CN217719135U - Optical fiber composite overhead phase line with insulating optical unit - Google Patents
Optical fiber composite overhead phase line with insulating optical unit Download PDFInfo
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- CN217719135U CN217719135U CN202220015267.8U CN202220015267U CN217719135U CN 217719135 U CN217719135 U CN 217719135U CN 202220015267 U CN202220015267 U CN 202220015267U CN 217719135 U CN217719135 U CN 217719135U
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Abstract
The utility model discloses an optical fiber composite overhead phase line with insulating light unit, including the outer conducting layer, the outer conducting layer includes the electrician aluminum wire of at least two-layer transposition, is outer electrician aluminum wire and inferior outer electrician aluminum wire respectively, and a plurality of insulating light units and inferior outer electrician aluminum wire transposition form time skin. The utility model provides a have insulating optical unit optical fiber composite phase conductor, a plurality of insulating optical units set up in inferior skin, and it is relatively easy to open and shell the optical unit when need drawing down the optical unit, has simplified the operation, and insulating optical unit can directly draw down, has avoided conventional OPPC optical cable to need the manual work to step on the tower and has melted the fibre, has improved the efficiency of construction.
Description
Technical Field
The utility model belongs to the technical field of distribution communication network, more specifically relates to an optical fiber composite overhead phase line with insulating optical unit.
Background
In the process of constructing a 10KV power distribution network communication network, the problem is mainly solved by adopting an optical fiber composite overhead phase line or additionally hanging an all-dielectric self-supporting optical cable (ADSS) on the existing tower. An optical unit for signal transmission in the existing optical phase conductor is made of a metal sleeve such as stainless steel and the like coated with optical fibers, and meanwhile, water-blocking ointment is filled in the sleeve. The optical cable needs a special joint box and professional operators to carry out photoelectric separation operation in the construction process, and needs higher operation skills and special construction equipment. Meanwhile, the phase line needs to be fixed in length, matched with a disc and climbed to a stringing tower for high-altitude fusion of optical fibers. The line erection construction time is long, the cost is high, the line erection construction method cannot be widely popularized in a power distribution network, and particularly, the line erection construction method is prominent in old line reconstruction projects. And the full-medium self-supporting optical cable (ADSS) is additionally hung on the existing tower pole, so that the full-medium self-supporting optical cable and the ground can not be kept at a sufficient safe distance in many occasions due to the insufficient height of the tower pole, and the application range of the full-medium self-supporting optical cable is limited.
Chinese patent publication No. CN209148930U provides an optical fiber composite overhead phase line having an insulated optical unit, however, in this solution, the insulated optical unit is located in an inner twisted layer of the phase line, and when the optical unit needs to be led down, the optical fiber unit is not easily peeled off, and the operation is complicated.
SUMMERY OF THE UTILITY MODEL
To the above defect of prior art or improve the demand, the utility model provides an optical fiber composition phase conductor with insulating optical unit, its aim at is through being close to a plurality of insulating optical units that the outer laying of composite phase conductor, simplifies the operation of drawing down the optical unit, solves current optical fiber composition phase conductor from this and draws down the optical unit time, and the optical unit is difficult for opening to shell, operates complicated technical problem.
In order to achieve the above object, according to an aspect of the present invention, there is provided an optical fiber composite overhead phase line having an insulated light unit, which includes an outer conductive layer, the outer conductive layer includes an electrical aluminum wire of at least two layers of twisting, and is an outer electrical aluminum wire and a sub-outer electrical aluminum wire, respectively, and a plurality of insulated light units are twisted with the sub-outer electrical aluminum wire to form a sub-outer layer.
Preferably, the insulated optical unit-containing optical fiber composite overhead phase line has a plurality of insulated optical units arranged in a central symmetry manner in the secondary outer layer.
Preferably, the optical fiber composite overhead phase line with the insulated optical units has the number of the insulated optical units not more than 1/3 of the sum of the numbers of the secondary outer-layer insulated optical units and the electrical aluminum wires.
Preferably, the insulated optical unit fiber composite overhead phase conductor comprises a central reinforcing member, an inner stranded layer and an outer conducting layer from inside to outside.
Preferably, the insulated optical unit-equipped optical fiber composite overhead phase line has a central reinforcing member made of aluminum-clad steel wire.
Preferably, the optical fiber composite overhead phase line with the insulated optical unit has the inner stranded layer formed by stranding a plurality of aluminum-clad steel wires.
Preferably, the insulated optical unit fiber composite overhead phase line has an outer diameter equivalent to the outer diameter of the second outer electrical aluminum wire.
Preferably, the optical fiber composite overhead phase line with the insulating optical unit comprises the color optical fibers grouped by color spectrums, high-temperature-resistant water-blocking optical fiber paste and a sleeve, wherein the color optical fibers are arranged inside the sleeve, and the high-temperature-resistant water-blocking optical fiber paste is filled between the color optical fibers and the sleeve.
Preferably, the optical fiber composite overhead phase line with the insulated optical unit has a sleeve wall thickness of 0.2-0.8mm, a tensile strength of more than 90Mpa, a lateral pressure resistance of more than 1000N, and is a high-temperature-resistant non-metallic insulating material.
Preferably, the optical fiber composite overhead phase line with the insulated optical unit has the sleeve made of ethylene-tetrafluoroethylene or polyetheretherketone material.
Generally, through the utility model discloses above technical scheme who conceives compares with prior art, can gain following beneficial effect:
the utility model provides a have insulating light unit optical fiber composite overhead phase line, a plurality of insulating light units set up in inferior skin, and it is relatively easy that the light unit is opened and is shelled when need drawing the light unit down, has simplified the operation, and insulating unit can directly draw down, has avoided conventional OPPC optical cable to need the manual work to step on the tower to melt the fibre, has improved the efficiency of construction. According to the preferred scheme, the plurality of insulating optical units are arranged in the secondary outer layer in a centrosymmetric manner, so that the mechanical property difference of the optical fiber composite overhead phase line in each direction is reduced, the connection is convenient, and meanwhile, the number of the optical fiber units is increased, and the bandwidth is favorably improved.
In the preferred scheme, the optical fiber unit adopts a non-metal insulation all-dielectric structure, the photoelectric separation and the optical fiber connection are simple and easy to implement, the optical cable can be directly guided to the ground for connection construction, the construction time of the line can be obviously reduced, and the optical fiber unit is particularly suitable for 10KV power distribution network communication lines.
According to the preferred scheme, the insulating optical unit is made of high-temperature-resistant materials, so that the optical fiber unit is not affected when the temperature of the short-circuit wire rises, the communication is stable, and the reliability of a power distribution network is improved.
Drawings
Fig. 1 is a schematic structural diagram of an optical fiber composite overhead phase line having an insulated optical unit according to embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of an optical fiber composite overhead phase line having an insulated optical unit according to embodiment 2 of the present invention;
fig. 3 is a schematic structural diagram of an optical phase conductor with an insulated optical unit according to embodiment 3 of the present invention;
fig. 4 is a schematic structural diagram of an optical phase conductor with an insulated optical unit according to embodiment 3 of the present invention;
fig. 5 is a schematic structural diagram of an insulated light unit according to an embodiment of the present invention.
The same reference numbers will be used throughout the drawings to refer to the same or like elements or structures, wherein: 1 is insulating light unit, 2 is central reinforcement, 3 is interior transposition layer, 4 is inferior outer electrician aluminum wire, 5 is outer electrician aluminum wire, 6 is the colored optic fibre, 7 is fine cream that blocks water of high temperature resistant, 8 is the sleeve pipe, 9 is high temperature resistant insulating sheath.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. Furthermore, the technical features mentioned in the embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.
