CN220420289U - Photovoltaic cable suitable for salt fog environment - Google Patents
Photovoltaic cable suitable for salt fog environment Download PDFInfo
- Publication number
- CN220420289U CN220420289U CN202320390776.3U CN202320390776U CN220420289U CN 220420289 U CN220420289 U CN 220420289U CN 202320390776 U CN202320390776 U CN 202320390776U CN 220420289 U CN220420289 U CN 220420289U
- Authority
- CN
- China
- Prior art keywords
- layer
- silica gel
- gel heat
- heat conduction
- rubber layer
- Prior art date
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- 150000003839 salts Chemical class 0.000 title claims abstract description 26
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 46
- 239000000741 silica gel Substances 0.000 claims abstract description 46
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 46
- 229920001971 elastomer Polymers 0.000 claims abstract description 35
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 27
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 27
- 229910052751 metal Inorganic materials 0.000 claims abstract description 25
- 239000002184 metal Substances 0.000 claims abstract description 25
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 22
- 230000007797 corrosion Effects 0.000 claims abstract description 19
- 238000005260 corrosion Methods 0.000 claims abstract description 19
- 239000000843 powder Substances 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000007921 spray Substances 0.000 claims abstract description 16
- 230000000903 blocking effect Effects 0.000 claims abstract description 15
- 229920001903 high density polyethylene Polymers 0.000 claims abstract description 13
- 239000004700 high-density polyethylene Substances 0.000 claims abstract description 13
- 229910052802 copper Inorganic materials 0.000 claims description 13
- 239000010949 copper Substances 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 9
- 239000004020 conductor Substances 0.000 claims description 8
- 239000004411 aluminium Substances 0.000 claims description 7
- 229920002943 EPDM rubber Polymers 0.000 claims description 6
- 230000003139 buffering effect Effects 0.000 claims description 6
- 238000012856 packing Methods 0.000 claims description 5
- 239000012634 fragment Substances 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000002265 prevention 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
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 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
Abstract
The utility model discloses a photovoltaic cable suitable for a salt spray environment, which comprises a copper wire, a first silica gel heat conducting layer, an insulating rubber layer, a second silica gel heat conducting layer, a buffer elastic sheet, a metal net layer, aluminum stranded wires, a water blocking powder layer, insulating filling, a wear-resistant corrosion rubber layer and an HDPE outer sheath, wherein the first silica gel heat conducting layer is arranged on the copper wire and wrapped outside the copper wire, the insulating rubber layer is arranged on the outer wall of the first silica gel heat conducting layer, the second silica gel heat conducting layer is arranged on the insulating rubber layer, the metal net layer is arranged on the outer wall of the second silica gel heat conducting layer, the aluminum stranded wires are arranged outside the metal net layer, the water blocking powder layer is wrapped on the outer wall of the aluminum stranded wires, the insulating filling is filled between the water blocking powder layer and the metal net layer, the wear-resistant corrosion rubber layer is arranged outside the water blocking powder layer, and the HDPE outer sheath is arranged outside the wear-resistant corrosion rubber layer. The utility model belongs to the technical field of photovoltaic cables, and particularly relates to a photovoltaic cable which has long service life and good safety effect and is suitable for a salt spray environment.
Description
Technical Field
The utility model belongs to the technical field of photovoltaic cables, and particularly relates to a photovoltaic cable suitable for a salt spray environment.
Background
The photovoltaic cable is used for electric energy transmission of a direct current side circuit in a solar photovoltaic power station system, and generally needs to have the characteristics of high and low temperature resistance, ultraviolet radiation resistance, water resistance, salt fog resistance, weak acid and alkali resistance, aging resistance, good flame retardance and the like, wherein the photovoltaic cable with good salt fog resistance is mostly used for power connection of ocean photovoltaic power generation, has complex use environment and is difficult to replace once laid, the high requirements on various performances of the photovoltaic cable are provided, the existing salt fog resistance photovoltaic cable mostly adopts a structure of a multi-layer protective jacket, the improvement of various performances is realized, but the performances such as tensile resistance and torsion resistance are low, the risk of breakage still exists when the cable is subjected to external force, and the transmission of the broken line is stopped once the transmission of the broken line is stopped, so that the whole line is short-circuited or broken, and therefore, the photovoltaic cable suitable for salt fog environments is provided to solve the problems.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides a photovoltaic cable suitable for a salt spray environment, and the problems that the existing salt spray prevention cable in the current market is easy to damage under the action of external force and the whole circuit is easy to damage after being damaged are effectively solved.
