Novel structure of cross-module conductive connection aluminum bar

Abstract

The utility model relates to the technical field of conductive connection, and discloses a novel structure of a cross-module conductive connection aluminum row, which comprises a first main body and a second main body, a connecting part is arranged between the first main body and the second main body, the first main body and the second main body are connected through the connecting part, a first bending part is arranged at the end part of the first main body, and a second bending part is arranged at the end part of the second main body. A first bending part is arranged at the end of the first main body, a second bending part is arranged at the end of the second main body, the first bending part can be folded to be parallel to the first main body, the second bending part can be folded to be parallel to the second main body, the aluminum bar is manufactured through the bending technology, the aluminum bar strength of bridging bars between modules can be effectively enhanced, the sectional area of the aluminum bar after edge folding is increased, and the temperature rise overcurrent performance of the whole aluminum bar is remarkably improved. Meanwhile, redundant materials needed for increasing the sectional area are effectively saved through the edge folding technology, a deformable buffer area can be formed between the first main body and the second main body through the connecting part which is bent and integrally formed, the temperature rising and overflowing effects are better, and deformation can be formed to achieve the buffering purpose.

Description

Technical Field

[0001] This utility model relates to the field of conductive connection technology, and in particular to a novel structure of an aluminum busbar for cross-module conductive connection. Background Technology

[0002] In recent years, the automotive industry has developed rapidly along with the improvement of the economy and people's living standards. Among them, automotive busbars are a type of conductor connector that needs to be used in automobiles. Common automotive busbars include copper busbars and aluminum busbars.

[0003] Existing technology discloses a flat aluminum busbar structure (publication number: CN116722374A), including an aluminum busbar body and a conductive ring. The aluminum busbar body has mounting holes. The conductive ring includes an electrical functional part, a structural support part, and an assembly hole. The structural support part mates with the mounting hole. The size of the electrical functional part is larger than the size of the mounting hole. The aluminum busbar body and the electrical functional part are fixed by laser welding. This invention specifies the use of laser welding to weld the conductive ring and the aluminum busbar body, reducing production steps, decreasing the occurrence of incomplete welds, and improving weld strength.

[0004] The currently commonly used technology (relative to existing technologies in the industry): In current CCS integrated busbars, the required thickness of the conductive busbar material is uniform. If the thickness of the conductive busbars in the same product is inconsistent, a thicker material needs to be milled and formed. The original technology has defects or shortcomings (relative to the technological progress of this invention): For conductive busbars with inconsistent material thickness, the original processing method requires more than twice the material of the conductive busbar itself, and the processing surface is prone to producing textures and tool marks. Unevenness of the product during processing can easily lead to the inability to meet dimensional tolerance requirements. Excessive dimensional tolerance may cause the conductive busbar's overcurrent temperature rise performance to fail to meet the product design value, resulting in conductive busbar temperature control failure, short circuit, and battery module fire. The milling process also generates a large amount of processing debris, resulting in low material utilization and is not conducive to controlling production costs.

[0005] To address this, we propose a novel structure for a cross-module conductive connection aluminum busbar. Utility Model Content

[0006] The present invention aims to solve the technical problems existing in the prior art and provide a novel structure for cross-module conductive connection aluminum busbars.

[0007] To achieve the above objectives, this utility model adopts the following technical solution: a novel structure for a cross-module conductive connection aluminum busbar, comprising:

[0008] A first body and a second body are provided, and a connecting part is provided between the first body and the second body. The first body and the second body are connected by the connecting part. The end of the first body is provided with a first bending part, and the end of the second body is provided with a second bending part. The first bending part can be folded parallel to the first body, and the second bending part can be folded parallel to the second body.

[0009] In a preferred embodiment of this utility model, the connecting part is formed by stamping, and the connecting part is integrally formed with the first body and the second body.

[0010] In a preferred embodiment of this utility model, the connecting part forms a folded plate with an M-shaped cross-section, and the bent portion of the connecting part forms an arc-shaped transition.

[0011] In a preferred embodiment of this utility model, the first bent portion is integrally formed with the first main body, and the first bent portion is formed by bending.

[0012] In a preferred embodiment of this utility model, the second bent portion is integrally formed with the second main body, and the second bent portion is formed by bending.

[0013] In a preferred embodiment of this utility model, a folded edge is fixedly provided on one side of the second main body, and the folded edge can be folded and flipped onto one side of the second bending part.

[0014] In a preferred embodiment of this utility model, the folded edge is integrally formed with the second body, and the folded edge can be folded to form an L-shaped fold plate that covers the edges of the second bent part and the second body.

[0015] This invention provides a novel structure for a cross-module conductive connection aluminum busbar. It offers the following advantages:

[0016] 1. This novel cross-module conductive connection aluminum busbar structure is manufactured through a bending process. Currently, the conductive busbar structure used in CCS integrated busbars is too thin, which cannot meet the actual temperature rise and current carrying capacity requirements within the module. Furthermore, the single thickness leads to poor aluminum busbar strength, posing a risk of breakage during actual use. Compared with the traditional integrated busbar conductive busbar manufacturing process, this process can effectively enhance the strength of the aluminum busbar in the cross-connection between modules. After bending, the cross-sectional area of ​​the aluminum busbar increases, significantly improving the overall temperature rise and current carrying capacity performance of the aluminum busbar. At the same time, the bending process also effectively saves the excess material required to increase the cross-sectional area.

[0017] 2. This novel cross-module conductive connection aluminum busbar structure avoids textures on the machined surface by setting the folded edge, which can directly save the CNC machining process and waste. The strength and temperature rise of the folded edge area are better than those of ordinary series busbars. Attached Figure Description

[0018] Figure 1 This is a perspective view of the entire utility model;

[0019] Figure 2 This is one of the three-dimensional views of the integral molding of this utility model;

[0020] Figure 3 This is the second overall three-dimensional view of the present utility model;

[0021] Figure 4 This is one of the overall unfolded perspective views of this utility model;

[0022] Figure 5 This is the second perspective view of the overall unfolded form of this utility model.

[0023] Legend: 10. First main body; 11. First bend; 12. Second main body; 13. Second bend; 14. Connecting part; 15. Folded edge. Detailed Implementation

[0024] A novel structure for cross-module conductive connection aluminum busbars, such as Figure 1 , Figure 2 and Figure 3 As shown, including:

[0025] A first body 10 and a second body 12 are connected by a connecting portion 14. The first body 10 and the second body 12 are connected by the connecting portion 14. The first body 10 has a first bent portion 11 at one end, and the second body 12 has a second bent portion 13 at one end. The first bent portion 11 can be folded parallel to the first body 10, and the second bent portion 13 can be folded parallel to the second body 12. The first bent portion 11 is integrally formed with the first body 10 by bending, and the second bent portion 13 is integrally formed with the second body 12. The second bend 13 is formed by bending. In this solution, the aluminum busbar is made by bending process. The current conductive busbar structure used in CCS integrated busbar is too thin. The actual temperature rise and flow rate required in the module cannot meet the usage requirements. Moreover, the single thickness will lead to poor strength of the aluminum busbar. In actual use, the aluminum busbar is at risk of breakage. Compared with the traditional integrated busbar conductive busbar manufacturing process, this process can effectively enhance the strength of the aluminum busbar of the inter-module cross-connection busbar. After bending, the cross-sectional area of ​​the aluminum busbar increases, which significantly improves the temperature rise and flow rate performance of the entire aluminum busbar. At the same time, the bending process also effectively saves the excess material required to increase the cross-sectional area.

[0026] A portion of the wall surface on the same side of the first main body 10 and the second main body 12 is cut off to form a notch, and the notch forms a trapezoidal groove.

[0027] like Figure 4As shown, the connecting part 14 is formed by stamping. The connecting part 14 is integrally formed with the first body 10 and the second body 12. The connecting part 14 forms a folded plate with an M-shaped cross section. The bent part of the connecting part 14 forms an arc-shaped transition. The integrally formed connecting part 14 can form a deformable buffer area between the first body 10 and the second body 12, which has better temperature rise and flow effect. Secondly, it can also form deformation to achieve the purpose of buffering.

[0028] like Figure 5 As shown, a folded edge 15 is fixedly provided on one side of the second main body 12. The folded edge 15 can be folded and flipped onto one side of the second bending part 13. The folded edge 15 is integrally formed with the second main body 12. The folded edge 15 can be folded to form an L-shaped fold plate that covers the edges of the second bending part 13 and the second main body 12. The folded edge 15 can avoid the texture generated on the machined surface, and can directly save the CNC machining process and waste. The strength and temperature rise of the folded edge area are better than those of ordinary series busbars. The first main body 10 has the same folded edge 15 on one side. The two folded edges 15 are symmetrically arranged. The folded edge 15 on the side wall of the first main body 10 can cover the first bending part 11 after being folded over. This will not be described in detail here.

[0029] The working principle of this utility model is as follows: Specifically, the aluminum busbar body itself is formed by punching and bending a flat plate. Holes for welding and installation are formed by punching holes in the plate. The middle part of the plate is bent using a bending device to form a connecting part 14. Then, one side of the connecting part 14 is bent to form a first main body 10 and a first bent part 11. The other side of the connecting part 14 is bent to form a second main body 12 and a second bent part 13. The first bent part 11 is flipped to be parallel to the first main body 10, and the second bent part 13 is flipped to be parallel to the second bent part 13. The first bent part 11 and the second bent part 13 are located on the same side of the connecting part 14. After cleaning and flattening, the aluminum busbar body is obtained. After visual inspection, it can be packaged into boxes.

[0030] In summary, it includes the following steps:

[0031] Step 1: Use a die to stamp the overall shape of the aluminum busbar and the small fold at the top of the aluminum busbar.

[0032] Step 2: Clean the aluminum busbars to remove the stamping oil from their surface;

[0033] Step 3: After cleaning, the aluminum strip needs to be pre-folded in a V shape. After pre-folding, use a mold to flatten both sides of the aluminum strip and align them with the bottom surface of the aluminum strip.

[0034] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A novel structure for a cross-module conductive connection aluminum busbar, characterized in that, include: A first body (10) and a second body (12) are provided with a connecting part (14) between the first body (10) and the second body (12). The first body (10) and the second body (12) are connected by the connecting part (14). The end of the first body (10) is provided with a first bending part (11), and the end of the second body (12) is provided with a second bending part (13). The first bending part (11) can be folded parallel to the first body (10), and the second bending part (13) can be folded parallel to the second body (12).

2. The novel cross-module conductive connection aluminum busbar structure according to claim 1, characterized in that: The connecting part (14) is formed by stamping, and the connecting part (14) is integrally formed with the first body (10) and the second body (12).

3. The novel cross-module conductive connection aluminum busbar structure according to claim 1, characterized in that: The connecting part (14) forms a folded plate with an M-shaped cross section, and the bent part of the connecting part (14) forms an arc-shaped transition.

4. The novel cross-module conductive connection aluminum busbar structure according to claim 1, characterized in that: The first bent portion (11) is integrally formed with the first main body (10), and the first bent portion (11) is formed by bending.

5. The novel cross-module conductive connection aluminum busbar structure according to claim 1, characterized in that: The second bending part (13) is integrally formed with the second main body (12), and the second bending part (13) is formed by bending.

6. The novel cross-module conductive connection aluminum busbar structure according to claim 1, characterized in that: The second main body (12) has a folded edge (15) fixedly provided on one side, and the folded edge (15) can be folded and flipped to one side of the second bending part (13).

7. The novel cross-module conductive connection aluminum busbar structure according to claim 6, characterized in that: The folded edge (15) is integrally formed with the second body (12). The folded edge (15) can be folded to form an L-shaped fold plate that covers the edges of the second bent part (13) and the second body (12).

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