CN105932361A - Complex thermal management system of power battery pack and active control method of temperature consistency - Google Patents
Complex thermal management system of power battery pack and active control method of temperature consistency Download PDFInfo
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- CN105932361A CN105932361A CN201610541499.6A CN201610541499A CN105932361A CN 105932361 A CN105932361 A CN 105932361A CN 201610541499 A CN201610541499 A CN 201610541499A CN 105932361 A CN105932361 A CN 105932361A
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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
-
- 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
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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
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
-
- 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
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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
- H01M10/65—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
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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
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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
This invention relates to a complex thermal management system of a power battery pack. The system comprises a power battery pack, a signal inspection controller, a PCM (Pulse Code Modulation) phase-change cooler, battery air-cooling radiator, a battery liquid-cooling radiator, a heat pump air conditioner, a circulating pump, three electromagnetic control valves, four groups of temperature sensor arranged in the power battery back, and temperature sensors arranged around the power battery pack. The system has the combined thermal management ability of PCM phase-change cooling, air-cooling radiator cooling and heat pump air conditioner auxiliary cooling. This invention further relates to an active control method of temperature consistency. In the thermal management process of the power battery pack, each thermal management branch circuit is controlled to be opened or be closed through real-time judging the temperature in the battery pack and controlling the time step; thus, the temperature of the coolant flow at the inlet of the power battery pack is cooled in a ladder-shaped descending sequence; the violent temperature fluctuation caused by the large temperature difference and heat exchange between the low-temperature inlet coolant and the initial high-temperature battery pack; the temperature consistency in the battery pack during the thermal management process is improved; and the efficiency and the safety of the battery pack are ensured.
Description
Technical field
The invention belongs to electrokinetic cell field of heat management, be specifically related to a kind of power battery thermal management system and actively control
Method, particularly to a kind of power battery pack compound thermal management system and temperature consistency Active Control Method, it is adaptable to electronic
Automobile.
Background technology
Electrokinetic cell is the critical component of electric automobile, and its performance directly influences in performance and the continuation of the journey of electric automobile
Journey.Automobile running working condition is complicated and changeable, and hot environment, heavy load, moment all can cause as dispelled the heat the most not in time when accelerating and climb
Battery temperature is too high, extreme influence battery capacity, service life and safety.Therefore, electrokinetic cell is carried out timely, effective
Heat management controls just to seem and is even more important.
Liquid medium possesses higher exchange capability of heat than air dielectric, advantageously in realizing the two-way thermal control of changes in temperature and structure
Car load integrated heat pipe is managed.For large-capacity high-power power battery pack, liquid heat management technique have become as important research with
Application direction.Meanwhile, the electrochemical reaction of electrokinetic cell and internal resistance are to variations in temperature and sensitivity thereof, in battery cooling procedure,
When battery initial temperature is bigger with the cooling liquid stream temperature difference, the fluctuation of power battery pack high temperature causes each cell temperature difference
, even there is cold shock and micro-damage, thus causes the internal resistance of cell and voltage concordance to deteriorate rapidly in different rapid expansion, strengthens dynamic
Power set of cells in-fighting and thermal runaway probability, affect battery life, delivery efficiency and safety.
Therefore, ensure for realizing liquid heat exchange power battery pack heat management process temperature further, need to propose highly efficient
Power battery thermal management system, and propose corresponding battery bag heat management Active Control Method, and then promote power battery pack
Thermally controlled process temperature consistency and usefulness.
Summary of the invention
The purpose of the present invention is that for above-mentioned the deficiencies in the prior art, it is provided that a kind of power battery pack compound thermal management
System.The present invention also aims to provide the temperature consistency actively controlling party of a kind of power battery pack compound thermal management system
Method.
