Solar cell with anti-crack function

Abstract

The utility model relates to the technical field of solar cells, in particular to a solar cell with an anti-crack function, which comprises a cell frame, one end of the cell frame is fixedly connected with a cell cover plate, and an anti-crack mechanism is fixedly arranged between the cell frame and the cell cover plate. The anti-cracking mechanism comprises an anti-cracking film, the anti-cracking film is fixedly connected to the interior of the battery piece cover plate, and a splicing mechanism is fixedly connected to one side of the battery piece frame and one side of the battery piece cover plate and penetrates through the battery piece frame to the interior of the battery piece cover plate. According to the utility model, through the mutual cooperation of the internal parts of the anti-cracking mechanism, the possibility that the battery piece in the battery piece frame is cracked can be reduced, and the service life of the battery piece main body is prolonged; therefore, a plurality of battery piece main bodies can be conveniently connected with the battery piece cover plate through the battery piece frame.

Description

Technical Field

[0001] The utility model relates to the technical field of solar cells, in particular to a solar cell with a crack prevention function. Background Technique

[0002] A solar cell is a device that absorbs sunlight and directly or indirectly converts solar radiant energy into electrical energy through the photovoltaic effect or the photochemical effect. The main material of most solar panels is silicon. With the continuous changes of people, people have become more and more concerned about new energy, which makes the use of solar panels more and more common.

[0003] However, during the long-term use of solar cells, due to the long-term exposure to the sun, the molecules on the surface glass or inside the silicon wafer of the solar cell are heated and expanded, which may lead to the risk of the glass on the surface of the solar cell being broken, thus affecting the normal use of the solar cell.

[0004] Therefore, it is necessary for us to propose a solar cell with a crack prevention function to solve the above problems. Content of the Utility Model

[0005] The purpose of the utility model is to provide a solar cell with a crack prevention function. Through the mutual cooperation of the internal parts of the crack prevention mechanism, the possibility of the battery inside the battery cell frame being broken can be reduced, and the service life of the battery cell body can be improved, so as to solve the problem that in the prior art, due to the long-term exposure to the sun, the molecules on the surface glass or inside the silicon wafer of the solar cell are heated and expanded, which may lead to the risk of the glass on the surface of the solar cell being broken, thus affecting the normal use of the solar cell.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A solar cell with a crack prevention function, including a battery cell frame, one end of the battery cell frame is fixedly connected with a battery cell cover plate, a crack prevention mechanism is installed and fixed between the battery cell frame and the battery cell cover plate and penetrates into the inside of the battery cell frame, and a splicing mechanism is fixedly connected to one side of the battery cell frame and the battery cell cover plate and penetrates through the battery cell frame into the inside of the battery cell cover plate.

[0007] Preferably, the crack prevention mechanism includes a crack prevention film, the crack prevention film is fixedly connected to the inside of the battery cell cover plate and is located at one end of the battery cell frame, one end of the crack prevention film close to the battery cell frame is fixedly connected with a battery cell body and is attached to the outer wall of the crack prevention film, an absorbing glass layer is installed and fixed inside the battery cell body, a light energy conversion layer is installed and fixed at one end of the absorbing glass layer away from the crack prevention film, and a plurality of stress relief columns are fixedly connected between the absorbing glass layer and the light energy conversion layer and penetrate into the inside of the battery cell body.

[0008] Preferably, the splicing mechanism includes a connecting block, the connecting block is fixedly connected to one side of the battery cell frame, a fixing block is fixedly connected to the side of the battery cell cover plate away from the connecting block and is located at one end of the connecting block, a fixing bolt is threadedly connected to the end of the fixing block away from the connecting block and penetrates through the fixing block into the inside of the connecting block, and a docking plate is fixedly connected to the inside of the battery cell frame and penetrates into the inside of the battery cell cover plate.

[0009] Preferably, the anti-cracking film is made of low-density polyethylene plastic, the light-absorbing glass layer is made of ultra-clear glass, and the light energy conversion layer is made of polycrystalline silicon wafers.

[0010] Preferably, installation grooves matching the battery cell body are formed inside the battery cell cover plate and the battery cell frame, and the top corners around the outer wall of the battery cell body in the installation grooves are all formed into arc surfaces, and the unloading column is made of soft rubber.

[0011] Preferably, a threaded groove matching the fixing bolt is formed between the connecting block and the fixing block, a docking groove matching the docking plate is formed inside the battery cell cover plate, and the connecting block and the fixing block are connected to each other in opposite directions.

[0012] In the above technical solution, the technical effects and advantages provided by the present utility model are as follows:

[0013] 1. By installing and fixing the battery cell body between the battery cell cover plate and the battery cell frame, and fitting the battery cell cover plate and the battery cell frame together, the anti-cracking film is made to fit the surface of the battery cell body, thereby improving the protection ability of the surface of the battery cell body. The light-absorbing glass layer and the light energy conversion layer inside the battery cell body facilitate improving the power conversion rate of the battery cell body. At the same time, through the unloading column between the light-absorbing glass layer and the light energy conversion layer, when the light-absorbing glass layer and the light energy conversion layer are irradiated by sunlight for a long time, the molecular activities inside them come into contact with the unloading column, and the unloading column absorbs and unloads the stress inside the battery cell body in a timely manner, thus reducing the risk of the battery cell body breaking itself under long-term sunlight irradiation;

[0014] 2. After the battery cell body is installed and fixed between the battery cell cover plate and the battery cell frame, and the battery cell cover plate is docked and fixed to the battery cell frame through the docking plate, multiple battery cell frames are spliced together by approaching each other through the connecting block and the fixing block, so that the threaded grooves formed on the connecting block and the fixing block are aligned and connected to each other. Then, the fixing bolt is rotated, and the fixing bolt penetrates through the fixing block into the inside of the connecting block through the thread, thereby completing the connection and fixing between the connecting block and the fixing block and completing the connection and splicing operation between multiple battery cell frames. Description of the Drawings

[0015] To more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments recorded in the present invention. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings.

[0016] Figure 1 Schematic diagram of the overall structure of the present utility model;

[0017] Figure 2 Schematic cross-sectional view of the overall structure of the main body of the battery cell of the present utility model;

[0018] Figure 3 Schematic diagram of the connection structure of the battery cell frame of the present utility model;

[0019] Figure 4 Schematic exploded cross-sectional view of the battery cell frame of the present utility model;

[0020] Figure 5 For the present utility model Figure 3 Schematic enlarged view of part A therein.

[0021] Explanation of reference numerals:

[0022] 1. Battery cell frame; 101. Battery cell cover plate; 2. Anti-cracking mechanism; 201. Anti-cracking film; 202. Battery cell main body; 203. Light-absorbing glass layer; 204. Light energy conversion layer; 205. Force-relieving column; 3. Splicing mechanism; 301. Connecting block; 302. Fixed block; 303. Fixed bolt; 304. Docking plate. Detailed implementation manners

[0023] In order to enable those skilled in the art to better understand the technical solutions of the present utility model, the following will further introduce the present utility model in detail in conjunction with the drawings.

[0024] The present utility model provides a Figures 1-5 solar cell with a crack prevention function as shown in the figure, including a battery cell frame 1. One end of the battery cell frame 1 is fixedly connected with a battery cell cover plate 101. An anti-cracking mechanism 2 is installed and fixed between the battery cell frame 1 and the battery cell cover plate 101 and penetrates into the interior of the battery cell frame 1. One side of the battery cell frame 1 and the battery cell cover plate 101 is fixedly connected with a splicing mechanism 3, which penetrates through the battery cell frame 1 into the interior of the battery cell cover plate 101. Through the mutual cooperation of the components inside the anti-cracking mechanism 2, the possibility of the battery cell inside the battery cell frame 1 being cracked can be reduced, and the service life of the battery cell main body 202 can be improved. Through the mutual cooperation of the components inside the splicing mechanism 3, it is convenient to connect multiple battery cell main bodies 202 to each other through the battery cell frame 1 and the battery cell cover plate 101.

[0025] Refer to the attached instruction manual Figures 1-5 Figures 1-5 , the anti-cracking mechanism 2 includes an anti-cracking film 201. The anti-cracking film 201 is fixedly connected to the inside of the battery cell cover plate 101 and is located at one end of the battery cell frame 1. One end of the anti-cracking film 201 close to the battery cell frame 1 is fixedly connected with a battery cell main body 202 and is attached to the outer wall of the anti-cracking film 201. An absorbing glass layer 203 is fixedly installed inside the battery cell main body 202. A light energy conversion layer 204 is fixedly installed at one end of the absorbing glass layer 203 away from the anti-cracking film 201. A plurality of stress-relieving columns 205 are fixedly connected between the absorbing glass layer 203 and the light energy conversion layer 204 and penetrate into the inside of the battery cell main body 202. Through the mutual cooperation of the internal parts of the anti-cracking mechanism 2, the possibility of the battery cells inside the battery cell frame 1 being cracked can be reduced, and the service life of the battery cell main body 202 can be extended.

[0026] Refer to the attached instruction manual Figures 1-5 Figures 1-5 , the splicing mechanism 3 includes a connecting block 301. The connecting block 301 is fixedly connected to one side of the battery cell frame 1. A fixing block 302 is fixedly connected to the side of the battery cell cover plate 101 away from the connecting block 301 and is located at one end of the connecting block 301. A fixing bolt 303 is threadedly connected to one end of the fixing block 302 away from the connecting block 301 and penetrates through the fixing block 302 into the inside of the connecting block 301. A docking plate 304 is fixedly connected inside the battery cell frame 1 and penetrates into the inside of the battery cell cover plate 101. Through the mutual cooperation of the internal parts of the splicing mechanism 3, multiple battery cell main bodies 202 can be conveniently connected to each other through the battery cell frame 1 and the battery cell cover plate 101.

[0027] Refer to the attached instruction manual Figures 1-5 Figures 1-5 , the material of the anti-cracking film 201 is low-density polyethylene plastic, the material of the absorbing glass layer 203 is ultra-white glass, and the material of the light energy conversion layer 204 is polycrystalline silicon wafers. Since the material of the anti-cracking film 201 is low-density polyethylene plastic, it is convenient for the anti-cracking film 201 to be attached to the battery cell main body 202 to provide anti-cracking protection for the battery cell main body 202.

[0028] Refer to the attached instruction manual Figures 1-5 Figures 1-5 , installation grooves matching the battery cell main body 202 are provided inside both the battery cell cover plate 101 and the battery cell frame 1, and the top corners around the outer wall of the installation grooves and the battery cell main body 202 are all arc-shaped surfaces. The material of the stress-relieving columns 205 is soft rubber. Since installation grooves matching the battery cell main body 202 are provided inside both the battery cell cover plate 101 and the battery cell frame 1, it is convenient for the battery cell main body 202 to be fixedly installed inside the battery cell cover plate 101 and the battery cell frame 1.

[0029] Refer to the attached instruction manual Figures 1-5, a threaded groove matching the fixing bolt 303 is provided between the connecting block 301 and the fixing block 302, and a docking groove matching the docking plate 304 is provided inside the battery cell cover plate 101. The connecting block 301 and the fixing block 302 are connected facing each other. By providing a threaded groove matching the fixing bolt 303 between the connecting block 301 and the fixing block 302, it is convenient for the fixing bolt 303 to connect and fix the connecting block 301 and the fixing block 302.

[0030] The working principle of this utility model:

[0031] Refer to the attached instructions Figures 1-5 , by installing and fixing the battery cell body 202 between the battery cell cover plate 101 and the battery cell frame 1, and fitting the battery cell cover plate 101 and the battery cell frame 1 together, the anti-cracking film 201 is made to fit the surface of the battery cell body 202, thereby improving the protection ability of the surface of the battery cell body 202. Through the light-absorbing glass layer 203 and the light energy conversion layer 204 inside the battery cell body 202, it is convenient to improve the power conversion rate of the battery cell body 202. At the same time, through the stress-relieving column 205 between the light-absorbing glass layer 203 and the light energy conversion layer 204, when the light-absorbing glass layer 203 and the light energy conversion layer 204 are irradiated by sunlight for a long time, the molecular activities inside them come into contact with the stress-relieving column 205, and the stress-relieving column 205 absorbs and relieves the stress inside the battery cell body 202 in a timely manner, thus reducing the risk of the battery cell body 202 breaking itself under long-term sunlight irradiation;

[0032] Refer to the attached instructions Figures 1-5 , by installing and fixing the battery cell body 202 between the battery cell cover plate 101 and the battery cell frame 1, and after docking and fixing the battery cell cover plate 101 with the battery cell frame 1 through the docking plate 304, a plurality of battery cell frames 1 are spliced together by approaching each other through the connecting block 301 and the fixing block 302, so that the threaded grooves provided on the connecting block 301 and the fixing block 302 are aligned and connected to each other. Then, the fixing bolt 303 is rotated, and the fixing bolt 303 passes through the fixing block 302 through the thread and enters the inside of the connecting block 301, thus completing the connection and fixing between the connecting block 301 and the fixing block 302, and completing the connection and splicing operation between a plurality of battery cell frames 1.

[0033] Only some exemplary embodiments of the present utility model are described by way of illustration above. Undoubtedly, for those of ordinary skill in the art, without departing from the spirit and scope of the present utility model, the described embodiments can be modified in various different ways. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the protection scope of the claims of the present utility model.

Claims

1. A solar cell with a crack prevention function, comprising a cell frame (1), characterized in that: One end of the cell frame (1) is fixedly connected with a cell cover plate (101). A crack prevention mechanism (2) is installed and fixed between the cell frame (1) and the cell cover plate (101) and penetrates into the interior of the cell frame (1). One side of the cell frame (1) and the cell cover plate (101) is fixedly connected with a splicing mechanism (3) which penetrates through the cell frame (1) into the interior of the cell cover plate (101).

2. The solar cell with a crack prevention function according to claim 1, characterized in that: The crack prevention mechanism (2) includes a crack prevention film (201). The crack prevention film (201) is fixedly connected to the interior of the cell cover plate (101) and is located at one end of the cell frame (1). One end of the crack prevention film (201) close to the cell frame (1) is fixedly connected with a cell main body (202) which is in fit with the outer wall of the crack prevention film (201). An optical absorption glass layer (203) is installed and fixed inside the cell main body (202). A light energy conversion layer (204) is installed and fixed at one end of the optical absorption glass layer (203) away from the crack prevention film (201). A plurality of stress relief columns (205) are fixedly connected between the optical absorption glass layer (203) and the light energy conversion layer (204) and penetrate into the interior of the cell main body (202).

3. A solar cell with a crack prevention function according to claim 1, characterized in that: The splicing mechanism (3) includes a connection block (301). The connection block (301) is fixedly connected to one side of the cell frame (1). A fixing block (302) is fixedly connected to one side of the cell cover plate (101) away from the connection block (301) and is located at one end of the connection block (301). A fixing bolt (303) is threadedly connected to one end of the fixing block (302) away from the connection block (301) and penetrates through the fixing block (302) into the interior of the connection block (301). A docking plate (304) is fixedly connected inside the cell frame (1) and penetrates into the interior of the cell cover plate (101).

4. A solar cell with a crack prevention function according to claim 2, characterized in that: The material of the crack prevention film (201) is low-density polyethylene plastic. The material of the optical absorption glass layer (203) is ultra-clear glass. The material of the light energy conversion layer (204) is polycrystalline silicon wafer.

5. A solar cell with a crack prevention function according to claim 2, characterized in that: Installation grooves matching with the cell main body (202) are respectively formed inside the cell cover plate (101) and the cell frame (1), and the top corners around the outer wall of the installation groove and the cell main body (202) are all formed as arc surfaces. The material of the stress relief column (205) is soft rubber.

6. A solar cell with a crack prevention function according to claim 3, characterized in that: A thread groove matching with the fixing bolt (303) is formed between the connection block (301) and the fixing block (302). A docking groove matching with the docking plate (304) is formed inside the cell cover plate (101). The connection block (301) and the fixing block (302) are connected to each other in an opposite direction.

Images