CN108321449A - Heat management optimization system and heat management optimization method for power battery pack - Google Patents
Heat management optimization system and heat management optimization method for power battery pack Download PDFInfo
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- CN108321449A CN108321449A CN201810182083.9A CN201810182083A CN108321449A CN 108321449 A CN108321449 A CN 108321449A CN 201810182083 A CN201810182083 A CN 201810182083A CN 108321449 A CN108321449 A CN 108321449A
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- threeway
- water valve
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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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/486—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring 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
- H01M10/61—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
- H01M10/65—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
- H01M10/6567—Liquids
-
- 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 invention discloses a kind of heat management optimization systems for power battery pack, including function pipe, inlet and liquid outlet, the function pipe is for being cooled down or being heated to power battery pack, it further include liquid flow control system, the liquid flow control system includes distributor pipe, water valve and threeway, the distributor pipe is separately connected inlet and liquid outlet, and the distributor pipe is connected to function pipe by threeway and water valve, and the liquid in control function pipe flow to it is reversible.The invention discloses the heat management optimization methods based on above-mentioned heat management optimization system simultaneously.The heat management optimization system of the present invention can realize that direction-agile of the liquid in pipeline, liquid can be flowed or counterclockwise be flowed clockwise.The heat management optimization system of the present invention can effectively promote the efficiency of heat management system, promote the temperature consistency inside entire battery pack.
Description
Technical field
The invention belongs to cooling field, the heat management optimization system and heat management for power battery pack are more particularly related to
Optimization method.
Background technology
The energy source of electric vehicle is mainly the power battery pack loaded with vehicle.Since battery is in use to environment temperature
Degree has very high requirement, best operating temperature generally to require in 20 C.But the actual working environment of electric vehicle, minimum temperature meeting
Down to -40C, environment temperature can arrive 60C when high temperature.Therefore a set of heat management system can be equipped with battery pack.Existing heat management
Water pipe arrangement in system as shown in Figure 1, the water circuit system of heat management there are one inlet 100 and a liquid outlet 200.The water
The course of work and disadvantage on road are as follows：
When needing to cool down battery pack, cold water can be flowed into along the inlet in Fig. 1, after flowing through entire backpack body, by going out
Liquid mouth flows out.Water inlet pipe position in Fig. 1, the water temperature of inflow are low；During the battery backpack body cooling flowed through is given in water route, water is certainly
The temperature of body can be increased constantly, arrive the position of liquid outlet, and water temperature is up to highest.Path that is corresponding, being flowed through along water route,
The cooling effect of battery pack can be declined in gradient.
When needing to heat battery pack, hot water can be flowed into along the inlet in Fig. 1, after flowing through entire backpack body,
It is flowed out by liquid outlet.The water temperature of water inlet pipe position in Fig. 1, inflow is high；During the battery backpack body heating flowed through is given in water route,
The temperature of water itself can be reduced constantly, arrive the position of liquid outlet, water temperature is up to minimum.It is corresponding, it is flowed through along water route
Path can decline the heating effect of battery pack in gradient.
Invention content
, goal of the invention.
The present invention proposes a kind of heat management optimization system for power battery pack, can effectively be promoted in entire battery pack
The temperature consistency in portion.
, the technical solution adopted in the present invention.
The present invention proposes a kind of heat management optimization system for power battery pack, including function pipe, inlet and goes out
Liquid mouth, the function pipe further include liquid flow control system, the liquid for power battery pack to be cooled down or heated
Flow control system includes distributor pipe, water valve and threeway, and the distributor pipe is separately connected inlet and liquid outlet, the distributor pipe
Be connected to function pipe by threeway and water valve, and the liquid in control function pipe flow to it is reversible.
Preferably, after water valve control flows t minutes in the direction of the clock according to the liquid in function pipe, then by side counterclockwise
To flowing t minutes, then flows t minutes, move in circles in the direction of the clock again.
Preferably, the t value ranges are -60 minutes 5 seconds.
