CN212907177U - Overhead cable - Google Patents
Overhead cable Download PDFInfo
- Publication number
- CN212907177U CN212907177U CN202022275055.7U CN202022275055U CN212907177U CN 212907177 U CN212907177 U CN 212907177U CN 202022275055 U CN202022275055 U CN 202022275055U CN 212907177 U CN212907177 U CN 212907177U
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- CN
- China
- Prior art keywords
- conductive aluminum
- aluminum conductor
- overhead cable
- fan
- buffer layer
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 43
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 43
- 239000004020 conductor Substances 0.000 claims abstract description 41
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical group C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 17
- 238000005253 cladding Methods 0.000 claims abstract description 7
- 239000000835 fiber Substances 0.000 claims abstract description 7
- 229920000049 Carbon (fiber) Chemical group 0.000 claims abstract description 5
- 239000004917 carbon fiber Chemical group 0.000 claims abstract description 5
- 238000009941 weaving Methods 0.000 claims abstract description 5
- 230000017105 transposition Effects 0.000 claims abstract description 4
- 229920003020 cross-linked polyethylene Polymers 0.000 claims description 6
- 239000004703 cross-linked polyethylene Substances 0.000 claims description 6
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- -1 polyethylene Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 229920000098 polyolefin Polymers 0.000 claims description 3
- 229910000737 Duralumin Inorganic materials 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of cables, especially, relate to an overhead cable, include: carbon fiber core, carbon fiber core's outside cladding has interior buffer layer, and the outside transposition of interior buffer layer has many circular conductive aluminum conductors, and many circular conductive aluminum conductors enclose into the first conductive core of ring structure, and the circular conductive aluminum conductor outside is equipped with a plurality of fan-shaped conductive aluminum conductors, and a plurality of fan-shaped conductive aluminum conductors enclose into the second conductive core of ring structure, and the fan-shaped conductive aluminum conductor outside cladding has insulating layer, fibre weaving layer, outer buffer layer, oversheath in proper order, the utility model discloses a cable dead weight is light, has bearing structure, and laying cost is lower, and tensile strength is strong, and the reliability is high.
Description
Technical Field
The utility model relates to the technical field of cables, especially, relate to an aerial [ insulated ] cable.
Background
The economy of China is developed at a high speed, the power demand is increasing day by day, and on the other hand, the environmental protection requires energy structure conversion, and the application of clean energy is promoted. Therefore, the construction of power grids for transmitting electric power converted from clean energy is increasing. The west and north of China contain abundant clean energy such as solar energy and wind energy, a reliable and safe transmission power grid is built, and the inevitable trend of development is that electric energy converted from the clean energy is transmitted to high-concentration power utilization areas such as the middle part and the east part. The problems of severe environment, strong illumination, large temperature difference, large wind power and the like in western and north China are seriously examined for a power transmission grid, and the overhead cable is an important component of the grid, so that the safety performance and the weather resistance of the overhead cable are improved, and the method has important significance.
However, the overhead cable which is put into use at present has the problems of large sag, heavy weight, high difficulty in erecting workers, poor weather resistance of the cable and the like, and the development of the overhead cable is seriously influenced.
In view of the above problems, the designer is actively making research and innovation based on the practical experience and professional knowledge that the product engineering is applied for many years, and cooperating with the application of the theory, so as to create an overhead cable, which is more practical.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: an overhead cable is provided to solve the problems of the background art.
In order to achieve the above purpose, the utility model adopts the technical scheme that: an overhead cable, comprising: the carbon fiber core the outside cladding of carbon fiber core has interior buffer layer, the outside transposition of interior buffer layer has many circular conductive aluminum conductors, many circular conductive aluminum conductor encloses into the first electrically conductive core of ring structure, circular conductive aluminum conductor outside is equipped with a plurality of fan-shaped conductive aluminum conductors, and is a plurality of fan-shaped conductive aluminum conductor encloses into the electrically conductive core of second of ring structure, the fan-shaped conductive aluminum conductor outside cladding has insulating layer, fibre weaving layer, outer buffer layer, oversheath in proper order.
Furthermore, the carbon fiber core is formed by twisting a plurality of carbon fiber wires.
Furthermore, the inner buffer layer and the outer buffer layer are made of foamed polyethylene.
Further, the circular conductive aluminum conductor and the fan-shaped conductive aluminum conductor are both formed by high-conductivity hard aluminum wires with the conductivity of 62.5% IACS.
Further, the round conductive aluminum conductor is arranged in 4 layers, and adjacent layers are twisted in a manner of opposite twisting directions.
Further, the number of the fan-shaped conductive aluminum conductors is 6.
Furthermore, the insulating layer is made of cross-linked polyethylene.
Further, the outer surface of the outer sheath is coated with an ultraviolet-proof coating.
Further, the outer sheath is made of cross-linked polyethylene or cross-linked polyolefin.
The utility model has the advantages that:
1. the carbon fiber core is arranged at the center of the cable, so that the performance characteristics of small carbon fiber density, high tensile strength and low elongation are fully utilized, the tensile resistance of the overhead cable is greatly improved, and erection sag is reduced, so that the erection difficulty is greatly reduced, and the construction is convenient;
2. the inner buffer layer and the outer buffer layer are arranged, so that the impact resistance of the cable is improved, the cable is greatly protected from being damaged in the process of transporting the cable, and after the cable is put into use, the outer sheath of the cable is prevented from deforming and cracking due to thermal expansion due to the heat generated by the cable;
3. the fan-shaped conductive aluminum conductor is arranged, so that the inner layer circular conductive aluminum conductor is tightly wrapped, the structure is more compact, the inner part is not easy to deform when the fan-shaped conductive aluminum conductor resists wind force, the conductive sectional area is large under the condition of equal outer diameter, the power transmission amount is effectively increased, and the roundness of the outer edge of the cable is also ensured;
4. by arranging the fiber braided layer, the tensile resistance of the aerial cable is further improved due to the fact that the fiber has strong tensile resistance, and the aerial cable cannot be extruded and broken after being put into use;
the utility model discloses a cable dead weight is light, has load-carrying members, laying cost is lower, and tensile strength is strong, and the reliability is high.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is the utility model discloses embodiment overhead cable's schematic structure view.
