CN220189261U - A flexible aluminum alloy photovoltaic cable for plateau area heavy grade - Google Patents
A flexible aluminum alloy photovoltaic cable for plateau area heavy grade Download PDFInfo
- Publication number
- CN220189261U CN220189261U CN202322486247.6U CN202322486247U CN220189261U CN 220189261 U CN220189261 U CN 220189261U CN 202322486247 U CN202322486247 U CN 202322486247U CN 220189261 U CN220189261 U CN 220189261U
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- CN
- China
- Prior art keywords
- aluminum alloy
- cable
- layer
- flexible aluminum
- cores
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Links
- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 36
- 239000010410 layer Substances 0.000 claims abstract description 47
- 239000004020 conductor Substances 0.000 claims abstract description 20
- 239000011241 protective layer Substances 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims description 6
- 229920000098 polyolefin Polymers 0.000 claims description 6
- 239000000779 smoke Substances 0.000 claims description 5
- 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
- 229910001335 Galvanized steel Inorganic materials 0.000 claims description 3
- 239000004743 Polypropylene Substances 0.000 claims description 3
- 239000003063 flame retardant Substances 0.000 claims description 3
- 239000008397 galvanized steel Substances 0.000 claims description 3
- -1 polypropylene Polymers 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 238000000137 annealing Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 238000005452 bending Methods 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 abstract description 3
- 230000007797 corrosion Effects 0.000 abstract description 3
- 238000005286 illumination Methods 0.000 abstract description 3
- 230000032683 aging Effects 0.000 abstract description 2
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 238000003786 synthesis reaction Methods 0.000 abstract description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Landscapes
- Insulated Conductors (AREA)
Abstract
The utility model discloses a flexible aluminum alloy photovoltaic cable for a high gradient in a plateau region, which comprises a flexible aluminum alloy conductor, wherein an insulating layer is wrapped outside the flexible aluminum alloy conductor; the flexible aluminum alloy conductor and the insulating layer respectively form two insulating wire cores; two insulated wire cores are twisted into a cable core; the gaps between the cable cores and the outer parts of the cable cores are provided with a filling layer and a wrapping belt layer; an inner protective layer is arranged outside the wrapping band layer; the outer side of the inner protective layer is sequentially wrapped with the armor layer and the outer protective layer, the cable is subjected to special advanced processes such as process synthesis and annealing treatment, the conductivity, bending performance, creep resistance and corrosion resistance of the cable are improved, the connection thermal stability of the cable even when the cable is overloaded and overheated for a long time is ensured, the cable has ageing resistance under illumination, has good anti-pulling and shaking capabilities under the condition of vortex airflow, and can be well adapted to various conditions in a plateau area.
Description
Technical Field
The utility model relates to the technical field of cables, in particular to a high-gradient flexible aluminum alloy photovoltaic cable for a plateau region.
Background
With the implementation of national low-carbon strategy, more and more high-grade terrains in the plateau areas are developed and utilized to form photovoltaic power stations, and the current flexible cables have certain conductive performance, bending performance, creep resistance, corrosion resistance and the like, but due to objective reasons of convection weather such as topography problems, high altitude, high temperature difference, large gradient, strong illumination, vortex whirlwind and the like, the current copper core photovoltaic cables cannot adapt to the complex situation of the plateau areas well, and in addition, the copper core cables occupy a large amount of precious copper resources and are also important factors for continuously high price of project construction.
Disclosure of Invention
The utility model aims to provide a flexible aluminum alloy photovoltaic cable for high gradient in a plateau area, so as to solve the problems in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a flexible aluminum alloy photovoltaic cable for high gradient in a plateau region comprises a flexible aluminum alloy conductor, wherein an insulating layer is wrapped outside the flexible aluminum alloy conductor; the flexible aluminum alloy conductor and the insulating layer respectively form two insulating wire cores; the two insulated wire cores are twisted into a cable core; the gaps between the cable cores and the outer surfaces of the cable cores are provided with a filling layer and a wrapping belt layer; an inner protective layer is arranged outside the wrapping band layer; the outside of interior sheath has wrapped gradually armor and oversheath.
Preferably, the flexible aluminum alloy conductor is formed by twisting a plurality of aluminum alloy monofilaments.
Preferably, the insulating layer is made of irradiation crosslinked polyolefin.
Preferably, the filling layer is a polypropylene filling rope; the insulated wire core and the filling rope are wound and bound together by the tape layer.
Preferably, the armor layer is a galvanized steel strip.
Preferably, the outer sheath is extruded from an irradiation type low-smoke halogen-free flame-retardant polyolefin material.
Compared with the prior art, the utility model has the beneficial effects that:
the cable is subjected to special advanced processes such as process synthesis and annealing treatment, the conductivity, bending performance, creep resistance and corrosion resistance of the cable are improved, the connection thermal stability of the cable even when the cable is overloaded and overheated for a long time is ensured, the cable has ageing resistance under illumination, has good anti-pulling and shaking capabilities under the condition of vortex airflow, and can be well adapted to various conditions in a plateau area. Meanwhile, the aluminum alloy conductor is used as a key material for replacing copper materials, is low in price, has high reliability and high safety, greatly saves cost and improves economic benefit.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
in the figure: 1-a flexible aluminum alloy conductor; 2-an insulating layer; 3-a filling layer; 4-bagging layers; 5-an inner sheath; 6-armor layer; 7-an outer sheath.
