CN220628009U

CN220628009U - Side beam of battery package, battery package and vehicle

Info

Publication number: CN220628009U
Application number: CN202322112903.6U
Authority: CN
Inventors: 李�昊
Original assignee: Beijing Chehejia Automobile Technology Co Ltd
Current assignee: Beijing Chehejia Automobile Technology Co Ltd
Priority date: 2023-08-07
Filing date: 2023-08-07
Publication date: 2024-03-19
Anticipated expiration: 2033-08-07

Abstract

The disclosure relates to the technical field of vehicle battery packs, and in particular relates to a side beam of a battery pack, the battery pack and a vehicle. The boundary beam of this battery package includes: a side beam body; the top and the bottom of the side beam body are correspondingly provided with a first connecting plate and a second connecting plate, the first connecting plate is used for connecting a top cover of the battery pack, the second connecting plate is used for connecting a bottom shell of the battery pack, and the first connecting plate and the second connecting plate extend towards the direction of the battery cell and are combined with the side beam body to form a buffer groove; and a buffer block is arranged in the buffer groove. This boundary beam of battery package, through the setting of the buffer tank that extends with the formation of first connecting plate and second connecting plate, can provide installation space for the buffer block, through the setting of buffer block, can avoid boundary beam body and electric core contact when the battery package bumps on the side, utilize flexible buffer block can be better when striking to prevent that the electric core from being pricked by deformed boundary beam body.

Description

Side beam of battery package, battery package and vehicle

Technical Field

The disclosure relates to the technical field of vehicle battery packs, and in particular relates to a side beam of a battery pack, the battery pack and a vehicle.

Background

The battery pack is an energy storage and supply system of the pure electric passenger car, is an important component of the pure electric passenger car, and the box body of the battery pack needs to be capable of accommodating one or more power battery packs, a storage battery management system and corresponding auxiliary components. Therefore, the space arrangement of the battery pack is strict, and the riding comfort of passengers and the power performance of the whole vehicle cannot be influenced.

The boundary beam of the battery package that uses at present is the section bar that has the cavity generally, and the structure of boundary beam is fairly simple, and when the vehicle received the side collision, the boundary beam can form buffer structure through the cavity, but the rigid structure of boundary beam can directly crowd the battery core, perhaps takes place the danger that the battery core was pricked even to arouse the incident.

Disclosure of Invention

In order to solve the technical problem, the present disclosure provides a side beam of a battery pack, the battery pack and a vehicle.

In a first aspect, the present disclosure provides an edge beam of a battery pack, comprising: a side beam body;

the top and the bottom of the side beam body are correspondingly provided with a first connecting plate and a second connecting plate, the first connecting plate is used for connecting a top cover of the battery pack, the second connecting plate is used for connecting a bottom shell of the battery pack, and the first connecting plate and the second connecting plate extend towards the direction of the battery cell and are combined with the side beam body to form a buffer groove;

and a buffer block is arranged in the buffer groove.

Optionally, the buffer block is connected with the boundary beam body in a clamping way through a clamping structure.

Optionally, the joint structure is including setting up connecting strip on the buffer block with set up bar groove on the boundary beam body, connecting strip with the unsmooth cooperation in bar groove.

Optionally, the connecting strip and the strip-shaped groove extend along the extending direction of the boundary beam body.

Optionally, an anti-collision beam is arranged on one side of the side beam body, which is opposite to the battery cell, and the anti-collision beam extends along the extending direction of the side beam body.

Optionally, a first buffer slot is formed in the anti-collision beam, and the extending direction of the first buffer slot is parallel to the plane where the boundary beam body is located.

Optionally, the first buffer groove extends along the extending direction of the boundary beam body.

Optionally, a second buffer groove is formed in the buffer block, and an extending direction of the second buffer groove is parallel to a plane where the boundary beam body is located.

Optionally, the number of the second buffer grooves is plural, and the plural second buffer grooves are arranged in a honeycomb shape.

In a second aspect, the present disclosure provides a battery pack utilizing the side rail of the battery pack as described above.

In a third aspect, the present disclosure provides a vehicle utilizing a battery pack as described above.

Compared with the prior art, the technical scheme provided by the embodiment of the disclosure has the following advantages:

the utility model provides a boundary beam of battery package, through the setting of the buffer tank that extends in order to form of first connecting plate and second connecting plate, can provide installation space for the buffer block, through the setting of buffer block, can avoid rigid structure's boundary beam body and electric core direct contact when the battery package bumps on the side, utilize flexible buffer block can be better when the impact takes place to protect the electric core to prevent to take place the condition that the electric core is punctured by deformed boundary beam body.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the disclosure and together with the description, serve to explain the principles of the disclosure.

