CN110504728A - A kind of batter-charghing system, method, apparatus, computer equipment and storage medium - Google Patents
A kind of batter-charghing system, method, apparatus, computer equipment and storage medium Download PDFInfo
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- CN110504728A CN110504728A CN201910799563.4A CN201910799563A CN110504728A CN 110504728 A CN110504728 A CN 110504728A CN 201910799563 A CN201910799563 A CN 201910799563A CN 110504728 A CN110504728 A CN 110504728A
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- 238000000034 method Methods 0.000 title claims abstract description 37
- 238000003860 storage Methods 0.000 title claims abstract description 16
- 238000007600 charging Methods 0.000 claims abstract description 166
- 230000006978 adaptation Effects 0.000 claims abstract description 26
- 230000005611 electricity Effects 0.000 claims description 41
- 238000004590 computer program Methods 0.000 claims description 12
- 230000006837 decompression Effects 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 abstract description 66
- 229910052744 lithium Inorganic materials 0.000 abstract description 66
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 abstract description 18
- 229910001416 lithium ion Inorganic materials 0.000 abstract description 18
- 238000010586 diagram Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 10
- 239000004065 semiconductor Substances 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 5
- 230000006870 function Effects 0.000 description 4
- 238000011897 real-time detection Methods 0.000 description 3
- 230000006641 stabilisation Effects 0.000 description 3
- 238000011105 stabilization Methods 0.000 description 3
- 230000004913 activation Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000010277 constant-current charging Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 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
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M10/4257—Smart batteries, e.g. electronic circuits inside the housing of the cells or batteries
-
- 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
- H01M10/44—Methods for charging or discharging
- H01M10/443—Methods for charging or discharging in response to temperature
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
-
- 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
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The present invention is suitable for battery and charges field, provides a kind of batter-charghing system, method, apparatus, computer equipment and storage medium wherein the batter-charghing system includes: power adaptation connector and provides power input for batter-charghing system;Power supply pre-conditioner modules, the voltage for exporting power adaptation connector is adjusted to specified range, and exports to charger module;Charger module, for charging for battery pack to be charged;Controller controls the operating mode of power supply pre-conditioner modules, to guarantee that the output voltage of charger module matches with charging voltage needed for battery pack to be charged.The embodiment of the present invention is by obtaining charging voltage and charging current required for Intelligent lithium battery group, the output voltage of charger is adjusted in real time, make the more convenient to use of Intelligent lithium battery group, greatly reduce cost, control is precisely efficient, the security application for guaranteeing lithium ion battery, reduces the security risk of lithium ion battery applications.
Description
Technical field
The invention belongs to battery charging field more particularly to a kind of batter-charghing system, method, apparatus, computer equipments
And storage medium.
Background technique
Lithium ion battery because there is high-energy density, high efficiency, reusable, at present digital product,
The fields such as portable device, energy storage extensive application.
Lithium ion battery is due to itself electrochemical properties, and more demanding to charging process, the different charging time are to charging
Voltage, electric current and temperature have different requirements, under normal circumstances, can all control to the charging process of lithium ion battery
System, and with Internet of Things, intelligentized development, it is more and more to be based on SmBus (System Management Bus) interface,
The intelligent lithium ion battery pack for meeting SBDS (Smart Battery Data) is generalized use.But due to end host application
Difference, the voltage platform and amount of capacity of these Intelligent lithium battery groups are not quite similar, so they also tend to need different size
Dedicated charger, while mating different power supply adaptor being needed to charge, the lithium battery of various specifications is caused to need to match
It sets different charging systems to charge, improves the production and application cost of lithium battery, the also big discounting of the ease for use of lithium battery
Button.
It can be seen that the prior art, when charging, is needing to configure dedicated charging system to lithium ion battery, lead
It causes the generation of lithium ion battery, use cost all to increase, is badly in need of solving.
Summary of the invention
The embodiment of the present invention is designed to provide a kind of batter-charghing system, method, apparatus, computer equipment and storage
Medium, it is intended to solve the prior art and, when charging, need to configure dedicated charging system to lithium ion battery, lead to lithium
The technical issues of generation of ion battery, use cost all increase.
The embodiments of the present invention are implemented as follows, a kind of batter-charghing system, and the batter-charghing system includes:
Power adaptation connector, is connected to external power supply, provides power input for the batter-charghing system;
Power supply pre-conditioner modules are connected to the power adaptation connector, for exporting the power adaptation connector
Voltage be adjusted to specified range, and export to charger module;
The charger module is connected to battery pack to be charged, for charging for the battery pack to be charged;And
Controller controls the operating mode of the power supply pre-conditioner modules, to guarantee the output electricity of the charger module
Pressure matches with charging voltage needed for the battery pack to be charged;
Wherein, the controller obtains the input voltage of the power adaptation connector by built-in A/D converter, passes through
The output voltage of the I/O mouthfuls of control power supply pre-conditioner modules, by SMbus bus and the charger module and to be charged
Battery pack is communicated, and the required charging voltage of the battery pack to be charged and the finger of the control charger module are obtained
Determine output voltage and charging current.
The another object of the embodiment of the present invention is to provide a kind of method for charging batteries, and the method for charging batteries includes:
Obtain the output voltage of power supply adaptor and the charge requirement voltage of battery to be charged;
The output voltage is adjusted according to the charge requirement voltage, guarantees the output voltage and the charging
After demand voltage matches, charge to the battery to be charged.
The another object of the embodiment of the present invention is to provide a kind of battery charger, and the battery charger includes:
Information acquisition unit, for obtaining the output voltage of power supply adaptor and the charge requirement voltage of battery to be charged;
It adjusts unit and guarantees the output for the output voltage to be adjusted according to the charge requirement voltage
After voltage and the charge requirement voltage match, charge to the battery to be charged.
The another object of the embodiment of the present invention is to provide a kind of computer equipment, including memory and processor, described
Computer program is stored in memory, when the computer program is executed by the processor, so that the processor executes
The step of method for charging batteries described in any one of claim 6 to 7 claim.
The another object of the embodiment of the present invention is to provide a kind of computer readable storage medium, described computer-readable to deposit
Computer program is stored on storage media, when the computer program is executed by processor, so that the processor perform claim
It is required that the step of method for charging batteries described in any one of 6 to 7 claims.
A kind of batter-charghing system, method, apparatus, computer equipment and storage medium provided in an embodiment of the present invention lead to
Charging voltage and charging current required for acquisition Intelligent lithium battery group are crossed, adjusts the output voltage of charger, difference rule in real time
Lattice intelligence lithium electricity group, the compatible of different size power supply adaptor use, and make the more convenient to use of Intelligent lithium battery group, drop significantly
Low cost, control is precisely efficient, guarantees the security application of lithium ion battery, reduces the security risk of lithium ion battery applications.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of batter-charghing system provided in an embodiment of the present invention;
Fig. 2 is a kind of circuit block diagram of voltage pre-conditioner modules provided in an embodiment of the present invention;
Fig. 3 is a kind of circuit block diagram of SMbus charger provided in an embodiment of the present invention;
Fig. 4 is a kind of circuit block diagram of battery pack to be charged provided in an embodiment of the present invention;
Fig. 5 is the circuit block diagram of electricity calibration module provided in an embodiment of the present invention;
Fig. 6 is the flow chart of power supply pre-conditioner modules provided in an embodiment of the present invention work;
Fig. 7 is the flow chart of method for charging batteries provided in an embodiment of the present invention;
Fig. 8 is the flow chart of electricity provided in an embodiment of the present invention calibration;
Fig. 9 is the structural schematic diagram of battery charger provided in an embodiment of the present invention;
Figure 10 is the internal structure chart of computer equipment provided in an embodiment of the present invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Fig. 1 is batter-charghing system provided in an embodiment of the present invention, as shown in Figure 1, in electricity provided in an embodiment of the present invention
In the charging system of pond, comprising:
Power adaptation connector 101, is connected to external power supply, provides power input for the batter-charghing system.
In embodiments of the present invention, power adaptation connector 101 is a kind of power supply conversion equipment, and exchange input is turned
It is changed to direct current output, is generally made of components such as shell, transformer, inductance, capacitor, control IC, pcb boards, it is specific to be arranged
The present invention is with no restrictions.In embodiments of the present invention, power adaptation connector 101 is the power input port of charger.
Power supply pre-conditioner modules 102 are connected to the power adaptation connector, for the power adaptation connector is defeated
Voltage out is adjusted to specified range, and exports to charger module.
In embodiments of the present invention, power supply pre-conditioner modules 102 are buck DC/DC circuits, and operating mode is controlled
Device 103 controls, and can work in boost mode, decompression mode and bypass mode.As an embodiment of the present invention, Fig. 2 shows
A kind of circuit block diagram of voltage pre-conditioner modules provided in an embodiment of the present invention, wherein voltage pre-conditioner modules include four
Metal-oxide-semiconductor Q1、Q2、Q3、Q4An and inductance L1, wherein four metal-oxide-semiconductors all use N-channel MOS pipe, Q1The pole S and Q2The pole D connect
It connects and is connected to inductance L together1One section, inductance L1The other end be connected to Q3The pole D and Q4The pole S, Q2The pole S and Q3D
Pole is grounded respectively, input power Vs1From metal-oxide-semiconductor Q1The pole D input, through voltage pre-conditioner modules conciliation after, be converted to Vs2From MOS
Pipe Q4The output of the pole D, complete adjusting to voltage.Wherein metal-oxide-semiconductor Q1、Q2、Q3、Q4The pole G be connected to controller, for receiving
The control signal of controller, and then the on-off of metal-oxide-semiconductor is controlled, realize the function that voltage is adjusted.
Charger module 103 is connected to battery pack to be charged, for charging for the battery pack to be charged.
In embodiments of the present invention, for charger module using SMbus charger, SMbus charging is in normal charge
On the basis of device, SMbus communication interface and control chip are increased, controller can join charger by SMbus bus
Number configuration, the charging current of the specified charging voltage of control charger output, charge control adjustment is flexibly, rapidly.SMbus charging
Device is lithium battery dedicated charger, in addition to having lithium battery preliminary filling-constant current-constant voltage charge modes, is also equipped with multiple security protection
Function has input voltage over-voltage, under-voltage detection, input current over-current detection, and charging over-voltage detects, and charging excess temperature is detected and filled
Electric guardtime guarantees that lithium battery charging process is safe and reliable.
Fig. 3 shows a kind of circuit block diagram of the SMbus charger provided in the embodiment of the present invention, as shown in figure 3, this hair
The model bq24770 of the control chip for the charger that bright embodiment provides, the connection and use of pin are all this field skills
Art personnel know that the present invention is not repeating.
Controller 104 controls the operating mode of the power supply pre-conditioner modules, to guarantee the output of the charger module
Voltage matches with charging voltage needed for the battery pack to be charged.
As an embodiment of the present invention, controller 104 uses MCU ((Microcontroller Unit;Microcontroller list
Member), also known as one chip microcomputer (Single Chip Microcomputer) or single-chip microcontroller are central processing unit
(Central Process Unit;CPU frequency) and specification do appropriate reduction, and by memory (memory), counter
(Timer), the perimeter interfaces such as USB, A/D conversion, UART, PLC, DMA or even LCD driving circuit are all integrated on a single chip,
Form the computer of chip-scale.In the present invention is implemented, MCU is the case where having battery pack to be inserted into or power supply adaptor is inserted into
Under, battery charge information inquiry instruction is sent to battery pack by SMbus bus every 1s, obtains the limitation of battery pack to be charged
Charging voltage and required charging current;After the battery pack charge information conversion that will acquire simultaneously by SMbus by charging voltage and
Charging current is transmitted to SMbus charger, SMbus the charger charging voltage and charging specified by the information output of MCU configuration
Electric current charges to battery pack.
As an embodiment of the present invention, Fig. 4 shows a kind of electricity of battery pack to be charged provided in an embodiment of the present invention
Road block diagram, wherein battery pack 105 to be charged is Intelligent lithium battery group, and Intelligent lithium battery group, which is different from general lithium battery group, is: removing
Have outside the safeguard protection of battery, is also equipped with the real time monitoring of the states such as cell voltage current temperature, electricity calculates, multistage protects
The functions such as shield, communication, are generally communicated using SMbus;Intelligent lithium battery group is written with the electricity when manufacturing in firmware
The limitation charging voltage and charging current of pond group, and charging voltage and charging current are that have different need according to battery different conditions
It wants, for example the charging current that Intelligent lithium battery group is requested in the case of battery undervoltage is priming mode, charging current very little works as electricity
When pond is in high temperature mode, the charging voltage of Intelligent lithium battery group request can be reduced, and improve the security application of lithium battery.MCU is only
Then the charging limitation voltage and charging current value that Intelligent lithium battery group need to be read are configured to SMbus charger, SMbus charging
Device exports the charging voltage of Intelligent lithium battery group needs according to the information of configuration and charging current charges.
In embodiments of the present invention, controller preconditions mould by SMbus bus and the power adaptation connector, power supply
Block, charger module and battery pack to be charged are communicated, to obtain the input voltage, described of the power adaptation connector
The output voltage of power supply pre-conditioner modules, the output voltage of the charger module and the battery pack to be charged it is required
Charging voltage, then the output voltage of the charging voltage real-time control charger according to required for lithium battery group, guarantees lithium battery
Charging safely, effectively.
The embodiment of the present invention adjusts fill in real time by obtaining charging voltage and charging current required for Intelligent lithium battery group
The output voltage of electric appliance, different size intelligence lithium electricity group, the compatible of different size power supply adaptor use, and make Intelligent lithium battery group
It is more convenient to use, greatly reduce cost, control is precisely efficient, guarantees the security application of lithium ion battery, reduce lithium from
The security risk of sub- battery applications.
Fig. 5 shows the circuit block diagram of the electricity calibration module provided in the embodiment of the present invention.The embodiment of the present invention provides
Batter-charghing system in, further includes:
Electricity calibration module 106 is connected to the battery pack to be charged, first discharges for controlling the battery pack to be charged
To electric discharge off state, it is recharged to charge cutoff state, realizes that electricity calibrates
In embodiments of the present invention, if the long-term work of Intelligent lithium battery group and shallowly filling the state shallowly put, intelligent lithium
The voltameter of battery pack may cause Intelligent lithium battery group electricity display inaccuracy because of the scores accumulated error of electric current, or
Intelligent battery is stored always in idle state, because of the electricity display inaccuracy caused by the power consumption, is at this time needed electric to intelligent lithium
Pond group carries out a full circulation full of electric discharge, with the voltameter of this calibration battery.Electricity calibration module can control charger work
As calibration mode, Intelligent lithium battery group access ohmic load discharges to battery first, battery capacity is discharged to and is put
Electricity cut-off, Intelligent lithium battery group electricity discharges completely, then fully charged to Intelligent lithium battery group again, completes to Intelligent lithium battery group
Electricity calibration.
Further include LED display module in batter-charghing system provided in an embodiment of the present invention, be connected to the controller,
For showing the charged state and align mode of the battery pack to be charged.
In embodiments of the present invention, LED is shown for showing battery charging state and align mode, the fully charged display of battery
For green, battery is shown as yellow in charging, and charge fault is shown in red, and align mode is red flashing, straight convenient for user
It sees and understands battery charging state and align mode.
In batter-charghing system provided in an embodiment of the present invention, the power supply pre-conditioner modules be provided with boost mode,
Decompression mode and bypass mode, the operating mode of the control power supply pre-conditioner modules, to guarantee the charger mould
The output voltage of block matches with charging voltage needed for the battery pack to be charged, comprising:
When the input voltage of the power supply adaptor is higher than the maximum charging voltage of the charger module, described in control
The work of power supply pre-conditioner modules is in decompression mode, so that the input voltage of the power supply adaptor preconditions mould by the power supply
After block, voltage is less than or equal to the maximum charging voltage of the charging module;
When the input voltage of the power supply adaptor is lower than the limitation charging voltage of the battery pack to be charged, institute is controlled
The work of power supply pre-conditioner modules is stated in boost mode, so that the input voltage of the power supply adaptor is preconditioned by the power supply
After module, voltage is greater than or equal to the limitation charging voltage of the battery pack to be charged;
When the input voltage of the power supply adaptor is in the maximum charging voltage of the charger module and described to be charged
When between the limitation charging voltage of battery pack, the power supply pre-conditioner modules work is controlled in bypass mode.
Fig. 6 shows the flow chart of power supply pre-conditioner modules in the embodiment of the present invention, wherein charging system is in control battery
Before being charged, the charging that can first turn off the charger is enabled, guarantees that charger does not work, then judges battery to be charged
Group whether have already accessed in charging system, after battery is linked into charging system, obtain battery pack charging voltage and
Charging current.
In embodiments of the present invention, MCU acquires real-time detection power supply adaptor input voltage by AD, works as power supply adaptor
When input voltage is higher than SMbus charger maximum charging voltage Vmax, it is decompression mould that MCU, which controls power supply preconditioner operating mode,
Input voltage is down to the voltage that SMbus charger can be born, is denoted as Vbuck by formula;
MCU is communicated by SMbus bus and Intelligent lithium battery group, limitation charging voltage needed for obtaining Intelligent lithium battery group
Vchg and charging current Ichg, when power supply adaptor input voltage is lower than Intelligent lithium battery group limitation charging voltage, MCU control
Power supply preconditioner operating mode is boost mode, and input voltage is risen to the electricity of Intelligent lithium battery group limitation charging voltage or more
Pressure, is denoted as Vboost;
When MCU detection power supply adaptor input voltage is in Vin < Vin < Vmax state, MCU controls power supply preconditioner
Operating mode is bypass mode, and power supply adaptor input is connected directly to the input of SMbus charger, and specific by-pass method can be
Metal-oxide-semiconductor is controlled using MCU or relay switch constitutes and disconnects power supply preconditioner, and short circuit input power supply adaptor is realized.
The embodiment of the present invention passes through the setting of power supply pre-conditioner modules, can be according to battery charging voltage control actually required
The output voltage of charger processed, the stabilization of guarantee battery charging, safe and efficient progress.
The embodiment of the present invention adjusts fill in real time by obtaining charging voltage and charging current required for Intelligent lithium battery group
The output voltage of electric appliance, different size intelligence lithium electricity group, the compatible of different size power supply adaptor use, and make Intelligent lithium battery group
It is more convenient to use, greatly reduce cost, control is precisely efficient, guarantees the security application of lithium ion battery, reduce lithium from
The security risk of sub- battery applications.
Fig. 7 shows a kind of flow chart of method for charging batteries provided in an embodiment of the present invention, as shown, in the present invention
In a kind of method for charging batteries that embodiment provides, specifically comprise the following steps:
Step S702 obtains the output voltage of power supply adaptor and the charge requirement voltage of battery to be charged.
In embodiments of the present invention, the output voltage of power supply adaptor refers to electric main after power supply adaptor is adjusted
The DC voltage of output, generally directly acts on charger, and charge requirement voltage refers to the real-time requirement of battery charging to be charged
Voltage, there are three the charging stages for general lithium ion battery: precharge, in lithium ion battery under over-discharge state, charger
Charging activation is carried out with smaller current versus cell group, is switched to when cell voltage is slowly restored to nominal charging voltage range
Constant-current charging phase, at this moment charger is charged with constant electric current to battery pack, rises to limitation charging voltage to cell voltage
When switch to constant-voltage charge, charging voltage is kept constant, and gradually decreases charging current, is then recognized when electric current drops to a certain particular value
Fully charged for battery, charging process stops.
As an embodiment of the present invention, the output voltage of power supply adaptor is acquired by AD acquisition module, passes through SMbus
The charge requirement voltage for obtaining battery to be charged sends battery charging letter to battery pack to be charged by SMbus bus every 1s
Inquiry instruction is ceased, the limitation charging voltage and required charging current of Intelligent lithium battery group to be charged are obtained.
Step S704 is adjusted the output voltage according to the charge requirement voltage, guarantees the output voltage
After matching with the charge requirement voltage, charge to the battery to be charged.
In embodiments of the present invention, by SMbus that charging voltage and charging is electric after the pond group charge information conversion of acquisition
It is streamed to SMbus charger, SMbus the charger charging voltage and charging current specified by the information output of MCU configuration are given
Battery pack charging.
In embodiments of the present invention, MCU acquires real-time detection power supply adaptor input voltage by AD, works as power supply adaptor
When input voltage is higher than SMbus charger maximum charging voltage Vmax, it is decompression mould that MCU, which controls power supply preconditioner operating mode,
Input voltage is down to the voltage that SMbus charger can be born, is denoted as Vbuck by formula;
MCU is communicated by SMbus bus and Intelligent lithium battery group, limitation charging voltage needed for obtaining Intelligent lithium battery group
Vchg and charging current Ichg, when power supply adaptor input voltage is lower than Intelligent lithium battery group limitation charging voltage, MCU control
Power supply preconditioner operating mode is boost mode, and input voltage is risen to the electricity of Intelligent lithium battery group limitation charging voltage or more
Pressure, is denoted as Vboost;
When MCU detection power supply adaptor input voltage is in Vin < Vin < Vmax state, MCU controls power supply preconditioner
Operating mode is bypass mode, and power supply adaptor input is connected directly to the input of SMbus charger, and specific by-pass method can be
Metal-oxide-semiconductor is controlled using MCU or relay switch constitutes and disconnects power supply preconditioner, and short circuit input power supply adaptor is realized.
The embodiment of the present invention is by obtaining the output voltage of charger and the demand voltage of battery to be charged, according to be charged
The charging situation of battery adjusts the output voltage of charger, guarantee battery charging process to be charged stabilization, it is safe and efficient into
Row.
Fig. 8 shows the flow chart of the electricity calibration provided in the embodiment of the present invention, charging provided in an embodiment of the present invention
In method, step S702 and step S704 it further include:
The battery discharge to be charged is controlled to off state of discharging.
In embodiments of the present invention, if the long-term work of Intelligent lithium battery group and shallowly filling the state shallowly put, intelligent lithium
The voltameter of battery pack may cause Intelligent lithium battery group electricity display inaccuracy because of the scores accumulated error of electric current, or
Intelligent battery is stored always in idle state, because of the electricity display inaccuracy caused by the power consumption, is at this time needed electric to intelligent lithium
Pond group carries out a full circulation full of electric discharge, with the voltameter of this calibration battery.
As an embodiment of the present invention, electricity calibration function open condition when electricity calibration knob press the time routine
5S, when detecting that by the key pressing time be more than 5S, charger operation is calibration mode, and Intelligent lithium battery group is accessed resistance first
Load discharges to battery, battery capacity is discharged to electric discharge cut-off, Intelligent lithium battery group electricity discharges completely, then right again
Intelligent lithium battery group is fully charged, completes to calibrate the electricity of Intelligent lithium battery group.
The embodiment of the present invention adjusts fill in real time by obtaining charging voltage and charging current required for Intelligent lithium battery group
The output voltage of electric appliance, different size intelligence lithium electricity group, the compatible of different size power supply adaptor use, and make Intelligent lithium battery group
It is more convenient to use, greatly reduce cost, control is precisely efficient, guarantees the security application of lithium ion battery, reduce lithium from
The security risk of sub- battery applications.
As shown in figure 9, in one embodiment of the invention, providing a kind of battery charger, comprising:
Information acquisition unit 910, for obtaining the output voltage of power supply adaptor and the charge requirement electricity of battery to be charged
Pressure.
In embodiments of the present invention, the output voltage of power supply adaptor refers to supply voltage after power supply adaptor is adjusted
The voltage of output generally directly acts on charger, and charge requirement voltage refers to the real-time requirement voltage of battery charging to be charged,
There are three the charging stages for general lithium ion battery: precharge, in lithium ion battery under over-discharge state, charger is to compare
Small current versus cell group carries out charging activation, switchs to constant current when cell voltage is slowly restored to nominal charging voltage range and fills
In the electric stage, at this moment charger is charged with constant electric current to battery pack, is switched to when cell voltage rises to limitation charging voltage
Constant-voltage charge, charging voltage are kept constant, and gradually decrease charging current, and battery is then thought when electric current drops to a certain particular value
Fully charged, charging process stops.
As an embodiment of the present invention, the output voltage of power supply adaptor is acquired by AD acquisition module, passes through SMbus
The charge requirement voltage for obtaining battery to be charged sends battery charging letter to battery pack to be charged by SMbus bus every 1s
Inquiry instruction is ceased, the limitation charging voltage and required charging current of Intelligent lithium battery group to be charged are obtained.
Unit 920 is adjusted, for the output voltage to be adjusted according to the charge requirement voltage, is guaranteed described defeated
After voltage and the charge requirement voltage match out, charge to the battery to be charged.
In embodiments of the present invention, by SMbus that charging voltage and charging is electric after the pond group charge information conversion of acquisition
It is streamed to SMbus charger, SMbus the charger charging voltage and charging current specified by the information output of MCU configuration are given
Battery pack charging.
In embodiments of the present invention, MCU acquires real-time detection power supply adaptor input voltage by AD, works as power supply adaptor
When input voltage is higher than SMbus charger maximum charging voltage Vmax, it is decompression mould that MCU, which controls power supply preconditioner operating mode,
Input voltage is down to the voltage that SMbus charger can be born, is denoted as Vbuck by formula;
MCU is communicated by SMbus bus and Intelligent lithium battery group, limitation charging voltage needed for obtaining Intelligent lithium battery group
Vchg and charging current Ichg, when power supply adaptor input voltage is lower than Intelligent lithium battery group limitation charging voltage, MCU control
Power supply preconditioner operating mode is boost mode, and input voltage is risen to the electricity of Intelligent lithium battery group limitation charging voltage or more
Pressure, is denoted as Vboost;
When MCU detection power supply adaptor input voltage is in Vin < Vin < Vmax state, MCU controls power supply preconditioner
Operating mode is bypass mode, and power supply adaptor input is connected directly to the input of SMbus charger, and specific by-pass method can be
Metal-oxide-semiconductor is controlled using MCU or relay switch constitutes and disconnects power supply preconditioner, and short circuit input power supply adaptor is realized.
The embodiment of the present invention is by obtaining the output voltage of charger and the demand voltage of battery to be charged, according to be charged
The charging situation of battery adjusts the output voltage of charger, guarantee battery charging process to be charged stabilization, it is safe and efficient into
Row.
Figure 10 shows the internal structure chart of computer equipment in one embodiment.As shown in Figure 10, the computer equipment
It include processor, memory, network interface, input unit and the display connected by system bus including the computer equipment
Screen.Wherein, memory includes non-volatile memory medium and built-in storage.The non-volatile memory medium of the computer equipment is deposited
Operating system is contained, computer program can be also stored with, when which is executed by processor, processor may make to realize
Method for charging batteries.Computer program can also be stored in the built-in storage, when which is executed by processor, can be made
It obtains processor and executes method for charging batteries.The display screen of computer equipment can be liquid crystal display or electric ink is shown
Screen, the input unit of computer equipment can be the touch layer covered on display screen, be also possible to set on computer equipment shell
Key, trace ball or the Trackpad set can also be external keyboard, Trackpad or mouse etc..
It will be understood by those skilled in the art that structure shown in Figure 10, only part relevant to application scheme
The block diagram of structure, does not constitute the restriction for the computer equipment being applied thereon to application scheme, and specific computer is set
Standby may include perhaps combining certain components or with different component layouts than more or fewer components as shown in the figure.
In one embodiment it is proposed that a kind of computer equipment, the computer equipment include memory, processor and
It is stored in the computer program that can be run on the memory and on the processor, the processor executes the computer
It is performed the steps of when program
Power adaptation connector, is connected to external power supply, provides power input for the batter-charghing system;
Power supply pre-conditioner modules are connected to the power adaptation connector, for exporting the power adaptation connector
Voltage be adjusted to specified range, and export to charger module;
The charger module is connected to battery pack to be charged, for charging for the battery pack to be charged;And
Controller controls the operating mode of the power supply pre-conditioner modules, to guarantee the output electricity of the charger module
Pressure matches with charging voltage needed for the battery pack to be charged;
Wherein, the controller passes through SMbus bus and the power adaptation connector, power supply pre-conditioner modules, charging
Device module and battery pack to be charged are communicated, pre- with the input voltage, the power supply that obtain the power adaptation connector
The required charging electricity of the output voltage of adjustment module, the output voltage of the charger module and the battery pack to be charged
Pressure.
In one embodiment, a kind of computer readable storage medium is provided, is stored on computer readable storage medium
Computer program, when computer program is executed by processor, so that processor executes following steps:
Power adaptation connector, is connected to external power supply, provides power input for the batter-charghing system;
Power supply pre-conditioner modules are connected to the power adaptation connector, for exporting the power adaptation connector
Voltage be adjusted to specified range, and export to charger module;
The charger module is connected to battery pack to be charged, for charging for the battery pack to be charged;And
Controller controls the operating mode of the power supply pre-conditioner modules, to guarantee the output electricity of the charger module
Pressure matches with charging voltage needed for the battery pack to be charged;
Wherein, the controller obtains the input voltage of the power adaptation connector by built-in A/D converter, passes through
The output voltage of the I/O mouthfuls of control power supply pre-conditioner modules, by SMbus bus and the charger module and to be charged
Battery pack is communicated, and the required charging voltage of the battery pack to be charged and the finger of the control charger module are obtained
Determine output voltage and charging current.
Although should be understood that various embodiments of the present invention flow chart in each step according to arrow instruction successively
It has been shown that, but these steps are not that the inevitable sequence according to arrow instruction successively executes.Unless expressly state otherwise herein,
There is no stringent sequences to limit for the execution of these steps, these steps can execute in other order.Moreover, each embodiment
In at least part step may include that perhaps these sub-steps of multiple stages or stage are not necessarily multiple sub-steps
Completion is executed in synchronization, but can be executed at different times, the execution in these sub-steps or stage sequence is not yet
Necessarily successively carry out, but can be at least part of the sub-step or stage of other steps or other steps in turn
Or it alternately executes.
Those of ordinary skill in the art will appreciate that realizing all or part of the process in above-described embodiment method, being can be with
Relevant hardware is instructed to complete by computer program, the program can be stored in a non-volatile computer and can be read
In storage medium, the program is when being executed, it may include such as the process of the embodiment of above-mentioned each method.Wherein, provided herein
Each embodiment used in any reference to memory, storage, database or other media, may each comprise non-volatile
And/or volatile memory.Nonvolatile memory may include that read-only memory (ROM), programming ROM (PROM), electricity can be compiled
Journey ROM (EPROM), electrically erasable ROM (EEPROM) or flash memory.Volatile memory may include random access memory
(RAM) or external cache.By way of illustration and not limitation, RAM is available in many forms, such as static state RAM
(SRAM), dynamic ram (DRAM), synchronous dram (SDRAM), double data rate sdram (DDRSDRAM), enhanced SDRAM
(ESDRAM), synchronization link (Synchlink) DRAM (SLDRAM), memory bus (Rambus) directly RAM (RDRAM), straight
Connect memory bus dynamic ram (DRDRAM) and memory bus dynamic ram (RDRAM) etc..
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. a kind of batter-charghing system, which is characterized in that the batter-charghing system includes:
Power adaptation connector, is connected to external power supply, provides power input for the batter-charghing system;
Power supply pre-conditioner modules are connected to the power adaptation connector, the electricity for exporting the power adaptation connector
Pressure is adjusted to specified range, and exports to charger module;
The charger module is connected to battery pack to be charged, for charging for the battery pack to be charged;And
Controller controls the operating mode of the power supply pre-conditioner modules, with guarantee the output voltage of the charger module with
Charging voltage needed for the battery pack to be charged matches;
Wherein, the controller obtains the input voltage of the power adaptation connector by built-in A/D converter, passes through I/O mouthfuls
The output voltage for controlling the power supply pre-conditioner modules passes through SMbus bus and the charger module and battery to be charged
Group is communicated, obtain the battery pack to be charged required charging voltage and the control charger module specify it is defeated
Voltage and charging current out.
2. batter-charghing system according to claim 1, which is characterized in that the batter-charghing system further include:
Electricity calibration module is connected to the battery pack to be charged, is first discharged to electric discharge for controlling the battery pack to be charged
Off state is recharged to charge cutoff state, realizes electricity calibration.
3. batter-charghing system according to claim 1, which is characterized in that the batter-charghing system further include:
LED display module is connected to the controller, for showing the charged state and calibration shape of the battery pack to be charged
State.
4. batter-charghing system according to claim 1, which is characterized in that the power supply pre-conditioner modules are provided with boosting
Mode, decompression mode and bypass mode, the operating mode of the control power supply pre-conditioner modules, to guarantee the charging
The output voltage of device module matches with charging voltage needed for the battery pack to be charged, comprising:
When the input voltage of the power supply adaptor is higher than the maximum charging voltage of the charger module, the power supply is controlled
Pre-conditioner modules work is in decompression mode, so that the input voltage of the power supply adaptor passes through the power supply pre-conditioner modules
Afterwards, voltage is less than or equal to the maximum charging voltage of the charging module;
When the input voltage of the power supply adaptor is lower than the limitation charging voltage of the battery pack to be charged, the electricity is controlled
Pre-conditioner modules work in source is in boost mode, so that the input voltage of the power supply adaptor passes through the power supply pre-conditioner modules
Afterwards, voltage is greater than or equal to the limitation charging voltage of the battery pack to be charged;
When the power supply adaptor input voltage the charger module maximum charging voltage and the battery to be charged
When between the limitation charging voltage of group, the power supply pre-conditioner modules work is controlled in bypass mode.
5. batter-charghing system according to claim 1, which is characterized in that the batter-charghing system further include:
The charger module uses SMbus charger, is provided with SMbus communication interface and controller, can be in the control
Specified charging voltage and charging current are exported under the control of device.
6. a kind of method for charging batteries, which is characterized in that the method for charging batteries includes:
Obtain the output voltage of power supply adaptor and the charge requirement voltage of battery to be charged;
The output voltage is adjusted according to the charge requirement voltage, guarantees the output voltage and the charge requirement
After voltage matches, charge to the battery to be charged.
7. method for charging batteries according to claim 7, which is characterized in that in the output electricity for obtaining power supply adaptor
After the charge requirement voltage of pressure and battery to be charged, further includes:
The battery discharge to be charged is controlled to off state of discharging.
8. a kind of battery charger, which is characterized in that the battery charger includes:
Information acquisition unit, for obtaining the output voltage of power supply adaptor and the charge requirement voltage of battery to be charged;
It adjusts unit and guarantees the output voltage for the output voltage to be adjusted according to the charge requirement voltage
After matching with the charge requirement voltage, charge to the battery to be charged.
9. a kind of computer equipment, which is characterized in that including memory and processor, computer journey is stored in the memory
Sequence, when the computer program is executed by the processor, so that the processor perform claim requires any one of 6 to 7 power
Benefit requires the step of method for charging batteries.
10. a kind of computer readable storage medium, which is characterized in that be stored with computer on the computer readable storage medium
Program, when the computer program is executed by processor, so that the processor perform claim requires any one of 6 to 7 rights
It is required that the step of method for charging batteries.
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CN111490302A (en) * | 2020-04-20 | 2020-08-04 | 东莞龙升电子有限公司 | Charging control method and device of charger, computer equipment and storage medium |
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