CN221057196U - Multifunctional aluminum alloy photovoltaic cable - Google Patents
Multifunctional aluminum alloy photovoltaic cable Download PDFInfo
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- CN221057196U CN221057196U CN202322593636.9U CN202322593636U CN221057196U CN 221057196 U CN221057196 U CN 221057196U CN 202322593636 U CN202322593636 U CN 202322593636U CN 221057196 U CN221057196 U CN 221057196U
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- aluminum alloy
- insulating layer
- layer
- photovoltaic cable
- multifunctional
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- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 58
- 239000004020 conductor Substances 0.000 claims abstract description 29
- 230000003287 optical effect Effects 0.000 claims abstract description 17
- 239000013307 optical fiber Substances 0.000 claims abstract description 17
- 238000001125 extrusion Methods 0.000 claims description 17
- 229920000098 polyolefin Polymers 0.000 claims description 12
- 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 9
- 239000003063 flame retardant Substances 0.000 claims description 9
- 239000000779 smoke Substances 0.000 claims description 9
- 239000011810 insulating material Substances 0.000 claims description 7
- 238000004132 cross linking Methods 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 239000004745 nonwoven fabric Substances 0.000 claims description 3
- 230000002146 bilateral effect Effects 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 10
- 230000008054 signal transmission Effects 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010248 power generation Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a multifunctional aluminum alloy photovoltaic cable, which comprises: the sheath layer, the wrapping layer and the filling layer are sequentially paved from outside to inside, and the electric unit and the optical unit are arranged in the filling layer; the electric unit comprises a first insulating layer and an aluminum alloy conductor arranged in the first insulating layer; the light unit includes a second insulating layer and an optical fiber disposed within the second insulating layer. The photovoltaic power station integrated optical fiber power line integrates a power transmission power line and an optical fiber, solves the problems of connecting wires for electrical equipment and transmitting access signals in a photovoltaic power grid system, and meets the use conditions of various scenes of the photovoltaic power station.
Description
Technical Field
The utility model relates to the technical field of wires and cables, in particular to a multifunctional aluminum alloy photovoltaic cable.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
The photovoltaic cable mainly comprises a series cable between photovoltaic modules at a direct current side in a photovoltaic power generation system, a cross-linked cable between strings and between strings of direct current distribution boxes (combiner boxes), a cable between the direct current distribution boxes and an inverter, and an alternating current application cable for connecting the inverter with a power transmission network, wherein the optical fiber is mainly used for signal transmission and image transmission, and is suitable for an optical fiber access network.
In the existing wiring mode, most of the wiring modes are that an electric unit transmission line and an optical unit are laid separately, the wiring modes are easily affected by low-temperature and humid environments under laying conditions, the service life of a cable is affected, secondary wiring is caused, and potential safety hazards and resource waste exist; moreover, copper conductors are currently used in cables, and copper costs are relatively high, which also results in increased cable costs.
Disclosure of utility model
In order to solve the problems, the utility model provides a multifunctional aluminum alloy photovoltaic cable which integrates a power transmission line and an optical fiber, solves the problems of connection lines and access signal transmission of electrical equipment in a photovoltaic power grid system, and meets the use conditions of various scenes of a photovoltaic power station.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The utility model provides a multifunctional aluminum alloy photovoltaic cable, which comprises: the sheath layer, the wrapping layer and the filling layer are sequentially paved from outside to inside, and the electric unit and the optical unit are arranged in the filling layer; the electric unit comprises a first insulating layer and an aluminum alloy conductor arranged in the first insulating layer; the light unit includes a second insulating layer and an optical fiber disposed within the second insulating layer.
As an alternative embodiment, the electric unit is arranged in the center direction of the cable core of the multifunctional aluminum alloy photovoltaic cable.
As an alternative embodiment, the multifunctional aluminum alloy photovoltaic cable at least comprises two electric units and two optical units, wherein the two electric units are arranged in a bilateral symmetry manner and the two optical units are arranged in a vertical symmetry manner in the filling layer.
