CN116914006A - Photovoltaic module and processing technology thereof - Google Patents
Photovoltaic module and processing technology thereof Download PDFInfo
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- CN116914006A CN116914006A CN202311028136.9A CN202311028136A CN116914006A CN 116914006 A CN116914006 A CN 116914006A CN 202311028136 A CN202311028136 A CN 202311028136A CN 116914006 A CN116914006 A CN 116914006A
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- film layer
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- 238000005516 engineering process Methods 0.000 title abstract description 9
- 239000002313 adhesive film Substances 0.000 claims abstract description 209
- 239000003292 glue Substances 0.000 claims abstract description 150
- 239000011248 coating agent Substances 0.000 claims description 53
- 238000000576 coating method Methods 0.000 claims description 53
- 239000000853 adhesive Substances 0.000 claims description 49
- 230000001070 adhesive effect Effects 0.000 claims description 49
- 238000000034 method Methods 0.000 claims description 17
- 230000008569 process Effects 0.000 claims description 17
- 238000004026 adhesive bonding Methods 0.000 claims description 12
- 238000001125 extrusion Methods 0.000 claims description 5
- 238000010030 laminating Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 230000009471 action Effects 0.000 claims description 2
- 239000002390 adhesive tape Substances 0.000 description 16
- 230000002093 peripheral effect Effects 0.000 description 9
- 238000003892 spreading Methods 0.000 description 8
- 230000007480 spreading Effects 0.000 description 8
- 239000011521 glass Substances 0.000 description 6
- 238000009432 framing Methods 0.000 description 5
- 238000003475 lamination Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000012780 transparent material Substances 0.000 description 2
- 229920002367 Polyisobutene Polymers 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010073 coating (rubber) Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012858 packaging process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000004383 yellowing Methods 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
- H01L31/04—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
- H01L31/0488—Double glass encapsulation, e.g. photovoltaic cells arranged between front and rear glass sheets
-
- 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
-
- 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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- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Photovoltaic Devices (AREA)
Abstract
The application relates to the technical field of solar cell processing, and discloses a photovoltaic module and a processing technology of the photovoltaic module, wherein the photovoltaic module comprises a back plate, a second adhesive film layer, a battery, a first adhesive film layer and a front plate which are sequentially arranged along the thickness direction of the photovoltaic module, and the periphery of at least one side surface of the front plate, which is opposite to the first adhesive film layer, is coated with first glue; the periphery of at least one side surface of the two opposite sides of the first adhesive film layer and the second adhesive film layer is coated with second glue; the periphery of at least one side surface of the two opposite sides of the second adhesive film layer and the backboard is coated with third glue; and at least one exhaust port which is not coated with glue is respectively arranged in the bonding areas between the front plate and the first adhesive film layer, between the first adhesive film layer and the second adhesive film layer and between the second adhesive film layer and the back plate. The photovoltaic module can avoid the back plate from sliding relative to the front plate, can reduce the labor cost and avoid influencing the service life of the photovoltaic module.
Description
Technical Field
The application relates to the technical field of solar cell processing, in particular to a photovoltaic module and a photovoltaic module processing technology.
Background
The photovoltaic module mainly comprises a battery, an adhesive film, a back plate, a front plate and the like, the photovoltaic module is internally formed by connecting a plurality of battery pieces in series and parallel, gaps are formed between the pieces and between the strings, and as the gaps are outside the effective light receiving area of the photovoltaic module, part of sunlight cannot be absorbed and utilized by the battery pieces after passing through the gaps. In order to reduce the loss of sunlight, a linear or cross-shaped reflecting film is adhered to the inner side of the backboard corresponding to the gap, and the sunlight penetrating through the gap is reflected back to the battery piece through the reflecting film, so that the purposes of increasing the utilization rate of illumination and improving the efficiency and power of the photovoltaic module are achieved.