Preferably, the distributor pipe is closing pipe line, and there are four the threeways, respectively the first threeway, the second threeway, the
Three threeways, the 4th threeway, there are four the water valves, respectively the first water valve, the second water valve, third water valve, the 4th water valve, described
Distributor pipe is connect by the first threeway with inlet, is connect with one end of function pipe by the second threeway, by third threeway with
The other end of function pipe connects, and is connect with liquid outlet by the 4th threeway, on the distributor pipe between the first threeway and the second threeway
Equipped with the first water valve, the distributor pipe between the first threeway and third threeway is equipped with the second water valve, the 4th threeway and the second threeway
Between distributor pipe be equipped with third water valve, distributor pipe between the 4th threeway and third threeway is equipped with the 4th water valve.
Preferably, the water valve is the solenoid valve with control port.
Preferably, the distributor pipe is open pipeline, and there are three the threeways, respectively the first threeway, the second threeway, the
Three threeways, there are four the water valves, and respectively the first water valve, the second water valve, third water valve, the 4th water valve, the liquid outlet have
Two, respectively the first liquid outlet and the second liquid outlet, described distributor pipe one end are connect with the first threeway, and the first threeway is in addition
Two outlets are connected respectively to one end of the first liquid outlet and function pipe, and distributor pipe stage casing is connected by the second threeway and inlet
It connects, the distributor pipe other end is connect with third threeway, other two outlet of third threeway is connected respectively to the second liquid outlet and work(
The other end of energy pipe, is equipped with the second water valve, between the first threeway and the second threeway between the first liquid outlet and the first threeway
Distributor pipe is equipped with the first water valve, and distributor pipe between the second threeway and third threeway is equipped with third water valve, third threeway with
The 4th water valve is equipped between second liquid outlet.
Preferably, the water valve is the solenoid valve with control port.
The invention also discloses a kind of heat management optimization methods for power battery pack, are optimized based on above-mentioned heat management
System realizes that step includes：
（1）When initial, heat management optimization system does not start, and all water valves are turned off.
（2）When heat management optimization system starts, the first water valve and the controlled system conducting of the 4th water valve, the second water valve and third
Water valve remains turned-off；The liquid in pipeline is in counterclockwise flowing at this time；
（3）After the t times, the second water valve and the controlled system conducting of third water valve, the first water valve and the 4th water valve are closed；At this time
Liquid in pipeline is in flowing clockwise；
（4）After the 2t times, the first water valve and the 4th water valve are controlled system conducting again, and the second water valve and third water valve close
It closes；The liquid in pipeline is in counterclockwise flowing at this time；
（5）Repeat step（3）With（4）, until heat management optimization system is stopped.
, the present invention caused by technique effect.
（1）The heat management optimization system of the present invention can realize that direction-agile of the liquid in pipeline, liquid can clockwises
It flows or counterclockwise flows in direction.
（2）The heat management optimization system of the present invention can effectively promote the efficiency of heat management system, promote entire battery
Temperature consistency inside packet.
Description of the drawings
Fig. 1 is the heat management system structure schematic diagram of the prior art.
Fig. 2 is the structural schematic diagram of the heat management optimization system of embodiment 1.
Fig. 3 is the counter clockwise direction flow cavitation result schematic diagram of embodiment 1.
Fig. 4 is the clockwise direction flow cavitation result schematic diagram of embodiment 1.
Fig. 5 is the structural schematic diagram of the heat management optimization system of embodiment 2.
Fig. 6 is that the counter clockwise direction liquid of embodiment 2 flows to control schematic diagram.
Fig. 7 is that the clockwise direction liquid of embodiment 2 flows to control schematic diagram.
Fig. 8 is fluid path management and controlling tactics of the present invention.
Fig. 9 is that water route manages control system figure.
Reference sign：Function pipe 1, inlet 2, liquid outlet 3, distributor pipe 4, the first threeway 5, the second threeway 6, third
Threeway 7, the 4th threeway 8, the first water valve KL1, the second water valve KR2, third water valve KR1, the 4th water valve KL2.