It is an object of the invention to be achieved through the following technical solutions, be described as follows in conjunction with accompanying drawing:
A kind of power battery pack compound thermal management system, including power battery pack 1, signal inspection controller 2, PCM phase transformation
Cooler 3, battery air-cooled radiator 4, battery fluid cold heat sink 6, heat pump air conditioner 7, circulating pump the 8, first solenoid electric valve 9,
Two solenoid electric valve the 10, the 3rd solenoid electric valves 11, first temperature sensor the 12, second temperature being arranged in power battery pack 1
Spend sensor 13, three-temperature sensor 14 and the 4th temperature sensor 15 and be arranged on the 5th around power battery pack 1
Temperature sensor 16；
Described signal inspection controller 2 is by first temperature sensor the 12, second temperature sensor the 13, the 3rd temperature sensing
Device 14, the 4th temperature sensor 15 and the 5th temperature sensor 16 receive temperature signal so that control the first solenoid electric valve 9, the
Two solenoid electric valve the 10, the 3rd solenoid electric valves 11, circulating pump 8 and the break-make of heat pump air conditioner 7；First solenoid electric valve 9, second
Solenoid electric valve 10 and the 3rd solenoid electric valve 11 control circulating fluid respectively and enter PCM Phase cooling device 3, battery wind-cooling heat dissipating
Device 4 and the open and close of battery fluid cold heat sink 6, PCM Phase cooling device 3, battery air-cooled radiator 4 and battery liquid-cooling heat radiation
Device 6 is respectively used to the cooling in high temperature power battery pack 1 first, second, and third stage；
Described battery fluid cold heat sink 6 is liquid-liquid heat exchanger, and its interior side runner is connected with heat pump air conditioner 7, opposite side
Runner is connected with power battery pack 1, and heat pump air conditioner 7 provides cold-producing medium to enter battery fluid cold heat sink 6 cooling circulation liquid stream, circulation
Pump 8 controls the flowing of circulation fluid.
The paraffin class phase-change material that melting point is 30-40 DEG C is filled in described PCM Phase cooling device 3.
Industrial paraffin is filled in described PCM Phase cooling device 3.
Also include the radiator fan 5 introducing ambient air into battery air-cooled radiator 4.
Also include the first cross valve 17 and the second cross valve 18.
The temperature consistency Active Control Method of a kind of power battery pack compound thermal management system, comprises the following steps:
A, to be arranged in power battery pack 1 first temperature sensor the 12, second temperature sensor the 13, the 3rd temperature pass
Sensor the 14, the 4th temperature sensor 15 and the 5th temperature sensor 16 real-time sampling being arranged on around power battery pack 1 are the most anti-
It is fed back to signal inspection controller 2 differentiate；
B, by first temperature sensor the 12, second temperature sensor 13, three-temperature sensor 14 and the 4th temperature sensing
Device 15 judges the mean temperature of power battery pack 1, during mean temperature≤50 DEG C, returns previous step；
C, judged ambient temperature by the 5th temperature sensor 16, during ambient temperature ＞ 30 degree, by controller 2 ON cycle
Pump 8 and the first solenoid electric valve 9, make circulating fluid enter PCM Phase cooling device 3 through the first cross valve 17 and realize heat exchange temperature drop
After, then cool down power battery pack 1；During ambient temperature≤30 degree, perform step F；
Judge the mean temperature of power battery pack 1 after D, △ T second time step, when mean temperature is less than 40 degree, close the
One solenoid electric valve 9 and circulating pump 8；When mean temperature is higher than 40 degree, closes the first solenoid electric valve 9, and open the second electromagnetism
Control valve 10；
Again judge the mean temperature of power battery pack 1 after E, △ T second time step, when mean temperature is less than 40 degree, close
Close the second solenoid electric valve 10 and circulating pump 8；When mean temperature remains above 40 degree, close the second solenoid electric valve 10, and open
3rd solenoid electric valve 11 and heat pump air conditioner 7, during until mean temperature is less than 40 degree, close the 3rd solenoid electric valve 11, circulation
Pump 8 and heat pump air conditioner 7；
When F, ambient temperature≤30 degree, by controller 2 ON cycle pump 8 and the first solenoid electric valve 9, make circulating fluid
Enter after PCM Phase cooling device 3 realizes heat exchange temperature drop through the first cross valve 17, then cool down power battery pack 1；
Judge the mean temperature of power battery pack 1 after G, △ T second time step, when mean temperature is less than 40 degree, close the
One solenoid electric valve 9 and circulating pump 8；When mean temperature is higher than 40 degree, closes the first solenoid electric valve 9, and open the second electromagnetism
Control valve 10, during until mean temperature is less than 40 degree, closes the second solenoid electric valve 10 and circulating pump 8.
