TW202013879A - Manufacturing method/structure of solar photovoltaic module structure with elastic- transparent protective layer and solar photovoltaic cell structure thereof - Google Patents

Abstract

The present invention provides a manufacturing method/structure of solar photovoltaic module structure with elastic- transparent protective layer and solar photovoltaic cell structure thereof, comprising: providing a plurality of solar photovoltaic panels; forming a plurality of buffer-protection layers that make an elastic-light-transmissive material onto the positive electrode surface and/or the negative electrode surface of the non-string area; and forming string module that electrically connects the string soldering module to the string solder joints. Through the implementation of the invention, It can achieve the effect of increasing the vibration protection of solar photovoltaic modules and solar photovoltaic cells.

Description

Manufacturing method/structure of solar photovoltaic module structure with elastic light-transmitting protective layer and its solar photovoltaic cell structure

The invention is a manufacturing method/structure of a solar photovoltaic module structure with an elastic light-transmitting protective layer and its solar photovoltaic cell structure, in particular to a solar energy with an elastic light-transmitting protective layer applied to outdoor use in solar power solar photovoltaic panels Manufacturing method/structure of photovoltaic module structure and its solar photovoltaic cell structure.

Due to the frequent fluctuations in oil supply and the rise of environmental awareness, people are turning their attention to renewable energy, hoping to change the energy structure of human beings, and because solar energy can convert thermal energy into electrical energy through conversion devices, and then parallel with the city power , You can make the best application of solar energy.

Solar cell is a solar photovoltaic cell structure. Solar photovoltaic cells are divided into silicon-based semiconductor cells, CdTe thin-film batteries, CIGS thin-film batteries, dye-sensitized thin-film batteries, organic material batteries, etc. according to the production materials. Regardless of the type of solar photovoltaic cell, because of the relationship between materials, it is easy to be broken due to collision or vibration.

The problem that solar photovoltaic cells are easily broken, whether in the production process, after production, packaging, storage, transportation, or during installation and use, will seriously affect the yield of the process, manufacturing and maintenance costs, Therefore, how to design solar photovoltaic modules and solar photovoltaic cells that can withstand earthquakes has become an important issue in the solar industry.

The present invention is a manufacturing method/structure of a solar photovoltaic module structure with an elastic light-transmitting protective layer and its solar photovoltaic cell structure, which is mainly to solve the problem that solar photovoltaic equipment is easily broken due to collision or vibration.

The invention provides a method for manufacturing a solar photovoltaic module structure with an elastic light-transmitting protective layer, which comprises: providing a plurality of solar photovoltaic panels, each solar photovoltaic panel having a positive electrode surface and a negative electrode surface, and a positive electrode surface and a negative electrode surface Each is provided with a plurality of string welding points; forming a plurality of buffer protection layers, which is to attach an elastic light-transmitting material to the areas of the positive electrode surfaces and/or the negative electrode surfaces that are not the string welding points; and to form a string welding A module, which forms a string welding module on the positive faces and/or the negative faces and electrically connects the string welding points.

The invention also provides a solar photovoltaic module structure with an elastic light-transmitting protective layer, which includes: a plurality of solar photovoltaic panels, each of which has a plurality of series welding points on a positive side and a negative side of the solar photovoltaic panel; A buffer protection layer, which is a region where an elastic light-transmitting material is attached to the positive electrode surfaces and/or the negative electrode surfaces that are not the string welding points; and a string welding module formed on the positive electrode surfaces and And/or the negative electrode surfaces are electrically connected to the string welding points.

The invention also provides a solar photovoltaic cell structure with a buffer protection layer, which includes: a solar photovoltaic panel having a positive electrode surface and a negative electrode surface, and respectively provided with a plurality of serial welding points; and at least one buffer protection layer It is an elastic light-transmitting material and is attached to the positive electrode surface and/or the negative electrode surface, and is not the area of the series welding points.

Through the implementation of the present invention, at least the following improved effects can be achieved: First, the seismic resistance of solar photovoltaic modules and solar photovoltaic cells can be effectively improved. 2. It can reduce the production cost of solar photovoltaic modules and solar photovoltaic cells. 3. It can make the application environment of solar photovoltaic modules and solar photovoltaic cells more extensive.

