CN112103372B - Flexible plate pressing type solar cell module laminating machine and laminating method - Google Patents
Flexible plate pressing type solar cell module laminating machine and laminating method Download PDFInfo
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- CN112103372B CN112103372B CN202011041131.6A CN202011041131A CN112103372B CN 112103372 B CN112103372 B CN 112103372B CN 202011041131 A CN202011041131 A CN 202011041131A CN 112103372 B CN112103372 B CN 112103372B
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- 238000003825 pressing Methods 0.000 title claims abstract description 163
- 238000010030 laminating Methods 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 61
- 239000000741 silica gel Substances 0.000 claims abstract description 61
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 61
- 238000010438 heat treatment Methods 0.000 claims description 28
- 238000007789 sealing Methods 0.000 claims description 20
- 238000005485 electric heating Methods 0.000 claims description 12
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 6
- 239000004917 carbon fiber Substances 0.000 claims description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 229910052755 nonmetal Inorganic materials 0.000 claims description 4
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 2
- 210000003850 cellular structure Anatomy 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract 1
- 210000004027 cell Anatomy 0.000 description 60
- 239000000853 adhesive Substances 0.000 description 11
- 230000001070 adhesive effect Effects 0.000 description 11
- 239000011521 glass Substances 0.000 description 11
- 239000002826 coolant Substances 0.000 description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000005038 ethylene vinyl acetate Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 239000004636 vulcanized rubber Substances 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000007767 bonding agent Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000002699 waste material Substances 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
- H01L31/1876—Particular processes or apparatus for batch treatment of the devices
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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
- H01L31/0488—Double glass encapsulation, e.g. photovoltaic cells arranged between front and rear glass sheets
-
- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention provides a flexible plate pressing type solar cell component laminating machine and a laminating method aiming at the problem that when a solar cell component is laminated, the solar cell component is warped due to uneven pressure on the upper surface of the solar cell component, the laminating machine comprises an upper vacuum cavity and a lower vacuum cavity which are formed by dividing a silica gel plate, a plate pressing piece is fixedly arranged on the surface of the silica gel plate, the shape of the lower surface of the plate pressing piece is matched with the shape of the surface of the pressed cell component, the size of the plate pressing piece is matched with the size of the solar cell component, the upper cavity presses the solar cell component in the lower cavity through the plate pressing piece, and by adopting the flexible plate pressing type solar cell component laminating machine and the laminating method provided by the invention, all points on the cell component are uniformly pressed, and the cell component is not easy to deform and warp, the cushioning effect of silica gel board can reduce the impact force to battery pack, reduces battery pack's breakage rate.
Description
Technical Field
The invention relates to the technical field of solar laminating machines, in particular to a flexible plate pressing type solar cell module laminating machine and a laminating method.
Background
The solar dual-glass battery assembly generally comprises an upper layer glass plate, a lower layer glass plate and a battery piece arranged between the two layers of glass plates, wherein the battery piece is fixed with the upper layer glass plate and the lower layer glass plate through EVA (ethylene vinyl acetate) glue. Before the solar cell module is used, the upper glass plate, the lower glass plate and the cell piece are pressed into a whole by using a laminating machine, and air bubbles between layers are discharged. In the prior art, the laminating machine comprises an upper box body and a lower box body, wherein the upper box body and the lower box body form a sealed cavity, the upper box body is provided with a silicon cavity plate, a workbench is arranged in the lower box body, and the sealed cavity is divided into an upper cavity and a lower cavity by the silicon cavity plate, namely the upper cavity and the lower cavity. During lamination, the solar cell module is positioned in the lower cavity and on the workbench, the lower cavity is vacuumized, then gas is filled into the upper cavity, and the silica gel plate is used for applying pressure to the solar cell module. Because the silica gel plate has elasticity, the silica gel plate protrudes towards the workbench along with the increase of the amount of gas filled in the upper cavity, the outer side surface of the silica gel plate is in a cambered surface shape like an air bag, when the silica gel plate is contacted with the upper surface of the solar cell module, the pressure is applied to the solar cell module, and the pressure is increased along with the increase of the gas pressure in the upper cavity. Because the application of force face of silica gel board is the cambered surface, and solar module's atress face is the plane, and the atress size of each point on the cambered surface is different, consequently, the pressure size that each point on solar module upper surface received is also different to lead to solar module's upper surface atress inequality. Meanwhile, when heating and pressurizing are carried out, only the workbench is heated, namely, only the lower surface of the solar cell module is directly heated, the upper surface of the solar cell module is indirectly heated, and the upper surface and the lower surface of the solar cell module are heated unevenly. Uneven pressure and uneven heating are easy to cause the warping of the periphery of the solar cell module, thereby causing waste products.
