CN220021308U

CN220021308U - Aviation baffle, battery module and battery subrack

Info

Publication number: CN220021308U
Application number: CN202321487771.9U
Authority: CN
Inventors: 江吉佩
Original assignee: Cornex New Energy Co ltd
Current assignee: Cornex New Energy Co ltd
Priority date: 2023-06-12
Filing date: 2023-06-12
Publication date: 2023-11-14
Anticipated expiration: 2033-06-12

Abstract

The utility model provides an air deflector, a battery module and a battery plug box, which comprise a bottom plate and a longitudinal plate, wherein the longitudinal plate is vertically arranged on the bottom plate; the longitudinal plate comprises rib plates and connecting plates, wherein a plurality of rib plates are arranged and are parallel to the bottom plate; the connecting plates are arranged in a plurality, the connecting plates and the rib plates are arranged in a staggered mode, and the thickness of each connecting plate is smaller than that of each rib plate so as to form air channels on two sides of each connecting plate. Above-mentioned structure constitutes the aviation baffle through setting up bottom plate and indulging the board, and the bottom plate can support the electric core when using, so can improve the stability that the battery module was organized, simultaneously, indulge the board and constitute by floor and connecting plate to form the wind channel in the connecting plate both sides, so when electric core laminating aviation baffle set up, the cooling air current flows through the wind channel and can directly contact the electric core, does not need the heat conduction step, this effectual radiating efficiency that has improved.

Description

Aviation baffle, battery module and battery subrack

Technical Field

The utility model relates to the technical field of batteries, in particular to an air deflector, a battery module and a battery plug box.

Background

In the energy storage container, the battery box is usually composed of a container frame and a battery box, a battery module is arranged in the battery box, the battery box is integrally inserted into the container and used for storing energy, and a cooling assembly is arranged in the battery box for cooling the battery module in order to keep the working condition of the battery box normal.

The utility model patent application with the prior application publication number of CN114725572A discloses a power supply system which comprises a battery box, a refrigerating piece and a plurality of power supply components; the heat dissipation mechanism comprises a plurality of partition sectional materials and a fan, the fan is arranged in the mounting hole, the air inlet end of the fan is communicated with the air duct, and the air outlet end of the fan is communicated with the inner cavity of the battery box; each electric core is attached and arranged between two adjacent partition sectional materials.

According to the technical scheme, the partition section bars are arranged between the adjacent battery cells; it is also specified in section 38 of the specification: the heat generated in the working process of the battery cell 33 is conducted to the heat dissipation groove 3211 through the partition section bar 321 and finally discharged into the inner cavity of the battery box 1; the utility model patent with the publication number of CN218215473U can be seen, and also discloses a heat-conducting type heat dissipation air duct structure, and the battery cell isolating piece with the structure needs to conduct heat firstly and then dissipate heat, so that the heat dissipation efficiency is low, and meanwhile, the isolating section bar only dissipates heat, and the function is single.

Disclosure of Invention

In view of the above, the utility model provides an air deflector with high heat dissipation efficiency and diversified functions, which is applied to a battery module and a battery plug box to solve the problems of low heat dissipation efficiency and single function of a partition section bar in the existing battery module.

The technical scheme of the utility model is realized as follows:

in one aspect, the utility model provides an air deflector, which comprises a bottom plate and a longitudinal plate, wherein the longitudinal plate is vertically arranged on the bottom plate;

the longitudinal plate comprises rib plates and connecting plates, wherein,

the rib plates are arranged in a plurality and are parallel to the bottom plate;

the connecting plates are arranged in a plurality, the plurality of connecting plates and the plurality of rib plates are arranged in a staggered mode, and the thickness of each connecting plate is smaller than that of each rib plate so as to form air channels on two sides of each connecting plate.

On the basis of the above technical solution, preferably, the longitudinal plate is connected with the bottom plate by a rib plate.

On the basis of the technical scheme, preferably, the bottom plate protrudes to two sides of the longitudinal plate, and the bottom plate and the longitudinal plate form an inverted T-shaped structure.

