CN111146312B - Production process of full-black solar photovoltaic module - Google Patents
Production process of full-black solar photovoltaic module Download PDFInfo
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- CN111146312B CN111146312B CN202010094436.7A CN202010094436A CN111146312B CN 111146312 B CN111146312 B CN 111146312B CN 202010094436 A CN202010094436 A CN 202010094436A CN 111146312 B CN111146312 B CN 111146312B
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 238000003466 welding Methods 0.000 claims abstract description 44
- 238000000576 coating method Methods 0.000 claims abstract description 23
- 239000011248 coating agent Substances 0.000 claims abstract description 20
- 229910052581 Si3N4 Inorganic materials 0.000 claims abstract description 15
- 238000003475 lamination Methods 0.000 claims abstract description 15
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 11
- 238000007689 inspection Methods 0.000 claims abstract description 10
- 238000010030 laminating Methods 0.000 claims abstract description 9
- 239000002390 adhesive tape Substances 0.000 claims abstract description 5
- 238000004806 packaging method and process Methods 0.000 claims abstract description 5
- 238000012360 testing method Methods 0.000 claims abstract description 5
- 238000004140 cleaning Methods 0.000 claims abstract description 4
- 238000007740 vapor deposition Methods 0.000 claims abstract description 4
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical compound [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 claims description 26
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 23
- 239000011521 glass Substances 0.000 claims description 22
- 239000004831 Hot glue Substances 0.000 claims description 15
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 14
- 229910000077 silane Inorganic materials 0.000 claims description 14
- 235000013842 nitrous oxide Nutrition 0.000 claims description 13
- 239000011159 matrix material Substances 0.000 claims description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 9
- 229910021529 ammonia Inorganic materials 0.000 claims description 9
- 239000000741 silica gel Substances 0.000 claims description 9
- 229910002027 silica gel Inorganic materials 0.000 claims description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 229920002050 silicone resin Polymers 0.000 claims description 6
- 238000011179 visual inspection Methods 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 230000003749 cleanliness Effects 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 230000000007 visual effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 3
- 239000007888 film coating Substances 0.000 description 3
- 238000009501 film coating Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000004313 glare Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000005341 toughened glass Substances 0.000 description 1
- SWGJCIMEBVHMTA-UHFFFAOYSA-K trisodium;6-oxido-4-sulfo-5-[(4-sulfonatonaphthalen-1-yl)diazenyl]naphthalene-2-sulfonate Chemical compound [Na+].[Na+].[Na+].C1=CC=C2C(N=NC3=C4C(=CC(=CC4=CC=C3O)S([O-])(=O)=O)S([O-])(=O)=O)=CC=C(S([O-])(=O)=O)C2=C1 SWGJCIMEBVHMTA-UHFFFAOYSA-K 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
- H01L31/18—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
-
- 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
-
- 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
Abstract
The invention discloses a production process of a full black solar photovoltaic module, which comprises the following steps of: s1, coating a battery piece; s2, welding the battery piece; s3, stacking; s4, stacking inspection; s5, laminating; s6, lamination inspection; s7, assembling a frame; s8, installing a junction box; s9, solidifying the assembly; s10, cleaning the assembly; s11, testing components; s12, checking the appearance of the finished product; s13, packaging and storing, wherein in the production process of the full-black solar photovoltaic module, 1, a vapor deposition method coating process is adopted for the battery piece, and silicon nitride coating is carried out on the battery piece, wherein the thickness of the silicon nitride film is 20-75nm or 120-300nm, so that the color requirement of the battery piece of the full-black module is met finally; 2. a black frame is adopted; 3. the black film tape covers the surface of the interconnection strip welding tape; 4. the black shielding strips are covered on the head-tail bus bars by using the adhesive tape, so that black can be seen at any angle after the battery piece is packaged into a component.
Description
Technical Field
The invention relates to the technical field of photovoltaics, in particular to a production process of a full black solar photovoltaic module.
Background
The photovoltaic module is a key component of the distributed photovoltaic system, and is used for converting light energy into electric energy, the photovoltaic module is formed by serially packaging single-chip battery pieces, high voltage can be obtained through the serially connected module, and multiple strings of battery pieces are connected in parallel to obtain high current.
