CN106252790B - A kind of power battery thermal management system - Google Patents
A kind of power battery thermal management system Download PDFInfo
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- CN106252790B CN106252790B CN201610828627.5A CN201610828627A CN106252790B CN 106252790 B CN106252790 B CN 106252790B CN 201610828627 A CN201610828627 A CN 201610828627A CN 106252790 B CN106252790 B CN 106252790B
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- Prior art keywords
- cooling
- power battery
- mangneto
- heat
- refrigeration cycle
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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
- H01M10/62—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
- 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
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
-
- 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
- H01M10/657—Means for temperature control structurally associated with the cells by electric or electromagnetic means
-
- 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
- H01M10/659—Means for temperature control structurally associated with the cells by heat storage or buffering, e.g. heat capacity or liquid-solid phase changes or transition
-
- 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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- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Automation & Control Theory (AREA)
- Secondary Cells (AREA)
Abstract
The present invention relates to a kind of power battery thermal management systems, include mangneto device for cooling, system control device, power battery module, the first refrigeration cycle pump, the second refrigeration cycle pump, the first heat cycles pump, the second heat cycles pump, phase transition heat accumulation unit and phase change cold-storage device.Magnetic cooling technology is applied to battery thermal management by the present invention, and the thermo-magnetic effect based on magnetic cooling material achievees the purpose that refrigeration heating；Compared with conventional refrigeration, magnetic cooling unit high cooling efficiency, energy consumption is small, moving component is few, noise is small, small in size, working frequency is low, high reliablity and non-environmental-pollution, while also overcoming general heat management system and cannot achieve the function of having both heating and refrigeration and the problems such as system is heavy, easy leakage.
Description
Technical field
The present invention relates to the technical field of battery cooling more particularly to a kind of power battery thermal management systems.
Background technique
With the continuous growth of new-energy automobile sales volume, the safety accident as caused by new-energy automobile is also increasing.
On May 26th, 2012, one, Shenzhen pure electric vehicle taxi hit it is on fire, shock cause body tail and battery tray seriously to become
Shape, power battery pack and high-tension distribution box are by severe crush, and therefore having ignited interior material and partial power battery etc. can
Combustion things matter；On April 9th, 2016, certain brand on June 14 are with money hybrid power SUV spontaneous combustion, and accident is all due to a lack of efficient heat management
System.
Power battery temperature control and the poor electric car of automatically controlled performance, will appear that course continuation mileage decaying is serious, charging winter
The problems such as difficult, summer, which is then easy to happen over-charging of battery, to cause " thermal runaway ", and then the feelings of electric car kindling, explosion occur
Condition.It is more urgent to the promotion requirement of power battery performance especially as the fast development of electric car, and along with battery
Large scale and modularization, temperature problem caused by battery heat production is also more prominent.Therefore, how to allow electric car cruel in severe winter
Can normally, safely travel in heat is that we are instantly urgently to be solved.And good heat management system can make the building ring of battery
Border tends to " cool in summer and warm in winter ", to improve the security reliability of battery and electric automobile whole.So electric car must have
It is a set of battery can be heated and freeze, the reliable heat management system of highly effective and safe.
Magnetic cooling refers to the Refrigeration Technique completely new for one kind of public matter with magnetic material, and magnetic cooling material is for mangneto
The substance with magnetothermal effect of cooling system.The basic principle is that magnetic cooling is to add magnetic field to magnet first, by magnetic cooling material
Outwardly release heat when the magnetothermal effect of material, i.e. magnetic cooling material isothermal magnetization, and from extraneous draw heat when adiabatic demagnetization,
Achieve the purpose that refrigeration.Magnetic refrigerating material is the core of mangneto cooling system.Compared with conventional refrigeration, magnetic cooling unit refrigeration
It is high-efficient, energy consumption is small, moving component is few, noise is small, small in size, working frequency is low, high reliablity and non-environmental-pollution, thus
It is known as green refrigeration technology.The heating of this integrated efficient is used for batteries of electric automobile with Refrigeration Technique, can effectively strengthen electricity
The heat management in pond improves its security performance, cycle life and energy efficiency, and in addition its simple system structure mitigates electric car
Burden, increase the specific energy of battery modules.
Summary of the invention
Height is carried out to battery using mangneto refrigeration technique it is an object of the invention to overcome the deficiencies of the prior art and provide a kind of
Effect heating with refrigeration, energy consumption is small, moving component is few, noise is small, small in size, working frequency is low, high reliablity and without environment dirt
Dye, while also overcoming that general heat management system cannot achieve the function of having both heating and refrigeration and system is heavy, easy leakage
The problems such as power battery thermal management system.
To achieve the above object, technical solution provided by the present invention are as follows: include mangneto device for cooling, system control dress
Set, power battery module, the first refrigeration cycle pump, the second refrigeration cycle pump, the first heat cycles pump, the second heat cycles pump,
Phase transition heat accumulation unit and phase change cold-storage device；
The system control device adds with mangneto device for cooling, the first refrigeration cycle pump, the second refrigeration cycle pump, first respectively
Hot recycle pump, the pump electrical connection of the second heat cycles；
The mangneto device for cooling, the first refrigeration cycle pump, pipeline connects between phase change cold-storage device three, forming circuit；
The mangneto device for cooling, the first heat cycles pump, pipeline connects between phase transition heat accumulation unit three, forming circuit；
The power battery module, the second refrigeration cycle pump, pipeline connects between phase change cold-storage device three, are formed back
Road；
The power battery module, the second heat cycles pump, pipeline connects between phase transition heat accumulation unit three, are formed back
Road.
The mangneto device for cooling is plate heat exchanger structure, by magnetic cooling body, superconducting magnet, thermal insulation material, cryogenic fluid
Runner and heating fluid course composition, the superposition alternate with heating fluid course of cryogenic fluid runner, and in parallel connect is respectively adopted
It connects, magnetic cooling body is placed between cold fluid runner and heating fluid course, is surrounded by thermal insulation material；The superconducting magnetic position
In mangneto device for cooling outermost, magnetic cooling body, thermal insulation material and the cryogenic fluid runner being superimposed and heating fluid course
It surrounds.
The power battery module is formed by connecting in series and parallel by several single batteries, which is rectangular cell, soft
Packet battery, cylindrical battery etc..
The cryogenic fluid runner and the heating each layer of fluid course all exist independently of each other and in the form of sealing.
Compared with prior art, magnetic cooling technology is applied to battery thermal management by this programme, according to the heat of magnetic cooling material
Magnetic effect outwardly releases heat in magnetic cooling material magnetization to magnet plus magnetic field, reaches heating purpose, and adiabatic demagnetization
When from extraneous draw heat, reach refrigeration purpose, realize and combine heating and refrigeration, tending to the working environment of battery, " winter warms up
Xia Liang "；Compared with conventional refrigeration, magnetic cooling unit high cooling efficiency, energy consumption is small, moving component is few, noise is small, small in size, work
Working frequency is low, high reliablity and non-environmental-pollution；Simultaneously also overcome general heat management system cannot achieve have both heating and
The problems such as function and system of refrigeration be heavy, easy leakage；In addition, since the mangneto device for cooling in this programme uses plate-type heat-exchange
Device structure realizes the switching of refrigeration with heating while ensure that high efficient heat exchanging；Finally, phase transition heat accumulation unit and phase change cold-storage dress
It sets, cooling capacity and heat can effectively be stored, avoid energy according to the phase-change characteristic of phase-change material by all carrying out energy storage using phase-change material
Amount loss, improves energy utilization rate.
Detailed description of the invention
Fig. 1 is system schematic of the invention；
Fig. 2 is the perspective view of mangneto device for cooling in the present invention；
Fig. 3 is the sectional view in the face mangneto device for cooling A-A in the present invention；
In figure: 1-mangneto device for cooling, 1-1-magnetic cooling body, 1-2-superconducting magnet, 1-3-thermal insulation material, 1-4-system
Cold fluid runner, 1-5-heating fluid course, 2-system control devices, 3-power battery modules, the 4-the first refrigeration cycle
Pump, the 5-the second refrigeration cycle pump, the 6-the first heat cycles pump, the 7-the second heat cycles pump, 8-phase transition heat accumulation units, 9-
Phase change cold-storage device.
