CN219677397U - Battery device and copper bar support thereof - Google Patents

Abstract

The utility model discloses a battery device and a copper bar bracket thereof, wherein the copper bar bracket comprises a first body and a second body, the second body is used for being connected with a fixed structure, and the first body is detachably connected with the second body; the surface of the first body opposite to the second body is provided with a plurality of first containing grooves which are formed along a first direction, and the surface of the second body opposite to the first body is provided with a plurality of second containing grooves which are formed along the first direction; the first accommodating grooves and the second accommodating grooves are arranged in a one-to-one correspondence manner in the second direction so as to respectively form limit groove groups matched with corresponding copper bars; the first direction is the length direction of the copper bar, and the second direction is the width direction of the copper bar. By applying the scheme, the reliability of copper bar assembly and fixation can be effectively improved as a whole, and the copper bar assembly and fixation device has better assembly manufacturability.

Description

Battery device and copper bar support thereof

Technical Field

The utility model relates to the technical field of lithium ion batteries, in particular to a battery device and a copper bar bracket thereof.

Background

In the prior art, copper bars inside the battery device are arranged along the extending direction of the beam body. In general, in order to stably perform current transfer in an application scenario with vibration impact, it is required to provide a more reliable assembly and fixation implementation scheme for copper bars.

In view of this, there is a need for an optimized design for the copper bar support structure of the battery device.

Disclosure of Invention

The utility model aims to provide a battery device and a copper bar bracket thereof, which effectively improve the reliability of copper bar assembly and fixation.

The copper bar bracket provided by the embodiment of the utility model is used for assembling and fixing a plurality of copper bars; the copper bar bracket comprises a first body and a second body, wherein the second body is used for being connected with a fixed structure, and the first body is detachably connected with the second body; the surface of the first body opposite to the second body is provided with a plurality of first containing grooves which are formed along a first direction, and the surface of the second body opposite to the first body is provided with a plurality of second containing grooves which are formed along the first direction; the first accommodating grooves and the second accommodating grooves are arranged in a one-to-one correspondence manner in the second direction so as to respectively form limit groove groups matched with corresponding copper bars; the first direction is the length direction of the copper bar, and the second direction is the width direction of the copper bar.

Compared with the prior art, the technical scheme has the following advantages: when the copper bar bracket provided by the scheme is used for assembling and fixing the copper bar, the copper bar can be inserted into the second row containing groove on the second body to form limit on the copper bar; then, the first body is buckled on the second body, and meanwhile, the copper bars exposed in the second row containing grooves are inserted in the corresponding first row containing grooves on the first body. Limiting groove groups formed based on the first body and the second containing grooves jointly form limiting of the copper bars. Therefore, the copper bars can be reliably fixed in the process of transition transportation or actual use, and current transmission can be stably carried out.

In addition, based on the structural characteristics that the first body and the second body are provided with the row containing grooves, the groove depth sizes on the two bodies are smaller, the processing and forming difficulty of the first body and the second body can be reduced, and the processing manufacturability is better. On the whole, can rationally control manufacturing cost on the basis of satisfying copper bar equipment reliability requirement.

Drawings

Fig. 1 is a schematic view of a battery device according to an embodiment;

fig. 2 is a schematic diagram of the overall structure of the copper bar support according to the present embodiment;

FIG. 3 is an exploded view of the assembly of the copper bar bracket shown in FIG. 2;

FIG. 4 is a cross-sectional view A-A of FIG. 2;

FIG. 5 is a cross-sectional view B-B in FIG. 2;

FIG. 6 is a schematic view of another angular formation of the copper bar bracket shown in FIG. 2;

FIG. 7 is a schematic diagram illustrating an assembly relationship between a copper bar support and a corbel according to an embodiment;

FIG. 8 is a cross-sectional view showing the fit between the second buckle and the second bayonet according to the embodiment;

FIG. 9 is a cross-sectional view showing the fit between the limiting plate and the second bayonet according to the embodiment;

fig. 10 illustrates a schematic binding of the rolled strip in the embodiment.

In the figure:

the battery device 100, the copper bar bracket 10, the copper bar 20, the battery 30, the base 40, the supporting beam 41, the second bayonet 42, the first edge 43, the second edge 44 and the through hole 45;

the device comprises a first body 1, a first row groove 11, a top cover 12, a side wall 13, a first bayonet 14, a limit notch 15, a rolling belt containing groove 16, a second body 2, a second row groove 21, a first buckle 22, a limit lug 23, a second buckle 24, a limit plate 25 and a rolling belt 3.

Detailed Description

In order to make the technical solution of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings and specific embodiments.

Without loss of generality, the embodiment of the present utility model is based on the description of the battery device 100 shown in fig. 1, and a structural implementation of the copper bar bracket 10 for assembling and fixing the copper bar 20 is described in detail. It should be understood that the specific function of the components of the battery device 100, such as the battery 30, is not central to the present utility model and does not limit the claimed copper bar support.

Referring to fig. 1 and fig. 2, fig. 1 is a schematic diagram of a battery device according to the present embodiment, and fig. 2 is a schematic diagram of an overall structure of a copper bar support according to the present embodiment.

As shown in fig. 1, each battery 30 of the battery device 100 transmits current through the copper bar 20. The copper bars 20 are fixedly arranged on the supporting beams 41 of the base 40 through a plurality of copper bar brackets 10 which are arranged at intervals.

Here, in order to clearly describe the specific structure of the copper bar bracket and the assembly relationship thereof, the length direction of the copper bar 20 is defined as a first direction X, that is, the arrangement extending direction of the copper bar; defining the width direction of the copper bar 20 as a second direction Y, namely, the inserting direction of the copper bar; the thickness direction of the copper bars 20 is defined as a third direction Z, that is, a direction in which the copper bars 20 are sequentially arranged at intervals.

In this embodiment, the copper bar bracket 10 includes a first body 1 and a second body 2, and the second body 2 is used to connect with a fixed structure, such as, but not limited to, a corbel 41 shown in the drawings. The first body 1 is detachably connected to the second body 2, please refer to fig. 3, which is an exploded view of the assembly of the copper bar bracket 10 shown in fig. 2.

Wherein, the opposite sides of the first body 1 and the second body 2 are provided with three first containing grooves 11, and the opposite sides of the second body 2 and the first body 1 are provided with three second containing grooves 21; each first accommodating groove 11 and each second accommodating groove 21 are formed along the first direction X and are arranged in a one-to-one correspondence in the second direction Y to form a limiting groove group adapted to the corresponding copper bar 20 respectively.

The groove depth dimensions of the first accommodating groove 11 and the second accommodating groove 21 may be configured to be smaller than the dimensions of the copper bar 20 in the second direction Y, so as to jointly construct an assembly limit for the copper bar 20 after the first body 1 and the second body 2 are buckled.

In this embodiment, the assembled copper bar bracket 10 provides three sets of limiting slots for the assembled fixation of three copper bars. In other specific implementations, the first and second rows of slots 11 and 21 that are configured oppositely may be set according to the number of copper bars to be fixed actually, for example, but not limited to, four groups, five groups, and other groups.

In a specific implementation, the detachable connection of the first body 1 and the second body 2 may be implemented by adopting different structures. For example, but not limited to, the two are in a matched bayonet and buckle structure, and when assembled, the hook head of the buckle is placed in the bayonet to construct the detachable connection; when the copper bar is overhauled and maintained or replaced, the buckle is separated from the bayonet, the first body can be taken down, and corresponding operation is performed.

Referring to fig. 2 and 3, the first body 1 includes a top cover 12 and two side walls 13, and the two side walls 13 are located at two sides of the first body 1 in the third direction Z, extend toward the second body 2 along the second direction Y, and respectively cover two sides of the second body 2.

Two first bayonets 14 are provided on each side wall 13, and correspondingly, the first snaps 22 are disposed on both side surfaces of the second body 2, and two first snaps 22 are provided on each side. In this way, the first body 1 can be engaged with the corresponding first catch 22 by the first bayonet 14 on the two side walls 13, and the first bayonet 14 and the first catch 22 are engaged to form a first stop pair to limit the relative movement of the first body 1 and the second body 2 in the second direction Y. Referring also to fig. 4, a cross-sectional view A-A of fig. 2 is shown.

In a specific implementation, the first bayonet 14 and the first buckle 22 adapted to each side may be configured as one group, or may be configured as other different groups (not shown in the figure). In other embodiments, the first bayonet and the first buckle may be disposed on the first body 1 and the second body 2 in opposite directions, that is, the first bayonet is disposed on the second body, and accordingly, the first buckle is disposed on the first body (not shown in the drawings), which also can form a reliable detachable connection therebetween.

In order to further improve the stability of the relative positional relationship between the first body 1 and the second body 2, in this embodiment, a limiting pair is further disposed between the two to limit the relative position therebetween in the first direction X.

As shown in fig. 2 and 3, the side wall 13 of the first body 1 is provided with a limit notch 15, and the second body 2 is provided with a limit bump 23; in this way, when the first body 1 and the second body 2 are buckled, the limiting bump 23 is placed in the limiting notch 15 to form a first limiting pair, so as to limit the relative position of the first body 1 and the second body 2 in the first direction X. Please refer to fig. 5, which is a sectional view B-B of fig. 2.