In the lamination link of the packaging process of the photovoltaic module, the adhesive film is softened by heating and has fluidity, so that the back plate slides relative to the front plate, and the attached reflecting film deviates from a battery gap, so that the function of reflecting light is weakened or even disappears. As shown in fig. 1 and 2, the conventional solution is to fix the back plate 2 and the front plate 3 by using the high-temperature adhesive tape 1 at four corners of the photovoltaic module, wherein one end of the high-temperature adhesive tape 1 is attached to the outer side of the back plate 2, and the other end is attached to the front surface of the front plate 3 by bypassing the side surface of the photovoltaic module along the thickness direction. However, the adhesive film 4 between the back plate 2 and the front plate 3 is not fixed, and the adhesive film 4 is flexible, so the high temperature adhesive tape 1 is easy to lose the fixing effect due to the problems of folding and the like, and slippage is generated between the back plate 2 and the front plate 3; and in order to avoid influencing the appearance of the photovoltaic module and the subsequent processes such as framing, the high-temperature adhesive tape 1 needs to be removed after the lamination link, and the automation difficulty of the operation of pasting and tearing the adhesive tape is high, so that the manual operation is required, the labor cost is high, and if the adhesive tape is not torn off cleanly and then is framed along with the photovoltaic module, a gap is formed between the photovoltaic module and the frame body due to the falling of the adhesive tape along with the time, so that water vapor enters the frame body through the gap, and the service life of the photovoltaic module is further influenced.
Disclosure of Invention
The application aims to provide a photovoltaic module, which is used for preventing a back plate from sliding relative to a front plate, reducing labor cost and prolonging service life of the photovoltaic module.
In order to solve the above technical problems, an embodiment of the present application provides a photovoltaic module, including: back plate, adhesive film, battery and front plate; the adhesive film comprises a first adhesive film layer and a second adhesive film layer; the back plate, the second adhesive film layer, the first adhesive film layer and the front plate are sequentially arranged along the thickness direction of the photovoltaic module, the battery is clamped between the first adhesive film layer and the second adhesive film layer, and the first adhesive film layer and the second adhesive film layer wrap the battery; the periphery of at least one side surface of the two opposite sides of the front plate and the first adhesive film layer is coated with first glue so as to bond the first adhesive film layer on the front plate; the periphery of at least one side surface of the two opposite sides of the first adhesive film layer and the second adhesive film layer is coated with second glue so as to bond the second adhesive film layer on the first adhesive film layer; the periphery of at least one side surface of the two opposite sides of the second adhesive film layer and the backboard is coated with third glue so as to bond the backboard on the second adhesive film layer; and the areas bonded between the front plate and the first adhesive film layer, between the first adhesive film layer and the second adhesive film layer and between the second adhesive film layer and the back plate are respectively provided with at least one exhaust port which is not coated with glue, so that the areas between the layers of the photovoltaic module and the outside of the photovoltaic module are communicated in a plane perpendicular to the thickness direction.
Compared with the prior art, the periphery between the front plate and the first adhesive film layer is coated with first glue, the periphery between the first adhesive film layer and the second adhesive film layer is coated with second glue, and the periphery between the second adhesive film layer and the back plate is coated with third glue, so that the photovoltaic module is adhered layer by layer along the thickness direction of the photovoltaic module, slippage between layers of the photovoltaic module is avoided, and slippage of the back plate relative to the front plate is avoided; moreover, the operation of coating glue on the periphery between the layers of the photovoltaic module is easy to realize automation, so that the labor cost can be greatly reduced, the glue does not influence the appearance of the photovoltaic module and the subsequent processes such as framing and the like, and the glue does not need to be removed, so that the process of tearing off the adhesive tape is reduced compared with the prior art, the productivity is improved, and the influence on the service life of the photovoltaic module due to the fact that the adhesive tape is not torn off cleanly can be avoided.
In addition, a first gluing area is arranged on the periphery of one side, facing the first adhesive film layer, of the front plate, and the first gluing area is coated with the first glue so as to bond the first adhesive film layer on the front plate; a second gluing area is arranged on the periphery of one side, facing the second adhesive film layer, of the first adhesive film layer, and the second gluing area is coated with second glue so as to bond the second adhesive film layer on the first adhesive film layer; and a third gluing area is arranged on the periphery of the second adhesive film layer facing one side of the back plate, and the third gluing area is coated with third glue so as to bond the back plate on the second adhesive film layer. In this way, the provision of the glue application area facilitates the application of glue to the perimeter of the layers of the photovoltaic module, thus facilitating the automation of this operation.
In addition, the coating area of the first glue, the coating area of the second glue and the coating area of the third glue are respectively dotted line frame-shaped areas formed intermittently on the edge close to the periphery of the front plate and/or the periphery of the first glue film layer, the edge close to the periphery of the first glue film layer and/or the periphery of the second glue film layer and the edge close to the periphery of the second glue film layer and/or the periphery of the back plate. Like this, the glue coating area in dotted line frame form region makes be provided with a plurality of bonding points respectively between each layer of photovoltaic module, and then makes the bonding between each layer more firm, and the gas vent evenly sets up with the interval along photovoltaic module's circumference to the evacuation operation in the laminating link of being convenient for.
