CN105720123A - Double-glazed assembly - Google Patents
Double-glazed assembly Download PDFInfo
- Publication number
- CN105720123A CN105720123A CN201610269019.5A CN201610269019A CN105720123A CN 105720123 A CN105720123 A CN 105720123A CN 201610269019 A CN201610269019 A CN 201610269019A CN 105720123 A CN105720123 A CN 105720123A
- Authority
- CN
- China
- Prior art keywords
- glass
- solar double
- cell piece
- glass assemblies
- double
- Prior art date
- 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
- 239000011521 glass Substances 0.000 claims abstract description 112
- 230000000712 assembly Effects 0.000 claims description 57
- 238000000429 assembly Methods 0.000 claims description 57
- 239000011248 coating agent Substances 0.000 claims description 16
- 238000000576 coating method Methods 0.000 claims description 16
- 230000011514 reflex Effects 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 6
- 239000010409 thin film Substances 0.000 claims description 6
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 abstract description 11
- 230000001678 irradiating effect Effects 0.000 abstract 2
- 239000000463 material Substances 0.000 description 25
- 238000010586 diagram Methods 0.000 description 4
- 230000031700 light absorption Effects 0.000 description 4
- 238000004806 packaging method and process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 238000005728 strengthening Methods 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 239000002313 adhesive film Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000005538 encapsulation Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000005341 toughened glass Substances 0.000 description 2
- 241000127225 Enceliopsis nudicaulis Species 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 238000004643 material aging Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000005336 safety glass Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
- H01L31/0488—Double glass encapsulation, e.g. photovoltaic cells arranged between front and rear glass sheets
-
- 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
- H01L31/054—Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means
- H01L31/0547—Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means comprising light concentrating means of the reflecting type, e.g. parabolic mirrors, concentrators using total internal reflection
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention discloses a double-glazed assembly, which comprises rear cover board glass, wherein the inner side of the rear cover board glass comprises a battery piece region and a clearance region; the clearance region comprises clearances between battery pieces and clearances between battery strings formed by a plurality of battery pieces; and the clearance region has a reflecting structure and is used for directionally reflecting sunlight of irradiating the clearance region to front cover board glass and reflecting the sunlight to the battery pieces through the front cover board glass. According to the double-glazed assembly, the reflecting structure is arranged in the clearance region of the rear cover board glass; the reflecting structure of the rear cover board glass directionally reflects the sunlight of irradiating the clearance region to the front cover board glass; the front cover board glass reflects the sunlight to the battery pieces; and absorption of internal reflected light by the double-glazed assembly is increased, so that the sunlight absorption efficiency of the double-glazed assembly is improved; and the output power of the double-glazed assembly is improved.
Description
Technical field
The present invention relates to photovoltaic module packaging field, particularly relate to a kind of solar double-glass assemblies.
Background technology
The structure of crystal silicon solar double-glass assemblies is followed successively by front shroud glass-upper strata encapsulating material-cell piece-lower floor's encapsulating material-back shroud glass from top to bottom, generally adopt the low ferrum safety glass of plated film as front shroud, transparent toughened glass is as back shroud, EVA or PVB etc. is as upper strata and lower floor's encapsulating material.
Compared with conventional photovoltaic assemblies, the not only safety of crystal silicon solar double-glass assemblies is higher, and is providing the problems such as the material aging, the power attenuation that solve the degraded of conventional backing plate open air while clean environment firendly electric energy and cause.But this kind of solar double-glass assemblies back shroud employing is transparent toughened glass, its integral light-transmitting makes the sunray between being irradiated between cell piece and going here and there directly through photovoltaic module, causes the waste of luminous energy, thus reducing the output of solar double-glass assemblies.
At present, for strengthening solar double-glass assemblies cell piece, the absorption problem of internal reflected light there is is a variety of mode, mainly has following three kinds:
The first structure is: be followed successively by the solar double-glass assemblies of upper strata glass, upper strata encapsulating material, photovoltaic cell, lower floor's encapsulating material and lower floor's glass from top to bottom, its at the middle and upper levels encapsulating material be layed in described photovoltaic cell front, for transparent encapsulation material, lower floor's encapsulating material is layed in the described photovoltaic cell back side, for nontransparent encapsulating material.
The second structure is: be followed successively by the solar double-glass assemblies of upper strata glass, upper strata encapsulating material, photovoltaic cell, lower floor's encapsulating material, white coating and lower floor's glass from top to bottom, its at the middle and upper levels encapsulating material be layed in described photovoltaic cell front, for transparent encapsulation material, lower floor's encapsulating material is layed in the described photovoltaic cell back side, and white coating is coated on the contact surface between lower floor's glass and lower floor's encapsulating material.
