CN104698556A - ADSS (All-Dielectric Self-Supporting optic fiber cable) and formation method thereof - Google Patents
ADSS (All-Dielectric Self-Supporting optic fiber cable) and formation method thereof Download PDFInfo
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- CN104698556A CN104698556A CN201510147999.7A CN201510147999A CN104698556A CN 104698556 A CN104698556 A CN 104698556A CN 201510147999 A CN201510147999 A CN 201510147999A CN 104698556 A CN104698556 A CN 104698556A
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- basalt fibre
- glass fibre
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- fibre band
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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
- G02B6/4432—Protective covering with fibre reinforcements
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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
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Abstract
The invention discloses an ADSS (All-Dielectric Self-Supporting optic fiber cable) and a formation method thereof. The ADSS is an enhanced ADSS multiplexing a basalt fiber belt and glass fibers. The ADSS comprises a core, a waterproof belt, an polyethylene protecting layer, a peripheral reinforcing unit and an outer protecting bush unit which are arranged from inside to outside in a sequence; the peripheral reinforcing unit comprises a layer of glass fibers which wraps the inner polyethylene protecting layer, and a basalt fiber belt layer which wraps the glass fibers; the basalt fiber belt is manufactured from inorganic rock, so that the chemical stability is high, the electric arc can be resisted, the heat generated by arc discharge can be resisted, and the basalt fiber belt can bring the arc resistance together with a tracking resistance layer. According to the ADSS, the basalt fiber belt and the glass fibers are multiplexed to use, the traditional aramid fibers are replaced, the communication demand of a power network can be met, and localization of tall original materials is achieved, so that the price of the ADSS is reduced, the monopoly of foreign developed countries on technology and commerce of the aramid fibers can be broken. The invention further discloses an ADSS formation method.
Description
Technical field
The present invention relates to electric power conveying a kind of optical cable in optical fiber communication optical cable field and forming method thereof, particularly relate to a kind of basalt fibre band and glass fibre multiplexing enhancing ADSS (All-dielectric Self-supporting all dielectric self-supporting) optical fiber cable and forming method thereof.
Background technology
China's power infrastructures development is swift and violent, and along with laying of various high-low pressure power delivery networks, the demand for intelligent power network is also all the more strong, and these all depend on the transmission of information.ADSS optical cable (All Dielectric self-support) is also more and more extensive in the use of electric power networks.But for traditional ADSS optical cable, aramid fiber is the unique selection strengthening unit as optical cable periphery.Aramid fiber has superior mechanical property and chemical stability because of it, in application a lot of year of ADSS optical cable.But because developed country is to the blockade on new techniques of China, China is domestic does not have a commercial aramid fiber manufacturing enterprise.This makes optical cable enterprise from developed country's import aramid fiber, also must have to bear high import price and uncertain delivery cycle, finally cause ADSS optical cable to hold at high price, and is also the large reason hindering China's intelligent power network development.
Summary of the invention
In view of above-mentioned technical matters, the invention provides a kind of basalt fibre band and glass fibre multiplexing enhancing ADSS optical fiber cable and forming method thereof, the basalt fibre band that described optical cable adopts continuous basalt fiber of new generation to weave and the multiplexing mode of high strength glass fiber, replace the use of aramid fiber, both the communication need of electric power networks can have been met, all raw material production domesticization can be realized again, and in forming process, adopt Particular craft method, both improved cable manufactures performance, can enhance productivity again.
For solving the problems of the technologies described above, the technical scheme that the invention adopts is: a kind of basalt fibre band and glass fibre multiplexing enhancing ADSS optical fiber cable, and it comprises cable core, waterstop (6), polythene inner (5), periphery reinforcement unit, outer protective sleeve unit from inside to outside successively; Described periphery is strengthened unit and is comprised glass fibre (4) and basalt fibre band (3); Polythene inner (5) is coated with layer of glass (4), and glass fibre (4) is coated with one deck basalt fibre band (3).
