Cylindrical battery heat dissipation device of new energy automobile
By using aluminum alloy heat sink design and air groove structure, the problem of poor heat dissipation of cylindrical batteries in new energy vehicles is solved, achieving efficient heat dissipation and stable operation, and extending battery life.
Patent Information
- Application Number
- CN202520273429.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-20
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2035-02-20
AI Technical Summary
The heat dissipation devices of existing cylindrical batteries for new energy vehicles have poor heat dissipation performance, and the heat cannot be dissipated in time, which can easily lead to failure and unsatisfactory performance.
The heat sink design uses aluminum alloy material and includes a top cover and a base. It has a cell placement slot and an air slot, which are locked by screw holes to form an independent heat dissipation space for the cell. The air slot promotes air circulation and improves heat dissipation efficiency in combination with heat dissipation components.
It improves the heat dissipation efficiency of the battery cells, ensures stable battery operating temperature, extends battery life, and improves working efficiency.
Smart Images

Figure CN223612494U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to battery heat dissipation technical field, concretely is a new energy automobile cylindrical battery heat dissipation device. BACKGROUND
[0002] The cylindrical battery of new energy automobile is one of the battery types widely used in the new energy automobile industry, has high energy density, easy to manufacture and assemble, reliability etc. advantage, the application of cylindrical battery in new energy automobile is very extensive, especially in the field such as pure electric vehicle, plug-in hybrid electric vehicle.
[0003] The existing new energy automobile cylindrical battery heat dissipation device is mostly one whole shell heat dissipation, and the heat dissipation effect is poor, the heat of the battery cell cannot be dissipated in time, the heat accumulation is prone to failure, and the use effect is not ideal. UTILITY MODEL CONTENT
[0004] The utility model provides a new energy automobile cylindrical battery heat dissipation device to solve the problem in the background art.
[0005] To achieve the above object, the utility model provides the following technical scheme: a new energy automobile cylindrical battery heat dissipation device, including heat dissipation device main part, the heat dissipation device main part includes a plurality of heat dissipation blocks, the heat dissipation block includes upper cover and base, the opposite surface of upper cover and base is evenly provided with battery cell placing groove for placing battery cell, the inside of battery cell placing groove is provided with air groove one, the opposite surface of upper cover and base is evenly provided with air groove two.
[0006] Further, the number of battery cell placing grooves between the upper cover and the base is not less than one.
[0007] Further, the number of air grooves two on the upper cover and the base is not less than one.
[0008] Further, the inside of the upper cover and the base is provided with a threaded hole, and the upper cover and the base are locked by screwing.
[0009] Further, the heat dissipation device main part further includes a heat dissipation assembly, and the heat dissipation assembly includes a battery cell group, a battery cell connecting block and a battery seat.
[0010] Further, the battery cell group includes a plurality of battery cells sleeved in the battery cell placing groove, and the two ends of the battery cell group are connected with the battery cell connecting block through a contact sheet.
[0011] Further, the battery seat is arranged on one side of the heat dissipation block and the battery cell connecting block.
[0012] Further, the heat dissipation block is made of aluminum alloy.
[0013] Compared with the prior art, the new energy automobile cylindrical battery heat dissipation device has the following beneficial effects:
[0014] The new energy automobile cylindrical battery heat dissipation device, the setting of the plurality of heat dissipation blocks enables each battery cell to have an independent space for heat dissipation, while ensuring assembly stability, air groove one and air groove two facilitate air circulation, facilitate heat dissipation of the upper cover and the base, improve battery cell heat dissipation efficiency, the upper cover and the base are both made of aluminum alloy material, the aluminum alloy has high heat conduction performance, can effectively dissipate heat, ensure stable operation temperature of the battery, and thus improve working efficiency and service life of the battery. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a structural schematic view of the utility model;
[0016] Figure 2 It is a structural schematic view of the utility model's battery cell connecting block;
[0017] Figure 3 It is a structural schematic view of the utility model's two battery cell connecting block combination state;
[0018] Figure 4 It is an explosion view of the utility model's battery cell connecting block structure;
[0019] Figure 5 It is a structural schematic view of the utility model's contact sheet and battery cell connecting block separation state.
[0020] In the drawing: 1, heat dissipation device main body; 11, heat dissipation block; 111, upper cover; 112, base; 113, battery cell placing groove; 114, air groove one; 115, air groove two; 116, screw hole; 12, heat dissipation assembly; 121, battery cell group; 122, battery cell connecting block; 123, battery seat; 124, contact sheet. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0022] Please refer to Figures 1-5The utility model discloses a new energy automobile cylindrical battery heat abstractor, including heat abstractor main part 1, heat abstractor main part 1 includes several heat abstractor blocks 11, the heat abstractor block 11 includes upper cover 111 and base 112, the opposite surface of upper cover 111 and base 112 all is provided with electric core placing groove 113 for placing electric core, the inside of electric core placing groove 113 is provided with air groove no.
