CN105048013B - A kind of charging management method and mobile terminal - Google Patents

A kind of charging management method and mobile terminal Download PDF

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Publication number
CN105048013B
CN105048013B CN201510300772.1A CN201510300772A CN105048013B CN 105048013 B CN105048013 B CN 105048013B CN 201510300772 A CN201510300772 A CN 201510300772A CN 105048013 B CN105048013 B CN 105048013B
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value
mobile terminal
charging current
charging
current value
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CN105048013A (en
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苏上丁
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/44—Methods for charging or discharging
    • H01M10/446—Initial charging measures
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The present embodiments relate to electronic technology field, a kind of charging management method and mobile terminal are disclosed.Wherein, this method includes：Mobile terminal is in charging process, obtain the present charging current value of the mobile terminal, and judge whether the present charging current value is less than preset charged current value, if, then adjust the present charging current value of the mobile terminal, so that the charge power of the mobile terminal reaches maximum charge power, the mobile terminal is finally controlled to be charged with the corresponding charging current value of maximum charge power to it.Pass through the embodiment of the present invention, mobile terminal is when charging current value is less than desired value, make the charge power of mobile terminal maximum by adjusting charging current, it so can not only improve the charge efficiency of mobile terminal, the waste of energy in charging process can also be reduced, and reduce external charger to the heat dissipation capacity in mobile terminal charging process.

Description

A kind of charging management method and mobile terminal
Technical field
The present invention relates to electronic technology field, and in particular to a kind of charging management method and mobile terminal.
Background technology
Nowadays, applied widely using the mobile terminal (such as mobile phone, tablet personal computer) of rechargeable battery, and these are moved The most of B type socket by USB of terminal connects external dc power, and (such as charger for mobile phone, portable power source or PC USB masters are set It is standby), and be the charging of its battery after the processing of internal voltage reduction module.Under normal circumstances, external dc power is exported with constant pressure, and is led to Current-limiting circuit is crossed to carry out overload protection (as using the output of TPS2553 chips current limliting).Mobile terminal takes from external dc power When electric, generally dc source is depressured using charging management chip (such as BQ24196) and is converted into and the battery of mobile terminal The power supply matched somebody with somebody, then charges the battery again.
As shown in figure 1, Fig. 1 is change of the TPS2553 chips when carrying out overload protection between output current and output voltage Change relation schematic diagram, wherein, I in Fig. 1OSFor the cut-off current threshold value of TPS2553 chips, VOUTFor output voltage.Can be with from Fig. 1 Find out, when load resistance diminishes (i.e. input current increase of output current mobile terminal), output voltage is (i.e. mobile whole The input voltage at end) it can be gradually reduced, and when output current reaches cut-off current threshold value, output voltage can be with output current Trickle increase and drop suddenly.Charging management chip it is generally desirable to input current during power taking and be the bigger the better, so that energy is quick Battery of mobile terminal is charged.But it is able to adapt to the power supply capacity of outside various dc sources, charging management chip is set The input voltage threshold value put is generally below the output voltage of external dc power.So during power taking, charging management chip It is likely to, because the increase of input current causes to actually enter voltage close to input voltage threshold value, so may result in charging valve The operating power for managing chip is less than the operating power of external dc power.And according to conservation of energy principle, external dc power Difference power between operating power and the operating power of charging management chip is eventually in the current limliting module of external dc power On in the form of heat energy consume.It can be seen that, the existing Charge Management mode of mobile terminal not only causes mobile terminal charge efficiency to drop It is low, also result in the waste of electric energy and bring the heat dissipation problem of external power source.
The content of the invention
The embodiment of the invention discloses a kind of charging management method and mobile terminal, it is possible to increase to battery of mobile terminal Charge efficiency.
First aspect of the embodiment of the present invention discloses a kind of charging management method, applied to mobile terminal, including：
Obtain the present charging current value of the mobile terminal；
Judge whether the present charging current value is less than preset charged current value；
If the present charging current value is less than the preset charged current value, increase the present charging current value, Obtain the first charging current value of the mobile terminal；
Obtain the first charging voltage value of the corresponding mobile terminal of first charging current value；
The current charging voltage value and described first for calculating the corresponding mobile terminal of the present charging current value are filled First absolute value of the difference of piezoelectric voltage value；
Judge whether first absolute value is less than first voltage threshold value, and more than second voltage threshold value, wherein, described the One voltage threshold is more than the second voltage threshold value；
If first absolute value is less than the first voltage threshold value, and more than the second voltage threshold value, it is determined that institute The corresponding charge power of present charging current value is stated for maximum charge power, and controls the mobile terminal with the current charging Current value is charged.
With reference to the embodiment of the present invention in a first aspect, in the first possible implementation of first aspect of the embodiment of the present invention In, methods described also includes：
If first absolute value is more than the first voltage threshold value, reduces the present charging current value, obtain institute State the second charging current value of mobile terminal；
Obtain the second charging voltage value of the corresponding mobile terminal of second charging current value；
The current charging voltage value and described second for calculating the corresponding mobile terminal of the present charging current value are filled Second absolute value of the difference of piezoelectric voltage value；
Judge whether second absolute value is less than the first voltage threshold value, and more than the second voltage threshold value；
If second absolute value is less than the first voltage threshold value, and more than the second voltage threshold value, it is determined that institute The corresponding charge power of the second charging current value is stated for maximum charge power, and controls the mobile terminal with the described second charging Current value is charged.
With reference to the embodiment of the present invention in a first aspect, in second of possible implementation of first aspect of the embodiment of the present invention In, methods described also includes：
If first absolute value is less than the second voltage threshold value, increases by first charging current value, obtain institute State the 3rd charging current value of mobile terminal；
Obtain the 3rd charging voltage value of the corresponding mobile terminal of the 3rd charging current value；
Calculate the 3rd absolute value of the difference of first charging voltage value and the 3rd charging voltage value；
Judge whether the 3rd absolute value is less than first voltage threshold value, and more than second voltage threshold value；
If the 3rd absolute value is less than the first voltage threshold value, and more than the second voltage threshold value, it is determined that institute The corresponding charge power of the first charging current value is stated for maximum charge power, and controls the mobile terminal with the described first charging Current value is charged.
With reference to the embodiment of the present invention in a first aspect, in the third possible implementation of first aspect of the embodiment of the present invention In, it is described to determine that the corresponding charge power of the present charging current value is maximum charge power, including：
Reduce the present charging current value, obtain the 4th charging current value of the mobile terminal；
Obtain the 4th charging voltage value of the corresponding mobile terminal of the 4th charging current value；
Calculate the 4th absolute value of the current charging voltage value and the difference of the 4th charging voltage value；
Judge whether the 4th absolute value is less than the first voltage threshold value, and more than the second voltage threshold value；
If the 4th absolute value is less than the second voltage threshold value, it is determined that the present charging current value is corresponding to be filled Electrical power is maximum charge power.
