CN220820315U - Central tube type single tube 132-core OPGW optical cable - Google Patents
Central tube type single tube 132-core OPGW optical cable Download PDFInfo
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- CN220820315U CN220820315U CN202322100328.8U CN202322100328U CN220820315U CN 220820315 U CN220820315 U CN 220820315U CN 202322100328 U CN202322100328 U CN 202322100328U CN 220820315 U CN220820315 U CN 220820315U
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- unit
- optical
- wire layer
- conductive unit
- stranded
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- 230000003287 optical effect Effects 0.000 title claims abstract description 46
- 239000013307 optical fiber Substances 0.000 claims abstract description 38
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 24
- 239000010935 stainless steel Substances 0.000 claims abstract description 24
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 21
- 239000010959 steel Substances 0.000 claims abstract description 21
- 239000004020 conductor Substances 0.000 claims description 4
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 3
- 239000003063 flame retardant Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229920000098 polyolefin Polymers 0.000 claims description 3
- 239000000779 smoke Substances 0.000 claims description 3
- 229910052736 halogen Inorganic materials 0.000 claims description 2
- 150000002367 halogens Chemical class 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 6
- 229910052742 iron Inorganic materials 0.000 abstract description 3
- 239000002131 composite material Substances 0.000 description 8
- 208000025274 Lightning injury Diseases 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Communication Cables (AREA)
Abstract
The utility model discloses a central tube type single tube 132-core OPGW optical cable, which particularly relates to the field of optical cables, and comprises an optical unit, wherein optical fibers are wrapped in the optical unit, a stranded wire layer is stranded outside the optical unit, the optical unit comprises a stainless steel tube, 132 optical fibers are arranged in the stainless steel tube, the stranded wire layer is divided into an inner stranded wire layer and an outer stranded wire layer which are formed by a plurality of aluminum-clad steel monofilaments, the inner stranded wire layer is a first conductive unit, the outer stranded wire layer is a second conductive unit, and the second conductive unit is stranded outside the first conductive unit. According to the utility model, by setting the diameter of the stainless steel tube, the surplus length of the optical fiber can be ensured to be large enough, and the twisted wire layer structure formed by the aluminum-clad steel single wires can keep the whole unit weight of the lighter optical cable while improving the capacity of the optical fiber, so that the extra on an iron tower or a wire rod is avoided, and the advantages of safety, stability and reliability of an extra-high voltage line transmission line can be satisfied.
Description
Technical Field
The utility model relates to the technical field of optical cables, in particular to a central tube type single tube 132-core OPGW optical cable.
Background
The optical fiber composite overhead ground wire Optical fiber composite overhead ground wires (OPGW) is a special power optical cable integrating the functions of a communication line and an overhead ground wire, integrates the functions of optical fiber communication and lightning protection of a power transmission line, and utilizes the special primary power line resources of a power system to form a communication network. The conventional OPGW is similar to a common steel strand structure, has the characteristics of good structure and high strength, and is characterized in that an external strand transmits lightning current, an optical fiber signal transmission line is arranged in the external strand, and along with the construction of an optical fiber communication network of a power system, an optical fiber composite overhead ground wire (OPGW) is increasingly and largely adopted.
The utility model patent of patent publication number CN211603653U discloses an optical fiber composite overhead ground wire, which comprises an embedded optical cable, wherein a hollow supporting core is wrapped outside the embedded optical cable, and a plurality of aluminum-clad steel single wires are stranded outside the hollow supporting core. The utility model improves the water blocking performance of the optical fiber unit in the optical fiber composite overhead ground wire, expands the communication capacity, resists lightning stroke and prolongs the service life of the optical fiber composite overhead ground wire.
However, this structure increases the communication capacity in practical use, but the outer diameter and unit weight of the optical cable are increased, so that the optical cable cannot be used for line improvement without replacement of the optical cable tower or the wire pole, and therefore, a central tube type single tube 132-core OPGW optical cable has been proposed.
Disclosure of utility model
The technical scheme of the utility model aims at solving the technical problem of overlarge singleness in the prior art and provides a solution which is obviously different from the prior art. In order to overcome the above-mentioned drawbacks of the prior art, the present utility model provides a central tube type single tube 132-core OPGW optical cable, so as to solve the problems set forth in the above-mentioned background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a central tube type single tube 132-core OPGW optical cable comprises an optical unit, wherein an optical fiber is wrapped in the optical unit, and a stranded wire layer is stranded outside the optical unit.
All the conductive units are composed of aluminum-clad steel monofilaments, the diameter of the optical unit 1 composed of stainless steel tubes reaches more than 5.3mm, so that the surplus length of the optical fibers is ensured to be large enough to meet the safety, stability and reliability of the ultra-high voltage transmission line, and 132 optical fibers are arranged in the stainless steel tubes.
Preferably, the light unit comprises a stainless steel tube with 132 optical fibers disposed therein.
The 132 optical fibers are effectively protected to be fixed in a central beam tube structure or a layer stranding structure through the stainless steel tube, so that the optical fibers are conveniently bundled in the optical fiber composite overhead ground wire.
Preferably, the stranded wire layer is divided into an inner stranded wire layer and an outer stranded wire layer which are formed by a plurality of aluminum-clad steel monofilaments, the inner stranded wire layer is a first conductive unit, the outer stranded wire layer is a second conductive unit, and the second conductive unit is stranded outside the first conductive unit.
Preferably, the diameter size of the stainless steel tube is larger than 5.3mm so as to ensure that the residual length of the optical fiber is large enough to meet the safety, stability and reliability of the ultra-high voltage transmission line.
Preferably, the first conductive unit and the second conductive unit are both 20% IACS aluminum coated steel monofilaments, the number of the outer layers of the first conductive unit is 9, the diameter of the aluminum coated steel monofilaments is more than or equal to 2.7mm, the number of the outer layers of the second conductive unit is 10, and the diameter of the aluminum coated steel monofilaments is more than or equal to 2.4mm.
The optical cable is limited in outer diameter, so that the mechanical property, the electrical property and the lightning stroke resistance of the optical cable are improved, and the capacity expansion of communication is realized while the burden of the existing line is not increased by matching the stainless steel pipe with the large diameter with 9-10 aluminum-clad steel monofilaments, so that the requirements of large fiber core number and low unit weight are met.
The first conductive unit is annularly arranged around the outer part of the stainless steel tube, and the second conductive unit is annularly hinged to the outer part of the first conductive unit.
The outer portion of the stranded wire layer is sleeved with a sheath, the sheath is made of low-smoke halogen-free flame-retardant polyolefin materials, a wire slot is formed in the inner wall of the sheath, and the outer portion of the stranded wire layer is connected with the wire slot.
The utility model has the technical effects and advantages that:
According to the utility model, by setting the diameter of the stainless steel tube, the surplus length of the optical fiber can be ensured to be large enough, and the twisted wire layer structure formed by the aluminum-clad steel single wires can keep the whole unit weight of the lighter optical cable while improving the capacity of the optical fiber, so that the extra on an iron tower or a wire rod is avoided, and the advantages of safety, stability and reliability of an extra-high voltage line transmission line can be satisfied.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
The reference numerals are: 1. a light unit; 2. a stranded wire layer; 3. an optical fiber.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The central tube type single tube 132-core OPGW optical cable shown in the attached figure 1 comprises an optical unit 1, an optical fiber 3 is wrapped in the optical unit 1, a stranded wire layer 2 is stranded outside the optical unit 1, all conductive units are formed by aluminum-clad steel monofilaments, the diameter of the optical unit 1 formed by stainless steel tubes reaches more than 5.3mm, the surplus length of the optical fiber is ensured to be large enough to meet the safety, stability and reliability of an ultra-high voltage line transmission line, and 132 optical fibers 3 are installed in the stainless steel tubes.
The optical unit 1 comprises a stainless steel tube, 132 optical fibers 3 are arranged in the stainless steel tube, and the 132 optical fibers 3 are effectively protected to be fixed in a central beam tube type structure or a layer stranding structure through the stainless steel tube, so that the optical fiber is convenient to cluster in the optical fiber composite overhead ground wire.
The stranded wire layer 2 is divided into an inner stranded wire layer and an outer stranded wire layer which are formed by a plurality of aluminum-clad steel monofilaments, the inner stranded wire layer is a first conductive unit, the outer stranded wire layer is a second conductive unit, and the second conductive unit is stranded outside the first conductive unit.
