CN106208224B - Multifunctional power system and its charging method based on bivariants intermittent pulse algorithm - Google Patents
Multifunctional power system and its charging method based on bivariants intermittent pulse algorithm Download PDFInfo
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- 238000007600 charging Methods 0.000 title claims abstract description 210
- 238000000034 method Methods 0.000 title claims abstract description 53
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 96
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 96
- 230000008859 change Effects 0.000 claims description 24
- 238000012544 monitoring process Methods 0.000 claims description 19
- 230000005611 electricity Effects 0.000 claims description 18
- 230000036962 time dependent Effects 0.000 claims description 18
- 238000001514 detection method Methods 0.000 claims description 14
- 230000007423 decrease Effects 0.000 claims description 7
- 230000015556 catabolic process Effects 0.000 claims description 6
- 238000006731 degradation reaction Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- 230000009467 reduction Effects 0.000 claims description 6
- 239000013589 supplement Substances 0.000 claims description 6
- 238000010277 constant-current charging Methods 0.000 claims description 5
- 238000010278 pulse charging Methods 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 abstract description 8
- 238000005516 engineering process Methods 0.000 abstract description 5
- 230000004382 visual function Effects 0.000 abstract description 4
- 230000006698 induction Effects 0.000 description 15
- 230000005674 electromagnetic induction Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 206010020852 Hypertonia Diseases 0.000 description 2
- 210000001367 artery Anatomy 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000011897 real-time detection Methods 0.000 description 2
- 210000003462 vein Anatomy 0.000 description 2
- 238000012800 visualization Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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- 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
- H02J7/0036—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using connection detecting 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
- H01M10/44—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
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/00711—Regulation of charging or discharging current or voltage with introduction of pulses during the charging process
-
- H02J7/025—
-
- 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)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention belongs to battery boosting technology fields; provide multifunctional power system and its charging method based on bivariants intermittent pulse algorithm; it include: controller, charging module, sensor module, display module, alarm module, lithium battery and electric discharge buck protective module, measure voltage &, and controller is connected with charging module, sensor module, display module, alarm module, measure voltage & respectively；Lithium battery is connected with charging module, sensor module, electric discharge buck protective module, measure voltage &, external direct current power supply respectively.The present invention is a kind of charging system based on bivariants intermittent pulse algorithm, algorithm itself has novelty, and have wireless and wired 2 kinds of charge modes, temperature and pressure compensation is carried out to lithium battery by temperature and pressure, keeps the charging of battery safer, quick, reliable；And there is alarm and visual function, convenient for grasping charging situation in time, more intuitively.
Description
Technical field
The invention belongs to battery boosting technology fields, in particular to the multifunctional power based on bivariants intermittent pulse algorithm
System and its charging method.
Background technique
Currently, the mobile device using rechargeable lithium battery as energy-storage travelling wave tube is rapidly developing, meanwhile, the height of equipment makes
Lithium battery charging modes and charging algorithm are proposed with new higher requirement with rate and highly energy-consuming.But domestic power-supply system is big
The wired charging method mostly still used, charging is limited in many instances, and charging modes are not flexible.Some have wireless charging
The power-supply system of mode, implementation method are also more single.The charging algorithm or traditional two-period form or three that charging system uses
Segmentation charges, and pulse charging method existing for only a few does not have to be controlled with reasonable method yet.Many power-supply systems in charging not
It is to sacrifice speed to change battery life be exactly to sacrifice battery life to carry out throw-over degree.And once charging after, since algorithm is solid
Fixed, one inaccuracy of detection feedback, power supply adjusting adaptability is poor, and safety is lower, charge rate and the protection to lithium battery
Effect is all undesirable.Inconvenience is brought to the daily life of user.
Therefore, battery boosting technology field is badly in need of the multifunctional power system based on bivariants intermittent pulse algorithm and its is filled
Method for electrically.This is a kind of charging system based on bivariants intermittent pulse algorithm, and algorithm itself has novelty, and is had wireless
With wired 2 kinds of charge modes, temperature and pressure monitoring is carried out to lithium battery by temperature and pressure sensor, makes the charging of battery
It is safer, quick, reliable；And there is alarm and visual function, convenient for grasping charging situation in time, more intuitively.
Summary of the invention
The present invention provides multifunctional power system and its charging method based on bivariants intermittent pulse algorithm, technical sides
Case is as follows:
Multifunctional power system based on bivariants intermittent pulse algorithm, comprising: controller, charging module, sensor die
Block, display module, alarm module, lithium battery and electric discharge buck protective module, measure voltage &, and controller point
It is not connected with charging module, sensor module, display module, alarm module, measure voltage &；Lithium battery respectively with
Charging module, sensor module, electric discharge buck protective module, measure voltage &, external direct current power supply are connected.
