CN220172208U - Battery package air-cooling structure - Google Patents

Abstract

The utility model provides a battery pack air cooling structure which comprises a main body shell, a storage rack and a cooling assembly, wherein the storage rack and the cooling assembly are arranged in the main body shell; the storage rack is used for placing a plurality of battery modules, and a first heat dissipation channel is formed between adjacent battery modules in the plurality of battery modules; the cooling component is positioned at one side of the storage rack and comprises a support frame and a plurality of fans arranged on the support frame, and the fans can enable cold air to pass through the first heat dissipation channel to dissipate heat of the battery module; in this structure, set up cooling subassembly, first heat dissipation passageway and second heat dissipation passageway on the reinforcing to battery module radiating effect's basis, still have simple structure, occupation space is few, do benefit to advantages such as promotion of battery package energy density.

Description

Battery package air-cooling structure

[ field of technology ]

The utility model relates to the technical field of lithium batteries, in particular to an air cooling structure of a battery pack.

[ background Art ]

At present, along with the improvement requirement of battery life mileage, the promotion of battery electric quantity, the battery package is interior the battery cell during operation gathers too much heat and has seriously influenced the life-span of electric core, and the battery package needs to design cooling system in order to reduce electric core temperature. The cooling mode mainly comprises liquid cooling, direct cooling, immersion and air cooling, wherein the cost of the liquid cooling, direct cooling and immersion cooling modes is higher, so that an air cooling channel with lower design cost in the battery pack is commonly adopted to realize the cooling of the battery pack. However, the air cooling channel arranged in the existing battery pack has poor cooling effect on the battery core, the ideal cooling effect on the large-sized battery module cannot be achieved, and the occupied space in the battery pack is large, so that the improvement of the energy density of the battery pack is affected.

In view of the above, the present utility model provides an air cooling structure of a battery pack to solve the above-mentioned technical problems.

[ utility model ]

In order to solve the technical problems, the utility model adopts the following technical scheme:

a battery pack air cooling structure comprises a main body shell, a storage rack and a cooling assembly, wherein the storage rack and the cooling assembly are arranged in the main body shell; the storage rack is used for placing a plurality of battery modules, and a first heat dissipation channel is formed between adjacent battery modules in the plurality of battery modules; the cooling component is located one side of the storage rack and comprises a support frame and a plurality of fans arranged on the support frame, and the fans can enable cold air to pass through the first heat dissipation channel to dissipate heat of the battery module.

Further, the storage rack comprises a plurality of vertical supports and transverse supports arranged on the vertical supports, the transverse supports are perpendicular to the vertical supports, and two ends of each transverse support are respectively connected with different vertical supports.

Further, the battery module is mounted on the transverse bracket; the transverse support is located between adjacent battery modules.

Further, the battery module is positioned among the plurality of vertical brackets; a plurality of fixing pieces are arranged on one side, facing the battery module, of the vertical support, and are uniformly distributed along the length direction of the vertical support; and two ends of the transverse bracket are connected with the vertical bracket through the fixing piece.

Further, the fixing piece comprises a fixing plate and an abutting plate connected with one end of the fixing plate, and the abutting plate is perpendicular to the fixing plate.

Furthermore, the vertical support and the transverse support are both arranged in a long strip shape.

Further, the inside of the transverse bracket is arranged in the cavity; openings communicated with the cavity are formed in two ends of the transverse support; and air outlet holes communicated with the cavity are formed in the periphery of the transverse support.

Further, the cavity, the opening and the air outlet hole form a second heat dissipation channel on the transverse bracket.

Compared with the prior art:

1. the utility model is provided with a cooling component, the cooling component comprises a support frame and a plurality of fans arranged on the support frame, and the support frame is fixed on one side of a vertical support; the cooling component has the advantages of simple structure, small occupied space, contribution to the improvement of the energy density of the battery pack and the like in the battery pack.

2. According to the utility model, the first heat dissipation channels between the adjacent battery modules and the second heat dissipation channels arranged on the transverse support are arranged, and the first heat dissipation channels are communicated with the second heat dissipation channels, so that cold air can circulate in the first heat dissipation channels and the second heat dissipation channels, and the heat dissipation effect on the battery modules is enhanced.

[ description of the drawings ]

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related 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 an air-cooled structure of a battery pack according to the present utility model;

fig. 2 is a schematic view of a portion of the air cooling assembly shown in fig. 1;

fig. 3 is a schematic view illustrating a connection structure between the battery module and the vertical support shown in fig. 2;

FIG. 4 is a schematic diagram of the cooling assembly of FIG. 1;

the figure shows: the main body shell 1, the storage rack 2, the vertical support 21, the fixing piece 22, the fixing plate 221, the abutting plate 222, the transverse support 23, the opening 231 and the air outlet 232; the cooling assembly 3, the supporting frame 31 and the fan 32; a battery module 4;

[ detailed description ] of the utility model

In order to make the objects, technical solutions and advantageous technical effects of the present utility model more apparent, the present utility model will be further described in detail with reference to the accompanying drawings and detailed description. It should be understood that the detailed description is intended to illustrate the utility model, and not to limit the utility model.

It is also to be understood that the terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be further understood that the term "and/or" as used in the present specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.

As shown in fig. 1, the present utility model provides an air cooling structure, which is mainly disposed in a battery pack, and cools a battery module in the battery pack to ensure performance of the battery pack. The air cooling structure comprises a main body shell 1, a storage rack 2 and a cooling component 3, wherein the storage rack 2 and the cooling component 3 are arranged in the main body shell 1, the cooling component 3 is positioned on one side of the storage rack 2, a plurality of battery modules 4 are placed on the storage rack 2, and the cooling component 3 can cool the plurality of battery modules 4 placed on the storage rack 2.

Referring to fig. 2, the storage rack 2 includes a plurality of vertical supports 21, fixing members 22 disposed on the vertical supports 21, and transverse supports 23 connected to the vertical supports 21 through the fixing members 22, where the vertical supports 21 and the transverse supports 23 are both in a strip structure.

The battery modules 4 are positioned among a plurality of vertical supports 21, and the plurality of vertical supports 21 are used for supporting the battery modules 4; the fixing member 22 is provided at a side of the vertical support 21 facing the battery module 4; the transverse brackets 23 are connected through the fixing pieces 22 and are perpendicular to the vertical brackets 21, and the transverse brackets 23 are arranged to be connected with the vertical brackets 21, so that the bearing capacity of the storage rack 2 on the battery modules 4 can be enhanced, and the battery modules 4 can be placed on the storage rack 2; in the present embodiment, the battery module 4 is mounted on the lateral bracket 23, and the battery module 4 is in a horizontal state on the storage rack 2; it can be seen that the lateral brackets 23 connecting the same battery module 4 are at the same height on the storage rack 2, and the fixing members 22 connecting the same lateral brackets 23 are also at the same height on the vertical brackets 21.

Referring to fig. 3 and 4, the fixing member 22 includes a fixing plate 221 and an abutting plate 222 connected to one end of the fixing plate 221, and the fixing plate 221 is perpendicular to the abutting plate 222; a cavity (not shown) is arranged in the transverse bracket 23, openings 231 communicated with the cavity are formed at two ends of the transverse bracket 23, and air outlet holes 232 communicated with the cavity are formed at the periphery of the transverse bracket 23; the fixing plate 221 is arranged at one side of the vertical support 21 close to the battery module 4, namely, the connection between the abutting plate 222 and the transverse support 23 can enable the transverse support 23 to be vertical and connected with the vertical support 21 through the fixing piece 22; in this embodiment, one end of the abutment plate 222 passes through the opening 231 at one end of the transverse bracket 23 to enter the cavity, and is fixed to the inner wall of the cavity, so as to complete the connection between the abutment plate 222 and the transverse bracket 23.

