Welding tension testing device suitable for solar cell

Abstract

The utility model discloses a welding tension testing device suitable for a solar cell, which comprises a working table, the solar cell is placed on the top surface of the working table, a welding strip is arranged on the surface of the solar cell, and a pressing plate moves downwards to press and fix the solar cell through the arrangement of a fixing assembly. According to the solar cell tension testing device, the situation that a solar cell deviates during tension testing is avoided, a clamping plate moves through the arrangement of a mounting assembly, a tension dynamometer is clamped and fixed, the tension dynamometer is prevented from falling off during tension testing, and the output end of a second motor rotates to drive a gear to rotate through the arrangement of a driving assembly; the gear is meshed with the rack, and along with the rotation of the gear, the sliding block slides along the fixed rod, so that the fixed seat is driven to move, the position of the tension dynamometer can be adjusted, and welding tension tests can be conveniently carried out on welding strips at different positions on the solar cell.

Description

Technical Field

[0001] The utility model relates to the technical field of solar cell wafers, in particular to a welding tensile force testing device suitable for solar cell wafers. Background Art

[0002] In the preparation process of existing solar cell wafers, solder tapes are usually formed on the surface of solar cell wafers by welding to connect the positive and negative electrodes of the solar cell wafers. Among them, the welding quality of solar cell wafers is quite related to the power of solar cell modules, and the quality of welding is mainly manifested by welding tensile force. Therefore, in order to ensure the product quality of solar cell wafers, it is necessary to conduct welding tensile force testing on solar cell wafers.

[0003] After retrieval, the application number is CN201220416541.9, and a welding tensile force testing device for solar cell wafers is proposed. This patent overcomes the problem that the existing welding tensile force testing device for battery wafers has inconvenient and inaccurate adjustment of the tensile force angle. However, in this patent, the tensile force measuring instrument can only move away from the solar cell wafer and cannot adjust the position of the tensile force measuring instrument left and right, making it inconvenient to conduct welding tensile force testing on other solder tapes on the solar cell wafer. Therefore, a welding tensile force testing device suitable for solar cell wafers is proposed. Summary of the Utility Model

[0004] Aiming at the deficiencies of the prior art, the utility model provides a welding tensile force testing device suitable for solar cell wafers, which solves the problems in the above background art.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A welding tensile force testing device suitable for solar cell wafers includes a workbench, on the top surface of which a solar cell wafer is placed. Solder tapes are arranged on the surface of the solar cell wafer. A fixing component is arranged on the top surface of the workbench, and a moving component is arranged inside the workbench. The output end of the moving component is fixedly installed with a mounting frame. A fixing rod is fixedly installed inside the mounting frame. A slider is slidably installed on the surface of the fixing rod. A driving component is arranged on the bottom surface of the slider. A fixing seat is fixedly installed on the top surface of the slider. A mounting component is arranged on the surface of the fixing seat, and a tensile force measuring instrument is arranged on the top surface of the fixing seat.

[0007] Preferably, the fixing component includes a first threaded rod rotatably installed on the top surface of the workbench. A first knob is fixedly installed at the top end of the first threaded rod. A pressing plate is threadedly installed on the surface of the first threaded rod. A solder tape groove is formed on the surface of the pressing plate.

[0008] Preferably, a limiting block is fixedly installed on the surface of the pressing plate, and a limiting rod is fixedly installed on the top surface of the workbench.

[0009] Preferably, the moving assembly includes a first motor fixedly installed on the right side of the workbench. The output end of the first motor is fixedly installed with a lead screw, and a threaded block is threadedly installed on the surface of the lead screw.

[0010] Preferably, the driving assembly includes a connecting plate fixedly installed on the bottom surface of the slider. A second motor is fixedly installed on the surface of the connecting plate. The output end of the second motor is fixedly installed with a gear. A rack is fixedly installed on the surface of the mounting frame, and the gear is slidably connected to the rack.

[0011] Preferably, the mounting assembly includes a second threaded rod threadedly installed inside the fixed seat. One end of the second threaded rod is fixedly installed with a second knob, and the other end of the second threaded rod is rotatably installed with a clamping plate.

[0012] Preferably, the bottom surface of the workbench is fixedly installed with support legs, and the bottom surface of the support legs is fixedly installed with anti-slip pads.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows: For the welding tensile test device applicable to solar cell wafers, through the setting of the fixing assembly, the pressing plate moves downward to tightly fix the solar cell wafer, avoiding the situation of the solar cell wafer shifting during the tensile test. Through the setting of the mounting assembly, the clamping plate moves to clamp and fix the tensile force gauge, preventing the tensile force gauge from falling during the tensile test. Through the setting of the driving assembly, the output end of the second motor rotates to drive the gear to rotate, and the gear meshes with the rack. As the gear rotates, the slider slides along the fixed rod, thereby driving the fixed seat to move, and the position of the tensile force gauge can be adjusted, facilitating the welding tensile test of the solder tapes at different positions on the solar cell wafer. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a schematic isometric view of the present utility model;

[0015] Figure 2 is a schematic cross-sectional view of the first of the present utility model;

[0016] Figure 3 is a schematic view of the solar cell panel of the present utility model;

[0017] Figure 4 is a schematic cross-sectional view of the second of the present utility model;

[0018] Figure 5 is a schematic view of the mounting assembly of the present utility model.

[0019] In the figure: 1, workbench; 2, solar cell; 3, solder strip; 4, support leg; 5, first threaded rod; 6, first knob; 7, pressing plate; 8, solder strip groove; 9, limit block; 10, limit rod; 11, first motor; 12, lead screw; 13, threaded block; 14, mounting bracket; 15, fixed rod; 16, slider; 17, connecting plate; 18, second motor; 19, gear; 20, rack; 21, fixed seat; 22, second threaded rod; 23, second knob; 24, clamping plate; 25, tensile force gauge. Specific implementation mode

[0020] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0021] Embodiment: Refer to Figures 1-5 , the present invention provides a technical solution, a welding tensile force test device suitable for solar cells, including a workbench 1. A solar cell 2 is placed on the top surface of the workbench 1. A solder strip 3 is arranged on the surface of the solar cell 2. A moving component is arranged inside the workbench 1. The moving component includes a first motor 11 fixedly installed on the right side of the workbench 1. The output end of the first motor 11 is fixedly installed with a lead screw 12. A threaded block 13 is threadedly installed on the surface of the lead screw 12. Through the setting of the moving component, the output end of the first motor 11 rotates, driving the lead screw 12 to rotate, causing the threaded block 13 to move, and then driving the mounting bracket 14 to move, so that the fixed seat 21 moves, thereby causing the tensile force gauge 25 fixed on the fixed seat 21 to move away from the solar cell 2. As the tensile force gauge 25 moves, the tensile force it exerts on the solder strip 3 gradually increases. When the solder strip 3 detaches from the surface of the solar cell 2, record the value of the tensile force gauge 25 at this moment. The output end of the moving component is fixedly installed with a mounting bracket 14. A fixed rod 15 is fixedly installed inside the mounting bracket 14. A slider 16 is slidably installed on the surface of the fixed rod 15. The top surface of the slider 16 is fixedly installed with a fixed seat 21. A tensile force gauge 25 is arranged on the top surface of the fixed seat 21. Support legs 4 are fixedly installed on the bottom surface of the workbench 1, and an anti-slip pad is fixedly installed on the bottom surface of the support legs 4. Through the setting of the anti-slip pad, the friction between the support legs 4 and the bottom surface is increased, making the device more stable during use.

[0022] In order to prevent the solar cell 2 from shifting during the tensile force test of the solder strip 3, it is necessary to fix the solar cell 2, such as Figure 1 , Figure 2As shown in the figure, a fixing component is arranged on the top surface of the workbench 1. The fixing component includes a first threaded rod 5 rotatably installed on the top surface of the workbench 1. A first knob 6 is fixedly installed at the top end of the first threaded rod 5. A pressing plate 7 is threadedly installed on the surface of the first threaded rod 5. A solder strip groove 8 is formed on the surface of the pressing plate 7. A limiting block 9 is fixedly installed on the surface of the pressing plate 7. A limiting rod 10 is fixedly installed on the top surface of the workbench 1. Through the setting of the fixing component, the solar cell 2 is placed on the workbench 1, so that the solder strip 3 is located below the solder strip groove 8. Rotate the first knob 6 to drive the first threaded rod 5 to rotate, so that the pressing plate 7 moves downward, and then the solar cell 2 can be tightly fixed. Through the setting of the limiting block 9 and the limiting rod 10, the pressing plate 7 can be limited to facilitate the up and down movement of the pressing plate 7.

[0023] When it is necessary to test the solder strip 3 at other positions of the solar cell 2, the position of the tensile force meter 25 needs to be adjusted. As Figure 4 shown in the figure, a driving component is arranged on the bottom surface of the slider 16. The driving component includes a connecting plate 17 fixedly installed on the bottom surface of the slider 16. A second motor 18 is fixedly installed on the surface of the connecting plate 17. The output end of the second motor 18 is fixedly installed with a gear 19. A rack 20 is fixedly installed on the surface of the mounting frame 14, and the gear 19 and the rack 20 are slidably connected. Through the setting of the driving component, the output end of the second motor 18 rotates to drive the gear 19 to rotate. Since the gear 19 meshes with the rack 20, as the gear 19 rotates, the slider 16 slides along the fixed rod 15, and then drives the fixed seat 21 to move, so as to adjust the position of the tensile force meter 25, which is convenient for performing welding tensile tests on the solder strips 3 at different positions on the solar cell 2.

