CN213026304U

CN213026304U - Battery module and have its vehicle

Info

Publication number: CN213026304U
Application number: CN202022444751.6U
Authority: CN
Inventors: 单小林; 郑慧苗; 麻玉连; 刘建华
Original assignee: Svolt Energy Technology Co Ltd
Current assignee: Svolt Energy Technology Co Ltd
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2021-04-20
Anticipated expiration: 2030-10-28

Abstract

The application discloses battery module and vehicle that has it, battery module includes: the electric core group; the side plates and the end plates are two opposite to each other and are connected with each other to limit the accommodating space of the electric core group; wherein the height H of the battery module and the height H of the end plate satisfy: h is more than or equal to 0.65H and less than or equal to 0.75H. Therefore, on the one hand, on the premise of providing installation space for the high-low voltage interface and the fastening piece, the high-low voltage interface and the fastening piece are prevented from protruding out of the surface of the battery module, the space occupation of the battery module is reduced, and the arrangement of the battery module and the assembly between the battery module and surrounding components are simpler and more convenient; on the other hand, can reduce the length of fastener to make the position that sets up of high-low pressure interface more reasonable, make setting up of high-low pressure interface on battery module simple, convenient more, improve battery module's assembly efficiency.

Description

Battery module and have its vehicle

Technical Field

The utility model belongs to the technical field of the vehicle technique and specifically relates to a battery module and have its vehicle is related to.

Background

With the increasing scarcity of petroleum resources and the rising demand for environmental protection, new energy vehicles, especially electric vehicles, become a major direction for the development of the vehicle industry.

In the related art, the battery pack is composed of a plurality of battery modules, and the plurality of battery modules are connected in series or in parallel to output electric energy with a large voltage. Therefore, in the design process of the battery module, a high-low voltage interface mounting position and a mechanical fixing structure mounting position need to be reserved on the battery module. However, the existing battery pack is not reasonable in design, so that the high-low voltage interfaces are not reasonable in arrangement position, and the battery module is difficult to assemble.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the utility model is to provide a battery module, battery module's structure is more reasonable, makes the assembly of high-low pressure interface setting and battery module simpler, convenient.

The utility model further provides a vehicle, the vehicle has above-mentioned battery module.

According to the utility model discloses battery module of vehicle of first aspect embodiment includes: the electric core group; the side plates and the end plates are two opposite to each other and are connected with each other to limit the accommodating space of the electric core group; wherein the height H of the battery module and the height H of the end plate satisfy: h is more than or equal to 0.65H and less than or equal to 0.75H.

According to the battery module of this application embodiment, make battery module's high H and the high H of end plate satisfy: h is not less than 0.65H and not more than 0.75H, on one hand, on the premise of providing installation space for the high-low voltage interface and the fastening piece, the high-low voltage interface and the fastening piece are prevented from protruding out of the surface of the battery module, the space occupation of the battery module is reduced, and the arrangement of the battery module and the assembly between the battery module and surrounding components are simpler and more convenient; on the other hand, can reduce the length of fastener to make the position that sets up of high-low pressure interface more reasonable, make setting up of high-low pressure interface on battery module simple, convenient more, improve battery module's assembly efficiency.

According to some embodiments of the invention, the side plate comprises: first board and be located the connecting plate portion of first board tip, first board with the laminating of electric core group sets up, the connecting plate portion with the end plate is fixed.

In some embodiments, an upper edge of the web portion is lower than an upper surface of the end plate, and a lower edge of the web portion is higher than a lower surface of the end plate.

Further, the distance between the upper edge of the connecting plate part and the upper surface of the end plate is 2mm-6mm, and the distance between the lower edge of the connecting plate part and the lower surface of the end plate is 2mm-6 mm.

In some embodiments, a lower edge of the first plate portion is flush with a lower edge of the connector plate portion.

Further, the connection area of the first plate part and the connecting plate part is in rounded transition.

In some embodiments, two ends of the side surface of the end plate facing away from the electric core pack are configured as stepped surfaces, and the connecting plate portion is disposed on the stepped surfaces.

According to some embodiments of the utility model, the last border of first board is located below the upper surface of electric core group, preceding side border is located the rear of the front surface of electric core group, back side border is located the place ahead of the back surface of electric core group.

According to some embodiments of the present invention, the battery module further comprises: the battery module further includes: a top plate, the top plate comprising: with the just right last board portion of electric core group and with the just right shielding plate portion of curb plate, go up the board portion with the electric core group is connected, shielding plate portion wraps the last border setting of curb plate.

According to the utility model discloses vehicle of second aspect embodiment includes: the battery module described in the above embodiments.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a perspective view illustrating a battery module according to an embodiment of the present application;

fig. 2 is a schematic front view of a battery module according to an embodiment of the present application;

fig. 3 is a partially enlarged schematic view of the area a in fig. 1.

