Device capable of improving stability of internal structure of battery

Abstract

The utility model discloses a device capable of improving the stability of the internal structure of a battery, which relates to the technical field of battery safety and comprises an auxiliary plate, positive and negative lug hole positions are symmetrically arranged on the left side and the right side of the front end of the auxiliary plate, and square damping bumps are symmetrically fixed at the upper end and the lower end of the auxiliary plate. A side plate is fixed to the end, away from the auxiliary plate, of the square damping protruding block. The short-circuit risk is reduced through the auxiliary plate, heat generated by the anode and cathode assemblies and transferred into the battery can be reduced, and the stability of the battery is improved; positive and negative electrode holes can limit positive and negative tabs, so that the risks of irregular bending and repeated bending fracture of the tabs in the process are reduced, and the unsoldering is avoided; the square damping convex blocks are used for absorbing external vibration and impact; the conical hole is used for absorbing impact, and meanwhile it is guaranteed that pressure can be normally released from the anti-explosion valve when the battery fails.

Description

Technical Field

[0001] This utility model relates to the field of battery safety technology, specifically a device that can improve the stability of the internal structure of a battery. Background Technology

[0002] With the increasing demand for portable electronic devices, electric vehicles, and energy storage systems, batteries face higher requirements for safety, stability, and energy density. Internal battery stability issues limit performance, while external factors such as vibration and shock can cause internal structural displacement, leading to short circuits and overheating, affecting battery life and reliability.

[0003] Furthermore, when assembling traditional square batteries, the positive and negative tabs are directly welded to the top cover. During installation, they are prone to bending and cannot be fixed, resulting in weak welds and a risk of desoldering.

[0004] Based on this, a device that can improve the stability of the internal structure of a battery is now provided, which can eliminate the drawbacks of existing devices. Utility Model Content

[0005] The purpose of this invention is to provide a device that can improve the stability of the internal structure of a battery, thereby solving the problems in the prior art.

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

[0007] A device for improving the internal structural stability of a battery includes an auxiliary plate. Positive and negative electrode tabs are symmetrically opened on the left and right sides of the front end of the auxiliary plate. Square shock-absorbing protrusions are symmetrically fixed at the upper and lower ends of the auxiliary plate. A side plate is fixed at the end of the square shock-absorbing protrusions away from the auxiliary plate.

[0008] Based on the above technical solutions, this utility model also provides the following optional technical solutions:

[0009] Preferably, the corner of the side plate away from the square shock-absorbing protrusion is provided with an arc-shaped chamfer.

[0010] Preferably, the auxiliary plate and the front end of the side plate are provided with a plurality of conical holes at equal intervals.

[0011] Preferably, the diameter of the rear end of the conical hole is larger than the diameter of its front end.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0013] 1. This utility model reduces the risk of short circuits by using an auxiliary plate, which can reduce the heat generated by the positive and negative electrode components and transfer it to the inside of the battery, thereby improving the stability of the battery; the positive and negative electrode holes can restrict the positive and negative electrode tabs, reducing the risk of irregular bending and repeated bending and breakage of the tabs during the process, and preventing them from desoldering; the square shock-absorbing protrusions are used to absorb external vibrations and impacts; the conical holes are used to absorb impacts while ensuring that the pressure can be released normally from the explosion-proof valve when the battery fails. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model.

[0015] Figure 2 This is a structural diagram of the rear end position of this utility model.

[0016] Figure 3 This is a structural schematic diagram showing the cross-sectional position of this utility model.

[0017] Figure label annotations: 11. Auxiliary plate; 12. Arc-shaped chamfer; 13. Square shock-absorbing protrusion; 14. Conical hole; 15. Positive and negative electrode ear hole positions; 16. Side plate. Detailed Implementation

[0018] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments.

[0019] In one embodiment, such as Figures 1-3 As shown, a device for improving the internal structural stability of a battery includes an auxiliary plate 11. Positive and negative electrode tabs 15 are symmetrically opened on the left and right sides of the front end of the auxiliary plate 11. Square shock-absorbing protrusions 13 are symmetrically fixed at the upper and lower ends of the auxiliary plate 11. A side plate 16 is fixed at the end of the square shock-absorbing protrusions 13 away from the auxiliary plate 11.

[0020] In this embodiment, the positive and negative electrode tabs 15 are aligned and adapted to the positive and negative electrode tabs of the battery so as to securely fix the auxiliary plate 11 to the battery. The square shock-absorbing protrusions 13 are made of an elastic material, such as rubber or silicone, to provide effective shock absorption when the battery is subjected to external impact.

[0021] In an optional embodiment, the corner of the side plate 16 away from the square shock-absorbing protrusion 13 is provided with an arc-shaped chamfer 12.

[0022] It should be noted that the curved chamfer 12 reduces the potential damage to surrounding structures or personnel that the side plate 16 may cause during installation or use, which is beneficial for the installation of the device.

[0023] In an optional embodiment, the auxiliary plate 11 and the front end of the side plate 16 are provided with a plurality of conical holes 14 at equal intervals.

[0024] It should be noted that the conical hole 14 absorbs the impact while ensuring that the pressure can be released normally from the explosion-proof valve when the battery fails.

[0025] In an optional embodiment, the rear diameter of the conical hole 14 is larger than its front diameter.

[0026] It should be noted that the diameter of the rear end of the conical hole 14 is larger than that of its front end, which is conducive to the smooth flow of gas during the depressurization process and also helps to improve the effect of the conical hole 14 in absorbing impact; and the inner wall of the conical hole 14 is provided with a colloidal material that meets the requirements of insulation, corrosion prevention and fire prevention, such as silicone.

[0027] The above embodiment discloses a device that can improve the stability of the internal structure of a battery. The auxiliary plate 11 has symmetrically arranged positive and negative electrode tab holes 15 on its left and right front sides, which are aligned and adapted to the positive and negative electrode tabs of the battery. The arc-shaped chamfer 12 design reduces potential damage to surrounding structures or personnel caused by the side plate 16 during installation or use, improving the safety and ease of use of the device. When the battery is subjected to external impact, these square shock-absorbing protrusions 13 can absorb and disperse the impact energy, thereby protecting the internal structure of the battery from damage. The conical hole 14 can absorb energy during impact. When the internal pressure of the battery rises to a certain level, the explosion-proof valve opens, allowing gas to escape through the conical hole 14. The rear diameter of the conical hole 14 is larger than its front diameter; this design facilitates the smooth flow of gas during pressure relief, preventing safety issues such as battery explosions caused by gas accumulation.

[0028] The above description is merely a specific embodiment of this application, but the scope of protection of this application is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.

Claims

1. A device for improving the stability of the internal structure of a battery, characterized in that, Includes an auxiliary plate (11), on which positive and negative electrode ear holes (15) are symmetrically opened on the left and right sides of the front end of the auxiliary plate (11), and square shock-absorbing protrusions (13) are symmetrically fixed at the upper and lower ends of the auxiliary plate (11), and a side plate (16) is fixed at the end of the square shock-absorbing protrusions (13) away from the auxiliary plate (11).

2. The device for improving the stability of the internal structure of a battery according to claim 1, characterized in that, The side plate (16) has an arc-shaped chamfer (12) at the corner away from the square shock-absorbing protrusion (13).

3. The device for improving the stability of the internal structure of a battery according to claim 1, characterized in that, The auxiliary plate (11) and the front end of the side plate (16) are provided with several conical holes (14) at equal intervals.

4. The device for improving the stability of the internal structure of a battery according to claim 3, characterized in that, The diameter of the rear end of the conical hole (14) is larger than the diameter of its front end.

Images