Solar cell photovoltaic module, heat collector and preparation method of solar cell photovoltaic module

Abstract

The invention relates to a solar cell photovoltaic module, a heat collector and a preparation method of the solar cell photovoltaic module, the solar cell photovoltaic module comprises flat box plastic, the flat box plastic is provided with a solar cell photovoltaic module, the solar cell photovoltaic module comprises a cell layer, a cell top layer arranged above the cell layer and a cell bottom layer arranged below the cell layer, the battery top layer comprises a light-transmitting layer and a battery piece polymer layer arranged below the light-transmitting layer, the battery layer comprises a battery piece, the battery bottom layer comprises a resin layer arranged below the battery piece and a single plate layer arranged below the resin layer, and EVA layers are arranged among the light-transmitting layer, the battery piece, the resin layer and the single plate layer. The photovoltaic cell assembly of the layer structure is integrally formed, the performance is more stable, the heat transfer efficiency is higher, safety is higher, and a more efficient hot water heating solution is provided. And the heat collector helps a user to reduce energy cost by reducing energy consumption, is more environment-friendly, reduces carbon emission and realizes sustainable development.

Description

Technical Field

[0001] The invention relates to the field of solar cell photovoltaic components and heat collectors, and in particular to a solar cell pressing structure, a heat collector and a preparation method of a solar cell photovoltaic component. Background Art

[0002] With fossil fuels becoming increasingly scarce, solar energy has become an important part of human energy and is constantly developing. There are two ways to use solar energy: photothermal conversion and photoelectric conversion. Solar power generation is an emerging renewable energy source. At present, solar power generation is achieved through solar panels. Solar panels absorb sunlight and convert solar radiation energy directly or indirectly into electrical energy through photoelectric effect or photochemical effect. Solar panels mainly include photovoltaic modules and metal plates. With the development of the photovoltaic industry, people have higher and higher requirements for solar cells. Not only do they require high conversion efficiency of solar cells, but they also need to improve energy utilization. The heat energy of existing solar cells is directly lost and not fully utilized, resulting in energy waste.

[0003] Chinese patent announcement number CN217485458U discloses a solar cell and a photovoltaic module, which relates to the technical field of solar photovoltaic modules; the solar cell comprises: a semiconductor substrate, the semiconductor substrate comprises a first surface and a second surface arranged oppositely; a first passivation layer located on one side of the first surface, and a first finger electrode arranged along a first direction and / or a first bus electrode arranged along a second direction arranged on the first passivation layer; a second passivation layer located on one side of the second surface, and a second finger electrode arranged along a first direction and / or a second bus electrode arranged along a second direction arranged on the second passivation layer; wherein the first direction intersects with the second direction; one side of the first surface of the solar cell has a first brightness and / or a second brightness; one side of the second surface of the solar cell has a first brightness and / or a second brightness; so that the user can adjust the brightness of the first surface and the second surface of the solar cell according to the needs to obtain the appearance required by the user. The patent fails to utilize thermal energy, resulting in the waste of thermal energy during solar heat dissipation, and increasing energy consumption. Summary of the invention

[0004] The technical problem to be solved by the present invention is that the heat energy of existing solar cells is directly lost and not fully utilized, resulting in energy waste. In view of the above defects of the prior art, a solar cell photovoltaic module, a heat collector and a preparation method of the module are provided.

[0005] In order to solve the above technical problems, the technical solution adopted by the present invention is:

[0006] A solar cell photovoltaic module is constructed, comprising a cell layer, a cell top layer arranged above the cell layer, and a cell bottom layer arranged below the cell layer, wherein the cell top layer comprises a light-transmitting layer, and a cell sheet polymer layer arranged below the light-transmitting layer, the cell layer comprises cell sheets, the cell bottom layer comprises a resin layer arranged below the cell sheets, and a single board layer arranged below the resin layer, and an EVA layer is arranged between the light-transmitting layer, the cell sheets, the resin layer and the single board layer.

[0007] Preferably, an epoxy board layer is arranged under the single board layer, and the top layer of the battery also includes a stress buffer layer and a PU layer. The PU layer is in contact with the battery layer, the stress buffer layer is placed above the PU layer, and a polymer layer is provided between the light-transmitting layer, the stress buffer layer and the PU layer.

[0008] Preferably, the bottom layer of the battery includes an insulating layer and a back plate layer, and the back plate layer is a metal back plate layer.

[0009] Preferably, a fluid channel is provided in the metal back plate layer, and the fluid channel is arranged at an angle, and the heat dissipation apertures at both ends of the fluid channel are different.

[0010] Preferably, a thermally conductive elastic column is arranged in the fluid channel, a permanent magnetic ring gasket is arranged in the thermally conductive elastic column, and the permanent magnetic ring gasket includes two groups of permanent magnetic ring substrates.

[0011] A heat collector is constructed, comprising a flat box plastic, on which a solar cell photovoltaic assembly as described above is arranged.

[0012] Preferably, the collector comprises a cooling unit and a battery unit, the cooling unit and the battery unit are connected via a heat-insulating material, and a plurality of groups of solar cell photovoltaic modules are arranged on the battery unit.

[0013] Preferably, the cooling unit comprises a cooling fluid channel, and a plurality of groups of heat dissipating fins are arranged on the cooling fluid channel.

[0014] Preferably, the battery unit comprises a plurality of groups of solar cell photovoltaic modules, and capillary heat pipes are arranged on both sides of each group of solar cell photovoltaic modules.

[0015] A method for preparing a solar cell photovoltaic module is constructed, wherein the above-mentioned solar cell photovoltaic module is formed by integral pressing.

[0016] The beneficial effects of the present invention are: the photovoltaic cell components of the layer structure are integrated and formed, the performance is more stable, the heat transfer efficiency is higher, and it is safer, and the heat dissipation efficiency is high, and the heat can be reused to provide a more efficient hot water heating solution. In addition, the collector reduces energy consumption, helps users reduce energy costs, is more environmentally friendly, reduces carbon emissions, and achieves sustainable development. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described below in conjunction with the accompanying drawings and embodiments. The drawings described below are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative work:

[0018] Figure 1 A schematic diagram of the structure of a photovoltaic cell assembly according to a preferred embodiment of the present invention;

[0019] Figure 2 It is a schematic structural diagram of a heat collector according to a preferred embodiment of the present invention. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the following will be described clearly and completely in combination with the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are partial embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work belong to the protection scope of the present invention.

[0021] A solar cell photovoltaic module according to a preferred embodiment of the present invention comprises a top cell layer 1 and a bottom cell layer 2, and a cell layer 2 arranged between the top cell layer and the bottom cell layer to form a solar cell pressing structure to fully utilize the performance of both solar photovoltaic and thermovoltaic aspects.

[0022] Specifically, Figure 1As shown, the top layer 1 of the battery includes a light-transmitting layer 20, a stress buffer layer arranged below the light-transmitting layer, a polymer layer arranged below the stress buffer layer, and a PU layer. The stress buffer layer and the PU layer may not be arranged, and they can provide better protection for the battery layer after being arranged. The bottom layer 3 of the battery includes an insulating layer 30 and a metal backplane layer 31. By arranging a highly transparent light glass on the top layer of the battery and an aluminum alloy energy-concentrating plate on the bottom layer of the battery, it is ensured that the product has excellent performance in solar energy conversion. The battery layer 2 uses battery cells, and in order to make each layer link more closely, an EVA layer 4 is pasted between each layer to form a solar cell pressing structure, and the preparation method of the light-transmitting layer, the battery layer and the metal backplane layer are pressed together to form a photovoltaic module, which has more stable performance, higher heat transfer efficiency, safer operation, and provides a more efficient hot water heating solution.

[0023] Furthermore, the light-transmitting layer 20 is made of ultra-white low-iron embossed glass, the EVA layer is made of ethylene vinyl acetate copolymer film EVA, and the resin layer is made of plastic polyester resin. A fluid channel is arranged in the metal backplane layer, the fluid channel is installed in an inclined manner, and the heat dissipation aperture at one end of the fluid channel is smaller than the heat dissipation aperture at the other end of the fluid channel, thereby improving the heat dissipation performance. A thermally conductive elastic column is also arranged in the fluid channel, and a permanent magnetic ring gasket is arranged in the thermally conductive elastic column, and the permanent magnetic ring gasket includes an upper permanent magnetic ring substrate and a lower permanent magnetic ring substrate. In this way, energy consumption is reduced, and users are helped to reduce energy costs, which makes the notification more environmentally friendly, reduces carbon emissions, and achieves sustainable development.

[0024] A solar collector according to a preferred embodiment of the present invention; Figure 2 As shown, a PV / T collector is made of a heat-resistant plastic flat box and a single-crystal silicon cell of the above-mentioned solar cell press-fit structure pasted on the flat box. The heat-resistant plastic adopts improved polyphenylene oxide. Since the solar cell back plate is made of aluminum alloy material, the heat transfer performance is effectively improved and the use effect is better.

[0025] Furthermore, the heat collector includes a heat dissipation unit and a battery unit, which are connected to each other by a thermal insulation material 3. The heat dissipation unit includes a cooling fluid channel 7, a cooling fluid inlet pipe 9 through which the cooling fluid flows in, and a cooling fluid outlet pipe 4 through which the cooling fluid flows out. The cooling fluid enters the fluid channel from the inlet pipe and flows out from the outlet pipe to achieve a cooling effect. In order to further improve the cooling effect, a plurality of groups of heat dissipation fins 6 are arranged on the cooling channel.

[0026] Furthermore, the battery unit includes a mounting frame, and a plurality of solar photovoltaic modules arranged on the mounting frame. In the present invention, 16 solar photovoltaic modules are arranged in a 4×4 arrangement, and a capillary heat pipe 2 is arranged on each vertical row of solar photovoltaic modules. Thus, a fin-type natural circulation flat box PV / T hot water system is formed, and the fin height is 10-20mm, the fin spacing is 20-40mm, the pipe inner diameter is 20-30mm, and the overall system thermal performance is better.

[0027] It should be understood that the present invention is described by some embodiments, and those skilled in the art will appreciate that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, under the teachings of the present invention, these features and embodiments may be modified to adapt to specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited by the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the scope of protection of the present invention.

Claims

1. A solar cell photovoltaic module, comprising a cell layer, a cell top layer arranged above the cell layer, and a cell bottom layer arranged below the cell layer, characterized in that: The top battery layer includes a light-transmitting layer and a battery cell polymer layer arranged below the light-transmitting layer, the battery layer includes battery cells, the bottom battery layer includes a resin layer arranged below the battery cells and a single board layer arranged below the resin layer, and an EVA layer is arranged between the light-transmitting layer, the battery cells, the resin layer and the single board layer.

2. The solar cell photovoltaic module according to claim 1, characterized in that: An epoxy board layer is arranged below the single board layer, and the top battery layer also includes a stress buffer layer and a PU layer. The PU layer is in contact with the battery layer, and the stress buffer layer is placed above the PU layer. A polymer layer is arranged between the light-transmitting layer, the stress buffer layer and the PU layer.

3. The solar cell photovoltaic module according to claim 1, characterized in that: The battery bottom layer comprises an insulating layer and a back plate layer, and the back plate layer is a metal back plate layer.

4. The solar cell photovoltaic module according to claim 3, characterized in that: A fluid channel is arranged in the metal back plate layer, and the fluid channel is arranged in an inclined manner, and the heat dissipation apertures at both ends of the fluid channel are different.

5. The solar cell photovoltaic module according to claim 4, characterized in that: A heat-conducting elastic column is arranged in the fluid channel, a permanent magnetic ring gasket is arranged in the heat-conducting elastic column, and the permanent magnetic ring gasket is formed by two groups of permanent magnetic ring substrates.

6. A heat collector comprising a flat box plastic, characterized in that: The flat box plastic is provided with a solar cell photovoltaic assembly as described in any one of claims 1-5.

7. The heat collector according to claim 6, characterized in that: The heat collector comprises a cooling unit and a battery unit, wherein the cooling unit and the battery unit are connected via a heat preservation material, and a plurality of groups of solar cell photovoltaic modules are arranged on the battery unit.

8. The heat collector according to claim 7, characterized in that: The cooling unit comprises a cooling fluid channel, and a plurality of groups of heat dissipation fins are arranged on the cooling fluid channel.

9. The heat collector according to claim 7, characterized in that: The battery unit comprises a plurality of groups of solar cell photovoltaic modules, and capillary heat pipes are arranged on both sides of each group of solar cell photovoltaic modules.

10. A method for preparing a solar cell photovoltaic module, characterized in that: A solar cell photovoltaic module as claimed in any one of claims 1 to 5 is formed by integral pressing.

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