CN110061326A - A kind of electric automobile power battery cooling device - Google Patents
A kind of electric automobile power battery cooling device Download PDFInfo
- Publication number
- CN110061326A CN110061326A CN201910422562.8A CN201910422562A CN110061326A CN 110061326 A CN110061326 A CN 110061326A CN 201910422562 A CN201910422562 A CN 201910422562A CN 110061326 A CN110061326 A CN 110061326A
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- China
- Prior art keywords
- power battery
- cooling
- carbon nanotube
- braiding
- monomer
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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
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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
- H01M10/64—Heating or cooling; Temperature control characterised by the shape of the cells
- H01M10/643—Cylindrical 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
- H01M10/653—Means for temperature control structurally associated with the cells characterised by electrically insulating or thermally conductive materials
-
- 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
-
- 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
- H01M10/6563—Gases with forced flow, e.g. by blowers
-
- 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
- H01M10/6567—Liquids
- H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
-
- 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 electric automobile power battery cooling device, which includes power battery monomer, carbon nanotube braiding cooling tube, power battery cooling unit, power battery refrigerating module, water pump, coolant liquid, radiator, liquid reserve tank, temperature sensor, controller and controllable fan etc..The technical problem to be solved is that overcome the shortcomings of existing electric automobile power battery cooling device, specifically, using carbon nanotube woven tube as the cooling tube of electric automobile power battery cooling device, so that coolant liquid is flowed through carbon nanotube braiding cooling tube and take away cell heat, realizes effective cooling to electric automobile power battery.Significance of the invention, which shows as power battery refrigerating module, can be directly mounted on electric automobile frame, eliminate traditional battery case, and structure is simple；Simultaneously because carbon nanotube is a kind of monodimension nanometer material, not only perfect heat-dissipating, and also density is low, can be effectively reduced cooling device quality using carbon nanotube braiding cooling tube, has highly important positive effect to electric car lightweight.
Description
Technical field:
The present invention provides a kind of electric automobile power battery cooling device, is related to electric automobile power battery cooling technology,
Cooling tube cooling device is woven more particularly to a kind of carbon nanotube, belongs to electric automobile power battery thermal management technology field.
Background technique
Electric car is a kind of new energy vehicle that China gives priority in recent years, and zero-emission may be implemented when driving, tool
There is energy conservation and environmental protection.Power battery is the energy of electric car, and battery temperature influences power battery performance and electric car
Continual mileage.Therefore, the electric automobile power battery type of cooling and cooling device are most important.
Currently, the type of cooling of electric automobile power battery is mainly, free air cooling, phase-change material are cooling, heat pipe is cooling and
Liquid cooling etc..Related literatures discovery is consulted, air cooling is given birth to due to of simple structure and low cost by most of automobiles
It produces enterprise to be used, but since Air Heat Transfer Coefficient is small, is influenced by ambient temperature, battery temperature is generally difficult to control
In the reasonable scope；Phase-change material cooling does not increase additional energy consumption equipment, and structure is very simple, but phase-change material heat transfer coefficient
It is low, it be easy to cause heat to gather, battery may be caused to overheat because heat cannot shed in time under extreme conditions；Heat pipe is cooling
It realizes that heat quickly conducts in the phase transition process of cold end condensation after the evaporation of hot end using medium, there is certain development potentiality,
But heat pipe wicks complex process, at high cost, it is still necessary to carry out deeply to grind for the application in electric automobile power battery cooling device
Study carefully；The cooling specific heat load of liquid is big, good cooling results, and main includes that directly contact is cooling and two kinds of sides of non-direct contact cooling
Formula, wherein directly high and nonconducting heat exchanging fluid (coolant liquid), rate of heat transfer are big, cold using the coefficient of heat transfer for the contact type of cooling
But intensity is high, but there are security risk, and the non-direct contact type of cooling is needed using common coolant liquid as heat exchanging fluid by changing
Thermal device (cooling tube, radiator etc.), makes coolant liquid flow through exchange piece and takes away cell heat, and safety is good, the disadvantage is that needing
Want additional cooling tube.Therefore, cooling Manifold technology is the key that liquid cooling and electric automobile power battery heat management system
One of key problem for needing to solve.
Summary of the invention
The object of the present invention is to provide a kind of structures simply, the electric automobile power battery cooling device of reliable performance,
Technical problems to be solved are to overcome the shortcomings of that existing electric automobile power battery cooling device is specifically compiled with carbon nanotube
Cooling tube of the pipe as electric automobile power battery cooling device is knitted, coolant liquid is made to flow through carbon nanotube braiding cooling tube and is taken away
Cell heat realizes effective cooling to electric automobile power battery.
