CN220984208U - Novel offshore photovoltaic power generation cable - Google Patents
Novel offshore photovoltaic power generation cable Download PDFInfo
- Publication number
- CN220984208U CN220984208U CN202323064315.6U CN202323064315U CN220984208U CN 220984208 U CN220984208 U CN 220984208U CN 202323064315 U CN202323064315 U CN 202323064315U CN 220984208 U CN220984208 U CN 220984208U
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- CN
- China
- Prior art keywords
- layer
- cable
- power generation
- photovoltaic power
- core wires
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- 238000010248 power generation Methods 0.000 title claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 16
- 238000005253 cladding Methods 0.000 claims abstract description 14
- 239000002184 metal Substances 0.000 claims abstract description 13
- 229910052751 metal Inorganic materials 0.000 claims abstract description 13
- 239000004020 conductor Substances 0.000 claims abstract description 11
- 238000000465 moulding Methods 0.000 claims abstract description 3
- 239000000945 filler Substances 0.000 claims description 10
- 229920003020 cross-linked polyethylene Polymers 0.000 claims description 6
- 239000004703 cross-linked polyethylene Substances 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910001335 Galvanized steel Inorganic materials 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000008397 galvanized steel Substances 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000000779 smoke Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000006750 UV protection Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000013535 sea water Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000004576 sand Substances 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 provides a novel offshore photovoltaic power generation cable which can adapt to the offshore severe environment and can stably and reliably transmit and supply power for a long time. It comprises the following steps: n core wires, each core wire comprises a central conductor and a cladding insulating layer, wherein N is a natural number greater than or equal to 2; a tape layer; an inner sheath; an armor layer; an outer sheath; n core wires are stranded to form a central area, a filling material is filled in a cavity of the central area, N core wires are stranded and are filled with an equivalent outer circle of the filling material, a wrapping band layer is wrapped outside an equivalent outer circle of the filling material, an inner sheath is wrapped outside the wrapping band layer, an armor layer is wrapped outside the inner sheath, the armor layer is a metal armor layer, and the outer sheath is wrapped outside the armor layer; the minimum allowable bend radius of the integrated cable after molding is 12 times the finished cable outer diameter.
Description
Technical Field
The utility model relates to the technical field of cable structures, in particular to a novel offshore photovoltaic power generation cable.
Background
With the rise of renewable energy sources, offshore photovoltaic power generation is an important clean energy technology and is mainly used for offshore photovoltaic power generation equipment. With the rise of offshore photovoltaic power generation technology, offshore photovoltaic construction becomes a key link for realizing a clean energy source target. Most of the cables are mostly arranged in conventional laying methods such as overhead and buried, but the conventional laying methods are used as a severe environment such as ocean, so that the performance requirements of the cables are obviously improved. In order to cope with these severe environments, it is necessary to design corresponding photovoltaic cables, which are susceptible to corrosion due to the annual exposure to salt water environments, so that the supporting structure, cables and connectors all need to have good corrosion resistance to ensure long-term stable operation. The existing cable can not meet the requirements, so that a special offshore photovoltaic power generation cable needs to be developed.
Disclosure of Invention
Aiming at the problems, the utility model provides a novel offshore photovoltaic power generation cable which can adapt to the offshore severe environment and can stably and reliably transmit and supply power for a long time.
Novel marine photovoltaic power generation cable, its characterized in that includes:
n core wires, each core wire comprises a central conductor and a cladding insulating layer, wherein N is a natural number greater than or equal to 2;
a tape layer;
An inner sheath;
An armor layer;
An outer sheath;
N core wires are stranded to form a central area, a filling material is filled in a cavity of the central area, N core wires are stranded and are filled with an equivalent outer circle of the filling material, a wrapping band layer is wrapped outside an equivalent outer circle of the filling material, an inner sheath is wrapped outside the wrapping band layer, an armor layer is wrapped outside the inner sheath, the armor layer is a metal armor layer, and the outer sheath is wrapped outside the armor layer;
The minimum allowable bend radius of the integrated cable after molding is 12 times the finished cable outer diameter.
It is further characterized by:
the central conductor is made of tin-plated copper;
The cladding insulating layer is made of crosslinked polyethylene for insulation, and is tightly extruded on the central conductor;
The N core wires are stranded left to form a cable, and filler is filled in the gaps between the core wires and the periphery of the central area, wherein the filler is made of non-hygroscopic materials;
the wrapping belt layer is specifically an aluminum-plastic composite belt;
The armor layer is specifically formed by wrapping galvanized steel strips in a double-layer gap, and the gap back outer metal strip of the inner metal strip is covered by the part close to the middle, wherein the gap rate is not more than 50% of the width of the metal strip;
The outer sheath is made of crosslinked polyethylene or halogen-free low-smoke material.
After the utility model is adopted, the structure is relatively simple, the performances of water resistance, UV resistance, seawater resistance, sea bird excrement corrosion and aging resistance and the like are excellent, the marine application is convenient, the process is simple, the cost is low, and the production quality is high. The standard rated temperature of the cable can reach minus 40-125 ℃, the rated voltage can reach 1500VDC, the finished cable is subjected to alternating current of 50HZ, the test voltage is 6.5kV,5min insulation is not broken down, the steel tape armored cable can be directly laid on the sea, and can bear certain mechanical pressure and other external force effects (including severe weather such as sea storm, high waves and the like), and the safe service life of the product is more than or equal to 10 years.
Drawings
FIG. 1 is a schematic cross-sectional view of an embodiment of the present utility model;
The names corresponding to the serial numbers in the figures are as follows:
Core wire 10, central conductor 11, cladding insulating layer 12, tape layer 20, inner sheath 30, armor layer 40, outer sheath 50, and filler 60
Detailed Description
Novel marine photovoltaic power generation cable, see fig. 1, comprising: n core wires 10 (N is a natural number equal to or greater than 2), a tape layer 20, an inner sheath 30, an armor layer 40, and an outer sheath 50.
