CN216212400U - Aluminum alloy core fire-resistant armored photovoltaic cable for photovoltaic system - Google Patents
Aluminum alloy core fire-resistant armored photovoltaic cable for photovoltaic system Download PDFInfo
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- CN216212400U CN216212400U CN202122359083.1U CN202122359083U CN216212400U CN 216212400 U CN216212400 U CN 216212400U CN 202122359083 U CN202122359083 U CN 202122359083U CN 216212400 U CN216212400 U CN 216212400U
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Abstract
The utility model discloses an aluminum alloy core fire-resistant armored photovoltaic cable for a photovoltaic system, which sequentially comprises an outer sheath, a fire-retardant non-woven fabric, a galvanized steel strip armor, a high-fire-retardant wrapping tape, an inner sheath and a cabling tape from outside to inside, wherein two wire cores are arranged in the cabling tape, each wire core comprises a conductor, a mica tape is arranged outside the conductor, and an insulating layer is arranged outside the mica tape; the conductor is an AL 8030 series five-class aluminum alloy conductor, the conductor is stranded by a (1+6) unit structure, each unit comprises 12 aluminum alloy wires and a 200D aramid fiber in the center, and the diameter of each aluminum alloy wire is 0.30 mm; the photovoltaic cable breaks through the original structure and technology, has the excellent characteristics of better creep resistance, compression resistance, fire resistance and the like, and ensures that the cable is safer and more reliable in the transmission and use process of a photovoltaic system; the utility model has excellent oxidation resistance and corrosion resistance, and ensures the safety of long-term operation of the product.
Description
Technical Field
The utility model relates to an aluminum alloy core fire-resistant armored photovoltaic cable for a photovoltaic system, which is suitable for the photovoltaic system.
Background
At present, the solution for this functional type of cable: 1. cables are generally made up of one or a group of core wires, the core wire conductor being stranded of a plurality of aluminum conductors; 2. the power transmission of the power cable is designed by adopting an aluminum conductor stranding and pressing stranding conductor structure; 3. the photovoltaic cable for the photovoltaic system meets the standards IEC 62930 and EN50618 and is of a copper core single-core insulating sheath structure. The existing cable has the following defects: 1. the cable is damaged due to external scraping and abrasion, the use scene is limited, and the cable is not durable; 2. the price of the copper conductor is much more expensive than that of the aluminum alloy, and the cost of the aluminum alloy conductor can be greatly reduced; 3. aluminum conductors are inferior in performance to aluminum alloy conductors; 4. the photovoltaic cable for the existing photovoltaic system is usually a single core, is resistant to compression and bending and has insufficient protection degree on an insulating core wire.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing an aluminum alloy core fire-resistant armored photovoltaic cable for a photovoltaic system, which is soft, light in weight and convenient to construct, lay and install.
In order to solve the technical problem, the aluminum alloy core fire-resistant armored photovoltaic cable for the photovoltaic system sequentially comprises an outer sheath, a fire-retardant non-woven fabric, a galvanized steel strip armor, a high-fire-retardant wrapping tape, an inner sheath and a cabling wrapping tape from outside to inside, wherein the cabling wrapping tape is internally provided with two wire cores, each wire core comprises a conductor, a mica tape is arranged outside the conductor, and an insulating layer is arranged outside the mica tape; the conductor is an AL 8030 series five-class aluminum alloy conductor, the conductor is stranded by a unit in the center and six unit structures around, each unit comprises 12 aluminum alloy wires and a 200D aramid fiber in the center, and the diameter of each aluminum alloy wire is 0.30 mm.
The conductor adopts five types of aluminum alloy conductors + aramid fiber structure, guarantees that the aluminum alloy conductor possesses bigger tensile strength under the extremely soft condition. The fire-resistant performance of the conductor and the lining is greatly improved by adding a fireproof flame-retardant material.
The photovoltaic cable breaks through the original structure and technology, has the excellent characteristics of better creep resistance, compression resistance, fire resistance and the like, and ensures that the cable is safer and more reliable in the transmission and use process of a photovoltaic system. The utility model has excellent oxidation resistance and corrosion resistance, and ensures the safety of long-term operation of the product.