Preferably, in the above-mentioned multifunctional power system based on bivariants intermittent pulse algorithm, sensor module packet
Include: temperature sensor and pressure sensor are all connected with controller, lithium battery.
Preferably, in the above-mentioned multifunctional power system based on bivariants intermittent pulse algorithm, charging module is also wrapped
Include: wireless charging module and wired charging module are all connected with controller, lithium battery.
Preferably, in the above-mentioned multifunctional power system based on bivariants intermittent pulse algorithm, wireless charging module
Further include: electromagnetic induction wireless charging module and WiFi induction wireless charging module are all connected with controller, lithium battery.
Preferably, in the above-mentioned multifunctional power system based on bivariants intermittent pulse algorithm, electromagnetic induction is wireless
Charging module further include: induction radio energy input terminal and the first rectification chopper circuit, and the first rectification copped wave electricity
Road is connected with induction radio energy input terminal, controller, lithium battery respectively.
Preferably, in the above-mentioned multifunctional power system based on bivariants intermittent pulse algorithm, WiFi induction wireless
Charging module further include: WiFi induction type radio energy input terminal and the second rectification chopper circuit, and the second rectification copped wave electricity
Road is connected with WiFi induction type radio energy input terminal, controller, lithium battery respectively.
Preferably, in the above-mentioned multifunctional power system based on bivariants intermittent pulse algorithm, wired charging module
Further include: mains electricity input end and third rectify chopper circuit, and third rectification chopper circuit respectively with mains electricity input end, control
Device, lithium battery are connected.
Preferably, in the above-mentioned multifunctional power system based on bivariants intermittent pulse algorithm, controller STM32
Controller, display module are LCD display device, and alarm module is combined aural and visual alarm.
The charging method of multifunctional power system based on bivariants intermittent pulse algorithm, includes the following steps:
Step 1 installs bivariants intermittent pulse algorithm routine on the controller first, passes through measure voltage &
Voltage, the electric current of lithium battery are detected, while detecting the temperature and pressure of lithium battery by temperature sensor and pressure sensor；So
Controller judges whether the lithium battery has charge condition afterwards, and charge condition is lithium battery temperature at 45 ° or less；If do not had
Charge condition, then control order alarm module is alarmed, while on the display module by status display；If having charging
Condition thens follow the steps two；
Step 2, control order charging module start to charge, and charging module is judged and selected to charge mode, choosing
Wired or wireless charging mode is selected, when lithium battery voltage is lower than 1.0V, the temperature of lithium battery is judged first, if
When temperature is more than or equal to 45 °, then control order alarm module is alarmed, while on the display module by status display, together
When control order charging module stop working, until when temperature is less than 45 °, control order charging module is using gradual change type
Low current precharge mode charges to lithium battery；
Step 3 is right first when measure voltage & detects that the voltage of lithium battery is between 1.0V-3.0V
The temperature of lithium battery is judged that if temperature is more than or equal to 45 °, control order alarm module is alarmed, simultaneously
On the display module by status display, while control order charging module stops working, until when temperature is less than 45 °, control
Device order charging module charges to lithium battery using 0.4A low current constant current charging mode；
Step 4 is right first when measure voltage & detects that the voltage of lithium battery is between 3.0V-4.0V
The temperature of lithium battery is judged that if temperature is more than or equal to 45 °, control order alarm module is alarmed, simultaneously
On the display module by status display, while control order charging module stops working, until when temperature is less than 45 °, control
Device order charging module uses time-dependent current intermittent charge method, i.e. fast charge mode charges to lithium battery；
Step 5 is right first when measure voltage & detects that the voltage of lithium battery is between 4.0V-4.3V
The temperature of lithium battery is judged that if temperature is more than or equal to 45 °, control order alarm module is alarmed, simultaneously
On the display module by status display, while control order charging module stops working, until when temperature is less than 45 °, control
Device order charging module charges to lithium battery using time variant voltage intermittent charge method；
Step 6 stops charging when the electric current of lithium battery is less than 0.1A, and then controller carries out the temperature of lithium battery
Judgement, if temperature is more than or equal to 45 °, control order alarm module is alarmed, while status display being shown
In module；Control order measure voltage & and sensor module detect electric quantity of lithium battery simultaneously, work as voltage
When current detection module and sensor module etc. detect that the self-discharge amount of lithium battery reaches 5%, control order charging module
The step of being charged using time variant voltage intermittent charge method to lithium battery, repeating step 5 and step 6, until light source of charger
It removes, charging system stops working.
