CN211929595U

CN211929595U - Battery module

Info

Publication number: CN211929595U
Application number: CN202021089295.1U
Authority: CN
Inventors: 吴光麟; 李子凡; 李雷
Original assignee: Kunshan Bao Innovative Energy Technology Co Ltd
Current assignee: Kunshan Bao Innovative Energy Technology Co Ltd
Priority date: 2020-06-12
Filing date: 2020-06-12
Publication date: 2020-11-13
Anticipated expiration: 2030-06-12

Abstract

The utility model discloses a battery module, include: a plurality of cell packages stacked in sequence; a housing defining a cavity adapted to receive the plurality of electrical core packages; the extension piece is fixed on the outer side of the shell, and the rear end of the extension piece extends backwards beyond the rear side of the shell. According to the utility model discloses a battery module is equipped with the extension piece through the shell outside at battery module for it is more convenient to be connected between two adjacent battery modules, can increase the length of battery module according to actual need is nimble, and adaptability is more extensive.

Description

Battery module

Technical Field

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

Background

The battery module in the related art is inconvenient to connect between two adjacent battery modules in the front-rear direction and cannot be flexibly lengthened as required.

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, the utility model relates to a battery module, battery module can be according to actual need nimble extension, and it is more convenient to use.

According to the utility model discloses a battery module, include: a plurality of cell packages stacked in sequence; a housing defining a cavity adapted to receive the plurality of electrical core packages; the extension piece is fixed on the outer side of the shell, and the rear end of the extension piece extends backwards beyond the rear side of the shell.

According to the utility model discloses a battery module is equipped with the extension piece through the shell outside at battery module for it is more convenient to be connected between two adjacent battery modules, can increase the length of battery module according to actual need is nimble, and adaptability is more extensive.

According to the utility model discloses an embodiment, the extension forms the extension casing that link up from beginning to end, the extension cover is established the outside of shell.

According to another embodiment of the invention, the elongated member is formed as an elongated plate, the elongated member being fixed to one side of the housing.

Furthermore, the two sides of the lengthened plate in the width direction are provided with connecting flanges, and the connecting flanges are in lap joint with the outer surface of the shell.

According to a further embodiment of the invention, the rear end of the elongated member is provided with a recess.

Further, the depth of the inward recess of the recess portion is 0.8 mm.

According to a further embodiment of the invention, the length of the rear end of the elongated member beyond the rear side of the housing is 22 mm.

According to a further embodiment of the invention, the elongated member and the housing are welded together.

Optionally, the rear side of the housing is provided with a mounting portion.

According to a further embodiment of the invention, the thickness of the elongated member is 1 mm.

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 of a battery module according to an embodiment of the present invention;

fig. 2 is a perspective view of a battery module according to another perspective of an embodiment of the present invention;

fig. 3 is an enlarged view of a portion a in fig. 2.

Reference numerals:

battery module 100, shell 10, installation department 11, extension 20, connect turn-ups 21, depressed part 22.

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.

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.

A battery module 100 according to an embodiment of the present invention is described below with reference to fig. 1 to 3.

As shown in fig. 1 and 2, a battery module 100 according to an embodiment of the present invention includes a plurality of core packages, a case 10, and an elongated member 20, which are stacked in sequence. Specifically, the housing 10 defines a cavity adapted to receive a plurality of electrical core packages, the elongate member 20 is secured to the outside of the housing 10, and the rear end of the elongate member 20 extends rearwardly beyond the rear side of the housing 10. In the description of the present invention, "a plurality" means two or more.

It can be understood that, by providing the extension member 20 at the outer side of the housing 10, the connection of two adjacent battery modules 100 can be facilitated in the front-rear direction to meet the needs of actual conditions, i.e., the length of the battery modules 100 can be flexibly increased according to the actual needs.

According to the utility model discloses a battery module 100 is equipped with extension 20 through the shell 10 outside at battery module 100 for it is more convenient to be connected between two adjacent battery modules 100, can increase battery module 100's length according to actual need in a flexible way, and adaptability is more extensive.

According to the utility model discloses an embodiment, extension 20 forms the extension casing that link up from beginning to end, and extension 20 can form into hollow casing promptly, and extension 20 cover is established in the outside of shell 10 to link to each other with shell 10 is fixed. When the battery module 100 needs to be elongated, the front end of another battery module 100 may be adjacent to the rear end of the elongated member 20.

According to another embodiment of the present invention, the elongated member 20 is formed as an elongated plate, and the elongated member 20 is fixed to one side of the housing 10. As shown in fig. 2, the extension plate is connected to the left side of the housing 10, so that the structure is simple, and the length of the battery module 100 can be flexibly increased according to actual needs.

Further, the extension plate is provided with connecting flanges 21 at both sides in the width direction thereof, and the connecting flanges 21 are in lap joint with the outer surface of the housing 10. As shown in fig. 2, the upper and lower sides of the elongated plate are both provided with connecting flanges 21, and the two connecting flanges 21 are respectively overlapped with the upper and lower sides of the outer side, so that the engagement between the elongated plate and the housing 10 is more reliable.

As shown in fig. 2 and 3, according to still another embodiment of the present invention, the rear end of the extension member 20 is provided with a recess 22 to facilitate connection with the adjacent battery module 100.

Further, the recess 22 is recessed inward to a depth of 0.8 mm. Here, inward means a direction toward the axial center of the housing 10.

According to a further embodiment of the invention, the length of the rear end of the elongated member 20 beyond the rear side of the housing 10 is 22 mm.

According to a further embodiment of the invention, the extension 20 and the housing 10 are welded together, so that the connection between the extension 20 and the housing 10 is more reliable.

Optionally, the rear side of the housing 10 is provided with a mounting portion 11, which facilitates mounting and matching with the adjacent battery modules 100, and increases the reliability of connection between the two adjacent battery modules 100.

According to a further embodiment of the invention, the thickness of the elongated member 20 is 1 mm.

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, comprising:

a plurality of cell packages stacked in sequence;

a housing defining a cavity adapted to receive the plurality of electrical core packages;

the extension piece is fixed on the outer side of the shell, and the rear end of the extension piece extends backwards beyond the rear side of the shell.

2. The battery module according to claim 1, wherein the elongated member is formed as an elongated housing penetrating in the front-rear direction, and the elongated member is fitted around the outside of the case.

3. The battery module according to claim 1, wherein the elongated member is formed as an elongated plate, and the elongated member is fixed to one side of the housing.

4. The battery module according to claim 3, wherein the elongated plate is provided at both sides in the width direction thereof with connecting flanges, the connecting flanges being in lap-joint engagement with the outer surface of the housing.

5. The battery module according to claim 1, wherein the rear end of the elongated member is provided with a recess.

6. The battery module according to claim 5, wherein the recess is recessed inward to a depth of 0.8 mm.

7. The battery module according to claim 1, wherein the rear end of the elongated member has a length of 22mm beyond the rear side of the housing.

8. The battery module according to claim 1, wherein the extension member and the case are welded to each other.

9. The battery module according to any one of claims 1 to 7, wherein a mounting portion is provided at a rear side of the housing.

10. The battery module according to claim 1, wherein the thickness of the elongated member is 1 mm.