In the market, in the production process of battery piece coating film in the photovoltaic module, all adopt the silicon nitride coating film, the gas that lets in of the in-process of silicon nitride coating film is silane and ammonia, and the thickness of silicon nitride is between 73-100nm for the photovoltaic module finally presents blue, just has led to the photovoltaic system to have the glare pollution in the in-process of application, and when the design of some special buildings, such as black architectural style designs, the photovoltaic module of blue is inapplicable, and in the market, the photovoltaic module of partial black is only dark blue, can't accomplish the effect of full black, consequently need further research improvement in the photovoltaic module field of full black.
Disclosure of Invention
The invention provides a production process of a full black solar photovoltaic module in order to overcome the defects.
The invention realizes the above purpose through the following technical scheme:
A production process of a full black solar photovoltaic module comprises the following steps:
S1, coating a battery piece, namely coating the battery piece by adopting a vapor deposition method, and then visually classifying by a worker;
S2, welding a battery piece: welding the interconnection welding strips on the main grid lines on the front and back sides of the battery piece, wherein the length of each interconnection welding strip is 2 times of that of the battery piece, and the extra interconnection welding strips are connected with the back electrode of the next battery piece when the front electrode of the battery piece is welded, so that 60 or 72 battery pieces are connected in series in sequence to form a series of groups;
s3, stacking: firstly, splicing the serially connected battery strings into a battery matrix by using a bus belt, and sequentially laying glass, a hot melt adhesive film, the battery matrix, the hot melt adhesive film and a back plate one by one from bottom to top to form a component to be laminated;
S4, stacking inspection;
s5, laminating: placing the laid components to be laminated into a laminating machine, vacuumizing to extract air in the components to be laminated, heating to enable the hot melt adhesive film to be melted to bond the battery matrix, the glass and the back plate together, and enabling the hot melt adhesive film to extend outwards due to pressure to be solidified to form burrs after the hot melt adhesive film is melted during lamination, cutting off all the components after lamination is finished, and finally cooling to take out the battery components;
S6, lamination inspection;
S7, assembling a frame: the glass of the battery component is provided with an aluminum frame, the color of the frame is black, gaps between the frame and the glass of the battery component are filled with silicone resin, and the frames are connected by angle keys;
s8, installing a junction box: in the step S2, the battery square matrix is connected with two leads, the leads are led out from the space between the glass and the back plate in the step S3, the two leads are connected with a diode, the diode is fixed in a junction box, and silica gel is laid on the back of the junction box;
S9, curing the assembly: placing the assembly with the frame and the junction box in a curing room, and curing the silicone resin of the frame and the silica gel of the junction box;
s10, cleaning the assembly, wiping the glass surface of the battery assembly, the back plate dirt and the silica gel to ensure the cleanliness of the battery assembly, and removing burrs at four corners of an aluminum frame;
S11, testing the components, and detecting the battery components;
S12, checking the appearance of the finished product;
s13, packaging and warehousing;
In the step S1, a silicon nitride film is adopted for coating the battery piece, the thickness of the silicon nitride film is 20-75nm or 120-300nm, the coating time of the battery piece is 20-70 minutes, the temperature is 200-500 ℃ during coating, mixed gas is introduced during coating, the mixed gas comprises silane, ammonia and laughing gas, the volume ratio of the silane to the laughing gas is 0.3-7, the volume ratio of the silane to the ammonia is 2-20, and the volume ratio of the ammonia to the laughing gas is 0.6-140, so that the requirement of meeting the color of the battery piece of the black component is met.
Introducing mixed gas including silane, ammonia and laughing gas in the process of manufacturing the silicon nitride film of the battery piece, and forming a layer of silicon nitride anti-reflection film attached to the surface of the battery piece by a plasma enhanced chemical vapor deposition method, so that the battery piece presents purple red or black gray, and finally presents the effect of a black photovoltaic module;
in the step S2, an automatic film pasting device is arranged in the middle of the welding machine, a black film tape is automatically covered on the surface of the interconnection welding tape, and the black film tape is adhered to the interconnection welding tape by heating;
in step S3, the black shield strips are covered on the head-to-tail bus bars with an adhesive tape.