In order to more clearly illustrate the embodiments of the present disclosure or the solutions in the prior art, the drawings that are required for the description of the embodiments or the prior art will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.

Fig. 1 is a schematic structural view of a battery pack according to an embodiment of the present disclosure;

fig. 2 is a schematic structural diagram of a frame and a buffer block of a battery pack according to an embodiment of the disclosure;

fig. 3 is a schematic structural view of a connection between a side beam and a buffer block of a battery pack according to an embodiment of the present disclosure;

fig. 4 is a schematic structural view of a connection between a side beam of a battery pack and a top cover and a bottom case of the battery pack according to an embodiment of the present disclosure;

fig. 5 is a schematic structural view of a buffer block of a battery pack according to an embodiment of the present disclosure.

1, a boundary beam body; 11. an anti-collision beam; 111. a first buffer tank; 21. a first connection plate; 22. a second connecting plate; 3. a buffer block; 31. a second buffer tank; 41. a battery cell; 42. a top cover; 43. a bottom case; 51. a connecting strip; 52. a bar-shaped groove.

Detailed Description

In order that the above objects, features and advantages of the present disclosure may be more clearly understood, a further description of aspects of the present disclosure will be provided below. It should be noted that, without conflict, the embodiments of the present disclosure and features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure, but the present disclosure may be practiced otherwise than as described herein; it will be apparent that the embodiments in the specification are only some, but not all, embodiments of the disclosure.

Based on this, this embodiment provides a boundary beam, battery package and vehicle of battery package, through the setting of the buffer tank that extends with the formation of first connecting plate and second connecting plate, can provide installation space for the buffer block, through the setting of buffer block, can avoid rigid structure's boundary beam body and electric core direct contact when the battery package bumps on the side, utilize flexible buffer block can be when striking the better protection electric core to prevent the condition that takes place the electric core to be punctured by the boundary beam body of deformation. The following is a detailed description of the present utility model by way of specific examples:

referring to fig. 1 to 5, an edge beam of a battery pack according to the present embodiment includes: a side beam body 1; the top and the bottom of the side beam body 1 are correspondingly provided with a first connecting plate 21 and a second connecting plate 22, the first connecting plate 21 is used for connecting a top cover 42 of the battery pack, the second connecting plate 22 is used for connecting a bottom shell 43 of the battery pack, and the first connecting plate 21 and the second connecting plate 22 extend towards the direction of the battery cell 41 and are combined with the side beam body 1 to form a buffer groove; the buffer groove is internally provided with the buffer block 3, and it should be understood that the buffer block 3 can be made of flexible materials such as rubber, sponge, foam and the like, and can be made of foaming polyurethane.

Wherein, through the setting of the buffer tank that extends with the formation of first connecting plate 21 and second connecting plate 22, can provide installation space for buffer block 3, through buffer block 3's setting, can avoid rigid structure's boundary beam body 1 and electric core 41 direct contact when the battery package bumps on the side, utilize flexible buffer block 3 can be better when the impact takes place protection electric core 41 to prevent to take place the condition that electric core 41 is punctured by deformed boundary beam body 1.

In some embodiments, the buffer block 3 is connected with the side beam body 1 in a clamping way through a clamping structure; that is, the buffer block 3 can be pre-installed on the boundary beam body 1, so that the assembly difficulty of the whole battery pack is reduced, and meanwhile, the relative position relationship between the buffer block 3 and the boundary beam body 1 can be guaranteed by utilizing the clamping structure, so that the buffer block 3 is prevented from shaking in the buffer groove, and the internal structure of the battery pack is damaged.

With continued reference to fig. 1 to 5, the clamping structure includes a connecting bar 51 provided on the buffer block 3 and a bar groove 52 provided on the side beam body 1, the connecting bar 51 being in concave-convex fit with the bar groove 52; the connection between the buffer block 3 and the boundary beam body 1 can be realized through the arrangement of the connecting strip 51 and the strip-shaped groove 52, and it should be understood that the connecting strip 51 and the strip-shaped groove 52 can be in interference fit; in some embodiments, the connecting strip 51 and the strip groove 52 each extend along the extending direction of the side sill body 1; the connecting strips 51 and the strip grooves 52 are arranged in such a way that the movement of the buffer block 3 in the height direction of the vehicle body can be limited, and the buffer block 3 can be prevented from sliding below the battery cell 41 along with the jolt of the vehicle and during collision, so that the reliability of the whole buffer structure is improved.

With continued reference to fig. 1, 2 and 4, an anti-collision beam 11 is arranged on one side of the side beam body 1 facing away from the battery cell 41, and the anti-collision beam 11 extends along the extending direction of the side beam body 1; through the arrangement of the anti-collision beam 11, the strength of the side beam body 1 can be further improved, and meanwhile, the anti-collision beam 11 is arranged outside, so that the space inside the battery pack cannot be invaded, and the arrangement of the structure inside the battery pack cannot be influenced; the anti-collision beam 11 belongs to an additional beam, so that the anti-collision beam can be lower than the side beam body 1 in height, the structural arrangement of the vehicle chassis is not affected, and the strength of the side beam body 1 can be enhanced.

In some embodiments, the anti-collision beam 11 is provided with a first buffer slot 111, and the extending direction of the first buffer slot 111 is parallel to the plane of the boundary beam body 1; by arranging the first buffer groove 111, a preliminary buffer structure can be formed by using the first buffer groove 111 when side collision occurs, so that the impact of impact force is reduced; in a further embodiment, the first buffer groove 111 extends along the extending direction of the side sill body 1; the arrangement can enable the whole anti-collision beam 11 to be of a hollow steel pipe structure, so that the processing difficulty of the anti-collision beam 11 is reduced, and the cost of the whole battery edge-covering beam is reduced.

With continued reference to fig. 3 and 5, a second buffer groove 31 is formed in the buffer block 3, and the extending direction of the second buffer groove 31 is parallel to the plane of the boundary beam body 1; by providing the second buffer groove 31, the buffer effect of the buffer block 3 made of a flexible material can be further improved.

In some embodiments, the number of the second buffer grooves 31 is plural, and the plurality of second buffer grooves 31 are arranged in a honeycomb shape, or may be arranged in a rectangular array, a circular array, an arc arrangement, or the like, so long as the buffer effect of the buffer block 3 can be further improved while the self-supporting strength of the buffer block 3 is ensured.

In a second aspect, the present disclosure provides a battery pack using the edge beam of the battery pack as described above, with continued reference to fig. 4, the edge beam body 1 may be connected to the top cover 42 of the battery pack through the first connection plate 21, specifically may be connected through FDS screws, the edge beam body 1 may also be connected to the bottom case 43 of the battery pack through the second connection plate 22, specifically may be connected through FDS screws, so that the installation efficiency is higher, and the cross-sectional form is also more concise.

In some embodiments, the top cover 42 of the battery pack is attached to the vehicle body, which not only increases the available space for the battery cells 41, but also reduces the overall weight of the battery pack.

The specific implementation manner and implementation principle are the same as those of the above embodiment, and the same or similar technical effects can be brought, which are not described in detail herein, and specific reference may be made to the description of the side beam embodiment of the above battery pack.

It should be noted that in this document, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The foregoing is merely a specific embodiment of the disclosure to enable one skilled in the art to understand or practice the disclosure. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown and described herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A side rail of a battery pack, comprising: a side beam body;

and a buffer block is arranged in the buffer groove.

2. The edge beam of the battery pack according to claim 1, wherein the buffer block is in clamping connection with the edge beam body through a clamping structure; the clamping structure comprises a connecting strip arranged on the buffer block and a strip-shaped groove arranged on the boundary beam body, and the connecting strip is in concave-convex fit with the strip-shaped groove.

3. The battery pack side rail of claim 2, wherein the connecting bar and the bar groove each extend in an extending direction of the side rail body.

4. The battery pack side beam of claim 1, wherein a side of the side beam body facing away from the battery cell is provided with an anti-collision beam extending in an extending direction of the side beam body.

5. The battery package according to claim 4, wherein the impact beam is provided with a first buffer groove therein, and an extending direction of the first buffer groove is parallel to a plane of the side beam body.

6. The battery pack side rail of claim 5, wherein the first buffer groove extends in an extending direction of the side rail body.

7. The battery pack side rail according to any one of claims 1 to 6, wherein a second buffer groove is formed in the buffer block, and an extending direction of the second buffer groove is parallel to a plane of the side rail body.

8. The battery pack side rail of claim 7, wherein the number of the second buffer grooves is plural, and the plurality of the second buffer grooves are arranged in a honeycomb shape.

9. A battery pack comprising the side rail of the battery pack according to any one of claims 1 to 8.

10. A vehicle comprising the battery pack according to claim 9.