CN117542908A - Packaging structure and jig of photovoltaic module - Google Patents
Packaging structure and jig of photovoltaic module Download PDFInfo
- Publication number
- CN117542908A CN117542908A CN202210918640.5A CN202210918640A CN117542908A CN 117542908 A CN117542908 A CN 117542908A CN 202210918640 A CN202210918640 A CN 202210918640A CN 117542908 A CN117542908 A CN 117542908A
- Authority
- CN
- China
- Prior art keywords
- jig
- barrier film
- photovoltaic module
- channel
- heat conducting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 38
- 230000004888 barrier function Effects 0.000 claims abstract description 105
- 230000004927 fusion Effects 0.000 claims abstract description 30
- 239000002313 adhesive film Substances 0.000 claims description 16
- 238000009434 installation Methods 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 9
- 239000010408 film Substances 0.000 description 86
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 7
- 238000005538 encapsulation Methods 0.000 description 7
- 238000003475 lamination Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000003921 oil Substances 0.000 description 6
- 238000012546 transfer Methods 0.000 description 6
- 229920005549 butyl rubber Polymers 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 239000002390 adhesive tape Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229920006280 packaging film Polymers 0.000 description 3
- 239000012785 packaging film Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000005022 packaging material Substances 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- 238000004078 waterproofing 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
- H01L31/18—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
Landscapes
- 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 utility model relates to a photovoltaic module's packaging structure and tool, this photovoltaic module's packaging structure include preceding barrier film, back barrier film and butt fusion, preceding barrier film with be used for setting up photovoltaic module between the back barrier film, preceding barrier film's edge with the edge of back barrier film is laminated each other and is formed the butt fusion. The packaging structure of the photovoltaic module has good water vapor barrier property, is low in price and is easy to realize.
Description
Technical Field
The disclosure relates to the technical field of photovoltaic modules, in particular to a packaging structure and a jig of a photovoltaic module.
Background
In the related art, in order to prevent the flexible photovoltaic device from being damaged by water vapor, improve the durability of the flexible photovoltaic device in an outdoor environment, improve the moisture and electricity leakage resistance of the assembly, and delay the power attenuation of the assembly, some assembly manufacturers usually adopt a mode of increasing the water blocking distance of the assembly, wherein the effective water blocking distance of some manufacturers reaches 30-35mm, but the mode of improving the inactive (non-power generation) area of the assembly can reduce the photoelectric conversion efficiency of the assembly; in addition, some component manufacturers add edge sealing materials such as butyl rubber or butyl tape above and around each side of the battery and related circuits to improve the water blocking performance of the components, however, the butyl rubber or butyl tape is expensive, and the partial electric leakage of the photovoltaic components can be caused by uneven carbon black distribution in the manufacturing process, so that the yield of products is reduced, and the running risk of a power station is increased.
Disclosure of Invention
The disclosure provides a packaging structure and a jig of a photovoltaic module, which have good water vapor barrier performance, are low in price and are easy to realize.
In order to achieve the above-mentioned purpose, the present disclosure provides a packaging structure of a photovoltaic module, including a front barrier film, a back barrier film and a fusion joint, the front barrier film and the back barrier film are used for setting the photovoltaic module therebetween, and the edge of the front barrier film and the edge of the back barrier film are mutually attached and form the fusion joint.
Optionally, the weld is located within 5-20mm of the edge of the front barrier film and/or the weld is located within 5-20mm of the edge of the back barrier film.
Optionally, the front barrier film and the back barrier film are respectively connected with the photovoltaic module through packaging adhesive films.
On the basis of the technical scheme, the present disclosure further provides a jig, the jig is used for the packaging structure of the photovoltaic module, the jig comprises an upper jig, a lower jig and a heat conduction channel arranged between the upper jig and the lower jig, wherein the upper jig and the lower jig are both configured into a square structure, the upper jig and the lower jig are used for placing the packaging structure of the photovoltaic module, and the heat conduction channel is used for being contacted with the edge of the front barrier film and the edge of the back barrier film to form the fusion joint.
Optionally, the widths of the longitudinal sections of the upper jig and the lower jig are 13-18mm.
Optionally, the heat conducting channel is configured as a heat conducting pipe, an upper through groove is formed in the upper jig, a lower through groove is formed in the lower jig, the upper through groove and the lower through groove form a mounting space, and the heat conducting pipe is arranged in the mounting space and extends to the outside of the mounting space.
