CN206685398U - A kind of photovoltaic module and its automatically cleaning backboard - Google Patents
A kind of photovoltaic module and its automatically cleaning backboard Download PDFInfo
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- CN206685398U CN206685398U CN201621254073.4U CN201621254073U CN206685398U CN 206685398 U CN206685398 U CN 206685398U CN 201621254073 U CN201621254073 U CN 201621254073U CN 206685398 U CN206685398 U CN 206685398U
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- backboard
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- 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
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Abstract
This application discloses a kind of photovoltaic module and its automatically cleaning backboard, wherein, the automatically cleaning backboard includes substrate layer, the surface of the substrate layer is coated with nano-oxide active layer, the nano-oxide active layer of coating has stronger refractivity and photolytic activity, ultraviolet light can effectively be absorbed, produce photocatalytic effect, there is certain screening ability to ultraviolet, the skin effect and small-size effect of nano particle make it that its surface texture is more close, water vapor transmittance can effectively be reduced, possesses certain automatical cleaning ability, therefore this automatically cleaning backboard has automatically cleaning and anti-ultraviolet function, there is the excellent erosion performance of resistance to dust storm, the failure of photovoltaic module is reduced by reducing the failure of back veneer material, the life-span of photovoltaic module can be improved.
Description
Technical field
Photovoltaic apparatus manufacturing technology field is the utility model is related to, more specifically to a kind of photovoltaic module and its certainly
Clean backboard.
Background technology
Backboard is located at the outermost of solar components, is directly contacted with external environment, and the work of some solar components
Environment very severe, some are arranged in bleak and desolate Desert of Gobi, desert, and day and night temperature is big, flying sands and howling wind, some component installations
On the very high plateau of height above sea level, amount of ultraviolet irradiation is very big, and some components are arranged on the coastal region in east China, often there is thunderstorm, ice
The bad weathers such as hail.These areas are all high areas ultraviolet, height is damp and hot, dust storm amount is larger, and humidity is higher in environment, dust storm amount
Greatly, a certain degree of pollution can be caused to back plate surface, the backboard after pollution not only influences whether the attractive in appearance of photovoltaic module, can also
The problems such as there is certain abrasion, or even causing backboard cracking, jaundice, failure of insulation, and the failure of backboard eventually results in light
Lie prostrate the failure of component；And it is far above authentication test dosage by the erosion of external environment in component actual installation 25 years, therefore, how
Strengthen the protection of backboard, make its wet-heat resisting, resistance to ultraviolet, resistance to dust storm erosion etc., 25 year service life is reached to photovoltaic plant to pass
It is important, turn into a urgent problem to be solved.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of photovoltaic module and its automatically cleaning backboard, have certainly
Cleaning and anti-ultraviolet function, have the excellent erosion performance of resistance to dust storm, it is possible to increase the life-span of photovoltaic module.
A kind of automatically cleaning backboard provided by the utility model, including substrate layer, the surface of the substrate layer are coated with nanometer
Oxide active layer.
Preferably, in above-mentioned automatically cleaning backboard, the surface of the nano-oxide active layer is coated with anionic surface
Active agent layer.
Preferably, in above-mentioned automatically cleaning backboard, also set up between the substrate layer and the nano-oxide active layer
There is fluorine coating.
Preferably, in above-mentioned automatically cleaning backboard, the nano-oxide active layer is nano titanium oxide active layer, received
Rice silicon dioxide activity layer or nano tin dioxide active layer.
Preferably, in above-mentioned automatically cleaning backboard, the anion surfactant layer is hydroxyl hydrophilic layer, carboxylic acid group parent
Water layer, sulfonic group hydrophilic layer or phosphate hydrophilic layer.
Preferably, in above-mentioned automatically cleaning backboard, the thickness range of the nano-oxide active layer is 40 nanometers to 60
Nanometer.
Preferably, in above-mentioned automatically cleaning backboard, the thickness range of the anion surfactant layer for 40 nanometers extremely
60 nanometers.
Preferably, in above-mentioned automatically cleaning backboard, the substrate layer is PET base material layer.
A kind of photovoltaic module provided by the utility model, including any automatically cleaning backboard as described above.
It can be seen from the above technical proposal that a kind of photovoltaic module provided by the utility model and its automatically cleaning backboard,
Because the automatically cleaning backboard includes substrate layer, the surface of the substrate layer is coated with nano-oxide active layer, therefore with certainly
Cleaning and anti-ultraviolet function, have the excellent erosion performance of resistance to dust storm, it is possible to increase the life-span of photovoltaic module.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is embodiment of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, also
Other accompanying drawings can be obtained according to the accompanying drawing of offer.
Fig. 1 is the schematic diagram for the first automatically cleaning backboard that the embodiment of the present application provides.
Embodiment
Core concept of the present utility model is to provide a kind of photovoltaic module and its automatically cleaning backboard have automatically cleaning and resist
The function of ultraviolet, there is the excellent erosion performance of resistance to dust storm, it is possible to increase the life-span of photovoltaic module.
