CN110492190A - Battery management method, system and computer readable storage medium - Google Patents
Battery management method, system and computer readable storage medium Download PDFInfo
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- CN110492190A CN110492190A CN201910845760.5A CN201910845760A CN110492190A CN 110492190 A CN110492190 A CN 110492190A CN 201910845760 A CN201910845760 A CN 201910845760A CN 110492190 A CN110492190 A CN 110492190A
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- 238000007726 management method Methods 0.000 title claims abstract description 74
- 238000003860 storage Methods 0.000 title claims abstract description 16
- 238000007600 charging Methods 0.000 claims abstract description 363
- 230000007613 environmental effect Effects 0.000 claims abstract description 60
- 238000000034 method Methods 0.000 description 27
- 230000005611 electricity Effects 0.000 description 24
- 230000003862 health status Effects 0.000 description 16
- 230000008569 process Effects 0.000 description 13
- 230000032683 aging Effects 0.000 description 9
- 238000013507 mapping Methods 0.000 description 9
- 238000012544 monitoring process Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000002277 temperature effect Effects 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 230000004913 activation Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 241001269238 Data Species 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000006837 decompression Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000001934 delay Effects 0.000 description 2
- 238000005562 fading Methods 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000010277 constant-current charging Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
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- 230000014759 maintenance of location Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4285—Testing apparatus
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
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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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a kind of battery management method, the battery management method is the following steps are included: obtain the performance parameter of current environmental temperature and battery, wherein the performance parameter of the battery includes at least one of battery capacity and charging times；The charging strategy of battery is determined according to the performance parameter of current environmental temperature and battery；It is charged the battery according to the charging strategy of battery.Invention additionally discloses a kind of battery management system and computer readable storage mediums.Technical solution of the present invention can be improved the utilization rate of battery, extend the service life of battery.
Description
Technical field
The present invention relates to technical field of battery management more particularly to a kind of battery management methods, system and computer-readable
Storage medium.
Background technique
Battery is very widely used in electric product as energy supplier, for example is driven by electricity various electronic
Vehicle.Generally battery is effectively managed and maintained using battery management system, for example charges the battery management, it is existing right
During battery charging management, generally charges the battery, but charging by adjusting charging voltage and charging current
In the process due to the difference of environment temperature, often unreasonable to the charging process of battery, battery utilization rate is lower, and then can shadow
Ring the service life of battery.
Summary of the invention
The main purpose of the present invention is to provide battery management method, system and computer readable storage mediums, it is intended to mention
The utilization rate of high battery extends the service life of battery.
To achieve the above object, the present invention provides a kind of battery management method, and the battery management method includes following step
It is rapid:
Obtain the performance parameter of current environmental temperature and battery, wherein the performance parameter of the battery includes battery capacity
At least one of with charging times；
The charging strategy of battery is determined according to the performance parameter of current environmental temperature and battery；
It is charged the battery according to the charging strategy of battery.
In one embodiment, it is described according to current environmental temperature and electricity when the performance parameter of the battery is battery capacity
The performance parameter in pond determines that the step of charging strategy of battery includes:
When current environmental temperature is lower than preset temperature threshold, the charging strategy of battery is low temperature charging mode, in low temperature
The first charging voltage and the first charging current of battery are determined under charge mode according to battery capacity.
In one embodiment, described the step of being charged the battery according to the charging strategy of battery, includes:
Constant-current charge is carried out to battery, constant current value is the first charging current of battery；
After the preset time that charges, constant-current charge is converted into modified constant-voltage charge, constant pressure value is the first charging electricity of battery
Pressure；
When battery charging reaches the default thresholding of rated capacity, modified constant-voltage charge is converted into constant-current charge, constant current
Value is the first charging current of battery.
In one embodiment, when the performance parameter is battery capacity, the property according to current environmental temperature and battery
Can parameter the step of determining the charging strategy of battery include:
When current environmental temperature is higher than preset temperature threshold, the charging strategy of battery is high-temperature charging mode, in high temperature
The second charging voltage and the second charging current of battery are determined under charge mode according to battery capacity.
In one embodiment, described the step of being charged the battery according to the charging strategy of battery, includes:
Modified constant-voltage charge is carried out to battery, constant pressure value is the second charging voltage of battery；
When battery charging reaches the default thresholding of rated capacity, modified constant-voltage charge is converted into constant-current charge, constant current
Value is the second charging current of battery.
