CN212517419U

CN212517419U - Protection heat abstractor of new energy automobile battery

Info

Publication number: CN212517419U
Application number: CN202021573838.7U
Authority: CN
Inventors: 刘成龙; 涂坚; 胡心彬; 张东桥; 龚雪丹
Original assignee: Jiangsu Jiuxiang Automobile Appliance Group Co ltd
Current assignee: Jiangsu Zhonglian Xiangbo New Energy Technology Co ltd
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2021-02-09
Anticipated expiration: 2030-07-31

Abstract

The utility model discloses a protective heat dissipation device for a new energy automobile battery, which is characterized by comprising a bottom plate, a protective shell covering the outside of the battery and a cooling device arranged inside the protective shell, wherein the protective shell is of a double-layer structure, and the inner layer of the protective shell is a fixed plate tightly attached to the surface of the battery; the cooling device comprises an air cooling device and an oil cooling device matched with the air cooling device. The utility model discloses a set up the cover at the outside protecting crust of battery and set up cooling device in the protecting crust, realized the protection to the battery on the one hand, reduce the unexpected damage of battery when avoiding bumping even, on the other hand has realized the cooling processing to the battery, prevents that the temperature of long-time during operation battery from rising produced potential safety hazard gradually.

Description

Protection heat abstractor of new energy automobile battery

Technical Field

The utility model relates to a protection heat abstractor of new energy automobile battery belongs to new energy automobile accessory technical field.

Background

With the popularization of environmental awareness, the development of new energy automobiles is better and better. Because of the advantages of high energy density, large capacity, no memory and the like of the lithium battery, the lithium battery is generally adopted as power for the new energy automobile at present. When using the car for a long time, the lithium cell can generate heat, then has great potential safety hazard when the lithium cell high temperature, and the temperature crosses lowly then can influence the performance of lithium cell. Meanwhile, the lithium battery is used as a power source of the automobile, and if the lithium battery is damaged by collision, the automobile cannot run, and only the lithium battery needs to be effectively protected.

SUMMERY OF THE UTILITY MODEL

Problem to above-mentioned prior art exists, the utility model provides a protection heat abstractor of new energy automobile battery through setting up the cover at the outside protecting crust of battery and set up cooling device in the protecting crust, has realized the protection to the battery on the one hand, reduces the unexpected damage of battery when avoiding bumping even, and on the other hand has realized the cooling treatment to the battery, prevents to appear the produced potential safety hazard of the temperature riseing gradually of long-time during operation battery.

In order to achieve the purpose, the protection heat dissipation device for the new energy automobile battery is characterized by comprising a bottom plate, a protection shell covering the outside of the battery and a cooling device arranged in the protection shell, wherein the protection shell is of a double-layer structure, and the inner layer of the protection shell is a fixing plate tightly attached to the surface of the battery; the cooling device comprises an air cooling device and an oil cooling device matched with the air cooling device; the air cooling device comprises a plurality of cooling plates and a plurality of fans, wherein the cooling plates are arranged between the inner layer and the outer layer of the protective shell and are vertical to the protective shell, the fans are arranged at one end of the protective shell, and inner cavities formed between every two adjacent cooling plates face the fans; the oil cooling device comprises a cooling pipeline which is S-shaped and is inserted in the inner cavity between the cooling plates and a circulating pump which is connected to the cooling pipeline and used for driving cooling oil in the cooling pipeline to flow.

Preferably, the cooling plate and the fixing plate are copper plates.

Preferably, one end of the protective shell is provided with a plurality of fan openings, and the fans are connected with the fan openings through bolts.

Preferably, a grid plate is arranged at one end of the protective shell, which is far away from the fan opening, and a line opening for inserting a battery connecting line is formed in the grid plate.

Preferably, the outer wall of the protective shell is provided with a plurality of reinforcing ribs.

Preferably, the protective shell and the bottom plate are connected through bolts.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the protective shell covering the outside of the battery and the cooling device arranged in the protective shell realize the protection of the battery, reduce or even avoid the accidental damage of the battery when collision happens on one hand, and realize the cooling treatment of the battery on the other hand, thereby preventing the potential safety hazard generated by the gradual rise of the temperature of the battery when the battery works for a long time; through setting up the air cooling device and the oil cooling device that contact closely for the fan is also cooling for cooling tube when taking away the heat on cooling plate and the fixed plate, and the heat on cooling plate and the fixed plate has further been absorbed again in the continuous circulation of cooling oil in the cooling tube, and the double-barrelled is together, has improved the radiating effect to the battery greatly, and compact structure arranges rationally simultaneously.

2. The fan is arranged on one side of the protective shell, the grid plate is arranged on the other side of the protective shell, so that heat brought by the fan through the inner cavity between the cooling plates can be rapidly discharged from the grid plate, and the cooling effect is good.

3. Through setting up cooling plate and fixed plate, can cool off the battery on the one hand, on the other hand makes the battery under the double-deck protection of fixed plate and protecting crust, has further strengthened the guard effect to the battery.

4. A plurality of strengthening ribs of establishing on the protecting crust can further strengthen the structural strength of protecting crust, and the security is higher.

Drawings

Fig. 1 is a rear view structure diagram of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a schematic structural view of the grid plate of the present invention removed;

FIG. 4 is a schematic view of the installation position of the fan according to the present invention;

fig. 5 is a schematic view of the internal structure of the present invention;

fig. 6 is a schematic view of the cooling pipeline structure of the present invention.

In the figure: 1. the protective shell comprises a protective shell 2, a bottom plate 3, a grid plate 4, a circuit port 5, a fan 6, reinforcing ribs 7, a cooling pipeline 8, a circulating pump 9, a fan port 10, a fixing plate 11 and a cooling plate.

Detailed Description

The technical solutions in the implementation of the present invention will be clear from the following description and accompanying drawings, and the described embodiments are only some embodiments, not all embodiments, of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1 to 6, the protection heat dissipation device for a new energy vehicle battery provided in the embodiment of the present invention is characterized in that the protection heat dissipation device comprises a bottom plate 2, a protection shell 1 covering the outside of the battery, and a cooling device arranged inside the protection shell 1, wherein the protection shell 1 has a double-layer structure, and an inner layer of the protection shell 1 is a fixing plate 10 tightly attached to the surface of the battery; the cooling device comprises an air cooling device and an oil cooling device matched with the air cooling device; the air cooling device comprises a plurality of cooling plates 11 which are arranged between the inner layer and the outer layer of the protective shell 1 and are vertical to the protective shell 1 and a plurality of fans 5 which are arranged at one end of the protective shell 1, and inner cavities formed between every two adjacent cooling plates 11 face the fans 5; the oil cooling device comprises a cooling pipeline 7 which is S-shaped and is inserted in an inner cavity between the cooling plates 11 and a circulating pump 8 which is connected to the cooling pipeline 7 and used for driving cooling oil in the cooling pipeline 7 to flow. As shown in fig. 5, an inner cavity is formed between two adjacent cooling plates 11, the air flow blown out by the fan 5 can run through the inner cavity, meanwhile, a cooling pipeline 7 tightly attached to the fixing plate 10 is further arranged in the inner cavity, the fan 5 cools the cooling pipeline 7 while taking away the heat on the cooling plates 11 and the fixing plate 10, the heat on the cooling plates 11 and the fixing plate 10 is further absorbed by the continuous circulation of cooling oil in the cooling pipeline 7, and the heat dissipation effect on the battery is greatly improved under the condition of double pipes, and meanwhile, the structure is compact and the arrangement is reasonable.

Preferably, the cooling plate 11 and the fixing plate 10 are copper plates. Copper has good heat-conducting property, absorbs heat quickly, and is more beneficial to cooling and heat dissipation.

Preferably, one end of the protective shell 1 is provided with a plurality of fan openings 9, and the fan 5 is connected with the fan openings 9 through bolts. The air flow blown by the fan 5 directly enters from the fan opening 9 and then is diffused into the inner cavity between the cooling plates 11, so that the cooling is carried out comprehensively.

Preferably, a grid plate 3 is arranged at one end of the protective shell 1 away from the fan opening 9, and a line opening 4 for inserting a battery connecting line is formed in the grid plate 3. The air flow blown out by the fan 5 can penetrate through the inner cavity formed between the cooling plates 11 and is discharged from the grid plate 3, the heat dissipation is fast, and the reserved line port 4 is convenient for arranging the wires of the batteries.

Preferably, the outer wall of the protective shell 1 is provided with a plurality of reinforcing ribs 6. A plurality of strengthening ribs 6 that add on protective housing 1 and establish can further strengthen protective housing 1's structural strength, and the security is higher.

Preferably, the protective shell 1 and the bottom plate 2 are connected through bolts. The threaded connection is simple and convenient.

When in use: fan 5 insufflates the strong wind from the one end of protective housing 1, wind runs through and discharges from the grid plate of the other end from the inner chamber that forms between cooling plate 11, a plurality of cooling plate 11 greatly increased the area of contact of air current of arranging, the radiating effect is good, the continuous circulation flow of coolant oil in the cooling tube 7 of arranging between cooling plate 11, take away the heat on fixed plate 10 and the cooling plate 11, for the battery cooling, fan 5 also can be for cooling tube 7 cooling simultaneously, whole cooling device compact structure, the relation is close, mutually support, the radiating effect is greatly improved, protective housing 1 and fixed plate 10 and cooling plate 11 constitute the multilayer protection to the battery simultaneously, fabulous protection the battery, it is safer to use the coolant oil rather than the cooling water.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the embodiments may be appropriately combined to form other embodiments understood by those skilled in the art.

Claims

1. The protection and heat dissipation device for the new energy automobile battery is characterized by comprising a bottom plate (2), a protective shell (1) covering the outside of the battery and a cooling device arranged in the protective shell (1), wherein the protective shell (1) is of a double-layer structure, and the inner layer of the protective shell (1) is a fixing plate (10) tightly attached to the surface of the battery; the cooling device comprises an air cooling device and an oil cooling device matched with the air cooling device; the air cooling device comprises a plurality of cooling plates (11) which are arranged between the inner layer and the outer layer of the protective shell (1) and are vertical to the protective shell (1) and a plurality of fans (5) which are arranged at one end of the protective shell (1), and inner cavities formed between every two adjacent cooling plates (11) face the fans (5); the oil cooling device comprises a cooling pipeline (7) which is S-shaped and is inserted in an inner cavity between the cooling plates (11) and a circulating pump (8) which is connected to the cooling pipeline (7) and used for driving cooling oil in the cooling pipeline (7) to flow.

2. The device for protecting and dissipating heat of a new energy automobile battery according to claim 1, wherein the cooling plate (11) and the fixing plate (10) are copper plates.

3. The protection and heat dissipation device for the new energy automobile battery according to claim 1, wherein one end of the protection shell (1) is provided with a plurality of fan openings (9), and the fan (5) is connected with the fan openings (9) through bolts.

4. The protection and heat dissipation device for the new energy automobile battery according to claim 3, wherein a grid plate (3) is arranged at one end of the protection shell (1) away from the fan opening (9), and a line opening (4) for inserting a battery connection line is formed in the grid plate (3).

5. The protection and heat dissipation device for the new energy automobile battery according to claim 1, wherein a plurality of reinforcing ribs (6) are arranged on the outer wall of the protection shell (1).

6. The device for protecting and dissipating heat of a new energy automobile battery according to claim 1, wherein the protective shell (1) and the bottom plate (2) are connected through bolts.