CN107422438A - A kind of Full-dry optical fiber is with sleeve pipe and its manufacture method and made optical cable - Google Patents
A kind of Full-dry optical fiber is with sleeve pipe and its manufacture method and made optical cable Download PDFInfo
- Publication number
- CN107422438A CN107422438A CN201710803569.5A CN201710803569A CN107422438A CN 107422438 A CN107422438 A CN 107422438A CN 201710803569 A CN201710803569 A CN 201710803569A CN 107422438 A CN107422438 A CN 107422438A
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- Prior art keywords
- sleeve pipe
- fibre ribbon
- optical fiber
- full
- vacuum
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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
- G02B6/44—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
- G02B6/443—Protective covering
-
- 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
- G02B6/44384—Means specially adapted for strengthening or protecting the cables the means comprising water blocking or hydrophobic materials
-
- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
The present invention relates to a kind of Full-dry optical fiber with sleeve pipe and its manufacture method and made optical cable.Described sleeve pipe is flexible sleeve, and optical communication element is set with described flexible sleeve, and described optical communication element is fibre ribbon, and described fibre ribbon is superimposed to form fibre ribbon array, and one layer of water blocking layer is provided between fibre ribbon array and sleeve pipe.The fine capacity of sleeve pipe of the present invention is big, sleeve pipe is made after type by agent and accurately shaped by sizing tool, Vacuum shaping tank, pass through corresponding excess length control device simultaneously, accurately control the remaining length of sleeve pipe inner fiber band, make sleeve pipe not only forming in the case of large core number fiber capacity, optical fiber does not stress, and has excellent mechanical performance, bending property and environmental resistance；Flexible dry type sleeve pipe bending radius is small, can be laid in narrow space, reduces the fault rate of lightguide cable link, improve communication lines by reliability, bring convenience to use；Made optical cable fibre capacity is big, and difference continues convenient.
Description
Technical field
The present invention relates to a kind of optical cable for communication technology, and in particular to a kind of Full-dry optical fiber band sleeve pipe and its manufacture method
And the optical cable made by the sleeve pipe.
Background technology
Optical fiber is quick, high efficiency of transmission mass data reliable way the most in internet system.Consumer wishes certainly
Oneself mobile device can network whenever and wherever possible, and caused magnanimity big data promotes the bandwidth demand at Future Data center will not
It is disconnected to increase." fiber to the home " (FTTH) technology is that access internet is fastest, most reliable solution.Fiber-to-the-home
Needed in system by access optical cable progress difference continue, and first from optical cable difference come out be the sleeve pipe for being set with optical fiber,
Sleeve pipe carries out disk and stays tap again after entering fiber storage box.The sleeve pipe of existing optical cable mostly fiber number is less, it is difficult to which satisfaction is tapped into
The demand at family, the use material hardness of sleeve pipe is higher, and the making precision of sleeve pipe is low, and the bending radius of optical cable and sleeve pipe is big, and sleeve pipe can not
Stayed in small space inner disc, this continues to the difference of optical fiber and brings very big inconvenience, in addition, mostly filling is fine in existing sleeve pipe
As material water-proof material, optical fiber need to be cleared up fine cream cream before continuing, and this, which gives to use, also brings inconvenience.
The content of the invention
The technical problems to be solved by the invention are to provide Full-dry optical fiber for above-mentioned the shortcomings of the prior art
With sleeve pipe and its manufacture method and made optical cable, the sleeve pipe not only has preferably machinery and corrosion resisting property, and fine
Capacity is big, good bending property, and the precision of making is high.
Full-dry optical fiber technical scheme with well of the present invention is：Include sleeve pipe and optical communication element, it is characterised in that
Described sleeve pipe is flexible sleeve, and optical communication element is set with described flexible sleeve, and described optical communication element is optical fiber
Band, described fibre ribbon are superimposed to form fibre ribbon array, and one layer of water blocking layer is provided between fibre ribbon array and sleeve pipe.
By such scheme, described flexible sleeve is made up of the high density polyethylene (HDPE) or polypropylene material of flexibility, sleeve pipe
One-sided thickness be 0.6~1.2mm.
By such scheme, described fibre ribbon is 4~24, and the core number of each fibre ribbon is 4~36 cores.
By such scheme, described fibre ribbon twists into S or Z twists rotation and is laid in flexible sleeve, swivel away from for 300~
800mm。
By such scheme, described water blocking layer is made up of vertical formula waterstop of being responsible for a task until it is completed, and the tape thickness that blocks water is 0.1~0.2mm.
Technical scheme of the Full-dry optical fiber of the present invention with method of making sleeve tube be：
Fibre ribbon unwrapping wire and boundling：Plurality of ribbons is respectively installed on pay off rack, by corresponding tension force guide wheel, used
Certain tension force passes through fibre ribbon collection fibre mould, and fibre ribbon collection fibre mould makes fibre ribbon be formed by certain putting in order with orientation
The fibre ribbon array of rectangle, and to front haulage；
Waterstop unwrapping wire and vertical bag：Waterstop passes through longitudinal tubing mould, and optical fiber by pay off rack with certain laying tension
Band array is admitted in extruder head die orifice together；
Extrude flexible sleeve：The fibre ribbon array for coating waterstop is molded extrusion molding mould by traction threading, by extruding machine and
The extrusion molding mould of phase configuration is by flexible sleeve extrusion forming；
Sizing and vacuum water-cooled shaping：Fibre ribbon array and waterstop are connected into sizing tool together with the flexible sleeve of extrusion
With Vacuum shaping tank, tentatively shaped in sizing tool, subsequently into Vacuum shaping tank cooling and shaping；
Bosh and excess length control straining pulley：Preliminary cooling and shaping when sleeve pipe passes through sizing tool and Vacuum shaping tank, then pass through
Supercooling tank further cools down, and by controlling the laying tension of fibre ribbon, the twisting pitch of fibre ribbon, vacuum sizing tank
With the water temperature of bosh, tension adjustment is carried out by excess length control straining pulley, essence is carried out to long more than the fibre ribbons in flexible sleeve
Quasi- control；
Drying closing quotation：Most afterwards after drying drying process and the detection of defect instrument, by takeup tension control wheel, by flexible boot pipe dish
In corresponding take-up reel.
By such scheme, described Vacuum shaping tank includes closed bosh, and the side of bosh is installed
Sizing tool, opposite side coaxial pair should install cannula exit, a certain amount of cooling water contained in bosh, and sky is left in top
Chamber, described cavity are connected by pipeline with vacuum extractor.Described flexible sleeve enters from sizing tool, through cooling down water cooling
But passed after shaping from cannula exit.
By such scheme, described vacuum extractor includes vacuum tank, and vacuum tank is connected with vacuum pumping pump, vacuum tank
Upper end is connected by pipeline with the cavity of bosh, and the overflow pipe of control cooling height is installed in bosh, is overflow
The water pipe other end is connected with vacuum tank, and pressure gauge and decompression valve are installed in the upper end of bosh.
When flexible sleeve passes through vacuum sizing type tank, by being vacuumized to Vacuum shaping tank, make the water in tank
The negative pressure of certain pressure is formed, while Vacuum shaping tank cools down to sleeve pipe, also acts as the effect of sizing.Sleeve pipe passes through
After Vacuum shaping tank, bushing outer surface rounding and smooth, the ovality of sleeve pipe is small.If without sizing tool and Vacuum shaping water
Groove, and produced by the common tank type of cooling, after hot shell material extrusion, when cooling down in its natural state, due to material
The pressure gap of material and equipment extrusion, and there is no ointment support in sleeve pipe, sleeve pipe can form ellipticity during contraction,
Make optical communication element stress.
The technical scheme of optical cable is：The above-mentioned flexible sleeve for being set with fibre ribbon array and water blocking layer is stranded in
The periphery of center reinforcemen, layer-twisted type cable core is formed, cable core outer cladding oversheath, forms Full-dry optical fiber band sleeve pipe layer-twisted type light
Cable.Or using the above-mentioned flexible sleeve for being set with fibre ribbon array and water blocking layer as center beam tube, form central beam tube type cable
Core, cable core outer cladding oversheath, form Full-dry optical fiber band cannula center beam tube type cable.
