Lithium battery protection board testing device

By designing a lithium battery protection board testing device, and utilizing a combination structure of base, support plate and electric cylinder, the deformation problem of lithium battery protection board during clamping was solved, achieving stable clamping and safe testing.

CN224122715UActive Publication Date: 2026-04-14SHENZHEN YUESONG TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-21
Publication Date
2026-04-14

AI Technical Summary

Technical Problem

The lithium battery protection board is prone to deformation during clamping, which affects product quality and is inconvenient to operate. The existing electric telescopic cylinder clamping method poses safety hazards.

Method used

A lithium battery protection board testing device was designed, which adopts a combination structure of base, support plate, electric cylinder and motor. The fixed plate is moved by the first electric cylinder and motor, and the protection board is clamped by the second electric cylinder to avoid deformation. The rubber pad protects the plate and achieves stable clamping.

Benefits of technology

It achieves stable clamping of the lithium battery protection board, avoids deformation, improves testing efficiency and safety, and facilitates comprehensive testing of the protection board.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a lithium battery protection plate testing device, which relates to the technical field of lithium battery testing devices and comprises a base, a supporting plate fixedly arranged at the top of the base, a top plate fixedly arranged at the top of the supporting plate, a first electric cylinder fixedly arranged on one side of the supporting plate, a moving box fixedly arranged at the moving end of the first electric cylinder, and a motor fixedly arranged on one side of the moving box. A screw is fixedly arranged at the output end of the motor and rotationally connected with the moving box. According to the utility model, the detection plate is arranged at the bottom, the placing plate is used for placing the battery protection plate for protection, and the lithium battery protection plate is clamped and fixed by placing the drive of the electric telescopic cylinder pair, so that the situation that the lithium battery and the protection plate are easy to deform in the clamping process to influence the product quality is avoided; a second electric cylinder is used for controlling a detection plate to abut against the clamped protection plate, in order to conveniently detect all positions of the protection plate, a first electric cylinder and a motor are used for controlling a fixing plate to move, all the positions of the protection plate can be detected, and great convenience is achieved.
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Description

Technical Field

[0001] This utility model relates to the technical field of lithium battery testing devices, specifically to a lithium battery protection board testing device. Background Technology

[0002] Currently, lithium battery protection boards protect the charging and discharging of series-connected lithium battery packs. When fully charged, they can ensure that the voltage difference between individual cells is less than a set value, achieving equal charging of all individual cells in the battery pack and effectively improving the charging method. However, the manual connection of connectors is inconvenient and affects the testing efficiency of lithium battery protection boards.

[0003] In the existing technology, the lithium battery protection board is clamped and fixed by driving an electric telescopic cylinder. As a result, the lithium battery and the protection board are prone to deformation during the clamping process, which can affect the product quality and make it difficult to guarantee the safety of the testers. Therefore, we propose a lithium battery protection board testing device. Utility Model Content

[0004] In view of the problems existing in the above-mentioned lithium battery protection boards, this utility model is proposed.

[0005] Therefore, the purpose of this utility model is to provide a lithium battery protection board testing device, which solves the problem that lithium batteries and protection boards are prone to deformation during clamping, thus affecting product quality.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A lithium battery protection board testing device includes a base, a support plate fixedly mounted on the top of the base, a top plate fixedly mounted on the top of the support plate, a first electric cylinder fixedly mounted on one side of the support plate, a movable box fixedly mounted on the moving end of the first electric cylinder, a motor fixedly mounted on one side of the movable box, a screw threadedly mounted on the output end of the motor, the screw being rotatably connected to the movable box, a movable block fixedly mounted on the wall of the screw, a fixed plate fixedly mounted on the bottom of the movable block, a bolt threadedly mounted on the top of the fixed plate, a placement plate threadedly mounted on one end of the bolt, a placement opening fixedly mounted on the bottom of the base, a second electric cylinder fixedly mounted in the placement opening, and a detection plate fixedly mounted on one end of the second electric cylinder.

[0008] Preferably, a sliding plate is fixedly provided on the top of the mobile box, and a slide rail is fixedly provided on the bottom of the top plate, with the sliding plate and the slide rail slidingly engaged.

[0009] Preferably, a limiting rod is fixedly provided inside the movable box, the limiting rod passes through the movable block and is slidably connected to the movable block.

[0010] Preferably, a fixing rod is fixedly provided on the top of the fixing plate, the fixing rod passes through the fixing plate, and the fixing rod is slidably connected to the placement plate.

[0011] Furthermore, a protective pad is fixed to the bottom of the fixing plate, and the protective pad is a rubber pad.

[0012] Preferably, a support column is fixedly provided at the bottom of the base.

[0013] Preferably, a control panel is fixedly provided on one side wall of the support plate.

[0014] The technical effects and advantages provided by this utility model in the above technical solution are as follows:

[0015] This invention places a detection plate at the bottom and uses a placement plate to hold and protect the battery protection plate. An electric telescopic cylinder is used to drive the clamping mechanism, preventing deformation of the lithium battery and protection plate during clamping and thus ensuring product quality. A second electric cylinder controls the detection plate to hold the clamped protection plate in place. To facilitate detection of various positions on the protection plate, a first electric cylinder and a motor control the movement of the fixing plate, allowing for detection of all positions on the protection plate – a very convenient design. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings.

[0017] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0018] Figure 2 This is a schematic diagram of the first electric cylinder of this utility model;

[0019] Figure 3 This is a schematic diagram of the bottom structure of the fixing plate of this utility model.