Optionally, the head end and the tail end of the heat conducting pipe extend to the outside of the installation space.
Optionally, an upper channel is formed on the upper jig, a lower channel is formed on the lower jig, the upper channel and the lower channel form the heat conducting channel, two outer conduits are communicated with the heat conducting channel, and the two outer conduits are oppositely arranged.
Optionally, the heat conducting medium in the heat conducting channel is heat conducting oil or heat conducting steam.
Optionally, the temperature of the heat conducting medium is 180-300 ℃.
Through above-mentioned technical scheme, in the packaging structure of photovoltaic module that this disclosure provided, through set up photovoltaic module between preceding barrier film and back barrier film, and through making the edge of preceding barrier film and the edge of back barrier film laminate each other and form the fusion joint, with photovoltaic module encapsulation between preceding barrier film and back barrier film to carry out good sealedly at photovoltaic module through the fusion joint that forms at the edge of preceding barrier film and back barrier film, so that finally with steam effectively separation outside photovoltaic module. The fusion joint formed at the joint of the front barrier film and the back barrier film can well replace expensive butyl adhesive or butyl adhesive tape in the related technology, so that the manufacturing cost of the packaging structure of the photovoltaic module is greatly reduced through the arrangement. And, because the formation process of the fusion joint is simple, the fusion joint is easier to realize.
In addition, other features and advantages of the present disclosure will be described in detail in the detailed description section that follows.
Drawings
The accompanying drawings are included to provide a further understanding of the disclosure, and are incorporated in and constitute a part of this specification, illustrate the disclosure and together with the description serve to explain, but do not limit the disclosure. In the drawings:
fig. 1 is a schematic structural view of a packaging structure of a photovoltaic module of the present disclosure;
FIG. 2 is a schematic diagram of a fixture of the present disclosure;
FIG. 3 is a schematic structural view of a first embodiment of the jig of the present disclosure, wherein the structure of the upper jig or the lower jig is omitted;
FIG. 4 is a schematic longitudinal cross-sectional view of a first embodiment of the jig of the present disclosure, showing a heat conduction channel;
FIG. 5 is a schematic structural view of a second embodiment of the jig of the present disclosure, wherein the structure of the upper jig or the lower jig is omitted;
fig. 6 is a schematic longitudinal cross-sectional view of a second embodiment of the jig of the present disclosure, showing a heat conduction channel.
Description of the reference numerals
1-packaging structure of a photovoltaic module; 11-a front barrier film; 12-a back barrier film; 13-fusion joint; 14-a photovoltaic module; 15-packaging adhesive films; 2-a jig; 21-upper jig; 211-upper through groove; 212-upper channel; 22-lower jig; 221-a lower through groove; 222-lower channel; 23-heat conducting channels; 231-heat pipes; 24-installation space; 25-outer catheter.
Detailed Description
Specific embodiments of the present disclosure are described in detail below with reference to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the disclosure, are not intended to limit the disclosure.
In the present disclosure, unless otherwise indicated, terms of orientation such as "upper and lower" are generally used to refer to the orientation of the corresponding component or structure in the direction of gravity in actual use, "front and back" refer to the front or back in actual use, corresponding to the upper or lower side of the drawing in fig. 1, and "inner and outer" refer to the inner and outer relative to the outline of the component or structure itself. In addition, in the description with reference to the drawings, the same reference numerals in different drawings denote the same elements. The foregoing definitions are provided for the purpose of illustrating and explaining the present disclosure and should not be construed as limiting the present disclosure.
The disclosure provides a packaging structure 1 of a photovoltaic module, which is shown by referring to fig. 1, and comprises a front barrier film 11, a back barrier film 12 and a welding joint 13, wherein the photovoltaic module 14 is arranged between the front barrier film 11 and the back barrier film 12, and the edge of the front barrier film 11 and the edge of the back barrier film 12 are mutually attached to form the welding joint 13.