[0024] As Figure 5 shown in the figure, a mounting component is arranged on the surface of the fixed seat 21. The mounting component includes a second threaded rod 22 threadedly installed inside the fixed seat 21. A second knob 23 is fixedly installed at one end of the second threaded rod 22. The other end of the second threaded rod 22 is rotatably installed with a clamping plate 24. Through the setting of the mounting component, rotate the second knob 23 to drive the second threaded rod 22 to rotate, so that the clamping plate 24 moves, and the two clamping plates 24 approach each other to clamp and fix the tensile force meter 25, which can prevent the tensile force meter 25 from falling during the tensile test, and at the same time is convenient for installing and disassembling the tensile force meter 25.

[0025] During use: Place the solar cell 2 on the workbench 1 so that the solder tape 3 is located below the solder tape groove 8. Rotate the first knob 6 to drive the rotation of the first threaded rod 5, causing the pressing plate 7 to move downward to firmly fix the solar cell 2. Place the tensile force gauge 25 on the fixed seat 21, rotate the second knob 23 to drive the rotation of the second threaded rod 22, causing the clamping plate 24 to move to clamp and fix the tensile force gauge 25. Connect the tensile hook of the tensile force gauge 25 to the solder tape 3 through a thin string. Start the first motor 11. Through the rotation of the output end of the first motor 11, drive the rotation of the lead screw 12, causing the threaded block 13 to move, and then drive the mounting bracket 14 to move, causing the fixed seat 21 to move, so that the tensile force gauge 25 fixed on the fixed seat 21 moves away from the solar cell 2. As the tensile force gauge 25 moves, the tensile force it exerts on the solder tape 3 gradually increases. When the solder tape 3 detaches from the surface of the solar cell 2, record the value of the tensile force gauge 25 at this moment. Start the second motor 18. Through the rotation of the output end of the second motor 18, drive the rotation of the gear 19, and the gear 19 meshes with the rack 20. As the gear 19 rotates, the slider 16 slides along the fixed rod 15, and then drives the fixed seat 21 to move, so as to adjust the position of the tensile force gauge 25, facilitating the welding tensile test of the solder tapes 3 at different positions on the solar cell 2.

[0026] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or elements inherent to such process, method, article or device.

[0027] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A welding tensile test device suitable for solar cell sheets, comprising a workbench (1), characterized in that: A solar cell (2) is placed on the top surface of the workbench (1), a welding strip (3) is arranged on the surface of the solar cell (2), a fixed component is arranged on the top surface of the workbench (1), a moving component is arranged inside the workbench (1), a mounting frame (14) is fixedly installed on the output end of the moving component, a fixing rod (15) is fixedly installed inside the mounting frame (14), a slider (16) is slidably installed on the surface of the fixing rod (15), a driving component is arranged on the bottom surface of the slider (16), a fixing seat (21) is fixedly installed on the top surface of the slider (16), a mounting component is arranged on the surface of the fixing seat (21), and a tension dynamometer (25) is arranged on the top surface of the fixing seat (21).

2. A welding tensile testing device suitable for solar cell panels according to claim 1, characterized in that: The fixing assembly comprises a first threaded rod (5) rotatably mounted on the top surface of the workbench (1), a first knob (6) being fixedly mounted on the top end of the first threaded rod (5), a pressure plate (7) being threadably mounted on the surface of the first threaded rod (5), and a welding strip groove (8) being provided on the surface of the pressure plate (7).

3. A welding tensile testing device suitable for solar cell according to claim 2, characterized in that: A limiting block (9) is fixedly mounted on the surface of the pressing plate (7), and a limiting rod (10) is fixedly mounted on the top surface of the workbench (1).

4. A welding tensile testing device suitable for solar cell sheets according to claim 1, characterized in that: The moving assembly comprises a first motor (11) fixedly mounted on the right side of the workbench (1), a screw rod (12) fixedly mounted on the output end of the first motor (11), and a threaded block (13) threadedly mounted on the surface of the screw rod (12).

5. A welding tensile testing device suitable for solar cell according to claim 1, characterized in that: The driving assembly comprises a connecting plate (17) fixedly mounted on the bottom surface of the slider (16); a second motor (18) is fixedly mounted on the surface of the connecting plate (17); a gear (19) is fixedly mounted on the output end of the second motor (18); a rack (20) is fixedly mounted on the surface of the mounting frame (14); and the gear (19) and the rack (20) are slidably connected.

6. A welding tensile testing device suitable for solar cell sheets according to claim 1, characterized in that: The mounting assembly comprises a second threaded rod (22) threadedly mounted inside a fixing seat (21), a second knob (23) being fixedly mounted on one end of the second threaded rod (22), and a clamping plate (24) being rotatably mounted on the other end of the second threaded rod (22).

7. A welding tensile testing device suitable for solar cell sheets according to claim 1, characterized in that: The bottom surface of the workbench (1) is fixedly mounted with a support leg (4), and the bottom surface of the support leg (4) is fixedly mounted with an anti-slip pad.

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