CN102602114A - Thin and light solar laminate and production process thereof - Google Patents
Thin and light solar laminate and production process thereof Download PDFInfo
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- CN102602114A CN102602114A CN2012100632549A CN201210063254A CN102602114A CN 102602114 A CN102602114 A CN 102602114A CN 2012100632549 A CN2012100632549 A CN 2012100632549A CN 201210063254 A CN201210063254 A CN 201210063254A CN 102602114 A CN102602114 A CN 102602114A
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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
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The invention provides a production process for a light and thin solar laminate. The production process includes steps: carrying out pretreatment at first, neatly stacking at least one epoxy resin plate, placing the epoxy resin plates into a laminating machine to vacuumize and laminate the epoxy resin plates and naturally cooling the epoxy resin plates in air after the epoxy resin plates are laminated; neatly stacking at least one transparent PET (polyethylene terephthalate) film, placing the transparent PET films into the laminating machine to vacuumize and laminate the transparent PET films, and naturally cooling the transparent PET films in the air after the transparent PET films are laminated; and laminating the pre-treated epoxy resin plates, the pre-treated transparent PET films, an EVA (ethylene vinyl copolymer) film and a solar cell after the pre-treated epoxy resin plates, the pre-treated transparent PET films, the EVA film and the solar cell are stacked, and obtaining the thin and light solar laminate. The production process of the light and thin solar laminate is technically improved, deformation of various materials during the last laminating forming process is reduced due to the pretreatment of the raw materials, and accordingly deformation of the light and thin solar laminate is reduced and even eliminated.
Description
Technical field
The present invention relates to field of photovoltaic power generation, particularly a kind of production technology of light and thin type solar energy layer pressing plate.
Background technology
Because global energy crisis and environmental problem is increasingly serious; Be accompanied by the promotion of people for the life idea of green, energy-saving and environmental protection; And national governments are to the vigorously supporting of new energy field, and the solar electrical energy generation industry had obtained very big development in recent years.
Solar battery sheet utilizes photovoltaic effect to convert solar energy into electric energy.The type of existing solar battery sheet includes crystalline silicon, non-crystalline silicon, hull cell etc.; Wherein crystalline silicon is because its generating efficiency is high; The industrialization level advantages of higher becomes the main product of field of solar thermal power generation, from the Application of Solar Energy product of minimal type; Until other large-sized solar power station of MW class, adopt the solar panel of crystalline silicon more.
Since crystal silicon solar cell sheet frangible, can not bending etc. characteristics, its packaging technology has been proposed higher requirement.Crystal silicon solar energy battery packaging technology commonly used at present utilizes the high temperature lamination to accomplish for utilizing safety glass, EVA film and TPT backboard.This solar energy lamination assembly flatness is high, and structure is firm, and efficiency losses is little, but weight is big, is fit to make the bigger solar components of power.
Along with the use of solar energy generation technology in the compact applications product, the outer charger of domestic solar for example, solar module in light weight, that outward appearance good, the scale of construction is thin becomes a kind of new demand.One Chinese patent application number is 200610038976.3 to have announced that a kind of utilization drips the mode that glue encapsulates solar components, and its technology is full-fledged, the solar panels that utilize this method to make; Appearance looks elegant, weight is lighter, the mobility constraints of glue but weak point is; During solar panels more than making 5W; Be difficult to let glue cover on the solar panels uniformly, and if add excessive glue for glue can be covered comprehensively, then when heating, form the glue that overflows around the substrate easily; And cooled excessive glue is difficult to be removed, and causes presentation quality poor.Therefore, this kind packaging technology can only be made less solar components, is generally the solar components less than 5W.
One Chinese patent application number is 200810242562.1 to have announced a kind of technology of utilizing thin polymer film to carry out the solar components encapsulation.It is characterized in that utilizing the TPT backboard in the epoxy resin board replacement simple glass assembly, utilize the TPT plate to replace the safety glass in the existing assembly, thereby reduce its weight.Yet; When producing powerful solar components; Make that easily solar panels occur bending and deformation, the solar panels after the distortion are difficult to shaping, and easily encapsulation solar energy sheet are wherein caused influences such as fracture; Therefore this manufacture craft also is only to be suitable for producing the less solar components of power, is generally the solar components less than 5W.
