CN217485623U

CN217485623U - Battery pack

Info

Publication number: CN217485623U
Application number: CN202220451976.0U
Authority: CN
Inventors: 闵忠国; 孙永刚; 王玉; 闻皓岩; 万家明; 吴清平; 陈洪亮
Original assignee: Neusoft Reach Automotive Technology Shenyang Co Ltd
Current assignee: Neusoft Reach Automotive Technology Shenyang Co Ltd
Priority date: 2022-03-02
Filing date: 2022-03-02
Publication date: 2022-09-23
Anticipated expiration: 2032-03-02

Abstract

The utility model provides a battery pack, include: a housing having an accommodating space, the housing having an opening communicating with the accommodating space; the mounting beams are arranged on the side wall of the shell at intervals; the battery modules are arranged in one-to-one correspondence with the mounting beams, and each battery module is arranged on the corresponding mounting beam; the cover body is arranged at the opening of the shell body. Use the technical scheme of the utility model the fixed knot that can solve battery module and casing in the correlation technique effectively constructs bulky, the complicated problem of installation.

Description

Battery pack

Technical Field

The utility model relates to a battery device field particularly, relates to a battery package.

Background

Current battery packs generally include a housing and an internal battery module. Wherein, the battery module is main electric energy providing device, and the shell can play the effect of protection to the battery module. The battery module is generally connected with the battery package through the fixing support, the structure occupation space of the fixing support is more, the installation mode is complex, and the energy density of the battery package is influenced.

SUMMERY OF THE UTILITY MODEL

A primary object of the utility model is to provide a battery pack to solve the problem that battery module in the correlation technique is bulky, the installation is complicated with the fixed knot structure of casing.

In order to achieve the above object, the present invention provides a battery pack, including: a housing having an accommodating space, the housing having an opening communicating with the accommodating space; the mounting beams are arranged on the side wall of the shell at intervals; the battery modules are arranged in one-to-one correspondence with the mounting beams, and each battery module is arranged on the corresponding mounting beam; the cover body is arranged at the opening of the shell body.

Further, each mounting beam comprises: the fixed beam is arranged on the side wall of the shell; the tie-beam sets up on the fixed beam, and the battery module sets up on the tie-beam.

Further, the battery pack further includes: the cooling plates are arranged in one-to-one correspondence with the battery modules and clamped between the connecting beam and the battery modules.

Furthermore, a first mounting hole is formed in the fixed beam, a second mounting hole close to the fixed beam and a third mounting hole far away from the fixed beam are formed in the connecting beam, a fourth mounting hole is formed in the battery module, the battery pack further comprises a first fastening piece and a second fastening piece, the first fastening piece is arranged in the first mounting hole and the second mounting hole in a penetrating mode, and the second fastening piece is arranged in the third mounting hole and the fourth mounting hole in a penetrating mode.

Further, the battery module includes the battery, is provided with first protruding structure on the battery, and the second mounting hole sets up on first protruding structure.

Furthermore, the connecting beam comprises a beam body and a second protruding structure arranged on the beam body, the third mounting hole is formed in the second protruding structure, the cooling plate is lapped on the beam body, and the edge of the cooling plate is provided with a mounting notch matched with the second protruding structure.

Further, the battery pack further includes: and the sealing element is arranged between the opening of the shell and the cover body.

Furthermore, the sealing element is a sealing ring, the sealing ring is sleeved on the side wall of the shell, the cover body comprises a top plate and a surrounding plate arranged in the circumferential direction of the top plate, the surrounding plate is located on the outer side of the circumferential direction of the side wall of the shell, and the sealing ring is clamped between the side wall of the shell and the top plate of the cover body.

Furthermore, the sealing ring comprises a sealing groove extending upwards, the side wall of the shell extends into the sealing groove, and a lip edge extending towards the side wall of the shell is arranged on the side wall of the sealing groove.

Further, the battery pack further includes: the clamping structure is arranged between the cover body and the shell, and the cover body is connected with the shell through the clamping structure; and/or, the battery pack further comprises: and the reinforcing beam is arranged on the outer surface of the shell.

