CN102915807A - Optical fiber composite aerial insulated cable and production method thereof - Google Patents
Optical fiber composite aerial insulated cable and production method thereof Download PDFInfo
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- CN102915807A CN102915807A CN2012104557513A CN201210455751A CN102915807A CN 102915807 A CN102915807 A CN 102915807A CN 2012104557513 A CN2012104557513 A CN 2012104557513A CN 201210455751 A CN201210455751 A CN 201210455751A CN 102915807 A CN102915807 A CN 102915807A
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Abstract
The invention relates to a 10kV and below optical fiber composite aerial insulated cable and a production method thereof. The optical fiber composite aerial insulated cable is mainly applied to urban power grids and comprises an optical fiber, an optical fiber ointment, a stainless steel pipe, hard aluminium wires, a conductor shielding layer and an insulating layer; the stainless steel pipe is internally provided with the optical fiber and is filled with the optical fiber ointment to form a stainless steel optical fiber unit; a plurality of layers of hard aluminium wires are twisted outside the stainless steel optical fiber unit to form the optical fiber composite aerial cable; the optical fiber composite aerial cable is covered by a layer of conductor shielding material to form a conductor shielding layer; and extrusion molding is carried out outside the conductor shielding layer to form the insulation layer of the optical fiber composite aerial insulated cable. The production method comprises the following steps of: (1) pulling and feeding a stainless steel belt into a steel pipe forming table; (2) slitting, longitudinally wrapping, leading the optical fiber into the stainless steel pipe, welding, drawing and dragging the stainless steel optical fiber unit after filling the optical fiber ointment to form a complete stainless steel optical fiber unit; (3) twisting the hard aluminium wires at the outer layer of the stainless steel optical fiber unit to manufacture the optical fiber composite aerial cable; (4) forming a conductor shielding layer; and (5) forming a cable insulating layer to manufacture the optical fiber composite aerial insulated cable.
Description
Technical field
What the present invention relates to is a kind of 10kV and following optical fiber composite overhead insulating cable and production method thereof, is mainly used in urban distribution network.
Background technology
The city uses the buried and built on stilts mode that combines to set up with cable and optical cable great majority, and along with urban construction speed is constantly accelerated, buried optical cable difficulty is increasing, and the use of built on stilts form is more and more.The optical fiber composite overhead insulated phase wires that occurs about 2005 has received that the favor of national grid department, this optical cable can realize that electric power carries, and can realize optical communication again.Because the repairing cycle is long, can't promote in the city always.
Present optical fiber composite overhead insulating cable on the market, all be as main, can realize simultaneously electric power transfer and optical fiber communication take insulated fiber-optical composite aerial phase line (insulation OPPC), but after being subjected to the disconnected cable of natural calamity, only change cable and could recover electric power transfer and optical fiber communication, repairing efficiency is very long.Therefore optical fiber composite overhead insulating cable is difficult to be accepted by urban distribution network department always.
Summary of the invention
The objective of the invention is provides a kind of optical fiber composite overhead insulating cable and production method thereof for above-mentioned weak point, the cable reparation after realizing fault in the short time, and guarantee simultaneously the unimpeded of electric power transfer and optical fiber communication.And this construction of cable is simple and easy, and bending property is fabulous, and the optical cable bending radius can reach 20cm.
A kind of optical fiber composite overhead insulating cable and production method thereof take following technical scheme to realize: a kind of optical fiber composite overhead insulating cable comprises optical fiber, optical fiber ointment, stainless steel tube, hard-drawn aluminium wire, conductor shield and insulating barrier.Optical fiber is housed in stainless steel tube, and is filled with optical fiber ointment, form the stainless steel fiber unit; Stranded some layers use stem reducing mould that every layer of hard-drawn aluminium wire pressed undergauge when stranded through the hard-drawn aluminium wire of overcompaction undergauge outside the stainless steel fiber unit, form the optical fiber composite overhead cable; At optical fiber composite overhead cable outsourcing layer of semiconductor shielding material, form conductor shield, be used for the electric field that forms after the shielded type cable energising; Extrusion molding thickness is the crosslinked polyethylene of 2～4mm, the insulation of weather-proof black outside conductor shield, forms the insulating barrier of optical fiber composite overhead insulating cable.