In one embodiment, when the performance parameter of the battery includes battery capacity and charging times, the basis is current
The step of environment temperature and the performance parameter of battery determine the charging strategy of battery include:
When current environmental temperature is lower than preset temperature threshold, determine that the charging strategy of battery is low temperature charging mode, and
Judge whether the charging times of battery are greater than or equal to preset times threshold value；
If so, determining the third charging voltage and third charging current of battery according to battery capacity；
If it is not, it is electric then to determine that the third charging voltage of battery and third charge according to the charging times of battery capacity and battery
Stream.
In one embodiment, when the performance parameter of the battery includes battery capacity and charging times, the basis is current
The step of environment temperature and the performance parameter of battery determine the charging strategy of battery include:
When current environmental temperature is higher than preset temperature threshold, determine that the charging strategy of battery is high-temperature charging mode, and
Judge whether the charging times of battery are greater than or equal to preset times threshold value；
If so, determining the 4th charging voltage and the 4th charging current of battery according to battery capacity；
If it is not, then determining the 4th charging voltage and the 4th charging electricity of battery according to the charging times of battery capacity and battery
Stream.
In one embodiment, the battery capacity is acquired by following steps:
The electric discharge duration of the charging times for obtaining battery, the corresponding charging duration that charges every time and battery；
According to the charging times of battery, the charge electric discharge duration of corresponding charging duration and battery determines that battery holds every time
Amount.
To achieve the above object, the present invention also provides a kind of battery management system, the battery management system includes processing
Device, memory and it is stored in the battery management program that can be run on the memory and on the processor, the cell tube
Reason program realizes each step of method as described above when being executed by the processor.
To achieve the above object, the present invention also provides a kind of computer readable storage medium, the computer-readable storages
Media storage has battery management program, and the battery management program realizes battery management side as described above when being executed by processor
Each step of method.
Battery management method, system and computer readable storage medium provided by the invention, obtain current environmental temperature and
The performance parameter of battery, wherein the performance parameter of battery includes at least one of battery capacity and charging times, according to current
Environment temperature and the performance parameter of battery determine the charging strategy of battery, and then are carried out according to the charging strategy of battery to battery
Reasonably charge, in this way can be according to the difference of current environment, and the performance parameter of battery is combined, select different charging strategies
It charges the battery, efficiently avoids in battery charging process causing battery to charge because of ambient temperature effect unreasonable
Problem improves the utilization rate of battery, extends the service life of battery.
Detailed description of the invention
Fig. 1 be the present embodiments relate to battery management system hardware structural diagram；
Fig. 2 is the flow diagram of battery management method first embodiment of the present invention；
Fig. 3 is the flow diagram of battery management method second embodiment of the present invention；
Fig. 4 is the flow diagram of battery management method 3rd embodiment of the present invention；
The refinement flow diagram that Fig. 5 is step S20 in Fig. 2；
Fig. 6 is the flow diagram of another refinement of step S20 in Fig. 2.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
The primary solutions of the embodiment of the present invention are: obtaining the performance parameter of current environmental temperature and battery, wherein electricity
The performance parameter in pond includes at least one of battery capacity and charging times；Joined according to current environmental temperature and the performance of battery
Number determines the charging strategy of battery；It is charged the battery according to the charging strategy of battery.
Here it is the difference according to current environment, and combines the performance parameter of battery, selects different charging strategies to electricity
Pond is charged, and efficiently avoids in battery charging process causing battery to charge unreasonable ask because of ambient temperature effect
Topic, improves the utilization rate of battery, extends the service life of battery.
As a kind of implementation, system can be as shown in Figure 1.
For the embodiment of the present invention what is involved is battery management system, battery management system includes: processor 101, such as
CPU, memory 102, communication bus 103.Wherein, communication bus 103 is for realizing the connection communication between these tissues.
Memory 102 can be high speed RAM memory, be also possible to stable memory (non-
), such as magnetic disk storage volatilememory.As shown in Figure 1, the memory as a kind of computer readable storage medium
It may include battery management program in 102；And processor 101 can be used for calling the battery management journey stored in memory 102
Sequence, and execute following operation:
Obtain the performance parameter of current environmental temperature and battery, wherein the performance parameter of the battery includes battery capacity
At least one of with charging times；
The charging strategy of battery is determined according to the performance parameter of current environmental temperature and battery；
It is charged the battery according to the charging strategy of battery.
In one embodiment, processor 101 can be used for calling the battery management program stored in memory 102, and hold
The following operation of row:
When current environmental temperature is lower than preset temperature threshold, the charging strategy of battery is low temperature charging mode, in low temperature
The first charging voltage and the first charging current of battery are determined under charge mode according to battery capacity.