The beneficial effects of the present invention are：1st, fibre ribbon stacks into fibre ribbon array nest in sleeve pipe, single fiber cable
For 4~36 cores, by controlling the core number of single fiber cable and the number of plies of fibre ribbon to reach the optical fiber of certain amount, single sleeve pipe
Interior fiber number maximum can accomplish 864 cores, greatly increase the fine capacity of sleeve pipe；2nd, the manufacture method of the present invention, light are passed through
Fibre ribbons array is passed through sizing tool, Vacuum shaping water with certain swivel away from cannula center, sleeve pipe is implanted to after extrusion forming
Groove is accurately shaped, while by corresponding excess length control device, is accurately controlled length more than the fibre ribbon in sleeve pipe, made sleeve pipe big
Not only forming, optical fiber do not stress in the case of capacity optical fiber, and have excellent mechanical performance, bending property and resistance to environment
Performance；3rd, flexible dry type sleeve pipe, sleeve pipe is made to have excellent bending property, sleeve pipe bending radius is small, can be in narrow space
Interior laying, the light unit in more preferable protection sleeve pipe, reduce the fault rate of lightguide cable link, improve communication lines by reliability.Entirely
Dry sleeve structure, brought conveniently to use；4th, made optical cable fibre capacity is big, and difference continues convenient.
Brief description of the drawings
Fig. 1 is the radial cutaway view of sleeve pipe one embodiment of the present invention.
Fig. 2 is the structural representation of Vacuum shaping tank of the present invention.
Fig. 3 is the production procedure schematic diagram of sleeve pipe of the present invention.
Embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples.
For the sleeve pipe embodiment of the present invention as shown in figure 1, including sleeve pipe 3 and optical communication element 1, described sleeve pipe is flexibility
Sleeve pipe, formed by the high density polyethylene (HDPE) or polypropylene material agent system of flexibility, the one-sided thickness of sleeve pipe is 0.9mm, described
Optical communication element is set with flexible sleeve, described optical communication element is fibre ribbon, and described fibre ribbon is 12, Mei Geguang
The core number of fibre ribbons is 12 cores, is superimposed to form fibre ribbon array, and described fibre ribbon twists rotation into S and is laid in flexible sleeve,
Swivel is away from for 500mm.One layer is provided between fibre ribbon array and sleeve pipe and blocks water 2, described water blocking layer is by vertical formula of being responsible for a task until it is completed
Waterstop is formed, and the tape thickness that blocks water is 0.1mm.Form dry type light belt sleeve pipe.
Embodiment of the Full-dry optical fiber of the present invention with method of making sleeve tube as shown in Figure 2,3,
Fibre ribbon unwrapping wire and boundling：Plurality of ribbons is respectively installed on pay off rack, by corresponding tension force guide wheel, used
Certain tension force passes through fibre ribbon collection fibre mould, and fibre ribbon collection fibre mould makes fibre ribbon be formed by certain putting in order with orientation
The fibre ribbon array of rectangle, and to front haulage；Fibre ribbon and the fine mould of collection are on the pay off rack of rotation, by rotation and with certain
Swivel is away from being sent in the mould of production equipment.
Waterstop unwrapping wire and vertical bag：Waterstop is by pay off rack, with certain laying tension by longitudinal tubing mould, and
Fibre ribbon array is admitted in extruder head die orifice together；Waterstop smooth, regular can be distributed in by mould
Internal surface of sleeve pipe, few space taken in sleeve pipe, enough frees degree are left to fibre ribbon matrix as far as possible.
Extrude flexible sleeve：The fibre ribbon array for coating waterstop is molded extrusion molding mould by traction threading, passes through extrusion molding
Machine and the extrusion molding mould of phase configuration are by flexible sleeve extrusion forming；Before flexible material extrusion need that the pre-heat treatment is dried, flexibility
Material is pumped into drier, by the temperature for setting drier and corresponding wind speed, removes the moisture and moisture in material, right
Extrusion molding material is dried, and carries out corresponding the pre-heat treatment.Reach the particulate material after preprocessing function, by extruding machine and accordingly
Extruded mould extrusion.