The diameter size of the stainless steel tube is larger than 5.3mm so as to ensure that the residual length of the optical fiber 3 is large enough to meet the safety, stability and reliability of the ultra-high voltage transmission line.
The first conductive unit and the second conductive unit are both 20% IACS aluminum-clad steel monofilaments, the diameter of the first conductive unit is more than or equal to 2.7mm, the diameter of the second conductive unit is more than or equal to 10 aluminum-clad steel monofilaments, the outer diameter of the second conductive unit is more than or equal to 2.4mm, the outer diameter of the optical cable is limited, the mechanical property, the electrical property and the lightning stroke resistance of the optical cable are improved by properly limiting the outer diameter of the optical cable, and the expansion of communication is realized while the burden of the existing circuit is not increased by matching 9-10 aluminum-clad steel monofilaments with a large-diameter stainless steel pipe, so that the requirements of large optical fiber core number and low unit weight are met.
The first conductive unit is annularly arranged around the outer part of the stainless steel tube, and the second conductive unit is annularly hinged to the outer part of the first conductive unit.
The outside of stranded conductor layer 2 has cup jointed the sheath, and the sheath adopts the low smoke and zero halogen flame retardant polyolefin material to make, and the wire casing has been seted up to the sheath inner wall, and the outside of stranded conductor layer 2 is connected with the wire casing and is cooperated to avoid the optical cable inside to produce torsion with the sheath.
According to the utility model, by setting the diameter of the stainless steel tube, the surplus length of the optical fiber 3 can be ensured to be large enough, and the twisted wire layer 2 formed by the aluminum-clad steel single wire can keep the whole unit weight of the lighter optical cable while improving the capacity of the optical fiber 3, so that extra on an iron tower or a wire rod is avoided, and the advantages of safety, stability and reliability of an ultra-high voltage line transmission line can be satisfied.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.
Claims (5)
1. A central tube type single tube 132-core OPGW optical cable comprising an optical unit (1), characterized in that: optical fiber (3) is wrapped in the optical unit (1), a stranded wire layer (2) is stranded outside the optical unit (1), the stranded wire layer (2) is divided into an inner stranded wire layer and an outer stranded wire layer which are formed by a plurality of aluminum-clad steel monofilaments, the inner stranded wire layer is a first conductive unit, the outer stranded wire layer is a second conductive unit, the second conductive unit is stranded outside the first conductive unit, the first conductive unit and the second conductive unit are both 20% IACS aluminum-clad steel monofilaments, the outer layers of the first conductive units are 9, the diameter of the aluminum-clad steel monofilaments is more than or equal to 2.7mm, the outer layers of the second conductive units are 10, and the diameter of the aluminum-clad steel monofilaments is more than or equal to 2.4mm.
2. The single tube 132-core OPGW optical cable of claim 1 wherein: the light unit (1) comprises a stainless steel tube, and 132 optical fibers (3) are arranged in the stainless steel tube.
3. A single tube 132-core OPGW optical cable according to claim 2, wherein: the diameter size of the stainless steel tube is larger than 5.3mm.
4. The single tube 132-core OPGW optical cable of claim 1 wherein: the first conductive unit is annularly arranged outside the stainless steel tube in a surrounding mode, and the second conductive unit is annularly hinged outside the first conductive unit.
5. The single tube 132-core OPGW optical cable of claim 1 wherein: the outside of stranded conductor layer (2) has cup jointed the sheath, the sheath adopts the low smoke and zero halogen flame retardant polyolefin material to make, and the wire casing has been seted up to the sheath inner wall, and the outside of stranded conductor layer (2) is connected the cooperation with the wire casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322100328.8U CN220820315U (en) | 2023-08-07 | 2023-08-07 | Central tube type single tube 132-core OPGW optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322100328.8U CN220820315U (en) | 2023-08-07 | 2023-08-07 | Central tube type single tube 132-core OPGW optical cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220820315U true CN220820315U (en) | 2024-04-19 |
Family
ID=90700004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322100328.8U Active CN220820315U (en) | 2023-08-07 | 2023-08-07 | Central tube type single tube 132-core OPGW optical cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220820315U (en) |
-
2023
- 2023-08-07 CN CN202322100328.8U patent/CN220820315U/en active Active
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