CN114520274A - Novel production process of BIPV (building integrated photovoltaic) photoelectric building material with side outlet wire - Google Patents
Novel production process of BIPV (building integrated photovoltaic) photoelectric building material with side outlet wire Download PDFInfo
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- CN114520274A CN114520274A CN202210133395.7A CN202210133395A CN114520274A CN 114520274 A CN114520274 A CN 114520274A CN 202210133395 A CN202210133395 A CN 202210133395A CN 114520274 A CN114520274 A CN 114520274A
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- 239000004566 building material Substances 0.000 title claims abstract description 19
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- 238000010030 laminating Methods 0.000 claims abstract description 25
- 239000011521 glass Substances 0.000 claims abstract description 20
- 238000000034 method Methods 0.000 claims abstract description 13
- 238000005096 rolling process Methods 0.000 claims abstract description 6
- 239000002313 adhesive film Substances 0.000 claims description 23
- 239000002184 metal Substances 0.000 claims description 11
- 229910052751 metal Inorganic materials 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 8
- 229920001971 elastomer Polymers 0.000 claims description 7
- 239000003292 glue Substances 0.000 claims description 6
- 230000002265 prevention Effects 0.000 claims description 6
- 239000000758 substrate Substances 0.000 claims description 6
- 238000010248 power generation Methods 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 239000004831 Hot glue Substances 0.000 claims description 3
- 239000004020 conductor Substances 0.000 claims description 3
- 239000011889 copper foil Substances 0.000 claims description 3
- 239000012943 hotmelt Substances 0.000 claims description 3
- 238000003475 lamination Methods 0.000 claims description 3
- 230000007306 turnover Effects 0.000 claims description 3
- 238000013084 building-integrated photovoltaic technology Methods 0.000 claims 5
- 238000005520 cutting process Methods 0.000 abstract 1
- 238000004806 packaging method and process Methods 0.000 description 9
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 description 5
- 229920006124 polyolefin elastomer Polymers 0.000 description 5
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 description 3
- 239000005038 ethylene vinyl acetate Substances 0.000 description 3
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229910021419 crystalline silicon Inorganic materials 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002103 nanocoating Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- -1 polyethylene terephthalate Polymers 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000004383 yellowing Methods 0.000 description 1
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- 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
- H01L31/18—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
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- 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
-
- 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
- H01L31/049—Protective back sheets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S20/00—Supporting structures for PV modules
- H02S20/20—Supporting structures directly fixed to an immovable object
- H02S20/22—Supporting structures directly fixed to an immovable object specially adapted for buildings
- H02S20/26—Building materials integrated with PV modules, e.g. façade elements
-
- 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)
- Microelectronics & Electronic Packaging (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention discloses a production process of a lateral outgoing BIPV (building integrated photovoltaics) building material, which mainly comprises the following steps of cutting solar cell sheets, stacking the solar cell sheets, respectively paving the solar cell sheets, an insulating layer and a back plate on a glass plate, turning and laminating the paved plates, rolling the laminated plates and installing a junction box; the invention has the advantages of simple process steps, high production efficiency and capability of producing the BIPV building material with stable and reliable structure.
Description
Technical Field
The invention relates to the field of photovoltaic building material production, in particular to a novel production process of a side outlet BIPV (building integrated photovoltaic) photoelectric building material.
Background
Wind energy, solar energy, ocean energy, geothermal energy and the like are new energy sources which can be utilized by people at present, production places of the wind energy, the solar energy, the ocean energy, the geothermal energy and the like are all arranged in suburbs, deserts or oceans with rare smoke and low energy consumption, and the utilization of the new energy sources is rarely seen in cities with concentrated population and high energy consumption. On the one hand, the new energy is not distributed in a centralized way, such as the centralized distribution area of wind energy, ocean energy and geothermal energy is not suitable for human residence; on the other hand, the new energy is not fully and reasonably utilized, for example, the solar energy is widely distributed, and a large amount of available solar energy is available in cities with large population density. Solar energy is the most extensive, universal and distributive clean energy technology in the current renewable energy technology.
At present, the main mode of combining building and solar energy is Building Integrated Photovoltaics (BIPV), but the BIPV photoelectric building material produced by the conventional production process has unstable structure and low weather resistance.
Meanwhile, the traditional process has the following defects:
firstly, circuit design:
(1) the conventional cells are arranged in a string to reach the bottom, and when one cell is shielded, the whole current and voltage of the photovoltaic panel are influenced, so that a hot spot effect is generated. Power generation barrel effect.
