CN105449309B - A kind of power battery thermal management system - Google Patents
A kind of power battery thermal management system Download PDFInfo
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- CN105449309B CN105449309B CN201510961465.8A CN201510961465A CN105449309B CN 105449309 B CN105449309 B CN 105449309B CN 201510961465 A CN201510961465 A CN 201510961465A CN 105449309 B CN105449309 B CN 105449309B
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- heat transfer
- pipe
- tube
- total pipeline
- management system
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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
- 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
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- Battery Mounting, Suspending (AREA)
Abstract
The invention discloses a kind of power battery thermal management system, feature is to include cooler, unpowered vacuum drainage device and battery case, many Battery packs are provided with battery case, heat transfer branch pipe(tube) is wound with per Battery pack, the upper end of heat transfer branch pipe(tube) is connected with unpowered vacuum drainage device, the lower end of heat transfer branch pipe(tube) is connected with cooler, and cooler is connected by the first pipeline with unpowered vacuum drainage device；Advantage is the circulation that the system realizes coolant by unpowered vacuum drainage device, compared with traditional air-cooled or water-cooling system, reduces equipment volume and shared space, reduces energy consumption so that it is compacter that the structure of electric automobile can be done；And using phase change fluid as cooling medium, because the heat-carrying density of phase change fluid is big, and phase transition temperature interval is narrower, can greatly save the circular flow of cooling medium, it also may be such that the temperature of engine cylinder-body is more permanent.
Description
Technical field
The present invention relates to the cooling heat-insulation system to electrokinetic cell in electric automobile, more particularly to a kind of electrokinetic cell heat pipe
Reason system.
Background technology
With the fast development of electric automobile, battery as one of kernel component for directly affecting electric automobile performance,
Its performance is more and more concerned, particularly lithium ion battery, has obtained good answer in electric automobile power battery group at present
With.But it is due to that lithium ion battery is very sensitive to temperature change, it is too high or too low for temperature all during use and storage
Its reliability and security performance are impacted, therefore, air-cooled or water-cooling system is all designed with existing battery pack, for pair
Battery radiates.But common air-cooled and water-cooling system is required for many equipment to be coordinated, which increase the body of cooling system
Product and power consumption, can not also meet the compact requirement of electric automobile.
The content of the invention
The technical problems to be solved by the invention be to provide it is a kind of cooling to battery can be achieved, can reduce again power consumption and
The power battery thermal management system taken up space.
The present invention solve the technical scheme that is used of above-mentioned technical problem for：A kind of power battery thermal management system, including
Many Battery packs, the battery described in every group are provided with cooler, unpowered vacuum drainage device and battery case, described battery case
On be wound with heat transfer branch pipe(tube), the upper end of described heat transfer branch pipe(tube) is connected with described unpowered vacuum drainage device, institute
The lower end for the heat transfer branch pipe(tube) stated is connected with described cooler, and described cooler is moved by the first pipeline and described nothing
Power vacuum drainage device is connected.
Described unpowered vacuum drainage device includes being fixedly installed wind in blast pipe and drainage case, described drainage case
Pipe and liquid pipe, described blast pipe are fixed and connected with the entrance point of described airduct, and first is provided with described blast pipe
In regulating valve, the lower end of the described liquid pipe of the port of export insertion of described airduct, the is provided with the tank wall of described drainage case
One air outlet and liquid outlet, described liquid outlet are fixed and connected with the upper end of described heat transfer branch pipe(tube), described liquid pipe
Upper end is connected by the first described pipeline with described cooler.
The entrance point diameter of described airduct is more than port of export diameter, it is possible to increase enters the stream pressure of liquid-in pipe lower end, makes
Obtain drainage effect more preferably.
It is provided with heat transfer total pipeline and lower heat transfer total pipeline in described battery case, the upper end of described heat transfer branch pipe(tube)
Fix and connect with described upper heat transfer total pipeline, the lower end of described heat transfer branch pipe(tube) is fixed with described lower heat transfer total pipeline to be connected
Logical, described upper heat transfer total pipeline is fixed with described liquid outlet to be connected, described lower heat transfer total pipeline by second pipe and
Described cooler is connected；Coolant enters the heat transfer branch pipe(tube) being wrapped on every Battery pack, cooling by the total pipeline that conducts heat
Or insulation speed faster, effect evenly.
The lower end of described second pipe is provided with discharging tube, described discharging tube and is provided with the second regulating valve, when need
When changing coolant, can be drained original coolant by discharging tube, and at the air outlet of drainage case or other positions add
Enter new coolant.