In step D, E and G, the mean temperature of described power battery pack 1 is by first temperature sensor the 12, second temperature sensing
Device 13, three-temperature sensor 14 and the 4th temperature sensor 15 real-time sampling draw.
Accompanying drawing explanation
Fig. 1 is that power battery pack compound thermal of the present invention manages system schematic；
Fig. 2 is power battery pack heat management control method of the present invention and flow chart；
Fig. 3 is that heat management process of the present invention is with or without maximum temperature difference comparison diagram in step thermal-control battery bag.
In figure, 1. power battery pack 2. signal inspection controller 3.PCM Phase cooling device 4. battery air-cooled radiator
5. radiator fan 6. battery fluid cold heat sink 7. heat pump air conditioner 8. circulating pump 9. first solenoid electric valve 10. second electricity
Magnetic control valve 11. the 3rd solenoid electric valve 12. first temperature sensor 13. second temperature sensor 14. the 3rd temperature passes
Sensor 15. the 4th temperature sensor 16. the 5th temperature sensor 17. first cross valve 18. second cross valve.
Detailed description of the invention
Below in conjunction with the accompanying drawings the present invention is described in further detail:
As shown in Figure 1, a kind of power battery pack compound thermal management system, patrol and examine control including power battery pack 1, signal
Device 2, PCM Phase cooling device 3, battery air-cooled radiator 4, radiator fan 5, battery fluid cold heat sink 6, heat pump air conditioner 7, circulation
Pump the 8, first solenoid electric valve the 9, second solenoid electric valve the 10, the 3rd solenoid electric valve the 11, first cross valve the 17, second cross valve
18, first temperature sensor the 12, second temperature sensor 13 of being arranged in power battery pack 1, three-temperature sensor 14 and
4th temperature sensor 15 and the 5th temperature sensor 16 being arranged on around power battery pack 1；Described first temperature sensing
Device the 12, second temperature sensor 13, three-temperature sensor 14 and the 4th temperature sensor 15 are used for measuring in power battery pack 1
Diverse location cell body temperature, the 5th temperature sensor 16 is used for measuring ambient temperature.
Described signal inspection controller 2 is by first temperature sensor the 12, second temperature sensor the 13, the 3rd temperature sensing
Device 14, the 4th temperature sensor 15 and the 5th temperature sensor 16 receive temperature signal so that control the first solenoid electric valve 9, the
Two solenoid electric valve the 10, the 3rd solenoid electric valves 11, circulating pump 8 and the break-make of heat pump air conditioner 7.
The paraffin class phase-change material that melting point is 30-40 DEG C is filled, for high temperature power current in described PCM Phase cooling device 3
Pond group 1 first stage cools down, and battery air-cooled radiator 4 cools down for high temperature power battery pack 1 second stage, radiator fan 5
Introducing ambient air into battery air-cooled radiator 4 and realize wind-cooling heat dissipating, battery fluid cold heat sink 6 is for high temperature power battery pack 1
Phase III cools down.
Described battery fluid cold heat sink 6 is liquid-liquid heat exchanger, and interior side runner is connected with heat pump air conditioner 7, inside runner
Heat transferring medium is cold-producing medium；Opposite side runner is connected with power battery pack 1, and runner internal heat medium is glycol-cooled liquid,
Thus realize entering the glycol-cooled liquid within electric power set of cells 1 and low-temperature refrigerant heat exchange.Described heat pump air conditioner 7 carries
Entering battery fluid cold heat sink 6 cooling circulation liquid stream for low-temperature refrigerant, circulating pump 8 controls the stream of circulation fluid in heat management system
Dynamic.
Described first solenoid electric valve 9 controls circulating fluid and enters the open and close of PCM Phase cooling device 3, the second electricity
Magnetic control valve 10 controls circulating fluid and enters the open and close of battery air-cooled radiator 4, and the 3rd solenoid electric valve 11 controls to follow
Ring liquid stream enters the open and close of battery fluid cold heat sink 6.