Disclosure of Invention
The invention aims to provide a flexible plate pressing type solar cell module laminating machine and a laminating method, aiming at the problem that when a solar cell module is laminated in the prior art, the solar cell module is warped due to uneven pressure applied to the upper surface of the solar cell module, so that the rejection rate is improved.
The purpose of the invention is realized by the following technical scheme:
a flexible plate pressing type solar cell module laminating machine comprises an upper box body and a lower box body, wherein an upper cavity body is arranged on the upper box body, a lower cavity body is arranged on the lower box body, a workbench for supporting a cell module is arranged in the lower cavity body, the upper cavity body and the lower cavity body are respectively communicated with a vacuum device, the lower opening of the upper cavity body is sealed by a silica gel plate, when the upper box body and the lower box body are closed, the upper box body and the lower box body are divided into an upper cavity chamber and a lower cavity chamber which are independent by the silica gel plate, a plate-shaped pressing piece is fixedly arranged on the surface of the silica gel plate, the shape of the lower surface of the plate-shaped pressing piece is matched with the surface shape of the pressed cell module, the size of the plate-shaped pressing piece is matched with the size of the solar cell module, and the upper cavity body presses the solar cell module through the plate-shaped pressing piece;
the upper box body is provided with an upper cavity, and one or more plate-shaped pressing pieces are arranged on the surface of the silica gel plate; or the upper box body comprises a plurality of independent upper cavities, each upper cavity is provided with an independent inflation branch pipe, the inflation branch pipes are provided with valves, the inflation branch pipes are connected with an air source through a main pipe, the lower opening of each upper cavity is sealed by a silica gel plate, and the surface of each silica gel plate is provided with one or more plate-shaped pressing parts;
the plate-shaped pressing piece is a heating plate; the heating plate is an electric heating plate, positive and negative terminals for connecting a power supply and a heating element arranged in the electric heating plate are arranged on the plate-shaped pressing piece, and the terminals are vertically arranged on the upper surface of the plate-shaped pressing piece; the upper surface of the plate-shaped pressing piece is provided with a temperature sensor for measuring the temperature of the plate-shaped pressing piece, and the temperature sensor is electrically connected with the power supply and the controller;
the guide column is arranged on the plate-shaped pressing piece, a threading hole is formed in the axial direction of the guide column, the lower end of the guide column is fixedly connected with the plate-shaped pressing piece, a through hole with the diameter larger than the outer diameter of the guide column is formed in the silica gel plate, the upper end of the guide column penetrates through the through hole and the upper cavity and then is fixedly connected with the upper box body in a sealing mode, the lower end of the guide column is fixedly connected with the silica gel plate in a sealing mode, and a lead used for being connected with a power supply is led out of the upper box body from the threading hole; the positions of the positive terminal, the negative terminal and the temperature sensor are respectively arranged corresponding to the positions of the lead posts, and the terminals and the temperature sensor are arranged in the threading holes;
a guide seat is arranged on the upper box body corresponding to the position of the guide post, a vertical guide hole is arranged on the guide seat, the guide hole is coaxial with the corresponding guide post, the diameter of the guide hole is matched with the outer diameter of the guide post, and the guide post is in up-and-down moving sealing connection with the guide seat through the guide hole;
the upper end and the lower end of the guide hole are respectively provided with a guide ring, a first sealing ring is arranged between the two guide rings on the guide seat, and a second sealing ring is arranged on the contact surface of the guide seat and the upper box body;
the plate-shaped pressing piece is a carbon fiber plate, or consists of an electric heating element arranged between an upper plate body and a lower plate body, and the plate body is a non-metal plate with the thickness of 5-10mm or a metal plate with the thickness of 4-6 mm;
a laminating method for a solar battery assembly is characterized in that when the battery assembly is pressed, a rigid plate-shaped pressing piece with the surface matched with the surface of the pressed battery assembly is adopted to press the battery assembly, and the plate-shaped pressing piece is connected with an upper box body through an elastic piece so as to absorb the reaction force of the battery assembly when the rigid plate-shaped pressing piece is in flexible contact with the surface of the battery assembly when the plate-shaped pressing piece is in contact with the battery assembly;
heating or cooling the solar cell module while applying pressure thereto;
the solar cell module is heated or cooled by the cell module pressing member and the table while pressing the solar cell module.
