Solar cell two-dimensional rotation test bench
By designing a two-dimensional rotating test bench for solar cell cells with vertical and horizontal rotation functions, the problems of low detection efficiency and difficulty in sample surface adjustment in the prior art are solved, and more efficient and accurate detection is achieved.
Patent Information
- Application Number
- CN202422597966.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-28
- Publication Date
- 2025-06-20
- Estimated Expiration
- 2034-10-28
AI Technical Summary
The existing solar cell test bench can only rotate 180° in the vertical direction and cannot rotate in the horizontal direction, resulting in a decrease in detection efficiency and the horizontal plane of the sample cannot be adjusted, affecting the detection accuracy.
A two-dimensional rotating test bench for solar cell cells is designed, including a top plate that can be rotated in a vertical direction and a horizontally rotatable loading structure. The loading structure consists of two symmetric loading disks, which can be adjusted floatingly in the vertical direction to ensure that the detection sample plane remains flush.
The horizontal rotation function is added on the basis of vertical rotation, which improves detection efficiency, can effectively adjust the sample surface, keep it flush, and improves detection accuracy.
Smart Images
Figure CN223007542U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of solar cell detection, in particular to a two-dimensional rotation test bench for solar cells. Background Technique
[0002] During the photovoltaic test of bifacial solar cells, it is necessary to measure the current-voltage characteristics of the front and back sides of bifacial solar cells. When the solar simulator is fixed, the measurement can only be carried out by flipping the bifacial solar cell. When calibrating the irradiance meter, the standard irradiance meter and the irradiance meter to be calibrated need to be placed under the light spot of the solar simulator at the same time for a set of comparison measurements. When performing another set of measurements, the positions of the standard irradiance meter and the irradiance meter to be calibrated need to be interchanged or rotated 180°.
[0003] However, the existing solar cell test bench can only rotate 180° in the vertical direction and cannot rotate in the horizontal direction. When calibrating the irradiance meter, the positions of the standard irradiance meter and the irradiance meter to be calibrated are interchanged, resulting in a decrease in detection efficiency. Moreover, when calibrating the irradiance meter, two samples are placed together for measurement, and the surfaces of the two samples need to be on the same horizontal plane. The existing test bench cannot adjust the horizontal plane of the samples.
[0004] Therefore, a two-dimensional rotation test bench for solar cells is needed to improve the above problems. Content of the Utility Model
[0005] The purpose of the utility model is to provide a two-dimensional rotation test bench for solar cells to solve the problems raised in the above background technique.
[0006] To achieve the above purpose, the utility model provides the following technical solutions:
[0007] A two-dimensional rotation test bench for solar cells includes a test bench main body. The upper end of the test bench main body is provided with a top plate that can be rotationally adjusted in the vertical direction. A circular groove is opened in the middle of the top plate, and a loading structure that can rotate horizontally is arranged inside the circular groove. The loading structure includes two symmetrically arranged loading disks, and each loading disk can be floatingly adjusted in the vertical direction to keep the detection sample planes flush.
[0008] As a preferred scheme of the utility model, the loading structure further includes a connecting ring fixedly connected to the lower end of the circular groove, and an annular groove is opened inside the connecting ring. A slidable slider is arranged inside the annular groove, and one side of the slider is fixedly connected with an adjusting component, and the adjusting component is in mating connection with the loading disk.
[0009] As a preferred scheme of the utility model, the adjusting component includes a connecting piece fixedly connected to one side of the slider, and one end of the connecting piece penetrates and is threadedly connected with an adjusting rod.
[0010] As a preferred solution of the present utility model, the loading tray includes a semi-circular disk, the semi-circular disk is rotationally connected with the end of the adjusting rod in a matching manner, a loading area is formed between the inner sides of the two semi-circular disks, and a loading rod for installing solar cells is arranged inside the loading area.
[0011] As a preferred solution of the present utility model, the main body of the test bench includes a set of symmetrically arranged side frames, the lower ends of the two side frames are fixedly connected with a bottom plate through bolts, and cushion rings are installed around the lower end of the bottom plate.
[0012] As a preferred solution of the present utility model, both sides of the top plate are fixedly connected with connecting rods. The middle of one connecting rod is fixedly connected with a connecting shaft, the connecting shaft penetrates through one side frame, the middle of the other connecting rod is fixedly connected with a shaft body, the shaft body penetrates through the side frame and is fixedly connected with a rotary knob, and positioning pins are arranged on both sides of the rotary knob. The positioning pins penetrate through the side frame and are inserted into the connecting rod in a matching manner to position the top plate.
[0013] As a preferred solution of the present utility model, a plurality of mounting holes are formed on the upper surface of the top plate, and a plurality of test pieces are installed through the mounting holes.
[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0015] Compared with the prior art, the present utility model adds a horizontal rotation function on the basis of vertical rotation, meets the requirement of the standard irradiance meter and the irradiance meter to be calibrated to interchange positions, improves the detection efficiency of the battery cells, and at the same time, through the set floating adjustment component, the surfaces of different test samples can be adjusted to be flush. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 is the first perspective three-dimensional view of the present utility model;
[0017] Figure 2 is the second perspective three-dimensional view of the present utility model;
[0018] Figure 3 is the sectional view of the present utility model;
[0019] Figure 4 is the present utility model Figure 3 the enlarged view of part A in.
[0020] In the figure: bottom plate 1, side frame 2, connecting rod 3, top plate 4, circular groove 5, positioning pin 6, rotary knob 7, loading area 8, semi-circular disk 9, connecting ring 10, loading rod 11, adjusting rod 12, connecting piece 13, annular groove 14, slider 15. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0021] The following will describe the technical solutions in the embodiments of the present utility model in a clear and complete manner in combination with the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0022] To facilitate the understanding of the present utility model, the following will provide a more comprehensive description of the present utility model with reference to the relevant content. Several embodiments of the present utility model are given. However, the present utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present utility model more thorough and comprehensive.
[0023] It should be noted that when an element is referred to as being "fixedly provided on" another element, it can be directly on the other element or there may also be an intermediate element. When an element is considered to be "connected" to another element, it can be directly connected to the other element or there may be an intermediate element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are only for the purpose of illustration.
[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the technical field to which the present utility model belongs. The terms used herein in the specification of the present utility model are only for the purpose of describing specific embodiments and are not intended to limit the present utility model. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.
[0025] Please refer to Figures 1-4 , the present utility model provides a technical solution:
[0026] For the embodiment, please refer to Figure 1 , 2 3, and 4, a two-dimensional rotation test bench for solar cell wafers, including a test bench main body. The upper end of the test bench main body is provided with a top plate 4 that can be rotated and adjusted in the vertical direction. A plurality of mounting holes are opened on the upper surface of the top plate 4, and a plurality of test pieces are installed through the mounting holes. The test bench main body includes a set of symmetrically arranged side frames 2. The lower ends of the two side frames 2 are fixedly connected to a bottom plate 1 by bolts, and cushion rings are installed around the lower end of the bottom plate 1. A circular groove 5 is opened in the middle of the top plate 4, and a loading structure that can rotate horizontally is arranged inside the circular groove 5. The loading structure includes two symmetrically arranged loading disks, and each loading disk can be adjusted in the vertical direction to keep the plane of the test sample flush.
[0027] During detection, the sample is loaded through the loading structure. During the detection process, the top plate 4 can rotate 360° in the vertical direction to meet the need for side detection of different solar cells. At the same time, the loading structure is set to be horizontally rotatable. During use, the detection sample can be directly rotated, and the rotation angle is 360°, changing the positions of the standard irradiance meter and the irradiance to be calibrated. The loading structure includes two loading disks, and the two loading disks can respectively load the detection samples. At the same time, the loading disks are in a floating adjustment mode. When detecting the sample, the surface of the sample is adjusted to be flush.
[0028] Please refer to Figure 1 、 2 、 3 and 4, the loading structure further includes a connecting ring 10 fixedly connected to the lower end of the circular groove 5, and an annular groove 14 is formed inside the connecting ring 10. A slidable slider 15 is arranged inside the annular groove 14. One side of the slider 15 is fixedly connected with an adjusting component, and the adjusting component is in butt joint with the loading disk. The adjusting component includes a connecting piece 13 fixedly connected to one side of the slider 15, and one end of the connecting piece 13 penetrates and is threadedly connected with an adjusting rod 12.
