CN215643763U - Heat-insulation type photovoltaic cable - Google Patents
Heat-insulation type photovoltaic cable Download PDFInfo
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- CN215643763U CN215643763U CN202122180771.1U CN202122180771U CN215643763U CN 215643763 U CN215643763 U CN 215643763U CN 202122180771 U CN202122180771 U CN 202122180771U CN 215643763 U CN215643763 U CN 215643763U
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- 238000009413 insulation Methods 0.000 title claims abstract description 28
- 238000009423 ventilation Methods 0.000 claims abstract description 28
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 10
- 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 abstract description 9
- 239000003063 flame retardant Substances 0.000 claims abstract description 9
- 229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 9
- 150000002910 rare earth metals Chemical class 0.000 claims abstract description 9
- 239000004020 conductor Substances 0.000 claims abstract description 6
- 239000000945 filler Substances 0.000 claims abstract description 5
- 239000000178 monomer Substances 0.000 claims abstract description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 229910021389 graphene Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229920013716 polyethylene resin Polymers 0.000 claims description 3
- 229920000098 polyolefin Polymers 0.000 claims description 3
- 239000000779 smoke Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 11
- 238000005452 bending Methods 0.000 abstract description 5
- 230000032683 aging Effects 0.000 abstract description 4
- 238000005260 corrosion Methods 0.000 abstract description 4
- 230000007797 corrosion Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 229910052802 copper Inorganic materials 0.000 description 6
- 239000010949 copper Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
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Abstract
The utility model discloses a heat insulation type photovoltaic cable which comprises a cable core consisting of at least one wire core, wherein the wire core is a special-shaped conductor formed by stranding rare earth aluminum alloy special-shaped monomers, and an insulating layer is wrapped on the outer side of the wire core; the outer side of the cable core is sequentially provided with a flame-retardant layer, a sheath layer, a heat-insulating layer and a ventilation layer; and a filling agent is filled between the wire cores at the inner side of the flame-retardant layer. The heat-insulation photovoltaic cable adopting the structure has the advantages of low cost, light weight, corrosion resistance, easy bending, convenient installation, long service life and the like by adopting the rare earth aluminum alloy to replace the traditional copper core cable, and the cable is provided with the heat-insulation layer and the ventilation layer as the outermost layer of the cable, so that the cable core aging caused by direct sunlight is avoided, and the service life is further prolonged.
Description
Technical Field
The utility model relates to a photovoltaic cable technology, in particular to a heat insulation type photovoltaic cable.
Background
With the development of new energy technology, the photovoltaic market is becoming another market growth point in the wire and cable industry, and the large-scale photovoltaic power station has large component arrangement area and more current collection circuits, so that the demand of cables is gradually increased. At present, the cost proportion of the cable is still larger, 97 percent of the cables produced in China are copper-core cables, the copper consumption of the cables accounts for 50 percent of the copper consumption used in China, but the copper resource in China is deficient at present, the dependence degree of the copper resource in China on the outside is as high as 60 percent in recent years, the shortage of the copper resource can lead to increasing importance by means of import, and the copper price is also increased by "the object is rare and expensive". Therefore, the utility model of a substitute of the copper core cable is particularly important.
Meanwhile, due to the fact that cables used in existing photovoltaic power generation are mostly under the condition of strong illumination, the high-temperature resistance of the cables is poor, internal softening of the cables is easily caused, and then the phenomenon of power connection occurs.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a heat-insulation type photovoltaic cable, which has the advantages of low cost, light weight, corrosion resistance, easy bending, convenient installation, long service life and the like by adopting rare earth aluminum alloy to replace the traditional copper core cable, and avoids cable core aging caused by direct sunlight by arranging a heat-insulation layer and a ventilation layer as the outermost layer of the cable, thereby further prolonging the service life.
In order to achieve the purpose, the utility model provides a heat insulation type photovoltaic cable which comprises a cable core consisting of at least one wire core, wherein the wire core is a special-shaped conductor formed by stranding rare earth aluminum alloy special-shaped monomers, and an insulating layer is wrapped on the outer side of the wire core;
the outer side of the cable core is sequentially provided with a flame-retardant layer, a sheath layer, a heat-insulating layer and a ventilation layer;
and a filling agent is filled between the wire cores at the inner side of the flame-retardant layer.
Preferably, the heat insulation layer is an aluminum-plated film wrapped on the outer side of the sheath layer.
Preferably, the ventilation layer is a ventilation pipe covering the outer side of the heat insulation layer and a framework clamped between the ventilation pipe and the heat insulation layer, and a plurality of ventilation holes are formed in the ventilation pipe.
Preferably, the framework is a framework structure composed of steel wires, and the inner side and the outer side of the framework are respectively bonded with the outer side of the heat insulation layer and the inner side of the ventilation pipe.
Preferably, the material of the sheath layer is low-smoke halogen-free cross-linked polyolefin.
Preferably, the insulating layer is made of graphene modified polyethylene resin.
Preferably, the cable core comprises five core wires which are arranged in central symmetry.
Therefore, the heat-insulation photovoltaic cable adopting the structure has the advantages of low cost, light weight, corrosion resistance, easy bending, convenient installation, long service life and the like by adopting the rare earth aluminum alloy to replace the traditional copper core cable, and the cable is prevented from cable core aging caused by direct sunlight by arranging the heat-insulation layer and the ventilation layer as the outermost layer of the cable, thereby further prolonging the service life.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
Fig. 1 is a schematic structural diagram of a thermal insulation type photovoltaic cable according to an embodiment of the present invention.
