Lithium battery appearance detection equipment

By designing the appearance detection equipment of lithium battery and using the driver components and camera modules for all-round inspection, the problems of large errors and low efficiency of manual detection are solved, and efficient and accurate appearance detection of lithium battery is achieved.

CN120404734APending Publication Date: 2025-08-01YANGZHOU CHUANGYOU NEW ENERGY CO LTD
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Patent Information

Application Number
CN202510475757.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-04-16
Publication Date
2025-08-01

AI Technical Summary

Technical Problem

The appearance inspection of existing lithium batteries relies on manual naked eye observation, and there are problems such as large detection error, low efficiency and inconsistent quality inspection standards.

Method used

A lithium battery appearance detection device is designed, using driving components to drive the lithium battery in the placement box to roll, combine the camera module and fill light for all-round inspection, and ensure the stability of the lithium battery during the detection process through limit and clamping components, realizing secondary inspection.

Benefits of technology

It improves the accuracy and efficiency of detection, ensures comprehensiveness of detection, reduces detection errors, and is suitable for simultaneous detection of multiple lithium batteries.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of battery appearance detection, and discloses lithium battery appearance detection equipment which comprises a box body, a placement plate is arranged in the box body, a driving assembly is arranged on the placement plate, a limiting assembly is arranged on the driving assembly, and a placement box is arranged in the limiting assembly; a placing box is arranged in the box body, a plurality of clamping assemblies are arranged in the placing box and are uniformly distributed on the two sides of the placing box, one end of each clamping assembly penetrates through the placing box and is connected with a rotating shaft, a gear is arranged on the rotating shaft, and the gear is meshed with a rack frame arranged in the box body; a driving assembly is arranged in the box body, a camera module and a light supplementing lamp are arranged above the driving assembly in the box body, the camera module, the light supplementing lamp and the driving assembly are electrically connected with a control box arranged on the placing plate, an operation panel is arranged on one side of the box body, and the operation panel is electrically connected with the control box. The appearance of the lithium battery can be comprehensively detected in the process of conveying the lithium battery back and forth, and the overall detection efficiency and detection precision are higher.
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Description

Technical Field

[0001] This application relates to the technical field of battery appearance detection, and particularly to a lithium battery appearance detection device. Background Art

[0002] The appearance detection of lithium batteries is a core link in quality control during the production process. During the production process, problems such as scratches, depressions, unclear or missing printing of die numbers on the surface of lithium batteries are inevitable. If the detection is not in place, it will directly affect the safety, performance, and consistency of the batteries;

[0003] Currently, the appearance detection of lithium batteries is carried out by manual visual inspection. However, manual quality inspection is highly subjective, and the quality inspection standards of different quality inspectors are inconsistent, which is prone to judgment differences. At the same time, manual detection is prone to eye fatigue and slow detection speed.

[0004] Therefore, there is an urgent need for a standardized and efficient lithium battery appearance detection device to solve the above problems.

[0005] The above content is only used to assist in understanding the technical solution of this application, and does not represent an admission that the above content is prior art. Summary of the Invention

[0006] The main purpose of this application is to provide a lithium battery appearance detection device, aiming to solve the problems of easy detection errors and low efficiency when detecting the appearance of lithium batteries.

[0007] To achieve the above purpose, a lithium battery appearance detection device provided by this application includes a box body. A placement plate is arranged in the box body. A driving component is arranged on the placement plate. A limiting component is arranged on the driving component. A placement box is arranged in the limiting component;

[0008] A plurality of clamping components are arranged in the placement box. The plurality of clamping components are evenly distributed on both sides of the placement box. One end of each clamping component passes through the placement box and is connected to a rotating shaft. A gear is arranged on the rotating shaft. The gear meshes with a rack arranged inside the box body;

[0009] An imaging module and a supplementary light are arranged above the driving component inside the box body. The imaging module, the supplementary light, the driving component are electrically connected to a control box arranged on the placement plate. An operation panel is arranged on one side of the box body. The operation panel is electrically connected to the control box.

[0010] As a preferred solution of this application, the driving component includes a motor, a support frame, a first transmission wheel, a second transmission wheel, and a belt;

[0011] Two support frames are provided on the placement plate, and the first transmission wheel and the second transmission wheel are rotatably connected to the two support frames respectively. The first transmission wheel and the second transmission wheel are connected by the belt, and the limiting component is provided on the belt.

[0012] As a preferred solution of the present application, the limiting assembly includes a limiting plate and a limiting strip, the limiting strips are respectively provided on both sides of the belt, and the limiting plate is provided between the two limiting strips.

