Battery module overcurrent aluminum bar capable of enhancing heat dissipation effect
By setting fins and engaging structures on the surface of the overflow aluminum bar sheet of the battery module, the problem of reduced efficiency and shortened life of the battery module due to heat accumulation is solved, and more efficient heat dissipation and stable installation are achieved.
Patent Information
- Application Number
- CN202421620998.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-10
- Publication Date
- 2025-07-29
- Estimated Expiration
- 2034-07-10
AI Technical Summary
During the long-term use of the existing battery module, high temperatures are generated inside the battery cell, resulting in heat accumulation, reducing the efficiency of the battery module and affecting the service life.
Fins are arranged on the surface of the aluminum bar sheet to increase the heat dissipation area and to contact the air to dissipate heat. At the same time, the fast assembly is achieved using the clamping structure of the clamp plate and the positioning seat to ensure the stable installation of the aluminum bar sheet.
It improves the heat dissipation effect of the battery module, extends the service life of the battery module, and simplifies the installation process.
Smart Images

Figure CN223167613U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of battery modules, and particularly relates to an overcurrent aluminum bar for a battery module that can enhance the heat dissipation effect. Background Technique
[0002] The overcurrent aluminum bar for a battery module is an aluminum component used in a battery module to connect battery cells and carry current. It has good electrical conductivity and heat dissipation performance, and can effectively conduct the heat generated by the battery cells, while ensuring the stable transmission of current. The overcurrent aluminum bar is usually made of high-purity aluminum to ensure good electrical conductivity and heat dissipation performance. The thickness of the aluminum bar depends on the specific application scenario and overcurrent requirements, usually between 1 mm and 2.5 mm. To enhance the heat dissipation performance, the surface of the overcurrent aluminum bar is usually covered with a carbon coating with a thickness between 10 μm and 100 μm. This carbon coating is made of nano-carbon materials such as graphene-carbon nanotube composites, which can significantly improve the heat conduction ability of the aluminum bar. However, the overcurrent aluminum bar for this battery module still has the following defects: during the installation and use of the overcurrent aluminum bar, after long-term use, high temperature will be generated inside the battery cells. At this time, a large amount of heat will accumulate on the overcurrent aluminum bar, reducing the use efficiency of the battery module and affecting the service life of the battery mold. Summary of the Utility Model
[0003] The purpose of the utility model is to provide an overcurrent aluminum bar for a battery module that can enhance the heat dissipation effect, aiming to solve the problem that in the prior art, during the installation and use of the overcurrent aluminum bar for the battery module, after long-term use, high temperature will be generated inside the battery cells. At this time, a large amount of heat will accumulate on the overcurrent aluminum bar, reducing the use efficiency of the battery module and affecting the service life of the battery mold.
[0004] To achieve the above purpose, the utility model provides the following technical solution: an overcurrent aluminum bar for a battery module that can enhance the heat dissipation effect, including a battery pack and an aluminum bar sheet. The battery pack is internally provided with battery cells, and the top end of the battery cells is connected to the aluminum bar sheet;
[0005] The surface of the aluminum bar sheet is connected with fins. The surface of the aluminum bar sheet is provided with positioning holes. Both sides of the aluminum bar sheet are connected with connecting plates. The bottom surface of the connecting plate is connected with a clamping plate, and the bottom end of the clamping plate is connected with a positioning seat.
[0006] Preferably, a battery box is installed on the outer surface of the battery pack for the overcurrent aluminum bar for a battery module that can enhance the heat dissipation effect of the utility model.
[0007] Preferably, for the overcurrent aluminum bar for a battery module that can enhance the heat dissipation effect of the utility model, in order to improve heat dissipation, the fins and the aluminum bar sheet are made of the same aluminum material, and four groups of fins are evenly distributed on the surface of the aluminum bar sheet.
[0008] In order to make the placement offset, as an optimized overcurrent aluminum bar of the battery module capable of enhancing the heat dissipation effect in the present utility model, the size of the positioning holes on the surface of the aluminum bar sheet is adapted to the size of the pole columns at the top of the battery cells.
[0009] In order to facilitate installation, as an optimized overcurrent aluminum bar of the battery module capable of enhancing the heat dissipation effect in the present utility model, both the clamping plate and the positioning seat are made of insulating PVC material, wherein the positioning seat is a plastic deformable structure, and the clamping plate and the positioning seat form a clamping structure.
[0010] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0011] In the present utility model, by arranging the fins on the surface of the aluminum bar sheet, the contact area between the surface of the aluminum bar sheet and the air is further increased, the heat dissipation effect of the aluminum bar sheet is enhanced, in addition, the service life of the battery pack can be prolonged, and further, by matching the positioning holes with the pole columns on the battery cells, and then through the clamping of the clamping plate and the positioning seat, it is convenient to quickly assemble and splice the aluminum bar sheet for use. Description of the Drawings
[0012] The drawings are used to provide a further understanding of the present utility model, and constitute a part of the specification. Together with the embodiments of the present utility model, they are used to explain the present utility model, and do not constitute a limitation to the present utility model. In the drawings:
[0013] Figure 1 is a schematic structural diagram of the battery module of the present utility model;
[0014] Figure 2 is a schematic structural diagram of the overcurrent aluminum bar of the present utility model;
[0015] Figure 3 is a schematic structural diagram of the installation structure of the aluminum bar sheet of the present utility model;
[0016] Figure 4 is a schematic structural diagram of the fin of the present utility model;
[0017] Figure 5 is a schematic structural diagram of the clamping plate of the present utility model.
