CN106329593A - Charging method and device adaptive to chargers with different power - Google Patents
Charging method and device adaptive to chargers with different power Download PDFInfo
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- CN106329593A CN106329593A CN201510374959.6A CN201510374959A CN106329593A CN 106329593 A CN106329593 A CN 106329593A CN 201510374959 A CN201510374959 A CN 201510374959A CN 106329593 A CN106329593 A CN 106329593A
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- charging current
- charger
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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
- 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
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention provides a charging method and device adaptive to chargers with different power. The method comprises the steps as follows: one charger is controlled to charge a battery of a mobile terminal according to charge current I<N>, N is a positive integer, an initial value of the N is 1 and the charge current I<1> is preset minimum charge current; stable output voltage V<N> output by the charger during charging according to the charge current I<N> is read; if the output voltage V<N> is greater than preset safe voltage, the charge current I<N> is added to a preset first current value to obtain the charge current I<N+1> and N=N+1; the step of controlling the charger to charge the battery of the mobile terminal according to the charge current I<N> is executed; and if the output voltage V<N> is smaller than or equal to the preset safe voltage, the optimal charge current is determined according to the charge current I<N> and the charger is controlled to charge the battery according to the optimal charge current. By the method and the device, adjustment on the charge current can be effectively achieved and the damage due to the fact that the chargers with different charge power charge the mobile terminal is avoided.
Description
Technical field
The present invention relates to equipment charge field, particularly relate to filling of a kind of self adaptation different capacity charger
Method for electrically and device.
Background technology
Along with science and technology development, mobile phone, PAD (Personal Digital Assistant, palm PC),
The mobile terminals such as panel computer, as fast-selling electronic product, have spread in various crowd, and have been
Thering is provided electric energy to mobile terminal, charger is the requisite accessory of mobile terminal.
Existing to mobile terminal charging charger in, exist multiple different capacity charger (as
5V/1A, 5V/2A, etc.), although charge power is different, but mobile terminal is entered by these chargers
The interface of row charging is all consistent, therefore the filling of the entirely possible use of user and this mobile terminal standard configuration
This mobile terminal is charged by inconsistent other charger of electrical equipment charge power.But, if used
The charger charging power that family uses is more than the charge power of the charger of standard configuration, due to charging current relatively
Greatly, it is likely that cause battery-heating, cell damage, even mobile terminal to damage in charging process
Etc. problem.Therefore, how to use different charger that mobile terminal is carried out safe charging, be urgently to solve
Problem certainly.
Summary of the invention
In view of this, the present invention provides charging method and the device of a kind of self adaptation different capacity charger,
For solving the electricity that mobile terminal charging is brought by the charger using different charge power in prior art
The problem such as pond heating, cell damage, even mobile terminal damage.
The embodiment of the present invention provides the charging method of a kind of self adaptation different capacity charger, including:
Control charger according to charging current INBeing charged the battery of mobile terminal, wherein, N is
Positive integer, the initial value of N is 1, charging current I1For preset minimum charge current；
Read described charger according to described charging current INThe stable output voltage of output during charging
VN；
If described output voltage VNMore than preset safe voltage, then by described charging current INWith preset
First current value be added, obtain charging current IN+1, and make N=N+1, return and perform described control
Charger is according to charging current INThe step that the battery of mobile terminal is charged；
If described output voltage VNLess than or equal to described safe voltage, then according to described charging current IN
Determine optimum charging current, and control described charger according to described optimum charging current to described battery
It is charged.
Further, if described output voltage VNLess than or equal to described safe voltage, then basis
Described charging current INDetermine optimum charging current, and control described charger according to described optimum charging
Described battery is charged by electric current, including:
If described output voltage VNEqual to described safe voltage, it is determined that described charging current INFor optimum
Charging current, and control described charger according to described charging current INDescribed battery is charged；
If described output voltage VNIt is more than 1, it is determined that described charged electrical less than described safe voltage and N
Stream INIt is optimum charging current with the difference of described first current value, and controls described charger according to institute
State optimum charging current described battery is charged；
If described output voltage V1It is equal to 1, it is determined that do not fill described less than described safe voltage and N
Electricity electric current I1It is adjusted.