In the specific embodiment, see fig. 1, n has a value of 4; each core wire 10 includes a center conductor 11, a cladding insulating layer 12;
4 core wires 10 are twisted in a left-hand way to form a central area, a cavity of the central area is filled with a filler 60, the filler 60 is made of a non-hygroscopic material, and after the filler is filled in place, the filler is tightly filled, round and free of gaps; the equivalent outer circle of the 4 core wires 10 stranded and filled with the filler 60 is coated with the belting layer 20, the outer periphery of the belting layer 20 is coated with the inner sheath 30, and the belting layer 20 and the inner sheath 30 are combined to form a comprehensive waterproof layer;
The outer periphery of the inner sheath 30 is coated with an armor layer 40, the armor layer 40 is a metal armor layer, and the outer sheath 50 is coated on the outer periphery of the armor layer 40;
The minimum allowable bending radius of the integrated cable is 12 times of the outer diameter D of the finished cable after the integrated cable is molded; and a final cable outside diameter D of 10 times the minimum bend radius near the junction box and the terminating cable.
In a preferred embodiment, the central conductor 11 is made of tin-plated copper;
The cladding insulating layer 12 is made of crosslinked polyethylene for insulation, the cladding insulating layer 12 is tightly extruded on the central conductor 11, the surface of the cladding insulating layer 12 is smooth and flat, the color and luster are uniform, bubbles and sand hole defects which are visible on the cross section are avoided, and the thickness of the thinnest point of the cladding insulating layer 12 is not less than 90-0.1 mm of the nominal thickness;
The wrapping band layer 20 is specifically an aluminum-plastic composite band; the armor layer 40 is specifically a galvanized steel strip double-layer gap wrapping, and the gap back outer layer metal strip of the inner layer metal strip is covered by a part close to the middle, wherein the gap rate is not more than 50% of the width of the metal strip, and the wrapping is smooth and electrically continuous;
The material of the outer sheath 50 is cross-linked polyethylene or halogen-free low smoke material, the outer sheath 50 is generally black, and other colors can be determined according to the agreement between the supply and the demand so as to adapt to the specific conditions of the cable use.
The cladding insulating layer, the inner sheath and the outer sheath of the cable are all sleeved and tightly extruded and installed, and are easy to strip without damaging the inner layer structure, and the surfaces of the cladding insulating layer, the inner sheath and the outer sheath of the cable are smooth and uniform in color.
The cable has the advantages of relatively simple structure, excellent performances of water resistance, UV resistance, seawater resistance, sea bird excrement resistance, aging resistance and the like, convenient application and use on the sea, simple process, low cost and high production quality. The standard rated temperature of the cable can reach minus 40-125 ℃, the rated voltage can reach 1500VDC, the finished cable is subjected to alternating current of 50HZ, the test voltage is 6.5kV,5min insulation is not broken down, the steel tape armored cable can be directly laid on the sea, and can bear certain mechanical pressure and other external force effects (including severe weather such as sea storm, high waves and the like), and the safe service life of the product is more than or equal to 10 years.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (7)
1. Novel marine photovoltaic power generation cable, its characterized in that includes:
n core wires, each core wire comprises a central conductor and a cladding insulating layer, wherein N is a natural number greater than or equal to 2;
a tape layer;
An inner sheath;
An armor layer;
An outer sheath;
N core wires are stranded to form a central area, a filling material is filled in a cavity of the central area, N core wires are stranded and are filled with an equivalent outer circle of the filling material, a wrapping band layer is wrapped outside an equivalent outer circle of the filling material, an inner sheath is wrapped outside the wrapping band layer, an armor layer is wrapped outside the inner sheath, the armor layer is a metal armor layer, and the outer sheath is wrapped outside the armor layer;
The minimum allowable bend radius of the integrated cable after molding is 12 times the finished cable outer diameter.
2. The novel offshore photovoltaic power generation cable of claim 1, wherein: the center conductor is made of tin-plated copper.
3. The novel offshore photovoltaic power generation cable of claim 1, wherein: the cladding insulating layer is crosslinked polyethylene insulation, and the cladding insulating layer is tightly extruded on the central conductor.
4. The novel offshore photovoltaic power generation cable of claim 1, wherein: the N core wires are stranded left to form a cable, and filler is filled in the gaps between the core wires and the periphery of the central area, wherein the filler is made of non-hygroscopic materials.
5. The novel offshore photovoltaic power generation cable of claim 1, wherein: the wrapping band layer is specifically an aluminum-plastic composite band.
6. The novel offshore photovoltaic power generation cable of claim 1, wherein the armor layer is specifically a galvanized steel strip double-layer gap wrap, and the gap back outer layer metal strip of the inner metal strip is covered by a part close to the middle, and the gap rate is not more than 50% of the width of the metal strip.
7. The novel offshore photovoltaic power generation cable of claim 1, wherein: the outer sheath is made of crosslinked polyethylene or halogen-free low-smoke material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323064315.6U CN220984208U (en) | 2023-11-14 | 2023-11-14 | Novel offshore photovoltaic power generation cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323064315.6U CN220984208U (en) | 2023-11-14 | 2023-11-14 | Novel offshore photovoltaic power generation cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220984208U true CN220984208U (en) | 2024-05-17 |
Family
ID=91037967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323064315.6U Active CN220984208U (en) | 2023-11-14 | 2023-11-14 | Novel offshore photovoltaic power generation cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220984208U (en) |
-
2023
- 2023-11-14 CN CN202323064315.6U patent/CN220984208U/en active Active
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