CN111823953A - Thermal management technology for power battery cooled by eddy current - Google Patents

Thermal management technology for power battery cooled by eddy current Download PDF

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Publication number
CN111823953A
CN111823953A CN202010677885.4A CN202010677885A CN111823953A CN 111823953 A CN111823953 A CN 111823953A CN 202010677885 A CN202010677885 A CN 202010677885A CN 111823953 A CN111823953 A CN 111823953A
Authority
CN
China
Prior art keywords
power battery
vortex
air
battery pack
cold
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010677885.4A
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Chinese (zh)
Inventor
杨涛
何若虚
谢长淮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Wanma New Energy Co ltd
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Zhejiang Wanma New Energy Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang Wanma New Energy Co ltd filed Critical Zhejiang Wanma New Energy Co ltd
Priority to CN202010677885.4A priority Critical patent/CN111823953A/en
Publication of CN111823953A publication Critical patent/CN111823953A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
    • B60L58/26—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by cooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • 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
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/63—Control systems
    • H01M10/635—Control systems based on ambient temperature
    • 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
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6551—Surfaces specially adapted for heat dissipation or radiation, e.g. fins or coatings
    • 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
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
    • H01M10/6557—Solid parts with flow channel passages or pipes for heat exchange arranged between the cells
    • 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
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6561—Gases
    • H01M10/6563—Gases with forced flow, e.g. by blowers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K2001/003—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units
    • B60K2001/005—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units the electric storage means
    • 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
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Automation & Control Theory (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Power Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Secondary Cells (AREA)

Abstract

A vortex-cooled power battery thermal management technique includes: power battery group, temperature sensor, air compressor, vortex cooler include hot-end pipe, cold-end pipe, air inlet, gas outlet, and this technical scheme principle is: when the temperature of the power battery pack is higher than a set value, the electric automobile management system controls the air compressor to pressurize the vortex cooler, high-pressure air rotates at a high speed in the vortex cavity to separate cold air and hot air flow, and the cold air flows out of the power battery pack from the vortex cooler to complete heat exchange, so that the power battery pack is rapidly cooled.

Description

Thermal management technology for power battery cooled by eddy current
Technical Field
The invention relates to a thermal management technology for a power battery cooled by vortex, and belongs to the field of new energy electric automobiles.
Background
In recent years, in the blowout type development of the electric automobile industry, the power battery has the advantages of high energy density and long service life, but the power battery is generally not resistant to high temperature, the service life of the power battery is rapidly declined when the power battery is used at high temperature, and the development of the electric automobile is influenced. The cooling of present power adopts single fan cooling basically, and the effect of fan cooling is poor, can't make power battery rapid cooling during high temperature.
The eddy cooling technology is that cold air is generated at one end through energy conversion in the eddy tube, and the lowest cold air temperature can reach 45 ℃ below zero and the maximum temperature reduction amplitude reaches 70 ℃ below zero on the premise of drying the air at the temperature of 25 ℃. There is an adjusting knob so that the temperature and the air flow rate of the cold air flow can be adjusted, and the temperature of the cold air becomes lower as the cooling coefficient is adjusted to be smaller by the adjusting knob. The vortex cooling device has small volume, quick refrigeration, cleanness and no pollution, and the vortex cooling technology is the best choice for local cooling.
Disclosure of Invention
In order to solve the problem of difficult cooling of the power battery, the invention provides a thermal management technology of the power battery with vortex cooling, and the technical scheme of the thermal management technology of the power battery with vortex cooling is as follows: a vortex-cooled power battery thermal management technique includes: power battery group, temperature sensor, air compressor, vortex cooler include hot-end pipe, cold-end pipe, air inlet, gas outlet, and this technical scheme principle is: when the temperature of the power battery pack is higher than a set value, the electric automobile management system controls the air compressor to pressurize the vortex cooler, high-pressure air rotates at a high speed in the vortex cavity to separate cold air and hot air, and the cold air flows out of the power battery pack from the vortex cooler to complete heat exchange, so that the power battery pack is cooled.
The further technical scheme of the invention is as follows: the cold end pipe is made of metal materials, and heat can be absorbed conveniently.
The further technical scheme of the invention is as follows: the cold end pipe of the vortex cooler is embedded in the power battery pack and can be made into a branch and a radiating fin.
The thermal management technology of the power battery with vortex cooling of the invention is further explained with reference to the attached drawings.
Drawings
FIG. 1: a technical schematic diagram of thermal management of a power battery cooled by vortex flow is provided.
Detailed Description
As shown in fig. 1, a schematic diagram of a thermal management technology of a vortex-cooled power battery is shown, in which an air compressor 1, a vortex cooler 2, a vortex cooler hot end tube 21, a vortex cooler cold end tube 22, a vortex cooler air inlet 23, a vortex cooler air outlet 24, a vortex cooler cold end tube branch fin 3, a power battery pack 4, a power battery pack 5 and a temperature sensor 6 are arranged in the power battery pack 4; when the temperature sensor 6 detects that the temperature of the power battery 5 in the power battery pack 4 is higher than a set value, the electric automobile management system controls the air compressor 1 to pressurize the vortex cooler 2, high-pressure air rotates at a high speed in a vortex cavity to separate cold air and hot air, cold air flows out of the vortex cooler from the cold end pipe 22 to the power battery pack 4, heat exchange is completed between the power batteries 5, and the cold air is discharged from the vortex cooler air outlet 24, so that the temperature of the power battery pack 4 is reduced.
The present invention is specifically described in the above, and those skilled in the art can make equivalent modifications or substitutions within the spirit of the present invention, and the scope of the present invention is defined by the claims.

Claims (3)

1. A vortex-cooled power battery thermal management technique includes: power battery group, temperature sensor, air compressor, vortex cooler include hot-end pipe, cold-end pipe, air inlet, gas outlet, and this technical scheme principle is: when the temperature of the power battery pack is higher than a set value, the electric automobile management system controls the air compressor to pressurize the vortex cooler, high-pressure air rotates at a high speed in the vortex cavity to separate cold air and hot air, and the cold air flows out of the power battery pack from the vortex cooler to complete heat exchange, so that the power battery pack is cooled.
2. The eddy current cooled power battery thermal management technology as claimed in claim 1, wherein the cold end tube is made of metal material to absorb heat.
3. The eddy current cooled power battery thermal management technology as claimed in claim 1, wherein the cold end pipe of the eddy current cooler is embedded in the power battery pack and can be made into a branch and a radiating fin.
CN202010677885.4A 2020-07-09 2020-07-09 Thermal management technology for power battery cooled by eddy current Pending CN111823953A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010677885.4A CN111823953A (en) 2020-07-09 2020-07-09 Thermal management technology for power battery cooled by eddy current

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010677885.4A CN111823953A (en) 2020-07-09 2020-07-09 Thermal management technology for power battery cooled by eddy current

Publications (1)

Publication Number Publication Date
CN111823953A true CN111823953A (en) 2020-10-27

Family

ID=72922842

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010677885.4A Pending CN111823953A (en) 2020-07-09 2020-07-09 Thermal management technology for power battery cooled by eddy current

Country Status (1)

Country Link
CN (1) CN111823953A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114388978A (en) * 2022-01-11 2022-04-22 恒义超然工业技术(上海)有限公司 Double-interlayer type battery box capable of circularly supplying air and dissipating heat and processing technology thereof
KR102440189B1 (en) * 2022-03-21 2022-09-06 정춘식 Air cooling and heating device and temperature arranging system for electric vehicle battery

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114388978A (en) * 2022-01-11 2022-04-22 恒义超然工业技术(上海)有限公司 Double-interlayer type battery box capable of circularly supplying air and dissipating heat and processing technology thereof
KR102440189B1 (en) * 2022-03-21 2022-09-06 정춘식 Air cooling and heating device and temperature arranging system for electric vehicle battery

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PB01 Publication
CB02 Change of applicant information
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Address after: 311300 2nd floor, Wanma Innovation Park, 2159 Keji Avenue, Qingshanhu street, Lin'an District, Hangzhou City, Zhejiang Province

Applicant after: ZHEJIANG WANMA NEW ENERGY Co.,Ltd.

Address before: 310012 Research Institute, 11 / F, Tianji building, 180 Tianmushan Road, Hangzhou, Zhejiang Province

Applicant before: ZHEJIANG WANMA NEW ENERGY Co.,Ltd.

WD01 Invention patent application deemed withdrawn after publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20201027