Specific implementation mode
Embodiment 1
This is used for the heat management optimization system of power battery pack, including function pipe 1, inlet 2 and liquid outlet 3, the function pipe 1
Further include liquid flow control system for being cooled down or being heated to power battery pack, the liquid flow control system packet
Include distributor pipe 4, water valve and threeway, the distributor pipe is separately connected inlet 2 and liquid outlet 3, the distributor pipe by threeway and
Water valve is connected to function pipe, and the liquid in control function pipe flow to it is reversible.The wherein described distributor pipe be closing pipe line, described three
There are four logical, respectively the first threeway 5, the second threeway 6, third threeway 7, the 4th threeway 8, there are four the water valves, respectively
First water valve KL1, the second water valve KR2, third water valve KR1, the 4th water valve KL2, are the solenoid valve with control port, described point
Stringing 4 is connect by the first threeway with inlet 2, is connect with one end of function pipe 1 by the second threeway, by third threeway with
The other end of function pipe 1 connects, and is connect with liquid outlet 3 by the 4th threeway, the distribution between the first threeway 5 and the second threeway 6
Pipe is equipped with the first water valve KL1, and the distributor pipe between the first threeway 5 and third threeway 7 is equipped with the second water valve, the 4th threeway 8
Distributor pipe between the second threeway 6 is equipped with third water valve KR1, is set on the distributor pipe between the 4th threeway 8 and third threeway 7
There is the 4th water valve KL2.
This is used for the control strategy of the heat management optimization system of power battery pack, is executed according to the control sequential of Fig. 8.
1. when initial, heat management optimization system does not start, all solenoid valves are turned off.
2. when heat management starts, the controlled system conducting of solenoid valve KL1 and KL2, solenoid valve KR1 and KR2 are remained turned-off；At this time
Liquid flow direction in pipeline as shown in figure 3, liquid is in counterclockwise flowing, imitate by battery pack inside left part cooling/heating
Fruit is better than right side；
3. after the t times, the controlled system conducting of solenoid valve KR1 and KR2, solenoid valve KL1 and KL2 are closed；At this time in pipeline
Liquid flows to as shown in figure 4, liquid in flowing clockwise, and battery pack inner right side part cooling/heating effect is better than a left side
Side；
4. after the 2t times, solenoid valve KL1 and KL2 are controlled system conducting again, and solenoid valve KR1 and KR2 are closed；Pipeline at this time
In liquid flow direction again as shown in figure 3, liquid in counterclockwise flow, battery pack inside left part cooling/heating effect
Fruit is better than right side；
Loop control is so carried out, the consistency of cooling/heating effect in power battery pack is effectively promoted.
The value range of t can be very wide in range, all feasible from -60 minutes 5 seconds.The value of t is shorter, then battery pack reaches balance
The time of temperature is shorter, but the keying of solenoid valve simultaneously is too frequent, first, electricity is expended, second is that being easy to be out of order；The value of t is got over
Long, then the keying interval duration of solenoid valve is also grown, and is saved electricity, is prolonged the service life, but battery pack reaches equilibrium temperature simultaneously
Time it is longer.Therefore it integrates, value 10 minutes is most suitable when actual use.
Embodiment 2
This is used for the heat management optimization system of power battery pack, including function pipe 1, inlet 2 and liquid outlet, the function pipe 1
Further include water flow control system for being cooled down or being heated to power battery pack, the water flow control system includes distributor pipe
4, water valve and threeway, the distributor pipe are separately connected inlet and liquid outlet, and the distributor pipe is connected to by threeway and water valve
Function pipe, and the liquid in control function pipe flow to it is reversible.The distributor pipe is open pipeline, and there are three the threeways, respectively
For the first threeway 5, the second threeway 6, third threeway 7, there are four the water valves, respectively the first water valve KL1, the second water valve KR2,
Third water valve KR1, the 4th water valve KL2 are the solenoid valve with control port, and there are two the liquid outlets, and respectively first goes out
Liquid mouth 3 and the second liquid outlet 9,4 one end of the distributor pipe are connect with the first threeway 5, other two outlet difference of the first threeway 5
It is connected to one end of the first liquid outlet 3 and function pipe 1,4 stage casing of distributor pipe is connect by the second threeway 6 with inlet 2, distributor pipe
4 other ends are connect with third threeway 7, other two outlet of third threeway 7 is connected respectively to the second liquid outlet 9 and function pipe 1
The other end, between the first liquid outlet 3 and the first threeway 5 be equipped with the second water valve KR2, between the first threeway 5 and the second threeway 6
Distributor pipe be equipped with the first water valve KL1, distributor pipe between the second threeway 6 and third threeway 7 is equipped with third water valve KR1,
The 4th water valve KL2 is equipped between third threeway 7 and the second liquid outlet 9.
