CN210092291U - Battery module and heat dissipation assembly thereof - Google Patents

Abstract

The utility model discloses a heat dissipation assembly. The heat dissipation assembly is applied to a battery module. The battery module includes a mounting shell and a battery core arranged in the mounting shell. The mounting shell is provided with heat dissipation holes. A mounting seat on the group, a turbo fan arranged on the mounting seat; the turbo fan includes a cylindrical air cavity, an air outlet channel extending outward in a tangential direction from the arc-shaped side surface of the air cavity, a turbo fan, and a fan arranged in the air cavity. The air inlet on the circular bottom surface; the air inlet is a circular hole arranged on the circular bottom surface of the air cavity, and the eccentric arrangement of the air inlet and the air cavity makes the cross-sectional area of the channel formed by the outer periphery of the turbofan and the inner wall of the air cavity gradually increases; the turbofan is arranged in the air cavity and is arranged concentrically with the air inlet; the air inlet is butted with the heat dissipation hole of the battery module, and the turbo fan is arranged towards the battery core. The utility model solves the problems of poor heat dissipation of the battery module and great potential safety hazard.

Description

Battery module and its cooling component

technical field

The utility model relates to the field of batteries, in particular to a battery module and a heat dissipation assembly thereof.

Background technique

In the face of increasingly strict exhaust emission standards in China and around the world and the future energy crisis, major auto manufacturers are developing low-emission new energy technologies to adapt to this development trend. One of the areas of research and development.

For electric vehicles, a modular battery module is placed inside. Due to the limited space in the battery compartment, the battery module is installed in a relatively compact manner. The battery module emits a certain amount of heat after being powered and charged. No heat dissipation measures are taken inside the module, and the high temperature of the battery will affect its power supply performance, and even lead to battery damage or explosion, which greatly reduces the safety factor of the battery module and poses a greater safety hazard.

Utility model content

Based on this, it is necessary to provide a heat dissipation component for the problem that the existing battery module does not take heat dissipation measures and has a large safety hazard.

The utility model provides a heat dissipation assembly, which is applied to a battery module. The battery module includes a mounting shell and a battery cell arranged in the mounting shell. a mounting seat on the module and a turbo fan arranged on the mounting seat;

The turbo fan includes an air cavity, an air outlet channel, an air inlet and a turbo fan;

The air cavity is a hollow cylindrical shell;

The air outlet channel extends outward from the arcuate side surface of the casing in a tangential direction and communicates with the air cavity;

The air inlet is a circular hole arranged on the circular bottom surface of the air cavity, and the eccentric arrangement of the air inlet and the air cavity makes the cross-sectional area of the channel formed by the outer periphery of the turbofan and the inner wall of the air cavity gradually increases;

The turbofan is disposed in the air cavity and concentric with the air inlet, and the turbofan is disposed toward the battery core.

Preferably, the mounting seat comprises a first mounting plate arranged horizontally, a second mounting plate arranged vertically upward from one end of the first mounting plate, and vertically downwardly extending from the other end of the first mounting plate The third mounting plate is connected to the mounting shell, and the turbo fan is fixedly arranged on the second mounting plate.

Preferably, the air outlet channel of the turbo fan is arranged vertically upward.

Preferably, the heat dissipating assembly further comprises a square casing with an opening at one end, the square casing cover is provided on the turbo fan, and a side edge of the square casing is provided with a notch for accommodating the air outlet channel.

Preferably, the square shell is provided with a first through hole, the second mounting plate is provided with a second through hole corresponding to the first through hole, and the mounting shell is provided with a second through hole corresponding to the second through hole. The third through hole corresponding to the through hole, the first mounting plate, the second mounting plate and the mounting shell are configured to accommodate the groove body of the square shell, and the square shell, the second mounting plate and the mounting can pass through the first mounting plate. The through hole, the second through hole and the third through hole are fixedly connected with screws.

Preferably, two turbo fans are arranged side by side on the mounting base.

The utility model also provides a battery module, which includes the above-mentioned heat dissipation assembly.

