阅读说明：本技术 一体式光伏组件生产工艺 (Integrated photovoltaic module production process ) 是由 章宏伟 于 2020-12-05 设计创作，主要内容包括：本发明公开了一体式光伏组件生产工艺,包括外保护框、光伏板和透明钢化玻璃,外保护框的内侧固定安装有隔热层,外保护框内腔的底部固定安装有吸热箱,吸热箱顶壁的内部固定安装有导热块,透明钢化玻璃的底部固定安装有多个聚光凸透镜,光伏板包括背板,背板的内部固定安装有导热板,背板的顶部固定安装有限位框,限位框的内部粘合有下EVA膜。通过在透明钢化玻璃的底部安装多个聚光凸透镜可以排列组成为聚光层,无论太阳光线从哪个方向照射到聚光凸透镜上,聚光凸透镜都可以很好地对光线进行折射和聚光,使光线能够精准的照射在光伏板顶部,不需要为了追踪太阳经常改变光伏板的朝向,提高了整个组件的性价比,从而有利于光伏组件的推广使用。(The invention discloses an integrated photovoltaic module production process which comprises an outer protection frame, a photovoltaic panel and transparent toughened glass, wherein a heat insulation layer is fixedly installed on the inner side of the outer protection frame, a heat absorption box is fixedly installed at the bottom of an inner cavity of the outer protection frame, a heat conduction block is fixedly installed inside a top wall of the heat absorption box, a plurality of light-gathering convex lenses are fixedly installed at the bottom of the transparent toughened glass, the photovoltaic panel comprises a back plate, a heat conduction plate is fixedly installed inside the back plate, a limiting frame is fixedly installed at the top of the back plate, and a lower EVA film is bonded inside the limiting frame. A plurality of spotlight convex lenses can be arranged to form a light gathering layer through the bottom of transparent toughened glass, no matter which direction sunlight shines the spotlight convex lens, the spotlight convex lens can refract and spotlight the light well, so that the light can be accurately shined at the top of the photovoltaic panel, the orientation of the photovoltaic panel is not required to be changed frequently in order to track the sun, the cost performance of the whole assembly is improved, and the popularization and the use of the photovoltaic assembly are facilitated.)

1. Integral type photovoltaic module, including outer protecting frame (1), photovoltaic board (2) and transparent toughened glass (3), its characterized in that: a heat insulation layer (5) is fixedly arranged on the inner side of the outer protection frame (1), a heat absorption box (8) is fixedly arranged at the bottom of an inner cavity of the outer protection frame (1), a heat conduction block (9) is fixedly arranged inside the top wall of the heat absorption box (8), and a plurality of light-gathering convex lenses (4) are fixedly arranged at the bottom of the transparent toughened glass (3);

photovoltaic board (2) are including backplate (201), the inside fixed mounting of backplate (201) has heat-conducting plate (202), the top fixed mounting of backplate (201) has spacing frame (203), the inside bonding of spacing frame (203) has lower EVA membrane (204), one side bonding that backplate (201) were kept away from in lower EVA membrane (204) has panel (205), one side bonding that lower EVA membrane (204) were kept away from in panel (205) has last EVA membrane (206), it has glass lid (207) to go up one side bonding that EVA membrane (206) kept away from panel (205).

2. The integrated photovoltaic module of claim 1, wherein: the front and the back of the outer protective frame (1) and the heat insulation layer (5) are provided with first cooling holes (6), and the front and the back of the heat absorption box (8) are provided with second cooling holes (7).

3. The integrated photovoltaic module of claim 1, wherein: the number of the first cooling holes (6) is multiple, the number of the second cooling holes (7) is multiple, and the positions of the first cooling holes (6) correspond to the positions of the second cooling holes (7).

4. The integrated photovoltaic module of claim 1, wherein: the back plate (201) is bonded to the top of the heat conducting block (9), the specification size of the heat conducting plate (202) is smaller than that of the heat conducting block (9), and the heat conducting plate (202) is in contact with the heat conducting block (9).

5. The integrated photovoltaic module of claim 1, wherein: the transparent toughened glass (3) is adhered to the top of the outer protective frame (1), and the plurality of light-gathering convex lenses (4) are positioned inside the outer protective frame (1).

6. The integrated photovoltaic module of claim 1, wherein: the cell panel (205), the upper EVA film (206) and the glass cover (207) are all positioned inside the limiting frame (203) on the top of the back panel (201).

7. An integrated photovoltaic module according to claims 1-6, wherein: the production process of the integrated photovoltaic module comprises the following specific steps:

s1: firstly, carrying out plasma treatment on the back plate (201), wherein the plasma treatment can improve the bonding performance between the back plate (201) and the lower EVA film (204) and the heat conducting block (9);

s2: then, a lower EVA film (204) is placed inside a limiting frame (203) on the top of a back plate (201), a battery panel (205) is placed on the top of the lower EVA film (204), an upper EVA film (206) is placed on the top of the battery panel (205), a glass cover (207) is placed on the top of the upper EVA film (206), then the whole body is placed inside a laminating machine for laminating, and after the laminating is finished, the photovoltaic panel (2) is cut and polished;

s3: then, the processed photovoltaic panel (2) is placed on the inner side of the outer protection frame (1), the bottom of the back panel (201) is contacted with the top of the heat conduction block (9), the heat conduction plate (202) in the back panel (201) is contacted with the heat conduction block (9), and then the whole photovoltaic panel is placed in a laminating machine for lamination;

s4: then coating glue on four sides of the bottom of the transparent toughened glass (3), then adhering the transparent toughened glass (3) on the top of the outer protective frame (1), enabling the light-gathering convex lens (4) to be located inside the outer protective frame (1), and then integrally placing the transparent toughened glass inside a laminating machine for laminating.

8. The integrated photovoltaic module production process of claim 7, wherein: the concentration of working gas in a gas generation cavity of the plasma processor is 91.5-97.5%, the discharge frequency of the plasma processor is 300-4650 Hz, and the plasma processing time is 0.1-4 s.

9. The integrated photovoltaic module production process of claim 7, wherein: the working gas is argon or helium.

Technical Field

The invention belongs to the technical field of photovoltaic modules, and particularly relates to an integrated photovoltaic module production process.

Background

The single solar cell can not be directly used as a power supply, and a photovoltaic module can be put into use only by combining a plurality of single solar cells. The photovoltaic module (also called solar panel) is a core part of a solar power generation system and is also the most important part of the solar power generation system, and the photovoltaic module has the function of converting solar energy into electric energy and sending the electric energy to a storage battery for storage or pushing a load to work.

Although a plasma processing technology is adopted in the conventional photovoltaic module production process, the disadvantage that the bonding strength between a weather-resistant layer of a back plate and an EVA film is low in the conventional module production process is solved, the bonding performance between the back plate and the EVA film is optimized, the service life of the module is prolonged, but the photovoltaic module is still not integrated with an external protection device, so that light cannot accurately irradiate the top of the photovoltaic panel, the orientation of the photovoltaic panel needs to be changed frequently in order to track the sun, in addition, the heat dissipation effect of the photovoltaic panel is poor, and the output power of the solar cell is reduced due to the rise of temperature.

Disclosure of Invention

The invention aims to provide an integrated photovoltaic module production process, and aims to solve the problems that in the use process of the existing photovoltaic module in the background art, the existing photovoltaic module is generally obtained by packaging a solar cell piece by front panel glass, a back panel or back panel glass and EVA, and is not integrated with an external protection device, so that the radiating effect is poor, and the output power of the solar cell is reduced due to the fact that light cannot accurately irradiate the top of a photovoltaic panel and the temperature rises.

In order to achieve the purpose, the invention provides the following technical scheme: integral type photovoltaic module, including outer bearer bar, photovoltaic board and transparent toughened glass, the inboard fixed mounting of outer bearer bar has the insulating layer, the bottom fixed mounting of outer bearer bar inner chamber has the heat absorption case, the inside fixed mounting of heat absorption roof wall has the heat conduction piece, transparent toughened glass's bottom fixed mounting has a plurality of spotlight convex lens.

The photovoltaic board includes the backplate, the inside fixed mounting of backplate has the heat-conducting plate, the top fixed mounting of backplate has spacing frame, the inside bonding of spacing frame has lower EVA membrane, the one side bonding that the backplate was kept away from to lower EVA membrane has the panel, the one side bonding that the panel kept away from lower EVA membrane has last EVA membrane, it has the glass lid to go up the one side bonding that the panel was kept away from to the EVA membrane.

Preferably, the front and the back of the outer protective frame and the heat insulation layer are both provided with first cooling holes, and the front and the back of the heat absorption box are both provided with second cooling holes.

Preferably, there are a plurality of the first cooling holes and the second cooling holes, and the positions of the first cooling holes and the second cooling holes correspond to each other.

Preferably, the back plate is bonded to the top of the heat conducting block, the specification and the size of the heat conducting plate are smaller than those of the heat conducting block, and the heat conducting plate is in contact with the heat conducting block.

Preferably, the transparent tempered glass is bonded to the top of the outer protective frame, and the plurality of light-gathering convex lenses are located inside the outer protective frame.

Preferably, the cell panel, the upper EVA film and the glass cover are all located inside the limiting frame at the top of the back plate.

The production process of the integrated photovoltaic module comprises the following specific steps:

s1: firstly, the back plate is subjected to plasma treatment, and the plasma treatment can improve the bonding performance between the back plate and the lower EVA film and the heat conducting block.

S2: then place the inside at the spacing frame at backplate top with EVA membrane down, place the top of EVA membrane under with the panel, will go up the EVA membrane and place the top at the panel, place the top at last EVA membrane with the glass lid, then wholly place and carry out the lamination in laminator inside, cut the processing of polishing to the photovoltaic board after the lamination finishes.

S3: then the photovoltaic panel that will process the completion is placed the inboard of outer protective frame, makes the bottom of backplate and the top of heat conduction piece contact to make the inside heat-conducting plate of backplate and heat conduction piece contact, then wholly place inside the laminator and carry out the lamination.

S4: and then coating glue on four sides of the bottom of the transparent toughened glass, then adhering the transparent toughened glass on the top of the outer protective frame, enabling the condensing convex lens to be positioned in the outer protective frame, and then integrally placing the outer protective frame in a laminating machine for laminating.

Preferably, the concentration of the working gas in the gas generation cavity of the plasma processor is 91.5-97.5%, the discharge frequency of the plasma processor is 300-4650 Hz, and the plasma processing time is 0.1-4 s.

Preferably, the working gas is argon or helium.

Compared with the prior art, the invention has the beneficial effects that:

1. through a plurality of spotlight convex lens of bottom installation at transparent toughened glass can form the spotlight layer of arranging the constitution by a plurality of spotlight convex lens between transparent toughened glass and photovoltaic board, no matter which direction of sun light follow shines on the spotlight convex lens, spotlight convex lens can all refract and spotlight to light well, make shining that light can be accurate at the photovoltaic board top, need not change the orientation of photovoltaic board frequently in order to track the sun, the price/performance ratio of whole subassembly has been improved, thereby be favorable to photovoltaic module's popularization and use.

2. The heat absorption box, the heat conduction block and the heat conduction plate can absorb the heat generated by the photovoltaic plate, cooling water can be added into the heat absorption box through the first cooling holes on the front sides of the outer protection frame and the heat insulation layer and the second cooling holes on the front sides of the heat absorption box, the cooling water is discharged from the second cooling holes on the back sides of the outer protection frame and the heat insulation layer and the second cooling holes on the back sides of the heat absorption box to form flowing cooling water, heat generated by the photovoltaic panel can be transmitted to the heat conduction block through the heat conduction plate, the heat conduction block is in contact with the cooling water in the heat absorption box, and the heat conduction block transmits the heat to the cooling water, thereby cooling the photovoltaic panel in real time, utilizing the slow flow of cooling water in the heat absorption box, carrying out heat exchange more fully, having better heat collection effect and higher efficiency, and also well solving the problem of heat generation of the prior photovoltaic panel, in addition, the heat insulation layer is arranged, so that the heat generated by the sun irradiating the outer protection frame can be prevented from influencing the operation of the inner photovoltaic panel.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a front cross-sectional structural view of the present invention;

FIG. 3 is a schematic cross-sectional view of the absorber box of the present invention;

FIG. 4 is a schematic view of a photovoltaic panel hierarchy of the present invention;

fig. 5 is a schematic bottom view of the photovoltaic panel of the present invention.

In the figure: 1. an outer protective frame; 2. a photovoltaic panel; 201. a back plate; 202. a heat conducting plate; 203. a limiting frame; 204. lower EVA film; 205. a battery plate; 206. coating an EVA film; 207. a glass cover; 3. transparent toughened glass; 4. a condensing convex lens; 5. a thermal insulation layer; 6. a first cooling hole; 7. a second cooling hole; 8. a heat absorption box; 9. a heat conducting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment is as follows:

referring to fig. 1-5, the present invention provides a technical solution: integral type photovoltaic module, including outer protecting frame 1, photovoltaic board 2 and transparent toughened glass 3, the inboard fixed mounting of outer protecting frame 1 has insulating layer 5, and the bottom fixed mounting of 1 inner chamber of outer protecting frame has heat absorption case 8, and the inside fixed mounting of the 8 roof of heat absorption case has heat conduction piece 9, and the bottom fixed mounting of transparent toughened glass 3 has a plurality of spotlight convex lens 4.

Photovoltaic board 2 includes backplate 201, and the inside fixed mounting of backplate 201 has heat-conducting plate 202, and the top fixed mounting of backplate 201 has spacing frame 203, and the inside bonding of spacing frame 203 has lower EVA membrane 204, and one side that backplate 201 was kept away from to lower EVA membrane 204 has battery board 205, and one side that EVA membrane 204 was kept away from down to battery board 205 is bonded and is had last EVA membrane 206, and one side that battery board 205 was kept away from to last EVA membrane 206 is bonded and is had glass lid 207.

In the embodiment, firstly, the backboard 201 is subjected to plasma treatment, the concentration of working gas in a gas generation cavity of the plasma treatment machine is 91.5-97.5%, the working gas is argon or helium, the discharge frequency of the plasma treatment machine is 300-4650 Hz, the plasma treatment time is 0.1-4 s, the plasma treatment can improve the bonding performance between the backboard 201 and the lower EVA film 204 and the heat conduction block 9, then the lower EVA film 204 is placed inside a limit frame 203 at the top of the backboard 201, the cell panel 205 is placed on the top of the lower EVA film 204, the upper EVA film 206 is placed on the top of the cell panel 205, the glass cover 207 is placed on the top of the upper EVA film 206, then the whole is placed inside a laminating machine for laminating, the photovoltaic panel 2 is cut and polished after lamination, then the processed photovoltaic panel 2 is placed on the inner side of the outer protection frame 1, so that the bottom of the backboard is contacted with the top of the heat conduction block 9, and make the heat-conducting plate 202 inside the backplate 201 contact with the heat-conducting block 9, the heat that the photovoltaic board 2 produced can transmit for the heat-conducting block 9 through the heat-conducting plate 202, the heat-conducting block 9 contacts with the cooling water inside the heat absorption box 8, the heat-conducting block 9 transmits the heat for the cooling water, thereby cool the photovoltaic 2 board in real time, utilize the cooling water to flow slowly in the heat absorption box 8, can carry out the heat exchange more fully, the thermal-arrest effect is better, high efficiency, also can solve the problem that current photovoltaic board 2 generates heat well, then wholly place inside the laminator and laminate, then paint the sizing material with the four sides of transparent toughened glass 3 bottom, then bond transparent toughened glass 3 at the top of outer protective frame 1, and make spotlight convex lens 4 be located the inside outer protective frame 1, through installing a plurality of spotlight convex lens 4 at the bottom of transparent toughened glass 3 can form the spotlight that is arranged by a plurality of spotlight convex lens 4 and is constituteed between transparent toughened glass 3 and photovoltaic board 2 Layer, no matter which direction the sunlight shines on spotlight convex lens 4 from, spotlight convex lens 4 can all refract and spotlight to light well, makes shining that light can be accurate at 2 tops of photovoltaic board, need not have improved the price/performance ratio of whole subassembly in order to track the orientation that the sun often changed photovoltaic board 2 to be favorable to photovoltaic module's using widely, then whole placing inside the laminator carry out the lamination can.

Example two:

referring to fig. 1-5, on the basis of the first embodiment, the present invention provides a technical solution: first cooling hole 6 has all been seted up on the front and the back of outer protecting frame 1 and insulating layer 5, second cooling hole 7 has all been seted up on the front and the back of heat absorption case 8, first cooling hole 6 and second cooling hole 7 all have a plurality ofly, and the position of first cooling hole 6 and second cooling hole 7 is corresponding, backplate 201 bonds at the top of heat conduction piece 9, the specification and size of heat-conducting plate 202 is less than the specification and size of heat conduction piece 9, heat-conducting plate 202 contacts with heat conduction piece 9.

In the embodiment, the heat absorption box 8, the heat conduction block 9 and the heat conduction plate 202 are arranged to absorb the heat generated by the photovoltaic panel 2, cooling water can be added into the heat absorption box through the first cooling holes 6 on the front sides of the outer protection frame 1 and the heat insulation layer 5 and the second cooling holes 7 on the front side of the heat absorption box 8, the cooling water is discharged from the first cooling holes 6 on the back sides of the outer protection frame 1 and the heat insulation layer 5 and the second cooling holes 7 on the back side of the heat absorption box 8 to form flowing cooling water, heat generated by the photovoltaic panel 2 is transmitted to the heat conduction block 9 through the heat conduction plate 202, the heat conduction block 9 is contacted with the cooling water in the heat absorption box 8, the heat conduction block 9 transmits the heat to the cooling water, thereby cool off photovoltaic 2 board in real time, utilize the cooling water slowly to flow in heat absorption box 8, can carry out the heat exchange more fully, the thermal-arrest effect is better, and efficiency is higher, also can solve the problem that current photovoltaic board 2 generates heat well.

Example three:

referring to fig. 1-5, on the basis of the first embodiment, the second embodiment and the third embodiment, the present invention provides a technical solution: the transparent toughened glass 3 is adhered to the top of the outer protective frame 1, and the plurality of condensing convex lenses 4 are positioned inside the outer protective frame 1.

In this embodiment, through a plurality of spotlight convex lens 4 of bottom installation at transparent toughened glass 3 can form the spotlight layer of arranging the constitution by a plurality of spotlight convex lens 4 between transparent toughened glass 3 and photovoltaic board 2, no matter which direction is shone on spotlight convex lens 4 from solar ray, spotlight convex lens 4 all can refract and spotlight the light well, make shining that light can be accurate at photovoltaic board 2 tops, need not change photovoltaic board 2 orientation in order to track the sun often, the cost performance of whole subassembly has been improved, thereby be favorable to photovoltaic module's using widely.

Example four:

referring to fig. 1-5, on the basis of the first embodiment, the second embodiment, the third embodiment and the fourth embodiment, the present invention provides a technical solution: the cell panel 205, the upper EVA film 206 and the glass cover 207 are all located inside the spacing frame 203 on top of the back panel 201.

In this embodiment, the limiting frame 203 can provide protection and limitation for the lower EVA film 204, the cell panel 205, the upper EVA film 206 and the glass cover 207, and can prevent the lower EVA film 204, the cell panel 205, the upper EVA film 206 and the glass cover 207 from shifting during lamination when laminating the photovoltaic panel 2, thereby ensuring lamination quality and improving the productivity of the photovoltaic panel 2.

The production process of the integrated photovoltaic module comprises the following specific steps:

s1: firstly, carrying out plasma treatment on the back plate 201, wherein the concentration of working gas in a gas generation cavity of the plasma treatment machine is 91.5-97.5%, the working gas is argon or helium, the discharge frequency of the plasma treatment machine is 300-4650 Hz, and the plasma treatment time is 0.1-4 s, so that the bonding performance between the back plate 201 and the lower EVA film 204 and the heat conduction block 9 can be improved through the plasma treatment.

S2: then place lower EVA membrane 204 in the inside of the spacing frame 203 at backplate 201 top, place panel 205 in the top of lower EVA membrane 204, place last EVA membrane 206 in the top of panel 205, place glass lid 207 in the top of last EVA membrane 206, then wholly place inside the laminator and laminate, cut the processing of polishing to photovoltaic board 2 after the lamination finishes.

S3: the processed photovoltaic panel 2 is then placed on the inner side of the outer protective frame 1, the bottom of the back plate 201 is in contact with the top of the heat conducting block 9, the heat conducting plate 202 inside the back plate 201 is in contact with the heat conducting block 9, and then the whole is placed inside a laminating machine for lamination.

S4: then coating glue on four sides of the bottom of the transparent toughened glass 3, then adhering the transparent toughened glass 3 on the top of the outer protective frame 1, enabling the light-gathering convex lens 4 to be located inside the outer protective frame 1, and then integrally placing the transparent toughened glass inside a laminating machine for laminating.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.