Further, the described charger of described reading is according to described charging current INOutput during charging
Stable output voltage VN, including:
According to preset time interval, described charger is being exported described charging current INTime output electricity
Pressure carries out m sampling, obtains m sampling and outputting voltage, and m is positive integer；
Calculate the meansigma methods of described m sampling and outputting voltage, using described meansigma methods as described stable
Output voltage VN。
The embodiment of the present invention provides the charging device of a kind of self adaptation different capacity charger, including:
Control module, is used for controlling charger according to charging current INThe battery of mobile terminal is filled
Electricity, wherein, N is positive integer, and the initial value of N is 1, charging current I1For preset minimum charged electrical
Stream；
Read module, is used for reading described charger according to described charging current INOutput during charging
Stable output voltage VN；
Increase and return module, if for described output voltage VNMore than preset safe voltage, then will
Described charging current INIt is added with the first preset current value, obtains charging current IN+1, and make N=N+1,
Return and perform control module；
Determine module, if for described output voltage VNLess than or equal to described safe voltage, then basis
Described charging current INDetermine optimum charging current, and control described charger according to described optimum charging
Described battery is charged by electric current.
Further, described determine that module includes:
First determines module, if for described output voltage VNEqual to described safe voltage, it is determined that institute
State charging current INFor optimum charging current, and control described charger according to described charging current INRight
Described battery is charged；
Second determines module, if for described output voltage VNIt is more than 1 less than described safe voltage and N,
Then determine described charging current INIt is optimum charging current with the difference of described first current value, and controls
Described battery is charged by described charger according to described optimum charging current；
Described second determines module, if being additionally operable to described output voltage V1Less than described safe voltage and N
Equal to 1, it is determined that not to described charging current I1It is adjusted.
Further, described read module includes:
Sampling module, for exporting described charged electrical according to preset time interval to described charger
Stream INTime output voltage carry out m time sampling, obtain m sampling and outputting voltage, m is positive integer；
Computing module, for calculating the meansigma methods of described m sampling and outputting voltage, by described meansigma methods
As described stable output voltage VN。
The embodiment of the present invention provides the charging device of a kind of self adaptation different capacity charger, described device
For mobile terminal, including:
Central processor CPU, micro-control unit MCU, battery and charging inlet；
Described charging inlet, for being connected with the output interface of described charger；
Described CPU, is used for controlling charger according to charging current INThe described battery of mobile terminal is entered
Row charging, wherein, N is positive integer, and the initial value of N is 1, charging current I1Fill for preset minimum
Electricity electric current；
Described MCU, is used for reading described charger according to described charging current INOutput during charging
Stable output voltage VN, and feed back to described CPU；
Described CPU, if being additionally operable to described output voltage VNMore than preset safe voltage, then by described
Charging current INIt is added with the first preset current value, obtains charging current IN+1, and make N=N+1,
Return and perform described control charger according to charging current INThe step that the battery of mobile terminal is charged
Suddenly, if described output voltage VNLess than or equal to described safe voltage, then according to described charging current IN
Determine optimum charging current, and control described charger according to described optimum charging current to described battery
It is charged.
Further, described device also includes:
Micro-control unit MCU, for recording the number of times of described battery charge or discharge, and by described
The number of times of battery charge or discharge is sent to described CPU；
Display screen, for receiving the number of times of the described battery charge or discharge that described CPU sends,
And show.
Further, described device also includes:
Temperature sensor, for monitoring the temperature of described battery, and is sent to institute by the temperature monitored
State MCU so that described Temperature Feedback can be given described CPU by MCU；
Described CPU, is additionally operable to adjust described charger according to described temperature and is charged described battery
Charging current or output voltage, or according to described temperature determine whether stop described battery is entered
Row charging.
Further, described MCU, it is additionally operable to according to described optimum charging current, described optimum charging
Output voltage that electric current is corresponding and charging interval, calculate described battery can capacity, and feed back to
Described CPU；
Described CPU, be additionally operable to control described display screen show described battery can capacity；
Described display screen, be additionally operable to show described battery can capacity.
Charging method according to the self adaptation different capacity charger in above-described embodiment and device, pass through
The burning voltage that charger exports is compared with safe voltage, by the charger that battery charges
Charging current starts to step up from preset minimum charge current, enabling determines and is charged
Optimum charging current, to realize the adjustment to charging current, it is adaptable to use the charger of different capacity
The situation that mobile terminal is charged, it is possible to the charging of relatively high power in effective solution prior art
Device is charged the various problems brought to mobile terminal.
For the above and other objects, features and advantages of the present invention can be become apparent, cited below particularly
Preferred embodiment, and coordinate institute's accompanying drawings, it is described in detail below.
Accompanying drawing explanation
The charging side of a kind of self adaptation different capacity charger that Fig. 1 provides for first embodiment of the invention
The flow chart of method；
The charging side of a kind of self adaptation different capacity charger that Fig. 2 provides for second embodiment of the invention
The flow chart of method；
The charging dress of a kind of self adaptation different capacity charger that Fig. 3 provides for third embodiment of the invention
The structural representation put；
The charging dress of a kind of self adaptation different capacity charger that Fig. 4 provides for fourth embodiment of the invention
The structural representation put；
The charging dress of a kind of self adaptation different capacity charger that Fig. 5 provides for fifth embodiment of the invention
The structural representation put.
Detailed description of the invention
By further illustrating the technological means and merit that the present invention taked by realizing predetermined goal of the invention
Effect, below in conjunction with accompanying drawing and preferred embodiment, to according to the detailed description of the invention of the present invention, structure,
Feature and effect thereof, after describing in detail such as.
In embodiments of the present invention, mobile terminal generally refers to smart mobile phone, panel computer, electronics are read
Read device etc. electronic equipment.
First embodiment
Referring to Fig. 1, first embodiment of the invention provides filling of a kind of self adaptation different capacity charger
Method for electrically, the method includes:
Step 101, control charger are according to charging current INThe battery of mobile terminal is charged,
Wherein, N is positive integer, and the initial value of N is 1, charging current I1For preset minimum charge current；
It is to be appreciated that the current output interface of the charging inlet of mobile terminal and charger is connected, when
After the plug of charger is connected with socket, mobile terminal starts to control charger in mobile terminal
Battery is charged.
Mobile terminal controls charger according to charging current INThe battery of mobile terminal is charged, its
In, N is positive integer, and the initial value of N is 1, and charging current I1For preset minimum charge current.
Therefore, mobile terminal start to control charger battery is charged time, initial charging current is i.e.
For the minimum charge current that this is preset.
During it should be noted that charging starts, mobile terminal utilizes minimum charge current to carry out battery
Charging, it is possible to be prevented effectively from because charging current is excessive or charging current the most quickly increases
The infringement that battery in mobile terminal is brought.
Wherein, this minimum charge current can be arranged as required to, if charger is each on such as market
Plant charging current in charge power and in the range of 100mA (milliampere)～2A (ampere), then shifting can be set
In dynamic terminal, preset minimum charge current is 100mA, it should be noted that in actual applications,
Can be configured according to practical situation, not limit.
Step 102, reading charger are according to charging current INThe stable output electricity of output during charging
Pressure VN；
If step 103 output voltage VNMore than preset safe voltage, then by charging current INWith in advance
The first current value put is added, and obtains charging current IN+1, and make N=N+1, it is then back to step 101；
If step 104 output voltage VNLess than or equal to safe voltage, then according to charging current INReally
Fixed optimum charging current, and control charger and according to optimum charging current, battery is charged.
Mobile terminal is controlling charger according to charging current INBattery in this mobile terminal is filled
While electricity, read charger according to charging current INThe stable output of output in the case of charging
Voltage VN；Then, according to this output voltage VN, to charging current INIt is adjusted.
On the one hand, if mobile terminal read output voltage VNMore than preset safe voltage, then move
Terminal is by charging current INIt is added with the first preset current value, obtains charging current IN+1, and make
N=N+1, is then back to perform the content in step 101.
It is to be appreciated that the output voltage V read at mobile terminalNFeelings more than preset safe voltage
Under condition, charging current I is describedNCan increase, by increasing charging current INCan accelerate battery is filled
The speed of electricity, it is ensured that the charge efficiency of charger.
On the other hand, if mobile terminal read output voltage VNLess than or equal to preset safe voltage,
Then mobile terminal is according to charging current INDetermine optimum charging current, and control charger and fill according to optimum
Electricity current versus cell is charged.It is to be appreciated that use this optimum charging current that battery is filled
Electricity, not only can ensure that the speed to battery charging and the charge efficiency of charger, and can be effective
The battery-heating brought more greatly because of charging current, cell damage, even mobile terminal damage etc. are avoided to ask
Topic.
Wherein, safe voltage is charger when being charged the battery in mobile terminal, mobile terminal
The safe voltage of battery.This safe voltage specifically refers to: the magnitude of voltage of charger is for being moved
During the minimum amount of voltage that of terminal recognition, the voltage of the battery of this mobile terminal.It should be noted that it is right
In the battery that different mobile terminals is adaptive, safe voltage is relevant with battery, in most of the cases,
Safe voltage is any voltage value in the range of 4.4V (volt)～4.5V, in actual applications
Can be determined according to specific circumstances, the most concrete numerical value of safe voltage not limited
Fixed.
