Heat dissipation device of automobile lithium battery

Abstract

The utility model discloses a heat dissipation device of an automobile lithium battery, which comprises a shell, a lithium battery is movably connected in the shell, a heat dissipation shell is fixedly connected in the shell, and first heat dissipation fins are fixedly connected on the outer side of the heat dissipation shell. By arranging the heat dissipation shell and the first heat dissipation fins, heat of the lithium battery can be absorbed and spread to the outer side, by arranging the first through opening and the second through opening, the exhaust fan can exchange air in the shell and extract hot air to the outer side of the shell, the air circulation and heat dissipation efficiency in the shell is improved, and by arranging the first filter screen and the connecting block, the heat dissipation efficiency of the lithium battery is improved. And by arranging a first spring and a limiting hole, the first spring can automatically insert a limiting rod into the limiting hole, so that a connecting block is conveniently fixed in a second groove, and a first filter screen is prevented from shaking in the second through hole.

Description

Technical Field

[0001] The utility model relates to the technical field of heat dissipation, in particular to a heat dissipation device for a lithium battery of an automobile. Background Art

[0002] With the development of industry and the increase of social needs, automobiles play an important role in social progress and economic development. The rapid development of the automobile industry has promoted the development of important industries such as machinery, energy, rubber, and steel, but it is also increasingly facing serious problems of environmental protection and energy shortage. In order to solve these problems, electric vehicles have achieved great development and great technological progress. At the same time, electric vehicles have made great progress in battery systems, electric drive systems, and vehicle control. Advantages of lithium battery electric vehicles: lithium batteries have long life, light weight, and small size. Lithium battery electric vehicles currently have diversified brands. Lithium batteries will generate a lot of heat during use. In order to avoid fires caused by a lot of heat, various heat dissipation devices have entered the market. However, the existing heat dissipation devices are prone to some dust inside after being used for a long time, and this dust will affect the heat dissipation effect of lithium batteries. Utility Model Content

[0003] In order to solve the problems raised in the above background technology, the purpose of the utility model is to provide a heat dissipation device for automotive lithium batteries, which has the advantages of facilitating the heat dissipation of lithium batteries and facilitating the replacement and cleaning of filters.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a heat dissipation device for a lithium battery of an automobile, comprising a shell, a lithium battery is movably connected to the interior of the shell, a heat dissipation shell is fixedly connected to the interior of the shell, a first heat dissipation fin is fixedly connected to the outer side of the heat dissipation shell, a first opening is provided on the outer side of the shell, an exhaust fan is fixedly connected to the outer side of the shell, an air outlet of the exhaust fan is communicated with the first opening, a top cover is movably connected to the top of the shell, a second opening is provided inside the top cover, a connecting block is movably connected to the interior of the second opening, a first filter is fixedly connected to the interior of the connecting block, the first filter is movably connected to the second opening, a first groove is provided on the top of the top cover, a first spring is fixedly connected to the interior of the first groove, a limiting rod is fixedly connected to the outer side of the first spring, a limiting hole is provided inside the connecting block, and the limiting rod is movably connected to the limiting hole.

[0005] As a preferred embodiment of the utility model, a second groove is provided inside the top cover, a second spring is fixedly connected inside the second groove, a moving block is fixedly connected to the second spring, the moving block is movably connected to the top cover, a first limiting groove is provided on the top of the outer shell, a limiting block located in the first limiting groove is fixedly connected to the bottom of the moving block, a second limiting groove is provided on the outside of the first limiting groove, a first handle is fixedly connected to the top of the moving block, and the first handle is movably connected to the top cover.

[0006] As a preferred embodiment of the utility model, a protective shell is fixedly connected to the outer side of the outer shell, a dovetail groove is opened on the outer side of the protective shell, a second filter is movably connected to the outer side of the protective shell, a dovetail block is movably connected to the outer side of the second filter, and the dovetail block is movably connected to the dovetail groove.

[0007] As a preferred embodiment of the utility model, a third spring is fixedly connected to the bottom of the top cover, and a second heat dissipation fin is fixedly connected to the bottom of the third spring.

[0008] As a preferred embodiment of the utility model, a connecting rod is fixedly connected to the outer side of the limiting rod, and the connecting rod is movably connected to the top cover.

[0009] As a preferred embodiment of the present invention, a second handle is fixedly connected to the top of the connecting block.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0011] 1. The utility model can absorb the heat of the lithium battery and transmit it to the outside by providing a heat dissipation shell and a first heat dissipation fin. By providing a first opening and a second opening, the exhaust fan can ventilate the inside of the shell and extract the hot air to the outside of the shell, thereby increasing the efficiency of air circulation and heat dissipation in the shell. By providing a first filter and a connecting block, the air entering the second opening can be filtered to prevent dust from entering the shell from the second opening and affecting ventilation. By providing a first spring and a limiting hole, the first spring can automatically insert the limiting rod into the limiting hole, so that the connecting block can be conveniently fixed in the second groove to prevent the first filter from shaking in the second opening.

[0012] 2. The utility model sets a second spring and a moving block. The second spring can automatically push the limit block into the second limit groove, which is convenient for locking the top cover and the shell. By setting a first handle, the limit block can be pulled out of the second limit groove, which is convenient for opening the top cover to replace the internal lithium battery. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model;

[0014] Figure 2 It is a side view schematic diagram of the structure of the utility model;

[0015] Figure 3 It is a top view schematic diagram of the structure of the utility model;

[0016] Figure 4 This is a schematic diagram of the structural connection block of the utility model.

[0017] In the figure: 1. shell; 2. lithium battery; 3. heat dissipation shell; 4. first heat dissipation fin; 5. first opening; 6. exhaust fan; 7. top cover; 8. second opening; 9. connecting block; 10. first filter; 11. first groove; 12. first spring; 13. limit rod; 14. limit hole; 15. second groove; 16. second spring; 17. moving block; 18. first limit groove; 19. limit block; 20. second limit groove; 21. first handle; 22. protective shell; 23. dovetail groove; 24. second filter; 25. dovetail block; 26. third spring; 27. second heat dissipation fin; 28. connecting rod; 29. ​​second handle. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] like Figures 1 to 4 As shown, a heat dissipation device for a lithium battery of an automobile comprises a shell 1, wherein a lithium battery 2 is movably connected inside the shell 1, a heat dissipation shell 3 is fixedly connected inside the shell 1, a first heat dissipation fin 4 is fixedly connected to the outer side of the heat dissipation shell 3, a first opening 5 is provided on the outer side of the shell 1, an exhaust fan 6 is fixedly connected to the outer side of the shell 1, an air outlet of the exhaust fan 6 is communicated with the first opening 5, a top cover 7 is movably connected to the top of the shell 1, a second opening 8 is provided inside the top cover 7, a connecting block 9 is movably connected inside the second opening 8, a first filter screen 10 is fixedly connected inside the connecting block 9, the first filter screen 10 is movably connected to the second opening 8, a first groove 11 is provided on the top of the top cover 7, a first spring 12 is fixedly connected inside the first groove 11, a limiting rod 13 is fixedly connected to the outer side of the first spring 12, a limiting hole 14 is provided inside the connecting block 9, and the limiting rod 13 is movably connected to the limiting hole 14.

[0020] refer to Figure 2A second groove 15 is provided inside the top cover 7, a second spring 16 is fixedly connected inside the second groove 15, a moving block 17 is fixedly connected to the second spring 16, the moving block 17 is movably connected to the top cover 7, a first limiting groove 18 is provided on the top of the shell 1, a limiting block 19 located in the first limiting groove 18 is fixedly connected to the bottom of the moving block 17, a second limiting groove 20 is provided on the outside of the first limiting groove 18, a first handle 21 is fixedly connected to the top of the moving block 17, and the first handle 21 is movably connected to the top cover 7.

[0021] As a technical optimization solution of the utility model, by setting a second spring 16 and a moving block 17, the second spring 16 can automatically push the limit block 19 into the second limit groove 20, which is convenient for locking the top cover 7 and the outer shell 1. By setting a first handle 21, the limit block 19 can be pulled out of the second limit groove 20, which is convenient for opening the top cover 7 to replace the internal lithium battery 2.

[0022] refer to Figure 2 and Figure 3 A protective shell 22 is fixedly connected to the outer side of the outer shell 1, a dovetail groove 23 is opened on the outer side of the protective shell 22, a second filter screen 24 is movably connected to the outer side of the protective shell 22, a dovetail block 25 is movably connected to the outer side of the second filter screen 24, and the dovetail block 25 is movably connected to the dovetail groove 23.

[0023] As a technical optimization solution of the utility model, by setting the protective shell 22, the exhaust fan 6 is protected. By setting the dovetail groove 23 and the dovetail block 25, the second filter 24 can prevent dust from entering the protective shell 22, making the second filter 24 easy to install and disassemble.

[0024] refer to Figure 1 The bottom of the top cover 7 is fixedly connected with a third spring 26 , and the bottom of the third spring 26 is fixedly connected with a second heat dissipation fin 27 .

[0025] As a technical optimization solution of the utility model, by providing the third spring 26 and the second heat dissipation fin 27 , when the top cover 7 is connected to the housing 1 , the second heat dissipation fin 27 can press the lithium battery 2 to increase the heat dissipation of the lithium battery 2 .

[0026] refer to Figure 3 A connecting rod 28 is fixedly connected to the outer side of the limiting rod 13, and the connecting rod 28 is movably connected to the top cover 7.

[0027] As a technical optimization solution of the present invention, by providing a connecting rod 28 , it is convenient to pull the limiting rod 13 out of the limiting hole 14 .

[0028] refer to Figure 4 A second handle 29 is fixedly connected to the top of the connecting block 9.

