CN216085224U

CN216085224U - Novel CCS assembly and battery module

Info

Publication number: CN216085224U
Application number: CN202122557685.8U
Authority: CN
Inventors: 胡文龙; 郑琳; 李磊; 孙世强
Original assignee: Shanghai Lanjun New Energy Technology Co Ltd
Current assignee: Shanghai Lanjun New Energy Technology Co Ltd
Priority date: 2021-10-22
Filing date: 2021-10-22
Publication date: 2022-03-18
Anticipated expiration: 2031-10-22

Abstract

The embodiment of the utility model provides a novel CCS assembly and a battery module, and relates to the technical field of batteries. The novel CCS assembly comprises a support plate and a busbar, wherein the support plate is provided with a plurality of first positioning parts, and the busbar is provided with a plurality of second positioning parts; a plurality of first location portions and a plurality of second location portion one-to-one, first location portion be used for with the second location portion that corresponds cooperate in order to fix a position the busbar, it can avoid better because dislocation between busbar and the backup pad leads to the busbar to connect unstable condition emergence.

Description

Novel CCS assembly and battery module

Technical Field

The utility model relates to the technical field of batteries, in particular to a novel CCS assembly and a battery module.

Background

Battery modules, also known as battery devices, are widely used in various industries due to their high power and stable voltage output characteristics.

The battery module includes CCS subassembly (the battery module gathers the integrated piece), and current CCS subassembly mainly comprises backup pad and busbar, and backup pad and busbar are toward direct welding and form, and at the welded in-process, the dislocation between backup pad and the busbar probably appears and lead to the busbar to connect unstable condition.

SUMMERY OF THE UTILITY MODEL

Objects of the present invention include, for example, providing a novel CCS assembly that promotes bus bar connection stability.

Embodiments of the utility model may be implemented as follows:

the embodiment of the utility model provides a novel CCS assembly, which comprises a supporting plate and a busbar, wherein the supporting plate is provided with a plurality of first positioning parts, and the busbar is provided with a plurality of second positioning parts;

the first positioning portions correspond to the second positioning portions one to one, and the first positioning portions are used for being matched with the corresponding second positioning portions to position the busbar.

Optionally, a plurality of accommodating grooves are formed in the supporting plate, the bus bar includes a plurality of polar plates, the plurality of polar plates correspond to the plurality of accommodating grooves one to one, and the accommodating grooves are used for accommodating the corresponding polar plates;

the bottom wall of each accommodating groove is provided with the first positioning part, and each polar plate is provided with the second positioning part.

Optionally, the first positioning portion is a positioning column, the second positioning portion is a positioning hole, and the positioning column is matched with the corresponding positioning hole.

Optionally, the positioning column is a truncated cone-shaped positioning column, and a top circumferential radius of the positioning column is smaller than a bottom circumferential radius of the positioning column.

Optionally, the top circumference of the positioning column is provided with a fillet.

Optionally, the bus bar further comprises a cover plate, and the bus bar is arranged between the support plate and the cover plate;

the cover plate is provided with a plurality of third positioning portions, the support plate is provided with a plurality of fourth positioning portions, the third positioning portions and the fourth positioning portions correspond to each other one by one, and the third positioning portions are used for being matched with the corresponding fourth positioning portions to position the busbar.

Optionally, the third positioning portion is a boss, the fourth positioning portion is a groove, and the boss is matched with the corresponding groove.

Optionally, the boss is stamped on the cover plate, and the groove is stamped on the support plate.

Optionally, the opening edge of the groove is provided with a fillet.

The embodiment of the utility model also provides a battery module, which comprises a battery cell and the novel CCS assembly, wherein the bus bar is electrically connected with the battery cell.

The novel CCS component and the battery module provided by the embodiment of the utility model have the beneficial effects of, for example: in the process of installing the busbar on the supporting plate, the first positioning part on the supporting plate is matched with the second positioning part on the busbar so as to position the busbar, and the situation that the busbar is unstable in connection due to dislocation between the busbar and the supporting plate can be well avoided.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of a battery module according to an embodiment of the present application;

FIG. 2 is a schematic structural diagram of a support plate according to an embodiment of the present application;

FIG. 3 is a schematic structural diagram of a bus bar according to an embodiment of the present application;

fig. 4 is a schematic structural diagram of a cover plate in the embodiment of the present application.

Icon: 10-a battery module; 100-a support plate; 110-a first positioning portion; 120-a receiving groove; 130-a fourth location section; 200-a busbar; 210-a second positioning section; 220-pole plate; 300-a cover plate; 310-a third positioning section; 400-electric core.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

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, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that if the terms "upper", "lower", "inside", "outside", etc. are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which is usually placed when the utility model is used, it is only for convenience of describing the present invention and simplifying the description, but it is not necessary to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation and be operated, and thus, it should not be construed as limiting the present invention.

Furthermore, the appearances of the terms "first," "second," and the like, if any, are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.

In the process of welding the bus bar, the bus bar may be connected unstably due to dislocation between the bus bar and the support plate; if the dislocation between the busbar and the support plate is manually corrected and then the busbar is welded, the welding efficiency is also reduced. In order to solve the above technical problem, the present embodiment provides a battery module 10.

Referring to fig. 1 to fig. 3, the battery module 10 provided in the present embodiment includes a battery cell 400 and a novel CCS assembly.

The novel CCS assembly includes a support plate 100 and a bus bar 200, the bus bar 200 being used to electrically connect with the battery cells 400. The support plate 100 is provided with a plurality of first positioning portions 110, and the bus bar 200 is provided with a plurality of second positioning portions 210; the plurality of first positioning portions 110 correspond to the plurality of second positioning portions 210 one by one, and the first positioning portions 110 are used for cooperating with the corresponding second positioning portions 210 to position the busbar 200.

In the process of mounting the bus bar 200 on the support plate 100, the first positioning portion 110 on the support plate 100 is matched with the second positioning portion 210 on the bus bar 200 to position the bus bar 200, which can better avoid unstable connection of the bus bar 200 due to misalignment between the bus bar 200 and the support plate 100, and further improve welding efficiency.

In the present embodiment, the supporting plate 100 is provided with a plurality of accommodating grooves 120, the bus bar 200 includes a plurality of polar plates 220, the polar plates 220 correspond to the accommodating grooves 120 one by one, and the accommodating grooves 120 are used for accommodating the corresponding polar plates 220; the bottom wall of each receiving groove 120 is provided with a first positioning portion 110, and each pole plate 220 is provided with a second positioning portion 210.

It should be noted that, when the polar plate 220 is accommodated in the corresponding accommodating groove 120, the top surface of the polar plate 220 is not higher than the top surface of the supporting plate 100, so that the plate surfaces of the polar plate 220 and the supporting plate 100 are relatively flat; in addition, the sizes of the accommodating grooves 120 and the polar plates 220 are matched, and when the polar plates 220 are accommodated in the corresponding accommodating grooves 120, the stability of the polar plates 220 is also higher.

When the bus bar 200 is installed, the first positioning portion 110 on the bottom wall of the accommodating groove 120 and the second positioning portion 210 on the pole plate 220 are matched to position the bus bar 200, so that the bus bar 200 can be accommodated in the accommodating groove 120 more stably.

Further, the first positioning portion 110 is a positioning column, the second positioning portion 210 is a positioning hole, and the positioning column is matched with the corresponding positioning hole.

The positioning columns are matched with the corresponding positioning holes, and the busbar 200 can be positioned at multiple points, so that the busbar 200 is not easy to move relative to the supporting plate 100, and the stability of the busbar 200 is improved while the busbar 200 is positioned.

In this embodiment, the positioning column is a truncated cone-shaped positioning column, and a top circumferential radius of the positioning column is smaller than a bottom circumferential radius of the positioning column.

The positioning column is set to be in a circular truncated cone shape, and when the positioning hole in the polar plate 220 is matched with the positioning column, the positioning column is easily inserted into the corresponding positioning hole, so that the operation is more convenient.

In addition, the top circumference of the positioning column is provided with a round angle, and when the positioning hole on the polar plate 220 is matched with the positioning column, the polar plate 220 is not easily damaged by the positioning column.

Referring to fig. 4, the novel CCS assembly further includes a cover plate 300, and the bus bar 200 is disposed between the support plate 100 and the cover plate 300; the cover plate 300 is provided with a plurality of third positioning portions 310, the support plate 100 is provided with a plurality of fourth positioning portions 130, the plurality of third positioning portions 310 and the plurality of fourth positioning portions 130 correspond to each other one by one, and the third positioning portions 310 are used for being matched with the corresponding fourth positioning portions 130 to position the busbar 200.

After the busbar 200 is arranged on the support plate 100 and is primarily positioned by the cooperation of the first positioning portion 110 and the second positioning portion 210, the third positioning portion 310 on the cover plate 300 is matched with the fourth positioning portion 130 on the support plate 100, the busbar 200 is pressed between the support plate 100 and the cover plate 300, the busbar 200 is secondarily positioned, and the stability of the busbar 200 is further improved.

After the bus bar 200 is positioned, the bus bar 200 can be completely fixed by hot pressing or the like, and the bus bar 200 is not easily detached during transportation or welding of the battery module 10.

In this embodiment, the third positioning portion 310 is a boss, and the fourth positioning portion 130 is a groove, and the boss is matched with the corresponding groove.

Through with the boss joint back in corresponding recess, busbar 200 compresses tightly between backup pad 100 and apron 300, has carried out the secondary positioning to busbar 200, has further promoted busbar 200's stability.

Alternatively, the bosses are stamped on cover plate 300 and the recesses are stamped on support plate 100. The boss and the groove are both formed by stamping, so that the material is greatly saved.

In addition, the opening edge of the groove is provided with a fillet, and when the boss is clamped in the corresponding groove, the arrangement of the fillet can reduce the abrasion between the boss and the opening of the groove.

In this embodiment, the supporting plate 100 may be a plastic-suction plate, which reduces the weight of the assembly and reduces the cost.

According to the novel CCS subassembly and battery module 10 that this embodiment provided, this novel CCS subassembly and battery module 10's theory of operation is: when installing busbar 200, at first wear to locate the locating hole on corresponding polar plate 220 with the reference column on the backup pad 100, carry out primary location to busbar 200, later with the boss joint on the apron 300 in the recess that corresponds on backup pad 100 to carry out secondary location and compress tightly busbar 200 between backup pad 100 and apron 300 to busbar 200, further promoted busbar 200's stability. When welding the busbar 200 on the electric core 400, because the secondary positioning is performed, the situation that the busbar 200 needs to be corrected due to dislocation can be better avoided, and the welding efficiency is improved.

In summary, the present invention provides a novel CCS assembly and a battery module 10, first the first positioning portion 110 of the supporting plate 100 is matched with the second positioning portion 210 of the busbar 200 to perform a primary positioning on the busbar 200, and after the primary positioning, the third positioning portion 310 of the cover plate 300 is matched with the fourth positioning portion 130 of the supporting plate 100 to press the busbar 200 between the supporting plate 100 and the cover plate 300, so as to perform a secondary positioning on the busbar 200, thereby further improving the stability of the busbar 200.

The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims

1. The novel CCS assembly is characterized by comprising a support plate and a busbar, wherein the support plate is provided with a plurality of first positioning parts, and the busbar is provided with a plurality of second positioning parts;

2. The novel CCS assembly of claim 1, wherein the support plate is provided with a plurality of receiving slots, the bus bar comprises a plurality of plates, the plurality of plates are in one-to-one correspondence with the plurality of receiving slots, and the receiving slots are configured to receive the corresponding plates;

3. The novel CCS assembly of claim 1, wherein the first locating portion is a locating post and the second locating portion is a locating hole, and the locating post is matched with the corresponding locating hole.

4. The novel CCS assembly of claim 3, wherein the locator post is a truncated cone shaped locator post having a top circumferential radius smaller than a bottom circumferential radius of the locator post.

5. The novel CCS assembly of claim 4, wherein the locating post is provided with a rounded corner at its top circumference.

6. The novel CCS assembly of claim 1, further comprising a cover plate, the buss bar being disposed between the support plate and the cover plate;

7. The novel CCS assembly of claim 6, wherein the third locating portion is a boss and the fourth locating portion is a groove, the boss mating with the corresponding groove.

8. The novel CCS assembly of claim 7, wherein the boss is stamped in the cover plate and the recess is stamped in the support plate.

9. The novel CCS assembly of claim 7, wherein the open edges of the groove are provided with rounded corners.

10. A battery module comprising a cell and the novel CCS assembly of any one of claims 1 to 9, wherein the buss bar is adapted to be electrically connected to the cell.