CN208608209U - A kind of two-sided double glass photovoltaic modulies of slice - Google Patents
A kind of two-sided double glass photovoltaic modulies of slice Download PDFInfo
- Publication number
- CN208608209U CN208608209U CN201821079294.1U CN201821079294U CN208608209U CN 208608209 U CN208608209 U CN 208608209U CN 201821079294 U CN201821079294 U CN 201821079294U CN 208608209 U CN208608209 U CN 208608209U
- Authority
- CN
- China
- Prior art keywords
- double
- slice
- photovoltaic modulies
- cell piece
- side cell
- 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.)
- Active
Links
Classifications
-
- 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
- Photovoltaic Devices (AREA)
Abstract
The utility model discloses a kind of two-sided double glass photovoltaic modulies of slice, belong to solar photovoltaic assembly field.The two-sided double glass photovoltaic modulies of the slice include the front cover glass sheet being arranged from top to bottom, the first packaging adhesive film, double-side cell lamella, the second packaging adhesive film and rear cover glass sheet, wherein the double-side cell lamella is made of slice double-side cell piece；The back shroud glass top surface is equipped with the gap area between multiple rectangular battery panel regions and battery panel region, and the gap area is provided with reflectance coating.The utility model substitutes general cell piece using slice double-side cell piece, increase the gap between cell piece, and the reflectivity by printing reflectance coating increase light on back shroud, to increase absorption of the photovoltaic module to internal reflected light, the output power of two-sided double glass photovoltaic modulies is made to improve 5~10W.
Description
Technical field
The utility model belongs to solar photovoltaic assembly field, and in particular to a kind of two-sided double glass photovoltaic modulies of slice.
Background technique
Photovoltaic module is most important portion in core and solar power system in solar power system
Point.
Existing two-sided double glass photovoltaic modulies, from top to bottom successively by front cover glass sheet, the first packaging adhesive film, double-side cell
5 layers of lamella, the second packaging adhesive film and rear cover glass sheet structure are constituted, and wherein the solar battery sheet in double-side cell lamella is usual
It is square, rear cover glass sheet generally uses ultra-clear glasses, and upper surface (i.e. towards the surface of front cover glass sheet) includes battery
Panel region and gap area, gap area include the gap between cell piece and multiple cell pieces composition battery strings between
Gap, existing two-sided double glass photovoltaic modulies are lower to the utilization rate of sunlight.
Summary of the invention
Technical problem to be solved in the utility model is just to provide a kind of two-sided double glass photovoltaic modulies of slice, effectively increases
Add the utilization rate to sunlight, improves the output power of photovoltaic module.
Above-mentioned technical problem is solved, the technical solution adopted in the utility model is as follows:
The two-sided double glass photovoltaic modulies of a kind of slice, including the front cover glass sheet, the first packaging adhesive film, double being arranged from top to bottom
Face battery lamella, the second packaging adhesive film and rear cover glass sheet, in which:
The double-side cell lamella is made of slice double-side cell piece, and the slice double-side cell piece is rectangle；
The back shroud glass top surface is equipped between multiple rectangular battery panel regions and battery panel region
Gap area, the gap area are provided with reflectance coating.
As a kind of embodiment of the utility model, the bond length of the slice double-side cell piece is long side length
Half or one third or 1/5th, for example, can for 156.75mm × 78.375mm, 157.4mm ×
78.7mm, 156.75mm × 52.25mm or 156.75mm × 31.35mm.
The two-sided double glass photovoltaic modulies of slice described in the utility model, by using rectangular slice double-side cell piece,
When slice double-side cell piece long side length is identical as the cell piece side length of common square, using cutting for the utility model
Piece double-side cell piece reduces the area of single battery piece, to increase the gap between cell piece, increases between cell piece
The secondary use space of reflected light improves the output of two-sided double glass photovoltaic modulies to increase the absorption of internal reflected light
Power.On the other hand, by the way that reflectance coating is arranged in the upper surface of rear cover glass sheet, can make more through cell piece gap
Sunlight is reflected into again on front cover glass sheet, is then re-reflected on cell piece to further increase two-sided double glass photovoltaic groups
The output power of part.
Preferably, the width of the gap area is 6~10mm, double greater than the slice in same battery panel region
Gap between the cell piece of face.Since the various reasons such as operation to be sliced double-side cell during photovoltaic module production
Piece shifts relative to the battery panel region of the back shroud glass top surface, if the width of the gap area with it is described
The gap for being sliced double-side cell piece is equal, then part will be exposed after double-side cell piece deviates by, which being sliced, is not provided with reflectance coating
Battery panel region, light leakage is caused, so that the raising of sun light utilization efficiency is not achieved the effect of anticipation.The gap is set
Peak width is greater than the gap of the slice double-side cell piece, it can be ensured that the not light leakage after offset improves the serious forgiveness of product.
The material of the reflectance coating can be nano coating or low temperature glaze.The reflectance coating of selection high reflectance helps
It is reflected into inside photovoltaic module in by more light, improves the utilization rate of light and further increases the defeated of two-sided double glass photovoltaic modulies
Power out.Wherein, the nano coating can be nano yttrium oxide (Y2O3) or titanium oxide (TiO2), the low temperature glaze
Refer to that firing temperature is lower than 1120 DEG C of glaze.
Preferably, the front cover glass sheet, rear cover glass sheet with a thickness of 0.5~3.2mm, the glass of this thickness can
The hardness for keeping glass, also can guarantee the transmitance of light.
Preferably, the material of first packaging adhesive film and the second packaging adhesive film is high molecular material.Such as POE(is poly-
Olefin elastomer, Polyolefin elastomer), EVA(ethylene-acetate ethylene copolymer, ethylene-vinyl
Acetate copolymer) etc..
Preferably, the front cover glass sheet is super white patterned plated film semi-tempered glass, and the rear cover glass sheet is floating
Method semi-tempered glass.What wherein the super white patterned plated film semi-tempered glass was coated with is silicon dioxide film.
Preferably, the back shroud glass top surface is pressed with pattern structure, and there are many kinds of pattern structures, such as hexagonal flower
Line, four Bian Huawen, pyramid decorative pattern, pattern structure can help to improve the utilization rate of light.
Herein, it should be noted that in the utility model, slice double-side cell piece can be by existing square
Double-side cell cuts to obtain.Silicon wafer used is sliced in double-side cell either P-type wafer is also possible to N-type silicon chip, it both can be with
It is that polysilicon chip is also possible to monocrystalline silicon piece.
In the utility model, rectangular slice double-side cell piece had both included the cell piece that four angles are right angle, was also wrapped
Include at least two jiaos of cell pieces (cutting to obtain by the cell piece using square monocrystalline silicon piece) for fillet in four angles.
The utility model has the following beneficial effects:
The utility model substitutes general cell piece using slice double-side cell piece, increases the gap between cell piece,
And the reflectivity by printing reflectance coating increase light on back shroud, to increase suction of the photovoltaic module to internal reflected light
It receives, improves the output power of two-sided double glass photovoltaic modulies up to 5~10W.
Detailed description of the invention
The utility model is further described below by way of drawings and examples.
The decomposition view of Fig. 1 two-sided double glass photovoltaic modulies of slice described in embodiment 1.
The top view of Fig. 2 double-side cell lamella described in embodiment 1.
The top view of Fig. 3 rear cover glass sheet described in embodiment 1.
The arrangement top view of Fig. 4 full wafer photovoltaic cell.
Appended drawing reference: 1- front cover glass sheet；The first packaging adhesive film of 2-；3- double-side cell lamella；The second packaging adhesive film of 4-；5-
Rear cover glass sheet；6- is sliced double-side cell piece；7- battery panel region；8- gap area；9- full wafer cell piece.
Specific embodiment
The utility model is further described with attached drawing with reference to embodiments.
Embodiment 1
As shown in Figures 1 to 3, being sliced two-sided double glass photovoltaic modulies includes the front cover glass sheet 1 being arranged from top to bottom, the first envelope
Fill glue film 2, double-side cell lamella 3, the second packaging adhesive film 4 and rear cover glass sheet 5；
If the double-side cell lamella 3 is rearranged by dry chip double-side cell piece 6, it is sliced the short of double-side cell piece 6
Edge lengths are the half (156.75mm × 78.375mm) of long side length, are sliced the column of double-side cell piece 6 away from being 2mm, capable
Away from for 3.25mm；5 upper surface of rear cover glass sheet is equipped with the gap area between multiple battery panel regions 7 and battery panel region 7
8, the gap between cell piece can be increased using slice double-side cell piece 6 and helped to increase the absorption to internal reflected light
In the output power for improving two-sided double glass photovoltaic modulies；
The gap area 8 of 5 upper surface of rear cover glass sheet is also brushed with the white low temperature glaze as reflectance coating by screen printing,
Reflectivity > 80%, the width of the gap area 8 are 8mm, can be sufficiently greater than the gap between the slice double-side cell piece 6
Using the light through gap area 8 between slice double-side cell piece 6, the output power of component is improved.
First packaging adhesive film 2, the second packaging adhesive film 4 are POE.
Front cover glass sheet 1 is the super white patterned plated film semi-tempered glass of 2.5mm thickness；Rear cover glass sheet 5 is the plating of 2.5mm thickness
Glaze float glass process semi-tempered glass, and battery panel region 7 on rear cover glass sheet 5 and gap area 8 are equipped with hexagonal decorative pattern.
Embodiment 2
Be sliced two-sided double glass photovoltaic modulies include the front cover glass sheet 1 being arranged from top to bottom, it is the first packaging adhesive film 2, two-sided
Battery lamella 3, the second packaging adhesive film 4 and rear cover glass sheet 5；
If the double-side cell lamella 3 is rearranged by dry chip double-side cell piece 6, it is sliced the short of double-side cell piece 6
Edge lengths are the one third (156.75mm × 52.25mm) of long side length, are sliced the column of double-side cell piece 6 away from for 2mm, line-spacing
For 3.25mm；5 upper surface of rear cover glass sheet is equipped with the gap area 8 between multiple battery panel regions 7 and battery panel region 7,
The gap between cell piece can be increased using slice double-side cell piece 6 facilitates to increase the absorption to internal reflected light
Improve the output power of two-sided double glass photovoltaic modulies；
The gap area 8 of 5 upper surface of rear cover glass sheet is also by screen printing brushed with the TiO as reflectance coating2Coating, instead
Rate > 80% is penetrated, the width of the gap area 8 is 6mm, can be sufficiently sharp greater than the gap between the slice double-side cell piece 6
With the light through gap area 8 between slice double-side cell piece 6, the output power of component is improved.
First packaging adhesive film 2, the second packaging adhesive film 4 are POE.
Front cover glass sheet 1 is the super white patterned plated film semi-tempered glass of 0.5mm thickness；Rear cover glass sheet 5 is the plating of 0.5mm thickness
Glaze float glass process semi-tempered glass, and battery panel region 7 on rear cover glass sheet 5 and gap area 8 are equipped with four Bian Huawen.
Embodiment 3
Be sliced two-sided double glass photovoltaic modulies include the front cover glass sheet 1 being arranged from top to bottom, it is the first packaging adhesive film 2, two-sided
Battery lamella 3, the second packaging adhesive film 4 and rear cover glass sheet 5；
If the double-side cell lamella 3 is rearranged by dry chip double-side cell piece 6, it is sliced the short of double-side cell piece 6
Edge lengths are 1/5th (156.75mm × 31.35mm) of long side length, are sliced the column of double-side cell piece 6 away from for 2mm, line-spacing
For 3.25mm；5 upper surface of rear cover glass sheet is equipped with the gap area 8 between multiple battery panel regions 7 and battery panel region 7,
The gap between cell piece can be increased using slice double-side cell piece 6 facilitates to increase the absorption to internal reflected light
Improve the output power of two-sided double glass photovoltaic modulies；
The gap area 8 of 5 upper surface of rear cover glass sheet is also brushed with the nano yttrium oxide as reflectance coating by screen printing,
Reflectivity > 80%, the width of the gap area 8 are 10mm, greater than the gap between the slice double-side cell piece 6, can be filled
Divide using the light through gap area 8 between slice double-side cell piece 6, improves the output power of component.
First packaging adhesive film 2, the second packaging adhesive film 4 are POE.
Front cover glass sheet 1 is the super white patterned plated film semi-tempered glass of 3.2mm thickness；Rear cover glass sheet 5 is the plating of 3.2mm thickness
Glaze float glass process semi-tempered glass, and battery panel region 7 on rear cover glass sheet 5 and gap area 8 are equipped with pyramid decorative pattern.
Comparative example 1
This comparative example 1 the difference from embodiment 1 is that, the rear cover glass sheet 5 is that the 2.5mm thickness of bloomed coating is floating
Method semi-tempered glass.
Comparative example 2
This comparative example 2 the difference from embodiment 1 is that, the double-side cell lamella 3 is arranged by several full wafer cell pieces 9
Composition, the full wafer cell piece 9 are as broad as long square.
The output power of embodiment 1, comparative example 1,2 battery of comparative example is carried out using the test method of IEC61215 standard
Test, test result is as follows shown in table:
| Embodiment 1 | Comparative example 1 | Comparative example 2 | |
| Output power/W | 315 | 309.5 | 308.5 |
As seen from the above table, the output power of embodiment 1 compares comparative example 1 and improves 5.5W by contrast, compared to comparative example 2
6.5W is improved, can prove that the utility model can effectively improve the output power of two-sided double glass photovoltaic modulies.
It should be pointed out that above-described embodiment be only the utility model is further described, rather than limit, with
Any change in the comparable meaning and scope of the utility model, is all considered as being included in the protection scope of the utility model
It is interior.
Claims (10)
1. a kind of two-sided double glass photovoltaic modulies of slice, including the front cover glass sheet, the first packaging adhesive film, two-sided being arranged from top to bottom
Battery lamella, the second packaging adhesive film and rear cover glass sheet, it is characterised in that:
The double-side cell lamella is made of slice double-side cell piece, and the slice double-side cell piece is rectangle；
The back shroud glass top surface is equipped with the gap between multiple rectangular battery panel regions and battery panel region
Region, the gap area are provided with reflectance coating.
2. the two-sided double glass photovoltaic modulies of slice according to claim 1, which is characterized in that the slice double-side cell piece
Bond length is the half or one third or 1/5th of long side length.
3. the two-sided double glass photovoltaic modulies of slice according to claim 2, which is characterized in that the slice double-side cell piece
Size be 156.75mm × 78.375mm, 157.4mm × 78.7mm, 156.75mm × 52.25mm or 156.75mm ×
31.35mm。
4. the two-sided double glass photovoltaic modulies of slice according to claim 1, which is characterized in that the width of the gap area
For 6~10mm, greater than the gap between the slice double-side cell piece in same battery panel region.
5. the two-sided double glass photovoltaic modulies of slice according to claim 1 or 4, which is characterized in that the reflectance coating
Material is nano coating or low temperature glaze.
6. the two-sided double glass photovoltaic modulies of slice according to claim 1, which is characterized in that the front cover glass sheet, after
Cover-plate glass with a thickness of 0.5~3.2mm.
7. the two-sided double glass photovoltaic modulies of slice according to claim 1, which is characterized in that first packaging adhesive film and
The material of second packaging adhesive film is high molecular material.
8. the two-sided double glass photovoltaic modulies of slice according to claim 1, which is characterized in that the front cover glass sheet is super
White embossing plated film semi-tempered glass, the rear cover glass sheet are float glass process semi-tempered glass.
9. the two-sided double glass photovoltaic modulies of slice according to claim 1, which is characterized in that the back shroud glass top surface
It is pressed with pattern structure.
10. the two-sided double glass photovoltaic modulies of slice according to claim 9, which is characterized in that the pattern structure is six
One of corner piece line, four Bian Huawen, pyramid decorative pattern.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821079294.1U CN208608209U (en) | 2018-07-09 | 2018-07-09 | A kind of two-sided double glass photovoltaic modulies of slice |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821079294.1U CN208608209U (en) | 2018-07-09 | 2018-07-09 | A kind of two-sided double glass photovoltaic modulies of slice |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208608209U true CN208608209U (en) | 2019-03-15 |
Family
ID=65668053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821079294.1U Active CN208608209U (en) | 2018-07-09 | 2018-07-09 | A kind of two-sided double glass photovoltaic modulies of slice |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208608209U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114854306A (en) * | 2022-04-26 | 2022-08-05 | 环晟光伏(江苏)有限公司 | Reflective coating and preparation method thereof, reflective piece and manufacturing method thereof, and double-sided photovoltaic module |
-
2018
- 2018-07-09 CN CN201821079294.1U patent/CN208608209U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114854306A (en) * | 2022-04-26 | 2022-08-05 | 环晟光伏(江苏)有限公司 | Reflective coating and preparation method thereof, reflective piece and manufacturing method thereof, and double-sided photovoltaic module |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI445194B (en) | Package structure of solar photovoltaic module and method of manufacturing the same | |
| CN103850372B (en) | Solar energy battery curtain wall | |
| CN102064223B (en) | Solar battery component cover plate glass and solar battery component | |
| CN108461551A (en) | Solar cell and laminated double-glass solar cell module | |
| CN208608209U (en) | A kind of two-sided double glass photovoltaic modulies of slice | |
| CN102064222B (en) | Novel solar cell component cover plate glass and solar cell component | |
| CN107431100A (en) | Solar cell device, solar cell module and manufacture method | |
| CN117729788A (en) | Crystal silicon-perovskite laminated cell assembly | |
| CN105470347A (en) | PERC (PowerEdge RAID Controller) battery manufacturing method | |
| JP5968244B2 (en) | Photoelectric conversion module and manufacturing method thereof | |
| US20150000729A1 (en) | Solar cell with passivation layer and manufacturing method thereof | |
| CN218414594U (en) | Solar cell and photovoltaic module | |
| CN210443574U (en) | Packaging adhesive film and photovoltaic module obtained by packaging same | |
| CN209374463U (en) | Two-sided double glass solar photovoltaic assemblies | |
| CN207233755U (en) | A kind of black and white grid double-face component | |
| CN203049850U (en) | Solar cell curtain wall | |
| CN214588874U (en) | Photovoltaic module | |
| CN109326671A (en) | A kind of black and white grid double-face component | |
| CN201904345U (en) | Novel solar module glass cover and solar module | |
| CN209804682U (en) | Vertically-arranged tile-stacked double-glass photovoltaic assembly and photovoltaic system | |
| CN110581188A (en) | Solar cell piece, preparation method thereof and photovoltaic module | |
| CN211670198U (en) | Packaging adhesive film with grid structure | |
| JP2016517180A (en) | Solar cell module | |
| CN209729933U (en) | A kind of welding structure reducing the reflective loss of welding | |
| CN208077985U (en) | Solar cell and laminated double-glass solar cell module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |