CN109860743A - A kind of charging method and terminal device - Google Patents
A kind of charging method and terminal device Download PDFInfo
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- CN109860743A CN109860743A CN201811353401.XA CN201811353401A CN109860743A CN 109860743 A CN109860743 A CN 109860743A CN 201811353401 A CN201811353401 A CN 201811353401A CN 109860743 A CN109860743 A CN 109860743A
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- 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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The embodiment of the present invention provides a kind of charging method and terminal device, is related to field of terminal technology, may result on all batteries for solving the problems, such as identical charging modes to be applied to batch production some batteries occur during the charging process it is abnormal.This method comprises: obtaining the battery of the terminal device in the impedance of the starting point of target interval, the target interval is a section in n section being divided into according to a charge cycle of the state of charge SOC to the battery, and n is the integer more than or equal to 2；Target current is obtained according to the impedance and default mapping relations, the default mapping relations include the mapping relations of the impedance and the target current；It is battery charging using the target current as charging current in the target interval.The embodiment of the present invention is for charging.
Description
Technical field
The present invention relates to field of terminal technology more particularly to a kind of charging method and terminal devices.
Background technique
With the development of terminal technology, the terminal devices such as mobile phone, tablet computer be increasingly becoming people's daily life and
Indispensable equipment in work.With the screen of intelligent terminal, central processing unit (Central Processing Unit,
The promotion of hardware such as CPU), the function of intelligent terminal is further powerful, but power consumption also increases therewith, thus can quickly, safety
It is the substrate requirement that terminal device charging has become user to terminal device.
The charging modes generallyd use in the prior art are as follows: obtained by carrying out charging experiment to a certain number of battery samples
Charging assessment data are taken, then obtain battery sample optimal charge opposite in whole life cycle according to charging assessment data
The opposite optimal charge mode is finally applied to the terminal device of batch production by mode.However, due to manufacturing process, old
The reasons such as change degree, even therefore can also have apparent difference with a batch of battery.In the prior art by battery
Although sample, which carries out charging experiment, which obtains optimal charge mode, can fully meet the technical standard of battery sample, due to battery
Between difference may can be in some batteries if identical charging modes are applied on all batteries of batch production
Certain life cycles in be not suitable for, and then some batteries is caused to occur exception during the charging process.
Summary of the invention
The embodiment of the present invention provides a kind of charging method and terminal device, is applied to identical charging modes for solving
It may result in some batteries on all batteries of batch production and occur abnormal problem during the charging process.
In order to solve the above-mentioned technical problem, the present invention is implemented as follows:
In a first aspect, being applied to terminal device the embodiment of the invention provides a kind of charging method, which comprises
The battery of the terminal device is obtained in the impedance of the starting point of target interval, the target interval is according to charge shape
The section in n section that state SOC is divided into a charge cycle of the battery, n are to be greater than or wait
In 2 integer；
Obtain target current according to the impedance and default mapping relations, the default mapping relations include the impedance and
The mapping relations of the target current；
It is battery charging using the target current as charging current in the target interval.
Second aspect, the present invention apply example and provide a kind of terminal device, comprising:
Impedance acquiring unit, for obtaining the battery of the terminal device in the impedance of the starting point of target interval, the mesh
Mark section is one in n section being divided into according to a charge cycle of the state of charge SOC to the battery
A section, n are the integer more than or equal to 2；
Electric current acquiring unit, the impedance and default mapping relations for being obtained according to the impedance acquiring unit obtain
Target current, the default mapping relations include the mapping relations of the impedance and the target current；
Charhing unit, for being that the battery fills using the target current as charging current in the target interval
Electricity.
The third aspect the embodiment of the invention provides a kind of terminal device, including processor, memory and is stored in described
It is real when the computer program is executed by the processor on memory and the computer program that can run on the processor
Now the step of charging method as described in relation to the first aspect.
Fourth aspect, the embodiment of the present invention provide a kind of computer readable storage medium, the computer-readable storage medium
Computer program is stored in matter, and charging method as described in relation to the first aspect is realized when the computer program is executed by processor
Step.
Charging method provided in an embodiment of the present invention, first resistance of the battery of acquisition terminal device in the starting point of target interval
It is anti-, target current is then obtained according to the impedance and default mapping relations, finally in the target interval, by the target
Electric current is battery charging as charging current, since the embodiment of the present invention is to be retrieved as electricity according to the impedance of battery itself
The electric current of pond charging, therefore can be the impedance variations with battery of the charging current property of can adapt to of battery charging, thus
Charging process of the battery in target interval is avoided to occur abnormal；Again because the target interval is according to SOC pairs of state of charge
The section in n section that one charge cycle of the battery is divided into, so according to state of charge SOC
N section being divided into a charge cycle of the battery can execute provided in an embodiment of the present invention fill
Method for electrically, and then avoid battery that battery is being avoided exception occur in entire charge cycle.Since the embodiment of the present invention is basis
The impedance of battery itself is arranged the charging current of battery, therefore the embodiment of the present invention can solve identical charging modes
Being applied to may result in some batteries on all batteries of batch production and occurs abnormal problem during the charging process.
Detailed description of the invention
Fig. 1 is the schematic diagram of the operating system of terminal device provided in an embodiment of the present invention；
Fig. 2 is one of the step flow chart of charging method provided in an embodiment of the present invention；
Fig. 3 is the two of the step flow chart of charging method provided in an embodiment of the present invention；
Fig. 4 is the charging result comparison diagram of charging method provided in an embodiment of the present invention and constant current ladder charging method；
Fig. 5 is the structural schematic diagram of terminal device provided in an embodiment of the present invention；
Fig. 6 is the hardware structural diagram of terminal device provided in an embodiment of the present invention.
Specific embodiment
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 description, 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, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
The terms "and/or", only a kind of incidence relation for describing affiliated partner, indicates that there may be three kinds of passes
System, for example, A and/or B, can indicate: individualism A exists simultaneously A and B, these three situations of individualism B.In addition, herein
Middle character "/" typicallys represent the relationship that forward-backward correlation object is a kind of "or"；In formula, character "/" indicates forward-backward correlation
Object is the relationship of a kind of " being divided by ".If explanation is not added, " multiple " herein refer to two or more.
For the ease of clearly describing the technical solution of the embodiment of the present invention, in an embodiment of the present invention, use " the
One ", the printed words such as " second " distinguish function or the essentially identical identical entry of effect or similar item, and those skilled in the art can
To understand that the printed words such as " first ", " second " are not defined quantity and execution order.
In the embodiment of the present invention, " illustrative " or " such as " etc. words for indicate make example, illustration or explanation.This hair
Be described as in bright embodiment " illustrative " or " such as " any embodiment or design scheme be not necessarily to be construed as than it
Its embodiment or design scheme more preferably or more advantage.Specifically, use " illustrative " or " such as " etc. words be intended to
Related notion is presented in specific ways.In embodiments of the present invention, unless otherwise indicated, the meaning of " plurality " is refer to two or
It is more than two.
Due to manufacturing process, degree of aging etc., even also can be in the presence of apparent poor with a batch of battery
It is different.Although obtaining optimal charge mode by carrying out charging experiment to battery sample in the prior art and can fully meet battery sample
The technical standard of product, but due to the difference between battery, if identical charging modes to be applied to all batteries of batch production
On, then it may can be not suitable in certain life cycles of some batteries, and then some batteries is caused to go out during the charging process
It is now abnormal.
Based on the above issues, the embodiment of the invention provides a kind of charging method and terminal devices, and the charging method is first
Then the battery of acquisition terminal device obtains mesh according to the impedance and default mapping relations in the impedance of the starting point of target interval
Electric current is marked, is battery charging using the target current as charging current, due to this hair finally in the target interval
Bright embodiment is the electric current that battery charging is retrieved as according to the impedance of battery itself, therefore can be the charging of battery charging
The impedance variations with battery of the electric current property of can adapt to, so that it is abnormal to avoid charging process of the battery in target interval from occurring；
Again because the target interval is the n being divided into according to a charge cycle of the state of charge SOC to the battery
A section in a section, so being divided into obtain according to a charge cycle of the state of charge SOC to the battery
N section can execute charging method provided in an embodiment of the present invention, and then avoid battery that battery is being avoided entirely to fill
The electric period occurs abnormal.Since the embodiment of the present invention is the charging current that battery is arranged according to the impedance of battery itself,
Therefore the embodiment of the present invention can solve may result on all batteries that identical charging modes are applied to batch production
There is abnormal problem during the charging process in some batteries.
Below by taking Android operation system as an example, software applied by charging method provided by the embodiments of the present application is introduced
Environment.
As shown in FIG. 1, FIG. 1 is a kind of possible Android operation systems applied by charging method provided by the embodiments of the present application
The configuration diagram of system.In Fig. 1, the framework of Android operation system includes 4 layers, is respectively as follows: application layer, application program frame
Rack-layer, system Runtime Library layer and inner nuclear layer (being specifically as follows Linux inner core).
Wherein, application layer includes each application program (including system application and in Android operation system
Tripartite's application program).
Application framework layer is the frame of application program, and developer can be in the exploitation for the frame for abiding by application program
In the case where principle, some application programs are developed based on application framework layer.
System Runtime Library layer includes library (also referred to as system library) and Android operation system running environment.Library is mainly Android behaviour
As system it is provided needed for all kinds of resources.Android operation system running environment is used to provide software loop for Android operation system
Border.
Inner nuclear layer is the operating system layer of Android operation system, belongs to the bottom of Android operation system software level.It is interior
Stratum nucleare provides core system service and hardware-related driver based on linux kernel for Android operation system.
By taking Android operation system as an example, in the embodiment of the present application, developer can be based on above-mentioned Android as shown in Figure 1
The software journey of the method for quick start application program provided by the embodiments of the present application is realized in the system architecture of operating system, exploitation
Sequence, so that the method for the quick start application program can be run based on Android operation system as shown in Figure 1.Handle
Device or terminal device can be provided by the embodiments of the present application fast by running software program realization in Android operation system
The method of speed starting application program.
Terminal device provided by the embodiments of the present application can be mobile phone, tablet computer, laptop, super mobile personal
Computer (ultra-mobile personal computer, UMPC), net book, personal digital assistant (personal
Digital assistant, PDA), smartwatch, the terminal devices such as Intelligent bracelet or the terminal device can also be other
The terminal device of type, the embodiment of the present application are not construed as limiting.
The embodiment of the present invention provides a kind of charging method, specifically, referring to shown in Fig. 2, which includes:
S21, the impedance for obtaining starting point of the battery of the terminal device in target interval.
The target interval is to be divided into according to a charge cycle of the state of charge SOC to the battery
A section in n section, n are the integer more than or equal to 2.
Optionally, the side in above-mentioned n section being divided into according to a charge cycle of the SOC to the battery
Method is specifically as follows: according to state of charge (State Of Charge, SOC) to the SOC- open-circuit voltage (Open of the battery
Circuit Voltage, OCV) curve divides to obtain n section.
SOC refers to the electricity that actually can be provided under current state and the ratio for being completely filled with the electricity that electricity can be provided,
According to SOC it is known that the remaining capacity and level of charge of battery current state, issue battery convenient for battery management system
Various instructions, in battery discharge, charging process, state-of-charge is all a very important index.
OCV refers to end voltage of the battery under open-circuit condition.It is generally acknowledged that battery is after charge or discharge by for a long time
Standing, battery eliminated polarization influence reach stable state, the voltage at this when of battery both ends is open-circuit voltage, open circuit
Voltage is not influenced by charging and discharging currents, related with battery material and state-of-charge.In embodiments of the present invention, the range of OCV can
Think [3.0V, 4.5V].
At a certain temperature, one-to-one relationship is presented in the SOC and OCV of battery, is according to the SOC of battery and OCV
Now one-to-one relationship, and be battery by the curve that the OCV of abscissa, battery is ordinate drafting of the SOC of battery
SOC-OCV curve.
Under normal circumstances, the SOC-OCV curve procedures of battery are obtained are as follows: by being battery charging for certain electric current, be
The SOC of battery progressively increases to 100% from 0%, then will be every in the process at interval of the OCV of certain SOC measurement one-shot battery
SOC and the OCV one-to-one correspondence of a measurement point are made into SOC-OCV curve, and are that the charging current that each section SOC is charged becomes
The initial modeling electric current in the section SOC.In embodiments of the present invention, initially modeling may range from of electric current [0.05C,
0.2C]。
Such as: battery SOC from SOCaIncrease to SOCbDuring, the charging current of battery is Iab, and in battery
SOC be SOCaWhen, the OCV of battery is OCVa, battery SOC be SOCbWhen, the OCV of battery is OCVb, then IabFor the area SOC
Between (SOCa, SOCb) initial modeling electric current, SOCaCorresponding OCV is OCVa, SOCbCorresponding OCV is OCVb。
Further, below to starting point of the battery in target interval for obtaining the terminal device in above-mentioned steps S21
The implementation of impedance be described in detail.
Optionally, referring to shown in Fig. 3, the impedance of starting point of the battery of the above-mentioned acquisition terminal device in target interval has
Body may include:
S31, the target interval starting point to the battery input detection electric current.
Illustratively, detection electric current can for one current value is larger and pulse current that time duration is shorter.?
In this embodiment of the present invention, the current value range for detecting electric current can be [0.2C, 3C], and the duration for detecting electric current can be
[500ms, 4s].
The output voltage of the battery, the starting point of the target interval are corresponding when S32, the detection electric current according to input
OCV, the initial modeling electric current of the target interval and the detection electric current, which calculate, obtains the battery in the target interval
Starting point impedance.
Further, according to the output voltage of battery when inputting the detection electric current, described in above-mentioned steps S32
The corresponding OCV of the starting point of target interval, the initial modeling electric current of the target interval and the detection electric current, which calculate, obtains institute
The specific implementation for stating impedance of the battery in the starting point of the target interval can be with are as follows:
According to the output voltage of battery when inputting the detection electric current, the target interval the corresponding OCV of starting point,
The initial modeling electric current of the target interval, the detection electric current and target formula obtain the battery rising in target interval
The impedance of point；
The target formula are as follows: Rn=(Vbat-OCVn)/(IDetection-In)；
Wherein, RnImpedance for the battery in the starting point of the target interval, VbatTo input the detection electric current when institute
State the output voltage of battery, OCVnThe starting point of the target interval corresponding OCV, IDetectionFor the detection electric current, InFor the mesh
Mark the initial modeling electric current in section.
S22, target current is obtained according to the impedance and default mapping relations.
Wherein, the default mapping relations include the mapping relations of the impedance and the target current.
Optionally, as shown in table 1 below, default mapping relations are specifically as follows reflecting for impedance ranges and corresponding target current
Penetrate relation table.
Table 1
Optionally, the default mapping relations include the functional relation of the impedance and the target current.
Illustratively, the functional relation of the impedance and the target current is I=f (R), wherein I is the target
Electric current, R are impedance.That is, obtain battery after the impedance of the starting point of target interval, by battery the starting point of target interval impedance
It brings into calculate in functional relation I=f (R) and obtains target current.
S23, in the target interval, using the target current as charging current be the battery charge.
That is, setting the target obtained in above-mentioned steps S22 for the charging circuit of the battery in the target interval
Electric current.
It should be noted that above-described embodiment is only filled with the charging process in target interval to provided in an embodiment of the present invention
Method for electrically is illustrated, therefore when battery is by charging, when the SOC of battery exceeds the upper limit of target interval, battery is only completed
The charging process of target interval, and and do not complete battery entire charge cycle, therefore when battery by charging exceed target area
Between the upper limit after, battery enters next section of charge cycle, and the S21 to S23 that repeats the above steps, until charging complete.
It should also be noted that, during the charging process, charging complete SOCQ can also be arranged for batteryOnly, and in battery
SOC reach QOnlyWhen triggering stop continue to battery charge.Illustratively, the Q of settingOnlyIt can be QOnly=Qnor*a；Wherein, a
Value range be [0.99,1.01], Qnor be battery rated capacity.
In addition, during the charging process, a charge cutoff voltage V can also be arranged for batteryOnly, i.e., in charging process most
Big voltage, to avoid charging voltage over-voltage and damage battery.Illustratively, the charge cutoff voltage V of settingOnlyIt can be VOnly=
Vnor+ Δ V, Vnor are the specified charge cutoff voltage of battery.
Charging method provided in an embodiment of the present invention, first resistance of the battery of acquisition terminal device in the starting point of target interval
It is anti-, target current is then obtained according to the impedance and default mapping relations, finally in the target interval, by the target
Electric current is battery charging as charging current, since the embodiment of the present invention is to be retrieved as electricity according to the impedance of battery itself
The electric current of pond charging, therefore can be the impedance variations with battery of the charging current property of can adapt to of battery charging, thus
Charging process of the battery in target interval is avoided to occur abnormal；Again because the target interval is according to SOC pairs of state of charge
The section in n section that one charge cycle of the battery is divided into, so according to state of charge SOC
N section being divided into a charge cycle of the battery can execute provided in an embodiment of the present invention fill
Method for electrically, and then avoid battery that battery is being avoided exception occur in entire charge cycle.Since the embodiment of the present invention is basis
The impedance of battery itself is arranged the charging current of battery, therefore the embodiment of the present invention can solve identical charging modes
Being applied to may result in some batteries on all batteries of batch production and occurs abnormal problem during the charging process.
Further, charging method provided by the above embodiment is illustrated below.
Under conditions of 25degC, use charging voltage for 5V, charging current be 4.5A adapter to being in SOC
0% and zero-power state under terminal device charging, the rated capacity Qnor=3800mAh of the battery of terminal device, charging cut
The charge cycle of terminal device, then can be divided into three phases by only voltage Vnor=4.38V, the first stage be SOC0% extremely
SOC10%, second stage are SOC10% to SOC20%, the phase III is SOC20% to SOC100%.
First stage is divided into 10 sections according to the interval of SOC1%, the modeling electric current that each section uses is successively
For I0、I1、I2、……I10, the OCV of the starting point in each section is respectively OCV0、OCV1、OCV2、……OCV10；By second-order
Duan Yici is divided into 4 sections, the modeling that each section uses according to the interval of SOC1%, SOC2%, SOC3%, SOC4%
Electric current is followed successively by I11、I12、I13、I14, the OCV of the starting point in each section is respectively OCV11、OCV12、OCV13、OCV14；By
Three stages were divided into 16 sections according to the interval of SOC5%, and the modeling electric current that each section uses is followed successively by I15、I16、
I17、......I29、I30, the OCV of the starting point in each section is respectively OCV15、OCV16、OCV77、......OCV29、OCV30,
The detailed interval parameter in 30 sections being then divided into a charge cycle of the battery is as shown in table 2 below:
Table 2
When into charging process, when the coulomb score accumulation of charge volume is to the starting point in any one section, terminal device is just
The signal for being used to indicate adapter output detection electric current can be sent to adapter, adapter inputs after receiving the signal to battery
Electric current is detected, while terminal device measurement obtains the cell voltage of the starting point in each section, then according to the starting point in each section
Cell output voltage (output voltage of the battery when input detection electric current), target interval the corresponding OCV of starting point,
The initial modeling electric current of target interval and the detection electric current calculate the starting point for obtaining the battery in the target interval
Impedance, finally according to the target current for obtaining each section according to the impedance and default mapping relations, and by the target in each section
Electric current is battery charging as the charging current in each section.
Further, referring to shown in Fig. 4, Fig. 4 be when the charging method provided through the embodiment of the present invention is charged not
With the corresponding charging current of SOC charging current corresponding with difference SOC when being charged according to existing ladder constant current charging method
Comparison diagram.As shown in figure 4, after multiple periods of charging repeatedly, capacity of the charging modes provided in an embodiment of the present invention to battery
Conservation rate and analysis lithium situation are better than existing ladder constant current charging method.
Yet another embodiment of the invention provides a kind of terminal device, specifically, referring to Figure 5, the terminal device 500 packet
It includes:
Impedance acquiring unit 51, it is described for obtaining the battery of the terminal device in the impedance of the starting point of target interval
Target interval is in n section being divided into according to a charge cycle of the state of charge SOC to the battery
One section, n are the integer more than or equal to 2；
Electric current acquiring unit 52, the impedance and default mapping relations for being obtained according to the impedance acquiring unit obtain
Target current is taken, the default mapping relations include the mapping relations of the impedance and the target current；
Charhing unit 53, for being the battery using the target current as charging current in the target interval
Charging.
Optionally, the impedance acquiring unit is also used to the SOC- open-circuit voltage OCV curve according to SOC to the battery
Division obtains n section.
Optionally, the impedance acquiring unit 51 is inputted specifically for the starting point in the target interval to the battery
Detect electric current；The output voltage of the battery, the starting point of the target interval are corresponding when the detection electric current according to input
OCV, the initial modeling electric current of the target interval and the detection electric current, which calculate, obtains the battery in the target interval
Starting point impedance.
Optionally, the impedance acquiring unit 51, the battery is defeated when specifically for the detection electric current according to input
Out voltage, the corresponding OCV of starting point of the target interval, the initial modeling electric current of the target interval, the detection electric current with
And target formula obtains the battery in the impedance of the starting point of target interval；
The target formula are as follows: Rn=(Vbat-OCVn)/(IDetection-In)；
Wherein, RnImpedance for the battery in the starting point of the target interval, VbatTo input the detection electric current when institute
State the output voltage of battery, OCVnThe starting point of the target interval corresponding OCV, IDetectionFor the detection electric current, InFor the mesh
Mark the initial modeling electric current in section.
Optionally, the default mapping relations include the functional relation of the impedance and the target current.
Terminal device provided in an embodiment of the present invention, first resistance of the battery of acquisition terminal device in the starting point of target interval
It is anti-, target current is then obtained according to the impedance and default mapping relations, finally in the target interval, by the target
Electric current is battery charging as charging current, since the embodiment of the present invention is to be retrieved as electricity according to the impedance of battery itself
The electric current of pond charging, therefore can be the impedance variations with battery of the charging current property of can adapt to of battery charging, thus
Charging process of the battery in target interval is avoided to occur abnormal；Again because the target interval is according to SOC pairs of state of charge
The section in n section that one charge cycle of the battery is divided into, so terminal device is according to upper
State each of the n section that charging modes are divided into section charging, and then avoid battery avoid battery entire
Charge cycle occurs abnormal.Since the embodiment of the present invention is the charging current that battery is arranged according to the impedance of battery itself
, therefore the embodiment of the present invention can solve and identical charging modes are applied on all batteries of batch production and may be led
Some batteries are caused to occur abnormal problem during the charging process.
A kind of hardware structural diagram of terminal device of the embodiment of Fig. 6 to realize the present invention, the terminal device include
But be not limited to: radio frequency unit 101, network module 102, audio output unit 103, input unit 104, sensor 105, display are single
The components such as member 106, user input unit 107, interface unit 108, memory 109, processor 110 and power supply 111.This field
Technical staff is appreciated that terminal device structure shown in Fig. 6 does not constitute the restriction to terminal device, and terminal device can be with
Including perhaps combining certain components or different component layouts than illustrating more or fewer components.In the embodiment of the present invention
In, terminal device includes but is not limited to mobile phone, tablet computer, laptop, palm PC, car-mounted terminal, wearable device
And pedometer etc..
Wherein, processor 110, it is described for obtaining the battery of the terminal device in the impedance of the starting point of target interval
Target interval is in n section being divided into according to a charge cycle of the state of charge SOC to the battery
One section, n are the integer more than or equal to 2；
Processor 110 is also used to obtain target current according to the impedance and default mapping relations, and the default mapping is closed
System includes the mapping relations of the impedance and the target current；
Power supply 111, for being that the battery fills using the target current as charging current in the target interval
Electricity.
Terminal device provided in an embodiment of the present invention, first resistance of the battery of acquisition terminal device in the starting point of target interval
It is anti-, target current is then obtained according to the impedance and default mapping relations, finally in the target interval, by the target
Electric current is battery charging as charging current, since the embodiment of the present invention is to be retrieved as electricity according to the impedance of battery itself
The electric current of pond charging, therefore can be the impedance variations with battery of the charging current property of can adapt to of battery charging, thus
Charging process of the battery in target interval is avoided to occur abnormal；Again because the target interval is according to SOC pairs of state of charge
The section in n section that one charge cycle of the battery is divided into, so terminal device is according to upper
State each of the n section that charging modes are divided into section charging, and then avoid battery avoid battery entire
Charge cycle occurs abnormal.Since the embodiment of the present invention is the charging current that battery is arranged according to the impedance of battery itself
, therefore the embodiment of the present invention can solve and identical charging modes are applied on all batteries of batch production and may be led
Some batteries are caused to occur abnormal problem during the charging process.
It should be understood that the embodiment of the present invention in, radio frequency unit 101 can be used for receiving and sending messages or communication process in, signal
Send and receive, specifically, by from base station downlink data receive after, to processor 110 handle；In addition, by uplink
Data are sent to base station.In general, radio frequency unit 101 includes but is not limited to antenna, at least one amplifier, transceiver, coupling
Device, low-noise amplifier, duplexer etc..In addition, radio frequency unit 101 can also by wireless communication system and network and other set
Standby communication.
Terminal device provides wireless broadband internet by network module 102 for user and accesses, and such as user is helped to receive
It sends e-mails, browse webpage and access streaming video etc..
Audio output unit 103 can be received by radio frequency unit 101 or network module 102 or in memory 109
The audio data of storage is converted into audio signal and exports to be sound.Moreover, audio output unit 103 can also provide and end
The associated audio output of specific function (for example, call signal receives sound, message sink sound etc.) that end equipment executes.
Audio output unit 103 includes loudspeaker, buzzer and receiver etc..
Input unit 104 is for receiving audio or video signal.Input unit 104 may include graphics processor
(Graphics Processing Unit, GPU) 1041 and microphone 1042, graphics processor 1041 is in video acquisition mode
Or the image data of the static images or video obtained in image capture mode by image capture apparatus (such as camera) carries out
Reason.Treated, and picture frame may be displayed on display unit 106.Through graphics processor 1041, treated that picture frame can be deposited
Storage is sent in memory 109 (or other storage mediums) or via radio frequency unit 101 or network module 102.Mike
Wind 1042 can receive sound, and can be audio data by such acoustic processing.Treated audio data can be
The format output that mobile communication base station can be sent to via radio frequency unit 101 is converted in the case where telephone calling model.
Terminal device further includes at least one sensor 105, such as optical sensor, motion sensor and other sensings
Device.Specifically, optical sensor includes ambient light sensor and proximity sensor, wherein ambient light sensor can be according to environment light
The light and shade of line adjusts the brightness of display panel 1061, and proximity sensor can close display when terminal device is moved in one's ear
Panel 1061 and/or backlight.As a kind of motion sensor, accelerometer sensor can detect (generally three in multiple directions
Axis) acceleration size, can detect that size and the direction of gravity when static, it is (such as horizontal to can be used to identify terminal device posture
Vertical screen switching, dependent game, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, tap) etc.；Sensor
105 can also include fingerprint sensor, pressure sensor, iris sensor, molecule sensor, gyroscope, barometer, humidity
Meter, thermometer, infrared sensor etc., details are not described herein.
Display unit 106 is for showing information input by user or being supplied to the information of user.Display unit 106 can wrap
Display panel 1061 is included, liquid crystal display (Liquid Crystal Display, LCD), Organic Light Emitting Diode can be used
Forms such as (Organic Light-Emitting Diode, OLED) configure display panel 1061.
User input unit 107 can be used for receiving the number of input or character information and generate and the user of terminal device
Setting and the related key signals input of function control.Specifically, user input unit 107 include touch panel 1071 and its
His input equipment 1072.Touch panel 1071, also referred to as touch screen collect the touch operation (ratio of user on it or nearby
Such as user is using finger, stylus any suitable object or attachment on touch panel 1071 or near touch panel 1071
Operation).Touch panel 1071 may include both touch detecting apparatus and touch controller.Wherein, touch detecting apparatus
The touch orientation of user is detected, and detects touch operation bring signal, transmits a signal to touch controller；Touch controller
Touch information is received from touch detecting apparatus, and is converted into contact coordinate, then gives processor 110, receives processor
110 orders sent simultaneously are executed.Furthermore, it is possible to using multiple types such as resistance-type, condenser type, infrared ray and surface acoustic waves
Type realizes touch panel 1071.In addition to touch panel 1071, user input unit 107 can also include other input equipments
1072.Specifically, other input equipments 1072 can include but is not limited to physical keyboard, function key (such as volume control button,
Switch key etc.), trace ball, mouse, operating stick, details are not described herein.
Further, touch panel 1071 can be covered on display panel 1061, when touch panel 1071 is detected at it
On or near touch operation after, send processor 110 to determine the type of touch event, be followed by subsequent processing device 110 according to touching
The type for touching event provides corresponding visual output on display panel 1061.Although in Fig. 6, touch panel 1071 and display
Panel 1061 is the function that outputs and inputs of realizing terminal device as two independent components, but in some embodiments
In, can be integrated by touch panel 1071 and display panel 1061 and realize the function that outputs and inputs of terminal device, it is specific this
Place is without limitation.
Interface unit 108 is the interface that external device (ED) is connect with terminal device.For example, external device (ED) may include it is wired or
Wireless head-band earphone port, external power supply (or battery charger) port, wired or wireless data port, memory card port,
For connecting port, the port audio input/output (I/O), video i/o port, ear port of the device with identification module
Etc..Interface unit 108 can be used for receiving the input (for example, data information, electric power etc.) from external device (ED) and will
The one or more elements or can be used in terminal device and external device (ED) that the input received is transferred in terminal device
Between transmit data.
Memory 109 can be used for storing software program and various data.Memory 109 can mainly include storing program area
The storage data area and, wherein storing program area can (such as the sound of application program needed for storage program area, at least one function
Sound playing function, image player function etc.) etc.；Storage data area can store according to mobile phone use created data (such as
Audio data, phone directory etc.) etc..In addition, memory 109 may include high-speed random access memory, it can also include non-easy
The property lost memory, a for example, at least disk memory, flush memory device or other volatile solid-state parts.
Processor 110 is the control centre of terminal device, utilizes the more of various interfaces and the entire terminal device of connection
A part is stored in memory by running or executing the software program being stored in memory 109 and/or module and call
Data in 109 execute the various functions and processing data of terminal device, to carry out integral monitoring to terminal device.Processing
Device 110 may include one or more processing units；Preferably, processor 110 can integrate application processor and modulation /demodulation processing
Device, wherein the main processing operation system of application processor, user interface and application program etc., modem processor is mainly located
Reason wireless communication.It is understood that above-mentioned modem processor can not also be integrated into processor 110.
Terminal device can also include the power supply 111 (such as battery) powered to multiple components, it is preferred that power supply 111 can
With by power-supply management system and processor 110 it is logically contiguous, thus by power-supply management system realize management charge, electric discharge with
And the functions such as power managed.
In addition, terminal device includes some unshowned functional modules, details are not described herein.
The embodiment of the present invention also provides a kind of computer readable storage medium, and meter is stored on computer readable storage medium
Calculation machine program, the computer program realize multiple processes of charging method described in above-described embodiment one when being executed by processor,
And identical technical effect can be reached, to avoid repeating, which is not described herein again.Wherein, computer readable storage medium, such as only
Read memory (Read-Only Memory, abbreviation ROM), random access memory (Random Access Memory, abbreviation
RAM), magnetic or disk etc..
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or the device that include a series of elements not only include those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or device institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to do
There is also other identical elements in the process, method of element, article or device.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can be realized by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on this understanding, technical solution of the present invention substantially in other words does the prior art
The part contributed out can be embodied in the form of software products, which is stored in a storage medium
In (such as ROM/RAM, magnetic disk, CD), including some instructions are used so that a terminal (can be mobile phone, computer, service
Device, air conditioner or network side equipment etc.) execute method described in various embodiments of the present invention.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited to above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form belongs within protection of the invention.
Claims (10)
1. a kind of charging method, which is characterized in that be applied to terminal device, which comprises
The battery of the terminal device is obtained in the impedance of the starting point of target interval, the target interval is according to state of charge
The section in n section that SOC is divided into a charge cycle of the battery, n are more than or equal to 2
Integer；
Target current is obtained according to the impedance and default mapping relations, and the default mapping relations include the impedance and described
The mapping relations of target current；
It is battery charging using the target current as charging current in the target interval.
2. the method according to claim 1, wherein it is described according to SOC to a charge cycle of the battery
The method in n section being divided into includes:
It divides to obtain n section according to SOC- open-circuit voltage OCV curve of the SOC to the battery.
3. according to the method described in claim 2, it is characterized in that, the battery for obtaining the terminal device is in target interval
Starting point impedance, comprising:
Detection electric current is inputted to the battery in the starting point of the target interval；
According to the output voltage of battery when inputting the detection electric current, the corresponding OCV of starting point, described of the target interval
The initial modeling electric current of target interval and the detection electric current calculate the starting point for obtaining the battery in the target interval
Impedance.
4. according to the method described in claim 3, it is characterized in that, described according to battery when inputting the detection electric current
Output voltage, the corresponding OCV of starting point of the target interval, the initial modeling electric current of the target interval and detection electricity
Stream calculation obtains the battery in the impedance of the starting point of the target interval, comprising:
According to the output voltage of battery when inputting the detection electric current, the corresponding OCV of starting point, described of the target interval
The initial modeling electric current of target interval, the detection electric current and target formula obtain the battery in the starting point of target interval
Impedance；
The target formula are as follows: Rn=(Vbat-OCVn)/(IDetection-In)；
Wherein, RnImpedance for the battery in the starting point of the target interval, VbatElectricity when to input the detection electric current
The output voltage in pond, OCVnThe starting point of the target interval corresponding OCV, IDetectionFor the detection electric current, InFor the target area
Between initial modeling electric current.
5. method according to any one of claims 1 to 4, which is characterized in that the default mapping relations include the resistance
Anti- and the target current functional relation.
6. a kind of terminal device characterized by comprising
Impedance acquiring unit, for obtaining the battery of the terminal device in the impedance of the starting point of target interval, the target area
Between for an area in n section being divided into according to a charge cycle of the state of charge SOC to the battery
Between, n is the integer more than or equal to 2；
Electric current acquiring unit, the impedance and default mapping relations for being obtained according to the impedance acquiring unit obtain target
Electric current, the default mapping relations include the mapping relations of the impedance and the target current；
Charhing unit, for being battery charging using the target current as charging current in the target interval.
7. terminal device according to claim 6, which is characterized in that
The impedance acquiring unit is also used to divide to obtain according to SOC- open-circuit voltage OCV curve of the SOC to the battery n
Section.
8. terminal device according to claim 7, which is characterized in that
The impedance acquiring unit inputs detection electric current to the battery specifically for the starting point in the target interval；According to
Input the corresponding OCV of starting point, the target interval of the output voltage of the battery, the target interval when detection electric current
Initial modeling electric current and the detection electric current calculate the impedance for obtaining the starting point of the battery in the target interval.
9. terminal device according to claim 8, which is characterized in that
The impedance acquiring unit, output voltage, the mesh of the battery when specifically for the detection electric current according to input
The corresponding OCV of starting point in section, the initial modeling electric current of the target interval, the detection electric current and target formula is marked to obtain
Impedance of the battery in the starting point of target interval；
The target formula are as follows: Rn=(Vbat-OCVn)/(IDetection-In)；
Wherein, RnImpedance for the battery in the starting point of the target interval, VbatElectricity when to input the detection electric current
The output voltage in pond, OCVnThe starting point of the target interval corresponding OCV, IDetectionFor the detection electric current, InFor the target area
Between initial modeling electric current.
10. according to the described in any item terminal devices of claim 6-9, which is characterized in that the default mapping relations include institute
State the functional relation of impedance and the target current.
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