Layered cell structure of battery module

By adopting layered battery cell structure and combined fixing methods in the battery module, the problem of low space use efficiency of existing battery modules is solved, and a higher power density and flexible assembly design are achieved.

CN222735249UActive Publication Date: 2025-04-08WANDA INTELLIGENT TECH (KUNSHAN) CO LTD
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Patent Information

Application Number
CN202421325639.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-12
Publication Date
2025-04-08
Estimated Expiration
2034-06-12

AI Technical Summary

Technical Problem

While increasing the power of the existing battery modules, the space efficiency is low, making it difficult to meet the application scenarios of fast charging requirements and limited internal space.

Method used

The layered battery cell structure of the battery module is adopted, and a pair of battery packs are formed by a combined fixing method connecting the guide block, the fixing plate and the fixing component, and a flat rectangular battery cell is used to make more efficient use of the space.

Benefits of technology

It realizes more efficient use of space, reduces the invalid space inside the module, and flexibly designs and assembles battery modules according to different application needs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of battery technology, and discloses a layered battery cell structure of a battery module, characterized in that it comprises: a battery cell, the upper and lower ends of the battery cell are fixedly connected with a connecting guide block, the connecting guide block is fixedly connected with a fixing plate on the side away from the battery cell, a fixing hole is opened on the surface of the fixing plate, a bolt 1 and a wire bolt are engaged at the center of the fixing hole, the bolt 1 is engaged with a connecting plate, and the left and right sides of the bolt 1 are respectively engaged with a fixing component 1 and a fixing component 2; the right end of the fixing component 1 is engaged with a bolt 2, and the left end of the fixing component 2 is engaged with a bolt 3. The utility model forms a pair of battery packs by using the relative combination of connecting guide blocks, which is more convenient in combination, and the battery cell layered structure uses flat, rectangular battery cells, which are more suitable for stacking than cylindrical battery cells because they can more effectively utilize space and reduce the ineffective space inside the module.
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Description

Technical Field

[0001] The utility model relates to the technical field of batteries, and more specifically, to a layered battery core structure of a battery module. Background Art

[0002] In recent years, with the increasing development of new energy, the research and development and production of electric vehicles have received more and more attention. As a key component of electric vehicles, the safety of power batteries is of vital importance. In order to solve the user's mileage anxiety, the improvement of power is crucial; at the same time, in order to meet the needs of fast charging, the battery storage capacity and battery space utilization efficiency are required to be higher. The existing battery modules attempt to solve power anxiety by connecting batteries in series and in parallel to achieve a higher storage capacity, but the space occupied is large, which is more difficult to use when the internal space is limited. Utility Model Content

[0003] In order to overcome the deficiencies of the prior art, the utility model provides a layered battery core structure of a battery module, which has the advantages of more effectively utilizing space and reducing the ineffective space inside the module.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a layered cell structure of a battery module, comprising a cell, wherein the upper and lower ends of the cell are fixedly connected with connecting guide blocks, the connecting guide block is fixedly connected with a fixing plate on a side away from the cell, a fixing hole is opened on the surface of the fixing plate, a bolt 1 and a wire bolt are meshed at the center of the fixing hole, the bolt 1 is meshed with a connecting plate, and the left and right sides of the bolt 1 are respectively meshed with a fixing component 1 and a fixing component 2; the right end of the fixing component 1 is meshed with a bolt 2, the left end of the fixing component 2 is meshed with a bolt 3, the bolt 3 is meshed with a buckle 1, the left end of the bolt 3 is fixedly connected with a fixed connecting component, the left end of the fixed connecting component is fixedly connected with a buckle 2, the bolt 1 and the wire bolt are both meshed with a gasket 1, the bolt 2 is meshed with a gasket 2, and the bolt 3 is meshed with a gasket 3;

[0005] The beneficial effects of adopting the above technical solution are: by utilizing the relative combination and fixing of the connecting guide blocks, a pair of battery packs is formed, which is more convenient in combination, and the cell layer structure uses flat, rectangular cells, which are more suitable for stacking than cylindrical cells because they can utilize space more effectively and reduce the ineffective space inside the module; by utilizing the fixing component one and the fixing component two to assemble the fixed cells, the layered cell structure can be flexibly designed and assembled according to the needs of different applications, and the voltage and capacity can be adjusted by increasing or decreasing the number of cells to meet the needs of different applications.

[0006] As a preferred technical solution of the utility model, the battery core is a layered structure and its shape is a flat rectangle;

[0007] The beneficial effect of adopting the above technical solution is that it can more effectively utilize the space and reduce the invalid space inside the module.

