CN220106104U - Steel core aluminum-clad film overhead conductor - Google Patents
Steel core aluminum-clad film overhead conductor Download PDFInfo
- Publication number
- CN220106104U CN220106104U CN202321406729.XU CN202321406729U CN220106104U CN 220106104 U CN220106104 U CN 220106104U CN 202321406729 U CN202321406729 U CN 202321406729U CN 220106104 U CN220106104 U CN 220106104U
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- CN
- China
- Prior art keywords
- aluminum
- wire
- steel core
- steel
- stranded
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 63
- 239000010959 steel Substances 0.000 title claims abstract description 63
- 239000004020 conductor Substances 0.000 title claims abstract description 14
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 74
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 74
- 239000010410 layer Substances 0.000 claims abstract description 30
- 238000005253 cladding Methods 0.000 claims abstract description 16
- 239000011247 coating layer Substances 0.000 claims abstract description 13
- 239000007888 film coating Substances 0.000 claims description 9
- 238000009501 film coating Methods 0.000 claims description 9
- 239000002356 single layer Substances 0.000 claims description 6
- 239000004411 aluminium Substances 0.000 claims 3
- 210000002489 tectorial membrane Anatomy 0.000 claims 1
- 230000017105 transposition Effects 0.000 claims 1
- 238000005260 corrosion Methods 0.000 abstract description 19
- 230000007797 corrosion Effects 0.000 abstract description 11
- 239000002344 surface layer Substances 0.000 abstract description 3
- 230000002500 effect on skin Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 238000009413 insulation Methods 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 4
- 238000006056 electrooxidation reaction Methods 0.000 description 2
- 241001083847 Berberis Species 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 210000004243 sweat Anatomy 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Landscapes
- Non-Insulated Conductors (AREA)
Abstract
The utility model aims to provide an overhead conductor with strong electric conductivity, corrosion resistance and light weight, which consists of a steel core stranded wire 1 and an aluminum stranded wire 2, wherein the steel core stranded wire 1 consists of more than one strand of steel core 3, an aluminum cladding 4 and a steel core coating layer 5, the aluminum stranded wire 2 consists of a plurality of strands of aluminum wires 6 and an aluminum wire coating layer 7, the steel core is coated with the aluminum cladding to enhance the electric conductivity, the surface layer of each strand of core is coated with an anti-corrosion layer, and the anti-corrosion layer has a certain insulation effect, and each strand of core forms an independent conductor due to lower potential difference between adjacent cores, so that the overall electric conductivity is greatly improved under the action of the skin effect of current. After the surface of each strand of wire core is coated with an anti-corrosion layer, air corrosion, contact corrosion between steel wires and aluminum wires, gap corrosion in stranded wires and the like are effectively avoided.
Description
Technical Field
The utility model belongs to the field of power transmission and distribution, belongs to a wire, and relates to a steel core aluminum coated film overhead wire.
Background
In the field of power transmission and distribution in China, an overhead wire is the most commonly used power transmission mode, and is the sweat Mahonia immediately under ensuring power transmission, and because the overhead wire is exposed outside for a long time, corrosion is caused on wires such as smoke dust and harmful gas discharged from a pollution area, a salt fog area and a factory, in addition, the traditional overhead wire is a steel-cored aluminum stranded wire, and the structural characteristics of the traditional overhead wire are inevitably corroded by air, contact corrosion between a steel wire and the aluminum stranded wire, gap corrosion in the stranded wire and the like, a galvanized layer on the surface of the steel core is contacted with the aluminum wire to form electrochemical corrosion, and as a result, the galvanized layer is corroded quickly, and after the galvanized layer is completely corroded, the steel core is contacted with the aluminum wire to form electrochemical corrosion, so that the aluminum wire is corroded again.
Disclosure of Invention
The utility model aims to provide an overhead conductor with strong conductivity, corrosion resistance and light weight, which consists of a steel-cored stranded wire 1 and an aluminum stranded wire 2, wherein the steel-cored stranded wire 1 is arranged inside, and the aluminum stranded wire 2 is wrapped outside the steel-cored stranded wire 1, and is characterized in that: the steel core stranded wire 1 consists of more than one steel core 3, an aluminum cladding 4 and a steel core film coating layer 5, wherein the surface of each steel core 3 is wrapped with the aluminum cladding 4, and the steel core film coating layer 5 is arranged on the surface of the aluminum cladding 4; the aluminum stranded wires 2 consist of a plurality of aluminum wires 6 and aluminum wire coating layers 7, and the surface of each aluminum wire 6 is provided with an aluminum wire coating layer 7;
the steel core stranded wires 1 are formed by spiral stranding of an odd number of steel cores 3 with aluminum cladding layers 4 and steel core film coating layers 5 around the axis;
the aluminum stranded wire 2 is formed by stranded wires with aluminum wire film layers 7, wherein the aluminum wires 6 are stranded around the steel core stranded wire 1 in the opposite direction of the axis;
the steel core stranded wire 1 is divided into three strand stranding and single-layer stranding and more than one layer of stranding;
the aluminum stranded wires 2 are stranded in a single layer or more.