Through above-mentioned technical scheme, in the packaging structure 1 of photovoltaic module that this disclosure provided, through setting up photovoltaic module 14 between preceding barrier film 11 and back barrier film 12, and through making the edge of preceding barrier film 11 and the edge of back barrier film 12 laminate each other and form fusion joint 13, encapsulate photovoltaic module 14 between preceding barrier film 11 and back barrier film 12, and carry out good seal to photovoltaic module 14 through the fusion joint 13 that forms at the edge of preceding barrier film 11 and back barrier film 12, so that finally with steam effectively separation outside photovoltaic module 14. Wherein, the fusion joint 13 formed at the joint of the front barrier film 11 and the back barrier film 12 can well replace expensive butyl adhesive or butyl adhesive tape in the related art, so the arrangement greatly reduces the manufacturing cost of the encapsulation structure 1 of the photovoltaic module. Further, the process of forming the fusion splice 13 is simple, and thus, it is also easier to implement.
In the above technical solution, the front barrier film 11 may be a high-permeability front film, which has insulation and protection effects, and the thickness of the front barrier film is 50-300 μm; the back barrier film 12 can be a flexible back plate, and has insulation and protection effects while bearing the photovoltaic module 14, and the thickness of the back barrier film is 300-900 mu m; the photovoltaic module 14 may be a silicon solar cell, a multi-compound thin film solar cell, or an organic solar cell.
In the above technical solution, after packaging, the photovoltaic module 14 has positive and negative wires that can be led out to electrically connect the photovoltaic module 14 with other related structures.
In the specific embodiment provided in the present disclosure, the location of the fusible link 13 may have at least the following three implementation manners:
in a first implementation, the weld 13 is located in the range 5-20mm of the edge of the front barrier film 11;
in a second implementation, the weld 13 is located in the range of 5-20mm from the edge of the back barrier film 12;
in a third implementation, the weld 13 is located in the range of 5-20mm of the edge of the front barrier film 11, and the weld 13 is also located in the range of 5-20mm of the edge of the back barrier film 12.
In the three implementations, the limitation of the forming range of the welding joint 13 on at least one of the front barrier film 11 and the back barrier film 12 ensures that the packaging structure 1 of the photovoltaic module has a larger module active area under the condition of having good water vapor barrier performance, that is, the photovoltaic module 14 has higher photoelectric conversion efficiency. The forming range of the fusion joint 13 may be 5mm, 10mm, 15mm or 20mm, or any value between these values, which is not limited in this disclosure, and may be flexibly selected according to practical situations.
In the embodiments provided by the present disclosure, the front barrier film 11 and the back barrier film 12 may be connected to the photovoltaic module 14 by any suitable means. Alternatively, referring to fig. 1, the front barrier film 11 and the back barrier film 12 are reliably bonded to the photovoltaic module 14 by the encapsulation adhesive film 15, respectively. The packaging adhesive film 15 has the functions of sealing, insulating and waterproofing, and the thickness of the packaging adhesive film is generally between 100 and 600 mu m, so that the front barrier film 11 or the back barrier film 12 can be firmly adhered to the photovoltaic module 14 by using the packaging adhesive film 15, and the corresponding parts of the adhered photovoltaic module 14 can be ensured to have good water blocking and insulating properties. Here, the encapsulation adhesive film 15 disposed between the front barrier film 11 and the photovoltaic module 14 or between the back barrier film 12 and the photovoltaic module 14 may be an EVA adhesive film, a POE adhesive film, or a PVB adhesive film. In addition, according to the actual requirement of the installation position of the packaging film 15, that is, whether the packaging film 15 is arranged between the front barrier film 11 and the photovoltaic module 14 or between the back barrier film 12 and the photovoltaic module 14, the packaging film 15 is made of transparent or non-transparent material.
On the basis of the above technical solution, the present disclosure further provides a jig 2, as shown in reference to fig. 2 to 6, the jig 2 is used for the packaging structure 1 of the photovoltaic module, and the jig 2 includes an upper jig 21, a lower jig 22, and a heat conduction channel 23 disposed between the upper jig 21 and the lower jig 22, wherein the upper jig 21 and the lower jig 22 are both configured into a square structure, and the upper jig 21 and the lower jig 22 are used for placing the packaging structure 1 of the photovoltaic module, and the heat conduction channel 23 is used for contacting with the edge of the front barrier film 11 and the edge of the back barrier film 12 to form the fusion joint 13.