Specifically, a plurality of fixing pieces 22 are provided on the vertical support 21, and the plurality of fixing pieces 22 are uniformly distributed along the length direction of the vertical support 21; since the fixing member 22 connects the transverse bracket 23 and the vertical bracket 21, the battery modules 4 are mounted on the transverse bracket 23, and the battery modules 4 are horizontally arranged on the storage rack 2, it can be known that a plurality of battery modules 4 are stacked on the storage rack 2, the transverse bracket 23 is positioned between adjacent battery modules 4, and the transverse bracket 23 is used for supporting the battery modules 4 mounted thereon; it can be understood that a first heat dissipation channel (not shown) through which cold air flows is formed between the adjacent battery modules 4 on the storage rack 2, and the flowing air passes through the storage rack 2 to cool the adjacent battery modules 4; the upper cavity of the transverse bracket 23, the opening 231 and the air outlet 232 form a second heat dissipation channel (not shown) through which air can flow, the second heat dissipation channel can be communicated with the first heat dissipation channel by the air outlet 232, when cold air passes through the first heat dissipation channel, the air can enter the second heat dissipation channel through the air outlet 232 to flow, the phenomenon that the transverse bracket 23 blocks cold air when the cold air is in the first heat dissipation channel is avoided, and the mobility of the cold air on the storage rack 2 is reduced. It should be noted that, when the abutting plate 222 passes through the opening 231 at one end of the transverse bracket 23, the opening 231 is not blocked, and cold air can also enter the cavity through the opening 231 at one end of the transverse bracket 23 and flow out from the opening 231 at the other end of the transverse bracket 23; in this embodiment, the cool air may flow from the first heat dissipation channel to the first heat dissipation channel by entering the second heat dissipation channel through the air outlet 232, and form a circulation from the opening 231 of the second heat dissipation channel; cool air can also enter the second heat dissipation channel from the first heat dissipation channel through the opening 231 of the transverse bracket 23, and flows to the first heat dissipation channel from the air outlet 232 to form circulation; both the two modes can have good heat dissipation effect in the process of cooling the battery module 4.

Specifically, the cooling component 3 includes a support 31 and a plurality of fans 32 disposed on the support 31; the support frame 31 is vertically arranged and fixed on the vertical support 21, the fans 32 are sequentially arranged along the length direction of the support frame 31, the fans 32 are arranged in the battery pack, cold air for cooling the battery modules 4 can be provided, and the cold air can effectively play a role in fully cooling the battery modules 4 on the storage rack 2 through the first cooling channel and the second cooling channel.

In this embodiment, the supporting frame 31 is fixed on one side of the vertical support 21, the vertical support 21 can play a certain role in supporting the supporting frame 31, and in the operation of the fans 32, the shaking degree of the supporting frame 31 is reduced; however, a supporting frame 31 is arranged at one side of the storage rack 2, a plurality of fans 32 are installed on the supporting frame 31, and a plurality of battery modules 4 can be cooled by combining a first heat dissipation channel and a second heat dissipation channel formed by the structures of the battery modules 4 and the storage rack 2; the air cooling structure has the advantages of simple structure, small occupied space, contribution to the improvement of the energy density of the battery pack and the like.

The present utility model is not limited to the details and embodiments described herein, and thus additional advantages and modifications may readily be made by those skilled in the art, without departing from the spirit and scope of the general concepts defined in the claims and the equivalents thereof, and the utility model is not limited to the specific details, representative apparatus and illustrative examples shown and described herein.

Claims (8)

1. The utility model provides a battery package air-cooled structure which characterized in that: comprises a main body shell, a storage rack and a cooling component, wherein the storage rack and the cooling component are arranged in the main body shell; the storage rack is used for placing a plurality of battery modules, and a first heat dissipation channel is formed between adjacent battery modules in the plurality of battery modules; the cooling component is located one side of the storage rack and comprises a support frame and a plurality of fans arranged on the support frame, and the fans can enable cold air to pass through the first heat dissipation channel to dissipate heat of the battery module.

2. The battery pack air-cooling structure according to claim 1, wherein: the storage rack comprises a plurality of vertical supports and transverse supports arranged on the vertical supports, the transverse supports are perpendicular to the vertical supports, and two ends of each transverse support are respectively connected with different vertical supports.

3. The battery pack air-cooling structure according to claim 2, wherein: the battery module is arranged on the transverse bracket; the transverse support is located between adjacent battery modules.

4. The battery pack air-cooling structure according to claim 2, wherein: the battery module is positioned among the plurality of vertical brackets; a plurality of fixing pieces are arranged on one side, facing the battery module, of the vertical support, and are uniformly distributed along the length direction of the vertical support; and two ends of the transverse bracket are connected with the vertical bracket through the fixing piece.

5. The battery pack air-cooled structure of claim 4, wherein: the fixing piece comprises a fixing plate and an abutting plate connected with one end of the fixing plate, and the abutting plate is perpendicular to the fixing plate.

6. The battery pack air-cooling structure according to claim 2, wherein: the vertical support and the transverse support are both arranged in a long strip shape.

7. The battery pack air-cooling structure according to claim 2, wherein: the inside of the transverse bracket is arranged in the cavity; openings communicated with the cavity are formed in two ends of the transverse support; and air outlet holes communicated with the cavity are formed in the periphery of the transverse support.

8. The battery pack air-cooled structure of claim 7, wherein: the cavity, the opening and the air outlet hole form a second heat dissipation channel on the transverse bracket.