(2) The conventional string to bottom results in a high component voltage, which has a large impact on the diode lifetime of the junction box.
II, material angle:
(1) the surface of the conventional glass is not treated at all, and the machine dust is easy to generate;
(2) the EVA photovoltaic adhesive film is conventionally adopted for packaging, and yellowing and the like are easy to occur.
(3) The conventional solar cell panel back plate is made of organic plastics and contains fluorine; toxic, not easy to decompose and short in service life;
(4) the conventional BIPV back plate is provided with metal openings, so that water leakage is easy to occur.
Disclosure of Invention
Therefore, in order to solve the above defects, the invention provides a production process which has simple process steps and high production efficiency and can produce the BIPV photovoltaic building material with stable and reliable structure.
In particular to a novel lateral outlet BIPV photoelectric building material production process,
slicing, namely slicing the solar cell slice into strip-shaped cells;
stacking the strings, namely stacking a plurality of strip-shaped solar cells into a solar cell string;
paving, namely paving a photovoltaic adhesive film (POE \ PVB) on the back surface of the light-facing surface of the glass plate, and then stringing and arranging a plurality of solar cells on the back surface of the light-facing surface of the glass plate in parallel, wherein the light-facing surface of each solar cell is attached to the glass side;
mounting a hot spot prevention parallel circuit;
paving an insulating layer, paving a glue film on the back of the solar cell, and paving the insulating layer on the glue film;
paving a back material, paving an EPE hot melt curing adhesive film for power generation building materials above the back of the insulating layer, and finally paving a metal substrate back plate for BIPV;
turning, namely turning the assembly which finishes the laying of the metal substrate back plate, so that the glass plate faces upwards and is sent into a laminating machine;
laminating, namely laminating in a laminating machine for 10-30 minutes;
rolling and forming, namely rolling the side surface of the laminated plate and forming a lap joint edge;
and a wire box is installed, and the wire box is installed at the lap joint edge.
In this embodiment, the slicing step specifically includes: the solar cell pieces are first cut into 1/2 and then passed through a stringer to make a string of 12 cells each.
In this embodiment, the method of mounting the hot spot prevention parallel circuit is as follows: and conducting transverse electric conduction at the position where the creepage voltage is superposed on the back surface of the solar cell and is increased by 4-6V every time, and conducting transverse equal-voltage conduction at the position where the creepage voltage is 4-6V every step on all the rows.
In the embodiment, the conducting material is a conductive copper foil strip sprayed with hot melt adhesive, so that the transverse parallel connection conduction at the voltage of + 4-6V is realized.
In this example, a specific method of lamination was as follows,
feeding the plates, which are sequentially provided with the photovoltaic glass, the adhesive film, the battery piece array, the adhesive film, the insulating layer, the adhesive film and the photovoltaic back plate from top to bottom, into a laminating machine, and conveying the plates to an internal designated position by the laminating machine through a belt line;
a plurality of groups of cylinders which are opposite up and down fix the plate, and a plurality of buffer rubber pads of the laminating machine clamp the plate and keep for a certain time;
after a certain time, the air cylinder and the buffer rubber pad are separated from the plate, the turnover bearing rotates, the plate is turned over for 180 degrees, and the plate is sent out of the laminating machine through the belt line.
The invention has the following advantages:
the process has simple steps and high production efficiency, and can produce the BIPV photoelectric building material with stable and reliable structure, the building material produced by the process is a metal back plate, and the metal back plate has no holes, good waterproof performance and long service life; meanwhile, the process is favorable for POE/PVB packaging, has good weather resistance, and adopts a super-hydrophilic nano coating coated on the surface of glass, so that dust is not easy to fall off; even if the ash falls, water flows through the water flow and can be easily washed away.
Drawings
FIG. 1 is a schematic process flow diagram of the present invention;
FIG. 2 is a schematic view of the solar electromagnetic sheet of the present invention after it has been stacked;
FIG. 3 is a schematic view of the completed back material of the present invention;
FIG. 4 is a schematic representation of the present invention after the flipping step is completed;
FIG. 5 is a schematic view of the present invention after the roll-forming step has been completed;
FIG. 6 is a schematic perspective view of a laminator of the present invention;
FIG. 7 is a schematic side view of a laminator of the present invention;
FIG. 8 is a schematic view of a laminator configuration according to the present invention;
fig. 9 is a schematic view of the invention after installation of the junction box.
Detailed Description
The present invention will be described in detail with reference to fig. 1 to 9, and the technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a novel lateral outlet BIPV photoelectric building material production process by improving,
slicing, namely slicing the solar cell slice into strip-shaped cells;
stacking the strings, namely stacking a plurality of strip-shaped solar cells into a solar cell string (the solar cells after the stacking are shown in fig. 2);
paving, namely paving a photovoltaic adhesive film (POE \ PVB) on the back surface of the light-facing surface of the glass plate, and then stringing and arranging a plurality of solar cells on the back surface of the light-facing surface of the glass plate in parallel, wherein the light-facing surface of each solar cell is attached to the glass side;
mounting a hot spot prevention parallel circuit;
paving an insulating layer, paving a glue film on the back of the solar cell, and paving the insulating layer on the glue film;
paving a back material, paving an EPE hot melt curing adhesive film for power generation building materials above the back of the insulating layer, and finally paving a metal substrate back plate for BIPV;
the plate shown in fig. 3 is formed through the above steps, and comprises photovoltaic glass 700, a packaging adhesive film 600, a crystalline silicon photovoltaic cell 500, a packaging adhesive film 400, an insulating layer 300, a packaging adhesive film 200 and a metal back plate 100 from bottom to top in sequence; the packaging adhesive film is made of POE (polyolefin elastomer) or EVA (ethylene vinyl acetate) or PVB (polyvinyl butyral) and other materials, and the insulating layer is made of PET (polyethylene terephthalate) or other materials.
Turning, namely turning the assembly which finishes the laying of the metal substrate back plate, so that the glass plate faces upwards and is sent into a laminating machine; the board shown in fig. 4 is formed after turning, and the photovoltaic glass 700, the packaging adhesive film 600, the crystalline silicon photovoltaic cell 500, the packaging adhesive film 400, the insulating layer 300, the packaging adhesive film 200 and the metal back plate 100 are sequentially arranged from top to bottom.
Laminating, namely laminating in a laminating machine for 10-30 minutes;
roll forming, in which the side surface of the laminated sheet is rolled to form a lap edge, and the sheet shown in fig. 5 is formed after the rolling;
a wire box is installed and a wire box, such as the sheet material shown in fig. 9, is installed at the overlapping edge.
In this embodiment, the method of mounting the hot spot prevention parallel circuit is as follows: conducting transverse electrical conduction at the position where the creepage voltage is superposed on the back surface of the solar cell and is increased by 4-6V every time, and conducting transverse equal-voltage conduction at the position where the creepage voltage is 4-6V every step on all the rows; the conducting material is a conductive copper foil strip sprayed with hot melt adhesive, so that the + 4-6V voltage part is transversely and completely conducted in parallel.
As shown in fig. 6 and 7, in this embodiment, a specific method of lamination is as follows,
feeding the plates, which are laminated in sequence from top to bottom and are photovoltaic glass, an adhesive film, a battery piece array, an adhesive film, an insulating layer, an adhesive film and a photovoltaic back plate, into a laminating machine, and conveying the plates to an internal designated position by the laminating machine by using belt lines (such as reference numerals 6 and 9 in fig. 8);
two sets of air cylinders (such as a first lower air cylinder 1 and a first upper air cylinder 2 in fig. 8, and a second upper air cylinder 13 and a second lower air cylinder 15) which are opposite up and down fix the plate, and a plurality of buffer rubber pads (such as a plurality of buffer rubber pads marked as reference numbers 1, 2, 5, 8, 11, 12, 14 and 16 in fig. 8) of the laminating machine clamp the plate and keep for a certain time;
after a certain time, the air cylinder and the buffer rubber pad are separated from the plate, the turnover bearing rotates, the plate is turned over for 180 degrees, and the plate is sent out of the laminating machine through the belt line.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (4)
1. A novel production process of a lateral outgoing BIPV photoelectric building material is characterized by comprising the following steps:
slicing, namely slicing the solar cell slice into strip-shaped cells;
stacking the strings, namely stacking a plurality of strip-shaped solar cells into a solar cell string;
paving, namely paving a photovoltaic adhesive film on the back surface of the light-facing surface of the glass plate, and then arranging a plurality of solar cell strings on the back surface of the light-facing surface of the glass plate in parallel, wherein the light-facing surface of each solar cell is attached to the glass side;
mounting a hot spot prevention parallel circuit;
paving an insulating layer, paving a glue film on the back of the solar cell, and paving the insulating layer on the glue film;
paving a back material, paving an EPE hot melt curing adhesive film for power generation building materials above the back of the insulating layer, and finally paving a metal substrate back plate for BIPV;
turning, namely turning the assembly which finishes the laying of the metal substrate back plate, so that the glass plate faces upwards and is sent into a laminating machine;
laminating, namely laminating in a laminating machine for 10-30 minutes;
rolling and forming, namely rolling the side surface of the laminated plate and forming a lap joint edge;
and a wire box is installed, and the wire box is installed at the lap joint edge.
