CN204067389U - Solar photovoltaic assembly - Google Patents
Solar photovoltaic assembly Download PDFInfo
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- CN204067389U CN204067389U CN201420537995.0U CN201420537995U CN204067389U CN 204067389 U CN204067389 U CN 204067389U CN 201420537995 U CN201420537995 U CN 201420537995U CN 204067389 U CN204067389 U CN 204067389U
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- light
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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
- Y02E10/52—PV systems with concentrators
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Abstract
The utility model relates to solar photovoltaic assembly, comprise glass, ground floor EVA film, cell piece, second layer EVA film, backboard and housing, described glass, ground floor EVA film, cell piece, second layer EVA film and backboard adopt after vacuumizing lamination compound and housing is fixed, described housing adopts section combination to form, and it is characterized in that: the tow sides of described glass are equipped with SiO
2light-transmissive film, described SiO
2the thickness of light-transmissive film is 20nm-28nm, described back plate surface is coated with Nano Silver reflectance coating, Nano Silver reflectance coating is coated with tetrafluoroethene coating, the thickness of tetrafluoroethene coating is 30-40nm, described section bar is provided with mounting groove, be provided with adhesive tape in mounting groove, adhesive tape is square structure, and the lateral wall being positioned at a section bar of below after installing in described housing is provided with perforate.The tow sides of glass described in the utility model are equipped with SiO
2light-transmissive film, SiO
2light-transmissive film increases light transmittance, through test card SiO
2when the thickness of light-transmissive film is 20nm-28nm, light transmittance can reach more than 95%, is provided with water-proof strip, and waterproof effect is excellent.
Description
Technical field
The utility model relates to a kind of solar photovoltaic assembly, belongs to field of photovoltaic power generation.
Background technology
The structure of current solar photovoltaic assembly is generally glass, EVA film, cell piece, EVA film and backboard, and this five-layer structure employing rate frame after vacuumizing heated lamination is fixed, thus becomes solar module.The upper and lower two-layer general use made of soft of cell piece and high ethylene-vinyl acetate copolymer (EVA film) encapsulating material of transparency, it is high to there is power loss in common modular construction, the problem of poor durability.
Summary of the invention
It is excellent that technical problem to be solved in the utility model is to provide a kind of structural design, effectively can improve the solar photovoltaic assembly of unit are component power conversion efficiency.
The utility model solves the problems of the technologies described above adopted scheme: solar photovoltaic assembly, comprise glass, ground floor EVA film, cell piece, second layer EVA film, backboard and housing, described glass, ground floor EVA film, cell piece, second layer EVA film and backboard adopt after vacuumizing lamination compound and housing is fixed, described housing adopts section combination to form, and it is characterized in that: the tow sides of described glass are equipped with SiO
2light-transmissive film, described SiO
2the thickness of light-transmissive film is 20nm-28nm, described back plate surface is coated with Nano Silver reflectance coating, Nano Silver reflectance coating is coated with tetrafluoroethene coating, the thickness of tetrafluoroethene coating is 30-40nm, described section bar is provided with mounting groove, be provided with adhesive tape in mounting groove, adhesive tape is square structure, and the lateral wall being positioned at a section bar of below after installing in described housing is provided with perforate.
The thickness of Nano Silver reflectance coating described in the utility model is 12nm-20nm.
Perforate described in the utility model is divided into two-layer up and down, and two-layer perforate is staggered.
The utility model compared with the existing technology has the following advantages and effect:
1, the tow sides of glass described in the utility model are equipped with SiO
2light-transmissive film, SiO
2light-transmissive film increases light transmittance, through test card SiO
2when the thickness of light-transmissive film is 20nm-28nm, light transmittance can reach more than 95%.
2, backboard described in the utility model be coated with Nano Silver reflectance coating, Nano Silver reflectance coating is coated with tetrafluoroethene coating, the thickness of tetrafluoroethene coating is 30-40nm.The luminous emissivity of backboard is also the key factor of assembly conversion efficiency, backboard is provided with and adopts vacuum coating mode plated film nano silver material as reflectance coating, then cover upper tetrafluoroethene coating can available protecting reflectance coating and backboard, improve the durability of backboard.
3, section bar described in the utility model is provided with adhesive tape, water resistance, adhesive tape layer is square can bump contact glass, uniform force is stablized, and wherein a section bar lateral wall is provided with perforate, and this section bar is the position being positioned at below after installing, because assembly exposes with outdoor, common wind and weather, period in rainy season part water can infiltrate through in section bar, therefore this arrange perforate can water conservancy diversion source infiltration moisture content.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is sectional structure schematic diagram of the present utility model.