[0013] As a preferred solution of the present application, the clamping assembly includes a clamping block, a prismatic rod, a prismatic slide groove, and a first spring;

[0014] The prismatic rod is provided on one side close to the gear, the prismatic rod is slidably provided in the prismatic slot, the first spring is provided between the prismatic rod and the prismatic slot, and the end of the prismatic slot facing away from the clamping block is connected to the rotating shaft.

[0015] As a preferred solution of the present application, it also includes an adjustment component, the clamping block is provided with a mounting groove, the adjustment component is arranged in the mounting groove, the adjustment component includes a guide groove, a rubber block and a second spring, the clamping block is provided with a plurality of guide grooves, the rubber block is slidably arranged in each guide groove, and the second spring is arranged between the rubber block and the guide groove.

[0016] As a preferred solution of the present application, it further includes an opening and closing component, which includes a hinge, a door and a handle. The hinge is provided between the box body and the door, and the handle is provided on the door.

[0017] As a preferred solution of the present application, it further includes an electromagnet, and a plurality of the electromagnets are provided on the belt, and the electromagnets are electrically connected to the control box.

[0018] As a preferred solution of the present application, it further includes an infrared sensor and a rectangular block. The infrared sensor is symmetrically arranged on the second transmission wheel, the infrared sensor is electrically connected to the control box, and the rectangular block is arranged on the limit assembly.

[0019] As a preferred solution of the present application, it further includes a three-color indicator light, which is provided on the box body and is electrically connected to the control box.

[0020] As a preferred solution of the present application, a buzzer is further included. The box body is provided with the buzzer, and the buzzer is electrically connected to the control box.

[0021] A lithium battery appearance detection device provided by the present application places the lithium battery in a placement box, clamps the lithium battery using a clamping component, and then transports the placement box with the lithium battery to below the camera module by a driving component for appearance detection. Since the gear meshes with the rack during the movement of the placement box, it will drive the lithium battery in the placement box to roll. At the same time, with the cooperation of the fill light and the camera module, the surface appearance of the lithium battery can be detected. Through the above settings, a more comprehensive detection of the appearance of the lithium battery can be achieved, and it can also ensure that there is no falling or other situations during the rotation. After one detection is completed, the driving component will send the placement box back to the starting position to realize the secondary inspection of the appearance of the lithium battery. Overall, the inspection is more comprehensive, the detection effect is better, and multiple lithium battery appearances can be detected during one transmission, which is more efficient than manual detection. Description of the Drawings

[0022] Figure 1 Schematic perspective view of a lithium battery appearance detection device in an embodiment of the present application;

[0023] Figure 2 Cross-sectional view of a lithium battery appearance detection device in an embodiment of the present application;

[0024] Figure 3 First schematic structural view of a driving component in a lithium battery appearance detection device in an embodiment of the present application;

[0025] Figure 4 Second schematic structural view of a driving component in a lithium battery appearance detection device in an embodiment of the present application;

[0026] Figure 5 Schematic structural view of a placement box and a clamping component in a lithium battery appearance detection device in an embodiment of the present application;

[0027] Figure 6 Cross-sectional view of a clamping component in a lithium battery appearance detection device in an embodiment of the present application;

[0028] Figure 7 Schematic structural view of a clamping component in a lithium battery appearance detection device in an embodiment of the present application.

[0029] Explanation of the reference numerals:

[0030] 1, box body; 2, driving component; 3, limiting component; 4, placement box; 5, clamping component; 6, rotating shaft; 7, gear; 8, rack; 9, camera module; 10, fill light; 11, control box; 12, operation panel; 13, adjusting component; 14, opening and closing component; 15, electromagnet; 16, infrared sensor; 17, rectangular block; 18, three-color indicator light.

[0031] 201. Motor; 202. Support frame; 203. First drive wheel; 204. Second drive wheel; 205. Belt; 301. Limit plate; 302. Limit strip; 501. Clamping block; 502. Rhombic rod; 503. Rhombic chute; 504. First spring; 1401. Rubber block; 1402. Second spring. Detailed implementation manner

[0032] The embodiments of the present application will be described in detail below. The examples of the embodiments are shown in the accompanying drawings, where the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions from beginning to end. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to explain the present application, but should not be construed as limiting the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present application.

[0033] In addition, if the description in the present application involves "first", "second", etc., it is only for descriptive purposes (such as for distinguishing the same or similar elements), and should not be construed as indicating or implying their relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the fact that those of ordinary skill in the art can implement it. When the combination of the technical solutions is contradictory or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection required by the present application.

[0034] Please refer to Figure 1 , Figure 2 , Figure 5 , in one embodiment, a lithium battery appearance detection device provided by the present application includes a box body 1. A placement plate is arranged in the box body 1. A driving assembly 2 is arranged on the placement plate. A limiting assembly 3 is arranged on the driving assembly 2. A placement box 4 is arranged in the limiting assembly 3;

[0035] A plurality of clamping assemblies 5 are arranged in the placement box 4. The plurality of clamping assemblies 5 are evenly distributed on both sides of the placement box 4. One end of each clamping assembly 5 passes through the placement box 4 and is connected to a rotating shaft 6. A gear 7 is arranged on the rotating shaft 6. The gear 7 meshes with a rack 8 arranged inside the box body 1;

[0036] Above the driving assembly 2 inside the box body 1, a camera module 9 and a supplementary light 10 are arranged. The camera module 9, the supplementary light 10, the driving assembly 2 are electrically connected to a control box 11 arranged on the placement plate. An operation panel 12 is arranged on one side of the box body 1. The operation panel 12 is electrically connected to the control box 11.

[0037] Preferably, a sponge board is further arranged in the placing box 4. The size of the sponge board is adapted to the size of the bottom of the placing box 4, which can prevent the lithium battery from falling into the box body 1 and directly contacting the box body 1. By arranging the sponge board, a buffering effect can be provided.

[0038] It should be noted that a material opening is formed in the box body 1. The material opening is a feeding opening and a receiving opening, which are used to place the placing box 4 on the driving component 2 and utilize the driving component 2 to perform conveying material detection and recycling the detected lithium batteries.

[0039] It can be understood that for a lithium battery appearance detection device provided by the present application, by placing the lithium battery in the placing box 4, clamping the lithium battery by the clamping component 5, and then conveying the placing box 4 with the lithium battery by the driving component 2 to the lower part of the camera module 9 for appearance detection. Since the gear 7 and the rack 8 are meshed with each other during the movement of the placing box 4, it will drive the lithium battery in the placing box 4 to roll. At the same time, with the cooperation of the supplementary light 10 and the camera module 9, the camera module 9 is used to take pictures of the appearance of the lithium battery and compare it with the pre-stored pictures, so as to detect the surface appearance of the lithium battery. Through the above settings, a more comprehensive detection of the appearance of the lithium battery can be carried out, and it can also be ensured that no falling or other situations will occur during the rotation. After one detection is completed, the driving component 2 will send the placing box 4 back to the starting position to realize the secondary inspection of the appearance of the lithium battery. Overall, the inspection is more comprehensive, the detection accuracy is higher, and the appearance of multiple lithium batteries can be detected in one transmission, which is more efficient than manual detection.

[0040] Specifically, please refer to Figure 3 , on the basis of the above embodiment, the driving component 2 includes a motor 201, a support frame 202, a first transmission wheel 203, a second transmission wheel 204 and a belt 205;

[0041] Two support frames 202 are arranged on the placing plate. The first transmission wheel 203 and the second transmission wheel 204 are respectively rotatably connected to the two support frames 202. The first transmission wheel 203 and the second transmission wheel 204 are connected by a belt 205, and a limiting component 3 is arranged on the belt 205.

[0042] It can be understood that the motor 201 is electrically connected to the control box 11. By importing the corresponding control program on the operation panel 12, the motor 201 is controlled to perform reciprocating motion to realize the secondary detection of the surface of the lithium battery.

[0043] Specifically, please refer to Figure 1 , Figure 4 , on the basis of the above embodiment, the limiting component 3 includes a limiting plate 301 and a limiting strip 302. Limiting strips 302 are respectively arranged on both sides of the belt 205, and a limiting plate 301 is arranged between the two limiting strips 302.

[0044] It can be understood that by setting the limit bar 302 and the limit plate 301, the placed battery can be limited, ensuring that the placement box 4 can be accurately placed at the specified position each time, which is beneficial for the subsequent camera module 9 to detect the surface appearance of the lithium battery.

[0045] Specifically, please refer to Figure 5 , Figure 6 , Figure 7 , on the basis of the above-mentioned embodiment, the clamping assembly 5 includes a clamping block 501, a rhombic rod 502, a rhombic chute 503, and a first spring 504;

[0046] A rhombic rod 502 is arranged on the side close to the gear 7. The rhombic rod 502 is slidably arranged in the rhombic chute 503. A first spring 504 is arranged between the rhombic rod 502 and the rhombic chute 503. One end of the rhombic chute 503 facing away from the clamping block 501 is connected to the rotating shaft 6.

[0047] It can be understood that the two ends of the lithium battery are clamped by the clamping block 501 to ensure that the lithium battery can be relatively stable during rotation and will not fall into the placement box 4, so as to realize the smooth rotation of the lithium battery during transportation, and further realize the detection of the surface appearance of the lithium battery; at the same time, the clamping block 501 and the surface of the lithium battery adopt a flexible material to avoid the clamping block 501 on the end face of the lithium battery. The flexible material can specifically be rubber.

[0048] It should be noted that the clamping assembly 5 is suitable for checking lithium batteries with relatively light weights and is not applicable to lithium batteries exceeding the clamping force of the clamping block 501. The weight of the specific lithium battery and the elasticity of the first spring 504 are adapted or processed according to the actual situation.

[0049] Specifically, please refer to Figure 5 , Figure 6 , Figure 7 , on the basis of the above-mentioned embodiment, an adjusting assembly 13 is further included. An installation groove is provided on the clamping block 501. The adjusting assembly 13 is arranged in the installation groove. The adjusting assembly 13 includes a guiding groove, a rubber block 1401, and a second spring 1402. A plurality of guiding grooves are provided on the clamping block 501. A rubber block 1401 is slidably arranged in each guiding groove. A second spring 1402 is arranged between the rubber block 1401 and the guiding groove.

[0050] It can be understood that by setting the installation groove, the two ends of the lithium battery are embedded in the installation groove. By using the rubber block 1401 and the second spring 1402, lithium batteries with a certain range of diameters can be clamped, meeting the installation of lithium batteries of various sizes and making the applicable range of lithium batteries wider.

[0051] It should be noted that the adjustment component 13 provided on the clamping component 5 is more suitable for detecting appearance problems such as missing or incomplete printing of the mold number on the surface of the lithium battery, and cannot detect appearance problems such as bulging or cracking on the end face of the lithium battery.

[0052] Specifically, please refer to Figure 1 , Figure 2 , on the basis of the above-mentioned embodiment, it further includes an opening and closing component 14. The opening and closing component 14 includes a hinge, a box door and a handle. A hinge is provided between the box body 1 and the box door, and a handle is provided on the box door.

[0053] It can be understood that by setting the opening and closing component 14, the box door can be opened during maintenance to maintain or clean the camera module 9, the driving component 2, etc. inside the box body 1. At the same time, the box door is made of transparent materials such as acrylic or glass, which is convenient for users to observe the detection process of the lithium battery during use, and can perform a shutdown operation in a timely manner through the operation panel 12 when a problem is found.

[0054] Specifically, please refer to Figure 3 , on the basis of the above-mentioned embodiment, it further includes an electromagnet 15. A plurality of electromagnets 15 are provided on the belt 205, and the electromagnet 15 is electrically connected to the control box 11.

[0055] It can be understood that the placement box 4 is made of a metal material. By providing the electromagnet 15 on the belt 205, the placement box 4 can be attracted and stabilized during the energization of the electromagnet 15, ensuring that the placement box 4 does not shift in position during the movement process, and ensuring the mutual meshing of the gear 7 and the rack 8.

[0056] Specifically, please refer to Figure 3 , Figure 4 , on the basis of the above-mentioned embodiment, it further includes an infrared sensor 16 and a rectangular block 17. The infrared sensor 16 is symmetrically provided on the second transmission wheel 204. The infrared sensor 16 is electrically connected to the control box 11, and the rectangular block 17 is provided on the limit component 3.

[0057] It can be understood that the rectangular block 17 is a black opaque object. When the rectangular block 17 triggers the infrared sensor 16, the infrared sensor 16 sends a signal to the control box 11, and the control box 11 controls the motor 201 to stop rotating. Subsequently, the motor 201 is controlled to rotate in the reverse direction to convey the placement box 4 and the lithium battery towards the material port. During the return process, the gear 7 and the rack 8 mesh again, and the clamping component 5 drives the surface of the lithium battery to rotate, and the appearance of the surface of the lithium battery is detected again, making the detection more comprehensive and the detection accuracy higher.

[0058] Specifically, please refer to Figure 1, on the basis of the above embodiments, it further includes a three-color indicator light 18. The three-color indicator light 18 is arranged on the box body 1 and is electrically connected to the control box 11.

[0059] It can be understood that by setting the three-color indicator light 18, visual prompts can be provided to remind the user that there are defective products in the current appearance inspection of the lithium battery. The position of the defective product in the current inspection on which clamping component 5 in the placement box 4 will be displayed on the display screen of the operation panel 12, and the staff will take out the defective product in the placement box 4.

[0060] Specifically, on the basis of the above embodiments, it further includes a buzzer (not marked in the figure). The buzzer is arranged on the box body 1. The buzzer can be arranged inside the box body 1 and is electrically connected to the control box 11.

[0061] It can be understood that by setting the buzzer, a sound alarm can be triggered to remind the user that there are problems with the appearance of the lithium battery sent for inspection this time, and it can be seen from the display screen on the operation panel 12 which lithium battery on which clamping component 5 in the placement box 4 has appearance problems.

[0062] It should be noted that in this article, the terms "include", "comprise" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, device, article or method including a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, device, article or method. Without further limitations, an element defined by the statement "including a..." does not exclude the existence of additional identical elements in the process, device, article or method including that element.

[0063] The above are only the preferred embodiments of the present application, and do not limit the patent scope of the present application accordingly. Any equivalent structure or equivalent process transformation made by using the content of the specification and drawings of the present application, or directly or indirectly applied in other related technical fields, shall be included in the patent protection scope of the present application by the same token.

Claims

1. An appearance detection device for a lithium battery, characterized in that, It comprises a box body, a placement plate is provided in the box body, a driving assembly is provided on the placement plate, a limiting assembly is provided on the driving assembly, and a placement box is provided in the limiting assembly; The placement box is provided with a plurality of clamping assemblies, which are evenly distributed on both sides of the placement box, and one end of each clamping assembly passes through the placement box and is connected to a rotating shaft, on which a gear is provided, and the gear is engaged with a rack provided inside the box body; A camera module and a fill light are arranged inside the box above the driving component. The camera module, the fill light, and the driving component are electrically connected to a control box arranged on the placement board. An operation panel is arranged on one side of the box, and the operation panel is electrically connected to the control box.

2. The appearance detection device for a lithium battery according to claim 1, characterized in that The driving assembly includes a motor, a support frame, a first transmission wheel, a second transmission wheel and a belt; Two support frames are provided on the placement plate, and the first transmission wheel and the second transmission wheel are rotatably connected to the two support frames respectively. The first transmission wheel and the second transmission wheel are connected by the belt, and the limiting component is provided on the belt.

3. An appearance detection device for a lithium battery according to claim 2, characterized in that, The limiting assembly includes a limiting plate and a limiting strip. The limiting strips are respectively provided on both sides of the belt, and the limiting plate is provided between the two limiting strips.

4. An appearance detection device for a lithium battery according to claim 1, characterized in that, The clamping assembly includes a clamping block, a prismatic rod, a prismatic sliding groove, and a first spring; The prismatic rod is provided on one side close to the gear, the prismatic rod is slidably provided in the prismatic slot, the first spring is provided between the prismatic rod and the prismatic slot, and the end of the prismatic slot facing away from the clamping block is connected to the rotating shaft.

5. The appearance detection device for a lithium battery according to claim 4, wherein It also includes an adjustment component, the clamping block is provided with a mounting groove, the adjustment component is arranged in the mounting groove, the adjustment component includes a guide groove, a rubber block and a second spring, the clamping block is provided with a plurality of guide grooves, the rubber block is slidably arranged in each guide groove, and the second spring is arranged between the rubber block and the guide groove.

6. The appearance detection device for a lithium battery according to claim 1, characterized in that, It also includes an opening and closing component, which includes a hinge, a box door and a handle. The hinge is provided between the box body and the box door, and the handle is provided on the box door.

7. An appearance detection device for a lithium battery according to claim 2, characterized in that, It also includes an electromagnet, and a plurality of the electromagnets are arranged on the belt, and the electromagnets are electrically connected to the control box.

8. An appearance detection device for a lithium battery according to claim 7, characterized in that, It also includes an infrared sensor and a rectangular block. The infrared sensor is symmetrically arranged on the second transmission wheel. The infrared sensor is electrically connected to the control box. The rectangular block is arranged on the limiting component.

9. The appearance detection device for a lithium battery according to claim 1, wherein, It also includes a three-color indicator light, which is arranged on the box body and is electrically connected to the control box.

10. The appearance detection device for a lithium battery according to claim 9, characterized in that, It also includes a buzzer, which is arranged on the box body and is electrically connected to the control box.