Photovoltaic cell bending strength detection device
By designing a photovoltaic cell bending intensity detection device including a clamping device and a fixing device, the problem that traditional devices are difficult to adapt to photovoltaic cells of different sizes and thicknesses is solved, and the accuracy of detection results and the effective collection of unqualified photovoltaic cell fragments are achieved.
Patent Information
- Application Number
- CN202421012367.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-11
- Publication Date
- 2025-02-28
- Estimated Expiration
- 2034-05-11
AI Technical Summary
Traditional photovoltaic cell bending intensity detection devices are difficult to adapt to photovoltaic cells of different sizes and thicknesses, resulting in inaccurate detection results and difficult to effectively collect unqualified photovoltaic cell fragments.
A photovoltaic cell bending intensity detection device including a base, a detection table, a clamping device and a fixing device is designed. The clamping device can clamp and fix photovoltaic cells of different sizes and thicknesses through components such as bidirectional screws, sliders, connecting frames, U-frames, gears and motors. At the same time, the inspection Taichung has an inclined drop groove and collection box to facilitate the collection of unqualified photovoltaic cell debris.
The device can accurately fix photovoltaic cells of different sizes and thicknesses, ensure the accuracy of detection results, and through the design of tilted drop grooves and collection boxes, it is convenient to centrally collect and handle unqualified photovoltaic cell fragments, improving the flexibility and application range of the equipment.
Smart Images
Figure CN222545162U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of photovoltaic cell bending strength detection equipment, in particular to a photovoltaic cell bending strength detection device. Background Art
[0002] As we all know, solar photovoltaic cells (PV cells for short) are used to convert sunlight directly into electrical energy. Currently, ground photovoltaic systems use a large number of silicon solar cells based on silicon, which can be divided into single crystal silicon, polycrystalline silicon, and amorphous silicon solar cells. With the development of science and technology and market demand, in order to reduce the manufacturing cost of PV cells, PV cells are made thinner and thinner, and even in order to improve cell efficiency, the back electric field of the cell is passivated and grooved. In order to increase the power of PV modules, PV module manufacturers have gradually introduced new PV module products such as half-cell PV modules and shingled PV modules, and related technologies are becoming more mature.
[0003] Traditional photovoltaic cell bending strength testing devices can only fix photovoltaic cells of specific specifications and are not suitable for photovoltaic cells of different sizes and thicknesses. During the testing process, the photovoltaic cells may shift or fall, resulting in inaccurate test results. Its application range will be limited, reducing the flexibility of the equipment, and broken and unqualified photovoltaic cells will be difficult to collect. Utility Model Content
[0004] 1. Technical issues to be resolved
[0005] In view of the deficiencies in the prior art, the utility model provides a photovoltaic cell bending strength detection device.
[0006] (II) Technical solution
[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a photovoltaic cell bending strength detection device, comprising a base, a detection platform, a clamping device and a fixing device, the detection platform is fixedly installed on the top of the base, an L-shaped frame is installed on the back side of the top of the detection platform, a cylinder is installed on the L-shaped frame, a down-pressing rod is installed on the output end of the cylinder, two groups of support frames are symmetrically installed just below the down-pressing rod, rollers are installed on the top of the two groups of support frames, the clamping device comprises a bidirectional screw, a slider, a connecting frame, a U-shaped frame, an active bevel gear, a driven bevel gear and a first motor, Rectangular grooves are provided on both the front and rear sides of the detection platform, and the bidirectional screw is rotatably installed in the rectangular groove. The sliders are installed at both the left and right ends of the bidirectional screw, and the connecting frame is installed on the side of the slider away from the rectangular groove. The U-shaped frame is rotatably installed between every two groups of corresponding connecting frames, and the fixing device is installed in the U-shaped frame. One end of the bidirectional screw passes through the side wall of the detection platform and is installed with a driven bevel gear, and one side of the driven bevel gear is meshed and connected with an active bevel gear, and the first motor output end connection is installed between the two groups of active bevel gears.
[0008] In order to facilitate the clamping and fixing of photovoltaic cells of different thicknesses, the utility model is improved in that the fixing device includes a threaded rod, a moving block, a pressure plate, a driving gear, a driven gear, a toothed belt and a second motor; a groove body is provided on the left and right side walls of the U-shaped frame, the threaded rod is rotatably installed in the groove body, the moving block is installed on the threaded rod through a bearing thread, the pressure plate is installed at one end of the moving block away from the groove body, the bottom ends of the two groups of threaded rods pass through the bottom wall of the U-shaped frame and are respectively installed with the driving gear and the driven gear, the driving gear and the driven gear are meshed and connected through the toothed belt, and the bottom end of the driving gear is sleeved with the second motor.
[0009] In order to guide the movement of the pressure plate, the utility model is improved in that a guide groove is opened on the middle side wall of the U-shaped frame, a guide rod is installed in the guide groove, a guide block is slidably installed on the guide rod, and the guide block is fixedly connected to the side wall of the pressure plate.
[0010] In order to ensure the stability of the operation of the second motor, the utility model is improved in that a support seat is installed on the bottom wall of the U-shaped frame, and the support seat is connected to the side wall of the second motor.
[0011] In order to facilitate the collection of unqualified photovoltaic cells, the utility model is improved in that an inclined drop groove is opened in the middle of the testing platform, the drop groove extends from the base and passes through the base, and a collection box is movably installed on the bottom wall of the base.
[0012] In order to facilitate the movement of the collection box, the utility model is improved in that universal wheels are installed at the four corners of the bottom wall of the collection box.
[0013] In order to facilitate the movement with the universal wheels, the utility model is improved in that a push handle is installed on one side wall of the collection box.
[0014] In order to facilitate the fixing of the universal wheel, the utility model is improved in that a brake assembly is installed on the universal wheel.
[0015] (III) Beneficial effects
[0016] Compared with the prior art, the utility model provides a photovoltaic cell bending strength detection device, which has the following beneficial effects:
[0017] The photovoltaic cell bending strength testing device, through the provision of a clamping device and a fixing device, can accurately fix photovoltaic cells of different sizes and thicknesses in cooperation with the clamping device to ensure that the cells will not fall or shift during the testing process, thereby enabling more accurate test results and being adaptable to photovoltaic cells of different sizes and thicknesses, which means that it can be used to test photovoltaic cells of more types and specifications, thereby expanding the application range of the device.
[0018] The photovoltaic cell bending strength testing device has a drop chute and a collection box. The inclined drop chute is convenient for collecting fragments of photovoltaic cells that have not passed the test. The collection box is convenient for collecting the photovoltaic cells in the drop chute, avoiding the fragments from being scattered everywhere, and facilitating centralized collection and unified processing at a later time. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0020] Figure 2 For the utility model Figure 1 A schematic diagram of the structure at the local A of the enlarged part;
[0021] Figure 3 It is a schematic diagram of the three-dimensional structure of the clamping device and the fixing device of the utility model;
[0022] Figure 4 It is a schematic diagram of the three-dimensional structure of the collection box of the utility model.
[0023] In the figure: 1. base; 2. test table; 3. L-shaped frame; 4. cylinder; 5. lower pressure rod; 6. support frame; 7. roller; 8. bidirectional screw; 9. slider; 10. connecting frame; 11. U-shaped frame; 12. active bevel gear; 13. driven bevel gear; 14. first motor; 15. rectangular groove; 16. threaded rod; 17. moving block; 18. pressure plate; 19. active gear; 20. driven gear; 21. toothed belt; 22. second motor; 23. groove body; 24. guide groove; 25. guide rod; 26. guide block; 27. support seat; 28. drop groove; 29. collection box; 30. universal wheel; 31. push handle; 32. brake assembly. DETAILED DESCRIPTION
[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0025] See also Figure 1-4A photovoltaic cell bending strength testing device comprises a base 1, a testing platform 2, a clamping device and a fixing device, wherein the testing platform 2 is fixedly installed on the top of the base 1, an L-shaped frame 3 is installed on the back side of the top of the testing platform 2, a cylinder 4 is installed on the L-shaped frame 3, a pressing rod 5 is installed on the output end of the cylinder 4, two groups of support frames 6 are symmetrically installed directly below the pressing rod 5, and rollers 7 are installed on the tops of the two groups of support frames 6, the clamping device comprises a bidirectional screw 8, a slider 9, a connecting frame 10, a U-shaped frame 1 1, a driving bevel gear 12, a driven bevel gear 13 and a first motor 14, a rectangular groove 15 is provided on both the front and rear sides of the detection platform 2, the bidirectional screw 8 is rotatably installed in the rectangular groove 15, the sliders 9 are installed on both the left and right ends of the bidirectional screw 8, the connecting frame 10 is installed on the side of the slider 9 away from the rectangular groove 15, the U-shaped frame 11 is rotatably installed between each two corresponding groups of the connecting frames 10, the fixing device is installed in the U-shaped frame 11, the bidirectional screw 8 One end of the driven bevel gear 13 is installed on the side wall of the added detection platform 2, and one side of the driven bevel gear 13 is meshed and connected with the active bevel gear 12. The output end of the first motor 14 is installed between the two sets of active bevel gears 12. In this embodiment, when in use, the photovoltaic cell is first placed on the top of the drum 7, and the first motor 14 is started. The output end of the first motor 14 drives the active bevel gear 12, the active bevel gear 12 drives the driven bevel gear 13, and the driven bevel gear 13 drives two sets of bidirectional screws. 8 rotates, and the two sets of bidirectional screws 8 respectively drive the two sets of sliders 9 to move linearly in the rectangular groove 15, and the sliders 9 drive the connecting frame 10, and the connecting frame 10 drives the two sets of U-shaped frames 11 to move closer to each other, clamping the left and right ends of the photovoltaic cell, and then start the cylinder 4, so that the output end of the cylinder 4 drives the pressing rod 5 to move downward, and controls the pressing rod 5 to drop to a specified distance, and the U-shaped frame 11 can bend upward following the degree of bending of the photovoltaic cell. When the photovoltaic cell is not broken or damaged, it passes the bending strength test.
[0026] In actual use, it is further convenient to clamp and fix photovoltaic cells of different thicknesses. In this embodiment, the fixing device includes a threaded rod 16, a moving block 17, a pressure plate 18, a driving gear 19, a driven gear 20, a toothed belt 21 and a second motor 22. The left and right side walls of the U-shaped frame 11 are provided with a groove body 23, and the threaded rod 16 is rotatably installed in the groove body 23. The moving block 17 is installed on the threaded rod 16 through a bearing thread, and the pressure plate 18 is installed at one end of the moving block 17 away from the groove body 23. The bottom ends of the two groups of threaded rods 16 pass through the bottom wall of the U-shaped frame 11 and are respectively installed with the driving gear 19 and the driven gear 20. The driving gear 19 The driven gear 20 is meshed and connected through the toothed belt 21. The bottom end of the driving gear 19 is sleeved with the second motor 22. When the photovoltaic cell is placed in the U-shaped frame 11, the two sets of second motors 22 are started, and the output end of the second motor 22 drives the driving gear 19 to rotate. The driving gear 19 drives the driven gear 20 to rotate through the toothed belt 21. When the driving gear 19 and the driven gear 20 rotate, they simultaneously drive the two sets of threaded rods 16 to rotate simultaneously. During the rotation process, the two sets of threaded rods 16 drive the moving block 17 to move linearly in the groove body 23. The moving block 17 drives the pressing plate 18 to move from top to bottom until it contacts the top wall of the photovoltaic cell, so that the photovoltaic cell is fixed in the U-shaped frame 11 to prevent it from falling off.
[0027] In actual use, the movement of the pressure plate 18 is further guided. In this embodiment, a guide groove 24 is provided on the middle side wall of the U-shaped frame 11, and a guide rod 25 is installed in the guide groove 24. A guide block 26 is slidably installed on the guide rod 25. The guide block 26 is fixedly connected to the side wall of the pressure plate 18. During the movement of the pressure plate 18, the guide block 26 drives the guide block 26 to slide on the guide rod 25, thereby guiding the movement of the pressure plate 18.
[0028] In actual use, in order to further ensure the stability of the operation of the second motor 22, in this embodiment, a support seat 27 is installed on the bottom wall of the U-shaped frame 11, and the support seat 27 is connected to the side wall of the second motor 22, and the support seat 27 ensures the stability of the second motor 22.
[0029] In actual use, in order to further facilitate the collection of unqualified photovoltaic cells, in this embodiment, an inclined drop groove 28 is provided in the middle of the testing platform 2, and the drop groove 28 extends from the base 1 and penetrates the base 1. A collection box 29 is movably installed on the bottom wall of the base 1. Unqualified photovoltaic cells slide into the collection box 29 through the drop groove 28, and the fragments of the photovoltaic cells are collected, which is convenient for centralized processing at a later time.
[0030] In actual use, in order to further facilitate the movement of the collection box 29, in this embodiment, universal wheels 30 are installed at the four corners of the bottom wall of the collection box 29. The universal wheels 30 can drive the collection box 29 to move, so that the collection box 29 can be quickly replaced when it is full.
