Water immersion test device for new energy battery pack

By introducing a vibration mechanism and lifting components into the new energy battery immersion test device, the impact state of the battery in water is simulated, which solves the problem of inaccurate testing of existing devices and realizes the stability and accuracy testing of battery packs.

CN224202654UActive Publication Date: 2026-05-05安徽国轩新能源汽车科技有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
安徽国轩新能源汽车科技有限公司
Filing Date
2025-05-20
Publication Date
2026-05-05

AI Technical Summary

Technical Problem

Existing immersion test devices for new energy batteries cannot simulate the impact conditions that batteries experience in water, resulting in insufficient test accuracy.

Method used

An immersion test device including a vibration mechanism and a lifting component was designed. The vibration mechanism realizes the reciprocating vibration of the battery pack to simulate the impact of water, and the lifting component realizes the full contact between the battery and the water.

Benefits of technology

This improved the contact effect between the battery and water, enhanced the accuracy and stability of the test, and ensured the comprehensive water resistance test of the battery pack.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a water immersion test device of a new energy battery pack, which belongs to the technical field of new energy batteries and comprises a shell, a driving assembly is fixed on the shell, a lifting assembly is connected onto the driving assembly, a movable box is fixed on the lifting assembly, a vibration mechanism is arranged on the movable box, and the vibration mechanism is connected with the lifting assembly. A lifting box capable of placing a battery pack is fixed on the vibration mechanism; wherein the vibration mechanism comprises a rotating motor arranged on the movable box, an output shaft of the rotating motor is fixedly provided with a movable mechanism, and the movable mechanism penetrates to the outer side of the movable box and is fixedly connected with the lifting box. According to the water immersion test device for the new energy battery pack, the whole battery is immersed into water downwards by driving the lifting assembly to operate, and the lifting box is vibrated up and down in a reciprocating manner by arranging the vibration mechanism, so that full contact between the battery and water is facilitated, and the test accuracy of the whole device is improved.
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Description

Technical Field

[0001] This utility model relates to the field of new energy battery technology, specifically to a water immersion test device for a new energy battery pack. Background Technology

[0002] In recent years, the number of electric vehicles in China has grown rapidly, and electric vehicles have become the choice for millions of families to replace gasoline vehicles. At the same time, new energy buses are also occupying an increasingly large share of the bus market. In the future development, electric vehicles still have huge growth potential. However, due to the shortcomings of existing technology, there are still many shortcomings in the development of electric vehicles. Among them, battery issues have become one of the main factors affecting the development of electric vehicles. Due to the instability of the battery itself and the complex working environment of the on-board battery, battery safety is a major issue affecting the development of electric vehicles. Immersion test devices are used when testing new energy batteries.

[0003] For example, Chinese Patent (Announcement No.: CN214309294U) discloses a water immersion test device for a new energy battery pack, belonging to the field of new power battery (pack) and energy storage battery technology. It includes a mobile gantry, a water tank, a battery pack fixing assembly, and a battery pack water immersion lifting assembly. The battery pack is mounted on the battery pack fixing assembly. The battery pack fixing assembly includes two symmetrically arranged vertical support rods, two symmetrically arranged vertical support rods, a horizontal pressure plate, a U-shaped support plate, and a set of battery pack clamping components. This new energy battery pack water immersion test device, through the battery pack fixing assembly, can stably fix the battery pack to the battery pack water immersion lifting assembly. Furthermore, the battery pack water immersion lifting assembly can drive the battery pack to automatically submerge in water for water immersion testing. By completely submerging the battery pack below the water surface, it ensures comprehensive water resistance testing of the battery without any blind spots, thus improving the accuracy of the test data.

[0004] This patent achieves a water immersion test by immersing the new energy battery in water using a lifting component. However, simply submerging the battery in water cannot simulate the impact of water on the battery, which is not conducive to the accuracy of the water immersion test for new energy batteries. Therefore, a water immersion test device for new energy battery packs is proposed to solve the above-mentioned problems. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides a water immersion test device for new energy battery packs, which has advantages such as good test results and solves the problem of inaccurate testing.

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

[0007] A water immersion test device for a new energy battery pack includes a housing, a drive assembly fixed on the housing, a lifting assembly connected to the drive assembly, a movable box fixed on the lifting assembly, a vibration mechanism on the movable box, and a lifting box capable of holding the battery pack fixed on the vibration mechanism.