Technical solution according to the present invention is a kind of electric automobile power battery cooling device, the cooling dress of the power battery
Set including power battery monomer, carbon nanotube braiding cooling tube, power battery cooling unit, power battery refrigerating module, water pump,
Coolant liquid, radiator, liquid reserve tank, temperature sensor, controller and controllable fan etc..It is characterized by: the power battery list
Body is the least energy unit of electric car, is related to lithium-ion-power cell monomer, Ni-MH power cell monomer etc.；The carbon is received
It is cooling passage that mitron, which weaves cooling tube, and carbon nanotube weaves cooling tube shape and can be compiled according to power battery monomer shape
It knits, angle of weave is a certain angle within the scope of 30 °~60 °；The power battery cooling unit is by power battery monomer and carbon
Nanotube weaves cooling tube composition, and power battery monomer is located inside carbon nanotube braiding cooling tube, weave cooling tube shape and
Power battery monomer shape matches；The power battery refrigerating module is made of several power battery cooling units, cooling mould
The power battery cooling unit quantity that block is included can be according to electric car practical structures flexible arrangement；The water pump is existing skill
The water pump of art, including centrifugal and axial-flow type, pump handle coolant liquid are pumped into carbon nanotube braiding cooling tube；The coolant liquid is general
Logical engine coolant or other cooling fluids, coolant liquid circulates in carbon nanotube braiding cooling tube and band is walked about
Power cell heat realizes the cooling to power battery；The radiator is the gilled radiator or plate type radiator of the prior art
Device；The liquid reserve tank stores coolant liquid, is located at cooling passage after the radiator outlet；The temperature sensor is common temperature
Sensor is spent, temperature of powered cell is measured, temperature sensor number can be set as needed；The controller is dynamic for electric car
The control unit of power battery cooling apparatus, the temperature of powered cell measured according to the temperature sensor is to the water pump and controllable
Fan is controlled, and then changes the coolant rate and controllable rotation speed of the fan to realize to the cold of electric automobile power battery
But；The controllable fan controls the radiator cooling air quantity.
The carbon nanotube braiding cooling tube is woven by carbon nanotube, and angle of weave is a certain of 30 °~60 ° ranges
Angle, establishment tube head number are greater than 2.
The power battery cooling unit includes the power battery monomer and carbon nanotube braiding cooling tube；Power
Battery cell is mounted on inside carbon nanotube braiding cooling tube, and carbon nanotube weaves cooling tube shape according to power battery monomer shape
Shape design and braiding, and match with power battery monomer shape.
The positive effect of the present invention and advantage are:
A kind of electric automobile power battery cooling device proposed by the present invention, has the positive effect that and advantage: (1) institute
Stating power battery refrigerating module can be directly mounted on electric automobile frame, eliminate traditional battery case, and structure is simple；(2)
Carbon nanotube is a kind of monodimension nanometer material, not only perfect heat-dissipating, but also density is low, can effectively be dropped as cooling tube material
Low cooling device quality has highly important positive effect to electric car lightweight；(3) with background technique in electric car
Cooling tube in power battery liquid cooling mode is compared, and carbon nanotube thermal conductivity is high, and good heat dissipation effect can be realized to power
The efficient cooling of battery, to guarantee that electric car drives safely；(4) with the power battery cooling device phase in background technique
Than, the present invention using cooling Manifold technology is woven, there is cooling high reliability, and with the development of carbon nanotube technology,
The cost of the cooling device will also have very big competitiveness.
Detailed description of the invention
Fig. 1 is electric automobile power battery cooling device schematic diagram.
Fig. 2 is that carbon nanotube weaves cooling tube schematic diagram.
Fig. 3 is power battery cooling unit schematic diagram.
Each label meaning in above-mentioned attached drawing is as follows:
1- power battery monomer；2- carbon nanotube weaves cooling tube；3- power battery cooling unit；4- power battery is cooling
Module；5- water pump；6- coolant liquid；7- radiator；8- liquid reserve tank；9- temperature sensor；10- controller；The controllable fan of 11-.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples.
As shown in Figure 1, being electric automobile power battery cooling device overall structure diagram of the invention.Electric car is dynamic
Power battery cooling apparatus includes power battery monomer (1), carbon nanotube braiding cooling tube (2)；Power battery cooling unit (3),
Power battery refrigerating module (4)；Water pump (5)；Coolant liquid (6)；Radiator (7)；Liquid reserve tank (8)；Temperature sensor (9)；Control
Device (10)；Controllable fan (11).