Reference numerals:

the battery module 100 is provided with a battery case,

the electric core pack 10, the side plates 20, the first plate portion 21, the connecting plate portion 22,

the end plate 30, the top plate 40, the upper plate 41, and the shielding plate 42.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

A battery module 100 and a vehicle having the same according to an embodiment of the present invention will be described below with reference to fig. 1 to 3.

As shown in fig. 1 and 2, a battery module 100 of a vehicle according to an embodiment of the first aspect of the present invention includes: the electric core group 10; the side plates 20 and the end plates 30 are opposite to each other, and the side plates 20 and the end plates 30 are connected to each other to define a containing space of the electric core pack 10; wherein, the height H of the battery module 100 and the height H of the end plate 30 satisfy: h is more than or equal to 0.65H and less than or equal to 0.75H.

Specifically, a plurality of electric cores stack up the setting in order to constitute electric core group 10, and electric core group 10 sets up in the accommodation space that curb plate 20 and end plate 30 were injectd, and end plate 30, curb plate 20 are two and just right each other to inject into the accommodation space of rectangle, thereby can hold more battery module 100 in making the accommodation space.

Furthermore, the height of the end plate 30 is set to be 0.65-0.75 times of the height of the battery module 100, so that the upper surface of the end plate 30 and the side surface of the electric core pack 10 define a step surface, and fixing hole positions can be formed on the end plate 30 to correspondingly define a high-low voltage interface mounting position and a mechanical fixing structure mounting position.

According to the battery module 100 of the embodiment of the present application, the height H of the battery module 100 and the height H of the end plate 30 satisfy: h is not less than 0.65H and not more than 0.75H, on one hand, on the premise of providing installation space for the high-low voltage interfaces and the fasteners, the high-low voltage interfaces and the fasteners are prevented from protruding out of the surface of the battery module 100, the space occupation of the battery module 100 is reduced, and the arrangement of the battery module 100 and the assembly between the battery module and surrounding components are simpler and more convenient; on the other hand, can reduce the length of fastener to make the position that sets up of high-low pressure interface more reasonable, make the setting of high-low pressure interface on battery module 100 simple, convenient more, improve battery module 100's assembly efficiency.

As shown in fig. 1 and 3, according to some embodiments of the present invention, the side plate 20 includes: first plate portion 21 and connecting plate portion 22 located at the end of first plate portion 21, first plate portion 21 and core pack 10 are attached to each other, and connecting plate portion 22 and end plate 30 are fixed to each other.

Wherein, in some embodiments, the connection plate portion 22 is welded to the end plate 30, and in other embodiments, the connection plate portion 22 is bonded to the end plate 30, and the first plate portion 21 is attached to the electric core assembly 10, so that the arrangement of the components in the battery module 100 is more compact, the space utilization is more reasonable, and the energy density is higher.

As shown in fig. 2, the upper edge of the web portion 22 is lower than the upper surface of the end plate 30, and the lower edge of the web portion 22 is higher than the lower surface of the end plate 30. Thus, on one hand, the upper edge of the connecting plate portion 22 with a small thickness is lower than the upper surface of the end plate 30, so that the connecting plate portion 22 can be prevented from contacting the high-voltage wire harness positioned around the battery module 100, and the insulating layer of the high-voltage wire harness can be prevented from being cut by the connecting plate portion 22, so that insulation failure can be avoided, and the working stability and the use safety of the battery module 100 can be improved; on the other hand, the lower edge of the connecting plate portion 22 is prevented from being located below the lower surface of the end plate 30, and the lower surface of the battery module 100 is made flat, so that unevenness in the assembled cross section of the battery module 100 is avoided, and further, the torque attenuation is avoided, and the assembly reliability of the battery module 100 is improved.

Preferably, the distance between the upper edge of the connecting plate portion 22 and the upper surface of the end plate 30 is 2mm to 6mm, and the distance between the lower edge of the connecting plate portion 22 and the lower surface of the end plate 30 is 2mm to 6 mm. Like this, make the material of connecting plate portion 22 more reasonable, avoid producing great breach at the border of curb plate 20 to improve battery module 100's structural strength, when avoiding electric core in the electric core group 10 to produce the inflation, stress concentration appears in the part of curb plate 20, damage battery module 100.

In some embodiments, the lower edge of the first plate portion 21 is flush with the lower edge of the connecting plate portion 22. From this, not only make curb plate 20's simple structure, can reduce the punching press process in the curb plate 20 course of working, make curb plate 20's processing simpler, convenient, can avoid the lower border unevenness of curb plate 20 moreover, avoid causing the damage to assembly personnel in the assembling process, improve the assembly security.