[0029] As a technical optimization solution of the present invention, by providing a second handle 29 , it is convenient to take the connecting block 9 out of the second opening 8 .

[0030] The working principle and use process of the utility model are as follows: the lithium battery 2 is heat-absorbed by the heat dissipation shell 3, the first heat dissipation fins 4 and the second heat dissipation fins 27, and the exhaust fan 6 draws air and discharges it through the first port 5 and the second port 8 to achieve the heat dissipation effect. When the air passes through the second port 8, it is filtered by the first filter 10, and when the air enters the protective shell 22, it is filtered by the second filter 24. The second filter 24 is pulled, and the dovetail block 25 is driven to move out of the dovetail groove 23 through the second filter 24, and then it can be replaced. When the first filter 10 needs to be replaced, the connecting rod 28 is pulled, and the limiting rod 13 is driven to move out of the limiting hole 14 through the connecting rod 28. At this time, the connecting block 9 can be taken out through the second handle 29, and then the first filter 10 can be replaced and cleaned, and the connecting rod 28 is pulled to move the limiting rod 13 out of the second port 8. After the connecting block 9 is placed into the second opening 8, the connecting rod 28 is released, and the limiting rod 13 is pushed into the limiting hole 14 by the first spring 12, and the first handle 21 is pulled. The moving block 17 is driven by the first handle 21 to move the limiting block 19. The limiting block 19 moves in the first limiting groove 18 and moves out of the second limiting groove 20. At this time, the top cover 7 can be opened, and the third spring 26 and the second heat dissipation fin 27 are driven to move by the top cover 7. Then the lithium battery 2 can be replaced, and the first handle 21 is pulled to connect the top cover 7 with the outer shell 1 so that the limiting block 19 enters the first limiting groove 18. The first handle 21 is released, and the moving block 17 is pushed by the second spring 16 so that the limiting block 19 enters the second limiting groove 20. The connection between the top cover 7 and the outer shell 1 is completed. At this time, the third spring 26 drives the second heat dissipation fin 27 to press the lithium battery 2.

[0031] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A heat dissipation device for a lithium battery of an automobile, comprising a housing (1), characterized in that: The interior of the housing (1) is movably connected to a lithium battery (2); the interior of the housing (1) is fixedly connected to a heat dissipation housing (3); the exterior of the heat dissipation housing (3) is fixedly connected to a first heat dissipation fin (4); the exterior of the housing (1) is provided with a first opening (5); the exterior of the housing (1) is fixedly connected to an exhaust fan (6); the air outlet of the exhaust fan (6) is connected to the first opening (5); the top of the housing (1) is movably connected to a top cover (7); the interior of the top cover (7) is provided with a second opening (8); the second opening (8) is connected to the exterior of the housing (1); The opening (8) is movably connected to a connecting block (9), the connecting block (9) is fixedly connected to a first filter screen (10), the first filter screen (10) is movably connected to the second opening (8), a first groove (11) is provided on the top of the top cover (7), a first spring (12) is fixedly connected to the inside of the first groove (11), a limiting rod (13) is fixedly connected to the outside of the first spring (12), a limiting hole (14) is provided inside the connecting block (9), and the limiting rod (13) is movably connected to the limiting hole (14).

2. The heat dissipation device for a lithium battery of an automobile according to claim 1, characterized in that: A second groove (15) is provided inside the top cover (7), a second spring (16) is fixedly connected inside the second groove (15), a moving block (17) is fixedly connected to the second spring (16), and the moving block (17) is movably connected to the top cover (7); a first limiting groove (18) is provided on the top of the shell (1), a limiting block (19) located in the first limiting groove (18) is fixedly connected to the bottom of the moving block (17), a second limiting groove (20) is provided on the outside of the first limiting groove (18), a first handle (21) is fixedly connected to the top of the moving block (17), and the first handle (21) is movably connected to the top cover (7).

3. The heat dissipation device for a lithium battery of an automobile according to claim 1, characterized in that: The outer side of the outer shell (1) is fixedly connected to a protective shell (22), the outer side of the protective shell (22) is provided with a dovetail groove (23), the outer side of the protective shell (22) is movably connected to a second filter screen (24), the outer side of the second filter screen (24) is movably connected to a dovetail block (25), and the dovetail block (25) is movably connected to the dovetail groove (23).

4. The heat dissipation device for a lithium battery of an automobile according to claim 1, characterized in that: The bottom of the top cover (7) is fixedly connected to a third spring (26), and the bottom of the third spring (26) is fixedly connected to a second heat dissipation fin (27).

5. The heat dissipation device for a lithium battery of an automobile according to claim 1, characterized in that: A connecting rod (28) is fixedly connected to the outer side of the limiting rod (13), and the connecting rod (28) is movably connected to the top cover (7).

6. The heat dissipation device for a lithium battery of an automobile according to claim 1, characterized in that: A second handle (29) is fixedly connected to the top of the connecting block (9).

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