As shown in Figure 1.When it is implemented, the power battery monomer (1) is electric car least energy unit, it is related to lithium
Ion battery monomer, Ni-MH power cell monomer etc.；Carbon nanotube braiding cooling tube (2) woven by carbon nanotube and
At angle of weave is a certain angle within the scope of 30 °~60 °, and braiding head number is greater than 2；Power battery cooling unit (3) packet
The power battery monomer (1) and carbon nanotube braiding cooling tube (2) are included, power battery monomer (1) is mounted on carbon nanometer
Pipe weaves the inside of cooling tube (2), and carbon nanotube weaves cooling tube (2) and surround power battery monomer (1), cooling unit (3)
Carbon nanotube weaves cooling tube and is interconnected；The power battery refrigerating module (4) includes several power battery cooling units
(3), the arrangement of refrigerating module (4) can be that m arranges n according to electric automobile chassis practical structures flexible arrangement, the embodiment
Column arrangement (m=3, n=5)；Coolant liquid is pumped into carbon nanotube braiding cooling tube (2) by the water pump (5)；It is described cold
But liquid (6) circulates and takes away the heat of the power battery monomer (1) in carbon nanotube braiding cooling tube (2)；
The radiator (7) radiates to the coolant liquid (6)；The liquid reserve tank (8) is located at cold after the radiator (7) exports
But the channel of liquid (6)；The temperature sensor (9) is arranged in around the internal power battery monomer (1) of refrigerating module (4), real
Now the temperature of power battery (1) is measured, and measuring signal is transported to controller (10)；The controller (10) is electronic vapour
The control unit of vehicle power battery cooling device, the temperature according to the power battery monomer (1) that the temperature sensor (9) measures
The revolving speed of the water pump (5) and the controllable fan (11) is controlled respectively, and then changes the flow and controllable fan of coolant liquid (6)
(11) air quantity realizes the reasonable cooling to power battery.
As shown in Figure 1.When it is implemented, coolant liquid (6) is pumped into carbon nanotube braiding cooling tube (2) by water pump (5)；It is cooling
Liquid (6) absorbs the heat around power battery monomer (1) when flowing through carbon nanotube braiding cooling tube (2), enter radiator later
(7) it radiates and cools down, the coolant liquid after temperature reduces is pumped into carbon nanotube braiding cooling tube (2) again by water pump (5) to realize
Cycle operation.
As shown in Figure 1.Further, when power battery cooling device works, temperature sensor (9) measurement is described dynamic
The temperature of power battery (1), and temperature signal is transported to controller (10)；The quantity of the temperature sensor (9) is as needed
Setting；The controller (10) controls the water pump (5) and the controllable fan (11) according to the received temperature signal of institute respectively
Revolving speed, and then adjust coolant liquid (6) flow and controllable fan air quantity, realize to the reasonable cold of power battery monomer (1)
But.
As shown in Fig. 2, weaving cooling tube (2) structural schematic diagram for carbon nanotube of the invention.The carbon nanotube braiding
Cooling tube is woven by carbon nanotube, and angle of weave is a certain angle within the scope of 30 °~60 °, and carbon nanotube head number is greater than
2；When it is implemented, angle of weave and carbon nanotube braiding head number are calculated according to the actual situation.
As shown in figure 3, being power battery cooling unit (3) schematic diagram of the invention.The power battery cooling unit (3)
Including power battery monomer (1) and carbon nanotube braiding cooling tube (2)；The power battery monomer (1) is installed on the carbon and receives
It is internal that mitron weaves cooling tube (2)；Carbon nanotube braiding cooling tube (2) matches with the shape of power battery monomer (1),
And around the power battery (1).
Claims (4)
1. a kind of electric automobile power battery cooling device, including power battery monomer (1), carbon nanotube braiding cooling tube (2),
Power battery cooling unit (3), power battery refrigerating module (4), water pump (5), coolant liquid (6), radiator (7), liquid reserve tank
(8), temperature sensor (9), controller (10) and controllable fan (11).It is characterized by: power battery monomer (1) is electronic vapour
The least energy unit of vehicle is related to lithium-ion-power cell monomer, Ni-MH power cell monomer etc.；Carbon nanotube weaves cooling tube
It (2) is cooling passage, shape can be woven according to the shape of power battery monomer (1)；Power battery cooling unit (3)
It is made of power battery monomer (1) and carbon nanotube braiding cooling tube (2), power battery monomer (1) is located at carbon nanotube braiding
Cooling tube (2) is internal；Power battery refrigerating module (4) is made of several power battery cooling units (3), in refrigerating module (4)
The quantity of power battery cooling unit (3) can be according to electric car practical structures flexible arrangement；Water pump (5) is the water of the prior art
Pump；Coolant liquid (6) is common engine coolant liquid or other cooling fluids, and coolant liquid (6) is pumped into carbon nanotube and compiled by water pump (5)
It knits cooling tube (2), coolant liquid (6) circulates and take away power battery heat in carbon nanotube braiding cooling tube (2), realizes
Cooling to power battery；Radiator (7) is the gilled radiator or panel radiator of the prior art；Liquid reserve tank (8) is located at
Behind radiator (7) outlet in cooling passage, for storing coolant liquid (6)；Temperature sensor (9) measures power battery monomer
(1) temperature, number can be set as needed；The temperature of powered cell that controller (10) is measured according to temperature sensor (9)
Water pump (5) and controllable fan (11) are controlled, and then change coolant rate and controllable rotation speed of the fan to realize to electronic
The cooling of automobile power cell；Controllable fan (11) controls radiator (7) cooling air quantity.