In the present embodiment, in the first direction X, a set of the adaptive limit bump 23 and the limit notch 15 are located between two sets of the adaptive first bayonet 14 and the first buckle 22. In other words, the two first stop pairs are positioned at the two first limiting pairs, so that the arrangement space in the first direction is fully utilized to improve the fitting stability of the whole structure assembly.

In a specific implementation, the limit projection 23 and the limit recess 15 adapted to each side may also be configured in other different groups (not shown in the figure). Of course, in other implementations, a portion of the limit projection 23 is disposed within the limit recess 15, and the relative position therebetween may also be defined in the first direction X. Similarly, the adaptive limit bump 23 and limit notch 15 may be reversely disposed on the first body 1 and the second body 2.

As described above, the copper bar bracket 10 provided in the present embodiment is fixed to the corbel 41 through the second body 2. Here, a detachable connection is preferably used. Referring to fig. 6 and 7, fig. 6 is a schematic view of another angle of the copper bar bracket shown in fig. 2, and fig. 7 is a schematic view of an assembly relationship between the copper bar bracket and the corbel.

As shown in fig. 6, the second body 2 is provided with a second buckle 24 for adapting to the side of the corbel 41; as shown in fig. 7, the corbel 41 is provided with second bayonets 42, and the second bayonets 42 are configured corresponding to the copper bar brackets for fixing the copper bars, and the actual number and the actual distance can be determined according to the actual application scenario.

The two second buckles 24 are formed by extending the hook heads of the two opposite directions, and can be detachably connected with the second bayonet 42, and a second stop pair for limiting the movement of the second body 2 is formed in the second direction Y. Please refer to fig. 8, which is a cross-sectional view illustrating the fitting relationship between the second buckle 24 and the second bayonet 42, and fig. 8 is formed based on the C-C cut position of the copper bar bracket shown in fig. 6.

Based on the setting of this second locking pair, can install fast and fixed second body 2, on the basis that satisfies the reliable fixed demand of copper bar, have better assembly manufacturability.

In addition, in order to further improve the stability of the relative positional relationship between the copper bar bracket and the corbel, in this embodiment, a limiting plate 25 for adapting to the corbel 41 side is further provided on the second body 2. Referring to fig. 6, 7 and 9, fig. 9 is a cross-sectional view showing the fitting relationship between the limiting plate 25 and the second bayonet 42, and fig. 9 is formed based on the D-D cut-away position of the copper bar bracket shown in fig. 6.

The limiting plate 25 is shown as two spaced apart plates and is adapted to form a second limiting pair with the second bayonet 42 to define the relative position of the second body 24 in the third direction Z. So set up, the size space of make full use of second bayonet socket provides reliable spacing, avoids second body 2 to twist reverse for the corbel.

It is to be understood that the number of the limiting plates 25 is not limited to two as shown in the drawings. In other specific implementations, other configurations of the limiting protrusion may be used, so long as the limiting protrusion can be adapted to the second bayonet 42 on the side of the corbel and form the second limiting pair, which is within the scope of the present utility model.

The second bayonet 42 shown in the figures is rectangular, with two first edges 43 arranged opposite in the first direction X, for the two second catches 24 to be respectively adapted to form a second catch pair; two second edges 44 oppositely arranged in the second direction Y, and two end parts of the limiting plate 25 and the two second edges 44 form a second limiting pair.

For the second bayonet 42, other shapes may be adopted in other specific implementations, as long as the corresponding edges thereof can be respectively matched with the second buckle and the limiting plate, so as to respectively construct a second locking pair and a second limiting pair.

In addition, for the reliable fixing of the copper bar support relative to the corbel, a rolled strip receiving groove 16 may be provided on the outer surface of the first body 1 for receiving the rolled strip 3 for binding the copper bar support 10 to the corbel 41. Referring to fig. 6, 7 and 10, fig. 10 shows a schematic binding diagram of a rolled strip. Correspondingly, the supporting beam 41 is provided with a through hole 45, and the rolling belt 3 is arranged in the through hole 45 in a penetrating way to realize binding. Based on the arrangement of the rolling belt containing groove 16, on one hand, when the binding mode is applied, the placing position of the rolling belt 3 can be accurately aligned, and meanwhile, the loosening in the subsequent use process caused by the deflection of the rolling belt can be avoided, so that the fixing effect is influenced.

In the present embodiment, the strip-rolling groove 16 is provided on the surface of the first body 1 on the side away from the second body 2. In other implementations, the roll strip pockets may also be disposed on other outer surfaces of the first body, rather than being limited to the implementations shown in the figures.

