CN113594611A

CN113594611A - Battery module and vehicle

Info

Publication number: CN113594611A
Application number: CN202010366658.XA
Authority: CN
Inventors: 王稳; 王珏; 陈森; 高顺航; 孙新乐
Original assignee: Svolt Energy Technology Co Ltd
Current assignee: Svolt Energy Technology Co Ltd
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2021-11-02
Anticipated expiration: 2040-04-30
Also published as: CN113594611B

Abstract

The application discloses battery module and vehicle, battery module includes: a housing having a plurality of chambers disposed therein, at least one end of each of the chambers being open; the pole group and the pushing plates are multiple, and each pushing plate is arranged at the end of the corresponding pole group and is suitable for pushing the pole group into the corresponding cavity. Be provided with the casing among the battery module according to this application, be formed with a plurality of cavities that are used for holding utmost point group in the casing, push away the assembly in order to accomplish battery module in the board impels the cavity that corresponds with utmost point group.

Description

Battery module and vehicle

Technical Field

The application relates to the field of vehicles, in particular to a battery module and a vehicle.

Background

In the related art, in the case of a battery module having a plurality of pole groups, each of the pole groups is provided with an individual case structure, and the plurality of pole groups are fixed to each other when being assembled, and are constructed in the form of one battery module, such a battery module is inefficient to manufacture, the weight of a case in the battery module is large, and there is a light-weight space for the battery module.

Content of application

The present application is directed to solving at least one of the problems in the prior art. To this end, an object of the present application is to provide a battery module, in which a housing is provided, a plurality of cavities for accommodating the pole groups are formed in the housing, and a pushing plate pushes the pole groups into the corresponding cavities to complete the assembly of the battery module.

The application also provides a vehicle with the battery module.

The battery module for a vehicle according to the present application includes: a housing having a plurality of chambers disposed therein, at least one end of each of the chambers being open; the pole group and the pushing plates are multiple, and each pushing plate is arranged at the end of the corresponding pole group and is suitable for pushing the pole group into the corresponding cavity.

According to the battery module of this application, be provided with a plurality of cavities that are used for holding utmost point group in the casing, every cavity and utmost point group one-to-one, utmost point group no longer sets up solitary shell structure, but set up a plurality of cavities in battery module's casing, only be provided with individual layer shell structure between the adjacent cavity, shell structure's repeated setting has been reduced, battery module's weight has been reduced, and set up and push against the board and the utmost point group one-to-one that corresponds, when pushing against the board and pushing against utmost point group, can improve the assembly efficiency of utmost point group, make utmost point group accept in the cavity fast.

According to one embodiment of the application, the push-and-support plate is provided with a tab through hole for the tab of the pole group to pass through.

According to an embodiment of the present application, the battery module further includes: and the lug connecting plate is connected with the lug, and the pushing and supporting plate is provided with a limiting structure for limiting the rotation of the lug connecting plate.

According to an embodiment of the present application, the push-against plate includes: the push-and-support plate body is provided with the lug through hole; the electrode assembly comprises a first limiting plate and a second limiting plate which are opposite to each other, wherein the first limiting plate and the second limiting plate are arranged on the side face, opposite to the electrode group, of the push-against plate body, and the first limiting plate and the second limiting plate clamp the electrode lug connecting sheet to form the limiting structure.

According to an embodiment of the application, the free end of the first limiting plate and the free end of the second limiting plate are respectively provided with a first flanging and a second flanging which extend towards each other.

According to an embodiment of the application, each pushing plate body is provided with a first limiting column, and the corresponding tab connecting piece is provided with a first limiting hole matched with the first limiting column.

According to an embodiment of the present application, the battery module further includes: and each cover plate is arranged on the shell to seal the corresponding cavity, and the cover plates are connected with the corresponding tab connecting pieces.

According to one embodiment of the application, the tab connection piece includes: the first connecting section and the second connecting section are sequentially connected, the first connecting section is arranged on the push-against plate body and is connected with the corresponding lug, and the second connecting section is connected with the corresponding cover plate.

According to an embodiment of the application, each pushing and supporting plate body is provided with a second limiting column, and the corresponding cover plate is provided with a positioning hole matched with the second limiting column. The vehicle according to the present application is briefly described below.