The optical fiber composite overhead phase line with the insulating optical unit 1 provided by the utility model sequentially comprises a central reinforcing part 2, an inner twisting layer 3 and an outer conducting layer from inside to outside;
the central reinforcing part 2 is an aluminum clad steel wire;
the inner stranded layer 3 is formed by stranding a plurality of aluminum-clad steel wires;
the outer conductive layer comprises at least two layers of twisted electrical aluminum wires, namely an outer layer electrical aluminum wire 5 and a secondary outer layer electrical aluminum wire 4, and the plurality of insulating light units 1 and the secondary outer layer electrical aluminum wire 4 are twisted to form a secondary outer layer; the plurality of insulating light units 1 are arranged in the secondary outer layer in a centrosymmetric manner; the number of the insulating light units is not more than 1/3 of the sum of the number of the secondary outer layer insulating light units 1 and the number of the electrical aluminum wires. Theoretically, the closer the insulating light unit 1 is to the outer layer, the easier the stripping is when the light unit is led down, and the more convenient the operation is; however, the outermost layer of the light unit is vulnerable to external damage and affects the service life. Meanwhile, the closer to the outer layer, the more obvious the influence of the mechanical property and function difference of the insulated optical unit 1 and the electrical aluminum wire is, so that the optical fiber composite overhead phase line integrally shows anisotropy, for example, the influence of the electric field distribution outside the wire when the optical fiber composite overhead phase line is electrified. For example, the bending performance of the optical fiber unit may be different in different directions when the optical fiber unit is bent, and alignment may be performed according to the optical fiber unit when the optical fiber unit is connected or extracted. The utility model discloses a 1 central symmetry's of a plurality of insulating optical unit design reduces the performance difference on the optical fiber composition phase conductor all directions to conveniently continue, draw down easy registration, optical unit's increase in quantity is favorable to improving the bandwidth simultaneously.
The outer diameter of the insulated optical unit 1 is equivalent to that of the electrical aluminum wire 4 on the secondary outer layer, generally, the outer diameter of the electrical aluminum wire is larger than that of the aluminum-clad steel wire, the insulated optical unit 1 is arranged on the secondary outer layer, and the outer diameter of the electrical aluminum wire is matched, so that the design of a multi-core optical fiber unit can be realized, and the fiber core density is larger;
the insulation optical unit 1 comprises tightly-sleeved optical fibers 6 grouped by a chromatogram and a sleeve, and comprises colored optical fibers 6 grouped by the chromatogram, high-temperature-resistant water-blocking fiber paste 7 and a sleeve 8, wherein the colored optical fibers 6 are positioned in the sleeve, and the high-temperature-resistant water-blocking fiber paste is filled between the colored optical fibers and the sleeve; the wall thickness of the sleeve is 0.2-0.8mm, the tensile strength is greater than 90Mpa, the lateral pressure resistance is greater than 1000N, and the sleeve is a high-temperature-resistant non-metallic insulating material, preferably an ethylene-tetrafluoroethylene (ETFE) or polyether ether ketone (PEEK) material. The sleeve can resist the high temperature of more than 300 ℃ and can be kept for 4 seconds without deformation.
The following are examples:
example 1
As shown in fig. 1, the optical fiber composite overhead phase line with an insulating optical unit 1 provided in this embodiment sequentially includes, from inside to outside, a central stiffener 2, an inner stranded layer 3, and an outer conductive layer;
the central reinforcing part 2 is an aluminum-clad steel wire with the thickness of 1.85 mm;
the inner stranded layer 3 comprises 6 aluminum-clad steel wires with the diameter of 1.85mm, and the aluminum-clad steel wires are stranded;
outer conducting layer includes the electrician's aluminium wire of 2 layers of transposition, for being outer electrician's aluminium wire 5, inferior outer electrician's aluminium wire 4 respectively:
the outer layer is formed by twisting 16 electrical aluminum wires with the outer diameter of 2.38 mm;
8 electrical aluminum wires with the outer diameter of 2.38mm and 2 insulating optical units 1 with the outer diameter of 2.38mm are stranded on the secondary outer layer; the insulating light units 1 are arranged in the secondary outer layer in a central symmetry mode, and 4 electrical aluminum wires are arranged between every two adjacent insulating light units 1 at intervals.
Example 2
As shown in fig. 2, the optical fiber composite overhead phase line with the insulating optical unit 1 provided in this embodiment sequentially includes, from inside to outside, a central reinforcing member 2, an inner stranded layer 3, and an outer conductive layer;
the central reinforcing part 2 is an aluminum-clad steel wire with the thickness of 2.4 mm;
the inner stranded layer 3 comprises 6 aluminum-clad steel wires with the diameter of 2.4mm, and the aluminum-clad steel wires are stranded;
outer conducting layer includes the electrician's aluminium wire of 2 layers of transposition, for being outer electrician's aluminium wire 5, inferior outer electrician's aluminium wire 4 respectively:
the outer layer is formed by stranding 15 electrical aluminum wires with the outer diameter of 3.6 mm;
the secondary outer layer is formed by twisting 6 electrical aluminum wires with the outer diameter of 3.6mm and 3 insulating optical units 1 with the outer diameter of 3.6 mm; the insulating light units 1 are arranged in the secondary outer layer in a central symmetry mode, and 2 electrical aluminum wires are arranged between every two adjacent insulating light units 1 at intervals.
Example 3
As shown in fig. 3, the optical fiber composite overhead phase line with the insulating optical unit 1 provided in this embodiment sequentially includes, from inside to outside, a central reinforcing member 2, an inner stranded layer 3, and an outer conductive layer;
the central reinforcing part 2 is an aluminum-clad steel wire with the thickness of 3.6 mm;
the inner stranded layer 3 comprises 6 aluminum-clad steel wires with the diameter of 3.6mm, and the aluminum-clad steel wires are stranded;
the outer conducting layer comprises 2 layers of stranded electrical aluminum wires, namely an outer layer electrical aluminum wire 5 and a secondary outer layer electrical aluminum wire 4.
The outer layer is formed by stranding 18 electrical aluminum wires with the outer diameter of 3.6 mm;
the secondary outer layer is formed by twisting 10 electrical aluminum wires with the outer diameter of 3.6mm and 2 insulating optical units 1 with the outer diameter of 3.6 mm; insulating light unit 1 is central symmetry and arranges in inferior inlayer, 5 electrician aluminium wires in interval between adjacent insulating light unit 1.
Example 4
As shown in fig. 4, the optical fiber composite overhead phase line with the insulating optical unit 1 provided in this embodiment sequentially includes, from inside to outside, a central stiffener 2, an inner stranded layer 3, and an outer conductive layer;
the central reinforcing part 2 is an aluminum-clad steel wire with the thickness of 3.6 mm;
the inner stranding layer 3 comprises 6 aluminum-clad steel wires with the diameter of 3.6mm, and the aluminum-clad steel wires are stranded;
the outer conducting layer comprises 2 layers of stranded electrical aluminum wires, namely an outer layer electrical aluminum wire 5 and a secondary outer layer electrical aluminum wire 4.
The outer layer is formed by stranding 18 electrical aluminum wires with the outer diameter of 3.6 mm;
the secondary outer layer is formed by twisting 9 electrical aluminum wires with the outer diameter of 3.6mm and 3 insulating optical units 1 with the outer diameter of 3.6 mm; insulating light unit 1 is central symmetry and arranges in inferior inlayer, 3 electrician aluminium wires in interval between adjacent insulating light unit 1.
