CN106058971B - A kind of charge protection method and mobile terminal - Google Patents
A kind of charge protection method and mobile terminal Download PDFInfo
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- CN106058971B CN106058971B CN201610407945.4A CN201610407945A CN106058971B CN 106058971 B CN106058971 B CN 106058971B CN 201610407945 A CN201610407945 A CN 201610407945A CN 106058971 B CN106058971 B CN 106058971B
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- mobile terminal
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/0031—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using battery or load disconnect circuits
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/0036—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using connection detecting circuits
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00304—Overcurrent protection
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
Abstract
The present invention provides a kind of charge protection method and mobile terminals, are related to field of computer technology.The method specifically includes：Obtain the current value of mobile terminal outer surface；Judge whether the current value is more than first threshold；If the current value is more than first threshold, charging is interrupted.Solve the problems, such as that the case where existing charge protection method outside mobile Terminals for charging can not detect and take measures to avoid endangering in time; when so as to be charged outside mobile Terminals; electrification situation is judged with the presence or absence of danger in time and determines whether to continue to charge according to judging result, and then improves safety when mobile terminal charging.
Description
Technical field
The present invention relates to field of computer technology, more particularly to a kind of charge protection method and mobile terminal.
Background technology
With the continuous development of computer technology, various mobile terminals, such as mobile phone etc. and people’s lives are closer and closer
It cuts.Currently, various mobile terminals are required for charging to its built-in or replaceable battery using charging units such as chargers.
The fuselage for the battery and mobile terminal that mobile terminal is mostly charged using the straight mode of filling, and had at present is integrated, does not support to insert
Unloading is pulled out, each of which increases the security risks to charge to mobile terminal.
The existing mode that mobile terminal is protected in charging, mainly by limiting charge condition, such as voltage,
Electric current, temperature, duration etc. can not charge to mobile terminal if being unsatisfactory for charge condition.But it is charged according to mobile phone
The case where analysis of security risk, there is also there are electric currents outside charger inferior electric leakage either charging system, such as filling
Forceful electric power etc. on mobile phone terminal external fuselage band, in turn results in danger in electric process.And it can not be detected in time with existing protected mode
Go out above-mentioned dangerous situation and avoids endangering.Therefore existing by limiting being applicable in for the charge protection mode of charge condition realization
Property is not strong.
Invention content
In order to solve not detecting that charging is abnormal simultaneously in time when existing charge protection method charges for mobile terminal
It takes measures to avoid the problem that endangering, a kind of charge protection method of offer of the embodiment of the present invention and mobile terminal.
On the one hand, the embodiment of the invention discloses a kind of charge protection methods, including：
Obtain the current value of mobile terminal outer surface；
Judge whether the current value is more than first threshold；
If the current value is more than first threshold, charging is interrupted.
On the other hand, the embodiment of the invention also discloses a kind of mobile terminals, including：
Current value acquisition module, the current value for obtaining mobile terminal outer surface；
First judgment module, for judging whether the current value is more than first threshold；If the current value is more than the
One threshold value then enters charging interrupt module；
Charge interrupt module, for interrupting charging.
In embodiments of the present invention, by obtaining the current value of mobile terminal outer surface, then judge that the current value is
No is more than that first threshold interrupts charging if the current value is more than first threshold.So as to outside mobile Terminals
When portion charges, judge that electrification situation whether there is dangerous and determine whether to continue to charge according to judging result in time, and then improve
Safety when mobile terminal charging.
Above description is only the general introduction of technical solution of the present invention, in order to better understand the technical means of the present invention,
And can be implemented in accordance with the contents of the specification, and in order to allow above and other objects of the present invention, feature and advantage can
It is clearer and more comprehensible, below the special specific implementation mode for lifting the present invention.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below by institute in the description to the embodiment of the present invention
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the present invention
Example, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of step flow chart of charge protection method in the embodiment of the present invention one；
Fig. 2 is a kind of step flow chart of charge protection method in the embodiment of the present invention two；
Fig. 2A is a kind of principle schematic of the Hall current sensor of closed loop in the embodiment of the present invention two；
Fig. 2 B are a kind of principle schematics of the Hall current sensor of open loop in the embodiment of the present invention two；
Fig. 2 C are that a kind of principal diagram of Hall voltage sensor in the embodiment of the present invention two is intended to；
Fig. 2 D are a kind of normal cell charging curve schematic diagrames of mobile terminal lithium battery in the embodiment of the present invention two；
Fig. 3 is a kind of structural schematic diagram of mobile terminal in the embodiment of the present invention three；
Fig. 4 is a kind of structural schematic diagram of mobile terminal in the embodiment of the present invention four；
Fig. 5 is a kind of block diagram of mobile terminal in the embodiment of the present invention five；
Fig. 6 is a kind of structural schematic diagram of mobile terminal in the embodiment of the present invention six.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, the every other implementation that those of ordinary skill in the art are obtained without creative efforts
Example, shall fall within the protection scope of the present invention.
A kind of charge protection method provided by the invention and shifting is discussed in detail below by several specific embodiments are enumerated
Dynamic terminal.
Embodiment one
A kind of charge protection method provided in an embodiment of the present invention is discussed in detail.
Referring to Fig.1, a kind of step flow chart of charge protection method in the embodiment of the present invention one is shown.
Step 101, the current value of mobile terminal outer surface is obtained.
Mobile terminal can include but is not limited to smart mobile phone, tablet computer (Tablet Personal Computer, letter
Claim Tablet PC, Flat Pc, Tablet, Slates, PAD etc.), personal digital assistant (Personal Digital
Assistant, PDA), the device with shooting function such as digital camera.In practical applications, mobile terminal is charging normal shape
The case where itself will not be charged under state, but mobile terminal unavoidably will appear itself electrification during charging,
Such as situations such as charging circuit of mobile terminal leaks electricity, the line electrical leakage of charger, it is charged so as to cause mobile terminal itself.
Electric leakage in a certain degree will not damage the user of mobile terminal or mobile terminal, but be more than a degree of electric leakage
The user of mobile terminal or mobile terminal can then be damaged.
Charge protection method described in the embodiment of the present invention, can by judging the current value of mobile terminal outer surface, into
And realize charge protection.Wherein, the current value of mobile terminal outer surface can indicate the electrification situation on the outside of mobile Terminals,
The unit of current value is ampere (A).
