CN219226478U

CN219226478U - Battery tray assembly

Info

Publication number: CN219226478U
Application number: CN202223366797.6U
Authority: CN
Inventors: 王德生; 张文泽; 吉昌军
Original assignee: Juwu Automobile Technology Kunshan Co ltd
Current assignee: Juwu Automobile Technology Kunshan Co ltd
Priority date: 2022-12-15
Filing date: 2022-12-15
Publication date: 2023-06-20
Anticipated expiration: 2032-12-15

Abstract

The utility model discloses a battery tray assembly, comprising: the tray body with the side walls all around is arranged in the tray body, the battery pack and the side walls all around of the tray body are provided with intervals, the upper parts of at least two side surfaces of the battery pack are respectively provided with a connecting plate, the inner side surface of the side wall of the tray body is provided with a mounting plate corresponding to the connecting plate, and the connecting plates are mutually overlapped and connected with the mounting plates through bolts. The utility model improves the efficiency of cooling the battery pack, reduces the risk of spontaneous combustion caused by overheat of the battery pack, and prevents the battery pack from shaking or shifting in the tray.

Description

Battery tray assembly

Technical Field

The utility model relates to the technical field of batteries, in particular to a battery tray assembly.

Background

Along with the improvement of people's environmental awareness, electric automobile is becoming more popular as green transportation means of new forms of energy, because electric automobile adopts on-vehicle battery to supply power to the motor in order to export power, has apparent effect in energy-conservation, environmental protection. In order to realize higher functions such as mileage of endurance, just need set up a plurality of group batteries on the electric motor car, the way in prior art is with numerous group batteries arrangement in the tray inside, realizes holding, anti-displacement, bearing, anti-collision etc. effect through the tray. To mount the pallet on the vehicle body, a plurality of lifting lugs are typically provided on the pallet to secure the pallet on the vehicle body by the lifting lugs. However, the battery pack placed in the tray may also have a problem of displacement, and the battery pack generates much heat, so that the tray cannot effectively cool the battery pack, and the battery pack may have a risk of spontaneous combustion due to overheating.

Disclosure of Invention

The utility model aims to provide a battery tray assembly, which improves the efficiency of cooling a battery pack, reduces the risk of spontaneous combustion caused by overheat of the battery pack and also prevents the battery pack from shaking or shifting in a tray.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a battery tray assembly, comprising: the tray comprises a tray body with four side walls, wherein a battery pack arranged in the tray body and the four side walls of the tray body are provided with intervals, the upper parts of at least two side surfaces of the battery pack are respectively provided with a connecting plate, the inner side surface of the side wall of the tray body is provided with a mounting plate corresponding to the connecting plate, and the mutually overlapped connecting plates are connected with the mounting plates through bolts;

the tray is characterized in that a through groove which is vertically penetrated is formed in the bottom plate of the tray body and is positioned in the area right below the battery pack, a heat absorbing plate and a heat radiating plate which are horizontally arranged are arranged in the through groove, a cavity is formed between the heat absorbing plate and the heat radiating plate which are arranged at intervals up and down and the side wall of the through groove, the upper surface of the heat absorbing plate is flush with the upper surface of the bottom plate of the Gao Yutuo tray body, and the middle area of the lower surface of the battery pack is contacted with the upper surface of the bottom plate of the tray body, so that a gap is formed between the peripheral edge of the lower surface of the battery pack and the upper surface of the bottom plate of the tray body, a plurality of fins which are vertically arranged are arranged in the cavity at intervals, and the upper end surface and the lower end surface of each fin are contacted with the lower surface of the heat absorbing plate and the upper surface of the heat radiating plate.

The further improved scheme in the technical scheme is as follows:

1. in the above scheme, be provided with the passageway of a plurality of intercommunication between the region and the cavity of tray body bottom plate's upper surface and being located the battery package outside all around.

2. In the above scheme, a shell is arranged on the lower surface of the tray body and positioned on the outer side around the through groove, and at least two cooling fans are arranged in the shell and positioned under the cooling plate.

3. In the scheme, the lower surface of the heat radiation plate is higher than the lower surface of the tray body bottom plate or is flush with the lower surface of the tray body bottom plate.

4. In the scheme, a plurality of heat conduction branch pipes are arranged between the lower surface of the heat absorption plate and the upper end surfaces of the fins.

Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:

according to the battery tray assembly, the upper parts of at least two side surfaces of the battery pack are respectively provided with the connecting plates, the inner side surface of the side wall of the tray body is provided with the mounting plates corresponding to the connecting plates, and the mutually overlapped connecting plates are connected with the mounting plates through bolts, so that the battery pack can be effectively prevented from shaking or shifting in the tray, and the safety problem caused by external force impact of the battery pack is prevented; further, a through groove which is vertically penetrated is formed in the area, which is positioned right below the battery pack, on the bottom plate of the tray body, a heat absorbing plate and a heat radiating plate which are horizontally arranged are arranged in the through groove, a cavity is formed between the heat absorbing plate, the heat radiating plate and the side wall of the through groove, which are arranged at intervals up and down, and the upper surface of the heat absorbing plate, which is higher than the upper surface of the bottom plate of the tray body, is in contact with the middle area of the lower surface of the battery pack, so that a gap is formed between the peripheral edge of the lower surface of the battery pack and the upper surface of the bottom plate of the tray body, heat generated in the working process of the battery pack is downwards conducted through the heat absorbing plate, the heat is uniformly discharged outwards under the action of natural wind through the cavity with fins, the potential safety hazard caused by long-time working and heating of the battery pack is avoided, meanwhile, the heat absorbing plate is not excessively pressed by lifting the heat absorbing plate while the bottom surface of the battery pack is fully contacted with the heat absorbing plate, and the heat absorbing plate is not excessively pressed, and the flow of the heat can be further accelerated, and the heat radiating efficiency is improved.

Drawings

FIG. 1 is a schematic view of a battery tray assembly of the present utility model;

FIG. 2 is a schematic view of the structure of FIG. 1 in partial cross-section at A-A;

FIG. 3 is a schematic view of a partial enlarged structure at B of FIG. 2;

fig. 4 is a schematic view of the structure of the housing in the battery tray assembly of the present utility model.

In the above figures: 1. a tray body; 101. a mounting piece; 2. a battery pack; 201. a connecting plate; 3. a through groove; 41. a heat absorbing plate; 42. a heat dissipation plate; 5. a cavity; 6. a fin; 7. a heat conduction branch pipe; 8. a housing; 9. A heat radiation fan; 14. a channel.

Detailed Description

The present patent will be further understood by the specific examples given below, which are not intended to be limiting.

Example 1: a battery tray assembly, comprising: the tray body 1 with the side walls on the periphery is provided with a space between the battery pack 2 arranged in the tray body 1 and the side walls on the periphery of the tray body 1, a connecting plate 201 is respectively arranged on the upper parts of at least two side surfaces of the battery pack 2, the inner side surface of the side wall of the tray body 1 is provided with a mounting plate 101 corresponding to the connecting plate 201, and the mutually overlapped connecting plate 201 and the mounting plate 101 are connected through bolts, so that the battery pack can be effectively prevented from shaking or shifting in the tray, and the safety problem caused by external force impact on the battery pack is prevented;

the tray comprises a tray body 1, a bottom plate of the tray body 1, a through groove 3 which is vertically penetrated and arranged in an area right below a battery pack 2, a heat absorbing plate 41 and a heat dissipating plate 42 which are horizontally arranged in the through groove 3, a cavity 5 which is formed between the heat absorbing plate 41, the heat dissipating plate 42 and the side wall of the through groove 3 and is higher than the upper surface of the bottom plate of the tray body 1, the upper surface of the heat absorbing plate 41 is contacted with the middle area of the lower surface of the battery pack 2, a gap is formed between the peripheral edge of the lower surface of the battery pack 2 and the upper surface of the bottom plate of the tray body 1, a plurality of fins 6 which are vertically arranged are arranged in the cavity 5 at intervals, and the upper end surface and the lower end surface of each fin 6 are contacted with the lower surface of the heat absorbing plate 41 and the upper surface of the heat dissipating plate 42.

A plurality of communicating channels 14 are arranged between the upper surface of the bottom plate of the tray body 1 and the cavity 5 and the area which is positioned at the outer side around the battery pack 2.

The heat absorbing plate 41 and the heat dissipating plate 42 are copper plates.

The lower surface of the heat dissipation plate 42 is higher than the lower surface of the bottom plate of the tray body 1.

A plurality of heat-conducting branch pipes 7 are arranged between the lower surface of the heat absorbing plate 41 and the upper end surfaces of the fins 6.

Example 2: a battery tray assembly, comprising: the tray comprises a tray body 1 with peripheral side walls, wherein a battery pack 2 arranged in the tray body 1 and the peripheral side walls of the tray body 1 are provided with intervals, a connecting plate 201 is respectively arranged on the upper parts of at least two side surfaces of the battery pack 2, mounting pieces 101 corresponding to the connecting plate 201 are arranged on the inner side surfaces of the side walls of the tray body 1, and the mutually overlapped connecting plates 201 and the mounting pieces 101 are connected through bolts;

the tray body 1 is provided with a through groove 3 which is vertically penetrated in an area right below the battery pack 2, the through groove 3 is internally provided with a heat absorbing plate 41 and a heat radiating plate 42 which are horizontally arranged, a cavity 5 is formed between the heat absorbing plate 41, the heat radiating plate 42 and the side wall of the through groove 3 which are arranged at intervals up and down, the upper surface of the heat absorbing plate 41 which is higher than the upper surface of the tray body 1 is contacted with the middle area of the lower surface of the battery pack 2, a gap is formed between the peripheral edge of the lower surface of the battery pack 2 and the upper surface of the bottom plate of the tray body 1, a plurality of fins 6 which are vertically arranged are arranged in the cavity 5 at intervals, the upper end surface and the lower end surface of the fins 6 are contacted with the lower surface of the heat absorbing plate 41 and the upper surface of the heat radiating plate 42, heat generated in the battery pack working process is downwards conducted through the heat absorbing plate, the cavity and the heat radiating plate with the heat uniformly outwards under the action of natural wind, the safety hidden danger caused by long-time working of the battery pack is avoided, meanwhile, the heat absorbing plate is lifted through the heat absorbing plate and the battery pack and the heat absorbing plate, the heat absorbing plate is fully arranged between the bottom plate and the bottom plate, and the heat absorbing plate is fully and the heat absorbing plate is not contacted with the heat.

A casing 8 is mounted on the lower surface of the tray body 1 and located at the outer side around the through groove 3, and at least two heat dissipation fans 9 are mounted in the casing 8 and located under the heat dissipation plate 42.

The heat absorbing plate 41 and the heat dissipating plate 42 are aluminum plates.

The lower surface of the heat dissipation plate 42 is flush with the lower surface of the bottom plate of the tray body 1.

When the battery tray assembly is adopted, the upper parts of at least two side surfaces of the battery pack are respectively provided with the connecting plates, the inner side surface of the side wall of the tray body is provided with the mounting plates corresponding to the connecting plates, and the mutually overlapped connecting plates are connected with the mounting plates through bolts, so that the battery pack can be effectively prevented from shaking or shifting in the tray, and the safety problem caused by external force impact of the battery pack is prevented;

further, it is with the heat that produces in the battery package working process, down conduct through the absorber plate, through cavity and the heating panel that have the fin, evenly outwards discharge the heat under the effect of natural wind, avoid the battery package long-time work to generate heat the potential safety hazard that leads to, simultaneously through raising the clearance that the absorber plate formed between battery package and layer board bottom plate, also can not produce too big pressure to the absorber plate when battery package bottom surface and absorber plate fully contact, can also further accelerate the flow of gas, improve the efficiency that the heat diverges.

The above embodiments are provided to illustrate the technical concept and features of the present utility model and are intended to enable those skilled in the art to understand the content of the present utility model and implement the same, and are not intended to limit the scope of the present utility model. All equivalent changes or modifications made in accordance with the spirit of the present utility model should be construed to be included in the scope of the present utility model.

Claims

1. A battery tray assembly, comprising: tray body (1) with lateral wall all around installs all have the interval between battery package (2) in tray body (1) and tray body (1) lateral wall all around, its characterized in that: a connecting plate (201) is respectively arranged at the upper parts of at least two side surfaces of the battery pack (2), mounting pieces (101) corresponding to the connecting plates (201) are arranged on the inner side surfaces of the side walls of the tray body (1), and the mutually overlapped connecting plates (201) are connected with the mounting pieces (101) through bolts;

a through groove (3) which is vertically penetrated is formed in an area, which is positioned right below the battery pack (2), on the bottom plate of the tray body (1), a heat absorbing plate (41) and a heat radiating plate (42) which are horizontally arranged are arranged in the through groove (3), a cavity (5) is formed between the heat absorbing plate (41), the heat radiating plate (42) and the side wall of the through groove (3), the upper surface of the heat absorbing plate (41) which is higher than the upper surface of the bottom plate of the tray body (1) is contacted with the middle area of the lower surface of the battery pack (2), a gap is formed between the peripheral edge of the lower surface of the battery pack (2) and the upper surface of the bottom plate of the tray body (1), a plurality of fins (6) which are vertically arranged are arranged in the cavity (5) at intervals, and the upper end surface and the lower end surface of each fin (6) are contacted with the lower surface of the heat absorbing plate (41) and the upper surface of the heat radiating plate (42).

2. The battery tray assembly of claim 1, wherein: a plurality of communicated channels (14) are arranged between the area, which is positioned on the outer side of the periphery of the battery pack (2), of the upper surface of the bottom plate of the tray body (1) and the cavity (5).

3. The battery tray assembly of claim 1, wherein: a shell (8) is arranged on the lower surface of the tray body (1) and positioned on the outer side around the through groove (3), and at least two cooling fans (9) are arranged in the shell (8) and positioned under the cooling plate (42).

4. The battery tray assembly of claim 1, wherein: the heat absorbing plate (41) and the heat dissipating plate (42) are either copper plates or aluminum plates.

5. The battery tray assembly of claim 1, wherein: the lower surface of the heat radiation plate (42) is higher than the lower surface of the bottom plate of the tray body (1) or is flush with the lower surface of the bottom plate of the tray body (1).

6. The battery tray assembly of claim 1, wherein: a plurality of heat conduction branch pipes (7) are arranged between the lower surface of the heat absorbing plate (41) and the upper end surfaces of the fins (6).