Finished battery defect detection device
By designing an automated defect detection device for finished lithium batteries, the automatic transportation and detection of the battery pack is achieved using transmission belts and electric push rods, combining hot air fans and cameras to simulate temperature and check appearance, the low efficiency and safety of manual detection in the prior art are solved. The risk issue has achieved an efficient and safe detection process.
Patent Information
- Application Number
- CN202420294890.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-18
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-02-18
AI Technical Summary
The existing defect detection device for finished lithium batteries requires manual handling and rotation of the staff, resulting in low detection efficiency and explosion risk, endangering personal safety.
A detection device including a chassis, transmission belt, installation table, test box and hot air fan is designed. The automatic transmission belt and electric push rod is used to realize the automatic transportation and detection of the battery pack. The hot air fan is used to simulate different temperature environments and use the camera to check. The size and appearance of the battery ensures safety and efficiency.
It realizes automatic detection of the battery pack, improves detection efficiency, reduces personal safety risks, and ensures the accuracy and safety of detection.
Smart Images

Figure CN222259396U_ABST
Abstract
Description
Technical Field
[0001] The present application belongs to the technical field of battery pack detection, and specifically relates to a battery product defect detection device. Background Art
[0002] Before lithium battery packs leave the factory, they need to be tested to control product quality. Generally, the finished product inspection will test the voltage and capacity, check the size and appearance, and test the safety performance of the battery under abnormal conditions such as overcharge, over discharge, high temperature, short circuit, etc. to ensure that it will not cause fire, explosion and other dangerous situations.
[0003] The lithium battery product defect detection devices currently on the market can detect lithium battery packs before they leave the factory, but this type of test often requires workers to manually carry, install and rotate the test, resulting in poor detection efficiency. If an explosion occurs during the test, it will also endanger the personal safety of personnel. Utility Model Content
[0004] The purpose of the present application is to provide a battery product defect detection device to solve the problem that the battery product defect detection device proposed above requires manual handling, installation and rotation for detection by staff, resulting in poor detection efficiency, and if an explosion occurs during the detection, it will also endanger the safety of personnel.
[0005] The technical solution adopted in the present application is as follows: A battery finished product defect detection device comprises a chassis, a conveyor belt is installed on the top of the chassis, a mounting table is fixedly installed on the top of the chassis and located at the right end of the conveyor belt, a display is fixedly installed on the top of the mounting table, a test box is fixedly installed on the left end of the mounting table, a charging connector is fixedly connected to the side end of the mounting table and located inside the test box, a discharging connector is fixedly connected to the side end of the mounting table and located inside the test box, a front discharging electric push rod is fixedly installed on the side end of the mounting table and located inside the test box, a front electric push rod is fixedly installed on the top of the chassis and located at the left end of the conveyor belt, a hot air blower is fixedly installed on the side end of the mounting table, and a heating air outlet is opened at the front side end of the test box.
[0006] By adopting the above technical solution, the top of the chassis is used to install the lithium battery pack test equipment, and the conveyor belt is located in the middle of the top of the chassis, which is used to automatically transport the battery pack that needs to be tested. The surface of the chassis and the left and right ends of the conveyor belt are provided with a battery pack transfer device, wherein the front electric push rod is used to push the battery pack from the surface of the conveyor belt to the test box at the side end of the installation table, and the front discharge electric push rod at the side end of the installation table is used to push the battery pack after testing in the test box to the conveyor belt. The battery pack pushed into the test box can be charged through the charging connector to test the capacitance of the battery pack, and the battery pack can be discharged through the discharge connector. The cycle life test can be performed through multiple cycles of charge and discharge. The hot air blower installed on the side end of the installation table can send heated air into the interior of the test box through the heating vent opened at the front end of the test box to simulate the safety performance of the battery pack under different temperature environments.
[0007] In a preferred embodiment, a screw rod is rotatably connected to the left side of the front end of the test box, a motor is fixedly connected to the top of the screw rod, and a connecting block is threadedly connected to the side end of the screw rod.
[0008] By adopting the above technical solution, the starting motor can drive the screw at the side end of the test box to rotate, and then drive the insulation board at the side end of the connecting block to move up and down at the left end of the test box. When the battery pack needs to be delivered to the interior of the test box, the motor can be started to move the insulation board upward. When the temperature needs to be controlled for testing, the insulation board can be lowered. The insulation board can insulate the interior of the test box, making it convenient to increase the temperature inside the test box.
[0009] In a preferred embodiment, a heat insulating plate is fixedly connected to a side end of the connection block, a sliding rod is slidably connected to the other end of the heat insulating plate away from the connection block, and a sliding rod is fixedly connected to the right side of the rear end of the test box.
[0010] By adopting the above technical solution, when the heat insulation board moves up and down, it can slide up and down on the surface of the slide bar. The slide bar can improve the stability of the heat insulation board when it moves up and down, and play a limiting role.
[0011] In a preferred embodiment, a thermometer is fixedly installed inside the heat insulation board.
[0012] By adopting the above technical solution, the thermometer is used to detect the temperature inside the test box, which makes it convenient for staff who observe from the outside to control the temperature inside the test box.
[0013] In a preferred embodiment, a rear electric push rod is installed on the top of the chassis and at the rear end of the front electric push rod, a rear discharging electric push rod is fixedly installed on the left end of the mounting platform and on a side close to the rear electric push rod, and an electric turntable is fixedly installed on the top of the chassis and at the side end of the rear discharging electric push rod.
[0014] By adopting the above technical solution, after the battery pack is tested in the test box, it can be transported to the next testing location through the conveyor belt, and the battery pack on the conveyor belt can be pushed to the electric turntable on the surface of the chassis by the rear electric push rod. The rear discharge electric push rod can push the battery pack tested on the electric turntable surface to the conveyor belt surface to end the test.
[0015] In a preferred embodiment, a mounting rod is fixedly mounted on the top of the chassis and located at the side end of the electric turntable, and a camera is mounted on the top of the mounting rod.
[0016] By adopting the above technical solution, the mounting rod is used to install the camera. When the electric turntable is started, the battery pack on the surface of the electric turntable can be driven to rotate, so that the camera can conveniently check the size, shape and appearance of the battery to ensure that it meets the design requirements and eliminate any defects or damage.
[0017] In a preferred embodiment, a console is fixedly mounted on the front end of the chassis, and a bracket is fixedly connected to the bottom of the chassis.
[0018] By adopting the above technical solution, the console can facilitate the staff to operate the equipment, and the bracket is used to support the chassis to improve the stability of the device.
[0019] In a preferred embodiment, the left end of the chassis is rotatably connected to a cabinet door, and a door handle is fixedly connected to the surface of the cabinet door.
[0020] By adopting the above technical solution, the door handle can be convenient for the staff to hold and turn the cabinet door, and the cabinet door can be opened for maintenance and repair of equipment.
[0021] In summary, due to the adoption of the above technical solution, the beneficial effects of this application are:
[0022] In the present application, the top of the chassis is used to install lithium battery pack testing equipment, and the conveyor belt is located in the middle of the top of the chassis, which is used to automatically transport the battery pack that needs to be tested. The surface of the chassis and the left and right ends of the conveyor belt are provided with a transfer device for the battery pack, wherein the front electric push rod is used to push the battery pack from the surface of the conveyor belt to the test box at the side end of the mounting table, and the front discharge electric push rod at the side end of the mounting table is used to push the battery pack after testing in the test box to the conveyor belt. The battery pack pushed into the test box can be connected to the charging connector for charging, which is used to test the capacitance of the battery pack. The battery pack can be discharged and tested through the discharge connector, and the cycle life test can be performed through multiple cycles of charge and discharge.
[0023] The hot air blower installed on the side of the mounting table can send heated air into the test box through the heating vents opened at the front end of the test box to simulate the safety performance of the battery pack under different temperature environments. The starting motor can drive the screw at the side of the test box to rotate, and then drive the insulation board at the side of the connecting block to move up and down at the left end of the test box. When the battery pack needs to be sent into the inside of the test box, the motor can be started to move the insulation board upward. When the temperature needs to be controlled for testing, the insulation board can be lowered. The insulation board can keep the inside of the test box warm, which is convenient for increasing the temperature in the test box. When the insulation board moves up and down, it can slide up and down on the surface of the slide bar. The slide bar can improve its stability when the insulation board moves up and down, and play a limiting role. After the battery pack is tested in the test box, it can be transported to the next test location through the conveyor belt. Under the push of the rear electric push rod, the battery pack on the conveyor belt can be pushed to the electric turntable on the surface of the chassis. The rear discharge electric push rod can push the battery pack after the electric turntable surface is tested to the conveyor belt surface to end the test. When the electric turntable is started, the battery pack on the surface of the electric turntable can be driven to rotate, which can facilitate the camera to check the size, shape and appearance of the battery to ensure that it meets the design requirements and eliminates any defects or damage. This device can automatically transport and perform multiple tests on the battery pack, improve the inspection efficiency, and protect the personal safety of the inspectors. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] Figure 1 This is a schematic diagram of the overall structure of a battery product defect detection device in this application;
[0025] Figure 2 It is a schematic diagram of the structure of the detection device in this application;
[0026] Figure 3 This is a schematic diagram of the internal structure of the test box in this application;
[0027] Figure 4 This is a diagram of the insulation board and some of its adjacent structures in this application.
[0028] Markings in the figure: 1. Chassis; 2. Bracket; 3. Cabinet door; 4. Door handle; 5. Control console; 6. Conveyor belt; 7. Front electric push rod; 8. Rear electric push rod; 9. Mounting table; 10. Display; 11. Test box; 12. Hot air blower; 13. Charging connector; 14. Discharging connector; 15. Front discharge electric push rod; 16. Rear discharge electric push rod; 17. Mounting rod; 18. Camera; 19. Sliding rod; 20. Heating air outlet; 21. Screw; 22. Motor; 23. Connecting block; 24. Heat insulation board; 25. Thermometer; 26. Electric turntable. DETAILED DESCRIPTION
[0029] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be clearly and completely described below in combination with the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.
[0030] Example:
[0031] Reference Figure 1-3 A battery product defect detection device includes a chassis 1, a conveyor belt 6 is installed on the top of the chassis 1, a mounting table 9 is fixedly installed on the top of the chassis 1 and located at the right end of the conveyor belt 6, a display 10 is fixedly installed on the top of the mounting table 9, a test box 11 is fixedly installed on the left end of the mounting table 9, a charging connector 13 is fixedly connected to the side end of the mounting table 9 and located inside the test box 11, a discharge connector 14 is fixedly connected to the side end of the mounting table 9 and located inside the test box 11, a front discharge electric push rod 15 is fixedly installed on the side end of the mounting table 9 and located inside the test box 11, a front electric push rod 7 is fixedly installed on the top of the chassis 1 and located at the left end of the conveyor belt 6, a hot air blower 12 is fixedly installed on the side end of the mounting table 9, and a heating air outlet 20 is opened at the front side end of the test box 11. The top of the chassis 1 is used to install lithium battery pack testing equipment, and the conveyor belt 6 is located in the middle of the top of the chassis 1, which is used to automatically transport the battery pack that needs to be tested. A transfer device for the battery pack is provided on the surface of the chassis 1 and at the left and right ends of the conveyor belt 6, wherein the front electric push rod 7 is used to push the battery pack from the surface of the conveyor belt 6 to the test box 11 at the side end of the mounting platform 9, and the front discharge electric push rod 15 at the side end of the mounting platform 9 is used to push the battery pack after testing in the test box 11 to the conveyor belt 6. The battery pack pushed into the test box 11 can be charged through the charging connector 13 to test the capacitance of the battery pack, and the battery pack can be discharged and tested through the discharge connector 14, and the cycle life test can be performed through multiple cycles of charging and discharging. The hot air blower 12 installed on the side end of the mounting platform 9 can send heated air into the interior of the test box 11 through the heating air outlet 20 opened at the front end of the test box 11 to simulate the safety performance of the battery pack under different temperature environments. 10 can display the test results.
[0032] Reference Figure 3 and Figure 4The left side of the front end of the test box 11 is rotatably connected with a screw rod 21, the top of the screw rod 21 is fixedly connected with a motor 22, and the side end of the screw rod 21 is threadedly connected with a connecting block 23. Starting the motor 22 can drive the screw rod 21 at the side end of the test box 11 to rotate, thereby driving the heat insulation board 24 at the side end of the connecting block 23 to move up and down at the left end of the test box 11. When it is necessary to deliver the battery pack into the interior of the test box 11, the motor 22 can be started to move the heat insulation board 24 upward. When it is necessary to control the temperature for testing, the heat insulation board 24 can be lowered. The heat insulation board 24 can keep the interior of the test box 11 warm, which is convenient for increasing the temperature in the test box 11.
[0033] Reference Figure 3 and Figure 4 The side end of the connection block 23 is fixedly connected with a heat insulating plate 24, and the other end of the heat insulating plate 24 away from the connection block 23 is slidably connected with a slide bar 19, and the right side of the rear end of the test box 11 is fixedly connected with the slide bar 19. When the heat insulating plate 24 moves up and down, it can slide up and down on the surface of the slide bar 19, and the slide bar 19 can improve its stability when the heat insulating plate 24 moves up and down, and play a limiting role.
[0034] Reference Figure 4 A thermometer 25 is fixedly installed inside the heat insulation board 24. The thermometer 25 is used to detect the temperature inside the test box 11, which is convenient for the staff who observe from the outside to control the temperature inside the test box 11.
[0035] Reference Figure 1 and Figure 2 , a rear electric push rod 8 is installed on the top of the chassis 1 and at the rear end of the front electric push rod 7, a rear discharge electric push rod 16 is fixedly installed on the left end of the mounting platform 9 and close to the side of the rear electric push rod 8, and an electric turntable 26 is fixedly installed on the top of the chassis 1 and at the side end of the rear discharge electric push rod 16. After the battery pack is tested at the test box 11, it can be transported to the next testing location through the conveyor belt 6, and the battery pack on the conveyor belt 6 can be pushed to the electric turntable 26 on the surface of the chassis 1 under the push of the rear electric push rod 8. The rear discharge electric push rod 16 can push the battery pack tested on the surface of the electric turntable 26 to the surface of the conveyor belt 6 to end the test.
[0036] Reference Figure 2 A mounting rod 17 is fixedly mounted on the top of the chassis 1 and located at the side end of the electric turntable 26, and a camera 18 is mounted on the top of the mounting rod 17. The mounting rod 17 is used to mount the camera 18. When the electric turntable 26 is started, the battery pack on the surface of the electric turntable 26 can be driven to rotate, which can facilitate the camera 18 to check the size, shape and appearance of the battery to ensure that it meets the design requirements and eliminate any defects or damage.
[0037] Reference Figure 1The front end of the chassis 1 is fixedly mounted with a console 5, and the bottom of the chassis 1 is fixedly connected to the bracket 2. The console 5 can facilitate the staff to operate the equipment, and the bracket 2 is used to support the chassis 1 to improve the stability of the device.
[0038] Reference Figure 1 The left end of the chassis 1 is rotatably connected to a cabinet door 3, and a door handle 4 is fixedly connected to the surface of the cabinet door 3. The door handle 4 can be convenient for a staff member to hold and rotate the cabinet door 3, and opening the cabinet door 3 can be used for maintenance and repair of equipment.
[0039] The implementation principle of the embodiment of the battery product defect detection device of the present application is as follows: the top of the chassis 1 is used to install the lithium battery pack test equipment, and the conveyor belt 6 is located in the middle of the top of the chassis 1, which is used to automatically transport the battery pack to be tested. The surface of the chassis 1 and the left and right ends of the conveyor belt 6 are provided with a battery pack transfer device, wherein the front electric push rod 7 is used to push the battery pack from the surface of the conveyor belt 6 to the test box 11 at the side end of the mounting table 9, and the front discharge electric push rod 15 at the side end of the mounting table 9 is used to push the battery pack after testing in the test box 11 to the conveyor belt 6. The battery pack pushed into the test box 11 can be connected to the charging connector 13 for charging, which is used to test the capacitance of the battery pack, and the battery pack can be discharged through the discharge connector 14. The cycle life test can be performed through multiple cycles of charging and discharging. The hot air blower 12 installed at the side end of the mounting table 9 can send a heated air flow into the interior of the test box 11 through the heating air outlet 20 opened at the front end of the test box 11, which is used to simulate the safety performance of the battery pack under different temperature environments. Starting the motor 22 can drive the screw 21 at the side end of the test box 11 to rotate, and then drive the insulation board 24 at the side end of the connecting block 23 to move up and down at the left end of the test box 11. When the battery pack needs to be delivered to the interior of the test box 11, the motor 22 can be started to move the insulation board 24 upward. When the temperature needs to be controlled for testing, the insulation board 24 can be lowered. The insulation board 24 can insulate the interior of the test box 11, thereby facilitating the increase of the temperature inside the test box 11.