Use the technical scheme of the utility model, set up a plurality of installation roof beams in the casing to set up a plurality of battery module that correspond with installation roof beam quantity, install every battery module on the lateral wall of casing through an installation roof beam, this kind of connected mode is connected every battery module with the casing respectively, has promoted the joint strength of battery module and casing. In addition, the mounting beam is simple in structure, convenient to mount and small in occupied space, and the mounting efficiency of the battery pack and the energy density of the battery pack are improved.

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 pack according to the present invention;

fig. 2 is an exploded schematic view of the battery pack of fig. 1;

fig. 3 shows a schematic cross-sectional structure of the battery pack of fig. 1; and

fig. 4 shows a partially enlarged view of the battery pack of fig. 1.

Wherein the figures include the following reference numerals:

10. a housing; 20. mounting a beam; 21. a fixed beam; 22. a connecting beam; 221. a beam body; 222. a second bump structure; 30. a battery module; 31. a battery; 311. a first bump structure; 40. a cover body; 41. a top plate; 42. enclosing plates; 50. a cooling plate; 60. a first fastener; 70. a second fastener; 80. a seal ring; 81. a sealing groove; 82. a lip; 90. a clamping structure; 100. and reinforcing the beam.

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 parts and steps, 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 present application provides a battery pack, and an embodiment of the battery pack of the present application includes: the battery pack includes a case 10, a plurality of mounting beams 20, a plurality of battery modules 30, and a cover 40. Wherein the housing 10 has an accommodating space, and the housing 10 has an opening communicating with the accommodating space; a plurality of mounting beams 20 are arranged on the side wall of the shell 10 at intervals; the plurality of battery modules 30 are arranged in one-to-one correspondence with the plurality of mounting beams 20, and each battery module 30 is arranged on the corresponding mounting beam 20; the cover 40 covers the opening of the housing 10.

By applying the technical scheme of the embodiment, the plurality of mounting beams 20 are arranged in the housing 10, the plurality of battery modules 30 corresponding to the number of the mounting beams 20 are arranged, each battery module 30 is mounted on the side wall of the housing 10 through one mounting beam 20, and each battery module 30 is connected with the housing 10 by the connection mode, so that the connection strength between the battery module 30 and the housing 10 is improved. In addition, the mounting beam 20 has a simple structure, is convenient to mount, occupies a small space, and is beneficial to improving the mounting efficiency of the battery pack and improving the energy density of the battery pack.

The case 10 includes a bottom surface facing the lid 40, and when the height direction of the entire vehicle is relatively wide, the plurality of mounting beams 20 may be stacked in the direction from the bottom surface to the lid 40. The above-mentioned mode of setting up can make full use of the space in whole car direction of height, reduces the space that the battery package took on length direction or width direction to make the arrangement of each structure in whole car optimize more rationally.

It should be further noted that the side wall of the housing 10 includes a first side wall and a second side wall which are oppositely disposed, and each of the mounting beams 20 includes two mounting beams respectively disposed on the first side wall and the second side wall.

As shown in fig. 1 to 3, in the present embodiment, each of the mounting beams 20 includes a fixed beam 21 and a connection beam 22. Wherein, the fixed beam 21 is arranged on the side wall of the shell 10; the connection beam 22 is disposed on the fixing beam 21, and the battery module 30 is disposed on the connection beam 22. In the above structure, the fixing beam 21 is fixedly connected to the sidewall of the case 10, and the connection beam 22 connects the battery module to the fixing beam 21. In actual use, when the model of battery module changes, its structure probably also can produce the change, and at this moment, tie-beam 22 can cooperate in the shape and the structural setting of battery module, plays better connection effect to battery module. The fixing beam 21 can be used as a common member while maintaining its original shape. When the battery pack is assembled, only the corresponding connecting beam 22 needs to be replaced according to the model of the battery module. The structure can improve the universality degree of the battery pack and reduce the production cost of the battery pack.

As shown in fig. 1 to 3, in the present embodiment, the battery pack further includes a plurality of cooling plates 50, the plurality of cooling plates 50 are disposed in one-to-one correspondence with the plurality of battery modules 30, and the cooling plates 50 are interposed between the connection beams 22 and the battery modules 30. In the above structure, the provision of the plurality of cooling plates 50 can increase the cooling area for the battery module 30, thereby enhancing the cooling effect. In addition, the cooling plates 50 are arranged in one-to-one correspondence with the battery modules 30 to increase the cooling area of the battery modules 30, so that the battery modules 30 are cooled uniformly, the local temperature of the battery modules 30 is prevented from being too high, and the safety of the battery pack is improved.

