered Optic Fibre Unit method for making embodiment 2.
1, is that multi-core fiber installs on the fiber placing shaft with 6 colored optical fibers, adjusts the fine tension force of putting of every coiled optical fiber, put fine line power 30～90g.
2, more above-mentioned multicore colored optical fiber is imported in the hard-pressed bale mould, multi-core fiber is pressed correct direction on take-up reel.
3, regulate high-molecular optical curing materials pressure, temperature, adjusting pressure is 2.0～5.0bar (crust), and temperature is 30～60 ℃, and the high-molecular optical curing materials can adopt acrylate, silicon rubber etc.Open high-molecular optical curing materials valve, regulate the protective gas consumption simultaneously, protective gas can adopt nitrogen and other inert gases.
4, multicore colored optical fiber hard-pressed bale mould is equipped with in above-mentioned high-molecular optical curing materials injection, imports protective gas simultaneously.
5, the above-mentioned multicore colored optical fiber that is coated with photo-curing material is carried out ultraviolet light polymerization, adopt the substep UV curing method, carry out ultraviolet light precuring earlier and adopt more weak UV-irradiation, shine curing with stronger ultraviolet light again.More weak UV-irradiation power setting is 600～800W, and stronger UV-irradiation power is 800～1200W.
6, be coated with the multicore colored optical fiber of photo-curing material, behind ultraviolet light polymerization multicore tightly packaged fiber bundle, around to take-up reel.
7, with multicore tightly packaged fiber bundle, the extrusion molding mould by extruding machine is covered with layer of polyethylene macromolecular material sheath in the outsourcing of multicore tightly packaged fiber unit, and 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 at 15～25 ℃.Promptly make Microbeam Type Close-covered Optic Fibre Unit.Sheath can adopt macromolecular materials such as Polyvinylchloride, tygon to make.
Claims (3)
1, the method for making of a kind of microbeam type tight-buffered fiber optic cable unit is characterized in that:
(1) is that multi-core fiber installs on the fiber placing shaft with some colored optical fibers, adjusts the fine tension force of putting of every coiled optical fiber, put fine line power 30～90g;
(2) more above-mentioned multicore colored optical fiber is imported in the hard-pressed bale mould, multi-core fiber is pressed correct direction on take-up reel;
(3) regulate high-molecular optical curing materials pressure, temperature, adjusting pressure is 2.0～5.0bar, and temperature is 30～60 ℃, opens high-molecular optical curing materials valve, regulates the protective gas consumption simultaneously, and protective gas adopts nitrogen and other inert gases;
(4) multicore colored optical fiber hard-pressed bale mould is equipped with in above-mentioned high-molecular optical curing materials injection, imports protective gas simultaneously;
(5) the above-mentioned multicore colored optical fiber that is coated with photo-curing material is carried out ultraviolet light polymerization, adopt the substep UV curing method, carry out ultraviolet light precuring earlier and adopt more weak UV-irradiation, shine curing with stronger ultraviolet light again, more weak UV-irradiation power setting is 600～800W, and stronger UV-irradiation power is 800～1200W;
(6) be coated with the multicore colored optical fiber of photo-curing material, behind ultraviolet light polymerization, promptly make multicore tightly packaged fiber bundle, around to take-up reel;
(7) with multicore tightly packaged fiber bundle, extrusion molding mould by extruding machine is covered with one deck macromolecular material sheath in the outsourcing of multicore tightly packaged fiber unit, and through hot water storgae, the cooling of cold rinse bank secondary, the hot water storgae temperature is at 30～50 ℃, the cold rinse bank temperature is promptly made microbeam type tight-buffered fiber optic cable unit at 15～25 ℃.
2, the method for making of microbeam type tight-buffered fiber optic cable according to claim 1 unit is characterized in that sheath adopts Polyvinylchloride, vinyl polymer material to constitute.
3, the method for making of microbeam type tight-buffered fiber optic cable according to claim 1 unit is characterized in that the high-molecular optical curing materials adopts polypropylene resin, silicon rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03113289 CN1225666C (en) | 2003-04-25 | 2003-04-25 | Multicore bunched close-covered optical fibre unit and its production method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03113289 CN1225666C (en) | 2003-04-25 | 2003-04-25 | Multicore bunched close-covered optical fibre unit and its production method |
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| Publication Number | Publication Date |
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| CN1460873A CN1460873A (en) | 2003-12-10 |
| CN1225666C true CN1225666C (en) | 2005-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 03113289 Expired - Lifetime CN1225666C (en) | 2003-04-25 | 2003-04-25 | Multicore bunched close-covered optical fibre unit and its production method |
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Families Citing this family (10)
| 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 |
| JP5708015B2 (en) * | 2010-02-26 | 2015-04-30 | 住友電気工業株式会社 | Fiber optic cable |
| 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 |
| CN101840044A (en) * | 2010-06-11 | 2010-09-22 | 烽火通信科技股份有限公司 | Novel fiber bundle central tube type optical cable |
| 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 |
| CN103399384A (en) * | 2013-08-07 | 2013-11-20 | 江苏中天科技股份有限公司 | Displacement sensing optical cable and manufacturing method thereof |
| AU2016229359A1 (en) * | 2015-03-10 | 2017-09-28 | Corning Optical Communications LLC | Optical fiber bundle |
| CN109298495A (en) * | 2018-12-03 | 2019-02-01 | 江苏中天科技股份有限公司 | Large core number air-blowing micro-cable based on fiber bundle structure |
| CN109709651B (en) * | 2018-12-26 | 2020-06-30 | 湖北凯乐科技股份有限公司 | Processing technology of bunched pipeline composite miniature optical cable |
| CN113820806A (en) * | 2021-09-10 | 2021-12-21 | 南京华信藤仓光通信有限公司 | Miniature disc-shaped optical cable and manufacturing method thereof |
-
2003
- 2003-04-25 CN CN 03113289 patent/CN1225666C/en not_active Expired - Lifetime
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Assignee: ZHONGTIAN TECHNOLOGY FIBER POTICS Co.,Ltd. Assignor: JIANGSU ZHONGTIAN TECHNOLOGY Co.,Ltd. Contract fulfillment period: 2006.6.1 to 2016.6.1 Contract record no.: 2008320000913 Denomination of invention: Multicore bunched close-covered optical fibre unit and its production method Granted publication date: 20051102 License type: Exclusive license Record date: 20081014 |
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Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2006.6.1 TO 2016.6.1; CHANGE OF CONTRACT Name of requester: ZHONGTIAN SCIENCE OPTICAL FIBER CO., LTD. Effective date: 20081014 |
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Effective date of registration: 20180502 Address after: 226463 No. 1 Zhong Tian Road, Hekou Town, Rudong, Nantong, Jiangsu Co-patentee after: ZHONGTIAN POWER OPTICAL CABLE Co.,Ltd. Patentee after: JIANGSU ZHONGTIAN TECHNOLOGY Co.,Ltd. Address before: 226463 Zhao Gang village, Hekou Town, Rudong, Nantong, Jiangsu Patentee before: JIANGSU ZHONGTIAN TECHNOLOGY Co.,Ltd. |
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Granted publication date: 20051102 |
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