CN203920357U - A kind of Vehicular solar skylight - Google Patents
A kind of Vehicular solar skylight Download PDFInfo
- Publication number
- CN203920357U CN203920357U CN201420215036.7U CN201420215036U CN203920357U CN 203920357 U CN203920357 U CN 203920357U CN 201420215036 U CN201420215036 U CN 201420215036U CN 203920357 U CN203920357 U CN 203920357U
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- 239000011248 coating agent Substances 0.000 claims abstract description 21
- 238000000576 coating method Methods 0.000 claims abstract description 21
- 235000008216 herbs Nutrition 0.000 claims description 12
- 210000002268 wool Anatomy 0.000 claims description 12
- 238000005516 engineering process Methods 0.000 claims description 5
- 239000000758 substrate Substances 0.000 claims description 4
- 239000010408 film Substances 0.000 abstract description 18
- 230000000694 effects Effects 0.000 abstract description 12
- 230000008859 change Effects 0.000 abstract description 8
- 239000010409 thin film Substances 0.000 abstract description 7
- 239000002086 nanomaterial Substances 0.000 abstract description 5
- 230000009467 reduction Effects 0.000 abstract description 2
- 239000000084 colloidal system Substances 0.000 description 9
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 9
- 239000004926 polymethyl methacrylate Substances 0.000 description 9
- 238000002310 reflectometry Methods 0.000 description 7
- 239000011521 glass Substances 0.000 description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 229910052710 silicon Inorganic materials 0.000 description 5
- 239000010703 silicon Substances 0.000 description 5
- 230000003667 anti-reflective effect Effects 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000003960 organic solvent Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004049 embossing Methods 0.000 description 2
- 238000005538 encapsulation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000149 argon plasma sintering Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000013083 solar photovoltaic technology Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
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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
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/90—Energy harvesting concepts as power supply for auxiliaries' energy consumption, e.g. photovoltaic sun-roof
Landscapes
- Photovoltaic Devices (AREA)
Abstract
The utility model discloses a kind of Vehicular solar skylight; it comprises glassivation, glass-base and solar battery sheet; described solar battery sheet is between described glassivation and glass-base; between described glassivation and described cell piece, be provided with poly-mer matching layer; the light entrance face of described glassivation is provided with poly-mer antireflection coating, and the light-emitting face of described glass-base is provided with poly-mer anti-reflection film.By poly-mer matching layer, replace original air gap layer, make glassivation, poly-mer matching layer and cell piece three's index matching, reduce the reflection at interface.By poly-mer antireflection coating, utilize micro-nano structure to produce the equivalent refractive index of gradual change, thus reflection when reduction light enters glassivation.By poly-mer anti-reflection film, the light that penetrates thin-film solar cells is shone in compartment in larger angular range, increase the even angle of Vehicular solar skylight transmitted light, strengthen overall daylighting effect.
Description
Technical field
The utility model belongs to solar-photovoltaic technology field, relates in particular to a kind of Vehicular solar skylight.
Background technology
Solar cell is the device that directly light energy conversion is become to electric energy by photoelectric effect or Photochemical effects, and its application is extensive, and one of them important application is Vehicular solar skylight.
One, Vehicular solar of the prior art skylight important use be reduce automobile under hot weather, outdoor long-time stop time vehicle interior temperature.Vehicular solar skylight adds solar panel in the glassy layer of original vehicle dormer window, and its mouth is connected with storage battery, and control unit is connected with air conditioner temperature sensor in car.Automobile is outdoor when travelling or berthing, and solar cell can charge to storage battery.In the time of automobile parking, skylight control unit is controlled storage battery blower according to the temperature in car, make room air and outdoorly carry out convection current, greatly reduce " isolated island " effect of interior, reduce the compartment temperature of automobile in the time that hot room travels or berths outward, human discomfort when elimination user enters compartment.
Another effect in solar power skylight meets the daylighting demand in car, and because of the requirement of light transmission, thin-film solar cells is the first-selection of this application.At present Vehicular solar skylight generally adopts the thin-film solar cells of multi-crystal silicon film solar battery or cascade, and its THICKNESS CONTROL, in several micrometer ranges, and can not be used reflective back plate electrode, and overall efficiency is lower.The Vehicular solar skylight of prior art as shown in Figure 1, comprises cell piece 3 and the transparency electrode 4 of glassivation 1, glass-base 2 and solar cell.Glassivation 1 covers the light entrance face of cell piece 3, for sealing, insulation or the waterproof etc. of cell piece 3.Utilize making herbs into wool technology to scribe the pleated structures such as pyramid at cell piece 3 light entrance faces, form making herbs into wool face, to reduce the reflection of light at cell piece 3 light entrance faces, by sunshine with large angle scattering in the silicon active layer of cell piece 3, can effectively improve the transmission distance of light in silicon active layer, improve the efficiency of thin-film solar cells.But owing to having air gap layer 5 between cell piece 3 and glassivation 1; ratio of refraction between glassivation 1, air gap layer 5 and cell piece 3 is not mated; can cause light the process that enters cell piece 3 from glassivation 1, to produce larger reflection; this greatly affects the effect of thin-film solar cells, also has influence on the daylighting effect in solar power skylight.
In addition, the Vehicular solar skylight of prior art is at the light entrance face of glassivation 1, and the interface of glass and air exists reflection, has affected the total amount of the light that enters into thin-film solar cells.
For the problems referred to above; on the one hand; solution of the prior art is directly to make antireflective micro-nano structure at glassivation 1 light entrance face; can modulate glassivation surface equivalent refractive index and make it and air matches by the size of modulation micro-nano structure; thereby significantly reduce the reflection of interface, realize the response of wide-angle and wide spectrum.But because glassivation 1 light entrance face contacts with extraneous for a long time; the pollution on surface can make this micro-nano structure lose gradually its antireflecting effect; and the glassivation of changing this band structure can make the maintenance cost in whole solar power skylight greatly improve, and is not suitable for the application in industry solar power skylight.
On the other hand, the light-emitting face of the glass-base 2 in the solar power skylight of prior art is not provided with any structure, because its surface is comparatively smooth, can make emergent ray be limited in a less angle, is unfavorable for the daylighting of entirety in car.
Summary of the invention
The purpose of this utility model is just to provide a kind of Vehicular solar skylight, in improving the daylighting effect in vehicle-mounted skylight, reduces the cost in vehicle-mounted skylight, the homogeneity while improving in sunshine incident car.
In order to realize above-mentioned utility model object, technical solutions of the utility model are as follows:
A kind of Vehicular solar skylight; it comprises glassivation, glass-base and solar battery sheet; described solar battery sheet is between described glassivation and glass-base; between described glassivation and described cell piece, be provided with poly-mer matching layer; the light entrance face of described glassivation is provided with poly-mer antireflection coating, and the light-emitting face of described glass-base is provided with poly-mer anti-reflection film.
Further, the ratio of refraction of described poly-mer matching layer is greater than the ratio of refraction of glassivation, and is less than the ratio of refraction of cell piece.Trilaminate material has formed the refractive index gradient of transition, has greatly reduced the reflection of various material interfaces, has improved photovoltaic conversion efficiency.
Further, the light entrance face of described cell piece is provided with making herbs into wool face by making herbs into wool technology, and described poly-mer matching layer matches near cell piece one side and described making herbs into wool face.Replace air gap layer with poly-mer matching layer, made the index matching of three layers, increased the incident effect of light.
Further, described poly-mer antireflection coating light entrance face is provided with the pyramid nanostructured that at least one is in array-like arrangement.The bottom length of side of the pyramid nanostructured of described poly-mer antireflection coating is 1 micron, is highly 1 micron, and the cycle is 1 micron, and lower support substrate thickness is 500 nanometers.By bottom side length, height and the support base thickness of modulation pyramid nanostructured; can produce the equivalent refractive index of gradual change; between outside air and glass, form the gradual change of equivalent refractive index; thereby greatly reduced reflection when ambient light enters glassivation, increase light is transmitted to the ratio of glassivation.
Further, described poly-mer anti-reflection film light-emitting face is provided with the pyramid nanostructured that at least one is in array-like arrangement.The bottom length of side of the pyramid nanostructured of described poly-mer anti-reflection film is 500 nanometers, is highly 1 micron, and the cycle is 500 nanometers, and lower support substrate thickness is 500 nanometers.Height, the bottom length of side and array cycle to pyramid nanostructured modulate, and can regulate and control the spread of emergent light, increase the scattering angle of emergent light, and outgoing luminous energy is evenly distributed in polarizers of big angle scope.
The Vehicular solar skylight the utility model proposes; by poly-mer matching layer is set between the cell piece in conventional solar cell and glassivation; to replace original air gap layer; the index matching that makes glassivation, poly-mer matching layer and cell piece three, reduces the reflection at interface.By poly-mer antireflection coating being set at the light entrance face of glassivation, utilize the micro-nano structure of poly-mer antireflection coating to produce the equivalent refractive index of gradual change, thus reflection when reduction light enters glassivation.By at the light-emitting face of glass-base, poly-mer anti-reflection film being set, the light that penetrates thin-film solar cells is shone in compartment in larger angular range, increase the even angle of Vehicular solar skylight transmitted light, strengthen overall daylighting effect.
Brief description of the drawings
Fig. 1 is the structural representation in the Vehicular solar skylight of prior art;
Fig. 2 is the structural representation in Vehicular solar of the present utility model skylight.
In figure, description of reference numerals is as follows: 1, glassivation, 2, glass-base, 3, cell piece, 4, transparency electrode, 5, air gap layer, 6, poly-mer matching layer, 7, poly-mer antireflection coating, 8, poly-mer anti-reflection film.
Detailed description of the invention
Below in conjunction with drawings and Examples, technical solutions of the utility model are described in further details, following examples do not form restriction of the present utility model.
Vehicular solar of the present utility model skylight as shown in Figure 2, comprises glassivation 1, cell piece 3, glass-base 2, poly-mer matching layer 6, poly-mer antireflection coating 7 and poly-mer anti-reflection film 8.For simplicity,,, repeat no more here owing to not being emphasis of the present utility model as storage battery, air conditioner temperature sensor and skylight control unit for other associated members in Vehicular solar skylight.
The light entrance face of cell piece 3 adopts making herbs into wool technology to form making herbs into wool face, and making herbs into wool face adopts common pyramid nanostructured.In the present embodiment, poly-mer matching layer 6 is filled between cell piece 3 and glassivation 1, this poly-mer matching layer 6 matches near cell piece 3 one sides and making herbs into wool face.
Poly-mer matching layer 6 adopts poly-mer conventional in industry, and as polymethyl methacrylate (PMMA), ratio of refraction is 1.52.In process of production, polymethyl methacrylate is dissolved in organic solvent and can forms the colloid with better flowing power, then be coated in the light entrance face of cell piece 3, colloid permeable enter in gap between the pleated structure of silicon active layer of cell piece 3; Glassivation 1 is covered to the light entrance face of the cell piece 3 after colloid applies, colloid can be closely in conjunction with glassivation 1 and cell piece 3 again, after colloid solidifies, forms poly-mer matching layer 6.Thereby glassivation 1, poly-mer matching layer 6 and cell piece 3 just can closely be bonded together.
The present embodiment has replaced the air gap layer 5 between glassivation 1 and cell piece 3 in prior art with poly-mer matching layer 6.And the ratio of refraction maximum of cell piece 3, the ratio of refraction the second of poly-mer matching layer 6, the ratio of refraction minimum of glassivation 1; three layers have formed good refractive index gradient; reduced widely the reflectivity of material interface, compared with prior art, reflectivity can drop to original 25.9%.
Reflection when entering glassivation 1 in order further to reduce sunshine, is also provided with poly-mer antireflection coating 7 at the light entrance face of glassivation 1.
As shown in Figure 2, poly-mer antireflection coating 7 is positioned at the light entrance face of glassivation 1, as the outermost layer of silicon solar cell.
The material that poly-mer antireflection coating 7 adopts is also polymethyl methacrylate (PMMA), and its ratio of refraction is 1.52.In process of production, polymethyl methacrylate is dissolved in organic solvent and can forms the colloid with better flowing power, make at least one pyramid nanostructured by nanometer embossing in the one side of this colloid, after solidifying, can form the antireflection coating with pyramid nanostructured.The bottom length of side of each pyramid nanostructured is 1 micron, is highly 1 micron, and the cycle is 1 micron; Its underpart support base thickness is 500 nanometers.Utilize pyramid nanostructured to produce the equivalent refractive index of gradual change, form the gradual change of equivalent refractive index, thereby greatly reduced reflection when ambient light enters glassivation 1 between outside air and glass, increase light is transmitted to the ratio of glassivation 1.
