CN217444556U - Battery module - Google Patents
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- CN217444556U CN217444556U CN202220442139.1U CN202220442139U CN217444556U CN 217444556 U CN217444556 U CN 217444556U CN 202220442139 U CN202220442139 U CN 202220442139U CN 217444556 U CN217444556 U CN 217444556U
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Abstract
The utility model provides a battery module, include: the electric core assembly comprises a plurality of electric core assemblies; the partition plate is arranged between two adjacent electric core groups and is connected with the electric core groups; the electric core assembly is arranged between the first end plate and the second end plate, and the first end of the partition plate is welded with the first end plate; the first side plate and the second side plate which are arranged oppositely enclose a containing space for containing the electric core assembly between the first end plate, the second end plate, the first side plate and the second side plate, the two ends of the first side plate are respectively connected with the first end plate and the second end plate, and the two ends of the second side plate are respectively connected with the first end plate and the second end plate. The technical scheme of this application can solve being difficult to among the correlation technique effectively and fix the median division board for the lower problem of module rigidity.
Description
Technical Field
The utility model relates to a new energy automobile field particularly, relates to a battery module.
Background
At present, be applied to the module structure of new forms of energy, the electric core module is single row electric core usually in groups, and the module is in groups inefficiency.
And in the big module structure to two rows of electric cores are in groups, increase intermediate bottom between two rows of electric cores and be used for electric core to align the viscose, intermediate bottom and electric core group adhesive bonding are connected, are difficult to fix the intermediate bottom, make module rigidity lower.
SUMMERY OF THE UTILITY MODEL
A primary object of the present invention is to provide a battery module to solve being difficult to fix the centering spacer plate in the correlation technique, make the lower problem of module rigidity.
In order to achieve the above object, the utility model provides a battery module, include: the electric core assembly comprises a plurality of electric core assemblies; the partition plate is arranged between two adjacent electric core groups and is connected with the electric core groups; the electric core assembly is arranged between the first end plate and the second end plate, and the first end of the partition plate is welded with the first end plate; the first side plate and the second side plate which are arranged oppositely enclose a containing space for containing the electric core assembly between the first end plate, the second end plate, the first side plate and the second side plate, the two ends of the first side plate are respectively connected with the first end plate and the second end plate, and the two ends of the second side plate are respectively connected with the first end plate and the second end plate.
Further, the battery module still includes the shielding piece of cover establishing at the first end of baffle, and the shielding piece setting is between electric core subassembly and first terminal plate.
Furthermore, the first end plate is provided with a mounting through hole, and the first end of the partition plate penetrates through the mounting through hole to be connected with the outer surface of the first end plate.
Further, one side of the mounting through hole facing the shielding piece is provided with a flaring structure.
Further, the baffle includes that the baffle main part that is located between two adjacent electric core groups and the connecting plate that is located the first end of baffle main part, and the connecting plate is located to the shielding part cover, and the height of connecting plate is less than the height of baffle main part.
Further, a second end of the spacer is connected to the second end plate.
Further, the battery module still includes first insulating plate and second insulation board, and first insulating plate sets up between electric core subassembly and first end plate, and the second insulation board sets up between electric core subassembly and second end plate, and the first end of baffle is passed first insulating plate and is connected with first end plate.
Further, the height of the first insulating plate is greater than the height of the first end plate, and/or the height of the second insulating plate is greater than the height of the second end plate.
Furthermore, a first bending part is arranged at the top of the first insulating plate and covers the top of the electric core assembly; the second insulation board top is provided with the second portion of buckling, and the second portion of buckling covers at the top of electric core subassembly.
Furthermore, two third bent parts are respectively arranged at two ends of the first side plate in the transverse direction and respectively cover the outer side of the first end plate and the outer side of the second end plate; two transverse ends of the second side plate are respectively provided with two fourth bending parts, the two fourth bending parts respectively cover the outer sides of the first end plate and the second end plate, the first end plate is connected with the third bending part and the fourth bending part in a welding mode, and the second end plate is connected with the third bending part and the fourth bending part in a welding mode.
Use the technical scheme of the utility model, electric core subassembly includes a plurality of electric core groups, and this makes battery module have higher efficiency. The electric core assembly is arranged in the accommodating space formed by the first end plate, the second end plate, the first side plate and the second side plate, and the first end plate, the second end plate, the first side plate and the second side plate can play a role in supporting and protecting the electric core assembly. The baffle sets up between two adjacent electric core groups and is connected with electric core group to the first end and the first end plate welded connection of baffle set up like this and make the baffle can connect with first end plate fastening, can play better supporting effect to electric core subassembly, guarantee that whole battery module has higher rigidity. Therefore, the technical scheme of this application can solve effectively and be difficult to fix the median division board among the correlation technique for the lower problem of module rigidity.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 shows a schematic perspective view of an embodiment of a battery module according to the present invention;
fig. 2 is a schematic view illustrating an exploded structure of the battery module of fig. 1;
fig. 3 is a schematic top view showing a partial structure of the battery module of fig. 1;
fig. 4 shows an enlarged view at a of the battery module of fig. 3;
fig. 5 is an exploded schematic view showing a partial structure of the battery module of fig. 1; and
fig. 6 is a perspective view illustrating a separator and a shutter of the battery module of fig. 1.
Wherein the figures include the following reference numerals:
10. an electrical core assembly; 11. the electric core group; 20. a partition plate; 21. a separator body; 22. a connecting plate; 31. a first end plate; 311. mounting a through hole; 312. a flaring structure; 32. a second end plate; 41. a first side plate; 411. a fifth bent portion; 412. a third bend portion; 42. a second side plate; 421. a seventh bend; 422. an eighth bending part; 423. a fourth bent portion; 50. a shield; 61. a first insulating plate; 611. a first bending portion; 62. a second insulating plate; 621. a second bending portion.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
As shown in fig. 1 to 3, the battery module of the present embodiment includes: the battery assembly 10, the separator 20, the first and second end plates 31 and 32 disposed opposite each other, and the first and second side plates 41 and 42 disposed opposite each other. The electric core assembly 10 comprises a plurality of electric core assemblies 11; the partition plate 20 is arranged between two adjacent electric core groups 11 and is connected with the electric core groups 11; the core assembly 10 is disposed between a first end plate 31 and a second end plate 32, and a first end of the separator 20 is welded to the first end plate 31; the accommodating space for accommodating the electric core assembly 10 is enclosed among the first end plate 31, the second end plate 32, the first side plate 41 and the second side plate 42, two ends of the first side plate 41 are respectively connected with the first end plate 31 and the second end plate 32, and two ends of the second side plate 42 are respectively connected with the first end plate 31 and the second end plate 32.
With the technical solution of the present embodiment, the electric core assembly 10 includes a plurality of electric core assemblies 11, which enables the battery module to have high efficiency. The battery pack 10 is disposed in the accommodating space formed by the first end plate 31, the second end plate 32, the first side plate 41 and the second side plate 42, and the first end plate 31, the second end plate 32, the first side plate 41 and the second side plate 42 can play a role in supporting and protecting the battery pack 10. Baffle 20 sets up between two adjacent electric core groups 11 and is connected with electric core group 11 to baffle 20's first end and first end plate 31 welded connection set up like this and make baffle 20 can with first end plate 31 fastening connection, can play better supporting effect to electric core subassembly 10, guarantee that whole battery module has higher rigidity. Therefore, the technical scheme of this embodiment can solve effectively and be difficult to fix the median septum in the correlation technique for the lower problem of module rigidity.
The first end of the partition board 20 is connected with the first end plate 31 in a welding mode, and the connecting structure has the advantages of being simple in process and good in connecting effect.
In this embodiment, the first end plate 31 and the second end plate 32 are opposite to each other and have the same structure, and the side of the battery module where the first end plate 31 is located and the side of the battery module where the second end plate 32 is located have the same structure. Therefore, only the side where the first end plate 31 is located will be described in detail hereinafter.