The third structure is: be followed successively by the solar double-glass assemblies of upper strata glass, upper strata encapsulating material, photovoltaic cell, reflecting layer, lower floor's encapsulating material and lower floor's glass from top to bottom, the gap area between gap or the battery strings of multiple described cell piece composition between cell piece, reflecting layer upper surface has the first reflectance coating.
For strengthening solar double-glass assemblies cell piece in many settling modes of the absorption problem of internal reflected light, lower floor's encapsulating material is that nontransparent encapsulating material can bring excessive glue and air bubble problem；Contact surface coating white coating between lower floor's glass and lower floor's encapsulating material, wherein the absorption increasing component internal light is not had gain effect by the white coating in cell piece region；Increasing reflecting layer between cell piece and lower floor's encapsulating material can make the preparation technology of encapsulating material and assembly more complicated.
Summary of the invention
It is an object of the invention to provide a kind of solar double-glass assemblies, improve output.
For solving above-mentioned technical problem, embodiments provide a kind of solar double-glass assemblies, including back shroud glass, the inner side of described back shroud glass includes cell piece region and gap area, wherein, described gap area includes the gap between the battery strings of the gap between cell piece and multiple described cell piece composition, described gap area has catoptric arrangement, for being emitted onto the interval sunlight orienting reflex in described gap to front shroud glass, then by described front shroud glass-reflected to described cell piece.
Wherein, the thickness of described gap area is equal to the thickness of described cell piece.
Wherein, described catoptric arrangement is at least one reflecting slant and/or at least one reflecting curved surface.
Wherein, adjacent described reflecting slant or described reflecting curved surface intersect.
Wherein, the angle between adjacent described reflecting slant is 60 °～120 °.
Wherein, the reflectance coating being arranged on described reflective structured surface is also included.
Wherein, described reflectance coating is TiO2Thin film or AlO thin film.
The solar double-glass assemblies that the embodiment of the present invention provides, compared with prior art, has the advantage that
The solar double-glass assemblies that the embodiment of the present invention provides, including back shroud glass, the inner side of described back shroud glass includes cell piece region and gap area, wherein, described gap area includes the gap between the battery strings of the gap between cell piece and multiple described cell piece composition, described gap area has catoptric arrangement, for being emitted onto the interval sunlight orienting reflex in described gap to front shroud glass, then by described front shroud glass-reflected to described cell piece.
Described solar double-glass assemblies, by arranging catoptric arrangement at the gap area of rear glass cover-plate, the catoptric arrangement of back shroud glass is emitted onto the sunlight orienting reflex of gap area to front shroud glass, again by front shroud glass-reflected to cell piece, add the solar double-glass assemblies absorption to internal reflected light, thus improve the sunlight efficiency of light absorption of solar double-glass assemblies, improve the output of solar double-glass assemblies.
In sum, the solar double-glass assemblies that the embodiment of the present invention provides, by arranging catoptric arrangement at the gap area of rear glass cover-plate, improve the output of solar double-glass assemblies.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
A kind of structural representation of the detailed description of the invention of the solar double-glass assemblies that Fig. 1 provides for the embodiment of the present invention；
A kind of reflective structure of the solar double-glass assemblies that Fig. 2 provides for the embodiment of the present invention and light path schematic diagram thereof；
A kind of reflective structure of the solar double-glass assemblies that Fig. 3 provides for the embodiment of the present invention and light path schematic diagram thereof.
Detailed description of the invention
Just as described in the background section, existing for strengthening solar double-glass assemblies cell piece in many settling modes of the absorption problem of internal reflected light, lower floor's encapsulating material is that nontransparent encapsulating material can bring excessive glue and air bubble problem；Contact surface coating white coating between lower floor's glass and lower floor's encapsulating material, wherein the absorption increasing component internal light is not had gain effect by the white coating in cell piece region；Increasing reflecting layer between cell piece and lower floor's encapsulating material can make the preparation technology of encapsulating material and assembly more complicated.
Based on this, embodiments provide a kind of solar double-glass assemblies, including back shroud glass, the inner side of described back shroud glass includes cell piece region and gap area, wherein, described gap area includes the gap between the battery strings of the gap between cell piece and multiple described cell piece composition, and described gap area has catoptric arrangement, for being emitted onto the interval sunlight orienting reflex in described gap to front shroud glass, then by described front shroud glass-reflected to described cell piece.