In the time of broadband light (the be called broadband light of Wavelength distribution from 300 nanometers to 800 nanometers) vertical incidence glassivation 1; relatively light enters into the reflectivity of glassivation 1 from the external world, the reflectivity that is provided with the glassivation 1 of poly-mer antireflection coating 7 be prior art glassivation 1 reflectivity 8.9%.Even if broadband light (Wavelength distribution is called broadband light from 300 nanometers to 800 nanometers) becomes 25 degree inclination angle incidents with blooming piece; become 75 degree angles with glassivation 1 vertical line; be provided with the reflectivity also just 65.8% of the reflectivity of prior art glassivation 1 of the glassivation 1 of poly-mer antireflection coating 7, greatly improved the wide-angle collection efficiency of light.
In order to make further light shine in compartment in larger angular range, increase the even angle of Vehicular solar skylight transmitted light, be also provided with poly-mer anti-reflection film 8 at the light-emitting face of glass-base 2.
As shown in Figure 2, poly-mer anti-reflection film 8 is positioned at the light-emitting face of glass-base 2.The material that poly-mer anti-reflection film 8 adopts is also polymethyl methacrylate (PMMA), and its ratio of refraction is 1.52.
In process of production, polymethyl methacrylate is dissolved in organic solvent and can forms the colloid with better flowing power, make at least one pyramid nanostructured by nanometer embossing in the one side of this colloid, after solidifying, can form the anti-reflection film with pyramid nanostructured.The bottom length of side of each pyramid nanostructured is 500 nanometers, is highly 1 micron, and the cycle is 500 nanometers; Its underpart support base thickness is 500 nanometers.Broadband light (Wavelength distribution is from 300 nanometers to 800 nanometers) vertically shines in air from glass-base 2, add after poly-mer anti-reflection film 8, the transmissivity of glass-base 2 and suitable without any the transmissivity of the glass-base 2 of processing, but the transmitted light angle distribution of the glass-base 2 of interpolation poly-mer anti-reflection film 8 is wide, its luminous energy is becoming with vertical direction in 75 degree angular range more equably to distribute, and light scattering effect is much better than without any the glass-base 2 of processing.
Poly-mer antireflection coating 7 and poly-mer anti-reflection film 8 all can be produced separately; finished product can directly paste glassivation 1 or glass-base 2 surfaces produce antireflective or antireflective effect; when poly-mer antireflection coating 7 or poly-mer anti-reflection film 8 damages or surface contaminated cause anti-reflective effect decline time; can directly change this poly-mer antireflection coating 7 or poly-mer anti-reflection film 8; and do not need whole glassivation 1 or the glass-base 2 changed; more do not need whole change solar power skylight, can greatly reduce maintenance cost.
It should be noted that in the utility model, glassivation 1 both can be used as the encapsulation of cell piece 3 in solar cell, can be used as again the glass outer in Vehicular solar skylight, and glassivation 1 is combined into same layer with the glass outer in Vehicular solar skylight.If 1 encapsulation as cell piece 3 of glassivation, in Vehicular solar of the present utility model skylight, also comprises the glass outer being arranged at outside glassivation 1.
Above embodiment is only in order to the technical solution of the utility model to be described but not be limited; in the situation that not deviating from the utility model spirit and essence thereof; those of ordinary skill in the art are when making various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the utility model.
Claims (7)
1. a Vehicular solar skylight; it comprises glassivation (1), glass-base (2) and cell piece (3); described solar battery sheet (3) is positioned between described glassivation (1) and glass-base (2); it is characterized in that; between described glassivation (1) and described cell piece (3), be provided with poly-mer matching layer (6); the light entrance face of described glassivation (1) is provided with poly-mer antireflection coating (7), and the light-emitting face of described glass-base (2) is provided with poly-mer anti-reflection film (8).
2. Vehicular solar according to claim 1 skylight, is characterized in that, the ratio of refraction of described poly-mer matching layer (6) is greater than the ratio of refraction of glassivation (1), and is less than the ratio of refraction of cell piece (3).
3. Vehicular solar according to claim 2 skylight, it is characterized in that, the light entrance face of described cell piece (3) is provided with making herbs into wool face by making herbs into wool technology, and described poly-mer matching layer (6) matches near cell piece (3) one sides and described making herbs into wool face.
4. Vehicular solar according to claim 1 skylight, is characterized in that, described poly-mer antireflection coating (7) light entrance face is provided with the pyramid nanostructured that at least one is in array-like arrangement.
5. Vehicular solar according to claim 4 skylight, it is characterized in that, the bottom length of side of the pyramid nanostructured of described poly-mer antireflection coating (7) is 1 micron, is highly 1 micron, cycle is 1 micron, and lower support substrate thickness is 500 nanometers.
6. Vehicular solar according to claim 1 skylight, is characterized in that, described poly-mer anti-reflection film (8) light-emitting face is provided with the pyramid nanostructured that at least one is in array-like arrangement.
7. Vehicular solar according to claim 6 skylight, it is characterized in that, the bottom length of side of the pyramid nanostructured of described poly-mer anti-reflection film (8) is 500 nanometers, is highly 1 micron, cycle is 500 nanometers, and lower support substrate thickness is 500 nanometers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420215036.7U CN203920357U (en) | 2014-04-29 | 2014-04-29 | A kind of Vehicular solar skylight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420215036.7U CN203920357U (en) | 2014-04-29 | 2014-04-29 | A kind of Vehicular solar skylight |
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| Publication Number | Publication Date |
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| CN203920357U true CN203920357U (en) | 2014-11-05 |
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| CN201420215036.7U Expired - Fee Related CN203920357U (en) | 2014-04-29 | 2014-04-29 | A kind of Vehicular solar skylight |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105276838A (en) * | 2015-10-22 | 2016-01-27 | 西安交通大学 | Refraction-based solar light homogenizing pipe type reactor or drier |
| TWI612680B (en) * | 2017-06-16 | 2018-01-21 | 聯相光電股份有限公司 | Low reflectivity solar sunroof device and method of manufacturing same |
| CN108717949A (en) * | 2018-06-11 | 2018-10-30 | 汉能移动能源控股集团有限公司 | Solar cell, manufacturing method thereof and solar cell module |
| CN109742163A (en) * | 2019-01-25 | 2019-05-10 | 武汉宇恩防伪技术有限公司 | A kind of solar battery thin film structure with anti-reflecting layer |
| CN111739954A (en) * | 2020-06-30 | 2020-10-02 | 苏州大学 | Crystalline silicon solar cell and preparation method thereof |
-
2014
- 2014-04-29 CN CN201420215036.7U patent/CN203920357U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105276838A (en) * | 2015-10-22 | 2016-01-27 | 西安交通大学 | Refraction-based solar light homogenizing pipe type reactor or drier |
| TWI612680B (en) * | 2017-06-16 | 2018-01-21 | 聯相光電股份有限公司 | Low reflectivity solar sunroof device and method of manufacturing same |
| CN108717949A (en) * | 2018-06-11 | 2018-10-30 | 汉能移动能源控股集团有限公司 | Solar cell, manufacturing method thereof and solar cell module |
| CN109742163A (en) * | 2019-01-25 | 2019-05-10 | 武汉宇恩防伪技术有限公司 | A kind of solar battery thin film structure with anti-reflecting layer |
| CN111739954A (en) * | 2020-06-30 | 2020-10-02 | 苏州大学 | Crystalline silicon solar cell and preparation method thereof |
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Effective date of registration: 20170418 Address after: 215505 high tech Industrial Development Zone, Jiangsu Province, Huijin Road East, Southeast of the building No. three, No., No. 1 Patentee after: SUZHOU ZILUO INTELLIGENT TECHNOLOGY CO.,LTD. Address before: 215505 Changshou City City, Jiangsu province high tech Industrial Development Zone, No. three East Road, No. 1, Patentee before: JIANGSU DINGYUN INFORMATION SCIENCE & TECHNOLOGY CO.,LTD. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141105 |