This is used for the control strategy of the heat management optimization system of power battery pack, is executed according to the control sequential of Fig. 8.
1. when initial, heat management system does not start, all solenoid valves are turned off
2. when heat management starts, the controlled system conducting of solenoid valve KL1 and KL2, solenoid valve KR1 and KR2 are remained turned-off；Pipeline at this time
In liquid flow direction as shown in fig. 6, liquid is in counterclockwise flowing, battery pack inside left part cooling/heating effect is excellent
In right side；
3. after the t times, the controlled system conducting of solenoid valve KR1 and KR2, solenoid valve KL1 and KL2 are closed；At this time in pipeline
Liquid flows to as shown in fig. 7, liquid in flowing clockwise, and battery pack inner right side part cooling/heating effect is better than a left side
Side；
4. after the 2t times, solenoid valve KL1 and KL2 are controlled system conducting again, and solenoid valve KR1 and KR2 are closed；Pipeline at this time
In liquid flow direction again as shown in fig. 6, liquid in counterclockwise flow, battery pack inside left part cooling/heating effect
Fruit is better than right side；
Loop control is so carried out, the consistency of cooling/heating effect in power battery pack is effectively promoted.
The realization of the control sequential of Fig. 8 can be realized by the water route management control system of Fig. 9.The fluid path management control
System processed includes：
1. signal processing circuit：It may be coupled in battery pack and be distributed in the temperature sensor of different location, for acquiring a point
Temperature information；
2. power unit：The power supply being connected on vehicle, for being carried to all electrical equipments in fluid path management control system
For energy；
3. power-switching circuit part：It, which is inputted, is connected to power supply, and output is connected to signal processing circuit and central processing unit.
Its effect is, after carrying out voltage transformation to power supply, is provided for signal processing circuit and central processing unit and meets its voltage and want
The energy asked.
4. central processor section：It is connected to signal processing circuit and driving circuit for electromagnetic valve.Its effect is, read from
The temperature information that signal processing circuit transmits, and according to the temperature information situation, in conjunction with the control strategy of heat management, output
Control signal is given to driving circuit for electromagnetic valve.Such as according to time parameter method output as Fig. 8 control signal.
5. driving circuit for electromagnetic valve part：It is connected to power supply, central processing unit is connected externally to the control terminal of solenoid valve.
Its effect is the control signal sent out according to central processing unit, when needing to carry out conducting operation to solenoid valve, by solenoid valve
Control terminal is connected to power end, to which drive magnetic valve is connected；When needing to carry out shutoff operation to solenoid valve, deenergization pair
The energy at solenoid valve control end, to close solenoid valve.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, it is other it is any without departing from the spirit and principles of the present invention made by changes, modifications, substitutions, combinations, simplifications,
Equivalent substitute mode is should be, is included within the scope of the present invention.
Claims (8)
1. a kind of heat management optimization system for power battery pack, including function pipe, inlet and liquid outlet, the function pipe
For being cooled down or being heated to power battery pack, it is characterised in that：Further include liquid flow control system, the liquid flow direction
Control system includes distributor pipe, water valve and threeway, and the distributor pipe is separately connected inlet and liquid outlet, and the distributor pipe passes through
Threeway and water valve are connected to function pipe, and the liquid in control function pipe flow to it is reversible.
2. the heat management optimization system according to claim 1 for power battery pack, it is characterised in that：Water valve control is pressed
It after flowing t minutes in the direction of the clock according to the liquid in function pipe, then flows counterclockwise t minutes, then presses up time again
Needle direction is flowed t minutes, is moved in circles.
3. the heat management optimization system according to claim 2 for power battery pack, it is characterised in that：The t values
Ranging from -60 minutes 5 seconds.