In sum, the solar double-glass assemblies that the embodiment of the present invention provides, by arranging catoptric arrangement at the gap area of rear glass cover-plate, the catoptric arrangement of back shroud glass is emitted onto the sunlight orienting reflex of gap area to front shroud glass, again by front shroud glass-reflected to cell piece, adding the solar double-glass assemblies absorption to internal reflected light, thus improve the sunlight efficiency of light absorption of solar double-glass assemblies, improve the output of solar double-glass assemblies.
Understandable for enabling the above-mentioned purpose of the present invention, feature and advantage to become apparent from, below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.
Elaborate detail in the following description so that fully understanding the present invention.But the present invention can be different from alternate manner described here implement with multiple, and those skilled in the art can do similar popularization when without prejudice to intension of the present invention.Therefore the present invention is not by the following public restriction being embodied as.
Refer to Fig. 1-3, the structural representation of a kind of detailed description of the invention of the solar double-glass assemblies that Fig. 1 provides for the embodiment of the present invention；A kind of reflective structure of the solar double-glass assemblies that Fig. 2 provides for the embodiment of the present invention and light path schematic diagram thereof；A kind of reflective structure of the solar double-glass assemblies that Fig. 3 provides for the embodiment of the present invention and light path schematic diagram thereof.
In a kind of detailed description of the invention, described solar double-glass assemblies, including back shroud glass 10, the inner side of described back shroud glass 10 includes cell piece region and gap area, wherein, described gap area includes the gap between the battery strings of the gap between cell piece 40 and multiple described cell piece 40 composition, described gap area has catoptric arrangement 11, for being emitted onto the interval sunlight orienting reflex in described gap to front shroud glass 20, then reflexed to described cell piece 40 by described front shroud glass 20.
Described solar double-glass assemblies, by arranging catoptric arrangement 11 at the gap area of rear glass cover-plate 10, the catoptric arrangement 11 of back shroud glass 10 is emitted onto the sunlight orienting reflex of gap area to front shroud glass 20, cell piece 40 is reflexed to again by front shroud glass 20, add the solar double-glass assemblies absorption to internal reflected light, thus improve the sunlight efficiency of light absorption of solar double-glass assemblies, improve the output of solar double-glass assemblies.
The structure of the solar double-glass assemblies in the present invention, includes front shroud glass 20, upper strata packaging adhesive film 30, crystal-silicon battery slice 40, lower floor's packaging adhesive film 50 and back shroud glass 10 from top to bottom successively.
Due in solar double-glass assemblies, there is front glass cover plate and rear glass cover-plate 10, and the surface of glass cover-plate is general very smooth, cell piece 40 position being difficult to glass cover-plate is fixed, the process of component package is susceptible to the phenomenon of cell piece 40 displacement, therefore, the height of gap area is designed as the height higher than cell piece region by the present invention, after so cell piece 40 being embedded cell piece region, in the process of component package, the phenomenon that cell piece 40 will not be occurred to shift, improves package quality and packaging efficiency, it is ensured that the good appearance of solar double-glass assemblies.The thickness of general described gap area is equal to the thickness of described cell piece 40.It should be noted that the thickness of described gap area described here is equal to the thickness of described cell piece 40, referring to after putting into cell piece 40, the overhead height of gap area is equal with the overhead height of cell piece 40.
And for catoptric arrangement 11, the effect of described catoptric arrangement 11 is the sunlight orienting reflex being emitted onto gap area to front shroud glass 20, cell piece 40 is being reflexed to by front shroud glass 20, described catoptric arrangement 11 can be one or more reflecting slant, it can also be one or more reflecting curved surface, can also is that the combination of reflecting slant or reflecting curved surface, namely described catoptric arrangement 11 is at least one reflecting slant and/or at least one reflecting curved surface.It should be noted that, described reflecting slant or reflecting curved surface are not limited by the present invention, the dimensional parameters of multiple reflecting slant can be identical, can also be different, the parameter of multiple reflecting curved surfaces can also be identical, it is also possible to different, and multiple reflecting slant here or reflecting curved surface can refer to reflecting slant or the reflecting curved surface at same position place, can also being worth reflecting slant or the reflecting curved surface of various location in solar double-glass assemblies, the present invention does not do concrete setting.
Owing to the width of gap area is less, general adjacent described reflecting slant or described reflecting curved surface intersect.In the solar double-glass assemblies of the present invention, the top margin of reflecting slant can be parallel with the length direction of gap area, it is also possible to vertical with the length direction of gap area or become other a angle, it is also possible to is interleaved with arranging.
Reflexing to be able to as far as possible many sunlights being emitted onto gap area, the angle between general adjacent described reflecting slant is 60 °～120 °.
In order to improve reflection efficiency, generally also can on described catoptric arrangement 11 reflectance coating, namely described solar double-glass assemblies also includes the reflectance coating that is arranged on described catoptric arrangement 11 surface.
For reducing use cost, general described reflectance coating is TiO2Thin film or AlO thin film.
In sum, the solar double-glass assemblies that the embodiment of the present invention that the embodiment of the present invention provides provides, by arranging catoptric arrangement at the gap area of rear glass cover-plate, the catoptric arrangement of back shroud glass is emitted onto that luminous directional reflectance of too auntie of gap area to front shroud glass, by front shroud glass-reflected to cell piece, adding the solar double-glass assemblies absorption to internal reflected light, thus improve the sunlight efficiency of light absorption of solar double-glass assemblies, improve the output of solar double-glass assemblies.
Above solar double-glass assemblies provided by the present invention is described in detail.Principles of the invention and embodiment are set forth by specific case used herein, and the explanation of above example is only intended to help to understand method and the core concept thereof of the present invention.It should be pointed out that, for those skilled in the art, under the premise without departing from the principles of the invention, it is also possible to the present invention carries out some improvement and modification, these improve and modify in the protection domain also falling into the claims in the present invention.
Claims (7)
1. a solar double-glass assemblies, it is characterized in that, including back shroud glass, the inner side of described back shroud glass includes cell piece region and gap area, wherein, described gap area includes the gap between the battery strings of the gap between cell piece and multiple described cell piece composition, and described gap area has catoptric arrangement, for being emitted onto the interval sunlight orienting reflex in described gap to front shroud glass, then by described front shroud glass-reflected to described cell piece.
2. solar double-glass assemblies as claimed in claim 1, it is characterised in that the thickness of described gap area is equal to the thickness of described cell piece.
3. solar double-glass assemblies as claimed in claim 1, it is characterised in that described catoptric arrangement is at least one reflecting slant and/or at least one reflecting curved surface.
4. solar double-glass assemblies as claimed in claim 3, it is characterised in that adjacent described reflecting slant or described reflecting curved surface intersect.
5. solar double-glass assemblies as claimed in claim 4, it is characterised in that the angle between adjacent described reflecting slant is 60 °～120 °.
6. solar double-glass assemblies as claimed in claim 5, it is characterised in that also include the reflectance coating being arranged on described reflective structured surface.
7. solar double-glass assemblies as claimed in claim 6, it is characterised in that described reflectance coating is TiO2Thin film or AlO thin film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610269019.5A CN105720123A (en) | 2016-04-27 | 2016-04-27 | Double-glazed assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610269019.5A CN105720123A (en) | 2016-04-27 | 2016-04-27 | Double-glazed assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105720123A true CN105720123A (en) | 2016-06-29 |
Family
ID=56161706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610269019.5A Pending CN105720123A (en) | 2016-04-27 | 2016-04-27 | Double-glazed assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105720123A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108155260A (en) * | 2018-01-30 | 2018-06-12 | 3M创新有限公司 | Solar cell module |
| CN109301015A (en) * | 2018-10-23 | 2019-02-01 | 凤阳硅谷智能有限公司 | A kind of double glass photovoltaic modulies |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204538042U (en) * | 2015-03-04 | 2015-08-05 | 南通美能得太阳能电力科技有限公司 | A kind of double-sided solar battery assembly |
| CN204834650U (en) * | 2015-08-31 | 2015-12-02 | 晶科能源有限公司 | Photovoltaic assembly |
| CN205542826U (en) * | 2016-04-27 | 2016-08-31 | 晶科能源有限公司 | Dual glass assembly |
-
2016
- 2016-04-27 CN CN201610269019.5A patent/CN105720123A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204538042U (en) * | 2015-03-04 | 2015-08-05 | 南通美能得太阳能电力科技有限公司 | A kind of double-sided solar battery assembly |
| CN204834650U (en) * | 2015-08-31 | 2015-12-02 | 晶科能源有限公司 | Photovoltaic assembly |
| CN205542826U (en) * | 2016-04-27 | 2016-08-31 | 晶科能源有限公司 | Dual glass assembly |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108155260A (en) * | 2018-01-30 | 2018-06-12 | 3M创新有限公司 | Solar cell module |
| CN109301015A (en) * | 2018-10-23 | 2019-02-01 | 凤阳硅谷智能有限公司 | A kind of double glass photovoltaic modulies |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20160629 |