Accordingly, second aspect of the embodiment of the present invention discloses a kind of mobile terminal, including：
First acquisition unit, the present charging current value for obtaining the mobile terminal；
First judging unit, for judging whether the present charging current value is less than preset charged current value；
Adding unit, during for the result judged in first judging unit to be, increases the current charging electricity Flow valuve, obtains the first charging current value of the mobile terminal；
Second acquisition unit, the first charging electricity for obtaining the corresponding mobile terminal of first charging current value Pressure value；
Computing unit, it is corresponding described for calculating the present charging current value that the first acquisition unit gets The current charging voltage value of mobile terminal, and the second acquisition unit get the of the difference of first charging voltage value One absolute value；
Second judging unit, for judging whether first absolute value is less than first voltage threshold value, and more than the second electricity Threshold value is pressed, wherein, the first voltage threshold value is more than the second voltage threshold value；
Control unit, for judging that first absolute value is less than the first voltage threshold in second judging unit Value, and during more than the second voltage threshold value, it is maximum charge work(to determine the corresponding charge power of the present charging current value Rate, and control the mobile terminal to be charged with the present charging current value.
With reference to second aspect of the embodiment of the present invention, in the first possible implementation of second aspect of the embodiment of the present invention In, the terminal also includes：
Reduction unit, for judging that first absolute value is more than the first voltage threshold in second judging unit During value, reduce the present charging current value, obtain the second charging current value of the mobile terminal；
Wherein, the second acquisition unit, is additionally operable to obtain the corresponding mobile terminal of second charging current value The second charging voltage value；
The computing unit, is additionally operable to calculate the present charging current value correspondence that the first acquisition unit is got The mobile terminal current charging voltage value, second charging voltage value got with the second acquisition unit it Second absolute value of difference；
Second judging unit, is additionally operable to judge whether second absolute value is less than the first voltage threshold value, and More than the second voltage threshold value；
Described control unit, is additionally operable to judge that second absolute value is less than described first in second judging unit Voltage threshold, and during more than the second voltage threshold value, it is maximum to determine the corresponding charge power of second charging current value Charge power, and control the mobile terminal to be charged with second charging current value.
With reference to second aspect of the embodiment of the present invention, in second of possible implementation of second aspect of the embodiment of the present invention In：
The adding unit, is additionally operable to judge that first absolute value is less than described second in second judging unit During voltage threshold, increase by first charging current value, obtain the 3rd charging current value of the mobile terminal；
The second acquisition unit, is additionally operable to obtain the 3rd of the corresponding mobile terminal of the 3rd charging current value Charging voltage value；
The computing unit, is additionally operable to calculate the of the difference of first charging voltage value and the 3rd charging voltage value Three absolute values；
Second judging unit, is additionally operable to judge that whether the 3rd absolute value is less than first voltage threshold value, and be more than Second voltage threshold value；
Described control unit, is additionally operable to judge that the 3rd absolute value is less than described first in second judging unit Voltage threshold, and during more than the second voltage threshold value, it is maximum to determine the corresponding charge power of first charging current value Charge power, and control the mobile terminal to be charged with first charging current value.
With reference to second aspect of the embodiment of the present invention, in the third possible implementation of second aspect of the embodiment of the present invention In, described control unit determines the concrete mode that the corresponding charge power of the present charging current value is maximum charge power For：
Reduce the present charging current value, obtain the 4th charging current value of the mobile terminal；
Obtain the 4th charging voltage value of the corresponding mobile terminal of the 4th charging current value；
Calculate the 4th absolute value of the current charging voltage value and the difference of the 4th charging voltage value；
Judge whether the 4th absolute value is less than the first voltage threshold value, and more than the second voltage threshold value；
If the 4th absolute value is less than the second voltage threshold value, it is determined that the present charging current value is corresponding to be filled Electrical power is maximum charge power.
Implement the embodiment of the present invention, have the advantages that：
In the embodiment of the present invention, mobile terminal can obtain the current charging electricity of the mobile terminal in charging process, first Flow valuve, then judges whether the present charging current value is less than preset charged current value, if it is lower, just adjusting the mobile terminal Present charging current value so that the charge power of the mobile terminal reaches maximum charge power, finally control the mobile terminal It is charged with the corresponding charging current value of maximum charge power.By the embodiment of the present invention, mobile terminal is in charging When current value is less than desired value, makes the charge power of mobile terminal maximum by adjusting charging current, so can not only improve The charge efficiency of mobile terminal, can also reduce the waste of energy in charging process, and reduce external charger to mobile terminal Heat dissipation capacity in charging process.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, makes required in being described below to embodiment Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings Accompanying drawing.
Fig. 1 is change of the TPS2553 chips when carrying out overload protection between output current and output voltage in the prior art Change relation schematic diagram；
Fig. 2 is a kind of schematic flow sheet of charging management method disclosed in the embodiment of the present invention；
Fig. 3 is the schematic flow sheet of another charging management method disclosed in the embodiment of the present invention；
Fig. 4 is a kind of structural representation of mobile terminal disclosed in the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made Embodiment, belongs to the scope of protection of the invention.
The embodiment of the invention discloses a kind of charging management method and mobile terminal, it is possible to increase to battery of mobile terminal Charge efficiency.It is described in detail individually below.
Referring to Fig. 2, Fig. 2 is a kind of schematic flow sheet of charging management method disclosed in the embodiment of the present invention.Wherein, scheme Method shown in 2 can apply to smart mobile phone (such as Android phone, iOS mobile phones), MP3, MP4, MP5, tablet personal computer, Palm PC and mobile internet device (Mobile Internet Devices, MID), PAD, Intelligent worn device etc. are moved In dynamic terminal, and the mobile terminal configuration has rechargeable battery.As shown in Fig. 2 the charging management method can include following step Suddenly：
S101, the acquisition for mobile terminal mobile terminal present charging current value.
In the embodiment of the present invention, present charging current value is input current value of the mobile terminal in charging process, because This, mobile terminal can be first in its charging by its internal charging management chip (charge management circuit or charge management module) Phase can obtain current charging current value.Further, the mobile terminal may also can obtain current fill in charging stationary phase Electric current value, the embodiment of the present invention is not limited.
S102, the mobile terminal judge whether the present charging current value is less than preset charged current value, if so, performing step Rapid S103；If it is not, terminating this flow.
In the embodiment of the present invention, preset charged current value is the expectation of mobile terminal charging current in charging process Value, that is to say, that the current value of mobile terminal power taking first when from external dc power power taking.Therefore, getting During the present charging current value of the mobile terminal, the mobile terminal can judge whether the present charging current value is less than preset charged Current value.If the present charging current value is less than preset charged current value, the mobile terminal is accomplished by current charging current Value is adjusted, so that the charge power of mobile terminal reaches maximum；If the present charging current value is more than preset charged electricity Flow valuve, just the current charging current of explanation mobile terminal has reached the desired value of the mobile terminal, therefore can terminate this stream Journey.
S103, mobile terminal increase present charging current value, obtain the first charging current value of the mobile terminal.