Glass fibre (4) outer cladding basalt fibre band (3) strengthens unit as periphery together, and instead of the aramid fiber in the past used, aramid fiber is very expensive, and dependence on import, seriously limits the development of domestic firms.Glass fibre (4) is generally used on the less demanding plain edition optical cable of tensile strength, inapplicable on ADSS optical fiber cable, because the Young modulus of glass fibre is 70GPa, be only 60% of aramid fiber Young modulus 117GPa, what be used alone that glass fibre do not reach ADSS optical cable far away lays requirement; Basalt fibre band (3) is generally used in civil engineering construction, uses together with concrete as reinforcement; Or as electrician, application and electron trade.Because industry reason, the advantage of unmanned its high strength and modulus of discovery can be used on ADSS optical fiber cable in the past.And glass fibre (4) and basalt fibre band (3) combine by the present invention, and by the forming method in the present invention, the advantage of both performances, avoid its shortcoming, make glass fibre (4) and basalt fibre band (3) jointly provide enough tensile strength, ensure mechanical property requirements when optical cable self-supporting is laid.Basalt fibre band (3) and the multiplexing communication need that both can meet electric power networks as periphery reinforcement unit of glass fibre (4), can realize again all raw material production domesticization.
As the further improvement of such scheme, glass fibre (4) adopts and is uniformly distributed in polythene inner (5) outward around the technique of putting, and adopts radical ratio to be that block water glass fibre and the conventional glass fibers crossing parallel of 1 ︰ 1 are around putting.
Described glass fibre (4) adopts and is uniformly distributed in around sheath around the technique of putting, and half adopts the glass fibre that blocks water, second half adopts conventional glass fibers, has both played the effect blocked water, and can avoid again because water-proofing powder blocking mould causes cable breakout or de-material.
As the further improvement of such scheme, basalt fibre band (3) is woven by continuous basalt fiber and forms, and the filament diameter of basalt fibre is 8 ~ 20 microns, and the thickness of basalt fibre band (3) is 0.3 ~ 0.7mm.
As the further improvement of such scheme, described cable core comprises some Loose tube (8) and nonmetal strengthening core (7), and some Loose tube (8) are stranded in nonmetal strengthening core (7) around.
As the further improvement of such scheme, waterstop (6) is coated with out hawser.
Cable core outer cladding waterstop (6), waterstop increases hawser outside (6), and coated polythene inner (5), realizes half dry type and block water, the stripping in constructability and welding optic fibre operation.
As the further improvement of such scheme, described outer protective sleeve unit comprises resistance to electric trace sheath (2), polyethylene layer (1); The resistance to electric trace sheath (2) of basalt fibre band (3) outer cladding, resistance to electric trace sheath (2) outer cladding one polyethylene layer (1).Preferably, resistance to electric trace sheath (2) adopts resistance to electric trace PP Pipe Compound, and polyethylene layer (1) thickness is 0.3 ~ 0.5mm.
Polyethylene layer (1) is sacrifice layer, is damaged to resistance to electric trace layer (2) for preventing during optical cable installation, plays the effect protecting resistance to electric trace layer (2).
The present invention also provides the forming method of a kind of basalt fibre band and glass fibre multiplexing enhancing ADSS optical fiber cable, and described optical cable comprises cable core, waterstop (6), polythene inner (5), periphery reinforcement unit, outer protective sleeve unit from inside to outside successively; Described periphery is strengthened unit and is comprised glass fibre (4) and basalt fibre band (3); Polythene inner (5) is coated with layer of glass (4), and glass fibre (4) is coated with one deck basalt fibre band (3); The forming method of described optical cable comprises the following steps: described cable core is vertical bag waterstop (6) outward; Tygon extrusion molding is used to go out to be coated on waterstop (6) polythene inner outward (5); Polythene inner (5) is outward around putting glass fibre (4), make glass fibre (4) be uniformly distributed in polythene inner (5) around, vertical for basalt fibre band (3) bag is butted up against glass fibre (4) outward simultaneously; Outer protective sleeve unit is coated on basalt fibre band (3) outward.
Wherein, the glass fibre (4) of described optical cable can adopt and be uniformly distributed in polythene inner (5) outward around the technique of putting, and adopts radical ratio to be that block water glass fibre and the conventional glass fibers crossing parallel of 1 ︰ 1 are around putting.Described glass fibre (4) adopts and is uniformly distributed in around sheath around the technique of putting, and half adopts the glass fibre that blocks water, second half adopts conventional glass fibers, has both played the effect blocked water, and can avoid again because water-proofing powder blocking mould causes cable breakout or de-material.Basalt fibre band (3) can be woven by continuous basalt fiber and form, and the filament diameter of basalt fibre can be 8 ~ 20 microns, and the thickness of basalt fibre band (3) can be 0.3 ~ 0.7mm.
