Solar cell double-sided alkali texturing device
By designing a double-sided alkaline velvet-making device for solar cell cells, double-sided light absorption is achieved using flipped components and clamping components, and cooling is carried out through wind power components and cooling components, the problems of low photoelectric conversion efficiency and hotness of the cell in the prior art are solved, and the photoelectric conversion efficiency and service life of the cell are improved.
Patent Information
- Application Number
- CN202420509315.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-15
- Publication Date
- 2025-04-04
- Estimated Expiration
- 2034-03-15
AI Technical Summary
The existing alkaline velvet-making device can only perform alkaline velvet-making treatment on one side of the solar cell, and cannot effectively improve the photoelectric conversion efficiency of the cell and the absorption of sunlight by the surface area.
A double-sided alkaline velvet-making device for solar cell cells is designed. Through the cooperation of the flip assembly and the clamping assembly, the double-sided sunlight absorption of the cell is realized, and the cell is cooled down through the wind power assembly and the cooling assembly.
The solar cell is absorbed on both sides of the solar cell, which improves the photoelectric conversion efficiency, and avoids the problem of the battery cell being hot due to long-term absorption of sunlight through cooling.
Smart Images

Figure CN222720391U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of batteries, and more specifically to a double-sided alkali texturing device for a solar cell sheet. Background Art
[0002] Alkali texturing equipment is a device specially used to form an alkali texturing structure on the surface of solar cells. This structure is obtained by subjecting the cells to a specific corrosion treatment with an alkaline solution, and usually presents a pyramid-shaped velvet surface. The main goal of the alkali texturing equipment is to increase the surface area of the cells, thereby enhancing their ability to absorb sunlight and improve the photoelectric conversion efficiency.
[0003] The alkali texturing device generally includes pretreatment, alkali texturing treatment, cleaning and drying. The pretreatment part is responsible for cleaning the battery cells, removing dirt and impurities on the surface, and providing a clean surface for the subsequent texturing process. The alkali texturing treatment part is the core of the device. By precisely controlling the concentration, temperature and treatment time of the alkali solution, the ideal velvet structure is formed on the surface of the battery cell. The cleaning part is used to remove the alkali solution and impurities remaining on the surface of the battery cell after texturing. Finally, the drying part dries the cleaned battery cells to prevent residual moisture from affecting the performance of the battery cells.
[0004] Currently, the existing alkali texturing device only performs alkali texturing on one surface of the solar cell, and it is not convenient to perform alkali texturing on both sides of the solar cell. The photoelectric conversion efficiency of the solar cell is relatively weak, and it is not convenient to increase the surface area of the solar cell to absorb more sunlight, thereby improving the photoelectric conversion efficiency.
[0005] In view of this, the utility model provides a double-sided alkali texturing device for solar cell sheets. Utility Model Content
[0006] The utility model provides a double-sided alkali texturing device for solar cell sheets, which comprises a base, two support plates are fixedly connected to the top of the base, a flip assembly is symmetrically and movably connected inside the two support plates, the flip assembly passes through the inside of the support plate and is movably connected to two clamping assemblies, and a plurality of the clamping assemblies are movably connected with solar cells;
[0007] Wind power components are fixedly connected near the four corners of the top of the base, and cooling components are fixedly connected between the four wind power components. The cooling components are located directly below the clamping components.
[0008] As a further improvement of the present technical solution, the flipping assembly includes a rotating rod, which is movably connected to the inside of the support plate near the top, and one end of the rotating rod passing through the support plate is fixedly connected to a bracket, and the grooves on both sides of the bracket are movably connected to the clamping assembly, and the other end of the rotating rod passing through the support plate is fixedly connected to the motor output shaft, and the flipping assembly is used to adjust the fixing direction of the clamping assembly.
[0009] As a further improvement of the present technical solution, the clamping assembly includes a support rod, two of the support rods are respectively fixedly connected to the inside of the grooves on both sides of the bracket, the outer wall of the support rod is movably connected to a clamping plate, and the outer wall of the support rod passing through the clamping plate is movably connected to a nut, and the clamping assembly is used to fix the battery cell.
[0010] As a further improvement of the present technical solution, the wind power component includes a support block, four of the support blocks are respectively fixedly connected at the four corners of the top of the base, a fan is fixedly connected to the end of the motor output shaft inside the support block, a cooling component is fixedly connected between the four support blocks, the fan is located inside the cooling component, and the wind power component is used to deliver cold air to the inside of the cooling component.
[0011] As a further improvement of the present technical solution, the cooling component includes a branch pipe, two of the branch pipes are fixedly connected between two opposite support blocks, fans are provided inside the branch pipes near both ends, a plurality of blow pipes are fixedly connected between the two branch pipes, a plurality of holes are provided inside the blow pipes, and the cooling component is used to cool the bottom of the battery cell.
[0012] Compared with the prior art, the utility model has the following beneficial effects:
[0013] The battery cell is fixed between multiple clamping assemblies by adjusting the clamping assembly, and the clamping assembly is driven to rotate by rotating the flipping assembly, so that the direction of the battery cell fixed inside the clamping assembly facing the sun is adjusted to facilitate the flipping of the battery cell, so that both sides of the battery cell absorb sunlight, and cold air is transported to the inside of the cooling assembly through the wind power assembly, and the cold air is blown to the bottom of the battery cell through the cooling assembly, so as to cool the bottom of the battery cell to avoid absorbing sunlight for too long, which may cause the battery cell to heat up. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] The present invention is described in more detail below by way of example with reference to the accompanying drawings, in which:
[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0016] Figure 2 This is a schematic diagram of the clamping structure of the utility model;
[0017] Figure 3 This is a schematic diagram of the cooling structure of the utility model;
[0018] Figure 4 This is a schematic diagram of the wind power structure of the utility model.
[0019] The meanings of the numbers in the figure are as follows: 1. base; 11. support plate; 12. flip assembly; 120. rotating rod; 121. bracket; 13. clamping assembly; 130. support rod; 131. clamping plate; 14. wind power assembly; 140. support block; 141. fan; 15. cooling assembly; 150. branch pipe; 151. blow pipe. DETAILED DESCRIPTION
[0020] like Figure 1-4 As shown, the device includes a base 1, two support plates 11 are fixedly connected to the top of the base 1, and the two support plates 11 are symmetrically and movably connected with a flip assembly 12 inside. The flip assembly 12 passes through the inside of the support plate 11 and is movably connected with two clamping assemblies 13, and battery cells are movably connected between the multiple clamping assemblies 13;
[0021] Wind power components 14 are fixedly connected to the top of the base 1 near the four corners, and cooling components 15 are fixedly connected between the four wind power components 14. The cooling components 15 are located directly below the clamping components 13.
[0022] First, the specific structure of the flip assembly 12 is disclosed. The flip assembly 12 includes a rotating rod 120, which is movably connected to the inside of the support plate 11 near the top. One end of the rotating rod 120 passing through the support plate 11 is fixedly connected to a bracket 121, and the grooves on both sides of the bracket 121 are movably connected to the clamping assembly 13. The other end of the rotating rod 120 passing through the support plate 11 is fixedly connected to the motor output shaft. The flip assembly 12 is used to adjust the fixing direction of the clamping assembly 13, and the rotating rod 120 is driven to rotate inside the support plate 11 by the motor output shaft, and the bracket 121 is driven to rotate by the rotation of the rotating rod 120, and the clamping assembly 13 and the battery cell clamped and fixed therein are flipped by the bracket 121, so as to flip the side of the battery cell facing the sun, and absorb light on both sides of the battery cell;
[0023] According to the above disclosure of the specific structure of the clamping assembly 13, the clamping assembly 13 includes a support rod 130, two support rods 130 are respectively fixedly connected to the inside of the grooves on both sides of the bracket 121, the outer wall of the support rod 130 is movably connected with a clamping plate 131, and the support rod 130 passes through the outer wall of the clamping plate 131 and is movably connected with a nut. The clamping assembly 13 is used to fix the battery cell, by placing the battery cell between a plurality of clamping plates 131, by adjusting the position of the clamping plate 131 on the outer wall of the support rod 130, the distance between the two clamping plates 131 is adjusted, so that the battery cell is clamped between the two clamping plates 131, and by tightening the nut on the outer wall of the support rod 130, the position between the two clamping plates 131 is fixed, so that the battery cell is conveniently clamped and fixed;
[0024] According to the above disclosure of the specific structure of the wind assembly 14, the wind assembly 14 includes a support block 140, four support blocks 140 are respectively fixedly connected to the four corners of the top of the base 1, and the end of the motor output shaft inside the support block 140 is fixedly connected with a fan 141. A cooling assembly 15 is fixedly connected between the four support blocks 140, and the fan 141 is located inside the cooling assembly 15. The wind assembly 14 is used to transport cold air to the inside of the cooling assembly 15, and the fan 141 is driven to rotate inside the branch pipe 150 by the rotation of the motor output shaft inside the support block 140. The fan 141 rotates and outputs the wind body, so that the wind energy output by the fan 141 is conveniently filled inside the branch pipe 150;
[0025] According to the above disclosure of the specific structure of the cooling component 15, the cooling component 15 includes a branch pipe 150, and the two branch pipes 150 are respectively fixedly connected between the two opposite support blocks 140, and fans 141 are provided near both ends of the branch pipes 150. A plurality of blow pipes 151 are fixedly connected between the two branch pipes 150, and a plurality of holes are provided inside the blow pipes 151. The cooling component 15 is used to cool the bottom of the battery cell, and the wind energy filled inside the branch pipes 150 is transported to the interior of the plurality of blow pipes 151 through the branch pipes 150, and the wind is output through the plurality of holes inside the blow pipes 151, so that the wind blows toward the bottom of the battery cell to cool the battery cell.
[0026] The improvement of this embodiment is that: by placing the battery cell between the multiple clamping plates 131, by adjusting the position of the clamping plate 131 on the outer wall of the support rod 130, the distance between the two clamping plates 131 is adjusted, so that the battery cell is clamped between the two clamping plates 131, by tightening the nut on the outer wall of the support rod 130, the position between the two clamping plates 131 is fixed, and the battery cell is conveniently clamped and fixed, the motor output shaft drives the rotating rod 120 to rotate inside the support plate 11, the rotating rod 120 rotates to drive the bracket 121 to rotate, and the bracket 121 drives the clamping assembly 13 and the battery sheet clamped and fixed therein are flipped, so as to flip the side of the battery sheet facing the sun, and absorb light from both sides of the battery sheet. The motor output shaft inside the support block 140 rotates to drive the fan 141 to rotate inside the branch pipe 150, and the fan 141 rotates to output the wind body, so that the inside of the branch pipe 150 is filled with the wind energy output by the fan 141, and the wind energy filled inside is transported to the inside of the multiple blow pipes 151 through the branch pipe 150, and the wind body is output through the multiple holes inside the blow pipe 151, so that the wind body blows to the bottom of the battery sheet to cool the battery sheet;
[0027] In summary, the working principle of this solution is as follows:
[0028] The battery cell is fixed between the multiple clamping assemblies 13 by adjusting the clamping assembly 13, wherein the clamping assembly 13 places the battery cell between the multiple clamping plates 131, and adjusts the distance between the two clamping plates 131 by adjusting the position of the clamping plate 131 on the outer wall of the support rod 130, so that the battery cell is clamped between the two clamping plates 131, and the position between the two clamping plates 131 is fixed by tightening the nut on the outer wall of the support rod 130, so as to facilitate the clamping and fixing of the battery cell, and the clamping assembly 13 is driven to rotate by the rotation of the flipping assembly 12, so as to adjust the direction of the battery cell fixed inside the clamping assembly 13 facing the sun, so as to facilitate the flipping of the battery cell, so that both sides of the battery cell absorb sunlight, wherein the flipping assembly 12 drives the rotating rod 120 to rotate inside the support plate 11 through the motor output shaft, and the bracket 121 is driven to rotate by the rotation of the rotating rod 120, and the bracket 121 drives the clamping component 13 and the battery cell clamped and fixed therein to flip over, thereby flipping the side of the battery cell facing the sun, absorbing light on both sides of the battery cell, and delivering cold air to the cooling component 15 through the wind component 14, wherein the wind component 14 drives the fan 141 to rotate inside the branch pipe 150 through the motor output shaft inside the support block 140, and the fan 141 rotates to output the wind body, so that the inside of the branch pipe 150 is filled with the wind energy output by the fan 141, and the cold air is blown to the bottom of the battery cell through the cooling component 15, thereby cooling the bottom of the battery cell to avoid long-term absorption of sunlight, which may easily make the battery cell hot, wherein the cooling component 15 delivers the wind energy filled inside to the multiple blow pipes 151 through the branch pipes 150, and outputs the wind body through the multiple holes inside the blow pipes 151, so that the wind body blows to the bottom of the battery cell to cool the battery cell.
[0029] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.
Claims
1. A double-sided alkali texturing device for solar cell sheets, comprising a base (1), characterized in that: Two support plates (11) are fixedly connected to the top of the base (1); the two support plates (11) are symmetrically and movably connected to the inside of the two support plates (11); the flipping components (12) pass through the inside of the support plates (11) and are movably connected to two clamping components (13); and battery cells are movably connected between the plurality of clamping components (13); Wind power components (14) are fixedly connected to the top of the base (1) near the four corners, and cooling components (15) are fixedly connected between the four wind power components (14). The cooling components (15) are located directly below the clamping components (13).
2. The double-sided alkali texturing device for solar cell sheets according to claim 1, characterized in that: The flip assembly (12) comprises a rotating rod (120), the rotating rod (120) being movably connected to the inside of the support plate (11) near the top, one end of the rotating rod (120) passing through the support plate (11) is fixedly connected to a bracket (121), the insides of grooves on both sides of the bracket (121) are movably connected to clamping assemblies (13), the other end of the rotating rod (120) passing through the support plate (11) is fixedly connected to the output shaft of the motor, and the flip assembly (12) is used to adjust the fixing direction of the clamping assembly (13).
3. The double-sided alkali texturing device for solar cell sheets according to claim 2, characterized in that: The clamping assembly (13) comprises a support rod (130), wherein two support rods (130) are respectively fixedly connected to the inside of grooves on both sides of the bracket (121), the outer wall of the support rod (130) is movably connected to a clamping plate (131), and the outer wall of the support rod (130) passing through the clamping plate (131) is movably connected to a nut, and the clamping assembly (13) is used to fix the battery cell.
4. The double-sided alkali texturing device for solar cell sheets according to claim 1, characterized in that: The wind power component (14) comprises a support block (140), four of the support blocks (140) are respectively fixedly connected to the four corners of the top of the base (1), the end of the motor output shaft inside the support block (140) is fixedly connected to a fan (141), a cooling component (15) is fixedly connected between the four support blocks (140), the fan (141) is located inside the cooling component (15), and the wind power component (14) is used to transport cold air to the inside of the cooling component (15).
5. The double-sided alkali texturing device for solar cell sheets according to claim 4, characterized in that: The cooling component (15) comprises a branch pipe (150), wherein two branch pipes (150) are respectively fixedly connected between two opposite support blocks (140), fans (141) are arranged inside the branch pipes (150) near both ends, a plurality of blow pipes (151) are fixedly connected between the two branch pipes (150), and a plurality of holes are arranged inside the blow pipes (151), and the cooling component (155) is used for cooling the bottom of the battery cell.