Preferably, in the charging method of the above-mentioned multifunctional power system based on bivariants intermittent pulse algorithm,
Step 1 in six, in real time test the temperature and pressure of lithium battery by temperature sensor and pressure sensor, and will
Its temperature and pressure value measured feeds back to controller, and when temperature or hypertonia, control order charging module stops
Work, and user is informed by alarm module and display module.
Preferably, in the charging method of the above-mentioned multifunctional power system based on bivariants intermittent pulse algorithm, step
Bivariants intermittent pulse algorithm in rapid one includes five subalgorithms: (1) gradual change type is pre-charged；(2) low current constant-current charge；
(3) time-dependent current intermittently impulse charging；(4) time variant voltage intermittently impulse charging；(5) monitoring formula intermittent compensation charging；
(1) gradual change type precharge be according in real time acquisition feedback come voltage value progress pre-charge current selection, specifically
See Table 1 for details, and during the charging process, real-time monitoring voltage change is classified according to voltage change situation and changes charging current levels, tool
See Table 1 for details for body, and until the voltage value of acquisition is 1.0V, this charging subalgorithm terminates；
Table 1
| Initial voltage grade | 0.2-0.4V (including) | 0.4-0.6V(includes) | 0.6-0.8V(includes) | 0.8-1.0V(includes) |
| Charging current levels | 0.1A | 0.2A | 0.3A | 0.4A |
(2) low current constant-current charge, when detecting voltage value between 1.0-3.0V voltage, using 0.4A low current constant current
Charging, until battery detecting voltage value to 3.0V, this charging subalgorithm terminates；
(3) time-dependent current intermittently impulse charging is that current impulse grade is carried out GradeNDivision using pulse charging manner, from
It is that a grade gradient is divided into 5 grades with 0.15A 1.0A starting to 0.4A；It is next to after low current constant-current charge, book
The initial phase of algorithm selects pulse current grade according to the voltage value of real-time acquisition feedback, and specific see Table 2 for details；It fills
Real-time monitoring is carried out to voltage in electric process, when voltage rises to 4.2V, stops charging 2s, under voltage value meeting rapidly at this time
Drop, detects voltage value, feeds back voltage at this time when being down to fixed value under voltage, and select corresponding pulse according to table 2
Electric current carries out next round pulse charge, repeatedly, until the stable voltage after last decline then stops this in 4.0V or more
Charge subalgorithm；
Table 2
| Voltage class | 3.0-3.2V | 3.2-3.4V | 3.4-3.6V | 3.6-3.8V | 3.8-4.0V |
| Current class | 1A | 0.85A | 0.7A | 0.55A | 0.4A |
(4) time variant voltage intermittently impulse charging is that voltage pulse grade is carried out to 3 grades of divisions, from 4.3V to 4.1V, with 0.1V
For gradient；Immediately after time-dependent current intermittently impulse charging, the initial phase of this subalgorithm, detect voltage value in 4.0V or more,
It is charged with the pulse voltage of 4.3V, detection feedback is carried out to charging voltage and electric current, until when current value is less than 0.3A, by pulse
Voltage is degraded to 4.2V and charges, and carries out detection feedback to charging voltage and electric current, until when current value is less than 0.2A, by arteries and veins
It rushes voltage and is degraded to 4.1V and charge, detection feedback is carried out to charging voltage and electric current, until stopping when current value is less than 0.1A
Only this charging subalgorithm；
(5) charging of monitoring formula intermittent compensation is mainly used to supplement energy consumed by battery self discharge；Immediately time variant voltage
After intermittently impulse charging, when battery is full of, at the end of charging, charge power supply may not necessarily be just pulled up, charger will be certainly at this time
Row power-off, electric energy can slow consumption losses；When system monitoring reaches 5% or more to self-discharge amount, charger can voluntarily be held
It opens, and in time variant voltage intermittent charge method, electric energy supplement is carried out to battery, repeat (4) time variant voltage intermittently impulse charging and (5) are supervised
The step of survey formula intermittent compensation charges, until light source of charger removes, charging system stops working.
Preferably, in the charging method of the above-mentioned multifunctional power system based on bivariants intermittent pulse algorithm, step
The specific charging method of the gradual low current charge mode used in rapid two are as follows: firstly, being filled using a stable low current
Electric a period of time is slightly lifted current class after voltage rises to certain phase, after continuing constant-current charge for a period of time, still
Current class is slightly improved, is specifically executed according to table 1, continues to charge, repeatedly, until voltage class rises to 1.0V.
Preferably, in the charging method of the above-mentioned multifunctional power system based on bivariants intermittent pulse algorithm, step
The time-dependent current intermittent charge method used in rapid four is built upon on the basis of constant-current charge and pulse charge, then by constant-current charge section
It is changed to time-dependent current intermittent charge section, realizes large current charge.
Preferably, in the charging method of the above-mentioned multifunctional power system based on bivariants intermittent pulse algorithm, step
The time variant voltage intermittent charge method used in rapid five method particularly includes:
Charged level is divided into 3 grades by the way of interval constant pressure, due to being constant-voltage charge, charging current is advised according to index
Rule decline, during every grade of constant-voltage charge, the variation of meeting real-time monitoring charging current is marked using current change quantity as classification
Standard carries out downgrade processing when current change quantity reaches 0.1A, likewise, degradation is not only the reduction of voltage class, voltage
The degradation of decline 0.1V and pulse voltage width and intermittent time, pulse width shortening 5%, batch time reduction 10%, until
Charging current drops to threshold value 0.1A or less.
Beneficial effects of the present invention:
1, a kind of charging system based on bivariants intermittent pulse algorithm of the present invention, algorithm itself has novelty, and has
Standby wireless and wired 2 kinds of charge modes carry out temperature and pressure compensation to lithium battery by temperature and pressure, make the charging of battery
It is safer, quick, reliable；And there is alarm and visual function, convenient for grasping charging situation in time, more intuitively.
2, the wireless charging mode that the present invention uses includes that induction wireless charging mode and WiFi induction type are wireless
Charging modes can also be can use by carrying out near radio charging close to dedicated wireless electromagnetic induction charging module
WiFi signal is that equipment carries out wireless charging, very flexibly practical.
3, the bivariants intermittent pulse algorithm that the present invention uses is a kind of charging algorithm of highly effective and safe, has combined speed
Degree and safety, can while effectively improving charging rate significantly more efficient protection lithium battery, improve lithium battery use the longevity
Life.Bivariants intermittent pulse algorithm or a kind of charging algorithm of extremely well-adapted, due to being real-time detection Current Voltage, and
As charge control foundation, so it extraordinary can be applicable in the lithium battery of various brand specifications on the market, and charging effect
Good, versatility is very strong.
4, present invention employs the multiple sensors such as pressure and temperature, protect circuit reliable；It joined visualization circle simultaneously
Face, user can intuitively grasp real-time charging and discharging state by LCD display very much, mention for maintenance, the maintenance of power-supply system
For convenient.
Detailed description of the invention
The following describes the present invention in detail with reference to the accompanying drawings and specific embodiments:
Fig. 1 is that the present invention is based on the structural block diagrams of the multifunctional power system of bivariants intermittent pulse algorithm.
Specific embodiment
In order to realize the technology of the present invention measure, creation characteristic, reach purpose and effect is easy to understand, tie below
Conjunction is specifically illustrating, and the present invention is further explained.
Embodiment 1:
Fig. 1 is that the present invention is based on the structural block diagrams of the multifunctional power system of bivariants intermittent pulse algorithm.
As shown in Figure 1, the multifunctional power system based on bivariants intermittent pulse algorithm, comprising: controller 1, charging mould
Block 2, sensor module 3, display module 4, alarm module 5, lithium battery 6 and electric discharge buck protective module 7, measure voltage & current
Module 8, and controller 1 respectively with charging module 2, sensor module 3, display module 4, alarm module 5, measure voltage & current
Module 8 is connected；Lithium battery 6 is examined with charging module 2, sensor module 3, electric discharge buck protective module 7, voltage and current respectively
Survey module 8, external direct current power supply is connected.
Embodiment 2:
Fig. 1 is that the present invention is based on the structural block diagrams of the multifunctional power system of bivariants intermittent pulse algorithm.
As shown in Figure 1, the multifunctional power system based on bivariants intermittent pulse algorithm, comprising: controller 1, charging mould
Block 2, sensor module 3, display module 4, alarm module 5, lithium battery 6 and electric discharge buck protective module 7, measure voltage & current
Module 8, and controller 1 respectively with charging module 2, sensor module 3, display module 4, alarm module 5, measure voltage & current
Module 8 is connected；Lithium battery 6 is examined with charging module 2, sensor module 3, electric discharge buck protective module 7, voltage and current respectively
Survey module 8, external direct current power supply is connected.
In the present embodiment, sensor module 3 includes: temperature sensor 301 and pressure sensor 302, all with controller 1,
Lithium battery 6 is connected.
In the present embodiment, charging module 2 further include: wireless charging module 201 and wired charging module 202, all with control
Device 1, lithium battery 6 are connected.
In the present embodiment, wireless charging module 201 further include: electromagnetic induction wireless charging module 2011 and WiFi incude nothing
Line charging module 2012 is all connected with controller 1, electric 6 ponds of lithium.
In the present embodiment, electromagnetic induction wireless charging module 2011 further include: induction radio energy input terminal and
First rectification chopper circuit, and first rectification chopper circuit respectively with induction radio energy input terminal, controller, lithium
Battery is connected.
In the present embodiment, WiFi induction wireless charging module 2012 further include: WiFi induction type radio energy input terminal and
Second rectification chopper circuit, and second rectification chopper circuit respectively with WiFi induction type radio energy input terminal, controller 1,
Lithium battery 6 is connected.
In the present embodiment, wired charging module 202 further include: mains electricity input end and third rectification chopper circuit, and the
Three rectification chopper circuits are connected with mains electricity input end, controller 1, lithium battery 6 respectively.
In the present embodiment, controller 1 is STM32 controller, and display module 4 is LCD display device, and alarm module 5 is sound
Light crossing-signal.
The charging method of multifunctional power system based on bivariants intermittent pulse algorithm, includes the following steps:
Step 1 installs bivariants intermittent pulse algorithm routine on the controller first, passes through measure voltage &
Voltage, the electric current of lithium battery are detected, while detecting the temperature and pressure of lithium battery by temperature sensor and pressure sensor；So
Controller judges whether the lithium battery has charge condition afterwards；If not having charge condition, control order alarm module
It alarms, while on the display module by status display；If having charge condition thens follow the steps two；
Bivariants intermittent pulse algorithm includes five subalgorithms: (1) gradual change type is pre-charged；(2) low current constant-current charge；
(3) time-dependent current intermittently impulse charging；(4) time variant voltage intermittently impulse charging；(5) monitoring formula intermittent compensation charging；
(1) gradual change type precharge be according in real time acquisition feedback come voltage value progress pre-charge current selection, specifically
See Table 1 for details, and during the charging process, real-time monitoring voltage change is classified according to voltage change situation and changes charging current levels, tool
See Table 1 for details for body, and until the voltage value of acquisition is 1.0V, this charging subalgorithm terminates；
Table 1
| Initial voltage grade | 0.2-0.4V (including) | 0.4-0.6V(includes) | 0.6-0.8V(includes) | 0.8-1.0V(includes) |
| Charging current levels | 0.1A | 0.2A | 0.3A | 0.4A |
(2) low current constant-current charge, when detecting voltage value between 1.0-3.0V voltage, using 0.4A low current constant current
Charging, until battery detecting voltage value to 3.0V, this charging subalgorithm terminates；
(3) time-dependent current intermittently impulse charging is that current impulse grade is carried out GradeNDivision using pulse charging manner, from
1.0A starts to 0.4A, is that a grade gradient is divided into 5 grades with 0.15A；It is next to after low current constant-current charge, book
The initial phase of algorithm selects pulse current grade according to the voltage value of real-time acquisition feedback, and specific see Table 2 for details；It fills
Real-time monitoring is carried out to voltage in electric process, when voltage rises to 4.2V, stops charging 2s, under voltage value meeting rapidly at this time
Drop, detects voltage value, feeds back voltage at this time when being down to fixed value under voltage, and select corresponding pulse according to table 2
Electric current carries out next round pulse charge, repeatedly, until the stable voltage after last decline then stops this in 4.0V or more
Charge subalgorithm；
Table 2
| Voltage class | 3.0-3.2V | 3.2-3.4V | 3.4-3.6V | 3.6-3.8V | 3.8-4.0V |
| Current class | 1A | 0.85A | 0.7A | 0.55A | 0.4A |
(4) time variant voltage intermittently impulse charging is that voltage pulse grade is carried out to 3 grades of divisions, from 4.3V to 4.1V, with 0.1V
For gradient；Immediately after time-dependent current intermittently impulse charging, the initial phase of this subalgorithm, detect voltage value in 4.0V or more,
It is charged with the pulse voltage of 4.3V, detection feedback is carried out to charging voltage and electric current, until when current value is less than 0.3A, by pulse
Voltage is degraded to 4.2V and charges, and carries out detection feedback to charging voltage and electric current, until when current value is less than 0.2A, by arteries and veins
It rushes voltage and is degraded to 4.1V and charge, detection feedback is carried out to charging voltage and electric current, until stopping when current value is less than 0.1A
Only this charging subalgorithm；
(5) charging of monitoring formula intermittent compensation is mainly used to supplement energy consumed by battery self discharge；Immediately time variant voltage
After intermittently impulse charging, when battery is full of, at the end of charging, charge power supply may not necessarily be just pulled up, charger will be certainly at this time
Row power-off, electric energy can slow consumption losses；When system monitoring reaches 5% or more to self-discharge amount, charger can voluntarily be held
It opens, and in time variant voltage intermittent charge method, electric energy supplement is carried out to battery, repeat (4) time variant voltage intermittently impulse charging and (5) are supervised
The step of survey formula intermittent compensation charges, until light source of charger removes, charging system stops working；
Step 2, control order charging module start to charge, and charging module is judged and selected to charge mode, choosing
Wired or wireless charging mode is selected, when lithium battery voltage is lower than 1.0V, the temperature of lithium battery is judged first, if
When temperature is more than or equal to 45 °, then control order alarm module is alarmed, while on the display module by status display, together
When control order charging module stop working, until when temperature is less than 45 °, control order charging module is using gradual change type
Low current precharge mode charges to lithium battery；；
Step 3 is right first when measure voltage & detects that the voltage of lithium battery is between 1.0V-3.0V
The temperature of lithium battery is judged that if temperature is more than or equal to 45 °, control order alarm module is alarmed, simultaneously
On the display module by status display, while control order charging module stops working, until when temperature is less than 45 °, control
Device order charging module charges to lithium battery using 0.4V low current constant current charging mode；
Step 4 is right first when measure voltage & detects that the voltage of lithium battery is between 3.0V-4.0V
The temperature of lithium battery is judged that if temperature is more than or equal to 45 °, control order alarm module is alarmed, simultaneously
On the display module by status display, while control order charging module stops working, until when temperature is less than 45 °, control
Device order charging module uses time-dependent current intermittent charge method, i.e. fast charge mode charges to lithium battery；
Step 5 is right first when measure voltage & detects that the voltage of lithium battery is between 4.0V-4.3V
The temperature of lithium battery is judged that if temperature is more than or equal to 45 °, control order alarm module is alarmed, simultaneously
On the display module by status display, while control order charging module stops working, until when temperature is less than 45 °, control
Device order charging module charges to lithium battery using time variant voltage intermittent charge method；
Step 6 stops charging when the electric current of lithium battery is less than 0.1A, and then controller carries out the temperature of lithium battery
Judgement, if temperature is more than or equal to 45 °, control order alarm module is alarmed, while status display being shown
In module；Control order measure voltage & and sensor module etc. detect electric quantity of lithium battery simultaneously, work as electricity
When current voltage detection module and sensor module etc. detect that the self-discharge amount of lithium battery reaches 5%, control order charging mould
The step of block charges to lithium battery using time variant voltage intermittent charge method, repeats step 5 and step 6, until charger electricity
Source removes, and charging system stops working.
In the present embodiment, in step 1 to six, temperature sensor and pressure sensor are in real time to the temperature of lithium battery
Degree and pressure are tested, and the temperature and pressure value measured feeds back to controller, when temperature or hypertonia, control
Device order charging module processed stops working, and informs user by alarm module and display module.
In the present embodiment, the specific charging method of the gradual low current charge mode used in step 2 are as follows: firstly, making
For a period of time with a stable low current charge, after voltage rises to certain phase, it is slightly lifted current class, is continued permanent
Current charge for a period of time after, still slightly improve current class, specifically according to table 1 execute, continue to charge, repeatedly, until electricity
Pressure grade rises to 1.0V.
In the present embodiment, the time-dependent current intermittent charge method used in step 4 is built upon constant-current charge and pulse charge
On the basis of, then constant-current charge section is changed to time-dependent current intermittent charge section, realize large current charge.
In the present embodiment, the time variant voltage intermittent charge method that is used in step 5 method particularly includes: using interval constant pressure
Charged level is divided into multistage by mode, and due to being constant-voltage charge, charging current exponentially declines, in every grade of constant-voltage charge
In the process, the variation of meeting real-time monitoring charging current, using current change quantity as grade scale, when current change quantity reaches 0.1A
When, downgrade processing is carried out, likewise, degradation is not only the reduction of voltage class, voltage declines 0.1V and pulse voltage is wide
The degradation of degree and intermittent time, pulse width shorten 5%, batch time reduction 10%, until charging current drops to threshold value 0.1A
Below.
A kind of charging system based on bivariants intermittent pulse algorithm of the present invention, algorithm itself has novelty, and has
Wireless and wired 2 kinds of charge modes carry out temperature and pressure compensation to lithium battery by temperature and pressure, make the charging of battery more
Add safe, quick, reliable；And there is alarm and visual function, convenient for grasping charging situation in time, more intuitively.
The wireless charging mode that the present invention uses includes induction wireless charging mode and WiFi induction type wireless charging
Electric mode can also be can use by carrying out near radio charging close to dedicated wireless electromagnetic induction charging module
WiFi signal is that equipment carries out wireless charging, very flexibly practical.
The bivariants intermittent pulse algorithm that the present invention uses is a kind of charging algorithm of highly effective and safe, has combined speed
And safety, can while effectively improving charging rate significantly more efficient protection lithium battery, improve the service life of lithium battery.
Bivariants intermittent pulse algorithm is a kind of charging algorithm of extremely well-adapted, due to being real-time detection Current Voltage, and with this
For charge control foundation, so it extraordinary can be applicable in the lithium battery of various brand specifications on the market, and charging effect is good, leads to
It is very strong with property.
Present invention employs the multiple sensors such as pressure and temperature, protect circuit reliable；It joined visualization interface simultaneously,
User can intuitively grasp real-time charging and discharging state by LCD display very much, provide just for maintenance, the maintenance of power-supply system
It is prompt.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, various changes and improvements may be made to the invention without departing from the spirit and scope of the present invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent defines.
Claims (5)
1. the charging method of the multifunctional power system based on bivariants intermittent pulse algorithm, includes the following steps:
Step 1 is installed bivariants intermittent pulse algorithm routine on the controller first, is detected by measure voltage &
Voltage, the electric current of lithium battery, while passing through the temperature and pressure of temperature sensor and pressure sensor detection lithium battery；Then it controls
Device processed judges whether the lithium battery has charge condition；If not having charge condition, control order alarm module is carried out
Alarm, while on the display module by status display；If having charge condition thens follow the steps two；
Step 2, control order charging module start to charge, and charging module is judged and selected to charge mode, and selection has
Line or wireless charging mode first judge the temperature of lithium battery, when lithium battery voltage is lower than 1.0V if temperature
When more than or equal to 45 °, then control order alarm module is alarmed, while on the display module by status display, same to time control
Device order charging module processed stops working, until control order charging module uses the small electricity of gradual change type when temperature is less than 45 °
Stream precharge mode charges to lithium battery；
Step 3, when measure voltage & detects that the voltage of lithium battery is between 1.0V-3.0V, first to lithium electricity
The temperature in pond judged, if temperature is more than or equal to 45 °, control order alarm module is alarmed, while by shape
State is shown on the display module, while control order charging module stops working, until when temperature is less than 45 °, controller life
Charging module is enabled to charge using 0.4A low current constant current charging mode to lithium battery；
Step 4, when measure voltage & detects that the voltage of lithium battery is between 3.0V-4.0V, first to lithium electricity
The temperature in pond judged, if temperature is more than or equal to 45 °, control order alarm module is alarmed, while by shape
State is shown on the display module, while control order charging module stops working, until when temperature is less than 45 °, controller life
Enable charging module using time-dependent current intermittent charge method, i.e. fast charge mode charges to lithium battery；
Step 5, when measure voltage & detects that the voltage of lithium battery is between 4.0V-4.3V, first to lithium electricity
The temperature in pond judged, if temperature is more than or equal to 45 °, control order alarm module is alarmed, while by shape
State is shown on the display module, while control order charging module stops working, until when temperature is less than 45 °, controller life
Charging module is enabled to charge using time variant voltage intermittent charge method to lithium battery；
Step 6 stops charging, then controller sentences the temperature of lithium battery when the electric current of lithium battery is less than 0.1A
Disconnected, if temperature is more than or equal to 45 °, control order alarm module is alarmed, while by status display in display mould
On block；Control order measure voltage & and sensor module detect electric quantity of lithium battery simultaneously, when voltage electricity
When stream detection module and sensor module etc. detect that the self-discharge amount of lithium battery reaches 5%, control order charging module
The step of being charged using time variant voltage intermittent charge method to lithium battery, repeating step 5 and step 6, until light source of charger
It removes, charging system stops working.
2. the charging method of the multifunctional power system according to claim 1 based on bivariants intermittent pulse algorithm,
Be characterized in that, bivariants intermittent pulse algorithm includes five subalgorithms in the step 1: (1) gradual change type is pre-charged；(2) small electricity
Flow constant-current charge；(3) time-dependent current intermittently impulse charging；(4) time variant voltage intermittently impulse charging；(5) monitoring formula intermittent compensation charging；
(1) gradual change type precharge be according in real time acquisition feedback come voltage value progress pre-charge current selection, be specifically detailed in
Table 1, during the charging process, real-time monitoring voltage change are classified according to voltage change situation and change charging current levels, specific detailed
It is shown in Table 1, until the voltage value of acquisition is 1.0V, this charging subalgorithm terminates；
Table 1
(2) low current constant-current charge is filled when detecting voltage value between 1.0-3.0V voltage using 0.4A low current constant current
Electricity, until battery detecting voltage value to 3.0V, this charging subalgorithm terminates；
(3) time-dependent current intermittently impulse charging is current impulse grade to be carried out GradeNDivision, from 1.0A using pulse charging manner
Start to 0.4A, is that a grade gradient is divided into 5 grades with 0.15A；It is next to after low current constant-current charge, this subalgorithm
Initial phase pulse current grade is selected according to the voltage value of real-time acquisition feedback, it is specific that see Table 2 for details；It charged
Real-time monitoring is carried out to voltage in journey, when voltage rises to 4.2V, stops charging 2s, voltage value can decline rapidly at this time, right
Voltage value is detected, feedback voltage at this time when being down to fixed value under voltage, and according to table 2 select corresponding pulse current into
Row next round pulse charge, repeatedly, until the stable voltage after last decline in 4.0V or more, then stops this charging
Algorithm；
Table 2
(4) time variant voltage intermittently impulse charging is that voltage pulse grade is carried out to 3 grades of divisions, is ladder with 0.1V from 4.3V to 4.1V
Degree；Immediately after time-dependent current intermittently impulse charging, the initial phase of this subalgorithm, detect voltage value in 4.0V or more, with
The pulse voltage of 4.3V charges, and carries out detection feedback to charging voltage and electric current, until when current value is less than 0.3A, by pulse electricity
Pressure is degraded to 4.2V and charges, and carries out detection feedback to charging voltage and electric current, until when current value is less than 0.2A, by pulse
Voltage is degraded to 4.1V and charges, and carries out detection feedback to charging voltage and electric current, until stopping when current value is less than 0.1A
The charging subalgorithm；
(5) charging of monitoring formula intermittent compensation is mainly used to supplement energy consumed by battery self discharge；Immediately time variant voltage interval
After pulse charge, when battery is full of, at the end of charging, charge power supply may not necessarily be just pulled up, charger will voluntarily break at this time
Electricity, electric energy can slow consumption losses；When system monitoring reaches 5% or more to self-discharge amount, charger can be opened voluntarily, and
In time variant voltage intermittent charge method, electric energy supplement is carried out to battery, (4) time variant voltage intermittently impulse charging is repeated and (5) monitors formula
The step of intermittent compensation charges, until light source of charger removes, charging system stops working.
3. the charging method of the multifunctional power system according to claim 2 based on bivariants intermittent pulse algorithm,
It is characterized in that, the specific charging method of the gradual low current charge mode used in the step 2 are as follows: firstly, using one
Stable low current charge for a period of time, after voltage rises to certain phase, is slightly lifted current class, continues constant-current charge
After a period of time, current class is still slightly improved, is specifically executed according to table 1, continues to charge, repeatedly, until voltage class
Rise to 1.0V.
4. the charging method of the multifunctional power system according to claim 2 based on bivariants intermittent pulse algorithm,
It is characterized in that, the time-dependent current intermittent charge method used in the step 4 is built upon the basis of constant-current charge and pulse charge
On, then constant-current charge section is changed to time-dependent current intermittent charge section, realize large current charge.
5. the charging method of the multifunctional power system according to claim 2 based on bivariants intermittent pulse algorithm,
It is characterized in that, the time variant voltage intermittent charge method used in the step 5 method particularly includes:
Charged level is divided into 3 grades by the way of interval constant pressure, due to being constant-voltage charge, charging current exponentially under
Drop, during every grade of constant-voltage charge, the variation of meeting real-time monitoring charging current, using current change quantity as grade scale, when
When current change quantity reaches 0.1A, downgrade processing is carried out, likewise, degradation is not only the reduction of voltage class, voltage decline
The degradation of 0.1V and pulse voltage width and intermittent time, pulse width shorten 5%, batch time reduction 10%, until filling
Electric current drops to threshold value 0.1A or less.
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