In addition, along the thickness direction of the photovoltaic module, the coating area of the first glue, the coating area of the second glue and the coating area of the third glue are mutually overlapped. In this way, the coating areas of the glue are mutually overlapped to ensure that the fixed points among the layers of the photovoltaic module are consistent in the thickness direction, thereby further avoiding the slippage among the layers of the photovoltaic module; and the coating areas of all the glues coincide with each other so that the operation of coating all the layers of the photovoltaic module with the glues is consistent, thereby facilitating the automation of the operation.
In addition, the interval distance between the coating area of the first glue, the coating area of the second glue and the coating area of the third glue and the edge of the periphery of the front plate, the edge of the periphery of the first glue film layer and the edge of the periphery of the second glue film layer is 1mm-12mm respectively.
In addition, the types of the first glue, the second glue and the third glue are different. Therefore, the type of glue with higher adhesion degree can be selected according to different materials of each layer of the photovoltaic module, and the adhesion firmness between each layer of the photovoltaic module is improved.
The embodiment of the application also provides a processing technology of the photovoltaic module, which processes and forms any one of the photovoltaic modules, and comprises the following steps:
s1: the front plate is grabbed and placed on a first operation table, and the first glue is coated on the first glue coating area on the upper side of the front plate and then conveyed to a second operation table;
s2: grabbing the first adhesive film layer and placing the first adhesive film layer on the upper side of the front plate on the second operation table, enabling the first adhesive to adhere to the first adhesive film layer, coating the second adhesive on the second adhesive coating area on the upper side of the first adhesive film layer, grabbing the battery, placing the battery on the upper side of the first adhesive film layer, and then conveying the battery to a third operation table;
s3: grabbing the second adhesive film layer, placing the second adhesive film layer on the upper side of the battery and the upper side of the first adhesive film layer on the third operation table, enabling the second adhesive to adhere to the second adhesive film layer, enabling the first adhesive film layer and the second adhesive film layer to wrap the battery, coating the third adhesive on the third adhesive coating area on the upper side of the second adhesive film layer, and then conveying the third adhesive to a fourth operation table;
s4: grabbing the backboard and placing the backboard on the upper side of the second adhesive film layer on the fourth operation table, enabling the third adhesive to adhere to the backboard, controlling the extrusion part to extrude the backboard along the adhesive coating area, and then conveying the backboard to the laminating device.
Compared with the prior art, the embodiment of the application has the advantages that the photovoltaic module is bonded layer by layer along the thickness direction of the photovoltaic module, so that slippage between layers of the photovoltaic module is avoided, and further slippage of the back plate relative to the front plate is avoided. In addition, the operation of coating glue on the periphery between the layers of the photovoltaic module is automatically completed without manual operation, so that the labor cost can be greatly reduced, the glue does not influence the appearance of the photovoltaic module, the follow-up framing and other processes, and the glue does not need to be removed, so that compared with the prior art, the process of tearing off the adhesive tape is reduced, the productivity is improved, and the influence on the service life of the photovoltaic module due to the fact that the adhesive tape is not torn off cleanly can be avoided.
In addition, step S2 includes:
s21: grabbing the first adhesive film layer, placing the first adhesive film layer on the upper side of the front plate on the second operation table, enabling the first adhesive to adhere to the first adhesive film layer, coating the second adhesive on the second adhesive coating area on the upper side of the first adhesive film layer, and then conveying the second adhesive to a fifth operation table;
s22: and grabbing the battery, placing the battery on the upper side of the first adhesive film layer on the fifth operation table, and conveying the battery to the third operation table.
In addition, positioning operations are performed before the front plate is placed on the first operation table, before the first adhesive film layer is placed on the front plate upper side on the second operation table, before the battery is placed on the first adhesive film layer upper side on the fifth operation table, before the second adhesive film layer is placed on the battery upper side and the first adhesive film layer upper side on the third operation table, and before the back plate is placed on the second adhesive film layer upper side on the fourth operation table. Like this, can avoid producing the bonding dislocation between each layer of photovoltaic module, and then avoid influencing photovoltaic module's quality.
In addition, the first adhesive film layer, the second adhesive film layer and the back plate are all pressed down simultaneously. In this way, the adhesion between the layers of the photovoltaic module can be improved.
Drawings
One or more embodiments are illustrated by way of example and not limitation in the figures of the accompanying drawings, in which like references indicate similar elements, and in which the figures of the drawings are not to be taken in a limiting sense, unless otherwise indicated.