As depicted in figs. 1 and 2, the temperature consistency Active Control Method of a kind of power battery pack compound thermal management system,
Comprise the following steps:
A, first temperature sensor the 12, second temperature sensor 13 in power battery pack 1, three-temperature sensor
14, the 4th temperature sensor 15 and the 5th temperature sensor 16 real-time sampling feed back to signal inspection controller 2 and differentiate；
B, when first temperature sensor the 12, second temperature sensor 13, three-temperature sensor 14 and the 4th temperature sensing
During device 15 mean temperature≤50 DEG C, returning previous step, first temperature sensor the 12, second temperature sensor the 13, the 3rd temperature passes
Sensor the 14, the 4th temperature sensor 15 and the 5th temperature sensor 16 continue sampling；
C, when first temperature sensor the 12, second temperature sensor 13, three-temperature sensor 14 and the 4th temperature sensing
Mean temperature ＞ 50 degree of power battery pack 1 measured by device 15, continues to differentiate ambient temperature, if the 5th temperature sensor 16 environment temperature
When degree ＞ 30 degree is in hot environment, by controller 2 ON cycle pump 8, opens the first solenoid electric valve 9 simultaneously, make circulation
Liquid stream enters after PCM Phase cooling device 3 realizes heat exchange temperature drop through the first cross valve 17, then cools down power battery pack 1；Ambient temperature
When≤30 degree, perform step F；
After D, △ T second time step, by first temperature sensor the 12, second temperature sensor 13, three-temperature sensor
14 and the 4th the real-time sampling temperature of temperature sensor 15 judge power battery pack 1 mean temperature, if mean temperature is less than 40 degree,
Then close the first solenoid electric valve 9 and circulating pump 8；If mean temperature is higher than 40 degree, then close the first solenoid electric valve 9, and open
Open the second electromagnetic valve 10；
After E, △ T second time step, by first temperature sensor the 12, second temperature sensor 13, three-temperature sensor
14 and the 4th the real-time sampling temperature of temperature sensor 15 again judge power battery pack 1 mean temperature, as mean temperature is less than
When 40 degree, close the second electromagnetic valve 10 and circulating pump 8；When remaining above 40 degree such as mean temperature, close the second electromagnetic valve 10, and open
Open the 3rd solenoid electric valve 11 and heat pump air conditioner 7, until first temperature sensor the 12, second temperature sensor the 13, the 3rd temperature
When sensor 14 and the 4th temperature sensor 15 measure the mean temperature of power battery pack 1 less than 40 degree, close the 3rd electromagnetic valve
11, circulating pump 8 and heat pump air conditioner 7；
In F, step C, if the 5th temperature sensor 16 measures ambient temperature≤30 degree when being in normal temperature environment, by controlling
Device 2 ON cycle pump 8, opens the first solenoid electric valve 9 simultaneously, makes circulating fluid enter PCM phase through the first cross valve 17 and turns cold
But after device 3 realizes heat exchange temperature drop, then power battery pack 1 is cooled down；
G, by first temperature sensor the 12, second temperature sensor 13, three-temperature sensor 14 and the 4th temperature sensing
The real-time sampling temperature of device 15, it is judged that power battery pack 1 mean temperature after △ T second time step, if mean temperature is less than 40 degree
Time, close the first solenoid electric valve 9 and circulating pump 8；During such as mean temperature higher than 40 degree, close the first solenoid electric valve 9, and open
Open the second solenoid electric valve 10, during until power battery pack 1 mean temperature is less than 40 degree, closes the second solenoid electric valve 10 and follow
Ring pump 6.
As it is shown on figure 3, as a example by a certain operating mode simulation result, relative analysis high temperature power battery pack 1 is straight with 20 degree of low temperature
Connect methods for cooling and 40,30 and 20 degree of power battery pack 1 entrances realized with this active temperature control method cool down fluid temperature
Step descending form is it can be seen that this heat management Active Control Method can realize temperature during power battery pack 1 heat management
The active of fluctuation controls, each cell temperature contrast fast in power battery pack 1 under suppression cooling rapidly and big temperature difference heat exchange
Speed deteriorates, and promotes temperature consistency in power battery pack 1 further, thus improves battery efficiency and safety.