The technical scheme adopted by the utility model is as follows: the utility model provides a photovoltaic cable suitable for a salt spray environment, which comprises a copper wire, a first silica gel heat conducting layer, an insulating rubber layer, a second silica gel heat conducting layer, a buffer spring piece, a metal net layer, an aluminum stranded wire, a water blocking powder layer, insulating filling, a wear-resistant corrosion rubber layer and an HDPE outer sheath, wherein the first silica gel heat conducting layer is arranged on the copper wire and wrapped outside the copper wire, the insulating rubber layer is arranged on the outer wall of the first silica gel heat conducting layer, the second silica gel heat conducting layer is arranged on the insulating rubber layer, the buffer spring piece is uniformly distributed in the second silica gel heat conducting layer along the circumferential direction of the insulating rubber layer, the metal net layer is arranged on the outer wall of the second silica gel heat conducting layer, the aluminum stranded wire is arranged outside the metal net layer, the water blocking powder layer is wrapped on the outer wall of the aluminum stranded wire, insulating filling is filled between the water blocking powder layer and the metal net layer, the insulating filling is wrapped on the outer wall of the aluminum stranded wire, the wear-resistant corrosion rubber layer is arranged outside the water blocking powder layer, and the HDPE outer sheath is arranged outside the wear-resistant corrosion rubber layer.
Further, the aluminum stranded wire is arranged between the water-blocking powder layer and the metal mesh layer, and the buffer elastic sheet is arranged between the metal mesh layer and the insulating rubber layer.
Preferably, the section of the buffering elastic sheet is arranged in an elliptical shape.
Further, the axis of copper line and HDPE oversheath is parallel arrangement, the aluminium stranded conductor is spiral stranded conductor and arranges in insulating packing.
Wherein, the copper line is equipped with a plurality of groups and equipartition on silica gel heat conduction layer one, the aluminium twisted wire is equipped with a plurality of groups.
Preferably, the first silica gel heat conduction layer and the second silica gel heat conduction layer are arranged by adopting silica gel materials, the silica gel materials have good heat conductivity and insulativity, and the buffering elastic sheet is arranged by adopting PVC materials.
Preferably, the wear-resistant corrosion-resistant rubber layer is made of ethylene propylene diene monomer rubber, and the ethylene propylene diene monomer rubber has good corrosion resistance.
The beneficial effects obtained by the utility model by adopting the structure are as follows: the photovoltaic cable suitable for salt fog environment, provided by the scheme, effectively solves the problem that the existing salt fog prevention cable in the current market is easy to damage due to external force and easy to cause damage of the whole circuit, can be used when being damaged outside while improving various mechanical properties and prolonging the service life of the photovoltaic cable, and meets the use requirements of special equipment, in particular to the photovoltaic cable with long service life and good safety effect suitable for salt fog environment.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a photovoltaic cable suitable for salt spray environment;
fig. 2 is a schematic cross-sectional structure of a photovoltaic cable suitable for salt spray environment according to the present utility model.
1, copper wires, 2, a first silica gel heat conduction layer, 3, an insulating rubber layer, 4, a second silica gel heat conduction layer, 5, a buffer spring plate, 6, a metal net layer, 7, an aluminum stranded wire, 8, a water-blocking powder layer, 9, insulating filling, 10, a corrosion-resistant rubber layer, 11 and an HDPE outer sheath.
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model; all other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1 and 2, the photovoltaic cable suitable for salt spray environment provided by the utility model comprises a copper wire 1, a first silica gel heat conduction layer 2, an insulating rubber layer 3, a second silica gel heat conduction layer 4, a buffer elastic sheet 5, a metal net layer 6, an aluminum stranded wire 7, a water-blocking powder layer 8, an insulating filling 9, a wear-resistant corrosion rubber layer 10 and an HDPE outer sheath 11, wherein the first silica gel heat conduction layer 2 is arranged on the copper wire 1 and wraps the copper wire 1, the insulating rubber layer 3 is arranged on the outer wall of the first silica gel heat conduction layer 2, the second silica gel heat conduction layer 4 is arranged on the insulating rubber layer 3, the buffer elastic sheet 5 is uniformly distributed in the second silica gel heat conduction layer 4 along the circumferential direction of the insulating rubber layer 3, the metal net layer 6 is arranged on the outer wall of the second silica gel heat conduction layer 4, the aluminum stranded wire 7 is arranged outside the metal net layer 6, the water-blocking powder layer 8 is wrapped on the outer wall of the aluminum stranded wire 7, the insulating filling 9 is filled between the insulating filling 9 and the metal net layer 6, the wear-resistant corrosion rubber layer 10 is arranged on the outer wall of the aluminum stranded wire 7, and the wear-resistant corrosion rubber layer 10 is wrapped on the outer wear-resistant HDPE layer 11.
As shown in fig. 1 and 2, the aluminum stranded wires 7 are arranged between the water-blocking powder layer 8 and the metal mesh layer 6, and the buffer elastic sheet 5 is arranged between the metal mesh layer 6 and the insulating rubber layer 3; the section of the buffer spring piece 5 is elliptical.
