CN107946694A - A kind of power battery cooling system and its cooling means - Google Patents
A kind of power battery cooling system and its cooling means Download PDFInfo
- Publication number
- CN107946694A CN107946694A CN201711400245.3A CN201711400245A CN107946694A CN 107946694 A CN107946694 A CN 107946694A CN 201711400245 A CN201711400245 A CN 201711400245A CN 107946694 A CN107946694 A CN 107946694A
- Authority
- CN
- China
- Prior art keywords
- water channel
- battery
- power battery
- cooling
- microcirculation
- 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.)
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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
- H01M10/65—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
- H01M10/659—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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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
Abstract
The present invention provides a kind of power battery cooling system, the battery includes multiple battery cores, the battery core in Battery case be in matrix form arrange, the cooling system includes water pump, water channel, radiator, the water pump is arranged in the water channel, the radiator and the water channel unicom, the water channel includes exterior water channel and ring battery core water channel, the ring battery core water channel is arranged at around the battery core, the exterior water channel includes major cycle water channel and microcirculation water channel, by setting two sets of water channels, cyclic water channel can be chosen according to demand, effectively reduce energy consumption, and by setting phase-change material cooling device, further ensure the temperature stability and uniformity of battery core.
Description
Technical field
The present invention relates to battery cooling system, and in particular to the water cooling system of automobile using power battery and its cooling side
Method.
Background technology
With becoming increasingly conspicuous for environmental problem, the development of new-energy automobile is also to be getting faster, as new-energy automobile
Core component, the development prospect of Vehicular dynamic battery is more and more wide, while is badly in need of the fast development of battery thermal management system, moves
The operating temperature of power battery is too high or too low all to reduce its efficiency for charge-discharge and whole service life, and power train in vehicle application electricity
The uneven rapid decay for being easy to cause battery bulk life time of pond monomer temperature, thus, battery is not only controlled in reasonable temperature
Operated within range, while the uniformity of each battery cell temperature inside battery pack is kept, it is at optimum temperature range
And there is high workload efficiency, while improve the reliability of battery and extend its service life, existing battery cooling system is mostly wind
Cold, two kinds of water cooling, air cooling system is safe, cost is low, but its heat dissipation effect is poor, particularly the temperature between single battery
Degree difference it is more obvious, although and water-cooling system good heat dissipation effect, its complicated and energy consumption are higher so that, have impact on
The charge discharge life and charging and discharging capabilities of battery entirety, are unfavorable for the development of new-energy automobile.
The content of the invention
The technical problem to be solved in the present invention is radiating the problem of bad for above-mentioned new-energy automobile power battery, propose
A kind of power battery cooling system, the battery include multiple battery cores, the battery core in being in that matrix form arranges in Battery case,
The cooling system includes water pump, water channel, radiator, and the water pump is arranged in the water channel, the radiator and the water
Road unicom, the water channel include exterior water channel and ring battery core water channel, and the ring battery core water channel is arranged at around the battery core, described
Exterior water channel includes major cycle water channel and microcirculation water channel, by setting two sets of water channels, can choose cyclic water channel according to demand,
Energy consumption is effectively reduced, and by setting phase-change material cooling device, further ensures the temperature stability and uniformity of battery core.
In order to solve the above technical problem, the present invention provides technical solution be：
A kind of power battery cooling system, the battery include multiple battery cores, and the battery core is in being in matrix in Battery case
Form arranges, and the cooling system includes water pump, water channel, radiator, and the water pump is arranged in the water channel, the radiator
Connected with the water channel, the water channel includes exterior water channel and ring battery core water channel, and the ring battery core water channel is arranged at the battery core
Around.
The exterior water channel includes major cycle water channel and microcirculation water channel, is followed respectively to form the master of the cooling system
Ring cooling circuit and microcirculation cooling circuit, the major cycle cooling circuit include major cycle water channel, ring battery core water channel, described dissipate
Hot device, the microcirculation cooling circuit include microcirculation water channel, ring battery core water channel, and the water pump is arranged at the major cycle cooling
On the common water channel of circuit and the microcirculation cooling circuit.
The major cycle cooling circuit on the common water channel of the microcirculation cooling circuit with setting valve, to switch
Major cycle cooling circuit and the microcirculation cooling circuit are stated, the valve is solenoid valve, and the valve is three-way valve.
The cooling system further includes phase-change material cooling device, and the phase-change material cooling device is arranged at the battery core
Around.
A kind of power battery cooling means, the cooling means be based on above-mentioned power battery cooling system, it is described dynamic
During power start battery, the water pump does not start, and the optimal work of the power battery is maintained by the phase-change material cooling device
Temperature.
When the temperature of powered cell rises to a certain particular value t1, start the water pump and switch the valve opening institute
Microcirculation cooling circuit is stated, is radiated by the microcirculation cooling circuit to the power battery.
When the temperature of powered cell rises to a certain particular value t2, start the water pump and switch the valve opening institute
Major cycle cooling circuit is stated, is radiated by the major cycle cooling circuit to the power battery.
Beneficial effects of the present invention are：
1. power battery cooling system of the present invention is used, by setting major cycle cooling circuit and microcirculation cooling circuit,
One of circuit is opened according to the demand of power battery, can either meet the heat dissipation effect of power battery, can also reduce water pump
Power consumption, save the energy；
2. using power battery cooling system of the present invention, by setting phase-change material cooling device, stop in power battery
Kept the temperature to power battery by it after work, and radiated in the heat exchange of power battery initial start stage to power battery.
Brief description of the drawings
Fig. 1 is power battery cooling system structure diagram of the present invention；
Fig. 2 is power battery cooling system battery-end dimensional structure diagram of the present invention；
Fig. 3 is power battery cooling system phase-change material cooling device structure diagram of the present invention；
Fig. 4 is power battery cooling system phase-change material cooling device cross-sectional view of the present invention.
Embodiment
The invention discloses a kind of power battery cooling system and its cooling means, those skilled in the art can use for reference this
Literary content, is suitably modified technological parameter realization.It is important to note that all similar substitutions and modifications are to art technology
It is it will be apparent that they are considered as being included in the present invention for personnel, and related personnel can substantially not depart from this hair
Content described herein is modified or is suitably changed with combining on the basis of bright content, spirit and scope, to realize and apply
The technology of the present invention.
In the present invention, unless otherwise stated, Science and Technology noun used herein has art technology
The normally understood implication of personnel institute.
In order to make those skilled in the art more fully understand technical scheme, with reference to specific embodiment pair
The present invention is described in further detail.
The power battery of one of core component as new-energy automobile, since its operating environment requirements is higher, particularly
Temperature requirement, temperature is too low to cause the reduction of power battery charging and discharging capabilities, and life time decay is also very fast, and temperature is excessive
Meeting accelerated aging decay, in some instances it may even be possible to cause security incident, therefore, power battery is needed in an optimal operating temperature range
Interior, many Vehicular dynamic batteries have also been accomplished by the control of its operating temperature in a relatively reasonable scope at present, however, by
All it is by multiple monomer compositions in power battery, since position is different between monomer, its radiating efficiency is different, also results in its temperature
Difference occurs in degree, and the operating temperature difference of single battery can also influence its charging and discharging capabilities, while the unbalanced power of temperature
Battery system can cause the reduction of overall performance, and accelerate the decay in its service life, and in order to solve this problem, the present invention proposes
A kind of power battery cooling system and its cooling means, are specifically described with reference to the drawings the cooling system and cooling means：
Fig. 1 is the structure diagram of power battery cooling system of the present invention, and Fig. 2 is power battery cooling system of the present invention electricity
Pond end dimensional structure diagram, the battery include multiple battery cores 1, the battery core 1 in being in that matrix form arranges in Battery case,
The cooling system includes water pump 3, water channel, radiator 4, and the water pump 3 is arranged in the water channel, the radiator 4 and institute
Water channel connection is stated, the water channel includes exterior water channel and ring battery core water channel 2, and the ring battery core water channel 2 is arranged at the battery core 1 week
Enclose.
The exterior water channel includes major cycle water channel 5 and microcirculation water channel 6, respectively forming the master of the cooling system
Circulation cooling circuit and microcirculation cooling circuit, the major cycle cooling circuit include major cycle water channel 5, ring battery core water channel 2, institute
Radiator 4 is stated, the microcirculation cooling circuit includes microcirculation water channel 6, ring battery core water channel 2, and the water pump 3 is arranged at the master
On the common water channel of circulation cooling circuit and the microcirculation cooling circuit.