The present invention provides a kind of power battery pack compound thermal management system, possesses PCM Phase cooling, air-cooled radiator cooling
Associating thermal management capabilities with heat pump air conditioner supplement heat rejecter.Meanwhile, the difference utilizing three's exchange capability of heat proposes corresponding battery
Bag heat management Active Control Method, promotes battery bag thermally controlled process temperature consistency and usefulness.In power battery pack heat management mistake
Cheng Zhong, regulates and controls operation and the closedown of each heat management branch road by temperature and time step size control method in real-time judgment battery bag,
Realize the step descending cooling of power battery pack entrance cooling fluid temperature, it is to avoid low-temperature inlet coolant and initial high-temperature battery
The severe temperature fluctuations that the big temperature difference heat exchange of parlor causes, promotes temperature consistency in heat management process battery bag, ensures battery
Group usefulness and safety.
Claims (7)
1. a power battery pack compound thermal management system, it is characterised in that: include that power battery pack (1), signal patrol and examine control
Device (2), PCM Phase cooling device (3), battery air-cooled radiator (4), battery fluid cold heat sink (6), heat pump air conditioner (7), circulating pump
(8), the first solenoid electric valve (9), the second solenoid electric valve (10), the 3rd solenoid electric valve (11), be arranged on power battery pack
(1) the first temperature sensor (12), the second temperature sensor (13), three-temperature sensor (14) and the 4th temperature sensing in
Device (15) and be arranged on power battery pack (1) the 5th temperature sensor (16) around；
Described signal inspection controller (2) is passed by the first temperature sensor (12), the second temperature sensor (13), the 3rd temperature
Sensor (14), the 4th temperature sensor (15) and the 5th temperature sensor (16) receive temperature signal and then control the first electromagnetism control
Valve processed (9), the second solenoid electric valve (10), the 3rd solenoid electric valve (11), circulating pump (8) and the break-make of heat pump air conditioner (7)；The
One solenoid electric valve (9), the second solenoid electric valve (10) and the 3rd solenoid electric valve (11) control circulating fluid respectively and enter PCM
Phase cooling device (3), battery air-cooled radiator (4) and the open and close of battery fluid cold heat sink (6)；
Described battery fluid cold heat sink (6) is liquid-liquid heat exchanger, and its interior side runner is connected with heat pump air conditioner (7), opposite side
Runner is connected with power battery pack (1), and heat pump air conditioner (7) provides cold-producing medium to enter battery fluid cold heat sink (6) cooling circulation liquid
Stream, circulating pump (8) controls the flowing of circulation fluid.
A kind of power battery pack compound thermal management system the most according to claim 1, it is characterised in that: described PCM phase transformation
The paraffin class phase-change material that melting point is 30-40 DEG C is filled in cooler (3).
A kind of power battery pack compound thermal management system the most according to claim 2, it is characterised in that: described PCM phase transformation
Industrial paraffin is filled in cooler (3).
A kind of power battery pack compound thermal management system the most according to claim 1, it is characterised in that: also include environment
Air introduces the radiator fan (5) of battery air-cooled radiator (4).
A kind of power battery pack compound thermal management system the most according to claim 1, it is characterised in that: also include the one or four
Logical valve (17) and the second cross valve (18).
The temperature consistency Active Control Method of a kind of power battery pack compound thermal the most as claimed in claim 1 management system,
It is characterized in that, comprise the following steps:
A, the first temperature sensor (12) to being arranged in power battery pack (1), the second temperature sensor (13), the 3rd temperature
Sensor (14), the 4th temperature sensor (15) and the 5th temperature sensor (16) being arranged on around power battery pack (1) are real
Time sample and feed back to signal inspection controller (2) and differentiate；
B, by the first temperature sensor (12), the second temperature sensor (13), three-temperature sensor (14) and the 4th temperature pass
Sensor (15) judges the mean temperature of power battery pack (1), during mean temperature≤50 DEG C, returns previous step；
C, judged ambient temperature by the 5th temperature sensor (16), during ambient temperature ＞ 30 degree, by controller (2) ON cycle
Pump (8) and the first solenoid electric valve (9), make circulating fluid enter PCM Phase cooling device (3) through the first cross valve (17) and realize changing
After hot temperature drop, then cool down power battery pack (1)；During ambient temperature≤30 degree, perform step F；
Judge the mean temperature of power battery pack (1) after D, △ T second time step, when mean temperature is less than 40 degree, close first
Solenoid electric valve (9) and circulating pump (8)；When mean temperature is higher than 40 degree, closes the first solenoid electric valve (9), and open second
Solenoid electric valve (10)；
Again judge the mean temperature of power battery pack (1) after E, △ T second time step, when mean temperature is less than 40 degree, close
Second solenoid electric valve (10) and circulating pump (8)；When mean temperature remains above 40 degree, close the second solenoid electric valve (10), and
Open the 3rd solenoid electric valve (11) and heat pump air conditioner (7), during until mean temperature is less than 40 degree, close the 3rd solenoid electric valve
(11), circulating pump (8) and heat pump air conditioner (7)；
When F, ambient temperature≤30 degree, by controller (2) ON cycle pump (8) and the first solenoid electric valve (9), make circulation fluid
Flow through after the first cross valve (17) enters PCM Phase cooling device (3) realize heat exchange temperature drop, then cool down power battery pack (1)；
Judge the mean temperature of power battery pack (1) after G, △ T second time step, when mean temperature is less than 40 degree, close first
Solenoid electric valve (9) and circulating pump (8)；When mean temperature is higher than 40 degree, closes the first solenoid electric valve (9), and open second
Solenoid electric valve (10), during until mean temperature is less than 40 degree, cuts out the second solenoid electric valve (10) and circulating pump (8).
The temperature consistency actively controlling party of a kind of power battery pack compound thermal the most according to claim 6 management system
Method, it is characterised in that: in step D, E and G, the mean temperature of described power battery pack (1) by the first temperature sensor (12),
Two temperature sensors (13), three-temperature sensor (14) and the 4th temperature sensor (15) real-time sampling draw.
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| CN201610541499.6A CN105932361B (en) | 2016-07-11 | 2016-07-11 | Power battery pack compound thermal manages system and temperature consistency Active Control Method |
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| CN201610541499.6A CN105932361B (en) | 2016-07-11 | 2016-07-11 | Power battery pack compound thermal manages system and temperature consistency Active Control Method |
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| CN108038261A (en) * | 2017-11-10 | 2018-05-15 | 华南理工大学 | A kind of fast Optimization of power battery air cooling system runner spacing |
| CN109149011A (en) * | 2018-09-21 | 2019-01-04 | 广州小鹏汽车科技有限公司 | A kind of BMS heat management system and its control method and device |
| CN109361034A (en) * | 2018-09-13 | 2019-02-19 | 吉林大学 | The equal balance system of battery pack temperature and Active Control Method |
| CN109494428A (en) * | 2018-11-08 | 2019-03-19 | 安徽江淮汽车集团股份有限公司 | A kind of batteries of electric automobile cooling system |
| CN109546259A (en) * | 2018-11-16 | 2019-03-29 | 安徽江淮汽车集团股份有限公司 | A kind of batteries of electric automobile packet thermostatic control system and control method |
| CN109649218A (en) * | 2017-10-12 | 2019-04-19 | 翰昂汽车零部件有限公司 | Use the hybrid power of thermal storage device and the battery thermal management system of all-electric vehicle |
| CN109768351A (en) * | 2019-01-21 | 2019-05-17 | 吉林大学 | Power battery pack R134a refrigerant is direct-cooled to couple cooling system and control method with heat pipe |
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| CN110611353A (en) * | 2019-10-10 | 2019-12-24 | 密码精灵有限公司 | Charging control method and device of intelligent door lock and intelligent door lock |
| CN114867295A (en) * | 2022-04-27 | 2022-08-05 | 中国电子科技集团公司第二十九研究所 | Dynamic heat management device based on draught fan and control method |
| CN114867295B (en) * | 2022-04-27 | 2023-08-25 | 中国电子科技集团公司第二十九研究所 | Dynamic heat management device based on fan and control method |
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| CN116053644A (en) * | 2023-01-05 | 2023-05-02 | 三峡大学 | Battery thermal management system integrating phase change and thermoelectric refrigeration |
| CN116053644B (en) * | 2023-01-05 | 2024-03-12 | 三峡大学 | Battery thermal management system integrating phase change and thermoelectric refrigeration |
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