Through above-mentioned technical scheme, in the tool 2 that this disclosure provided, the last tool 21 through setting up and lower tool 22 will need encapsulate after closing the piece lamination process, and the structure that has included preceding barrier film 11, photovoltaic module 14 and back barrier film 12 is placed between last tool 21 and lower tool 22, and through the design of mouth style of calligraphy structure and make heat conduction channel 23 be used for respectively with preceding barrier film 11's edge and the edge of back barrier film 12 contact, form mouth style of calligraphy's butt fusion 13 around photovoltaic module 14's periphery, like this alright carry out well sealedly to photovoltaic module 14, also make it effectively isolate steam.
In addition, in the technical scheme, the special jig 2 is used at the edge to directionally perform local accurate temperature control and pressure control on the structure formed by the front barrier film 11, the photovoltaic module 14 and the back barrier film 12 so as to enable the structure to be coalesced, so that on one hand, the bonding force of the structure after encapsulation is enhanced, water vapor is effectively blocked, expensive butyl rubber or butyl adhesive tape required in encapsulation in the related art is replaced, and the encapsulation cost of the structure is reduced. On the other hand, the process of butyl rubber or butyl rubber tape is omitted, so that the product yield is improved, the running risk of the power station is reduced, and the power generation benefits and the carbon transaction benefits of the whole life cycle are improved.
In the above technical solution, in order to be more favorable for forming the packaging structure 1 of the photovoltaic module, the upper jig 21 and the lower jig 22 may be made of common materials such as aluminum or stainless steel, and when the aluminum material is selected for manufacturing, an anti-rust film needs to be coated on the surface so as to improve the rust resistance thereof.
In the specific embodiment provided in the present disclosure, referring to fig. 4 and 6, the widths of the longitudinal sections of the upper jig 21 and the lower jig 22 are 13-18mm. Here, by setting the ranges of the longitudinal sectional widths of the upper jig 21 and the lower jig 22, the width range of the fusion splice 13 finally formed by the jig 2 is defined, and by defining the width range of the fusion splice 13, it is ensured that the finally formed fusion splice 13 can not only seal the photovoltaic module 14 in the interior well, but also effectively block the entry of moisture. The widths of the longitudinal sections of the upper jig 21 and the lower jig 22 may be 13mm, 15mm, 16mm or 18mm, or any suitable size between these values, which is not limited in this disclosure, and may be flexibly selected according to practical situations.
In the specific embodiments provided in the present disclosure, there are at least two possible implementations of the jig 2:
in a first possible implementation manner, referring to fig. 3 and 4, the heat conduction channel 23 is configured as a heat conduction pipe 231, an upper through groove 211 is formed on the upper jig 21, a lower through groove 221 is formed on the lower jig 22, the upper through groove 211 and the lower through groove 221 form an installation space 24, and the heat conduction pipe 231 is disposed in the installation space 24 and extends to the outside of the installation space 24. By such arrangement, the external heat-conducting medium is introduced into the heat-conducting pipe 231, and the heat of the heat-conducting medium is transferred to the structure formed by the front barrier film 11, the photovoltaic module 14 and the back barrier film 12 through the heat-conducting pipe 231, and the fusion splice 13 is formed at the edge of the structure to encapsulate the photovoltaic module 14 inside. By such arrangement, since the heat conductive pipe 231 is separately designed with the upper through groove 211 and the lower through groove 221, replacement or maintenance operation of the heat conductive pipe 231 can be made easier and more convenient.
As shown in fig. 3, the heat pipe 231 has a head end and a tail end extending outside the installation space 24. The heat conducting pipe 231 is provided with an inlet and an outlet for the heat conducting medium introduced into the heat conducting pipe 231, so that the heat conducting medium enters into the heat conducting pipe 231 from one of the head end or the tail end of the heat conducting pipe 231 to release heat, and then flows out from the other of the head end or the tail end of the heat conducting pipe 231, and the heat conducting pipe 231 is reciprocally circulated, so that a high-temperature environment can be maintained, and the edges of the structure formed by the front barrier film 11, the photovoltaic module 14 and the back barrier film 12 are heated to form the fusion joint 13.
