Battery middle shell module

Abstract

The invention provides a battery middle shell module, and relates to the technical field of connectors, the battery middle shell module comprises a shell, a main loop wiring group, an auxiliary loop wiring group and a soft copper bar, the main loop wiring group and the auxiliary loop wiring group are embedded in the shell, the soft copper bar is communicated with the main loop wiring group, and the main loop wiring group is connected with the auxiliary loop wiring group. A cutting groove is formed in the top of the shell, a main loop cutting assembly is embedded in the cutting groove, a plurality of insertion grooves are formed in the bottom of the shell, the insertion grooves are used for insertion of the soft copper bars, a plurality of guide grooves are formed in the side face of the shell, and the guide grooves are used for insertion of the main loop wiring group. Through the arrangement of the insertion groove and the guide groove on the shell, the main loop wiring group and the auxiliary loop wiring group are convenient to embed and fix, and a compact and efficient current transmission system is constructed. And moreover, the firmness of connection is ensured, the resistance is effectively reduced, and the current transmission efficiency is further improved.

Description

Technical Field

[0001] The present invention relates to the technical field of connectors, and in particular to a battery middle shell module. Background Art

[0002] With the continuous development of battery technology and the rapid expansion of electric vehicles, energy storage systems and other fields, the design requirements for battery modules are becoming increasingly higher. The traditional battery module shell design often has problems such as complex structure, low current transmission efficiency, low space utilization and poor wiring flexibility. Especially in large battery modules, these problems are particularly prominent, which not only affects the performance and life of the battery, but also increases the difficulty of maintenance and replacement.

[0003] In order to solve these problems, the industry has begun to explore the design of new battery shell modules. On the one hand, it is necessary to optimize the internal layout, improve space utilization, and ensure the smooth and efficient current transmission path; on the other hand, it is also necessary to provide a variety of wiring options to meet the needs of different application scenarios. At the same time, considering the various complex situations that the battery module may encounter during use, such as overheating, short circuit, etc., it is also necessary to ensure that the design has sufficient safety and reliability.

[0004] However, the existing battery shell module design still has many deficiencies in these aspects. For example, although some designs improve space utilization, the current transmission efficiency is seriously affected; although some designs provide a variety of wiring options, the structure is too complicated, which increases the manufacturing cost and maintenance difficulty. Therefore, how to design a battery shell module that is both efficient and practical, safe and reliable has become an important issue that needs to be solved in the current battery technology field. Summary of the invention

[0005] The purpose of the present invention is to address the above-mentioned problems. The present invention proposes a new design scheme for a battery shell module. By optimizing the internal structure layout, improving the current transmission efficiency, increasing the wiring flexibility, and enhancing the safety and reliability, etc., the innovative design aims to solve the problems existing in the prior art and provide a new idea and method for the design of battery modules.

[0006] In order to achieve the above object, the present invention adopts the following technical solutions:

[0007] A battery mid-shell module comprises a shell, a main circuit wiring group, an auxiliary circuit wiring group and a soft copper busbar, wherein the main circuit wiring group and the auxiliary circuit wiring group are embedded in the shell, and the soft copper busbar is connected to the main circuit wiring group. A battery embedding groove is provided on the top of the shell, a cutting groove is provided on the top of the shell, a main circuit cutting assembly is embedded in the cutting groove, a plurality of insertion grooves are provided at the bottom of the shell, and the insertion grooves are used for inserting the soft copper busbar, and a plurality of guide grooves are provided on the side of the shell, and the guide grooves are used for inserting the main circuit wiring group.

[0008] Preferably, the housing is further provided with a fixing block on the side where the guide groove is provided, and the fixing block is provided with a threaded hole.

[0009] Preferably, two main circuit cutting components are provided, and the cross-sections of the two main circuit cutting components in the vertical direction are U-shaped, and the direction of the U-shaped opening is perpendicular to the vertical direction of the shell. One side wall of the U-shape of the main circuit cutting component is located in the cutting groove, and the other side wall extends toward the opening direction, and an annular hole is provided on the main circuit cutting component located in the cutting groove.

