CN115211028A - Easy-to-clean solar panel and manufacturing method thereof - Google Patents
Easy-to-clean solar panel and manufacturing method thereof Download PDFInfo
- Publication number
- CN115211028A CN115211028A CN202180018130.6A CN202180018130A CN115211028A CN 115211028 A CN115211028 A CN 115211028A CN 202180018130 A CN202180018130 A CN 202180018130A CN 115211028 A CN115211028 A CN 115211028A
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- CN
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- Prior art keywords
- layers
- solar panel
- face
- panel according
- solar
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- 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.)
- Pending
Links
- 230000003670 easy-to-clean Effects 0.000 title claims abstract description 7
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- 230000008878 coupling Effects 0.000 claims description 23
- 238000010168 coupling process Methods 0.000 claims description 23
- 238000005859 coupling reaction Methods 0.000 claims description 23
- 239000000853 adhesive Substances 0.000 claims description 13
- 230000001070 adhesive effect Effects 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 8
- -1 polyethylene Polymers 0.000 claims description 6
- 239000003292 glue Substances 0.000 claims description 5
- 239000004925 Acrylic resin Substances 0.000 claims description 4
- 229920000178 Acrylic resin Polymers 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 2
- 239000004743 Polypropylene Substances 0.000 claims description 2
- 239000005038 ethylene vinyl acetate Substances 0.000 claims description 2
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 2
- 229920000515 polycarbonate Polymers 0.000 claims description 2
- 239000004417 polycarbonate Substances 0.000 claims description 2
- 229920000728 polyester Polymers 0.000 claims description 2
- 229920000573 polyethylene Polymers 0.000 claims description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 2
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 2
- 229920001155 polypropylene Polymers 0.000 claims description 2
- 230000000750 progressive effect Effects 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 41
- 238000004140 cleaning Methods 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000000428 dust Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 239000006059 cover glass Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 125000001475 halogen functional group Chemical group 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/10—Cleaning arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S40/00—Safety or protection arrangements of solar heat collectors; Preventing malfunction of solar heat collectors
- F24S40/20—Cleaning; Removing snow
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/042—PV modules or arrays of single PV cells
- H01L31/048—Encapsulation of modules
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S25/00—Arrangement of stationary mountings or supports for solar heat collector modules
- F24S25/20—Peripheral frames for modules
-
- 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
- Y02E10/40—Solar thermal energy, e.g. solar towers
-
- 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
Abstract
An easy-to-clean solar panel comprises a substantially planar support structure (10) comprising at least one cover surface (11) having at least one portion (12) exposed to solar rays. The solar panel comprises a plurality of laminate layers (20) extending over the portion (12) of the cover surface (11). The plurality of layers (20) comprises a face (21) removably coupled with the portion (12) and a progressively opposing face (22) susceptible to becoming dirty upon exposure to the solar rays. The layers of the plurality of layers (20) are optically transparent, allowing the passage of the solar rays, and are removably coupled to each other, allowing the progressive removal of the dirtied layers, facilitating the exposure of the portion (12) of the covering surface (11) to the solar rays.
Description
Technical Field
The present invention relates generally to the field of solar panels, and more particularly to an easy-to-clean solar panel and a method of manufacturing the same.
Definition of
In this document, the expression "optically transparent" or derivative words with respect to a material are used to indicate the ability of such a material to be passed through by light without it being diffused or the ability of such a material to be passed through by light in a diffusive manner. Thus, in this document, optical transparency refers to both transparency and translucency.
In the present document, the expression "solar panel" or derivatives refers to both photovoltaic modules (that is to say photovoltaic devices consisting of photovoltaic cells capable of converting solar energy into electrical energy) and solar thermal panels (that is to say devices for converting solar energy into thermal energy for the production of hot water).
In this document, the expression "exposure to solar rays" or derivatives relating to the target means exposure to solar rays, possibly with interposition of one or more optically transparent layers.
In this document, the expression "directly exposed to solar rays" or a derivative related to the target means that it is directly exposed to solar rays without interposing one or more optically transparent layers.