Alternatively, the extrusion of the first insulating layer adopts an extrusion mode, the average thickness of the first insulating layer is 0.7mm, the insulation extrusion outer diameter is 4.8+/-0.1 mm, and the extruded insulating layer is arranged outside the aluminum alloy conductor.
As an alternative embodiment, the first insulating layer is made of a 125 ℃ irradiation crosslinking low smoke halogen-free polyolefin flame retardant insulating material.
As an alternative embodiment, the second insulating layer is a polyolefin insulating layer, and a low-smoke halogen-free polyolefin flame-retardant insulating material is adopted.
As an alternative embodiment, the sheath layer adopts 125 ℃ irradiation crosslinking low smoke halogen-free polyolefin flame retardant material.
Alternatively, the aluminum alloy conductors are distributed and laid in a circumferential direction from the center to the outside.
As an alternative embodiment, the aluminum alloy conductor is a 5-class aluminum alloy conductor; the aluminum alloy conductor is formed by drawing an 8030 aluminum alloy rod and twisting 0.30mm annealed round aluminum alloy wires.
As an alternative embodiment, the size of the light unit is (3.0±0.1) × (2.0±0.1) mm.
As an alternative embodiment, the filling layer employs an inorganic paper string filling strip for filling the gap between the light unit and the electrical unit.
As an alternative embodiment, the wrapping layer is a lightweight nonwoven fabric wrapping.
Alternatively, the sheath layer is extruded in an extrusion mode, the average thickness of the sheath layer is 0.8mm, and the extrusion outer diameter of the sheath is 6.7+/-0.2 mm.
Compared with the prior art, the utility model has the beneficial effects that:
The utility model provides a multifunctional aluminum alloy photovoltaic cable, which integrates an electric unit and an optical unit, integrates a transmission power line and an optical fiber, solves the problems of connection wires and access signal transmission of electric equipment in a photovoltaic power grid system, fully satisfies the use conditions of various scenes of a photovoltaic power station, and ensures the electrical safety and the normal service life of the operation of the photovoltaic power generation system.
The utility model provides a multifunctional aluminum alloy photovoltaic cable, the conductor structure of an electric unit adopts an aluminum alloy conductor, the aluminum alloy conductor has excellent electrical conductivity, thermal conductivity and corrosion resistance, and the high-conductivity aluminum alloy conductor is used for replacing a copper conductor, so that copper resources are effectively saved, and the cost of the cable is reduced.
Additional aspects of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model.
Fig. 1 is a schematic structural diagram of a multifunctional aluminum alloy photovoltaic cable according to embodiment 1 of the present utility model;
The optical fiber cable comprises a first insulating layer, a second insulating layer, an optical fiber, an aluminum alloy conductor, a first insulating layer, a wrapping layer, a filling layer, a protective sleeve layer and a cladding layer, wherein the first insulating layer, the second insulating layer, the optical fiber, the aluminum alloy conductor, the first insulating layer, the wrapping layer, the filling layer and the protective sleeve layer are sequentially arranged in sequence.
Detailed Description
The utility model is further described below with reference to the drawings and examples.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the utility model. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present utility model. As used herein, unless the context clearly indicates otherwise, the singular forms also are intended to include the plural forms, and furthermore, it is to be understood that the terms "comprises" and "comprising" and any variations thereof are intended to cover non-exclusive inclusions, such as, for example, processes, methods, systems, products or devices that comprise a series of steps or units, are not necessarily limited to those steps or units that are expressly listed, but may include other steps or units that are not expressly listed or inherent to such processes, methods, products or devices.
Embodiments of the utility model and features of the embodiments may be combined with each other without conflict.