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
The first automatically cleaning backboard that the embodiment of the present application provides is as shown in figure 1, Fig. 1 is that the embodiment of the present application provides
A kind of schematic diagram of automatically cleaning backboard.The automatically cleaning backboard includes substrate layer 1, and the surface of the substrate layer 1 is coated with nano oxygen
Compound active layer 2.
It should be noted that when producing solar components, by safety glass, EVA, cell piece, EVA, backboard according to from
Under to upper sequentially pass through laminate adhesive together, cell piece and EVA are encapsulated in inside by backboard with safety glass, pass through aluminium side
Frame and silica gel sealing edge.As the back encapsulating material of component, there are higher requirement, such as moisture-proof to the respective performances of backboard
Hot, resistance to ultraviolet, resistance to dust storm erosion etc..The service life of solar components is 25 years, and the working environment of solar components is very
Badly, therefore, the protection for component just seems extremely important, and the use of at least 25 years will be had by not requiring nothing more than the supplementary material of component
The time limit, as back-protective material, backboard will more have the performances such as excellent weatherability, water preventing ability, resistance to ultraviolet, resistance to dust storm erosion,
And failure of the backboard in these performances can cause one of whole assembly reliability to fail, severe patient can cause the report of component
It is useless.
The backboard of encapsulation is made up of three parts, and internal layer need to typically pass through surface treatment with having well with packaging adhesive film
Caking property, middle base material plays a part of insulation and skeletal support, and outer protective layer has good environment resistant aggressivity,
The weatherability of back veneer material, water preventing ability can be by being improved, and in order to reach resistance to purple to backboard outer membrane and middle PET base material
Outside, resistance to dust storm pollutes these purposes, is just realized using coated with nano oxide active layer.Wherein, this backboard utilized can
To be the different type such as TPT, TPE, KPF or CPC, and the nano-oxide active layer coated can effectively absorb ultraviolet light,
Photocatalytic effect is produced, possesses certain automatical cleaning ability, the skin effect and small-size effect of nano particle cause its surface
Structure is more close, can effectively reduce water vapor transmittance.
It can be seen from the above technical proposal that the first automatically cleaning backboard that the embodiment of the present application is provided, due to including
Substrate layer, the surface of the substrate layer is coated with nano-oxide active layer, therefore has automatically cleaning and anti-ultraviolet function,
There is the excellent erosion performance of resistance to dust storm, it is possible to increase the life-span of photovoltaic module.
The embodiment of the present application provide second of automatically cleaning backboard, be on the basis of the first above-mentioned automatically cleaning backboard,
Also include following technical characteristic：
The surface of the nano-oxide active layer is coated with anion surfactant layer.
It should be noted that nano-oxide active layer has certain cleaning capacity in itself, but its main function is light
Shielding ultraviolet rays are catalyzed, and after one layer of anion surfactant layer of its surface increase, it becomes possible to play preferably from clear
Clean ability.
The embodiment of the present application provide the third automatically cleaning backboard, be on the basis of the first above-mentioned automatically cleaning backboard,
Also include following technical characteristic：
Fluorine coating is additionally provided between the substrate layer and the nano-oxide active layer.
It should be noted that existing most of T films backboard and K films backboard are all fluorine film backboards, such as TPE/TPT/
KPK/KPF etc., in fluorine coating surface coated with nano oxide active layer, automatical cleaning ability can be strengthened, improve the longevity of backboard
Life.
The embodiment of the present application provide the 4th kind of automatically cleaning backboard, be on the basis of the first above-mentioned automatically cleaning backboard,
Also include following technical characteristic：
The nano-oxide active layer is nano titanium oxide active layer, nanometer titanium dioxide silicon active layer or nano oxidized
Tin active layer.
It should be noted that nano titanium oxide has stronger refractivity and photolytic activity, have necessarily to ultraviolet
Screening ability, while certain automatic cleaning action is also equipped with, and SiO2And SnO2Also possesses certain uvioresistant ability, to ultraviolet
It is substantially based on reflecting, scatter and absorb.
The embodiment of the present application provide the 5th kind of automatically cleaning backboard, be on the basis of above-mentioned second of automatically cleaning backboard,
Also include following technical characteristic：
The anion surfactant layer is hydroxyl hydrophilic layer, carboxylic acid group's hydrophilic layer, sulfonic group hydrophilic layer or phosphate
Hydrophilic layer.
Wherein, hydroxyl hydrophilic layer can make moisture completely homogeneously in back plate surface drawout, can when there is dust on surface
The pollutant for being attached to surface is taken away by gravity by the hydrophily of hydroxyl, so as to reach uvioresistant and automatical cleaning ability, other
Various hydrophilic layers also there is similar function.
The embodiment of the present application provide the 6th kind of automatically cleaning backboard, be it is above-mentioned the first into the 5th kind of automatically cleaning backboard
On the basis of any, in addition to following technical characteristic：
The thickness range of the nano-oxide active layer is 40 nanometers to 60 nanometers.
It is thick also substantially without increase backboard weight while possessing certain automatical cleaning ability it can be seen that its thickness is relatively thin
Spend it is relatively thin can also save raw material, reduce cost.
