CN210429910U

CN210429910U - Battery box structure

Info

Publication number: CN210429910U
Application number: CN201921242085.9U
Authority: CN
Inventors: 邓桂超; 陈兵山; 黄培栩
Original assignee: Dongguan Elite New Energy Co Ltd
Current assignee: Dongguan Elite New Energy Co Ltd
Priority date: 2019-08-01
Filing date: 2019-08-01
Publication date: 2020-04-28
Anticipated expiration: 2029-08-01

Abstract

A battery box structure comprises a box body, a plurality of battery modules, a first dustproof net, a second dustproof net and a heat dissipation assembly; the box body is provided with a plurality of air inlets and a plurality of air outlets, each battery module is provided with a channel along the direction of the central shaft, and each channel comprises an air inlet end and an air outlet end far away from the air inlet end; one end of each battery module is provided with a heat dissipation fan, and the heat dissipation fan is positioned at the air outlet end; each battery module is arranged side by side and accommodated in the box body, and the cooling fan on each battery module is arranged towards the air outlet; the first dustproof mesh cover is arranged on a plurality of air outlets of the box body, and the second dustproof mesh cover is arranged on an air inlet of the box body; the heat dissipation assembly is clamped on the box body.

Description

Battery box structure

[ technical field ] A method for producing a semiconductor device

The utility model relates to a battery technology field especially relates to a battery box structure.

[ background of the invention ]

The common heat dissipation modes of the battery box generally adopt three heat dissipation modes of air cooling, liquid cooling and phase-change material heat absorption. However, the liquid cooling heat dissipation mode has large space requirements on the battery box, the liquid cooling structure is complex, and the safety performance is low; the phase-change material also occupies the internal space of the battery box in a heat-absorbing heat-radiating mode, and the cost is higher compared with an air-cooling heat-radiating mode; the air-cooled heat dissipation mode is with low costs, and structural design is simple to use extensively, but the air-cooled heat dissipation mode needs the inside gas of battery box and outside air circulation so that the outside air absorbs away the heat and reduces the temperature in the battery box, and the dust in the outside air that so easily carries gets into inside the battery box, and then easily makes the electric conductive property decline or ageing of battery in the battery box and circuit, has shortened the life of battery box greatly.

In view of the above, it is desirable to provide a novel battery box structure to overcome the above-mentioned drawbacks.

[ Utility model ] content

The utility model aims at providing a battery box structure adopts the cooling method of forced air cooling, and has the inside function of blockking outside dust entering battery box structure, and then prevents that the electric conductive property of the inside battery of battery box structure and circuit from descending or ageing.

In order to achieve the above object, the present invention provides a battery box structure, which includes a box body, a plurality of battery modules, a first dust screen, a second dust screen and a heat dissipation assembly; the box body is provided with a plurality of air inlets and a plurality of air outlets, each battery module is provided with a channel along the direction of the central shaft, and each channel comprises an air inlet end and an air outlet end far away from the air inlet end; one end of each battery module is provided with a heat dissipation fan, and the heat dissipation fan is positioned at the air outlet end; the battery modules are arranged side by side and accommodated in the box body, the cooling fan on each battery module is arranged towards the air outlet, and the air inlet end is communicated with the air inlets; the first dustproof mesh cover is arranged on a plurality of air outlets of the box body, and the second dustproof mesh cover is arranged on an air inlet of the box body; the heat dissipation assembly is clamped on the box body.

In a preferred embodiment, the inner surface of the bottom of the case is provided with a shock-absorbing pad.

In a preferred embodiment, the plurality of air inlets are provided at one end of the box body, and the plurality of air outlets are provided at one end of the box body far away from the air inlets.

In a preferred embodiment, the first dust-proof net cover is arranged on the plurality of air outlets of the box body and is positioned outside the box body; the second dustproof net cover is arranged on the air inlet of the box body and is positioned outside the box body.

In a preferred embodiment, the heat dissipation assembly comprises a heat exchange plate and a plurality of heat dissipation fins connected to the same side of the heat exchange plate; each heat dissipation assembly is clamped at the top of the box body, the heat exchange plate is located outside the box body, and the plurality of heat dissipation fins are contained in the box body.

In a preferred embodiment, the plurality of radiating fins are all in an "L" shape and are arranged at intervals; the plurality of radiating fins comprise first fins and second fins formed by extending from one ends of the first fins, and the second fins are perpendicular to the first fins; the heat exchange plate is connected to one side of the first fin, which is far away from the second fin.

