CN102738310A - Crystalline silicon photovoltaic assembly package method capable of suppressing mutual penetration and color mixing of package films - Google Patents
Crystalline silicon photovoltaic assembly package method capable of suppressing mutual penetration and color mixing of package films Download PDFInfo
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- CN102738310A CN102738310A CN2012102444351A CN201210244435A CN102738310A CN 102738310 A CN102738310 A CN 102738310A CN 2012102444351 A CN2012102444351 A CN 2012102444351A CN 201210244435 A CN201210244435 A CN 201210244435A CN 102738310 A CN102738310 A CN 102738310A
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Abstract
The invention discloses a crystalline silicon photovoltaic assembly package method capable of suppressing mutual penetration and color mixing of package films. The package method can obviate the mutual penetration of color EVA (ethylene vinyl acetate) films by controlling the solidification of an upper and lower package films. For an assembly packaged by a crystalline silicon double glass package and having a transparent film (2) on the front side the battery plate and a color film (4) on the back side of the battery plate, one package film layer can be solidified by cross-linking and then is cooperated with another package film layer to package a battery plate (3) and two glass layers (1, 5) by vacuum laminating and bonding. Alternatively, both the transparent film and the color film can be solidified by cross-linking, then the solidified transparent film and color films are used to package the battery plate and the two glass layers by vacuum laminating and bonding. According to the invention, the package method can reduce possibility of mutual penetration and color mixing of the color package films by controlling the solidification of the upper and the lower package films; and the laminated assembly is good in appearance, and has no contaminants to shield the power generation component layer.
Description
Technical field
The present invention relates to a kind of method for packing of crystal silicon solar photovoltaic module; Especially the method that relates to a kind of use different colours packaging adhesive film (EVA glued membrane) package assembling specifically is that a kind of different colours packaging adhesive film that can reduce melts colour mixture mutually, reduces the method for packing of colored packaging adhesive film to the crystal silicon solar photovoltaic module of battery sheet pollution.
Background technology
At present; Solar photovoltaic assembly all adopts EVA glued membrane (EVA is the abbreviation of Ethylene ethene Vinyl vinyl Acetate acetate) to carry out the encapsulation of assembly; Film assembly uses the encapsulation of individual layer EVA glued membrane with the bonding realization assembly of layer glass vacuum lamination, and the crystal silicon assembly uses the encapsulation of double-deck EVA glued membrane with glass, battery sheet, the bonding realization assembly of backboard (or glass) vacuum lamination.For increasing the assembly conversion efficiency, the packaging adhesive film at the generating component layer back side is preferably designed as high reflective white.Perhaps the client reaches and the coupling of building, and requires to make the photovoltaic module of different colours, comprising using colored battery sheet, color border, colored EVA glued membrane.Like this, when using the positive transparent encapsulation material of using of generating component layer, when colored encapsulating material is used at the back side; In the vacuum lamination process, the encapsulating material of two kinds of colors is because phenomenon very easily takes place to melt mutually in flowability problem, and it is positive that this can cause colored encapsulating material to spill into the generating component layer; Cause and block, not only influence outward appearance, and can cause the reduction of generating efficiency; And possibly produce the hot spot problem, burn out assembly.
Summary of the invention
Technical problem to be solved by this invention; Be to overcome the defective that prior art exists, proposed a kind of method for packing that packaging adhesive film melts the crystal silicon photovoltaic assembly of colour mixture mutually that reduces, through solidifying of packaging adhesive film about the control; Solve the colour mixture problem of glued membrane; Avoid the color of packaging adhesive film to melt mutually, the assembly outward appearance is fine behind the lamination, and generating electricity, component layer is pollution-free blocks.
The basic ideas of the inventive method are: to the double-deck packaging adhesive film package assembling of crystal silicon double glazing; Like the positive transparent enclosure glued membrane that uses of battery sheet; The cell back face uses colored packaging adhesive film; Can cooperate with another layer packaging adhesive film then battery sheet, the encapsulation of double-glass vacuum laminate adhesive earlier with one deck packaging adhesive film crosslinking curing.Also can be with two-layer packaging adhesive film crosslinking curing separately, then with battery sheet, the encapsulation of double-glass vacuum laminate adhesive.Said crosslinking curing can reduce the hot melt flowability of packaging adhesive film, avoids the color of packaging adhesive film to melt mutually.
The present invention is for realizing goal of the invention; The method that is adopted: reduce the method for packing that packaging adhesive film melts the crystal silicon photovoltaic assembly of colour mixture mutually; Said crystal silicon photovoltaic assembly; Structure is from top to bottom: glass, packaging adhesive film (like EVA glued membrane, PVB glued membrane), battery sheet, packaging adhesive film (like EVA glued membrane, PVB glued membrane), backboard or glass, and its encapsulation step is following:
Step 1 is laid one deck packaging adhesive film (transparent or colored packaging adhesive film) on one deck glass or backboard, with the packaging adhesive film crosslinking curing, the degree of cross linking of packaging adhesive film reaches 75% to 90% to vacuum lamination (or other heat cross-linking methods);
The temperature conditions of said crosslinking curing is between 120 ℃ to 135 ℃.
Step 2 is put battery strings on the glass of above-mentioned bonding packaging adhesive film or backboard, and the lamination that confluxes;
Step 3 is laid one deck packaging adhesive film (colour or transparent enclosure glued membrane) and one deck backboard or glass more successively;
At last, above-mentioned laminated piece is put into laminating machine carry out vacuum lamination, bonding package assembling.
Another improves one's methods the present invention and is: step 3; At one deck backboard or laying one deck packaging adhesive film on glass (colour or transparent enclosure glued membrane); With the packaging adhesive film crosslinking curing, the degree of cross linking of packaging adhesive film reaches 75% to 90% to vacuum lamination (or other heat cross-linking methods).The temperature conditions of said crosslinking curing is between 120 ℃ to 135 ℃.
This is improved one's methods and is not required according to sequence of steps operation, be intended to up and down packaging adhesive film respectively with last lower-glass or the bonding crosslinking curing of backboard, cooperate bonding package assembling behind vacuum lamination then with the battery sheet.
Said colored glued membrane is relative transparent enclosure glued membrane, like white glued membrane, black glued membrane, polychrome glued membrane etc.Upper strata EVA glued membrane uses Transparent color, and the EVA of lower floor glued membrane uses white, black or multicolor patterns glued membrane.The encapsulation of white EVA glued membrane can improve component package efficient, and black or the encapsulation of multicolor patterns EVA glued membrane can better be suitable for the demand of the relevant building coupling of different clients.
The inventive method through solidifying of two-layer packaging adhesive film about the control, has reduced the possibility of melting colour mixture mutually of colored packaging adhesive film, and the assembly outward appearance is fine behind the lamination, and generating electricity, component layer is pollution-free blocks.
Description of drawings
The crystal silicon solar photovoltaic module structure sketch map that Fig. 1 relates to for the inventive method.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is elaborated.
Embodiment 1
Crystal silicon photovoltaic assembly (as shown in Figure 1) for the double glazing encapsulation:
At first; The transparent EVA glued membrane 2 of 0.5mm thickness is layed on the ultrawhite tempering pattern glass 1 of 3.2mm thickness, and it is bonding to advance the laminating machine vacuum lamination then, and laminating temperature is set to 130 ℃; The lamination time is set to 15 minutes, and the degree of cross linking of packaging adhesive film reaches 75% to 90%.
Secondly, battery strings 3 is positioned over the on glass of above-mentioned bonding EVA glued membrane, behind the lamination that confluxes, lays the white EVA glued membrane 4 of one deck 0.5mm thickness above that, place the toughened glass 5 of one deck 3.2mm thickness again.
At last, above-mentioned laminated piece is put into laminating machine, the bonding encapsulation of vacuum lamination, laminating temperature is set to 140 ℃, and the lamination time is set to 20 minutes.Accomplish assembly processing after the discharging.
Embodiment 2
Crystal silicon photovoltaic assembly (as shown in Figure 1) for the double glazing encapsulation:
At first, the white EVA glued membrane 4 of 0.4mm thickness is layed on the toughened glass 5 of 2mm thickness, advances the bonding encapsulation of laminating machine vacuum lamination then, laminating temperature is set to 120 ℃, and the lamination time is set to 15 minutes, and the degree of cross linking of packaging adhesive film reaches 75% to 90%.
Secondly, 0.4mm thickness transparent EVA glued membrane 2 is layed on the ultrawhite toughened glass 1 of 2mm thickness, battery strings 3 is positioned on the above-mentioned transparent EVA glued membrane, behind the lamination that confluxes, place the glass of bonding white EVA glued membrane above that.
At last, above-mentioned laminated piece is put into laminating machine, the bonding encapsulation of vacuum lamination, laminating temperature is set to 135 ℃, and the lamination time is set to 20 minutes.Accomplish assembly processing after the discharging.
Embodiment 3
Crystal silicon assembly (as shown in Figure 1) for the single-glass encapsulation:
At first; The transparent EVA glued membrane 2 of 0.4mm thickness is layed on the ultrawhite tempering pattern glass 1 of 3.2mm thickness, advances the bonding encapsulation of laminating machine vacuum lamination then, laminating temperature is set to 135 ℃; The lamination time is set to 15 minutes, and the degree of cross linking of packaging adhesive film reaches 75% to 90%.
Secondly, will be positioned over the on glass of above-mentioned bonding EVA glued membrane, behind the lamination that confluxes, lay the colored EVA glued membrane 4 of one deck 0.4mm thickness above that, place the backboard 5 of a 0.3mm thickness again by the battery strings 3 that colored battery sheet is formed.
At last, above-mentioned laminated piece is put into laminating machine, the bonding encapsulation of vacuum lamination, laminating temperature is set to 140 ℃, and the lamination time is set to 20 minutes.Accomplish assembly processing after the discharging.
Embodiment 4
Crystal silicon photovoltaic assembly (as shown in Figure 1) for the double glazing encapsulation:
At first, the white EVA glued membrane 4 of 0.4mm thickness is layed on the toughened glass 5 of 2mm thickness, advances the bonding encapsulation of laminating machine vacuum lamination then, laminating temperature is set to 120 ℃, and the lamination time is set to 15 minutes, and the degree of cross linking of packaging adhesive film reaches 75% to 90%.
Secondly, 0.4mm thickness transparent EVA glued membrane 2 is layed on the ultrawhite toughened glass 1 of 2mm thickness, advances the bonding encapsulation of laminating machine vacuum lamination then, laminating temperature is set to 120 ℃, and the lamination time is set to 15 minutes, and the degree of cross linking of packaging adhesive film reaches 75% to 90%.
Battery strings 3 is positioned on above-mentioned wherein one deck EVA glued membrane, behind the lamination that confluxes, two bonding glass of EVA glued membrane (1,5) is stacked.
At last, above-mentioned laminated piece is put into laminating machine, the bonding encapsulation of vacuum lamination, laminating temperature is set to 135 ℃, and the lamination time is set to 20 minutes.Accomplish assembly processing after the discharging.
The foregoing description also is applicable to the situation of PVB glued membrane (PolyVinyl Butyral) as packaging adhesive film that adopt, and just technological parameter is different.
Claims (3)
1. one kind is reduced the method for packing that packaging adhesive film melts the crystal silicon photovoltaic assembly of colour mixture mutually, said crystal silicon photovoltaic assembly, and structure is from top to bottom: glass, packaging adhesive film, battery sheet, packaging adhesive film, backboard or glass, its step is following:
Step 1 is laid one deck packaging adhesive film on one deck glass or backboard, vacuum lamination is with the packaging adhesive film crosslinking curing, and the degree of cross linking of packaging adhesive film reaches 75% to 90%;
Step 2 is put battery strings on the glass of above-mentioned bonding packaging adhesive film or backboard, and the lamination that confluxes;
Step 3 is laid one deck packaging adhesive film and one deck backboard or glass more successively;
At last, above-mentioned laminated piece is put into laminating machine carry out vacuum lamination, bonding package assembling.
2. minimizing packaging adhesive film according to claim 1 melts the method for packing of the crystal silicon photovoltaic assembly of colour mixture mutually; It is characterized in that: step 3; At one deck backboard or laying one deck packaging adhesive film on glass, vacuum lamination is with the packaging adhesive film crosslinking curing, and the degree of cross linking of packaging adhesive film reaches 75% to 90%.
3. minimizing packaging adhesive film according to claim 1 and 2 melts the method for packing of the crystal silicon photovoltaic assembly of colour mixture mutually, it is characterized in that: the temperature conditions of said crosslinking curing, and between 120 ℃ to 135 ℃.
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| CN2012102444351A CN102738310A (en) | 2012-07-16 | 2012-07-16 | Crystalline silicon photovoltaic assembly package method capable of suppressing mutual penetration and color mixing of package films |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103916076A (en) * | 2013-01-09 | 2014-07-09 | 太仓海润太阳能有限公司 | Double-layer-glass photovoltaic cell assembly and manufacturing method thereof |
| CN107239597A (en) * | 2017-04-28 | 2017-10-10 | 合肥晶澳太阳能科技有限公司 | A kind of laminating parameters method to set up of photovoltaic module laminating technology |
| CN108538942A (en) * | 2018-04-13 | 2018-09-14 | 广东汉能薄膜太阳能有限公司 | A kind of production method of power generation tile |
| CN108807580A (en) * | 2018-06-14 | 2018-11-13 | 北京汉能光伏投资有限公司 | A kind of electrification component forming method |
| CN109509804A (en) * | 2018-12-26 | 2019-03-22 | 保定光为绿色能源科技有限公司 | A kind of two-sided solar double-glass assemblies improving back side power generation |
| CN111430341A (en) * | 2020-04-28 | 2020-07-17 | 广东三橙电子科技有限公司 | Liquid crystal backlight display module packaging method and liquid crystal backlight display module |
| CN111863991A (en) * | 2019-04-23 | 2020-10-30 | 泰州隆基乐叶光伏科技有限公司 | Photovoltaic module and preparation method thereof |
| CN114784146A (en) * | 2022-05-12 | 2022-07-22 | 常州时创能源股份有限公司 | Preparation method of photovoltaic prefabricated part |
| CN115588716A (en) * | 2022-11-24 | 2023-01-10 | 晶科能源(海宁)有限公司 | Method for producing a photovoltaic module and photovoltaic module |
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| CN101820001A (en) * | 2010-04-30 | 2010-09-01 | 南京红宝丽新材料有限公司 | Packaging adhesive film for solar cell |
| CN102456766A (en) * | 2010-10-14 | 2012-05-16 | 无锡尚德太阳能电力有限公司 | Preparation method of solar cell assembly and prepared solar cell assembly by utilizing preparation method |
| CN102569454A (en) * | 2010-12-31 | 2012-07-11 | 阿特斯(中国)投资有限公司 | Backplane material, photovoltaic module using backplane material and manufacture method of photovoltaic module |
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| CN101820001A (en) * | 2010-04-30 | 2010-09-01 | 南京红宝丽新材料有限公司 | Packaging adhesive film for solar cell |
| CN102456766A (en) * | 2010-10-14 | 2012-05-16 | 无锡尚德太阳能电力有限公司 | Preparation method of solar cell assembly and prepared solar cell assembly by utilizing preparation method |
| CN102569454A (en) * | 2010-12-31 | 2012-07-11 | 阿特斯(中国)投资有限公司 | Backplane material, photovoltaic module using backplane material and manufacture method of photovoltaic module |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103916076A (en) * | 2013-01-09 | 2014-07-09 | 太仓海润太阳能有限公司 | Double-layer-glass photovoltaic cell assembly and manufacturing method thereof |
| CN107239597A (en) * | 2017-04-28 | 2017-10-10 | 合肥晶澳太阳能科技有限公司 | A kind of laminating parameters method to set up of photovoltaic module laminating technology |
| CN108538942A (en) * | 2018-04-13 | 2018-09-14 | 广东汉能薄膜太阳能有限公司 | A kind of production method of power generation tile |
| CN108807580A (en) * | 2018-06-14 | 2018-11-13 | 北京汉能光伏投资有限公司 | A kind of electrification component forming method |
| CN109509804A (en) * | 2018-12-26 | 2019-03-22 | 保定光为绿色能源科技有限公司 | A kind of two-sided solar double-glass assemblies improving back side power generation |
| CN111863991A (en) * | 2019-04-23 | 2020-10-30 | 泰州隆基乐叶光伏科技有限公司 | Photovoltaic module and preparation method thereof |
| CN111430341A (en) * | 2020-04-28 | 2020-07-17 | 广东三橙电子科技有限公司 | Liquid crystal backlight display module packaging method and liquid crystal backlight display module |
| CN111430341B (en) * | 2020-04-28 | 2023-09-22 | 广东三橙电子科技有限公司 | Liquid crystal backlight display module packaging method and liquid crystal backlight display module |
| CN114784146A (en) * | 2022-05-12 | 2022-07-22 | 常州时创能源股份有限公司 | Preparation method of photovoltaic prefabricated part |
| CN115588716A (en) * | 2022-11-24 | 2023-01-10 | 晶科能源(海宁)有限公司 | Method for producing a photovoltaic module and photovoltaic module |
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Application publication date: 20121017 |