2. electric automobile power battery cooling device according to claim 1, it is characterised in that: carbon nanotube braiding cooling
Pipe (2) is woven by carbon nanotube, and angle of weave is a certain angle of 30 °~60 ° ranges, and establishment tube head number is greater than 2, specifically
When implementation, angle of weave and carbon nanotube braiding head number are calculated according to the actual situation.
3. electric automobile power battery cooling device according to claim 1, it is characterised in that: power battery cooling unit
It (3) include power battery monomer (1) and carbon nanotube braiding cooling tube (2)；Power battery monomer (1) is mounted on carbon nanotube volume
It is internal to knit cooling tube (2), carbon nanotube weaves cooling tube (2) shape and weaves according to power battery monomer (1) shape, and and power
Battery cell (1) shape matches, and around the power battery (1).
4. electric automobile power battery cooling device according to claim 1, it is characterised in that: power battery cooling device
When work, temperature sensor (9) measures the temperature of power battery monomer (1), and temperature signal is transported to controller (10), wherein
The quantity of temperature sensor (9) is set as needed；Controller (10) controls water pump (5) according to a received temperature signal respectively
With the revolving speed of controllable fan (11), and then adjust coolant liquid (6) flow and controllable fan (11) air quantity, realize to power electric
The reasonable cooling of pond monomer (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910422562.8A CN110061326A (en) | 2019-05-21 | 2019-05-21 | A kind of electric automobile power battery cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910422562.8A CN110061326A (en) | 2019-05-21 | 2019-05-21 | A kind of electric automobile power battery cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110061326A true CN110061326A (en) | 2019-07-26 |
Family
ID=67323870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910422562.8A Pending CN110061326A (en) | 2019-05-21 | 2019-05-21 | A kind of electric automobile power battery cooling device |
Country Status (1)
| Country | Link |
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| CN (1) | CN110061326A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021165019A1 (en) * | 2020-02-20 | 2021-08-26 | Rwe Generation Se | Grid stabiliziation of electrical grids by means of temperature-controlled electrical stores |
| CN115000581A (en) * | 2022-08-03 | 2022-09-02 | 烟台宏瑞汽车有限责任公司 | Electric automobile battery box that possesses temperature control system |
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| CN109244528A (en) * | 2018-08-31 | 2019-01-18 | 中国电力科学研究院有限公司 | A kind of lithium ion battery energy-storage module |
| CN109301115A (en) * | 2018-10-08 | 2019-02-01 | 马鞍山沐及信息科技有限公司 | A kind of new energy car battery water cooling casing |
| CN208460919U (en) * | 2018-01-05 | 2019-02-01 | 南京知行新能源汽车技术开发有限公司 | Charging equipment and vehicle |
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2019
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107204497A (en) * | 2016-03-17 | 2017-09-26 | 通用汽车环球科技运作有限责任公司 | Battery pack system including polymer |
| CN208460919U (en) * | 2018-01-05 | 2019-02-01 | 南京知行新能源汽车技术开发有限公司 | Charging equipment and vehicle |
| CN109244528A (en) * | 2018-08-31 | 2019-01-18 | 中国电力科学研究院有限公司 | A kind of lithium ion battery energy-storage module |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021165019A1 (en) * | 2020-02-20 | 2021-08-26 | Rwe Generation Se | Grid stabiliziation of electrical grids by means of temperature-controlled electrical stores |
| CN115000581A (en) * | 2022-08-03 | 2022-09-02 | 烟台宏瑞汽车有限责任公司 | Electric automobile battery box that possesses temperature control system |
| CN115000581B (en) * | 2022-08-03 | 2022-11-04 | 烟台宏瑞汽车有限责任公司 | Electric automobile battery box that possesses temperature control system |
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Application publication date: 20190726 |
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