CN220042200U

CN220042200U - Battery device

Info

Publication number: CN220042200U
Application number: CN202321293728.9U
Authority: CN
Inventors: 丁扬; 王帅锋; 尚雪莉; 刘国峰; 蒋豪
Original assignee: China Innovation Aviation Technology Group Co ltd
Current assignee: China Innovation Aviation Technology Group Co ltd
Priority date: 2023-05-25
Filing date: 2023-05-25
Publication date: 2023-11-17
Anticipated expiration: 2033-05-25

Abstract

The utility model discloses a battery device, which comprises a battery pack and bridging conductive bars, wherein the battery pack is provided with at least two bridging conductive bars, each bridging conductive bar comprises a first connecting area, a second connecting area and a bridging area, the first connecting area and the second connecting area are respectively and electrically connected with electrode output ends of the two battery packs, the bridging areas are used for connecting the first connecting area and the second connecting area, the bridging areas are provided with copper bars, the bridging conductive bars and the copper bars are of an integrated structure, the integration efficiency is effectively improved, and the battery device is convenient to assemble and produce in batches.

Description

Battery device

Technical Field

The utility model relates to the technical field of batteries, in particular to a battery device.

Background

The battery device generally comprises a plurality of battery packs, and the battery packs are provided with conductive bars for overcurrent.

However, in the prior art, in order to meet the requirement that the conductive bar has good overcurrent capability, the conductive bar is generally composed of a plurality of structures, and the assembly efficiency of the battery device is greatly slowed down due to the complex structure, so that the mass production of the battery device is affected.

Disclosure of Invention

In order to overcome at least one of the above-mentioned drawbacks of the prior art, the present utility model provides a battery device having a simple structure and being easy to assemble.

The utility model adopts the technical proposal for solving the problems that:

a battery device, comprising:

at least two battery packs;

the bridging conductive bar is used for electrically connecting the two battery packs and comprises a first connecting area, a second connecting area and a bridging area;

the first connecting region and the second connecting region are respectively and electrically connected with the electrode output ends of the two battery packs;

the bridging region is used for connecting the first connecting region and the second connecting region, the copper bar is arranged on the bridging region, and the bridging conductive bar and the copper bar are of an integrated structure.

Through so setting, jumper two adjacent group battery, integrated into one piece's conducting bar and copper bar have promoted integrated efficiency, also make battery device's subassembly quantity less, the assembly of being convenient for is favorable to battery device's batch production.

In summary, the battery device provided by the utility model has at least the following technical effects:

the battery device comprises a battery pack and bridging conductive bars, wherein the battery pack is provided with at least two bridging conductive bars, each bridging conductive bar comprises a first connecting area, a second connecting area and a bridging area, the copper bars are arranged in the bridging areas, the bridging conductive bars and the copper bars are of an integrated structure, the integration efficiency is effectively improved, and the battery device is convenient to assemble and produce in batches.

Drawings

Fig. 1 is an exploded view of a battery device according to an embodiment of the present utility model;

fig. 2 is a schematic plan view of a battery according to an embodiment of the present utility model;

FIG. 3 is a schematic plan view of the first connection region, the second connection region and the copper bar in the X direction in FIG. 1;

fig. 4 is a plan view of the first connection region, the second connection region, and the copper bar from the X-direction view.

Wherein the reference numerals have the following meanings:

1-a battery; 11-pole; 12-battery cover plate; 2-bridging the conductive bars; 21-a first connection region; 22-a second connection region; 221-a first plane; 222-a second plane; 23-crossover region; 3-copper bars; 31-grooves.

Detailed Description

For a better understanding and implementation, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model.

In the description of the present utility model, it should be noted that, if the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are referred to, the positional relationship is based on the positional relationship shown in the drawings, it is merely for convenience of describing the present utility model and simplifying the description, and it does not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance unless explicitly specified or limited otherwise; the term "plurality" refers to two or more than two; the term "and/or" includes any and all combinations of one or more of the associated listed items. In particular, references to "the/the" object or "an" object are likewise intended to mean one of a possible plurality of such objects.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs; the terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model; the terms "comprising" and "having" and any variations thereof in the description of the utility model and the claims and the description of the drawings above are intended to cover a non-exclusive inclusion.

Further, in the description of the present utility model, it should be understood that the terms "upper", "lower", "inner", "outer", and the like are described with reference to the angle shown in the drawings, and should not be construed as limiting the specific embodiments. It will also be understood that in the context of an element or feature being connected to another element(s) "upper," "lower," or "inner," "outer," it can be directly connected to the other element(s) "upper," "lower," or "inner," "outer," or indirectly connected to the other element(s) "upper," "lower," or "inner," "outer" via intervening elements.

Referring to fig. 1 and 3 together, the utility model discloses a battery device, which comprises a battery pack and a bridging conductive bar 2, wherein the battery pack is provided with at least two, the bridging conductive bar 2 is used for electrically connecting two adjacent battery packs, the bridging conductive bar 2 comprises a first connecting area 21, a second connecting area 22 and a bridging area, the polarities of the first connecting area 21 and the second connecting area 22 are opposite, and the electrode output ends of the two battery packs are respectively electrically connected; the first connecting area 21 and the second connecting area 22 are independently arranged, the bridging area is used for connecting the first connecting area 21 and the second connecting area 22, the copper bar 3 is arranged in the bridging area, the bridging conductive bar 2 and the copper bar 3 are of an integrated structure, the structure is simple, the assembly is convenient, the integration efficiency of the bridging conductive bar 2 is improved, and the assembly efficiency can be effectively improved.

Further, a middle conductive bar (not shown in the figure) is further arranged in the middle of the bridging conductive bars 2 at two sides of the battery pack, and the middle conductive bars are electrically connected with the bridging conductive bars 2.

Specifically, each battery pack includes at least two batteries 1, and the batteries 1 are configured as cylindrical batteries, referring to fig. 2, a pole 11 is disposed on a housing of each cylindrical battery, the poles 11 are opposite to the housing, an upper surface of the housing is defined as a battery cover 12, the pole 11 is convexly disposed on the battery cover 12, a plane where a top surface of the pole 11 is located and a plane where a top surface of the battery cover 12 is located have a height difference, referring to fig. 3 and 4, one of the first connection area 21 and the second connection area 22 is abutted and electrically connected with the pole 11 of one battery pack, the other is abutted and electrically connected with a top plate (i.e. the battery cover 12) of another battery pack housing, and since a plane where the top surface of the pole 11 is located and a plane where the top surface of the battery cover 12 is located are opposite to each other, in this embodiment, the first connection area 21 and the second connection area 22 are also correspondingly disposed with a height difference, the first connection area 21 is used for connecting the pole 11, the second connection area 22 is used for connecting the top plate (i.e. the battery cover 12) of the battery cover 12, the second connection area includes two parallel and continuous planes, one of the first connection area 21 and the second connection area 22 is a first plane 221, which is a right plane 221, which is far from the first plane 221, which is a first plane 221 is a right plane which is a plane that is located far from the first plane 221, and is a plane that is located on the right plane of the first plane 221, and is located far from the plane that is located.

Further, the battery device of the present embodiment further includes an insulating layer (not shown in the figure), where the insulating layer covers the surface of the bridging conductive bar 2 far from the battery pack, and preferably, the insulating layer may be configured to cover all the surfaces of the bridging conductive bar 2, so as to prevent the short circuit phenomenon of the conductive bar 2 of the battery device in the present embodiment; the copper bar 3 or the insulating layer is provided with a groove 31, the opening of the groove 31 faces to one side far away from the battery pack, the groove 31 is positioned between two adjacent battery packs, and when the groove 31 is arranged on the copper bar 3, the bottom surface of the insulating layer in the vertical direction is attached to the upper surface of the copper bar 3, so that a groove is formed at the corresponding position of the upper surface of the insulating layer; it can be understood that the upper surface of the copper bar 3 may be configured to be flush, the groove 31 is disposed on the insulating layer, and in the above-mentioned two positions of the groove 31, the groove 31 is disposed between two adjacent battery packs, so that when the battery device in this embodiment is relatively displaced in the handling or moving process, the thicknesses of the copper bar 3 and the insulating layer on the two sides of the groove 31 are smaller than those of the copper bar 3 and the insulating layer on the two sides of the groove 31 in the vertical direction, so that the stress is concentrated in the groove 31, and with reference to the coordinate system in fig. 3, the direction in which one battery pack points to the adjacent battery pack is defined as the X direction, and the copper bar 3 and the insulating layer on the two sides of the groove 31 in the X direction can perform small-amplitude relative movement, so as to play a role in buffering, prevent the copper bar 3 from breaking, and increase the resistance of the battery device to movement.

More specifically, the battery device of the present embodiment further includes a battery case (not shown in the drawings), in which the battery pack and the conductive bars 2 are disposed, and the conductive bars 2 at the output end of the battery pack are disposed at both ends of the battery case.

In summary, the busbar 2 of the battery device according to the embodiment is the busbar and the copper bar 3 integrally formed, so that the integration efficiency of the busbar 2 is improved, the assembly and mass production of the battery device are facilitated, on the other hand, the groove 31 is formed in the copper bar 3 or the insulating layer, when two adjacent battery packs are relatively displaced, stress is concentrated in the groove 31, the copper bars 3 and the insulating layer on two sides of the groove 31 can perform small-amplitude relative movement, a buffer effect is achieved, the copper bars 3 are prevented from being broken, and the resistance of the battery device to movement is increased.

The technical means disclosed by the scheme of the utility model is not limited to the technical means disclosed by the embodiment, and also comprises the technical scheme formed by any combination of the technical features. It should be noted that modifications and adaptations to the utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims

1. A battery device, characterized by comprising:

at least two battery packs;

a bridging conductive bar (2) for electrically connecting two adjacent battery packs, the bridging conductive bar (2) comprising a first connection region (21), a second connection region (22) and a bridging region;

the first connecting region (21) and the second connecting region (22) are respectively and electrically connected with the electrode output ends of the two battery packs;

the bridging region is used for connecting the first connecting region (21) and the second connecting region (22), the copper bar (3) is arranged in the bridging region, and the bridging conductive bar (2) and the copper bar (3) are of an integrated structure.

2. A battery device according to claim 1, wherein: the copper bar (3) is arranged on the surface, facing the battery pack, of the bridging conducting bar (2).

3. A battery device according to claim 1 or 2, characterized in that: the first connecting region (21) and the second connecting region (22) are independently arranged, and the copper bar (3) is a bridging conductive bar (2) for connecting the first connecting region (21) and the second connecting region (22).

4. A battery device according to claim 2, wherein: the battery pack further comprises an insulating layer, wherein the insulating layer covers the surface, far away from the battery pack, of the bridging conducting bar (2).

5. A battery device according to claim 4, wherein: the insulating layer covers all surfaces of the jumper conductor bars (2).

6. A battery device according to claim 4 or 5, characterized in that: the insulation layer is provided with a groove (31), an opening of the groove (31) faces to one side far away from the battery pack, and the groove (31) is located between two adjacent battery packs.

7. A battery device according to claim 1, wherein: the battery pack comprises at least two batteries (1), the batteries (1) being configured as cylindrical batteries.

8. A battery device according to claim 7, wherein: a pole (11) is arranged on the shell of the cylindrical battery, and the polarity of the pole (11) is opposite to that of the shell.

9. A battery device according to claim 8, wherein: one of the first connection region (21) and the second connection region (22) is abutted against and electrically connected with the pole (11) of one group of the battery packs, and the other is abutted against and electrically connected with the top plate of the other group of the battery pack cases.

10. A battery device according to claim 9, wherein: the first (21) or the second (22) connection zone for abutting the top plate of the battery housing comprises two consecutive planes: -a first plane (221) and a second plane (222), one of the first plane (221) and the second plane (222) being for abutment against a top plate of the housing, the first plane (221) having a height difference from the second plane (222).