Preferably, in the step S1, the volume ratio of silane to ammonia is 2-20, and the volume ratio of ammonia to laughing gas is 0.6-140.
Preferably, in the step S2, the interconnection strap is a tin-plated copper strap, and the interconnection strap is welded to the main grid line in a multi-point manner by a welding machine, and the heat source for welding is an infrared lamp.
Preferably, in the step S2, the welding and laminating time of the 60-piece battery pack is 3 minutes, and the welding and laminating time of the 72-piece battery pack is 5 minutes.
Preferably, in step S4, the inspector is responsible for 100% visual inspection of the laminated components and inspecting the laminated components using an infrared detector.
Preferably, in step S6, the post-lamination inspector is responsible for performing a 100% visual inspection of the laminated battery assembly, and the laminated battery assembly is inspected using a visual straightening, tape measure and film gauge.
Preferably, in step S9, the humidity between curing is 50±5%rh and the temperature between curing is 25±2 ℃.
Preferably, in step S10, the battery pack is stored for 4±0.5 hours prior to wiping.
Preferably, in step S11, the detected parameters of the battery assembly are output power, open circuit voltage, and short circuit current.
The beneficial effects of the invention are as follows: the production process of the full black solar photovoltaic module comprises the following steps:
1. The method comprises the steps of adopting a vapor deposition method to coat a film on a battery piece, wherein the battery piece is coated with a silicon nitride film, the thickness of the silicon nitride film is 20-75nm or 120-300nm, the film coating time of the battery piece is 20-70 minutes, the temperature is 200-500 ℃ during film coating, mixed gas is introduced during film coating, the mixed gas comprises silane, ammonia gas and laughing gas, and the volume ratio of the silane to the laughing gas is 0.3-7, so that the color requirement of the battery piece with the all-black component is finally met;
2. the black frame is adopted, so that the frame of the photovoltaic module and the whole body can be black at the same time;
3. The black film tape covers the surface of the interconnection strip welding tape, and the interconnection strip welding tape cannot be seen from the glass;
4. Covering the black shielding strips on the head and tail bus strips by using an adhesive tape, wherein the bus strips cannot be seen from the glass; in conclusion, black can be seen at any angle after the battery piece is packaged into a component.
Detailed Description
The present invention will now be described in further detail.
A production process of a full black solar photovoltaic module comprises the following steps:
S1, coating a battery piece, namely coating the battery piece, wherein the battery piece is coated with a silicon nitride film, the thickness of the silicon nitride film is 20-75nm or 120-300nm, the coating time of the battery piece is 20-70 minutes, the temperature is 200-500 ℃ in the coating process, mixed gas is introduced in the coating process, the mixed gas comprises silane, ammonia gas and laughing gas, the volume ratio of the silane to the laughing gas is 0.3-7, the volume ratio of the silane to the ammonia gas is 2-20, the volume ratio of the ammonia gas to the laughing gas is 0.6-140, and the battery piece is visually classified by staff and is divided into blue and black according to colors;
S2, welding a battery piece: the method comprises the steps of welding an interconnection welding strip on a main grid line on the front surface and the back surface of a battery piece, wherein the interconnection welding strip is a tinned copper strip, the interconnection welding strip is welded on the main grid line in a multi-point mode through a welding machine, a heat source for welding is an infrared lamp, the length of the interconnection welding strip is 2 times that of the battery piece, the extra interconnection welding strip is connected with a back electrode of the next battery piece when the front electrode of the battery piece is welded, 60 or 72 battery pieces are connected in series in sequence to form a series, meanwhile, an automatic film pasting device is arranged in the middle of the welding machine, the black film strip is automatically covered on the surface of the interconnection welding strip, the black film strip is pasted with the interconnection welding strip through heating, the welding and pasting time of 60 battery piece groups is 3 minutes, and the welding and pasting time of 72 battery piece groups is 5 minutes;