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.
Referring to fig. 1, the present utility model provides a technical solution: a flexible aluminum alloy photovoltaic cable for high gradient in a plateau region comprises a flexible aluminum alloy conductor 1 which plays a role in power transmission and distribution; an insulating layer 2 is wrapped outside the flexible aluminum alloy conductor 1; the flexible aluminum alloy conductor 1 and the insulating layer 2 respectively form two insulating wire cores; the two insulated wire cores are twisted into a cable core; the gaps between the cable cores and the outer surfaces of the cable cores are provided with a filling layer 3 and a wrapping belt layer 4; the inner protective layer 5 is arranged on the outer side of the wrapping tape layer 4, the inner protective layer 5 is made of low-smoke halogen-free materials, the effect of preventing the adjacent outer layer steel tape from cutting the inner layer insulation is achieved, and a certain waterproof effect is achieved; the outer side of the inner protective layer 5 is sequentially wrapped with an armor layer 6 and an outer protective sleeve 7.
Further, the flexible aluminum alloy conductor 1 is formed by twisting a plurality of aluminum alloy monofilaments.
Furthermore, the insulating layer 2 is made of irradiation crosslinking polyolefin, and has the characteristics of low smoke, no halogen, flame retardance, high insulating resistance, acid and alkali resistance, high and low temperature resistance and the like; the main function is to act as an insulator, impeding the flow of charge to the outside.
Furthermore, the filling layer 3 is a polypropylene filling rope, and gaps between two insulated wire cores are filled and rounded to enable the cable to be cylindrical; the insulating wire core and the filling rope are wound and bound together by the tape layer 4, so that the outer diameter of the cable is more uniform and is not loosened.
Furthermore, the armor layer 6 adopts galvanized steel strips, has the functions of shielding and protecting besides enhancing mechanical protection such as tensile strength and compressive strength, plays an electromagnetic interference resistance role, and is suitable for direct-buried laying.
Furthermore, the outer sheath 7 is extruded by irradiation type low smoke, halogen-free and flame-retardant polyolefin materials, and is used for protecting the inner layer structure from being damaged.
During manufacturing, the flexible aluminum alloy conductor 1 is subjected to annealing and then is subjected to third drawing through first drawing and second drawing, and the insulating layer 2 is extruded and wrapped outside the flexible aluminum alloy conductor 1 after stranding and annealing; the flexible aluminum alloy conductor 1 and the insulating layer 2 form an insulating wire core, two insulating wire cores are twisted into a cable core after irradiation, a filling layer 3 and a wrapping layer 4 are arranged outside a gap between the cable cores and the cable core, an inner protective layer 5 is extruded outside the wrapping layer 4, and an armor layer 6 and an outer protective sleeve 7 are sequentially wrapped outside the inner protective layer 5.
The foregoing description is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art should be able to apply equivalents and modifications according to the technical scheme and the modified concept of the present utility model within the scope of the present utility model.
Claims (6)
1. A flexible aluminum alloy photovoltaic cable for high gradient in plateau areas, which comprises a flexible aluminum alloy conductor (1), and is characterized in that: an insulating layer (2) is wrapped outside the flexible aluminum alloy conductor (1); the flexible aluminum alloy conductor (1) and the insulating layer (2) respectively form two insulating wire cores; the two insulated wire cores are twisted into a cable core; the gaps between the cable cores and the outer parts of the cable cores are provided with a filling layer (3) and a wrapping belt layer (4); an inner protective layer (5) is arranged on the outer side of the wrapping belt layer (4); the outer side of the inner protective layer (5) is sequentially wrapped with an armor layer (6) and an outer sheath (7).
2. A flexible aluminum alloy photovoltaic cable for high grade in plateau areas as claimed in claim 1, wherein: the flexible aluminum alloy conductor (1) is formed by twisting a plurality of aluminum alloy monofilaments.
3. A flexible aluminum alloy photovoltaic cable for high grade in plateau areas as claimed in claim 1, wherein: the insulating layer (2) is made of irradiation crosslinked polyolefin.
4. A flexible aluminum alloy photovoltaic cable for high grade in plateau areas as claimed in claim 1, wherein: the filling layer (3) is a polypropylene filling rope; the insulated wire core and the filling rope are wound and bound together by Bao Daiceng (4).
5. A flexible aluminum alloy photovoltaic cable for high grade in plateau areas as claimed in claim 1, wherein: the armor layer (6) adopts galvanized steel strips.
6. A flexible aluminum alloy photovoltaic cable for high grade in plateau areas as claimed in claim 1, wherein: the outer sheath (7) is formed by extruding an irradiation type low-smoke halogen-free flame-retardant polyolefin material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322486247.6U CN220189261U (en) | 2023-09-13 | 2023-09-13 | A flexible aluminum alloy photovoltaic cable for plateau area heavy grade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322486247.6U CN220189261U (en) | 2023-09-13 | 2023-09-13 | A flexible aluminum alloy photovoltaic cable for plateau area heavy grade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220189261U true CN220189261U (en) | 2023-12-15 |
Family
ID=89103962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322486247.6U Active CN220189261U (en) | 2023-09-13 | 2023-09-13 | A flexible aluminum alloy photovoltaic cable for plateau area heavy grade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220189261U (en) |
-
2023
- 2023-09-13 CN CN202322486247.6U patent/CN220189261U/en active Active
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