4. the heat management optimization system according to claim 1 or 2 for power battery pack, it is characterised in that：Described point
Stringing is closing pipe line, and there are four the threeways, respectively the first threeway, the second threeway, third threeway, the 4th threeway, described
There are four water valves, respectively the first water valve, the second water valve, third water valve, the 4th water valve, the distributor pipe by the first threeway with
Inlet connects, and is connect with one end of function pipe by the second threeway, is connect with the other end of function pipe by third threeway, leads to
It crosses the 4th threeway to connect with liquid outlet, the distributor pipe between the first threeway and the second threeway is equipped with the first water valve, the first threeway
Distributor pipe between third threeway is equipped with the second water valve, and the distributor pipe between the 4th threeway and the second threeway is equipped with third
Water valve, the distributor pipe between the 4th threeway and third threeway are equipped with the 4th water valve.
5. the heat management optimization system according to claim 4 for power battery pack, it is characterised in that：The water valve is
Solenoid valve with control port.
6. the heat management optimization system according to claim 4 for power battery pack, it is characterised in that：The distributor pipe
For open pipeline, there are three the threeways, and respectively the first threeway, the second threeway, third threeway, there are four the water valves, point
Not Wei the first water valve, the second water valve, third water valve, the 4th water valve, there are two the liquid outlets, respectively the first liquid outlet and
Two liquid outlets, described distributor pipe one end are connect with the first threeway, other two outlet of the first threeway is connected respectively to first and goes out
One end of liquid mouth and function pipe, distributor pipe stage casing are connect by the second threeway with inlet, the distributor pipe other end and third threeway
Connection, other two outlet of third threeway is connected respectively to the other end of the second liquid outlet and function pipe, in the first liquid outlet
It is equipped with the second water valve between the first threeway, distributor pipe between the first threeway and the second threeway is equipped with the first water valve, and second
Distributor pipe between threeway and third threeway is equipped with third water valve, and the 4th water is equipped between third threeway and the second liquid outlet
Valve.
7. the heat management optimization system according to claim 6 for power battery pack, it is characterised in that：The water valve is
Solenoid valve with control port.
8. a kind of heat management optimization method for power battery pack, based on the heat management optimization system described in claim 3 or 5
It realizes, step includes：
（1）When initial, heat management optimization system does not start, and all water valves are turned off；
（2）When heat management optimization system starts, the first water valve and the controlled system conducting of the 4th water valve, the second water valve and third water valve
It remains turned-off；The liquid in pipeline is in counterclockwise flowing at this time；
（3）After the t times, the second water valve and the controlled system conducting of third water valve, the first water valve and the 4th water valve are closed；At this time
Liquid in pipeline is in flowing clockwise；
（4）After the 2t times, the first water valve and the 4th water valve are controlled system conducting again, and the second water valve and third water valve close
It closes；The liquid in pipeline is in counterclockwise flowing at this time；
（5）Repeat step（3）With（4）, until heat management optimization system is stopped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810182083.9A CN108321449A (en) | 2018-03-06 | 2018-03-06 | Heat management optimization system and heat management optimization method for power battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810182083.9A CN108321449A (en) | 2018-03-06 | 2018-03-06 | Heat management optimization system and heat management optimization method for power battery pack |
Publications (1)
| Publication Number | Publication Date |
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| CN108321449A true CN108321449A (en) | 2018-07-24 |
Family
ID=62901979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810182083.9A Pending CN108321449A (en) | 2018-03-06 | 2018-03-06 | Heat management optimization system and heat management optimization method for power battery pack |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113224418A (en) * | 2021-04-25 | 2021-08-06 | 长安大学 | Power battery reciprocating flow cooling system with rotary valve and control method |
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| CN207896234U (en) * | 2018-03-06 | 2018-09-21 | 苏州正力蔚来新能源科技有限公司 | Heat management optimization system for power battery pack |
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| JP2007087779A (en) * | 2005-09-22 | 2007-04-05 | Corona Corp | Fuel cell system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113224418A (en) * | 2021-04-25 | 2021-08-06 | 长安大学 | Power battery reciprocating flow cooling system with rotary valve and control method |
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Address after: 215500 Building 2, No.133, Huangpujiang Road, Changshu high tech Industrial Development Zone, Suzhou, Jiangsu Province Applicant after: Suzhou Zhengli New Energy Technology Co., Ltd. Address before: 215500 2, Huangpu River Road, Changshou City high tech Industrial Development Zone, Suzhou, Jiangsu, China, 59 Applicant before: Suzhou is a new energy science and technology limited company |