s3, stacking: firstly, splicing the serially connected battery strings into a battery matrix by using a bus belt, covering black shielding strips on the head and tail bus belts by using an adhesive tape, so that the effect that the bus belts cannot be seen by the front surface of glass is achieved, adjusting the distance between the batteries to form a foundation for lamination, laying glass, a hot melt adhesive film, the battery matrix, the hot melt adhesive film and a back plate one by one in sequence from bottom to top, forming a component to be laminated, wherein the glass adopts toughened glass;
S4, lamination inspection, wherein an inspector is responsible for carrying out 100% visual inspection on the laminated components, and using an infrared detector to inspect the laminated components, and mainly inspecting whether the laminated components are black or not and whether the appearance accords with inspection standards or not;
s5, laminating: placing the laid components to be laminated into a laminating machine, vacuumizing to extract air in the components to be laminated, heating to enable the hot melt adhesive film to be melted to bond the battery matrix, the glass and the back plate together, and enabling the hot melt adhesive film to extend outwards due to pressure to be solidified to form burrs after the hot melt adhesive film is melted during lamination, cutting off all the components after lamination is finished, and finally cooling to take out the battery components;
S6, lamination inspection, wherein an inspector after lamination is responsible for carrying out 100% visual inspection on the laminated battery assembly, and the laminated battery assembly is inspected by using a visual straightening rule, a tape measure and a film rule, so as to mainly inspect whether the laminated battery assembly is black or not and whether the appearance accords with an inspection standard or not;
S7, assembling a frame: the glass of the battery component is provided with an aluminum frame, the color of the frame is black, gaps between the frame and the glass of the battery component are filled with silicone resin, and the frames are connected by angle keys;
s8, installing a junction box: in the step S2, the battery square matrix is connected with two leads, the leads are led out from the space between the glass and the back plate in the step S3, the two leads are connected with a diode, the diode is fixed in a junction box, and silica gel is laid on the back of the junction box;
S9, curing the assembly: placing the assembly with the frame and the junction box in a curing room, curing the silicone resin of the frame and the silica gel of the junction box, wherein the humidity of the curing room is 50+/-5% rh, and the temperature of the curing room is 25+/-2 ℃;
s10, cleaning the components, wherein the battery components are stored for 4+/-0.5 hours before wiping, the glass surface and the back plate of the battery components are wiped, the cleanliness of the battery components is ensured by silica gel, and burrs at four corners of an aluminum frame are removed;
s11, testing components, namely detecting the battery components, wherein the detection parameters of the battery components include output power, open-circuit voltage and short-circuit current;
S12, checking the appearance of the finished product;
s13, packaging and warehousing.
The following battery cell side lengths are not limited to 156.75mm, 158.75mm, 166mm, 210mm dimensions, and 60 battery cells in series are exemplified as test reports with power of 295W, 300W, 305W, and 310W, respectively.
The present invention has been made in view of the above-described circumstances, and it is an object of the present invention to provide a portable electronic device capable of performing various changes and modifications without departing from the scope of the technical spirit of the present invention. The technical scope of the present invention is not limited to the description, but must be determined according to the scope of claims.