As shown in fig. 2 to 6, in the present embodiment, the battery module further includes a shielding member 50 covering the first end of the partition plate 20, and the shielding member 50 is disposed between the electric core assembly 10 and the first end plate 31. Set up baffle 50 between electric core subassembly 10 and first terminal plate 31, the welding position between baffle 20 and the first terminal plate 31 is located the one side that baffle 50 kept away from electric core subassembly 10, and baffle 50 can shelter from the electric spark that produces and the light that produces in the welding process, plays the effect of protection electric core subassembly 10. Due to the fact that the shielding piece 50 is arranged, when welding is conducted, the welding angle does not need to be noticed intentionally, laser welding can be conducted directly in the direction perpendicular to the first end plate 31, and the laser welding device has the advantages of being simple in process and high in efficiency.
Specifically, in the present embodiment, the shield 50 is in interference with the partition 20. The shade 50 is a soft light absorbing material, such as: black silica gel.
As shown in fig. 2, in the embodiment, the first end plate 31 is provided with a mounting through hole 311, and the first end of the partition plate 20 is connected to the outer surface of the first end plate 31 through the mounting through hole 311. The mounting through-holes 311 are provided in the first end plate 31 to facilitate the assembly between the separators 20 and the first end plate 31, thereby improving the assembly efficiency of the battery module.
As shown in fig. 3 and 4, the mounting through-hole 311 is provided with a flare structure 312 on a side thereof facing the shutter 50. The arrangement of the flaring structures 312 facilitates the alignment between the partition plates 20 and the mounting through holes 311, and facilitates the improvement of the assembly efficiency of the battery module.
As shown in fig. 2, the partition board 20 includes a partition board main body 21 located between two adjacent electric core groups 11 and a connecting plate 22 located at a first end of the partition board main body 21, the shielding member 50 is sleeved on the connecting plate 22, and the height of the connecting plate 22 is smaller than that of the partition board main body 21. Baffle main part 21 is higher than connecting plate 22, can carry out effectual spacing to blanking member 50 like this, guarantees assembly efficiency.
As shown in fig. 2, the battery module further includes a first insulating plate 61 and a second insulating plate 62, the first insulating plate 61 is disposed between the electric core assembly 10 and the first end plate 31, the second insulating plate 62 is disposed between the electric core assembly 10 and the second end plate 32, and the first end of the partition plate 20 passes through the first insulating plate 61 to be connected to the first end plate 31. The first insulating plate 61 and the second insulating plate 62 can protect the electric core assembly 10. Accordingly, an insulating plate or an insulating coating may be provided on the inner sides of the first side plate 41 and the second side plate 42.
In the present embodiment, the shutter 50 is disposed between the first insulating plate 61 and the first end plate 31. In embodiments not shown in the figures, the insulation may also be provided between the electric core assembly and the first insulation plate.
As shown in fig. 1 and 2, the height of the first insulating plate 61 is greater than the height of the first end plate 31, and the height of the second insulating plate 62 is greater than the height of the second end plate 32. The portion of the first insulating plate 61 higher than the first end plate 31 can shield electric sparks generated during welding and light generated during welding, and plays a role in protecting the electric core assembly 10.
As shown in fig. 1 to 3, the first insulating plate 61 is provided with a first bending part 611 at the top, and the first bending part 611 covers the top of the electric core assembly 10; the second insulating plate 62 is provided with a second bent portion 621 at the top, and the second bent portion 621 covers the top of the electric core assembly 10. The first bending part 611 is arranged on the first insulating plate 61, and the second bending part 621 is arranged on the top of the second insulating plate 62, so that electric sparks and generated light generated in the welding process can be effectively shielded, and the electric core assembly 10 is protected; meanwhile, the electric core assembly 10 is conveniently aligned with the first insulating plate 61 and the second insulating plate 62 in the assembling process, so that the battery module is conveniently assembled.
Accordingly, the second end of the separator 20 is connected to the second end plate 32. The second end of the spacer 20 is also provided with a connecting plate and an insulator is also provided between the second end plate 32 and the second insulating plate 62, the insulator being fitted over the connecting plate at the second end of the spacer 20. The second end plate 32 is provided with a mounting through hole, and a flaring structure is arranged on one side of the mounting through hole facing the electric core assembly 10. The connecting plate at the second end of the partition plate 20 passes through the mounting through hole and is welded and connected with the outer surface of the second end plate 32
As shown in fig. 1 to 3, in the present embodiment, the top of the first side plate 41 is provided with a fifth bending part 411, the bottom of the first side plate 41 is provided with a sixth bending part, the fifth bending part 411 covers the top of the electric core assembly 10, the first bending part 611 and the second bending part 621, and the sixth bending part is supported at the bottom of the electric core assembly 10; the top of the second side plate 42 is provided with a seventh bending part 421, the bottom of the second side plate 42 is provided with an eighth bending part 422, the seventh bending part 421 covers the top of the electric core assembly 10 and the first bending part 611 and the second bending part 621, and the eighth bending part 422 is supported at the bottom of the electric core assembly 10. Set up fifth bending 411 and sixth bending on first curb plate 41, set up seventh bending 421 and eighth bending 422 on second curb plate 42, can improve the structural strength of first curb plate 41 and second curb plate 42, and then improve the intensity of whole battery module.
As shown in fig. 1 to 3, two third bent portions 412 are respectively provided at both ends of the first side plate 41 in the transverse direction, and the two third bent portions 412 respectively cover the outer side of the first end plate 31 and the outer side of the second end plate 32; two fourth bent portions 423 are respectively disposed at both ends of the second side plate 42 in the transverse direction, and the two fourth bent portions 423 respectively cover the outer sides of the first end plate 31 and the second end plate 32. The first end plate 31 is welded to the third bent portion 412 and the fourth bent portion 423, and the second end plate 32 is welded to the third bent portion 412 and the fourth bent portion 423. Two third bending parts 412 are respectively arranged at two ends of the first side plate 41, and fourth bending parts 423 are respectively arranged at two ends of the second side plate 42, so that the structural strength of the first side plate 41 and the second side plate 42 can be improved, and the strength of the whole battery module is further improved. In addition, the first end plate 31 is connected with the third bending part 412 and the fourth bending part 423, the second end plate 32 is connected with the third bending part 412 and the fourth bending part 423 through a welding process, and the welding device has the advantages of being simple in process and good in connection effect. Meanwhile, the third bending part 412 and the fourth bending part 423 are welded to the first end plate 31, the third bending part 412 and the fourth bending part 423 are welded to the second end plate 32, the welding positions are located on one sides of the first end plate 31 and the second end plate 32, which are far away from the electric core assembly 10, the first insulating plate 61 and the second insulating plate 62 can shield electric sparks generated in the welding process and generated light, and the electric core assembly 10 is protected.
The assembly process of the battery module of the present embodiment is as follows: then the electric core group 11 is bonded with the clapboard 20; attaching a first insulating plate 61 and a second insulating plate 62; then the shield 50 is fitted together with the two ends of the partition 20 in an interference fit; the first end of the partition board 20 is assembled with the installation through hole 311 of the first end board 31 in a board slot manner, the second end of the partition board 20 is assembled with the installation through hole of the second end board 32 in a board slot manner, the assembly gap between the partition board 20 and the first end board 31 and the second end board 32 needs to be capable of ensuring laser welding (for example, the assembly gap can be 0.2mm), and after the first end board 31 and the second end board 32 are installed, the first end board 31 and the second end board 32 can extrude the shielding piece, so that the shielding piece is in an interference compressed state, and the shielding effect is further ensured; and finally, the first side plate 41 and the second side plate 42 are installed and welding operation is carried out, and all welding positions can be welded along the direction perpendicular to the first end plate 31/the second end plate 32, so that the consistency of the welding process is high, and the process efficiency is ensured.
In the present embodiment, one electric core group 11 comprises four electric cores arranged along a column, the electric core assembly 10 comprises two electric core groups 11 arranged side by side, the number of the partition boards 20 is one, and the partition board 20 is arranged between the two electric core groups 11. In other possible embodiments, the number of cells in one cell group may be other numbers, for example: 3, 5 or more; the number of the electric core groups in the electric core assembly is not limited to two, and the number of the corresponding partition plates is changed correspondingly.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A battery module, comprising:
the electric core assembly (10) comprises a plurality of electric core assemblies (11);
the partition plate (20) is arranged between two adjacent electric core groups (11) and is connected with the electric core groups (11);
a first end plate (31) and a second end plate (32) which are oppositely arranged, wherein the electric core assembly (10) is arranged between the first end plate (31) and the second end plate (32), and a first end of the clapboard (20) is connected with the first end plate (31) in a welding way;
the battery pack assembly comprises a first side plate (41) and a second side plate (42) which are oppositely arranged, wherein the first end plate (31), the second end plate (32), a containing space for containing the battery pack assembly (10) is enclosed between the first side plate (41) and the second side plate (42), two ends of the first side plate (41) are respectively connected with the first end plate (31) and the second end plate (32), and two ends of the second side plate (42) are respectively connected with the first end plate (31) and the second end plate (32).
2. The battery module according to claim 1, further comprising a shield (50) fitted over the first end of the separator (20), the shield (50) being disposed between the cell assembly (10) and the first end plate (31).
3. The battery module according to claim 1 or 2, wherein the first end plate (31) is provided with a mounting through-hole (311), and the first end of the separator (20) is connected to the outer surface of the first end plate (31) through the mounting through-hole (311).
4. The battery module according to claim 3, wherein a side of the mounting through-hole (311) facing the shutter (50) is provided with a flare structure (312).
5. The battery module according to claim 2, wherein the separator (20) comprises a separator main body (21) between two adjacent electric core groups (11) and a connecting plate (22) at a first end of the separator main body (21), the shielding member (50) is sleeved on the connecting plate (22), and the height of the connecting plate (22) is less than that of the separator main body (21).
6. The battery module according to claim 2, wherein the second end of the separator (20) is connected to the second end plate (32).
7. The battery module according to claim 2, further comprising a first insulation plate (61) and a second insulation plate (62), the first insulation plate (61) being disposed between the cell assembly (10) and the first end plate (31), the second insulation plate (62) being disposed between the cell assembly (10) and the second end plate (32), the first end of the separator (20) being connected to the first end plate (31) through the first insulation plate (61).
8. The battery module according to claim 7, wherein the first insulating plate (61) has a height greater than that of the first end plate (31) and/or the second insulating plate (62) has a height greater than that of the second end plate (32).
9. The battery module according to claim 7,
the top of the first insulating plate (61) is provided with a first bending part (611), and the first bending part (611) covers the top of the electric core assembly (10);
the second insulation board (62) top is provided with second bending (621), second bending (621) cover is in the top of electric core subassembly (10).
10. The battery module according to any one of claims 5 to 7,
two third bent parts (412) are respectively arranged at two ends of the first side plate (41) in the transverse direction, and the two third bent parts (412) respectively cover the outer side of the first end plate (31) and the outer side of the second end plate (32);
two transverse ends of the second side plate (42) are respectively provided with two fourth bent parts (423), and the two fourth bent parts (423) are respectively covered on the outer sides of the first end plate (31) and the second end plate (32);
wherein the first end plate (31) is in welded connection with the third bent portion (412) and the fourth bent portion (423), and the second end plate (32) is in welded connection with the third bent portion (412) and the fourth bent portion (423).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220442139.1U CN217444556U (en) | 2022-03-01 | 2022-03-01 | Battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220442139.1U CN217444556U (en) | 2022-03-01 | 2022-03-01 | Battery module |
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| Publication Number | Publication Date |
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| CN217444556U true CN217444556U (en) | 2022-09-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220442139.1U Active CN217444556U (en) | 2022-03-01 | 2022-03-01 | Battery module |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116885378A (en) * | 2023-09-05 | 2023-10-13 | 宁德时代新能源科技股份有限公司 | Battery module, battery and electric equipment |
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2022
- 2022-03-01 CN CN202220442139.1U patent/CN217444556U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116885378A (en) * | 2023-09-05 | 2023-10-13 | 宁德时代新能源科技股份有限公司 | Battery module, battery and electric equipment |
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Address after: 518000 1-2 Floor, Building A, Xinwangda Industrial Park, No. 18 Tangjianan Road, Gongming Street, Guangming New District, Shenzhen City, Guangdong Province Patentee after: Xinwangda Power Technology Co.,Ltd. Address before: 518107 Xinwangda Industrial Park, No.18, Tangjia south, Gongming street, Guangming New District, Shenzhen City, Guangdong Province Patentee before: SUNWODA ELECTRIC VEHICLE BATTERY Co.,Ltd. |