Background
In the case of photovoltaic panels, it is known to use solar panels to produce electrical energy, or in the case of solar thermal panels, to produce hot water.
It is known that the presence of dust, smudges, leaves and various residues, such as for example animal excrements, in particular bird droppings, can deteriorate the performance of the solar panel, provided that it reduces its irradiated surface area.
Therefore, the generation of electric energy or thermal energy is hindered.
To overcome this problem, they are cleaned for application to the plate using a robot or manually.
For example, a rotary pressure brush and hot water, preferably demineralized water, are used.
However, such cleaning is particularly time consuming.
Furthermore, an antistatic detergent is used during the aforementioned cleaning, which forms a protective layer capable of protecting the board from stains.
However, such layers can produce halos on the plates and their antistatic action is of limited duration, thus requiring frequent resorting to manual cleaning or cleaning using robots.
In addition, panels installed near the sea, in industrial areas, windy areas or near factories are subject to more frequent cleaning due to the deposition of sand, salt, soot, debris, dust, leaves, pitch and the like.
Furthermore, plates positioned with an inclination angle of less than 15 ° require frequent cleaning.
It is therefore clear that cleaning of the panels is particularly time-consuming and costly, since it is very important in terms of its efficiency.
Disclosure of Invention
It is an object of the present invention to at least partly overcome the above-illustrated drawbacks by providing a solar panel that is easy to clean.
It is another object of the invention to provide a solar panel which is easy to manufacture.
It is a further object of the invention to provide a solar panel which is relatively inexpensive.
These and other objects that will be more apparent hereinafter are achieved by a solar panel and by a method for manufacturing the same as described, illustrated and/or claimed herein.
The dependent claims describe advantageous embodiments of the invention.
Drawings
Further characteristics and advantages of the invention will become clearer from the detailed description of a preferred but not exclusive embodiment of the invention, illustrated by way of non-limiting example with reference to the accompanying drawings, in which:
FIG. 1 is an isometric view of a support structure 10;
FIG. 2 is an isometric view of a plurality of layers 20;
figure 3 is an isometric view of a solar panel 1.
Detailed Description
With reference to the foregoing figures, described herein is a solar panel 1 that is easy to clean.
Such solar panels 1 may be thermal solar panels or photovoltaic modules as shown in figure 1. Although photovoltaic modules are shown in the attached figures, it is clear that the solar panels 1 can be of any type.
Advantageously, in a manner known per se, the covering surface 11 can be made of glass, on which a frame 13, for example made of aluminium, can be superimposed along the edges.
The portion 12 of the covering surface 11 defined by such a frame 13 may be the portion exposed to the sun's rays.
It is clear, however, that the portion 12 exposed to the sun's rays may be smaller than the surface area delimited by the frame 13, without departing from the scope of protection of the appended claims.
The solar panel 1 may further comprise a plurality of laminate layers 20 having a face 21 coupled to the portion 12.
It is clear that although a single plurality of layers 20 will be considered in the following description, several pluralities of layers coupled to the portion 12 may be provided, for example, as a first plurality of layers occupying a portion of the portion 12 and a second plurality of layers occupying the remainder of the portion 12.
In particular, as shown in fig. 2, the plurality of layers 20 may be substantially planar and may have an area that substantially coincides with the surface area of the portion 12.
Even more particularly, the plurality of layers 20 may have a face 21 that may be coupled to and extend over the portion 12, completely covering the portion.
Suitably, each of the plurality of layers 20 may comprise a face 22 opposite the face 21, which is suitable for direct exposure to solar rays and is easily dirtied, according to the progressive use of the layers of the plurality of layers 20.
In fact, these layers may be superimposed on each other and coupled in a removable manner, as will be explained in more detail below, so as to remove the layer of the face 22 directly exposed to the solar rays, in particular when it becomes dirty. In this way, the entire surface area of the portion 12 is exposed to the sun's rays and the efficiency of the solar panel 1 will be maximized.
To this end, the layers may be optically transparent and they may be made of a polymeric material, preferably a flexible polymeric material.
For example, it may be made of polyethylene, polyester, polypropylene, PET, EVA, or polycarbonate.
Such layers may have a predetermined thickness, with a size comprised in the range of 0.03mm to 1mm, more preferably 0.05mm to 0.5mm, so as to minimize the thickness of the plurality of layers 20, while simultaneously maximizing the number of layers comprised therein.
Preferably, the portion 12 and the face 21 may comprise corresponding coupling regions 12 'and 21' for removable coupling therebetween.
Such coupling regions 12 'and 21' may be obtained along all edges of the portion 12 and the face 21 or at some portion of the edge in question, as in particular shown in fig. 1.
In particular, an adhesive means 31 arranged at the coupling region 12' may be provided.
It is clear, however, that such adhesive members 31 may be arranged at the coupling region 21' or the coupling regions 12' and 21' without departing from the scope of protection of the appended claims.
Suitably, the adhesive member 31 is defined by an optically transparent acrylic resin or glue, having an adhesive strength resistant to temperatures higher than 100 ℃.
In this way, the plurality of layers 20 (or rather the layers comprising face 21) and support structure 10 can be easily separated, for example to allow coupling between a new plurality of layers and portion 12, once the layers of the plurality of layers in use have been used.
In addition, the layers of the plurality of layers 20 may be coupled to each other at coupling regions 23' located at all edges of the layers.
Furthermore, the coupling region 23' may be positioned at some portion of the edge of the layer while (at the same time) providing a tab region 24, so as to easily lift the layer to be removed, as in particular shown in fig. 2.
In particular, the coupling between the layers can be carried out by means of adhesive means 32, such as for example an optically transparent acrylic resin or glue, and having an adhesive strength resistant to temperatures higher than 100 ℃.
The adhesive member 32 may be disposed at the coupling region 23'.
For example, a layer of glue may be arranged near or along the edges of two successive layers, facilitating their removable coupling.
Specifically, when the face 22 of one of the layers 20 becomes dirty, it will be possible to remove the layer in use, thereby exposing the underlying face 22 by directly exposing it to the sun's rays.
Preferably, the solar panel 1 as described above may be provided mainly by fixing the individual cells 10' on a frame and by applying a cover glass, a procedure known in the state of the art for providing a support structure 10.
Subsequently, an adhesive member 31 for coupling the plurality of layers 20 may be disposed at the coupling region 12'.
Furthermore, it is clear that by applying the adhesive member 32 at the coupling area 23', the layers of the plurality of layers 20 may already be coupled to each other or they may be gradually coupled to the lower layer.
The frame 13 may then be applied at the edge of the cover surface 11, thereby defining the portion 12 on which the layers of the plurality of layers 20 are applied.
From the foregoing, it will be apparent that the invention achieves the preset objects.
The present invention is susceptible to numerous modifications and variations. All the details may be replaced with other technically equivalent elements, and the materials may be different according to technical needs, without departure from the scope of protection of the invention, which is defined by the annexed claims.
Claims (12)
1. An easy-to-clean solar panel, comprising:
-a substantially planar support structure (10) comprising at least one covering surface (11) having at least one portion (12) exposed to solar rays;
at least one plurality of laminated layers (20) extending at least partially over said at least one portion (12) of said covering surface (11), said at least one plurality of layers (20) comprising a first face (21) removably coupled with said at least one portion (12), each of said at least one plurality of layers (20) comprising a second face (22) opposite to said first face (21);
wherein the layers of the at least one plurality of layers (20) are optically transparent, thereby allowing solar rays to pass through; and is
Wherein the layers of the at least one plurality of layers (20) are removably coupled to each other, allowing a gradual removal of layers having the second face (22) directly exposed to solar rays and/or soiled.
2. Solar panel according to claim 1, further comprising a frame (13) defining an edge of said at least one portion (12) exposed to solar rays, the surface area of said first face (21) of said at least one plurality of layers (20) substantially coinciding with the area of said at least one portion (12), completely covering said area.
3. Solar panel according to claim 1 or 2, wherein the layers of the at least one plurality of laminate layers (20) are made of a polymeric material.
4. Solar panel according to the preceding claim, wherein the polymeric material is selected from the group consisting of: polyethylene, polyester, polypropylene, PET, EVA, polycarbonate.
5. Solar panel according to any of the preceding claims, wherein the layers of the at least one plurality of layers (20) have a thickness of between 0.03mm and 1mm, and preferably between 0.05mm and 0.5 mm.
6. Solar panel according to any one of the preceding claims, wherein the at least one portion (12) exposed to solar rays comprises a first coupling region (12 '), the first face (21) of the at least one plurality of layers (20) comprises a second coupling region (21'), a first adhesive member (31) being provided arranged at the first and/or second coupling region (12 ', 21') allowing a removable coupling there between.
7. Solar panel according to the preceding claim, wherein the first adhesive member (31) consists of an optically transparent acrylic resin or glue, having a temperature resistance higher than 100 ℃.
8. Solar panel according to claim 6 or 7, wherein the first and second coupling areas (12 ', 21') extend at an edge of the portion (12) of the cover surface (11) exposed to solar rays and at an edge of the first face (21) of the at least one plurality of layers (20) and/or along an edge of the portion (12) and an edge of the first face (21), respectively.
9. Solar panel according to any one of the preceding claims, wherein the layers of the at least one plurality of layers (20) comprise a third coupling region (23 '), the third coupling region (23 ') being positioned at an edge thereof or at a part thereof, the layers being removably coupled to each other by means of a second adhesive member (32) at the third coupling region (23 '), thereby facilitating a stepwise removal of the layers of the plurality of layers (20).
10. Solar panel according to the preceding claim, wherein the second adhesive member (32) consists of an optically transparent acrylic resin or glue, having a temperature resistance higher than 100 ℃.
11. Solar panel according to one or more of the preceding claims, wherein the solar panel is a photovoltaic module or a thermal solar panel.
12. Method for manufacturing a solar panel according to one or more of the preceding claims, comprising the steps of:
providing a substantially planar support structure (10) comprising at least one covering surface (11) having at least one portion (12) exposed to solar rays;
-providing at least one plurality of laminated layers (20) superimposed and removably coupled to each other on at least part of said at least one portion (12) of said covering surface (11), said at least one plurality of layers (20) comprising a first face (21) removably coupled with said at least one portion (12);
wherein a layer of the at least one plurality of layers (20) is optically transparent, thereby allowing passage of solar rays.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT102020000001441A IT202000001441A1 (en) | 2020-01-24 | 2020-01-24 | SOLAR PANEL FOR SIMPLIFIED CLEANING |
| IT102020000001441 | 2020-01-24 | ||
| PCT/IB2021/050490 WO2021148996A1 (en) | 2020-01-24 | 2021-01-22 | Easy-to-clean solar panel, and method for manufacturing thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115211028A true CN115211028A (en) | 2022-10-18 |
Family
ID=70480414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202180018130.6A Pending CN115211028A (en) | 2020-01-24 | 2021-01-22 | Easy-to-clean solar panel and manufacturing method thereof |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN115211028A (en) |
| IT (1) | IT202000001441A1 (en) |
| WO (1) | WO2021148996A1 (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8344238B2 (en) * | 2005-07-19 | 2013-01-01 | Solyndra Llc | Self-cleaning protective coatings for use with photovoltaic cells |
| WO2010042981A1 (en) * | 2008-10-14 | 2010-04-22 | Shaun Joseph Cunningham | Photo-voltaic device |
| CN105140325A (en) * | 2015-09-02 | 2015-12-09 | 高金刚 | Self-cleaned solar cell assembly with high conversion rate |
-
2020
- 2020-01-24 IT IT102020000001441A patent/IT202000001441A1/en unknown
-
2021
- 2021-01-22 CN CN202180018130.6A patent/CN115211028A/en active Pending
- 2021-01-22 WO PCT/IB2021/050490 patent/WO2021148996A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| IT202000001441A1 (en) | 2021-07-24 |
| WO2021148996A1 (en) | 2021-07-29 |
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