[0018] In the figures: 1, battery box; 2, battery pack; 3, battery cell; 4, aluminum bar sheet; 5, fin; 6, positioning hole; 7, connecting plate; 8, clamping plate; 9, positioning seat. Detailed Embodiments
[0019] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.
[0020] Please refer to Figures 1-5 , the present utility model provides the following technical solutions: An overcurrent aluminum bar for a battery module that can enhance the heat dissipation effect, including a battery pack 2 and an aluminum bar sheet 4. A battery cell 3 is installed inside the battery pack 2, and an aluminum bar sheet 4 is connected to the top end of the battery cell 3;
[0021] Fins 5 are connected to the surface of the aluminum bar sheet 4. Positioning holes 6 are formed on the surface of the aluminum bar sheet 4. Connecting plates 7 are connected to both sides of the aluminum bar sheet 4. A clamping plate 8 is connected to the bottom surface of the connecting plate 7, and a positioning seat 9 is connected to the bottom end of the clamping plate 8.
[0022] Preferably: A battery box 1 is installed on the outer surface of the battery pack 2.
[0023] Preferably: The fins 5 and the aluminum bar sheet 4 are both made of aluminum, and four groups of fins 5 are evenly distributed on the surface of the aluminum bar sheet 4 at equal intervals.
[0024] During specific use, through the use of the fins 5, the heat of the battery cell 3 inside the battery pack 2 is dissipated, improving the heat dissipation effect.
[0025] Preferably: The size of the positioning holes 6 on the surface of the aluminum bar sheet 4 is adapted to the size of the top pole of the battery cell 3.
[0026] During specific use, by matching the positioning holes 6 with the top poles of the battery cells 3, the deviation of the aluminum bar sheet 4 is avoided, and at the same time, the material used for the aluminum bar sheet 4 is saved, further enhancing the heat dissipation effect.
[0027] Preferably: Both the clamping plate 8 and the positioning seat 9 are made of insulating PVC material. Among them, the positioning seat 9 is a plastically deformable structure, and the clamping plate 8 and the positioning seat 9 form a clamping structure.
[0028] During specific use, by clamping the clamping plate 8 into the inside of the positioning seat 9, the positioning seat 9 undergoes opening and closing deformation, thereby facilitating the fixation of the clamping plate 8, and further stabilizing the installation of the aluminum bar sheet 4.
[0029] Working principle of the utility model: First, by arranging the fins 5 on the surface of the aluminum bar 4, the fins 5 and the aluminum bar 4 are welded into a whole, increasing the contact area between the surface of the aluminum bar 4 and the air. When the heat generated by the battery pack 2 reaches the aluminum bar 4, multiple groups of fins 5 can be used for synchronous heat dissipation, enhancing the heat dissipation effect of the aluminum bar 4, while ensuring the over-current safety of the aluminum bar 4. In addition, the service life of the battery pack 2 can be extended. Additionally, by matching the positioning holes 6 with the pole columns on the battery cell 3, and then through the engagement of the clamping plate 8 and the positioning seat 9. During specific installation, by pressing down the clamping plate 8, the positioning seat 9 undergoes an opening and closing movement, thereby wrapping and clamping the clamping plate 8, facilitating the rapid assembly and splicing of the aluminum bar 4 for use.
[0030] Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.
Claims
1. An overcurrent aluminum busbar for a battery module that can enhance the heat dissipation effect, comprising a battery pack (2) and an aluminum busbar sheet (4), characterized in that: The battery pack (2) is internally installed with battery cells (3), and an aluminum bus bar (4) is connected to the top end of the battery cells (3); Fins (5) are connected to the surface of the aluminum bus bar (4), positioning holes (6) are formed in the surface of the aluminum bus bar (4), connecting plates (7) are connected to both sides of the aluminum bus bar (4), a clamping plate (8) is connected to the bottom surface of the connecting plate (7), and a positioning seat (9) is connected to the bottom end of the clamping plate (8).
2. The overcurrent aluminum busbar of a battery module capable of enhancing heat dissipation effect according to claim 1, wherein: A battery box (1) is installed on the outer surface of the battery pack (2).
3. The overcurrent aluminum busbar of the battery module capable of enhancing the heat dissipation effect according to claim 1, wherein: The fins (5) and the aluminum bus bar (4) are both made of aluminum, and four groups of fins (5) are evenly distributed on the surface of the aluminum bus bar (4) at equal intervals.
4. The overcurrent aluminum busbar for a battery module capable of enhancing heat dissipation effect according to claim 1, wherein: The size of the positioning holes (6) on the surface of the aluminum bus bar (4) is adapted to the size of the pole columns at the top of the battery cells (3).
5. The overcurrent aluminum busbar of a battery module capable of enhancing heat dissipation effect according to claim 1, wherein: The clamping plate (8) and the positioning seat (9) are both made of insulating PVC material, wherein the positioning seat (9) is a plastically deformable structure, and the clamping plate (8) and the positioning seat (9) form a clamping structure.