FIG. 1 is a schematic top view of a prior art photovoltaic module;
FIG. 2 is a schematic cross-sectional view of the structure of FIG. 1 in the direction A-A;
fig. 3 is a schematic view of an exploded structure of a photovoltaic module according to an embodiment of the present application;
fig. 4 is a schematic structural view of a front plate of a photovoltaic module according to an embodiment of the present application;
fig. 5 is a schematic structural diagram of a first adhesive film layer of a photovoltaic module according to an embodiment of the present application;
fig. 6 is a flowchart of a processing process of a photovoltaic module provided according to an embodiment of the present application;
fig. 7 is a flowchart of step S2 of the processing process of the photovoltaic module according to the embodiment of the present application.
Reference numerals:
the prior art comprises the following steps:
1: high temperature adhesive tape; 2: a back plate; 3: a front plate; 4: an adhesive film;
the application is characterized in that;
10: a front plate; 110: a first glue area;
20: a first adhesive film layer; 210: a second glue area;
30: a second adhesive film layer; 310: a third glue area;
40: a battery;
50: a back plate;
60: and an exhaust port.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present application more apparent, embodiments of the present application will be described in detail below with reference to the accompanying drawings. However, those of ordinary skill in the art will understand that in various embodiments of the present application, numerous technical details have been set forth in order to provide a better understanding of the present application. However, the technical solutions claimed in the claims of the present application can be realized without these technical details and various changes and modifications based on the following embodiments.
In the embodiments of the present application, terms such as "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate azimuth or positional relationship based on that shown in the drawings. These terms are only used to better describe the present application and its embodiments and are not intended to limit the scope of the indicated devices, elements or components to the particular orientations or to configure and operate in the particular orientations.
Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the present application will be understood by those of ordinary skill in the art according to the specific circumstances.
Furthermore, the terms "mounted," "configured," "provided," "connected," and "connected" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
Furthermore, the terms "first," "second," and the like, are used primarily to distinguish between different devices, elements, or components (the particular species and configurations may be the same or different), and are not used to indicate or imply the relative importance and number of devices, elements, or components indicated. Unless otherwise indicated, the meaning of "a plurality" is two or more.
Embodiments of the present application provide a photovoltaic module, see fig. 3-5, comprising: back plate 50, adhesive film, battery 40, and front plate 10; the adhesive film comprises a first adhesive film layer 20 and a second adhesive film layer 30; along the thickness direction of the photovoltaic module, the back plate 50, the second adhesive film layer 30, the first adhesive film layer 20 and the front plate 10 are sequentially arranged, the battery 40 is clamped between the first adhesive film layer 20 and the second adhesive film layer 30, and the first adhesive film layer 20 and the second adhesive film layer 30 wrap the battery 40; the periphery of at least one of the two sides of the front plate 10 opposite to the first adhesive film layer 20 is coated with a first glue to adhere the first adhesive film layer 20 to the front plate 10; the periphery of at least one side of the two opposite sides of the first adhesive film layer 20 and the second adhesive film layer 30 is coated with second glue so as to adhere the second adhesive film layer 30 to the first adhesive film layer 20; the periphery of at least one of the two opposite sides of the second adhesive film layer 30 from the back plate 50 is coated with a third glue to adhere the back plate 50 to the second adhesive film layer 30; and, at least one exhaust port 60 not coated with glue is provided between the front plate 10 and the first adhesive film layer 20, between the first adhesive film layer 20 and the second adhesive film layer 30, and between the second adhesive film layer 30 and the back plate 50, respectively, to communicate the region between the layers of the photovoltaic module and the outside of the photovoltaic module in a plane perpendicular to the thickness direction.
Compared with the prior art, the periphery between the front plate 10 and the first adhesive film layer 20 is coated with the first adhesive, the periphery between the first adhesive film layer 20 and the second adhesive film layer 30 is coated with the second adhesive, and the periphery between the second adhesive film layer 30 and the back plate 50 is coated with the third adhesive, so that the photovoltaic module is adhered layer by layer along the thickness direction of the photovoltaic module, slippage between layers of the photovoltaic module is avoided, and slippage of the back plate 50 relative to the front plate 10 is avoided; moreover, the operation of coating glue on the periphery between the layers of the photovoltaic module is easy to realize automation, so that the labor cost can be greatly reduced, the glue does not influence the appearance of the photovoltaic module and the subsequent processes such as framing and the like, and the glue does not need to be removed, so that the process of tearing off the adhesive tape is reduced compared with the prior art, the productivity is improved, and the influence on the service life of the photovoltaic module due to the fact that the adhesive tape is not torn off cleanly can be avoided.
