Visual inspection mechanism for photovoltaic cells

Abstract

The invention discloses a visual inspection mechanism for photovoltaic cells, and belongs to the technical field of battery pack arrangement and packaging, the visual inspection mechanism comprises a base, a servo motor hollow rotating platform is arranged above the base, a material carrying table is arranged above the servo motor hollow rotating platform, and aligning assemblies are symmetrically arranged on the left side and the right side of the edge of the material carrying table; the front side and the rear side of the material carrying table are symmetrically provided with straight-edge visual detection assemblies, the two sides of the opposite angles of the material carrying table are symmetrically provided with right-angle visual detection assemblies, the straight-edge visual detection assemblies and the right-angle visual detection assemblies are both arranged on the base, and supporting columns are arranged below the base. By the adoption of the structure, a traditional manual appearance inspection process is replaced through transmission of the servo motor lead screw and cooperative use of the camera, the material taking efficiency and consistency are improved, and by arranging the correcting assembly, the device can adapt to photovoltaic cell pieces of different sizes.

Description

Technical Field

[0001] The present invention relates to the technical field of battery pack sorting and packaging, and in particular to a visual inspection mechanism for photovoltaic cells. Background Art

[0002] In the packaging of photovoltaic cells, quality inspection of photovoltaic cells during the packaging process is crucial. At present, the quality inspection process of photovoltaic cells during packaging is completed manually. There are problems such as the cells are easily damaged during manual inspection, some problems cannot be detected, and product quality cannot be controlled. In order to solve the above problems, a product that can improve the efficiency of cell inspection and ensure product quality is needed. It should be able to quickly and accurately detect defects in photovoltaic cells without damaging the cells, and avoid the mixing of bad photovoltaic cells. Summary of the invention

[0003] The purpose of the present invention is to provide a visual inspection mechanism for photovoltaic cells, which improves material collection efficiency and consistency, reduces personnel participation, and improves inspection efficiency through the coordinated use of a motion module and a camera.

[0004] To achieve the above-mentioned purpose, the present invention provides a visual inspection mechanism for photovoltaic cells, comprising a base, a servo motor hollow rotating platform is arranged above the base, a material carrier is arranged above the servo motor hollow rotating platform, regularization components are symmetrically arranged on the left and right sides of the edge of the material carrier, straight-edge visual inspection components are symmetrically arranged on the front and back sides of the material carrier, right-angle visual inspection components are symmetrically arranged on the diagonal sides of the material carrier, the straight-edge visual inspection components and the right-angle visual inspection components are both arranged on the base, and a pillar is arranged under the base.

[0005] Preferably, the servo motor hollow rotating platform comprises a fixing frame 1, a servo motor and a rotating platform, wherein the fixing frame 1 fixes the rotating platform above the base, and the servo motor is fixedly connected to the rotating platform.

[0006] Preferably, the regulating component includes a transverse telescopic cylinder, which is fixedly arranged under the material carrier, a connecting plate is arranged at the driving end of the transverse telescopic cylinder, a lifting cylinder is arranged under one side of the connecting plate, a stop block is arranged at the driving end of the lifting cylinder, and the stop block is arranged on the outside of the edge of the material carrier.

[0007] Preferably, the straight edge visual detection component includes a visual detection module 1, a front-rear motion module 1 and a left-right motion module, the visual detection module 1 is arranged above the front-rear motion module 1, and the left-right motion module is arranged below the front-rear motion module 1.

[0008] Preferably, the right-angle visual inspection component includes a second visual inspection module and a second forward-backward moving module, and the second visual inspection module is arranged above the second forward-backward moving module.

[0009] Preferably, the visual inspection module 1 and the visual inspection module 2 both include a detection camera, a lens and a light source, the lens is arranged in front of the detection camera and connected to the detection camera, the light source is arranged in front of the lens, the detection camera, the lens and the light source are arranged in the same straight line and are all fixed above the support plate 1.

[0010] Preferably, the front-rear motion module 1 and the front-rear motion module 2 both include front-rear servo motors, a coupling 1, a screw rod 1, two bearing wheels 1 and a support plate 2; the front-rear servo motors and the two bearing wheels 1 are fixed above the support plate 2; the screw rod 1 is arranged between the two bearing wheels 1; the screw rod 1 is connected to the driving end of the front-rear servo motors through the coupling 1; a screw rod nut 1 matching the screw rod 1 is arranged on the screw rod 1; sliders 1 are arranged on both sides of the screw rod nut 1; the slider 1 is fixedly connected to the support plate 1; and a slide rail 1 matching the slider 1 is arranged on the support plate 2.

[0011] Preferably, the left and right moving module includes left and right servo motors, a screw rod 2, a coupling 2 and two bearing turns 2, the left and right servo motors and the two bearing turns 2 are all arranged below the base, the screw rod 2 is arranged between the two bearing turns 2, the screw rod 2 is connected to the driving ends of the left and right servo motors through the coupling 2, the screw rod 2 is provided with a screw rod nut 2 matching the screw rod 2, the screw rod nut 2 is provided with a connecting frame, the connecting frame is fixedly connected to the support plate 2 of the front-back movement module 1, a slider 2 is symmetrically arranged below the support plate 2 of the front-back movement module 1, and a slide rail 2 matching the slider 2 is provided on the base.

[0012] Preferably, the support plate 2 of the forward and backward moving module 2 is fixed above the base.

[0013] Preferably, a second fixing frame is provided on the front and rear sides of the base, a tank chain is provided above the second fixing frame, and one end of the tank chain is connected to the second supporting plate of the first front and rear movable module.

[0014] Therefore, the present invention adopts the above-mentioned visual inspection mechanism for photovoltaic cells, which has the following beneficial effects: (1) It is equipped with a straight-edge visual inspection component and a right-angle visual inspection component. Through the coordinated use of the motion module and the camera, the quality of photovoltaic cells in the packaging process is inspected, which effectively avoids the problem that the cells are easily damaged and some cannot be inspected during the manual inspection process, thereby improving the inspection efficiency and inspection quality; (2) A straightening component is provided to straighten the placed photovoltaic cells, ensuring that the photovoltaic cells are neatly arranged during packaging, avoiding damage due to collision or squeezing during transportation and handling, and helping to maintain the consistency of the electrical performance of the cells; (3) The regulated cells are arranged in an orderly manner, making it easy to conduct visual inspections, detect defects in a timely manner, and ensure product quality.

[0015] The technical solution of the present invention is further described in detail below through the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of an embodiment of a visual inspection mechanism for photovoltaic cells of the present invention; Figure 2 It is a schematic diagram of the structure of a regulation component of an embodiment of a visual inspection mechanism for photovoltaic cells of the present invention; Figure 3 It is a schematic diagram of the structure of a right-angle visual inspection component of an embodiment of a visual inspection mechanism for photovoltaic cells of the present invention; Figure 4 It is a schematic structural diagram of a straight edge visual inspection component of an embodiment of a visual inspection mechanism for photovoltaic cells of the present invention; Reference numerals 1. Base; 2. Pillar; 3. Servo motor hollow rotating platform; 301. Fixed frame 1; 302. Servo motor; 303. Rotating platform; 4. Material carrier; 5. Alignment component; 51. Horizontal telescopic cylinder; 52. Connecting plate; 53. Lifting cylinder; 54. Stopper; 6. Visual inspection module 1; 7. Front and rear movement module 1; 8. Left and right movement module; 9. Visual inspection module 2; 10. Front and rear movement module 2; 11. Inspection camera; 12. Lens; 1 3. Light source; 14. Support plate 1; 15. Front and rear servo motors; 16. Bearing turn 1; 17. Screw rod 1; 18. Coupling 1; 19. Support plate 2; 20. Screw nut 1; 21. Slider 1; 22. Slide rail 1; 23. Left and right servo motors; 24. Bearing turn 2; 25. Screw rod 2; 26. Coupling 2; 27. Screw nut 2; 28. Slider 2; 29. ​​Slide rail 2; 30. Connecting frame; 31. Fixed frame 2; 32. Tank chain; 33. Materials. DETAILED DESCRIPTION

[0017] Example In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, rather than all of the embodiments. The components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations. In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "inside", "outside" and the like indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0018] Reference Figure 1-4 The present invention provides a visual inspection mechanism for photovoltaic cells, including a base 1, a support column 2 is arranged below the base 1, a servo motor hollow rotating platform 3 is arranged above the base 1, and a material carrier 4 is arranged above the servo motor hollow rotating platform 3 for carrying materials 33. Straightening components 5 are symmetrically arranged on the left and right sides of the edge of the material carrier 4 to straighten the photovoltaic cells placed on the material carrier 4 to maintain the consistency of the electrical performance of the cells. The straightened cells are easy to be inspected by straight-edge visual inspection components and right-angle visual inspection components to ensure product quality. Straight-edge visual inspection components are symmetrically arranged on the front and back sides of the material carrier 4, and right-angle visual inspection components are symmetrically arranged on the diagonal sides of the material carrier 3. The straight-edge visual inspection components and the right-angle visual inspection components are both arranged on the base 1.

[0019] The servo motor hollow rotating platform 3 includes a fixing frame 301, a servo motor 302 and a rotating platform 303. The fixing frame 301 fixes the rotating platform 303 above the base 1, and the servo motor 302 is fixedly connected to the rotating platform 303. The servo motor 302 drives the rotating platform 303 to rotate, and the rotating platform 303 drives the material carrier 4 to rotate, and then drives the material 33 placed on the rotating platform 4 to rotate, so as to facilitate the multi-directional detection of the battery cell.

[0020] The alignment component 5 includes a transverse telescopic cylinder 51, which is fixedly arranged below the material carrier 4, a connecting plate 52 is arranged at the driving end of the transverse telescopic cylinder 51, a lifting cylinder 53 is arranged below one side of the connecting plate 52, a stopper 54 is arranged at the driving end of the lifting cylinder 53, and the stopper 54 is arranged outside the edge of the material carrier 4. The stopper 54 can be moved left and right and up and down by the lifting cylinder 53 and the transverse telescopic cylinder 51, and photovoltaic cells of different sizes can be aligned, which has strong applicability.

[0021] The straight edge visual inspection component includes a visual inspection module 6, a front-to-back movement module 7 and a left-to-right movement module 8, wherein the visual inspection module 6 is arranged above the front-to-back movement module 7, and the left-to-right movement module 8 is arranged below the front-to-back movement module 7. By arranging the front-to-back movement module 7 and the left-to-right movement module 8, the front-to-back and left-to-right movement of the inspection camera 11 is realized, which is conducive to changing the focal length and improving the inspection quality.

[0022] The right-angle visual inspection component includes a visual inspection module 2 9 and a forward and backward moving module 2 10, and the visual inspection module 2 10 is arranged above the forward and backward moving module 2 10. By setting the forward and backward moving module 2 10, the forward and backward movement of the inspection camera 11 is realized, which is convenient for inspecting the right angle of the photovoltaic cell.

[0023] Both the visual inspection module 1 6 and the visual inspection module 2 9 include a detection camera 11, a lens 12 and a light source 13. The lens 12 is arranged in front of the detection camera 11 and connected to the detection camera 11. The light source 13 is arranged in front of the lens 12. The detection camera 11, the lens 12 and the light source 11 are arranged in the same straight line and are all fixed above the support plate 14.

[0024] The front and rear motion module 17 and the front and rear motion module 2 10 both include front and rear servo motors 15, a coupling 18, a screw 17, two bearing turns 16 and a support plate 2 19. The front and rear servo motors 15 and the two bearing turns 16 are fixed above the support plate 2 19. The screw 17 is arranged between the two bearing turns 16. The screw 17 is connected to the driving ends of the front and rear servo motors through the coupling 18. A screw nut 20 matching the screw 17 is arranged on the screw 17. Slide blocks 21 are arranged on both sides of the screw nut 20. The slide block 21 is fixedly connected to the support plate 14. The support plate 2 19 is provided with a slide rail 22 matching the slide block 21.

[0025] The left and right moving module 8 includes left and right servo motors 23, a screw rod 25, a coupling 26 and two bearing shafts 24. The left and right servo motors 23 and the two bearing shafts 24 are all arranged below the base 1. The screw rod 25 is arranged between the two bearing shafts 24. The screw rod 25 is connected to the driving ends of the left and right servo motors 23 through the coupling 26. The screw rod 25 is provided with a screw nut 27 matching the screw rod 25. The screw nut 27 is provided with a connecting frame 30. The connecting frame 30 is fixedly connected to the support plate 2 19 of the front and rear movement module 7. Slide blocks 28 are symmetrically arranged below the support plate 2 19 of the front and rear movement module 7. The base 1 is provided with a slide rail 29 matching the slide block 28.

[0026] The supporting plate 19 of the forward and backward moving module 10 is fixed above the base 1 .

[0027] A second fixing frame 31 is provided on the front and rear sides of the base 1 , a tank chain 32 is provided above the second fixing frame 31 , and one end of the tank chain 32 is connected to the supporting plate 19 of the front and rear moving module 1 7 .

[0028] Working principle: Place the material 33 on the material carrier 4, adjust the position of the stopper 54 by the lifting cylinder 53 and the horizontal telescopic cylinder 51, and straighten the material. Then adjust the focal length of the detection camera 11 in the right-angle visual detection component and the straight edge detection component. First, adjust the front and rear focal lengths of the detection camera 11 in the right-angle visual detection component and the straight edge detection component, drive the front and rear servo motors 15, the front and rear servo motors 15 drive the screw rod 17 to rotate, the screw rod 17 drives the screw nut 120 to move forward and backward, and the screw nut 120 drives the sliders 121 on both sides to move forward and backward, thereby realizing the front and rear movement of the detection camera 11. After adjusting the front and rear focal lengths, continue to adjust the detection position of the detection camera 11 in the straight edge detection component, drive the left and right servo motors 23, the left and right servo motors 23 drive the screw rod 25 to rotate, the screw rod 25 drives the screw nut 27 to move left and right, and the connecting frame 30 on the screw nut 27 is fixedly connected to the support plate 2 19, thereby realizing the left and right movement of the detection camera 11. After adjusting the focal length of the detection camera in the right-angle visual detection component and the straight edge detection component, the photovoltaic cell is inspected. In this process, the servo motor hollow rotating platform 3 drives the material carrier 4 to rotate, realizing multi-directional detection of the photovoltaic cell.