[0010] Preferably, the main circuit wiring group includes four main circuit copper bars, one end of which is embedded in the shell, and the other end is extended in a direction perpendicular to the vertical direction of the shell.

[0011] Preferably, six guide grooves are provided, wherein the second and third guide grooves on the left are used for the extension section of the main circuit cutting-off assembly to pass through, and one end of the four main circuit copper bars extending outwards are embedded in the first, fourth, fifth and sixth guide grooves from the left, and a line connecting the ends of the four main circuit copper bars extending outwards is the same straight line as a line connecting the ends of the two main circuit cutting-off assemblies extending outwards.

[0012] Preferably, the auxiliary circuit wiring group includes an auxiliary wiring copper bar, and the five auxiliary wiring copper bars are respectively a first auxiliary wiring copper bar, a second auxiliary wiring copper bar, a third auxiliary wiring copper bar, a fourth auxiliary wiring copper bar and a fifth auxiliary wiring copper bar, wherein the first auxiliary wiring copper bar is arranged in an L shape, and one of the long sides of the first auxiliary wiring copper bar is provided with three wiring holes, and the three wiring holes are respectively arranged corresponding to the right side end portion of the battery embedding slot, and the other long side is extended outward, and the part of the other long side extending outward is provided with a wiring port.

[0013] Preferably, a wiring hole is provided at both ends of the length of the second auxiliary wiring copper bar, the third auxiliary wiring copper bar and the fourth auxiliary wiring copper bar respectively, and the wiring holes on both sides of the second auxiliary wiring copper bar, the third auxiliary wiring copper bar and the fourth auxiliary wiring copper bar are arranged in sequence, and the main parts of the second auxiliary wiring copper bar, the third auxiliary wiring copper bar and the fourth auxiliary wiring copper bar are embedded in the shell and are staggered.

[0014] Preferably, the second auxiliary wiring copper bar, the third auxiliary wiring copper bar and the fourth auxiliary wiring copper bar are extended along the length direction of the shell, and the wiring hole at one end of the second auxiliary wiring copper bar, the third auxiliary wiring copper bar and the fourth auxiliary wiring copper bar is located at the left end of the battery embedding slot, and is arranged one by one with the three wiring holes on the long side of the first auxiliary wiring copper bar, and the wiring hole at the left end of the battery embedding slot is consistent in height with the wiring hole of the first auxiliary wiring copper bar.

[0015] Preferably, the second auxiliary wiring copper bar, the third auxiliary wiring copper bar and the fifth auxiliary wiring copper bar are overlapped in the vertical direction and are located on one side in the width direction of the shell, and the fourth auxiliary wiring copper bar is located on the other side in the width direction of the shell.

[0016] Preferably, the fourth auxiliary wiring copper busbar is provided with two arc-shaped clearance grooves, and the inner side walls of the clearance grooves are arranged cocentrically with the annular hole.

[0017] Compared with the prior art, the present application constructs a compact and efficient current transmission system through the design of the main circuit wiring group and the auxiliary circuit wiring group, and the soft copper busbar is fixed to the main circuit copper busbar. It not only ensures the firmness of the connection, but also effectively reduces the resistance, further improving the current transmission efficiency. In addition, the diversified wiring options and flexible layout design enable the battery shell module to easily adapt to various complex application scenarios, providing great convenience for users. In summary, the battery shell module has not only achieved a breakthrough in technology, but also demonstrated excellent performance and extensive value in practical applications. It is an important innovation in the field of battery module design. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall structure of a battery middle shell module in one embodiment of the present invention;

[0019] Figure 2 This is an exploded schematic diagram of a battery middle shell module in one embodiment of the present invention;

[0020] Figure 3 A bottom view of a battery middle shell module in one embodiment of the present invention;

[0021] Figure 4It is a front view of a battery middle shell module in one embodiment of the present invention.

