CN206558649U - A kind of cooling system of lithium-ion-power cell group - Google Patents
A kind of cooling system of lithium-ion-power cell group Download PDFInfo
- Publication number
- CN206558649U CN206558649U CN201720242451.5U CN201720242451U CN206558649U CN 206558649 U CN206558649 U CN 206558649U CN 201720242451 U CN201720242451 U CN 201720242451U CN 206558649 U CN206558649 U CN 206558649U
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- China
- Prior art keywords
- battery pack
- cooling
- power
- sensor
- heat exchanger
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Classifications
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- 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 utility model discloses a kind of cooling system of lithium-ion-power cell group, including power battery pack and two cooling circuits, a control circuits, the battery pack two ends are respectively equipped with a coolant inlet and a cooling liquid outlet, every cooling circuit flows through heat exchanger, water tank and water pump by the cooling liquid outlet of side and back flowed back into by coolant inlet in the battery pack, sensor is equipped with the power battery pack, on heat exchanger, water tank, the sensor is connected with controller；The cooling system of Li-ion batteries piles of the present utility model is cooled down using the cold mode of liquid of direct contact type, and by the internal battery pack provided with two cooling circuits, reaching also makes internal battery pack temperature than more uniform while preferable cooling effect, it is not in the higher situation of the low temperature difference of the high other end temperature of battery pack one end temperature, this cooling system structure is simple, can extend the service life of power battery pack.
Description
Technical field
The utility model is related to technical field of lithium ion, more particularly to a kind of cooling system of lithium-ion-power cell group
System.
Background technology
Energy shortage and climate change make the hybrid vehicle with energy-conserving and environment-protective advantage receive global concern.It is mixed
Power vehicle is closed using fossil fuels such as electric energy substitution oil as power, battery is whole hybrid power as the carrier of electric energy
The power resources of automobile, the quality of its performance directly affects performance and the life-span of hybrid vehicle.Hybrid power vapour
In car running, battery can produce amount of heat, if heat can not be discharged in time, can make all parts temperature liter of battery
Height, more than the efficient working range of battery, has a strong impact on the efficiency and service life of battery, while bringing potential safety hazard.Tradition
Electric automobile power battery group thermal management technology mainly using air cooling, the cold two schemes of contactless liquid, both sides
There is the not good defect of cooling effect in case.
The content of the invention
The purpose of this utility model be to overcome the defect of prior art directly contacted there is provided one kind with power battery pack and
The cooling system of the preferable lithium-ion-power cell group of cooling effect, the technology of the cooling system of the lithium-ion-power cell group
What scheme was realized in：
A kind of cooling system of lithium-ion-power cell group, the cooling system includes power battery pack and two cool back
Road, a control circuit.
The battery pack that the power battery pack is made up of multiple electrokinetic cells and battery pack cooling skeleton, the battery pack
Provided with interconnected cooling duct in skeleton, a layer insulating, the battery are coated with the outside of the multiple electrokinetic cell
Group cooling framework material is made of the metal material using good heat dispersion performance, and the opposite sides of the cooling skeleton is respectively equipped with
One coolant inlet and a cooling liquid outlet, i.e. one end are simultaneously provided with coolant inlet and cooling liquid outlet.
The coolant uses water.
Preferably, the cooling framework material can use aluminum metallic material.
Two cooling circuits by the cooling liquid outlet of one end and flow through heat exchanger, water tank and water pump and flowed again respectively
Enter described in the coolant inlet of the other end in power battery pack.
Temperature sensor is additionally provided with the power battery pack, the heat exchanger is provided with power sensor, the water tank
Provided with water level detecting sensor, above-mentioned all the sensors are connected with controller.
The temperature sensor is used to measure the temperature inside the power battery pack, and the power sensor is used to measure
The power of the heat exchanger, the water level detecting sensor is used for the water level height for monitoring the water tank.
The controller can according to the temperature of power battery pack height, by adjust the heat exchanger power and
Regulation water pump finally adjusts the temperature of the power battery pack so as to reaching the flow velocity of control coolant.
The cooling system of Li-ion batteries piles of the present utility model is cooled down using the cold mode of liquid of direct contact type, and
And by the internal battery pack provided with two cooling circuits, reaching also makes internal battery pack temperature ratio while preferable cooling effect
It is more uniform, be not in the higher situation of the low temperature difference of the high other end temperature of battery pack one end temperature, the letter of this cooling system structure
It is single, it can further extend the service life of power battery pack.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model lithium-ion-power cell group cooling system.
Reference：1- lithium-ion-power cell groups, 2- temperature sensors, 10- battery pack left end cooling liquid outlets, 11-
First Heat Exchanger, the power sensors of 12- first, the water tanks of 13- first, the water level detecting sensors of 14- first, the water pumps of 15- first,
16- battery pack right-hand member coolant inlets, 20- battery pack right-hand member cooling liquid outlets, the heat exchangers of 21- second, the power sensings of 22- second
Device, the water tanks of 23- second, the water level detecting sensors of 24- second, the water pumps of 25- second, 26- battery pack left end coolant inlets, 30-
Controller, the cooling circuits of 100- first, the cooling circuits of 200- second.
Embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
A kind of cooling system of lithium-ion-power cell group, the cooling system includes power battery pack 1 and two coolings
Loop 100 and 200, a control circuit 300.
The battery pack that the power battery pack 1 is made up of multiple electrokinetic cells and battery pack cooling skeleton, the battery
Provided with interconnected cooling duct in group skeleton, a layer insulating, the electricity are coated with the outside of the multiple electrokinetic cell
Pond group cooling framework material is made of the metal material using good heat dispersion performance, and the opposite sides of the cooling skeleton is set respectively
There are a coolant inlet and a cooling liquid outlet, i.e. one end while provided with coolant inlet and cooling liquid outlet.
