CN218975549U

CN218975549U - Lithium battery heat abstractor

Info

Publication number: CN218975549U
Application number: CN202221764056.0U
Authority: CN
Inventors: 渠慎程; 李文侠
Original assignee: Jiangsu Quanli Intelligent Technology Co ltd
Current assignee: Jiangsu Quanli Intelligent Technology Co ltd
Priority date: 2022-07-08
Filing date: 2022-07-08
Publication date: 2023-05-05
Anticipated expiration: 2032-07-08

Abstract

The utility model discloses a heat dissipation device for a lithium battery. Relates to the technical field of lithium batteries. The utility model comprises a first seat body and a second seat body, wherein a plurality of rows of battery bodies are arranged between the first seat body and the second seat body, gaps are reserved between two adjacent rows of battery bodies, a heat exchange mechanism is also arranged between the first seat body and the second seat body, a channel of the heat exchange mechanism is positioned in the gaps, and two end parts of the heat exchange mechanism are positioned at the outer side of the first seat body or the second seat body. According to the utility model, the heat exchange is carried out in the cavity through the channel between the first seat body and the second seat body of the heat exchange mechanism, the hot air in the channel flows to the end part of the heat exchange mechanism positioned at the outer side, and the hot air exchanges heat with the air outside, so that the heat is conveniently dissipated, and the cooling and heat dissipation of the inside of the cavity are realized.

Description

Lithium battery heat abstractor

Technical Field

The utility model belongs to the technical field of lithium batteries, and particularly relates to a heat dissipation device of a lithium battery.

Background

Nowadays, more and more electric vehicles also start using lithium batteries. The lithium battery electric vehicle has the advantages that the lithium battery electric vehicle is gorgeous and concise in appearance, more and more accepted by consumers, and the lithium battery electric vehicle has the advantages that: the lithium battery has long service life, light weight and small volume, and the current brands of the lithium battery electric vehicle are diversified.

In order to avoid fire caused by a large amount of heat, various heat dissipation devices move to the market, but some dust is easy to appear in the prior heat dissipation devices after the lithium battery is used for a long time, and the dust can influence the heat dissipation effect of the lithium battery, and accumulated dust is easy to communicate different electrodes, so that short circuit of the battery is easy to occur.

Disclosure of Invention

The utility model aims to provide a lithium battery heat dissipation device, which is characterized in that heat exchange is carried out in a cavity through a channel between a first base body and a second base body of a heat exchange mechanism, hot air in the channel flows to the end part of the heat exchange mechanism, which is positioned at the outer side, and the hot air exchanges heat with external air, so that heat is conveniently dissipated, the cooling and heat dissipation of the interior of the cavity are realized, and the related problems in the background art are solved.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to a lithium battery heat dissipation device which comprises a first base body and a second base body, wherein a plurality of rows of battery bodies are arranged between the first base body and the second base body, gaps exist between two adjacent rows of battery bodies, a heat exchange mechanism is further arranged between the first base body and the second base body, a channel of the heat exchange mechanism is positioned in the gaps, two end parts of the heat exchange mechanism are positioned at the outer side of the first base body or the outer side of the second base body, the channel of the heat exchange mechanism positioned between the first base body and the second base body generates heat exchange in a cavity, hot air in the channel flows to the end part of the heat exchange mechanism positioned at the outer side to exchange heat with the air outside, so that heat can be conveniently dissipated, and cooling and heat dissipation of the interior of the cavity are realized.

Further, structural features of the first seat body and the second seat body are the same, a plurality of limiting holes are formed in the bottom surface of the second seat body, the end parts of the battery body sleeved with the sealing rings are matched with the limiting holes, the first seat body and the second seat body are mutually spliced to form a cavity, the battery body is located in the cavity, a cover body is arranged on the outer sides of the first seat body and the second seat body, and the exposed end parts of the battery body are protected through the installed cover body.

Further, a plurality of mounting holes are formed in the peripheral sides of the first base body and the second base body, through holes corresponding to the mounting holes are formed in the cover body, and bolts arranged between the two through holes penetrate through the mounting holes, so that the first base body and the second base body can be fastened conveniently.