[0022] Legend: 1. Shell; 11. Battery embedding slot; 12. Cutting slot; 13. Main circuit cutting assembly; 131. Annular hole; 14. Insertion slot; 15. Guide slot; 16. Fixing block; 161. Threaded hole; 2. Main circuit wiring group; 21. Main circuit copper busbar; 3. Auxiliary circuit wiring group; 31. First auxiliary circuit copper busbar; 311. Wiring port; 32. Second auxiliary circuit copper busbar; 33. Third auxiliary circuit copper busbar; 34. Fourth auxiliary circuit copper busbar; 341. Make way slot; 35. Fifth auxiliary circuit copper busbar; 36. Wiring hole; 37. Grounding copper busbar; 4. Soft copper busbar. DETAILED DESCRIPTION

[0023] The present invention is further described in detail below in conjunction with specific embodiments.

[0024] See also Figure 1 , Figure 2 , Figure 3 and Figure 4 A battery middle shell module comprises a shell 1, a main circuit wiring group 2, an auxiliary circuit wiring group 3 and a soft copper busbar 4. The main circuit wiring group 2 and the auxiliary circuit wiring group 3 are embedded in the shell 1, and the soft copper busbar 4 is connected to the main circuit wiring group 2.

[0025] See also Figure 1 and Figure 2 In one embodiment, a battery embedding groove 11 is provided on the right side of the top of the shell 1. There are three battery embedding grooves 11 and they are arranged in an array along the width direction of the shell 1. A cutting groove 12 is provided on the top of the shell 1. A main circuit cutting component 13 is embedded in the cutting groove 12. Two main circuit cutting components 13 are provided. The cross-section of the two main circuit cutting components 13 in the vertical direction is U-shaped, and the direction of the U-shaped opening is perpendicular to the vertical direction of the shell 1. In one embodiment, the main circuit cutting component 13 is U-shaped, and one side wall of the side wall is located in the cutting groove 12, and the other side wall is extended toward the opening direction. The main circuit cutting component 13 located in the cutting groove 12 is provided with an annular hole 131.

[0026] The bottom of the housing 1 is provided with a plurality of insertion slots 14 , and the insertion slots 14 are used for inserting the soft copper busbar 4 .

[0027] In one embodiment, a plurality of guide grooves 15 are provided on the side of the shell 1, and the guide grooves 15 are used for inserting the main circuit wiring group 2. Specifically, six guide grooves 15 are provided, and the second and third guide grooves 15 on the left are used for the extension section of the main circuit cutting assembly 13 to pass through.

[0028] The housing 1 is also provided with a fixing block 16 on the side where the guide groove 15 is provided. The fixing block 16 is provided with a threaded hole 161 for conveniently fixing the position of the housing 1 as a whole.

[0029] The main circuit wiring group 2 includes four main circuit copper bars 21, one end of the main circuit copper bar 21 is embedded in the shell 1, and the other end is extended in a direction perpendicular to the vertical direction of the shell 1. In one embodiment, one end of the four main circuit copper bars 21 embedded in the shell 1 points to the insertion slot 14, and the other end is located in the guide slot 15. Specifically, one end of the four main circuit copper bars 21 is extended and embedded in the first, fourth, fifth and sixth guide slots 15, and the end line of the four main circuit copper bars 21 extending outward is the same straight line as the line connecting the ends of the two main circuit cutting components 13 extending outward.

[0030] See also Figure 3 and Figure 4 The auxiliary circuit wiring group 3 includes an auxiliary wiring copper bar and a grounding copper bar 37, wherein the auxiliary wiring copper bar is provided with five, and the five auxiliary wiring copper bars are respectively a first auxiliary wiring copper bar, a second auxiliary wiring copper bar, a third auxiliary wiring copper bar, a fourth auxiliary wiring copper bar and a fifth auxiliary wiring copper bar, wherein the first auxiliary wiring copper bar is provided in an L-shape, and one of the long sides of the first auxiliary wiring copper bar is provided with three wiring holes 36, and the three wiring holes 36 are respectively provided corresponding to the right end of the battery embedding slot 11, and the other long side thereof is extended outward, and a wiring port 311 is provided on the part of the other long side extending outward.

[0031] The second auxiliary wiring copper bar, the third auxiliary wiring copper bar and the fourth auxiliary wiring copper bar are respectively provided with a wiring hole 36 at both ends of their lengths. The wiring holes 36 on both sides of the second auxiliary wiring copper bar, the third auxiliary wiring copper bar and the fourth auxiliary wiring copper bar are arranged in sequence. The main parts of the second auxiliary wiring copper bar, the third auxiliary wiring copper bar and the fourth auxiliary wiring copper bar are embedded in the shell 1 and are staggered.

[0032] The second auxiliary wiring copper bar, the third auxiliary wiring copper bar and the fourth auxiliary wiring copper bar are extended along the length direction of the shell 1, and the wiring hole 36 at one end of the second auxiliary wiring copper bar, the third auxiliary wiring copper bar and the fourth auxiliary wiring copper bar is located at the left end of the battery embedding groove 11, and is arranged one by one with the three wiring holes 36 on the long side of the first auxiliary wiring copper bar, and the wiring hole 36 at the left end of the battery embedding groove 11 is consistent in height with the wiring hole 36 of the first auxiliary wiring copper bar.

[0033] The wiring holes 36 at both ends of the second auxiliary wiring copper bar, the third auxiliary wiring copper bar and the fourth auxiliary wiring copper bar are arranged correspondingly. In one embodiment, the wiring holes 36 on the left side of the second auxiliary wiring copper bar and the third auxiliary wiring copper bar are higher than the wiring holes 36 on the left side of the fourth auxiliary wiring copper bar.

[0034] The fifth auxiliary wiring copper busbar includes wiring holes 36 at both ends and a main body in the middle, wherein three wiring holes 36 are arranged on the left side of the fifth auxiliary wiring copper busbar, and the three wiring holes 36 are arranged in an array along the width direction of the shell 1, and one wiring hole 36 is arranged at the other end, and the wiring hole 36 on this side is located on the side of the wiring port 311 on the first auxiliary wiring copper busbar away from the long side.

[0035] In one embodiment, the second auxiliary wiring copper bar, the third auxiliary wiring copper bar and the fifth auxiliary wiring copper bar are overlapped in the vertical direction and are located on one side in the width direction of the housing 1, and the fourth auxiliary wiring copper bar is located on the other side in the width direction of the housing 1. In one embodiment, two arc-shaped clearance grooves 341 are provided on the fourth auxiliary wiring copper bar, and the inner side wall of the clearance groove 341 is cocentrically arranged with the annular hole 131.

[0036] In one embodiment, a grounding copper busbar 37 is further provided on the left side of the fifth auxiliary wiring copper busbar.

[0037] The soft copper busbar 4 is used to correspond to the main circuit copper busbar 21. In one embodiment, a trapezoidal groove is provided on the main circuit copper busbar 21, and the width of the trapezoidal groove gradually decreases from the bottom to the opening. The soft copper busbar 4 is provided with a protrusion corresponding to the trapezoidal groove.

[0038] In summary, the battery shell module has achieved efficient and stable current transmission through a series of ingenious designs and innovations, and has also significantly improved the stability and practicality of the overall structure. The careful layout of the main circuit and auxiliary circuit wiring group 3, as well as the ingenious matching of the soft copper busbar 4 and the main circuit copper busbar 21, together construct a current transmission system that is both compact and efficient. It not only ensures the firmness of the connection, but also effectively reduces the resistance, further improving the current transmission efficiency. In addition, the diverse wiring options and flexible layout design enable the battery shell module to easily adapt to various complex application scenarios, providing great convenience for users. In summary, the battery shell module has not only achieved a breakthrough in technology, but also demonstrated excellent performance and extensive value in practical applications. It is an important innovation in the field of battery module design.