[0008] As a preferred technical solution of the utility model, the connecting guide block is "L" shaped, and the connecting guide blocks connected to the upper and lower ends of the battery cells are facing the same direction;

[0009] The beneficial effect of adopting the above technical solution is that the connecting guide block is "L" shaped, and the connecting guide blocks connected to the upper and lower ends of the battery cell are facing the same direction.

[0010] As a preferred technical solution of the utility model, the directions of the wire bolts after being engaged and fixed are consistent;

[0011] The beneficial effect of adopting the above technical solution is that it is easy to operate when the wire needs to be connected, and it will not cause line confusion.

[0012] As a preferred technical solution of the utility model, the size and shape of the fixing component 1 and the fixing component 2 are mirror images;

[0013] The beneficial effect of adopting the above technical solution is: it is used to fix the overall module when the battery cell is spliced ​​and assembled.

[0014] As a preferred technical solution of the utility model, the rear end of the buckle 1 is not closed and has an opening in a concave shape;

[0015] The beneficial effect of adopting the above technical solution is that it is conducive to facilitating the engagement of the bolt three when fixing the fixing component two and the buckle one.

[0016] As a preferred technical solution of the utility model, the left end of the buckle 2 is an opening whose opening size is equal to the lower end of the bolt 3;

[0017] The beneficial effect of adopting the above technical solution is that it facilitates the contact and fixation between the second buckle and the second bolt.

[0018] As a preferred technical solution of the utility model, the size and model of the fixing component 1 and the bolt 3 are exactly the same;

[0019] The beneficial effects of adopting the above technical solution are: facilitating firm fixation, reducing material requirements and lowering costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of the utility model;

[0021] Figure 2 The utility model structure Figure 1 The enlarged schematic diagram at D in the middle;

[0022] Figure 3It is a top view schematic diagram of the structure of the utility model;

[0023] Figure 4 This is a bottom view schematic diagram of the structure of the utility model;

[0024] Figure 5 It is a schematic diagram of the left side of the structure of the utility model;

[0025] Figure 6 This is a top side display of the structure of the utility model;

[0026] Figure 7 The utility model structure Figure 6 The enlarged schematic diagram at A in the middle;

[0027] Figure 8 The utility model structure Figure 6 The enlarged schematic diagram of point B in the middle;

[0028] Fig. 9 This is a display of the bottom side of the structure of the utility model;

[0029] Fig.10 The utility model structure Fig. 9 Enlarged schematic diagram at point C in the middle.

[0030] In the figure: 1. battery cell; 2. connecting guide block; 3. fixing plate; 4. fixing hole; 5. connecting plate; 6. bolt one; 7. wire bolt; 8. fixing component one; 9. bolt two; 10. fixing component two; 11. buckle one; 12. bolt three; 13. fixing connecting component; 14. buckle two; 15. gasket one; 16. gasket two; 17. gasket three. DETAILED DESCRIPTION

[0031] 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.

[0032] like Figures 1 to 10As shown, the utility model provides a layered battery cell structure of a battery module, including a battery cell 1, the upper end and the lower end of the battery cell 1 are fixedly connected with a connecting guide block 2, the connecting guide block 2 is fixedly connected with a fixing plate 3 on a side away from the battery cell 1, a fixing hole 4 is opened on the surface of the fixing plate 3, a bolt 6 and a wire bolt 7 are meshed at the center of the fixing hole 4, the bolt 6 is meshed with a connecting plate 5, the left and right sides of the bolt 6 are respectively meshed with a fixing component 1 8 and a fixing component 2 10, the right end of the fixing component 8 is meshed with a bolt 2 9, the left end of the fixing component 2 10 is meshed with a bolt 3 12, the bolt 3 12 is meshed with a buckle 11, the left end of the bolt 3 12 is fixedly connected with a fixed connection component 13, the left end of the fixed connection component 13 is fixedly connected with a buckle 2 14, the bolt 1 6 and the wire bolt 7 are both meshed with a gasket 15, the bolt 2 9 is meshed with a gasket 2 16, and the bolt 3 12 is meshed with a gasket 3 17;

[0033] The battery module with a layered structure of the battery cell 1 can be widely used in application scenarios requiring large power and high reliability due to its high energy density, optimized space utilization and good scalability.

[0034] Among them, the battery core 1 is a layered structure and its shape is a flat rectangle;

[0035] The space can be used more effectively and the invalid space inside the module can be reduced.

[0036] The connecting guide block 2 is "L" shaped, and the connecting guide blocks 2 connected to the upper and lower ends of the battery cell 1 face the same direction;

[0037] The stacking of the connecting guide blocks 2 in the right direction is beneficial to the matching and fixing of the battery modules.

[0038] Among them, the directions of the wire bolts 7 after being engaged and fixed are all consistent;

[0039] It is convenient to operate when the wires need to be connected without causing confusion in the lines.

[0040] The size and shape of the fixing component 1 8 and the fixing component 2 10 are mirror images of each other;

[0041] It is used to fix the overall module when the battery cell 1 is spliced ​​and assembled.

[0042] Among them, the rear end of the buckle 11 is not closed and has an opening in a "concave" shape;

[0043] This is beneficial for facilitating the engagement of bolt three 12 when fixing fixing component two 10 and buckle one 11.

[0044] The left end of the buckle 2 14 is an opening whose size is equal to the lower end of the bolt 3 12;

[0045] It is convenient for the buckle 2 14 and the bolt 2 9 to contact and fix.

[0046] Among them, the size and model of the fixing component 1 8 and the bolt 3 12 are exactly the same;

[0047] It is easy to fix and tighten, reducing material requirements and costs.

[0048] The working principle and use process of this utility model:

[0049] First, prepare the battery cells 1 required for assembling the battery module, mate the paired battery cells 1 in the direction in which the connecting guide blocks 2 can be combined and overlapped, then place the fixing plate 3 and the connecting plate 5 on the outside of the overlapping connecting guide blocks 2, engage the wire bolt 7 through the front hole of the connecting plate 5 overlapping with the fixing hole 4, and engage the bolt 6 through the rear hole, and try to ensure that the wiring port of the wire bolt 7 faces the front side during the process of engaging the wire bolt 7. After the paired battery cells 1 are assembled and ready to be assembled into a module, fix the connected connecting bolts 6 at the lower ends of the paired battery cells 1. The connecting guide block 2 is engaged with the connecting plate 5 by means of bolts 1 6 and wire bolts 7 in the same manner, and a battery cell 1 is prepared on the far left, and the connecting guide block 2 at the upper end thereof is engaged with a fixing component 8 by means of bolts 1 6 and wire bolts 7, and then a fixing component 2 10 is engaged with the upper end of the battery cell 1 on the far right by means of bolts 1 6 and wire bolts 7, and the left end of the fixing component 2 10 is engaged with a buckle 1 1 by means of bolts 3 12, and then the buckle 2 14 is pulled to overlap the buckle 2 14 with the right end of the fixing component 8, and then the buckle 2 14 is engaged and fixed by means of bolts 2 9, thereby completing the fixation of the battery module.

[0050] 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.

[0051] 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. The layered cell structure of the battery module is characterized by: include: A battery cell, wherein the upper and lower ends of the battery cell are fixedly connected to a connecting guide block, a side of the connecting guide block away from the battery cell is fixedly connected to a fixing plate, a fixing hole is opened on the surface of the fixing plate, a bolt 1 and a wire bolt are meshed at the center of the fixing hole, the bolt 1 is meshed with the connecting plate, and a fixing component 1 and a fixing component 2 are respectively meshed on the left and right sides of the bolt 1; The right end of the fixing component one is engaged with bolt two, the left end of the fixing component two is engaged with bolt three, the bolt three is engaged with buckle one, the left end of the bolt three is fixedly connected to the fixing connection component, the left end of the fixing connection component is fixedly connected with buckle two, the bolt one and the wire bolt are both engaged with gasket one, the bolt two is engaged with gasket two, and the bolt three is engaged with gasket three.

2. The layered cell structure of the battery module according to claim 1, characterized in that: The battery core is a layered structure and has a flat rectangular shape.

3. The layered cell structure of the battery module according to claim 1, characterized in that: The connecting guide block is "L" shaped, and the connecting guide blocks connected to the upper and lower ends of the battery cells are facing the same direction.

4. The layered cell structure of the battery module according to claim 1, characterized in that: The conductor bolts face the same direction after being engaged and fixed.

5. The layered cell structure of the battery module according to claim 1, characterized in that: The size and shape of the fixing component 1 and the fixing component 2 are mirror images of each other.

6. The layered cell structure of the battery module according to claim 1, characterized in that: The rear end of the buckle 1 is not closed and has an opening in a concave shape.

7. The layered cell structure of the battery module according to claim 1, characterized in that: The left end of the buckle 2 is an opening, and the size of the opening is equal to the lower end of the bolt 3.

8. The layered cell structure of the battery module according to claim 1, characterized in that: The size and model of the fixing component 1 and the bolt 3 are exactly the same.