The major cycle cooling circuit is with setting valve 7 on the common water channel of the microcirculation cooling circuit, to switch
The major cycle cooling circuit and the microcirculation cooling circuit, the valve 7 is solenoid valve, and the valve 7 is threeway
Valve, i.e., described valve 7 can realize the turning on of the major cycle cooling circuit, the shut-off of the microcirculation cooling circuit, or
Person realizes the turning on of the microcirculation cooling circuit, the shut-off of the major cycle cooling circuit.
Fig. 3 is power battery cooling system phase-change material cooling device structure diagram of the present invention, and Fig. 4 is power of the present invention
Battery cooling system phase-change material cooling device cross-sectional view, the cooling system further include phase-change material cooling device 8,
The phase-change material cooling device 8 is arranged at around the battery core 1, and the phase-change material cooling device 8 is miniature column capsule
Type structure, multiple phase-change material cooling devices 8, the phase-change material cooling device 8 are placed between the battery core in gap
Including external shell structure 81 and internal cavity structures 82, filling phase-change material, the outside in the internal cavity structures 82
Shell structure 81 is the high polymerizable material of thermal conductivity or metal material.
Based on above-mentioned power battery cooling system, the present invention gives a kind of power battery cooling means, the cooling
Method is specifically, when the power battery starts, and the water pump 3 does not start, by the phase-change material cooling device 8 and the electricity
Core 1 carries out the optimal operating temperature that heat exchange maintains the power battery, special after the power battery is stopped for a long time
It is not that the temperature of powered cell can decline quickly in the case where winter makes outdoor temperature is low, if do not heated to it, it will shadow
The working performance to power battery during startup next time is rung, since the phase-change material cooling device 8 is in power described in last time
More heat transfer is absorbed after battery work and has liquefied, and storing heat being after the power battery is stopped
The power battery provides heat, ensure that insulation of the power battery after being stopped, and the phase-change material is cold
But equipment 8 also can discharge heat with the offer power battery insulation and temperature reduces, and just start work in the power battery
After work, with the rising of its temperature, the heat of the power battery can also be absorbed by the phase-change material cooling device 8, so that
The temperature value of the power battery is maintained in short time.
When the temperature of powered cell rises to a certain particular value t1, start the water pump 3 and switch the valve 7 and open
Open the microcirculation cooling circuit and turn off the major cycle cooling circuit, the power electric is given by the microcirculation cooling circuit
Pond is radiated, the solid arrow direction in the microcirculation cooling circuit such as Fig. 1, i.e., described microcirculation cooling circuit be 1. → 2. →
3. → 4. → 5. → 6. → 7. → 1., it is 7. ring battery core water wherein being 4. the water channel by the phase-change material cooling device 8
Road.
(the t2 when the temperature of powered cell rises to a certain particular value t2>T1), start described in the water pump 3 and switching
Valve 7 opens the major cycle cooling circuit and turns off the microcirculation cooling circuit, by the major cycle cooling circuit to institute
State power battery to radiate, the dotted arrow direction in the major cycle cooling circuit such as Fig. 1, i.e., described microcirculation cooling circuit is
①→⑧→⑨→⑦→①。
The present invention is used by the switching of major cycle cooling circuit and microcirculation cooling circuit, when microcirculation cools down, institute
State water pump 3 intermittent only to operate, the energy consumption of the water pump 3 is greatly decreased, in the feelings that the power battery working time is not grown
Under condition, using microcirculation cooling just enough, simultaneously as the phase transition temperature of the phase-change material cooling device 8 is one true
Fixed value, the temperature of the coolant around the phase-change material cooling device 8 is also more constant, the ring battery core water channel 2 weeks
The uniformity for enclosing the temperature of coolant is preferably ensured, so as to improve the temperature consistency of the battery core 1.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of power battery cooling system, the battery includes multiple battery cores, and the battery core is in being in rectangular in Battery case
Formula arranges, it is characterised in that and the cooling system includes water pump, water channel, radiator, and the water pump is arranged in the water channel,
The radiator is connected with the water channel, and the water channel includes exterior water channel and ring battery core water channel, and the ring battery core water channel is set
Around the battery core.
2. power battery cooling system according to claim 1, it is characterised in that the exterior water channel includes major cycle water
Road and microcirculation water channel, respectively forming the major cycle cooling circuit of the cooling system and microcirculation cooling circuit.
3. power battery cooling system according to claim 2, it is characterised in that the major cycle cooling circuit includes master
Cyclic water channel, ring battery core water channel, the radiator, the microcirculation cooling circuit include microcirculation water channel, ring battery core water channel, institute
Water pump is stated to be arranged on the common water channel of the major cycle cooling circuit and the microcirculation cooling circuit.
4. power battery cooling system according to claim 3, it is characterised in that the major cycle cooling circuit with it is described
Valve is set on the common water channel of microcirculation cooling circuit, is cooled down to switch the major cycle cooling circuit with the microcirculation
Circuit.
5. power battery cooling system according to claim 4, it is characterised in that the valve is solenoid valve.
6. power battery cooling system according to claim 5, it is characterised in that the valve is three-way valve.
7. power battery cooling system according to claim 6, it is characterised in that the cooling system further includes phase transformation material
Expect cooling device, the phase-change material cooling device is arranged at around the battery core.
8. a kind of power battery cooling means, it is characterised in that the cooling means is based on the power electric described in claim 7
Pond cooling system, when the power battery starts, the water pump does not start, and remains described dynamic by the phase-change material cooling device
The optimal operating temperature of power battery.
9. power battery cooling means according to claim 8, it is characterised in that the temperature of powered cell rises to certain
During one particular value t1, start the water pump and switch microcirculation cooling circuit described in the valve opening, it is cold by the microcirculation
But circuit is radiated to the power battery.
10. power battery cooling means according to claim 9, it is characterised in that the temperature of powered cell rises to
During a certain particular value t2, start the water pump and switch major cycle cooling circuit described in the valve opening, by the major cycle
Cooling circuit radiates to the power battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711400245.3A CN107946694B (en) | 2017-12-22 | 2017-12-22 | A kind of power battery cooling system and its cooling means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711400245.3A CN107946694B (en) | 2017-12-22 | 2017-12-22 | A kind of power battery cooling system and its cooling means |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107946694A true CN107946694A (en) | 2018-04-20 |
| CN107946694B CN107946694B (en) | 2019-09-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711400245.3A Expired - Fee Related CN107946694B (en) | 2017-12-22 | 2017-12-22 | A kind of power battery cooling system and its cooling means |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111162340A (en) * | 2018-11-08 | 2020-05-15 | 吉林大学 | Heat dissipation device and method for power battery for new energy automobile |
| CN116321985A (en) * | 2023-04-07 | 2023-06-23 | 江阴市富仁高科股份有限公司 | Multimedia screen with cooling structure |
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| JP2013121785A (en) * | 2011-12-12 | 2013-06-20 | Toyota Motor Corp | Cooling system for electronic device, and cooling system for vehicular interior and electronic device |
| CN104842752A (en) * | 2014-01-27 | 2015-08-19 | 利勃海尔交通***股份有限公司 | Vehicle cooling circuit |
| CN106684490A (en) * | 2015-11-09 | 2017-05-17 | 天津迪沃斯科技有限公司 | Water-cooling heat dissipation apparatus for battery pack of new energy automobile |
| CN106803609A (en) * | 2017-01-17 | 2017-06-06 | 宁波大学 | A kind of new-energy automobile power battery cooling system |
| CN206505962U (en) * | 2017-01-23 | 2017-09-19 | 北京长城华冠汽车技术开发有限公司 | A kind of water-cooled battery structure and batteries of electric automobile |
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2017
- 2017-12-22 CN CN201711400245.3A patent/CN107946694B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202352797U (en) * | 2011-11-17 | 2012-07-25 | 茵卡动力***（上海）有限公司 | Water cooling type lithium battery module cooling system |
| JP2013121785A (en) * | 2011-12-12 | 2013-06-20 | Toyota Motor Corp | Cooling system for electronic device, and cooling system for vehicular interior and electronic device |
| CN104842752A (en) * | 2014-01-27 | 2015-08-19 | 利勃海尔交通***股份有限公司 | Vehicle cooling circuit |
| CN106684490A (en) * | 2015-11-09 | 2017-05-17 | 天津迪沃斯科技有限公司 | Water-cooling heat dissipation apparatus for battery pack of new energy automobile |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111162340A (en) * | 2018-11-08 | 2020-05-15 | 吉林大学 | Heat dissipation device and method for power battery for new energy automobile |
| CN116321985A (en) * | 2023-04-07 | 2023-06-23 | 江阴市富仁高科股份有限公司 | Multimedia screen with cooling structure |
| CN116321985B (en) * | 2023-04-07 | 2024-02-27 | 江阴市富仁高科股份有限公司 | Multimedia screen with cooling structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107946694B (en) | 2019-09-03 |
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