Specifically, the photovoltaic module may be a single-glass module or a double-glass module, when the photovoltaic module is a single-glass module, sunlight irradiates the photovoltaic module through the front plate 10, so the front plate 10 is made of transparent material, and the front plate 10 may be made of glass, transparent plastic or the like; when the photovoltaic module is a dual-glass module, sunlight can be irradiated into the photovoltaic module through the front plate 10 and the back plate 50, so the front plate 10 and the back plate 50 are both made of transparent materials, and the front plate 10 and the back plate 50 can be made of glass, transparent plastic or the like. The overall size of the periphery of the battery 40 is smaller than the overall size of the periphery of the first adhesive film layer 20 and the second adhesive film layer 30, that is, the battery 40 is smaller than the first adhesive film layer 20 and the second adhesive film layer 30 by one turn, so that the battery 40 is sandwiched and wrapped between the first adhesive film layer 20 and the second adhesive film layer 30. The number of the exhaust ports 60 between the layers of the photovoltaic module may be one or plural, and preferably, in order to facilitate the vacuumizing operation in the lamination step, to remove the air between the layers of the photovoltaic module, the number of the exhaust ports 60 in this embodiment is plural, and the exhaust ports 60 are uniformly arranged at intervals on the peripheral sides between the layers of the photovoltaic module, and the exhaust ports 60 on the layers overlap each other in the thickness direction of the photovoltaic module. Preferably, referring to fig. 4, in the present embodiment, the exhaust ports 60 on the upper and lower sides and the left and right sides of each layer of the photovoltaic module are symmetrically arranged respectively, so that air between each layer of the photovoltaic module can be uniformly extracted during the vacuum pumping operation in the lamination process, the problem that the adhesive film is pulled and shifted due to uneven air flow is avoided, and thus the back plate 50 is further prevented from sliding relative to the front plate 10.
In the two opposite sides of the front plate 10 and the first adhesive film layer 20, the front plate 10 can be coated with first adhesive, the first adhesive film layer 20 can be coated with first adhesive, and the front plate 10 and the first adhesive film layer 20 can be coated with first adhesive; in two opposite sides of the first adhesive film layer 20 and the second adhesive film layer 30, a second glue can be coated on the first adhesive film layer 20, a second glue can be coated on the second adhesive film layer 30, and a second glue can be coated on both the first adhesive film layer 20 and the second adhesive film layer 30; in the two opposite sides of the second adhesive film layer 30 to the back plate 50, a third glue may be coated on the second adhesive film layer 30, a third glue may be coated on the back plate 50, and a third glue may be coated on both the second adhesive film layer 30 and the back plate 50.
In the present embodiment, a first glue area 110 is disposed on the periphery of the front plate 10 facing to the first glue film layer 20, and a first glue is coated on the first glue area 110 to adhere the first glue film layer 20 to the front plate 10; the periphery of the side, facing the second adhesive film layer 30, of the first adhesive film layer 20 is provided with a second adhesive coating area 210, and the second adhesive coating area 210 is coated with second adhesive to adhere the second adhesive film layer 30 to the first adhesive film layer 20; the periphery of the side, facing the back plate 50, of the second adhesive film layer 30 is provided with a third adhesive coating area 310, and third adhesive is coated on the third adhesive coating area 310 to adhere the back plate 50 to the second adhesive film layer 30. In this way, the provision of the glue application area facilitates the application of glue to the perimeter of the layers of the photovoltaic module, thus facilitating the automation of this operation.
Further, the first adhesive coating area 110, the second adhesive coating area 210 and the third adhesive coating area 310 are respectively dotted frame-shaped areas formed intermittently on the edge near the periphery of the front plate 10, the edge near the periphery of the first adhesive film layer 20 and the edge near the periphery of the second adhesive film layer 30. Like this, the rubber coating district in broken line frame form region makes and is provided with a plurality of bonding points respectively between each layer of photovoltaic module, and then makes the bonding between each layer more firm, and the gas vent 60 evenly sets up with the interval along photovoltaic module's circumference to the evacuation operation in the laminating link of being convenient for. In addition, the first glue area 110, the second glue area 210, and the third glue area 310 may be configured in other shapes, which will not be described herein.
Further, the first glue area 110, the second glue area 210 and the third glue area 310 may overlap each other or may be staggered along the thickness direction of the photovoltaic module. In this embodiment, the first glue spreading area 110, the second glue spreading area 210 and the third glue spreading area 310 are mutually overlapped, so that the fixed points between the layers of the photovoltaic module are consistent in the thickness direction, thereby further avoiding slippage between the layers of the photovoltaic module; and each gluing area is mutually overlapped, so that the glue coating operation of each layer of the photovoltaic module is consistent, and the automation of the operation is facilitated.
Further, the spacing distances between the first glue spreading area 110, the second glue spreading area 210 and the third glue spreading area 310 and the peripheral edge of the front plate 10, the peripheral edge of the first glue film layer 20 and the peripheral edge of the second glue film layer 30 are all 1mm-12mm, for example, may be specifically 1mm, 5.6mm, 10mm, 12mm, etc., which may be specifically set according to the circumferential dimension of the battery 40, and the larger the circumferential dimension of the battery 40, the smaller the spacing distance between each glue spreading area and the peripheral edge of the photovoltaic module, the smaller the circumferential dimension of the battery 40, and the larger the spacing distance between each glue spreading area and the peripheral edge of the photovoltaic module, so that the photovoltaic module is applicable to batteries 40 with various different specifications and sizes, and the applicability of the photovoltaic module is further improved.
The first glue, the second glue and the third glue can be the same glue, and can also be different types of glue according to different materials of each layer of the photovoltaic module. And the first glue, the second glue and the third glue are respectively polyolefin glue, polyisobutylene glue and the like, do not generate bubble and other reactions in the heating process, and do not influence one of the glue with the crosslinking degree, so that the glue is not easy to generate phenomena of delamination, yellowing and the like, and the reliability of glue adhesion is further improved.
The embodiment of the application also provides a processing technology of the photovoltaic module, which is used for processing and forming the photovoltaic module, and referring to fig. 6, the processing technology comprises the following steps:
s1: the grabbing front plate 10 is placed on a first operation table, and a first glue is coated on a first glue coating area 110 on the upper side of the front plate 10 and then is conveyed to a second operation table;
s2: the first glue film layer 20 is grabbed and placed on the upper side of the front plate 10 on the second operation table, so that the first glue adheres to the first glue film layer 20, the second glue is coated on the second glue coating area 210 on the upper side of the first glue film layer 20, and the grabbed battery 40 is placed on the upper side of the first glue film layer 20 and then conveyed to the third operation table;
s3: grabbing the second adhesive film layer 30, placing the second adhesive film layer 30 on the upper side of the battery 40 and the upper side of the first adhesive film layer 20 on the third operation table, enabling the second adhesive to adhere to the second adhesive film layer 30, enabling the first adhesive film layer 20 and the second adhesive film layer 30 to wrap the battery 40, coating the third adhesive coating area 310 on the upper side of the second adhesive film layer 30 with the third adhesive, and then conveying the third adhesive coating area to the fourth operation table;
s4: the grabbing back plate 50 is placed on the upper side of the second adhesive film layer 30 on the fourth operation table, so that the third glue adheres to the back plate 50, and the extrusion part is controlled to extrude the back plate 50 along the gluing area and then is conveyed to the laminating device.
The photovoltaic modules formed by the processing technology are bonded layer by layer along the thickness direction of the photovoltaic modules, so that slippage between layers of the photovoltaic modules is avoided, and slippage of the back plate 50 relative to the front plate 10 is avoided. In addition, the operation of coating glue on the periphery between the layers of the photovoltaic module is automatically completed without manual operation, so that the labor cost can be greatly reduced, the glue does not influence the appearance of the photovoltaic module, the follow-up framing and other processes, and the glue does not need to be removed, so that compared with the prior art, the process of tearing off the adhesive tape is reduced, the productivity is improved, and the influence on the service life of the photovoltaic module due to the fact that the adhesive tape is not torn off cleanly can be avoided.
Specifically, referring to fig. 7, step S2 includes:
s21: grabbing the first adhesive film layer 20, placing the first adhesive film layer 20 on the upper side of the front plate 10 on the second operation table, enabling the first adhesive to adhere to the first adhesive film layer 20, coating the second adhesive on the second adhesive coating area 210 on the upper side of the first adhesive film layer 20, and then conveying the second adhesive to the fifth operation table;
s22: the grip battery 40 is placed on the upper side of the first adhesive film layer 20 on the fifth stage and is transferred to the third stage.
Specifically, the first operation table, the second operation table, the fifth operation table, the third operation table and the fourth operation table form a production line capable of automatically coating glue, and glue is respectively and automatically coated on each layer of the photovoltaic module through the production line, so that each layer of the photovoltaic module is bonded by the glue layer by layer. The first, second, fifth, third and fourth operation tables are provided with clamping mechanisms, such as mechanical arms, on the peripheral sides thereof, respectively, for gripping the front plate 10, the first adhesive film layer 20, the battery 40, the second adhesive film layer 30 and the back plate 50, respectively; the first, second and third operation tables are provided with glue coating mechanisms at the peripheral sides thereof, respectively, to coat glue on the upper side of the front plate 10, the upper side of the first adhesive film layer 20 and the upper side of the second adhesive film layer 30, respectively. The fourth operation panel week side still is provided with extrusion part, and extrusion part specifically can be the roller structure to after the glue coating of each layer of photovoltaic module is accomplished, extrude each layer, and then make the bonding of each layer of photovoltaic module more firm.
In addition, the front plate 10, the first adhesive film layer 20, the battery 40, the second adhesive film layer 30 and the back plate 50 can be sequentially grabbed and stacked on the same operation table, and glue can be automatically coated on the upper side of the front plate 10, the upper side of the first adhesive film layer 20 and the upper side of the second adhesive film layer 30 respectively, so that all layers of the photovoltaic module are adhered layer by glue.
Further, the positioning operation is performed before the front plate 10 is placed on the first operation table, before the first adhesive film layer 20 is placed on the upper side of the front plate 10 on the second operation table, before the battery 40 is placed on the upper side of the first adhesive film layer 20 on the fifth operation table, before the second adhesive film layer 30 is placed on the upper side of the battery 40 and the upper side of the first adhesive film layer 20 on the third operation table, and before the back plate 50 is placed on the upper side of the second adhesive film layer 30 on the fourth operation table. Like this, can avoid producing the bonding dislocation between each layer of photovoltaic module, and then avoid influencing photovoltaic module's quality.
In particular, a positioning element, such as a sensor, may be provided on the fixture to perform a positioning operation by the positioning element before the fixture stacks the layers of the photovoltaic module. In addition, a positioning element such as a sensor may be disposed on the glue coating mechanism, so as to perform positioning operation on the positions on the upper side of the front plate 10, the upper side of the first glue film layer 20 and the periphery of the upper side of the second glue film layer 30, so as to improve the accuracy of glue coating.
Further, the pressing action is performed simultaneously when the first adhesive film layer 20 is placed, when the second adhesive film layer 30 is placed, and when the back plate 50 is placed, so as to improve the bonding firmness between the layers of the photovoltaic module. The pressing operation is performed by the clamping mechanism on the peripheral side of each console.
The foregoing describes the photovoltaic module and the processing technology of the photovoltaic module according to the embodiments of the present application in detail, and specific examples are applied to illustrate the principles and embodiments of the present application, and the description of the foregoing embodiments is only for aiding in understanding the concept of the present application, and the description should not be construed as limiting the application in any way.
Claims (10)
1. A photovoltaic module, comprising: back plate, adhesive film, battery and front plate; the adhesive film comprises a first adhesive film layer and a second adhesive film layer;
the back plate, the second adhesive film layer, the first adhesive film layer and the front plate are sequentially arranged along the thickness direction of the photovoltaic module, the battery is clamped between the first adhesive film layer and the second adhesive film layer, and the first adhesive film layer and the second adhesive film layer wrap the battery;
the periphery of at least one side surface of the two opposite sides of the front plate and the first adhesive film layer is coated with first glue so as to bond the first adhesive film layer on the front plate;
the periphery of at least one side surface of the two opposite sides of the first adhesive film layer and the second adhesive film layer is coated with second glue so as to bond the second adhesive film layer on the first adhesive film layer;
the periphery of at least one side surface of the two opposite sides of the second adhesive film layer and the backboard is coated with third glue so as to bond the backboard on the second adhesive film layer; and, in addition, the processing unit,
the front plate is provided with at least one exhaust port which is not coated with glue, and the exhaust ports are respectively arranged in the bonding areas among the front plate, the first adhesive film layer, the second adhesive film layer and the back plate, so that the areas among the layers of the photovoltaic module and the outside of the photovoltaic module are communicated in a plane perpendicular to the thickness direction.
