CN220710331U - Pore-free double-glass photovoltaic module - Google Patents
Pore-free double-glass photovoltaic module Download PDFInfo
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- CN220710331U CN220710331U CN202322169134.3U CN202322169134U CN220710331U CN 220710331 U CN220710331 U CN 220710331U CN 202322169134 U CN202322169134 U CN 202322169134U CN 220710331 U CN220710331 U CN 220710331U
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- glass
- circuit board
- photovoltaic module
- insulating circuit
- positive
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- 239000011521 glass Substances 0.000 title claims abstract description 101
- 238000004806 packaging method and process Methods 0.000 claims abstract description 28
- 239000002313 adhesive film Substances 0.000 claims abstract description 27
- 230000009977 dual effect Effects 0.000 claims description 4
- 238000002834 transmittance Methods 0.000 claims description 4
- 101001073212 Arabidopsis thaliana Peroxidase 33 Proteins 0.000 claims description 3
- 101001123325 Homo sapiens Peroxisome proliferator-activated receptor gamma coactivator 1-beta Proteins 0.000 claims description 3
- 102100028961 Peroxisome proliferator-activated receptor gamma coactivator 1-beta Human genes 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 8
- 238000003475 lamination Methods 0.000 abstract description 3
- 238000009413 insulation Methods 0.000 description 6
- 238000011161 development Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000003822 epoxy resin Substances 0.000 description 3
- 229920000647 polyepoxide Polymers 0.000 description 3
- 238000004080 punching Methods 0.000 description 3
- 238000010079 rubber tapping Methods 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005816 glass manufacturing process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 239000005341 toughened glass Substances 0.000 description 1
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- Photovoltaic Devices (AREA)
Abstract
The utility model discloses a nonporous double-glass photovoltaic module, which comprises: the front glass, the front packaging adhesive film, the battery layer, the first buffer layer, the insulating circuit board, the second buffer layer, the back packaging adhesive film and the back glass are sequentially stacked; the battery layer is electrically connected with the insulating circuit board; the insulating circuit board is provided with a bypass diode and positive and negative electrode wires; the positive and negative electrode wires are respectively connected with a positive electrode connector and a negative electrode connector outside the glass. The utility model adopts the insulating circuit board provided with the high-temperature-resistant bypass diode as a current output carrier, the insulating circuit board provided with the diode is laminated in the photovoltaic module through the module lamination process, and the current is connected to the positive and negative connectors outside the module through the positive and negative leads on the insulating circuit board. The nonporous double-glass photovoltaic module has high module power, avoids perforation in the middle of glass, and increases the overall rigidity, strength and service life of the glass.
Description
Technical Field
The utility model relates to the technical field of photovoltaic modules, in particular to a non-porous double-glass photovoltaic module.
Background
At present, the mounting mode of the junction box of the double-glass assembly requires punching on glass, but based on the processing characteristics of the glass, the punching on the ultra-thin glass is easy to cause glass breakage, which is one of key factors for preventing the ultra-thin glass from improving the yield, and along with the development trend of the double-glass assembly towards the light-weight direction, the development of ultra-thin double-glass assembly can be seriously affected.
The method of mounting the junction box on the outer side of the assembly or hanging the junction box on the outer side of the assembly to avoid the glass hole process is studied, but the assembly adopts a mode of connecting the whole circuits in series, so that the assembly current is larger and the power is lower. Chinese patent CN 204859106U provides a dual-glass assembly without opening holes, which adopts a way of dislocating upper and lower glass to realize the glass opening-free method, but such design has the defects of poor strength, dislocating, etc.
Disclosure of Invention
The utility model aims at: aiming at the problems that the ultrathin glass is easy to damage and prevent the development of a nonporous double-glass assembly due to punching, and the defects of poor strength, dislocation, low assembly power and the like of the existing perforating-free double-glass assembly, the utility model provides the perforating-free double-glass photovoltaic assembly in a novel structural form, and solves the problems.
The utility model is realized by the following technical scheme:
the utility model provides a pore-free dual glass photovoltaic module which characterized in that, pore-free dual glass photovoltaic module include: the front glass, the front packaging adhesive film, the battery layer, the first buffer layer, the insulating circuit board, the second buffer layer, the back packaging adhesive film and the back glass are sequentially stacked; the battery layer is electrically connected with the insulating circuit board; the insulating circuit board is provided with a bypass diode; the insulating circuit board is also provided with positive and negative electrode wires; the positive and negative electrode leads are respectively connected with a positive electrode connector and a negative electrode connector outside the glass.
Specifically, the insulating circuit board adopts a polyester or epoxy resin board with higher strength, has better insulating property and strength, and can well support and protect the diode. Meanwhile, the mechanical strength and the shock resistance of the photovoltaic module can be improved after lamination packaging, so that the module has higher strength.
The front packaging adhesive film and the back packaging adhesive film can be made of one of EVA/EPE/POE, but are not limited to PVB, liquid silica gel (for photovoltaic double glass) and other materials.
Further, a non-porous dual-glass photovoltaic module: the front glass adopts ultra-white rolled coated glass. In particular, it adopts single-sided coated glass or double-sided coated glass.
Further, a non-porous dual-glass photovoltaic module: the thickness of the front glass is 2.0-3.2 mm, and the light transmittance is 92-94%.
Further, a non-porous dual-glass photovoltaic module: the thickness of the front packaging adhesive film (2) and the back packaging adhesive film is 0.3-0.5 mm, and the density is 380-520 g/m 2 。
Further, a non-porous dual-glass photovoltaic module: the battery layer consists of a first battery layer and a second battery layer, and the first battery layer and the second battery layer are arranged in parallel; the first battery layer and the second battery layer are respectively formed by connecting a plurality of battery pieces in series.
The battery layers are connected by adopting a half-sheet process, and are arranged in series and then in parallel, so that the power of the assembly is high.
Further, a non-porous dual-glass photovoltaic module: the battery plates are PERC or TOPCON battery plates, and the number of grid lines is 10-16 BB.
Further, a non-porous dual-glass photovoltaic module: the insulating circuit board is arranged on the first buffer layer and corresponds to the gap position between the first battery layer and the second battery layer.
Further, a non-porous dual-glass photovoltaic module: the insulation circuit board is provided with an outgoing line hole and an anode and cathode bonding pad; positive and negative outgoing lines in the battery layer are respectively connected with the positive and negative bonding pads through the outgoing line holes; and the bypass diode is connected with the anode and cathode bonding pads to form a series circuit.
Further, a non-porous dual-glass photovoltaic module: the thickness of the insulating circuit board is 0.5-1.0 mm.
Specifically, the nonporous double-glass photovoltaic module designed by the utility model adopts an insulating circuit board provided with a high-temperature-resistant bypass diode as a current output carrier, the insulating circuit board provided with the diode is laminated in the photovoltaic module through a module lamination process, and current is connected to an anode connector and a cathode connector outside the module through anode wires and cathode wires on the insulating circuit board. The nonporous double-glass photovoltaic module designed by the utility model has high module power, avoids perforation in the middle of glass, and increases the overall rigidity, strength and service life of the glass.
The utility model has the beneficial effects that:
(1) Compared with the prior mainstream conventional glass tapping, the utility model adopts a non-porous back glass double-sided glass structure, and has the advantages that the cost of glass tapping can be reduced and the yield in the glass tempering process can be improved because of no glass tapping procedure in the glass manufacturing process; at the photovoltaic module manufacturing end, the nonporous double-glass photovoltaic module structure designed by the utility model has higher rigidity and strength, and can achieve higher load strength.
(2) The size of the upper layer glass and the lower layer glass of the nonporous double-glass photovoltaic module designed by the utility model are kept consistent, so that the strength of the photovoltaic module is higher, and the preparation yield is higher.
(3) The buffer layers are arranged on the upper side and the lower side of the insulating circuit board, so that the diode can be well protected, and the diode is packaged in the photovoltaic module, so that the service life of the module is prolonged.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a layered structure diagram of a non-porous dual-glass photovoltaic module designed in accordance with the present utility model;
FIG. 2 is a schematic diagram of an insulation circuit board according to the present utility model;
FIG. 3 is an enlarged view of a portion of an insulated circuit board according to the present utility model;
FIG. 4 is a schematic diagram of the circuit connection of the battery layers according to the present utility model;
fig. 5 is a schematic view of the structure of a battery layer according to the present utility model.
The marks in the figure: the LED packaging structure comprises a front glass, a front packaging adhesive film, a 3 battery layer, a 4 first buffer layer, a 5 insulating circuit board, a 6 second buffer layer, a 7 back packaging adhesive film, an 8 back glass, a 9 bypass diode, a 10 positive electrode connector, a 11 negative electrode connector, a 12 positive and negative electrode lead, a 3-1 first battery layer, a 3-2 second battery layer, a 3-3 battery piece, a 3-4 positive and negative electrode lead-out wire, a 5-1 lead-out wire hole and a 5-2 positive and negative electrode bonding pad.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "left," "right," "top," "bottom," and the like indicate orientations or positional relationships, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may include one or more of the feature, either explicitly or implicitly. Moreover, the terms "first," "second," and the like, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein.
Example 1
As shown in fig. 1 to 5, a non-porous dual-glass photovoltaic module is characterized in that the non-porous dual-glass photovoltaic module comprises: the front glass 1, the front packaging adhesive film 2, the battery layer 3, the first buffer layer 4, the insulating circuit board 5, the second buffer layer 6, the back packaging adhesive film 7 and the back glass 8 are sequentially stacked;
the battery layer 3 is composed of a first battery layer 3-1 and a second battery layer 3-2, and the first battery layer 3-1 and the second battery layer 3-2 are arranged in parallel; the first battery layer 3-1 and the second battery layer 3-2 are respectively formed by connecting a plurality of battery pieces 3-3 in series; the insulating circuit board 5 is arranged on the first buffer layer 4 and corresponds to the gap between the first battery layer 3-1 and the second battery layer 3-2; the insulation circuit board 5 is provided with an outgoing line hole 5-1 and a positive electrode bonding pad 5-2; the positive and negative electrode outgoing lines 3-4 in the battery layer 3 are respectively connected with the positive and negative electrode bonding pads 5-2 through outgoing line holes 5-1; the insulating circuit board 5 is provided with a bypass diode 9, and the bypass diode 9 is connected with the positive electrode pad 5-2 to form a series circuit; the insulating circuit board 5 is also respectively provided with an anode lead 12, and the anode lead 12 is led out of the glass; the insulation circuit board 5 is also provided with a positive electrode connector 10 and a negative electrode connector 11 which are respectively connected with the positive and negative electrode lead 12;
wherein: the front glass 1 adopts ultra-white rolled coated glass with double-sided coating, the thickness of the front glass 1 is 2.0mm, the light transmittance is 92%, and the glass size is 2272×1128mm;
the front packaging adhesive film 2 adopts the thickness of 0.3mm and the density of 380g/m 2 The size of the POE adhesive film 2 of the front packaging adhesive film is 2270 multiplied by 1123mm;
wherein the battery piece 3-3 is a TOPCON battery piece; the insulating circuit board 5 is an epoxy resin board, the size of the insulating circuit board 5 is 1088 multiplied by 30mm, the length of the insulating circuit board 5 is smaller than the width of glass, and the thickness of the insulating circuit board 5 is 0.5mm;
the first buffer layer 4 and the second buffer layer 6 may have a size larger than that of the insulating circuit board 5, so as to cover the insulating circuit board 5;
the back packaging adhesive film 7 is the same as the front packaging adhesive film 2;
the thickness of the back glass 8 is 2.0mm, and toughened glass is adopted.
Example 2
As shown in fig. 1 to 4, a non-porous dual-glass photovoltaic module is characterized in that the non-porous dual-glass photovoltaic module comprises: the front glass 1, the front packaging adhesive film 2, the battery layer 3, the first buffer layer 4, the insulating circuit board 5, the second buffer layer 6, the back packaging adhesive film 7 and the back glass 8 are sequentially stacked;
the battery layer 3 is composed of a first battery layer 3-1 and a second battery layer 3-2, and the first battery layer 3-1 and the second battery layer 3-2 are arranged in parallel; the first battery layer 3-1 and the second battery layer 3-2 are respectively formed by connecting a plurality of battery pieces 3-3 in series; the insulating circuit board 5 is arranged on the first buffer layer 4 and corresponds to the gap between the first battery layer 3-1 and the second battery layer 3-2; the insulation circuit board 5 is provided with an outgoing line hole 5-1 and a positive electrode bonding pad 5-2; the positive and negative electrode outgoing lines 3-4 in the battery layer 3 are respectively connected with the positive and negative electrode bonding pads 5-2 through outgoing line holes 5-1; the insulating circuit board 5 is provided with a bypass diode 9, and the bypass diode 9 is connected with the positive electrode pad 5-2 to form a series circuit; the insulating circuit board 5 is also respectively provided with an anode lead 12, and the anode lead 12 is led out of the glass; the insulation circuit board 5 is also provided with a positive electrode connector 10 and a negative electrode connector 11 which are respectively connected with the positive and negative electrode lead 12;
wherein: the front glass 1 adopts ultra-white rolled coated glass with double-sided coating, the thickness of the front glass 1 is 3.2mm, the light transmittance is 94%, and the glass size is 2272×1128mm;
the front packaging adhesive film 2 adopts the thickness of 0.5mm and the density of 520g/m 2 The size of the front packaging adhesive film 2 is 2268 multiplied by 1124mm;
wherein, the battery piece 3-3 is PERC battery piece; the insulating circuit board 5 is an epoxy resin board, the size of the insulating circuit board 5 is 1068 multiplied by 40mm, the length of the insulating circuit board 5 is smaller than the width of glass, and the thickness of the insulating circuit board 5 is 1.0mm;
the first buffer layer 4 and the second buffer layer 6 may have a size larger than that of the insulating circuit board 5, so as to cover the insulating circuit board 5;
the back packaging adhesive film 7 is completely the same as the front packaging adhesive film 2;
the thickness of the back glass 8 is 3.2mm, and toughened grid glass is adopted.
