Photovoltaic cell film thickness detection device
By designing an adjustable camera device in the photovoltaic cell film thickness detection device, the problem of low image data extraction efficiency caused by the fixed camera in the existing device is solved, and more efficient and accurate film thickness detection is achieved.
Patent Information
- Application Number
- CN202421627699.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-10
- Publication Date
- 2025-06-06
- Estimated Expiration
- 2034-07-10
AI Technical Summary
The existing photovoltaic cell film thickness detection device has a fixed camera type, which cannot be adjusted according to the actual needs of the battery, resulting in low image data extraction efficiency.
A photovoltaic cell film thickness detection device is designed, including a frame, a detection chamber, a detection hole and a detection assembly. The detection component includes a mounting plate, an adjustment component and an imaging device. The imaging device slides up and down through the adjustment component and is fixed by an adjustment screw, so that the distance between the object to be tested can be adjusted according to actual needs.
By adjusting the position and distance of the imaging device, the image data of the photovoltaic cell coating can be better extracted, and the efficiency and accuracy of film thickness detection can be improved.
Smart Images

Figure CN222951699U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of photovoltaic cells, in particular to a photovoltaic cell film thickness detection device. Background Art
[0002] Photovoltaic cells are the basic components of solar photovoltaic power generation, and their performance directly affects the efficiency and stability of solar cells. In order to improve the light absorption capacity and current output efficiency of the cells, it is often necessary to coat the surface of the cells, and the thickness of the cell coating will have a serious impact on the power generation efficiency of the cells.
[0003] In view of the current problems of great difficulty, high cost and low efficiency in film thickness detection, using a camera to extract photovoltaic cell image data and process the data is a more common method of cell film thickness detection. However, some existing detection devices have fixed cameras, which makes it impossible to adjust the camera according to the actual needs of the cell and extract the cell image data from the most appropriate direction.
[0004] For example, the Chinese patent application number is CN202311699246.8, and the publication date is 2024.04.16. It discloses a photovoltaic module surface defect testing device based on visual recognition, and its technical solution includes: a test box, a crossbeam plate is arranged in the test box, a test azimuth adjustment mechanism is arranged on the crossbeam plate, a sensor matrix tester and a test camera are arranged below the mounting frame, a loading mechanism is arranged below the two sets of longitudinal guide rails in the test box, a lifting mechanism is arranged at the lower position between the two sets of conveyor belts, a unloading mechanism is arranged on one side of the test box, and an integrated center console is arranged on one side of the door panel. The present invention is easy to operate, and the sensor matrix tester and the test camera can be adjusted by setting the test azimuth adjustment mechanism.
[0005] The test camera can be adjusted horizontally, vertically and up and down in height, so that the sensor matrix tester and the test camera can be more comprehensive in detecting and testing the surface of the photovoltaic panel.
[0006] The above documents only disclose that the camera can move longitudinally, but the camera is not guided during movement, so position deviation may occur during movement. Summary of the invention
[0007] The utility model aims to provide a photovoltaic cell film thickness detection device, which can adjust the position of a camera device and adjust the distance between the camera device and a detected object according to actual needs, so as to better extract image data.
[0008] To achieve the above-mentioned purpose, the utility model provides a photovoltaic cell film thickness detection device, including a frame, a detection chamber is provided on the frame, a detection hole is provided at the top of the detection chamber, and a detection component is provided on the detection chamber on one side of the detection hole, the detection component includes a mounting plate, an adjustment component and a camera device, the mounting plate is arranged on the top of the detection chamber, the camera device is slidably arranged on the mounting plate by the adjustment component, the camera device is arranged corresponding to the detection hole and the camera device is moved away from or close to the detection hole by the adjustment component; the adjustment component includes an adjustment slider and an adjustment component, an adjustment groove extending from the top of the mounting plate to the bottom of the mounting plate is provided on the mounting plate, the adjustment slider is slidably arranged in the adjustment groove and is fixed by the adjustment component after sliding to the position, and the camera device is provided on the adjustment slider; a positioning plate is provided on the mounting plate on one side of the adjustment groove, one side of the adjustment slider is abutted against the side wall of the positioning plate, and one side of the adjustment slider is slidably arranged along the side wall of the positioning plate.
[0009] The above structure can detect the coating of the battery cells in the detection chamber by arranging a camera device above the detection chamber. At the same time, the camera device can slide up and down on the mounting plate through the adjusting component, so that the distance between the camera device and the object to be detected can be adjusted according to actual needs, thereby enabling better extraction of image data; by setting the adjusting screw, the camera device can be fixed by the adjusting screw after the position is adjusted, and the structure is simple and reliable; at the same time, by setting the positioning plate, the adjustment slider can play a role in positioning and limiting when sliding, so that the position is more accurate when fixing the adjustment slider.
[0010] Furthermore, the adjusting component is an adjusting screw, a threaded hole is provided on the adjusting slider, and a thread corresponding to the threaded hole is provided on the screw rod of the adjusting screw. The screw rod of the adjusting screw passes through the adjusting slot and is connected to the threaded hole, and the screw rod of the adjusting screw slides along the length direction of the adjusting slot, and the screw cap of the adjusting screw is abutted against the rear end surface of the mounting plate.
[0011] The above arrangement, through the arrangement of the adjusting screw, enables the camera device to be fixed after the position is adjusted, and the structure is simple and reliable.
[0012] Furthermore, the adjustment slot is a through slot extending from the front end surface of the mounting plate to the rear end surface of the mounting plate, and the screw rod of the adjustment screw passes through the adjustment slot and is connected to the adjustment slider.
[0013] The above arrangement facilitates the adjustment screw to pass through the adjustment slot and connect with the adjustment slider through the through slot arrangement.
[0014] Furthermore, a chamber door is provided on one side of the inspection chamber.
[0015] The compartment door is provided to facilitate placing the battery cells to be tested into the testing compartment.
[0016] Furthermore, fixed feet are provided at the bottom end of the frame, and the fixed feet are located at the four corners of the frame.
[0017] The above arrangement facilitates the inspection chamber to be raised by fixing the feet, thereby making it convenient for inspection personnel to use.
[0018] Furthermore, foot seats are provided on both sides of the bottom end of the fixed foot.
[0019] The above arrangement supports the fixed legs through the footrests, thereby making the center of gravity of the rack more stable.
[0020] Furthermore, the imaging device includes a camera.
[0021] The above settings extract the image data of the coating thickness of the battery cell through the camera, so as to facilitate the subsequent detection of the film thickness. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] Figure 1 It is a structural schematic diagram of the utility model.
[0023] Figure 2 for Figure 1 Enlarged view of point A in the middle.
[0024] Figure 3 Schematic diagram of the connection between the slider and the connecting screw. DETAILED DESCRIPTION
[0025] The utility model is further described in detail below in conjunction with specific implementation methods.
[0026] like Figure 1-Figure 3 As shown, the utility model provides a photovoltaic cell film thickness detection device, including a frame 1, a detection chamber 2 is provided on the frame 1, a detection hole 21 is provided at the top of the detection chamber 2, a detection component 3 is provided on the detection chamber 2 on one side of the detection hole 21, the detection component 3 includes a mounting plate 31, an adjustment component 4 and a camera device 5, the mounting plate 31 is arranged on the top of the detection chamber 2, the camera device 5 is slid up and down on the mounting plate 31 by the adjustment component 4, the camera device 5 is arranged corresponding to the detection hole 21 and the camera device 5 is moved away from or close to the detection hole 21 by the adjustment component 4.
[0027] like Figure 2 and Figure 3As shown, the adjustment assembly 4 includes an adjustment slider 41 and an adjustment component. In this embodiment, the adjustment component is an adjustment screw 42. An adjustment slot 32 extending from the top end to the bottom end of the mounting plate 31 is provided on the mounting plate 31. The adjustment slider 41 is slidably arranged in the adjustment slot 32 and is fixed by the adjustment screw 42 after sliding to a position. A camera device 5 is provided on the adjustment slider 41. By setting the adjustment screw, the camera device 5 is fixed by the adjustment screw after the position is adjusted. The structure is simple and reliable. A threaded hole 411 is provided on the adjustment slider 41, and a screw rod of the adjustment screw 42 is provided with a thread corresponding to the threaded hole 411. The screw rod 421 of the adjustment screw 42 passes through the adjustment slot 32 and is connected to the threaded hole 411, and the screw rod 421 of the adjustment screw 42 slides along the length direction of the adjustment slot 32. The screw cap 422 of the adjustment screw 42 is held against the rear end surface of the mounting plate 31. According to the arrangement, the adjusting screw 42 slides in the adjusting slot 32, so that it can play a guiding role when the adjusting slider 41 moves, so that the movement of the adjusting slider 41 is more accurate and stable. In this embodiment, the cross-sectional length of the screw rod 421 of the adjusting screw 42 is less than the width of the adjusting slot 32 and the cross-sectional length of the screw cap 422 of the adjusting screw 42 is greater than the width of the adjusting slot 32. According to the arrangement, when the screw rod 421 of the adjusting screw 42 passes through the adjusting slot 32 and is connected to the adjusting slider 41, the screw cap 422 can ensure that the adjusting slider 41 can slide up and down along the adjusting slot 32, so as to facilitate the adjustment of the position of the camera device 5. The adjusting slot 32 is a through slot that runs from the front end surface of the mounting plate 31 to the rear end surface of the mounting plate 31, and the screw rod 421 of the adjusting screw 42 passes through the adjusting slot 32 and is connected to the adjusting slider 41. The through slot arrangement facilitates the adjusting screw 42 to pass through the adjusting slot 32 and be connected to the adjusting slider 41.