Further, the heat exchange mechanism comprises a heat exchange channel, a cover plate, a motor, an impeller and a partition plate, wherein the main body of the heat exchange channel is positioned between the first seat body and the second seat body, a port of the heat exchange channel is positioned on the outer side of the first seat body or the outer side of the second seat body, the partition plate is arranged in the middle of the port, the impeller is arranged in the partition plate, the cover plate is matched with the port of the heat exchange channel, the motor is arranged on the cover plate, and the impeller is arranged on the output end of the motor.

Further, the heat exchange channel comprises a first return pipe and a second return pipe, the first return pipe and the second return pipe are both positioned in gaps between different battery bodies, and the ends of the first return pipe and the second return pipe extend outwards and are communicated with each other.

The utility model has the following beneficial effects:

the channel between the first seat body and the second seat body of the heat exchange mechanism generates heat exchange in the cavity, and hot air in the channel flows to the end part of the heat exchange mechanism positioned at the outer side to exchange heat with the air outside, so that heat is conveniently dissipated, and cooling and heat dissipation of the inside of the cavity are realized.

Of course, it is not necessary for any one product to practice the utility model to achieve all of the advantages set forth above at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic side view of the present utility model;

FIG. 3 is a schematic view of the cross-sectional structure of FIG. 2 A-A in accordance with the present utility model;

FIG. 4 is a schematic view of the internal structure of the present utility model;

FIG. 5 is a schematic view of a heat exchange channel structure according to the present utility model;

FIG. 6 is a schematic view of a cover plate and impeller mounting structure of the present utility model;

in the drawings, the list of components represented by the various numbers is as follows:

1. a first base body; 2. a second seat body; 21. a mounting hole; 22. a seal ring; 23. a limiting hole; 3. a cover body; 31. a through hole; 4. a battery body; 5. a heat exchange channel; 51. a return pipe I; 52. a return pipe II; 6. a cover plate; 7. a motor; 8. an impeller; 9. a partition board.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "open," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like indicate orientation or positional relationships, merely for convenience in describing the present utility model and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1-6, the present utility model is a heat dissipating device for a lithium battery, comprising a first base 1 and a second base 2, wherein a plurality of rows of battery bodies 4 are arranged between the first base 1 and the second base 2, gaps are formed between two adjacent rows of battery bodies 4, a heat exchanging mechanism is further installed between the first base 1 and the second base 2, channels of the heat exchanging mechanism are located in the gaps, two ends of the heat exchanging mechanism are located outside the first base 1 or the second base 2, the channels between the first base 1 and the second base 2 exchange heat in the cavity, and hot air in the channels flows to the end of the heat exchanging mechanism located outside to exchange heat with the air outside, so that the heat is conveniently dissipated, the cooling and the heat dissipation of the cavity are realized, and meanwhile, external dust is prevented from entering the cavity formed by the first base 1 and the second base 2.

The structural features of the first seat body 1 and the second seat body 2 are the same, a plurality of limiting holes 23 are formed in the bottom surface of the second seat body 2, the end parts of the battery body 4 sleeved with the sealing rings 22 are matched and installed in the limiting holes 23, the first seat body 1 and the second seat body 2 are mutually spliced to form a cavity, the battery body 4 is located in the cavity, the outer sides of the first seat body 1 and the second seat body 2 are provided with a cover body 3, and the exposed end parts of the battery body 4 are protected through the installed cover body 3.

The circumference sides of the first seat body 1 and the second seat body 2 are provided with a plurality of mounting holes 21, the cover body 3 is provided with through holes 31 corresponding to the mounting holes 21, and bolts arranged between the two through holes 31 penetrate through the mounting holes 21, so that the first seat body 1 and the second seat body 2 can be fastened conveniently.

The heat exchange mechanism comprises a heat exchange channel 5, a cover plate 6, a motor 7, an impeller 8 and a partition plate 9, wherein the main body of the heat exchange channel 5 is positioned between the first seat body 1 and the second seat body 2, a port of the heat exchange channel 5 is positioned on the outer side of the first seat body 1 or the second seat body 2, the partition plate 9 is arranged in the middle of the port, the impeller 8 is arranged in the partition plate 9, the cover plate 6 is matched with the port of the heat exchange channel 5, the motor 7 is arranged on the cover plate 6, and the impeller 8 is arranged at the output end of the motor.

The heat exchanging channel 5 comprises a first return pipe 51 and a second return pipe 52, wherein the first return pipe 51 and the second return pipe 52 are positioned in gaps between different battery bodies 4, and the ends of the first return pipe 51 and the second return pipe 52 extend outwards and are communicated with each other.

One specific application of this embodiment is:

cover plates 6 are arranged at two ends of the heat exchange channel 5, a motor 7 is fixed on the cover plates 6, a rotating shaft of the motor 7 extends into a cavity formed by the cover plates 6 and the end parts of the heat exchange channel 5, impellers 8 arranged in the cavity are fixed on the rotating shaft of the motor 7, and the inclined directions of blades of the impellers 8 positioned at different sides are different, so that air is pushed to flow in different directions;

the heat exchange channel 5 is of a 'Chinese character' shaped structure, air on the same side of the first return pipes 51 flows into the end parts of the second return pipes 52, air flowing out of the other ends of the second return pipes 52 respectively enters the first return pipes 51, so that the air circularly flows in the heat exchange channel 5, and as the cover plate 6 is positioned on the outer side of the first seat body 1 or the second seat body 2, the air in the interior flows through the inner side surface of the cover plate 6 and exchanges heat with the air outside through the cover plate 6, and therefore heat dissipation of the battery body 4 is completed;

the outer side surface of the cover plate 6, the outer side surface of the first return pipe 51 and the outer side surface of the second return pipe 52 are respectively provided with a plurality of convex edges, and meanwhile, the heat exchange channel 5 and the cover plate 6 are respectively copper pipes or copper plates.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and 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 utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims

1. The utility model provides a lithium cell heat abstractor, includes pedestal one (1) and pedestal two (2), its characterized in that:

a plurality of rows of battery bodies (4) are arranged between the first seat body (1) and the second seat body (2), and gaps exist between two adjacent rows of battery bodies (4);

a heat exchange mechanism is further arranged between the first seat body (1) and the second seat body (2), a channel of the heat exchange mechanism is positioned in the gap, and two end parts of the heat exchange mechanism are positioned at the outer sides of the first seat body (1) or the second seat body (2);

the heat exchange mechanism comprises a heat exchange channel (5), a cover plate (6), a motor (7), an impeller (8) and a partition plate (9), wherein the main body of the heat exchange channel (5) is located between a first base (1) and a second base (2), a port of the heat exchange channel (5) is located on the outer side of the first base (1) or the second base (2), the partition plate (9) is installed in the middle of the port, the impeller (8) is arranged in the partition plate (9), the cover plate (6) is installed in the cooperation of the port of the heat exchange channel (5), the motor (7) is installed on the cover plate (6), and the impeller (8) is installed on the output end of the motor.

2. The lithium battery heat dissipation device according to claim 1, wherein the first base (1) and the second base (2) have the same structural characteristics, a plurality of limiting holes (23) are formed in the bottom surface of the second base (2), and the end part of the battery body (4) sleeved with the sealing ring (22) is mounted in the limiting holes (23) in a matched mode.

3. The lithium battery heat dissipation device according to claim 1, wherein the first base body (1) and the second base body (2) are spliced with each other to form a cavity, the battery body (4) is located in the cavity, and the outer sides of the first base body (1) and the second base body (2) are respectively provided with a cover body (3).

4. A lithium battery heat dissipation device according to claim 3, wherein the first base (1) and the second base (2) are provided with a plurality of mounting holes (21) on the peripheral sides thereof, the cover (3) is provided with through holes (31) corresponding to the mounting holes (21), and bolts mounted between the two through holes (31) pass through the mounting holes (21).

5. A lithium battery heat sink according to claim 1, characterized in that the heat exchanging channel (5) comprises a first return pipe (51) and a second return pipe (52), both the first return pipe (51) and the second return pipe (52) being located in the gap between the different battery bodies (4), both ends of the first return pipe (51) and the second return pipe (52) extending outwards and being in communication with each other.