In order to let any person skilled in the art understand the technical content of the present invention and implement it accordingly, and according to the content, patent application scope and drawings disclosed in this specification, any person skilled in the art can easily understand the purpose and advantages related to the present invention Therefore, the detailed features and advantages of the present invention will be described in detail in the embodiments.

As shown in FIG. 1, it is an embodiment of a manufacturing method (S100) of a solar photovoltaic module structure with an elastic light-transmitting protective layer, which includes: providing a plurality of solar photovoltaic panels (S10); forming a plurality of buffer protection layers (S20); and forming a string welding module (S30).

As shown in FIGS. 2A and 2B, it is an embodiment of a solar photovoltaic cell structure 110 with a buffer protection layer, which includes: a solar photovoltaic panel 10; and at least one buffer protection layer 20.

As shown in FIG. 3, it is a structural example of a solar photovoltaic module 100 with an elastic light-transmitting protective layer, which includes: a plurality of solar photovoltaic panels 10; a plurality of buffer protection layers 20; and a series of welding modules 30 .

Provide a plurality of solar photovoltaic panels (S10), solar photovoltaic panels 10 are elements that can directly convert light energy into electrical energy after being irradiated by sunlight, each solar photovoltaic panel 10 has a positive surface and a negative surface, and a positive surface A plurality of string welding points 111 are provided on the negative electrode surface.

In order to effectively output the electric energy of the solar photovoltaic panel 10, each positive electrode surface and negative electrode surface will form a contact for outputting electric energy, and in order to enable the solar photovoltaic panel 10 to effectively pass through series or parallel to form solar energy For the power generation module, these contacts are used as the series welding points 111.

Forming a plurality of buffer protection layers (S20), which attaches an elastic light-transmitting material 210 to the positive electrode surfaces and/or the negative electrode surfaces, mainly by the elastic light-transmitting material 210, which has a light-transmitting material Therefore, it will not affect the light absorption of the solar photovoltaic panel 10, so it will not affect the power generation of the solar photovoltaic panel 10.

Moreover, the elastic light-transmitting material 210 has elasticity, and when covered in a large area on the solar photovoltaic panel 10, it can produce a shock absorption effect, thereby effectively protecting the solar photovoltaic panel 10, but when installed, it does not affect the power output of the solar photovoltaic panel 10 Therefore, the buffer protection layer 20 is disposed in an area other than the string welding points 111.

The above-mentioned elastic light-transmitting material 210 may be a silicone gel, a nano-sized photonic crystal, a photo-curable or a thermal-cured material. During manufacturing, the above-mentioned elastic light-transmitting material 210 can be formed on the positive electrode surface and/or the negative electrode surface by inkjet printing, mold molding, or nano-imprinting.

In addition, the buffer protection layer 20 can be a multi-layer stacked structure, that is, the curing is performed once after each layer is manufactured; the cured buffer protection layer 20 will be more supportive, so the buffer protection can be performed again The layer 20 is made and then cured again. In this way, the thickness of the buffer protection layer 20 can be adjusted, and a multilayer stack structure can be formed.

After the solar photovoltaic panel 10 has completed the buffer protection layer 20 on the positive side and/or the negative side, the solar photovoltaic cell structure 110 with the buffer protection layer has been completed. At this time, if a solar module is further formed, the solar photovoltaic cell structure 110 with a buffer protection layer must be electrically connected in series or in parallel.

Forming a series welding module (S30) is to electrically connect the solar photovoltaic cell structure 110 with a buffer protection layer in series or in parallel, which forms the series welding module 30 on the positive faces and/or the ones The negative electrode surface and electrically connect the string welding module 30 to the string welding points 111 to form a series or parallel structure.

As shown in FIGS. 4A and 4B, the above-mentioned series welding module 30 may be a series welding tape, a tinned copper tape, or a flexible series connection board 310; wherein the flexible series connection board 310 includes: : A light-transmitting plate 311; a plurality of wire groups 312; and an adhesive layer 313 can be further provided.

The light-transmitting plate 311 is a light-transmitting material and can penetrate the light of the sun. The light-transmitting plate 311 has an outer surface and a bonding surface, wherein the outer surface is a light-receiving surface, and the bonding surface is used for bonding to the positive electrode surface or the negative electrode surface. The transparent plate 311 can be a flexible transparent plate 311, and the transparent plate 311 can also be a transparent plastic film, such as an EVA (Polyethylene vinylacetate) plastic film.

In order to provide protection against damage caused by environmental climate change, ensure the service life of the solar photovoltaic panel 10, and improve the power generation efficiency of the solar photovoltaic panel 10, the light-transmitting panel 311 can be an EVA plastic film, which is non-sticky at room temperature According to the anti-adhesive property, after the solar photovoltaic panel 10 is encapsulated during certain conditions, the EVA plastic film will be melted and cured by glue bonding. It belongs to the thermally cured hot-melt adhesive film. The cured EVA plastic film becomes Is completely transparent, has a relatively high light transmittance, and the cured EVA plastic film can withstand atmospheric changes and has elasticity, and encapsulates the solar photovoltaic panel 10.

A plurality of wire groups 312 are formed on the light-transmitting plate 311, which are formed on the bonding surface in parallel with each other, and any one of the wire groups 312 may have a plurality of wires 12a. During manufacturing, the wires 12a can be fabricated on the flexible tandem plate 310 in a low-temperature growth mode.

The adhesive layer 313, some of the light-transmitting plates 311 which are not inherently adhesive, can be further formed with an adhesive layer 313 on the bonding surface of the light-transmitting plate 311, but in order not to affect the function of the wire group 312, the adhesive The layer 313 is formed in a portion that does not cover the wire group 312.

In order to form a complete circuit, the flexible tandem plate 310 may further have at least one conductive end plate 314, which is disposed on the flexible tandem plate 310 and does not cover the position of the solar photovoltaic panel 10, and the conductive end plate 314 is electrically connected to the wire sets 312. The conductive end plate 314 can be used to electrically connect the two encapsulated solar photovoltaic panels 10 in series/parallel.

The flexible tandem plate 310 is used for tandem connection, which is to attach the flexible tandem plate 310 for bonding to the positive electrode or the negative electrode to the positive electrode surface and the negative electrode surface of each solar photovoltaic panel 10 respectively. When bonding, each wire group 312 and each string of welding points 111 are electrically connected to each other in a one-to-one manner. In some processes, the flexible series connection plate 310 can be used for electrical series connection on one of the positive electrode side or the negative electrode side, but the other electrode technology can be used for electrical series connection of the solar photovoltaic panel 10 on the other electrode side .

As shown in FIGS. 5A and 5B, in series connection, since any of the wire groups 312 of the light-transmitting plate 311 is formed with a plurality of wires 12a, the slim structure of the wire 12a can not affect the light-transmitting plate 311. When the transparent plate 311 can be a flexible transparent plate or a transparent adhesive film, when the transparent plate 311 covers the uneven surface formed by the string welding points 111 on the solar photovoltaic panel 10, when transparent When the light plate 311 exerts an outward force on both sides of the convex surface of the string bonding point 111, the wire group 312 and the string bonding point 111 can be tightly electrically connected, so the wire group 312 and the string bonding point 111 can be carried out Welding can also be done without welding. If not welded, not only can the process be reduced, but also the cost can be reduced.

However, the above embodiments are used to illustrate the characteristics of the present invention, and its purpose is to enable those skilled in the art to understand the content of the present invention and implement it accordingly, rather than limiting the scope of the patent of this creation, so any other The equivalent modification or modification done by the spirit of disclosure should still be included in the scope of the patent application described below.

S100: manufacturing method of solar photovoltaic module structure with elastic light-transmitting protective layer S10: providing plural solar photovoltaic panels S20: forming plural buffer protective layers S30: forming string welding module 10: solar photovoltaic panels 20: buffer protective layers 100: Solar photovoltaic module with elastic light-transmitting protection layer 110: Solar photovoltaic cell structure with buffer protection layer 111: String welding point 210: Elastic light-transmitting material 30: String welding module 310: Flexible serial connection plate 311: light-transmitting plate 312: wire group 12a: wire 313: adhesive layer 314: conductive end plate

[Figure 1] is an embodiment of a manufacturing method of a solar photovoltaic module structure with an elastic light-transmitting protective layer of the present invention; [Figure 2A] is a three-dimensional implementation of a solar photovoltaic cell with a buffer protective layer of the present invention Example drawing; [Picture 2B] is a cross-sectional view of a solar photovoltaic cell with buffer protection layer according to the present invention; [Picture 3] is a solar photovoltaic module with an elastic light-transmitting protection layer of the present invention [Figure 4A] is a diagram of an embodiment of a flexible tandem board of the present invention; [FIG. 4B] is a diagram of an embodiment of a flexible tandem board with an adhesive layer of the present invention; [No. 5A Figure] is a three-dimensional embodiment of a flexible tandem plate of the present invention and a solar photovoltaic cell with a buffer protection layer; and [Figure 5B] is a flexible tandem plate of the present invention and a buffer protection layer A cross-sectional view of an example of a solar photovoltaic cell.

S100: Manufacturing method of solar photovoltaic module structure with elastic light-transmitting protective layer

S10: Provide multiple solar photovoltaic panels

S20: Form a plurality of buffer protection layers

S30: Form a string welding module

Claims (10)

A method for manufacturing a solar photovoltaic module structure with an elastic light-transmitting protective layer, comprising: providing a plurality of solar photovoltaic panels, each of which has a plurality of series welding points on a positive side and a negative side of the solar photovoltaic panel; Forming a plurality of buffer protection layers, which is to attach an elastic light-transmitting material to the areas of the positive electrode surfaces and/or the negative electrode surfaces that are not the string welding points; and to form a string welding module, which is a string welding die A group is formed on the positive electrode surfaces and/or the negative electrode surfaces and is electrically connected to the string welding points. The manufacturing method as described in item 1 of the patent application range, wherein the elastic light-transmitting material is formed on the positive electrode surface and/or the negative electrode surface by inkjet printing, mold molding, or nano-imprinting. The manufacturing method as described in item 1 of the patent application range, wherein the elastic light-transmitting material is a silicone gel, a nano-sized photonic crystal, a photo-curable, or a thermally-cured material. The manufacturing method as described in item 1 of the patent application scope, wherein the buffer protection layers are a multilayer stack structure. A solar photovoltaic module structure with an elastic light-transmitting protective layer, comprising: a plurality of solar photovoltaic panels, each of which has a plurality of serial welding points on a positive side and a negative side of the solar photovoltaic panel; a plurality of buffer protections Layer, which is a region where an elastic light-transmitting material is attached to the positive electrode surfaces and/or the negative electrode surfaces that are not the string welding points; and a string welding module, which is formed on the positive electrode surfaces and/or the The negative electrode surfaces are electrically connected to the series welding points. The solar photovoltaic module structure as described in item 5 of the patent application scope, wherein the buffer protection layers are respectively a silicone glue, a nanometerized photonic crystal, a photocurable, or a thermally cured elastic light-transmitting structure. The solar photovoltaic module structure as described in item 5 of the patent application scope, wherein the buffer protection layers are respectively a multi-layer stacked structure. A solar photovoltaic cell structure with a buffer protection layer, which includes: a solar photovoltaic panel having a positive electrode surface and a negative electrode surface, and respectively provided with a plurality of serial welding points; and at least one buffer protection layer, which is a The elastic light-transmitting material is attached to the positive electrode surface and/or the negative electrode surface, and is not the area of the string welding points. The solar photovoltaic cell structure as described in item 8 of the patent application range, wherein the buffer protection layer is a silicone rubber, a nano-sized photonic crystal, a photo-curable or a thermally-cured elastic light-transmitting structure. The solar photovoltaic cell structure as described in item 8 of the patent application scope, wherein the buffer protection layers are a multilayer stack structure.

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