Claims (9)
1. The production process of the full black solar photovoltaic module is characterized by comprising the following steps of: the method comprises the following steps:
S1, coating a battery piece, namely coating the battery piece by adopting a vapor deposition method, and then visually classifying by a worker;
S2, welding a battery piece: welding the interconnection welding strips on the main grid lines on the front and back sides of the battery piece, wherein the length of each interconnection welding strip is 2 times of that of the battery piece, and the extra interconnection welding strips are connected with the back electrode of the next battery piece when the front electrode of the battery piece is welded, so that 60 or 72 battery pieces are connected in series in sequence to form a series of groups;
s3, stacking: firstly, splicing the serially connected battery strings into a battery matrix by using a bus belt, and sequentially laying glass, a hot melt adhesive film, the battery matrix, the hot melt adhesive film and a back plate one by one from bottom to top to form a component to be laminated;
S4, stacking inspection;
s5, laminating: placing the laid components to be laminated into a laminating machine, vacuumizing to extract air in the components to be laminated, heating to enable the hot melt adhesive film to be melted to bond the battery matrix, the glass and the back plate together, and enabling the hot melt adhesive film to extend outwards due to pressure to be solidified to form burrs after the hot melt adhesive film is melted during lamination, cutting off all the components after lamination is finished, and finally cooling to take out the battery components;
S6, lamination inspection;
S7, assembling a frame: the glass of the battery component is provided with an aluminum frame, the color of the frame is black, gaps between the frame and the glass of the battery component are filled with silicone resin, and the frames are connected by angle keys;
s8, installing a junction box: in the step S2, the battery square matrix is connected with two leads, the leads are led out from the space between the glass and the back plate in the step S3, the two leads are connected with a diode, the diode is fixed in a junction box, and silica gel is laid on the back of the junction box;
S9, curing the assembly: placing the assembly with the frame and the junction box in a curing room, and curing the silicone resin of the frame and the silica gel of the junction box;
s10, cleaning the assembly, wiping the glass surface of the battery assembly, the back plate dirt and the silica gel to ensure the cleanliness of the battery assembly, and removing burrs at four corners of an aluminum frame;
S11, testing the components, and detecting the battery components;
S12, checking the appearance of the finished product;
s13, packaging and warehousing;
In the step S1, a silicon nitride film is adopted for coating the battery piece, the thickness of the silicon nitride film is 20-75nm or 120-300nm, the coating time of the battery piece is 20-70 minutes, the temperature is 200-500 ℃ during coating, mixed gas is introduced during coating, the mixed gas comprises silane, ammonia gas and laughing gas, and the volume ratio of the silane to the laughing gas is 0.3-7;
in the step S2, an automatic film pasting device is arranged in the middle of the welding machine, a black film tape is automatically covered on the surface of the interconnection welding tape, and the black film tape is adhered to the interconnection welding tape by heating;
in step S3, the black shield strips are covered on the head-to-tail bus bars with an adhesive tape.
2. The production process of the full black solar photovoltaic module according to claim 1, wherein: in the step S1, the volume ratio of silane to ammonia is 2-20, and the volume ratio of ammonia to laughing gas is 0.6-140.
3. The production process of the full black solar photovoltaic module according to claim 1, wherein: in the step S2, the interconnection strip welding strip is a tinned copper strip, the interconnection strip welding strip is welded on the main grid line in a multi-point mode through a welding machine, and a heat source for welding is an infrared lamp.
4. The production process of the full black solar photovoltaic module according to claim 1, wherein: in the step S2, the welding and film pasting time of the 60-piece battery pack is 3 minutes, and the welding and film pasting time of the 72-piece battery pack is 5 minutes.
5. The production process of the full black solar photovoltaic module according to claim 1, wherein: in step S4, the inspector is responsible for 100% visual inspection of the laminated components to be laminated, and inspecting the components to be laminated by using an infrared detector.
6. The production process of the full black solar photovoltaic module according to claim 1, wherein: in step S6, the post-lamination inspector is responsible for performing a 100% visual inspection of the laminated battery assembly, and inspecting the laminated battery assembly using a visual straightening, tape measure and film measure.
7. The production process of the full black solar photovoltaic module according to claim 1, wherein: in step S9, the humidity between curing is 50.+ -. 5% rh and the temperature between curing is 25.+ -. 2 ℃.
8. The production process of the full black solar photovoltaic module according to claim 1, wherein: in step S10, the battery pack is stored for 4±0.5 hours before wiping.
9. The production process of the full black solar photovoltaic module according to claim 1, wherein: in step S11, the detected parameters of the battery assembly include output power, open circuit voltage, and short circuit current.
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| CN111952410B (en) * | 2020-07-01 | 2021-12-03 | 嘉兴奥力弗光伏科技有限公司 | Manufacturing method of double-glass double-sided half-piece solar module |
| CN114944441B (en) * | 2022-05-23 | 2023-07-25 | 横店集团东磁股份有限公司 | Full-black crystalline silicon solar cell, preparation method thereof and photovoltaic module |
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