On the basis of the technical scheme, the novel vertical plate is characterized by further comprising limiting rods, wherein two limiting rods are arranged at one end, far away from the bottom plate, of the vertical plate, and an interval is arranged between the two limiting rods.

On the basis of the technical scheme, the wire harness buckle is preferably arranged at one end of the longitudinal plate far away from the bottom plate.

On the basis of the technical scheme, preferably, the rib plates are of a grid-shaped structure.

On the other hand, the utility model provides a pool module, which comprises the air deflector.

On the basis of the technical proposal, the utility model preferably further comprises a battery cell and a binding belt, wherein,

the battery cells are arranged in parallel, one air deflector is arranged between any two adjacent battery cells, and the battery cells are supported by the bottom plate of the air deflector;

the ribbon is used for bundling the battery core and the air deflector.

In still another aspect, the present utility model provides a battery box, including the above battery module.

On the basis of the technical proposal, the utility model preferably further comprises an air duct plate and a cooling fan, wherein,

the air duct plate is provided with an air inlet and an air outlet which are communicated with each other;

the cooling fan is positioned in the air inlet and is fixedly connected with the air duct plate;

the battery module is attached to the air outlet, and the air duct corresponds to the air outlet.

Compared with the prior art, the air deflector, the battery module and the battery plug box have the following beneficial effects:

(1) The air guide plate is formed by the bottom plate and the longitudinal plates, the bottom plate can support the battery cells when the air guide plate is used, so that the stability of the battery module group can be improved, meanwhile, the longitudinal plates are formed by the rib plates and the connecting plates, and air channels are formed at two sides of the connecting plates, so that when the battery cells are attached to the air guide plate, cooling air flows through the air channels and can directly contact the battery cells, a heat conduction step is not needed, and the heat dissipation efficiency is effectively improved;

(2) The limiting rod and the wire harness buckle are arranged on the longitudinal plate, so that the bus piece and the wire harness for connecting the battery cells are conveniently fixed, and the convenience of grouping the battery modules is improved;

(3) Through setting up the floor into grid column structure, this structural strength that can guarantee the longitudinal plate, cause the longitudinal plate extrusion damage when avoiding the ribbon to tie up the electric core, grid column structure quality is lighter simultaneously, is favorable to guaranteeing battery module's energy density.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the 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 perspective view of an air deflector of the present utility model;

FIG. 2 is a front view of the air deflection plate of the present utility model;

FIG. 3 is a side view of the air deflection of the present utility model;

fig. 4 is a perspective view of the battery module according to the present utility model;

fig. 5 is a perspective view of the battery receptacle of the present utility model;

FIG. 6 is a block diagram of the point A of FIG. 5 in accordance with the present utility model;

fig. 7 is a perspective view of the battery receptacle removed battery module of the present utility model;

FIG. 8 is a perspective view of an air duct board of the battery compartment of the present utility model;

fig. 9 is a perspective view of an air duct plate and a heat radiation fan of the battery box of the present utility model;

in the figure: the electric cable comprises a bottom plate 1, a longitudinal plate 2, rib plates 21, a connecting plate 22, an air duct 201, a limit rod 3, a spacing 301, a wire harness buckle 4, an electric core 5, a binding belt 6, an air duct plate 7, an air inlet 701, an air outlet 702, a cooling fan 8, an end plate 9, a bus bar 100, a limit groove 1001 and a wire harness 200.

Detailed Description

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

As shown in fig. 1 to 3, the air deflector comprises a bottom plate 1, a longitudinal plate 2, a limiting rod 3 and a wire harness buckle 4;

as shown in fig. 4, the battery module of the present utility model includes the air deflector described above;

as shown in fig. 5 to 9, the battery box of the present utility model includes the above-described battery module.

Wherein the vertical plate 2 is vertically arranged on the bottom plate 1;

further, the battery module further comprises an electric core 5 and a binding belt 6.

When the battery modules are grouped, the bottom surface of the battery cell 5 is abutted against the bottom plate 1, and the side surface of the battery cell 5 is abutted against the vertical plate 2;

specifically, referring to fig. 4 to 6, a plurality of electric cores 5 are arranged in parallel, an air deflector is arranged between any two adjacent electric cores 5, and a bottom plate 1 of the air deflector supports the electric cores 5; the ribbon 6 is used for bundling the battery core 5 and the air deflector;

according to the structure, the plurality of battery cells 5 and the plurality of air deflectors are arranged at intervals, and then the battery cells 5 are bundled into groups by the bundling belt 6, so that the battery cells 5 are prevented from being damaged when the bundling belt 6 is bundled, and as shown in fig. 4, the two ends of the battery module are respectively provided with one end plate 9 so as to prevent the battery cells 5 from being damaged when the bundling belt 6 is bundled.

Further, as shown in fig. 5, 7, 8 and 9, the battery box further includes an air duct board 7 and a cooling fan 8, wherein the air duct board 7 has an air inlet 701 and an air outlet 702 which are mutually communicated; a cooling fan 8, which is located in the air inlet 701, and the cooling fan 8 is fixedly connected with the air duct board 7; the battery module is attached to the air outlet 702, and the air duct 201 corresponds to the air outlet 702;

in the above structure, when radiating heat, the heat radiation fan 8 supplies air, and the cooling air flows into the air duct plate 7 through the air inlet 701 and flows out through the air outlet 702, and then flows through the air deflector to radiate the heat of the battery cell 5.

The heat radiation fan 8 is an air intake and air supply type fan, and the heat radiation fan 8 may be an air exhaust type fan.

As shown in fig. 1 to 3, the longitudinal plate 2 includes rib plates 21 and connecting plates 22, wherein a plurality of rib plates 21 are provided, and the rib plates 21 are parallel to the bottom plate 1; the plurality of connecting plates 22 are arranged, the plurality of connecting plates 22 and the plurality of rib plates 21 are arranged in a staggered manner, and the thickness of the connecting plates 22 is smaller than that of the rib plates 21 so as to form air channels 201 on two sides of the connecting plates 22;

according to the structure, when the battery cell 5 is attached to the longitudinal plate 2, the battery cell 5 only contacts the rib plate 21, but not contacts the connecting plate 22, when the battery module is subjected to air cooling, air flows through the air duct 201 and can directly contact the battery cell 5, so that the heat dissipation efficiency can be remarkably improved, and meanwhile, the arrangement of the rib plate 21 is beneficial to ensuring the overall structural strength of the longitudinal plate 2 and avoiding the damage to the longitudinal plate 2 when the binding belt 6 is bound.

Specifically, the rib plate 21 adopts a grid-like structure; the grid concave part of the rib plate 21 is in a rectangular structure in the illustration, and of course, the rib plate can also adopt a triangle, a circle and other structures; the grid-shaped rib plates 21 have the advantages of sufficient strength and light weight, and can ensure the energy density of the grouped battery modules.

Further, the longitudinal plate 2 is connected with the bottom plate 1 through a rib plate 21; the strength of the connection of the longitudinal plate 2 and the bottom plate 1 is ensured by the arrangement of the structure, and the bending of the connection part is avoided.

Further, the bottom plate 1 protrudes to two sides of the vertical plate 2, and the bottom plate 1 and the vertical plate 2 form an inverted T-shaped structure; therefore, when the battery cells 5 are grouped, the bottom surface of each battery cell 5 can be supported by the bottom plates 1 of the air deflectors at the two sides, so that the structural stability of the battery module can be ensured.

In the air deflector, two limiting rods 3 are arranged at one end of a longitudinal plate 2 far away from a bottom plate 1, and a space 301 is arranged between the two limiting rods 3;

as shown in fig. 5 and 6, the busbar 100 needs to be arranged between the cells 5 and 5 for busbar, and the busbar 100 is limited by the limiting rod 3, and the busbar 100 and the electrode post of the cell 5 are connected by welding, so that the busbar 100 is limited by the limiting rod 3, positioning of the busbar 100 can be achieved, and welding precision of the busbar 100 and the cell 5 can be improved;

further, the limiting groove 1001 which is clamped with the limiting rod 3 can be formed in the busbar 100, and when the busbar 100 is mounted, the limiting rod 3 is clamped with the busbar 100 through the limiting groove 1001, so that the busbar 100 can be further ensured to be positioned accurately, and the busbar 100 and the pole posts of two adjacent electric cores 5 can be welded conveniently.