According to the vehicle provided with the battery module of the embodiment, the vehicle provided with the battery module of the embodiment is high in energy density, the whole vehicle is light in weight, and the driving range of the vehicle is improved.

Additional aspects and advantages of the present application 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 present application.

Drawings

The above and/or additional aspects and advantages of the present application 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 schematic structural view of a battery module according to an embodiment of the present application;

FIG. 2 is a schematic structural diagram of a push-against plate according to an embodiment of the present application;

fig. 3 is a schematic view of the structure of a tab connection piece according to the present application.

Reference numerals:

the battery module (1) is provided with a battery case,

the dimensions of the housing 11, the pole set 12,

a pushing and abutting plate 13, a pushing and abutting plate body 131, a first limit plate 132, a first flanging 132a, a second limit plate 133, a second flanging 133a,

a tab connecting piece 14, a first connecting section 141, a second connecting section 142,

the cover plate 15 is provided with a cover plate,

the structure comprises a tab via hole 101, a first limiting column 102, a first limiting hole 103 and a second limiting column 104.

Detailed Description

Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar 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 application and are not to be construed as limiting the present application.

A battery module 1 for a vehicle according to an embodiment of the present application is described below with reference to fig. 1 to 3.

The battery module 1 according to the application includes casing 11, utmost point group 12 and pushes away and support board 13, wherein is provided with a plurality of cavities in the casing 11, and at least one end of every cavity is opened, and utmost point group 12 is a plurality of with pushing away and supporting board 13, and every pushes away and supports board 13 and sets up in the tip of corresponding utmost point group 12 in order being suitable for and impel the corresponding cavity with utmost point group 12.

According to the battery module 1 of this application can be provided with a plurality of utmost point group 12, is provided with the cavity that is used for holding a plurality of utmost point groups 12 on casing 11, and every utmost point group 12 all sets up in the cavity that corresponds, and the one end of a plurality of utmost point groups 12 is after the cavity cooperation with corresponding, pushes away the one end cooperation of board 13 and utmost point group 12 to in advancing the cavity that corresponds with every utmost point group 12, thereby realize the assembling process of utmost point group 12 and casing 11.

According to the battery module 1 of the application, be provided with a plurality of cavities that are used for holding utmost point group 12 in the casing 11, every cavity and utmost point group 12 one-to-one, utmost point group 12 no longer sets up solitary casing 11 structure, but set up a plurality of cavities in battery module 1's casing 11, only be provided with individual layer casing 11 structure between the adjacent cavity, the repeated setting of casing 11 structure has been reduced, battery module 1's weight has been reduced, and set up and push against board 13 and the utmost point group 12 one-to-one that corresponds, when pushing against board 13 and pushing against utmost point group 12, can improve utmost point group 12's assembly efficiency, make utmost point group 12 can accept in the cavity fast.

According to an embodiment of the present application, the pushing and supporting plate 13 is provided with a tab through hole 101 through which a tab of the electrode group 12 passes, the tab is provided at one end of the electrode group 12, which faces the pushing and supporting plate 13, and is suitable for being electrically connected with the cover plate 15 of the battery module 1, the pushing and supporting plate 13 is provided with the tab through hole 101, so that the tab of the corresponding electrode group 12 passes through the pushing and supporting plate 13, and after the pushing and supporting plate 13 pushes the electrode group 12 into the cavity, the tab of the electrode group 12 can extend out of the cavity through the tab through hole 101 so as to be suitable for being electrically connected with the cover plate 15.

According to an embodiment of the application, the battery module 1 further comprises a tab connecting piece 14, the tab connecting piece 14 is connected with a tab, and the pushing plate 13 is provided with a limiting structure for limiting the rotation of the tab connecting piece 14. Because the size of the tab arranged on the pole group 12 is small, when the pole group 12 is electrically connected with the cover plate 15, the connection between the tab and the cover plate 15 is inconvenient, and after the tab connecting piece 14 is connected with the tab, the tab connecting piece 14 is electrically connected with the cover plate 15, so that the connection between the tab and the cover plate 15 is easier, and the operability in the process is better.

The pushing plate 13 is provided with a limiting structure to limit the rotation of the tab connecting piece 14, so as to ensure that the tab connecting piece 14 is connected with the tab, ensure the connection between the tab connecting piece 14 and the tab to be stable and reliable, and avoid the fracture between the tab connecting piece 14 and the tab.

As shown in fig. 2, according to an embodiment of the present application, the pushing plate 13 includes a pushing plate body 131, a first limiting plate 132 and a second limiting plate 133, the pushing plate body 131 is provided with a tab through hole 101, the first limiting plate 132 and the second limiting plate 133 are both disposed on a side of the pushing plate body 131 opposite to the electrode group 12, and the first limiting plate 132 and the second limiting plate 133 sandwich the tab connecting piece 14 to form a limiting structure.

First limiting plate 132 and second limiting plate 133 can set up the both ends at utmost point ear via hole 101, after utmost point ear connection piece 14 links to each other with utmost point ear, utmost point ear connection piece 14 sets up between first limiting plate 132 and second limiting plate 133, first limiting plate 132 and second limiting plate 133 end with utmost point ear connection piece 14's both ends respectively to restriction utmost point ear connection piece 14's rotation, guarantee utmost point ear connection piece 14 with utmost point ear cooperation back, prevent to break away from between utmost point ear connection piece 14 and the utmost point ear, in order to ensure battery module 1's reliability.

According to an embodiment of the present application, the free end of the first limiting plate 132 and the free end of the second limiting plate 133 are respectively provided with a first flanging 132a and a second flanging 133a extending towards each other, the tab connecting plate is disposed between the first limiting plate 132 and the second limiting plate 133, the first flanging 132a and the second flanging 133a can be right opposite to the tab connecting piece 14 to prevent the tab connecting piece 14 from moving in the thickness direction, thereby avoiding the tab connecting piece 14 from disengaging, and improving the reliability of the tab connecting piece 14.

According to an embodiment of the application, the pushing and supporting plate body 131 is provided with a first limiting column 102, the corresponding lug connecting plate 14 is provided with a first limiting hole 103 matched with the first limiting column 102, when the lug connecting plate 14 is arranged on the pushing and supporting plate 13, the first limiting column 102 is matched with the first limiting hole 103 to position the lug connecting plate 14, so that the position of the lug connecting plate 14 is accurate, firm welding between the lug connecting plate 14 and a lug is ensured, and the precision of automatic production of the battery module 1 is facilitated to be optimized.

In some embodiments of the present application, the first limiting columns 102 and the first limiting blocks are configured to be a plurality of one-to-one corresponding, and the plurality of first limiting blocks are matched with the plurality of first limiting holes 103 in a one-to-one corresponding manner, so that the matching precision of the tab connecting piece 14 and the pushing and supporting plate 13 can be further improved, and the rotation of the tab connecting piece 14 can be further limited.

According to one embodiment of the present application, the battery module 1 further includes a plurality of cover plates 15, each cover plate 15 is disposed on the housing 11 to seal the cavity, the cover plates 15 are connected with the corresponding tab connecting pieces 14, and the cover plates 15 are adapted to seal each cavity, so that the electrode groups 12 in each cavity in the battery module 1 are isolated from each other, and independence between the electrode groups 12 is ensured. Each cover plate 15 is connected with a corresponding tab connecting piece 14 so as to electrically connect the tab of each pole group 12 with the cover plate 15, and a leading-out end of the pole group 12 corresponding to the cover plate 15 is arranged on the cover plate 15 and is suitable for being electrically connected with an external structure.

According to an embodiment of the present application, the tab connecting piece 14 includes a first connecting section 141 and a second connecting section 142 connected in sequence, the first connecting section 141 is disposed on the pushing plate body 131 and connected to the corresponding tab, and the second connecting section 142 is connected to the corresponding cover plate 15. The second connecting section 142 is opposite to the leading-out terminal on the cover plate 15, and the second connecting section 142 and the leading-out terminal are arranged in the same plane so as to be convenient for the welding and fixing of the second connecting section 142 and the cover plate 15.

In one embodiment of the present application, the first connecting section 141 and the second connecting section 142 are configured in an "L" shape, when the cover plate 15 is not installed, the first connecting section 141 is connected to the tab, the second connecting section 142 is connected to the cover plate 15, when the cover plate 15 needs to be assembled to the housing 11, the first connecting section 141 and the second connecting section 142 are bent to make the cover plate 15 face the abutting plate 13, and the cover plate 15 is welded to the housing 11 to form a sealed chamber.

According to an embodiment of the present application, each pushing plate body 131 is provided with a second limiting post 104, and the corresponding cover plate 15 is provided with a positioning hole matched with the second limiting post 104. When the cover plate 15 is installed on the shell 11, the positioning hole in the cover plate 15 is matched with the second matching column to further position the cover plate 15, so that the accuracy of the installation position of the cover plate 15 is ensured, the matching precision between the cover plate 15 and the shell 11 is improved, meanwhile, the second limiting column 104 is suitable for supporting the cover plate 15, and the cover plate 15 can be kept stable during assembly.

The vehicle according to the present application is briefly described below.

According to the vehicle provided with the battery module 1 of the embodiment, since the vehicle provided with the battery module 1 of the embodiment is provided with the battery module 1 of the embodiment, the energy density of the battery module 1 in the vehicle is high, the weight of the whole vehicle is light, and the improvement of the driving range of the vehicle is facilitated.

In the description of the present application, 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 are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.

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

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

In the description of the present application, the first feature being "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 not directly but via another feature therebetween.

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

Other configurations of …, such as … and …, and the like and operation according to embodiments of the present application are known to those of ordinary skill in the art and will not be described in detail herein.

In the description herein, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means 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 application. 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 application 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 application, the scope of which is defined by the claims and their equivalents.

Claims

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

a housing (11), wherein a plurality of chambers are arranged in the housing (11), and at least one end of each chamber is open;

the electrode group (12) and the pushing and supporting plates (13) are arranged, the electrode group (12) and the pushing and supporting plates (13) are multiple, and each pushing and supporting plate (13) is arranged at the end part of the corresponding electrode group (12) and is suitable for pushing the electrode group (12) into the corresponding cavity.

2. The battery module (1) for a vehicle according to claim 1, wherein the push-against plate (13) is provided with tab passing holes (101) through which tabs of the pole group (12) pass.

3. The battery module (1) for a vehicle according to claim 2, further comprising: the pole lug connecting piece (14), the pole lug connecting piece (14) with the pole lug links to each other, be provided with the restriction on the push-to-plate (13) the limit structure of pole lug connecting piece (14) pivoted.

4. The battery module (1) for a vehicle according to claim 3, wherein the push-against plate (13) includes:

the push-and-support plate body (131), the tab through hole (101) is arranged on the push-and-support plate body (131);

the pole lug connecting plate structure comprises a first limiting plate (132) and a second limiting plate (133) which are opposite to each other, wherein the first limiting plate (132) and the second limiting plate (133) are arranged on the side face, opposite to the pole group (12), of the push-against plate body (131), and the first limiting plate (132) and the second limiting plate (133) clamp the pole lug connecting plate (14) to form the limiting structure.

5. The battery module (1) for the vehicle according to claim 4, wherein the free end of the first stopper plate (132) and the free end of the second stopper plate (133) are provided with a first burring (132a) and a second burring (133a) extending toward each other, respectively.

6. The battery module (1) for the vehicle according to claim 4, wherein each pushing plate body (131) is provided with a first limiting column (102), and the corresponding tab connecting piece (14) is provided with a first limiting hole (103) matched with the first limiting column (102).

7. The battery module (1) for a vehicle according to claim 4, further comprising: a plurality of cover plates (15), each cover plate (15) being arranged on the housing (11) to seal the corresponding chamber, the cover plates (15) being connected to the corresponding tab connection pieces (14).

8. The battery module (1) for a vehicle according to claim 7, wherein the tab connection piece (14) comprises: the battery pack comprises a first connecting section (141) and a second connecting section (142) which are connected in sequence, wherein the first connecting section (141) is arranged on the push-against plate body (131) and connected with the corresponding pole lug, and the second connecting section (142) is connected with the corresponding cover plate (15).

9. The battery module (1) for the vehicle according to claim 7, wherein each of the pushing and abutting plate bodies (131) is provided with a second limiting column (104), and the corresponding cover plate (15) is provided with a positioning hole matched with the second limiting column (104).

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