[0008] The vibration mechanism includes a rotary motor mounted on the movable box. The output shaft of the rotary motor is fixed with a movable mechanism, which extends through to the outside of the movable box and is fixedly connected to the lifting box.

[0009] In this embodiment, the vibration mechanism enables the lifting box to vibrate up and down, simulating the impact of water on the battery pack. This facilitates full contact between the battery and the water, thereby improving the overall accuracy of the test.

[0010] Furthermore, a drive motor is fixed inside the lifting box, a toothed block is fixed at the top of the output shaft of the drive motor, and a clamping assembly that is movably connected to the toothed block is provided inside the lifting box.

[0011] In this embodiment, the drive motor facilitates the driving of the clamping assembly during lifting, thereby clamping the battery pack and ensuring stability during the battery pack testing process.

[0012] Furthermore, the drive assembly includes a support plate fixedly connected to the outside of the housing, a lifting motor fixedly connected to the support plate, and the output end of the lifting motor passing through the housing and extending to the inside of the housing to connect with the lifting assembly.

[0013] In this embodiment, the lifting component moves under the action of the lifting motor, thereby effectively realizing the lifting function.

[0014] Furthermore, the lifting assembly includes a rotating rod fixed to the output shaft of the lifting motor. The two ends of the rotating rod are movably connected to the two sides of the housing. Two drive gears are fixed to the outer side of the rotating rod. A driven gear is meshed at the bottom of the drive gear. A threaded rod that is rotatably connected to the housing is fixed to the bottom of the driven gear. A sleeve is threadedly connected to the outer side of the threaded rod. A connecting block is fixed to the outer side of the sleeve. The side of the connecting block away from the threaded rod is fixedly connected to the movable box.

[0015] In this embodiment, the meshing action facilitates the transmission of rotational force, thereby promoting the stable operation of the lifting assembly. The bottom of the threaded rod is rotatably connected to the outer casing via a bearing, which enhances the stability of the threaded rod's rotation and further improves its operational stability. Furthermore, the threaded connection of the sleeve allows for the lifting and lowering of the sleeve through the force of the threaded connection, thus facilitating the realization of the lifting function.

[0016] Furthermore, the movable mechanism includes a rotating column fixedly connected to the output shaft of the rotary motor and rotatably connected to the movable box. A movable plate is movably connected to the outer side of the rotating column. A lifting rod extending through to the outer side of the movable box is fixed to the bottom of the movable plate. The bottom of the lifting rod is fixed to the lifting box.

[0017] In this embodiment, the coordinated arrangement of the rotating column and the movable plate facilitates the stable lifting and lowering of the lifting rod, thereby promoting the stable adjustment of the lifting box.

[0018] Furthermore, the bottom of the threaded rod is rotatably connected to the housing via a bearing.

[0019] In this embodiment, the bearing effectively enables the threaded rod to rotate stably on the housing, further improving the stability of the entire lifting process.

[0020] Furthermore, a wave-shaped sliding channel is provided on the outer side of the rotating column, and a sliding column extending to the back side is fixed on the front side of the movable plate. The movable plate is slidably connected to the rotating column through the sliding column in the sliding channel.

[0021] In this embodiment, the sliding direction of the sliding column is controlled by setting up a sliding channel, which is beneficial to the realization of the lifting function.

[0022] Furthermore, limit blocks are fixed on both sides of the movable plate, and limit channels are opened on the inner walls of both sides of the movable box, with the limit blocks and limit channels slidably connected.

[0023] In this embodiment, the combination of the limiting channel and the limiting block facilitates the stable lifting and lowering of the lifting rod, which in turn facilitates the stable adjustment of the lifting box.

[0024] Furthermore, the clamping assembly includes two slides fixed to the bottom inside the lifting box, a sliding block movably connected to the top of the slides, a toothed plate that meshes with the toothed block fixed to the top of the sliding block, a clamping plate fixed to the side of the toothed plate away from the toothed block, and multiple rollers provided on the upper surface of the toothed plate.

[0025] In this embodiment, the meshing action drives the toothed plate to move and the rollers to cooperate, thereby clamping the two side plates towards the center, thus achieving a fixed effect on the battery pack and improving the stability of the battery pack's test process.

[0026] Furthermore, a sliding opening is provided on the top of the slide block, and the sliding block is slidably connected to the slide block through the sliding opening.

[0027] In this embodiment, the sliding port design improves the stability of the sliding block, thereby enhancing the overall stability of the component's operation and ultimately improving its performance.

[0028] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0029] The immersion test device for this new energy battery pack locks and secures the battery by driving the clamping component through the action component. The lifting component is driven by the lifting motor to immerse the entire battery in water. The vibration mechanism enables the lifting box to vibrate up and down, which helps to achieve full contact between the battery and the water, thereby improving the accuracy of the overall device test. Attached Figure Description

[0030] Figure 1 This is a schematic diagram of the structure of this utility model;

[0031] Figure 2 This is a schematic diagram of the clamping assembly structure of this utility model;

[0032] Figure 3 This is a perspective view of the lifting box of this utility model;

[0033] Figure 4 This is a top view of the two toothed plates of this utility model arranged in an alternating manner.

[0034] In the diagram: 1. Outer shell, 2. Lifting motor, 3. Rotating rod, 4. Drive gear, 5. Driven gear, 6. Threaded rod, 7. Sleeve, 8. Connecting block, 9. Movable box, 10. Rotary motor, 11. Rotating column, 12. Movable plate, 13. Lifting rod, 14. Lifting box, 15. Drive motor, 16. Tooth block, 17. Clamping assembly, 18. Sliding channel, 19. Limiting block, 20. Roller, 1701. Slide seat, 1702. Sliding block, 1703. Tooth plate, 1704. Clamping plate. Detailed Implementation

[0035] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0036] Please see Figure 1The water immersion test device for a new energy battery pack in this embodiment includes a housing 1. A drive assembly is fixed on the right side of the housing 1. A lifting assembly is connected to the drive assembly. The drive assembly includes a support plate fixedly connected to the outside of the housing 1. A lifting motor 2 is fixedly connected to the support plate. The left side of the output shaft of the lifting motor 2 passes through the housing 1 and extends to the inside of the housing 1 to connect with the lifting assembly.

[0037] It is understandable that the lifting assembly facilitates the lifting function of the lifting box 14, thereby enabling complete immersion of the battery, which in turn facilitates the stable conduct of the test and the completion of the test.

[0038] It should be noted that a movable box 9 is fixed on the lifting assembly, and a vibration mechanism extending to the outside of the movable box 9 is provided on the movable box 9. A lifting box 14 for placing a battery pack is fixed on the vibration mechanism. The vibration mechanism includes a rotary motor 10 mounted on the movable box 9. A movable mechanism is fixed to the output shaft of the rotary motor 10. The movable mechanism extends to the outside of the movable box 9 and is fixedly connected to the lifting box 14. A drive motor 15 is fixed to the inside of the lifting box 14. A toothed block 16 is fixed to the top of the output shaft of the drive motor 15. A clamping assembly 17 movably connected to the toothed block 16 is provided on the top of the lifting box 14.

[0039] It is also understandable that the vibration mechanism helps to vibrate the battery, thereby increasing the battery's contact with water, improving the stability of the test results, and ultimately improving the overall accuracy of use.

[0040] The lifting assembly includes a rotating rod 3 fixed to the left side of the output shaft of the lifting motor 2. The two ends of the rotating rod 3 are movably connected to the two sides of the housing 1. The left side of the housing 1 has a rotating port, and the left end bearing of the rotating rod 3 is installed in the rotating port, thereby rotatably connecting with the left side of the housing 1. Through the movable connection with the left side of the housing 1, the right side of the rotating rod 3 is installed in the rotating port on the right side of the housing 1 through a bearing, thereby facilitating connection with the output shaft of the lifting motor 2.

[0041] The design of two rotating ports improves the stability of the rotation of the rotating rod 3, thereby enhancing the overall stability of the device.

[0042] Two drive gears 4 are fixed on the outside of the rotating rod 3. A driven gear 5 is meshed at the bottom of the drive gear 4. A threaded rod 6 that is rotatably connected to the outer casing 1 is fixed at the bottom of the driven gear 5. The bottom of the threaded rod 6 is rotatably connected to the outer casing 1 through a bearing.

[0043] It is easy to see that the meshing action facilitates the transmission of rotational force, which in turn promotes the stable operation of the lifting assembly. The bottom of the threaded rod 6 is rotatably connected to the outer casing 1 through a bearing, which improves the stability of the rotation of the threaded rod 6 and further enhances its stability in use.

[0044] A sleeve 7 is threadedly connected to the outer side of the threaded rod 6. A connecting block 8 is fixed to the outer side of the sleeve 7. A movable box 9 is fixed to the side of the connecting block 8 away from the threaded rod 6.

[0045] It can also be seen that the threaded connection of sleeve 7 facilitates the lifting and lowering of sleeve 7 by the action of thread force, thereby facilitating the realization of the lifting function.

[0046] The movable mechanism includes a rotating column 11 that is fixedly connected to the output shaft of the rotary motor 10 and rotatably connected to the movable box 9. Rotation of the rotary motor 10 facilitates the rotation of the rotating column 11, thereby promoting stable operation of the component and ensuring the stable implementation of the vibration function.

[0047] A movable plate 12 is movably connected to the outer side of the rotating column 11. A wave-shaped sliding channel 18 is opened on the outer side of the rotating column 11. A sliding column extending to the back side of the movable plate 12 is fixed to the front side. Figure 1 (Not shown in the image), the movable plate 12 is mounted on the sliding channel 18 and slidably connected to the rotating column 11 via a sliding column.

[0048] Furthermore, the sliding channel 18 facilitates the stable sliding of the sliding column and enables control over the sliding direction of the sliding column, thereby facilitating the lifting function.

[0049] It should be noted that a lifting rod 13 is fixed at the bottom of the movable plate 12, extending through to the outside of the movable box 9. Limiting blocks 19 are fixed on both the left and right sides of the movable plate 12. Limiting channels are opened on the inner walls of both the left and right sides of the movable box 9. The limiting blocks 19 are slidably connected to the limiting channels. The bottom of the lifting rod 13 is fixed to the lifting box 14.

[0050] In this embodiment, the combination of the limiting channel and the limiting block 19 facilitates the stable lifting and lowering of the lifting rod 13, which in turn facilitates the stable adjustment of the lifting box 14, thereby improving the stability of the device and enhancing the overall performance. The lifting assembly enables battery immersion, and the clamping assembly 17 and the vibration mechanism ensure stable vibration of the battery in water, thus improving the testing results for the battery and enhancing the overall performance of the device.

[0051] Please see Figures 2 to 3To ensure the stability of the battery during the test, the clamping assembly 17 in this embodiment includes a slide 1701 fixed to the bottom inside the lifting box 14. A sliding block 1702 is movably connected to the top of the slide 1701, and a sliding opening is provided on the top of the slide 1701.

[0052] It should also be noted that the sliding port design improves the stability of the sliding block 1702, thereby enhancing the overall stability of the component's operation and ultimately improving its performance.

[0053] Sliding block 1702 is slidably connected to slide base 1701 through sliding port. Please refer to [link / reference]. Figure 2 and Figure 4 The top of the sliding block 1702 is fixed with a toothed plate 1703 that meshes with the toothed block 16. The toothed plate 1703 is L-shaped and has teeth on its inner side. The teeth of the two toothed plates 1703 mesh with the two sides of the toothed block 16 respectively. A clamping plate 1704 is fixed on the side of the toothed plate 1703 away from the toothed block 16.

[0054] In this embodiment, the drive motor 15 drives the tooth block 16 to rotate, and the meshing action drives the tooth plate 1703 to move, thereby clamping the clamping plates 1704 on both sides towards the center, thus achieving the effect of fixing the battery pack, which is beneficial to the stability of the battery pack test project.

[0055] Additionally, in this embodiment, please refer to Figure 4 Multiple rollers 20 are provided on the upper surface of the toothed plate 1703. The rollers 20 are provided to prevent large friction caused by the direct sliding between the battery pack and the toothed plate 1703 when the battery pack is clamped to the middle by the clamping plates 1704 on both sides.

[0056] Understandably, the clamping assembly 17 helps to secure the battery, thereby improving the stability of the device.

[0057] All electrical components mentioned in this article are electrically connected to the controller and power supply. The control method of this utility model is controlled by the controller. The control circuit of the controller can be implemented by simple programming by those skilled in the art. The power supply is also common knowledge in the art. Furthermore, this utility model is mainly used to protect mechanical devices, so the control method and circuit connection will not be explained in detail.

[0058] The working principle of the above embodiments is as follows:

[0059] The new energy battery to be tested is placed in the lifting box 14. The drive motor 15 is started, driving the toothed block 16 to rotate. Through meshing, the toothed plate 1703 is displaced, thereby achieving the relative displacement of the clamping plate 1704, thus clamping the new energy battery pack. By starting the lifting motor 2, the driven gear 5 is driven to rotate through meshing, thereby rotating the threaded rod 6. Through the threaded connection, the sleeve 7 is raised and lowered. Through the fixing action, the movable box 9 and the lifting box 14 are raised and lowered. Through the raising and lowering action, the lifting box 14 is lowered until it is completely immersed in the external water tank. Then, the rotary motor 10 is started. Through the sliding channel and the sliding connection with the movable plate 12, the movable plate 12 is raised and lowered, thereby achieving the raising and lowering vibration of the lifting box 14. This ensures that the battery pack is in complete contact with the water, improving the contact effect between the battery and the water, simulating the impact state of the battery pack on the water, which is conducive to improving the overall test effect.

[0060] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0061] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention.

Claims

1. A water immersion test device for a new energy battery pack, characterized in that: Includes a housing (1), on which a drive assembly is fixed, on which a lifting assembly is connected, on which a movable box (9) is fixed, on which a vibration mechanism is provided, and on which a lifting box (14) capable of holding a battery pack is fixed; The vibration mechanism includes a rotary motor (10) mounted on the movable box (9). The output shaft of the rotary motor (10) is fixed with a movable mechanism, which extends through to the outside of the movable box (9) and is fixedly connected to the lifting box (14).

2. The immersion test device for a new energy battery pack according to claim 1, characterized in that: A drive motor (15) is fixed inside the lifting box (14), and a toothed block (16) is fixed at the top of the output shaft of the drive motor (15). A clamping assembly (17) that is movably connected to the toothed block (16) is provided inside the lifting box (14).

3. The immersion test device for a new energy battery pack according to claim 1, characterized in that: The drive assembly includes a support plate fixedly connected to the outside of the housing (1), and a lifting motor (2) is fixedly connected to the support plate. The output end of the lifting motor (2) passes through the housing (1) and extends to the inside of the housing (1) to connect with the lifting assembly.

4. The immersion test device for a new energy battery pack according to claim 3, characterized in that: The lifting assembly includes a rotating rod (3) fixed to the output shaft of the lifting motor (2). The two ends of the rotating rod (3) are movably connected to the two sides of the outer shell (1). Two drive gears (4) are fixed on the outer side of the rotating rod (3). A driven gear (5) meshes with the bottom of the drive gear (4). A threaded rod (6) rotatably connected to the outer shell (1) is fixed on the bottom of the driven gear (5). A sleeve (7) is threadedly connected to the outer side of the threaded rod (6). A connecting block (8) is fixed on the outer side of the sleeve (7). The side of the connecting block (8) away from the threaded rod (6) is fixedly connected to the movable box (9).

5. The immersion test apparatus for a new energy battery pack according to any one of claims 1-4, characterized in that: The movable mechanism includes a rotating column (11) that is fixedly connected to the output shaft of a rotary motor (10) and rotatably connected to a movable box (9). A movable plate (12) is movably connected to the outside of the rotating column (11). A lifting rod (13) that extends through to the outside of the movable box (9) is fixed to the bottom of the movable plate (12). The bottom of the lifting rod (13) is fixed to the lifting box (14).

6. The immersion test device for a new energy battery pack according to claim 4, characterized in that: The bottom of the threaded rod (6) is rotatably connected to the housing (1) via a bearing.

7. The immersion test device for a new energy battery pack according to claim 5, characterized in that: The outer side of the rotating column (11) is provided with a wave-shaped sliding channel (18), and the front of the movable plate (12) is fixed with a sliding column extending to its back side. The movable plate (12) is installed in the sliding channel (18) and slidably connected to the rotating column (11) through the sliding column.

8. The immersion test device for a new energy battery pack according to claim 7, characterized in that: Limiting blocks (19) are fixed on both sides of the movable plate (12), and limiting channels are opened on the inner walls of both sides of the movable box (9). The limiting blocks (19) are slidably connected to the limiting channels.

9. The immersion test device for a new energy battery pack according to claim 2, characterized in that: The clamping assembly (17) includes two slides (1701) fixed to the bottom inside the lifting box (14). A sliding block (1702) is movably connected to the top of the slide (1701). A toothed plate (1703) that meshes with the toothed block (16) is fixed to the top of the sliding block (1702). A clamping plate (1704) is fixed to the side of the toothed plate (1703) away from the toothed block (16). A plurality of rollers (20) are provided on the upper surface of the toothed plate (1703).

10. The immersion test device for a new energy battery pack according to claim 9, characterized in that: The top of the slide block (1701) is provided with a sliding opening, and the sliding block (1702) is slidably connected to the slide block (1701) through the sliding opening.

Citation Information

Patent Citations

  • Water immersion test device for new energy battery pack

    CN214309294U