It is to be noted that this forming method volume basalt fibre band (3) is by longitudinal tubing, by coated for glass fibre (4) in it, basalt fibre band (3) adopts the mode of docking instead of overlap joint.
As the further improvement of such scheme, described outer protective sleeve unit comprises resistance to electric trace sheath (2), polyethylene layer (1); The resistance to electric trace sheath (2) of basalt fibre band (3) outer cladding, resistance to electric trace sheath (2) outer cladding one polyethylene layer (1); Resistance to electric trace sheath (2) and outermost polyethylene layer (1) adopt the mode of double-layer coextrusion to be coated on basalt fibre band (3) outward.
Resistance to electric trace sheath (2) and outermost layer polyethylene layer (1) adopt the mode of double-layer coextrusion to extrude, and both ensure that the adhesion intensity between two-layer sheath, have turn improved production efficiency.
As the further improvement of such scheme, described optical cable adopts step temperature cooling: be divided into 3 humidity provinces successively, be respectively hydrothermal area, warm water district and normal temperature district, temperature reduces district by district; The dish tool take-up of inner diameter of steel flue 800 ~ 1000mm is adopted during end take-up.
When crossing tank after double-layer coextrusion, adopt step temperature cooling, be divided into 3 humidity provinces, be respectively hydrothermal area, warm water district and normal temperature district, temperature reduces district by district, to reach contraction of slowing down, reduces the object of unrelieved stress.
In sum, the advantage that has of the invention and good effect are:
1, adopt new material-basalt fibre band as reinforcement material, and high strength glass fiber Application of composite, instead of traditional aramid fiber, both can reduce the price of ADSS optical cable, developed countries can be broken again to the technology of aramid fiber and commercial monopoly;
2, when outer jacket is shaping, glass fibre and basalt fibre band are applied to outside sheath simultaneously, and sheathing adopts double-layer coextrusion, simplifies technological process, improves production efficiency;
3, outermost layer polyethylene layer is sacrifice layer, to the damage of resistance to electric trace sheath when avoiding optical cable construction to install, thus can improve the serviceable life of optical cable;
4, basalt fibre band is anorganolith stone material matter because of it, and chemical stability is good, and can arc resistant and because of arc discharge produce heat, so can jointly provide arc resistant performance with resistance to electric trace layer.
Accompanying drawing explanation
Fig. 1 is the cross-sectional cut-away schematic diagram of ADSS optical fiber cable in embodiment of the present invention.
In figure: 1-sacrifice polyethylene layer, the resistance to electric trace sheath of 2-, 3-basalt fibre band, 4-glass fibre, 5-polythene inner, 6-waterstop, the nonmetal strengthening core of 7-, 8-Loose tube
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
As shown in Figure 1, it is one of them embodiment of basalt fibre band of the present invention and glass fibre multiplexing enhancing ADSS optical fiber cable, and the present embodiment comprises the cable core that Loose tube 8 is stranded in the formation of nonmetal strengthening core 7 surrounding; Cable core outer cladding waterstop 6, increases hawser (figure does not look, described in open hawser and also can not add) outside waterstop 6, more coated polythene inner 5; The outer glass fibre 4 using some of polythene inner 5; Glass fibre 4 outer cladding basalt fibre band 3, strengthens unit as periphery together; The resistance to electric trace sheath 2 of basalt fibre band 3 outer cladding; Resistance to electric trace sheath 2 outer cladding one polyethylene layer 1 forms two sheath, and be defined as outer protective sleeve unit, wherein, resistance to electric trace sheath 2 adopts resistance to electric trace PP Pipe Compound, and polyethylene layer (1) thickness is 0.3 ~ 0.5mm.
The concrete finger of the glass fibre 4 of some adopts radical ratio to be block water glass fibre and the conventional glass fibers of 1 ︰ 1.Glass fibre 4 adopts and is uniformly distributed in outside polythene inner 5 around the technique of putting in the present embodiment, and adopts radical ratio to be that block water glass fibre and the conventional glass fibers crossing parallel of 1 ︰ 1 are around putting.Therefore, glass fibre 4 is high strength glass fiber, and half adopts waterproofing type glass fibre, and second half adopts conventional glass fibers, has both played the effect blocked water, and can avoid again because the water-proofing powder blocking mould that drops causes cable breakout or de-ly to expect.
The fabric strip that basalt fibre band 3 weaves for continuous basalt fiber, does not adopt any macromolecular material as matrix.Basalt fibre band 3 can be woven by continuous basalt fiber and form, and the filament diameter of basalt fibre is 8 ~ 20 microns, and the thickness of basalt fibre band (3) is 0.3 ~ 0.7mm.
Basalt fibre band of the present invention and glass fibre multiplexing enhancing ADSS optical fiber cable are when shaping, and its forming method, comprises the following steps: described cable core is vertical bag waterstop 6 outward; Use tygon extrusion molding goes out to be coated on the polythene inner 5 outside waterstop 6; Polythene inner 5 is outer around putting glass fibre 4, makes glass fibre 4 be uniformly distributed in around polythene inner 5, basalt fibre band 3 is indulged bag simultaneously and butt up against outside glass fibre 4; Outer protective sleeve unit is coated on outside basalt fibre band.Wherein, (the resistance to electric trace sheath 2 of basalt fibre band 3 outer cladding when described outer protective sleeve unit comprises resistance to electric trace sheath 2, polyethylene layer 1, resistance to electric trace sheath 2 outer cladding one polyethylene layer 1), resistance to electric trace sheath 2 and outermost polyethylene layer 1 adopt the mode of double-layer coextrusion to be coated on outside basalt fibre band 3.In addition, described optical cable, when cooling, adopts step temperature cooling: be divided into 3 humidity provinces successively, be respectively hydrothermal area, warm water district and normal temperature district, temperature reduces district by district; The dish tool take-up of inner diameter of steel flue 800 ~ 1000mm is adopted during end take-up.
Basalt fibre band in the present embodiment and glass fibre multiplexing enhancing ADSS optical fiber cable are when shaping, and its forming method, comprises the following steps:
S1. this optical cable is when sheath operation is shaping, by nonmetal strengthening core 7 and the stranded cable core of Loose tube 8 vertical bag waterstop 6 outward, uses tygon extrusion molding sheath 5;
S2. during two sheaths, sheath 5 is outer around putting glass fibre 4, be uniformly distributed in around sheath 5, basalt fibre band 3 is indulged bag simultaneously and butt up against outside glass fibre 4, resistance to electric trace sheath 2 and outermost polyethylene layer 1 adopt the mode of double-layer coextrusion to be coated on outside basalt fibre band 3;
S3. adopt step temperature cooling when tank crossed by optical cable, with contraction of slowing down, reduce unrelieved stress; Large inner core (inner diameter of steel flue 800 ~ 1000mm) is adopted to coil tool take-up during end take-up.
Above an embodiment of the invention has been described in detail, but described content being only the preferred embodiment of the invention, the practical range for limiting the invention can not being considered to.All equalization changes done according to the invention application range with improve, within the covering scope that still all should belong to the invention.
Claims (10)
1. basalt fibre band and a glass fibre multiplexing enhancing ADSS optical fiber cable, it comprises cable core, waterstop (6), polythene inner (5), periphery reinforcement unit, outer protective sleeve unit from inside to outside successively; It is characterized in that: described periphery is strengthened unit and comprised glass fibre (4) and basalt fibre band (3); Polythene inner (5) is coated with layer of glass (4), and glass fibre (4) is coated with one deck basalt fibre band (3).
2. basalt fibre band as claimed in claim 1 and glass fibre multiplexing enhancing ADSS optical fiber cable, it is characterized in that: glass fibre (4) adopts and is uniformly distributed in polythene inner (5) outward around the technique of putting, and adopt radical ratio to be that block water glass fibre and the conventional glass fibers crossing parallel of 1 ︰ 1 are around putting.
3. basalt fibre band according to claim 1 and glass fibre multiplexing enhancing ADSS optical fiber cable, it is characterized in that: basalt fibre band (3) is woven by continuous basalt fiber and forms, the filament diameter of basalt fibre is 8 ~ 20 microns, and the thickness of basalt fibre band (3) is 0.3 ~ 0.7mm.
4. basalt fibre band according to claim 1 and glass fibre multiplexing enhancing ADSS optical fiber cable, it is characterized in that: described cable core comprises some Loose tube (8) and nonmetal strengthening core (7), and some Loose tube (8) are stranded in nonmetal strengthening core (7) around.
5. basalt fibre band according to claim 1 and glass fibre multiplexing enhancing ADSS optical fiber cable, is characterized in that: waterstop (6) is coated with out hawser.
6. basalt fibre band according to claim 1 and glass fibre multiplexing enhancing ADSS optical fiber cable, is characterized in that: described outer protective sleeve unit comprises resistance to electric trace sheath (2), polyethylene layer (1); The resistance to electric trace sheath (2) of basalt fibre band (3) outer cladding, resistance to electric trace sheath (2) outer cladding one polyethylene layer (1).
7. basalt fibre band according to claim 6 and glass fibre multiplexing enhancing ADSS optical fiber cable, is characterized in that: resistance to electric trace sheath (2) adopts resistance to electric trace PP Pipe Compound, and polyethylene layer (1) thickness is 0.3 ~ 0.5mm.
8., as the basalt fibre band in claim 1 or 3 as described in any one and the multiplexing forming method strengthening ADSS optical fiber cable of glass fibre, it is characterized in that: it comprises the following steps:
Described cable core is vertical bag waterstop (6) outward;
Tygon extrusion molding is used to go out to be coated on waterstop (6) polythene inner outward (5);
Polythene inner (5) is outward around putting glass fibre (4), make glass fibre (4) be uniformly distributed in polythene inner (5) around, vertical for basalt fibre band (3) bag is butted up against glass fibre (4) outward simultaneously;
Outer protective sleeve unit is coated on basalt fibre band (3) outward.
9. the forming method of basalt fibre band according to claim 8 and glass fibre multiplexing enhancing ADSS optical fiber cable, is characterized in that: described outer protective sleeve unit comprises resistance to electric trace sheath (2), polyethylene layer (1); The resistance to electric trace sheath (2) of basalt fibre band (3) outer cladding, resistance to electric trace sheath (2) outer cladding one polyethylene layer (1); Resistance to electric trace sheath (2) and outermost polyethylene layer (1) adopt the mode of double-layer coextrusion to be coated on basalt fibre band (3) outward.
10. the forming method of basalt fibre band according to claim 8 and glass fibre multiplexing enhancing ADSS optical fiber cable, it is characterized in that: described optical cable adopts step temperature cooling: be divided into 3 humidity provinces successively, be respectively hydrothermal area, warm water district and normal temperature district, temperature reduces district by district; The dish tool take-up of inner diameter of steel flue 800 ~ 1000mm is adopted during end take-up.
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| CN201510147999.7A CN104698556B (en) | 2015-03-31 | 2015-03-31 | A kind of ADSS optical fiber cables and its forming method |
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| CN201510147999.7A CN104698556B (en) | 2015-03-31 | 2015-03-31 | A kind of ADSS optical fiber cables and its forming method |
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Cited By (5)
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| CN106199867A (en) * | 2016-08-04 | 2016-12-07 | 成都亨通光通信有限公司 | A kind of production technology of all dielectric 8-shaped self-bearing type glass fibre belt optical cable |
| CN107290832A (en) * | 2017-08-09 | 2017-10-24 | 浙江亨通光网物联科技有限公司 | A kind of ice-covering-proof resistance to electric trace ADSS optical cables and preparation technology |
| WO2021082687A1 (en) * | 2019-10-29 | 2021-05-06 | 江苏亨通光电股份有限公司 | All-dielectric central beam tube type ratproof, termite-proof, and lightning-proof optical cable and manufacturing process therefor |
| CN113738960A (en) * | 2021-08-11 | 2021-12-03 | 临海伟星新型建材有限公司 | Intelligent conveying pipeline capable of displaying pipeline blockage position |
| CN116931208A (en) * | 2023-09-14 | 2023-10-24 | 江苏亨通海洋光网系统有限公司 | Nonmetal strong impact resistant optical cable and preparation method thereof |
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| CN204631302U (en) * | 2015-03-31 | 2015-09-09 | 江苏亨通光电股份有限公司 | A kind of basalt fibre band and glass fibre multiplexing enhancing ADSS optical fiber cable |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106199867A (en) * | 2016-08-04 | 2016-12-07 | 成都亨通光通信有限公司 | A kind of production technology of all dielectric 8-shaped self-bearing type glass fibre belt optical cable |
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| CN113738960A (en) * | 2021-08-11 | 2021-12-03 | 临海伟星新型建材有限公司 | Intelligent conveying pipeline capable of displaying pipeline blockage position |
| CN116931208A (en) * | 2023-09-14 | 2023-10-24 | 江苏亨通海洋光网系统有限公司 | Nonmetal strong impact resistant optical cable and preparation method thereof |
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| CN104698556B (en) | 2018-05-22 |
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