The above-described preferred embodiments of the present utility model are only for illustrating the present utility model, and are not to be construed as limiting the present utility model. Obvious changes and modifications of the utility model, which are introduced by the technical solution of the present utility model, are still within the scope of the present utility model.
Claims (9)
1. The utility model provides a pore-free dual glass photovoltaic module which characterized in that, pore-free dual glass photovoltaic module include: the front glass (1), the front packaging adhesive film (2), the battery layer (3), the first buffer layer (4), the insulating circuit board (5), the second buffer layer (6), the back packaging adhesive film (7) and the back glass (8) are sequentially stacked;
the battery layer (3) is electrically connected with the insulating circuit board (5); a bypass diode (9) is arranged on the insulating circuit board (5); the insulating circuit board (5) is also provided with positive and negative electrode wires (12); the positive and negative electrode lead (12) is respectively connected with the positive electrode connector (10) and the negative electrode connector (11) outside the glass.
2. The nonporous double-glass photovoltaic module of claim 1, wherein the front glass (1) is made of ultra-white rolled coated glass.
3. The nonporous double-glass photovoltaic module according to claim 1, wherein the thickness of the front glass (1) is 2.0-3.2 mm, and the light transmittance is 92-94%.
4. The nonporous double-glass photovoltaic module according to claim 1, wherein the thickness of the front packaging adhesive film (2) and the back packaging adhesive film (7) is 0.3-0.5 mm, and the density is 380-520 g/m 2 。
5. The nonporous double-glass photovoltaic module according to claim 1, wherein the cell layer (3) is composed of a first cell layer (3-1) and a second cell layer (3-2), and the first cell layer (3-1) and the second cell layer (3-2) are arranged in parallel; the first battery layer (3-1) and the second battery layer (3-2) are respectively formed by connecting a plurality of battery pieces (3-3) in series.
6. The nonporous double-glass photovoltaic module according to claim 5, wherein the battery piece (3-3) is a PERC or TOPCON battery piece, and the number of grid lines is 10-16 BB.
7. The non-porous dual-glass photovoltaic module according to claim 5, wherein the insulating circuit board (5) is disposed on the first buffer layer (4) and corresponds to a gap position between the first cell layer (3-1) and the second cell layer (3-2).
8. The nonporous double-glass photovoltaic module according to claim 1, wherein the insulating circuit board (5) is provided with a lead-out hole (5-1) and a positive and negative electrode bonding pad (5-2); the positive and negative outgoing lines (3-4) in the battery layer (3) are respectively connected with the positive and negative bonding pads (5-2) through the outgoing line holes (5-1); the bypass diode (9) is connected with the anode and cathode bonding pads (5-2) to form a series circuit.
9. The non-porous double-glass photovoltaic module according to claim 1, characterized in that the thickness of the insulating circuit board (5) is 0.5-1.0 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322169134.3U CN220710331U (en) | 2023-08-14 | 2023-08-14 | Pore-free double-glass photovoltaic module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322169134.3U CN220710331U (en) | 2023-08-14 | 2023-08-14 | Pore-free double-glass photovoltaic module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220710331U true CN220710331U (en) | 2024-04-02 |
Family
ID=90446640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322169134.3U Active CN220710331U (en) | 2023-08-14 | 2023-08-14 | Pore-free double-glass photovoltaic module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220710331U (en) |
-
2023
- 2023-08-14 CN CN202322169134.3U patent/CN220710331U/en active Active
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