CN213340523U

CN213340523U - New energy automobile battery thermal management system

Info

Publication number: CN213340523U
Application number: CN202022238695.0U
Authority: CN
Inventors: 庄双勇
Original assignee: Hefei Zhimin Thermal Control Technology Co ltd
Current assignee: Hefei Zhimin Thermal Control Technology Co ltd
Priority date: 2020-10-10
Filing date: 2020-10-10
Publication date: 2021-06-01
Anticipated expiration: 2030-10-10

Abstract

The utility model provides a new energy automobile battery thermal management system, including air intake and air outlet, air intake and air outlet are the cylinder tubular structure, and two wind gaps all pass the closing plate installation, and the bottom of wind gap is installed with air inlet storehouse and play wind storehouse respectively through linking pipe, and the air intake communicates air inlet storehouse and air-supply line, and the air outlet communicates out the wind storehouse with go out the tuber pipe, and the bottom of linking pipe is fixed mounting respectively has air inlet storehouse and play wind storehouse, links up the pipe and communicates air inlet storehouse or play wind storehouse with two wind gaps respectively; the utility model discloses can make wind gap post free rotation can also be fixed with the hookup location of its bottom simultaneously to produce the pretightning force, such structure is not only simple and convenient, reduces the use of spring, and sealed effectual, single spare part dismantles conveniently, is convenient for maintain.

Description

New energy automobile battery thermal management system

Technical Field

The utility model relates to a heat management technical field of new energy automobile battery especially relates to.

Background

The battery is used as a core component of a new energy automobile, has severe requirements on working environment, has overhigh or overlow temperature, and has great influence on the working efficiency and the service life of the battery. When the ambient temperature is too low, the chemical reaction speed in the battery is limited, the internal resistance of the battery is high, the discharge power is low, and the battery cannot be charged normally; in the process of normal discharge of the battery, a large amount of heat is generated due to chemical reaction in the battery, particularly, in the process of rapid charge and discharge, the heat generated near the battery tab is more, if the generated heat cannot be rapidly dissipated, great influence is generated on the use safety and the service life of the battery, and safety problems such as battery bulge, fire, explosion and the like may be generated in severe cases. Therefore, the battery can work in a reasonable temperature range, and the method has important significance on the use safety and the service life of the battery. The current heat dissipation method mainly comprises the following steps: the air cooling method, the liquid cooling method, the phase-change material cooling method, the heat pipe cooling method and the like, wherein the air cooling method has a simple structure and is convenient to maintain, but has poor cooling effect under the conditions of high-temperature environment and continuous large load.

What this company adopted at present is that publication number is CN208385583U, and the patent name is a thermal management system of new energy automobile battery, and this system has sealed not tight in the in-service use, installs the problem of dismantling the difficulty after installing the sealing member additional, consequently, need improve the connection structure of wind gap and tuber pipe to it is to make its simple to operate and have higher leakproofness the utility model discloses the technical problem that needs to solve.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an overcome above-mentioned problem or solve a new energy automobile battery thermal management system of above-mentioned problem at least partially to it is inconvenient with the tuber pipe installation maintenance to solve the wind gap, the not strong problem of leakproofness.

In order to achieve the above object, the technical solution of the present invention is specifically realized as follows:

the utility model provides a new energy automobile battery thermal management system, including air intake and air outlet, air intake and air outlet are the cylinder tubular structure, and two wind gaps all pass the closing plate installation, and the bottom in wind gap is through linking up the pipe respectively with the air inlet storehouse with go out the storehouse installation, air intake intercommunication air inlet storehouse and air-supply line, air outlet intercommunication go out the storehouse and go out the tuber pipe, the bottom of linking up the pipe respectively fixed mounting have the air inlet storehouse with go out the storehouse, link up the pipe with the air inlet storehouse or go out the storehouse respectively with two wind gaps intercommunication.

