CN109216790A - A kind of battery pack for being run under hot environment - Google Patents
A kind of battery pack for being run under hot environment Download PDFInfo
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- CN109216790A CN109216790A CN201710515330.8A CN201710515330A CN109216790A CN 109216790 A CN109216790 A CN 109216790A CN 201710515330 A CN201710515330 A CN 201710515330A CN 109216790 A CN109216790 A CN 109216790A
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- battery
- battery pack
- voltage change
- coolant
- operational mode
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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
- H01M10/4207—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells for several batteries or cells simultaneously or sequentially
-
- 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
- H01M10/44—Methods for charging or discharging
- H01M10/448—End of discharge regulating measures
-
- 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
- H01M10/62—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
- 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
- H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
-
- 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 present invention provides a kind of battery packs for running under hot environment, wherein, the shell of the battery pack is double Shell, there are hollow portions for the interlayer of the double Shell, coolant flow passages are provided in the hollow portion, the coolant flow passages include inlet and outlet, the inlet and outlet is in fluid communication in the enclosure interior by coolant flow passages, it is in fluid communication in hull outside by coolant circulation circuit, cooling pump is additionally provided on coolant circulation circuit, when the temperature of battery pack is higher than predetermined value, battery set control system starts cooling pump, flow coolant, to cool down for battery pack.Battery pack of the invention can long-term work under high temperature environment, and guarantee good output performance and life performance.
Description
Technical field
The present invention relates to battery technology fields, more particularly to the battery pack run under a kind of hot environment.
Background technique
Battery pack have been considered to be it is a kind of for the cleaning of electric vehicle and various other applications, it is efficiently and negative to environment
The power supply of duty.Battery overheats or is exposed in hot environment and may adversely affect to the operation of cell apparatus.
Therefore, usually cooling system is used together with battery in battery pack.Wish to produce a kind of battery including cooling system
Group, wherein the temperature and pressure variation in battery pack and its size are minimized, and the capacity of battery pack and durability are by most
Bigization.
Summary of the invention
The present invention provides a kind of battery packs for running under hot environment, wherein the shell of the battery pack is double
Layer shell, the interlayer of the double Shell are provided with coolant flow passages, the coolant flow in the hollow portion there are hollow portion
Road includes inlet and outlet, and the inlet and outlet is in fluid communication in the enclosure interior by coolant flow passages, outside shell
Portion is in fluid communication by coolant circulation circuit, cooling pump is additionally provided on coolant circulation circuit, when the temperature of battery pack
When higher than predetermined value, battery set control system starts cooling pump, flows coolant, to cool down for battery pack.Of the invention
Battery pack can long-term work under high temperature environment, and guarantee good output performance and life performance.
Specific scheme is as follows:
A kind of battery pack for being run under hot environment, wherein the shell of the battery pack is double Shell, described double
The interlayer of layer shell is provided with coolant flow passages there are hollow portion in the hollow portion, the coolant flow passages include import and
Outlet, the inlet and outlet are in fluid communication in the enclosure interior by coolant flow passages, pass through coolant in hull outside
Circulation loop is in fluid communication, and cooling pump is additionally provided on coolant circulation circuit, when the temperature of battery pack is higher than first threshold
When, battery set control system starts cooling pump, flows coolant.
Further, the first threshold is 50-70 DEG C.
Further, the battery pack further includes single battery temperature detector, for detecting single battery temperature.
Further, when single battery temperature detector detects that single battery temperature is higher than second threshold, battery pack
Control system starts cooling pump, flows coolant.
Further, the second threshold is higher than first threshold.
Further, the second threshold is 55-75 DEG C.
Further, the battery pack includes management system, and the management system includes master controller, battery controller,
And it is able to detect the battery detector of each single battery information；The parameter of the battery detector detection includes battery temperature
And voltage, the master controller formulate different operational modes, and are monomer electricity according to the battery information of battery detector feedback
Pond selects corresponding operational mode；The pattern information that the battery controller is issued according to master controller controls each monomer respectively
Battery executes corresponding operational mode；The operational mode includes entire run mode and Efficient Cycle capacity lower than complete
The incomplete operational mode of operational mode, the incomplete operational mode include high potential operational mode；Low potential operational mode
And intermediate potential operational mode；The entire run mode is that the single battery is filled in complete electric discharge by voltage and completely
Electricity is by carrying out charge and discharge cycles between voltage；
In single battery when executing entire run mode,
When battery detector detects that voltage change ratio of the single battery in charging when is higher than first predetermined value, in electric discharge
Voltage change ratio be not higher than second predetermined value, and when the temperature of single battery is higher than second threshold, the master controller is specified
The single battery executes charging and is lower than the fully charged low potential operational mode by voltage by voltage；
When battery detector detects that voltage change ratio of the single battery in charging when not higher than first predetermined value, is discharging
When voltage change ratio be higher than second predetermined value, and when the temperature of single battery is higher than second threshold, the master controller is specified
The single battery executes electric discharge and is higher than electric discharge completely by the high potential operational mode of voltage by voltage；
When battery detector detects that voltage change ratio of the single battery in charging when is higher than first predetermined value, in electric discharge
Voltage change ratio be higher than second predetermined value, and when the temperature of single battery is higher than second threshold, the master controller is specified should
Single battery, which executes, to charge by voltage lower than fully charged by voltage, and discharges to be higher than by voltage and discharge completely by electricity
The intermediate potential operational mode of pressure；
When single battery is when executing incomplete operational mode, the battery detector detects single battery in charging
Voltage change ratio be not higher than first predetermined value, electric discharge when voltage change ratio be not higher than second predetermined value when, the master control
Device processed specifies the single battery to execute entire run mode.
The first predetermined value is the 110-140% of average cell charging voltage change rate；The second predetermined value is flat
The 110-140% of equal cell discharge voltage change rate.
The invention has the following beneficial effects:
1, by the way that cooling flowing path is arranged in battery-pack exterior casing, so that the battery temperature of internal battery pack is not by environment temperature
Degree influences, and independent operating expands the use scope of battery pack；
2, the single battery situation of internal battery pack is monitored, so that it is restored to normal work for single battery cooling in time
Temperature；
3, according to the state of single battery in battery pack, corresponding operational mode is formulated, improves the operation longevity of single battery
Life；
4, when the voltage change ratio when battery charges is higher, the battery is obvious in the aging conditions of high voltage, thus drops
Low charging is by voltage, to prevent the overcharge of battery, and aging under high voltages；Voltage when the cell is discharged becomes
When rate is higher, the battery is obvious in the aging conditions of low-voltage, thus improves electric discharge by voltage, to prevent the mistake of battery
Electric discharge, and aging at low voltage；
5, the temperature for monitoring battery shows that the internal resistance of the battery increases, polarization is tight when the rate of temperature change of battery is higher
Weight, therefore the charge and discharge process being according to it, by reducing charging by voltage or improving electric discharge by voltage, to subtract
Few battery reduces battery polarization situation in the working time in process.
Specific embodiment
The present invention will be described in more detail below by specific embodiment, but protection scope of the present invention not by
It is limited to these embodiments.
Embodiment 1
Battery pack, the shell of the battery pack are double Shell, the interlayer of the double Shell there are hollow portion, it is described in
Coolant flow passages are provided in empty portion, the coolant flow passages include inlet and outlet, and the inlet and outlet is in the shell
It is internal to be in fluid communication by coolant flow passages, it is in fluid communication in hull outside by coolant circulation circuit, in coolant circulation
Cooling pump is provided on circuit, the battery pack includes 50 single batteries, and the management system includes master controller, battery control
Device processed, and it is able to detect the battery detector of each single battery information；The parameter of the battery detector detection includes temperature
Degree and voltage, battery pack temperature are obtained by single battery temperature computation, when the temperature for meeting battery pack is higher than 50 DEG C or monomer
When battery is higher than any one of 55 DEG C, battery set control system starts cooling pump, flows coolant；
The master controller formulates different operational modes, and is monomer electricity according to the battery information of battery detector feedback
Pond selects corresponding operational mode；The pattern information that the battery controller is issued according to master controller, by controlling each list
The operational mode for cut-offfing control single battery of the bypass circuit of body battery；The operational mode is included between 2.7V-4.2V
The entire run mode of circulation；And include the low potential operational mode recycled between 2.7V-4.0V, 3.0V-4.2V it
Between the high potential operational mode that recycles, the incomplete operational mode of the intermediate potential operational mode recycled between 3.0V-4.0V；
When single battery executes entire run mode,
When battery detector detects that voltage change ratio of the single battery in charging when is higher than average battery voltage change rate
110%, electric discharge when voltage change ratio be not higher than average battery voltage change rate 110%, and single battery be higher than 55
DEG C when, the single battery execute low potential operational mode；
When battery detector detects that voltage change ratio of the single battery in charging when changes not higher than average battery voltage
The 110% of rate, the voltage change ratio in electric discharge is higher than the 110% of average battery voltage change rate, and single battery is higher than 55
DEG C when, the single battery execute high potential operational mode；
When battery detector detects that voltage change ratio of the single battery in charging when is higher than average battery voltage change rate
110%, electric discharge when voltage change ratio be higher than average battery voltage change rate 110%, and single battery be higher than 55 DEG C
When, which executes intermediate potential operational mode；
When single battery executes incomplete operational mode,
When the battery detector detects voltage change ratio of the single battery in charging when not higher than average battery voltage
The 110% of change rate, when the voltage change ratio in electric discharge is not higher than the 110% of average battery voltage change rate, monomer electricity
Pond executes entire run mode.
Embodiment 2
Battery pack, the shell of the battery pack are double Shell, the interlayer of the double Shell there are hollow portion, it is described in
Coolant flow passages are provided in empty portion, the coolant flow passages include inlet and outlet, and the inlet and outlet is in the shell
It is internal to be in fluid communication by coolant flow passages, it is in fluid communication in hull outside by coolant circulation circuit, in coolant circulation
Cooling pump is provided on circuit, the battery pack includes 50 single batteries, and the management system includes master controller, battery control
Device processed, and it is able to detect the battery detector of each single battery information；The parameter of the battery detector detection includes temperature
Degree and voltage, battery pack temperature are obtained by single battery temperature computation, when the temperature for meeting battery pack is higher than 55 DEG C or monomer
When battery is higher than any one of 60 DEG C, battery set control system starts cooling pump, flows coolant；
The master controller formulates different operational modes, and is monomer electricity according to the battery information of battery detector feedback
Pond selects corresponding operational mode；The pattern information that the battery controller is issued according to master controller, by controlling each list
The operational mode for cut-offfing control single battery of the bypass circuit of body battery；The operational mode is included between 2.7V-4.2V
The entire run mode of circulation；And include the low potential operational mode recycled between 2.7V-4.0V, 3.0V-4.2V it
Between the high potential operational mode that recycles, the incomplete operational mode of the intermediate potential operational mode recycled between 3.0V-4.0V；
In single battery when executing entire run mode,
When battery detector detects that voltage change ratio of the single battery in charging when is higher than average battery voltage change rate
120%, electric discharge when voltage change ratio be not higher than average battery voltage change rate 120%, and single battery be higher than 60
DEG C when, the single battery execute low potential operational mode；
When battery detector detects that voltage change ratio of the single battery in charging when changes not higher than average battery voltage
The 120% of rate, the voltage change ratio in electric discharge is higher than the 120% of average battery voltage change rate, and single battery is higher than 60
DEG C when, the single battery execute high potential operational mode；
When battery detector detects that voltage change ratio of the single battery in charging when is higher than average battery voltage change rate
120%, electric discharge when voltage change ratio be higher than average battery voltage change rate 120%, and single battery be higher than 60 DEG C
When, which executes intermediate potential operational mode；
In single battery when executing incomplete operational mode,
When the battery detector detects voltage change ratio of the single battery in charging when not higher than average battery voltage
The 120% of change rate, when the voltage change ratio in electric discharge is not higher than the 120% of average battery voltage change rate, monomer electricity
Pond executes entire run mode.
Embodiment 3
Battery pack, the shell of the battery pack are double Shell, the interlayer of the double Shell there are hollow portion, it is described in
Coolant flow passages are provided in empty portion, the coolant flow passages include inlet and outlet, and the inlet and outlet is in the shell
It is internal to be in fluid communication by coolant flow passages, it is in fluid communication in hull outside by coolant circulation circuit, in coolant circulation
Cooling pump is provided on circuit, the battery pack includes 50 single batteries, and the management system includes master controller, battery control
Device processed, and it is able to detect the battery detector of each single battery information；The parameter of the battery detector detection includes temperature
Degree and voltage, battery pack temperature are obtained by single battery temperature computation, when the temperature for meeting battery pack is higher than 60 DEG C or monomer
When battery is higher than any one of 65 DEG C, battery set control system starts cooling pump, flows coolant；
The master controller formulates different operational modes, and is monomer electricity according to the battery information of battery detector feedback
Pond selects corresponding operational mode；The pattern information that the battery controller is issued according to master controller, by controlling each list
The operational mode for cut-offfing control single battery of the bypass circuit of body battery；The operational mode is included between 2.7V-4.2V
The entire run mode of circulation；And include the low potential operational mode recycled between 2.7V-4.0V, 3.0V-4.2V it
Between the high potential operational mode that recycles, the incomplete operational mode of the intermediate potential operational mode recycled between 3.0V-4.0V；
In single battery when executing entire run mode,
When battery detector detects that voltage change ratio of the single battery in charging when is higher than average battery voltage change rate
130%, electric discharge when voltage change ratio be not higher than average battery voltage change rate 130%, and single battery be higher than 65
DEG C when, the single battery execute low potential operational mode；
When battery detector detects that voltage change ratio of the single battery in charging when changes not higher than average battery voltage
The 130% of rate, the voltage change ratio in electric discharge is higher than the 130% of average battery voltage change rate, and single battery is higher than 65
DEG C when, the single battery execute high potential operational mode；
When battery detector detects that voltage change ratio of the single battery in charging when is higher than average battery voltage change rate
130%, electric discharge when voltage change ratio be higher than average battery voltage change rate 130%, and single battery be higher than 65 DEG C
When, which executes intermediate potential operational mode；
In single battery when executing incomplete operational mode,
When the battery detector detects voltage change ratio of the single battery in charging when not higher than average battery voltage
The 130% of change rate, when the voltage change ratio in electric discharge is not higher than the 130% of average battery voltage change rate, monomer electricity
Pond executes entire run mode.
Embodiment 4
Battery pack, the shell of the battery pack are double Shell, the interlayer of the double Shell there are hollow portion, it is described in
Coolant flow passages are provided in empty portion, the coolant flow passages include inlet and outlet, and the inlet and outlet is in the shell
It is internal to be in fluid communication by coolant flow passages, it is in fluid communication in hull outside by coolant circulation circuit, in coolant circulation
Cooling pump is provided on circuit, the battery pack includes 50 single batteries, and the management system includes master controller, battery control
Device processed, and it is able to detect the battery detector of each single battery information；The parameter of the battery detector detection includes temperature
Degree and voltage, battery pack temperature are obtained by single battery temperature computation, when the temperature for meeting battery pack is higher than 65 DEG C or monomer
When battery is higher than any one of 70 DEG C, battery set control system starts cooling pump, flows coolant；
The master controller formulates different operational modes, and is monomer electricity according to the battery information of battery detector feedback
Pond selects corresponding operational mode；The pattern information that the battery controller is issued according to master controller, by controlling each list
The operational mode for cut-offfing control single battery of the bypass circuit of body battery；The operational mode is included between 2.7V-4.2V
The entire run mode of circulation；And include the low potential operational mode recycled between 2.7V-4.0V, 3.0V-4.2V it
Between the high potential operational mode that recycles, the incomplete operational mode of the intermediate potential operational mode recycled between 3.0V-4.0V；
In single battery when executing entire run mode,
When battery detector detects that voltage change ratio of the single battery in charging when is higher than average battery voltage change rate
140%, electric discharge when voltage change ratio be not higher than average battery voltage change rate 140%, and single battery be higher than 70
DEG C when, the single battery execute low potential operational mode；
When battery detector detects that voltage change ratio of the single battery in charging when changes not higher than average battery voltage
The 140% of rate, the voltage change ratio in electric discharge is higher than the 140% of average battery voltage change rate, and single battery is higher than 70
DEG C when, the single battery execute high potential operational mode；
When battery detector detects that voltage change ratio of the single battery in charging when is higher than average battery voltage change rate
140%, electric discharge when voltage change ratio be higher than average battery voltage change rate 140%, and single battery be higher than 70 DEG C
When, which executes intermediate potential operational mode；
In single battery when executing incomplete operational mode,
When the battery detector detects voltage change ratio of the single battery in charging when not higher than average battery voltage
Change rate 140%, when the voltage change ratio in electric discharge is not higher than average battery voltage change rate 140%, which is held
Row entire run mode.
Embodiment 5
Battery pack, the shell of the battery pack are double Shell, the interlayer of the double Shell there are hollow portion, it is described in
Coolant flow passages are provided in empty portion, the coolant flow passages include inlet and outlet, and the inlet and outlet is in the shell
It is internal to be in fluid communication by coolant flow passages, it is in fluid communication in hull outside by coolant circulation circuit, in coolant circulation
Cooling pump is provided on circuit, the battery pack includes 50 single batteries, and the management system includes master controller, battery control
Device processed, and it is able to detect the battery detector of each single battery information；The parameter of the battery detector detection includes temperature
Degree and voltage, battery pack temperature are obtained by single battery temperature computation, when the temperature for meeting battery pack is higher than 70 DEG C or monomer
When battery is higher than any one of 75 DEG C, battery set control system starts cooling pump, flows coolant；
The master controller formulates different operational modes, and is monomer electricity according to the battery information of battery detector feedback
Pond selects corresponding operational mode；The pattern information that the battery controller is issued according to master controller, by controlling each list
The operational mode for cut-offfing control single battery of the bypass circuit of body battery；The operational mode is included between 2.7V-4.2V
The entire run mode of circulation；And include the low potential operational mode recycled between 2.7V-4.0V, 3.0V-4.2V it
Between the high potential operational mode that recycles, the incomplete operational mode of the intermediate potential operational mode recycled between 3.0V-4.0V；
In single battery when executing entire run mode,
When battery detector detects that voltage change ratio of the single battery in charging when is higher than average battery voltage change rate
125%, electric discharge when voltage change ratio be not higher than average battery voltage change rate 125%, and single battery be higher than 75
DEG C when, the single battery execute low potential operational mode；
When battery detector detects that voltage change ratio of the single battery in charging when changes not higher than average battery voltage
The 125% of rate, the voltage change ratio in electric discharge is higher than the 125% of average battery voltage change rate, and single battery is higher than 75
DEG C when, the single battery execute high potential operational mode；
When battery detector detects that voltage change ratio of the single battery in charging when is higher than average battery voltage change rate
125%, electric discharge when voltage change ratio be higher than average battery voltage change rate 125%, and single battery be higher than 75 DEG C
When, which executes intermediate potential operational mode；
In single battery when executing incomplete operational mode,
When the battery detector detects voltage change ratio of the single battery in charging when not higher than average battery voltage
Change rate 125%, when the voltage change ratio in electric discharge is not higher than average battery voltage change rate 125%, which is held
Row entire run mode.
Comparative example 1
Battery pack including 50 single batteries.
Test and result
By embodiment 1-5, the battery pack of comparative example 1 is respectively placed in the environment of 50 DEG C, and the electric current of 1C carries out charge and discharge and follows
Ring records the cycle life of battery pack.As it can be seen that obtaining higher cycle life using the battery pack of the embodiment of the present invention.
Table 1
It is discussed in detail although the contents of the present invention have passed through above preferred embodiment, but it would be recognized that above-mentioned
Description be not considered as limitation of the present invention.
Claims (6)
1. a kind of battery pack for being run under hot environment, wherein the shell of the battery pack is double Shell, the bilayer
The interlayer of shell is provided with coolant flow passages there are hollow portion in the hollow portion, the coolant flow passages include import and go out
Mouthful, the inlet and outlet is in fluid communication in the enclosure interior by coolant flow passages, is followed in hull outside by coolant
Loop back path is in fluid communication, and cooling pump is additionally provided on coolant circulation circuit, when the temperature of battery pack is higher than first threshold,
Battery set control system starts cooling pump, flows coolant.
2. battery pack as described in claim 1, the first threshold is 50-70 DEG C.
3. battery pack as described in claim 1, the battery pack further includes single battery temperature detector, for detecting monomer
Battery temperature.
4. battery pack as claimed in claim 2, when single battery temperature detector detects that single battery temperature is higher than second
When threshold value, battery set control system starts cooling pump, flows coolant.
5. battery pack as claimed in claim 4, the second threshold is higher than first threshold.
6. battery pack as claimed in claim 5, the second threshold is 55-75 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710515330.8A CN109216790A (en) | 2017-06-29 | 2017-06-29 | A kind of battery pack for being run under hot environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710515330.8A CN109216790A (en) | 2017-06-29 | 2017-06-29 | A kind of battery pack for being run under hot environment |
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| Publication Number | Publication Date |
|---|---|
| CN109216790A true CN109216790A (en) | 2019-01-15 |
Family
ID=64976597
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710515330.8A Withdrawn CN109216790A (en) | 2017-06-29 | 2017-06-29 | A kind of battery pack for being run under hot environment |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102544567A (en) * | 2010-12-30 | 2012-07-04 | 上海航天电源技术有限责任公司 | Power battery module with liquid cooling system |
| CN202534754U (en) * | 2012-05-21 | 2012-11-14 | 张�育 | Storage battery temperature regulating system and electric vehicle with same |
| CN204045698U (en) * | 2014-07-31 | 2014-12-24 | 延锋伟世通电子科技（上海）有限公司 | Automobile lithium battery system hypothermia starts servicing unit |
| CN205960072U (en) * | 2016-08-31 | 2017-02-15 | 北京科易动力科技有限公司 | Variable thermal resistance formula battery box |
| CN106876626A (en) * | 2017-04-12 | 2017-06-20 | 中昱博新能源科技南京有限公司 | A kind of battery case |
-
2017
- 2017-06-29 CN CN201710515330.8A patent/CN109216790A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102544567A (en) * | 2010-12-30 | 2012-07-04 | 上海航天电源技术有限责任公司 | Power battery module with liquid cooling system |
| CN202534754U (en) * | 2012-05-21 | 2012-11-14 | 张�育 | Storage battery temperature regulating system and electric vehicle with same |
| CN204045698U (en) * | 2014-07-31 | 2014-12-24 | 延锋伟世通电子科技（上海）有限公司 | Automobile lithium battery system hypothermia starts servicing unit |
| CN205960072U (en) * | 2016-08-31 | 2017-02-15 | 北京科易动力科技有限公司 | Variable thermal resistance formula battery box |
| CN106876626A (en) * | 2017-04-12 | 2017-06-20 | 中昱博新能源科技南京有限公司 | A kind of battery case |
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