The coolant uses water.
Preferably, the cooling framework material can use aluminum metallic material.
Temperature sensor 2 is provided with the power battery pack 1.
First article of cooling circuit 100 out flows through First Heat Exchanger 11, the from battery pack left end cooling liquid outlet 10
One water tank 13 and the first water pump 15 are back flowed back into the battery pack 1 by battery pack right-hand member coolant inlet 16.
The Article 2 cooling circuit 100 out flows through the second heat exchanger 21, the from battery pack left end cooling liquid outlet 20
Two water tanks 23 and the second water pump 25 are back flowed back into the battery pack 1 by battery pack left end coolant inlet 26.
The First Heat Exchanger 11 is provided with the first power sensor 12, and the second heat exchanger 21 is provided with the second power sensing
Device 22, first water tank 13 is provided with the first water level detecting sensor 14, and second water tank 23 is supervised provided with the second water level
Survey sensor 24.
First power sensor 12, the second power sensor 22, the first water level detecting sensor 14, the second water level prison
Survey sensor 24 and temperature sensor 2 is connected to form control circuit 300 with the controller 30.
The temperature sensor 2 is used to measure inside the power battery pack 1 temperature, the power sensor 12 and 22
Power for measuring the heat exchanger 11 and 21, the water level detecting sensor 14 and 24 is used to monitor the water tank 13 and 23
Water level height.
The controller 30 can be according to the temperature of the power battery pack 1 height, by adjusting the He of heat exchanger 11
21 power and regulation water pump 15 and 25 finally adjust the power battery pack 1 so as to reaching the flow velocity of control coolant
Temperature.
Technology contents and technical characteristic of the present utility model have revealed that as above those skilled in the art still may base
The replacement and modification without departing substantially from the utility model essence are made in teaching of the present utility model, therefore, the utility model protection
Scope is not limited to the content disclosed in embodiment, also including various replacements and modification without departing substantially from the utility model essence.
Claims (3)
1. a kind of cooling system of lithium-ion-power cell group, it is characterised in that：The cooling system include power battery pack and
Two cooling circuits, a control circuits, the power battery pack are made up of multiple electrokinetic cells and battery pack cooling skeleton
Battery pack, provided with interconnected cooling duct in battery pack cooling skeleton, the battery pack two ends are respectively equipped with one
Individual coolant inlet and a cooling liquid outlet, every cooling circuit by the cooling liquid outlet of side flow through heat exchanger,
Water tank and water pump are back flowed back into the battery pack by coolant inlet, in the power battery pack, on heat exchanger, water tank
Provided with sensor, the sensor is connected with controller.
2. cooling system according to claim 1, it is characterised in that：The sensor of the power battery pack is used to measure institute
The temperature inside power battery pack is stated, the sensor of the heat exchanger is used on the power for measuring the heat exchanger, the water tank
Sensor be used for monitor the water tank water level height.
3. cooling system according to claim 1, it is characterised in that：The controller can be according to the power battery pack
Temperature height, by adjusting the rotating speed and regulation water pump of the heat exchanger so as to reach the flow velocity of control coolant, and finally
To adjust the temperature of the power battery pack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720242451.5U CN206558649U (en) | 2017-03-14 | 2017-03-14 | A kind of cooling system of lithium-ion-power cell group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720242451.5U CN206558649U (en) | 2017-03-14 | 2017-03-14 | A kind of cooling system of lithium-ion-power cell group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206558649U true CN206558649U (en) | 2017-10-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720242451.5U Expired - Fee Related CN206558649U (en) | 2017-03-14 | 2017-03-14 | A kind of cooling system of lithium-ion-power cell group |
Country Status (1)
| Country | Link |
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| CN (1) | CN206558649U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108638888A (en) * | 2018-05-14 | 2018-10-12 | 浙江工贸职业技术学院 | Pure electric automobile cooling system |
| CN109830625A (en) * | 2019-01-22 | 2019-05-31 | 重庆交通大学 | Cylindrical battery heat management system |
| CN110289380A (en) * | 2019-07-01 | 2019-09-27 | 武汉艾森威尔科技有限公司 | A kind of cooling device of battery protection case |
| CN112886096A (en) * | 2021-02-01 | 2021-06-01 | 河南理工大学 | Active heat management system of lithium ion power battery pack based on phase-change material |
| CN113270674A (en) * | 2020-02-17 | 2021-08-17 | 百度（美国）有限责任公司 | Battery cell holder structure with heat transfer assembly |
-
2017
- 2017-03-14 CN CN201720242451.5U patent/CN206558649U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108638888A (en) * | 2018-05-14 | 2018-10-12 | 浙江工贸职业技术学院 | Pure electric automobile cooling system |
| CN109830625A (en) * | 2019-01-22 | 2019-05-31 | 重庆交通大学 | Cylindrical battery heat management system |
| CN110289380A (en) * | 2019-07-01 | 2019-09-27 | 武汉艾森威尔科技有限公司 | A kind of cooling device of battery protection case |
| CN113270674A (en) * | 2020-02-17 | 2021-08-17 | 百度（美国）有限责任公司 | Battery cell holder structure with heat transfer assembly |
| CN112886096A (en) * | 2021-02-01 | 2021-06-01 | 河南理工大学 | Active heat management system of lithium ion power battery pack based on phase-change material |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171013 Termination date: 20210314 |
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| CF01 | Termination of patent right due to non-payment of annual fee |