Wherein: 1. a wire core; 2. an insulating layer; 3. a flame retardant layer; 4. a sheath layer; 5. a thermal insulation layer; 6. a ventilation layer; 60. a framework; 61. a vent pipe; 610. a vent hole; 7. a filler.
Detailed Description
The present invention will be further described with reference to the accompanying drawings, and it should be noted that the present embodiment is based on the technical solution, and the detailed implementation and the specific operation process are provided, but the protection scope of the present invention is not limited to the present embodiment.
Fig. 1 is a schematic structural diagram of a heat insulation type photovoltaic cable according to an embodiment of the present invention, and as shown in fig. 1, the structure of the present invention includes a cable core composed of at least one wire core 1, where the wire core 1 is a special-shaped conductor formed by twisting rare earth aluminum alloy special-shaped monomers, the rare earth aluminum alloy conductor is made of 8176 aluminum alloy material, and after annealing, the conductor ensures flexibility, bending resistance and creep resistance of the cable, and an insulating layer 2 is wrapped around the wire core 1; the outer side of the cable core is sequentially provided with a flame-retardant layer 3, a sheath layer 4, a heat insulation layer 5 and a ventilation layer 6; and a filling agent 7 is filled between the wire cores 1 at the inner side of the flame-retardant layer 3.
Preferably, the heat insulation layer 5 is an aluminum-plated film wrapped on the outer side of the sheath layer 4, and can effectively reflect sunlight passing through the vent holes 610, so that temperature rise is reduced.
The ventilation layer 6 is a ventilation pipe 61 covering the outside of the thermal insulation layer 5 and a framework 60 clamped between the ventilation pipe 61 and the thermal insulation layer 5, and the ventilation pipe 61 is provided with a plurality of ventilation holes 610. Specifically, skeleton 60 is the support body structure of compriseing the steel wire, both sides outside 60 inside and outside the skeleton respectively with the insulating layer 5 the outside with ventilation pipe 61 inboard bonds, and natural wind can get into through ventilation hole 610, takes away the heat on cable surface, plays the effect that reduces cable surface temperature.
Preferably, the material of the sheath layer 4 is low-smoke halogen-free cross-linked polyolefin, and has the advantages of fire resistance and flame retardance. The insulating layer 2 is made of graphene modified polyethylene resin. The cable core includes five central symmetry arrangements the sinle silk 1, electromagnetic shield is effectual.
Therefore, the heat-insulation photovoltaic cable adopting the structure has the advantages of low cost, light weight, corrosion resistance, easy bending, convenient installation, long service life and the like by adopting the rare earth aluminum alloy to replace the traditional copper core cable, has the advantages of high mechanical strength, oxidation resistance, good thermal stability and the like, and avoids the cable core aging caused by direct sunlight by arranging the heat-insulation layer and the ventilation layer as the outermost layer of the cable, thereby further prolonging the service life.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the utility model without departing from the spirit and scope of the utility model.
Claims (7)
1. The utility model provides a cable for thermal-insulated type photovoltaic, includes the cable core of constituteing by at least a sinle silk, its characterized in that: the wire core is a special-shaped conductor formed by twisting rare earth aluminum alloy special-shaped monomers, and an insulating layer is wrapped on the outer side of the wire core;
the outer side of the cable core is sequentially provided with a flame-retardant layer, a sheath layer, a heat-insulating layer and a ventilation layer;
and a filling agent is filled between the wire cores at the inner side of the flame-retardant layer.
2. The insulated photovoltaic cable of claim 1, wherein: the heat insulation layer is an aluminum-plated film wrapped on the outer side of the sheath layer.
3. The insulated photovoltaic cable of claim 2, wherein: the ventilation layer is arranged for covering the ventilation pipe outside the thermal insulation layer and is clamped with the framework between the ventilation pipe and the thermal insulation layer, and a plurality of ventilation holes are formed in the ventilation pipe.
4. The insulated photovoltaic cable of claim 3, wherein: the framework is a frame body structure composed of steel wires, and the inner side and the outer side of the framework are respectively bonded with the outer side of the heat insulation layer and the inner side of the ventilation pipe.
5. The insulated photovoltaic cable of claim 1, wherein: the material of the sheath layer is low-smoke halogen-free cross-linked polyolefin.
6. The insulated photovoltaic cable of claim 1, wherein: the insulating layer is made of graphene modified polyethylene resin.
7. The insulated photovoltaic cable of claim 1, wherein: the cable core comprises five core wires which are arranged in central symmetry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122180771.1U CN215643763U (en) | 2021-09-09 | 2021-09-09 | Heat-insulation type photovoltaic cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122180771.1U CN215643763U (en) | 2021-09-09 | 2021-09-09 | Heat-insulation type photovoltaic cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215643763U true CN215643763U (en) | 2022-01-25 |
Family
ID=79914538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122180771.1U Active CN215643763U (en) | 2021-09-09 | 2021-09-09 | Heat-insulation type photovoltaic cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215643763U (en) |
-
2021
- 2021-09-09 CN CN202122180771.1U patent/CN215643763U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231019 Address after: 918, Building B, Yonghuayuan, No. 6 Baotian Second Road, Chentian Community, Xixiang Street, Bao'an District, Shenzhen City, Guangdong Province, 518102 Patentee after: Shenzhen Zhongsheng Wanjia Investment Co.,Ltd. Address before: 918, unit 4, building B, yonghuayuan, No.6 Baotian 2nd Road, chentian community, Xixiang street, Bao'an District, Shenzhen City, Guangdong Province Patentee before: Guangdong Xinyi Cable Co.,Ltd. |
|
| TR01 | Transfer of patent right |