CN115132409A - Novel cable for photovoltaic power generation system and preparation method thereof - Google Patents
Novel cable for photovoltaic power generation system and preparation method thereof Download PDFInfo
- Publication number
- CN115132409A CN115132409A CN202210721195.3A CN202210721195A CN115132409A CN 115132409 A CN115132409 A CN 115132409A CN 202210721195 A CN202210721195 A CN 202210721195A CN 115132409 A CN115132409 A CN 115132409A
- Authority
- CN
- China
- Prior art keywords
- aluminum alloy
- layer
- power generation
- insulating layer
- photovoltaic power
- 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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- 238000010248 power generation Methods 0.000 title claims abstract description 21
- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 37
- 239000004020 conductor Substances 0.000 claims abstract description 30
- 238000002955 isolation Methods 0.000 claims abstract description 22
- 238000004519 manufacturing process Methods 0.000 claims abstract description 9
- 239000011248 coating agent Substances 0.000 claims abstract description 8
- 238000000576 coating method Methods 0.000 claims abstract description 8
- 239000000779 smoke Substances 0.000 claims abstract description 8
- 229920000098 polyolefin Polymers 0.000 claims description 12
- 230000005855 radiation Effects 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 7
- 239000011810 insulating material Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 5
- 229910052802 copper Inorganic materials 0.000 abstract description 5
- 239000010949 copper Substances 0.000 abstract 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 abstract description 2
- 239000003063 flame retardant Substances 0.000 abstract description 2
- 239000002253 acid Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/06—Insulating conductors or cables
- H01B13/14—Insulating conductors or cables by extrusion
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/02—Disposition of insulation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Insulated Conductors (AREA)
Abstract
The invention discloses a novel cable for a photovoltaic power generation system and a preparation method thereof, and belongs to the technical field of cables for photovoltaic power generation systems. Including aluminum alloy conductor (1), isolation layer (2), insulating layer (3) and restrictive coating (4), the aluminum alloy conductor (1) outside is provided with isolation layer (2), the isolation layer (2) outside is provided with insulating layer (3), the insulating layer (3) outside is provided with restrictive coating (4). The photovoltaic cable realizes replacement of the copper conductor by the aluminum alloy conductor, greatly reduces production and use costs of the photovoltaic cable, adopts the low-smoke halogen-free wrapping tape as the isolation layer, can protect the aluminum alloy conductor, and improves the flame retardant property of the photovoltaic cable. Compared with the photovoltaic cable adopting a copper conductor under the same performance, the novel cable for the photovoltaic power generation system provided by the invention has the advantage that the production cost can be effectively reduced by 60-80%.
Description
Technical Field
The invention relates to the technical field of cables for photovoltaic power generation systems, in particular to a novel cable for a photovoltaic power generation system and a preparation method thereof.
Background
Along with the rapid development of the photovoltaic power generation industry, the demand of the cable for the photovoltaic power generation system is increased gradually, the photovoltaic cable has the characteristics of high temperature resistance, flame retardance, acid and alkali resistance, weather resistance, ageing resistance and the like, the photovoltaic cable which is applied most widely at present has great dependence on copper metal, the manufacturing cost of the photovoltaic cable is high, the novel photovoltaic cable can be designed to reduce the manufacturing cost through the improvement of the structure and the process, the product characteristics can be met, and therefore the market replacement is achieved.
Disclosure of Invention
The invention aims to provide a novel cable for a photovoltaic power generation system and a preparation method thereof, so that the problems in the background art are solved.
The technical scheme adopted by the invention is as follows:
the utility model provides a novel cable for photovoltaic power generation system, includes aluminum alloy conductor 1, isolation layer 2, insulating layer 3 and restrictive coating 4, 1 outside of aluminum alloy conductor is provided with isolation layer 2, 2 outsides of isolation layer are provided with insulating layer 3, the 3 outsides of insulating layer are provided with restrictive coating 4.
The aluminum alloy conductor 1 is formed by twisting 19 tinned annealed aluminum alloy single wires with the diameter of 0.63 mm.
The isolation layer 2 is a low-smoke halogen-free wrapping tape.
The insulating layer 3 is formed by extruding a radiation cross-linked polyolefin insulating material with the heat resistance of 120 ℃, and the thickness of the insulating layer 3 is not less than 0.7 mm.
The sheath layer 4 is formed by extruding radiation cross-linked polyolefin sheath materials with the temperature of 120 ℃ and the thickness of the sheath layer 4 is not less than 0.8 mm.
The preparation method of the novel cable for the photovoltaic power generation system comprises the following steps of stranding 19 tin-plated annealed aluminum alloy single wires with the diameter of 0.63mm or 84 tin-plated annealed aluminum alloy single wires with the diameter of 0.285mm or 76 tin-plated annealed aluminum alloy single wires with the diameter of 0.3mm to form an aluminum alloy conductor 1; on the basis of the aluminum alloy conductor 1, a low-smoke halogen-free wrapping tape is used for manufacturing an isolation layer 2; extruding a photovoltaic insulating layer 3 with the thickness not less than 0.7mm by using a radiation cross-linked polyolefin insulating material with the heat resistance of 120 ℃ on the basis of the isolating layer 2; extruding a photovoltaic sheath layer 4 by using a radiation cross-linked polyolefin sheath material with the heat resistance of 120 ℃ on the basis of the insulating layer 3; on the basis of extruding the sheath layer, the insulating layer 3 and the sheath layer 4 are physically cross-linked in a high-energy electron irradiation mode.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
the photovoltaic cable realizes replacement of the copper conductor by the aluminum alloy conductor, greatly reduces production and use costs of the photovoltaic cable, adopts the low-smoke halogen-free wrapping tape as the isolation layer, can protect the aluminum alloy conductor, and improves the flame retardant property of the photovoltaic cable. Compared with the photovoltaic cable adopting a copper conductor under the same performance, the novel cable for the photovoltaic power generation system provided by the invention has the advantage that the production cost can be effectively reduced by 60-80%.
Drawings
FIG. 1 is a schematic structural view of the present invention;
shown in the figure: an aluminum alloy conductor 1; an isolation layer 2; an insulating layer 3; a sheath layer 4.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
As shown in fig. 1, the present embodiment provides a novel cable for photovoltaic power generation system, including aluminum alloy conductor 1, isolation layer 2, insulating layer 3 and restrictive coating 4, the isolation layer 2 is provided on the outer side of aluminum alloy conductor 1, insulating layer 3 is provided on the outer side of isolation layer 2, and restrictive coating 4 is provided on the outer side of insulating layer 3.
The aluminum alloy conductor 1 is formed by twisting 19 tinned annealed aluminum alloy single wires with the diameter of 0.63 mm. The conductor resistance is between 4.8 and 5.09 omega/km.
The isolation layer 2 is a low-smoke halogen-free wrapping tape. The isolation layer plays a role in protecting the aluminum alloy conductor.
The insulating layer 3 is formed by extruding a radiation cross-linked polyolefin insulating material with the heat resistance of 120 ℃, and the thickness of the insulating layer 3 is not less than 0.7 mm.
The sheath layer 4 is formed by extruding radiation cross-linked polyolefin sheath materials with the temperature of 120 ℃ and the thickness of the sheath layer 4 is not less than 0.8 mm.
The preparation method of the novel cable for the photovoltaic power generation system comprises the following steps of stranding 19 tinned annealed aluminum alloy single wires with the diameter of 0.63mm to form an aluminum alloy conductor 1; on the basis of the aluminum alloy conductor 1, a low-smoke halogen-free wrapping tape is used for manufacturing an isolation layer 2; extruding a photovoltaic insulating layer 3 with the thickness not less than 0.7mm by using a radiation cross-linked polyolefin insulating material with the heat resistance of 120 ℃ on the basis of the isolating layer 2; extruding a photovoltaic sheath layer 4 by using a radiation cross-linked polyolefin sheath material with the heat resistance of 120 ℃ on the basis of the insulating layer 3; on the basis of extruding the sheath layer, the materials of the insulating layer 3 and the sheath layer 4 are physically crosslinked in a mode of irradiation of high-energy electrons with the irradiation dose of 1.8 MeV. The product can achieve the best irradiation effect, and meets the characteristics of high temperature resistance, flame retardance, acid and alkali resistance, weather resistance, ageing resistance and the like.
Example 2
This example is different from example 1 in that the aluminum alloy conductor 1 was obtained by stranding 84 tin-plated annealed aluminum alloy single wires having a diameter of 0.285 mm.
Example 3
This example is different from example 1 in that the aluminum alloy conductor 1 was obtained by stranding 76 tin-plated annealed aluminum alloy single wires having a diameter of 0.3 mm.
Claims (6)
1. The utility model provides a novel cable for photovoltaic power generation system, includes aluminum alloy conductor (1), isolation layer (2), insulating layer (3) and restrictive coating (4), its characterized in that, the aluminum alloy conductor (1) outside is provided with isolation layer (2), the isolation layer (2) outside is provided with insulating layer (3), the insulating layer (3) outside is provided with restrictive coating (4).
2. The novel cable for the photovoltaic power generation system according to claim 1, wherein: the aluminum alloy conductor (1) is formed by twisting 19 tinned annealed aluminum alloy single wires with the diameter of 0.63 mm.
3. The novel cable for the photovoltaic power generation system according to claim 1, wherein: the isolation layer (2) is a low-smoke halogen-free wrapping tape.
4. The novel cable for the photovoltaic power generation system according to claim 1, wherein: the insulating layer (3) is formed by extruding a radiation cross-linked polyolefin insulating material with the heat resistance of 120 ℃, and the thickness of the insulating layer (3) is not less than 0.7 mm.
5. The novel cable for the photovoltaic power generation system according to claim 1, characterized in that: the sheath layer (4) is formed by extruding a radiation cross-linked polyolefin sheath material with the heat resistance of 120 ℃, and the thickness of the sheath layer (4) is not less than 0.8 mm.
6. The preparation method of the novel cable for the photovoltaic power generation system according to any one of claims 1 to 5, characterized by comprising the following steps: the method comprises the following steps of stranding 19 tin-plated annealed aluminum alloy single wires with the diameter of 0.63mm or 84 tin-plated annealed aluminum alloy single wires with the diameter of 0.285mm or 76 tin-plated annealed aluminum alloy single wires with the diameter of 0.3mm to form an aluminum alloy conductor (1); on the basis of the aluminum alloy conductor (1), manufacturing an isolation layer (2) by using a low-smoke halogen-free wrapping tape; extruding a photovoltaic insulating layer (3) with the thickness not less than 0.7mm by using a radiation cross-linked polyolefin insulating material with the heat resistance of 120 ℃ on the basis of the isolating layer (2); extruding the photovoltaic sheath layer (4) by using radiation cross-linked polyolefin sheath material with the temperature of 120 ℃ resistance on the basis of the insulating layer (3); on the basis of extruding the sheath layer, the insulating layer (3) and the sheath layer (4) are physically cross-linked in a high-energy electron irradiation mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210721195.3A CN115132409A (en) | 2022-06-23 | 2022-06-23 | Novel cable for photovoltaic power generation system and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210721195.3A CN115132409A (en) | 2022-06-23 | 2022-06-23 | Novel cable for photovoltaic power generation system and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115132409A true CN115132409A (en) | 2022-09-30 |
Family
ID=83379555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210721195.3A Pending CN115132409A (en) | 2022-06-23 | 2022-06-23 | Novel cable for photovoltaic power generation system and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115132409A (en) |
-
2022
- 2022-06-23 CN CN202210721195.3A patent/CN115132409A/en active Pending
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20240417 Address after: 737199 No. 2 Jianshe Road, Jinchuan District, Jinchang City, Gansu Province (east of Beijing Road, west of Heya Road, south of Guiyang Road) Applicant after: Jinchuan Group Copper Gui Co.,Ltd. Country or region after: China Address before: 737104 No. 98, Jinchuan Road, Jinchuan District, Jinchang City, Gansu Province Applicant before: JINCHUAN GROUP Co.,Ltd. Country or region before: China |
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| TA01 | Transfer of patent application right |