A kind of described power battery thermal management system, is additionally provided with insulation liquid reserve tank, described lower heat transfer total pipeline and
The lower end of described second pipe is fixed with described insulation liquid reserve tank connect respectively；It is relatively low in temperature, when automobile stops, system
Interior coolant is being incubated after absorbing heat energy because Action of Gravity Field enters in insulation liquid reserve tank, after automobile is parked in long-time
When restarting, the coolant in insulation liquid reserve tank is started the cycle over again, and heat is provided for battery.
Winding pipe is fixedly installed on described blast pipe, described winding pipe is fixed with described battery case to be connected
It is logical, side relative with described winding pipe on the 3rd regulating valve, described battery case is provided with described winding pipe
It is provided with the second air outlet；Can be to the battery in battery case while progress liquid is cold and air-cooled, faster, cooling effect is more for cooling velocity
It is good.
Described heat transfer branch pipe(tube), described upper heat transfer total pipeline and described lower heat transfer total pipeline is copper pipe.
Coolant used in the heat management system is water or phase change fluid, the phase transition temperature area of described phase change fluid
Between be 40~50 DEG C, described phase change fluid is phase change paraffin microemulsion or phase change paraffin microcapsule suspensions.
Compared with prior art, it is an advantage of the invention that the system realizes coolant by unpowered vacuum drainage device
Circulation, compared with traditional air-cooled or water-cooling system, reduces equipment volume and shared space, reduces energy consumption so that electricity
It is compacter that the structure of electrical automobile can be done；And using phase change fluid as cooling medium, because the heat-carrying of phase change fluid is close
Degree is big, and phase transition temperature interval is narrower, can greatly save the circular flow of cooling medium, also may be such that the temperature of engine cylinder-body
It is more permanent；Further, since being provided with the first regulating valve on blast pipe, air intake can be entered according to the regulation of the speed of electric automobile during traveling
The air velocity of pipe, so as to realize the regulation to coolant circulation rate so that more preferable to the cooling effect of electrokinetic cell.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the embodiment of the present invention one；
Fig. 2 is the structural representation of the unpowered vacuum drainage device of the embodiment of the present invention one；
Fig. 3 is the overall structure diagram of the embodiment of the present invention two；
Fig. 4 is the overall structure diagram of the embodiment of the present invention three.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing embodiment.
Embodiment one：As illustrated, a kind of power battery thermal management system, including cooler 3, unpowered vacuum drainage dress
Put with battery case 10, be provided with many Battery packs 1 in battery case 10, per Battery pack 1 on be wound with heat transfer branch pipe(tube) 2, battery case 10
Heat transfer total pipeline 11 and lower heat transfer total pipeline 12 are inside provided with, the upper end for the branch pipe(tube) 2 that conducts heat is fixed with upper heat transfer total pipeline 11
Connection, the lower end for the branch pipe(tube) 2 that conducts heat is fixed with lower heat transfer total pipeline 12 and connected, and unpowered vacuum drainage device includes blast pipe 6
With drainage case 7, airduct 71 and liquid pipe 72 are fixedly installed in drainage case 7, the entrance point diameter of airduct 71 is more than port of export diameter,
Blast pipe 6 is fixed and connected with the entrance point of airduct 71, and the first regulating valve 61, the port of export of airduct 71 are provided with blast pipe 6
In the lower end for inserting liquid pipe 72, the upper end of liquid pipe 72 is connected by the first pipeline 8 with cooler 3, is set on the tank wall of drainage case 7
The first air outlet 73 and liquid outlet 74 are equipped with, liquid outlet 74 is fixed with upper heat transfer total pipeline 11 and connected, and lower heat transfer total pipeline 12 leads to
Cross second pipe 9 with cooler 3 to be connected, the lower end of second pipe 9, which is provided with discharging tube 91, discharging tube 91, is provided with second
Regulating valve 92.
Embodiment two：As illustrated, a kind of power battery thermal management system, including cooler 3, unpowered vacuum drainage dress
Put with battery case 10, be provided with many Battery packs 1 in battery case 10, per Battery pack 1 on be wound with heat transfer branch pipe(tube) 2, battery case 10
Heat transfer total pipeline 11 and lower heat transfer total pipeline 12 are inside provided with, the upper end for the branch pipe(tube) 2 that conducts heat is fixed with upper heat transfer total pipeline 11
Connection, the lower end for the branch pipe(tube) 2 that conducts heat is fixed with lower heat transfer total pipeline 12 and connected, and unpowered vacuum drainage device includes blast pipe 6
With drainage case 7, airduct 71 and liquid pipe 72 are fixedly installed in drainage case 7, the entrance point diameter of airduct 71 is more than port of export diameter,
Blast pipe 6 is fixed and connected with the entrance point of airduct 71, and the first regulating valve 61, the port of export of airduct 71 are provided with blast pipe 6
In the lower end for inserting liquid pipe 72, the upper end of liquid pipe 72 is connected by the first pipeline 8 with cooler 3, is set on the tank wall of drainage case 7
The first air outlet 73 and liquid outlet 74 are equipped with, liquid outlet 74 is fixed with upper heat transfer total pipeline 11 and connected, and lower heat transfer total pipeline 12 leads to
Cross second pipe 9 with cooler 3 to be connected, the lower end of second pipe 9, which is provided with discharging tube 91, discharging tube 91, is provided with second
Winding pipe 4 is fixedly installed on regulating valve 92, blast pipe 6, winding pipe 4 is fixed with battery case 10 and connected, in winding pipe 4
It is provided with side relative with winding pipe 4 on the 3rd regulating valve 41, battery case 10 and is provided with the second air outlet 13.
Embodiment three：As illustrated, a kind of power battery thermal management system, including cooler 3, unpowered vacuum drainage dress
Put, battery case 10 and insulation liquid reserve tank 5, be provided with many Battery packs 1 in battery case 10, per Battery pack 1 on be wound with heat transfer branch pipe
Heat transfer total pipeline 11 and lower heat transfer total pipeline 12, the upper end for the branch pipe(tube) 2 that conducts heat and upper heat transfer are provided with road 2, battery case 10
Total pipeline 11 fixes connection, and the lower end for the branch pipe(tube) 2 that conducts heat is fixed with lower heat transfer total pipeline 12 and connected, unpowered vacuum drainage device
Including blast pipe 6 and drainage case 7, airduct 71 and liquid pipe 72 are fixedly installed in drainage case 7, the entrance point diameter of airduct 71 is more than
Port of export diameter, blast pipe 6 is fixed and connected with the entrance point of airduct 71, and the first regulating valve 61, airduct are provided with blast pipe 6
In the lower end of 71 port of export insertion liquid pipe 72, the upper end of liquid pipe 72 is connected by the first pipeline 8 with cooler 3, drainage case 7
Tank wall on be provided with the first air outlet 73 and liquid outlet 74, liquid outlet 74 is fixed with upper heat transfer total pipeline 11 and connected, cooler 3
On be connected with second pipe 9, the lower end of lower heat transfer total pipeline 12 and second pipe 9 is fixed with insulation liquid reserve tank 5 respectively to be connected, and is entered
Winding pipe 4 is fixedly installed on airduct 6, winding pipe 4 is fixed with battery case 10 and connected, and the 3rd is provided with winding pipe 4
The side relative with winding pipe 4 is provided with the second air outlet 13 on regulating valve 41, battery case 10.
In above-described embodiment, heat transfer branch pipe(tube) 2, upper heat transfer total pipeline 11 and lower heat transfer total pipeline 12 are copper pipe, the heat
Coolant used in management system can be water or phase change fluid, and the phase transition temperature interval of phase change fluid is 40~50 DEG C,
Can be phase change paraffin microemulsion or phase change paraffin microcapsule suspensions.
In above-described embodiment, the operation principle of this is unpowered vacuum drainage device is：Blast pipe 6 is passed outside electric automobile
Connected with ambient atmosphere, in running car, air-flow enters blast pipe 6 and is passed through in the airduct 71 of drainage case 7, due to airduct 71
The port of export insertion liquid pipe 72 lower end in, air-flow liquid pipe 72 lower end speed it is big produce pumping effect, by system
Coolant is incorporated into liquid pipe 72, and battery 1 is dropped through upper heat transfer total pipeline 11 inflow heat transfer branch pipe(tube) 2 from liquid outlet 74
Temperature or insulation, and the air-flow being passed through in drainage case 7 flows out from the first air outlet 73；The air-flow that the device is produced by motor racing
The circulation of coolant is realized, without pump consumption, with energy-saving effect, and the pump housing is not needed, reduces the volume of equipment.
Claims (6)
1. a kind of power battery thermal management system, it is characterised in that including cooler, unpowered vacuum drainage device and battery case,
It is provided with described battery case on many Battery packs, the battery described in every group and is wound with heat transfer branch pipe(tube), described heat transfer branch pipe
The upper end in road is connected with described unpowered vacuum drainage device, the lower end of described heat transfer branch pipe(tube) and described cooler
It is connected, described cooler is connected by the first pipeline with described unpowered vacuum drainage device；Described is unpowered
Vacuum drainage device includes being fixedly installed airduct and liquid pipe, described air intake in blast pipe and drainage case, described drainage case
Pipe is fixed and connected with the entrance point of described airduct, is provided with the first regulating valve on described blast pipe, described airduct
In the lower end of the described liquid pipe of port of export insertion, the first air outlet and liquid outlet, institute are provided with the tank wall of described drainage case
The liquid outlet stated is fixed and connected with the upper end of described heat transfer branch pipe(tube), and the upper end of described liquid pipe passes through the first described pipe
Road is connected with described cooler；The entrance point diameter of described airduct is more than port of export diameter；Set in described battery case
Heat transfer total pipeline and lower heat transfer total pipeline are equipped with, the upper end of described heat transfer branch pipe(tube) is fixed with described upper heat transfer total pipeline
Connection, the lower end of described heat transfer branch pipe(tube) is connected with described lower heat transfer total pipeline fixation, described upper heat transfer total pipeline and
Described liquid outlet fixes connection, and described lower heat transfer total pipeline is connected by second pipe with described cooler.
2. a kind of power battery thermal management system as claimed in claim 1, it is characterised in that the lower end of described second pipe
It is provided with discharging tube, described discharging tube and is provided with the second regulating valve.
3. a kind of power battery thermal management system as claimed in claim 1, it is characterised in that be additionally provided with insulation liquid reserve tank, institute
The lower heat transfer total pipeline stated and the lower end of described second pipe are fixed with described insulation liquid reserve tank connect respectively.
4. a kind of power battery thermal management system as claimed in claim 2 or claim 3, it is characterised in that fixed on described blast pipe
It is provided with winding pipe, described winding pipe is fixed with described battery case to be connected, the is provided with described winding pipe
The side relative with described winding pipe is provided with the second air outlet on three regulating valves, described battery case.
5. a kind of power battery thermal management system as claimed in claim 1, it is characterised in that described heat transfer branch pipe(tube), described
Upper heat transfer total pipeline and described lower heat transfer total pipeline be copper pipe.
6. a kind of power battery thermal management system as claimed in claim 1, it is characterised in that used in the heat management system
Coolant be water or phase change fluid, the phase transition temperature interval of described phase change fluid is 40~50 DEG C, described phase change fluid
For phase change paraffin microemulsion or phase change paraffin microcapsule suspensions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510961465.8A CN105449309B (en) | 2015-12-21 | 2015-12-21 | A kind of power battery thermal management system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510961465.8A CN105449309B (en) | 2015-12-21 | 2015-12-21 | A kind of power battery thermal management system |
Publications (2)
| Publication Number | Publication Date |
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| CN105449309A CN105449309A (en) | 2016-03-30 |
| CN105449309B true CN105449309B (en) | 2017-10-27 |
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| CN201510961465.8A Active CN105449309B (en) | 2015-12-21 | 2015-12-21 | A kind of power battery thermal management system |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106654446A (en) * | 2016-11-28 | 2017-05-10 | 北方工业大学 | Battery module and consumer |
| CN107883314A (en) * | 2017-10-27 | 2018-04-06 | 贵州德江韫韬科技有限责任公司 | A kind of solar street light |
| CN108215923B (en) * | 2018-02-08 | 2023-11-24 | 中国科学院电工研究所 | Electric automobile thermal management system |
| CN112151913B (en) * | 2020-10-13 | 2022-01-28 | 河南科技大学 | Power battery and cooling device and cooling method thereof |
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|---|---|---|---|---|
| CN102139646A (en) * | 2011-02-18 | 2011-08-03 | 奇瑞汽车股份有限公司 | Power battery thermal management system and control method thereof |
| CN103612570A (en) * | 2013-09-04 | 2014-03-05 | 奇瑞汽车股份有限公司 | Pure electric vehicle thermal management control system and control method thereof |
| CN104409793A (en) * | 2014-11-24 | 2015-03-11 | 东风汽车公司 | Power battery thermal management system for electric vehicle |
| US9105951B2 (en) * | 2011-06-22 | 2015-08-11 | Magna E-Car Systems Of America, Inc. | Thermal management system using a phase-change material for vehicle with electric traction motor |
| CN205319267U (en) * | 2015-12-21 | 2016-06-15 | 宁波大学 | Thermal management system for power battery |
-
2015
- 2015-12-21 CN CN201510961465.8A patent/CN105449309B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102139646A (en) * | 2011-02-18 | 2011-08-03 | 奇瑞汽车股份有限公司 | Power battery thermal management system and control method thereof |
| US9105951B2 (en) * | 2011-06-22 | 2015-08-11 | Magna E-Car Systems Of America, Inc. | Thermal management system using a phase-change material for vehicle with electric traction motor |
| CN103612570A (en) * | 2013-09-04 | 2014-03-05 | 奇瑞汽车股份有限公司 | Pure electric vehicle thermal management control system and control method thereof |
| CN104409793A (en) * | 2014-11-24 | 2015-03-11 | 东风汽车公司 | Power battery thermal management system for electric vehicle |
| CN205319267U (en) * | 2015-12-21 | 2016-06-15 | 宁波大学 | Thermal management system for power battery |
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| CN105449309A (en) | 2016-03-30 |
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