CN103531293A - Leading-out-optical-cable-type optical phase conductor and splicing method thereof - Google Patents
Leading-out-optical-cable-type optical phase conductor and splicing method thereof Download PDFInfo
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- CN103531293A CN103531293A CN201310492741.1A CN201310492741A CN103531293A CN 103531293 A CN103531293 A CN 103531293A CN 201310492741 A CN201310492741 A CN 201310492741A CN 103531293 A CN103531293 A CN 103531293A
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Abstract
The invention relates to a leading-out-optical-cable-type optical phase conductor and a splicing method thereof. The conductor comprises a metal pipe with a leading-out optical cable inside and a plurality of conductive reinforcing parts. The metal pipe and the conductive reinforcing parts are stranded together. Preferably, the metal pipe and the conductive reinforcing parts are closely arranged and are concentrically stranded together, and the metal pipe is arranged in the center or the inner layer. More preferably, the metal pipe comprises a metal layer and the leading-out optical cable which is covered in the metal layer. Sealant is filled in a gap between the metal layer and the leading-out optical cable. The conductor can be spliced by adopting a common power nonmetallic joint box and a terminal box, the splicing hardware is reduced, the weight borne by a tower is greatly reduced and the difficulties in line construction, installation and splicing can be reduced.
Description
Technical field
The present invention relates to a kind of derivation optical cable type optical fiber composite overhead wire and connecting method thereof, particularly relate in a kind of medium-high voltage transmission lines road for transmitting electricity and derivation optical cable type optical fiber composite overhead wire and the connecting method thereof of optical fiber communication.
Background technology
Optical fiber composite overhead wire (OPPC) is the wire of the built-in fiber unit of a kind of 35kV of being applied to and above transmission line, has the dual-use function of transmission of electricity and optical fiber communication simultaneously.The light unit of metal tube built-in fiber and filler in existing OPPC; in splice locations because optical fiber can not directly be derived and carry out fibre junction without protection from OPPC; when the centre between each section of OPPC is continued with final connection; photodetachment and fibre junction are partly sealed in connector box and terminal box inside, and must adopt high voltage withstanding splicing fitting and connector box and terminal box.
HVAC power transmission line is to adopt three wires, is wherein applying OPPC for one.Splicing fitting, connector box and the terminal box of now, photodetachment high pressure resistant with having of OPPC and hermetically-sealed construction, its complex structure, volume is large, weight is large.Existing situation is, not only high-voltage breakdown and fibre junction fault happen occasionally, and shaft tower installation dimension and weight load-supporting all need greatlyr than plain conductor, and high-altitude construction operation difficulty is large, the time is long, and manufacturing cost is very high.And, when OPPC and connector box or terminal box continue, be limited by the impact of installation dimension, continuing happens occasionally cuts because complicated operation causes the OPPC end-grain cutting that continues the event of damaging cable, causing OPPC curtailment to cause whole section of OPPC to scrap.Owing to there is some technological deficiencies and the hidden danger that affects high voltage power transmission fail safe, reliability, brought many restrictions to large-scale promotion and the application of OPPC.
For solving above-mentioned deficiency, study a kind of New O PPC structure reasonable in design and easy to use, reliable connecting method, adopt splicing fitting, connector box and terminal box simple in structure, reduce installation dimension and the supported weight of shaft tower, reduce costs, promote fail safe, the reliability of ultra-high-tension power transmission line system, the large-scale promotion application that is applicable to OPPC, be specially adapted to solve the former limited situation of mechanical load that has overhead line structures in old track remodelling process, become a new technology being badly in need of solution in industry.
Summary of the invention
The object of the invention is for above-mentioned the deficiencies in the prior art, a kind of derivation optical cable type optical fiber composite overhead wire that can promote the safety and reliability of ultra-high-tension power transmission line system is provided.
For achieving the above object, the technical solution used in the present invention is as follows.
An optical cable type optical fiber composite overhead wire, comprises that includes metal tube and some conduction reinforcements of deriving optical cable, and described metal tube and described conduction reinforcement twist together.
Further, described metal tube and described conduction reinforcement close-packed arrays also twist together in concentric circles mode, and described metal tube is positioned at center or internal layer.
Further, described metal tube comprises metal level and is carried out the derivation optical cable in metal level by bag, in the gap between described metal level and described derivation optical cable, is filled with sealing compound.
Further, described metal level continuous sealing, a kind of the making in stainless steel, aluminium, aluminium alloy or composition metal.
Further, described derivation optical cable comprises one or more optical fiber, filler, bag shoe layer, non-metal reinforcement member and oversheath, and described optical fiber is colored optical fiber or tightly packaged fiber.
Further, described filler comprises filling paste and gasket for packing.
Further, described bag shoe layer comprises that softening temperature is not less than plastics or the rubber and plastic compound of 150 ℃.
Further, the material of described non-metal reinforcement member comprises aramid fiber or other high-strength high temperature-resistant fiber.
Further, one or more in resistance to electric trace polyolefin jacket material, polyolefin jacket material, fluoroplastics, nylon, polyester of described oversheath are made.
Further, described sealing compound is that dropping point is not less than 150 ℃, petroleum jelly or the silica gel of normal temperature glue.
Further, described conduction reinforcement comprises zinc-coated wire, aluminum cald steel wire, aluminum-alloy wire, aluminium wire.
The connecting method that the present invention further provides a kind of aforesaid derivation optical cable type optical fiber composite overhead wire, comprises the steps:
1) on the shaft tower that need to continue at derivation optical cable type optical fiber composite overhead wire, by deriving optical cable type optical fiber composite overhead wire, according to conventional stringing and continuation method, be fixed on shaft tower, in the splice locations that derives optical cable type optical fiber composite overhead wire, first the conduction reinforcement of deriving the metal tube outside of optical cable type optical fiber composite overhead wire is unclamped to 2-10 rice, then from the gap oblique 2-10 of the drawing rice metal tube of the conduction reinforcement through unclamping, metal tube is separated with conduction reinforcement;
2) at metal tube and the conduction separated place of reinforcement, metal tube is drawn, separation, from clipping metal tube position, the reinforcement that respectively conducts electricity of the extreme direction that continues is organized into twisted state, for conducting electricity connection from oblique side direction;
3) at metal tube and the conduction separated place of reinforcement, first that oblique metal management of drawing is straight, 20-100 mm length position at distance conduction reinforcement, metal level on metal tube is ruptured with Special cutting knife cutting for one week, after peeling off metal level, expose derivation optical cable, then deriving optical cable and metal level, separate, deriving optical cable, from the integral body of derivation optical cable type optical fiber composite overhead wire, separate, for cable connection;
4) when derivation optical cable carries out cable connection, adopt nonmetal connector box or the terminal box of electric power optical cable special use, and derive continuing of optical cable by the connecting method of electric power optical cable, the derivation optical cable of remaining length, as remaining cable, is fixed on above remaining cable frame;
5) when conduction continues, adopt the connecting method of conventional high-voltage conducting wires, separated with metal tube conduction reinforcement is conductively connected continuous, comprise conductor crimping or and connect.
Owing to adopting technique scheme, the invention has the beneficial effects as follows:
Derivation optical cable type optical fiber composite overhead wire of the present invention, by the OPPC of design new structure, has not only kept all transmission of electricity and the optical fiber communication functions of the normal operation of ultra-high-tension power transmission line, has also greatly simplified connecting method.Adopt the common nonmetallic connector box of electric power and terminal box can carry out continuing of optical fiber, and simplified splicing fitting, significantly alleviated the weight that shaft tower carries, reduce line construction, the difficulty continuing is installed.Simultaneously, owing to not needing to adopt existing high pressure resistant connector box and the terminal box that needs again photodetachment that need, ultra-high-tension power transmission line safety in operation, reliability are significantly improved, facilitate maintenance, the replacing of pressure transmission line splicing fitting used, and increased measurability, the maintainability of optical fiber communication.Above-mentioned advantage, make to adopt OPPC ultra-high-tension power transmission line system more practical and safe and reliable, be applicable to large-scale promotion application, be particularly applicable to solve the former limited situation of mechanical load that has overhead line structures in old track remodelling process, there is the very high value in industry.
Accompanying drawing explanation
Fig. 1 is the structural representation of the first execution mode of derivation optical cable type optical fiber composite overhead wire of the present invention.
Fig. 2 is the structural representation of the second execution mode of derivation optical cable type optical fiber composite overhead wire of the present invention.
Fig. 3 is the structural representation of the metal tube of derivation optical cable type optical fiber composite overhead wire of the present invention.
Fig. 4 is the connecting method schematic diagram of derivation optical cable type optical fiber composite overhead wire of the present invention.
In figure, 1-metal tube, 11-metal level, 12-derives optical cable, 121 optical fiber, 122-filler, 123-coating layer, 124-non-metal reinforcement member, 125-oversheath, 13-sealing compound, 2-conducts electricity reinforcement, 3-connector box, 4-terminal box.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is described in further detail.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
The first execution mode that the present invention derives optical cable type optical fiber composite overhead wire as shown in Figure 1, comprise that includes metal tube 1 and some conduction reinforcements 2 of deriving optical cable 12, metal tube 1 is close-packed arrays and twists together in concentric circles mode with conduction reinforcement 2, metal tube 1 is placed on internal layer position, skin is all conduction reinforcement 2, the conduction reinforcement 2 of center and internal layer adopts aluminum cald steel wire, and outer field conduction reinforcement 2 adopts aluminium wire.
Fig. 3 is the structural representation of the metal tube of derivation optical cable type optical fiber composite overhead wire of the present invention, and as shown in Figure 3, metal tube adopts the saturating steel of continuous sealing as metal level 11, and metal level 11 inner sides and the gap-fill of deriving between optical cable 12 have sealing compound 13; Derive optical cable 12 and be followed successively by from inside to outside 12 optical fiber 121, filler 122, coating layer 123, non-metal reinforcement member 124, oversheath 125; As preferably, optical fiber 121 is colored optical fiber, and filler 122 is fine cream, and the material that bag is carried out layer 123 is PBT(polybutylene terephthalate (PBT)), the material of non-metal reinforcement member 124 is aramid fiber, the material of oversheath 125 is resistance to electric trace polyolefin jacket material.
The second execution mode that the present invention derives optical cable type optical fiber composite overhead wire as shown in Figure 2, comprise metal tube 1 and a conduction reinforcement 2 that includes derivation optical cable 12, metal tube 1 is close-packed arrays and twists together in concentric circles mode with conduction reinforcement 2, metal tube 1 is in center, skin is all conduction reinforcement 2, the conduction reinforcement 2 of internal layer is aluminum cald steel wire, and outer field conduction reinforcement 2 is aluminum-alloy wire.
Fig. 3 is the structural representation of the metal tube of derivation optical cable type optical fiber composite overhead wire of the present invention, as shown in Figure 3, metal tube 1 adopts the saturating steel of continuous sealing as metal level 11, and metal level 11 inner sides and the gap-fill of deriving between optical cable 12 have sealing compound 13; Derive optical cable 12 and be followed successively by from inside to outside 12 optical fiber 121, filler 122, bag shoe layer 123, non-metal reinforcement member 124, oversheath 125; As preferably, optical fiber 121 is tightly packaged fiber, and filler 122 is fine cream, and the material that bag is carried out layer 123 is fluoroplastics, and the material of non-metal reinforcement member 124 is aramid fiber, and the material of oversheath 125 is fluoroplastics.
The connecting method of the derivation optical cable type optical fiber composite overhead wire of embodiment 1 and embodiment 2 as shown in Figure 4, comprises the steps:
Step 4, when derivation optical cable 12 continues, needs to adopt nonmetal connector box 3 or the terminal box 4 of electric power optical cable special use, and derives continuing of optical cable 12 by the connecting method of electric power optical cable.The derivation optical cable 12 of remaining length can be made remaining cable, is fixed on above remaining cable frame.
Step 5, when conduction continues, adopts the method for conductor crimping, and separated with metal tube 1 conduction reinforcement 2 is conductively connected continuous.
The foregoing is only preferred embodiment of the present invention, be not used for limiting practical range of the present invention; If do not depart from the spirit and scope of the present invention, the present invention is modified or is equal to replacement, all should be encompassed in the middle of the protection range of the claims in the present invention.
Claims (12)
1. derive an optical cable type optical fiber composite overhead wire, it is characterized in that, comprise that includes metal tube and some conduction reinforcements of deriving optical cable, described metal tube and described conduction reinforcement twist together.