Fig. 3 is described open-celled structure schematic diagram of the present utility model.
Embodiment
Be described in further detail the utility model below in conjunction with embodiment, following examples are that the utility model is not limited to following examples to explanation of the present utility model.
Embodiment:
Solar photovoltaic assembly described in the utility model as shown in Figure 1 to Figure 2, comprise glass 1, ground floor EVA film 2, cell piece 3, second layer EVA film 4, backboard 5 and housing 6, described glass 1, ground floor EVA film 2, cell piece 3, second layer EVA film 4 and backboard 5 adopt after vacuumizing lamination compound and housing 6 is fixed, described housing 6 adopts section combination to form, and the tow sides of described glass 1 are equipped with SiO
2light-transmissive film 7, described SiO
2the thickness of light-transmissive film 7 is 20nm-28nm, and the present embodiment selects 20nm, 28nm and 25nm.Described backboard 5 surface is coated with Nano Silver reflectance coating 8, Nano Silver reflectance coating 8 adopts vacuum coating technology by nano silver material plated film on backboard 5 surface, Nano Silver reflectance coating 8 is coated with tetrafluoroethene coating 9, the thickness of tetrafluoroethene coating is 30-40nm, and the present embodiment selects 30nm, 37nm and 45nm.Nano Silver reflectance coating 8 can increase the luminous emissivity of backboard, promote conversion efficiency, described section bar is provided with mounting groove 61, adhesive tape 10 is provided with in mounting groove 61, adhesive tape 10 is square structure, the lateral wall of a section bar 66 being positioned at below after installing in described housing 6 is provided with perforate 62, and other section bars are without perforate, and perforate can penetrate into moisture content in housing in water conservancy diversion source.The section bar being positioned at below after installation described in the utility model is only variant with other section bars on open-celled structure, and the thickness of Nano Silver reflectance coating described in the utility model is 12nm-20nm.
As shown in Figure 3, described perforate 62 is divided into two-layer up and down, and two-layer perforate 62 is staggered.Double-layer drilling interlocks, and waterproof steam flows backwards.
Although the utility model with embodiment openly as above; but it is also not used to limit protection range of the present utility model; any technical staff being familiar with this technology, not departing from the change and retouching done in design of the present utility model and scope, all should belong to protection range of the present utility model.
Claims (3)
1. solar photovoltaic assembly, comprise glass, ground floor EVA film, cell piece, second layer EVA film, backboard and housing, described glass, ground floor EVA film, cell piece, second layer EVA film and backboard adopt after vacuumizing lamination compound and housing is fixed, described housing adopts section combination to form, and it is characterized in that: the tow sides of described glass are equipped with SiO
2light-transmissive film, described SiO
2the thickness of light-transmissive film is 20nm-28nm, described back plate surface is coated with Nano Silver reflectance coating, Nano Silver reflectance coating is coated with tetrafluoroethene coating, the thickness of tetrafluoroethene coating is 30-40nm, described section bar is provided with mounting groove, be provided with adhesive tape in mounting groove, adhesive tape is square structure, and the lateral wall being positioned at a section bar of below after installing in described housing is provided with perforate.
2. solar photovoltaic assembly according to claim 1, is characterized in that: the thickness of described Nano Silver reflectance coating is 12nm-20nm.
3. solar photovoltaic assembly according to claim 1, is characterized in that: described perforate is divided into two-layer up and down, and two-layer perforate is staggered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420537995.0U CN204067389U (en) | 2014-09-18 | 2014-09-18 | Solar photovoltaic assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420537995.0U CN204067389U (en) | 2014-09-18 | 2014-09-18 | Solar photovoltaic assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204067389U true CN204067389U (en) | 2014-12-31 |
Family
ID=52208843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420537995.0U Active CN204067389U (en) | 2014-09-18 | 2014-09-18 | Solar photovoltaic assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204067389U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106024947A (en) * | 2016-07-25 | 2016-10-12 | 无锡中洁能源技术有限公司 | Solar backboard structure with high conversion efficiency |
| CN107843471A (en) * | 2017-10-16 | 2018-03-27 | 浙江昱辉阳光能源江苏有限公司 | A kind of efficient photovoltaic module degree of cross linking tests sampling method |
-
2014
- 2014-09-18 CN CN201420537995.0U patent/CN204067389U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106024947A (en) * | 2016-07-25 | 2016-10-12 | 无锡中洁能源技术有限公司 | Solar backboard structure with high conversion efficiency |
| CN107843471A (en) * | 2017-10-16 | 2018-03-27 | 浙江昱辉阳光能源江苏有限公司 | A kind of efficient photovoltaic module degree of cross linking tests sampling method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |