CN109672000A - Charging method, device, equipment and the storage medium of lithium battery - Google Patents
Charging method, device, equipment and the storage medium of lithium battery Download PDFInfo
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- CN109672000A CN109672000A CN201910127775.8A CN201910127775A CN109672000A CN 109672000 A CN109672000 A CN 109672000A CN 201910127775 A CN201910127775 A CN 201910127775A CN 109672000 A CN109672000 A CN 109672000A
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- charging current
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- 238000007600 charging Methods 0.000 title claims abstract description 267
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 236
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 236
- 238000000034 method Methods 0.000 title claims abstract description 74
- 230000001105 regulatory effect Effects 0.000 claims abstract description 47
- 238000012544 monitoring process Methods 0.000 claims description 23
- 238000004590 computer program Methods 0.000 claims description 6
- 238000004364 calculation method Methods 0.000 claims 1
- 230000005779 cell damage Effects 0.000 abstract description 5
- 208000037887 cell injury Diseases 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 16
- 230000005611 electricity Effects 0.000 description 12
- 230000006378 damage Effects 0.000 description 4
- 230000006870 function Effects 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 2
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000010277 constant-current charging Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005070 sampling 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
- H01M10/44—Methods for charging or discharging
-
- 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
-
- H02J7/0077—
-
- 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
Abstract
The invention discloses a kind of charging method of lithium battery, device, equipment and storage mediums, which comprises in lithium battery charging process, monitors the cell voltage of lithium battery；The state-of-charge of the lithium battery is determined by the cell voltage；According to the state-of-charge, charging current regulating command is generated；The charging current of lithium battery is adjusted according to the charging current regulating command.The present invention gives the maximum charging current that can be born under the lithium battery state by adjusting charging current under different state-of-charges, shortens charging duration, avoids cell damage.
Description
Technical field
The present embodiments relate to lithium battery charging technique fields, and in particular to a kind of charging method of lithium battery, device,
Equipment and storage medium.
Background technique
Dynamic lithium battery key property is to support the charge and discharge of big multiplying power, therefore dynamic lithium battery is commonly applied to new energy vapour
Vehicle needs powerful scene with other.To meet the needs of user is needed for a long time using product, dynamic lithium battery energy is often required that
It is enough to restore in a relatively short period of time completely, so that user continues to use.
In the prior art, lithium battery generallys use the charging modes of first constant current constant-voltage charge again.In the mode that recharges here,
The big multiplying power of constant current first usually is carried out to lithium battery to charge, then then carries out constant-voltage charge.It needs to use during constant-current charge
The electric current of big multiplying power charges to lithium battery, but big multiplying power charging multiple for a long time can cause to damage to lithium battery, influence
The service life of lithium battery.And since lithium battery has different current carrying capabilities under different electricity, work as electric quantity of lithium battery
Current carrying capability is lower when higher.It, can only to avoid lithium battery from damaging during lithium battery carries out constant current charging
Standard is born using electric current of electric quantity of lithium battery when high to charge, and is caused the charging time longer, is influenced user experience.
Summary of the invention
The present invention provides method, apparatus, equipment and the storage medium of a kind of lithium battery quick charge, by adjusting charging electricity
Stream gives the maximum charging current that can be born under the lithium battery state under different state-of-charges, shortens charging duration, avoids electricity
Pond damage.
In a first aspect, the embodiment of the invention provides a kind of charging methods of lithium battery, comprising:
In lithium battery charging process, the cell voltage of lithium battery is monitored；
The state-of-charge of the lithium battery is determined by the cell voltage；
According to the state-of-charge, charging current regulating command is generated；
The charging current of lithium battery is adjusted according to the charging current regulating command.
Further, described according to the state-of-charge, generate charging current regulating command, comprising:
Charging current threshold value is determined according to the state-of-charge；
The charging current regulating command is generated according to the charging current threshold value.
It is further, described that the charging current regulating command is generated according to the charging current threshold value, comprising:
Judge whether the charging current threshold value is greater than the battery charge of the lithium battery；
If the charging current threshold value is greater than the battery charge of the lithium battery, generates the charging current and adjust
Instruction.
Further, the method also includes:
Monitor the battery charge of the lithium battery.
Further, the method also includes:
Monitor whether the battery charge corresponding charging time exceeds the corresponding charging of the battery charge
Time threshold；
If so, generating charging halt instruction；
Stop the charging of the lithium battery according to the charging halt instruction.
Further, the method also includes:
Judge the corresponding battery capacity of the state-of-charge whether be the lithium battery full power state；
If so, generating charging halt instruction；
Stop the charging of the lithium battery according to the charging halt instruction.
In second aspect, the embodiment of the present invention also provides a kind of charging unit of lithium battery, comprising:
Voltage monitoring module, for monitoring the cell voltage of lithium battery in lithium battery charging process；
State determining module, for determining the state-of-charge of the lithium battery by the cell voltage；
Directive generation module, for generating charging current regulating command according to the state-of-charge；
Charging current adjustment module, for adjusting the charging current of lithium battery according to the charging current regulating command.
Further, described instruction generation module includes:
Judging unit, for judging whether the charging current threshold value is greater than the battery charge of the lithium battery；
Instruction generation unit is given birth to if being greater than the battery charge of the lithium battery for the charging current threshold value
At the charging current regulating command.
In the third aspect, the embodiment of the present invention also provides a kind of equipment, and the equipment includes:
One or more processors；
Storage device, for storing one or more programs；
When one or more of programs are executed by one or more of processors, so that one or more of processing
Device realizes the charging method of lithium battery described in first aspect.
In fourth aspect, the embodiment of the present invention also provides a kind of storage medium, which is characterized in that the storage medium includes
The computer program of storage, wherein equipment where controlling the storage medium in computer program operation executes first
The charging method of lithium battery described in aspect.
Detailed description of the invention
Fig. 1 is the flow diagram of the first embodiment of the charging method of the lithium battery of the embodiment of the present invention；
Fig. 2 is the flow diagram of the second embodiment of the charging method of the lithium battery of the embodiment of the present invention；
Fig. 3 is the flow diagram of the 3rd embodiment of the charging method of the lithium battery of the embodiment of the present invention；
Fig. 4 is the flow diagram of the fourth embodiment of the charging method of the lithium battery of the embodiment of the present invention；
Fig. 5 is the flow diagram of the 5th embodiment of the charging method of the lithium battery of the embodiment of the present invention；
Fig. 6 is the flow diagram of the sixth embodiment of the charging method of the lithium battery of the embodiment of the present invention；
Fig. 7 is a kind of structural schematic diagram of the charging unit of lithium battery of the embodiment of the present invention；
Fig. 8 is a kind of structural schematic diagram of equipment of the embodiment of the present invention.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention rather than limiting the invention.It also should be noted that in order to just
Only the parts related to the present invention are shown in description, attached drawing rather than entire infrastructure.
Embodiment one
Since the charging method of traditional dynamic lithium battery is using the charging modes of first constant current constant pressure again, multiple big multiplying power
Charging modes cause lithium battery to damage, and when to lithium battery constant-current charge, using electricity of electric quantity of lithium battery when high
Receiving standard is flowed, causes the charging time longer lithium battery charging with low current, influences user experience.To solve lithium battery charging
The problem of time length and high-power charging cause damage to lithium battery, the present invention provides a kind of charging method of lithium battery, leads to
It overregulates charging current and gives the maximum charging current that can be born under the lithium battery state under different state-of-charges, shorten charging
Duration avoids cell damage.
Fig. 1 is the flow diagram of the first embodiment of the charging method of the lithium battery of the embodiment of the present invention.The present invention mentions
A kind of charging method of the lithium battery supplied can by external equipment integrated control chip or microprocessor as executing subject,
This external equipment can be charger or charging plug etc..The described method includes:
S110, in lithium battery charging process, monitor the cell voltage of lithium battery.
It should be noted that in embodiments of the present invention by battery management system (BMS, the BATTERY in external equipment
MANAGEMENT SYSTEM) the method is executed, during lithium battery charging, the cell voltage of real-time monitoring lithium battery.Tool
Body, the cell voltage of the lithium battery measured is the open-circuit voltage (OCV, Open Circuit Voltage) of lithium battery.
S120, the state-of-charge that the lithium battery is determined by the cell voltage.
Specifically, the corresponding SOC-OCV relation table of the lithium battery, SOC are inquired according to the cell voltage that this detection obtains
(State of Charge, i.e. SOC) is state-of-charge, that is, lithium battery remaining capacity of lithium battery, and SOC-OCV relation table passes through reality
It tests room and acquisition is tested to the lithium battery, in SOC-OCV relation table, each cell voltage has a corresponding state-of-charge.It is logical
It crosses and inquires the corresponding SOC-OCV relation table of the lithium battery, the corresponding lotus of the cell voltage for this time detecting and obtaining can be obtained
Electricity condition determines the state-of-charge of lithium battery by cell voltage.
S130, according to the state-of-charge, generate charging current regulating command；
Specifically, charging current regulating command is generated according to the state-of-charge of lithium battery at this time, charging current adjusting refers to
It enables for the charging current of lithium battery to be adjusted to the maximum electric current that lithium battery can bear under state-of-charge at this time.
As shown in Fig. 2, being the flow diagram of the second embodiment of the charging method of the lithium battery of the embodiment of the present invention.Into
One step, in an implementation example of the embodiment of the present invention, the process of charging current regulating command is generated according to state-of-charge,
Include:
S210, charging current threshold value is determined according to the state-of-charge.
Specifically, the relation table of the corresponding SOC- electric current of the lithium battery, SOC are inquired according to the state-of-charge of lithium battery at this time
(State of Charge, i.e. SOC) is state-of-charge, that is, lithium battery remaining capacity of lithium battery, and the relation table of SOC- electric current is logical
It crosses laboratory and acquisition is tested to the lithium battery, in the relation table of SOC- electric current, the state-of-charge of each lithium battery has a pair
The pairs of maximum charging current values that the lithium battery answered can be born, this pairs of maximum charging current values are also the lithium battery under this state-of-charge
Optimal charge current value.By inquiring the relation table of the corresponding SOC- electric current of the lithium battery, lithium battery at this time can be obtained
The corresponding pairs of maximum charging current values of state-of-charge, i.e., determine the charging current threshold value of the lithium battery according to state-of-charge.
S220, the charging current regulating command is generated according to the charging current threshold value.
Specifically, the charging current threshold value determined according to the state-of-charge of lithium battery at this time generates charging current adjusting and refers to
It enables, which is used to the charging current of lithium battery being adjusted to the charging current threshold value.
As shown in figure 3, being the flow diagram of the 3rd embodiment of the charging method of the lithium battery of the embodiment of the present invention.Into
One step, in an implementation example of the embodiment of the present invention, charging current regulating command is generated according to charging current threshold value
Process, comprising:
S310, judge whether the charging current threshold value is greater than the battery charge of the lithium battery.
Specifically, before generating charging current regulating command according to charging current threshold value, also to judge lithium battery at this time
Charging current value whether meet the charging current threshold value, when the charging current of lithium battery at this time and target current value charge electricity
When stream threshold value is identical, charging current at this time is maintained to enter next state-of-charge until the cell voltage of the lithium battery changes.
If S320, the charging current threshold value are greater than the battery charge of the lithium battery, the charging electricity is generated
Flow regulating command.
Specifically, when lithium battery charging current value at this time is compared with the charging current threshold value, judge lithium battery at this time
Charging current value be less than the charging current threshold value when, generate charging current regulating command；The charging current regulating command is used for
The charging current for adjusting lithium battery, makes charging current increase to the charging current threshold value.
S140, the charging current that lithium battery is adjusted according to the charging current regulating command.
Specifically, the charging module to charge to lithium battery is controlled according to the charging current regulating command of generation, so that charging
Module adjusts the charging current exported to the lithium battery, to realize offer charging current identical with charging current threshold value.It is real
The maximum charging current that can be born under the lithium battery state is given under difference state-of-charge now.
It should be noted that a kind of charging method of lithium battery provided in an embodiment of the present invention, in lithium battery charging process
In, monitor the cell voltage of lithium battery；The state-of-charge of the lithium battery is determined by the cell voltage；According to described charged
State generates charging current regulating command；The charging current of lithium battery is adjusted according to the charging current regulating command.By
The cell voltage of real-time monitoring lithium battery in the charging process of lithium battery, to obtain the current state-of-charge of lithium battery, and root
Charging current regulating command is generated according to state-of-charge, so that after the charging current of lithium battery is adjusted by charging current regulating command
Charging current can be born for maximum of the lithium battery under the state-of-charge, is realized under the charged state where being supplied to lithium battery
Maximum can bear electric current, so as to shorten the charging time of lithium battery；And the charging modes by adjusting charging current provide lithium
The low power charging modes of battery avoid cell damage, improve user experience.
Embodiment two
Fig. 4 is the flow diagram of the fourth embodiment of the charging method of the lithium battery of the embodiment of the present invention.In embodiment
On the basis of one, embodiment adds the monitorings of the battery charge to lithium battery, to more accurately realize charging electricity
Flow the generation of regulating command.In embodiments of the present invention, the method also includes:
Monitor the battery charge of the lithium battery.
Specifically, the battery charge of lithium battery can synchronize monitoring when monitoring the cell voltage of lithium battery, or
The battery charge that lithium battery is carried out when generating charging current regulating command according to the state-of-charge of lithium battery at this time monitors.
In an implementation example of the embodiment of the present invention, the battery charge of lithium battery is in the battery for monitoring lithium battery
Monitoring is synchronized when voltage, the charging method of lithium battery includes:
S410, in lithium battery charging process, monitor the cell voltage and battery charge of lithium battery.
Specifically, during lithium battery charges, while the cell voltage of lithium battery and the charging current of battery being monitored.
S420, the state-of-charge that the lithium battery is determined by the cell voltage；
S430, charging current threshold value is determined according to the state-of-charge；
The battery charge that S440, acquisition monitor.
Specifically, when the relation table for inquiring the corresponding SOC- electric current of the lithium battery according to state-of-charge, lithium electricity at this time is obtained
The corresponding pairs of maximum charging current values of the state-of-charge in pond, i.e., determine the charging current threshold value of the lithium battery according to state-of-charge
Afterwards, the battery charge obtained before acquisition with cell voltage Simultaneous Monitoring, to be charged according to the battery charge
The judgement of current regulation.
S450, judge whether the charging current threshold value is greater than the battery charge of the lithium battery；
If S460, the charging current threshold value are greater than the battery charge of the lithium battery, the charging electricity is generated
Flow regulating command；
S470, the charging current that lithium battery is adjusted according to the charging current regulating command.
It should be noted that the synchronous cell voltage for carrying out lithium battery and battery fill by lithium battery charging process
The monitoring of electric current reduces the error that charging current is adjusted.And another in the embodiment of the present invention is implemented in example, lithium electricity
The monitoring of the battery charge in pond can also carry out after determining charging current threshold value according to the state-of-charge of lithium battery at this time, real
The direct sampling of the battery charge of existing lithium battery.
Embodiment three
Fig. 5 is the flow diagram of the 5th embodiment of the charging method of the lithium battery of the embodiment of the present invention.In embodiment
On the basis of one or two, embodiment adds the functions that charge protection is carried out according to the charging time, in embodiments of the present invention,
The charging method of lithium battery further include:
S510, that whether the monitoring battery charge corresponding charging time exceeds the battery charge is corresponding
Charging time threshold.
Specifically, also monitoring is charged in this battery when the corresponding battery charge of offer charges to lithium battery
Electric current to lithium battery charge so that lithium battery cell voltage change enter next state-of-charge charging time whether exceed it is pre-
If the corresponding charging time threshold of the battery charge, pass through the monitoring in the charging time to battery charge, realize
The timely discovery for the exception that charges.
S520, the halt instruction if so, generation is charged.
Specifically, when judging the battery charge corresponding charging time beyond the corresponding charging of the battery charge
When time threshold, that is, assert that lithium battery charging at this time is abnormal, generate charging halt instruction；The charging halt instruction is for stopping lithium
The charging of battery avoids lithium battery from damaging by stopping the charging of lithium battery in time.
S530, the charging for stopping the lithium battery according to the charging halt instruction.
Specifically, the power supply to lithium battery is stopped according to the charging halt instruction control charging module of generation.
Further, Fig. 6 is the flow diagram of the sixth embodiment of the charging method of the lithium battery of the embodiment of the present invention.
On the basis of embodiment one or two, in embodiments of the present invention, the charging method of lithium battery further include:
S610, judge the corresponding battery capacity of the state-of-charge whether be the lithium battery full power state.
Specifically, by judge the corresponding battery capacity of state-of-charge whether be the lithium battery full power state, realize
To lithium battery whether the real-time monitoring of charging complete, enable and invented in time when lithium battery charging complete, avoid the energy
Loss and the battery life for influencing lithium battery.
S620, the halt instruction if so, generation is charged.
It specifically, is to judge this when judging the corresponding battery capacity of state-of-charge for the full power state of the lithium battery
When electric quantity of lithium battery have been filled with, then generate charging halt instruction；The charging halt instruction is used to stop the charging of lithium battery, passes through
The charging for stopping lithium battery in time, avoids lithium battery from damaging.
S630, the charging for stopping the lithium battery according to the charging halt instruction.
Specifically, the power supply to lithium battery is stopped according to the charging halt instruction control charging module of generation.
Example IV
As shown in fig. 7, being the structural schematic diagram of the charging unit of the lithium battery of the embodiment of the present invention.The present invention also provides one
The charging unit of kind lithium battery, the charging unit are applicable to execute the charging side of any lithium battery of embodiment one to three
Method, the charging unit of lithium battery, comprising:
Voltage monitoring module 701, for monitoring the cell voltage of lithium battery in lithium battery charging process；
State determining module 702, for determining the state-of-charge of the lithium battery by the cell voltage；
Directive generation module 703, for generating charging current regulating command according to the state-of-charge；
Charging current adjustment module 704, for adjusting the charging current of lithium battery according to the charging current regulating command.
Further, directive generation module 703 includes:
Judging unit, for judging whether the charging current threshold value is greater than the battery charge of the lithium battery；
Instruction generation unit is given birth to if being greater than the battery charge of the lithium battery for the charging current threshold value
At the charging current regulating command.
It should be noted that a kind of charging method of lithium battery provided in an embodiment of the present invention, in lithium battery charging process
In, monitor the cell voltage of lithium battery；The state-of-charge of the lithium battery is determined by the cell voltage；According to described charged
State generates charging current regulating command；The charging current of lithium battery is adjusted according to the charging current regulating command.By
The cell voltage of real-time monitoring lithium battery in the charging process of lithium battery, to obtain the current state-of-charge of lithium battery, and root
Charging current regulating command is generated according to state-of-charge, so that after the charging current of lithium battery is adjusted by charging current regulating command
Charging current can be born for maximum of the lithium battery under the state-of-charge, is realized under the charged state where being supplied to lithium battery
Maximum can bear electric current, so as to shorten the charging time of lithium battery；And the charging modes by adjusting charging current provide lithium
The low power charging modes of battery avoid cell damage, improve user experience.
Embodiment five
The embodiment of the present invention also provides a kind of equipment, and the equipment includes:
One or more processors；
Storage device, for storing one or more programs；
When one or more of programs are executed by one or more of processors, so that one or more of processing
Device realizes the charging method of lithium battery of the embodiment one into embodiment three in any embodiment.
As shown in figure 8, a kind of structural schematic diagram of the equipment provided for the embodiment of the present invention five, which includes processor
801 and storage device 802；The quantity of processor 801 can be one or more in equipment, be with a processor 801 in Fig. 8
Example；Processor 801 in equipment can be connected with storage device 802 by bus or other modes, to be connected by bus in Fig. 8
It is connected in example.
Storage device 802 is used as a kind of computer readable storage medium, and it is executable to can be used for storing software program, computer
Program and module, if the corresponding program instruction/module of the command handling method in the embodiment of the present invention is (for example, voltage monitoring
Module 701, state determining module 702, directive generation module 703 and charging current adjustment module 704).Processor 801 passes through fortune
The row software program, instruction and the module that are stored in storage device 802, thereby executing in equipment various function application and
Above-mentioned command handling method is realized in data processing.
Embodiment six
The embodiment of the present invention also provides a kind of storage medium, and the storage medium includes the computer program of storage, wherein
Equipment where the storage medium, which is controlled, in computer program operation executes any reality into embodiment three of embodiment one
Apply the charging method of the lithium battery in example.
Certainly, a kind of storage medium of processor-executable instruction, processor provided by the embodiment of the present invention can be held
The method operation that row instruction is not limited to the described above, can also be performed the charging of lithium battery provided by any embodiment of the invention
Relevant operation in method.
In conclusion charging method, device, equipment and the storage medium of a kind of lithium battery provided in an embodiment of the present invention,
In lithium battery charging process, the cell voltage of lithium battery is monitored；The charged of the lithium battery is determined by the cell voltage
State；According to the state-of-charge, charging current regulating command is generated；Lithium battery is adjusted according to the charging current regulating command
Charging current.By the cell voltage of the real-time monitoring lithium battery in the charging process of lithium battery, work as to obtain lithium battery
Preceding state-of-charge, and charging current regulating command is generated according to state-of-charge, so that the charging current of lithium battery passes through charging
Current regulation instruction is that maximum of the lithium battery under the state-of-charge can bear charging current after adjusting, and realization is supplied to lithium battery
Maximum under the charged state at place can bear electric current, so as to shorten the charging time of lithium battery；And by adjusting charging electricity
The charging modes of stream provide the low power charging modes of lithium battery, avoid cell damage, improve user experience.
By the description above with respect to embodiment, it is apparent to those skilled in the art that, the present invention
It can be realized by software and required common hardware, naturally it is also possible to which by hardware realization, but in many cases, the former is more
Good embodiment.Based on this understanding, technical solution of the present invention substantially in other words contributes to the prior art
Part can be embodied in the form of software products, which can store in computer readable storage medium
In, floppy disk, read-only memory (Read-Only Memory, ROM), random access memory (Random such as computer
Access Memory, RAM), flash memory (FLASH), hard disk or CD etc., including some instructions are with so that a computer is set
Standby (can be personal computer, server or the network equipment etc.) executes method described in each embodiment of the present invention.
It is worth noting that, included each unit and module are only in the embodiment of the charging method of above-mentioned lithium battery
It is to be divided according to the functional logic, but be not limited to the above division, as long as corresponding functions can be realized；Separately
Outside, the specific name of each functional unit is also only for convenience of distinguishing each other, the protection scope being not intended to restrict the invention.
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that
The invention is not limited to the specific embodiments described herein, be able to carry out for a person skilled in the art it is various it is apparent variation,
It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out by above embodiments to the present invention
It is described in further detail, but the present invention is not limited to the above embodiments only, without departing from the inventive concept, also
It may include more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.
Claims (10)
1. a kind of charging method of lithium battery characterized by comprising
In lithium battery charging process, the cell voltage of lithium battery is monitored；
The state-of-charge of the lithium battery is determined by the cell voltage；
According to the state-of-charge, charging current regulating command is generated；
The charging current of lithium battery is adjusted according to the charging current regulating command.
2. the charging method of lithium battery as described in claim 1, which is characterized in that it is described according to the state-of-charge, it generates
Charging current regulating command, comprising:
Charging current threshold value is determined according to the state-of-charge；
The charging current regulating command is generated according to the charging current threshold value.
3. the charging method of lithium battery as claimed in claim 2, which is characterized in that described raw according to the charging current threshold value
At the charging current regulating command, comprising:
Judge whether the charging current threshold value is greater than the battery charge of the lithium battery；
If the charging current threshold value is greater than the battery charge of the lithium battery, generates the charging current adjusting and refer to
It enables.
4. the charging method of lithium battery as claimed in claim 3, which is characterized in that the method also includes:
Monitor the battery charge of the lithium battery.
5. the charging method of lithium battery as claimed in claim 3, which is characterized in that the method also includes:
Monitor whether the battery charge corresponding charging time exceeds the battery charge corresponding charging time
Threshold value；
If so, generating charging halt instruction；
Stop the charging of the lithium battery according to the charging halt instruction.
6. the charging method of lithium battery as described in claim 1, which is characterized in that the method also includes:
Judge the corresponding battery capacity of the state-of-charge whether be the lithium battery full power state；
If so, generating charging halt instruction；
Stop the charging of the lithium battery according to the charging halt instruction.
7. a kind of charging unit of lithium battery characterized by comprising
Voltage monitoring module, for monitoring the cell voltage of lithium battery in lithium battery charging process；
State determining module, for determining the state-of-charge of the lithium battery by the cell voltage；
Directive generation module, for generating charging current regulating command according to the state-of-charge；
Charging current adjustment module, for adjusting the charging current of lithium battery according to the charging current regulating command.
8. the device of lithium battery quick charge as claimed in claim 7, which is characterized in that described instruction generation module includes:
Judging unit, for judging whether the charging current threshold value is greater than the battery charge of the lithium battery；
Instruction generation unit generates institute if being greater than the battery charge of the lithium battery for the charging current threshold value
State charging current regulating command.
9. a kind of equipment, which is characterized in that the equipment includes:
One or more processors；Storage device, for storing one or more programs；
When one or more of programs are executed by one or more of processors, so that one or more of processors are real
Now such as the charging method of lithium battery as claimed in any one of claims 1 to 6.
10. a kind of storage medium, which is characterized in that the storage medium includes the computer program of storage, wherein in the meter
Equipment executes the lithium battery as described in claim 1 to 6 any one calculation machine program controls the storage medium when running where
Charging method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910127775.8A CN109672000A (en) | 2019-02-19 | 2019-02-19 | Charging method, device, equipment and the storage medium of lithium battery |
Applications Claiming Priority (1)
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