CN108448017B - Control method of battery box of electric vehicle - Google Patents
Control method of battery box of electric vehicle Download PDFInfo
- Publication number
- CN108448017B CN108448017B CN201810075761.1A CN201810075761A CN108448017B CN 108448017 B CN108448017 B CN 108448017B CN 201810075761 A CN201810075761 A CN 201810075761A CN 108448017 B CN108448017 B CN 108448017B
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- Prior art keywords
- cooling
- battery box
- battery
- main body
- box
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- Expired - Fee Related
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000001816 cooling Methods 0.000 claims abstract description 134
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 44
- 230000017525 heat dissipation Effects 0.000 claims abstract description 24
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 16
- 230000000694 effects Effects 0.000 claims abstract description 9
- 238000009423 ventilation Methods 0.000 claims description 7
- 239000000428 dust Substances 0.000 claims description 6
- 239000000498 cooling water Substances 0.000 claims description 3
- 239000011159 matrix material Substances 0.000 claims description 2
- 230000000712 assembly Effects 0.000 claims 1
- 238000000429 assembly Methods 0.000 claims 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 4
- 229910001416 lithium ion Inorganic materials 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/63—Control systems
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Automation & Control Theory (AREA)
- Battery Mounting, Suspending (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a control method of an electric automobile battery box, which comprises a battery pack, a water cooling assembly, a high-thermal-conductivity aluminum plate, a heat pipe radiator, a battery box body (comprising a battery box main body and a cooling box body), a control box, a wiring port, a cooling fan, a thermocouple and the like. The battery box body is composed of a cooling box body and a battery box main body, and is connected through a connecting angle plate by using bolts. The cooling box body is provided with a cooling fan, a guide pulley and a positioning lock catch. The heat pipe radiator is fixed on the high heat conduction aluminum plate. The battery pack, the water cooling assembly and the thermocouple are arranged in the battery box main body. The control box and the wiring port are positioned on one side of the battery box main body, the windward side of the battery box main body is of a shutter structure and is provided with an air filter plate, and the other side of the battery box main body is provided with a cooling fan. The battery box cools the battery pack through natural air cooling, water cooling and heat pipe heat dissipation under the general condition, and if the temperature controller monitors that the temperature of the battery pack exceeds an optimal threshold value, the cooling fan at an air outlet of the main body of the battery box and the cooling fan at the cover plate of the water cooling box body can be controlled to be started, so that the cooling effect is enhanced.
Description
Technical Field
The invention relates to a battery box, in particular to a control method of an electric vehicle battery box.
Background
The lithium ion battery becomes the leading power supply of the electric automobile and the hybrid electric automobile because of the advantages of low specific energy, specific power, low self-discharge, good cycle performance, environmental friendliness and the like. Pure electric vehicles powered by lithium ion batteries have become a hot point of international competition, and the mainstream automobile companies in the world will greatly promote electric vehicles based on lithium ion batteries in the next few years. However, when the lithium ion battery is used, a large amount of heat is generated, which may cause the temperature of the battery to rise and the temperature of each battery of the battery pack to be uneven, which may affect the service performance of the battery, and in a serious case, may even affect the service life and safety of the battery. At present, a fan suction type cooling structure is generally adopted for heat dissipation of a battery pack on a vehicle.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to solve the problems that the existing battery box body is poor in heat dissipation effect when a fan suction type cooling structure is adopted for heat dissipation, a heat dissipation fan consumes battery capacity, the effective utilization efficiency of a battery is reduced and the like, and provides a control method of a battery box of an electric automobile, wherein the battery box is designed into a battery box main body and a water-cooling box body which are separated by a high-heat-conduction aluminum plate; the cooling scheme of the battery box comprises natural air cooling, forced air cooling, water cooling and heat pipe heat dissipation.
The technical scheme is as follows: according to the control method of the battery box of the electric automobile, the cooling mode of the battery box comprises natural air cooling, forced air cooling, water cooling and heat pipe heat dissipation; the natural air cooling channel of the battery box is formed by a louver air inlet on the windward side of the battery box main body, a dust filter plate, a battery box main body space, a water cooling plate side ventilation groove and a battery box main body air outlet; the forced air cooling of the battery box is completed by a side radiating fan at an air outlet of the main body of the battery box; the water cooling and heat pipe radiating channel of the battery box is sequentially composed of a water cooling assembly, a high heat conduction aluminum plate, a heat pipe radiator, a cooling box body and a radiating fan at the top of a cover plate of the cooling box body; the battery box cools the battery pack through natural air cooling, water cooling and heat pipe heat dissipation under the general condition, and if the temperature controller monitors that the temperature of the battery pack exceeds an optimal threshold value, the side heat dissipation fan of an air outlet of a main body of the battery box and the top heat dissipation fan at a cover plate of the water cooling box body can be controlled to be started, so that the cooling effect is enhanced.