Summary of the invention
The technical problem that the present invention will solve is: big in order to solve traditional solar energy glass assembly weight; Traditional solar energy drips the defective that glue assembly and traditional laminating technology can not be produced high-power solar components in enormous quantities; The present invention provides a kind of production technology of light and thin type solar energy layer pressing plate; Through increasing raw-material preliminary treatment, reduced the deformation of various materials when in the end laminated into type together, thereby can produce the solar energy layer pressing plate of any power in enormous quantities.
The technical solution adopted for the present invention to solve the technical problems is: a kind of production technology of light and thin type solar energy layer pressing plate, and its processing step is:
A. preliminary treatment:
Preliminary treatment 1: will be at least a slice epoxy resin board stack neatly, put into that laminating machine vacuumizes, lamination, behind the lamination epoxy resin board is cooled off in air naturally;
Preliminary treatment 2: will be at least a slice clear PET film stack neatly, put into that laminating machine vacuumizes, lamination, behind the lamination clear PET film is cooled off in air naturally;
B. lamination: get a ultrawhite safety glass; Solar battery sheet, a slice upper strata eva film and a slice that clear PET film, a slice lower floor eva film, the welding of preliminary treatment 2 gained are good among a slice that tiles successively from bottom to up above the ultrawhite safety glass process step a is by the epoxy resin board of preliminary treatment 1 gained among the step a; Be fixed on the ultrawhite safety glass with the epoxy resin board of adhesive tape, spread one deck high temperature cloth at last topmost the superiors;
C. lamination: will put into the laminating machine lamination by the solar components of step b gained, lamination process removes safety glass and high temperature cloth after accomplishing, and cuts out the waste material that goes periphery unnecessary, obtains light and thin type solar energy layer pressing plate.
The epoxy resin board that stacks in the preliminary treatment 1 among the said step a is the 1-10 sheet, and the clear PET film that stacks in the preliminary treatment 2 is the 1-50 sheet.
The hair side of the described the upper and lower eva film among the said step b is all towards said solar battery sheet, and when lamination, the sensitive surface of described solar battery sheet is towards said clear PET film.
Concrete, the laminating parameters of preliminary treatment 1 is among the step a: the pumpdown time is 3-5 minute, and laminating temperature is 132-138 ℃, and the lamination time is 3-5 minute, the lamination pressure value is 0～-90kPa; The laminating parameters of preliminary treatment 2 is: pumpdown time 2-3 minute; Temperature 132-138 ℃, 3-5 minute lamination time, the lamination pressure value is 0～-20kPa; The laminating parameters of step c is: pumpdown time 4-7 minute; Temperature 138-142 ℃, 8-12 minute lamination time, the lamination pressure value is-10～-40kPa.
Concrete, the periphery of described clear PET film greater than the epoxy resin board periphery each more than the 2cm, thereby overcome the offset deviation of each layer when vacuumizing of laminated compenent; The periphery of the eva film of said the upper and lower greater than epoxy resin board periphery each more than the 0.5cm, thereby eva film can flow to uniformly after the high temperature melting epoxy resin board around, avoided the generation of bubble around the epoxy resin board; The periphery of said ultrawhite safety glass greater than said epoxy resin board periphery each more than the 5cm, thereby guarantee the flatness of assembly surface.
The solar energy layer pressing plate that a kind of production technology of solar energy layer pressing plate of above-mentioned light and thin type is produced; Comprise stacking gradually epoxy resin board, upper strata eva film, solar battery sheet, lower floor's eva film and the clear PET film of arranging from top to bottom, form through heat zone press seal dress.
The invention has the beneficial effects as follows; The production technology of light and thin type solar energy layer pressing plate of the present invention has been carried out process modification; Through increasing raw-material preliminary treatment, reduced the deformation of various materials when in the end laminated into type together, thereby reduced even eliminated the deformation of light and thin type solar energy layer pressing plate; Protected the battery sheet of interior of laminates better; Greatly improved the yield rate of laminate, also make power bracket that the solar energy layer pressing plate of this light and thin type can be mass-produced from before 5W below expand to identically with common solar energy glass assembly, improved the range of application of light and thin type solar panel greatly.
The solar energy layer pressing plate light weight that the production technology of light and thin type solar energy layer pressing plate is produced, thin thickness, power can be adjusted arbitrarily according to client's needs, helps the transportation of solar energy layer pressing plate and applies.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
Fig. 1 is the structural representation of light and thin type solar energy layer pressing plate of the present invention.
Among the figure: 1. epoxy resin board, 2. upper strata eva film, 3. solar battery sheet, 4. lower floor's eva film, 5. clear PET film.
The specific embodiment
Combine accompanying drawing that the present invention is done further detailed explanation now.These accompanying drawings are the sketch map of simplification, basic structure of the present invention only is described in a schematic way, so it only show the formation relevant with the present invention.
The present invention relates to a kind of production technology of light and thin type solar energy layer pressing plate, its processing step is:
A. preliminary treatment:
Preliminary treatment 1: a slice epoxy resin board 1 stacks neatly at least; Put into that laminating machine vacuumizes, lamination; With epoxy resin board 1 cooling naturally in air, laminating parameters is: the pumpdown time is 3-5 minute behind the lamination, and laminating temperature is 132-138 ℃; The lamination time is 3-5 minute, the lamination pressure value is 0～-90kPa;
Preliminary treatment 2: a slice clear PET film 5 stacks neatly at least; Put into that laminating machine vacuumizes, lamination; With clear PET film 5 cooling naturally in air, laminating parameters is behind the lamination: pumpdown time 2-3 minute, and temperature 132-138 ℃; 3-5 minute lamination time, the lamination pressure value is 0～-20kPa;
B. lamination: get a ultrawhite safety glass; The a slice that tiles successively from bottom to up above the ultrawhite safety glass is through the clear PET film 5 of preliminary treatment 2 gained among the step a, and a slice lower floor eva film 4 welds good solar battery sheet 3; A slice upper strata eva film 2; A slice is fixed on the ultrawhite safety glass with the epoxy resin board 1 of adhesive tape with the superiors by the epoxy resin board 1 of preliminary treatment 1 gained among the step a, spreads one deck high temperature cloth at last topmost; The hair side of described upper strata eva film 2 and lower floor's eva film 4 is all towards said solar battery sheet 3, and when lamination, the sensitive surface of described solar battery sheet 3 is towards said clear PET film 5.
C. lamination: will put into the laminating machine lamination by the solar components of step b gained; Lamination process is removed safety glass and high temperature cloth after accomplishing, and cuts out the waste material that goes periphery unnecessary, obtains light and thin type solar energy layer pressing plate; Laminating parameters is: pumpdown time 4-7 minute; Temperature 138-142 ℃, 8-12 minute lamination time, the lamination pressure value is-10～-40kPa.
The epoxy resin board 1 that stacks in the preliminary treatment 1 among the said step a is the 1-10 sheet, and the clear PET film 5 that stacks in the preliminary treatment 2 is the 1-50 sheet.
The periphery of clear PET film 5 greater than epoxy resin board 1 periphery each more than the 2cm, the periphery of upper and lower layer eva film 2,4 greater than epoxy resin board 1 periphery each more than the 0.5cm, the periphery of ultrawhite safety glass greater than epoxy resin board 1 periphery each more than the 5cm.
Fig. 1 is the solar energy layer pressing plate that a kind of production technology of above-mentioned light and thin type solar energy layer pressing plate is produced; Comprise stacking gradually epoxy resin board 1, upper strata eva film 2, solar battery sheet 3, lower floor's eva film 4 and the clear PET film 5 of arranging from top to bottom, form through heat zone press seal dress.
Eva film of the present invention is the film that a kind of ethylene-vinyl acetate copolymer is processed, and the PET film is the film that PETG is processed.
