CN207503990U - A kind of two-sided double glass photovoltaic component glass backboards and two-sided double glass photovoltaic modulies - Google Patents
A kind of two-sided double glass photovoltaic component glass backboards and two-sided double glass photovoltaic modulies Download PDFInfo
- Publication number
- CN207503990U CN207503990U CN201721750917.9U CN201721750917U CN207503990U CN 207503990 U CN207503990 U CN 207503990U CN 201721750917 U CN201721750917 U CN 201721750917U CN 207503990 U CN207503990 U CN 207503990U
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- CN
- China
- Prior art keywords
- glass
- photovoltaic
- sided double
- cell piece
- plate body
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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 discloses a kind of two-sided double glass photovoltaic component glass backboards and two-sided double glass photovoltaic modulies, the glass back plate, including glass plate body, the glass plate body includes the battery one layout region for typesetting photovoltaic cell, it is characterized in that, the material of the glass plate body is ultra-clear glasses, the battery one layout region includes multiple battery panel regions corresponding with cell piece each in photovoltaic cell respectively and the cell piece gap area between cell piece, the battery panel region internal pressure has pattern structure, and the cell piece gap area is without pattern structure.Two-sided double glass photovoltaic modulies load in itself and mechanical performance will not change in the utility model, the smooth no decorative pattern of cell piece gap area of glass back plate so that be improved after the region screen print coating with encapsulating material adhesive property.And the silk-screen printing reflectance coating in glass back plate cell piece gap area can make full use of the light through cell piece gap area, improve component power.
Description
Technical field
The utility model belongs to technical field of solar, and in particular to a kind of two-sided double glass photovoltaic component glass backboards and double
The double glass photovoltaic modulies in face.
Background technology
Solar energy industry just worldwide flourishes as a kind of low-carbon regenerative resource, various countries' installation by
Year increases.The case for installing photovoltaic system on ground and various types roof at present is very more.For all types of buildings, peace
The photovoltaic products that harness has generating function can reduce building electricity consumption energy consumption, achieve the effect that energy-saving and emission-reduction, while also be building
Owner and system install and use people and bring economic benefit, therefore have very much promotional value.
Photovoltaic module is from top to bottom successively by 5 layers of foreboard, EVA, solar battery sheet, EVA and backboard structure composition.Mesh
The back-panel glass of preceding existing photovoltaic module, mostly using common float glass process tempered glass.Such as 106601842 A of Publication No. CN
Patent document disclose a kind of solar double-glass assemblies of low work(damage, the solar double-glass assemblies are equipped with super white patterned tempering successively from top to bottom
Glass, the first EVA adhesive film layer, cell piece, the second EVA adhesive film layer, float glass；The float glass back side be coated with one layer it is milky white
The high-temperature glaze of color, the high-temperature glaze thickness are 300~500 microns.It is growing with double-side cell technology, two-sided double glass by
Gradually approved by market, since two-sided double glass two sides can generate electricity, back-panel glass need to use ultra-clear glasses, but due to two-sided double glass
Due to that cannot use white EVA, the light in cell piece gap cannot make full use of, and be easy to cause double glass photovoltaic module power losses,
Thus there is silk-screen printing white glass, but silk-screen printing is carried out on energy ultrawhite figured glass, reflecting coating cannot be sufficient filling with
Decorative pattern, therefore hidden danger is brought to the reliability of solar double-glass assemblies.
Utility model content
To solve the above-mentioned problems, the utility model provides a kind of two-sided double glass photovoltaic component glass backboards, fully profit
With luminous energy, the loss late of photovoltaic module power is reduced.
The technical solution of the utility model is：A kind of two-sided double glass photovoltaic component glass backboards, it is described including glass plate body
Glass plate body includes the battery one layout region for typesetting photovoltaic cell, and the material of the glass plate body is ultra-clear glasses, described
Battery one layout region includes multiple battery panel regions corresponding with cell piece each in photovoltaic cell respectively and positioned at cell piece
Between cell piece gap area, the battery panel region internal pressure has a pattern structure, without decorative pattern in the cell piece gap area
Structure.
It can facilitate subsequent silk-screen printing without pattern structure in cell piece gap area in the utility model.
In the utility model there are many pattern structures, preferably, the shape of the pattern structure is Pyramid, bee
Nest shape or diamond shape.
Preferably, the thickness of the glass plate body is 0.5~3.2mm.
Preferably, silk-screen printing is further included in the reflectance coating on glass plate body.In cell piece gap area screen printing
Brush reflectance coating can make full use of the light through cell piece gap area, improve component power.
The raw material of reflectance coating can select a variety of in the utility model, preferably, the raw material of the reflectance coating is
Low temperature glaze or modified TiO2。
The utility model additionally provides a kind of two-sided double glass photovoltaic modulies, including be from top to bottom sequentially arranged foreboard, the
One encapsulating material layer, double-side cell, the second encapsulating material layer and backboard, the backboard are above-mentioned two-sided double glass photovoltaic modulies
Glass back plate.
Preferably, the material of first encapsulating material layer and the second encapsulating material layer is POE, EVA, PVB or has
Machine silica gel.
Preferably, the double-side cell is N-type photovoltaic cell, p-type photovoltaic cell, IBC photovoltaic cells or HJT photovoltaic electrics
Pond.
Preferably, the material of the foreboard is super white patterned coated glass or ultra-white float glass.
Compared with prior art, the beneficial effects of the utility model are embodied in：
Two-sided double glass photovoltaic modulies load in itself and mechanical performance will not change in the utility model, the glass back of the body
The smooth no decorative pattern of cell piece gap area of plate so that improved after the region screen print coating with encapsulating material adhesive property.
And the silk-screen printing reflectance coating in glass back plate cell piece gap area, can make full use of through cell piece gap area
Light improves component power.
Description of the drawings
Fig. 1 is the structure diagram of two-sided double glass photovoltaic modulies of the utility model.
Fig. 2 is the structure diagram of the utility model dorsulum.
Specific embodiment
Embodiment 1
As shown in Figure 1, the utility model includes the foreboard 1 being from top to bottom sequentially arranged, the first encapsulating material layer 2, two-sided
Battery 3, the second encapsulating material layer 4 and backboard 5.The wherein material of the first encapsulating material layer 2 and the second encapsulating material layer 4 is
POE, EVA, PVB or organic silica gel, double-side cell 3 are N-type photovoltaic cell, p-type photovoltaic cell, IBC photovoltaic cells or HJT light
Lie prostrate battery.
Wherein, as shown in Fig. 2, the utility model dorsulum 5 includes glass plate body, under normal circumstances, the thickness of glass plate body
It spends for 0.5~3.2mm.Glass plate body includes the battery one layout region for typesetting photovoltaic cell, and the material of glass plate body is super
White glass, preferably energy ultrawhite figured glass.Battery one layout region includes multiple corresponding with cell piece each in photovoltaic cell respectively
Battery panel region 51 and the cell piece gap area 52 between cell piece, be pressed with decorative pattern knot in battery panel region 51
Structure, cell piece gap area 52 is without pattern structure.
Cell piece gap area 52 can facilitate subsequent silk-screen printing without pattern structure in the utility model.And this
In utility model there are many pattern structures, such as the shape of pattern structure can be Pyramid, honeycomb shape or diamond shape shape
Shape.
Reflectance coating is also brushed with by screen printing on glass plate body.It reflects and applies in 52 silk-screen printing of cell piece gap area
Layer can make full use of the light through cell piece gap area 52, improve component power.The raw material of reflectance coating in the utility model
It can select a variety of, such as the raw material of reflectance coating can be low temperature glaze or modified TiO2.
Cell piece uses the double-side cell 3 that Trina Solar produces, the first encapsulating material layer 2 and the second encapsulation in the present embodiment
For the encapsulating material of layer using POE, foreboard 1 is 2.5mm super white patterned coated glass, and backboard 5 is the energy ultrawhite figured glass of 2.5mm,
Pattern structure is cellular.Battery component spacing：Spacing between cell piece and cell piece is 2.5mm, battery strings and battery strings
Between spacing be 3.5mm.When silk-screen printing white low temperature glaze on the glass plate body of backboard 5 carries out tempering processing, reflectivity>
85%, and after 52 silk-screen printing tempering of cell piece gap area with the pulling-out force of POE be 215N/cm, battery panel region 51
After wire mark brush tempering with the pulling-out force of POE be 203N/cm.Cell piece gap area 52 and the silk-screen printing phase of battery panel region 51
Than, after 52 screen print coating of cell piece gap area with encapsulating material adhesive property higher.
Embodiment 2
This comparative example dorsulum use unreflected 2.5mm after energy ultrawhite figured glass, using identical series system with
Laminating technology, remaining structure is same as Example 1,
, it can be seen that embodiment 1 is sent out than 2 front power ascension 4.85W of embodiment with the back side from the power data of table 1
Electricity gain is calculated by 20%, back side power reduction 2.64W, positive power gain 4.85W in embodiment 1, and back side power gain-
2.64W, entire gain 2.21W.(normative testing under the STC environment that power test is required in IEC61215)
Table 1
| Front power/W | Back side power/W | |
| Embodiment 1 | 296.95 | 216.46 |
| Embodiment 2 | 292.10 | 219.10 |
Embodiment 3
Foreboard in embodiment 1 is replaced with to the ultra-white float glass of thickness 2.0mm, backboard replaces with the super of thickness 2.0mm
White pattern glass, the patterned structure in backboard are pyramid decorative pattern, silk screen of the cell piece gap area without decorative pattern flattened region
The reflectance coating of printing is modified TiO2, tempering back reflection rate>80%, other structures are the same as embodiment 1.
After tested, at identical conditions, the component that backboard is obtained using silk-screen printing reflectance coating is than transparent double face group
Part entire gain 2.05W.
Claims (9)
1. a kind of two-sided double glass photovoltaic component glass backboards, including glass plate body, the glass plate body is included for typesetting photovoltaic
The battery one layout region of battery, which is characterized in that the material of the glass plate body be ultra-clear glasses, the battery one layout region packet
It includes between multiple battery panel regions corresponding with cell piece each in photovoltaic cell respectively and cell piece between cell piece
Gap region, the battery panel region internal pressure have pattern structure, and the cell piece gap area is without pattern structure.
2. two-sided double glass photovoltaic component glass backboards as described in claim 1, which is characterized in that the shape of the pattern structure
For Pyramid, honeycomb shape or diamond shape.
3. two-sided double glass photovoltaic component glass backboards as described in claim 1, which is characterized in that the thickness of the glass plate body
For 0.5~3.2mm.
4. two-sided double glass photovoltaic component glass backboards as described in claims 1 to 3 is any, which is characterized in that further include silk screen
The reflectance coating being printed on glass plate body.
5. two-sided double glass photovoltaic component glass backboards as claimed in claim 4, which is characterized in that the raw material of the reflectance coating
For low temperature glaze or modified TiO2。
6. a kind of two-sided double glass photovoltaic modulies, including the foreboard, the first encapsulating material layer, two-sided electricity being from top to bottom sequentially arranged
Pond, the second encapsulating material layer and backboard, which is characterized in that the backboard is any two-sided double glass of Claims 1 to 5
Photovoltaic component glass backboard.
7. two-sided double glass photovoltaic modulies as claimed in claim 6, which is characterized in that first encapsulating material layer and the second envelope
The material of package material layer is POE, EVA, PVB or organic silica gel.
8. two-sided double glass photovoltaic modulies as claimed in claims 6 or 7, which is characterized in that the double-side cell is N-type photovoltaic electric
Pond, p-type photovoltaic cell, IBC photovoltaic cells or HJT photovoltaic cells.
9. two-sided double glass photovoltaic modulies as claimed in claim 6, which is characterized in that the material of the foreboard is super white patterned plating
Film glass or ultra-white float glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721750917.9U CN207503990U (en) | 2017-12-14 | 2017-12-14 | A kind of two-sided double glass photovoltaic component glass backboards and two-sided double glass photovoltaic modulies |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721750917.9U CN207503990U (en) | 2017-12-14 | 2017-12-14 | A kind of two-sided double glass photovoltaic component glass backboards and two-sided double glass photovoltaic modulies |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207503990U true CN207503990U (en) | 2018-06-15 |
Family
ID=62509650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721750917.9U Withdrawn - After Issue CN207503990U (en) | 2017-12-14 | 2017-12-14 | A kind of two-sided double glass photovoltaic component glass backboards and two-sided double glass photovoltaic modulies |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207503990U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107863407A (en) * | 2017-12-14 | 2018-03-30 | 天合光能股份有限公司 | A kind of two-sided double glass photovoltaic component glass backboards and two-sided double glass photovoltaic modulies |
| CN110254062A (en) * | 2019-06-27 | 2019-09-20 | 浙江晶科能源有限公司 | A kind of solar cell silk screen printing method and photovoltaic module |
| CN110682395A (en) * | 2018-07-05 | 2020-01-14 | 张伟 | Method for preparing enamel coating on surface of photovoltaic cell by using 3D printing technology |
-
2017
- 2017-12-14 CN CN201721750917.9U patent/CN207503990U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107863407A (en) * | 2017-12-14 | 2018-03-30 | 天合光能股份有限公司 | A kind of two-sided double glass photovoltaic component glass backboards and two-sided double glass photovoltaic modulies |
| CN110682395A (en) * | 2018-07-05 | 2020-01-14 | 张伟 | Method for preparing enamel coating on surface of photovoltaic cell by using 3D printing technology |
| CN110254062A (en) * | 2019-06-27 | 2019-09-20 | 浙江晶科能源有限公司 | A kind of solar cell silk screen printing method and photovoltaic module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180615 Effective date of abandoning: 20200204 |
|
| AV01 | Patent right actively abandoned |