[0031] In actual use, in order to further facilitate the movement with the universal wheel 30, in this embodiment, a push handle 31 is installed on one side wall of the collection box 29. The push handle 31 facilitates the movement of the collection box 29 in cooperation with the universal wheel 30, so as to facilitate the collection of unqualified photovoltaic cells to be moved to the target position for the next step of processing.
[0032] In actual use, it is further convenient to fix the universal wheel 30. In this embodiment, a brake assembly 32 is installed on the universal wheel 30. The brake assembly 32 is convenient for fixing the universal wheel 30 at the target position to prevent the collection box 29 from shifting during the collection process.
[0033] In order to explain in detail the possible application scenarios, technical principles, specific schemes that can be implemented, and the purposes and effects that can be achieved, the following is a detailed description of the specific embodiments listed in conjunction with the accompanying drawings. The embodiments described herein are only used to more clearly illustrate the technical solutions of the present application, and are therefore only used as examples, and cannot be used to limit the scope of protection of the present application.
[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A photovoltaic cell bending strength testing device, comprising a base (1), a testing platform (2), a clamping device and a fixing device, characterized in that: The top of the base (1) is fixedly mounted with the detection platform (2), the back side of the top of the detection platform (2) is mounted with an L-shaped frame (3), a cylinder (4) is mounted on the L-shaped frame (3), the output end of the cylinder (4) is mounted with a push rod (5), two groups of support frames (6) are symmetrically mounted directly below the push rod (5), the tops of the two groups of support frames (6) are mounted with rollers (7), the clamping device comprises a bidirectional screw (8), a slider (9), a connecting frame (10), a U-shaped frame (11), an active bevel gear (12), a driven bevel gear (13) and a first motor (14), and rectangular grooves (15) are provided on both the front and rear sides of the detection platform (2), and the rectangular grooves ( The bidirectional screw (8) is rotatably mounted in the detection platform (2), the sliders (9) are mounted on both the left and right ends of the bidirectional screw (8), the connecting frame (10) is mounted on the side of the slider (9) away from the rectangular groove (15), the U-shaped frame (11) is rotatably mounted between each two corresponding groups of the connecting frames (10), the fixing device is mounted in the U-shaped frame (11), one end of the bidirectional screw (8) passes through the side wall of the detection platform (2) and is mounted with a driven bevel gear (13), one side of the driven bevel gear (13) is meshedly connected with the active bevel gear (12), and the output end of the first motor (14) is mounted between the two groups of the active bevel gears (12) for connection.
2. A photovoltaic cell bending strength detection device according to claim 1, characterized in that: The fixing device comprises a threaded rod (16), a moving block (17), a pressure plate (18), a driving gear (19), a driven gear (20), a toothed belt (21) and a second motor (22). The left and right side walls of the U-shaped frame (11) are provided with a groove body (23). The threaded rod (16) is rotatably mounted in the groove body (23). The moving block (17) is threadably mounted on the threaded rod (16) via a bearing thread. The pressure plate (18) is mounted on one end of the moving block (17) away from the groove body (23). The bottom ends of the two groups of threaded rods (16) penetrate the bottom wall of the U-shaped frame (11) and are respectively provided with the driving gear (19) and the driven gear (20). The driving gear (19) and the driven gear (20) are meshedly connected via the toothed belt (21). The bottom end of the driving gear (19) is sleeved with the second motor (22).
3. A photovoltaic cell bending strength detection device according to claim 2, characterized in that: A guide groove (24) is provided on the middle side wall of the U-shaped frame (11), a guide rod (25) is installed in the guide groove (24), a guide block (26) is slidably installed on the guide rod (25), and the guide block (26) is fixedly connected to the side wall of the pressure plate (18).
4. A photovoltaic cell bending strength testing device according to claim 3, characterized in that: A support seat (27) is installed on the bottom wall of the U-shaped frame (11), and the support seat (27) is connected to the side wall of the second motor (22).
5. A photovoltaic cell bending strength testing device according to claim 4, characterized in that: An inclined drop groove (28) is provided in the middle of the detection platform (2), the drop groove (28) extends from the base (1) and passes through the base (1), and a collection box (29) is movably mounted on the bottom wall of the base (1).
6. A photovoltaic cell bending strength testing device according to claim 5, characterized in that: Universal wheels (30) are installed at the four corners of the bottom wall of the collection box (29).
7. A photovoltaic cell bending strength testing device according to claim 6, characterized in that: A push handle (31) is installed on one side wall of the collection box (29).
8. A photovoltaic cell bending strength testing device according to claim 7, characterized in that: A brake assembly (32) is installed on the universal wheel (30).