In a preferred embodiment, each battery module comprises a plurality of mounting plates arranged at intervals and a plurality of battery packs respectively clamped between every two adjacent mounting plates, and each battery pack comprises a plurality of single batteries arranged side by side.

In a preferred embodiment, each mounting plate is provided with a through hole communicating with the passage.

In a preferred embodiment, each single battery is cylindrical, and two ends of each single battery are respectively abutted with two adjacent mounting plates.

The utility model provides a pair of battery box structure, beneficial effect lies in: the air inlet and the air outlet are designed, and the dustproof nets are arranged at the air inlet and the air outlet, so that external dust is prevented from entering the box body when air in the box body circulates, and further, the electric conductivity of the battery and the circuit in the box body is prevented from being reduced or aged; and the whole structure is simple, the manufacture is easy and the cost is low.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

[ description of the drawings ]

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of a battery box structure provided by the present invention.

Fig. 2 is a cross-sectional view of the AA side of the battery case structure shown in fig. 1.

Fig. 3 is a side view of the battery case structure shown in fig. 1.

FIG. 4 is a perspective view of a heat sink assembly of the battery box structure shown in FIG. 1

[ detailed description ] embodiments

In order to make the objects, technical solutions and advantageous technical effects of the present invention more clearly understood, the present invention is further described in detail with reference to the accompanying drawings and the following detailed description. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration only and not by way of limitation.

It will be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for ease of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must be in a particular orientation, constructed and operated in a particular orientation, and are therefore not to be considered limiting.

It is also noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," "disposed," and the like are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. To those of ordinary skill in the art, the above terms may be specifically defined in the present invention according to the specific circumstances.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. Further, the meaning of "a plurality" or "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 and 4, the present invention provides a battery box structure 100, which includes a box body 10, a plurality of battery modules 20, a first dust screen 30, a second dust screen 40, and a heat dissipation assembly 50; the box body 10 is provided with a plurality of air inlets 11 and a plurality of air outlets 12, each battery module 20 is formed with a channel 21 along the central axis direction, and each channel 21 comprises an air inlet end 211 and an air outlet end 212 far away from the air inlet end 211; one end of each battery module 20 is provided with a heat dissipation fan 22, and the heat dissipation fan 22 is located at the air outlet end 212; the plurality of battery modules 20 are arranged side by side and accommodated in the box body 10, the heat dissipation fan 22 on each battery module 20 is arranged towards the air outlet 12, and the air inlet end 211 is correspondingly communicated with the plurality of air inlets 11; the first dust-proof net 30 is covered on the plurality of air outlets 12 of the box body 10, and the second dust-proof net 40 is covered on the air inlet 11 of the box body 10; the heat dissipation assembly 50 is clamped on the box body 10.

In this embodiment, the plurality of air inlets 11 are opened at one end of the box body 10, the plurality of air outlets 12 are opened at one end of the box body 10 far away from the air inlets 11, and the shape of each air inlet 11 and the shape of each air outlet 12 are in a long strip shape; the heat dissipation fan 22 is used for blowing the heat in the box 10 out of the box 10 through the air outlet 12, and at this time, the external air can enter the box 10 through the air inlet 11. In other embodiments, the heat dissipation fan 22 is used to blow the external air into the interior of the housing 10 through the air outlet 12, and the heat in the housing 10 can be blown out of the housing 10 through the air inlet 11.

Therefore, the air inlet 11 and the air outlet 12 are designed, and the dustproof nets are arranged at the air inlet 11 and the air outlet 12, so that external dust is prevented from entering the box body 10 when air in the box body 10 circulates, and further, the conductivity of the battery and the circuit in the box body 10 is prevented from being reduced or aged; and the battery box structure 100 has simple overall structure, easy manufacture and low cost.

In one embodiment, the inner surface of the bottom of the case 10 is provided with a shock pad 101, and when the battery module 20 is accommodated in the case 10, the battery module 20 presses the shock pad 101, so that the shock resistance of the battery module 20 in the case 10 can be enhanced.

In one embodiment, each battery module 20 includes a plurality of mounting plates 201 disposed at intervals and a plurality of battery packs 202 respectively sandwiched between every two adjacent mounting plates 201, and each battery pack 202 includes a plurality of unit batteries 2021 arranged side by side.

In one embodiment, each mounting plate 201 defines a through bore 2011 that communicates with the passage 21.

In one embodiment, each unit cell 2021 has a cylindrical shape, and two ends of each unit cell 2021 abut against two adjacent mounting plates 201.

In one embodiment, the first dust-proof net 30 is covered on the plurality of air outlets 12 of the box body 10 and is located outside the box body 10; the second dust screen 40 is covered on the air inlet 11 of the box 10 and is located outside the box 10. In this way, the first and

second dust screens

30 and 40 are easily disassembled and assembled to periodically clean and maintain the first and

second dust screens

30 and 40.

In one embodiment, the heat dissipation assembly 50 includes a heat exchange plate 51 and a plurality of heat dissipation fins 52 fixedly attached to the same side of the heat exchange plate 51; each heat dissipating assembly 50 is clamped at the top of the box body 10, the heat exchanging plate 51 is located outside the box body 10, and the plurality of heat dissipating fins 52 are accommodated inside the box body 10. In this manner, it is facilitated that the plurality of radiating fins 52 absorb heat in the case 10 and conduct the heat to the heat exchange plate 51, and the heat exchange plate 51 releases the heat by heat exchange in contact with the external air.

In one embodiment, the plurality of fins 52 are all "L" shaped and are spaced apart in parallel. The plurality of heat dissipation fins 52 each include a first fin 521 and a second fin 522 formed by extending from one end of the first fin 521, and the second fin 522 is perpendicular to the first fin 521; the heat exchange plate 51 is vertically connected to a side of the first fin 521 facing away from the second fin 522.

Has the advantages that: the air inlet and the air outlet are designed, and the dustproof nets are arranged at the air inlet and the air outlet, so that external dust is prevented from entering the box body when air in the box body circulates, and further, the electric conductivity of the battery and the circuit in the box body is prevented from being reduced or aged; and the whole structure is simple, the manufacture is easy and the cost is low.

The invention is not limited solely to that described in the specification and the embodiments, and additional advantages and modifications will readily occur to those skilled in the art, and it is not intended to be limited to the specific details, representative apparatus, and illustrative examples shown and described herein, without departing from the spirit and scope of the general concept as defined by the appended claims and their equivalents.

Claims

1. A battery box structure is characterized by comprising a box body, a plurality of battery modules, a first dustproof net, a second dustproof net and a heat dissipation assembly; the box body is provided with a plurality of air inlets and a plurality of air outlets, each battery module is provided with a channel along the direction of the central shaft, and each channel comprises an air inlet end and an air outlet end far away from the air inlet end; one end of each battery module is provided with a heat dissipation fan, and the heat dissipation fan is positioned at the air outlet end; the battery modules are arranged side by side and accommodated in the box body, the cooling fan on each battery module is arranged towards the air outlet, and the air inlet end is communicated with the air inlets; the first dustproof mesh cover is arranged on a plurality of air outlets of the box body, and the second dustproof mesh cover is arranged on an air inlet of the box body; the heat dissipation assembly is clamped on the box body.

2. The battery box structure according to claim 1, wherein an inner surface of the bottom of the box body is provided with a shock-absorbing pad.

3. The battery box structure of claim 1, wherein the plurality of air inlets are disposed at one end of the box body, and the plurality of air outlets are disposed at an end of the box body away from the air inlets.

4. The battery box structure of claim 3, wherein the first dust screen cover is disposed on the plurality of air outlets of the box body and is located outside the box body; the second dustproof net cover is arranged on the air inlet of the box body and is positioned outside the box body.

5. The battery box structure of claim 1, wherein the heat dissipation assembly comprises a heat exchange plate and a plurality of heat dissipation fins attached to the same side of the heat exchange plate; each heat dissipation assembly is clamped at the top of the box body, the heat exchange plate is located outside the box body, and the plurality of heat dissipation fins are contained in the box body.

6. The battery box structure of claim 5, wherein the plurality of heat dissipation fins are each "L" shaped and are arranged at intervals; the plurality of radiating fins comprise first fins and second fins formed by extending from one ends of the first fins, and the second fins are perpendicular to the first fins; the heat exchange plate is connected to one side of the first fin, which is far away from the second fin.

7. The battery box structure of claim 1, wherein each battery module comprises a plurality of mounting plates arranged at intervals and a plurality of battery packs respectively clamped between every two adjacent mounting plates, and each battery pack comprises a plurality of single batteries arranged side by side.

8. The battery box structure of claim 7, wherein each mounting plate is formed with a through hole communicating with the through hole.

9. The battery box structure according to claim 7, wherein each unit cell has a cylindrical shape, and both ends of each unit cell are respectively abutted against two adjacent mounting plates.