Specific embodiment
The present invention is further explained in the light of specific embodiments:
Referring to shown in attached drawing 1 to 3, a kind of power battery thermal management system described in the present embodiment, it includes magnetic cooling
Device 1, system control device 2, power battery module 3, the first refrigeration cycle pump the 5, first heating of the 4, second refrigeration cycle pump and follow
Ring pumps the 6, second heat cycles pump 7, phase transition heat accumulation unit 8 and phase change cold-storage device 9；
The system control device 2 pumps the 4, second refrigeration cycle pump 5, the with mangneto device for cooling 1, the first refrigeration cycle respectively
One heat cycles pump 7 electrical connection of the 6, second heat cycles pump；
The mangneto device for cooling 1, the first refrigeration cycle pump pipeline connection between 4,9 three of phase change cold-storage device, are formed back
Road；
The mangneto device for cooling 1, the first heat cycles pump pipeline connection between 6,8 three of phase transition heat accumulation unit, are formed back
Road；
The power battery module 3, the second refrigeration cycle pump pipeline connection between 5,9 three of phase change cold-storage device, are formed
Circuit；
The power battery module 3, the second heat cycles pump pipeline connection between 7,8 three of phase transition heat accumulation unit, are formed
Circuit.
The mangneto device for cooling 1 is plate heat exchanger structure, by magnetic cooling body 1-1, superconducting magnet 1-2, thermal insulation material 1-
3, cryogenic fluid runner 1-4 and heating fluid course 1-5 composition, cryogenic fluid runner 1-4 are alternate with heating fluid course 1-5
Superposition, and be respectively adopted and be connected in parallel, magnetic cooling body 1-1 is placed between cold fluid runner 1-4 and heating fluid course 1-5,
It is surrounded by thermal insulation material 1-3；The superconducting magnet 1-2 is located at 1 outermost of mangneto device for cooling, magnetic cooling body 1-1, thermal insulating material
The material 1-3 and cryogenic fluid runner 1-4 being superimposed and heating fluid course 1-5 are surrounded.
The cryogenic fluid runner 1-4 and the heating each layer of fluid course 1-5 are all deposited independently of each other and in the form of sealing
?.
The power battery module 3 is formed by connecting in series and parallel by several single batteries, which is rectangular cell.
When system works, system control device 2 controls superconducting magnet 1-2 and carries out magnetization heat production to magnetic cooling body 1-1, is producing
While hot, system control device 2 also controls 6 driving working medium of the first heat cycles pump and absorbs heat to magnetic cooling body 1-1, takes away
Heat storage in phase transition heat accumulation unit 8；Magnetic field, magnetic cooling body 1-1 are eliminated when system control device 2 controls superconducting magnet 1-2
Demagnetization refrigeration is carried out, system control device 2 controls 4 driving working medium of the first refrigeration cycle pump to magnetic cooling body 1-1 heat release, band simultaneously
It walks cooling capacity and is stored in phase change cold-storage device 9；When system control device 2 detects the temperature of power battery module 3 higher than set
Temperature value TmaxWhen, 5 driving working medium of the second refrigeration cycle of control pump brings cooling capacity to power battery module 6 from phase change cold-storage device 9
Freeze；When the temperature that system control device 2 detects power battery module is lower than set temperature value TminWhen, control second
7 driving working medium of heat cycles pump brings heat to heat power battery module 3 from phase transition heat accumulation unit 8.
Magnetic cooling technology is applied to battery thermal management by the present embodiment, according to the thermo-magnetic effect of magnetic cooling material, gives magnet
Add magnetic field, outwardly releases heat in magnetic cooling material magnetization, reach heating purpose, and from extraneous extract heat when adiabatic demagnetization
Amount reaches refrigeration purpose, realizes and combines heating and refrigeration, the working environment of battery is made to tend to " cool in summer and warm in winter "；It is made with tradition
Cold to compare, magnetic cooling unit high cooling efficiency, energy consumption is small, moving component is few, noise is small, small in size, working frequency is low, reliability
High and non-environmental-pollution；Also overcoming general heat management system simultaneously cannot achieve the function of having both heating and refrigeration and is
Unite heavy, easy leakage the problems such as；In addition, ensure that height since the mangneto device for cooling 1 in embodiment uses plate heat exchanger structure
The switching of refrigeration with heating is realized while effect heat exchange；Finally, phase transition heat accumulation unit 8 and phase change cold-storage device 9, all use phase transformation
Material, which carries out energy storage, can effectively store cooling capacity and heat according to the phase-change characteristic of phase-change material, avoid energy loss, improve energy
Source utilization rate.
The examples of implementation of the above are only the preferred embodiments of the invention, and implementation model of the invention is not limited with this
It encloses, therefore all shapes according to the present invention, changes made by principle, should all be included within the scope of protection of the present invention.
Claims (4)
1. a kind of power battery thermal management system, it is characterised in that: it includes mangneto device for cooling (1), system control device
(2), power battery module (3), the first refrigeration cycle pump (4), the second refrigeration cycle pump (5), the first heat cycles pump (6), the
Two heat cycles pump (7), phase transition heat accumulation unit (8) and phase change cold-storage device (9)；
The system control device (2) pumps with mangneto device for cooling (1), the first refrigeration cycle pump (4), the second refrigeration cycle respectively
(5), the first heat cycles pump (6), the second heat cycles pump (7) electrical connection；
The mangneto device for cooling (1), the first refrigeration cycle pump pipeline connection between (4), phase change cold-storage device (9) three, are formed
Circuit；
The mangneto device for cooling (1), the first heat cycles pump pipeline connection between (6), phase transition heat accumulation unit (8) three, are formed
Circuit；
The power battery module (3), the second refrigeration cycle pump pipeline connection, shape between (5), phase change cold-storage device (9) three
At circuit；
The power battery module (3), the second heat cycles pump pipeline connection, shape between (7), phase transition heat accumulation unit (8) three
At circuit.
2. a kind of power battery thermal management system according to claim 1, it is characterised in that: the mangneto device for cooling (1)
For plate heat exchanger structure, by magnetic cooling body (1-1), superconducting magnet (1-2), thermal insulation material (1-3), cryogenic fluid runner (1-
4) and heating fluid course (1-5) forms, cryogenic fluid runner (1-4) and the alternate superposition of heating fluid course (1-5), and point
It Cai Yong not be connected in parallel, magnetic cooling body (1-1) is placed between cryogenic fluid runner (1-4) and heating fluid course (1-5), and four
Week is equipped with thermal insulation material (1-3)；The superconducting magnet (1-2) is located at mangneto device for cooling (1) outermost, magnetic cooling body (1-1),
Thermal insulation material (1-3) and the cryogenic fluid runner (1-4) being superimposed and heating fluid course (1-5) surround.
3. a kind of power battery thermal management system according to claim 1, it is characterised in that: the power battery module
(3) it is formed by connecting in series and parallel by several single batteries, which is rectangular cell, soft-package battery, cylindrical battery.
4. a kind of power battery thermal management system according to claim 2, it is characterised in that: the cryogenic fluid runner
(1-4) and heating fluid course (1-5) each layer are mutually independent and exist in the form of sealing.
Priority Applications (1)
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| CN201610828627.5A CN106252790B (en) | 2016-09-18 | 2016-09-18 | A kind of power battery thermal management system |
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| CN201610828627.5A CN106252790B (en) | 2016-09-18 | 2016-09-18 | A kind of power battery thermal management system |
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| CN106252790B true CN106252790B (en) | 2019-02-15 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107994290A (en) * | 2017-11-24 | 2018-05-04 | 西安交通大学 | A kind of batteries of electric automobile compound thermal management system |
| CN109149012B (en) * | 2018-09-29 | 2023-05-23 | 山东大学 | Temperature control system based on magnetic refrigeration technology, electric automobile battery pack thermal management system and method |
| CN110190296B (en) * | 2019-05-16 | 2020-06-05 | 苏州纳尔森能源科技有限公司 | Battery thermal management system and control method thereof |
| FR3099643B1 (en) * | 2019-08-02 | 2021-08-20 | Valeo Systemes Thermiques | Battery thermal management device comprising a magnetocaloric device |
| CN113241486A (en) * | 2021-04-02 | 2021-08-10 | 孙启煜 | Outdoor cold-resistant lithium battery |
| CN117074977B (en) * | 2023-10-10 | 2023-12-22 | 中汽研（天津）汽车工程研究院有限公司 | Automatic test method and system for simulating performance of real vehicle battery pack |
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