As a further scheme of the utility model, the one end of air intake and air outlet is provided with the screw thread post, and the internal screw thread fit installation on external screw thread post and the air-supply line or the play tuber pipe, the other end of air intake and air outlet is provided with the limiting plate, and the limiting plate top has the rubber pad of cup jointing in the wind gap.

As a further scheme of the utility model, the diameter of limiting plate is greater than the diameter of rubber pad, and the diameter of rubber pad is greater than wind gap outer diameter.

As a further aspect of the present invention, one side of the linking tube is provided with a baffle, and a movable cavity for the movement of the limiting plate is provided below the baffle.

As a further scheme of the utility model, the diameter in activity chamber is greater than the diameter of limiting plate, and the through-hole diameter on the baffle is less than the diameter of limiting plate and rubber pad, and the through-hole on the baffle is greater than air intake and air outlet external diameter.

The utility model provides a new energy automobile battery thermal management system, beneficial effect lies in: the utility model discloses a change to air intake and air outlet structure, when making air intake and air outlet install on the air-supply line with go out the tuber pipe, the combined action through rubber pad and tuber pipe compresses tightly wind gap cylinder end, during the installation, the closing plate will link up the pipe position and prescribe a limit to, the screw thread post is screwed and is made the rubber pad compression, this kind of installation can make wind gap post free rotation can also be fixed with the hookup location of its bottom simultaneously, thereby produce the pretightning force, such structure is simple and convenient not only, reduce the use of spring, and sealed effectual, single spare part dismantles conveniently, and convenient maintenance.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is the utility model discloses wind gap mounting structure sketch map that the embodiment provided.

Fig. 2 is a schematic view of a cross-sectional mounting structure of a connecting pipe provided in an embodiment of the present invention.

Fig. 3 is a schematic view of the overall structure provided by the embodiment of the present invention.

Fig. 4 is a schematic cross-sectional structural view provided by the embodiment of the present invention.

In the figure: 1. a controller; 2. a heater; 3. a cooling device; 4. a gas circuit; 5. a temperature sensor; 6. a box body; 7. an air inlet pipe; 8. an air outlet pipe; 9. a heat exchanger; 10. a heat exchange cavity; 11. a battery cell; 12. a positive electrode tab; 13. an air inlet; 14. an air outlet; 15. an air inlet bin; 16. an air outlet bin; 17. a sealing plate; 18. a phase change material; 19. a negative electrode tab; 20. connecting the pipe; 21. a movable cavity; 22. a limiting plate; 23. a rubber pad; 24. a baffle plate; 25. a threaded post.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

Referring to fig. 1-4, the embodiment of the present invention provides a new energy automobile battery thermal management system, including air intake 13 and air outlet 14, air intake 13 and air outlet 14 are cylindrical tubular structures, two air outlets all pass through sealing plate 17 and install, the bottom of air outlet is installed with air intake bin 15 and air outlet bin 16 respectively through linking pipe 20, air intake 13 communicates air intake bin 15 and air-supply line 7, air outlet 14 communicates air outlet bin 16 and air outlet pipe 8, the bottom of linking pipe 20 is fixed mounting respectively has air intake bin 15 and air outlet bin 16, linking pipe 20 communicates air intake bin 15 or air outlet bin 16 with two air outlets respectively.

Preferably, one end of the air inlet 13 and one end of the air outlet 14 are provided with threaded columns 25, external threads on the threaded columns 25 are matched and installed with internal threads on the air inlet pipe 7 or the air outlet pipe 8, the other end of the air inlet 13 and the other end of the air outlet 14 are provided with limiting plates 22, rubber pads 23 sleeved on the air inlet are arranged above the limiting plates 22, and the air inlet can be in close contact with the connecting pipe 20 when the air inlet is screwed by the rubber pads 23, so that a sealing effect is achieved.

Preferably, the diameter of the limiting plate 22 is larger than that of the rubber pad 23, and the diameter of the rubber pad 23 is larger than the outer diameter of the air opening.