In the embodiment of the present invention, when judging that the present charging current value is less than preset charged current value, shifting is indicated that The current charge power that dynamic terminal is charged with present charging current value is not maximum charge power, additionally it is possible to currently filling Electrical power is lifted, to reach the maximum utilizationization of electric energy, so the mobile terminal can be carried out to the present charging current value Adjustment.
As a kind of feasible embodiment, the mobile terminal can first increase present charging current value, obtain the movement First charging current value of terminal.
As another feasible embodiment, the mobile terminal can also first reduce the present charging current value, obtain Charging current value after one reduction.
Specifically, mobile terminal is mainly carried out when increasing or reducing present charging current value in the way of fine setting Adjustment, can be specifically adjusted to charging current value with mA grades, charging current value can also be adjusted with uA grades, every time The current value amplitude of adjustment can be with different or be adjusted with fixed current value amplitude, and the embodiment of the present invention is not Limit.
S104, the corresponding mobile terminal of the charging current value of acquisition for mobile terminal first the first charging voltage value.
In the embodiment of the present invention, when present charging current value is increased to the first charging current value by mobile terminal, the shifting Dynamic terminal can obtain the first charging voltage value of the corresponding mobile terminal of the first charging current value accordingly.
In the embodiment of the present invention, the mode of acquisition for mobile terminal current value and magnitude of voltage can be by mobile terminal Charging management chip carries out detecting what is obtained.
S105, the mobile terminal calculate the current charging voltage value of the corresponding mobile terminal of present charging current value and the First absolute value of the difference of one charging voltage value.
In the embodiment of the present invention, the mobile terminal is getting corresponding first charging voltage value of first charging current value Afterwards, it can calculate and deserve preceding difference between the corresponding current charging voltage value of charging current value and first charging voltage value First absolute value.Wherein, first absolute value increases to the present charging current value after the first charging current value to judge, The charge power of the mobile terminal can be made to reach maximum.
S106, the mobile terminal judge whether first absolute value is less than first voltage threshold value, and more than second voltage threshold Value, if so, performing step S107；If it is not, terminating this flow.
In the embodiment of the present invention, first when the difference for calculating the current charging voltage value and first charging voltage value is exhausted After value, first absolute value can be compared by the mobile terminal with first voltage threshold value and second voltage threshold value.
Specifically, in charging process with reference to shown in Fig. 1 current value and magnitude of voltage variation relation figure, it can be seen that it is false If the current charging current of mobile terminal is in cut-off current Near Threshold, if being further added by charging current value, charging voltage May because mobile terminal power taking electric current exceed external dc voltage provide cut-off current threshold value and will be 0V, therefore, At this moment mobile terminal charging voltage value amplitude of variation is larger, then the charging voltage value amplitude of variation can be defined as to the first electricity Press threshold value.Further, the first voltage threshold value can also be in the certain limit of the charging voltage value amplitude of variation, the present invention Embodiment is not limited.
Specifically, (i.e. present charging current value is small on Fig. 1 turning point left side for the current charging current of hypothesis mobile terminal In cut-off current threshold value), if the current charging current of the mobile terminal increased to after the first charging current value, first fills Electric current value and the not up to working current value of the turning point, now between the first charging voltage value and current charging voltage value Amplitude of variation is relatively delayed, then the mobile terminal can be by the change width between first charging voltage value and current charging voltage value Degree is defined as second voltage threshold value.Further, the second voltage threshold value can also be the one of the charging voltage value amplitude of variation Determine in scope, the embodiment of the present invention is not limited.
In the embodiment of the present invention, with reference to the above-mentioned description to first voltage threshold value and second voltage threshold value, it is recognised that The first voltage threshold value is more than the second voltage threshold value.
In the specific implementation, when mobile terminal judges that first absolute value is less than first voltage threshold value and more than second voltage During threshold value, the mobile terminal can primarily determine that the charging operating point corresponding to the present charging current value of the mobile terminal is in Turning point as shown in Figure 1 and dotted line and realize between intersection point (i.e. preferable best operating point and minimum operating point).Therefore, should Mobile terminal can regard the corresponding charging work of the present charging current value as maximum charge power.When mobile terminal judges this When first absolute value is not between second voltage threshold value and first voltage threshold value, the mobile terminal can not do any operation, And terminate this flow.
S107, the mobile terminal determine that the corresponding charge power of the present charging current value is maximum charge power, and control The mobile terminal is made to be charged with present charging current value.
In the embodiment of the present invention, when mobile terminal judges that first absolute value is less than first voltage threshold value and more than second During voltage threshold, the mobile terminal can be using the corresponding charge power of the present charging current value as maximum charge power, and controls The mobile terminal is made (to charge) to external dc power power taking with the present charging current value.
As a kind of feasible embodiment, the mobile terminal determines that the corresponding charge power of the present charging current value is Maximum charge power concrete mode may comprise steps of：
Step 11) reduce the present charging current value, obtain the 4th charging current value of the mobile terminal；
Step 12) obtain the 4th charging voltage value of the corresponding mobile terminal of the 4th charging current value；
Step 13) calculate the current charging voltage value and the 4th charging voltage value difference the 4th absolute value；
Step 14) judge whether the 4th absolute value is less than the first voltage threshold value, and more than the second voltage threshold value；
Step 15) if the 4th absolute value is less than the second voltage threshold value, it is determined that the present charging current value is corresponding Charge power is maximum charge power.
Specifically, when mobile terminal judges that first absolute value is less than first voltage threshold value and more than second voltage threshold value When, the mobile terminal can primarily determine that the charge power corresponding to the present charging current value of the mobile terminal is maximum charge Power.But in order to further verify the accuracy of the present charging current value, the mobile terminal can charge currently again On the basis of current value, reduce the present charging current value, obtain the 4th charging current value, the 4th charging electricity is then judged again Whether the amplitude of variation (i.e. the 4th absolute value) of corresponding 4th charging voltage value of flow valuve and the current charging voltage value is also at this Between first voltage threshold value and second voltage threshold value.If the 4th absolute value is less than second voltage threshold value, show that the movement is whole The operating point under current charging current is held to be in the turning point (near preferable best operating point) shown in Fig. 1, therefore, the movement Terminal just may further determine that the charge power corresponding to current charging current is maximum charge power；And if the 4th is exhausted Second voltage threshold value is equally greater than to value and less than first voltage threshold value, then indicate that the mobile terminal in current charging electricity The operating point flowed down is in the right side of preferable best operating point, and therefore, the mobile terminal may proceed to repeat step 11~step Rapid 14.
In the embodiment of the present invention, mobile terminal can obtain the current charging electricity of the mobile terminal in charging process, first Flow valuve, then judges whether the present charging current value is less than preset charged current value, if it is lower, just adjusting the mobile terminal Present charging current value so that the charge power of the mobile terminal reaches maximum charge power, finally control the mobile terminal It is charged with the corresponding charging current value of maximum charge power.By the embodiment of the present invention, mobile terminal is in charging When current value is less than desired value, makes the charge power of mobile terminal maximum by adjusting charging current, so can not only improve The charge efficiency of mobile terminal, can also reduce the waste of energy in charging process, and reduce external charger to mobile terminal Heat dissipation capacity in charging process.