By adopting the built-in plate-shaped pressing piece type laminating machine provided by the invention, as the plate-shaped pressing piece is arranged on the surface of the silica gel plate, the lower surface of the plate-shaped pressing piece is matched with the shape of the upper surface of the battery component, and the plate-shaped pressing piece is fixedly connected with the silica gel plate, after the upper cavity is filled with gas, the silica gel plate expands towards the outside of the upper cavity under the action of the gas, the plate-shaped pressing piece is driven to move towards the battery component, and the pressure is transferred to the plate-shaped pressing piece to press the solar battery component by the plate-shaped pressing piece. The pressing surface of the plate-shaped pressing piece is matched with the shape of the bearing surface of the battery assembly, and the pressure in the upper cavity is consistent, so that the pressure of the plate-shaped pressing piece on the battery assembly is consistent on each point of the battery assembly, the solar battery assembly is uniformly pressed, the battery assembly is not easy to deform and warp, more importantly, in the process of pressing the battery assembly, when the plate-shaped pressing piece is in contact with the battery assembly, the plate-shaped pressing piece is arranged on the silica gel plate, and the silica gel plate has elasticity, so that when the plate-shaped pressing piece falls on the surface of the battery assembly, the plate-shaped pressing piece rebounds upwards, the contact between the plate-shaped pressing piece and the battery assembly is flexible, the battery assembly cannot be impacted or the impact is small, and the breakage rate of the battery assembly can be greatly reduced. The laminator of the present invention can be either a cold press or a hot press.
When the plate-shaped pressing piece is a carbon fiber heating plate or an electric heating plate, the upper surface and the lower surface of the solar cell module can be simultaneously heated by the workbench and the plate-shaped pressing piece while the cell module is pressurized, so that the solar cell module is uniformly heated, and warping is reduced. The invention adopts the structure that the surface of the solar cell module is pressed by the plate and the upper surface and the lower surface of the solar cell module are simultaneously heated, thereby effectively avoiding the warping of the solar cell module and improving the yield.
The laminating method for the solar cell module adopts the rigid plate-shaped pressing piece with the surface matched with the surface of the pressed cell module to press the cell module, and the rigid plate-shaped pressing piece is flexibly contacted with the surface of the cell module when being contacted with the cell module, so that the surface of the cell module is uniformly pressed, and the rigid plate-shaped pressing piece can not generate impact force or generate small impact force on the cell module when the pressing piece falls on the surface of the cell module, therefore, the pressed cell module does not generate or rarely generates warpage, the cell module is not easy to break, the yield is high, and the quality is good.
The upper surface and the lower surface of the solar cell module are simultaneously heated or cooled while the solar cell module is pressurized, so that the extension amount or the contraction amount of the upper glass plate and the lower glass plate of the solar cell module are basically the same, and the warping phenomenon is reduced.
Drawings
FIG. 1 is a schematic diagram illustrating a front view, cross-sectional view of a flexible sheet press solar cell module laminator according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a front view, a cross-sectional view, and a cross-sectional view of a flexible-sheet-press solar cell module laminator according to an embodiment of the present invention;
fig. 3 is an enlarged view of a portion a in fig. 1.