[0029] Therefore, the present invention adopts the above-mentioned visual inspection mechanism for photovoltaic cells, and through the coordinated use of motion modules and cameras, improves the efficiency and consistency of material collection, reduces the involvement of personnel, and improves the inspection efficiency.

[0030] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that they can still modify or replace the technical solution of the present invention with equivalents, and these modifications or equivalent replacements cannot cause the modified technical solution to deviate from the spirit and scope of the technical solution of the present invention.

Claims

1. A visual inspection mechanism for photovoltaic cells, characterized in that: It includes a base, a servo motor hollow rotating platform is arranged above the base, a material carrier is arranged above the servo motor hollow rotating platform, regularization components are symmetrically arranged on the left and right sides of the edge of the material carrier, straight-edge visual detection components are symmetrically arranged on the front and back sides of the material carrier, right-angle visual detection components are symmetrically arranged on the diagonal sides of the material carrier, the straight-edge visual detection components and the right-angle visual detection components are both arranged on the base, and a pillar is arranged under the base.

2. A photovoltaic cell visual inspection mechanism according to claim 1, characterized in that: The servo motor hollow rotating platform comprises a fixing frame 1, a servo motor and a rotating platform. The fixing frame 1 fixes the rotating platform above the base, and the servo motor is fixedly connected to the rotating platform.

3. A photovoltaic cell visual inspection mechanism according to claim 2, characterized in that: The regulating component includes a transverse telescopic cylinder, which is fixedly arranged under the material carrier. A connecting plate is arranged at the driving end of the transverse telescopic cylinder, a lifting cylinder is arranged under one side of the connecting plate, and a stopper is arranged at the driving end of the lifting cylinder. The stopper is arranged outside the edge of the material carrier.

4. A photovoltaic cell visual inspection mechanism according to claim 3, characterized in that: The straight edge visual detection component includes a visual detection module 1, a front-rear motion module 1 and a left-right motion module. The visual detection module 1 is arranged above the front-rear motion module 1, and the left-right motion module is arranged below the front-rear motion module 1.

5. A photovoltaic cell visual inspection mechanism according to claim 4, characterized in that: The right-angle visual inspection component includes a second visual inspection module and a second forward-backward moving module, and the second visual inspection module is arranged above the second forward-backward moving module.

6. A photovoltaic cell visual inspection mechanism according to claim 5, characterized in that: The visual inspection module 1 and the visual inspection module 2 both include an inspection camera, a lens and a light source. The lens is arranged in front of the inspection camera and connected to the inspection camera. The light source is arranged in front of the lens. The inspection camera, the lens and the light source are arranged in the same straight line and are all fixed above the support plate 1.

7. A photovoltaic cell visual inspection mechanism according to claim 6, characterized in that: The front and rear motion module 1 and the front and rear motion module 2 both include front and rear servo motors, a coupling 1, a screw rod 1, two bearing wheels 1 and a support plate 2. The front and rear servo motors and the two bearing wheels 1 are fixed above the support plate 2. The screw rod 1 is arranged between the two bearing wheels 1. The screw rod 1 is connected to the driving end of the front and rear servo motors through the coupling 1. A screw rod nut 1 matching the screw rod 1 is arranged on the screw rod 1. Slide blocks 1 are arranged on both sides of the screw rod nut 1. The slide block 1 is fixedly connected to the support plate 1. The support plate 2 is provided with a slide rail 1 matching the slide block 1.

8. A photovoltaic cell visual inspection mechanism according to claim 7, characterized in that: The left and right moving module includes left and right servo motors, a screw rod 2, a coupling 2 and two bearing turns 2. The left and right servo motors and the two bearing turns 2 are all arranged below the base. The screw rod 2 is arranged between the two bearing turns 2. The screw rod 2 is connected to the driving ends of the left and right servo motors through the coupling 2. The screw rod 2 is provided with a screw rod nut 2 matching the screw rod 2. The screw rod nut 2 is provided with a connecting frame. The connecting frame is fixedly connected to the support plate 2 of the front-back movement module 1. Slide blocks 2 are symmetrically arranged below the support plate 2 of the front-back movement module 1. The base is provided with a slide rail 2 matching the slide blocks 2.

9. A photovoltaic cell visual inspection mechanism according to claim 8, characterized in that: The second supporting plate of the second forward and backward moving module is fixed above the base.

10. A photovoltaic cell visual inspection mechanism according to claim 9, characterized in that: A second fixing frame is arranged on the front and rear sides of the base, a tank chain is arranged above the second fixing frame, and one end of the tank chain is connected to the second supporting plate of the first front and rear moving module.

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