Described hard-drawn aluminium wire is provided with at least 3 layers.
Described stem reducing mould adopts commercially available drawing mould, and undergauge namely carries out the drawing diameter reduction to hard-drawn aluminium wire, with the reduced 0.5～2mm of optical fiber composite overhead cable, makes cable surface more even level and smooth, and conductor shield can be fitted uniformly with cable.
Described optical fiber is G657 optical fiber.
In described stainless steel tube, be placed with 24～36 optical fiber.
Stainless steel fiber unit external diameter is φ 3.0～φ 3.5mm.
A kind of production method of optical fiber composite overhead insulating cable comprises the steps:
1) stainless steel band is installed to steel band and put on the tape holder, by steel strip tractor stainless steel band is led and deliver to steel pipe forming platform place, the tension force of putting band will be stablized, and the phenomenon of shake can not be arranged.
2) at steel pipe forming platform place the resulting stainless steel band of step 1) divided and switch to the required width of mould, then be drawn in the steel tube forming mold that diameter is 4.4mm, indulge and be bundled into seamed stainless steel tube, simultaneously optical fiber is imported, will be filled into stainless-steel pipe through oil-filled pin by the optical fiber ointment that air pump adds 0.3Mpa pressure; Pass through again laser-beam welding machine, vertical sealing welding behind the vertical wrap molding of stainless steel band is complete, stainless steel fiber unit after welding is good, pass through drawing mould, carry out the multiple tracks drawing, multiple tracks drawing die caliber size is respectively diameter 3.8mm, 3.4mm and 3.0mm, has just become complete stainless steel fiber unit through wheeled hauling machine traction again.
3) with step 2) the stainless steel fiber unit that obtains is as the center, carries out strandedly with 3.0～3.5mm hard-drawn aluminium wire at the skin of stainless steel fiber unit, uses stem reducing mould that every layer of hard-drawn aluminium wire pressed undergauge when stranded, namely makes the optical fiber composite overhead cable.
4) the optical fiber composite overhead cable outer layer bag a layer thickness at the step 3) gained is the shield semiconductors material of 0.8mm～1mm, forms conductor shield, is used for the highfield that forms after the shielded type cable energising.
5) extrusion molding one deck crosslinked polyethylene, the insulation of weather-proof black outside the conductor shield of step 4), form cable insulation, the thickness of insulating barrier changes with the difference of electric pressure, is generally 2～4mm, namely makes optical fiber composite overhead insulating cable after extrusion molding is finished.
The belt tension of putting in the step 1) is 80～90N.
Step 2) the required stainless steel band width of mould is 15.5～16mm in, and thickness is 0.15～0.2mm.
For satisfying the requirement of electric pressure, described hard-drawn aluminium wire is provided with at least 3 layers in the step 3).The laying tension of hard-drawn aluminium wire is 8～10kg.
The temperature of extrusion molding is 200～250 ℃ in the step 5), and this temperature is poly heating-up temperature, and namely the temperature in the plastic extruding machine is used first 70～80 ℃ water quench behind the extrusion molding, then uses the normal-temperature water cooling.
Optical fiber composite overhead insulating cable of the present invention is reasonable in design, and manufacturing technique method is unique, but simple and reliable, practicality is good.The optical fiber composite overhead insulating cable of making through the present invention has following technical characterstic:
1, bending property is fabulous, and minimum bending radius can be to 20mm.The cable inner fiber uses bending loss insensitive single-mode fiber G657, and the minimum bending radius of this optical fiber can be to 5mm.
2, this optical fiber composite overhead insulating cable can use small-sized breakdown joint box to repair, thus when natural calamity causes disconnected cable, can within the extremely short time, finish the reparation of this optical fiber composite overhead insulating cable, fast quick-recovery electric power with communicate by letter unimpeded.
Description of drawings
The invention will be further described below with reference to accompanying drawing:
Fig. 1 is the structural representation of a kind of optical fiber composite overhead insulating cable of the present invention.
Among the figure: 1, optical fiber, 2, optical fiber ointment, 3, stainless steel tube, 4, hard-drawn aluminium wire, 5, conductor shield, 6, insulating barrier.
Embodiment
With reference to accompanying drawing 1, a kind of optical fiber composite overhead insulating cable comprises optical fiber 1, optical fiber ointment 2, stainless steel tube 3, hard-drawn aluminium wire 4, conductor shield 5 and insulating barrier 6.Optical fiber 1 is housed in stainless steel tube 3, and is filled with optical fiber ointment 2, form the stainless steel fiber unit; Stranded some layers use stem reducing mould that every layer of hard-drawn aluminium wire pressed undergauge when stranded through the hard-drawn aluminium wire 4 of overcompaction undergauge outside the stainless steel fiber unit, form the optical fiber composite overhead cable; At optical fiber composite overhead cable outsourcing layer of semiconductor shielding material, form conductor shield 5, be used for the electric field that forms after the shielded type cable energising; In crosslinked polyethylene, the insulation of weather-proof black that conductor shield 5 outer extrusion molding thickness are 2～4mm, form the insulating barrier 6 of optical fiber composite overhead insulating cable.
Described hard-drawn aluminium wire 4 is provided with at least 3 layers.
Described optical fiber 1 is G657 optical fiber.
In described stainless steel tube 3, be placed with 24～36 optical fiber.
Stainless steel fiber unit external diameter is φ 3.0～φ 3.5mm.
A kind of production method of optical fiber composite overhead insulating cable comprises the steps:
1) stainless steel band is installed to steel band and put on the tape holder, by steel strip tractor stainless steel band is led and deliver to steel pipe forming platform place, the tension force of putting band will be stablized, and the phenomenon of shake can not be arranged.
2) at steel pipe forming platform place the resulting stainless steel band of step 1) divided and switch to the required width of mould, then be drawn in the steel tube forming mold that diameter is 4.4mm, the vertical seamed stainless steel tube 3 that is bundled into, simultaneously optical fiber 1 is imported, will be filled into stainless-steel pipe 3 through oil-filled pin by the optical fiber ointment 2 that air pump adds 0.3Mpa pressure; Pass through again laser-beam welding machine, vertical sealing welding behind the vertical wrap molding of stainless steel band is complete, stainless steel fiber unit after welding is good, pass through drawing mould, carry out the multiple tracks drawing, multiple tracks drawing die caliber size is respectively diameter 3.8mm, 3.4mm and 3.0mm, has just become complete stainless steel fiber unit through wheeled hauling machine traction again.
3) with step 2) the stainless steel fiber unit that obtains is as the center, skin at the stainless steel fiber unit carries out stranded with 3.0～3.5mm hard-drawn aluminium wire 4, when stranded, use stem reducing mould that every layer of hard-drawn aluminium wire pressed undergauge, namely make the optical fiber composite overhead cable.
4) the optical fiber composite overhead cable outer layer bag a layer thickness at the step 3) gained is the shield semiconductors material of 0.8mm～1mm, forms conductor shield 5, is used for the highfield that forms after the shielded type cable energising.
5) extrusion molding one deck crosslinked polyethylene, the insulation of weather-proof black outside the conductor shield of step 4), form cable insulation 6, the thickness of insulating barrier changes with the difference of electric pressure, is generally 2～4mm, namely makes optical fiber composite overhead insulating cable after extrusion molding is finished.
The belt tension of putting in the step 1) is 80～90N.
Step 2) the required stainless steel band width of mould is 15.5～16mm in, and thickness is 0.15～0.2mm.
For satisfying the requirement of electric pressure, described hard-drawn aluminium wire 4 is provided with at least 3 layers in the step 3).The laying tension of hard-drawn aluminium wire 4 is 8～10kg.
The temperature of extrusion molding is 200～250 ℃ in the step 5), and this temperature is poly heating-up temperature, and namely the temperature in the plastic extruding machine is used first 70～80 ℃ water quench behind the extrusion molding, then uses the normal-temperature water cooling.