[0029] The loading disk is butted with the adjusting rod, and the height of the loading disk is adjusted through the adjusting rod 12. At the same time, the loading disk rotates horizontally through the connecting piece 13 and the slider 15 to meet the requirements of floating adjustment and horizontal rotation adjustment.
[0030] Please refer to Figure 1 、 2 、 3 and 4, the loading disk includes a semi-circular disk 9, and the semi-circular disk 9 is rotatably connected with the end of the adjusting rod 12 in a matching manner. A loading area 8 is formed between the inner sides of the two semi-circular disks 9, and a loading rod 11 for installing solar cells is arranged inside the loading area 8.
[0031] The solar cell is fixedly installed through the loading rod 11. The semi-circular disk 9 can rotate horizontally, and the loading area 8 is used to place the solar cell.
[0032] Connecting rods 3 are fixedly connected to both sides of the top plate 4. A connecting shaft is fixedly connected to the middle of one side connecting rod 3. The connecting shaft penetrates through one side frame 2. A shaft body is fixedly connected to the middle of the other side connecting rod 3. The shaft body penetrates through the side frame 2 and is fixedly connected with a rotary knob 7. Positioning pins 6 are arranged on both sides of the rotary knob 7. The positioning pins 6 penetrate through the side frame 2 and are in plug-in connection with the connecting rod 3 to position the top plate 4.
[0033] During adjustment, the positioning pin 6 is removed, and the rotary knob 7 drives the connecting rod 3 and the top plate 4 on one side to rotate vertically as a whole for surface-changing detection. After the rotation is completed, the connecting rod 3 on one side is positioned through the positioning pin 6, and then the positioning and fixing of the top plate 4 are realized.
[0034] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.
Claims
1. A two-dimensional rotation test bench for solar cells, comprising a test bench body, the upper end of which is provided with a top plate (4) that can be rotated and adjusted in a vertical direction, characterized in that: A circular groove (5) is provided in the middle of the top plate (4), and a horizontally rotatable loading structure is provided inside the circular groove (5). The loading structure comprises two symmetrically arranged loading trays, and each of the loading trays can be floated and adjusted in the vertical direction so that the plane of the test sample remains flush.
2. The two-dimensional rotation test bench for solar cells according to claim 1, characterized in that: The loading structure further comprises a connecting ring (10) fixedly connected to the lower end of the circular groove (5), and an annular groove (14) is provided inside the connecting ring (10), a slidable slider (15) is provided inside the annular groove (14), an adjustment component is fixedly connected to one side of the slider (15), and the adjustment component cooperates with the loading plate to dock.
3. The two-dimensional rotation test bench for solar cells according to claim 2, characterized in that: The adjustment assembly comprises a connecting piece (13) fixedly connected to one side of the slider (15), and one end of the connecting piece (13) passes through a threaded connection with the adjustment rod (12).
4. The two-dimensional rotation test bench for solar cells according to claim 3, characterized in that: The loading plate comprises a semi-circular plate (9), the semi-circular plate (9) being rotatably connected with the end of an adjusting rod (12), a loading area (8) being formed between the inner sides of the two semi-circular plates (9), and a loading rod (11) for mounting a solar cell is arranged inside the loading area (8).
5. The two-dimensional rotation test bench for solar cells according to any one of claims 1 to 4, characterized in that: The test bench body comprises a group of symmetrically arranged side frames (2), the lower ends of the side frames (2) on both sides are fixedly connected to a base plate (1) by bolts, and gaskets are installed around the lower end of the base plate (1).
6. The two-dimensional rotation test bench for solar cells according to claim 5, characterized in that: Both sides of the top plate (4) are fixedly connected with connecting rods (3), the middle part of the connecting rod (3) on one side is fixedly connected with a connecting shaft, the connecting shaft passes through the side frame (2) on one side, and the middle part of the connecting rod (3) on the other side is fixedly connected with a shaft body, the shaft body passes through the side frame (2) and is fixedly connected with a rotating knob (7), and positioning pins (6) are provided on both sides of the rotating knob (7), the positioning pins (6) pass through the side frame (2) and cooperate with the connecting rod (3) to position the top plate (4).
7. The two-dimensional rotation test bench for solar cells according to claim 6, characterized in that: The upper surface of the top plate (4) is provided with a plurality of mounting holes, through which a plurality of test pieces are mounted.