Drawings
The utility model is described in further detail below with reference to the attached drawings and detailed description:
FIG. 1 is a cross-sectional view of the structure of the present utility model;
in the figure: 1. steel core stranded wire, aluminum stranded wire, steel core, aluminum cladding, steel core coating layer, aluminum wire and aluminum wire coating layer.
Description of the embodiments
The utility model relates to a steel-cored aluminum coated overhead conductor, which consists of a steel-cored stranded wire 1 and an aluminum stranded wire 2, wherein the aluminum stranded wire 2 is stranded and wrapped outside the steel-cored stranded wire 1, and is characterized in that: the steel core stranded wire 1 consists of more than one steel core 3, an aluminum cladding 4 and a steel core film coating layer 5, wherein the surface of each steel core 3 is wrapped with the aluminum cladding 4, and the steel core film coating layer 5 is arranged on the surface of the aluminum cladding 4; the aluminum stranded wires 2 consist of a plurality of aluminum wires 6 and aluminum wire coating layers 7, and the surface of each aluminum wire 6 is provided with an aluminum wire coating layer 7;
the steel core stranded wires 1 are formed by spiral stranding of an odd number of steel cores 3 with aluminum cladding layers 4 and steel core film coating layers 5 around the axis; the steel core 3 is drawn into a steel wire by a high-strength steel rod, electrical aluminum is extruded and coated on the surface of the steel wire by high temperature and high pressure, aluminum steel is formed between the aluminum steel wires to be combined and permeated into the steel wire, and then the steel wire is repeatedly drawn by a double-metal synchronous drawing machine, aluminum and steel deform in the same proportion, so that the combined and permeated of the aluminum steel is more uniform and firm, and then an anti-corrosion layer is coated on the surface of the steel wire through annealing, so that the steel core coating layer 5 is formed.
The aluminum stranded wire 2 is formed by stranded wires with aluminum wire film layers 7, wherein the aluminum wires 6 are stranded around the steel core stranded wire 1 in the opposite direction of the axis; and coating an anti-corrosion layer on the surface layer of the aluminum wire 6 to form an aluminum wire coating layer 7.
The steel core stranded wire 1 is in one of three-strand stranding, single-layer stranding and more than one-layer stranding modes;
the aluminum stranded wire 2 is in one form of a single-layer stranding mode or a stranding mode with more layers.
According to the steel core aluminum-clad film overhead conductor, the steel core wires are coated with the aluminum cladding, the conductivity is enhanced, the surface layer of each core wire is coated with the anti-corrosion layer, and because the anti-corrosion layer has a certain insulating effect, and the potential difference between adjacent core wires is low, each core wire forms an independent conductor, and the overall conductivity is greatly improved under the skin effect of current. After the surface of each strand of wire core is coated with an anti-corrosion layer, air corrosion, contact corrosion between steel wires and aluminum wires, gap corrosion in stranded wires and the like are effectively avoided.
Claims (3)
1. The utility model provides a steel-cored aluminium tectorial membrane air wire comprises steel-cored stranded conductor (1) and aluminium stranded conductor (2), and aluminium stranded conductor (2) transposition parcel is in the outside of steel-cored stranded conductor (1), its characterized in that: the steel core stranded wire (1) consists of more than one steel core (3), an aluminum cladding (4) and a steel core film coating layer (5), wherein the surface of each steel core (3) is wrapped with the aluminum cladding (4), and the steel core film coating layer (5) is arranged on the surface of the aluminum cladding (4); the aluminum stranded wires (2) consist of a plurality of aluminum wires (6) and aluminum wire coating layers (7), and the surface of each aluminum wire (6) is provided with an aluminum wire coating layer (7);
the steel core stranded wires (1) are formed by spiral stranding of odd number of steel cores (3) with aluminum cladding layers (4) and steel core film coating layers (5) around the axes of the steel cores;
the aluminum stranded wire (2) is formed by stranded wires (6) with aluminum wire coating layers (7) stranded around the steel core stranded wire (1) in the opposite direction of the axis.
2. A steel core aluminum coated overhead conductor as claimed in claim 1 wherein: the steel core stranded wire (1) is in one of three-strand stranding and single-layer or more-layer stranding modes.
3. A steel core aluminum coated overhead conductor as claimed in claim 1 wherein: the aluminum stranded wire (2) is in one form of a single-layer stranding mode or a stranding mode with more layers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321406729.XU CN220106104U (en) | 2023-06-05 | 2023-06-05 | Steel core aluminum-clad film overhead conductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321406729.XU CN220106104U (en) | 2023-06-05 | 2023-06-05 | Steel core aluminum-clad film overhead conductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220106104U true CN220106104U (en) | 2023-11-28 |
Family
ID=88841118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321406729.XU Active CN220106104U (en) | 2023-06-05 | 2023-06-05 | Steel core aluminum-clad film overhead conductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220106104U (en) |
-
2023
- 2023-06-05 CN CN202321406729.XU patent/CN220106104U/en active Active
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