In one embodiment, processor 101 can be used for calling the battery management program stored in memory 102, and hold
The following operation of row:
Constant-current charge is carried out to battery, constant current value is the first charging current of battery；
After the preset time that charges, constant-current charge is converted into modified constant-voltage charge, constant pressure value is the first charging electricity of battery
Pressure；
When battery charging reaches the default thresholding of rated capacity, modified constant-voltage charge is converted into constant-current charge, constant current
Value is the first charging current of battery.
In one embodiment, processor 101 can be used for calling the battery management program stored in memory 102, and hold
The following operation of row:
When current environmental temperature is higher than preset temperature threshold, the charging strategy of battery is high-temperature charging mode, in high temperature
The second charging voltage and the second charging current of battery are determined under charge mode according to battery capacity.
In one embodiment, processor 101 can be used for calling the battery management program stored in memory 102, and hold
The following operation of row:
Modified constant-voltage charge is carried out to battery, constant pressure value is the second charging voltage of battery；
When battery charging reaches the default thresholding of rated capacity, modified constant-voltage charge is converted into constant-current charge, constant current
Value is the second charging current of battery.
In one embodiment, processor 101 can be used for calling the battery management program stored in memory 102, and hold
The following operation of row:
When current environmental temperature is lower than preset temperature threshold, determine that the charging strategy of battery is low temperature charging mode, and
Judge whether the charging times of battery are greater than or equal to preset times threshold value；
If so, determining the third charging voltage and third charging current of battery according to battery capacity；
If it is not, it is electric then to determine that the third charging voltage of battery and third charge according to the charging times of battery capacity and battery
Stream.
In one embodiment, processor 101 can be used for calling the battery management program stored in memory 102, and hold
The following operation of row:
When current environmental temperature is higher than preset temperature threshold, determine that the charging strategy of battery is high-temperature charging mode, and
Judge whether the charging times of battery are greater than or equal to preset times threshold value；
If so, determining the 4th charging voltage and the 4th charging current of battery according to battery capacity；
If it is not, then determining the 4th charging voltage and the 4th charging electricity of battery according to the charging times of battery capacity and battery
Stream.
In one embodiment, processor 101 can be used for calling the battery management program stored in memory 102, and hold
The following operation of row:
The electric discharge duration of the charging times for obtaining battery, the corresponding charging duration that charges every time and battery；
According to the charging times of battery, the charge electric discharge duration of corresponding charging duration and battery determines that battery holds every time
Amount.
The present embodiment obtains the performance parameter of current environmental temperature and battery, wherein the performance of battery according to above scheme
Parameter includes at least one of battery capacity and charging times, is determined according to current environmental temperature and the performance parameter of battery
The charging strategy of battery, and then reasonably charged according to the charging strategy of battery to battery, in this way can be according to working as front ring
The difference in border, and the performance parameter of battery is combined, it selects different charging strategies to charge the battery, efficiently avoids electricity
It causes battery to charge unreasonable problem in the charging process of pond because of ambient temperature effect, improves the utilization rate of battery, extend
The service life of battery.
Based on the hardware architecture of above-mentioned battery management system, the embodiment of the method for the present invention is proposed.
Referring to Fig. 2, Fig. 2 is the first embodiment of battery management method of the present invention, and the battery management method includes following
Step:
Step S10 obtains the performance parameter of current environmental temperature and battery, wherein the performance parameter of battery includes battery
Capacity and at least one of charging times and depth of discharge.
Here executing subject is battery management system, and the quantity of battery can be one here, is also possible to multiple, battery
Management system is used to detect and store the performance parameter of current environmental temperature and battery, specifically, when charging the battery, electricity
Pond management system can monitor and store the performance parameter of current environmental temperature and battery.Wherein, current environmental temperature is to pass through temperature
Degree sensor monitors to obtain, and can be multiple ambient temperature values in detection a period of time (such as 24 hours), then takes multiple rings
For the average value of border temperature value as current environmental temperature, the current environmental temperature that can guarantee that monitoring obtains in this way is more accurate.
The performance parameter of battery includes at least one of battery capacity and charging times, and battery capacity can be indicated in certain item here
Under part (such as preset discharge rate, temperature or final voltage etc.), battery is full of rear releasable electricity, generally, battery
With battery rated capacity and battery actual capacity, battery rated capacity is also referred to as battery nominal capacity, can indicate that battery is being set
Releasable electricity under ideal conditions as defined in counting；And battery actual capacity can indicate that battery can be released under physical condition
The electricity put, in general, the battery actual capacity of new battery is identical as battery rated capacity.With the use and aging of battery, electricity
Pond actual capacity is gradually decreased relative to battery rated capacity.Therefore, battery actual capacity can be used for measuring battery performance, instead
Reflect the health condition (or claiming degree of aging) of battery.It should be noted that battery capacity is the practical appearance of battery in the present invention
Amount.Cell charging times, also referred to as battery charging and discharging cycle times or battery charging and discharging cycle-index refer to that battery completes one
The charging and discharging of secondary 100% battery capacity, cell charging times update when battery charges every time.
Step S20 determines the charging strategy of battery according to the performance parameter of current environmental temperature and battery.
After obtaining the performance parameter of current environmental temperature and battery, battery management system can be according to current environment and electricity
The performance parameter combined charging strategy for obtaining corresponding battery in pond, the charging strategy of battery is mainly that battery charging uses here
Voltage and current, constant current charging mode and modified constant-voltage charge mode can be used when charging to battery.
Step S30 is charged the battery according to the charging strategy of battery.
Battery management system is directed to the different health status of current environmental temperature and battery, formulates corresponding charging plan respectively
Slightly.For example, being charged the battery when current environmental temperature is lower using low temperature charging mode, conversely, in current environment temperature
Under degree, charged the battery using high-temperature charging mode.For the battery being in a good state of health, charging voltage and charging current
It can be as rated charging voltage and specified charging current；For the battery of health status decline, charging voltage and charging current
Rated charging voltage and specified charging current can be lower than；For the battery that health status is remarkably decreased, can further decrease
Charging voltage and charging current.In this way can be according to the difference of current environment, and the performance parameter of battery is combined, it selects different
Charging strategy charges the battery, and efficiently avoids causing battery to charge because of ambient temperature effect in battery charging process
Unreasonable problem, to extend the service life of battery.
It should be noted that the performance parameter of battery can also include the discharge parameter of battery here, according to putting for battery
Electric situation and current environmental temperature determine that the charging strategy of battery is specifically monitoring that current environmental temperature is lower, and electricity
When power-down conditions are more serious during tank discharge, illustrate that the health status of battery is poor, i.e., degree of aging is higher, at this moment to electricity
In the charging process of pond, it can be charged using small voltage, to guarantee that charging process relatively slowly carries out, can effectively improve electricity in this way
The utilization rate in pond extends the service life of battery；Conversely, can increase when power-down conditions portion is serious in battery discharge procedure
Charging voltage, to improve charging rate.When monitoring that environment temperature is higher, and when battery discharge procedure power-down conditions are more serious,
It equally uses small voltage charging to guarantee slow charging process, extends the service life of battery；Conversely, in battery discharge procedure
When middle power-down conditions portion is serious, it can be charged using biggish voltage, with the charging rate effectively improved.
In technical solution provided in this embodiment, the performance parameter of current environmental temperature and battery is obtained, wherein battery
Performance parameter include at least one of battery capacity and charging times, according to the performance parameter of current environmental temperature and battery
To determine the charging strategy of battery, and then reasonably charged according to the charging strategy of battery to battery, it in this way can basis
The difference of current environment, and the performance parameter of battery is combined, it selects different charging strategies to charge the battery, effectively keeps away
Exempt from battery charging process to cause battery to charge unreasonable problem because of ambient temperature effect, improves the utilization of battery
Rate extends the service life of battery.
It is the second embodiment of battery management method of the present invention referring to Fig. 3, Fig. 3, is based on first embodiment, the performance of battery
When parameter is battery capacity, step S20 includes:
S21, when current environmental temperature is lower than preset temperature threshold, the charging strategy of battery is low temperature charging mode, In
The first charging voltage and the first charging current of battery are determined under low temperature charging mode according to battery capacity.
The data of charging strategy of the present invention can according to the actual situation (such as charging environment or battery types) and change, can
To increase or decrease charging strategy.Different charge modes is selected by the difference for current environmental temperature, and is accordingly being filled
Different health status under power mode according to battery determine the first charging voltage and the first charging current of battery, using different
Charging strategy, which charges the battery operation, can extend the service life of battery, delay the aging of battery.Specifically, it is using
It, can be first small using small charging voltage since under low temperature, the charging ability of battery is weaker when low temperature charging mode charges to battery
Charging current charges, and to carry out slowly charging activation to battery, after a period of time of charging, can increase charging voltage and fill
Battery carries out quick charge to battery, when fast fully charged, such as when charging to the 90% of rated capacity, then slightly reduces
The utilization rate of battery can be improved in this way, extend making for battery to guarantee that battery is slowly full of for charging voltage and rechargeable battery
Use the service life.
In the present embodiment, preset temperature threshold can take 15 DEG C to 30 DEG C of range, specifically can according to the actual situation really
It is fixed, and determining preset temperature threshold is stored in battery management system, the battery management system moment monitors current environment temperature
Degree, when the current environmental temperature of monitoring is lower than preset temperature threshold, corresponding battery charging strategy is low temperature charging mode, and
The first charging voltage and the first charging current of battery are determined according to battery capacity under low temperature charging mode.Here battery capacity
It can reflect the health status of battery, and battery capacity and the charging voltage and charging current of battery have mapping corresponding relationship,
The mapping corresponding relationship is recorded in mapping table, and is stored in battery management system.It should be noted that the present embodiment is recorded
The first charging voltage and the first charging current that battery is determined according to battery capacity, both included according only to battery capacity determine electricity
First charging voltage in pond and the situation of the first charging current, without regard to other factors；It also include according to battery capacity and its
His performance parameter determines the charging voltage of battery and the situation of charging current.
In the present embodiment, the charge parameter of battery is illustrated so that the health status of battery is divided into 3 stages as an example, this
In charge parameter be battery the first charging voltage and the first charging current.When the health status of battery is divided into 3 stages, i.e.,
For stage 1, stage 2 and stage 3.Specifically, in the stage 1, the first charging voltage and the first charging current can be equal to specified
Charging voltage and specified charging current；In the stage 2, the first charging voltage can than rated charging voltage reduce 25mV, first
Charging current can reduce by 15% than specified charging current；In the stage 3, the first charging voltage can be dropped than rated charging voltage
Low 50mV, the first charging current can reduce by 30% than specified charging current.It should be noted that the first charging voltage and first
The reduction amount of charging current can determine that the test of battery can use survey known in the art according to the test case to battery
Test-object standard or method, details are not described herein again.
Here there are one-to-one relationships for the charge parameter of battery capacity and battery, and are reported in Table 1 below, and by the correspondence
Mapping table is previously stored in battery management system, after obtaining battery capacity, can be charged accordingly from mapping table
Parameter.Specifically, it can be the 90% and 75% of battery rated capacity by battery capacity threshold, for convenience of explanation, save below
Slightly battery rated capacity directly indicates battery capacity threshold with 90% and 75%.Generally, battery capacity is specified relative to battery
The ratio of capacity is bigger, then the health status of battery is better, as battery capacity > 90%, the battery management system choice phase 1
Charge parameter as battery charges the battery；When 75% < battery capacity≤90%, battery management system selects rank
Section 2 is charged the battery as corresponding charge parameter；When battery capacity≤75%, the battery management system choice phase 3
It is charged the battery as corresponding charge parameter.Table 1 lists the correspondence mappings relationship of battery capacity C and charge parameter.
The correspondence mappings relation table of 1 battery capacity of table and charge parameter
| Battery capacity | Stage serial number | Charging voltage | Charging current |
| 90% < C≤100% | 1 | It is constant | It is constant |
| 75% < C≤90% | 2 | Reduce 25mV | Reduce by 15% |
| C≤75% | 3 | Reduce 50mV | Reduce by 30% |
It should be understood that the charging strategy of battery is low when the current environmental temperature of monitoring is lower than preset temperature threshold
Warm charge mode, and the charge parameter of battery is determined under low temperature charging mode according to battery capacity, i.e. the first charging of battery
Voltage and the first charging current.
Further, step S30 includes:
S31 carries out constant-current charge to battery, and constant current value is the first charging current of battery；
Constant-current charge after the preset time that charges, is converted to modified constant-voltage charge, constant pressure value is filling for the first battery by S32
Piezoelectric voltage；
Modified constant-voltage charge is converted to constant-current charge when battery charging reaches the default thresholding of rated capacity by S33,
Constant current value is the first charging current of battery.
Specifically, constant-current charge is carried out to battery first, constant current value is the first charging current of battery, fills the first electric electric current
It is determined by battery capacity, specifically refers to table 1.After generally charging 2-3 hours, constant-current charge is converted into constant voltage and current limiting and is filled
Electricity, constant pressure value select the first charging voltage of battery, and the first charging voltage is determined according to battery capacity.Here rated capacity
Preset threshold be usually rated capacity 80%-90%, i.e., when battery charging reach the 85% of rated capacity when, constant pressure is limited
Current charge is again converted to constant-current charge.It is understood that battery charges conversion capability not when current environmental temperature is lower
By force, it just can be carried out high current quick charge after first carrying out activation a period of time with low current, battery can be effectively improved in this way
Utilization rate extends the service life of battery.
Referring to Fig. 4, Fig. 4 is the 3rd embodiment of battery management method of the present invention, it is based on first embodiment, the property of battery
When energy parameter is battery capacity, when the performance parameter of battery is battery capacity, step S20 includes:
S22, when current environmental temperature is higher than preset temperature threshold, the charging strategy of battery is high-temperature charging mode, In
The second charging voltage and the second charging current of battery are determined under high-temperature charging mode according to battery capacity.
The battery management system moment monitors current environmental temperature, when the current environmental temperature of monitoring is higher than preset temperature threshold
When, corresponding battery charging strategy is high-temperature charging mode, and determines battery according to battery capacity under high-temperature charging mode
Second charging voltage and the second charging current, specifically please refer to above-described embodiment, details are not described herein.Specifically, it is using
When high-temperature charging mode charges to battery, since under high temperature, the charging ability of battery is stronger, larger charging electricity can be directly used
Pressure and larger charging current charge, and to carry out quick charge to battery, when fast fully charged, for example charge to rated capacity
90% when, then slightly reduce charging voltage and charging current and battery can be improved in this way to guarantee that battery is slowly full of
Utilization rate extends the service life of battery.
Further, step 30 includes:
S34 carries out modified constant-voltage charge to battery, and constant pressure value is the second charging voltage of battery；
Modified constant-voltage charge is converted to constant-current charge when battery charging reaches the default thresholding of rated capacity by S35,
Constant current value is the second charging current of battery.
When the charging strategy for determining battery is high-temperature charging mode, modified constant-voltage charge first is carried out to battery, it is permanent here
Pressure value selects the second charging voltage of battery, and the second charging voltage is determined according to battery capacity.Here rated capacity is pre-
If threshold value is usually the 80%-90% of rated capacity, i.e., when battery charging reaches the 85% of rated capacity, constant voltage and current limiting is filled
Electricity is again converted to constant-current charge.It is understood that battery charging conversion capability is stronger, no when current environmental temperature is higher
It needs to carry out low current activation, be charged using generally large electric current, the utilization rate of battery can be improved in this way, extend
The service life of battery.
Referring to Fig. 5, Fig. 5 is the fourth embodiment of battery management method of the present invention, it is based on first embodiment, the property of battery
When energy parameter is battery capacity and charging times, step S20 includes:
S23 determines that the charging strategy of battery is low temperature charging mould when current environmental temperature is lower than preset temperature threshold
Formula, and judge whether the charging times of battery are greater than or equal to preset times threshold value；
S24, if so, determining the third charging voltage and third charging current of battery according to battery capacity；
S25, if it is not, then determining that the third charging voltage of battery and third are filled according to the charging times of battery capacity and battery
Electric current.
In the present embodiment, the performance parameter of battery includes battery capacity and charging times, first according to current environmental temperature
Determine the charging strategy of battery, when current environmental temperature is lower than preset temperature threshold, the charging strategy of battery is that low temperature charges
Then mode again makes comparisons the charging times of battery with preset times threshold value, here presetting at threshold value can be according to according to reality
Situation determines, such as 20 times, 30 times or 50 are inferior, and this is not restricted.It is understood that being greater than or equal in charging times
When preset threshold, battery management system obtains enough battery charge cutoff electricity datas, since battery capacity is to pass through
The charge information of multiple fully charged acquisition determines, then the accuracy and reliability for obtaining battery capacity data can be improved, this
When only need to determine the third charging voltage and third charging current of battery according to battery capacity, specifically can refer to above-mentioned reality
Apply a table 1.When charging times are less than preset threshold, battery management system can according to battery capacity and cell charging times
By the health status of ground monitoring battery, and corresponding charge parameter is determined according to the health status of battery, thus when suitable
Machine carries out different degrees of decompression current limliting to battery charging, extends the service life of battery, delays the aging speed of battery.
It should be noted that battery, during service life, cell charging times can have specific range, such as
300-500 times, thus cell charging times can reflect the health status (degree of aging) of battery, cell charging times are fewer,
The health status of battery is better, and degree of aging is lower；Conversely, cell charging times are bigger, the health status of battery is poorer, aging
Degree is higher, therefore battery management system can determine charge parameter according to cell charging times.Specifically, battery management system
System one group of cell charging times threshold value of setting, cell charging times threshold value can be determining according to the test result of battery, battery
Test result can be obtained using existing testing standard or method, and details are not described herein.Here cell charging times threshold value can
Think 300 times and 500 times, when cell charging times≤300 time, the battery management system choice phase 1 is used as corresponding charging
Parameter charges to battery；When 300 battery capacity≤500 time <, the battery management system choice phase 2 is used as corresponding charging
Parameter charges to battery；When battery capacity > 500 times, the battery management system choice phase 3 is used as corresponding charge parameter pair
Battery charging.Table 2 lists the correspondence mappings relationship of cell charging times T and charging strategy.
The correspondence mappings relation table of 2 battery capacity of table and charge parameter
| Battery capacity | Stage serial number | Charging voltage | Charging current |
| T≤300 | 1 | It is constant | It is constant |
| 300 T≤500 < | 2 | Reduce 25mV | Reduce by 15% |
| T > 500 | 3 | Reduce 50mV | Reduce by 30% |
It is to be appreciated that according to battery capacity and being filled when the performance parameter of battery includes battery capacity and charging times
Electric time Number synthesis obtains the charge parameter of battery, i.e. the third charging voltage and third charging current of battery.
Referring to Fig. 6, Fig. 6 is the 5th embodiment of battery management method of the present invention, it is based on first embodiment, the property of battery
When energy parameter is battery capacity and charging times, step S20 includes:
S26 determines that the charging strategy of battery is high-temperature charging mould when current environmental temperature is higher than preset temperature threshold
Formula, and judge whether the charging times of battery are greater than or equal to preset times threshold value；
S27, if so, determining the 4th charging voltage and the 4th charging current of battery according to battery capacity；
S28, if it is not, then determining that the 4th charging voltage and the 4th of battery is filled according to the charging times of battery capacity and battery
Electric current.
Here the charging strategy of battery is first determined according to current environmental temperature, current environmental temperature is higher than preset temperature threshold
When value, the charging strategy of battery is high-temperature charging mode, then under high-temperature charging mode, by the charging times of battery and is preset
Frequency threshold value is made comparisons, and here presetting at threshold value can be according to determines according to actual conditions, such as 20 times, 30 times or 50 inferior, In
This is with no restriction.It is understood that battery management system obtains enough when charging times are greater than or equal to preset threshold
More battery charge cutoff electricity datas, since battery capacity is determined by the charge information of multiple fully charged acquisition, then
The accuracy and reliability for obtaining battery capacity data can be improved, at this moment only need to determine the of battery according to battery capacity
Four charging voltages and the 4th charging current, specifically can refer to above-described embodiment table 1.When charging times are less than preset threshold,
Battery management system can reliably monitor the health status of battery according to battery capacity and cell charging times, and according to battery
Health status determine corresponding charge parameter, limited to carry out different degrees of decompression to battery charging on suitable opportunity
Stream, extends the service life of battery, delays the aging speed of battery.Come specifically according to battery capacity and cell charging times true
The charge parameter for determining battery can refer to Tables 1 and 2 in above-described embodiment, and details are not described herein.
Optionally, in step S10, battery capacity is acquired by following steps:
The electric discharge duration of the charging times for obtaining battery, the corresponding charging duration that charges every time and battery；
According to the charging times of battery, the charge electric discharge duration of corresponding charging duration and battery determines that battery holds every time
Amount.
In the present embodiment, battery can be decayed with the increase for using duration, battery capacity, so the charging of battery
Duration should also reduce accordingly.
And the charge and discharge of battery and charging times are used equally for the use duration of characterization battery.In this regard, battery management system
System obtains corresponding charging duration, electric discharge duration and charging times when charging every time, and different charging durations is to battery capacity
Attenuation it is different, battery management system can count the first attenuation of the corresponding battery capacity of each charging duration,
Similarly, the second overall attenuation of the battery capacity of each electric discharge duration pair and the battery capacity of current charging times is calculated
Third attenuation, overall attenuation is finally obtained according to three, so that it is determined that the capacity that battery is current.
In addition, the influence of the corresponding charging duration of difference charging times or electric discharge duration to battery capacity is different, charging
Number is bigger, then the influence of corresponding charging duration or electric discharge duration to battery capacity is bigger.For example, charging for the first time
When, charging duration is 0.8 to the influence of fading factor of battery capacity namely the corresponding battery capacity of first time charging duration decays
Amount=0.8*A1, A1 are determined according to the numerical values recited of charging duration；And when charging for the second time, charging duration declines to battery capacity
Subtracting impact factor is the 0.85 namely corresponding battery capacity attenuation=0.85*A2 of second of charging duration.Battery management system
It is the overall attenuation that can determine battery capacity by the influence of fading factor, to determine battery capacity.
To achieve the above object, the present invention also provides a kind of battery management system, the battery management system includes processing
Device, memory and it is stored in the battery management program that can be run on the memory and on a processor, the battery management journey
Sequence realizes each step of battery management method described in embodiment as above when being executed by the processor.
To achieve the above object, the present invention also provides a kind of computer readable storage mediums, which is characterized in that the calculating
Machine readable storage medium storing program for executing is stored with battery management program, and the battery management program realizes embodiment as above when being executed by processor
Each step of the battery management method.
The serial number of the above embodiments of the invention is only for description, does not represent the advantages or disadvantages of the embodiments.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or the system that include a series of elements not only include those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or system institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to do
There is also other identical elements in the process, method of element, article or system.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can be realized by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on this understanding, technical solution of the present invention substantially in other words does the prior art
The part contributed out can be embodied in the form of software products, which is stored in one as described above
In computer readable storage medium (such as ROM/RAM, magnetic disk, CD), including some instructions are used so that a terminal device (can
To be mobile phone, computer, server, air conditioner or the network equipment etc.) execute method described in each embodiment of the present invention.
The above is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of battery management method, which is characterized in that the battery management method the following steps are included:
Obtain the performance parameter of current environmental temperature and battery, wherein the performance parameter of the battery includes battery capacity and fills
At least one of electric number；
The charging strategy of battery is determined according to the performance parameter of current environmental temperature and battery；
It is charged the battery according to the charging strategy of battery.
2. battery management method as described in claim 1, which is characterized in that the performance parameter of the battery is battery capacity
When, the step of performance parameter according to current environmental temperature and battery determines the charging strategy of battery includes:
When current environmental temperature is lower than preset temperature threshold, the charging strategy of battery is low temperature charging mode, is charged in low temperature
The first charging voltage and the first charging current of battery are determined under mode according to battery capacity.
3. battery management method as claimed in claim 2, which is characterized in that the charging strategy according to battery to battery into
Row charging the step of include:
Constant-current charge is carried out to battery, constant current value is the first charging current of battery；
After the preset time that charges, constant-current charge is converted into modified constant-voltage charge, constant pressure value is the first charging voltage of battery；
When battery charging reaches the preset threshold of rated capacity, modified constant-voltage charge is converted into constant-current charge, constant current value is
First charging current of battery.
4. battery management method as described in claim 1, which is characterized in that described when the performance parameter is battery capacity
The step of determining the charging strategy of battery according to the performance parameter of current environmental temperature and battery include:
When current environmental temperature is higher than preset temperature threshold, the charging strategy of battery is high-temperature charging mode, in high-temperature charging
The second charging voltage and the second charging current of battery are determined under mode according to battery capacity.
5. battery management method as claimed in claim 4, which is characterized in that the charging strategy according to battery to battery into
Row charging the step of include:
Modified constant-voltage charge is carried out to battery, constant pressure value is the second charging voltage of battery；
When battery charging reaches the default thresholding of rated capacity, modified constant-voltage charge is converted into constant-current charge, constant current value is
Second charging current of battery.
6. battery management method as described in claim 1, which is characterized in that the performance parameter of the battery includes battery capacity
When with charging times, the step of performance parameter according to current environmental temperature and battery determines the charging strategy of battery packet
It includes:
When current environmental temperature is lower than preset temperature threshold, determine that the charging strategy of battery is low temperature charging mode, and judge
Whether the charging times of battery are greater than or equal to preset times threshold value；
If so, determining the third charging voltage and third charging current of battery according to battery capacity；
If it is not, then determining the third charging voltage and third charging current of battery according to the charging times of battery capacity and battery.
7. battery management method as described in claim 1, which is characterized in that the performance parameter of the battery includes battery capacity
When with charging times, the step of performance parameter according to current environmental temperature and battery determines the charging strategy of battery packet
It includes:
When current environmental temperature is higher than preset temperature threshold, determine that the charging strategy of battery is high-temperature charging mode, and judge
Whether the charging times of battery are greater than or equal to preset times threshold value；
If so, determining the 4th charging voltage and the 4th charging current of battery according to battery capacity；
If it is not, then determining the 4th charging voltage and the 4th charging current of battery according to the charging times of battery capacity and battery.
8. the battery management method as described in any one of claims 1 to 7, which is characterized in that the battery capacity is by following
Step acquires:
The electric discharge duration of the charging times for obtaining battery, the corresponding charging duration that charges every time and battery；
According to the charging times of battery, the charge electric discharge duration of corresponding charging duration and battery determines battery capacity every time.
9. a kind of battery management system, which is characterized in that the battery management system includes processor, memory and is stored in institute
The battery management program that can be run on memory and on the processor is stated, the battery management program is held by the processor
Each step such as the described in any item battery management methods of claim 1-8 is realized when row.
10. a kind of computer readable storage medium, which is characterized in that the computer-readable recording medium storage has battery management
Program realizes such as claim 1-8 described in any item battery management methods when the battery management program is executed by processor
Each step.
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