The 7th kind of automatically cleaning backboard that the embodiment of the present application provides, is in above-mentioned second or the 5th kind of automatically cleaning backboard
On the basis of, in addition to following technical characteristic：
The thickness range of the anion surfactant layer is 40 nanometers to 60 nanometers.
It can be seen that its thickness is also smaller, also substantially without increase backboard weight, thickness while possessing certain automatical cleaning ability
It is relatively thin to save raw material, reduce cost.
The embodiment of the present application provide the 8th kind of automatically cleaning backboard, be it is above-mentioned the first into the 5th kind of automatically cleaning backboard
On the basis of any, in addition to following technical characteristic：
The substrate layer is PET base material layer, and this is a kind of common substrate layer, has the advantage that cost is low, is easily obtained.
A kind of photovoltaic module that the embodiment of the present application provides, including any automatically cleaning backboard as described above, therefore have
There is preferable automatical cleaning ability, effectively improve the life-span of photovoltaic module.
In summary, the automatically cleaning backboard that the embodiment of the present application provides substitutes original common backboard, and composite construction is than former
There is structure to have lower water vapor transmittance, whole component water vapor transmittance is reduced while improving backboard water preventing ability；Using again
Close the TiO of backboard2The uvioresistant and automatic cleaning action that film layer and hydroxyl hydrophilic layer play, can effectively improve backboard uvioresistant and
Automatical cleaning ability, the failure of component is reduced by reducing the failure of back veneer material.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or new using this practicality
Type.A variety of modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can be realized in other embodiments in the case where not departing from spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (8)
1. a kind of automatically cleaning backboard, it is characterised in that including substrate layer, the surface of the substrate layer is lived coated with nano-oxide
Property layer, fluorine coating is additionally provided between the substrate layer and the nano-oxide active layer.
2. automatically cleaning backboard according to claim 1, it is characterised in that the surface coating of the nano-oxide active layer
There is anion surfactant layer.
3. automatically cleaning backboard according to claim 1, it is characterised in that the nano-oxide active layer is nano-silica
Change titanium active layer, nanometer titanium dioxide silicon active layer or nano tin dioxide active layer.
4. automatically cleaning backboard according to claim 2, it is characterised in that the anion surfactant layer is hydroxyl parent
Water layer, carboxylic acid group's hydrophilic layer, sulfonic group hydrophilic layer or phosphate hydrophilic layer.
5. according to the automatically cleaning backboard described in claim any one of 1-4, it is characterised in that the nano-oxide active layer
Thickness range is 40 nanometers to 60 nanometers.
6. the automatically cleaning backboard according to claim 2 or 4, it is characterised in that the thickness of the anion surfactant layer
It is 40 nanometers to 60 nanometers to spend scope.
7. according to the automatically cleaning backboard described in claim any one of 1-4, it is characterised in that the substrate layer is PET base material layer.
8. a kind of photovoltaic module, it is characterised in that including the automatically cleaning backboard as described in claim any one of 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621254073.4U CN206685398U (en) | 2016-11-16 | 2016-11-16 | A kind of photovoltaic module and its automatically cleaning backboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621254073.4U CN206685398U (en) | 2016-11-16 | 2016-11-16 | A kind of photovoltaic module and its automatically cleaning backboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206685398U true CN206685398U (en) | 2017-11-28 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621254073.4U Active CN206685398U (en) | 2016-11-16 | 2016-11-16 | A kind of photovoltaic module and its automatically cleaning backboard |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111334100A (en) * | 2020-03-16 | 2020-06-26 | 日升运维河北新能源有限公司 | Super-hydrophilic coating agent for front side of photovoltaic module, preparation method and application method |
| CN112802909A (en) * | 2021-01-18 | 2021-05-14 | 浙江中聚材料有限公司 | Easy-to-clean solar photovoltaic back plate and preparation process thereof |
| CN113948587A (en) * | 2021-10-13 | 2022-01-18 | 常州百佳年代薄膜科技股份有限公司 | Solar cell back plate, preparation method thereof and solar cell module |
-
2016
- 2016-11-16 CN CN201621254073.4U patent/CN206685398U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111334100A (en) * | 2020-03-16 | 2020-06-26 | 日升运维河北新能源有限公司 | Super-hydrophilic coating agent for front side of photovoltaic module, preparation method and application method |
| CN111334100B (en) * | 2020-03-16 | 2022-05-24 | 日升运维河北新能源有限公司 | Super-hydrophilic coating agent for front side of photovoltaic module, preparation method and application method |
| CN112802909A (en) * | 2021-01-18 | 2021-05-14 | 浙江中聚材料有限公司 | Easy-to-clean solar photovoltaic back plate and preparation process thereof |
| CN113948587A (en) * | 2021-10-13 | 2022-01-18 | 常州百佳年代薄膜科技股份有限公司 | Solar cell back plate, preparation method thereof and solar cell module |
| CN113948587B (en) * | 2021-10-13 | 2024-01-30 | 常州百佳年代薄膜科技股份有限公司 | Solar cell backboard, preparation method thereof and solar cell module |
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