CN108023139A - The T-shaped runner air cooling system of non-equidistant for power battery pack heat dissipation - Google Patents
The T-shaped runner air cooling system of non-equidistant for power battery pack heat dissipation Download PDFInfo
- Publication number
- CN108023139A CN108023139A CN201711094459.2A CN201711094459A CN108023139A CN 108023139 A CN108023139 A CN 108023139A CN 201711094459 A CN201711094459 A CN 201711094459A CN 108023139 A CN108023139 A CN 108023139A
- Authority
- CN
- China
- Prior art keywords
- flow channel
- battery pack
- power battery
- coolant flow
- deflector
- 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
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 32
- 230000017525 heat dissipation Effects 0.000 title claims abstract description 15
- 239000002826 coolant Substances 0.000 claims abstract description 46
- 239000000411 inducer Substances 0.000 claims abstract description 25
- 230000008676 import Effects 0.000 claims abstract description 22
- -1 import deflector Substances 0.000 claims abstract description 3
- 238000010586 diagram Methods 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
-
- 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
- H01M10/61—Types of temperature control
- H01M10/617—Types of temperature control for achieving uniformity or desired distribution of 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
- H01M10/62—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
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/651—Means for temperature control structurally associated with the cells characterised by parameters specified by a numeric value or mathematical formula, e.g. ratios, sizes or concentrations
-
- 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
- H01M10/6566—Means within the gas flow to guide the flow around one or more cells, e.g. manifolds, baffles or other barriers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- 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
Abstract
The invention discloses a kind of T-shaped runner air cooling system of non-equidistant for power battery pack heat dissipation, including inducer, import deflector, coolant flow channel, export deflector, outlet section and power battery pack, import deflector and outlet deflector parallel distribution are keeping the both sides up and down of a determining deviation with power battery pack, the spacing forms air flow channel up and down respectively, the perpendicular relation of coolant flow channel that spacing between each neighboring unit cell in power battery pack is formed, the coolant flow channel is parallel to each other, spacing is unequal, inducer and import deflector vertical connection, outlet section is parallel with outlet deflector to be connected, inducer and the perpendicular relation of outlet section.The system effectively reduces the hot(test)-spot temperature and the temperature difference of power battery pack, is conducive to extend the service life of power battery pack, and ensures that electric automobile is safely and reliably run.
Description
Technical field
The present invention relates to power battery air cooling system field, and in particular to a kind of non-equidistant for power battery pack heat dissipation
T-shaped runner air cooling system.
Background technology
In recent years, electric automobile is greatly developed as the effective means for alleviating environmental pollution and energy crisis.It is dynamic
Important component of the power battery as electric automobile, energy is provided for the operation of battery car.In the power battery course of work, because
Internal chemical react and Joule effect and produce substantial amounts of heat, if heat cannot drain in time, will raise battery temperature.It is dynamic
Power battery, especially lithium-ion-power cell, its performance will be influenced be subject to hot(test)-spot temperature and the temperature difference.In general, lithium ion
The desired operating temperatures of power battery are between 25 DEG C~40 DEG C, and the temperature difference is within 5 DEG C.Excessive temperature and the excessive temperature difference will
The performance of battery pack is influenced, and shortens the service life of battery pack.Therefore, it is necessary to design rational power battery thermal management system, protect
Card power battery works in rational temperature and temperature range, so as to improve the performance of battery pack, extends the service life of battery pack,
And ensure that electric automobile is run with security and stability.Equidistant parallel air cooling system has that cost is low, advantages of simple structure and simple, is
One of current most common battery thermal management system.However, since the limitation of system structure, equidistant parallel air cooling system are difficult
To ensure the uniformity of each battery cooling condition, cause battery pack that there is the larger temperature difference, it is difficult to meet power battery pack just
The requirement often to work.
The content of the invention
The purpose of the present invention is in view of the deficiencies of the prior art, in order to improve the problem of temperature difference is big in power battery pack, carry
A kind of T-shaped runner air cooling system of non-equidistant for power battery pack heat dissipation is supplied.
The purpose of the present invention can be achieved through the following technical solutions：
It is a kind of for power battery pack heat dissipation the T-shaped runner air cooling system of non-equidistant, the system comprises inducer,
Import deflector, coolant flow channel, outlet deflector, outlet section and power battery pack, import deflector are parallel with outlet deflector
The both sides up and down that a determining deviation is kept with power battery pack are distributed in, the spacing forms air flow channel up and down respectively, with power
The perpendicular relation of coolant flow channel that spacing in battery pack between each neighboring unit cell is formed, the coolant flow channel are mutually flat
OK, spacing is unequal, inducer and import deflector vertical connection, and outlet section is parallel with outlet deflector to be connected, inducer and
The perpendicular relation of outlet section, after air enters the lower air flow channel of import deflector arrival by inducer, is oppressed by import deflector
Into the coolant flow channel vertical with lower air flow channel, after coolant flow channel reaches upper air flow channel, and in the pressure of outlet deflector
Through being flowed out by outlet section after convergence under compeling.
Further, the inducer and outlet section are located at the both sides of power battery pack respectively, and inducer is led positioned at import
The centre position of flowing plate side, parallel with the direction of coolant flow channel, outlet section is located at the marginal position of outlet deflector side, with
The direction of coolant flow channel is vertical, and inducer and outlet section are mutually perpendicular to.
Further, the coolant flow channel is according to by being respectively first, second away from outlet section to outlet section direction ...
The spacing of n-th coolant flow channel, first coolant flow channel and I NT (N/3)+1 coolant flow channel is equal, and wherein INT is rounding
Function ,+2 coolant flow channels of I NT (N/3) are equal with the spacing of n-th coolant flow channel, and the former runner spacing is flowed more than the latter
Road spacing.
Compared with prior art, the present invention having the following advantages that and beneficial effect：
The T-shaped runner air cooling system of non-equidistant for being used for power battery pack heat dissipation of the present invention and equidistant runner cooling system
System is compared, and the design of non-equidistant runner changes distribution of the runner spacing between different batteries, does not increase the total of cooling system
Body volume, and non-equidistant runner changes distribution of the pressure drop in different coolant flow channels, but do not influence between inlet and outlet
Overall presure drop, therefore the not power consumption of increase driving cooling working medium, while reduce the difference of flow in coolant flow channel, ensure power
The uniformity of radiating condition between battery, so as to reduce the hot(test)-spot temperature of power battery pack, reduces the temperature difference of battery pack.
Brief description of the drawings
Fig. 1 is a kind of three-dimensional knot of T-shaped runner air cooling system of non-equidistant for power battery pack heat dissipation of the present invention
Structure schematic diagram.
Fig. 2 is a kind of front view of T-shaped runner air cooling system of non-equidistant for power battery pack heat dissipation of the present invention.
Fig. 3 is the front view for the T-shaped runner air cooling system that the embodiment of the present invention is used for power battery pack heat dissipation.
Wherein, 1- inducers, 2- import deflectors, 3- coolant flow channels, 4- outlets deflector, 5- outlet sections, 6- power electrics
Pond group.
Embodiment
With reference to embodiment and attached drawing, the present invention is described in further detail, but embodiments of the present invention are unlimited
In this.
Embodiment：
A kind of T-shaped runner air cooling system of non-equidistant for power battery pack heat dissipation is present embodiments provided, it is described
The dimensional structure diagram of system as shown in Figure 1, front view as shown in Fig. 2, including inducer (1), import deflector (2), cold
But runner (3), outlet deflector (4), outlet section (5) and power battery pack (6), import deflector (2) and outlet deflector (4)
Parallel distribution is keeping the both sides up and down of a determining deviation with power battery pack (6), and the spacing forms air flow channel up and down respectively,
Coolant flow channel (3) perpendicular relation that spacing between each neighboring unit cell in power battery pack (6) is formed, the cooling
Runner (3) is parallel to each other, and spacing is unequal, inducer (1) and import deflector (2) vertical connection, outlet section (5) and outlet guide
Flowing plate (4) is parallel to be connected, and inducer (1) and outlet section (5) perpendicular relation, air enter import deflector by inducer (1)
(2) after reaching lower air flow channel, oppressed by import deflector (2) and enter the coolant flow channel (3) vertical with lower air flow channel, through cold
But in runner (3) arrival after air flow channel, and pass through after being converged under the compressing of outlet deflector (4) and flowed out by outlet section (5).
Wherein, the inducer (1) and outlet section (5) are located at the both sides of power battery pack (6), inducer (1) position respectively
Parallel with the direction of coolant flow channel (3) in the centre position of import deflector (2) side, outlet section (5) is positioned at outlet deflector
(4) marginal position of side, vertical with the direction of coolant flow channel (3), inducer (1) and outlet section (5) are mutually perpendicular to.
The spacing of coolant flow channel simultaneously differs, and the runner spacing close to outlet section (5) is smaller, remaining is away from outlet section (5)
Runner spacing it is larger, specifically, the coolant flow channel (3) according to by being respectively to outlet section (5) direction away from outlet section (5)
The spacing of first, second ... n-th coolant flow channel, first coolant flow channel and I NT (N/3)+1 coolant flow channel is equal,
Wherein INT is bracket function, and+2 coolant flow channels of I NT (N/3) are equal with the spacing of n-th coolant flow channel, and less than above
The spacing of I NT (N/3)+1 coolant flow channel.
Consider the T-shaped runner air cooling system for being used for power battery pack heat dissipation as shown in Figure 3, system inlets section width
winWith outlet section width woutSize be 20mm, battery size is 16mm × 65mm × 151mm, and battery number is 12, electricity
Gap between pond forms 13 coolant flow channels；For equidistant system, coolant flow channel spacing is 3mm；For non-equidistantly system
System, the spacing of the 1st to the 5th coolant flow channel is 3.5mm, and the 6th to the 13rd coolant flow channel spacing is 2.6875mm；Battery it is close
Spend for 2700kg/m3, its thermal capacitance is 900J/ (kgK), and thermal conductivity is 240W/ (mK), and heat production intensity is 41408W/m3；Into
The cooling air temperature for entering system is 300K, flow 0.012m3/s。
The temperature that method for numerical simulation calculates equidistant cooling system and the non-equidistantly cooling system of the present invention is respectively adopted
.By result of calculation it can be found that the battery pack hot(test)-spot temperature of equidistant cooling system and the non-equidistantly cooling system of the present invention
Respectively 317.3K and 315.5K, the battery pack hot(test)-spot temperature of the non-equidistantly cooling system of the present invention are cold compared to conventional structure
But system have dropped 1.8K；Traditional cooling system is respectively with the non-equidistantly corresponding battery pack temperature difference of cooling system of the present invention
6.9K and 4.4K, the battery temperature difference of the invention reduce 36%.The case verification present invention is to improving the energy of battery pack temperature
Power.
The above, is only patent preferred embodiment of the present invention, but the protection domain of patent of the present invention is not limited to
This, any one skilled in the art is in the scope disclosed in patent of the present invention, the skill of patent according to the present invention
Art scheme and its patent of invention design are subject to equivalent substitution or change, belong to the protection domain of patent of the present invention.
Claims (3)
- A kind of 1. T-shaped runner air cooling system of non-equidistant for power battery pack heat dissipation, it is characterised in that：The system bag Include inducer, import deflector, coolant flow channel, outlet deflector, outlet section and power battery pack, import deflector and outlet guide Flowing plate parallel distribution is keeping the both sides up and down of a determining deviation with power battery pack, and the spacing forms air stream up and down respectively The perpendicular relation of coolant flow channel that spacing in road, with power battery pack between each neighboring unit cell is formed, the cooling stream Road is parallel to each other, and spacing is unequal, inducer and import deflector vertical connection, and outlet section is parallel with outlet deflector to be connected, Inducer and the perpendicular relation of outlet section, after air enters the lower air flow channel of import deflector arrival by inducer, are led by import Flowing plate compressing enters the coolant flow channel vertical with lower air flow channel, after coolant flow channel reaches upper air flow channel, and in outlet guide Through being flowed out by outlet section after being converged under the compressing of flowing plate.
- 2. a kind of T-shaped runner air cooling system of non-equidistant for power battery pack heat dissipation according to claim 1, its It is characterized in that：The inducer and outlet section are located at the both sides of power battery pack respectively, and inducer is located at import deflector side Centre position, it is parallel with the direction of coolant flow channel, outlet section positioned at outlet deflector side marginal position, with coolant flow channel Direction it is vertical, inducer and outlet section are mutually perpendicular to.
