CN219203308U

CN219203308U - Rear section of heat insulation plate of power battery

Info

Publication number: CN219203308U
Application number: CN202320715080.3U
Authority: CN
Inventors: 王文韬; 杨宗琴; 邹景坤
Original assignee: Chongqing Punilangdun Technology Co ltd
Current assignee: Chongqing Punilangdun Technology Co ltd
Priority date: 2023-04-04
Filing date: 2023-04-04
Publication date: 2023-06-16
Anticipated expiration: 2033-04-04

Abstract

The utility model relates to the field of automobile accessories and discloses a rear section of a heat insulation plate of a power battery, which comprises a main body, wherein a groove is formed in the center of the upper end face of the main body, a second mounting groove is formed in the position, close to the center, of the front side wall of the main body, a second mounting hole is formed in the center of the side wall of the second mounting groove, the rear end of the second mounting hole penetrates through the front side wall of the main body and is communicated with the rear end, a first mounting groove is formed in the upper end face, close to one side of the second mounting groove, of the main body, a second mounting hole is formed in the center of the lower end face of the first mounting groove, the lower end of the second mounting hole penetrates through the upper end face of the main body and is communicated with the lower end of the main body, and a heat dissipation hole is formed in the position, close to the rear side, of the center of the side wall of the main body. According to the utility model, the heat dissipation holes are formed in the side wall of the main body, and meanwhile, the side wall of the main body is bent, so that a certain gap can be reserved when the battery is in contact with the heat dissipation holes, heat dissipation of the battery during use is facilitated, and the safety of the battery during use is ensured.

Description

Rear section of heat insulation plate of power battery

Technical Field

The utility model relates to the field of automobile accessories, in particular to a rear section of a heat insulation plate of a power battery.

Background

With the rapid development of electric vehicles, the safety problem of the power battery system of the electric vehicles restricts the rapid development of the electric vehicles. The safety accident of the power battery of the electric automobile is mainly characterized in that the thermal runaway of the battery module is spread, after the thermal runaway of the power battery monomer, high temperature can be rapidly transmitted to adjacent monomers, so that chain thermal runaway is spread, safety accidents such as fire explosion and the like are caused, the restraint of the thermal runaway heat of the power battery to spread to surrounding batteries is an important means for ensuring the life and property safety of passengers, and the existing solving means is to arrange a partition board outside the battery to solve the problem.

However, the existing heat insulation board for the battery still has some defects and places to be improved in the actual use process, although the existing heat insulation board isolates the heat of the battery from being conducted to the adjacent single bodies, the whole heat dissipation condition is not considered, the service life of the battery is easy to be affected if the heat is not dissipated for a long time, and the protection performance of the existing heat insulation board is low, so that a person skilled in the art provides a rear end of the heat insulation board for the power battery to solve the problems in the prior art.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides the rear section of the heat insulation plate of the power battery, wherein the heat radiation holes are formed in the side wall of the main body, and meanwhile, the side wall of the main body is bent, so that a certain gap can be reserved when the heat insulation plate is in contact with a battery, the heat radiation of the battery is convenient to use, the safety of the battery in use is ensured, and meanwhile, the main body is integrally formed, the integral use strength is improved, and damage during use is avoided.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the rear section of the heat insulation plate of the power battery comprises a main body, wherein a groove is formed in the center of the upper end face of the main body, a second mounting groove is formed in the position, close to the center, of the front side wall of the main body, a second mounting hole is formed in the center of the side wall of the second mounting groove, the rear end of the second mounting hole penetrates through the front side wall of the main body and is communicated with the rear end, a first mounting groove is formed in the upper end face, close to one side of the second mounting groove, of the main body, a second mounting hole is formed in the center of the lower end face of the first mounting groove, the lower end of the second mounting hole penetrates through the upper end face of the main body and is communicated with the lower end, and a heat dissipation hole is formed in the position, close to the rear side, of the center of the side wall of the main body;

through above-mentioned technical scheme, through set up the louvre on the lateral wall of main part, set up the lateral wall of main part into the form of buckling simultaneously for can leave certain clearance when contacting with the battery, the heat dissipation of battery when convenient to use ensures the security when the battery uses, sets up the main part as integrated into one piece simultaneously, increases holistic intensity of use, produces the damage when avoiding using.

Further, the first mounting groove and the second mounting groove are identical in shape, and the side walls are arc-shaped;

through above-mentioned technical scheme, be convenient for install the main part in the battery compartment.

Further, the edges of the side wall of the main body are all processed by flanging;

through above-mentioned technical scheme, stability when the battery installation can be better guaranteed in the turn-ups processing.

Further, the main body is made of aluminum;

through the technical scheme, the aluminum is light in material and has good heat dissipation and strength.

Further, the aperture of the second mounting hole is larger than that of the first mounting hole;

through above-mentioned technical scheme, be convenient for carry out horizontal fixed and vertical fixed to it.

Further, the upper end surface of the main body is bent at the front side;

through above-mentioned technical scheme, laminating that can be better is on the lateral wall of main part.

Further, the thickness of the main body is 3-10mm;

by the technical scheme, the weight is reduced, and meanwhile, the strength is not reduced.

Further, the heat dissipation holes on the side wall of the main body are punched holes.

Through above-mentioned technical scheme, integrated into one piece intensity is high, is convenient for processing simultaneously.

The utility model has the following beneficial effects:

1. according to the utility model, the heat dissipation holes are formed in the side wall of the main body, and meanwhile, the side wall of the main body is bent, so that a certain gap can be reserved when the battery is in contact with the heat dissipation holes, heat dissipation of the battery during use is facilitated, and the safety of the battery during use is ensured.

2. According to the utility model, the main body is integrally formed, so that the overall use strength is increased, damage during use is avoided, and meanwhile, the thickness of the main body is set to be 3-10mm, so that the weight is reduced, and the use strength is not reduced.

Drawings

FIG. 1 is an isometric view of a rear section of a power cell insulating panel according to the present utility model;

FIG. 2 is an isometric view of a rear section of a power cell insulating panel according to the present utility model;

FIG. 3 is an isometric view of a rear section of a power cell insulating panel according to the present utility model from another perspective;

fig. 4 is a top view of a rear section of a heat shield for a power battery according to the present utility model.

Legend description:

1. a heat radiation hole; 2. a main body; 3. a first mounting groove; 4. a second mounting groove; 5. a first mounting hole; 6. a groove; 7. and a second mounting hole.

Detailed Description

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

Referring to fig. 1-4, one embodiment provided by the present utility model is: the utility model provides a power battery heat insulating board back end, including main part 2, the up end center department of main part 2 is provided with recess 6, the preceding lateral wall of main part 2 is provided with second mounting groove 4 near center department, the lateral wall center department of second mounting groove 4 is provided with second mounting hole 7, the rear end of second mounting hole 7 runs through the preceding lateral wall of main part 2 and leads to the rear end, be provided with first mounting groove 3 on the up end of main part 2 near second mounting groove 4 one side, the lower terminal surface center department of first mounting groove 3 is provided with second mounting hole 7, the lower extreme of second mounting hole 7 runs through the up end of main part 2 and leads to the lower extreme, a lateral wall center of main part 2 is provided with louvre 1 near rear side department, set up the lateral wall of main part 2 to the form of buckling simultaneously, make can leave certain clearance when contacting with the battery, the heat dissipation of battery when being convenient for use, the security when guaranteeing the battery use.

The shape of first mounting groove 3 is unanimous with the shape of second mounting groove 4, and the lateral wall is circular-arc, be convenient for install main part 2 in the battery compartment, the lateral wall edge of main part 2 all handles through the turn-ups, the stability when guaranteeing battery installation that turn-ups processing can be better, the material of main part 2 is aluminium, the material of aluminium is lighter, have good thermal diffusivity and intensity simultaneously, the aperture of second mounting hole 7 is greater than the aperture of first mounting hole 5, the up end of main part 2 is the bending type near front side department, the thickness of main part 2 is 3-10mm, still not reduce intensity when lightening weight, the louvre 1 on the main part 2 lateral wall is the punching press hole.

Working principle: the utility model relates to a rear section of a heat insulating plate of a power battery, which is characterized in that a heat radiating hole 1 is formed in the side wall of a main body 2, and meanwhile, the side wall of the main body 2 is bent, so that a certain gap can be reserved when the heat insulating plate is in contact with the battery, the heat radiation of the battery is convenient to use, the safety of the battery in use is ensured, and meanwhile, the main body 2 is integrally formed, the integral use strength is increased, and the damage during use is avoided.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a power battery heat insulating board back end, includes main part (2), its characterized in that: the novel heat exchanger is characterized in that a groove (6) is formed in the center of the upper end face of the main body (2), a second mounting groove (4) is formed in the front side wall of the main body (2) near the center, a second mounting hole (7) is formed in the center of the side wall of the second mounting groove (4), the rear end of the second mounting hole (7) penetrates through the front side wall of the main body (2) and is communicated with the rear end, a first mounting groove (3) is formed in the upper end face of the main body (2) near one side of the second mounting groove (4), a second mounting hole (7) is formed in the center of the lower end face of the first mounting groove (3), the lower end of the second mounting hole (7) penetrates through the upper end face of the main body (2) and is communicated with the lower end, and a heat dissipation hole (1) is formed in the rear side near the center of the side wall of the main body (2).

2. The rear section of the heat insulating plate for the power battery according to claim 1, wherein: the first mounting groove (3) and the second mounting groove (4) are identical in shape, and the side walls are all arc-shaped.

3. The rear section of the heat insulating plate for the power battery according to claim 1, wherein: the edges of the side wall of the main body (2) are all processed by flanging.

4. The rear section of the heat insulating plate for the power battery according to claim 1, wherein: the main body (2) is made of aluminum.

5. The rear section of the heat insulating plate for the power battery according to claim 1, wherein: the aperture of the second mounting hole (7) is larger than that of the first mounting hole (5).

6. The rear section of the heat insulating plate for the power battery according to claim 1, wherein: the upper end face of the main body (2) is bent near the front side.

7. The rear section of the heat insulating plate for the power battery according to claim 1, wherein: the thickness of the main body (2) is 3-10mm.

8. The rear section of the heat insulating plate for the power battery according to claim 1, wherein: the radiating holes (1) on the side wall of the main body (2) are punching holes.