Claims

1. A battery shell module, characterized in that: The utility model comprises a shell, a main circuit wiring group, an auxiliary circuit wiring group and a soft copper busbar. The main circuit wiring group and the auxiliary circuit wiring group are embedded in the shell. The soft copper busbar is connected with the main circuit wiring group. A battery embedding groove is arranged on the top of the shell. A cutting groove is arranged on the top of the shell. A main circuit cutting assembly is embedded in the cutting groove. A plurality of insertion grooves are arranged on the bottom of the shell. The insertion grooves are used for inserting the soft copper busbar. A plurality of guide grooves are arranged on the side of the shell. The guide grooves are used for inserting the main circuit wiring group.

2. A battery middle shell module according to claim 1, characterized in that: The housing is also provided with a fixing block on the side where the guide groove is provided, and the fixing block is provided with a threaded hole.

3. A battery middle shell module according to claim 2, characterized in that: There are two main circuit cutting components, and the cross-sections of the two main circuit cutting components in the vertical direction are U-shaped, and the direction of the U-shaped opening is perpendicular to the vertical direction of the shell. One side wall of the U-shaped main circuit cutting component is located in the cutting groove, and the other side wall extends toward the opening direction. An annular hole is provided on the main circuit cutting component located in the cutting groove.

4. A battery middle shell module according to claim 3, characterized in that: The main circuit wiring group includes four main circuit copper bars, one end of which is embedded in the shell, and the other end is extended in a direction perpendicular to the vertical direction of the shell.

5. A battery middle shell module according to claim 4, characterized in that: There are six guide grooves, among which the second and third guide grooves on the left are used for the extension section of the main circuit cutting-off component to pass through, and one end of the four main circuit copper bars is embedded in the first, fourth, fifth and sixth guide grooves from the left, and the end line connecting the outwardly extending ends of the four main circuit copper bars and the outwardly extending end line of the two main circuit cutting-off components are the same straight line.

6. A battery middle shell module according to claim 5, characterized in that: The auxiliary circuit wiring group includes an auxiliary wiring copper bar, and the five auxiliary wiring copper bars are respectively a first auxiliary wiring copper bar, a second auxiliary wiring copper bar, a third auxiliary wiring copper bar, a fourth auxiliary wiring copper bar and a fifth auxiliary wiring copper bar, wherein the first auxiliary wiring copper bar is arranged in an L shape, and one of the long sides of the first auxiliary wiring copper bar is provided with three wiring holes, and the three wiring holes are respectively arranged corresponding to the right end of the battery embedding slot, and the other long side thereof is extended outward, and the part of the other long side extending outward is provided with a wiring port.

7. A battery middle shell module according to claim 6, characterized in that: The second auxiliary wiring copper bar, the third auxiliary wiring copper bar and the fourth auxiliary wiring copper bar are respectively provided with a wiring hole at both ends of their lengths, and the wiring holes on both sides of the second auxiliary wiring copper bar, the third auxiliary wiring copper bar and the fourth auxiliary wiring copper bar are arranged in sequence, and the main parts of the second auxiliary wiring copper bar, the third auxiliary wiring copper bar and the fourth auxiliary wiring copper bar are embedded in the shell and are staggered.

8. A battery middle shell module according to claim 7, characterized in that: The second auxiliary wiring copper bar, the third auxiliary wiring copper bar and the fourth auxiliary wiring copper bar are extended along the length direction of the shell, and the wiring holes at one end of the second auxiliary wiring copper bar, the third auxiliary wiring copper bar and the fourth auxiliary wiring copper bar are located at the left end of the battery embedding slot, and are arranged one by one with the three wiring holes on the long side of the first auxiliary wiring copper bar, and the wiring holes at the left end of the battery embedding slot are consistent in height with the wiring holes of the first auxiliary wiring copper bar.

9. A battery middle shell module according to claim 8, characterized in that: The second auxiliary wiring copper bar, the third auxiliary wiring copper bar and the fifth auxiliary wiring copper bar are overlapped in the vertical direction and are located on one side in the width direction of the shell, and the fourth auxiliary wiring copper bar is located on the other side in the width direction of the shell.

10. A battery middle shell module according to claim 9, characterized in that: The fourth auxiliary wiring copper bar is provided with two arc-shaped clearance grooves, and the inner side walls of the clearance grooves are arranged cocentrically with the annular hole.

Images