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1. 发明公开

EP4322107A1 TAB IMAGE ACQUISITION DEVICE, SYSTEM, AND METHOD 审中-实审转让
公开(公告)号：EP4322107A1
公开(公告)日：2024-02-14
申请号：EP22871150.3
申请日：2022-06-30
申请人： Contemporary Amperex Technology Co., Limited
发明人： TU, Yinhang , LIU, Xingan , LIU, Yi
IPC分类号： G06T7/00
摘要： This application provides a tab image acquisition device, system, and method. The tab image acquisition device includes an image acquisition apparatus, where the image acquisition apparatus includes: a first mobile module movable in a first direction A; a second mobile module movable in a second direction B, where the second mobile module is installed on the first mobile module and the second direction B intersects the first direction A; an image acquisition module installed on the second mobile module; and a prism module installed on the first mobile module, where the prism module has a reflective surface, and the reflective surface is configured to change an angle of incident light on a tab whose image is to be acquired, so that the incident light enters the image acquisition module.

2. 发明公开

EP4350621A1 BARE CELL APPEARANCE INSPECTION METHOD AND APPARATUS, COMPUTER DEVICE, AND STORAGE MEDIUM 审中-实审转让
公开(公告)号：EP4350621A1
公开(公告)日：2024-04-10
申请号：EP23797624.6
申请日：2023-03-27
申请人： Contemporary Amperex Technology Co., Limited
发明人： TU, Yinhang , LIU, Xiaofeng , ZHU, Jinping
IPC分类号： G06T7/00
摘要： The present application provides an appearance detection method and apparatus for a bare cell, a computer device, a computer-readable storage medium, a computer program product, and an appearance detection system for a bare cell, where the method includes: obtaining a cell picture of the bare cell by shooting, the cell picture being obtained by shooting in alignment with positions of tabs on an edge of the bare cell; determining a detection object in the cell picture; and performing appearance detection based on the detection object to obtain detection result information. The cell picture is obtained by shooting in alignment with the positions of the tabs on the edge of the bare cell, such that imaging of cell edges is parallel light reflection imaging, which reduces an impact of a thickness of the cell on the edge authenticity of the tabs of the cell, and ensures the accuracy of image acquisition, thereby improving the accuracy of appearance detection of the bare cell.

3. 发明公开

EP4332553A1 MACHINE VISION INSPECTION METHOD, AND INSPECTION APPARATUS AND INSPECTION SYSTEM THEREFOR 审中-实审转让
公开(公告)号：EP4332553A1
公开(公告)日：2024-03-06
申请号：EP21965929.9
申请日：2021-11-30
申请人： Contemporary Amperex Technology Co., Limited
发明人： TU, Yinhang , CUI, Kunpeng
IPC分类号： G01N21/88
摘要： Disclosed in the present application are a machine vision inspection method, and an inspection apparatus and inspection system therefor. The inspection method comprises: receiving a three-dimensional image of a component to be inspected; determining several sampling positions meeting a sampling condition; acquiring first sample data of a first component at the sampling positions and second sample data of a second component at the sampling positions; calculating a first height difference between the several pieces of first sample data and a second height difference between the several pieces of second sample data; calculating a third height difference between the first sample data and the second sample data; and when any one of the first height difference, the second height difference and the third height difference does not meet a preset inspection standard, determining that the component to be inspected does not meet standards. According to the method, three different height differences are used at the same time to determine whether a component to be inspected meets standards, and the situations such as the situation where placement positions of a first component and a second component are inclined can be effectively detected, and the inspection accuracy is improved.

4. 发明公开

EP4350619A1 BATTERY CELL SQUEEZE DAMAGE DETECTION METHOD, APPARATUS AND SYSTEM 审中-实审转让
公开(公告)号：EP4350619A1
公开(公告)日：2024-04-10
申请号：EP23789485.2
申请日：2023-03-29
申请人： Contemporary Amperex Technology Co., Limited
发明人： TU, Yinhang , CUI, Kunpeng , GAO, Yifei
IPC分类号： G06T7/00 , G06V10/10 , G06V10/40 , G06V10/74
摘要： The present application relates to a method, apparatus and system for inspecting a cell crush, a computer device, a storage medium, and a computer program product. The method includes: acquiring images of a flowing cell assembly by a high-speed image acquisition device; extracting image features from the images of the cell assembly; performing similarity matching between the image features and a preset crush model to obtain a similarity matching result; and obtaining a cell crush inspection result based on the similarity matching result. Obtaining the cell crush inspection result allows for rapid cell crush inspection.