The copper wires 1 and the HDPE outer sheath 11 are arranged in parallel along the axis, and the aluminum stranded wires 7 are spirally stranded wires arranged in the insulating filling 9; the copper wires 1 are provided with a plurality of groups and are uniformly distributed on the silica gel heat conduction layer I2, and the aluminum stranded wires 7 are provided with a plurality of groups.
Preferably, the first silica gel heat conducting layer 2 and the second silica gel heat conducting layer 4 are made of silica gel materials, the silica gel materials have good heat conductivity and insulativity, and the buffer spring piece 5 is made of PVC materials; the wear-resistant corrosion-resistant rubber layer 10 is made of ethylene propylene diene monomer rubber, and the ethylene propylene diene monomer rubber has good corrosion resistance.
When the solar photovoltaic cable is specifically used, heat generated when the copper wires 1 are electrified is led out to the outside by the aid of the first silica gel heat conducting layer 2 and the second silica gel heat conducting layer 4, the fact that the temperature of the cable is too high due to the fact that the heat is gathered at the inner center of the cable is avoided, the buffer spring 5 can buffer and release the force applied to the cable to the outside, damage to the central copper wires 1 is avoided, the HDPE outer sheath 11 is used for realizing radial water blocking of the cable, the longitudinal water blocking is achieved, the water blocking powder layer 8 is expanded after meeting water, the cable is protected, the aluminum stranded wires 7 are used as an external power transmission line, when the aluminum stranded wires 7 are damaged, the copper wires 1 can be used for continuously maintaining power transmission, the buffer spring 5 can increase the whole ductility and tensile capacity of the cable, and damage to the cable due to sea wave surge is avoided, and the above is the use process of the whole photovoltaic cable suitable for salt spray environments.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.
Claims (7)
1. The utility model provides a photovoltaic cable suitable for salt fog environment which characterized in that: including copper line, silica gel heat conduction layer one, insulating rubber layer, silica gel heat conduction layer two, buffering shell fragment, metal mesh layer, aluminium stranded conductor, water blocking powder layer, insulating packing, wear-resisting corrosion rubber layer and HDPE oversheath, silica gel heat conduction layer one is located on the copper line and is wrapped up outside the copper line, insulating rubber layer locates on the outer wall of silica gel heat conduction layer, silica gel heat conduction layer two locates on the insulating rubber layer, buffering shell fragment is evenly distributed in silica gel heat conduction layer two along insulating rubber layer's circumferencial direction, the outer wall of silica gel heat conduction layer two is located to the metal mesh layer, the metal mesh layer is located outside the metal mesh layer, the aluminium stranded conductor is located outside the metal mesh layer, water blocking powder layer wraps up outside the aluminium stranded conductor, water blocking powder layer and metal mesh layer are filled with insulating packing, insulating packing wraps up outside the aluminium stranded conductor, wear-resisting corrosion rubber layer locates outside the water blocking powder layer, the wear-resisting corrosion rubber layer is located to the HDPE oversheath.
2. A photovoltaic cable suitable for salt spray environments according to claim 1, characterized in that: the aluminum stranded wires are arranged between the water-blocking powder layer and the metal mesh layer, and the buffer elastic sheet is arranged between the metal mesh layer and the insulating rubber layer.
3. A photovoltaic cable suitable for salt spray environments according to claim 2, characterized in that: the section of the buffering elastic sheet is in an elliptical shape.
4. A photovoltaic cable suitable for use in a salt spray environment as claimed in claim 3, characterized in that: the axis of copper line and HDPE oversheath is parallel arrangement, the aluminium stranded conductor is spiral stranded conductor and arranges in insulating packing.
5. A photovoltaic cable suitable for use in a salt spray environment as claimed in claim 4, characterized in that: the copper wires are provided with a plurality of groups and are uniformly distributed on the first silica gel heat conduction layer, and the aluminum stranded wires are provided with a plurality of groups.
6. A photovoltaic cable suitable for salt spray environments as claimed in claim 5, characterized in that: the first silica gel heat conduction layer and the second silica gel heat conduction layer are arranged by adopting silica gel materials, the silica gel materials have good heat conductivity and insulativity, and the buffering elastic sheet is arranged by adopting PVC materials.
7. A photovoltaic cable suitable for salt spray environments as claimed in claim 6, characterized in that: the wear-resistant corrosion-resistant rubber layer is made of ethylene propylene diene monomer rubber, and the ethylene propylene diene monomer rubber has good corrosion resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320390776.3U CN220420289U (en) | 2023-03-06 | 2023-03-06 | Photovoltaic cable suitable for salt fog environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320390776.3U CN220420289U (en) | 2023-03-06 | 2023-03-06 | Photovoltaic cable suitable for salt fog environment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220420289U true CN220420289U (en) | 2024-01-30 |
Family
ID=89642009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320390776.3U Active CN220420289U (en) | 2023-03-06 | 2023-03-06 | Photovoltaic cable suitable for salt fog environment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220420289U (en) |
-
2023
- 2023-03-06 CN CN202320390776.3U patent/CN220420289U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |