CN107316911A - A kind of double glass photovoltaic modulies of vacuum - Google Patents
A kind of double glass photovoltaic modulies of vacuum Download PDFInfo
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- CN107316911A CN107316911A CN201710424771.7A CN201710424771A CN107316911A CN 107316911 A CN107316911 A CN 107316911A CN 201710424771 A CN201710424771 A CN 201710424771A CN 107316911 A CN107316911 A CN 107316911A
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- 239000011521 glass Substances 0.000 title claims abstract description 75
- 239000005341 toughened glass Substances 0.000 claims abstract description 79
- 241000446313 Lamella Species 0.000 claims abstract description 57
- 239000011248 coating agent Substances 0.000 claims abstract description 27
- 238000000576 coating method Methods 0.000 claims abstract description 27
- 230000002093 peripheral effect Effects 0.000 claims abstract description 13
- 230000006835 compression Effects 0.000 claims abstract description 6
- 238000007906 compression Methods 0.000 claims abstract description 6
- 239000003566 sealing material Substances 0.000 claims description 20
- 238000007789 sealing Methods 0.000 claims description 15
- 230000015572 biosynthetic process Effects 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 11
- 239000012528 membrane Substances 0.000 claims description 9
- 238000002360 preparation method Methods 0.000 claims description 9
- 229910000838 Al alloy Inorganic materials 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 238000007747 plating Methods 0.000 claims description 6
- 238000005086 pumping Methods 0.000 claims description 6
- 230000004927 fusion Effects 0.000 claims description 5
- 238000007639 printing Methods 0.000 claims description 5
- 239000000565 sealant Substances 0.000 claims description 5
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- 239000002313 adhesive film Substances 0.000 abstract description 9
- 238000006243 chemical reaction Methods 0.000 abstract description 9
- 238000005538 encapsulation Methods 0.000 abstract description 8
- 238000004806 packaging method and process Methods 0.000 abstract description 8
- 238000005265 energy consumption Methods 0.000 abstract description 7
- 238000013082 photovoltaic technology Methods 0.000 abstract description 2
- 210000004027 cell Anatomy 0.000 description 44
- 239000004519 grease Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000009466 transformation Effects 0.000 description 4
- 241000790917 Dioxys <bee> Species 0.000 description 3
- 229910003978 SiClx Inorganic materials 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000005357 flat glass Substances 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 210000003850 cellular structure Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 238000002834 transmittance Methods 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
- H01L31/02—Details
- H01L31/0216—Coatings
- H01L31/02161—Coatings for devices characterised by at least one potential jump barrier or surface barrier
- H01L31/02167—Coatings for devices characterised by at least one potential jump barrier or surface barrier for solar cells
-
- 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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention belongs to field of photovoltaic technology, specifically disclose a kind of double glass photovoltaic modulies of vacuum, including photovoltaic cell lamella, lower toughened glass layer below photovoltaic cell lamella, upper toughened glass layer above photovoltaic cell lamella, in compression, lower toughened glass layer and the laminate frame of photovoltaic cell lamella, seal coating is provided with the surrounding end of the double glass photovoltaic modulies of vacuum, photovoltaic cell lamella with it is upper, between lower toughened glass layer vacuum gap is formed after being evacuated at seal coating, the upper side of lower toughened glass layer is provided with the glass bar of some parallel arrangements, continuous peripheral projection is provided with the edge of upper side.The double glass photovoltaic modulies of vacuum of the present invention replace packaging adhesive film, encapsulation performance is good, and the high conversion rate of photovoltaic module, service life is long compared with existing pair of glass photovoltaic module by Vacuum Package, and encapsulation energy consumption is low.
Description
Technical field
The invention belongs to field of photovoltaic technology, and in particular to a kind of double glass photovoltaic modulies of vacuum.
Background technology
Double glass photovoltaic modulies refer to two sheet glass and solar battery sheet composition composite bed, solar battery sheet by wire string,
Parallel connection is pooled to the photovoltaic cell component of lead end formation.Advantage compared with common photovoltaic module is long lifespan generated energy
High, small, barrier property of decaying is good, attractive in appearance perfectly and Integration of building, can be more easy to reclaim, be difficult accumulated snow dust stratification, is not susceptible to
It is hidden to split.Degree is firmly bonded between two sheet glass and solar battery sheet to improve, between glass and solar battery sheet
Using packaging adhesive film, and because the adhesion strength of EVA adhesive film is good, durability is strong, optical characteristics is superior and is widely used in glass
Between glass and photovoltaic cell lamella.But the presence of the packaging adhesive film including EVA adhesive film can influence the sealing of photovoltaic module
Property, and block sunshine and influence the conversion efficiency of photovoltaic module, simultaneously because laminating machine laminating is needed during packaging adhesive film encapsulation,
Energy consumption is big.The sealing difference of photovoltaic module is easily caused to be infiltrated in outdoor by rainwater, vapor, grease etc., influences photovoltaic module
Service life.
Chinese patent CN2016201587722, a kind of pair of glass photovoltaic module of patent name, March 2 2016 date of application
Day, disclose includes the first glassy layer, the first encapsulated layer, double-sided solar battery lamella, the second encapsulated layer successively from top to bottom
With double glass photovoltaic modulies of the second glassy layer, wherein in the first glassy layer and the second glassy layer at least one glassy layer outer surface
Provided with the first filming layer, its inner surface is provided with the second film plating layer, the second film plating layer in latticed, the size and location of its mesh with
The size and location of cell piece in double-sided solar battery lamella is corresponded, and passes through the less light of the use of the first filming layer
Line reflection is gone out, by the use of the second film plating layer, and the light of partial illumination to the second film plating layer region will reflex to double again
On the solar cell lamella of face, so that more light are utilized by double-sided solar battery lamella and produce more electric energy, improve
The generating efficiency of double glass photovoltaic modulies.But it is due to be provided with the first encapsulated layer easily to keep the sun off and influence with the second encapsulated layer
The conversion efficiency of component, while the sealing property of photovoltaic module can also be affected.
The content of the invention
There is the problem of keeping the sun off and influence transformation efficiency, this hair for the packaging adhesive film in existing pair of glass photovoltaic module
Bright purpose is to provide a kind of vacuum double glass photovoltaic modulies, by the use of Vacuum Package alternative package glued membrane, improves and encapsulate
The conversion ratio of glued membrane, while good seal performance, effectively prevents from being immersed by rainwater, steam, grease located at outdoor photovoltaic module, carry
The service life of high photovoltaic module, and encapsulation energy consumption is low.
The present invention provides following technical scheme：
A kind of double glass photovoltaic modulies of vacuum, including photovoltaic cell lamella, the lower toughened glass layer below photovoltaic cell lamella,
The laminate of upper toughened glass layer, the upper and lower toughened glass layer of compression and photovoltaic cell lamella above photovoltaic cell lamella
Frame, in addition to the seal coating located at the surrounding end of the double glass photovoltaic modulies of vacuum, in photovoltaic cell lamella and upper and lower steel
Between change glassy layer vacuum gap is formed after being evacuated at seal coating.
The double glass photovoltaic modulies of the vacuum of the present invention replace the use of packaging adhesive film by Vacuum Package, it is possible to prevente effectively from envelope
Influence of the presence of glued membrane to photovoltaic module conversion ratio is filled, the conversion ratio of photovoltaic module, photovoltaic cell lamella and upper tempering is improved
Vacuum gap is formed between glassy layer and lower toughened glass layer, it is ensured that between photovoltaic cell lamella and upper and lower toughened glass layer
Be tightly fastened, lifted photovoltaic module the stability of a system.And continuous seal coating is improved on photovoltaic module surrounding end face
Sealing property in photovoltaic module, it is to avoid outdoor photovoltaic module is immersed by rainwater, steam, grease etc. and influences to use conversion ratio
And the life-span.
As a modification of the present invention, silica plated film of the downside provided with printing opacity of the lower toughened glass layer is applied
Layer.Light transmittance is improved, strengthens the conversion ratio of photovoltaic module.
As a modification of the present invention, the upper side of the lower toughened glass layer is provided with the glass of some parallel arrangements
Bar, is provided with continuous peripheral projection in the edge of upper side, and the height of wherein glass bar is that 0.5mm, width are 1.5 mm,
The height of peripheral projection is 0.5 mm.Solar battery sheet in photovoltaic cell lamella can be fixed on lower toughened glass layer
Between each glass bar, the space formed between the peripheral projection and glass bar of lower toughened glass layer is easily formed in application of vacuum
Good vacuum effectiveness, strengthens sealing property.
As a modification of the present invention, the laminate frame is white aluminum alloy frame.The aluminium alloy side of white
The reflecting properties of frame are good, contribute to the lifting of photovoltaic module efficiency.
A kind of preparation method of the double glass photovoltaic modulies of above-mentioned vacuum, comprises the following steps：
（1）Lower toughened glass layer is placed on laminated platform, and one provided with glass bar is placed on the side, by photovoltaic cell
Layer is laid in lower toughened glass layer, and then upper toughened glass layer is layed in above photovoltaic cell lamella and forms laminate；
（2）Sealing material formation seal coating, and the sealant of an end face wherein are continuously coated in the surrounding end face of laminate
Upper setting aspirating hole, is subsequently cooled to room temperature；
（3）Pumping makes to form vacuum gap between the photovoltaic cell lamella of laminate and upper and lower toughened glass layer at aspirating hole；
（4）Use step（2）In sealing material sealing aspirating hole and be cooled to room temperature；
（5）Laminate frame is pressed in laminate and obtains the double glass photovoltaic modulies of vacuum.
Sealing material formation seal coating is continuously coated in the surrounding end face of laminate, that is, plays sealing effectiveness, strengthens again
Bonding strength between photovoltaic cell lamella and upper and lower toughened glass layer, then will lamination after aspirating hole is evacuated and hermetically sealed
Part frame is pressed in laminate, with it is existing there is a situation where encapsulating film compared with, encapsulation energy consumption reduction.
Improved as one kind of the inventive method, step（2）The material of the material of middle sealing material and upper and lower toughened glass layer
It is identical, first by sealing material through high-temperature fusion during coating, the surrounding end of laminate is then continuously coated in again.On the one hand ensure
Good sealing property, on the other hand ensures good translucency.
Improved as one kind of the inventive method, the thickness of the seal coating is 1~5 mm.With good hardness,
Steadiness and translucency.
Improved as one kind of the inventive method, step（2）Middle aspirating hole is where the short side of upper and lower toughened glass layer
Laminate end face on, a diameter of 0.5~1.5 cm of aspirating hole.It is easy to be evacuated and obtains higher vacuum, and facilitates close
Envelope.
Improved as one kind of the inventive method, step（3）The vacuum of the vacuum gap of middle formation is 0.02~0.09
Mpa.Ensure being tightly fastened between photovoltaic cell lamella and upper and lower toughened glass layer, improve sealing, reduction lamination energy consumption.
A kind of double applications of the glass photovoltaic module in distributed photovoltaic system of above-mentioned vacuum.Applied to distributed photovoltaic system
The operational reliability of photovoltaic system is effectively lifted in system.
Beneficial effects of the present invention are as follows：
The double glass photovoltaic modulies of the vacuum of the present invention, by the use of Vacuum Package alternative package glued membrane, improve turning for packaging adhesive film
Rate, while good seal performance, effectively prevents from being immersed by rainwater, steam, grease located at outdoor photovoltaic module, improve photovoltaic group
The service life of part, and encapsulation energy consumption is low.
Brief description of the drawings
Fig. 1 is the cross sectional structural views of the double glass photovoltaic modulies of vacuum of the present invention.
Fig. 2 is the topology view of the upper side of lower toughened glass layer.
Fig. 3 is the topology view at A-A in Fig. 2.
In figure：1st, photovoltaic cell lamella, 2, upper toughened glass layer, 3, lower toughened glass layer, 31, peripheral projection, 32, glass
Bar, 33, silica plating membrane coat, 4, seal coating, 5, laminate frame.
Embodiment
Just the embodiment of the present invention is described further below.
Embodiment 1
As shown in figure 1, a kind of double glass photovoltaic modulies of vacuum, including photovoltaic cell lamella 1, below photovoltaic cell lamella under
Toughened glass layer 3, the upper toughened glass layer 2 above photovoltaic cell lamella, the upper and lower toughened glass layer of compression and photovoltaic cell
The laminate frame 5 of lamella, in addition to the seal coating 4 located at the surrounding end of the double glass photovoltaic modulies of vacuum, in photovoltaic electric
Between pond lamella and upper and lower toughened glass layer vacuum gap is formed after being evacuated at seal coating.
For ease of fixed photovoltaic cell lamella, prevent from sliding between upper and lower toughened glass layer and photovoltaic cell lamella,
As shown in Fig. 2 the upper side of lower toughened glass layer is provided with the glass bar 32 of some parallel arrangements, set in the edge of upper side
There is a continuous peripheral projection 31, the height of wherein glass bar is that 0.5mm, width are 1.5 mm, and the height of peripheral projection is 0.5
mm.To improve the translucency of lower toughened glass layer, as shown in figure 3, being provided with the dioxy of printing opacity in the downside of lower toughened glass layer
SiClx plates membrane coat 33.For the transformation efficiency of the double glass photovoltaic modulies of lifting vacuum, laminate frame is preferably the aluminium alloy of white
Frame.
A kind of preparation method of the double glass photovoltaic modulies of above-mentioned vacuum, comprises the following steps：
（1）Lower toughened glass layer is placed on laminated platform, and one provided with glass bar is placed on the side, by photovoltaic cell
Layer is laid in lower toughened glass layer, and then upper toughened glass layer is layed in above photovoltaic cell lamella and forms laminate；
（2）Sealing material formation seal coating, and the sealant of an end face wherein are continuously coated in the surrounding end face of laminate
Aspirating hole is provided with, room temperature is subsequently cooled to, the wherein material of sealing material is identical with the material of upper and lower toughened glass layer, coated
When first by sealing material through high-temperature fusion, the surrounding end of laminate is then continuously coated in again, the thickness of seal coating is preferred
For 2mm, aspirating hole is preferably disposed on the end face where the short side of upper and lower toughened glass layer, a diameter of 1 cm of aspirating hole；
（3）Pumping makes to form vacuum gap between the photovoltaic cell lamella of laminate and upper and lower toughened glass layer at aspirating hole；
（4）Use step（2）In sealing material sealing aspirating hole and be cooled to room temperature, make step（3）The vacuum gap of middle formation
Vacuum be 0.02 Mpa；
（5）Laminate frame is pressed in laminate and obtains the double glass photovoltaic modulies of vacuum.
Double applications of the glass photovoltaic module in distributed photovoltaic system of a kind of above-mentioned vacuum, effectively to lift photovoltaic system
Operational reliability.
Embodiment 2
As shown in figure 1, a kind of double glass photovoltaic modulies of vacuum, including photovoltaic cell lamella 1, below photovoltaic cell lamella under
Toughened glass layer 3, the upper toughened glass layer 2 above photovoltaic cell lamella, the upper and lower toughened glass layer of compression and photovoltaic cell
The laminate frame 5 of lamella, in addition to the seal coating 4 located at the surrounding end of the double glass photovoltaic modulies of vacuum, in photovoltaic electric
Between pond lamella and upper and lower toughened glass layer vacuum gap is formed after being evacuated at seal coating.
For ease of fixed photovoltaic cell lamella, prevent from sliding between upper and lower toughened glass layer and photovoltaic cell lamella,
As shown in Fig. 2 the upper side of lower toughened glass layer is provided with the glass bar 32 of some parallel arrangements, set in the edge of upper side
There is a continuous peripheral projection 31, the height of wherein glass bar is that 0.5mm, width are 1.5 mm, and the height of peripheral projection is 0.5
mm.To improve the translucency of lower toughened glass layer, as shown in figure 3, being provided with the dioxy of printing opacity in the downside of lower toughened glass layer
SiClx plates membrane coat 33.For the transformation efficiency of the double glass photovoltaic modulies of lifting vacuum, laminate frame is preferably the aluminium alloy of white
Frame.