2. The photovoltaic module according to claim 1, wherein a first glue area is provided on the periphery of the front plate facing the first glue film layer, and the first glue area is coated with the first glue to bond the first glue film layer to the front plate;
a second gluing area is arranged on the periphery of one side, facing the second adhesive film layer, of the first adhesive film layer, and the second gluing area is coated with second glue so as to bond the second adhesive film layer on the first adhesive film layer;
and a third gluing area is arranged on the periphery of the second adhesive film layer facing one side of the back plate, and the third gluing area is coated with third glue so as to bond the back plate on the second adhesive film layer.
3. The photovoltaic module according to claim 1, wherein the application area of the first glue, the application area of the second glue, and the application area of the third glue are dashed frame-like areas intermittently formed on the edges near the front plate perimeter and/or near the first film layer perimeter, the edges near the first film layer perimeter and/or near the second film layer perimeter, and the edges near the second film layer perimeter and/or near the back plate perimeter, respectively.
4. A photovoltaic module according to any one of claims 1-3, characterized in that the application area of the first glue, the application area of the second glue and the application area of the third glue coincide with each other in the thickness direction of the photovoltaic module.
5. A photovoltaic module according to any of claims 1-3, wherein the first glue application zone, the second glue application zone, and the third glue application zone are each spaced from the perimeter edge of the front sheet, the perimeter edge of the first glue film layer, and the perimeter edge of the second glue film layer by a distance of 1mm-12mm.
6. The photovoltaic module of any of claims 1-3, wherein the first, second, and third glues are of different types.
7. A process for processing a photovoltaic module to form the photovoltaic module of claim 2, comprising the steps of:
s1: the front plate is grabbed and placed on a first operation table, and the first glue is coated on the first glue coating area on the upper side of the front plate and then conveyed to a second operation table;
s2: grabbing the first adhesive film layer and placing the first adhesive film layer on the upper side of the front plate on the second operation table, enabling the first adhesive to adhere to the first adhesive film layer, coating the second adhesive on the second adhesive coating area on the upper side of the first adhesive film layer, grabbing the battery, placing the battery on the upper side of the first adhesive film layer, and then conveying the battery to a third operation table;
s3: grabbing the second adhesive film layer, placing the second adhesive film layer on the upper side of the battery and the upper side of the first adhesive film layer on the third operation table, enabling the second adhesive to adhere to the second adhesive film layer, enabling the first adhesive film layer and the second adhesive film layer to wrap the battery, coating the third adhesive on the third adhesive coating area on the upper side of the second adhesive film layer, and then conveying the third adhesive to a fourth operation table;
s4: grabbing the backboard and placing the backboard on the upper side of the second adhesive film layer on the fourth operation table, enabling the third adhesive to adhere to the backboard, controlling the extrusion part to extrude the backboard along the adhesive coating area, and then conveying the backboard to the laminating device.
8. The process for manufacturing a photovoltaic module according to claim 7, wherein step S2 comprises:
s21: grabbing the first adhesive film layer, placing the first adhesive film layer on the upper side of the front plate on the second operation table, enabling the first adhesive to adhere to the first adhesive film layer, coating the second adhesive on the second adhesive coating area on the upper side of the first adhesive film layer, and then conveying the second adhesive to a fifth operation table;
s22: and grabbing the battery, placing the battery on the upper side of the first adhesive film layer on the fifth operation table, and conveying the battery to the third operation table.
9. The process of claim 8, wherein positioning operations are performed prior to placement of the front plate on the first console, prior to placement of the first adhesive film layer on the front plate upper side on the second console, prior to placement of the battery on the first adhesive film layer upper side on the fifth console, prior to placement of the second adhesive film layer on the battery upper side and the first adhesive film layer upper side on the third console, and prior to placement of the back plate on the second adhesive film layer upper side on the fourth console.
10. The process of any one of claims 7-9, wherein the pressing action is performed simultaneously when the first adhesive film layer is placed, when the second adhesive film layer is placed, and when the back plate is placed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311028136.9A CN116914006A (en) | 2023-08-15 | 2023-08-15 | Photovoltaic module and processing technology thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311028136.9A CN116914006A (en) | 2023-08-15 | 2023-08-15 | Photovoltaic module and processing technology thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116914006A true CN116914006A (en) | 2023-10-20 |
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ID=88351132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311028136.9A Pending CN116914006A (en) | 2023-08-15 | 2023-08-15 | Photovoltaic module and processing technology thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116914006A (en) |
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2023
- 2023-08-15 CN CN202311028136.9A patent/CN116914006A/en active Pending
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