In a second possible implementation manner, referring to fig. 5 and 6, an upper channel 212 is formed on the upper jig 21, a lower channel 222 is formed on the lower jig 22, the upper channel 212 and the lower channel 222 form a heat conducting channel 23, two outer conduits 25 are communicated with the heat conducting channel 23, and the two outer conduits 25 are oppositely arranged. By this arrangement, the heated heat transfer medium can be directly introduced into the heat transfer passage 23 formed by the upper passage 212 and the lower passage 222 through the outer duct 25, and thereby the edges of the structure formed by the front barrier film 11, the photovoltaic module 14, and the back barrier film 12 are heated and the fusion joint 13 is formed. Here, the two outer ducts 25 correspond to the inlet and outlet of the heat transfer medium, respectively, and are disposed opposite to each other in such a manner that the heat transfer medium sufficiently and uniformly flows in the heat transfer passage 23 to sufficiently radiate heat toward the edges of the structure formed by the front barrier film 11, the photovoltaic module 14, and the back barrier film 12 disposed between the upper jig 21 and the lower jig 22 and form the fusion splice 13 therein.
In the specific embodiment provided in the present disclosure, the heat conducting medium in the heat conducting channel 23 is heat conducting oil or heat conducting steam. Since the heat conducting oil and the heat conducting steam are common heat conducting mediums, the heat conducting oil or the heat conducting steam is selected as the heat conducting medium in the heat conducting channel 23, so that the heat conducting oil or the heat conducting steam is convenient to realize and has low cost.
Wherein the temperature of the heat-conducting medium may be set to 180-300 deg.c in order to sufficiently melt the edges of the structure formed by the front barrier film 11, the photovoltaic module 14 and the back barrier film 12 to finally form the fusion splice 13. The temperature of the heat transfer medium may be 180 ℃, 200 ℃, 240 ℃, 280 ℃ or 300 ℃ or any temperature between these values, and the present disclosure is not limited thereto, and may be flexibly set according to practical situations.
The following is the manufacturing process of the packaging structure 1 for manufacturing the photovoltaic module by adopting the jig 2:
step one: the lamination of the front barrier film 11, the packaging adhesive film 15, the photovoltaic module 14, the packaging adhesive film 15 and the back barrier film 12 is completed in sequence;
step two: after lamination, the four layers of materials of the front barrier film 11, the two layers of packaging adhesive films 15 and the back barrier film 12 are subjected to local orientation treatment by using the jig 2 in the area 5-20mm away from the edge, and finally a firm and reliable welding joint 13 is formed at the edge.
Step three: installing a junction box on the packaged structure;
step four: testing the electrical property and the insulation property of the packaged structure;
step five: and (5) sticking a label.
Wherein, the second step specifically comprises the following sub-steps:
1. after the lamination process is finished, the upper jig 21 and the lower jig 22 are directly arranged on a blanking table of lamination equipment, the upper jig 21 and the lower jig 22 are respectively positioned at the upper edge and the lower edge of a structure formed by lamination of the front barrier film 11, the packaging adhesive film 15, the photovoltaic module 14, the packaging adhesive film 15 and the back barrier film 12, and then heat conducting mediums such as heat conducting oil or heat conducting steam are introduced into a heat conducting channel 23 in the jig 2 and heated to 180-300 ℃;
2. preserving heat for 2-4 minutes until the four layers of packaging materials reach a molten state, then gradually boosting, and finally enabling the pressure to reach 10-300N so that the four layers of packaging materials are fused into a whole;
3. keeping the pressure and keeping the temperature for 2-5 minutes;
4. gradually cooling to 30-50 ℃;
5. gradually reducing the pressure, and finally solidifying and forming.
The preferred embodiments of the present disclosure have been described in detail above with reference to the accompanying drawings, but the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solutions of the present disclosure within the scope of the technical concept of the present disclosure, and all the simple modifications belong to the protection scope of the present disclosure.
In addition, the specific features described in the above embodiments may be combined in any suitable manner without contradiction. The various possible combinations are not described further in this disclosure in order to avoid unnecessary repetition.
Moreover, any combination between the various embodiments of the present disclosure is possible as long as it does not depart from the spirit of the present disclosure, which should also be construed as the disclosure of the present disclosure.
Claims (10)
1. The utility model provides a packaging structure of photovoltaic module, its characterized in that includes preceding barrier film, back barrier film and butt fusion, preceding barrier film with be used for setting up photovoltaic module between the back barrier film, preceding barrier film's edge with the edge of back barrier film is laminated each other and is formed the butt fusion.
2. The packaging structure of a photovoltaic module according to claim 1, characterized in that the fusion splice is located within 5-20mm of the edge of the front barrier film and/or the fusion splice is located within 5-20mm of the edge of the back barrier film.
3. The packaging structure of a photovoltaic module according to claim 1, wherein the front barrier film and the back barrier film are connected to the photovoltaic module through packaging adhesive films, respectively.
4. A jig, characterized in that the jig is used for the packaging structure of the photovoltaic module according to any one of claims 1 to 3, the jig comprises an upper jig, a lower jig and a heat conduction channel arranged between the upper jig and the lower jig, wherein the upper jig and the lower jig are both configured into a square structure, the upper jig and the lower jig are used for placing the packaging structure of the photovoltaic module, and the heat conduction channel is used for being contacted with the edge of the front barrier film and the edge of the back barrier film to form the fusion joint.
5. The jig of claim 4, wherein the upper jig and the lower jig each have a longitudinal section width of 13-18mm.
6. The jig according to claim 4, wherein the heat conduction channel is configured as a heat conduction pipe, an upper through groove is formed in the upper jig, a lower through groove is formed in the lower jig, the upper through groove and the lower through groove form a mounting space, and the heat conduction pipe is disposed in the mounting space and extends to the outside of the mounting space.
7. The jig according to claim 6, wherein the head end and the tail end of the heat conduction pipe are both extended to the outside of the installation space.
8. The fixture of claim 4, wherein the upper fixture is provided with an upper channel, the lower fixture is provided with a lower channel, the upper channel and the lower channel form the heat conducting channel, two outer conduits are communicated with the heat conducting channel, and the two outer conduits are oppositely arranged.
9. The jig according to any one of claims 4 to 8, wherein the heat conducting medium in the heat conducting channel is heat conducting oil or heat conducting steam.
10. The jig according to claim 9, wherein the temperature of the heat conducting medium is 180-300 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210918640.5A CN117542908A (en) | 2022-08-01 | 2022-08-01 | Packaging structure and jig of photovoltaic module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210918640.5A CN117542908A (en) | 2022-08-01 | 2022-08-01 | Packaging structure and jig of photovoltaic module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117542908A true CN117542908A (en) | 2024-02-09 |
Family
ID=89782832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210918640.5A Pending CN117542908A (en) | 2022-08-01 | 2022-08-01 | Packaging structure and jig of photovoltaic module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117542908A (en) |
-
2022
- 2022-08-01 CN CN202210918640.5A patent/CN117542908A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206301914U (en) | A kind of new energy resource power battery for collecting water-cooling and heating one | |
| WO2018107926A1 (en) | Indirect-contact liquid cooling/heating device and method for power battery pack | |
| CN202633346U (en) | Photovoltaic junction box having external module and radiator | |
| JPH11325610A (en) | Solar energy utilizing device | |
| CN102420266A (en) | Solar terminal box | |
| CN206293500U (en) | A kind of electrostrictive polymer core power battery module for collecting radiating heating one | |
| CN106253632A (en) | A kind of air-cooled heat dissipation structure of high-power modular power supply | |
| CN104579158B (en) | The processing method of solar electrical energy generation assembly terminal box | |
| CN105916357A (en) | Power supply heat dissipation device based on cold plate and method thereof | |
| KR20170091296A (en) | Liquid Type Photohvoltaic-thermal Collector | |
| CN105489966B (en) | Power battery pack | |
| CN102315307A (en) | Thermal device and photovoltaic module having the same | |
| CN105489804B (en) | The battery module of power battery pack | |
| CN110677123A (en) | Novel photovoltaic junction box | |
| KR20180024411A (en) | Photovoltaic thermal system and method | |
| CN117542908A (en) | Packaging structure and jig of photovoltaic module | |
| CN205752436U (en) | Power battery pack | |
| CN202352797U (en) | Water cooling type lithium battery module cooling system | |
| CN216873721U (en) | Intelligent platform area fusion terminal | |
| CN212113857U (en) | Waterproof leak protection liquid lithium cell group | |
| CN209747588U (en) | Battery bearing device and vehicle | |
| CN205335317U (en) | Battery module of power battery group | |
| US20130316216A1 (en) | Battery cell | |
| US20090308447A1 (en) | Photovoltaic module with at least one crystalline solar cell | |
| WO2012027908A1 (en) | Solar cell member |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |