CN205882117U - Compound thermal management system of power battery group - Google Patents
Compound thermal management system of power battery group Download PDFInfo
- Publication number
- CN205882117U CN205882117U CN201620725135.9U CN201620725135U CN205882117U CN 205882117 U CN205882117 U CN 205882117U CN 201620725135 U CN201620725135 U CN 201620725135U CN 205882117 U CN205882117 U CN 205882117U
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- temperature
- power battery
- temperature sensor
- battery pack
- solenoid electric
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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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Abstract
The utility model relates to a compound thermal management system of power battery group, include that power battery group, signal patrol detection and control and make ware, PCM phase change cooling ware, battery air -cooled radiator, the cold radiator of battery fluid, heat pump air conditioner, circulating pump, three solenoid electric valve, set up and organize temperature sensor and set up the temperature sensor around power battery organizes at four of power battery inter block, this system possesses PCM phase change cooling, air -cooled radiator cooling and heat pump air conditioner detection and control 2's jointly hot managerial ability. In the hot management process of power battery group, operation through judging each heat pipe reason branch road of temperature and time step control method regulation and control in the group battery in real time with close, realize the step descending order cooling of power battery group entry cooling liquid stream temperature, violent temperature fluctuations that the big difference in temperature heat transfer of avoiding low temperature entry coolant liquid and initial high -temperature battery across block causes, temperature uniformity in the elevating mast management process group battery ensures group battery efficiency and safety.
Description
Technical field
This utility model belongs to electrokinetic cell field of heat management, is specifically related to a kind of power battery thermal management system, especially
Relate to a kind of power battery pack compound thermal management system, it is adaptable to electric 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 power battery pack heat management Active Control Method, and then promote power current
Pond group thermally controlled process temperature consistency and usefulness.
Summary of the invention
The purpose of this utility model 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 purpose of this utility model is achieved through the following technical solutions, and is 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 this utility model power battery pack compound thermal manages system schematic；
Fig. 2 is this utility model power battery pack heat management control method and flow chart；
Fig. 3 is that this utility model heat management process is with or without maximum temperature difference comparison diagram in step temperature control power battery pack.
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 this utility model 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.
This utility model provides a kind of power battery pack compound thermal management system, possesses PCM Phase cooling, air-cooled radiator
Cooling and the associating thermal management capabilities of heat pump air conditioner supplement heat rejecter.Meanwhile, the difference utilizing three's exchange capability of heat proposes corresponding
Power battery pack heat management Active Control Method, promotes power battery pack thermally controlled process temperature consistency and usefulness.At power current
During the group heat management of pond, regulate and control each heat management by temperature and time step size control method in real-time judgment power battery pack and prop up
The operation on road and closedown, it is achieved the step descending cooling of power battery pack entrance cooling fluid temperature, it is to avoid low-temperature inlet cools down
The severe temperature fluctuations that big temperature difference heat exchange between liquid and initial high-temperature power battery pack causes, promotes heat management process electrokinetic cell
Temperature consistency in group, ensures set of cells usefulness and safety.
Claims (5)
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).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620725135.9U CN205882117U (en) | 2016-07-11 | 2016-07-11 | Compound thermal management system of power battery group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620725135.9U CN205882117U (en) | 2016-07-11 | 2016-07-11 | Compound thermal management system of power battery group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205882117U true CN205882117U (en) | 2017-01-11 |
Family
ID=57695516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620725135.9U Withdrawn - After Issue CN205882117U (en) | 2016-07-11 | 2016-07-11 | Compound thermal management system of power battery group |
Country Status (1)
| Country | Link |
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| CN (1) | CN205882117U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105932361A (en) * | 2016-07-11 | 2016-09-07 | 吉林大学 | Complex thermal management system of power battery pack and active control method of temperature consistency |
| CN107884717A (en) * | 2017-09-30 | 2018-04-06 | 中国汽车技术研究中心 | A kind of electrokinetic cell system heat management performance method of testing |
| CN111883874A (en) * | 2020-06-01 | 2020-11-03 | 浙江吉利汽车研究院有限公司 | Variable thermal resistance thermal management system of battery and control method |
| US10847851B2 (en) | 2017-10-12 | 2020-11-24 | Hanon Systems | Battery thermal management system for hybrid and full electric vehicles using heat capacitor |
-
2016
- 2016-07-11 CN CN201620725135.9U patent/CN205882117U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105932361A (en) * | 2016-07-11 | 2016-09-07 | 吉林大学 | Complex thermal management system of power battery pack and active control method of temperature consistency |
| CN105932361B (en) * | 2016-07-11 | 2018-05-25 | 吉林大学 | Power battery pack compound thermal manages system and temperature consistency Active Control Method |
| CN107884717A (en) * | 2017-09-30 | 2018-04-06 | 中国汽车技术研究中心 | A kind of electrokinetic cell system heat management performance method of testing |
| CN107884717B (en) * | 2017-09-30 | 2019-12-31 | 中国汽车技术研究中心 | Method for testing thermal management performance of power battery system |
| US10847851B2 (en) | 2017-10-12 | 2020-11-24 | Hanon Systems | Battery thermal management system for hybrid and full electric vehicles using heat capacitor |
| US11444346B2 (en) | 2017-10-12 | 2022-09-13 | Hanon Systems | Battery thermal management system for hybrid and full electric vehicles using heat capacitor |
| CN111883874A (en) * | 2020-06-01 | 2020-11-03 | 浙江吉利汽车研究院有限公司 | Variable thermal resistance thermal management system of battery and control method |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170111 Effective date of abandoning: 20180525 |