Further, the connection area of the first plate portion 21 and the connecting plate portion 22 is rounded. In this way, the four corner regions of the battery module 100 are each configured as rounded transitions.

In the specific embodiment shown in fig. 3, both ends of the side of the end plate 30 facing away from the electric core pack 10 are configured as stepped surfaces on which the connection plate portion 22 is disposed. Thereby, the connection plate portion 22 can be prevented from protruding the side surface of the end plate 30, so that the side surface of the battery module 100 is more flat.

It will be appreciated that according to some embodiments of the present invention, the upper edge of the first plate portion 21 is located below the upper surface of the electric core assembly 10, the front side edge is located behind the front surface of the electric core assembly 10, and the rear side edge is located in front of the rear surface of the electric core assembly 10.

In other words, the contour dimension of the circumferential edge of the side plate 20 is smaller than the projection dimension corresponding to the battery module 100, so as to prevent the side plate 20 from interfering with or cutting the surrounding components or the boundary components, and improve the use safety of the battery module 100.

According to some embodiments of the present invention, the battery module 100 further includes: the battery module 100 further includes: a top plate 40, the top plate 40 including: the battery pack comprises an upper plate part 41 right opposite to the battery cell pack 10 and a shielding plate part 42 right opposite to the side plate 20, wherein the upper plate part 41 is connected with the battery cell pack 10, and the shielding plate part 42 is arranged by surrounding the upper edge of the side plate 20.

Specifically, the shielding plate portion 42 is configured as an insulator and is disposed to surround the side plate 20, and the upper plate portion 41 is disposed above the electric core pack 10 and is configured as an insulator. Therefore, the insulating performance of the battery module 100 can be effectively improved, so as to improve the use safety and the service life of the battery module 100.

According to the utility model discloses vehicle of second aspect embodiment includes: the battery module 100 in the above embodiment.

According to the utility model discloses vehicle adopts above-mentioned battery module 100, and the technological effect that has is unanimous with above-mentioned vehicle, no longer gives unnecessary details here.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, "the first feature" and "the second feature" may include one or more of the features.

In the description of the present invention, "a plurality" means two or more.

In the description of the present invention, the first feature "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features being in contact with each other not directly but through another feature therebetween.

In the description of the invention, the first feature being "on", "above" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A battery module (100) for a vehicle, comprising:

a battery cell group (10);

the electric core pack comprises side plates (20) and end plates (30), wherein the side plates (20) and the end plates (30) are two opposite to each other, and the side plates (20) and the end plates (30) are connected with each other to limit a containing space of the electric core pack (10); wherein

The height H of the battery module (100) and the height H of the end plate (30) satisfy: h is more than or equal to 0.65H and less than or equal to 0.75H.

2. The battery module (100) of the vehicle according to claim 1, wherein the side plate (20) includes: first board portion (21) and be located connecting plate portion (22) of first board portion (21) tip, first board portion (21) with the laminating of electric core group (10) sets up, connecting plate portion (22) with end plate (30) are fixed.

3. The battery module (100) of the vehicle according to claim 2, wherein an upper edge of the web portion (22) is lower than an upper surface of the end plate (30), and a lower edge of the web portion (22) is higher than a lower surface of the end plate (30).

4. The battery module (100) for the vehicle according to claim 3, wherein the distance between the upper edge of the connecting plate portion (22) and the upper surface of the end plate (30) is 2mm to 6mm, and the distance between the lower edge and the lower surface of the end plate (30) is 2mm to 6 mm.

5. The battery module (100) of the vehicle according to claim 2, wherein a lower edge of the first plate portion (21) is flush with a lower edge of the connecting plate portion (22).

6. The vehicle battery module (100) according to claim 5, wherein a connection area of the first plate portion (21) and the web portion (22) is rounded.

7. The battery module (100) for the vehicle according to claim 2, wherein both ends of the side of the end plate (30) facing away from the electric core pack (10) are configured as a stepped surface on which the connection plate portion (22) is provided.

8. The battery module (100) for vehicles according to claim 2, wherein the upper edge of the first plate portion (21) is located below the upper surface of the electric core pack (10), the front side edge is located behind the front surface of the electric core pack (10), and the rear side edge is located in front of the rear surface of the electric core pack (10).

9. The battery module (100) of the vehicle according to claim 1, wherein the battery module (100) further includes: a top plate (40), the top plate (40) comprising: the battery pack is characterized by comprising an upper plate part (41) right opposite to the battery pack (10) and a shielding plate part (42) right opposite to the side plate (20), wherein the upper plate part (41) is connected with the battery pack (10), and the shielding plate part (42) is wrapped on the upper edge of the side plate (20).

10. A vehicle, characterized by comprising: the battery module (100) according to any one of claims 1 to 9.