Furthermore, the battery box of the electric automobile comprises a battery box body, a battery pack, a water cooling assembly, a high-heat-conductivity aluminum plate, a heat pipe radiator, a control box, a wiring port, a radiating fan and a thermocouple, wherein the battery box body comprises a battery box main body and a cooling box body which are connected with each other, and the high-heat-conductivity aluminum plate is arranged between the battery box main body and the cooling box body; the battery box main body comprises a shell, a battery pack, a water cooling assembly and a thermocouple are arranged in the shell in a matrix manner, and a control box and a wiring port are arranged on the side part of the shell; the cooling box body comprises a main shell, and an air port and a cooling fan are arranged on the outer side of the main shell.
Further, the cooling box body is arranged on the upper portion of the battery box main body, and the battery box main body and the cooling box body are fixedly connected with each other through a connecting corner plate on the side portion.
Furthermore, the heat pipe radiator is arranged on the high-heat-conductivity aluminum plate and is arranged in the cooling box body.
Further, the water cooling component comprises a heat collection cavity and a plurality of water cooling plates which are connected with each other, each water cooling plate comprises two high heat conduction plates, a cooling water channel is machined on one side of each high heat conduction plate, and a ventilation groove is formed in one side of each high heat conduction plate.
Further, the water cooling plate is interposed between the battery packs.
Furthermore, a louver air inlet is formed in the windward side of the battery box main body, and a dust filter plate is arranged between the louver air inlet and the battery box main body shell; the other side is provided with an air outlet, and a cooling fan is arranged at the air outlet.
Furthermore, the control box is respectively electrically connected with the thermocouple and the cooling fan.
Furthermore, the windward side and the leeward side of the cooling box body are both provided with air ports, and the outer side of the cover plate is provided with a cooling fan.
Furthermore, guide pulleys are arranged on two sides of the cooling box body.
Furthermore, a positioning lock catch is arranged on one side of the cooling box body and used for fixing the battery box.
Has the advantages that: the battery box cools the battery pack through natural air cooling, water cooling and heat pipe heat dissipation under the general condition, and if the temperature controller monitors that the temperature of the battery pack exceeds an optimal threshold value, the cooling fan at an air outlet of a main body of the battery box and the cooling fan at a cover plate of a water-cooling box body can be controlled to be started, so that the cooling effect is enhanced; high heat conduction aluminum plate plays the heat conduction effect promptly, can separate battery box main part and cooling box again, plays dustproof, dampproofing effect, improves group battery security performance and life.
Drawings
FIG. 1 is a schematic view of the overall structure of a battery box according to the present invention;
FIG. 2 is a schematic structural diagram of a main body of a battery box according to the present invention;
FIG. 3 is a schematic view of the structure of the cooling box of the present invention;
FIG. 4 is a schematic view of a heat pipe heat sink arrangement of the present invention;
FIG. 5 is a schematic diagram of the water cooling and heat pipe heat dissipation of the present invention;
FIG. 6 is a schematic view of a water cooling assembly of the present invention;
fig. 7 is a schematic view of the water cooled plate flume of fig. 6.
Detailed Description
The technical solution of the present invention will be further described in detail with reference to the following specific examples.
As shown in fig. 1, fig. 2, fig. 3, and fig. 4, the battery box of an electric vehicle according to the present invention includes a battery pack 28, a water cooling assembly 29, a high thermal conductivity aluminum plate 3, a heat pipe radiator 4, a battery box (including a battery box main body 2 and a cooling box 1), a control box 26, a power interface 23, a heat dissipation fan (a side heat dissipation fan 5, a top heat dissipation fan 11), a thermocouple 21, and the like.
As shown in fig. 1, 2, 3 and 4, the battery case is composed of a cooling case 1 and a battery case main body 2, which are connected to each other by a lock bolt via a first connection gusset 12 and a second connection gusset 27; high heat conduction aluminum plate 3 arranges in between cooling box 1 and battery box main part 2, derives the heat in by the battery box main part to separate both, play dustproof, dampproofing effect, improve group battery security performance and life. As shown in fig. 4 and 5, the heat pipe radiator 4 is mounted on the aluminum plate 3 with high thermal conductivity and is disposed in the cooling box 1.
As shown in fig. 2, a battery pack 28, a water cooling unit 29, and a thermocouple 21 are disposed inside the battery case main body 2. The batteries in the battery pack 28 are transversely arranged, are adjacent to the water cooling plates in the water cooling assembly 29 in pairs and are arranged in a close fit manner, and the batteries are not in contact with each other, so that the ventilation is ensured to be smooth. A louver air inlet 25 is arranged on the windward side of the battery box main body 2, a dust filter 24 is arranged between the louver air inlet 25 and the shell 22 of the battery box main body 2, an air outlet is arranged on the other side, and a side radiating fan 5 is arranged at the air outlet. The control box 26 is arranged on the outer side of the battery box main body 2, and the control box 26 is connected with the thermocouple 21 in the battery box main body and is connected with the cooling fans 5 and 11. The outer side of the battery box main body 2 is also provided with a power receiving port 23.
As shown in fig. 3, the cooling box 1 includes a housing 10, a top heat dissipation fan 11 is installed on the top of the outer side of the cover plate, and air ports 14 are provided on both the windward side and the leeward side of the cooling box to communicate the cooling box 1 with the external environment, so that the heat of the heat pipe radiator can be taken away by the air circulation. Guide pulleys 13 are arranged on two sides of the cooling box body 1, so that the battery box can be conveniently and rapidly mounted on a vehicle body; and one side of the cooling box body is provided with a positioning lock catch 15 for fixing the battery box.
As shown in fig. 6, the water cooling assembly 29 is composed of a water cooling plate 31 and a heat collecting cavity 30, and the water cooling plate 31 is composed of two high heat conducting plates, one side of which is provided with a cooling water channel (as shown in fig. 7) and the other side is provided with a ventilation groove.
The cooling mode of the battery box of the invention comprises natural air cooling, forced air cooling, water cooling and heat pipe heat dissipation. The natural air cooling channel of the battery box is formed by a louver air inlet 25 on the windward side of the battery box main body, a dust filter plate 24, a space of the battery box main body 2, a ventilation groove on the side surface of the water cooling plate and an air outlet of the battery box main body 2. The forced air cooling of the battery box is completed by a side heat radiation fan 5 at the air outlet of the battery box main body 2. The water cooling and heat pipe heat dissipation channel of the battery box is composed of a water cooling assembly 29, a high heat conduction aluminum plate 3, a heat pipe radiator 4, a cooling box body 1 and a cooling box body cover plate top heat dissipation fan 11 in sequence, as shown in fig. 5. The battery box generally cools the battery pack through natural air cooling, water cooling and heat pipe heat dissipation, and if the control box 26 monitors that the temperature of the battery pack 28 exceeds an optimal threshold value, the control box can control the lateral cooling fan 5 at the air outlet of the battery box main body and the top cooling fan 11 at the cover plate of the water cooling box body to be started, so that the cooling effect is enhanced.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (6)
1. A control method of an electric vehicle battery box is characterized in that: the cooling modes of the battery box comprise natural air cooling, forced air cooling, water cooling and heat pipe heat dissipation; the natural air cooling channel of the battery box is formed by a louver air inlet on the windward side of the battery box main body, a dust filter plate, a battery box main body space, a water cooling plate side ventilation groove and a battery box main body air outlet; the forced air cooling of the battery box is completed by a side radiating fan at an air outlet of the main body of the battery box; the water cooling and heat pipe radiating channel of the battery box is sequentially composed of a water cooling assembly, a high heat conduction aluminum plate, a heat pipe radiator, a cooling box body and a radiating fan at the top of a cover plate of the cooling box body; the battery box cools the battery pack through natural air cooling, water cooling and heat pipe heat dissipation under the general condition, if the temperature controller monitors that the temperature of the battery pack exceeds an optimal threshold value, a heat dissipation fan at the side part of an air outlet of a main body of the battery box and a heat dissipation fan at the top part of a cover plate of a water cooling box body can be controlled to be started, and the cooling effect is enhanced; the battery box of the electric automobile comprises a battery box body, a battery pack (28), a water cooling assembly (29), a high-thermal-conductivity aluminum plate (3), a heat pipe radiator (4), a control box (26), a power connection port (23), a radiating fan and a thermocouple (21), wherein the battery box body comprises a battery box main body (2) and a cooling box body (1) which are connected with each other, and the high-thermal-conductivity aluminum plate (3) is arranged between the battery box main body (2) and the cooling box body (1); the battery box main body (2) comprises a shell (22), battery packs (28), water-cooling assemblies (29) and thermocouples (21) which are arranged in a matrix manner are arranged in the shell (22), and a control box (26) and a power connection port (23) are arranged on the side of the shell (22); the cooling box body (1) comprises a main shell (10), and an air opening and a cooling fan are arranged on the outer side of the main shell (10); the water cooling component (29) comprises a heat collecting cavity (30) and a plurality of water cooling plates (31) which are connected with each other, wherein the water cooling plates (31) consist of two high heat conducting plates, a cooling water channel is processed on one side of each high heat conducting plate, and a ventilation groove is formed on one side of each high heat conducting plate; the heat pipe radiator (4) is arranged on the high-heat-conductivity aluminum plate (3) and is arranged in the cooling box body (1); the water-cooling plate (31) is interposed between the battery packs (28).
2. The control method of the battery box of the electric vehicle according to claim 1, characterized in that: the cooling box body (1) is arranged on the upper part of the battery box main body (2), and the battery box main body (2) and the cooling box body (1) are fixed through the connection angle plates on the side parts.
3. The control method of the battery box of the electric vehicle according to claim 1, characterized in that: a louver air inlet (25) is formed in the windward side of the battery box main body (2), and a dust filter plate (24) is arranged between the louver air inlet (25) and the shell of the battery box main body (2); the other side is provided with an air outlet, and a cooling fan is arranged at the air outlet.
4. The control method of the battery box of the electric vehicle according to claim 1, characterized in that: the control box (26) is respectively and electrically connected with the thermocouple (21) and the cooling fan.
5. The control method of the battery box of the electric vehicle according to claim 1, characterized in that: the windward side and the leeward side of the cooling box body (1) are both provided with air ports, and the outer side of the cover plate of the cooling box body is provided with a cooling fan.
6. The control method of the battery box of the electric vehicle according to claim 1, characterized in that: guide pulleys (13) are arranged on two sides of the cooling box body (1); and one side of the cooling box body (1) is provided with a positioning lock catch (15) for fixing the battery box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810075761.1A CN108448017B (en) | 2018-01-26 | 2018-01-26 | Control method of battery box of electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810075761.1A CN108448017B (en) | 2018-01-26 | 2018-01-26 | Control method of battery box of electric vehicle |
Publications (2)
| Publication Number | Publication Date |
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| CN108448017A CN108448017A (en) | 2018-08-24 |
| CN108448017B true CN108448017B (en) | 2021-08-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201810075761.1A Expired - Fee Related CN108448017B (en) | 2018-01-26 | 2018-01-26 | Control method of battery box of electric vehicle |
Country Status (1)
| Country | Link |
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| CN (1) | CN108448017B (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109378544B (en) * | 2018-09-19 | 2021-02-23 | 湖北雷迪特冷却系统股份有限公司 | Foldable battery water-cooling plate |
| CN109461989B (en) * | 2018-11-06 | 2021-09-14 | 标瑞新能源技术(重庆)有限公司 | New energy automobile battery package heat dissipation equipment |
| CN109755882A (en) * | 2018-12-21 | 2019-05-14 | 佛山市智锘机械有限公司 | A kind of dual dehumidification function high-frequency water-cooling oxidation power supply |
| CN110112500B (en) * | 2019-04-23 | 2021-08-03 | 江苏大学 | Battery module device and control method thereof |
| CN110085942A (en) * | 2019-05-17 | 2019-08-02 | 贵州大学 | A kind of circulating air cooling device for new energy car battery group |
| CN110406396B (en) * | 2019-07-15 | 2024-05-10 | 重庆电子工程职业学院 | Electric automobile chassis integrated with battery box |
| CN110370987B (en) * | 2019-07-15 | 2024-05-07 | 重庆电子工程职业学院 | Battery heat dissipation and cooling protection structure of electric automobile |
| CN110660944B (en) * | 2019-10-12 | 2023-06-20 | 华南理工大学 | Power battery pack heat dissipation device with heat pipe device and heat dissipation method thereof |
| CN112259886B (en) * | 2020-10-29 | 2022-08-30 | 交通运输部公路科学研究所 | Heat abstractor of new forms of energy freight train battery box |
| CN112582728A (en) * | 2020-12-03 | 2021-03-30 | 章春元 | Wind-liquid integrated thermal management battery system of electric motorcycle |
| CN115579553B (en) * | 2022-11-21 | 2023-04-11 | 安徽元横能源科技有限公司 | Electric energy conversion system of intelligent light storage micro-grid system |
| CN118315715B (en) * | 2024-04-26 | 2024-09-06 | 江苏致能杰能源科技有限公司 | Air-cooled energy storage container |
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| CN203416520U (en) * | 2013-07-09 | 2014-01-29 | 曾朝勇 | Controller water cooling and air cooling heat dissipation shell |
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| CN108448017A (en) | 2018-08-24 |
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