CN105607006A - Battery capacity determination method, system and terminal thereof - Google Patents
Battery capacity determination method, system and terminal thereof Download PDFInfo
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- CN105607006A CN105607006A CN201510643711.5A CN201510643711A CN105607006A CN 105607006 A CN105607006 A CN 105607006A CN 201510643711 A CN201510643711 A CN 201510643711A CN 105607006 A CN105607006 A CN 105607006A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/367—Software therefor, e.g. for battery testing using modelling or look-up tables
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
- G01R31/3842—Arrangements for monitoring battery or accumulator variables, e.g. SoC combining voltage and current measurements
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Abstract
The invention provides a battery capacity determination method, a system and a terminal thereof. The method comprises the following steps of detecting whether a current value output by a battery is changed; determining a time quantum when the current value output by the battery is not changed, recording a voltage and a battery capacity of the time quantum, using the voltage and the battery capacity of the time quantum to determine one linear function relation and taking the linear function relation as a first function. Through the technical scheme of the invention, maximum stabilizing of the battery capacity is realized.
Description
Technical field
The present invention relates to terminal technology field, in particular to a kind of definite side of battery electric quantityMethod, a kind of battery electric quantity be fixed system and a kind of terminal really.
Background technology
In correlation technique, in order to save terminal manufacturing cost, for the renewal of the battery electric quantity of terminalJourney, terminal manufacturer is preset electric weight-voltage curve, by obtaining outside dividing potential drop and the electric weight-electricity of batteryThe line of buckling is determined information about power, and in the renewal process of this battery electric quantity, electric quantity change is also unevenSurely, affecting user experiences.
Therefore the definite scheme that, how to design a kind of new battery electric quantity reported to realize battery electric quantityThe technical problem of the tranquilization of journey.
Summary of the invention
The present invention just based on above-mentioned technical problem one of at least, has proposed a kind of new battery electric quantityDetermine scheme, by determining voltage and battery electric quantity according to the current value after changing, realized battery electricityAmount reports the tranquilization of process.
In view of this, the first inventive embodiment of the present invention, has proposed determining of a kind of battery electric quantityMethod, comprising: whether the current value that detects battery output changes; Determine what described battery was exportedThe time period that current value does not change, record voltage and the battery electric quantity of described time period, with describedThe voltage of time period and battery electric quantity are determined a linear function relation, as the first function, with basisDescribed the first function is determined the electric weight of described battery.
In this technical scheme, the circuit in the time period not changing by record current value and electricityPond electric weight, determines the first functional relation, and the first functional relation is linear function, has avoided as relevantIn technology, detect in real time current information, and check that according to current information manufacturer presets electric weight-voltage songLine, and definite method of battery electric quantity according to an embodiment of the invention, can not become at electric currentThe information about power that smooth change is provided to user in the time period of changing all the time, also detecting that electric current is notWhile changing, first function and the magnitude of voltage corresponding according to current value, can determine information about power.
Wherein, definite method of the first function includes but not limited to following one:
In time period 0-Ts, get voltage change and electric quantity change value in 0-tms, wherein, t <T, using the magnitude of voltage in 0 moment and charge value as starting point, with electric quantity change value and voltage changeRatio, as slope, is determined the first function.
In technique scheme, preferred, also comprise: at the electric current that described battery output detectedWhen value changes, determine another straight line letter of voltage and battery electric quantity according to the current value after changingNumber relation, as the second function; Determine that described the first function do not send out at the current value of described battery outputThe first cell voltage corresponding to minimum electric weight of the time period of changing, and determine described the first batteryVoltage is corresponding to the electric weight difference of described the first function and described the second function; According to described the first batteryVoltage, described the second function and described electric weight difference are determined another straight line letter of voltage and battery electric quantityNumber relation, as the 3rd function, to determine the electric current in described battery output according to described the 3rd functionElectric weight after value changes.
In this technical scheme, by determining the electricity after the first function, the variation that initial current value is correspondingThe second function that flow valuve is corresponding and electric weight difference, determined the information about power after current value changes,Electric weight reports process steady, has reduced internal memory operand, has also avoided the voltage of frequent detection batteryWith default electric weight-voltage curve.