Description of the reference numerals
1. A work table; 2. pressing a strip; 3. an upper cavity; 31. a silica gel plate; 4. a plate-shaped pressing member; 41. a heating element; 42. a binding post; 5. a guide post; 51. threading holes; 52. adhesive; 6. a guide seat; 61. a first sealing ring; 62. a guide ring; 63. a second sealing ring; 64. a temperature sensor; 65. a guide hole; 7. and (4) an upper box body.
Detailed Description
The invention is further described below with reference to specific examples:
as shown in fig. 1 to 3, the present invention provides a flexible plate pressing type solar cell module laminator, which comprises an upper box body and a lower box body which are arranged up and down oppositely, wherein an upper cavity 3 is arranged on the lower surface of the upper box body, the bottom of the upper cavity is sealed by a silica gel plate 31, a lower pressing strip 2 is arranged below the silica gel plate, the lower pressing strip presses around the silica gel plate, one end of a clamp is fixed on the upper box body, the other end of the clamp is fixed on the lower pressing strip, the silica gel plate is fixed on the upper cavity through the clamp, a plate pressing member 4 is fixedly arranged below the silica gel plate 31, the plate pressing member 4 is arranged close to the lower surface of the silica gel plate, one or more plate pressing members can be arranged, and the size of the plate pressing member is larger than or equal to the size of a solar cell module. The plate-shaped pressing piece 4 and the silica gel plate 31 are fixedly connected by bolts or adhesives, or can be connected by combining the two. When the bolt is used for connection, the bolt is a countersunk bolt, a counter bore matched with the countersunk bolt is arranged on the lower surface of the plate-shaped pressing piece 4, the end of the bolt is positioned in the counter bore, the nut is positioned in the upper cavity, and the surface of the end of the bolt is lower than the lower surface of the plate-shaped pressing piece, so that the bolt is prevented from influencing the contact between the plate-shaped pressing piece and the solar cell module. When the bolt is adopted for connection, sealing treatment needs to be carried out, and gas in the upper cavity is prevented from leaking from the connecting hole. When the adhesive is used for connection, the adhesive is arranged between the plate-shaped pressing piece and the silica gel plate, and the proper adhesive is used according to different plate-shaped pressing piece materials, so that the bonding is firm as much as possible. The laminating machine can be a hot press for laminating and solidifying the solar cell component, and can also be a cold press for cooling the solar cell component which is subjected to laminating and solidifying. The shape of the pressing surface of the plate-shaped pressing piece can be a plane or a curved surface, and the pressing surface is matched with the shape of the upper surface of a pressurized battery assembly in a word, so that the plate-shaped pressing piece is in surface-to-surface contact with the battery assembly when the plate-shaped pressing piece is in contact with the battery assembly, the pressure on each point of the upper surface of the battery assembly is uniform, the edge part is not easy to warp, furthermore, when the plate-shaped pressing piece is pressed, the plate-shaped pressing piece is fixedly arranged on the silica gel plate, the silica gel plate expands outwards under the action of gas pressure when the upper cavity is inflated so as to drive the plate-shaped pressing piece to move towards the battery assembly, when the plate-shaped pressing piece is in contact with the battery assembly, the impact force on the battery assembly is small, the silica gel plate can absorb the reaction force of the battery assembly, and the contact between the plate-shaped pressing piece and the battery assembly is flexible, the impact force to the battery assembly is further reduced, and thus the impact force to the battery assembly is very small when the plate-shaped pressing member is dropped to the surface of the battery assembly. The plate-shaped pressing piece can be arranged on the lower surface of the silica gel plate and directly contacted with the battery assembly, and also can be arranged on the upper surface of the silica gel plate, and the silica gel plate is arranged between the plate-shaped pressing piece and the battery assembly when the battery assembly is pressed.
When the heating plate is an electric heating plate, the heating element can be carbon fiber, an electric heating sheet, a resistance wire, or a medium heating plate, and when the heating plate is a medium heating plate, the heating element is a pipeline provided with a heating medium. In the case of an electric heating plate, two terminals 42 of positive and negative electrodes are provided on the plate-shaped pressing member 4, and the two terminals are preferably vertically provided on the upper surface of the plate-shaped pressing member 4. The two posts are preferably arranged in two ways: the structure is that two binding posts are arranged at one end of a plate-shaped pressing piece, and a central connecting line of the two binding posts is parallel to the side edge of the plate-shaped pressing piece; the other structure is that two binding posts are arranged at two ends of the plate-shaped pressing piece along the length direction of the plate-shaped pressing piece, the two binding posts are preferably symmetrical about the center line of the width direction of the plate-shaped pressing piece, and the center connecting line of the two binding posts is superposed with the center line of the length direction of the plate-shaped pressing piece.
A temperature sensor 64 for measuring the temperature of the plate-shaped pressing member is further provided on the upper surface of the plate-shaped pressing member, and the temperature sensor is connected to a power supply and a controller through a wire. The position relationship between the temperature sensor 64 and the binding post 42 is proper, when the binding posts adopt the first arrangement structure, the temperature sensor 64 is arranged at the other end opposite to the binding posts and is arranged on the central line of the central connecting line of the two binding posts, namely, the central connecting line of the two binding posts and the temperature sensor forms an isosceles triangle, and the center of the isosceles triangle is superposed with the center of the plate-shaped pressing piece; when the wiring terminals adopt the second arrangement structure, the temperature sensor is arranged at the midpoint of the central connecting line of the two wiring terminals, namely, the two wiring terminals and the temperature sensor are collinear, and the temperature sensor is arranged at the central position of the plate-shaped pressing part 4. Therefore, an isosceles triangle or a straight line structure with the center coinciding with the center of the plate-shaped pressing piece can be formed between the temperature sensor and the binding post.
Preferably, a guide post is provided on the plate-shaped pressing member, and an axial threading hole 51 is provided in the guide post 5. The through hole is arranged at the position, corresponding to the guide post 5, on the silica gel plate 31, the through hole is in clearance fit connection or tight fit connection with the guide post 5, the upper end of the guide post 5 penetrates through the through hole and then enters the upper cavity 3, and the lower end of the guide post 5 is fixedly connected with the silica gel plate 31 through the adhesive 52 in a bonding manner. The adhesive is preferably vulcanized rubber, because the vulcanized rubber can generate an adhesive reaction with the silica gel plate 31 after being heated, the adhesion is firm, and the adhesive can seal the gap between the guide post 5 and the through hole. Preferably, the through hole is fixedly connected with the guide column in a tight fit manner, so that the silica gel plate also has the function of a sealing ring. Preferably, an adhesive is provided above the silicone plate and around the guide post, and the through hole and the guide post are further fixed and sealed by the adhesive.
When the plate-shaped pressing member is an electric heating plate, the terminals and the temperature sensors are respectively located in the corresponding threading holes 51. Because the guide posts correspond to the wiring posts and the temperature sensors, isosceles triangles or straight lines with the centers coinciding with the centers of the plate-shaped pressing pieces are also formed between the guide posts, and the two structures can ensure that the plate-shaped pressing pieces are kept horizontal in the process of moving up and down under the action of the guide posts, so that the solar cell module is prevented from being stressed unevenly due to the inclination of the plate-shaped pressing pieces. When the plate-shaped pressing piece consists of a plate body and a pipeline provided with a medium, a connecting pipe connected with the pipeline penetrates through the threading hole to be connected with the pipeline.
Furthermore, a guide device is arranged on the guide column 5 in a matching way, the guide device is preferably a guide seat 6, and the guide seat 6 is fixedly connected with the upper box body through a bolt. The guide seat 6 is provided with a guide hole 65 matched with the guide post 5, and the guide hole 65 and the guide post are coaxially arranged. The upper end and the lower end of the guide hole 65 are respectively provided with a guide ring 62, a first sealing ring 61 is arranged between the two guide rings 62, the guide column 5 is arranged in the guide rings 62 and the first sealing ring 61 and can move up and down, and the guide rings 62 have a dustproof function while guiding. A second sealing ring 63 is arranged on the contact surface of the guide seat 6 and the upper box body 7, and the first sealing ring 61 and the second sealing ring 63 can prevent gas in the upper cavity 3 from leaking from the bolt connecting hole or the guide hole. Under the guiding action of the guide seat 6, the guide post 5 can keep moving vertically up and down.
When the plate-shaped pressing member is a heating plate, the heating element may be carbon fiber, an electric heating sheet, a resistance wire, or the like, and a heating pipe provided with a heating medium may also be used, the carbon fiber plate is preferably used as the plate-shaped pressing member 4, and when the heating sheet or the resistance wire is used as the heating element, the plate body includes an upper layer and a lower layer, the thicknesses of the upper layer and the lower layer are preferably the same, and the material thereof is preferably a light non-metal plate or a light metal plate, such as a teflon plate, an aluminum plate, or the like. The light plate is selected for use, so that the bearing burden of the silica gel plate 31 can be reduced, the influence on the service life of the silica gel plate 31 due to the overweight burden is avoided, and the glass plate in the solar cell module is prevented from being crushed. The heating element can adopt a resistance wire or a heating sheet which are respectively connected with the wiring terminal. When the plate-shaped pressing piece is adopted, the heating sheet can be bonded between the upper and lower two-layer plate bodies through the bonding agent; when the resistance wire is adopted, the opposite surfaces of the upper layer plate body and the lower layer plate body can be provided with grooves matched with the resistance wire, and the resistance wire is arranged in the grooves. When a non-metal plate is used as the plate-shaped pressing member 4, the thickness thereof is preferably 5 to 10mm, and when a metal plate is used, the thickness thereof is preferably 4 to 6 mm. The lead wire of the connecting plate-shaped pressing piece is arranged in the guide hole and is connected with the heating element through a binding post.
When the cold press is used, the plate-shaped pressing piece consists of an upper plate body, a lower plate body and a cooling medium pipe arranged between the two plate bodies, the cooling medium pipe is uniformly distributed between the two plate bodies, an annular groove or a curve-shaped folding groove for accommodating the cooling medium pipe can be arranged on the inner surfaces of the two plate bodies, and the cooling medium pipe is arranged in the groove. And a connecting pipe connected with the cooling medium pipe penetrates through the wiring hole and penetrates out of the upper cavity body.
The upper cavity can be provided with one or more than one, and the specific structure is as follows:
in the first embodiment, an upper cavity 3 is arranged on an upper box body, a plate-shaped pressing piece or a plurality of plate-shaped pressing pieces 4 are arranged below a silica gel plate 31, when one plate-shaped pressing piece is arranged, the length of the plate-shaped pressing piece is larger than or equal to the longest distance from a first battery component to a last battery component in the length direction, and the width of the plate-shaped pressing piece is larger than or equal to the longest distance between the first plate-shaped pressing piece and the last plate-shaped pressing piece in the width direction, so that one silica gel plate simultaneously corresponds to a plurality of solar battery components and covers all the battery components; when a plurality of plate-shaped pressing parts are arranged, each plate-shaped pressing part is provided with a wire guide column, each wire guide column is correspondingly provided with a guide device, and the length and the width of each plate-shaped pressing part can correspond to the length and the width of one or more solar cell modules, namely the plate-shaped pressing parts can cover the corresponding cell modules. Because the plurality of plate-shaped pressing pieces are fixedly connected to the same silica gel plate, the plate-shaped pressing pieces are lifted or lowered in the same action during working. The structure is suitable for simultaneously pressurizing more solar cell modules.
In the second embodiment, a plurality of upper cavities 3 are arranged on the upper box body, each upper cavity 3 is composed of a frame arranged on the lower end face of the upper box body, a silica gel plate is arranged below each frame, the lower opening of the lower frame is sealed by the silica gel plate, a lower pressing strip 2 is arranged below the silica gel plate, the lower pressing strip 2 is pressed around the silica gel plate, a sealing ring is arranged on the lower end face of the lower pressing strip, one end of a clamp is fixed on the lower pressing strip, the other end of the clamp is fixed on the upper box body, and the pressing strip is fixed on the upper box body through the clamp, so that the silica gel plate is fixed. An independent inflation pipeline is correspondingly arranged in each upper cavity 3, a control valve is arranged on each inflation pipeline, each independent inflation pipeline is communicated with the total inflation pipeline, and one or more plate-shaped pressing parts 4 are correspondingly arranged below each upper cavity 3. According to the production situation, one or more of the valves of the upper cavity 3 are opened, the upper cavity 3 is inflated to perform the pressurization operation, and the valves of the other upper cavities 3 are closed. The structure is suitable for the condition that when the production is small, in order to save energy, all plate-shaped pressing pieces do not need to be started, and part of the plate-shaped pressing pieces can finish the work.
The operation of the hot press will be described below by way of example. When the solar cell module works, the solar cell module is positioned on the workbench 1 and corresponds to the plate-shaped pressing piece 4 to heat the workbench 1. The upper box body moves downwards until the lower pressing strip 2 arranged below the upper box body falls onto the workbench 1, at the moment, the upper box body and the lower box body are sealed, the silica gel plate 31, the workbench 1 and the lower pressing strip 2 form a closed lower cavity, the solar cell module is located in the lower cavity, and the upper cavity and the silica gel plate form a sealed upper cavity. The lower chamber is evacuated to facilitate the gas in the solar cell module to be discharged, and then the upper chamber 3 is inflated, and in the process of inflating the upper chamber 3, the silicone plate 31 expands outward, so that the plate-shaped pressing member 4 moves downward, the plate-shaped pressing member 4 pressurizes the solar cell module under the action of the air pressure in the upper chamber 3, and simultaneously, the plate-shaped pressing member 4 heats the upper surface of the cell module.
Claims (7)
1. A flexible plate pressing type solar cell module laminating machine comprises an upper box body and a lower box body, wherein an upper cavity (3) is arranged on the upper box body, a lower cavity is arranged on the lower box body, a workbench for supporting a cell module is arranged in the lower cavity, the upper cavity (3) and the lower cavity are respectively communicated with a vacuum device, the lower opening of the upper cavity (3) is sealed by a silica gel plate (31), when the upper box body and the lower box body are closed, the upper box body and the lower box body are divided into an independent upper cavity and a lower cavity by the silica gel plate, the flexible plate pressing type solar cell module laminating machine is characterized in that a plate pressing piece (4) is fixedly arranged on the surface of the silica gel plate (31), the shape of the lower surface of the plate pressing piece is a plane or a curved surface, the shape of the lower surface of the plate pressing piece (4) is matched with the surface shape of a pressed cell module, and the plate pressing piece is in surface-surface contact with the upper surface of the pressed cell module when the plate pressing piece is in contact with the cell module, the pressure on each point on the upper surface of the solar cell module is uniform, the size of the plate-shaped pressing piece is larger than or equal to that of the solar cell module, and the upper cavity (3) presses the solar cell module through the plate-shaped pressing piece (4);
the plate-shaped pressing piece is a heating plate; the heating plate is an electric heating plate, a positive terminal and a negative terminal (42) which are used for connecting a power supply and a heating element arranged in the electric heating plate are arranged on the plate-shaped pressing piece (4), and the positive terminal and the negative terminal (42) are vertically arranged on the upper surface of the plate-shaped pressing piece (4); the upper surface of the plate-shaped pressing piece (4) is provided with a temperature sensor (64) for measuring the temperature of the plate-shaped pressing piece, the temperature sensor (64) is electrically connected with a power supply and a controller,
a guide post is arranged on the plate-shaped pressing piece, a threading hole (51) is arranged along the axial direction of the guide post (5), the lower end of the guide post (5) is fixedly connected with the plate-shaped pressing piece (4), a through hole with the diameter larger than the outer diameter of the guide post (5) is arranged on the silica gel plate (31), the upper end of the guide post (5) penetrates through the through hole and the upper cavity (3) and then is fixedly connected with the upper box body (7) in a sealing way, the lower end of the guide post (5) is fixedly connected with the silica gel plate (31) in a sealing way, and a lead wire connected with a power supply is led out of the upper box body from the threading hole; the positions of the positive and negative terminals and the temperature sensor are respectively arranged corresponding to the positions of the guide post, and the positive and negative terminals (42) and the temperature sensor (64) are arranged in the threading hole (51);
the upper box body is provided with an upper cavity (3), and the lower surface of the silica gel plate is provided with one or more plate-shaped pressing pieces (4); or the upper box body comprises a plurality of independent upper cavities (3), each upper cavity (3) is provided with an independent inflation branch pipe, each inflation branch pipe is provided with a valve, the inflation branch pipes are connected with an air source through a main pipe, the lower opening of each upper cavity (3) is sealed by a silica gel plate, and the lower surface of each silica gel plate is provided with one or more plate-shaped pressing parts (4).
2. The laminator for flexible plate-pressing type solar cell modules according to claim 1, wherein a guide seat (6) is disposed on the upper box body corresponding to the position of the guide column (5), a vertical guide hole (65) is disposed on the guide seat (6), the guide hole is coaxial with the corresponding guide column (5), the diameter of the guide hole (65) is adapted to the outer diameter of the guide column (5), and the guide column (5) is connected with the guide seat (6) in a sealing manner by the guide hole (65) in a movable manner up and down.
3. The laminator for flexible plate-pressing solar cell modules according to claim 2, wherein the upper and lower ends of the guide hole (65) are respectively provided with a guide ring (62), a first sealing ring (61) is arranged between the two guide rings (62) on the guide seat, and a second sealing ring (63) is arranged on the contact surface of the guide seat (6) and the upper box body (7).
4. The flexible sheet press type solar cell module laminator according to claim 1, wherein said plate-like pressing member (4) is a carbon fiber plate or is composed of an upper plate body and a lower plate body between which an electric heating element is disposed, said plate body being a non-metal plate having a thickness of 5-10mm or a metal plate having a thickness of 4-6 mm.
5. A laminating method for a solar cell module, characterized in that the laminating is performed by using the laminator according to any one of claims 1 to 4, and when the cell module is pressed, the cell module is pressed by using a rigid plate-shaped pressing member having a surface fitting to the surface of the pressed cell module, and the plate-shaped pressing member is connected to the upper case by means of an elastic member so that the rigid plate-shaped pressing member is in flexible contact with the surface of the cell module when the plate-shaped pressing member is brought into contact with the cell module, thereby absorbing the reaction force of the cell module.
6. The laminating method for a solar cell module according to claim 5, wherein the solar cell module is heated or cooled while pressing it.
7. The laminating method for a solar cell module according to claim 5, wherein the cell module is heated or cooled by the cell module pressing member and the stage at the same time when the solar cell module is pressed.
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| JP3875708B2 (en) * | 2002-10-25 | 2007-01-31 | 中島硝子工業株式会社 | Manufacturing method of solar cell module |
| CN102386251B (en) * | 2011-11-24 | 2013-08-21 | 李毅 | Flexible solar cell photovoltaic component made with flexible substrate |
| CN208078002U (en) * | 2018-03-09 | 2018-11-09 | 营口金辰太阳能设备有限公司秦皇岛分公司 | A kind of novel laminated host |
| CN108598203A (en) * | 2018-06-15 | 2018-09-28 | 米亚索乐装备集成（福建）有限公司 | A kind of photovoltaic module laminater and its laminating method |
| CN111434493A (en) * | 2018-12-26 | 2020-07-21 | 汉能移动能源控股集团有限公司 | Laminating method of solar cell module and solar cell module |
| CN111710747A (en) * | 2020-05-18 | 2020-09-25 | 中威新能源(成都)有限公司 | Manufacturing method of silicon heterojunction solar cell module |
| CN212874506U (en) * | 2020-09-28 | 2021-04-02 | 河北科技师范学院 | Flexible plate pressing type solar cell module laminating machine |
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