2. derivation optical cable type optical fiber composite overhead wire according to claim 1, is characterized in that, described metal tube and described conduction reinforcement close-packed arrays also twist together in concentric circles mode, and described metal tube is positioned at center or internal layer.
3. derivation optical cable type optical fiber composite overhead wire according to claim 1 and 2, it is characterized in that, described metal tube comprises metal level and is carried out the derivation optical cable in metal level by bag, in the gap between described metal level and described derivation optical cable, is filled with sealing compound.
4. derivation optical cable type optical fiber composite overhead wire according to claim 3, is characterized in that described metal level continuous sealing, a kind of the making in stainless steel, aluminium, aluminium alloy or composition metal.
5. derivation optical cable type optical fiber composite overhead wire according to claim 3, is characterized in that, described derivation optical cable comprises one or more optical fiber, filler, bag shoe layer, non-metal reinforcement member and oversheath, and described optical fiber is colored optical fiber or tightly packaged fiber.
6. derivation optical cable type optical fiber composite overhead wire according to claim 5, is characterized in that, described filler comprises filling paste and gasket for packing.
7. derivation optical cable type optical fiber composite overhead wire according to claim 5, is characterized in that, described bag is carried out layer and comprised that softening temperature is not less than plastics or the rubber and plastic compound of 150 ℃.
8. derivation optical cable type optical fiber composite overhead wire according to claim 5, is characterized in that, the material of described non-metal reinforcement member comprises aramid fiber or other high-strength high temperature-resistant fiber.
9. derivation optical cable type optical fiber composite overhead wire according to claim 5, is characterized in that, one or more in resistance to electric trace polyolefin jacket material, polyolefin jacket material, fluoroplastics, nylon, polyester of described oversheath are made.
10. derivation optical cable type optical fiber composite overhead wire according to claim 3, is characterized in that, described sealing compound is that dropping point is not less than 150 ℃, petroleum jelly or the silica gel of normal temperature glue.
11. derivation optical cable type optical fiber composite overhead wires according to claim 1 and 2, is characterized in that, described conduction reinforcement comprises zinc-coated wire, aluminum cald steel wire, aluminum-alloy wire, aluminium wire.
The connecting method of the derivation optical cable type optical fiber composite overhead wire described in 12. 1 kinds of aforementioned claims, is characterized in that, comprises the steps:
1) on the shaft tower that need to continue at derivation optical cable type optical fiber composite overhead wire, by deriving optical cable type optical fiber composite overhead wire, according to conventional stringing and continuation method, be fixed on shaft tower, in the splice locations that derives optical cable type optical fiber composite overhead wire, first the conduction reinforcement of deriving the metal tube outside of optical cable type optical fiber composite overhead wire is unclamped to 2-10 rice, then from the gap oblique 2-10 of the drawing rice metal tube of the conduction reinforcement through unclamping, metal tube is separated with conduction reinforcement;
2) at metal tube and the conduction separated place of reinforcement, metal tube is drawn, separation, from clipping metal tube position, the reinforcement that respectively conducts electricity of the extreme direction that continues is organized into twisted state, for conducting electricity connection from oblique side direction;
3) at metal tube and the conduction separated place of reinforcement, first that oblique metal management of drawing is straight, 20-100 mm length position at distance conduction reinforcement, metal level on metal tube is ruptured with Special cutting knife cutting for one week, after peeling off metal level, expose derivation optical cable, then deriving optical cable and metal level, separate, deriving optical cable, from the integral body of derivation optical cable type optical fiber composite overhead wire, separate, for cable connection;
4) when derivation optical cable carries out cable connection, adopt nonmetal connector box or the terminal box of electric power optical cable special use, and derive continuing of optical cable by the connecting method of electric power optical cable, the derivation optical cable of remaining length, as remaining cable, is fixed on above remaining cable frame;
5) when conduction continues, adopt the connecting method of conventional high-voltage conducting wires, separated with metal tube conduction reinforcement is conductively connected continuous, comprise conductor crimping or and connect.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109616849A (en) * | 2019-01-09 | 2019-04-12 | 贵州电网有限责任公司 | A kind of 19 embedding aluminium compression bonding methods of strand steel strand wires docking of aerial condutor |
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CN2556664Y (en) * | 2002-07-29 | 2003-06-18 | 胡浩 | New full medium optic cable |
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