Below be example with the solar energy layer pressing plate of producing 45W, its processing step is:
(1) adopting thickness is 1mm epoxy resin board 1, is cut into the rectangle that is of a size of 629mm * 547mm, and 1～10 is one folded, stacks to put into that laminating machine vacuumizes, lamination after neat.Laminating parameters is: the pumpdown time is 3-5 minute, and laminating temperature is 132-138 ℃, and the lamination time is 3-5 minute, the lamination pressure value is 0～-90kPa.Take out the back and in air, cool off naturally more than 10 minutes, for use;
(2) clear PET film 5 is cut into the rectangle of 669mm * 587mm, 1～50 is one folded, stacks to put into that laminating machine vacuumizes, lamination after neat.Laminating parameters is: pumpdown time 2-3 minute, and temperature 132-138 ℃, 3-5 minute lamination time, the lamination pressure value is 0～-20kPa, taking out back cool time in air is more than 10 minutes, for use;
(3) get the ultrawhite safety glass of a size, be layered on the platform, a slice clear PET film 5 that tiles and cross successively above through above step process greater than 727mm * 647mm; A slice lower floor eva film 4; The solar battery sheet 3 that welding is good, a slice upper strata eva film 2, the epoxy resin board 1 that a slice is crossed through above step process; Note the centrally aligned of each layer during laying; Stay the limit even, the hair side of described upper strata eva film 2 and lower floor's eva film 4 is towards solar battery sheet 3, and the sensitive surface of said solar battery sheet 3 is towards clear PET film 5.Be fixed on the ultrawhite safety glass with the epoxy resin board 1 of adhesive tape, spread one deck high temperature cloth at last topmost the superiors.Solar components is put into the laminating machine lamination, and laminating parameters is: pumpdown time 4-7 minute, and temperature 138-142 ℃, 8-12 minute lamination time, the lamination pressure value is-10～-40kPa.
(4) lamination process removes safety glass and high temperature cloth after accomplishing, and cuts out the waste material that goes periphery unnecessary, obtains described light and thin type solar energy layer pressing plate.
Through check, through the light and thin type solar energy layer pressing plate that above production technology obtains, its average weight is 1.2kg, and common unidimensional solar energy glass laminate average weight has reached 4.5kg, greatly reduces its weight.The solar energy layer pressing plate static state of the 45W of gained can be controlled in the 1mm at the deformation distance of two limits and flexural deformation peak, and is very smooth.And according to existing laminating technology, be the laminate that technological process that 200810242562.1 patent is announced is made like application number, its static state at the deformation distance of two limits and flexural deformation peak up to 10-15mm.
With above-mentioned foundation desirable embodiment of the present invention is enlightenment, and through above-mentioned description, the related work personnel can carry out various change and modification fully in the scope that does not depart from this invention technological thought.The technical scope of this invention is not limited to the content on the specification, must confirm its technical scope according to the claim scope.
Claims (6)
1. the production technology of a light and thin type solar energy layer pressing plate, its processing step is:
A. preliminary treatment:
Preliminary treatment 1: will be at least a slice epoxy resin board (1) stack neatly, put into that laminating machine vacuumizes, lamination, behind the lamination epoxy resin board (1) is cooled off in air naturally;
Preliminary treatment 2: will be at least a slice clear PET film (5) stack neatly, put into that laminating machine vacuumizes, lamination, behind the lamination clear PET film (5) is cooled off in air naturally;
B. lamination: get a ultrawhite safety glass; The epoxy resin board (1) of preliminary treatment 1 gained among the clear PET film (5) of preliminary treatment 2 gained, a slice lower floor eva film (4), welding solar battery sheet (3), a slice upper strata eva film (2) and a slice process step a well among a slice that tiles successively from bottom to up above the ultrawhite safety glass process step a; Be fixed on the ultrawhite safety glass with the epoxy resin board (1) of adhesive tape, spread one deck high temperature cloth at last topmost the superiors;
C. lamination: will put into the laminating machine lamination by the solar components of step b gained, lamination process removes safety glass and high temperature cloth after accomplishing, and cuts out the waste material that goes periphery unnecessary, obtains light and thin type solar energy layer pressing plate.
2. the production technology of light and thin type solar energy layer pressing plate as claimed in claim 1 is characterized in that: the epoxy resin board that preliminary treatment 1 stacks among the said step a (1) is the 1-10 sheet, and the clear PET film (5) that stacks in the said preliminary treatment 2 is the 1-50 sheet.
3. the production technology of light and thin type solar energy layer pressing plate as claimed in claim 1; It is characterized in that: the laminating parameters of preliminary treatment 1 is among the step a: the pumpdown time is 3-5 minute; Laminating temperature is 132-138 ℃, and the lamination time is 3-5 minute, the lamination pressure value is 0～-90kPa; The laminating parameters of preliminary treatment 2 is: pumpdown time 2-3 minute; Temperature 132-138 ℃, 3-5 minute lamination time, the lamination pressure value is 0～-20kPa; The laminating parameters of step c is: pumpdown time 4-7 minute; Temperature 138-142 ℃, 8-12 minute lamination time, the lamination pressure value is-10～-40kPa.
4. the production technology of light and thin type solar energy layer pressing plate as claimed in claim 1; It is characterized in that: the described upper strata eva film (2) among the said step b and the hair side of lower floor's eva film (4) are all towards said solar battery sheet (3); When lamination, the sensitive surface of described solar battery sheet (3) is towards said clear PET film (5).
5. the production technology of light and thin type solar energy layer pressing plate as claimed in claim 1; It is characterized in that: the periphery of described clear PET film (5) greater than epoxy resin board (1) periphery each more than the 2cm; The periphery of said upper and lower layer eva film (2,4) greater than epoxy resin board (1) periphery each more than the 0.5cm, the periphery of said ultrawhite safety glass greater than said epoxy resin board (1) periphery each more than the 5cm.
6. the solar energy layer pressing plate produced of the production technology of the solar energy layer pressing plate of an above-mentioned light and thin type; It is characterized in that: comprise stacking gradually epoxy resin board (1), upper strata eva film (2), solar battery sheet (3), lower floor's eva film (4) and the clear PET film (5) of arranging from top to bottom, form through heat zone press seal dress.
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| CN2012100632549A CN102602114A (en) | 2012-03-12 | 2012-03-12 | Thin and light solar laminate and production process thereof |
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| CN2012100632549A CN102602114A (en) | 2012-03-12 | 2012-03-12 | Thin and light solar laminate and production process thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102751357A (en) * | 2012-07-30 | 2012-10-24 | 常州市东君光能科技发展有限公司 | Light and thin type solar photovoltaic component and producing method thereof |
| CN102810604A (en) * | 2012-09-13 | 2012-12-05 | 英利能源（中国）有限公司 | Manufacturing method of back contact battery photovoltaic module |
| CN103280481A (en) * | 2013-06-17 | 2013-09-04 | 奥特斯维能源（太仓）有限公司 | Transparent double-faced battery pack and preparation method thereof |
| CN105990458A (en) * | 2015-02-11 | 2016-10-05 | 杭州索乐光电有限公司 | Solar panel capable of preventing EVA fusion side leakage and processing method thereof |
| WO2018068681A1 (en) * | 2016-09-30 | 2018-04-19 | Renogy Suzhou Co., Ltd. | Light-weight solar panels and method and system of making and using the same |
| CN113502133A (en) * | 2021-07-21 | 2021-10-15 | 马鞍山东毅新材料科技有限公司 | Optical film capable of defoaming during gluing and production process thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102751357A (en) * | 2012-07-30 | 2012-10-24 | 常州市东君光能科技发展有限公司 | Light and thin type solar photovoltaic component and producing method thereof |
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| WO2018068681A1 (en) * | 2016-09-30 | 2018-04-19 | Renogy Suzhou Co., Ltd. | Light-weight solar panels and method and system of making and using the same |
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| CN113502133A (en) * | 2021-07-21 | 2021-10-15 | 马鞍山东毅新材料科技有限公司 | Optical film capable of defoaming during gluing and production process thereof |
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Application publication date: 20120725 |