CN218986336U

CN218986336U - New energy electric automobile tray

Info

Publication number: CN218986336U
Application number: CN202223366785.3U
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: 2023-05-09
Anticipated expiration: 2032-12-15

Abstract

The utility model discloses a new energy electric automobile tray, comprising: the tray body with the side walls on the periphery is internally provided with a battery pack, a through groove which is vertically penetrated is formed in an area which is positioned under the battery pack and is arranged 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 plurality of fins which are vertically arranged are arranged between the heat radiating plate and the heat absorbing plate which are arranged under the heat absorbing plate at intervals, and a shell is arranged on the lower surface of the tray body and is positioned on the outer side of the periphery of the through groove. The utility model solves the problem that natural wind can not effectively cool the battery pack, reduces the risk of spontaneous combustion of the battery pack and strengthens the air flow in the tray.

Description

New energy electric automobile tray

Technical Field

The utility model relates to the technical field of batteries, in particular to a new energy electric automobile tray.

Background

With the continuous development of new energy automobiles, the requirements on the installation and safety performance of power batteries in the new energy automobiles are also becoming higher and higher; especially how to mount the power battery on the automobile, and simultaneously, the safety performance of the power battery in the use process and the response to some special problems can be considered, so that the power battery is a difficult problem for preventing the development of new energy automobiles. In new energy automobiles, a general method adopted at present is to install a power battery (a module or a module) on an automobile tray; the space is saved, the weight of the power battery can be concentrated at the bottom of the automobile, and the stability of the automobile is improved; meanwhile, the bottom of the tray can be cooled by natural wind in the running process of the automobile through the exposed characteristic of the bottom of the tray, so that the power battery arranged on the tray is cooled. However, when the external environment is high in temperature, the battery pack itself cannot be fully and effectively cooled by the natural wind, and the battery pack may still have a risk of spontaneous combustion due to overheating.

Disclosure of Invention

The utility model aims to provide a new energy electric automobile tray, which solves the problem that natural wind cannot effectively cool a battery pack, and reduces the risk of spontaneous combustion of the battery pack.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a new energy electric vehicle tray, comprising: the solar cell tray comprises a tray body with four side walls, wherein a battery pack is arranged in the tray body, a through groove which is penetrated up and down is formed in an area which is positioned right below the battery pack on a 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, and the upper surface of the heat absorbing plate which is flush with the upper surface of the bottom plate of the tray body is contacted with the lower surface of the battery pack;

the heat-absorbing plate comprises a heat-absorbing plate body, a plurality of vertically arranged fins are arranged between the heat-absorbing plate and the heat-absorbing plate at intervals, the upper end face and the lower end face of each fin are in contact with the lower surface of the heat-absorbing plate and the upper surface of the heat-absorbing plate, a shell is arranged on the lower surface of the tray body and located on the outer side of the periphery of the through groove, and at least two cooling fans are arranged in the shell and located under the heat-absorbing plate.

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

1. in the scheme, a plurality of heat dissipation holes are formed in the side wall of the shell.

2. In the above scheme, the strip-shaped radiating holes are formed in two opposite side walls of the shell.

3. In the above scheme, a worm is rotatably arranged between the other two opposite side walls of the shell, at least two worm gears meshed with the worm are mounted on the inner wall of the bottom plate of the shell at intervals through a rotating shaft, and the fan blades of the cooling fan are connected with the upper end of the rotating shaft.

4. In the above scheme, one end of the worm is connected with a motor arranged in the shell, and the other end of the worm is rotationally connected with the inner side wall of the shell.

5. In the scheme, the lower end of the rotating shaft fixedly sleeved with the worm is rotationally connected with the inner wall of the bottom plate of the shell.

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

the utility model relates to a new energy electric automobile tray, which is characterized in that a through groove which is vertically penetrated is formed in a region which is positioned right below a battery pack on a bottom plate of a tray body, a heat absorbing plate and a heat radiating plate which are horizontally arranged are arranged in the through groove, the upper surface of the heat absorbing plate which is flush with the upper surface of the bottom plate of the tray body is contacted with the lower surface of the battery pack, a plurality of fins which are vertically arranged are arranged between the heat radiating plate and the heat absorbing plate which are arranged right below the heat absorbing plate at intervals, 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, a shell is arranged on the lower surface of the tray body and positioned at the outer side of the periphery of the through groove, and at least two heat radiating fans are arranged in the shell and positioned right below the heat radiating plate; the heat generated in the working process of the battery pack is actively formed through the air flow of the cooling fan, and the heat is timely and actively discharged outwards through the heat absorbing plate, the fins and the cooling plate uniformly without being influenced by external environment, so that potential safety hazards caused by long-time working and heating of the battery pack are avoided.

Drawings

FIG. 1 is a schematic structural view of a new energy electric vehicle tray 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 diagram of the structure of the inside of the shell in the tray of the new energy electric vehicle;

fig. 4 is a schematic structural view of a housing in embodiment 2 of the present utility model.

In the above figures: 1. a tray body; 2. a battery pack; 3. a through groove; 41. a heat absorbing plate; 42. a heat dissipation plate; 6. a fin; 8. a housing; 81. a heat radiation hole; 82. a fixing plate; 9. a heat radiation fan; 10. a cooling sheet; 11. a worm; 12. a worm wheel; 121. a rotating shaft; 13. and a motor.

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 new energy electric vehicle tray, comprising: the solar cell tray comprises a tray body 1 with four side walls, wherein a cell pack 2 is arranged in the tray body 1, a through groove 3 which is penetrated up and down is formed in a region which is positioned right below the cell pack 2 on the bottom plate of the tray body 1, a heat absorbing plate 41 and a heat dissipating plate 42 which are horizontally arranged are arranged in the through groove 3, and the upper surface of the heat absorbing plate 41 which is flush with the upper surface of the bottom plate of the tray body 1 is contacted with the lower surface of the cell pack 2;

the heat dissipation plate 41 is arranged below the heat absorption plate 41 at intervals, a plurality of fins 6 are vertically arranged between the heat dissipation plate 42 and the heat absorption plate 41, the upper end face and the lower end face of each fin 6 are in contact with the lower surface of the heat absorption plate 41 and the upper surface of the heat dissipation plate 42, 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, at least two heat dissipation fans 9 are arranged in the shell 8 and positioned under the heat dissipation plate 42, and heat generated in the battery pack working process is actively formed through air flow by the heat dissipation fans, and is uniformly and outwards discharged through the heat absorption plate, the fins and the heat dissipation plate in time and actively without being influenced by external environments, so that potential safety hazards caused by long-time working and heating of the battery pack are avoided.

The side wall of the shell 8 is provided with a plurality of heat dissipation holes 81.

The strip-shaped heat dissipation holes 81 are formed on two opposite side walls of the housing 8.

A worm 11 is rotatably disposed between two other opposite side walls of the housing 8, at least two worm gears 12 engaged with the worm 11 are installed on an inner wall of a bottom plate of the housing 8 at intervals through a rotating shaft 121, and blades of the cooling fan 9 are connected with an upper end of the rotating shaft 121.

One end of the worm 11 is connected with a motor 13 arranged in the shell 8, and the other end of the worm 11 is rotatably connected with the inner side wall of the shell 8.

The lower end of the rotating shaft 121 fixedly sleeved with the worm 11 is rotatably connected with the inner wall of the bottom plate of the shell 8.

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

Example 2: a new energy electric vehicle tray, comprising: the solar cell tray comprises a tray body 1 with four side walls, wherein a cell pack 2 is arranged in the tray body 1, a through groove 3 which is penetrated up and down is formed in a region which is positioned right below the cell pack 2 on the bottom plate of the tray body 1, a heat absorbing plate 41 and a heat dissipating plate 42 which are horizontally arranged are arranged in the through groove 3, and the upper surface of the heat absorbing plate 41 which is flush with the upper surface of the bottom plate of the tray body 1 is contacted with the lower surface of the cell pack 2;

a plurality of vertically arranged fins 6 are arranged between the heat dissipation plate 42 and the heat absorption plate 41, which are arranged right below the heat absorption plate 41 at intervals, the upper end surface and the lower end surface of each fin 6 are contacted with the lower surface of the heat absorption plate 41 and the upper surface of the heat dissipation plate 42, 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 heat dissipation fans 9 are arranged in the shell 8 and positioned right below the heat dissipation plate 42.

A plurality of cooling fins 10 are installed in the housing 8 between the cooling fan 9 and the cooling plate 42.

A plurality of fixing plates 82 are respectively installed on two opposite outer sides of the housing 8.

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

When the new energy electric automobile tray is adopted, the heat generated in the battery pack working process is actively formed through the air flowing of the cooling fan, and the heat is timely and actively discharged outwards through the heat absorbing plate, the fins and the heat radiating plate uniformly without being influenced by external environment, so that potential safety hazards caused by long-time working and heating of the battery pack are avoided.

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 new energy electric vehicle tray, comprising: tray body (1) with lateral wall all around, install battery package (2), its characterized in that in tray body (1): a through groove (3) which is vertically penetrated is formed in the 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), and the upper surface of the heat absorbing plate (41) which is flush with the upper surface of the bottom plate of the tray body (1) is contacted with the lower surface of the battery pack (2);

the interval sets up in heat-absorbing plate (41) directly under heating panel (42) and heat-absorbing plate (41) between arrange a plurality of fin (6) of vertical setting, every the upper and lower terminal surface of fin (6) and the lower surface of heat-absorbing plate (41), the upper surface contact of heating panel (42), a casing (8) are installed on the lower surface of tray body (1) and lie in logical groove (3) all around outside, install two at least radiator fan (9) in casing (8) and lie in under heating panel (42).

2. The new energy electric automobile tray of claim 1, wherein: the side wall of the shell (8) is provided with a plurality of heat dissipation holes (81).

3. The new energy electric automobile tray of claim 2, wherein: the strip-shaped radiating holes (81) are formed in two opposite side walls of the shell (8).

4. The new energy electric automobile tray of claim 3, wherein: a worm (11) is rotatably arranged between the other two opposite side walls of the shell (8), at least two worm gears (12) which are respectively meshed with the worm (11) are installed on the inner wall of the bottom plate of the shell (8) at intervals through a rotating shaft (121), and the blades of the cooling fan (9) are connected with the upper end of the rotating shaft (121).

5. The new energy electric automobile tray of claim 4, wherein: one end of the worm (11) is connected with a motor (13) arranged in the shell (8), and the other end of the worm (11) is rotationally connected with the inner side wall of the shell (8).

6. The new energy electric automobile tray of claim 4, wherein: the lower end of the rotating shaft (121) fixedly sleeved with the worm (11) is rotatably connected with the inner wall of the bottom plate of the shell (8).