Specifically, the outer sheath, the inner sheath and the insulating layer are made of radiation cross-linked polyolefin, and can meet the temperature grade of 125 ℃ (conventional standard of 90 ℃).
The utility model has the technical effects that:
1. the concrete has excellent flexibility, light weight and more convenient and more favorable actual construction, laying and installation;
2. the material has excellent high and low temperature performance, can meet the requirements of-40-125 ℃ when used under extreme environmental temperature difference, and is suitable for various large photovoltaic power stations;
3. the material has excellent high and low temperature performance, is used under extreme environmental temperature difference, and is suitable for various large photovoltaic power stations; the product meets the requirement of environmental protection, has low smoke and no halogen, and follows the development concept of environment-friendly products;
4. the armored double-core aluminum alloy photovoltaic cable can better protect the core wire from being damaged by the outside;
5. mica is wrapped outside the conductor, and a high-flame-retardant wrapping tape is wrapped outside the inner sheath, so that the high-flame-retardant cable has higher fire resistance.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic cross-sectional view of a cable according to the present invention.
Fig. 2 is a schematic diagram of a conductor structure.
Detailed Description
As shown in fig. 1 and 2, the fire-resistant armored photovoltaic cable with the aluminum alloy core for the photovoltaic system sequentially comprises an outer sheath 1, a fire-retardant non-woven fabric 2, a galvanized steel strip armor 3, a high-fire-retardant wrapping tape 4, an inner sheath 5 and a cabling wrapping tape 6 from outside to inside, wherein two wire cores are arranged in the cabling wrapping tape 6 and comprise a conductor 7, a mica tape 8 is arranged outside the conductor 7, an insulating layer 9 is arranged outside the mica tape 8, the material of the outer sheath 1, the inner sheath 5 and the insulating layer 9 is irradiation cross-linked polyolefin, and the temperature grade of 125 ℃ can be met (the conventional standard is 90 ℃).
The conductor 7 is an AL 8030 series five-class aluminum alloy conductor, as shown in fig. 2, the conductor 7 is stranded by a unit in the center and six unit structures around the unit, each unit comprises 12 aluminum alloy wires and a 200D aramid fiber 10 in the center, and the diameter of each aluminum alloy wire is 0.30 mm.
The above embodiments do not limit the present invention in any way, and all technical solutions obtained by means of equivalent substitution or equivalent transformation fall within the protection scope of the present invention.
Claims (2)
1. The aluminum alloy core fire-resistant armored photovoltaic cable for the photovoltaic system is characterized in that an outer sheath (1), a fire-retardant non-woven fabric (2), a galvanized steel strip armor (3), a high-fire-retardant wrapping tape (4), an inner sheath (5) and a cabling wrapping tape (6) are sequentially arranged from outside to inside, two wire cores are arranged in the cabling wrapping tape (6), each wire core comprises a conductor (7), a mica tape (8) is arranged outside each conductor (7), and an insulating layer (9) is arranged outside each mica tape (8); the conductor (7) is an AL 8030 series five-class aluminum alloy conductor, the conductor (7) is stranded by a unit in the center and six unit structures around, each unit comprises 12 aluminum alloy wires and a 200D aramid fiber (10) in the center, and the diameter of each aluminum alloy wire is 0.30 mm.
2. The aluminum alloy core fire-resistant armored photovoltaic cable for photovoltaic systems according to claim 1, wherein: the outer sheath (1), the inner sheath (5) and the insulating layer (9) are made of radiation cross-linked polyolefin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122359083.1U CN216212400U (en) | 2021-09-28 | 2021-09-28 | Aluminum alloy core fire-resistant armored photovoltaic cable for photovoltaic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122359083.1U CN216212400U (en) | 2021-09-28 | 2021-09-28 | Aluminum alloy core fire-resistant armored photovoltaic cable for photovoltaic system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216212400U true CN216212400U (en) | 2022-04-05 |
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ID=80926032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122359083.1U Active CN216212400U (en) | 2021-09-28 | 2021-09-28 | Aluminum alloy core fire-resistant armored photovoltaic cable for photovoltaic system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216212400U (en) |
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2021
- 2021-09-28 CN CN202122359083.1U patent/CN216212400U/en active Active
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