Preferably, a baffle plate 24 is arranged on one side of the connecting pipe 20, a movable cavity 21 for limiting the movement of the plate 22 is arranged below the baffle plate 24, and the connecting pipe 20 can be used for installing the air inlet 13 and the air outlet 14 and has a certain limiting effect.

Preferably, the diameter of the movable cavity 21 is larger than that of the limiting plate 22, the diameter of the through hole on the baffle plate 24 is smaller than that of the limiting plate 22 and the rubber pad 23, and the through hole on the baffle plate 24 is larger than the outer diameters of the air inlet 13 and the air outlet 14.

Preferably, a heat exchange cavity 10 is vertically arranged in parallel in the box body 6, a heat exchanger 9 is installed in the heat exchange cavity 10, the heat exchange cavity 10 and the heat exchanger 9 are made of metal materials, a phase change material 18 is filled in a gap between the heat exchanger 9 and the heat exchange cavity 10, a heat exchange structure of the heat exchanger 9 is in a fishbone shape, the top of the heat exchanger 9 comprises a sealing plate 17, the size of the sealing plate 17 is the same as the inner diameter of the heat exchange cavity 10, the sealing plate 17 can seal the phase change material 18 in the heat exchange cavity 10, two ends of the heat exchanger 9 comprise an air inlet bin 15 and an air outlet bin 16, the air inlet bin 15 and the air outlet bin 16 are in square structures, a square battery cell 11 is arranged between the heat exchange cavities 10, a positive electrode tab 12 and a negative electrode tab 19 are arranged on the battery cell 11, the temperature sensor 5 is positioned between the negative electrode tab 19 and the positive electrode, the controller 1 is respectively electrically connected with the heater 2, the cooling device 3 and the temperature sensor 5, and the heater 2, the cooling device 3 and the air inlet pipe 7 are connected through the air passage 4.

The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. The utility model provides a new energy automobile battery thermal management system, its characterized in that, including air intake (13) and air outlet (14), air intake (13) and air outlet (14) are the cylinder tubular structure, and two wind gaps all pass sealing plate (17) installation, and the bottom of wind gap is through linking up pipe (20) and is installed with air inlet bin (15) and play wind storehouse (16) respectively, and air intake (13) intercommunication air inlet bin (15) and air-supply line (7), and air outlet (14) intercommunication goes out wind storehouse (16) and goes out wind pipe (8), and the bottom of linking up pipe (20) is fixed mounting respectively has air inlet bin (15) and goes out wind storehouse (16), links up pipe (20) with air inlet bin (15) or play wind storehouse (16) respectively with two wind gaps intercommunication.

2. The new energy automobile battery thermal management system according to claim 1, wherein one end of the air inlet (13) and one end of the air outlet (14) are provided with threaded columns (25), external threads on the threaded columns (25) are matched and installed with internal threads on the air inlet pipe (7) or the air outlet pipe (8), a limiting plate (22) is arranged at the other end of the air inlet (13) and the other end of the air outlet (14), and a rubber pad (23) sleeved on the air inlet is arranged above the limiting plate (22).

3. The new energy automobile battery thermal management system according to claim 2, wherein the diameter of the limiting plate (22) is larger than that of the rubber pad (23), and the diameter of the rubber pad (23) is larger than that of the air opening.

4. The new energy automobile battery thermal management system according to claim 3, characterized in that a baffle (24) is arranged on one side of the connecting pipe (20), and a movable cavity (21) for limiting the movement of the plate (22) is arranged below the baffle (24).

5. The new energy automobile battery thermal management system according to claim 4, wherein the diameter of the movable cavity (21) is larger than that of the limiting plate (22), the diameter of the through hole in the baffle (24) is smaller than that of the limiting plate (22) and the rubber pad (23), and the diameter of the through hole in the baffle (24) is larger than the outer diameters of the air inlet (13) and the air outlet (14).