2. The novel side outlet BIPV photoelectric building material production process according to claim 1, wherein: the method for installing the hot spot prevention parallel circuit comprises the following steps: and conducting transverse electric conduction at the position where the creepage voltage is superposed on the back surface of the solar cell and is increased by 4-6V every time, and conducting transverse equal-voltage conduction at the position where the creepage voltage is 4-6V every step on all the rows.
3. The novel lateral outlet BIPV photoelectric building material production process according to claim 2, wherein the production process comprises the following steps: the conducting material is a conductive copper foil strip sprayed with hot melt adhesive, so that the + 4-6V voltage part is transversely and completely conducted in parallel.
4. The novel side outlet BIPV photoelectric building material production process according to claim 1, wherein: a specific method of lamination is as follows,
feeding the plates sequentially comprising the photovoltaic glass, the adhesive film, the battery piece array, the adhesive film, the insulating layer, the adhesive film and the photovoltaic back plate from top to bottom into a laminating machine, and conveying the plates to an internal designated position by the laminating machine through a belt line;
a plurality of groups of cylinders which are opposite up and down fix the plate, and a plurality of buffer rubber pads of the laminating machine clamp the plate and keep for a certain time;
after a certain time, the air cylinder and the buffer rubber pad are separated from the plate, the turnover bearing rotates, the plate is turned over for 180 degrees, and the plate is sent out of the laminating machine through the belt line.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210133395.7A CN114520274A (en) | 2022-02-14 | 2022-02-14 | Novel production process of BIPV (building integrated photovoltaic) photoelectric building material with side outlet wire |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210133395.7A CN114520274A (en) | 2022-02-14 | 2022-02-14 | Novel production process of BIPV (building integrated photovoltaic) photoelectric building material with side outlet wire |
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| CN114520274A true CN114520274A (en) | 2022-05-20 |
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| CN202210133395.7A Pending CN114520274A (en) | 2022-02-14 | 2022-02-14 | Novel production process of BIPV (building integrated photovoltaic) photoelectric building material with side outlet wire |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110323296A (en) * | 2018-03-29 | 2019-10-11 | 深圳慧能光电技术有限公司 | A kind of photovoltaic shoe plate |
| CN210110809U (en) * | 2019-05-08 | 2020-02-21 | 隆基绿能光伏工程有限公司 | Metal back plate, photovoltaic module and photovoltaic roof |
| CN212827231U (en) * | 2020-04-08 | 2021-03-30 | 苏州明冠新材料科技有限公司 | Building photovoltaic integrated solar cell backboard and photovoltaic module |
| CN112968075A (en) * | 2021-02-02 | 2021-06-15 | 晶澳（扬州）太阳能科技有限公司 | Photovoltaic module manufacturing method |
| CN215646662U (en) * | 2020-07-09 | 2022-01-25 | 尚榀新能源科技有限公司 | Photoelectric building material with solar energy safe power generation function |
-
2022
- 2022-02-14 CN CN202210133395.7A patent/CN114520274A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110323296A (en) * | 2018-03-29 | 2019-10-11 | 深圳慧能光电技术有限公司 | A kind of photovoltaic shoe plate |
| CN210110809U (en) * | 2019-05-08 | 2020-02-21 | 隆基绿能光伏工程有限公司 | Metal back plate, photovoltaic module and photovoltaic roof |
| CN212827231U (en) * | 2020-04-08 | 2021-03-30 | 苏州明冠新材料科技有限公司 | Building photovoltaic integrated solar cell backboard and photovoltaic module |
| CN215646662U (en) * | 2020-07-09 | 2022-01-25 | 尚榀新能源科技有限公司 | Photoelectric building material with solar energy safe power generation function |
| CN112968075A (en) * | 2021-02-02 | 2021-06-15 | 晶澳（扬州）太阳能科技有限公司 | Photovoltaic module manufacturing method |
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