[0028] A positioning plate 33 is provided on the mounting plate 31 at one side of the adjusting slot 32, one side of the adjusting slider 41 is abutted against the side wall of the positioning plate 33, and one side of the adjusting slider is slidably arranged up and down along the side wall of the positioning plate. The positioning plate 33 is arranged so that the adjusting slider 41 can play a role of positioning and limiting when sliding, so that the position of the adjusting slider 41 is more accurate when fixing the adjusting slider 41.
[0029] A door 20 is provided on one side of the inspection chamber 2. The door 20 facilitates placing the battery cell to be inspected into the inspection chamber 2.
[0030] A fixed foot 11 is provided at the bottom end of the frame 1, and the fixed foot 11 is located at the four corners of the frame 1. The fixed foot 11 facilitates the detection chamber to be raised, so as to facilitate the use of the detection personnel.
[0031] Footrests 12 are provided on both sides of the bottom of the fixed foot 11. The fixed foot 11 is supported by the footrests 12, so that the center of gravity of the frame 1 is more stable.
[0032] The camera device 5 includes a camera. The camera 5 is used to extract image data of the coating thickness of the battery cell, so as to facilitate subsequent detection of the film thickness.
[0033] The working principle of the utility model is as follows: by arranging a camera device above the detection chamber, the coating of the battery cells in the detection chamber can be detected, and at the same time, the camera device can slide up and down on the mounting plate through an adjusting component, so that the distance between the camera device and the object to be detected can be adjusted according to actual needs, thereby enabling better extraction of image data; by setting the adjusting screw, the camera device can be fixed by the adjusting screw after the position is adjusted, and the structure is simple and reliable; at the same time, by setting the positioning plate, the adjusting slider can play a role in positioning and limiting when sliding, so that the position is more accurate when fixing the adjusting slider.
Claims
1. A photovoltaic cell film thickness detection device, characterized in that: The machine comprises a frame, a detection chamber is arranged on the frame, a detection hole is arranged at the top of the detection chamber, a detection assembly is arranged on the detection chamber on one side of the detection hole, the detection assembly comprises a mounting plate, an adjustment assembly and a camera device, the mounting plate is arranged on the top of the detection chamber, the camera device is arranged on the mounting plate to slide up and down through the adjustment assembly, the camera device is arranged corresponding to the detection hole and the camera device is moved away from or close to the detection hole through the adjustment assembly; The adjustment assembly includes an adjustment slider and an adjustment component. An adjustment slot extending from the top end to the bottom end of the mounting plate is provided on the mounting plate. The adjustment slider is slidably arranged in the adjustment slot and is fixed by the adjustment component after sliding to a position. A camera device is provided on the adjustment slider. A positioning plate is provided on the mounting plate on one side of the adjustment slot. One side of the adjustment slider is abutted against the side wall of the positioning plate, and one side of the adjustment slider is slidably arranged up and down along the side wall of the positioning plate.
2. A photovoltaic cell film thickness detection device according to claim 1, characterized in that: The adjusting component is an adjusting screw, a threaded hole is provided on the adjusting slider, a thread corresponding to the threaded hole is provided on the screw rod of the adjusting screw, the screw rod of the adjusting screw passes through the adjusting slot and is connected to the threaded hole, and the screw rod of the adjusting screw slides along the length direction of the adjusting slot, and the screw cap of the adjusting screw is abutted against the rear end surface of the mounting plate.
3. A photovoltaic cell film thickness detection device according to claim 2, characterized in that: The adjusting slot is a through slot extending from the front end surface of the mounting plate to the rear end surface of the mounting plate, and the screw rod of the adjusting screw passes through the adjusting slot and is connected to the adjusting slider.
4. A photovoltaic cell film thickness detection device according to claim 1, characterized in that: A chamber door is arranged on one side of the inspection chamber.
5. A photovoltaic cell film thickness detection device according to claim 1, characterized in that: The bottom end of the frame is provided with fixing feet, and the fixing feet are located at the four corners of the frame.
6. A photovoltaic cell film thickness detection device according to claim 5, characterized in that: Foot seats are arranged on both sides of the bottom end of the fixed foot.
7. A photovoltaic cell film thickness detection device according to claim 1, characterized in that: The imaging device comprises a camera.
Citation Information
Patent Citations
Photovoltaic module surface defect testing equipment based on visual identification
CN117890299A