[0020] Explanation of reference numerals in the attached figures:

[0021] 1. Base; 2. Support plate; 3. Top plate; 4. First electric cylinder; 5. Moving box; 6. Motor; 7. Screw; 8. Moving block; 9. Fixing plate; 10. Bolt; 11. Placement plate; 12. Placement opening; 13. Second electric cylinder; 14. Detection plate; 15. Slide plate; 16. Slide rail; 17. Limiting rod; 18. Fixing rod; 19. Protective pad; 20. Support column; 21. Control panel. Detailed Implementation

[0022] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.

[0023] This utility model discloses a lithium battery protection board testing device.

[0024] This utility model provides, for example Figure 1-2 The lithium battery protection board testing device shown includes a base 1, a support plate 2 fixedly mounted on the top of the base 1, a top plate 3 fixedly mounted on the top of the support plate 2, a first electric cylinder 4 fixedly mounted on one side of the support plate 2, a movable box 5 fixedly mounted on the moving end of the first electric cylinder 4, a motor 6 fixedly mounted on one side of the movable box 5, a screw 7 fixedly mounted on the output end of the motor 6, the screw 7 being rotatably connected to the movable box 5, a movable block 8 threaded on the wall of the screw 7, a fixed plate 9 fixedly mounted on the bottom of the movable block 8, a bolt 10 threaded on the top of the fixed plate 9, a placement plate 11 threaded on one end of the bolt 10, and a placement opening 12 fixedly opened at the bottom of the base 1. A second electric cylinder 13 is fixedly installed inside the inlet 12. A detection plate 14 is fixedly installed at one end of the second electric cylinder 13. The detection plate 14 is placed at the bottom. The battery protection board is placed on the placement plate 11 for protection. In order to drive the electric telescopic cylinder pair to achieve clamping and fixing of the lithium battery protection board, so as to avoid deformation of the lithium battery and protection board during the clamping process, which would affect the product quality, the second electric cylinder 13 is used to control the detection plate 14 to press against the clamped protection board. In order to facilitate the detection of various positions of the protection board, the first electric cylinder 4 and the motor 6 are used to control the movement of the fixing plate 9 so that various positions of the protection board can be detected.

[0025] For easy movement of the mobile box 5, such as Figure 1 As shown, a sliding plate 15 is fixedly provided on the top of the mobile box 5, and a slide rail 16 is fixedly provided on the bottom of the top plate 3. The sliding plate 15 and the slide rail 16 slide together to facilitate the movement of the mobile box 5.

[0026] In order to make the moving block 8 slide smoothly, such as Figure 1 As shown, a limiting rod 17 is fixedly installed inside the movable box 5. The limiting rod 17 passes through the movable block 8 and is slidably connected to the movable block 8 in order to enable the movable block 8 to slide smoothly.

[0027] In order to protect the lithium battery protection board, such as Figure 1-3 As shown, a fixing rod 18 is fixedly provided on the top of the fixing plate 9. The fixing rod 18 passes through the fixing plate 9 and is slidably connected to the placement plate 11. In order to prevent the placement plate 11 from rotating, a protective pad 19 is fixedly provided at the bottom of the fixing plate 9. The protective pad 19 is a rubber pad to protect the lithium battery protection board.

[0028] Finally, to facilitate support of base 1, such as Figure 1As shown, a support column 20 is fixedly provided at the bottom of the base 1. In order to facilitate the support of the base 1, a control panel 21 is fixedly provided on one side wall of the support plate 2.

[0029] The foregoing description only illustrates certain exemplary embodiments of the present invention. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A lithium battery protection board testing device, comprising a base (1), characterized in that, The base (1) is fixedly provided with a support plate (2) on the top, and a top plate (3) is fixedly provided on the top of the support plate (2). A first electric cylinder (4) is fixedly provided on one side of the support plate (2). A moving box (5) is fixedly provided on the moving end of the first electric cylinder (4). A motor (6) is fixedly provided on one side of the moving box (5). A screw (7) is fixedly provided on the output end of the motor (6). The screw (7) is rotatably connected to the moving box (5). A moving block (8) is threaded on the wall of the screw (7). A fixing plate (9) is fixedly provided at the bottom of the moving block (8). A bolt (10) is threaded on the top of the fixing plate (9). A placement plate (11) is threaded on one end of the bolt (10). A placement opening (12) is fixedly provided at the bottom of the base (1). A second electric cylinder (13) is fixedly provided in the placement opening (12). A detection plate (14) is fixedly provided at one end of the second electric cylinder (13).

2. The lithium battery protection board testing device according to claim 1, characterized in that, The top of the movable box (5) is fixedly provided with a sliding plate (15), and the bottom of the top plate (3) is fixedly provided with a slide rail (16). The sliding plate (15) and the slide rail (16) are slidably engaged.

3. The lithium battery protection board testing device according to claim 1, characterized in that, A limiting rod (17) is fixedly provided inside the movable box (5). The limiting rod (17) passes through the movable block (8) and is slidably connected to the movable block (8).

4. The lithium battery protection board testing device according to claim 1, characterized in that, A fixing rod (18) is fixedly provided on the top of the fixing plate (9). The fixing rod (18) passes through the fixing plate (9) and is slidably connected to the placement plate (11).

5. A lithium battery protection board testing device according to claim 1, characterized in that, The bottom of the fixing plate (9) is fixed with a protective pad (19), which is made of rubber.

6. The lithium battery protection board testing device according to claim 1, characterized in that, The base (1) is fixedly provided with a support column (20) at its bottom.

7. The lithium battery protection board testing device according to claim 1, characterized in that, A control panel (21) is fixedly provided on one side wall of the support plate (2).