In embodiments of the present invention, for mobile terminal, the data type of processing is digital signal, is actually being answered
In, the analog current signal of mobile terminal outer surface can be first obtained, then utilizes the equipment such as analog-digital converter by acquisition
Analog current signal is converted to digital current signal, the as current value of the mobile terminal outer surface of the embodiment of the present invention.Certainly,
Analog current signal can also be converted into digital current signal using other modes, this embodiment of the present invention is not limited
It is fixed.
In embodiments of the present invention, the voltage value that mobile terminal outer surface can also be obtained, not to this embodiment of the present invention
It is limited.The unit of voltage value is volt (V).
Specifically, the current value of digital multimeter detection mobile terminal outer surface can be utilized, Hall electricity can also be utilized
Flow sensor detects the current value of mobile terminal outer surface, or other modes, the electric current of detection mobile terminal outer surface
Value, is not limited this embodiment of the present invention.But Hall current sensor can be placed in inside mobile terminal, it can also be only
Mobile terminal is stood on, and digital multimeter is then independently of mobile terminal.
Step 102, judge whether the current value is more than first threshold；If the current value is more than first threshold,
Enter step 103；And if the current value is less than first threshold, continue to charge.
Wherein, first threshold can be set according to demand, or be set according to test of many times, to this embodiment of the present invention
It is not limited.
In embodiments of the present invention, if current value is more than first threshold, illustrate the mobile terminal to charge at this time
It is dangerous, it needs to interrupt and charge；And if current value is less than first threshold, illustrate the mobile terminal to charge at this time
There is no danger, can continue to execute charging.
In embodiments of the present invention, the mobile terminal belonging to the current value of acquisition is the mobile terminal to charge.
If current value is less than first threshold, charging is continued to execute.
Step 103, if the current value is more than first threshold, charging is interrupted.
In embodiments of the present invention, if current value is more than first threshold, illustrate on the outside of mobile Terminals at this time
Current value is more than safety margin, and mobile terminal is dangerous, then mobile terminal can interrupt charging to avoid danger.
In embodiments of the present invention, can include to send the CPU (Central of various instructions inside mobile terminal
Processing Unit, central processing unit) signal processor, and to control the interruption charging of mobile terminal charging operations
Processor.Cpu signal processor can send the charging of different instruction control mobile terminals according to the judging result of step 102
Operation.If current value is more than first threshold, cpu signal processor can send abnormal charging instruction to interrupting juice point
Device is managed, and working condition can be entered by interrupting after recharge processor receives abnormal charging instruction, to make mobile terminal interrupt
Charging.
In embodiments of the present invention, the current value of mobile terminal outer surface can be obtained, then judges that the current value is
No is more than that first threshold interrupts charging if the current value is more than first threshold.So as to outside mobile Terminals
When portion charges, judge that electrification situation whether there is dangerous and determine whether to continue to charge according to judging result in time, and then improve
Safety when mobile terminal charging.
Embodiment two
A kind of charge protection method provided in an embodiment of the present invention is discussed in detail.
With reference to Fig. 2, a kind of step flow chart of charge protection method in the embodiment of the present invention is shown.
Step 201, the current value of the mobile terminal outer surface detected using Hall current sensor is obtained.
In practical applications, Hall current sensor includes the Hall current sensor of open loop and the Hall current of closed loop
Sensor.Wherein, the Hall current sensor of open loop is sensed using direct amplifier system Hall effect principle, the Hall current of closed loop
Device is using magnetic balance principle.Wherein, Hall effect defines the relationship between magnetic field and induced voltage, when electric current passes through one
When a conductor being located in magnetic field, magnetic field can generate the electronics in conductor in one work on electron motion direction
Firmly, to generate voltage difference at the both ends of conductor, here it is Hall effect.Hall current sensing in embodiments of the present invention
Device can be the Hall current sensor of closed loop.
Such as the principle schematic for the Hall current sensor that Fig. 2A is closed loop.The Hall current sensor of closed loop it is worked
Journey：When primary current (Primary Current) Ip flows through a root long conducting wire, the magnetic field generated around conducting wire is assembled by magnet ring
And sense on Hall element (Hall Element), generated signal output is for driving power pipe and turns it on, from
And obtain a compensation electric current Is.This electric current generates magnetic field, the magnetic which generates with tested electric current by multicircuit winding again
Field is exactly the opposite, thus compensates for original magnetic field, and the output of hall device is made to be gradually reduced.Produced by Ip and multicircuit winding
Magnetic field it is equal when, Is is not further added by, and hall device at this moment plays the role of indicating Zero flux, can be surveyed at this time by Is
Try Ip.Any variation of tested electric current can all destroy this balance.Once magnetic field disequilibrium, hall device just has signal defeated
Go out.After power amplification, just there is corresponding electric current to flow through secondary windings to be compensated to unbalance magnetic field immediately.From macroscopically
It sees, secondary compensation electric current number of ampere turns is all equal with the tested number of ampere turns of electric current of primary at any time.Therefore, when Ip changes
When, the balance of hall device is destroyed, and hall device has signal M outputs, and then can repeat the above process makes Hall element
Again reach balance, hall device does not have signal M outputs when balance.+ V thereinCAnd-VCIt is the work of Hall current sensor
Make voltage.
It in embodiments of the present invention, can be defeated using input current of the mobile terminal in charging process as primary current Ip
Enter closed-loop Hall current sensor shown in Fig. 2A, if there are current values for mobile terminal outer surface, illustrates input current
It changes, M outputs shown in closed-loop Hall current sensor at this time can be understood as the current value of mobile terminal outer surface.
As can be seen that M outputs are current values, unit is A (ampere).In addition, if the value of M outputs is smaller, directly made
For current value, may be not easy to be identified.Therefore, in embodiments of the present invention, M can also be exported and measures resistance RMProduct
Current value as mobile terminal.In embodiments of the present invention, the practical value mode of current value can be determined according to demand, it is right
This embodiment of the present invention is not limited.
Step 202, judge whether the current value is more than first threshold；If the current value is more than first threshold,
Enter step 211；If the current value is less than first threshold, continue to charge, while 203 can be entered step.
Step 203, it if the current value is less than first threshold, controls the mobile terminal prompt and charges normal.
In embodiments of the present invention, know the real-time charging situation of mobile terminal in order to facilitate user, movement can be controlled
Terminal is correspondingly prompted.If the current value of mobile terminal outer surface is less than first threshold, can control mobile whole
End prompt charges normal.For example, can show the icon charged normal in the display interface of mobile terminal, or mobile whole
The display interface at end shows that the prompt message charged normal or mobile terminal send out specific duration and class in the form of floating window etc.
Other auditory tone cues charge normal etc., are not limited to this embodiment of the present invention.
Step 204, it obtains the input current of the mobile terminal and input voltage and calculates input power.
In practical applications, the charging circuit of the inside of mobile terminal is there may be damaging, to cause to charge
The resistive failure of circuit, and then mobile terminal may be caused during charging because power is excessively high leads to spontaneous combustion.And it moves
The user of dynamic terminal is difficult to realize to learn whether charging circuit damages by intuitively checking.
Therefore, in embodiments of the present invention, the input current of mobile terminal can be obtained and input voltage and calculate input
Power judges mobile terminal with the presence or absence of danger based on input power.
Specifically, the input electricity of mobile terminal can be detected by above-mentioned digital multimeter either other available devices
Stream and input voltage.Certainly, in practical applications, the charging voltage of mobile terminal is usually fixed value, such as 220V (volt), that
The input voltage of mobile terminal is charging voltage, or fixed value, the input voltage of mobile terminal is known at this time
Parameter can directly be set.This embodiment of the present invention is not limited.
Assuming that the input current of mobile terminal is I, input voltage U, then the calculation formula of input power is：W=U*
I, wherein W indicates input power.
In embodiments of the present invention, the Hall current sensor can also be utilized to detect the input electricity of the mobile terminal
Stream and input voltage and the input power for calculating the mobile terminal.
In embodiments of the present invention, it may call upon the input current of Hall current sensor detection mobile terminal above-mentioned
And input voltage, or using the input current of Hall current sensor above-mentioned detection mobile terminal, utilize Hall voltage
Sensor detects the input voltage of mobile terminal.Either if the aforementioned input voltage that sets is known parameters, without being detected.
This embodiment of the present invention is not limited.
Secondary side shown in Fig. 2A compensates electric current (Secondary Current) ISWith primary current IPRelationship be：IP=
IS/KN, wherein KNFor the number of turns of secondary side bucking coil.If detecting mobile terminal using closed-loop Hall current sensor above-mentioned
Input current and input voltage, then can be using input current as primary current IPClosed-loop Hall current sensor is inputted,
In the case that closed-loop Hall current sensor determines, ISAnd KNAll it is known parameter, then I can be calculatedPValue conduct
The input current of mobile terminal, and in practical applications, secondary side compensation electric current ISWith primary current IPCorrespondence be known
, such as 500mA (milliampere)/5000A, it can also be in I using the correspondenceSIn the case of known, I is calculatedPValue,
Such as：IS/IP=500mA (milliampere)/5000A, IP=IS*5000A/500mA.I can further be utilizedPValue with it is mobile eventually
It holds the resistance of itself to be multiplied, obtains the input voltage of mobile terminal.
If detecting the input current and input voltage of mobile terminal using the Hall current sensor of open loop.Such as Fig. 2 B institutes
Show the principle schematic of the Hall current sensor of open loop.The course of work of the Hall current sensor of open loop：Work as primary current
IPWhen flowing through a root long conducting wire, a magnetic field will be generated around conducting wire, the size in this magnetic field and flows through the electric current of conducting wire at just
Than the magnetic field of generation is gathered in magnet ring, and output, output voltage V are measured and amplified by Hall elementSIt is accurate anti-
Reflect primary current IP.In embodiments of the present invention, open loop can be inputted using the input current of mobile terminal as primary current
In Hall current sensor, and in practical applications, primary current I in the Hall current sensor of each open loopPWith output
Voltage VSBetween correspondence be known, such as 5000A/5V etc..So in output voltage VSIn the case of known, you can
With the primary current I of calculatingPValue.For example, IP/VS=5000A/5V, then IP=VS*5000A/5V。
The Hall current sensor of open loop can be detected with the Hall current sensor of closed loop and be exchanged in practical applications
The Hall current sensor of electricity, general open loop is suitable for high current warning, and the Hall current sensor of closed loop is suitable for low current
Monitoring.So in contrast, in embodiments of the present invention, using the Hall current sensor of closed loop effect and accuracy all
More preferably.
The operation principle of Hall voltage sensor is similar to the Hall current sensor of closed loop, and the work in a manner of magnetic balance
Make.Principal diagram if Fig. 2 C are Hall voltage sensor is intended to.Wherein, original edge voltage (Primary voltage) VPIt is logical
It crosses current-limiting resistance Ri and generates electric current, electric current flows through primary coil (Primary coil) and generates magnetic field, is gathered in magnet ring, passes through
The secondary side compensation electric current I of hall element output signal controlSThe magnetic field for flowing through secondary coil generation compensates, wherein secondary side is mended
Repay electric current ISIt can accurately reflect original edge voltage VP.And in practical applications, the original edge voltage V in each voltage sensorP
With secondary side compensation electric current ISBetween correspondence be known, such as 200V/5A.It so in embodiments of the present invention, can be with
Hall voltage sensor is inputted using the input voltage of mobile terminal as original edge voltage, and then can detect the tool of input voltage
Body value.For example, VP/IS=200V/5A, then VP=IS*200V/5A.+ V thereinCAnd-VCIt is Hall voltage sensor
Operating voltage.
Step 205, judge whether the input power is more than the limit power of the mobile terminal；If the input work
Rate is more than the limit power of the mobile terminal, then enters step 211；If the input power is not more than the mobile terminal
Limit power, then can continue to charge and enter step 206.
Limit power is maximum power of the mobile terminal under normal charging condition.In embodiments of the present invention, limit work(
Rate the either step before this step or before this step can be set before according to demand, be implemented to this present invention
Example is not limited.
The input power of the mobile terminal of acquisition is the power of the currently practical input of mobile terminal.It needs to judge input work
The limit power whether rate is more than mobile terminal illustrates if input power is not more than the limit power of the mobile terminal
Mobile terminal input power can continue to charge within safe range at this time；And if input power is more than the movement eventually
The limit power at end then illustrates that mobile terminal input power exceeds safe range at this time, in order to avoid giving mobile terminal or movement
The user of terminal damages, and needs to interrupt and charge.
It in embodiments of the present invention, can also be by input work if input power is not more than the limit power of mobile terminal
Rate is shown in the mobile terminal display interface, and the user to be moved easily terminal checks.
It should be noted that in embodiments of the present invention, step 204-205 can be according to current sequencing in step
It is executed before either step before 211 and before step 211, this embodiment of the present invention is not limited.
Step 206, it records the mobile terminal and is persistently charged to mobile terminal prompt since zero power and charged
At when charging duration.
In practical applications, it charges to mobile terminal, is equivalent to be to charge to the battery of mobile terminal.
In the embodiment of the present invention, in order to judge mobile terminal battery whether aging, then needing to obtain current mobile terminal battery
Charging ability.In embodiments of the present invention, mobile terminal can be recorded and is persistently charged to the charging complete moment since zero power
Charging duration and when charging complete mobile terminal practical electricity.In practical applications, mobile terminal may determine that itself
Battery whether charging complete, and prompt is sent out in charging complete.So in embodiments of the present invention, shifting can be recorded
Time when dynamic terminal is persistently charged to mobile terminal prompt charging complete since zero power is used as charging duration.
In addition, in embodiments of the present invention, in order to improve the accuracy of charging duration, in mobile terminal charging process,
It can set mobile terminal to off-mode, or avoid using other operations of mobile terminal execution, such as start wherein
Application program etc..
Step 207, based on the practical electricity described in the charging duration calculation when mobile terminal charging complete.
In practical applications, charging voltage of the mobile terminal in charging process is usually fixed, electric in mobile terminal
The electricity in pond is that the time span charged with mobile terminal is positively related.And it is persistently filled since zero power with mobile terminal
Reality of the electricity to battery when charging duration corresponding necessarily mobile terminal charging complete when mobile terminal prompt charging complete
Electricity.Therefore, the practical electricity of battery of mobile terminal when charging duration calculation charging complete can be utilized.
The practical electricity of mobile terminal can represent the charging ability of current mobile terminal battery when charging complete.Wherein,
The unit of the practical electricity of mobile terminal is mAh (milliampere hour), and mAh is the measurement unit of battery of mobile terminal capacity, is equivalent to
The sum of the external electronics used can be released in battery.Standard unit physically is coulomb (C), the international mark of coulomb
Quasi- unit is that electric current multiplies the ampere second in the time, and wherein ampere (A) is the unit of electric current.Such as 1mAh=0.001 amperes * 3600
Second=3.6 ampere second=3.6 coulomb.Although therefore mAh is not standard unit, it can be conveniently used for calculating.Such as
The battery that one electricity is 900mAh can provide the power supply capacity that 300mA constant currents continue 3 hours.
Optionally, in embodiments of the present invention, the step 207 can further include：For being filled using normal cell
Electric curve calculates the practical electricity when mobile terminal charging complete.
In practical applications, for mobile terminal, there are normal cell charging curves, mobile whole for one as shown in Figure 2 D
Hold the normal cell charging curve schematic diagram of lithium battery.Wherein, x-axis indicates that the time of charging, y-axis indicate the charging of mobile terminal
Electric current, A indicate that constant-current charge electric current, B indicate pre-charge current, and C, which indicates to be full of, judges electric current, and D indicates constant-voltage charge voltage, E
Indicate that preliminary filling end voltage and short circuit judge voltage, bold portion is charging current change curve, and dotted portion is charging electricity
Press change curve.In the case of known charge duration, it can be calculated according to normal cell charging curve and charging duration pair
The practical electricity answered.For example, the practical electricity of a certain moment t is to change bent to t moment, charging current since origin in Fig. 2 D
The area for the closed interval that line is constituted with x-axis and y-axis.Certainly, for different mobile terminals, normal cell charging
The concrete form of curve may be inconsistent, is not limited to this embodiment of the present invention.
In embodiments of the present invention, normal cell charging curve can be deposited in configuration file or other is deposited
Space is stored up, or is written in program of mobile terminal in the form of an algorithm, in this step, standard electric can be obtained from corresponding position
Pond charging curve and when calculating charging complete mobile terminal practical electricity.
Step 208, the difference of the normal cell electricity and the practical electricity of the mobile terminal is calculated.
If there is the phenomenon that aging in the battery of mobile terminal, practical electricity when mobile terminal charging complete with move
The normal cell electricity of dynamic terminal is not consistent, and is usually that practical electricity is less than normal cell electricity.Implement in the present invention
In example, normal cell electricity can be used to subtract practical electricity as the difference of normal cell electricity and practical electricity.
Step 209, judge whether the difference is more than second threshold；If the difference is more than second threshold, enter
Step 210；If otherwise not controlling the mobile terminal prompt cell degradation.
If normal cell electricity and the difference of practical electricity are bigger, illustrate that the cell degradation possibility of mobile terminal is got over
Greatly.Second threshold, the difference of criterion battery capacity and practical electricity can be set according to demand in embodiments of the present invention
Whether second threshold is more than, if it is, illustrating the battery of mobile terminal, there are aging phenomena.And then mobile terminal can be controlled
Cell degradation is prompted, in order to which user replaces battery in time, to avoid being endangered caused by cell degradation as far as possible.
Step 210, if the difference is more than second threshold, the mobile terminal prompt cell degradation is controlled.
In embodiments of the present invention, know in time in order to facilitate user battery of mobile terminal whether the information of aging, can be with
Control mobile terminal is correspondingly prompted.If normal cell electricity and the difference of practical electricity are more than second threshold, can
Cell degradation is prompted to control mobile terminal.For example, battery can be shown in the form of floating window etc. in the display interface of mobile terminal
The prompt message or mobile terminal of aging send out specific duration and the auditory tone cues cell degradation of classification etc., to this
Inventive embodiments are not limited.If mobile terminal is only old with prompting mobile terminal charging situation and battery by sound
Change situation, abnormal sound, prompt charging are normally different with the sound of prompt cell degradation then prompt at this time is charged；But
It is if mobile terminal passes through the arbitrary two ways prompting mobile terminal charging situation and cell degradation feelings including sound
Condition, then the sound of the exception of prompt charging at this time, prompt charge, normal sound can be identical with the sound of prompt cell degradation,
It can also be different, if identical, user can confirm the charging situation of mobile terminal after hearing sound by other mode
The either aging conditions of battery.
Step 211, charging is interrupted.
It should be noted that step of embodiment of the present invention 207-210 can be according to current sequencing in step
It is executed before either step before 211 and before step 211, this embodiment of the present invention is not limited.
Step 212, if the current value is more than first threshold, it is abnormal to control the mobile terminal prompt charging.
In embodiments of the present invention, this step can also be executed before step 211 or be held simultaneously with step 213
Row, is not limited this embodiment of the present invention.
In embodiments of the present invention, if the current value of mobile terminal is more than first threshold, mobile terminal can be controlled
Prompt charging is abnormal.For example, can show the icon to charge extremely in the display interface of mobile terminal, or in mobile terminal
Display interface show that the abnormal prompt message of charging or mobile terminal send out specific duration and classification in the form of floating window etc.
Auditory tone cues charge normal etc., this embodiment of the present invention is not limited.If mobile terminal only passes through sound
With prompting mobile terminal charging situation, then the sound of the exception of prompt charging at this time is differed with the normal sound of prompt charging；
But if mobile terminal is carried at this time by the arbitrary two ways prompting mobile terminal charging situation including sound
Show that the abnormal sound of charging may be the same or different with the normal sound of prompt charging, if identical, user can listen
The charging situation of mobile terminal is confirmed after to sound by other mode.
In embodiments of the present invention, the current value of mobile terminal outer surface can be obtained, then judges that the current value is
No is more than that first threshold interrupts charging if the current value is more than first threshold.So as to outside mobile Terminals
When portion charges, judge that electrification situation whether there is dangerous and determine whether to continue to charge according to judging result in time, and then improve
The applicability of charge protection algorithm.
In addition, in embodiments of the present invention, the input current of mobile terminal can also be obtained and input voltage and calculated defeated
Enter power, and judge whether input power is more than the limit power of mobile terminal, if input power is more than mobile terminal
Limit power then interrupts charging；Moreover, it is also possible to which record mobile terminal is persistently charged to mobile terminal prompt since zero power
Charging duration when charging complete, and based on charging duration calculation charging complete when mobile terminal practical electricity, then calculate
The difference of the normal cell electricity of the mobile terminal and the practical electricity, further judges whether the difference is more than second
Threshold value controls mobile terminal prompt cell degradation if the difference is more than second threshold.It is moved so as to further increase
Safety when dynamic terminal charge.
Embodiment three
A kind of mobile terminal provided in an embodiment of the present invention is discussed in detail.
With reference to Fig. 3, a kind of structural schematic diagram of mobile terminal in the embodiment of the present invention three is shown.
The mobile terminal 300 may include：Mould is interrupted in current value acquisition module 301, the first judgment module 302, charging
Block 303.
The interactive relation between the function and each module of each module is discussed in detail separately below.
Current value acquisition module 301, the current value for obtaining mobile terminal outer surface.
First judgment module 302, for judging whether the current value is more than first threshold；If the current value is more than
First threshold then enters charging interrupt module 303.
Charge interrupt module 303, for interrupting charging.
In embodiments of the present invention, the current value of mobile terminal outer surface can be obtained, then judges that the current value is
No is more than that first threshold interrupts charging if the current value is more than first threshold.So as to outside mobile Terminals
When portion charges, judge that electrification situation whether there is dangerous and determine whether to continue to charge according to judging result in time, and then improve
Safety when mobile terminal charging.
Example IV
A kind of mobile terminal provided in an embodiment of the present invention is discussed in detail.
With reference to Fig. 4, a kind of structural schematic diagram of mobile terminal in the embodiment of the present invention is shown.
The mobile terminal 400 may include：Mould is interrupted in current value acquisition module 401, the first judgment module 402, charging
Block 403.
The interactive relation between the function and each module of each module is discussed in detail separately below.
Current value acquisition module 401, the current value for obtaining mobile terminal outer surface.Optionally, implement in the present invention
In example, the current value acquisition module 401, including：Current value acquisition submodule 4011 is sensed for obtaining using Hall current
The current value for the mobile terminal that device detects.
First judgment module 402, for judging whether the current value is more than first threshold；If the current value does not surpass
First threshold is crossed, then enters regular prompt module 403；If the current value is more than first threshold, enters charging and interrupt mould
Block 411.
Regular prompt module 403 controls the mobile terminal and carries if being less than first threshold for the current value
Show and charges normal.
Input power computing module 404, input current and input voltage for obtaining the mobile terminal simultaneously calculate defeated
Enter power.
Second judgment module 405, for judging whether the input power is more than the limit power of the mobile terminal；Such as
Input power described in fruit is more than the limit power of the mobile terminal, then enters charging interrupt module 411；If the input work
Rate is not more than the limit power of the mobile terminal, then enters regular prompt module 403.
Logging modle 406 is persistently charged to the mobile terminal since zero power for recording the mobile terminal and carries
Show charging duration when charging complete.
Practical electricity computing module 407, for based on it is described charging duration calculation described in mobile terminal charging complete when
Practical electricity.Optionally, in embodiments of the present invention, the practical electricity computing module 407 is further additionally operable to utilize standard
Battery charging curve calculates the practical electricity when mobile terminal charging complete.
Difference calculating module 408, the difference of normal cell electricity and the practical electricity for calculating the mobile terminal
Value.
Third judgment module 409, for judging whether the difference is more than second threshold；If the difference is more than second
Threshold value then enters cell degradation reminding module.
Cell degradation reminding module 410 prompts cell degradation for controlling the mobile terminal.
Charge interrupt module 411, for interrupting charging.
Abnormal prompt module 412 controls the mobile terminal prompt if being more than first threshold for the current value
Charging is abnormal.
In embodiments of the present invention, the current value of mobile terminal outer surface can be obtained, then judges that the current value is
No is more than that first threshold interrupts charging if the current value is more than first threshold.So as to outside mobile Terminals
When portion charges, judge that electrification situation whether there is dangerous and determine whether to continue to charge according to judging result in time, and then improve
The applicability of charge protection algorithm.
In addition, in embodiments of the present invention, the input current of mobile terminal can also be obtained and input voltage and calculated defeated
Enter power, and judge whether input power is more than the limit power of mobile terminal, if input power is more than mobile terminal
Limit power then interrupts charging；Moreover, it is also possible to which record mobile terminal is persistently charged to mobile terminal prompt since zero power
Charging duration when charging complete, and based on charging duration calculation charging complete when mobile terminal practical electricity, then calculate
The difference of the normal cell electricity of the mobile terminal and the practical electricity, further judges whether the difference is more than second
Threshold value controls mobile terminal prompt cell degradation if the difference is more than second threshold.It is moved so as to further increase
Safety when dynamic terminal charge.
Embodiment five
A kind of mobile terminal provided in an embodiment of the present invention is discussed in detail.
With reference to Fig. 5, a kind of block diagram of mobile terminal in the embodiment of the present invention five is shown.
Mobile terminal 500 shown in fig. 5 includes：At least one processor 501, memory 502, at least one network interface
504 and user interface 503.Various components in mobile terminal 500 are coupled by bus system 505.It is understood that bus
System 505 is for realizing the connection communication between these components.Bus system 505 further includes electricity in addition to including data/address bus
Source bus, controlling bus and status signal bus in addition.But for the sake of clear explanation, various buses are all designated as always in Figure 5
Linear system system 505.
Wherein, user interface 503 may include display, keyboard or pointing device (for example, mouse, trace ball
(trackball), touch-sensitive plate or touch screen etc..
It is appreciated that the memory 502 in the embodiment of the present invention can be volatile memory or nonvolatile memory,
Both or may include volatile and non-volatile memory.Wherein, nonvolatile memory can be read-only memory (Read-
OnlyMemory, ROM), programmable read only memory (ProgrammableROM, PROM), Erasable Programmable Read Only Memory EPROM
(ErasablePROM, EPROM), electrically erasable programmable read-only memory (ElectricallyEPROM, EEPROM) dodge
It deposits.Volatile memory can be random access memory (RandomAccessMemory, RAM), and it is slow to be used as external high speed
It deposits.By exemplary but be not restricted explanation, the RAM of many forms is available, such as static RAM
(StaticRAM, SRAM), dynamic random access memory (DynamicRAM, DRAM), Synchronous Dynamic Random Access Memory
(SynchronousDRAM, SDRAM), double data speed synchronous dynamic RAM (DoubleDataRate
SDRAM, DDRSDRAM), enhanced Synchronous Dynamic Random Access Memory (Enhanced SDRAM, ESDRAM), synchronized links
Dynamic random access memory (SynchlinkDRAM, SLDRAM) and direct rambus random access memory
(DirectRambusRAM, DRRAM).The memory 502 of the system and method for description of the embodiment of the present invention is intended to
In the memory of these and any other suitable type.
In some embodiments, memory 502 stores following element, executable modules or data structures, or
Their subset of person or their superset：Operating system 5021 and application program 5022.
Wherein, operating system 5021, including various system programs, such as ccf layer, core library layer, driving layer etc., are used for
Realize various basic businesses and the hardware based task of processing.Application program 5022, including various application programs, such as media
Player (MediaPlayer), browser (Browser) etc., for realizing various applied business.Realize embodiment of the present invention side
The program of method may be embodied in application program 5022.
In embodiments of the present invention, by the program for calling memory 502 to store or instruction, specifically, can be application
The program stored in program 5022 or instruction, processor 501 are used to obtain the current value of mobile terminal outer surface, judge the electricity
Whether flow valuve is more than that first threshold interrupts charging if the current value is more than first threshold.
The method that the embodiments of the present invention disclose can be applied in processor 501, or be realized by processor 501.
Processor 501 may be a kind of IC chip, the processing capacity with signal.During realization, the above method it is each
Step can be completed by the integrated logic circuit of the hardware in processor 501 or the instruction of software form.Above-mentioned processing
Device 501 can be general processor, digital signal processor (DigitalSignalProcessor, DSP), application-specific integrated circuit
(ApplicationSpecificIntegratedCircuit, ASIC), ready-made programmable gate array
(FieldProgrammableGateArray, FPGA) either other programmable logic device, discrete gate or transistor logic
Device, discrete hardware components.It may be implemented or execute disclosed each method, step and the logical box in the embodiment of the present invention
Figure.General processor can be microprocessor or the processor can also be any conventional processor etc..In conjunction with the present invention
The step of method disclosed in embodiment, can be embodied directly in hardware decoding processor and execute completion, or use decoding processor
In hardware and software module combination execute completion.Software module can be located at random access memory, and flash memory, read-only memory can
In the storage medium of this fields such as program read-only memory or electrically erasable programmable memory, register maturation.The storage
Medium is located at memory 502, and processor 501 reads the information in memory 502, and the step of the above method is completed in conjunction with its hardware
Suddenly.
It is understood that the embodiment of the present invention description these embodiments can use hardware, software, firmware, middleware,
Microcode or combinations thereof is realized.For hardware realization, processing unit may be implemented in one or more application-specific integrated circuits
(ApplicationSpecificIntegratedCircuits, ASIC), digital signal processor
(DigitalSignalProcessing, DSP), digital signal processing appts (DSPDevice, DSPD), programmable logic device
(ProgrammableLogicDevice, PLD), field programmable gate array (Field-ProgrammableGateArray,
FPGA), general processor, controller, microcontroller, microprocessor, other electronics lists for executing herein described function
In member or combinations thereof.
For software implementations, can by execute the embodiment of the present invention described in function module (such as process, function etc.) come
Realize the technology described in the embodiment of the present invention.Software code is storable in memory and is executed by processor.Memory can
With portion realizes in the processor or outside the processor.
Optionally, as another embodiment, processor 501 is additionally operable to：Acquisition is detected using Hall current sensor
The mobile terminal outer surface current value.
Optionally, as another embodiment, processor 501 is additionally operable to：If the current value is more than first threshold,
It is abnormal to control the mobile terminal prompt charging；If the current value is less than first threshold, the mobile terminal is controlled
Prompt charges normal.
Optionally, processor 501 is additionally operable to：It obtains the input current of the mobile terminal and input voltage and calculates input
Power；Judge whether the input power is more than the limit power of the mobile terminal；If the input power is more than described
The limit power of mobile terminal then enters the step of interrupting charging.
Optionally, processor 501 is additionally operable to：It records the mobile terminal and is persistently charged to the movement since zero power
Charging duration when terminal notifying charging complete；Based on the reality described in the charging duration calculation when mobile terminal charging complete
Electricity；Calculate the difference of the normal cell electricity and the practical electricity of the mobile terminal；Judge whether the difference is more than
Second threshold；If the difference is more than second threshold, the mobile terminal prompt cell degradation is controlled.
Optionally, processor 501 is additionally operable to：When calculating the mobile terminal charging complete using normal cell charging curve
Practical electricity.
Mobile terminal 500 can realize each process that mobile terminal is realized in previous embodiment, to avoid repeating, here
It repeats no more.
Embodiment six
Fig. 6 is the structural schematic diagram of the mobile terminal of another embodiment of the present invention.
Specifically, the mobile terminal 600 in Fig. 6 can be mobile phone, tablet computer, personal digital assistant
(PersonalDigital Assistant, PDA) or vehicle-mounted computer etc..
Mobile terminal 600 in Fig. 6 includes radio frequency (RadioFrequency, RF) circuit 610, memory 620, input list
Member 630, display unit 640, processor 660, voicefrequency circuit 670, WiFi (WirelessFidelity) module 680, power supply 690
With Hall current sensor 6110.
Wherein, input unit 630 can be used for receiving number input by user or character information, and generation and mobile terminal
The 600 related signal input of user setting and function control.Specifically, in the embodiment of the present invention, which can
To include touch panel 631.Touch panel 631, also referred to as touch screen collect user on it or neighbouring touch operation
(for example user uses the operations of any suitable object or attachment on touch panel 631 such as finger, stylus), and according to advance
The formula of setting drives corresponding attachment device.Optionally, touch panel 631 may include touch detecting apparatus and touch controller
Two parts.Wherein, the touch orientation of touch detecting apparatus detection user, and the signal that touch operation is brought is detected, by signal
Send touch controller to；Touch controller receives touch information from touch detecting apparatus, and is converted into contact coordinate,
The processor 660 is given again, and can be received order that processor 660 is sent and be executed.Furthermore, it is possible to using resistance-type,
The multiple types such as condenser type, infrared ray and surface acoustic wave realize touch panel 631.In addition to touch panel 631, input unit
630 can also include other input equipments 632, other input equipments 632 can include but is not limited to physical keyboard, function key
It is one or more in (such as volume control button, switch key etc.), trace ball, mouse, operating lever etc..
Wherein, display unit 640 can be used for showing information input by user or be supplied to information and the movement of user
The various menu interfaces of terminal 600.Display unit 640 may include display panel 641, optionally, LCD or organic hairs may be used
The forms such as optical diode (OrganicLight-EmittingDiode, OLED) configure display panel 641.
It should be noted that touch panel 631 can cover display panel 641, touch display screen is formed, when the touch display screen is examined
It measures and sends processor 660 on it or after neighbouring touch operation to determine the type of touch event, be followed by subsequent processing device
660 provide corresponding visual output according to the type of touch event in touch display screen.
Touch display screen includes Application Program Interface viewing area and common control viewing area.The Application Program Interface viewing area
And arrangement mode of the common control viewing area does not limit, can be arranged above and below, left-right situs etc. can distinguish two it is aobvious
Show the arrangement mode in area.The Application Program Interface viewing area is displayed for the interface of application program.Each interface can be with
Including the interface elements such as icon and/or widget desktop controls of at least one application program.The Application Program Interface viewing area
Or the empty interface not comprising any content.This commonly uses control viewing area for showing the higher control of utilization rate, for example,
Application icons such as button, interface number, scroll bar, phone directory icon etc. are set.
Wherein, processor 660 is the control centre of mobile terminal 600, utilizes various interfaces and connection whole mobile phone
Various pieces, by running or execute the software program and/or module that are stored in first memory 621, and call and deposit
The data in second memory 622 are stored up, the various functions and processing data of mobile terminal 600 are executed, to mobile terminal
600 carry out integral monitoring.Optionally, processor 660 may include one or more processing units.
In embodiments of the present invention, by calling store the first memory 621 in software program and/or module and/
Or the data in the second memory 622, processor 660 are used to obtain the current value of mobile terminal outer surface；Judge the electricity
Whether flow valuve is more than first threshold；If the current value is more than first threshold, charging is interrupted.
Optionally, processor 660 is additionally operable to obtain the mobile terminal appearance detected using Hall current sensor
The current value in face.
Optionally, it if it is more than first threshold that processor 660, which is additionally operable to the current value, controls the mobile terminal and carries
Show that charging is abnormal；If the current value is less than first threshold, controls the mobile terminal prompt and charge normal.
Optionally, processor 660 is additionally operable to obtain the input current of the mobile terminal and input voltage and calculates input
Power；Judge whether the input power is more than the limit power of the mobile terminal；If the input power is more than described
The limit power of mobile terminal then enters the step of interrupting charging.
Optionally, processor 660 is additionally operable to record the mobile terminal is persistently charged to the movement since zero power
Charging duration when terminal notifying charging complete；Based on the reality described in the charging duration calculation when mobile terminal charging complete
Electricity；Calculate the difference of the normal cell electricity and the practical electricity of the mobile terminal；Judge whether the difference is more than
Second threshold；If the difference is more than second threshold, the mobile terminal prompt cell degradation is controlled.
Optionally, when processor 660 is additionally operable to calculate the mobile terminal charging complete using normal cell charging curve
Practical electricity.
As it can be seen that in the present invention, by obtaining the current value of mobile terminal outer surface, whether then judging the current value
More than first threshold charging is interrupted if the current value is more than first threshold.So as to outside mobile Terminals
When electrification, electrification situation is judged with the presence or absence of danger in time and determines whether to continue to charge according to judging result, and then is improved
Safety when mobile terminal charges.
In addition, in embodiments of the present invention, the input current of mobile terminal can also be obtained and input voltage and calculated defeated
Enter power, and judge whether input power is more than the limit power of mobile terminal, if input power is more than mobile terminal
Limit power then interrupts charging；Moreover, it is also possible to which record mobile terminal is persistently charged to mobile terminal prompt since zero power
Charging duration when charging complete, the practical electricity of mobile terminal, then calculates institute when based on charging duration calculation charging complete
The difference for stating the normal cell electricity and the practical electricity of mobile terminal, further judges whether the difference is more than the second threshold
Value controls mobile terminal prompt cell degradation if the difference is more than second threshold.So as to further increase movement
Safety when terminal charge.
Those of ordinary skill in the art may realize that the embodiment in conjunction with disclosed in the embodiment of the present invention describes each
Exemplary unit and algorithm steps can be realized with the combination of electronic hardware or computer software and electronic hardware.These
Function is implemented in hardware or software actually, depends on the specific application and design constraint of technical solution.Profession
Technical staff can use different methods to achieve the described function each specific application, but this realization is not answered
Think beyond the scope of this invention.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In embodiment provided herein, it should be understood that disclosed device and method can pass through others
Mode is realized.For example, the apparatus embodiments described above are merely exemplary, for example, the division of the unit, only
A kind of division of logic function, formula that in actual implementation, there may be another division manner, such as multiple units or component can combine or
Person is desirably integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual
Between coupling, direct-coupling or communication connection can be INDIRECT COUPLING or communication link by some interfaces, device or unit
It connects, can be electrical, machinery or other forms.
The unit illustrated as separating component may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, you can be located at a place, or may be distributed over multiple
In network element.Some or all of unit therein can be selected according to the actual needs to realize the mesh of this embodiment scheme
's.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it can also
It is that each unit physically exists alone, it can also be during two or more units be integrated in one unit.
It, can be with if the function is realized in the form of SFU software functional unit and when sold or used as an independent product
It is stored in a computer read/write memory medium.Based on this understanding, technical scheme of the present invention is substantially in other words
The part of the part that contributes to existing technology or the technical solution can be expressed in the form of software products, the meter
Calculation machine software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be
People's computer, server or network equipment etc.) it performs all or part of the steps of the method described in the various embodiments of the present invention.
And storage medium above-mentioned includes：USB flash disk, mobile hard disk, ROM, RAM, magnetic disc or CD etc. are various can to store program code
Medium.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (10)
1. a kind of charge protection method, which is characterized in that including：
Obtain the current value of the mobile terminal outer surface detected using Hall current sensor；
Judge whether the current value is more than first threshold；
If the current value is more than first threshold, charging is interrupted.
2. according to the method described in claim 1, it is characterized in that, judging whether the current value is more than first threshold described
The step of after, further include：
If the current value is more than first threshold, it is abnormal to control the mobile terminal prompt charging；
If the current value is less than first threshold, controls the mobile terminal prompt and charge normal.
3. according to the method described in claim 1, it is characterized in that, further including：
It obtains the input current of the mobile terminal and input voltage and calculates input power；
Judge whether the input power is more than the limit power of the mobile terminal；
If the input power is more than the limit power of the mobile terminal, enter the step of interrupting charging.
4. according to the method described in claim 1, it is characterized in that, further including：
When recording the charging when mobile terminal is persistently charged to mobile terminal prompt charging complete since zero power
It is long；
Based on the practical electricity described in the charging duration calculation when mobile terminal charging complete；
Calculate the difference of the normal cell electricity and the practical electricity of the mobile terminal；
Judge whether the difference is more than second threshold；If the difference is more than second threshold, the mobile terminal is controlled
Prompt cell degradation.
5. according to the method described in claim 4, it is characterized in that, described based on mobile terminal described in the charging duration calculation
The step of practical electricity when charging complete, including：
Based on the charging duration, the practical electricity when mobile terminal charging complete is calculated using normal cell charging curve
Amount.
6. a kind of mobile terminal, which is characterized in that including：
Current value acquisition module, the current value for obtaining the mobile terminal outer surface detected using Hall current sensor；
First judgment module, for judging whether the current value is more than first threshold；If the current value is more than the first threshold
Value then enters charging interrupt module；
Charge interrupt module, for interrupting charging.
7. mobile terminal according to claim 6, which is characterized in that further include：
It is different to control the mobile terminal prompt charging if being more than first threshold for the current value for abnormal prompt module
Often；
It is normal to control the mobile terminal prompt if being less than first threshold for the current value for regular prompt module
Charging.
8. mobile terminal according to claim 6, which is characterized in that further include：
Input power computing module, input current and input voltage for obtaining the mobile terminal simultaneously calculate input power；
Second judgment module, for judging whether the input power is more than the limit power of the mobile terminal；If described
Input power is more than the limit power of the mobile terminal, then enters charging interrupt module.
9. mobile terminal according to claim 6, which is characterized in that further include：
Logging modle is persistently charged to the mobile terminal prompt for recording the mobile terminal since zero power and has charged
At when charging duration；
Practical electricity computing module, for based on the practical electricity described in the charging duration calculation when mobile terminal charging complete
Amount；
Difference calculating module, the difference of normal cell electricity and the practical electricity for calculating the mobile terminal；
Third judgment module, for judging whether the difference is more than second threshold；If the difference is more than second threshold,
Into cell degradation reminding module；
Cell degradation reminding module prompts cell degradation for controlling the mobile terminal.
10. mobile terminal according to claim 6, which is characterized in that the practical electricity computing module is additionally operable to utilize
Normal cell charging curve calculates the practical electricity when mobile terminal charging complete.
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| CN109792156A (en) * | 2016-11-26 | 2019-05-21 | 华为技术有限公司 | A kind of method and apparatus of the real-time monitoring of the case where charging link |
| CN109116252A (en) * | 2018-08-24 | 2019-01-01 | 重庆雅讯电源技术有限公司 | battery data generating device |
| CN111751592B (en) * | 2019-03-27 | 2022-08-26 | 北京市腾河智慧能源科技有限公司 | Multifunctional subminiature integrated low-voltage monitoring terminal based on Hall sensor |
| CN113555921B (en) * | 2021-06-29 | 2023-05-05 | 中国联合网络通信集团有限公司 | Charging reminding method based on scene digitization and mobile terminal |
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