Reference numerals: carbon fiber core 1, inner buffer layer 2, circular conductive aluminum conductor 3, fan-shaped conductive aluminum conductor 4, insulating layer 5, fibre weaving layer 6, outer buffer layer 7, oversheath 8.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
An overhead cable as shown in fig. 1, comprising: carbon fiber core 1, carbon fiber core 1's outside cladding has interior buffer layer 2, the outside transposition of interior buffer layer 2 has many circular conductive aluminum conductor 3, many circular conductive aluminum conductor 3 enclose into the first conductive core of ring structure, 3 outsides of circular conductive aluminum conductor are equipped with a plurality of fan-shaped conductive aluminum conductor 4, a plurality of fan-shaped conductive aluminum conductor 4 enclose into the second conductive core of ring structure, 4 outsides of fan-shaped conductive aluminum conductor have cladding in proper order that insulating layer 5, the fibre weaving layer 6, outer buffer layer 7, oversheath 8.
In the above embodiment, the carbon fiber core 1 is preferably formed by twisting a plurality of carbon fiber yarns.
Preferably, in the above embodiment, the inner cushion layer 2 and the outer cushion layer 7 are made of foamed polyethylene, which has a low density and a high tensile strength.
In the above embodiment, the circular conductive aluminum conductor 3 and the fan-shaped conductive aluminum conductor 4 are preferably formed of high-conductivity hard aluminum wires having a conductivity of 62.5% IACS, and have a high current carrying capacity and a light weight.
As a preferable example of the above embodiment, the circular conductive aluminum conductor 3 is arranged in 4 layers, and adjacent layers are twisted in opposite directions, so that the structure is stable and is not easily deformed.
As a preference of the above embodiment, the number of the fan-shaped conductive aluminum conductors 4 is 6.
In the above embodiment, the insulating layer 5 is preferably made of cross-linked polyethylene.
In order to realize that the outer sheath 8 can adapt to outdoor severe environment for a long time and enhance the ageing resistance, the outer surface of the outer sheath 8 is coated with an ultraviolet-proof coating.
In the above embodiment, the outer sheath 8 is preferably made of crosslinked polyethylene or crosslinked polyolefin.
It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. An overhead cable, comprising: carbon fiber core (1), the outside cladding of carbon fiber core (1) has interior buffer layer (2), the outside transposition of interior buffer layer (2) has many circular conductive aluminum conductor (3), many circular conductive aluminum conductor (3) enclose into the first conductive core of ring structure, circular conductive aluminum conductor (3) outside is equipped with a plurality of fan-shaped conductive aluminum conductor (4), and is a plurality of fan-shaped conductive aluminum conductor (4) enclose into the second conductive core of ring structure, fan-shaped conductive aluminum conductor (4) outside has insulating layer (5), fibre weaving layer (6), outer buffer layer (7), oversheath (8) in proper order to wrap.
2. The overhead cable according to claim 1, wherein the carbon fiber core (1) is stranded using a plurality of carbon fiber filaments.
3. The overhead cable according to claim 1, wherein the inner buffer layer (2) and the outer buffer layer (7) are made of foamed polyethylene.
4. The overhead cable according to claim 1, wherein the round conductive aluminum conductor (3) and the fan-shaped conductive aluminum conductor (4) are each constructed using high-conductivity duralumin wire having a conductivity of 62.5% IACS.
5. The overhead cable according to claim 1, wherein the round conductive aluminum conductors (3) are arranged in 4 layers, and adjacent layers are twisted in opposite directions.
6. The overhead cable according to claim 1, wherein the number of fan-shaped conductive aluminum conductors (4) is 6.
7. The overhead cable according to claim 1, wherein the insulating layer (5) is made of cross-linked polyethylene.
8. The overhead cable according to claim 1, wherein the outer sheath (8) is coated on its outer surface with an ultraviolet-proof coating.
9. The overhead cable according to claim 1, wherein the outer sheath (8) is made of cross-linked polyethylene or cross-linked polyolefin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022275055.7U CN212907177U (en) | 2020-10-13 | 2020-10-13 | Overhead cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022275055.7U CN212907177U (en) | 2020-10-13 | 2020-10-13 | Overhead cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212907177U true CN212907177U (en) | 2021-04-06 |
Family
ID=75261353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022275055.7U Active CN212907177U (en) | 2020-10-13 | 2020-10-13 | Overhead cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212907177U (en) |
-
2020
- 2020-10-13 CN CN202022275055.7U patent/CN212907177U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 214200 No.101 hengtongdao, Xinjie street, Yixing City, Wuxi City, Jiangsu Province Patentee after: Yusheng Electric Co.,Ltd. Address before: 214200 No.101 hengtongdao, Xinjie street, Yixing City, Wuxi City, Jiangsu Province Patentee before: Wuxi Yusheng Cable Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 9 Yuanjiang Road, Lusigang Economic Development Zone, Qidong City, Nantong City, Jiangsu Province, 214200 Patentee after: Yusheng Electric Co.,Ltd. Country or region after: China Address before: 214200 No.101 hengtongdao, Xinjie street, Yixing City, Wuxi City, Jiangsu Province Patentee before: Yusheng Electric Co.,Ltd. Country or region before: China |