In the air deflector, a wire harness buckle 4 is arranged at one end of a longitudinal plate 2 far away from a bottom plate 1;

as shown in fig. 5 to 7, a wire harness 200 is connected with the busbar 100, the wire harness 200 is used for detecting working conditions of the battery cell 5, for example, detecting parameters such as temperature, voltage and the like, and the specific wire harness 200 is an FPC sampling wire; because the wire harness 200 needs to be connected with the bus plates 100 on the plurality of battery cells 5 in series, if the wire harness 200 is not fixed, the wire harness 200 and the wire harness buckle 4 are connected and fixed at the moment, and the cleanliness of the battery module can be improved.

The specific implementation steps are as follows:

firstly, arranging a plurality of electric cores 5 and a plurality of air deflectors in parallel and staggered, attaching the electric cores 5 to a longitudinal plate 2 and supporting the electric cores through a bottom plate 1, then placing end plates 9 at two ends, and bundling the electric cores by using a bundling belt 6 to form a battery module;

welding a bus bar 100 between the battery cell 5 and the pole of the battery cell 5, limiting the bus bar 100 through a limiting rod 3, installing a wire harness 200 on the bus bar 100, and connecting and fixing the wire harness 200 with a wire harness buckle 4;

the battery module is attached to the air duct plate 7, and the cooling fan 8 supplies air into the air duct plate 7 through the air inlet 701, and the cooling air flows out through the air outlet 702 and flows into the air duct 201, so that the battery cell 5 is cooled.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. The air deflector comprises a bottom plate (1) and a longitudinal plate (2), wherein the longitudinal plate (2) is vertically arranged on the bottom plate (1);

the method is characterized in that: the longitudinal plate (2) comprises rib plates (21) and connecting plates (22), wherein,

the rib plates (21) are arranged in a plurality, and the rib plates (21) are parallel to the bottom plate (1);

the air duct type air conditioner comprises a plurality of connecting plates (22), wherein the plurality of connecting plates (22) and the plurality of rib plates (21) are arranged in a staggered mode, and the thickness of each connecting plate (22) is smaller than that of each rib plate (21) so as to form air ducts (201) on two sides of each connecting plate (22).

2. The air deflection of claim 1 wherein: the longitudinal plate (2) is connected to the base plate (1) by means of a rib (21).

3. The air deflection of claim 1 wherein: the bottom plate (1) protrudes to two sides of the vertical plate (2), and the bottom plate (1) and the vertical plate (2) form an inverted T-shaped structure.

4. A wind deflector according to any of claims 1 to 3, wherein: the novel vertical plate is characterized by further comprising limiting rods (3), wherein two limiting rods (3) are arranged at one ends, far away from the bottom plate (1), of the vertical plate (2), and a space (301) is arranged between the limiting rods (3).

5. A wind deflector according to any of claims 1 to 3, wherein: the wire harness buckle (4) is arranged at one end, far away from the bottom plate (1), of the vertical plate (2).

6. A wind deflector according to any of claims 1 to 3, wherein: the rib plates (21) are in a grid-shaped structure.

7. A battery module, characterized in that: comprising a wind deflector according to any of claims 1-6.

8. The battery module of claim 7, wherein: also comprises an electric core (5) and a binding belt (6), wherein,

the battery cells (5) are arranged in parallel, one air deflector is arranged between any two adjacent battery cells (5), and the battery cells (5) are supported by the bottom plate (1) of the air deflector;

the binding belt (6) is used for binding the battery cell (5) and the air deflector.

9. A battery jack, characterized in that: comprising the battery module according to claim 7 or 8.

10. The battery compartment as recited in claim 9, wherein: also comprises an air duct plate (7) and a cooling fan (8), wherein,

the air duct plate (7) is provided with an air inlet (701) and an air outlet (702) which are communicated with each other;

the cooling fan (8) is positioned in the air inlet (701), and the cooling fan (8) is fixedly connected with the air duct plate (7);

the battery module is attached to the air outlet (702), and the air duct (201) corresponds to the air outlet (702).