Heat dissipation type battery aluminum shell structure

By integrating heat pipes and heat sinks into the aluminum casing structure of the battery, and utilizing the circulating flow of coolant, the problem of existing battery heat dissipation structures being disruptive to the shape or having a large size and high cost is solved, achieving efficient heat dissipation without increasing battery size and cost.

CN223501963UActive Publication Date: 2025-10-31SHANGRAO ZHENYU AUTO PARTS CO LTD
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Patent Information

Application Number
CN202422552859.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-22
Publication Date
2025-10-31
Estimated Expiration
2034-10-22

AI Technical Summary

Technical Problem

Existing battery heat dissipation structures are prone to damaging the battery's shape, resulting in large size or high cost, making it difficult to effectively dissipate heat while ensuring the battery's shape and cost.

Method used

Design a battery aluminum shell structure that integrates heat pipes and heat sinks. The structure is connected to the base by an aluminum shell cover plate. Coolant circulates between the heat pipes and connecting holes to achieve reverse flow of coolant, thus improving heat dissipation efficiency while maintaining the battery's shape.

Benefits of technology

Without increasing battery size and cost, it significantly improves heat dissipation while maintaining the integrity of the battery's shape.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a heat dissipation type battery aluminum shell structure which comprises a shell, an aluminum shell cover plate and an aluminum shell base, the aluminum shell cover plate covers the top of the shell, the aluminum shell base is installed at the bottom of the aluminum shell, heat dissipation fins are arranged outside the shell, a heat dissipation pipe is installed between every two adjacent heat dissipation fins, and the heat dissipation pipe is connected with the aluminum shell cover plate. The aluminum shell cover plate is provided with a liquid outlet communicating pipe, a liquid inlet communicating pipe and upper communicating holes, the aluminum shell base is provided with lower communicating holes, every two adjacent lower communicating holes form a pair, the paired lower communicating holes are communicated through the lower communicating pipes, the liquid inlet communicating pipe is communicated with the liquid inlet connector, the liquid outlet communicating pipe is communicated with the liquid outlet connector, and the liquid outlet connector is communicated with the liquid outlet connector. The upper ends of the radiating pipes are connected with the upper communicating holes, and the lower ends of the radiating pipes are connected with the lower communicating holes; according to the utility model, the radiating tubes and the radiating fins are integrated together, so that the original appearance structure of the battery is kept, the original volume of the battery is not increased too much, and the radiating effect is greatly improved.
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Description

Technical Field

[0001] This utility model relates to the field of battery aluminum shell structure technology, and in particular to a heat dissipation type battery aluminum shell structure. Background Technology

[0002] With the continuous development of electronic devices and the widespread application of electric vehicles, battery performance and safety have received increasing attention. Batteries generate a large amount of heat during charging and discharging. If this heat cannot be dissipated effectively and in a timely manner, the battery temperature will rise, affecting battery performance, lifespan, and even causing safety issues. Therefore, designing a reasonable heat dissipation structure is crucial for the normal operation of batteries. Existing common heat dissipation structure designs include: 1. Designing heat dissipation fins on the aluminum shell surface to increase the surface heat dissipation area and improve heat dissipation efficiency. However, this design easily damages the shape of the battery's outer surface and is not conducive to battery installation; 2. Using air cooling, which is mainly for some high-power batteries, which are generally large in size and require ample space for fan installation; 3. Using liquid cooling, which places high demands on the processing of the battery's aluminum shell, requires the design of dedicated heat dissipation channels, and is relatively expensive. To address the above problems, this utility model provides a solution. Utility Model Content

[0003] The purpose of this invention is to provide a heat-dissipating aluminum battery casing structure.

[0004] The above-mentioned technical objective of this utility model is achieved through the following technical solution:

[0005] A heat-dissipating battery aluminum shell structure includes a shell, an aluminum shell cover plate, and an aluminum shell base. The aluminum shell cover plate covers the top of the shell, and the aluminum shell base is installed at the bottom of the shell. Heat sinks are provided on the outside of the shell, and heat dissipation pipes are installed between adjacent heat sinks. The aluminum shell cover plate has an outlet pipe, an inlet pipe, and an upper connecting hole. Adjacent upper connecting holes are selectively connected to either the outlet pipe or the inlet pipe via staggered upper connecting pipes. The aluminum shell base has lower connecting holes, with each pair of adjacent lower connecting holes forming a pair. The pairs of lower connecting holes are connected by a lower connecting pipe. The inlet pipe is connected to an inlet connector, and the outlet pipe is connected to an outlet connector. The upper end of each heat dissipation pipe is connected to an upper connecting hole, and the lower end of each heat dissipation pipe is connected to a lower connecting hole, so that the cooling in adjacent heat dissipation pipes flows in opposite directions.

[0006] Furthermore, the heat sink is T-shaped, with a mounting groove for installing heat dissipation pipes formed between adjacent heat sinks, and a heat dissipation gap left on the outer side of the heat sink. The structural arrangement between the heat sinks facilitates the installation of heat dissipation pipes through the middle mounting groove.

[0007] Furthermore, both the liquid inlet and liquid outlet connectors are located on the top of the aluminum casing cover, and the other battery terminals are installed in the same positions, thus largely maintaining the shape of the battery.

[0008] Furthermore, the heat dissipation pipe has an elliptical cross-section and is made of aluminum or copper. Alternatively, other materials with good heat transfer properties can also be used as the raw material for the heat dissipation pipe.

[0009] In summary, the present invention has the following beneficial effects: by integrating the heat dissipation pipe and the heat dissipation fin together, the present invention maintains the original external structure of the battery, without excessively increasing the original volume of the battery, and greatly increases the heat dissipation effect. Attached Figure Description

[0010] Figure 1 This is a cross-sectional view of the aluminum casing of the battery;

[0011] Figure 2 This is a side view of the battery's aluminum casing;

[0012] Figure 3 This is a cross-sectional view of the aluminum shell cover.

[0013] Figure 4 This is a cross-sectional view of the aluminum shell base.

[0014] In the diagram, 1. Shell; 2. Heat pipe; 3. Heat sink; 4. Gap; 5. Aluminum shell cover; 6. Aluminum shell base; 7. Liquid inlet connector; 8. Liquid outlet connector; 9. Liquid outlet connecting pipe; 10. Liquid inlet connecting pipe; 11. Upper connecting hole; 12. Upper connecting pipe; 13. Lower connecting hole; 14. Lower connecting pipe. Detailed Implementation

[0015] The present invention will be further described in detail below with reference to the accompanying drawings. The technical solutions in the embodiments of the present invention will be clearly and completely described. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present invention.

[0016] like Figure 1-4As shown, a heat-dissipating battery aluminum shell structure includes a shell 1, an aluminum shell cover plate 5, and an aluminum shell base 6. The aluminum shell cover plate 5 covers the top of the shell 1, and the aluminum shell base 6 is installed at the bottom of the aluminum shell 1. The shell 1 is provided with heat sinks 3 on the outside, and heat dissipation pipes 2 are installed between adjacent heat sinks 3. The aluminum shell cover plate 5 is provided with an outlet connecting pipe 9, an inlet connecting pipe 10, and an upper connecting hole 11. Adjacent upper connecting holes 11 are staggered and connected to the outlet connecting pipe 9 or the inlet connecting pipe 10 through upper connecting pipes 12. The aluminum shell base 6 is provided with a lower connecting hole 13. Every two adjacent lower connecting holes 13 form a pair, and the pairs of lower connecting holes 13 are connected by a lower connecting pipe 14. The inlet connecting pipe 10 is connected to the inlet connector 7, and the outlet connecting pipe 9 is connected to the outlet connector 8. The upper end of the heat dissipation pipe 2 is connected to the upper connecting hole 11, and the lower end of the heat dissipation pipe 2 is connected to the lower connecting hole 13, so that the cooling in the two adjacent heat dissipation pipes 2 flows in opposite directions.

[0017] Furthermore, such as Figure 2 As shown, the heat sink 3 is T-shaped, and an installation groove for installing the heat dissipation pipe 2 is formed between two adjacent heat sinks 3. A heat dissipation gap 4 is left on the outside of the heat sink 3. The structural arrangement between the heat sinks 3 facilitates the installation of the heat dissipation pipe through the middle installation groove.

[0018] Furthermore, such as Figure 2 As shown, the liquid inlet connector 7 and liquid outlet connector 8 are both located on the top of the aluminum shell cover plate 5, and the other battery terminals are installed in the same position, which largely maintains the shape of the battery.

[0019] Furthermore, the heat dissipation pipe 2 has an elliptical cross-section and is made of aluminum or copper. Similarly, other materials with good heat transfer can also be used as the raw material for the heat dissipation pipe 2.

[0020] Working principle: Coolant enters the inlet connector 7 into the inlet connecting pipe 10, then flows into the heat dissipation pipe 2. After reaching the bottom connecting channel 14, the coolant returns from the adjacent heat dissipation pipe 2 to the outlet connecting pipe 9 of the aluminum shell cover plate 5, and then exits through the outlet connector 8, carrying away heat. This invention integrates the heat dissipation pipe and heat sink together, maintaining the original shape and structure of the battery without excessively increasing its original volume, thus greatly improving the heat dissipation effect.

[0021] This specific embodiment is merely an explanation of the present utility model and is not intended to limit the present utility model. After reading this specification, those skilled in the art can make modifications to this embodiment without contributing any inventive step, but as long as they are within the scope of the claims of the present utility model, they are protected by patent law.

Claims

1. A heat-dissipating battery aluminum shell structure, comprising a shell (1), an aluminum shell cover plate (5), and an aluminum shell base (6), wherein the aluminum shell cover plate (5) covers the top of the shell (1), and the aluminum shell base (6) is installed at the bottom of the shell (1), characterized in that: The outer side of the housing (1) is provided with heat sinks (3), and heat sinks (2) are installed between adjacent heat sinks (3). The aluminum shell cover plate (5) is provided with an outlet connecting pipe (9), an inlet connecting pipe (10) and an upper connecting hole (11). Adjacent upper connecting holes (11) are connected to the outlet connecting pipe (9) or the inlet connecting pipe (10) through an upper connecting pipe (12) in a staggered manner. The aluminum shell base (6) is provided with a lower connecting hole (13). Every two adjacent lower connecting holes (13) form a pair. The pairs of lower connecting holes (13) are connected through a lower connecting pipe (14). The inlet connecting pipe (10) is connected to the inlet connector (7). The outlet connecting pipe (9) is connected to the outlet connector (8). The upper end of the heat sink (2) is connected to the upper connecting hole (11), and the lower end of the heat sink (2) is connected to the lower connecting hole (13).

2. The heat-dissipating aluminum casing structure for a battery according to claim 1, characterized in that: The heat sink (3) is T-shaped, and a mounting groove for installing the heat dissipation pipe (2) is formed between two adjacent heat sinks (3). A heat dissipation gap (4) is left on the outside of the heat sink (3).

3. The heat-dissipating aluminum casing structure for a battery according to claim 2, characterized in that: Both the liquid inlet connector (7) and the liquid outlet connector (8) are located on the top of the aluminum shell cover plate (5).

4. The heat-dissipating aluminum battery casing structure according to claim 3, characterized in that: The heat dissipation pipe (2) has an elliptical cross-section and is made of aluminum or copper.