Claims (10)
1. an optical fiber composite overhead insulating cable is characterized in that: comprise optical fiber, optical fiber ointment, stainless steel tube, hard-drawn aluminium wire, conductor shield and insulating barrier, optical fiber is housed in stainless steel tube, and be filled with optical fiber ointment, form the stainless steel fiber unit; Stranded some layers use stem reducing mould that every layer of hard-drawn aluminium wire pressed undergauge when stranded through the hard-drawn aluminium wire of overcompaction undergauge outside the stainless steel fiber unit, form the optical fiber composite overhead cable; At optical fiber composite overhead cable outsourcing layer of semiconductor shielding material, form conductor shield, be used for the electric field that forms after the shielded type cable energising; Extrusion molding thickness is the crosslinked polyethylene of 2～4mm, the insulation of weather-proof black outside conductor shield, forms the insulating barrier of optical fiber composite overhead insulating cable.
2. optical fiber composite overhead insulating cable according to claim 1, it is characterized in that: described hard-drawn aluminium wire is provided with at least 3 layers.
3. optical fiber composite overhead insulating cable according to claim 1, it is characterized in that: described optical fiber is G657 optical fiber.
4. optical fiber composite overhead insulating cable according to claim 1 is characterized in that: be placed with 24～36 optical fiber in described stainless steel tube.
5. optical fiber composite overhead insulating cable according to claim 1, it is characterized in that: described stainless steel fiber unit external diameter is φ 3.0～φ 3.5mm.
6. the production method of a kind of optical fiber composite overhead insulating cable claimed in claim 1 is characterized in that, comprises the steps:
1) stainless steel band is installed to steel band and put on the tape holder, by steel strip tractor stainless steel band is led again and deliver to steel pipe forming platform place, put the tension stability of band, the phenomenon of shake can not be arranged;
2) at steel pipe forming platform place the resulting stainless steel band of step 1) divided and switch to the required width of mould, then be drawn in the steel tube forming mold that diameter is 4.4mm, indulge and be bundled into seamed stainless steel tube, simultaneously optical fiber is imported, will be filled into stainless-steel pipe through oil-filled pin by the optical fiber ointment that air pump adds 0.3Mpa pressure; Pass through again laser-beam welding machine, vertical sealing welding behind the vertical wrap molding of stainless steel band is complete, stainless steel fiber unit after welding is good, pass through drawing mould, carry out the multiple tracks drawing, multiple tracks drawing die caliber size is respectively diameter 3.8mm, 3.4mm and 3.0mm, has just become complete stainless steel fiber unit through wheeled hauling machine traction again;
3) with step 2) the stainless steel fiber unit that obtains is as the center, carries out strandedly with 3.0～3.5mm hard-drawn aluminium wire at the skin of stainless steel fiber unit, uses stem reducing mould that every layer of hard-drawn aluminium wire pressed undergauge when stranded, namely makes the optical fiber composite overhead cable;
4) the optical fiber composite overhead cable outer layer bag a layer thickness at the step 3) gained is the shield semiconductors material of 0.8mm～1mm, forms conductor shield, is used for the highfield that forms after the shielded type cable energising;
5) extrusion molding one deck crosslinked polyethylene, the insulation of weather-proof black outside the conductor shield of step 4), form cable insulation, the thickness of insulating barrier changes with the difference of electric pressure, is generally 2～4mm, namely makes optical fiber composite overhead insulating cable after extrusion molding is finished.
7. the production method of a kind of optical fiber composite overhead insulating cable according to claim 6, it is characterized in that: the belt tension of putting in the step 1) is 80～90N.
8. the production method of a kind of optical fiber composite overhead insulating cable according to claim 6 is characterized in that: step 2) in the required stainless steel band width of mould be 15.5～16mm, thickness is 0.15～0.2mm.
9. the production method of a kind of optical fiber composite overhead insulating cable according to claim 6 is characterized in that: for satisfying the requirement of electric pressure, described hard-drawn aluminium wire is provided with at least 3 layers in the step 3), and the laying tension of hard-drawn aluminium wire is 8～10kg.
10. the production method of a kind of optical fiber composite overhead insulating cable according to claim 6, it is characterized in that: the temperature of extrusion molding is 200～250 ℃ in the step 5), this temperature is poly heating-up temperature, it is the temperature in the plastic extruding machine, use first 70～80 ℃ water quench behind the extrusion molding, then use the normal-temperature water cooling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2012104557513A CN102915807A (en) | 2012-11-14 | 2012-11-14 | Optical fiber composite aerial insulated cable and production method thereof |
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| CN2012104557513A CN102915807A (en) | 2012-11-14 | 2012-11-14 | Optical fiber composite aerial insulated cable and production method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104599772A (en) * | 2015-01-19 | 2015-05-06 | 浙江亘古电缆股份有限公司 | Combined type aluminum alloy energy-saving overhead insulation cable |
| CN106680953A (en) * | 2017-01-10 | 2017-05-17 | 安徽理工大学 | Fiber steel tube intelligent forming device |
| CN110289134A (en) * | 2019-05-20 | 2019-09-27 | 扬州曙光电缆股份有限公司 | Strong optical fiber composite intelligent cable used for intelligent electric network |
| CN112037992A (en) * | 2020-08-12 | 2020-12-04 | 国网河南省电力公司周口供电公司 | High-temperature-resistant carbon fiber core photoelectric composite overhead conductor |
| CN117497245A (en) * | 2024-01-03 | 2024-02-02 | 长园电力技术有限公司 | Manufacturing method of built-in optical fiber cable conductor |
| CN117497245B (en) * | 2024-01-03 | 2024-04-26 | 长园电力技术有限公司 | Manufacturing method of built-in optical fiber cable conductor |
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| CN201149793Y (en) * | 2008-01-31 | 2008-11-12 | 通光集团有限公司 | Optical fiber compound insulation transmission line |
| CN201289761Y (en) * | 2008-10-28 | 2009-08-12 | 江苏中天科技股份有限公司 | Insulated fiber-optical composite aerial phase line |
| CN102364594A (en) * | 2011-10-22 | 2012-02-29 | 江苏新远程电缆股份有限公司 | Triple-extrusion optical fiber composite overhead insulating cable |
| CN102568687A (en) * | 2012-03-05 | 2012-07-11 | 河南科信电缆有限公司 | Optical fiber composite overhead ground wire and construction method |
| CN202940052U (en) * | 2012-11-14 | 2013-05-15 | 中天日立光缆有限公司 | Optical fiber composite overhead insulation cable |
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2012
- 2012-11-14 CN CN2012104557513A patent/CN102915807A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201149793Y (en) * | 2008-01-31 | 2008-11-12 | 通光集团有限公司 | Optical fiber compound insulation transmission line |
| CN201289761Y (en) * | 2008-10-28 | 2009-08-12 | 江苏中天科技股份有限公司 | Insulated fiber-optical composite aerial phase line |
| CN102364594A (en) * | 2011-10-22 | 2012-02-29 | 江苏新远程电缆股份有限公司 | Triple-extrusion optical fiber composite overhead insulating cable |
| CN102568687A (en) * | 2012-03-05 | 2012-07-11 | 河南科信电缆有限公司 | Optical fiber composite overhead ground wire and construction method |
| CN202940052U (en) * | 2012-11-14 | 2013-05-15 | 中天日立光缆有限公司 | Optical fiber composite overhead insulation cable |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104599772A (en) * | 2015-01-19 | 2015-05-06 | 浙江亘古电缆股份有限公司 | Combined type aluminum alloy energy-saving overhead insulation cable |
| CN106680953A (en) * | 2017-01-10 | 2017-05-17 | 安徽理工大学 | Fiber steel tube intelligent forming device |
| CN110289134A (en) * | 2019-05-20 | 2019-09-27 | 扬州曙光电缆股份有限公司 | Strong optical fiber composite intelligent cable used for intelligent electric network |
| CN110289134B (en) * | 2019-05-20 | 2021-12-24 | 扬州曙光电缆股份有限公司 | Optical fiber composite intelligent cable for strong intelligent power grid |
| CN112037992A (en) * | 2020-08-12 | 2020-12-04 | 国网河南省电力公司周口供电公司 | High-temperature-resistant carbon fiber core photoelectric composite overhead conductor |
| CN117497245A (en) * | 2024-01-03 | 2024-02-02 | 长园电力技术有限公司 | Manufacturing method of built-in optical fiber cable conductor |
| CN117497245B (en) * | 2024-01-03 | 2024-04-26 | 长园电力技术有限公司 | Manufacturing method of built-in optical fiber cable conductor |
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Application publication date: 20130206 |