[0023] Specific, the electric core placing groove 113 between upper cover 111 and base 112 quantity is not less than one, and a single upper cover 111 and base 112 can place multiple electric cores, effectively improve the space utilization, make heat abstractor whole volume more compact, and assemble more convenient.
[0024] Specific, the heat abstractor block 11 is aluminium alloy material, the air groove no. 115 on upper cover 111 and base 112 quantity is not less than one, the electric core placing groove 113 of the opposite surface of upper cover 111 and base 112 is combined together and presents circular, air groove no. 114 and air groove no. 115 benefit the air circulation, benefit the heat dissipation of upper cover 111 and base 112, improve the electric core heat abstractor efficiency, and upper cover 111 and base 112 are all made of aluminium alloy material, and aluminium alloy has higher heat conductivity, can effectively radiate heat, ensure the stable operating temperature of battery, thereby improve the working efficiency and life of battery.
[0025] Specific, the inside of upper cover 111 and base 112 all is provided with screw hole 116, upper cover 111 and base 112 pass screw hole 116 and lock with screw, and upper cover 111 and base 112 pass screw hole 116 and lock with screw, after the assembly of upper cover 111 and base 112, make the wall surface of electric core placing groove 113 and the surface of electric core closely adhere, and the heat conduction efficiency is higher.
[0026] Specific, the heat abstractor main part 1 still includes heat abstractor assembly 12, the heat abstractor assembly 12 includes electric core group 121, electric core connecting block 122 and battery seat 123, the electric core group 121 includes several electric cores that are sleeved in the inside of electric core placing groove 113, the both ends of electric core group 121 are connected with electric core connecting block 122 through contact sheet 124, the battery seat 123 is arranged at one side of heat abstractor block 11 and electric core connecting block 122, after heat abstractor block 11 and electric core connect, several heat abstractor blocks 11 and electric core group 121 are orderly arranged and form a battery module, install contact sheet 124 and electric core connecting block 122 on the both ends of electric core group 121, several electric core connecting blocks 122 are orderly arranged, install battery seat 123 on one side of battery module, and finally can use after being loaded into battery package shell.
[0027] In summary, the new energy automobile cylindrical battery heat dissipation device, the setting of the plurality of heat dissipation blocks 11 makes each battery cell have independent space for heat dissipation, while ensuring the assembly stability, the air groove one 114 and the air groove two 115 facilitate air circulation, facilitate the heat dissipation of the upper cover 111 and the base 112, improve the battery cell heat dissipation efficiency, the upper cover 111 and the base 112 are both made of aluminum alloy material, the aluminum alloy has high thermal conductivity, can effectively dissipate heat, ensure the stable operation temperature of the battery, thereby improving the working efficiency and the service life of the battery.
[0028] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A new energy automobile cylindrical battery heat dissipation device, comprising a heat dissipation device main body (1), characterized in that: The heat dissipation device body (1) comprises a plurality of heat dissipation blocks (11), the heat dissipation block (11) comprises an upper cover (111) and a base (112), the opposite surfaces of the upper cover (111) and the base (112) are provided with an electric core placing groove (113) for placing an electric core, the inside of the electric core placing groove (113) is provided with an air groove one (114), and the opposite surfaces of the upper cover (111) and the base (112) are provided with an air groove two (115).
2. The new energy vehicle cylindrical battery heat dissipation device according to claim 1, characterized in that: The number of the electric core placing grooves (113) between the upper cover (111) and the base (112) is not less than one.
3. The new energy vehicle cylindrical battery heat dissipation device according to claim 1, characterized in that: The number of the air groove two (115) on the upper cover (111) and the base (112) is not less than one.
4. The new energy vehicle cylindrical battery heat dissipation device according to claim 1, characterized in that: The inside of the upper cover (111) and the base (112) is provided with a screw hole (116), and the upper cover (111) and the base (112) are locked by screwing through the screw hole (116).
5. The new energy vehicle cylindrical battery heat dissipation device according to claim 1, characterized in that: The heat dissipation device body (1) further comprises a heat dissipation assembly (12), the heat dissipation assembly (12) comprises an electric core group (121), an electric core connecting block (122) and a battery seat (123).
6. The new energy vehicle cylindrical battery heat dissipation device according to claim 5, characterized in that: The electric core group (121) comprises a plurality of electric cores sleeved in the electric core placing groove (113), and the two ends of the electric core group (121) are connected with the electric core connecting block (122) through a contact sheet (124).
7. The new energy vehicle cylindrical battery heat dissipation device according to claim 5, characterized in that: The battery seat (123) is arranged on one side of the heat dissipation block (11) and the electric core connecting block (122).
8. The new energy vehicle cylindrical battery heat dissipation device according to claim 1, characterized in that: The heat dissipation block (11) is made of aluminum alloy.