5. 发明公开

EP4209988A1 DETECTION METHOD, ELECTRONIC DEVICE, AND COMPUTER READABLE STORAGE MEDIUM 有权转让
公开(公告)号：EP4209988A1
公开(公告)日：2023-07-12
申请号：EP21956987.8
申请日：2021-09-14
申请人： Contemporary Amperex Technology Co., Limited
发明人： TU, Yinhang , LIU, Xiaofeng , SONG, Shichuang
IPC分类号： G06T1/00
摘要： Embodiments of the present application provide a detection method, an electronic device, and a computer-readable storage medium. The detection method includes: receiving an image of a product to be detected, and detecting a position of a preset feature point on a cover plate based on the image, where the product to be detected includes a connection piece and a cover plate, the connection piece is located on the cover plate and covers a partial region of the cover plate, and the preset feature point is located in a non-edge region on the cover plate that is not covered by the connection piece; obtaining a position of the cover plate in the image based on the position of the preset feature point and a size of the cover plate; obtaining a position of the connection piece in the image based on the image; obtaining an actual position of the cover plate and an actual position of the connection piece based on the position of the cover plate in the image and the position of the connection piece in the image; and detecting a position offset between the cover plate and the connection piece based on the actual position of the cover plate and the actual position of the connection piece, so that the accuracy of the detected position offset between the cover plate and the connection piece can be improved.

6. 发明公开

EP4425156A1 ELECTRODE PLATE TEST APPARATUS, METHOD AND SYSTEM 审中-实审转让
公开(公告)号：EP4425156A1
公开(公告)日：2024-09-04
申请号：EP22948616.2
申请日：2022-06-30
申请人： Contemporary Amperex Technology Co., Limited
发明人： TU, Yinhang , MA, Yunfei , CUI, Kunpeng
IPC分类号： G01N21/88
CPC分类号： G01N21/88
摘要： An electrode plate detection apparatus, method and system are disclosed. The electrode plate detection apparatus includes a detection module (202) and a first image acquisition module (201), wherein the first image acquisition module (201) is configured to acquire images of different coating regions on an electrode plate, and send the images of the different coating regions to the detection module (202), and the detection module (202) is configured to detect the electrode plate according to the images of the different coating regions. As the first image acquisition module (201) can be configured to implement the acquisition of the images of the different coating regions on the electrode plate, compared with the need to use different image acquisition modules for different coating regions, the number of the image acquisition modules can be reduced, thereby reducing the cost of the electrode plate detection apparatus.

7. 发明公开

EP4350192A1 DETECTION APPARATUS AND METHOD, COMPUTER DEVICE, STORAGE MEDIUM, AND PROGRAM PRODUCT 审中-实审转让
公开(公告)号：EP4350192A1
公开(公告)日：2024-04-10
申请号：EP23800305.7
申请日：2023-03-29
申请人： Contemporary Amperex Technology Co., Limited
发明人： TU, Yinhang , GAO, Yifei , MA, Yunfei
IPC分类号： F16M11/04
摘要： The present application relates to a detection apparatus and method, a computer device, a storage medium, and a program product. The method includes: The detection apparatus includes a support (11), a driving apparatus provided on the support (11), and a first movable module (12), where the driving apparatus includes a first driving apparatus, and the first driving apparatus is connected to the first movable module (12); the first movable module (12) is provided with a first sliding assembly, and a first camera (13) connected to the first sliding assembly; and the first driving apparatus is configured to control the first sliding assembly to move in a first direction to drive the first camera (13) to move close to or away from a material to be photographed, where an included angle between the first direction and a vertical direction is less than or equal to a preset angle threshold. As such, the quality of a 3D image can be improved, and the accuracy of detecting the effectiveness of sealing pin welding can thus be improved.

8. 发明公开

EP4220807A1 CASING LOAD-IN APPARATUS AND BATTERY ASSEMBLY DEVICE 审中-实审转让
公开(公告)号：EP4220807A1
公开(公告)日：2023-08-02
申请号：EP22871502.5
申请日：2022-06-21
申请人： Contemporary Amperex Technology Co., Limited
发明人： TU, Yinhang , SONG, Shichuang , LI, Yangbo
IPC分类号： H01M10/058 , H01M10/04 , H01M10/0525
摘要： Embodiments of the present application provide a casing load-in apparatus and a battery assembly device for use in assembling a battery cell. The battery cell comprises an electrode assembly and a casing. Comprised are a first holding mechanism used for holding the electrode assembly; a second holding mechanism used for holding the casing; a driving mechanism used for driving at least one of the first holding mechanism and the second holding mechanism to move so as to assemble the electrode assembly into the casing; a pressure detection mechanism used for detecting pressure values received by the holding mechanisms; a displacement detection module used for detecting the displacements of the holding mechanisms; and a processing module communicatively connected to the pressure detection mechanism and the displacement detection module, wherein according to the pressure values detected by the pressure detection mechanism and the displacements of the holding mechanisms detected by the displacement detection module, the processing module determines whether the assembly is abnormal. By means of the pressure detection mechanism, the displacement detection module and the processing module, the technical effect of being able to determine whether there is an abnormality according to a relative acting force and relative position at the same time is achieved..

9. 发明公开

EP4220794A1 BATTERY COMPONENT ASSEMBLING METHOD, CLAMP AND WELDING DEVICE 审中-实审转让
公开(公告)号：EP4220794A1
公开(公告)日：2023-08-02
申请号：EP22874257.3
申请日：2022-06-07
申请人： Contemporary Amperex Technology Co., Limited
发明人： TU, Yinhang , LIU, Yi
IPC分类号： H01M10/04 , B23K26/70
摘要： Provided is a battery assembly assembling method, including: acquiring a pressing displacement amount of a pressing device; controlling a clamping device to clamp a battery assembly if an absolute value of a difference between the pressing displacement amount and a standard pressing displacement amount is less than or equal to a preset threshold; acquiring a first actual displacement amount and a first clamping force of the clamping device; and completing assembling if an absolute value of a difference between the first actual displacement amount and a first standard displacement amount is less than or equal to a first displacement threshold, and an absolute value of a difference between the first clamping force and a first standard clamping force is less than or equal to a first clamping force threshold. Provided is a battery assembly clamp, including: a control unit, and a pressing device, a clamping device, a first feedback unit and a second feedback unit respectively electrically connected to the control unit, where the first feedback unit is configured to acquire a pressing displacement amount of the pressing device; and the second feedback unit is configured to acquire a first actual displacement amount and a first clamping force of the clamping device. Provided is a welding device, including the above clamp. The problem that a clamping position and a clamping force of the battery assembly cannot be determined is solved.

10. 发明公开

EP4410440A1 COATING SIZE DEVIATION CORRECTION METHOD AND APPARATUS, DEVICE, STORAGE MEDIUM, AND PROGRAM PRODUCT 审中-实审转让
公开(公告)号：EP4410440A1
公开(公告)日：2024-08-07
申请号：EP22948617.0
申请日：2022-06-30
申请人： Contemporary Amperex Technology Co., Limited
发明人： TU, Yinhang , MA, Yunfei , SONG, Shichuang
IPC分类号： B05C11/00
CPC分类号： B05C11/00
摘要： This application provides a coating size correction method and apparatus, an device, storage medium, and a program product. The method includes: acquiring a first wet coating width and a first dry coating width of a first coating region on an electrode plate; calculating a first deviation between the first dry coating width and a preset coating width, and a second deviation between the first wet coating width and the first dry coating width; and determining a first correction amount based on the first deviation and the second deviation. In this application, the first correction amount for correcting the deviation is determined based on the first wet coating width and first dry coating width acquired at the same position and based on the preset coating width, thereby improving efficiency and accuracy of coating size correction.

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