Example 1
The embodiment provides a multifunctional aluminum alloy photovoltaic cable, as shown in fig. 1, including: the sheath layer 7, the wrapping layer 5 and the filling layer 6 are sequentially paved from outside to inside, and an electric unit and an optical unit are arranged in the filling layer 6; the electric unit comprises a first insulating layer 4 and an aluminum alloy conductor 3 arranged in the first insulating layer 4; the light unit comprises a second insulating layer 1 and an optical fiber 2 arranged in the second insulating layer 1.
In this embodiment, the electric unit is a power transmission main wire core, the optical unit is an optical fiber transmission main wire core, the multifunctional aluminum alloy photovoltaic cable at least comprises two electric units and two optical units, the two electric units are symmetrically arranged left and right in the filling layer, the two optical units are symmetrically arranged up and down, and the two electric units are positioned in the central direction of the cable core of the multifunctional aluminum alloy photovoltaic cable.
In this embodiment, the extrusion of the first insulating layer 4 adopts an extrusion mode, the average thickness of the first insulating layer 4 is 0.7mm, the insulation extrusion outer diameter is 4.8±0.1mm, and the extruded insulating layer is outside the aluminum alloy conductor 3.
As an alternative embodiment, the first insulating layer 4 is made of a 125 ℃ irradiation crosslinked low smoke halogen-free polyolefin flame retardant insulating material.
As an alternative embodiment, the insulation core of the electrical unit is colored in red and black.
In this embodiment, a plurality of aluminum alloy conductors 3 are laid inside the first insulating layer 4, and the aluminum alloy conductors 3 are laid in a circumferential direction from the center to the outside.
As an alternative embodiment, the aluminum alloy conductor 3 is a 5-class aluminum alloy conductor; specifically: the aluminum alloy conductor is formed by drawing an 8030 aluminum alloy rod with high conductivity, 84 0.30mm annealed round aluminum alloy wires are stranded, the structure is in line with a 5-class round soft conductor structure, the integral temperature resistance level of the electric unit can reach 125 ℃, and the short-time overload temperature can reach 250 ℃.
The insulating layer of the electric unit is a key structure of the electric performance and the mechanical performance of the power line, and after irradiation, the electric performance and the mechanical performance of the insulating material are improved, so that the electric unit is used for power transmission of cables.
In this embodiment, 2 g.657.a2 fibers are used as the optical fibers 2.
In this embodiment, the second insulating layer 1 is a polyolefin insulating layer, and is formed by extruding a low-smoke halogen-free polyolefin flame-retardant insulating material, so as to protect the optical fiber from damage during cabling.
As an alternative embodiment, the insulating core of the light unit is colored in red and black.
As an alternative embodiment, the size of the optical unit is (3.0±0.1) × (2.0±0.1) mm, which is a key structure for signal transmission, for signal transmission and access.
In the present embodiment, the filling layer 6 is formed byThe inorganic paper rope filling strip is used for filling gaps between the optical units and the electric units, and the flame retardance of the cable core is ensured.
In this embodiment, the wrapping layer 5 is made of light non-woven fabric, so that the flexibility and roundness of the whole cable are ensured.
In the embodiment, the sheath layer 7 is made of a 125 ℃ irradiation crosslinking low-smoke halogen-free polyolefin flame retardant material, has the advantages of high temperature resistance and high strength mechanical property, and is extruded after the optical unit and the electric unit are twisted into a cable;
The extrusion of the sheath layer 7 adopts an extrusion mode, the average thickness of the sheath layer 7 is 0.8mm, and the extrusion outer diameter of the sheath is 6.7+/-0.2 mm; the cable has the advantages of high tensile strength and breaking elongation, excellent ageing resistance, low temperature resistance, flame retardance, acid and alkali corrosion resistance, sunlight resistance and the like, and can be used for long-term stable operation of the cable in a complex installation environment.
The multifunctional aluminum alloy photovoltaic cable provided by the embodiment integrates a power transmission line and an optical fiber, solves the problems of connecting wires and connecting signal transmission of electrical equipment in a photovoltaic power grid system, can fully meet the use conditions of various scenes of a photovoltaic power station, and ensures the electrical safety and the normal service life of the operation of the photovoltaic power generation system.