Sizing and vacuum water-cooled shaping：Fibre ribbon array and waterstop are connected into fixed together with the flexible sleeve of extrusion
Footpath device and Vacuum shaping tank, are tentatively shaped in sizing tool, subsequently into Vacuum shaping tank cooling and shaping；
Described Vacuum shaping tank includes closed bosh 20, and sizing tool 12 is installed in the side of bosh, another
Side coaxial pair should install cannula exit 25, and a certain amount of cooling water is contained in bosh, and cavity, described sky are left in top
Chamber is connected by pump-line 23 with vacuum extractor.Described flexible sleeve 11 enters from sizing tool, through cooling down water cooling
Passed after sizing from cannula exit.Described vacuum extractor includes vacuum tank 26, and vacuum tank is connected with vacuum pumping pump 27, very
The upper end of empty van is connected by pump-line 23 with the cavity of bosh, and it is high that control cooling water is installed in bosh
The overflow pipe 24 of degree, the overflow pipe other end are connected with vacuum tank, and pressure gauge 21 and decompression are installed in the upper end of bosh
Regulating valve 22.
Bosh and excess length control straining pulley：Preliminary cooling and shaping when sleeve pipe passes through sizing tool and Vacuum shaping tank,
Further cooled down by bosh again, and by controlling the laying tension of fibre ribbon, the twisting pitch of fibre ribbon, vacuum sizing
The water temperature of tank and bosh, tension adjustment is carried out by excess length control straining pulley, to progress more than the fibre ribbons in flexible sleeve
Row is precisely controlled.
Drying closing quotation：Finally dry up by drier, after the detection of defect detection instrument, used necessarily by tension force dancing wheel
Takeup tension is wound up on take-up reel.
Claims (10)
1. a kind of Full-dry optical fiber band sleeve pipe, includes sleeve pipe and optical communication element, it is characterised in that described sleeve pipe is flexibility
Sleeve pipe, is set with optical communication element in described flexible sleeve, and described optical communication element is fibre ribbon, described fibre ribbon phase
Fibre ribbon array is built up, one layer of water blocking layer is provided between fibre ribbon array and sleeve pipe.
2. the Full-dry optical fiber band sleeve pipe as described in claim 1, it is characterised in that described flexible sleeve is highly dense by flexibility
Degree polyethylene or polypropylene material are made, and the one-sided thickness of sleeve pipe is between 0.6~1.2mm.
3. the Full-dry optical fiber band sleeve pipe as described in claim 1 or 2, it is characterised in that described fibre ribbon is 4~24, often
The core number of individual fibre ribbon is 4~36 cores.
4. the Full-dry optical fiber band sleeve pipe as described in claim 1 or 2, it is characterised in that described fibre ribbon twists into S or Z twists rotation
Turn to be laid in flexible sleeve, swivel is away from for 300~800mm.
5. the Full-dry optical fiber band sleeve pipe as described in claim 1 or 2, it is characterised in that described water blocking layer is hindered by vertical formula of being responsible for a task until it is completed
Water band is formed, and the tape thickness that blocks water is 0.1~0.2mm.
A kind of 6. Full-dry optical fiber manufacture method with well, it is characterised in that
Fibre ribbon unwrapping wire and boundling：Plurality of ribbons is respectively installed on pay off rack, by corresponding tension force guide wheel, used
Certain tension force passes through fibre ribbon collection fibre mould, and fibre ribbon collection fibre mould makes fibre ribbon be formed by certain putting in order with orientation
The fibre ribbon array of rectangle, and to front haulage；
Waterstop unwrapping wire and vertical bag：Waterstop passes through longitudinal tubing mould, and optical fiber by pay off rack with certain laying tension
Band array is admitted in extruder head die orifice together；
Extrude flexible sleeve：The fibre ribbon array for coating waterstop is molded extrusion molding mould by traction threading, by extruding machine and
The extrusion molding mould of phase configuration is by flexible sleeve extrusion forming；
Sizing and vacuum water-cooled shaping：Fibre ribbon array and waterstop are connected into sizing tool together with the flexible sleeve of extrusion
With Vacuum shaping tank, tentatively shaped in sizing tool, subsequently into Vacuum shaping tank cooling and shaping；
Bosh and excess length control straining pulley：Preliminary cooling and shaping when sleeve pipe passes through sizing tool and Vacuum shaping tank, then pass through
Supercooling tank further cools down, and by controlling the laying tension of fibre ribbon, the twisting pitch of fibre ribbon, vacuum sizing tank
With the water temperature of bosh, tension adjustment is carried out by excess length control straining pulley, is carried out to long more than the fibre ribbon in flexible sleeve
It is precisely controlled；
Drying closing quotation：Most afterwards after drying drying process and the detection of defect instrument, by takeup tension control wheel, by flexible boot pipe dish
In corresponding take-up reel.
7. the Full-dry optical fiber manufacture method with well as described in claim 6, it is characterised in that described Vacuum shaping water
Groove includes closed bosh, and sizing tool is installed in the side of bosh, and opposite side coaxial pair should install cannula exit,
A certain amount of cooling water is contained in bosh, cavity is left in top, and described cavity is connected by pipeline with vacuum extractor
Logical, described flexible sleeve enters from sizing tool, is passed after cooling water cooling and shaping from cannula exit.
8. the Full-dry optical fiber manufacture method with well as described in claim 7, it is characterised in that described vacuum extractor
Including vacuum tank, vacuum tank is connected with vacuum pumping pump, and the upper end of vacuum tank is connected by pipeline with the cavity of bosh,
The overflow pipe of control cooling height is installed in bosh, the overflow pipe other end is connected with vacuum tank, in bosh
Upper end be installed on pressure gauge and decompression valve.
9. a kind of optical cable as made by any described Full-dry optical fiber of claim 1 ~ 5 with sleeve pipe, it is characterised in that will cover
Flexible sleeve equipped with fibre ribbon array and water blocking layer is stranded in the periphery of center reinforcemen, forms layer-twisted type cable core, outside cable core
Oversheath is coated, forms Full-dry optical fiber band sleeve pipe layer-stranding cable.
10. a kind of optical cable as made by any described Full-dry optical fiber of claim 1 ~ 5 with sleeve pipe, it is characterised in that will cover
Flexible sleeve equipped with fibre ribbon array and waterstop forms central beam tube type cable core as center beam tube, outside cable core outer cladding
Sheath, form Full-dry optical fiber band cannula center beam tube type cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710803569.5A CN107422438A (en) | 2017-09-08 | 2017-09-08 | A kind of Full-dry optical fiber is with sleeve pipe and its manufacture method and made optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710803569.5A CN107422438A (en) | 2017-09-08 | 2017-09-08 | A kind of Full-dry optical fiber is with sleeve pipe and its manufacture method and made optical cable |
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| Publication Number | Publication Date |
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| CN107422438A true CN107422438A (en) | 2017-12-01 |
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| CN201710803569.5A Pending CN107422438A (en) | 2017-09-08 | 2017-09-08 | A kind of Full-dry optical fiber is with sleeve pipe and its manufacture method and made optical cable |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110286453A (en) * | 2019-07-24 | 2019-09-27 | 南京华脉科技股份有限公司 | A kind of leading in cable and manufacturing method |
| CN110355974A (en) * | 2018-04-08 | 2019-10-22 | 烽火通信科技股份有限公司 | A kind of molding equipment and moulding process of the cable jacket being embedded in rigidity reinforced element |
| CN112346184A (en) * | 2020-10-28 | 2021-02-09 | 长飞光纤光缆股份有限公司 | Full-dry optical fiber ribbon cable and manufacturing method thereof |
| WO2022262222A1 (en) * | 2021-06-17 | 2022-12-22 | 江苏中天科技股份有限公司 | Overhead ribbon cable, manufacturing method therefor, and manufacturing system therefor |
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Application publication date: 20171201 |
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