A kind of preparation method of the double glass photovoltaic modulies of above-mentioned vacuum, comprises the following steps：
（1）Lower toughened glass layer is placed on laminated platform, and one provided with glass bar is placed on the side, by photovoltaic cell
Layer is laid in lower toughened glass layer, and then upper toughened glass layer is layed in above photovoltaic cell lamella and forms laminate；
（2）Sealing material formation seal coating, and the sealant of an end face wherein are continuously coated in the surrounding end face of laminate
Aspirating hole is provided with, room temperature is subsequently cooled to, the wherein material of sealing material is identical with the material of upper and lower toughened glass layer, coated
When first by sealing material through high-temperature fusion, the surrounding end of laminate is then continuously coated in again, the thickness of seal coating is preferred
For 1mm, aspirating hole is preferably disposed on the end face where the short side of upper and lower toughened glass layer, a diameter of 0.5 cm of aspirating hole；
（3）Pumping makes to form vacuum gap between the photovoltaic cell lamella of laminate and upper and lower toughened glass layer at aspirating hole；
（4）Use step（2）In sealing material sealing aspirating hole and be cooled to room temperature, make step（3）The vacuum gap of middle formation
Vacuum be 0.05 Mpa；
（5）Laminate frame is pressed in laminate and obtains the double glass photovoltaic modulies of vacuum.
Double applications of the glass photovoltaic module in distributed photovoltaic system of a kind of above-mentioned vacuum, effectively to lift photovoltaic system
Operational reliability.
Embodiment 3
As shown in figure 1, a kind of double glass photovoltaic modulies of vacuum, including photovoltaic cell lamella 1, below photovoltaic cell lamella under
Toughened glass layer 3, the upper toughened glass layer 2 above photovoltaic cell lamella, the upper and lower toughened glass layer of compression and photovoltaic cell
The laminate frame 5 of lamella, in addition to the seal coating 4 located at the surrounding end of the double glass photovoltaic modulies of vacuum, in photovoltaic electric
Between pond lamella and upper and lower toughened glass layer vacuum gap is formed after being evacuated at seal coating.
For ease of fixed photovoltaic cell lamella, prevent from sliding between upper and lower toughened glass layer and photovoltaic cell lamella,
As shown in Fig. 2 the upper side of lower toughened glass layer is provided with the glass bar 32 of some parallel arrangements, set in the edge of upper side
There is a continuous peripheral projection 31, the height of wherein glass bar is that 0.5mm, width are 1.5 mm, and the height of peripheral projection is 0.5
mm.To improve the translucency of lower toughened glass layer, as shown in figure 3, being provided with the dioxy of printing opacity in the downside of lower toughened glass layer
SiClx plates membrane coat 33.For the transformation efficiency of the double glass photovoltaic modulies of lifting vacuum, laminate frame is preferably the aluminium alloy of white
Frame.
A kind of preparation method of the double glass photovoltaic modulies of above-mentioned vacuum, comprises the following steps：
（1）Lower toughened glass layer is placed on laminated platform, and one provided with glass bar is placed on the side, by photovoltaic cell
Layer is laid in lower toughened glass layer, and then upper toughened glass layer is layed in above photovoltaic cell lamella and forms laminate；
（2）Sealing material formation seal coating, and the sealant of an end face wherein are continuously coated in the surrounding end face of laminate
Aspirating hole is provided with, room temperature is subsequently cooled to, the wherein material of sealing material is identical with the material of upper and lower toughened glass layer, coated
When first by sealing material through high-temperature fusion, the surrounding end of laminate is then continuously coated in again, the thickness of seal coating is preferred
For 5mm, aspirating hole is preferably disposed on the end face where the short side of upper and lower toughened glass layer, a diameter of 1.5cm of aspirating hole；
（3）Pumping makes to form vacuum gap between the photovoltaic cell lamella of laminate and upper and lower toughened glass layer at aspirating hole；
（4）Use step（2）In sealing material sealing aspirating hole and be cooled to room temperature, make step（3）The vacuum gap of middle formation
Vacuum be 0.09 Mpa；
（5）Laminate frame is pressed in laminate and obtains the double glass photovoltaic modulies of vacuum.
Double applications of the glass photovoltaic module in distributed photovoltaic system of a kind of above-mentioned vacuum, effectively to lift photovoltaic system
Operational reliability.
The double glass photovoltaic modulies of vacuum of the present invention replace packaging plastic compared with existing pair of glass photovoltaic module by Vacuum Package
Film, encapsulation performance is good, and the high conversion rate of photovoltaic module, service life is long, and encapsulation energy consumption is low.
Claims (10)
1. the double glass photovoltaic modulies of a kind of vacuum, it is characterised in that including photovoltaic cell lamella, below photovoltaic cell lamella
Lower toughened glass layer, the upper toughened glass layer above photovoltaic cell lamella, the upper and lower toughened glass layer of compression and photovoltaic cell
The laminate frame of lamella, in addition to the seal coating located at the surrounding end of the double glass photovoltaic modulies of vacuum, in photovoltaic cell
Between lamella and upper and lower toughened glass layer vacuum gap is formed after being evacuated at seal coating.
2. the double glass photovoltaic modulies of vacuum according to claim 1, it is characterised in that the downside of the lower toughened glass layer
Silica plating membrane coat provided with printing opacity.
3. the double glass photovoltaic modulies of vacuum according to claim 2, it is characterised in that the upper side of the lower toughened glass layer
Glass bar provided with some parallel arrangements, the height of continuous peripheral projection, wherein glass bar is provided with the edge of upper side
Degree is that 0.5mm, width are 1.5 mm, and the height of peripheral projection is 0.5 mm.
4. the double glass photovoltaic modulies of vacuum according to claim 1, it is characterised in that the laminate frame is white aluminium
Alloy frame.
5. a kind of preparation method of the double glass photovoltaic modulies of vacuum as described in Claims 1-4 is any, comprises the following steps：
（1）Lower toughened glass layer is placed on laminated platform, and one provided with glass bar is placed on the side, by photovoltaic cell
Layer is laid in lower toughened glass layer, and then upper toughened glass layer is layed in above photovoltaic cell lamella and forms laminate；
（2）Sealing material formation seal coating, and the sealant of an end face wherein are continuously coated in the surrounding end face of laminate
Aspirating hole is provided with, room temperature is subsequently cooled to；
（3）Pumping makes to form vacuum gap between the photovoltaic cell lamella of laminate and upper and lower toughened glass layer at aspirating hole；
（4）Use step（2）In sealing material sealing aspirating hole and be cooled to room temperature；
（5）Laminate frame is pressed in laminate and obtains the double glass photovoltaic modulies of vacuum.
6. the preparation method of the double glass photovoltaic modulies of vacuum according to claim 5, it is characterised in that step（2）Middle sealing
The material of material is identical with the material of upper and lower toughened glass layer, first by sealing material through high-temperature fusion, then continuous coating again during coating
In the surrounding end of laminate.
7. the preparation method of the double glass photovoltaic modulies of vacuum according to claim 5 or 6, it is characterised in that the sealing is applied
The thickness of layer is 1~5 mm.
8. the preparation method of the double glass photovoltaic modulies of vacuum according to claim 5, it is characterised in that step（2）Middle pumping
Hole is on the end face of the laminate where the short side of upper and lower toughened glass layer, a diameter of 0.5~1.5 cm of aspirating hole.
9. the preparation method of the double glass photovoltaic modulies of vacuum according to claim 5, it is characterised in that step（3）It is middle to be formed
Vacuum gap vacuum be 0.02~0.09 Mpa.
10. a kind of double applications of the glass photovoltaic module in distributed photovoltaic system of vacuum as described in right 1 to 4 is any.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710424771.7A CN107316911A (en) | 2017-06-07 | 2017-06-07 | A kind of double glass photovoltaic modulies of vacuum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710424771.7A CN107316911A (en) | 2017-06-07 | 2017-06-07 | A kind of double glass photovoltaic modulies of vacuum |
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| Publication Number | Publication Date |
|---|---|
| CN107316911A true CN107316911A (en) | 2017-11-03 |
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|---|---|---|---|
| CN201710424771.7A Pending CN107316911A (en) | 2017-06-07 | 2017-06-07 | A kind of double glass photovoltaic modulies of vacuum |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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