As shown in fig. 1 to 3, in this embodiment, the fixing beam 21 is provided with a first mounting hole, the connecting beam 22 is provided with a second mounting hole close to the fixing beam 21 and a third mounting hole far away from the fixing beam 21, the battery module 30 is provided with a fourth mounting hole, the battery pack further includes a first fastener 60 and a second fastener 70, the first fastener 60 is inserted into the first mounting hole and the second mounting hole, and the second fastener 70 is inserted into the third mounting hole and the fourth mounting hole. The structure is simple, the installation reliability is high, and the connection stability of the battery module and the shell 10 is improved.

As shown in fig. 1 to 3, in the present embodiment, the battery module 30 includes a battery 31, a first protrusion structure 311 is disposed on the battery 31, and a second mounting hole is disposed on the first protrusion structure 311. The structure is convenient for fixing the battery module 30 and the connecting beam 22, and the structure is simple and the installation is convenient.

As shown in fig. 1 to fig. 3, in the present embodiment, the connecting beam 22 includes a beam body 221 and a second protruding structure 222 disposed on the beam body 221, the third mounting hole is disposed on the second protruding structure 222, the cooling plate 50 is lapped on the beam body 221, and a mounting notch disposed in cooperation with the second protruding structure 222 is disposed at an edge of the cooling plate 50. In the above structure, the cooling plate 50 is clamped between the battery module 30 and the connection beam 22, and the cooling plate 50 can be fixed between the battery module 30 and the connection beam 22 after the battery module 30 and the connection beam 22 are connected by the second fastener 70, so that the installation steps of the cooling plate 50 are simplified, and the assembly efficiency of the battery pack is improved. In addition, the edge of the cooling plate 50 is provided with an installation notch matched with the second protruding structure 222, and the second protruding structure 222 can limit the cooling plate 50, so that the probability of the cooling plate 50 shifting between the battery module 30 and the connecting beam 22 is reduced.

As shown in fig. 4, in the present embodiment, the battery pack further includes a sealing member disposed between the opening of the case 10 and the cover 40. In the structure, the sealing element can improve the sealing property between the shell 10 and the cover body 40, reduce the risk of water vapor entering the shell 10 and improve the safety of the battery pack.

As shown in fig. 4, in the present embodiment, the sealing member is a sealing ring 80, the sealing ring 80 is sleeved on the side wall of the casing 10, the cover 40 includes a top plate 41 and a surrounding plate 42 arranged in the circumferential direction of the top plate 41, the surrounding plate 42 is located on the circumferential outer side of the side wall of the casing 10, and the sealing ring 80 is sandwiched between the side wall of the casing 10 and the top plate 41 of the cover 40. The above-described structure can further improve the sealing performance between the case 10 and the lid 40 by clamping the seal ring 80 between the side wall of the case 10 and the top plate 41 of the lid 40.

As shown in fig. 4, in the present embodiment, the sealing ring 80 includes a sealing groove 81 extending upward, a sidewall of the casing 10 extends into the sealing groove 81, and a lip 82 extending toward the sidewall of the casing 10 is disposed on a groove sidewall of the sealing groove 81. The above structure can increase the sealing area between the sealing ring 80 and the sidewall of the housing 10, thereby facilitating the improvement of the sealing performance of the sealing ring 80. In addition, the sealing ring 80 is sleeved on the side wall of the housing 10 through the sealing groove 81, so that the sealing ring 80 can be conveniently positioned and connected. In addition, the lip 82 extending toward the side wall of the housing 10 is disposed on the side wall of the sealing groove 81, so that the sealing between the sealing ring 80 and the side wall of the housing 10 is more compact, and the sealing performance between the housing 10 and the cover 40 is further improved.

It should be noted that, as shown in fig. 4, in the present embodiment, the lip 82 includes a plurality of lips, and each lip 82 gradually inclines upward in a direction from the groove wall of the sealing groove 81 to the side wall of the housing 10, and this arrangement can reduce resistance when the sealing ring 80 is installed on the side wall of the housing, and improve convenience in installing the sealing ring 80.

As shown in fig. 4, in the present embodiment, the battery pack further includes a clamping structure 90, the clamping structure 90 is disposed between the cover 40 and the casing 10, and the cover 40 is connected to the casing 10 through the clamping structure 90. The structure can improve the convenience of connecting the cover body 40 and the shell body 10 and can improve the installation efficiency of the cover body 40 and the shell body 10. In addition, the structure is convenient for opening the cover body 40 to carry out maintenance operation on the structure in the battery pack.

As shown in fig. 1 to 3, in the present embodiment, the battery pack further includes a reinforcing beam 100, and the reinforcing beam 100 is disposed on an outer surface of the case 10. The reinforcing beam 100 can protect the case 10, and the reinforcing beam 100 can increase the strength of the case 10, thereby further improving the safety of the battery pack.

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

1. A battery pack, comprising:

a housing (10) having an accommodating space, the housing (10) having an opening communicating with the accommodating space;

a plurality of mounting beams (20) arranged at intervals on the side wall of the shell (10);

the battery modules (30) are arranged in one-to-one correspondence with the mounting beams (20), and each battery module (30) is arranged on the corresponding mounting beam (20);

and the cover body (40) is arranged at the opening of the shell (10) in a covering manner.

2. The battery pack according to claim 1, wherein each of the mounting beams (20) includes:

a fixed beam (21) provided on a side wall of the housing (10);

the connecting beam (22) is arranged on the fixing beam (21), and the battery module (30) is arranged on the connecting beam (22).

3. The battery pack of claim 2, further comprising:

the cooling plates (50) are arranged in one-to-one correspondence with the battery modules (30), and the cooling plates (50) are interposed between the connecting beam (22) and the battery modules (30).

4. The battery pack according to claim 3, wherein the fixing beam (21) is provided with a first mounting hole, the connecting beam (22) is provided with a second mounting hole close to the fixing beam (21) and a third mounting hole far away from the fixing beam (21), the battery module (30) is provided with a fourth mounting hole, the battery pack further comprises a first fastener (60) and a second fastener (70), the first fastener (60) is arranged in the first mounting hole and the second mounting hole in a penetrating manner, and the second fastener (70) is arranged in the third mounting hole and the fourth mounting hole in a penetrating manner.

5. The battery pack according to claim 4, wherein the battery module (30) includes a battery (31), the battery (31) is provided with a first protrusion structure (311), and the second mounting hole is provided on the first protrusion structure (311).

6. The battery pack according to claim 4, wherein the connecting beam (22) comprises a beam body (221) and a second protruding structure (222) disposed on the beam body (221), the third mounting hole is disposed on the second protruding structure (222), the cooling plate (50) is overlapped on the beam body (221), and a mounting notch disposed in cooperation with the second protruding structure (222) is disposed at an edge of the cooling plate (50).

7. The battery pack of claim 1, further comprising:

a seal member provided between the opening of the case (10) and the lid body (40).

8. The battery pack according to claim 7, wherein the sealing member is a sealing ring (80), the sealing ring (80) is sleeved on the side wall of the housing (10), the cover (40) comprises a top plate (41) and a surrounding plate (42) arranged in the circumferential direction of the top plate (41), the surrounding plate (42) is located on the circumferential outer side of the side wall of the housing (10), and the sealing ring (80) is sandwiched between the side wall of the housing (10) and the top plate (41) of the cover (40).

9. The battery pack according to claim 8, wherein the sealing ring (80) comprises an upwardly extending sealing groove (81), the sidewall of the housing (10) extends into the sealing groove (81), and a lip (82) extending toward the sidewall of the housing (10) is disposed on the groove sidewall of the sealing groove (81).

10. The battery pack of claim 1, further comprising:

the clamping structure (90) is arranged between the cover body (40) and the shell (10), and the cover body (40) is connected with the shell (10) through the clamping structure (90); and/or the presence of a gas in the atmosphere,

the battery pack further includes:

a reinforcement beam (100) disposed on an outer surface of the housing (10).