While the foregoing description of the embodiments of the present utility model has been presented in conjunction with the drawings, it should be understood that it is not intended to limit the scope of the utility model, but rather, it is intended to cover all modifications or variations within the scope of the utility model as defined by the claims of the present utility model.
Claims (10)
1. A multifunctional aluminum alloy photovoltaic cable, comprising: the sheath layer, the wrapping layer and the filling layer are sequentially paved from outside to inside, and the electric unit and the optical unit are arranged in the filling layer; the electric unit comprises a first insulating layer and an aluminum alloy conductor arranged in the first insulating layer; the light unit includes a second insulating layer and an optical fiber disposed within the second insulating layer.
2. A multifunctional aluminum alloy photovoltaic cable according to claim 1,
The electric unit is arranged on the center direction of the cable core of the multifunctional aluminum alloy photovoltaic cable.
3. A multifunctional aluminum alloy photovoltaic cable according to claim 1,
The multifunctional aluminum alloy photovoltaic cable at least comprises two electric units and two optical units, wherein the two electric units are arranged in a filling layer in a bilateral symmetry mode, and the two optical units are arranged in an up-down symmetry mode.
4. A multifunctional aluminum alloy photovoltaic cable according to claim 1,
The extrusion of the first insulating layer adopts an extrusion mode, the average thickness of the first insulating layer is 0.7mm, the insulation extrusion outer diameter is 4.8+/-0.1 mm, and the extruded insulating layer is arranged on the outer side of the aluminum alloy conductor.
5. A multifunctional aluminum alloy photovoltaic cable according to claim 1,
The first insulating layer is made of a 125 ℃ irradiation crosslinking low-smoke halogen-free polyolefin flame-retardant insulating material;
The second insulating layer is a polyolefin insulating layer and is made of a low-smoke halogen-free polyolefin flame-retardant insulating material;
the sheath layer adopts 125 ℃ irradiation crosslinking low-smoke halogen-free polyolefin flame retardant material.
6. A multifunctional aluminum alloy photovoltaic cable according to claim 1,
The aluminum alloy conductors are distributed and paved in the circumferential direction from the center to the outside.
7. A multifunctional aluminum alloy photovoltaic cable according to claim 1,
The aluminum alloy conductor adopts a class 5 aluminum alloy conductor; the aluminum alloy conductor is formed by drawing an 8030 aluminum alloy rod and twisting 0.30mm annealed round aluminum alloy wires.
8. A multifunctional aluminum alloy photovoltaic cable according to claim 1,
The dimensions of the light units were (3.0.+ -. 0.1) × (2.0.+ -. 0.1) mm.
9. A multifunctional aluminum alloy photovoltaic cable according to claim 1,
The filling layer adopts inorganic paper rope filling strips which are used for filling gaps between the optical units and the electric units;
the wrapping layer is made of light non-woven fabrics.
10. A multifunctional aluminum alloy photovoltaic cable according to claim 1,
The extrusion of the sheath layer adopts an extrusion mode, the average thickness of the sheath layer is 0.8mm, and the extrusion outer diameter of the sheath is 6.7+/-0.2 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322593636.9U CN221057196U (en) | 2023-09-22 | 2023-09-22 | Multifunctional aluminum alloy photovoltaic cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322593636.9U CN221057196U (en) | 2023-09-22 | 2023-09-22 | Multifunctional aluminum alloy photovoltaic cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221057196U true CN221057196U (en) | 2024-05-31 |
Family
ID=91223592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322593636.9U Active CN221057196U (en) | 2023-09-22 | 2023-09-22 | Multifunctional aluminum alloy photovoltaic cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221057196U (en) |
-
2023
- 2023-09-22 CN CN202322593636.9U patent/CN221057196U/en active Active
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