- 3. a kind of T-shaped runner air cooling system of non-equidistant for power battery pack heat dissipation according to claim 1, its It is characterized in that：The coolant flow channel is according to by being respectively first, second away from outlet section to outlet section direction ..., and n-th cools down The spacing of runner, first coolant flow channel and I NT (N/3)+1 coolant flow channel is equal, and wherein INT is bracket function, I NT (N/3)+2 coolant flow channels are equal with the spacing of n-th coolant flow channel, and the former runner spacing is more than the latter's runner spacing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711094459.2A CN108023139A (en) | 2017-11-09 | 2017-11-09 | The T-shaped runner air cooling system of non-equidistant for power battery pack heat dissipation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711094459.2A CN108023139A (en) | 2017-11-09 | 2017-11-09 | The T-shaped runner air cooling system of non-equidistant for power battery pack heat dissipation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108023139A true CN108023139A (en) | 2018-05-11 |
Family
ID=62079766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711094459.2A Pending CN108023139A (en) | 2017-11-09 | 2017-11-09 | The T-shaped runner air cooling system of non-equidistant for power battery pack heat dissipation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108023139A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109088127A (en) * | 2018-08-28 | 2018-12-25 | 大连理工大学盘锦产业技术研究院 | A kind of power battery pack air-cooled radiating device and control method |
| CN109301394A (en) * | 2018-10-30 | 2019-02-01 | 华南理工大学 | A kind of L-type runner cooling system for power battery pack heat dissipation |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204905316U (en) * | 2015-08-14 | 2015-12-23 | 宁德时代新能源科技有限公司 | Heat dissipation type battery box |
| CN105552474A (en) * | 2016-02-18 | 2016-05-04 | 华南理工大学 | Circular flow air cooling heat radiation device of power batteries |
| CN207517826U (en) * | 2017-11-09 | 2018-06-19 | 华南理工大学 | For the T-shaped runner air cooling system of non-equidistant of power battery pack heat dissipation |
-
2017
- 2017-11-09 CN CN201711094459.2A patent/CN108023139A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204905316U (en) * | 2015-08-14 | 2015-12-23 | 宁德时代新能源科技有限公司 | Heat dissipation type battery box |
| CN105552474A (en) * | 2016-02-18 | 2016-05-04 | 华南理工大学 | Circular flow air cooling heat radiation device of power batteries |
| CN207517826U (en) * | 2017-11-09 | 2018-06-19 | 华南理工大学 | For the T-shaped runner air cooling system of non-equidistant of power battery pack heat dissipation |
Non-Patent Citations (2)
| Title |
|---|
| 张新强 等: ""增设通风孔的风冷式锂离子电池热管理系统数值研究"", 《新能源进展》, vol. 3, no. 6, pages 422 - 428 * |
| 白帆飞 等: ""锂离子电池组热管理系统研究现状"", 《电池》, vol. 46, no. 3, pages 168 - 171 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109088127A (en) * | 2018-08-28 | 2018-12-25 | 大连理工大学盘锦产业技术研究院 | A kind of power battery pack air-cooled radiating device and control method |
| CN109088127B (en) * | 2018-08-28 | 2023-08-18 | 大连理工大学盘锦产业技术研究院 | Air cooling and heat dissipating device of power battery pack and control method |
| CN109301394A (en) * | 2018-10-30 | 2019-02-01 | 华南理工大学 | A kind of L-type runner cooling system for power battery pack heat dissipation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20190198951A1 (en) | Battery module, traction battery pack and automobile | |
| CN205159462U (en) | A cooling plate for liquid cooling of battery package | |
| CN102709618B (en) | Microchannel cooling temperature equalizing system for ventilation of lithium battery | |
| CN106374164B (en) | A kind of lithium-ion-power cell group heat management system of the air-cooled heat dissipation in subregion | |
| CN106450093A (en) | Liquid cooling and heating control box body for cylinder power battery | |
| CN109638378B (en) | Heat management device of new energy automobile battery power system | |
| CN110994072A (en) | Parallel type multi-channel liquid cooling structure for lithium battery and lithium battery | |
| CN205016591U (en) | Battery inclusion and car thereof | |
| CN205621775U (en) | Multiple exit batteries of electric vehicle air cooling battery box of fin is equipped with | |
| CN207517826U (en) | For the T-shaped runner air cooling system of non-equidistant of power battery pack heat dissipation | |
| CN204424406U (en) | A kind of cooled plate structure being applied to electric automobile | |
| CN207690952U (en) | A kind of runner plate and square electric cell coolant circulation system | |
| CN108023139A (en) | The T-shaped runner air cooling system of non-equidistant for power battery pack heat dissipation | |
| CN205609635U (en) | Power battery heat accuse box | |
| CN105390638B (en) | Battery modules temperature difference balancer | |
| CN106953137A (en) | A kind of method of utilization hydrogel enhancing battery modules radiating | |
| CN207233914U (en) | Power battery of electric vehicle case heat exchange structure | |
| CN107968235A (en) | A kind of equidistant T-shaped runner air cooling system for power battery pack heat dissipation | |
| CN206312969U (en) | A kind of cold and hot control casing of cylinder electrokinetic cell liquid | |
| CN209001080U (en) | A kind of L-type runner cooling system for power battery pack heat dissipation | |
| CN205723860U (en) | A kind of battery modules with heat management device | |
| CN202534753U (en) | Power battery pack thermal management system | |
| CN204516872U (en) | A kind of batteries of electric automobile air classification cooling device | |
| CN207925552U (en) | A kind of rail traffic thermal-control battery module | |
| CN115528344A (en) | Topological heat exchanger for heat dissipation of lithium ion battery and heat exchange performance detection device thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |