CN214176209U

CN214176209U - Battery module and vehicle

Info

Publication number: CN214176209U
Application number: CN202120434601.9U
Authority: CN
Inventors: 李硕; 高华文
Original assignee: Svolt Energy Technology Wuxi Co Ltd
Current assignee: Svolt Energy Technology Wuxi Co Ltd
Priority date: 2021-02-26
Filing date: 2021-02-26
Publication date: 2021-09-10
Anticipated expiration: 2031-02-26

Abstract

The utility model relates to a battery module and vehicle, battery module includes shell and utmost point post, utmost point post set firmly in the surface of shell and be provided with fin (4) on the utmost point post, fin (4) set up on the utmost point post and follow the extending direction interval of utmost point post sets up to a plurality ofly. Through above-mentioned technical scheme, can improve the big multiplying power charge-discharge performance of battery module, promote the control of battery control system to the battery module state.

Description

Battery module and vehicle

Technical Field

The utility model relates to a battery technology field specifically, relates to a battery module and vehicle.

Background

At present, most of the terminals of the battery module are made of aluminum metal. When battery module when carrying out the charge-discharge of big multiplying power, battery module can produce the heat, and especially battery module's utmost point post position can produce a large amount of heats, and nevertheless utmost point post is less with air area of contact, leads to the heat on the utmost point post to in time give off to lead to utmost point post temperature to be higher than battery module's temperature itself far away. Because the temperature collection lines in the battery module are used for collecting the temperature on the pole, the temperature collected by the temperature collection lines is higher than the actual temperature of the battery module, so that the battery control system can make certain misjudgment on the state of the battery module, and the performance of the battery module is seriously influenced due to early warning.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a battery module and vehicle to improve the big multiplying power charge-discharge performance of battery module, promote the control of battery control system to the battery module state.

In order to achieve the above object, the utility model provides a battery module, battery module includes shell and utmost point post, utmost point post set firmly in the surface of shell and be provided with the fin on the utmost point post, the fin sets up on the utmost point post and follow the extending direction interval of utmost point post sets up to a plurality ofly.

Optionally, the heat sink is configured as an annular structure and sleeved on the pole.

Optionally, the heat sink includes a body enclosing to form an accommodating space and a plurality of fins extending from the body to the periphery, and the pole is disposed in the accommodating space.

Optionally, the plurality of fins are arranged at regular intervals in the vertical direction.

Optionally, the heat sink is connected to the pole by welding.

Optionally, the post includes a positive post and a negative post, and the positive post and the negative post are respectively fastened to the housing through fasteners.

Optionally, the housing includes a cover plate and a casing connected to each other, and the pole is fixedly mounted on an outer surface of the cover plate.

Optionally, the edge of the cover plate is connected to the housing by welding.

Optionally, an explosion-proof valve is provided on the housing.

On the basis of the technical scheme, the utility model also provides a vehicle, this vehicle includes above-mentioned battery module.

Through the technical scheme, the utility model provides a battery module is through the mode that sets up a plurality of fin on utmost point post, with heat conduction to the fin on the utmost point post, give off the heat to the air by the fin again, because the fin is arranged intensive and big with the area of contact of air, consequently can distribute away the heat on the utmost point post fast, prevent that battery module is at the utmost point post high temperature of big multiplying power charge-discharge in-process, make the temperature of utmost point post more be close to battery module's true temperature, improve the big multiplying power charge-discharge performance of battery module, promote battery control system to the control of battery module state, give play to the real performance of battery module.

Other features and advantages of the present invention will be described in detail in the detailed description which follows.

Drawings

The accompanying drawings, which 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 principles of the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic front view of a battery module according to an embodiment of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1, wherein a plurality of fins are illustrated;

fig. 3 is a schematic top view of a battery module according to an embodiment of the present invention.

Description of the reference numerals

1-cover plate; 2-a shell; 31-positive pole column; 32-negative pole post; 4-a heat sink; 5-a fastener; 6-explosion-proof valve.

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.

In the present invention, unless otherwise specified, the terms of orientation such as "inside and outside" are used with respect to the corresponding outline of the component itself. Furthermore, in the following description, when referring to the figures, the same reference numbers in different figures denote the same or similar elements, unless otherwise explained. The above definitions are only used to explain and illustrate the present invention and should not be interpreted as a limitation of the present invention.

According to the utility model discloses a specific embodiment, referring to and shown in fig. 1-3, provide a battery module, this battery module includes shell and utmost point post, utmost point post set firmly in the surface of shell and be provided with fin 4 on the utmost point post, fin 4 sets up on the utmost point post and follow the extending direction interval of utmost point post sets up to a plurality ofly.

Through the technical scheme, the utility model provides a battery module is through the mode that sets up a plurality of fin 4 on utmost point post, heat conduction to fin 4 on the utmost point post, give off the air with the heat by fin 4 again, because fin 4 arranges intensive and big with the area of contact of air, consequently can distribute away the heat on the utmost point post fast, prevent that battery module is at the utmost point post high temperature of big multiplying power charge-discharge in-process, make the temperature of utmost point post more be close to battery module's true temperature, improve the big multiplying power charge-discharge performance of battery module, promote battery control system to controlling of battery module state, give play to the real performance of battery module.

In the specific embodiment provided by the present invention, the heat sink 4 is a thin metal sheet, preferably constructed as an aluminum sheet, which has good heat dissipation. As shown in fig. 3, the heat sink 4 may be configured as an annular structure and sleeved on the pole, so that the heat sink 4 is disposed around the pole. The fin 4 is including enclosing the body that establishes formation accommodating space and from the body to a plurality of fins that extend all around, and utmost point post is established in accommodating space, and a plurality of fins are evenly spaced in vertical direction and are set up.

In the specific embodiment provided by the present invention, the heat sink 4 can be connected with the pole in any suitable manner. In one embodiment, the heat sink 4 and the pole may be connected by welding to securely connect the heat sink 4 to the pole. In other embodiments, the heat sink 4 and the pole may be integrally formed to reduce the assembly time and simplify the assembly process. In addition, the heat sink 4 can be connected to the terminal in any suitable manner, and the present invention is not limited thereto.

The utility model provides an among the specific implementation, utmost point post includes anodal utmost point post 31 and negative pole post 32, refer to and show in fig. 3, anodal utmost point post 31 with negative pole post 32 is in through fastener 5 fastening respectively on the shell, with will anodal utmost point post 31 with negative pole post 32 is fixed on the shell. The fastening member 5 may be configured as any suitable fastening member such as a rivet or a screw, but the present invention is not limited thereto.

In the specific embodiment provided by the utility model, the shell can include apron 1 and casing 2 that are connected, utmost point post fixed mounting is in on apron 1's the surface. The edge of the cover plate 1 may be connected to the housing 2 by welding, thereby forming a closed space for accommodating the battery cell. Furthermore, the cover plate 1 can be connected to the housing 2 by any suitable means, such as bonding, screwing, etc., and the present invention is not limited thereto.

The utility model provides an among the specific implementation mode, refer to and be shown in fig. 3, be provided with explosion-proof valve 6 on the shell, this explosion-proof valve 6 and battery control system communication connection to when the battery module produced gaseous atmospheric pressure that leads to in the shell because of high temperature and surpassed preset pressure, control explosion-proof valve 6 was opened and with the gas outgoing shell in the shell, thereby played the effect of protection battery module.

On the basis of the technical scheme, the utility model provides a vehicle is still provided, and this vehicle includes above-mentioned battery module, consequently has above-mentioned characteristics equally, avoids repetition, no longer gives unnecessary details here.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention to perform various simple modifications to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.

It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not need to describe any combination of the features.

In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.

Claims

1. The utility model provides a battery module, its characterized in that, battery module includes shell and utmost point post, utmost point post set firmly in the surface of shell and be provided with fin (4) on the utmost point post, fin (4) set up on the utmost point post and along the extending direction interval of utmost point post sets up to a plurality ofly.

2. The battery module according to claim 1, wherein the heat sink (4) is configured as a ring structure and is fitted over the terminal.

3. The battery module according to claim 1, wherein the heat sink (4) comprises a body enclosing to form a receiving space and a plurality of fins extending from the body to the periphery, and the terminal is disposed in the receiving space.

4. The battery module according to claim 3, wherein the plurality of fins are arranged at regular intervals in the vertical direction.

5. The battery module according to claim 1, wherein the heat sink (4) and the terminal are connected by welding.

6. The battery module according to claim 1, wherein the pole comprises a positive pole (31) and a negative pole (32), and the positive pole (31) and the negative pole (32) are fastened to the housing by fasteners (5) respectively.

7. The battery module according to any one of claims 1 to 6, wherein the housing comprises a cover plate (1) and a housing (2) connected, and the terminal is fixedly mounted on the outer surface of the cover plate (1).

8. The battery module according to claim 7, wherein the edge of the cap plate (1) is connected to the case (2) by welding.

9. The battery module according to claim 1, wherein an explosion-proof valve (6) is provided on the housing.

10. A vehicle, characterized in that the vehicle includes the battery module according to any one of claims 1 to 9.