[0040] When the heat insulation board 24 moves up and down, it can slide up and down on the surface of the slide bar 19. The slide bar 19 can improve the stability of the heat insulation board 24 when it moves up and down, and play a limiting role. After the battery pack is tested at the test box 11, it can be transported to the next test location through the conveyor belt 6. Under the push of the rear electric push rod 8, the battery pack on the conveyor belt 6 can be pushed to the electric turntable 26 on the surface of the chassis 1. The rear discharge electric push rod 16 can push the battery pack after the surface of the electric turntable 26 is tested to the surface of the conveyor belt 6 to end the test. When the electric turntable 26 is started, the battery pack on the surface of the electric turntable 26 can be driven to rotate, which can facilitate the camera 18 to check the size, shape and appearance of the battery to ensure that it meets the design requirements and eliminates any defects or damage. This device can automatically transport and perform multiple tests on the battery pack, improve the detection efficiency, and protect the personal safety of the inspectors.
[0041] The above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present application.
Claims
1. A battery product defect detection device, comprising a chassis (1), characterized in that: A conveyor belt (6) is installed on the top of the chassis (1); a mounting platform (9) is fixedly installed on the top of the chassis (1) and located at the right end of the conveyor belt (6); a display (10) is fixedly installed on the top of the mounting platform (9); a test box (11) is fixedly installed on the left end of the mounting platform (9); a charging connector (13) is fixedly connected to the side end of the mounting platform (9) and located inside the test box (11); a discharge connector (14) is fixedly connected to the side end of the mounting platform (9) and located inside the test box (11); a front discharge electric push rod (15) is fixedly installed on the side end of the mounting platform (9) and located inside the test box (11); a front electric push rod (7) is fixedly installed on the top of the chassis (1) and located at the left end of the conveyor belt (6); a hot air blower (12) is fixedly installed on the side end of the mounting platform (9); and a heating air outlet (20) is opened at the front side end of the test box (11).
2. A battery product defect detection device as claimed in claim 1, characterized in that: A screw rod (21) is rotatably connected to the left side of the front end of the test box (11), a motor (22) is fixedly connected to the top of the screw rod (21), and a connecting block (23) is threadedly connected to the side end of the screw rod (21).
3. A battery product defect detection device as claimed in claim 2, characterized in that: A heat insulating plate (24) is fixedly connected to the side end of the connection block (23); a sliding rod (19) is slidably connected to the other end of the heat insulating plate (24) away from the connection block (23); and a sliding rod (19) is fixedly connected to the right side of the rear end of the test box (11).
4. A battery product defect detection device as claimed in claim 3, characterized in that: A thermometer (25) is fixedly installed inside the heat insulation board (24).
5. A battery product defect detection device as claimed in claim 1, characterized in that: A rear electric push rod (8) is installed on the top of the chassis (1) and at the rear end of the front electric push rod (7); a rear discharge electric push rod (16) is fixedly installed on the left end of the mounting platform (9) and close to the side of the rear electric push rod (8); and an electric turntable (26) is fixedly installed on the top of the chassis (1) and at the side end of the rear discharge electric push rod (16).
6. A battery product defect detection device as claimed in claim 1, characterized in that: A mounting rod (17) is fixedly mounted on the top of the chassis (1) and located at the side end of the electric turntable (26), and a camera (18) is mounted on the top of the mounting rod (17).
7. A battery product defect detection device as claimed in claim 1, characterized in that: A console (5) is fixedly mounted on the front end of the chassis (1), and a bracket (2) is fixedly connected to the bottom of the chassis (1).
8. A battery product defect detection device as claimed in claim 1, characterized in that: The left end of the chassis (1) is rotatably connected to a cabinet door (3), and a door handle (4) is fixedly connected to the surface of the cabinet door (3).