In addition to the foregoing battery mount, the present embodiment also provides a battery device including a plurality of batteries 30 and electrically connected by copper bars 20, respectively; the copper bar 20 is detachably disposed on the supporting beam 41 of the base 40 through the copper bar bracket 10 as described above. It should be understood that the fixing structure for detachably connecting the copper bar support 10 is not limited to the supporting beam 41, and may be other forms of fixing structures on the base for different product types, and the specific implementation manner of the fixing structure is not a core utility model point of the present utility model, and those skilled in the art can implement the fixing structure based on the prior art, so that the description thereof is omitted herein.

The ordinal terms "first" and "second" used herein are used only to describe the same functional constitution or structure in the technical solution. It is to be understood that the use of the ordinal terms "first" and "second" above does not constitute an understanding of the technical solution claimed by the present utility model.

The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.

Claims (13)

1. The copper bar bracket is used for assembling and fixing a plurality of copper bars; the device is characterized by comprising a first body and a second body, wherein the second body is used for being connected with a fixed structure, and the first body is detachably connected with the second body;

the opposite sides of the first body and the second body are provided with a plurality of first containing grooves which are arranged along a first direction, and the opposite sides of the second body and the first body are provided with a plurality of second containing grooves which are arranged along the first direction; the first accommodating grooves and the second accommodating grooves are arranged in a one-to-one correspondence manner in the second direction so as to respectively form limit groove groups matched with corresponding copper bars;

the first direction is the length direction of the copper bar, and the second direction is the width direction of the copper bar.

2. The copper bar bracket of claim 1, wherein the first and second row slots each have a slot depth dimension that is less than a dimension of the copper bar in the second direction.

3. The copper bar bracket according to claim 2, wherein one of the first body and the second body is provided with a first bayonet and the other is provided with a first buckle, the detachable connection is constructed by the first buckle and the first bayonet in an adapting way, and a first stop pair is formed between the first buckle and the first bayonet to limit the relative movement of the first body and the second body in a second direction;

one of the first body and the second body is provided with a limiting notch, the other one is provided with a limiting lug, and at least part of the limiting lug is arranged in the limiting notch to form a first limiting pair so as to limit the relative position of the first body and the second body in a first direction.

4. A copper bar bracket according to claim 3, wherein two sides of the first body in the third direction are respectively provided with side walls, and two side walls extend towards the second body in the second direction and respectively cover two sides of the second body;

the first bayonet is formed on the two side walls of the first body, and correspondingly, the first buckle is configured on the two side surfaces of the second body;

the limiting notch is formed in the two side walls of the first body and is positioned at the outer edge of the corresponding side wall; correspondingly, the limit lugs are arranged on the two side surfaces of the second body;

wherein the third direction is the thickness direction of the copper bar.

5. The copper bar bracket according to claim 3 or 4, wherein at least two sets of the first bayonet and the first buckle adapted and at least one set of the limit notch and the limit bump adapted are configured on both sides of the first body and the second body in the third direction.

6. The copper bar bracket of claim 5, wherein in a first direction, one set of the adapted limit notch and limit tab is located between two sets of the adapted first bayonet and first buckle.

7. The copper bar bracket according to any one of claims 1 to 4 or 6, wherein an outer surface of the first body has a rolled strip pocket.

8. The copper bar bracket according to claim 7, wherein the rolling strip groove is arranged on a surface of the first body on a side away from the second body.

9. The copper bar bracket according to any one of claims 1 to 4 or 6, wherein a second buckle and a limit protrusion for adapting to a fixed structure side are provided on the second body; the second buckle is in detachable connection with the fixed structure side in an adaptive mode, and a second stop pair limiting the movement of the second body in a second direction is formed; the limiting convex part and the fixed structure side are matched to form a second limiting pair so as to limit the relative position of the second body in the third direction.

10. The copper bar bracket according to claim 9, wherein the number of the second buckles is two, and the hook heads of the two are formed by extending away from each other; the limiting convex part is a limiting plate formed by extending from the opposite surfaces of the second body and the side of the fixed structure.

11. A battery device comprising a plurality of batteries electrically connected by copper bars detachably provided on a fixing structure of a base by the copper bar support according to any one of claims 1 to 10.

12. The battery device according to claim 11, wherein the fixing structure is a supporting beam arranged on the base, the copper bar supports are arranged in a plurality of ways at intervals along the first direction, and a plurality of second bayonets are arranged on the supporting beam and are respectively arranged in one-to-one correspondence with the copper bar supports; the second buckle and the limiting convex part of the copper bar support are arranged in the corresponding second bayonet to form a second clamping pair and a second limiting pair respectively.

13. The battery device according to claim 12, wherein the second bayonet includes two first edges disposed opposite to each other in a first direction and two second edges disposed opposite to each other in a second direction, the two second bayonet being configured to be adapted to the two first edges to form the second snap-fit pair, respectively, and both ends of the limit projection and the two second edges forming the second limit pair.