The utility model is provided with a heat dissipation assembly including a mounting seat, a turbo fan and a square casing covered on the turbo fan, wherein the turbo fan comprises a cylindrical air cavity, a turbo fan arranged in the air cavity, and a The air outlet channel extending outward along the tangential direction of the arc-shaped side surface of the air cavity and the air inlet arranged on the circular bottom surface of the air cavity, the air inlet and the air cavity are eccentrically arranged, wherein the eccentrically arranged air inlet The tuyere gradually increases the cross-sectional area of the channel formed by the outer circumference of the turbofan and the inner wall of the air cavity, thereby further increasing the pressure difference between the air outlet channel and the interior of the air cavity, which can accelerate the flow of air and improve the heat dissipation effect.

Description of drawings

FIG. 1 is a schematic structural diagram of an embodiment of a heat dissipation assembly in the present invention;

FIG. 2 is a schematic structural diagram of the turbofan in the embodiment of FIG. 1 .

Detailed ways

The utility model proposes a heat dissipation assembly. Referring to FIG. 1 and FIG. 2 , the heat dissipation assembly is applied to a battery module. The battery module includes a mounting shell and a battery cell disposed in the mounting shell. The mounting seat 10 on the battery module, and the turbo fan 30 arranged on the mounting seat 10; the turbo fan 30 includes an air cavity 31, an air outlet channel 32, an air inlet 33 and a turbo fan; the air cavity 31 It is a hollow cylindrical shell; the air outlet channel 32 extends outward from the arc-shaped side of the shell in the tangential direction and communicates with the air cavity 31; the air inlet 33 is provided in the The circular hole on the circular bottom surface of the air cavity 31, the air inlet 33 and the air cavity 31 are eccentrically arranged so that the cross-sectional area of the channel formed by the outer circumference of the turbo fan and the inner wall of the air cavity 31 gradually increases; The air cavity 31 is arranged concentrically with the air inlet 33 ; the turbofan is arranged toward the battery core.

In this embodiment, the air inlet 33 and the turbo fan are disposed toward the battery cell, so that the hot air inside the battery cell is drawn into the air cavity 31 through the air inlet 33 and discharged from the air outlet channel 32 .

The present invention provides a heat dissipation assembly including a mounting seat 10 , a turbo fan 30 and a square casing 20 covering the turbo fan 30 , wherein the turbo fan 30 includes a cylindrical air cavity 31 , which is arranged in the air cavity 31 The turbo fan in the air cavity 31, the air outlet channel 32 extending outward in the tangential direction from the arc-shaped side surface of the air cavity 31, and the air inlet 33 arranged on the circular bottom surface of the air cavity 31, the air inlet 33 and the The air cavity 31 is eccentrically arranged, and the eccentrically arranged air inlet 33 gradually increases the cross-sectional area of the channel formed by the outer periphery of the turbofan and the inner wall of the air cavity 31, so that the pressure difference between the air outlet channel 32 and the interior of the air cavity 31 is further increased. If it is increased, it can speed up the flow of air and improve the heat dissipation effect.

Further, the mounting seat 10 includes a first mounting plate 11 arranged horizontally, a second mounting plate 12 extending vertically upward from one end of the first mounting plate 11 , and a vertical mounting plate 12 extending vertically from the other end of the first mounting plate 11 . The third mounting plate 13 extending straight downward is connected to the mounting shell, and the turbo fan 30 is fixedly arranged on the second mounting plate 12 .

Further, the air outlet channel 32 of the turbo fan 30 is arranged vertically upward. As the density of hot air is low, it will automatically rise. By setting the air outlet channel 32 vertically upward, the rising speed of the hot air is further accelerated, so as to take away more heat inside the battery module and speed up the convection of the hot and cold air. Improve cooling speed.

Further, the square casing 20 is open at one end, and the heat dissipation assembly further includes a square casing 20 with an opening at one end, the square casing 20 is covered on the turbo fan 30 , and the side of the square casing 20 is disposed. There is a gap for accommodating the air outlet channel. In this embodiment, the turbo fan 30 can be further restricted by arranging a gap corresponding to the air outlet channel 32 to prevent shaking during operation and avoid abnormal noise or noise.

Further, the square housing 20 is provided with a first through hole, the second mounting plate 12 is provided with a second through hole corresponding to the first through hole, and the mounting shell is provided with a second through hole corresponding to the first through hole. The third through hole corresponding to the second through hole, the first mounting plate 11, the second mounting plate 12 and the mounting shell are configured to accommodate the groove body of the square housing 20, the square housing 20, the second mounting plate 12 and the The mounting shell is fixedly connected by screws passing through the first through hole, the second through hole and the third through hole. In the present invention, by setting the first through hole, the second through hole and the third through hole, the square casing 20 and the turbo fan 30 are integrally fixed on the installation casing by bolts (screws), so as to further reduce the vibration generated by the turbo fan 30 during operation. abnormal sound.

Further, two turbo fans 30 are arranged side by side on the mounting base 10 . By arranging two turbo fans 30, the heat dissipation efficiency can be accelerated.

The utility model also provides a battery module, which includes the above-mentioned heat dissipation assembly.

The present invention provides a heat dissipation assembly including a mounting seat 10 , a turbo fan 30 and a square casing 20 covering the turbo fan 30 , wherein the turbo fan 30 includes a cylindrical air cavity 31 , which is arranged in the air cavity 31 The turbo fan in the air cavity 31, the air outlet channel 32 extending outward in the tangential direction from the arc-shaped side surface of the air cavity 31, and the air inlet 33 arranged on the circular bottom surface of the air cavity 31, the air inlet 33 and the The air cavity 31 is eccentrically arranged, and the air inlet 33 is connected to the heat dissipation hole of the battery module, wherein the eccentrically arranged air inlet 33 gradually increases the cross-sectional area of the channel formed by the outer periphery of the turbofan and the inner wall of the air cavity 31 . As a result, the wind pressure at the air outlet channel 32 is lower than the wind pressure inside the air cavity 31 , which can further accelerate the flow of air and improve the heat dissipation effect.

The technical features of the above embodiments can be combined arbitrarily. In order to make the description simple, all possible combinations of the technical features in the above embodiments are not described. However, as long as there is no contradiction in the combination of these technical features It is considered to be the range described in this specification. The above examples only represent several embodiments of the present invention, and the descriptions thereof are more specific and detailed, but should not be construed as a limitation on the scope of the patent of the present invention. It should be pointed out that for those of ordinary skill in the art, some modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent for this utility model shall be subject to the appended claims.

Claims (7)

1. A heat-dissipating assembly, applied on a battery module, the battery module comprising a mounting shell and a battery cell arranged in the mounting shell, wherein the heat-dissipating assembly comprises a battery module arranged in the battery module a mounting seat on the mounting seat and a turbo fan arranged on the mounting seat; The turbo fan includes an air cavity, an air outlet channel, an air inlet and a turbo fan; The air cavity is a hollow cylindrical shell; The air outlet channel extends outward from the arcuate side surface of the casing in a tangential direction and communicates with the air cavity; The air inlet is a circular hole arranged on the circular bottom surface of the air cavity, and the eccentric arrangement of the air inlet and the air cavity makes the cross-sectional area of the channel formed by the outer periphery of the turbofan and the inner wall of the air cavity gradually increases; The turbofan is disposed in the air cavity and concentric with the air inlet, and the turbofan is disposed toward the battery core. 2 . The heat dissipation assembly according to claim 1 , wherein the mounting seat comprises a first mounting plate arranged horizontally, a second mounting plate extending vertically upward from one end of the first mounting plate, and a second mounting plate extending vertically upward from one end of the first mounting plate. The other end of the first mounting plate extends vertically downward and is provided with a third mounting plate, the third mounting plate is connected with the mounting shell, and the turbo fan is fixedly arranged on the second mounting plate. 3 . The heat dissipation assembly according to claim 2 , wherein the air outlet channel of the turbo fan is arranged vertically upward. 4 . 4 . The heat dissipation assembly according to claim 2 , wherein the heat dissipation assembly further comprises a square casing with an opening at one end, the square casing is covered on the turbo fan, and a side of the square casing is disposed. 5 . There is a gap for accommodating the air outlet channel. 5 . The heat dissipation assembly according to claim 4 , wherein a first through hole is formed on the square housing, and a second through hole corresponding to the first through hole is formed on the second mounting plate. 6 . , the mounting shell is provided with a third through hole corresponding to the second through hole, the first mounting plate, the second mounting plate and the mounting shell are configured to accommodate the groove body of the square shell, the square shell , The second mounting plate and the mounting shell are fixedly connected by screws passing through the first through hole, the second through hole and the third through hole. 6 . The heat dissipation assembly according to claim 1 , wherein two turbo fans are arranged side by side on the mounting seat. 7 . 7 . A battery module, comprising the heat dissipation assembly according to any one of claims 1 to 6 . 8 .

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