The embodiment of the utility model provides an optical fiber composite overhead phase line, its insulating optical unit 1, as shown in fig. 3, all are following structure:
the optical fiber cable comprises colored optical fibers 6 grouped by chromatography, high-temperature-resistant water-blocking optical fiber paste 7 and a sleeve 8, wherein the colored optical fibers 6 are positioned in the sleeve, and the high-temperature-resistant water-blocking optical fiber paste 7 is filled between the colored optical fibers and the sleeve;
the chromatographic sequence for the colored fiber 6 was performed according to the DL/T1613-2016 standard. If the number of the optical fibers exceeds 12 cores, the optical fibers and the optical fiber cladding material can be sprayed with color rings according to the DL/T1613-2016 standard, and the number of the optical fiber cores can be further expanded.
The wall thickness of the sleeve is 0.2-0.8mm, the tensile strength is greater than 90Mpa, the lateral pressure resistance is greater than 1000N, and the sleeve is a high-temperature-resistant non-metallic insulating material, preferably an ethylene-tetrafluoroethylene (ETFE) or polyether ether ketone (PEEK) material.
The bushing provided in the embodiment has tensile strength and lateral pressure resistance comparable to those of an electrical aluminum wire, and can further reduce anisotropy of the fiber optic composite overhead phase line caused by differences in mechanical properties between the insulating optical unit 1 and the electrical aluminum wire.
It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.
Claims (12)
1. The optical fiber composite overhead phase line with the insulated optical units is characterized by comprising an outer conducting layer, wherein the outer conducting layer comprises at least two layers of twisted electrical aluminum wires, namely an outer electrical aluminum wire and a secondary outer electrical aluminum wire, and a plurality of insulated optical units and the secondary outer electrical aluminum wire are twisted to form a secondary outer layer.
2. The insulated light unit insulated optical phase conductor of claim 1, wherein the plurality of insulated light units are arranged in a central symmetry in the secondary outer layer.
3. The fiber optic composite overhead phase line having insulated optical units of claim 1, wherein the number of insulated optical units is no more than 1/3 of the sum of the number of the next outer insulated optical units and the electrical aluminum wire.
4. The insulated optical unit-equipped overhead phase conductor of claim 1, wherein the central strength member, the inner stranded layer, and the outer conductive layer are disposed from the inside out.
5. The insulated light unit-equipped OPPC of claim 4, wherein the central strength member is an aluminum-clad steel wire.
6. The insulated optical unit-equipped pcp according to claim 4, wherein the inner stranded layer is formed by stranding a plurality of aluminum-clad steel wires.
7. The fiber optic composite overhead phase line having an insulated optical unit of claim 1, wherein the insulated optical unit has an outer diameter comparable to the next outer electrical aluminum wire.
8. The fiber optic composite overhead phase line having an insulated optical unit according to claim 1, wherein the insulated optical unit comprises chromatically grouped colored optical fibers, a high temperature resistant water blocking paste, and a sleeve, the colored optical fibers being inside the sleeve, the high temperature resistant water blocking paste being filled between the colored optical fibers and the sleeve.
9. The insulated optical unit for a fiber optic composite overhead phase line according to claim 8, wherein the sleeve has a wall thickness of 0.2 mm to 0.8mm and is a high temperature resistant non-metallic insulating material.
10. The insulated optical unit-equipped pcp of claim 9, wherein the jacket tensile strength is greater than 90Mpa.
11. The fiber optic composite overhead phase line having an insulated optical unit of claim 9, wherein the sleeve has a lateral pressure resistance greater than 1000N.
12. The fiber optic composite overhead phase line having an insulated optical unit of claim 8, wherein the jacket is an ethylene-tetrafluoroethylene or polyetheretherketone material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220015267.8U CN217719135U (en) | 2022-01-06 | 2022-01-06 | Optical fiber composite overhead phase line with insulating optical unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220015267.8U CN217719135U (en) | 2022-01-06 | 2022-01-06 | Optical fiber composite overhead phase line with insulating optical unit |
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| Publication Number | Publication Date |
|---|---|
| CN217719135U true CN217719135U (en) | 2022-11-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220015267.8U Active CN217719135U (en) | 2022-01-06 | 2022-01-06 | Optical fiber composite overhead phase line with insulating optical unit |
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| CN (1) | CN217719135U (en) |
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