Particularly, determining after initial quantity of electricity, detecting current value and whether change, at current value notWhile changing, the current value I 1 of the actual turnover of record battery is determined first of voltage and battery electric quantityFunction, for example, reads the first function starting point for (0V, 100%), end point for (3.9V,60%), the slope of the first function is corresponding to current value I 1, in the time that current value I 1 changes, and rootCurrent value I 2 according to initial quantity of electricity and after changing is determined the second function, similarly, the second function tiltedlyRate value, corresponding to the current value I 2 after changing, reads the second function starting point for (0V, 100%), determines3.9V corresponding to the electric weight difference of the first function and the second function as electric weight offset Δ Q, at electric weightAfter 60%, determine electric weight according to the second function, and the electric weight of the second function is added to electric weight compensationValue Δ Q, determines the 3rd function, and determines 2 duration of current value I after changing according to the 3rd functionInterior charge value corresponding to voltage.
In technique scheme, preferred, also comprise: whether the current value that detects battery output is sent outChanging, comprises following concrete steps: predetermined current value change threshold; Judge what described battery was exportedWhether the variate-value of current value is more than or equal to described predetermined current value change threshold; Judging described electricityWhen the variate-value of the current value of pond output is more than or equal to described predetermined current value change threshold, determine instituteThe current value of stating battery output changes.
In this technical scheme, by predetermined current value change threshold, can determine and upgrade electric piezo-electricThe threshold range of pond electric quantity function, suitable predetermined current value change threshold can effectively be avoided electric current lineThe interference of the noises such as ripple, has ensured that battery electric quantity reports the stationarity of process further, for example, pre-If current value change threshold is 1 μ A,, in the time detecting that current value variation is less than 1 μ A, do not thinkCurrent value changes, thereby has improved the reliability of definite battery electric quantity.
Particularly, determining after the linear function of voltage-battery electric quantity relation this linear functionCorresponding current value is as a reference value, by the current value detecting in real time and the difference of said reference value, withThe comparison of above-mentioned predetermined current value change threshold, and the difference of judging current value and a reference value be greater than or etc.In the time of predetermined current value change threshold, upgrade the linear function of voltage-battery electric quantity relation, Yi JiWhen the difference of judgement current value and a reference value is less than predetermined current value change threshold, do not upgrade electric piezo-electricThe linear function of pond electric weight relation.
In above-mentioned any one technical scheme, preferred, at the current value that described battery output detectedWhile changing, determine another linear function of voltage and battery electric quantity according to the current value after changingRelation, as the second function, comprises following concrete steps: at the electric current that described battery output detectedWhen value changes, determine described the second function slope corresponding to current value after described variation; DetermineThe highest electric weight of the time period that described the first function does not change at the current value of described battery output andThe second corresponding cell voltage; According to described the second function slope, the highest described electric weight and described secondCell voltage is determined described the second function.
In this technical scheme, by described the second function slope corresponding to current value after changing, withAnd starting point (0V, 100%) determines the second function, generate the reference function after curent change, butOwing to there being electric weight offset Δ Q, for example current value I 1 rapid drawdown to current value I 2, battery electricityThe variable quantity of amount reduces, and reference the second function and electric weight offset Δ Q determine when current value I 2 continuesThe 3rd interior function.
In above-mentioned any one technical scheme, preferred, also comprise: true according to described the 3rd functionAfter electric weight after the current value that fixes on the output of described battery changes, upgrade the inner nuclear layer of described batteryInformation about power.
In this technical scheme, determine the electric weight after current value changes by the 3rd function, upgradeThe information about power of inner nuclear layer, has ensured the steady of electric quantity change, has promoted user's experience.
In above-mentioned any one technical scheme, preferred, also comprise: upgrade described battery completingAfter the information about power of inner nuclear layer, the described information about power after upgrading is sent to the application of described batteryLayer.
In this technical scheme, be sent to application layer by the information about power that inner nuclear layer is upgraded, enter onePromote to step the steady of electric quantity change, promoted user's experience.
The second inventive embodiment of the present invention, has proposed a kind of battery electric quantity fixed system really, bagDraw together: whether detecting unit, change for detection of the current value of battery output; Determining unit, usesThe time period not changing in the current value of determining described battery output, record the electricity of described time periodPress and battery electric quantity, determine a linear function relation with voltage and the battery electric quantity of described time period,As the first function, to determine the electric weight of described battery according to described the first function.
In this technical scheme, the circuit in the time period not changing by record current value and electricityPond electric weight, determines the first functional relation, and the first functional relation is linear function, has avoided as relevantIn technology, detect in real time current information, and check that according to current information manufacturer presets electric weight-voltage songLine, and definite method of battery electric quantity according to an embodiment of the invention, can not become at electric currentThe information about power that smooth change is provided to user in the time period of changing all the time, also detecting that electric current is notWhile changing, first function and the magnitude of voltage corresponding according to current value, can determine information about power.
Wherein, definite method of the first function includes but not limited to following one:
In time period 0-Ts, get voltage change and electric quantity change value in 0-tms, wherein, t <T, using the magnitude of voltage in 0 moment and charge value as starting point, with electric quantity change value and voltage changeRatio, as slope, is determined the first function.
In technique scheme, preferred, described determining unit also for: described electricity detectedWhen the current value of pond output changes, determine voltage and battery electric quantity according to current value after changingAnother linear function relation, as the second function; Described determining unit also for: determine describedThe minimum electric weight of the time period that one function does not change at the current value of described battery output corresponding theOne cell voltage, and determine that described the first cell voltage is corresponding to described the first function and described secondThe electric weight difference of function; Described determining unit also for: according to described the first cell voltage, describedTwo functions and described electric weight difference are determined another linear function relation of voltage and battery electric quantity, asThe 3rd function, to determine according to described the 3rd function after the current value of described battery output changesElectric weight.
In this technical scheme, by determining the electricity after the first function, the variation that initial current value is correspondingThe second function that flow valuve is corresponding and electric weight difference, determined the information about power after current value changes,Electric weight reports process steady, has reduced internal memory operand, has also avoided the voltage of frequent detection batteryWith default electric weight-voltage curve.
Particularly, determining after initial quantity of electricity, detecting current value and whether change, at current value notWhile changing, the current value I 1 of the actual turnover of record battery is determined first of voltage and battery electric quantityFunction, for example, reads the first function starting point for (0V, 100%), end point for (3.9V,60%), the slope of the first function is corresponding to current value I 1, in the time that current value I 1 changes, and rootCurrent value I 2 according to initial quantity of electricity and after changing is determined the second function, similarly, the second function tiltedlyRate value, corresponding to the current value I 2 after changing, reads the second function starting point for (0V, 100%), determines3.9V corresponding to the electric weight difference of the first function and the second function as electric weight offset Δ Q, at electric weightAfter 60%, determine electric weight according to the second function, and the electric weight of the second function is added to electric weight compensationValue Δ Q, determines the 3rd function, and determines 2 duration of current value I after changing according to the 3rd functionInterior charge value corresponding to voltage.
In technique scheme, preferred, also comprise: default unit, becomes for predetermined current valueChange threshold value; Judging unit, whether the variate-value of current value of described battery output is greater than for judging orEqual described predetermined current value change threshold; Described determining unit also for: judge described battery defeatedWhen the variate-value of the current value going out is more than or equal to described predetermined current value change threshold, determine described electricityThe current value of pond output changes.
In this technical scheme, by predetermined current value change threshold, can determine and upgrade electric piezo-electricThe threshold range of pond electric quantity function, suitable predetermined current value change threshold can effectively be avoided electric current lineThe interference of the noises such as ripple, has ensured that battery electric quantity reports the stationarity of process further, for example, pre-If current value change threshold is 1 μ A,, in the time detecting that current value variation is less than 1 μ A, do not thinkCurrent value changes, thereby has improved the reliability of definite battery electric quantity.
Particularly, determining after the linear function of voltage-battery electric quantity relation this linear functionCorresponding current value is as a reference value, by the current value detecting in real time and the difference of said reference value, withThe comparison of above-mentioned predetermined current value change threshold, and the difference of judging current value and a reference value be greater than or etc.In the time of predetermined current value change threshold, upgrade the linear function of voltage-battery electric quantity relation, Yi JiWhen the difference of judgement current value and a reference value is less than predetermined current value change threshold, do not upgrade electric piezo-electricThe linear function of pond electric weight relation.
In above-mentioned any one technical scheme, preferred, described determining unit also for: detectingWhen the current value of described battery output changes, determine current value after described variation corresponding described inThe second function slope; Described determining unit also for: determine that described the first function exports at described batteryThe highest electric weight and the second corresponding cell voltage of time period of not changing of current value; Described trueOrder unit also for: according to described the second function slope, the highest described electric weight and described the second battery electricityPress and determine described the second function.
In this technical scheme, by described the second function slope corresponding to current value after changing, withAnd starting point (0V, 100%) determines the second function, generate the reference function after curent change, butOwing to there being electric weight offset Δ Q, for example current value I 1 rapid drawdown to current value I 2, battery electricityThe variable quantity of amount reduces, and reference the second function and electric weight offset Δ Q determine when current value I 2 continuesThe 3rd interior function.
In above-mentioned any one technical scheme, preferred, also comprise: updating block, in basisDescribed the 3rd function is determined after the electric weight after the current value of described battery output changes, is upgraded instituteState the information about power of the inner nuclear layer of battery.
In this technical scheme, determine the electric weight after current value changes by the 3rd function, upgradeThe information about power of inner nuclear layer, has ensured the steady of electric quantity change, has promoted user's experience.
In above-mentioned any one technical scheme, preferred, also comprise: transmitting element, for completingUpgrade after the information about power of inner nuclear layer of described battery, the described information about power after upgrading is sent to instituteState the application layer of battery.
In this technical scheme, be sent to application layer by the information about power that inner nuclear layer is upgraded, enter onePromote to step the steady of electric quantity change, promoted user's experience.
The 3rd inventive embodiment of the present invention, has proposed a kind of terminal, comprising: as above-mentioned any oneThe battery electric quantity of technical scheme fixed system really.
By above technical scheme, on the one hand, in the time period not changing by record current valueCircuit and battery electric quantity, determine the first functional relation, and the first functional relation is linear function, keep awayExempt from as detected in real time current information in correlation technique, and checked the default electricity of manufacturer according to current informationAmount-voltage curve, and definite method of battery electric quantity according to an embodiment of the invention, can be at electricityIn the time period that stream does not change, provide all the time the information about power of smooth change to user, also in inspectionWhen measuring electric current and not changing, first function and the magnitude of voltage corresponding according to current value, can determineInformation about power. On the other hand, by determining the electricity after the first function, the variation that initial current value is correspondingThe second function that flow valuve is corresponding and electric weight difference, determined the information about power after current value changes,After having ensured further curent change, electric weight reports process steady, has reduced internal memory operand, is alsoVoltage and the default electric weight-voltage curve of frequent detection battery are avoided.
Brief description of the drawings
Fig. 1 shows the exemplary flow of definite method of battery electric quantity according to an embodiment of the inventionFigure;
Fig. 2 shows the battery electric quantity schematic block diagram of fixed system really according to an embodiment of the invention;
Fig. 3 shows the schematic block diagram of terminal according to an embodiment of the invention;
Fig. 4 shows the schematic diagram of definite scheme of battery electric quantity according to an embodiment of the invention;
Fig. 5 shows the code skeleton of definite scheme of battery electric quantity according to an embodiment of the invention and showsIntention.
Detailed description of the invention
In order more clearly to understand above-mentioned purpose of the present invention, feature and advantage, below in conjunction with attachedFigure and detailed description of the invention are further described in detail the present invention. It should be noted that, notIn the situation of conflict, the feature in the application's embodiment and embodiment can combine mutually.
Set forth in the following description a lot of details so that fully understand the present invention, still,The present invention can also adopt other to be different from other modes described here and implement, therefore, and the present inventionProtection domain be not subject to the restriction of following public specific embodiment.
Fig. 1 shows the exemplary flow of definite method of battery electric quantity according to an embodiment of the inventionFigure.
As shown in Figure 1, definite method of battery electric quantity according to an embodiment of the invention, comprising: stepRapid 102, whether the current value that detects battery output changes; Step 104, determines described batteryThe time period that the current value of output does not change, record voltage and the battery electric quantity of described time period,Voltage and battery electric quantity with the described time period are determined a linear function relation, as the first function,To determine the electric weight of described battery according to described the first function.
In this technical scheme, the circuit in the time period not changing by record current value and electricityPond electric weight, determines the first functional relation, and the first functional relation is linear function, has avoided as relevantIn technology, detect in real time current information, and check that according to current information manufacturer presets electric weight-voltage songLine, and definite method of battery electric quantity according to an embodiment of the invention, can not become at electric currentThe information about power that smooth change is provided to user in the time period of changing all the time, also detecting that electric current is notWhile changing, first function and the magnitude of voltage corresponding according to current value, can determine information about power.
Wherein, definite method of the first function includes but not limited to following one:
In time period 0-Ts, get voltage change and electric quantity change value in 0-tms, wherein, t <T, using the magnitude of voltage in 0 moment and charge value as starting point, with electric quantity change value and voltage changeRatio, as slope, is determined the first function.
In technique scheme, preferred, also comprise: step 106, is detecting described batteryWhen the current value of output changes, determine the another of voltage and battery electric quantity according to the current value after changingA linear function relation, as the second function; Step 108, determines that described the first function is describedThe first cell voltage corresponding to minimum electric weight of the time period that the current value of battery output does not change,And determine that described the first cell voltage is poor corresponding to the electric weight of described the first function and described the second functionValue; Step 110, true according to described the first cell voltage, described the second function and described electric weight differenceDetermine another linear function relation of voltage and battery electric quantity, as the 3rd function, with according to describedThree functions are determined the electric weight after the current value of described battery output changes.
In this technical scheme, by determining the electricity after the first function, the variation that initial current value is correspondingThe second function that flow valuve is corresponding and electric weight difference, determined the information about power after current value changes,Electric weight reports process steady, has reduced internal memory operand, has also avoided the voltage of frequent detection batteryWith default electric weight-voltage curve.
Particularly, determining after initial quantity of electricity, detecting current value and whether change, at current value notWhile changing, the current value I 1 of the actual turnover of record battery is determined first of voltage and battery electric quantityFunction, for example, reads the first function starting point for (0V, 100%), end point for (3.9V,60%), the slope of the first function is corresponding to current value I 1, in the time that current value I 1 changes, and rootCurrent value I 2 according to initial quantity of electricity and after changing is determined the second function, similarly, the second function tiltedlyRate value, corresponding to the current value I 2 after changing, reads the second function starting point for (0V, 100%), determines3.9V corresponding to the electric weight difference of the first function and the second function as electric weight offset Δ Q, at electric weightAfter 60%, determine electric weight according to the second function, and the electric weight of the second function is added to electric weight compensationValue Δ Q, determines the 3rd function, and determines 2 duration of current value I after changing according to the 3rd functionInterior charge value corresponding to voltage.
In technique scheme, preferred, also comprise: whether the current value that detects battery output is sent outChanging, comprises following concrete steps: predetermined current value change threshold; Judge what described battery was exportedWhether the variate-value of current value is more than or equal to described predetermined current value change threshold; Judging described electricityWhen the variate-value of the current value of pond output is more than or equal to described predetermined current value change threshold, determine instituteThe current value of stating battery output changes.
In this technical scheme, by predetermined current value change threshold, can determine and upgrade electric piezo-electricThe threshold range of pond electric quantity function, suitable predetermined current value change threshold can effectively be avoided electric current lineThe interference of the noises such as ripple, has ensured that battery electric quantity reports the stationarity of process further, for example, pre-If current value change threshold is 1 μ A,, in the time detecting that current value variation is less than 1 μ A, do not thinkCurrent value changes, thereby has improved the reliability of definite battery electric quantity.
Particularly, determining after the linear function of voltage-battery electric quantity relation this linear functionCorresponding current value is as a reference value, by the current value detecting in real time and the difference of said reference value, withThe comparison of above-mentioned predetermined current value change threshold, and the difference of judging current value and a reference value be greater than or etc.In the time of predetermined current value change threshold, upgrade the linear function of voltage-battery electric quantity relation, Yi JiWhen the difference of judgement current value and a reference value is less than predetermined current value change threshold, do not upgrade electric piezo-electricThe linear function of pond electric weight relation.
In above-mentioned any one technical scheme, preferred, at the current value that described battery output detectedWhile changing, determine another linear function of voltage and battery electric quantity according to the current value after changingRelation, as the second function, comprises following concrete steps: at the electric current that described battery output detectedWhen value changes, determine described the second function slope corresponding to current value after described variation; DetermineThe highest electric weight of the time period that described the first function does not change at the current value of described battery output andThe second corresponding cell voltage; According to described the second function slope, the highest described electric weight and described secondCell voltage is determined described the second function.
In this technical scheme, by described the second function slope corresponding to current value after changing, withAnd starting point (0V, 100%) determines the second function, generate the reference function after curent change, butOwing to there being electric weight offset Δ Q, for example current value I 1 rapid drawdown to current value I 2, battery electricityThe variable quantity of amount reduces, and reference the second function and electric weight offset Δ Q determine when current value I 2 continuesThe 3rd interior function.
In above-mentioned any one technical scheme, preferred, also comprise: true according to described the 3rd functionAfter electric weight after the current value that fixes on the output of described battery changes, upgrade the inner nuclear layer of described batteryInformation about power.
In this technical scheme, determine the electric weight after current value changes by the 3rd function, upgradeThe information about power of inner nuclear layer, has ensured the steady of electric quantity change, has promoted user's experience.
In above-mentioned any one technical scheme, preferred, also comprise: upgrade described battery completingAfter the information about power of inner nuclear layer, the described information about power after upgrading is sent to the application of described batteryLayer.
In this technical scheme, be sent to application layer by the information about power that inner nuclear layer is upgraded, enter onePromote to step the steady of electric quantity change, promoted user's experience.
Fig. 2 shows the battery electric quantity schematic block diagram of fixed system really according to an embodiment of the invention.
As shown in Figure 2, battery electric quantity fixed system 200 really according to an embodiment of the invention, detectsWhether unit 202, change for detection of the current value of battery output; Determining unit 204, usesThe time period not changing in the current value of determining described battery output, record the electricity of described time periodPress and battery electric quantity, determine a linear function relation with voltage and the battery electric quantity of described time period,As the first function, to determine the electric weight of described battery according to described the first function.
In this technical scheme, the circuit in the time period not changing by record current value and electricityPond electric weight, determines the first functional relation, and the first functional relation is linear function, has avoided as relevantIn technology, detect in real time current information, and check that according to current information manufacturer presets electric weight-voltage songLine, and definite method of battery electric quantity according to an embodiment of the invention, can not become at electric currentThe information about power that smooth change is provided to user in the time period of changing all the time, also detecting that electric current is notWhile changing, first function and the magnitude of voltage corresponding according to current value, can determine information about power.
Wherein, definite method of the first function includes but not limited to following one:
In time period 0-Ts, get voltage change and electric quantity change value in 0-tms, wherein, t <T, using the magnitude of voltage in 0 moment and charge value as starting point, with electric quantity change value and voltage changeRatio, as slope, is determined the first function.
In technique scheme, preferred, described determining unit 204 also for: detectingWhen the current value of stating battery output changes, determine voltage and battery electricity according to the current value after changingAnother linear function relation of amount, as the second function; Described determining unit 204 also for: reallyThe minimum electric weight of the time period that fixed described the first function does not change at the current value of described battery outputThe first corresponding cell voltage, and determine described the first cell voltage corresponding to described the first function andThe electric weight difference of described the second function; Described determining unit 204 also for: according to described the first batteryVoltage, described the second function and described electric weight difference are determined another straight line letter of voltage and battery electric quantityNumber relation, as the 3rd function, to determine the electric current in described battery output according to described the 3rd functionElectric weight after value changes.
In this technical scheme, by determining the electricity after the first function, the variation that initial current value is correspondingThe second function that flow valuve is corresponding and electric weight difference, determined the information about power after current value changes,Electric weight reports process steady, has reduced internal memory operand, has also avoided the voltage of frequent detection batteryWith default electric weight-voltage curve.
Particularly, determining after initial quantity of electricity, detecting current value and whether change, at current value notWhile changing, the current value I 1 of the actual turnover of record battery is determined first of voltage and battery electric quantityFunction, for example, reads the first function starting point for (0V, 100%), end point for (3.9V,60%), the slope of the first function is corresponding to current value I 1, in the time that current value I 1 changes, and rootCurrent value I 2 according to initial quantity of electricity and after changing is determined the second function, similarly, the second function tiltedlyRate value, corresponding to the current value I 2 after changing, reads the second function starting point for (0V, 100%), determines3.9V corresponding to the electric weight difference of the first function and the second function as electric weight offset Δ Q, at electric weightAfter 60%, determine electric weight according to the second function, and the electric weight of the second function is added to electric weight compensationValue Δ Q, determines the 3rd function, and determines 2 duration of current value I after changing according to the 3rd functionInterior charge value corresponding to voltage.
In technique scheme, preferred, also comprise: default unit 206, for predetermined currentValue change threshold; Judging unit 208, for the variate-value of the current value that judges the output of described battery isNoly be more than or equal to described predetermined current value change threshold; Described determining unit 204 also for: sentencingThe variate-value of the current value of fixed described battery output is more than or equal to described predetermined current value change thresholdTime, determine that the current value of described battery output changes.
In this technical scheme, by predetermined current value change threshold, can determine and upgrade electric piezo-electricThe threshold range of pond electric quantity function, suitable predetermined current value change threshold can effectively be avoided electric current lineThe interference of the noises such as ripple, has ensured that battery electric quantity reports the stationarity of process further, for example, pre-If current value change threshold is 1 μ A,, in the time detecting that current value variation is less than 1 μ A, do not thinkCurrent value changes, thereby has improved the reliability of definite battery electric quantity.
Particularly, determining after the linear function of voltage-battery electric quantity relation this linear functionCorresponding current value is as a reference value, by the current value detecting in real time and the difference of said reference value, withThe comparison of above-mentioned predetermined current value change threshold, and the difference of judging current value and a reference value be greater than or etc.In the time of predetermined current value change threshold, upgrade the linear function of voltage-battery electric quantity relation, Yi JiWhen the difference of judgement current value and a reference value is less than predetermined current value change threshold, do not upgrade electric piezo-electricThe linear function of pond electric weight relation.
In above-mentioned any one technical scheme, preferred, described determining unit 204 also for: in inspectionWhen the current value that measures the output of described battery changes, determine that the current value after described variation is correspondingDescribed the second function slope; Described determining unit 204 also for: determine that described the first function is describedThe highest electric weight of the time period that the current value of battery output does not change and the second corresponding battery electricityPress; Described determining unit 204 also for: according to described the second function slope, the highest described electric weight andDescribed the second cell voltage is determined described the second function.
In this technical scheme, by described the second function slope corresponding to current value after changing, withAnd starting point (0V, 100%) determines the second function, generate the reference function after curent change, butOwing to there being electric weight offset Δ Q, for example current value I 1 rapid drawdown to current value I 2, battery electricityThe variable quantity of amount reduces, and reference the second function and electric weight offset Δ Q determine when current value I 2 continuesThe 3rd interior function.
In above-mentioned any one technical scheme, preferred, also comprise: updating block 210, forDetermine after the electric weight after the current value of described battery output changes, more according to described the 3rd functionThe information about power of the inner nuclear layer of new described battery.
In this technical scheme, determine the electric weight after current value changes by the 3rd function, upgradeThe information about power of inner nuclear layer, has ensured the steady of electric quantity change, has promoted user's experience.
In above-mentioned any one technical scheme, preferred, also comprise: transmitting element 212, forComplete after the information about power of the inner nuclear layer that upgrades described battery, the described information about power after upgrading is sentTo the application layer of described battery.
In this technical scheme, be sent to application layer by the information about power that inner nuclear layer is upgraded, enter onePromote to step the steady of electric quantity change, promoted user's experience.
Fig. 3 shows the schematic block diagram of terminal according to an embodiment of the invention.
As shown in Figure 3, terminal 300 according to an embodiment of the invention, comprising: as above-mentioned any oneThe battery electric quantity of technical scheme is fixed system 200 really.
Below in conjunction with Fig. 4 and Fig. 5, definite scheme of battery electric quantity is according to an embodiment of the invention enteredRow illustrates.
As shown in Figure 4, the current value I 1 of battery output remains unchanged at b1 straight line, and b1 straight line isThe functional relation of voltage and electric weight, when current value I 1 rapid drawdown is during to current value I 2, according to current value I 2Determine a straight line, and electric weight offset Δ Q (being now negative value), a straight line is added to electric weight benefitAfter the value of repaying Δ Q, determine b2 straight line, b2 straight line is the current value I reference function of 2 duration, alsoAt 2 duration of current value I internal reference b2 straight line to determine the functional relation of voltage and electric weight.
As shown in Figure 5, the renewal process in inner nuclear layer and application layer of battery electric quantity comprises: step502,2 duration of current value I; Step 504, in the time that electric current changes, according to battery electric quantityControl algolithm determine information about power; Step 506, upgrades energy supply module (PowerSupply) upgrade battery electric quantity information; Step 508, battery service module (Batteryservice)Obtain the battery electric quantity information of renewal.
More than be described with reference to the accompanying drawings technical scheme of the present invention, considered and how to design one newlyDefinite scheme of battery electric quantity to improve the technical problem of download efficiency. Therefore, the present invention proposesA definite scheme for new battery electric quantity, by creating multiple user domain and passing through multiple in terminalDifferent communication channels are connected to Resource Server, to overcome single communication passage to battery electric quantity reallyDetermine the restriction of process, promoted user's download efficiency. These are only the preferred embodiments of the present invention and, be not limited to the present invention, for a person skilled in the art, the present invention can have respectivelyPlant change and change. Within the spirit and principles in the present invention all, any amendment of doing, be equal to and replaceChange, improvement etc., within all should being included in protection scope of the present invention.
Claims (11)
1. a definite method for battery electric quantity, is characterized in that, comprising:
Whether the current value that detects battery output changes;
Determine the time period that the current value of described battery output does not change, record the described time periodVoltage and battery electric quantity, determine that with voltage and the battery electric quantity of described time period a linear function closesSystem, as the first function, to determine the electric weight of described battery according to described the first function.
2. definite method of battery electric quantity according to claim 1, is characterized in that, also bagDraw together:
In the time that the current value that described battery output detected changes, true according to the current value after changingDetermine another linear function relation of voltage and battery electric quantity, as the second function;
Determine that time period that described the first function do not change at the current value of described battery outputThe first cell voltage that low electric weight is corresponding, and determine that described the first cell voltage is corresponding to described firstThe electric weight difference of function and described the second function;
Determine voltage and electricity according to described the first cell voltage, described the second function and described electric weight differenceAnother linear function relation of pond electric weight, as the 3rd function, to determine according to described the 3rd functionElectric weight after the current value of described battery output changes.
3. definite method of battery electric quantity according to claim 2, is characterized in that, detectsWhether the current value of battery output changes, and comprises following concrete steps:
Predetermined current value change threshold;
Whether the variate-value that judges the current value of described battery output is more than or equal to described predetermined current valueChange threshold;
Variate-value at the current value of judging described battery output is more than or equal to described predetermined current value changeWhile changing threshold value, determine that the current value of described battery output changes.
4. definite method of battery electric quantity according to claim 2, is characterized in that, in inspectionWhen the current value that measures the output of described battery changes, according to the current value after changing determine voltage andAnother linear function relation of battery electric quantity, as the second function, comprises following concrete steps:
In the time that the current value that described battery output detected changes, determine the electric current after described variationDescribed the second function slope that value is corresponding;
Determine that time period that described the first function do not change at the current value of described battery outputHigh electric weight and the second corresponding cell voltage;
Described in determining according to described the second function slope, the highest described electric weight and described the second cell voltageThe second function.
5. according to definite method of the battery electric quantity described in any one in claim 2 to 4, its spyLevy and be, also comprise:
At the electric weight of determining according to described the 3rd function after the current value of described battery output changesAfter, upgrade the information about power of the inner nuclear layer of described battery;
Complete after the information about power of the inner nuclear layer that upgrades described battery, by the described electric weight letter after upgradingBreath is sent to the application layer of described battery.
6. a battery electric quantity fixed system really, is characterized in that, comprising:
Whether detecting unit, change for detection of the current value of battery output;
Determining unit, for the time period of determining that the current value of described battery output does not change, noteRecord voltage and the battery electric quantity of described time period, determine one with voltage and the battery electric quantity of described time periodIndividual linear function relation, as the first function, to determine the electricity of described battery according to described the first functionAmount.
7. battery electric quantity according to claim 6 fixed system really, is characterized in that,
Described determining unit also for: in the time that the current value that the output of described battery detected changes,Determine another linear function relation of voltage and battery electric quantity according to the current value after changing, as theTwo functions;
Described determining unit also for: determine that described the first function is not at the current value of described battery outputThe first cell voltage corresponding to minimum electric weight of the time period changing, and determine described the first electricityCell voltage is corresponding to the electric weight difference of described the first function and described the second function;
Described determining unit also for: according to described the first cell voltage, described the second function and described inElectric weight difference is determined another linear function relation of voltage and battery electric quantity, as the 3rd function, withDetermine the electric weight after the current value of described battery output changes according to described the 3rd function.
8. battery electric quantity according to claim 7 fixed system really, is characterized in that, also bagDraw together:
Default unit, for predetermined current value change threshold;
Whether judging unit, be more than or equal to for the variate-value of the current value that judges the output of described batteryDescribed predetermined current value change threshold;
Described determining unit also for: be greater than at the variate-value of current value of judging the output of described battery orWhile equaling described predetermined current value change threshold, determine that the current value of described battery output changes.
9. battery electric quantity according to claim 7 fixed system really, is characterized in that,
Described determining unit also for: in the time that the current value that the output of described battery detected changes,Determine described the second function slope corresponding to current value after described variation;
Described determining unit also for: determine that described the first function is not at the current value of described battery outputThe highest electric weight of the time period changing and the second corresponding cell voltage;
Described determining unit also for: according to described the second function slope, the highest described electric weight and described inThe second cell voltage is determined described the second function.
10. according to the fixed system really of the battery electric quantity described in any one in claim 7 to 9, its spyLevy and be, also comprise:
Updating block, for determining that according to described the 3rd function the current value in the output of described battery sends outAfter electric weight after changing, upgrade the information about power of the inner nuclear layer of described battery;
Transmitting element, for completing after the information about power of the inner nuclear layer that upgrades described battery, will upgradeAfter described information about power be sent to the application layer of described battery.
11. 1 kinds of terminals, is characterized in that, comprising: as any one institute in claim 6 to 10The battery electric quantity of stating fixed system really.
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