Referring to Fig. 3, Fig. 3 is the schematic flow sheet of another charging management method disclosed in the embodiment of the present invention.Wherein, Method shown in Fig. 3 can apply to smart mobile phone (such as Android phone, iOS mobile phones), MP3, MP4, MP5, flat board electricity Brain, palm PC and mobile internet device (Mobile Internet Devices, MID), PAD, Intelligent worn device etc. In mobile terminal, and the mobile terminal configuration has rechargeable battery.As shown in figure 3, the charging management method can include it is following Step：
S201, the acquisition for mobile terminal mobile terminal present charging current value.
S202, the mobile terminal judge whether the present charging current value is less than preset charged current value, if so, performing step Rapid S203；If it is not, terminating this flow.
S203, mobile terminal increase present charging current value, obtain the first charging current value of the mobile terminal.
S204, the corresponding mobile terminal of the charging current value of acquisition for mobile terminal first the first charging voltage value.
S205, the mobile terminal calculate the current charging voltage value of the corresponding mobile terminal of present charging current value and the First absolute value of the difference of one charging voltage value.
S206, the mobile terminal judge whether first absolute value is less than first voltage threshold value, and more than second voltage threshold Value, if first absolute value is more than the first voltage threshold value, performs step S207~step S211；If first absolute value is less than The second voltage threshold value, performs step S212~step S216.
S207, the mobile terminal reduce the present charging current value, obtain the second charging current value of the mobile terminal.
In the embodiment of the present invention, when the mobile terminal judges that first absolute value is more than the first voltage threshold value, table Charging operating point of the bright mobile terminal under present charging current value between preferable best operating point and minimum operating point, because This, mobile terminal can further reduce the present charging current value, obtain the second charging current value of the mobile terminal.
Second charging voltage value of S208, the acquisition for mobile terminal corresponding mobile terminal of the second charging current value.
In the embodiment of the present invention, when mobile terminal reduces the present charging current value to the second charging current value, the shifting Dynamic terminal can obtain the second charging voltage value of the corresponding mobile terminal of the second charging current value accordingly.
In the embodiment of the present invention, the mode of acquisition for mobile terminal current value and magnitude of voltage can be by mobile terminal Charging management chip carries out detecting what is obtained.
S209, the mobile terminal calculate the current charging voltage value and the second of the difference of second charging voltage value absolute Value.
In the embodiment of the present invention, likewise, the mobile terminal is after the second charging voltage value is got, it can calculate and deserve Second absolute value of the difference between the preceding corresponding current charging voltage value of charging current value and second charging voltage value.Its In, can second absolute value be same to judge the present charging current value being decreased to after the second charging current value, make this The charge power of mobile terminal reaches maximum.
S210, the mobile terminal judge whether second absolute value is less than the first voltage threshold value, and more than second electricity Press threshold value.
In the embodiment of the present invention, second when the difference for calculating the current charging voltage value and second charging voltage value is exhausted After value, second absolute value can be compared by the mobile terminal with first voltage threshold value and second voltage threshold value.
Specifically, when the mobile terminal judges that second absolute value is less than the first voltage threshold value and more than second electricity When pressing threshold value, the mobile terminal is assured that the corresponding charge power of the second charging current value is maximum charge power, and The mobile terminal is controlled to be charged with second charging current value；Judge that second absolute value is less than when the mobile terminal to be somebody's turn to do During second voltage threshold value, the mobile terminal will increase the present charging current value again, and this increases the present charging current value Amplitude be less than in step S203 the amplitude of the present charging current value that increases.
If S211, second absolute value are less than the first voltage threshold value and more than the second voltage threshold value, the mobile terminal It is maximum charge power to determine the corresponding charge power of the second charging current value, and controls the mobile terminal with second charging Current value is charged.
In the embodiment of the present invention, when judging that second absolute value is less than the first voltage threshold value and more than the second voltage During threshold value, the mobile terminal can be using the corresponding charge power of the second charging current value as maximum charge power, and controls to be somebody's turn to do Mobile terminal (is charged) with second charging current value to external dc power power taking.
As a kind of feasible embodiment, the mobile terminal determines that the corresponding charge power of the second charging current value is The concrete mode of maximum charge power can be：On the basis of the second charging current value, reduce second charging current value, so The corresponding charging voltage value of charging current value after reduction is compared with the second charging voltage value afterwards, calculated between them Difference absolute value, and judge the absolute value whether also between the second voltage threshold value and first voltage threshold value.If The absolute value is less than second voltage threshold value, then the mobile terminal is assured that the charging corresponding to second charging current value Power is maximum charge power, the then power taking from external dc power with the second charging current value again.
Further, if the absolute value is still between second voltage threshold value and first voltage threshold value, mobile terminal meeting Reduce the charging current value of the mobile terminal again, until the corresponding charging voltage value of charging current value after current reduce with it is upper Untill the difference between the corresponding charging voltage value of charging current value after once reducing is less than Second Threshold, then determine again The corresponding charge power of charging current value after once reducing is maximum charge power.
S212, the mobile terminal increase by first charging current value, obtain the 3rd charging current value of the mobile terminal.
In the embodiment of the present invention, when judging that first absolute value is less than the second voltage threshold value, show that the movement is whole The charging operating point of end in this prior under charging current value is in the left side of preferable best operating point, therefore, and the mobile terminal can be Further increase charging current on the basis of first charging current value so that the charging current value after increase is the 3rd charging electricity Flow valuve.
S213, the corresponding mobile terminal of the charging current value of acquisition for mobile terminal the 3rd the 3rd charging voltage value.
It is the 3rd absolute that S214, the mobile terminal calculate the difference of first charging voltage value and the 3rd charging voltage value Value.
In the embodiment of the present invention, acquisition for mobile terminal to corresponding 3rd charging voltage value of the 3rd charging current value it Afterwards, the mobile terminal can calculate the 3rd absolute value of the difference between the first charging voltage value and the 3rd charging voltage value.Wherein, The mode of corresponding 3rd charging voltage value of the charging current value of acquisition for mobile terminal the 3rd, the first charging current value pair is obtained with it The mode for the first charging voltage value answered is identical, and the embodiment of the present invention is repeated no more.
S215, the mobile terminal judge whether the 3rd absolute value is less than the first voltage threshold value, and more than second electricity Press threshold value.
In the embodiment of the present invention, the 3rd when the difference for calculating first charging voltage value and the 3rd charging voltage value is absolute After value, the 3rd absolute value can be compared by the mobile terminal with first voltage threshold value and second voltage threshold value.
Specifically, when the mobile terminal judges that the 3rd absolute value is less than the first voltage threshold value and more than second electricity When pressing threshold value, the mobile terminal is assured that the corresponding charge power of the first charging current value is maximum charge power, and The mobile terminal is controlled to be charged with first charging current value；Judge that the 3rd absolute value is less than when the mobile terminal to be somebody's turn to do During second voltage threshold value, the mobile terminal will continue to increase charging current value, the charging current value pair after current increase The absolute value of the difference of the corresponding charging voltage value of charging current value after the charging voltage value answered and last increase is in the first electricity When pressing between threshold value and second voltage threshold value, the mobile terminal just can determine whether that the charging current value after last increase is corresponding and fill Electrical power is maximum charge power；When the mobile terminal judges that the 3rd absolute value is more than the first voltage threshold value, the shifting Dynamic terminal can do reduction processing to first charging current value, and the amplitude of the Amplitude Ratio increase charging current value of reduction is small.
If S216, the 3rd absolute value are less than the first voltage threshold value and more than the second voltage threshold value, the mobile terminal It is maximum charge power to determine the corresponding charge power of the first charging current value, and controls the mobile terminal with first charging Current value is charged.
In the embodiment of the present invention, when judging that the 3rd absolute value is less than the first voltage threshold value and more than the second voltage During threshold value, the mobile terminal can be using the corresponding charge power of the first charging current value as maximum charge power, and controls to be somebody's turn to do Mobile terminal (is charged) with first charging current value to external dc power power taking.
In the embodiment of the present invention, mobile terminal is in its charging process, if current charging current is less than its expectation charging electricity During stream, the mobile terminal can be constantly adjusted to current charging current, can first increase charging current, can also first be reduced and be filled Electric current, until adjusting out voltage change amplitude of a certain charging current after reducing to it less than second voltage threshold Value, and when the voltage change amplitude after increasing it is between first voltage threshold value and second voltage threshold value, just really The corresponding charge power of the fixed charging current is maximum charge power.So charging current value is adjusted repeatedly, can be made Mobile terminal is obtained in charging process, electric energy is maximally utilized, charge efficiency is improved, it is possible to reduce the limit of external dc power Electric current is flowed to power consumption.
Referring to Fig. 4, Fig. 4 is a kind of structural representation of mobile terminal disclosed in the embodiment of the present invention.Wherein, the movement Terminal 400 can include smart mobile phone (such as Android phone, iOS mobile phones), MP3, MP4, MP5, tablet personal computer, palm electricity Brain and mobile internet device (Mobile Internet Devices, MID), PAD, Intelligent worn device etc., the present invention are real Example is applied not limit.As shown in figure 4, the mobile terminal 400 can include with lower unit：
First acquisition unit 401, the present charging current value for obtaining the mobile terminal 400.
In the embodiment of the present invention, present charging current value is the input current value of the mobile terminal 400 in charging process, Therefore, first acquisition unit 401 can pass through its internal charging management chip (charge management circuit or charge management module) Current charging current value can be obtained in its charging initial stage.Further, first acquisition unit 401 be able to may also be stablized in charging Phase obtains current charging current value, and the embodiment of the present invention is not limited.
First judging unit 402, for judging whether is present charging current value that above-mentioned first acquisition unit 401 gets Less than preset charged current value.
In the embodiment of the present invention, preset charged current value is the phase of the charging current in charging process of mobile terminal 400 Prestige value, that is to say, that the current value of the power taking first when from external dc power power taking of mobile terminal 400.Therefore, When one acquiring unit 401 gets the present charging current value of the mobile terminal 400, the first judging unit 402 can judge to deserve Whether preceding charging current value is less than preset charged current value., should if the present charging current value is less than preset charged current value Mobile terminal 400 is accomplished by being adjusted present charging current value, so that the charge power of mobile terminal 400 reaches maximum； If the present charging current value is more than preset charged current value, just the current charging current of explanation mobile terminal 400 has reached The desired value of the mobile terminal 400 has been arrived, therefore the mobile terminal 400 will not do any operation.
Adding unit 403, for judging that the present charging current value is less than default fill in above-mentioned first judging unit 402 During electric current value, increase the present charging current value, obtain the first charging current value of the mobile terminal.
In the embodiment of the present invention, when the first judging unit 402 judges that the present charging current value is less than preset charged electricity During flow valuve, indicate that the current charge power that mobile terminal 400 is charged with present charging current value is not maximum charge Power, additionally it is possible to lifted to current charge power, to reach the maximum utilizationization of electric energy, so the meeting of mobile terminal 400 The present charging current value is adjusted.
Optionally, adding unit 403 can first increase present charging current value, and obtain the mobile terminal 400 first is filled Electric current value.
Optionally, reduction unit 408 can also first reduce the present charging current value, obtain the charging electricity after a reduction Flow valuve.
Specifically, the mobile terminal 400 is when increasing or reducing present charging current value, mainly in the way of fine setting It is adjusted, charging current value can be specifically adjusted with mA grades, charging current value can also be adjusted with uA grades, The current value amplitude adjusted every time can be with different or be adjusted with fixed current value amplitude, and the present invention is implemented Example is not limited.
Second acquisition unit 404, for changing of obtaining that above-mentioned adding unit 403 obtains the first charging current value is corresponding should First charging voltage value of mobile terminal.
In the embodiment of the present invention, when present charging current value is increased to the first charging current value by adding unit 403, the Two acquiring units 404 can obtain the first charging voltage value of the corresponding mobile terminal 400 of first charging current value accordingly.
In the embodiment of the present invention, it can be by moving that second acquisition unit 404, which obtains current value and the mode of magnitude of voltage, The charging management chip of dynamic terminal 400 carries out detecting what is obtained.
Computing unit 405, for calculating corresponding shifting of the present charging current value that first acquisition unit 401 is got The current charging voltage value of dynamic terminal, and second acquisition unit 404 get it is the first of the difference of first charging voltage value exhausted To value.
In the embodiment of the present invention, second acquisition unit 404 is getting corresponding first charging of first charging current value After magnitude of voltage, it is corresponding current that computing unit 405 can calculate the present charging current value that first acquisition unit 401 gets First absolute value of the difference between first charging voltage value that charging voltage value and second acquisition unit 404 are got.Its In, can first absolute value increases to the present charging current value after the first charging current value to judge, make the movement The charge power of terminal 400 reaches maximum.
Second judging unit 406, for judging whether first absolute value that above-mentioned computing unit 405 calculates is less than the One voltage threshold, and more than second voltage threshold value.
In the embodiment of the present invention, when computing unit 405 calculates the current charging voltage value and first charging voltage value Difference the first absolute value after, the second judging unit 406 can be by first absolute value and first voltage threshold value and the second electricity Pressure threshold value is compared.
Specifically, in charging process with reference to shown in Fig. 1 current value and magnitude of voltage variation relation figure, it can be seen that it is false If the current charging current of mobile terminal 400 is in cut-off current Near Threshold, if being further added by charging current value, charging electricity Pressure may because mobile terminal 400 power taking electric current exceed external dc voltage provide cut-off current threshold value and will be 0V, Therefore, at this moment the charging voltage value amplitude of variation of mobile terminal 400 is larger, then can determine the charging voltage value amplitude of variation For first voltage threshold value.Further, the first voltage threshold value can also the charging voltage value amplitude of variation certain limit Interior, the embodiment of the present invention is not limited.
Specifically, assuming the turning point left side (i.e. current charging current of the current charging current in Fig. 1 of mobile terminal 400 Value be less than cut-off current threshold value), if by the current charging current of the mobile terminal 400 increase to the first charging current value it Afterwards, the first charging current value and the not up to working current value of the turning point, now the first charging voltage value and current charging are electric Amplitude of variation between pressure value is relatively delayed, then the mobile terminal 400 can be by first charging voltage value and current charging voltage Amplitude of variation between value is defined as second voltage threshold value.Further, the second voltage threshold value can also be in the charging voltage In the certain limit of value changes amplitude, the embodiment of the present invention is not limited.
In the embodiment of the present invention, with reference to the above-mentioned description to first voltage threshold value and second voltage threshold value, it is recognised that The first voltage threshold value is more than the second voltage threshold value.
In the specific implementation, when the second judging unit 406 judges first absolute value less than first voltage threshold value and is more than During second voltage threshold value, control unit 407 can primarily determine that filling corresponding to the present charging current value of the mobile terminal 400 Electric operating point is in turning point and dotted line as shown in Figure 1 and realizes intersection point (i.e. preferable best operating point and minimum operating point) Between.Therefore, control unit 407 can regard the corresponding charging work of the present charging current value as maximum charge power.When When two judging units 406 judge first absolute value not between second voltage threshold value and first voltage threshold value, the movement Terminal 400 can do the operation of other adjustment charging current values.
Control unit 407, for judging that first absolute value is less than the first voltage in above-mentioned second judging unit 406 Threshold value and more than the second voltage threshold value when, determine the corresponding charge power of the present charging current value be maximum charge power, And control the mobile terminal to be charged with present charging current value.
In the embodiment of the present invention, when the second judging unit 406 judge first absolute value be less than first voltage threshold value and During more than second voltage threshold value, control unit 407 can regard the corresponding charge power of the present charging current value as maximum charge Power, and control the mobile terminal 400 (to be charged) to external dc power power taking with the present charging current value.
Optionally, control unit 407 determines that the corresponding charge power of the present charging current value has for maximum charge power Body mode can be：
Reduce the present charging current value, obtain the 4th charging current value of the mobile terminal 400；
Obtain the 4th charging voltage value of the corresponding mobile terminal 400 of the 4th charging current value；
Calculate the 4th absolute value of the difference of the current charging voltage value and the 4th charging voltage value；
Judge whether the 4th absolute value is less than the first voltage threshold value, and more than the second voltage threshold value；
If the 4th absolute value is less than the second voltage threshold value, it is determined that the corresponding charge power of the present charging current value For maximum charge power.
In the specific implementation, when the second judging unit 406 judges first absolute value less than first voltage threshold value and is more than During second voltage threshold value, control unit 407 can primarily determine that filling corresponding to the present charging current value of the mobile terminal 400 Electrical power is maximum charge power.But in order to further verify the accuracy of the present charging current value, control unit 407 can On the basis of present charging current value, to reduce the present charging current value again, the 4th charging current value, Ran Houzai are obtained (the i.e. the 4th is exhausted for the secondary amplitude of variation for judging corresponding 4th charging voltage value of the 4th charging current value and the current charging voltage value To value) whether also between the first voltage threshold value and second voltage threshold value.If the 4th absolute value is less than second voltage threshold Value, shows that the operating point of the mobile terminal 400 under current charging current is in turning point (the preferable best effort shown in Fig. 1 Near point), therefore, control unit 407 just may further determine that the charge power corresponding to current charging current fills for maximum Electrical power；And if the 4th absolute value is equally greater than second voltage threshold value and less than first voltage threshold value, then indicate that The operating point of the mobile terminal 400 under current charging current is in the right side of preferable best operating point, therefore, control unit 407 may proceed to reduce the charging current value of the mobile terminal 400.
As a kind of feasible embodiment, the mobile terminal 400 can also include：
Reduction unit 408, for judging that first absolute value is more than the first voltage in above-mentioned second judging unit 406 During threshold value, reduce the present charging current value, obtain the second charging current value of the mobile terminal.
In the embodiment of the present invention, when the second judging unit 406 judges that first absolute value is more than the first voltage threshold value When, show charging operating point of the mobile terminal 400 under present charging current value in preferable best operating point and minimum work Between point, therefore, reduction unit 408 can reduce the present charging current value, obtain the second charging current of the mobile terminal 400 Value.
In the embodiment of the present invention, second acquisition unit 404, be additionally operable to obtain above-mentioned reduction unit 408 obtains this second Second charging voltage value of the corresponding mobile terminal 400 of charging current value.
Specifically, when reduction unit 408 reduces the present charging current value to the second charging current value, second obtains single Member 404 can obtain the second charging voltage value of the corresponding mobile terminal 400 of second charging current value accordingly.
Specifically, it can be by mobile terminal 400 that second acquisition unit 404, which obtains current value and the mode of magnitude of voltage, Charging management chip carry out detect what is obtained.
In the embodiment of the present invention, computing unit 405, be additionally operable to calculate first acquisition unit 401 get this currently fill Piezoelectric voltage value, and the second absolute value of the difference of second charging voltage value that second acquisition unit 404 is got.
Specifically, second acquisition unit 404 is after the second charging voltage value is got, computing unit 405 can calculate this Second absolute value of the difference between the corresponding current charging voltage value of present charging current value and second charging voltage value.Its In, can second absolute value be same to judge the present charging current value being decreased to after the second charging current value, make this The charge power of mobile terminal 400 reaches maximum.
In the embodiment of the present invention, the second judging unit 406 is additionally operable to judge whether second absolute value is less than first electricity Threshold value is pressed, and more than the second voltage threshold value.
Specifically, when computing unit 405 calculates the of the current charging voltage value and the difference of second charging voltage value After two absolute values, the second judging unit 406 can enter second absolute value with first voltage threshold value and second voltage threshold value Row compares.
It is somebody's turn to do specifically, judging that second absolute value is less than the first voltage threshold value and is more than when the second judging unit 406 During second voltage threshold value, control unit 407 is assured that the corresponding charge power of the second charging current value is maximum charge Power, and control the mobile terminal 400 to be charged with second charging current value；When the second judging unit 406 judges this When second absolute value is less than the second voltage threshold value, adding unit 403 will increase the present charging current value again, this time increase The amplitude of the present charging current value is less than adding unit 403 and present charging current value is increased into the first charging current value Amplitude.
In the embodiment of the present invention, control unit 407 is additionally operable to judge that this is second exhausted in above-mentioned second judging unit 406 When being less than the first voltage threshold value to value and being more than the second voltage threshold value, the corresponding charging work(of second charging current value is determined Rate is maximum charge power, and controls the mobile terminal 400 to be charged with second charging current value.
It is somebody's turn to do specifically, judging that second absolute value is less than the first voltage threshold value and is more than when the second judging unit 406 During second voltage threshold value, control unit 407 is understood the corresponding charge power of the second charging current value as maximum charge power, And control the mobile terminal 400 (to be charged) to external dc power power taking with second charging current value.
Optionally, control unit 407 determines that the corresponding charge power of the second charging current value is maximum charge power Concrete mode can be：Control unit 407 reduces second charging current value, then on the basis of the second charging current value The corresponding charging voltage value of charging current value after reduction is compared with the second charging voltage value, calculated between them The absolute value of difference, and judge the absolute value whether also between the second voltage threshold value and first voltage threshold value.If should Absolute value is less than second voltage threshold value, then control unit 407 is assured that the charging corresponding to second charging current value Power is maximum charge power, the then power taking from external dc power with the second charging current value again.
Further, if the absolute value is still between second voltage threshold value and first voltage threshold value, control unit 407 The charging current value of the mobile terminal 400 can be reduced again, the corresponding charging voltage of charging current value after current reduce Untill difference between value charging voltage value corresponding with the charging current value after last reduce is less than Second Threshold, Ran Houzai It is determined that the corresponding charge power of charging current value after last reduction is maximum charge power.
As another feasible embodiment, adding unit 403 is additionally operable to judge this in the second judging unit 406 When first absolute value is less than second voltage threshold value, increases by first charging current value, obtain the 3rd charging of the mobile terminal 400 Current value.
Specifically, when the second judging unit 406 judges that first absolute value is less than the second voltage threshold value, showing this The charging operating point of mobile terminal 400 in this prior under charging current value is in the left side of preferable best operating point, and therefore, increase is single Member 403 can on the basis of first charging current value further increase charging current so that the charging current value after increase is 3rd charging current value.
In the embodiment of the present invention, second acquisition unit 404 is additionally operable to obtain the corresponding movement of the 3rd charging current value 3rd charging voltage value of terminal 400.
In the embodiment of the present invention, computing unit 405 is additionally operable to calculate first charging voltage value and the 3rd charging voltage 3rd absolute value of the difference of value.
Specifically, after second acquisition unit 404 gets corresponding 3rd charging voltage value of the 3rd charging current value, Computing unit 405 can calculate the 3rd absolute value of the difference between the first charging voltage value and the 3rd charging voltage value.Wherein, Two acquiring units 404 obtain the mode of corresponding 3rd charging voltage value of the 3rd charging current value, and the first charging electricity is obtained with it The mode of corresponding first charging voltage value of flow valuve is identical, and the embodiment of the present invention is repeated no more.
In the embodiment of the present invention, the second judging unit 406 is additionally operable to judge whether the 3rd absolute value is less than first electricity Threshold value is pressed, and more than the second voltage threshold value.
Specifically, when computing unit 405 calculates the 3rd of the difference of first charging voltage value and the 3rd charging voltage value After absolute value, the second judging unit 406 can be carried out the 3rd absolute value and first voltage threshold value and second voltage threshold value Compare.
It is somebody's turn to do specifically, judging that the 3rd absolute value is less than the first voltage threshold value and is more than when the second judging unit 406 During second voltage threshold value, control unit 407 is assured that the corresponding charge power of the first charging current value is maximum charge Power, and control the mobile terminal to be charged with first charging current value；When the second judging unit 406 judges the 3rd When absolute value is less than the second voltage threshold value, adding unit 403 will continue to increase charging current value, until after current increase The difference of the corresponding charging voltage value of charging current value after the corresponding charging voltage value of charging current value and last increase it is exhausted During to being worth between first voltage threshold value and second voltage threshold value, control unit 407 just can determine whether the charging after last increase The corresponding charge power of current value is maximum charge power；Judge that the 3rd absolute value is more than when the second judging unit 406 to be somebody's turn to do During first voltage threshold value, reduction unit 408 can do reduction processing, the Amplitude Ratio increase charging of reduction to first charging current value The amplitude of current value is small.
In the embodiment of the present invention, control unit 407 is additionally operable to judge that the 3rd is exhausted in above-mentioned second judging unit 406 When being less than the first voltage threshold value to value and being more than the second voltage threshold value, the corresponding charging work(of first charging current value is determined Rate is maximum charge power, and controls the mobile terminal 400 to be charged with first charging current value.
It is somebody's turn to do specifically, judging that the 3rd absolute value is less than the first voltage threshold value and is more than when the second judging unit 406 During second voltage threshold value, control unit 407 is understood the corresponding charge power of the first charging current value as maximum charge power, And control the mobile terminal (to be charged) to external dc power power taking with first charging current value.
In the embodiment of the present invention, mobile terminal is in its charging process, if current charging current is less than its expectation charging electricity During stream, the mobile terminal can be constantly adjusted to current charging current, can first increase charging current, can also first be reduced and be filled Electric current, until adjusting out voltage change amplitude of a certain charging current after reducing to it less than second voltage threshold Value, and when the voltage change amplitude after increasing it is between first voltage threshold value and second voltage threshold value, just really The corresponding charge power of the fixed charging current is maximum charge power.Mobile terminal leads to when charging current value is less than desired value Cross and charging current value is adjusted repeatedly, the charge power of the mobile terminal made is maximum, so can not only improve mobile whole The charge efficiency at end, can also reduce the waste of energy in charging process, and reduce external charger and mobile terminal was charged Heat dissipation capacity in journey.
One of ordinary skill in the art will appreciate that realize all or part of flow in above-described embodiment method, being can be with The hardware of correlation is instructed to complete by computer program, described program can be stored in a computer read/write memory medium In, the program is upon execution, it may include such as the flow of the embodiment of above-mentioned each method.Wherein, described storage medium can be magnetic Dish, CD, read-only memory (Read-Only Memory, ROM) or random access memory (Random Access Memory, RAM) etc..
Above disclosure is only preferred embodiment of present invention, can not limit the right model of the present invention with this certainly Enclose, therefore the equivalent variations made according to the claims in the present invention, still belong to the scope that the present invention is covered.

Claims (8)

1. a kind of charging management method, applied to mobile terminal, it is characterised in that including：
Obtain the present charging current value of the mobile terminal；
Judge whether the present charging current value is less than preset charged current value；
If the present charging current value is less than the preset charged current value, increases the present charging current value, obtain First charging current value of the mobile terminal；
Obtain the first charging voltage value of the corresponding mobile terminal of first charging current value；
Calculate the current charging voltage value and the described first charging electricity of the corresponding mobile terminal of the present charging current value First absolute value of the difference of pressure value；
Judge whether first absolute value is less than first voltage threshold value, and more than second voltage threshold value, wherein, first electricity Threshold value is pressed to be more than the second voltage threshold value；
If first absolute value is less than the first voltage threshold value, and more than the second voltage threshold value, it is determined that it is described to work as The corresponding charge power of preceding charging current value is maximum charge power, and controls the mobile terminal with the current charging current Value is charged.
2. according to the method described in claim 1, it is characterised in that methods described also includes：
If first absolute value is more than the first voltage threshold value, reduces the present charging current value, obtain the shifting Second charging current value of dynamic terminal；
Obtain the second charging voltage value of the corresponding mobile terminal of second charging current value；
Calculate the current charging voltage value and the described second charging electricity of the corresponding mobile terminal of the present charging current value Second absolute value of the difference of pressure value；
Judge whether second absolute value is less than the first voltage threshold value, and more than the second voltage threshold value；
If second absolute value is less than the first voltage threshold value, and more than the second voltage threshold value, it is determined that described the The corresponding charge power of two charging current values is maximum charge power, and controls the mobile terminal with second charging current Value is charged.
3. according to the method described in claim 1, it is characterised in that methods described also includes：
If first absolute value is less than the second voltage threshold value, increases by first charging current value, obtain the shifting 3rd charging current value of dynamic terminal；
Obtain the 3rd charging voltage value of the corresponding mobile terminal of the 3rd charging current value；
Calculate the 3rd absolute value of the difference of first charging voltage value and the 3rd charging voltage value；
Judge whether the 3rd absolute value is less than the first voltage threshold value, and more than the second voltage threshold value；
If the 3rd absolute value is less than the first voltage threshold value, and more than the second voltage threshold value, it is determined that described the The corresponding charge power of one charging current value is maximum charge power, and controls the mobile terminal with first charging current Value is charged.
4. according to the method described in claim 1, it is characterised in that described to determine the corresponding charging of the present charging current value Power is maximum charge power, including：
Reduce the present charging current value, obtain the 4th charging current value of the mobile terminal；
Obtain the 4th charging voltage value of the corresponding mobile terminal of the 4th charging current value；
Calculate the 4th absolute value of the current charging voltage value and the difference of the 4th charging voltage value；
Judge whether the 4th absolute value is less than the first voltage threshold value, and more than the second voltage threshold value；
If the 4th absolute value is less than the second voltage threshold value, it is determined that the corresponding charging work(of the present charging current value Rate is maximum charge power.
5. a kind of mobile terminal, it is characterised in that including：
First acquisition unit, the present charging current value for obtaining the mobile terminal；
First judging unit, for judging whether the present charging current value is less than preset charged current value；
Adding unit, during for the result judged in first judging unit to be, increases the present charging current value, Obtain the first charging current value of the mobile terminal；
Second acquisition unit, the first charging voltage for obtaining the corresponding mobile terminal of first charging current value Value；
Computing unit, for calculating the corresponding movement of the present charging current value that the first acquisition unit is got The current charging voltage value of terminal, and the second acquisition unit get it is the first of the difference of first charging voltage value exhausted To value；
Second judging unit, for judging whether first absolute value is less than first voltage threshold value, and more than second voltage threshold Value, wherein, the first voltage threshold value is more than the second voltage threshold value；
Control unit, for judging that first absolute value is less than the first voltage threshold value in second judging unit, And during more than the second voltage threshold value, it is maximum charge power to determine the corresponding charge power of the present charging current value, And control the mobile terminal to be charged with the present charging current value.
6. mobile terminal according to claim 5, it is characterised in that the mobile terminal also includes：
Reduction unit, for judging that first absolute value is more than the first voltage threshold value in second judging unit When, reduce the present charging current value, obtain the second charging current value of the mobile terminal；
Wherein, the second acquisition unit, is additionally operable to obtain the of the corresponding mobile terminal of second charging current value Two charging voltage values；
The computing unit, is additionally operable to calculate the corresponding institute of the present charging current value that the first acquisition unit is got State the current charging voltage value of mobile terminal, and the difference of second charging voltage value that gets of the second acquisition unit Second absolute value；
Second judging unit, is additionally operable to judge that whether second absolute value is less than the first voltage threshold value, and be more than The second voltage threshold value；
Described control unit, is additionally operable to judge that second absolute value is less than the first voltage in second judging unit Threshold value, and during more than the second voltage threshold value, it is maximum charge to determine the corresponding charge power of second charging current value Power, and control the mobile terminal to be charged with second charging current value.
7. mobile terminal according to claim 5, it is characterised in that
The adding unit, is additionally operable to judge that first absolute value is less than the second voltage in second judging unit During threshold value, increase by first charging current value, obtain the 3rd charging current value of the mobile terminal；
The second acquisition unit, is additionally operable to obtain the 3rd charging of the corresponding mobile terminal of the 3rd charging current value Magnitude of voltage；
The computing unit, be additionally operable to calculate the difference of first charging voltage value and the 3rd charging voltage value the 3rd is exhausted To value；
Second judging unit, is additionally operable to judge that whether the 3rd absolute value is less than the first voltage threshold value, and be more than The second voltage threshold value；
Described control unit, is additionally operable to judge that the 3rd absolute value is less than the first voltage in second judging unit Threshold value, and during more than the second voltage threshold value, it is maximum charge to determine the corresponding charge power of first charging current value Power, and control the mobile terminal to be charged with first charging current value.
8. mobile terminal according to claim 5, it is characterised in that described control unit determines the current charging current Being worth the concrete mode that corresponding charge power is maximum charge power is：
Reduce the present charging current value, obtain the 4th charging current value of the mobile terminal；
Obtain the 4th charging voltage value of the corresponding mobile terminal of the 4th charging current value；
Calculate the 4th absolute value of the current charging voltage value and the difference of the 4th charging voltage value；
Judge whether the 4th absolute value is less than the first voltage threshold value, and more than the second voltage threshold value；
If the 4th absolute value is less than the second voltage threshold value, it is determined that the corresponding charging work(of the present charging current value Rate is maximum charge power.
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Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105406528A (en) * 2015-11-25 2016-03-16 深圳市金立通信设备有限公司 Charging method and terminal
CN106910952B (en) * 2017-03-23 2019-05-07 艾能可科技(深圳)有限公司 A kind of method and mobile terminal of mobile terminal safety charging
CN109428135B (en) * 2017-08-21 2020-12-11 许继集团有限公司 Electric vehicle charging control method and system
WO2020113383A1 (en) * 2018-12-03 2020-06-11 Oppo广东移动通信有限公司 Heat dissipation device, charging apparatus, electronic apparatus, charging system and method therefor
CN112421700A (en) * 2019-08-22 2021-02-26 中兴通讯股份有限公司 Charging method, terminal and computer readable storage medium
CN111175654B (en) * 2020-01-13 2022-05-13 广州小鹏汽车科技有限公司 Power battery charging remaining time calculation method and device, vehicle and storage medium
CN113794217B (en) * 2021-09-16 2022-08-12 远景能源有限公司 Energy storage system and management method

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102948036A (en) * 2010-06-03 2013-02-27 日产自动车株式会社 Battery charging apparatus and battery charging method
CN102983373A (en) * 2012-11-12 2013-03-20 深圳市沛城电子科技有限公司 Charging method and device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006311793A (en) * 2005-03-29 2006-11-09 Sharp Corp Mobile communication terminal and method for controlling charge
JP4222362B2 (en) * 2005-11-17 2009-02-12 パナソニック電工株式会社 Charging method, charging circuit, and charging device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102948036A (en) * 2010-06-03 2013-02-27 日产自动车株式会社 Battery charging apparatus and battery charging method
CN102983373A (en) * 2012-11-12 2013-03-20 深圳市沛城电子科技有限公司 Charging method and device

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