CN215834588U

CN215834588U - New energy automobile battery liquid cooling system of high heat dissipation rate

Info

Publication number: CN215834588U
Application number: CN202121475746.XU
Authority: CN
Inventors: 王超; 陈丹
Original assignee: Jiangsu Tianjun Precision Technology Co ltd
Current assignee: Jiangsu Tianjun Precision Technology Co ltd
Priority date: 2021-06-30
Filing date: 2021-06-30
Publication date: 2022-02-15
Anticipated expiration: 2031-06-30

Abstract

The utility model discloses a new energy automobile battery liquid cooling system with high heat dissipation rate, which comprises a harmonica tube; the harmonica tube comprises a first clamping plate, a second clamping plate and a partition plate; the first partition plate and the second partition plate are distributed at intervals; the plurality of partition plates are clamped between the first clamping plate and the second clamping plate; the adjacent partition plates, the first clamping plate and the second clamping plate form a unit cavity together; a water inlet pipe and a water outlet pipe are respectively arranged at the two ends of the harmonica tube; the length directions of the water inlet pipe and the water outlet pipe are consistent with the arrangement direction of the partition plates; the water inlet pipe and the water outlet pipe are respectively communicated with the corresponding ends of the plurality of unit cavities; by utilizing the multi-channel heat exchange structure, more heat exchange areas can be fully covered, and meanwhile, the corresponding unit cavities can be blocked and repaired in a targeted manner when the local parts are damaged and broken, so that the large-scale leakage is avoided, and the large fault-tolerant capability is integrally brought to the liquid cooling system.

Description

New energy automobile battery liquid cooling system of high heat dissipation rate

Technical Field

The utility model belongs to the technical field of new energy batteries, and particularly relates to a liquid cooling system of a new energy automobile battery with high heat dissipation rate.

Background

The traditional liquid cooling system adopts the processes of stamping forming of an upper aluminum plate and a lower aluminum plate and brazing to produce, so that the problems of heavy weight, high stamping forming die cost, large deformation of the stamped aluminum plate and difficulty in meeting the requirements of the brazing process exist, and the control of the production cost and the promotion of the efficiency are seriously restricted. Therefore, the new energy automobile battery liquid cooling system with simple structure, easy preparation, high heat exchange efficiency and high heat dissipation rate is needed to be invented.

Disclosure of Invention

The purpose of the utility model is as follows: in order to overcome the defects in the prior art, the utility model provides the new energy automobile battery liquid cooling system which is simple in structure, easy to prepare, high in heat exchange efficiency and high in heat dissipation rate.

The technical scheme is as follows: in order to achieve the purpose, the battery liquid cooling system of the new energy automobile with high heat dissipation rate comprises a harmonica tube; the harmonica tube comprises a first clamping plate, a second clamping plate and a partition plate; the first partition plate and the second partition plate are distributed at intervals; a plurality of partition plates are clamped between the first clamping plate and the second clamping plate; the adjacent partition plates, the first clamping plate and the second clamping plate form a unit cavity together; a water inlet pipe and a water outlet pipe are respectively arranged at two ends of the harmonica tube; the length directions of the water inlet pipe and the water outlet pipe are consistent with the arrangement direction of the partition plates; the water inlet pipe and the water outlet pipe are respectively communicated with the corresponding ends of the unit cavities.

Further, the baffle extends into the interior of the inlet pipe; the extending lengths of the plurality of the partition plates are gradually increased along the water flow direction.

Further, the partition plate is connected with the first clamping plate and the second clamping plate through brazing.

Further, the harmonica tube is made of an aluminum alloy material.

Further, the surface of the harmonica tube is covered with a heat conducting pad.

Further, the device also comprises a flow regulator; the flow regulator comprises a hollow pipe; the hollow pipe is rotatably embedded in the water outlet pipe; a flow window is arranged on the side surface of the hollow pipe; the plurality of flow windows are distributed at intervals along the length direction of the hollow pipe; the flow window corresponds to the position of the unit cavity; the rotationally adjusted hollow pipe drives the flow window to synchronously rotate; the rotating flow window correspondingly adjusts the opening degree of the unit cavity.

Has the advantages that: the utility model discloses a high-heat-dissipation-rate battery liquid cooling system for a new energy automobile, which comprises a harmonica tube; the harmonica tube comprises a first clamping plate, a second clamping plate and a partition plate; the first partition plate and the second partition plate are distributed at intervals; a plurality of partition plates are clamped between the first clamping plate and the second clamping plate; the adjacent partition plates, the first clamping plate and the second clamping plate form a unit cavity together; a water inlet pipe and a water outlet pipe are respectively arranged at two ends of the harmonica tube; by utilizing the multi-channel heat exchange structure, more heat exchange areas can be fully covered, and meanwhile, when the local part is damaged and broken, the corresponding unit cavity can be blocked and repaired in a targeted manner, so that the large-scale leakage is avoided, and the large fault-tolerant capability is brought to the whole liquid cooling system; meanwhile, the partition plate extends into the water inlet pipe to form a drainage structure in a stepped arrangement, so that the flowing uniformity of the cooling medium can be further improved; in addition, through set up flow regulator in the outlet pipe, can correspond the flow of control inflow cooling medium in the outlet pipe to with the pump body cooperation of drive cooling medium, realize more meticulous cooling regulation.

Drawings

FIG. 1 is a schematic diagram of an overall liquid cooling system;

FIG. 2 is a schematic view of the internal structure of the water inlet pipe;

FIG. 3 is a schematic diagram of a cell cavity distribution;

FIG. 4 is a schematic view of a flow regulator;

FIG. 5 is a schematic view of a flow regulator assembly;

fig. 6 is a schematic diagram of the working principle of the flow regulator.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

As shown in fig. 1-3, a new energy automobile battery liquid cooling system with high heat dissipation rate comprises a harmonica tube 1; the harmonica tube 1 comprises a first clamping plate 11, a second clamping plate 12 and a partition plate 13; the first clamping plate 11 and the second clamping plate 12 are distributed at intervals; a plurality of the partition boards 13 are clamped between the first clamping board 11 and the second clamping board 12; the adjacent partition plates 13, the first clamping plate 11 and the second clamping plate 12 form a unit cavity 2 together; a water inlet pipe 3 and a water outlet pipe 4 are respectively arranged at two ends of the harmonica pipe 1; the length directions of the water inlet pipe 3 and the water outlet pipe 4 are consistent with the arrangement direction of the partition plate 13; the water inlet pipe 3 and the water outlet pipe 4 are respectively communicated with corresponding ends of the unit cavities 2;

the harmonica tube 1 can be used as a bottom plate or a side plate of a battery compartment; the multi-channel heat exchange structure can fully cover more heat exchange areas, and meanwhile, when the local damage and the breakage happen, the corresponding unit cavity can be blocked and repaired in a targeted manner, so that the large-scale leakage is avoided, and the large fault-tolerant capability is brought to the whole liquid cooling system; through the water inlet pipe 3 and the water outlet pipe 4 which are respectively arranged at the two ends, a plurality of unit cavities can be simultaneously utilized for heat exchange work; the harmonica tube 1 is simple in overall structure, free of complex structural parts, convenient to connect and beneficial to cost control.

As shown in fig. 2, both ends of the partition plate 13 extend into the interior of the water inlet pipe 3, respectively; the extension lengths of the plurality of partition plates 13 are gradually increased along the water flow direction;

after the cooling medium enters the water inlet pipe 3, the cooling medium flows along the arrangement direction of the unit cavities 2, the extending part of the partition plate 13 can play a role in blocking drainage, and the partition plate 13 which is farther from the inlet end of the water inlet pipe 3 extends for a longer time, so that a gradient type drainage structure can be formed, sufficient cooling medium flows in each unit cavity 2, and the integral cooling speed of the liquid cooling system is further improved.

The partition plate 13 is connected with the first clamping plate 11 and the second clamping plate 12 through brazing; for the scenes with small thickness and high structural precision requirement, the brazing can avoid the remarkable deformation of the base metal caused by fusion welding, thereby ensuring the smooth inner surface of the unit cavity, reducing the flow resistance and improving the flow speed of the cooling medium.

The harmonica tube 1 is made of an aluminum alloy material; the aluminum alloy material has good heat transfer performance on one hand, and the processing difficulty is small on the other hand, and the material cost is suitable, thereby being beneficial to controlling the overall equipment cost of the liquid cooling system.

The surface of the harmonica tube 1 is covered with a heat conducting pad; the heat conduction pad specifically can select materials such as heat conduction rubber for use to make, covers on the surface of mouth organ pipe 1, can utilize the deformability of self to provide certain atress buffering on the one hand, and on the other hand can overcome the problem that battery pack and mouth organ pipe 1 can't perfectly laminate, increases heat transfer area.

As shown in fig. 4-6, the liquid cooling system further includes a flow regulator 5; the flow regulator 5 comprises a hollow tube 51; the hollow pipe 51 is rotatably embedded in the water outlet pipe 4; a flow window 52 is arranged on the side surface of the hollow pipe 51; a plurality of the flow windows 52 are distributed at intervals along the length direction of the hollow pipe 51; the flow window 52 corresponds to the unit cavity 2 position; the hollow pipe 51 which is adjusted by rotation drives the flow window 52 to rotate synchronously; the rotating flow window 52 correspondingly adjusts the opening degree of the unit cavity 2;

when the flow regulator 5 works, as shown in fig. 6, the flow window 52 can correspondingly control the flow of the cooling medium flowing into the water outlet pipe 4 by changing the size of the overlapping area of the flow window and the unit cavity 2, so that the flow window can be matched with a pump body for driving the cooling medium to realize finer cooling regulation; in addition, the rotation of the hollow tube 51 can be realized by a knob extending to the outside of the water outlet pipe, which is not described in detail herein.

The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the utility model and these are intended to be within the scope of the utility model.

Claims

1. The utility model provides a new energy automobile battery liquid cooling system of high heat dissipation rate which characterized in that: comprises a harmonica tube (1); the harmonica tube (1) comprises a first clamping plate (11), a second clamping plate (12) and a partition plate (13); the first clamping plate (11) and the second clamping plate (12) are distributed at intervals; a plurality of partition plates (13) are clamped between the first clamping plate (11) and the second clamping plate (12); the adjacent partition plates (13) and the first clamping plate (11) and the second clamping plate (12) jointly form a unit cavity (2); a water inlet pipe (3) and a water outlet pipe (4) are respectively arranged at two ends of the harmonica pipe (1); the length directions of the water inlet pipe (3) and the water outlet pipe (4) are consistent with the arrangement direction of the partition plate (13); the water inlet pipe (3) and the water outlet pipe (4) are respectively communicated with the corresponding ends of the unit cavities (2).

2. The battery liquid cooling system of the new energy automobile with the high heat dissipation rate as recited in claim 1, wherein: the partition (13) extends into the interior of the water inlet pipe (3); the extension lengths of the plurality of partition plates (13) are gradually increased along the water flow direction.

3. The battery liquid cooling system of the new energy automobile with the high heat dissipation rate as recited in claim 1, wherein: the clapboard (13) is connected with the first clamping plate (11) and the second clamping plate (12) through brazing.

4. The battery liquid cooling system of the new energy automobile with the high heat dissipation rate as recited in claim 1, wherein: the harmonica tube (1) is made of an aluminum alloy material.

5. The battery liquid cooling system of the new energy automobile with the high heat dissipation rate as recited in claim 1, wherein: the surface of the harmonica tube (1) is covered with a heat conducting pad.

6. The battery liquid cooling system of the new energy automobile with the high heat dissipation rate as recited in claim 1, wherein: also comprises a flow regulator (5); the flow regulator (5) comprises a hollow pipe (51); the hollow pipe (51) is rotatably embedded in the water outlet pipe (4); a flow window (52) is arranged on the side surface of the hollow pipe (51); a plurality of flow windows (52) are distributed at intervals along the length direction of the hollow pipe (51); the flow window (52) corresponds to the position of the unit cavity (2); the hollow pipe (51) which is adjusted in a rotating mode drives the flow window (52) to rotate synchronously; the rotating flow window (52) correspondingly adjusts the opening degree of the unit cavity (2).