It is to be appreciated that the first current value electric current for adjusting charging current that to be mobile terminal preset
Value, and " first " in " the first current value " be only used for distinguishing this current value with other current value not
Equally, the concrete numerical value of this current value is not caused restriction.Further, the first current value is permissible
It is 50mA or 100mA.
Charging method in above-described embodiment, is initially controlled charger and uses preset by mobile terminal
The battery of mobile terminal is charged by minimum charge current, simultaneously gather charger charging time defeated
Go out voltage, and the charging that charger is exported by comparison based on this output voltage Yu preset safe voltage
Electric current is adjusted, and i.e. in the case of output voltage is more than safe voltage, is stepped up charging current
Value, until the output voltage of charger is less than or equal to safe voltage, and be less than according to output voltage
Or determine optimum charging current equal to the charging current of charger during safe voltage, and control charger and press
According to this optimum charging current, the battery of mobile terminal is charged, it is possible to effectively realize charged electrical
The adjustment of stream, it is to avoid cause the most greatly battery-heating, cell damage, even mobile terminal because of charging current
The problems such as damage.
Second embodiment
Referring to Fig. 2, second embodiment of the invention provides filling of a kind of self adaptation different capacity charger
Method for electrically, the method includes:
Step 201, control charger are according to charging current INThe battery of mobile terminal is charged,
Wherein, N is positive integer, and the initial value of N is 1, charging current I1For preset minimum charge current；
It is to be appreciated that the current output interface of the charging inlet of mobile terminal and charger is connected, when
After the plug of charger is connected with socket, mobile terminal starts to control charger in mobile terminal
Battery is charged.
Mobile terminal controls charger according to charging current INThe battery of mobile terminal is charged, its
In, N is positive integer, and the initial value of N is 1, and charging current I1For preset minimum charge current.
Therefore, mobile terminal start to control charger battery is charged time, initial charging current is i.e.
For the minimum charge current that this is preset.
During it should be noted that charging starts, mobile terminal utilizes minimum charge current to carry out battery
Charging, it is possible to be prevented effectively from the most quickly increase because of charging current and to the electricity in mobile terminal
The infringement that pond is brought.
Wherein, this minimum charge current can be arranged as required to, if charger is each on such as market
In kind charge power, charging current is in the range of 100mA～2A, then preset in can arranging mobile terminal
Minimum charge current is 100mA, it should be noted that in actual applications, and can be according to practical situation
It is configured, does not limits.
Step 202, according to preset time interval to charger output charging current INTime output
Voltage carries out m sampling, obtains m sampling and outputting voltage, and m is positive integer；
Step 203, calculate the meansigma methods of m sampling and outputting voltage, using meansigma methods as stable defeated
Go out voltage VN；
Specifically, mobile terminal is controlling charger according to charging current INThe battery of mobile terminal is entered
While row charging, according to preset time interval to charger in charging current INIn the case of output
Voltage carries out m sampling, to obtain m sampling and outputting voltage, and calculates this m sampling output electricity
The meansigma methods of pressure, is then I using this meansigma methods as the charging current of chargerNTime stable output
Voltage VN。
Wherein, m is positive integer, this preset time interval can be interval 1s (second) or
Every 2s, in actual applications, concrete numerical value and this time interval of m all can be arranged as the case may be,
Do not limit.
In other embodiments, it is also possible to be after output voltage tends towards stability, re-sampling output
Voltage, and calculate the meansigma methods of sampling and outputting voltage, then using this meansigma methods as the charging of charger
Electric current is INTime stable output voltage VN。
If step 204 output voltage VNMore than preset safe voltage, then by charging current INWith in advance
The first current value put is added, and obtains charging current IN+1, and make N=N+1, it is then back to perform step
Rapid 201；
If step 205 output voltage VNEqual to safe voltage, it is determined that charging current INFill for optimum
Electricity electric current, and control charger according to charging current INBattery is charged；
If step 206 output voltage VNIt is more than 1, it is determined that charging current less than safe voltage and N
INIt is optimum charging current with the difference of the first current value, and controls charger according to optimum charging current
Battery is charged；
If step 207 output voltage V1It is equal to 1, it is determined that not to charging less than safe voltage and N
Electric current I1It is adjusted.
Mobile terminal is reading when charger is according to charging current INWhen being charged, this charger is steady
Fixed output voltage VNAfterwards, based on this output voltage VNAnd the magnitude relationship pair between safe voltage
Output electric current INIt is adjusted, to obtain optimum charging current.
Specifically, as the output voltage V that mobile terminal readsNDuring more than preset safe voltage, then will
Charging current INIt is added with the first preset current value, obtains charging current IN+1, and make N=N+1,
Return and perform step 201.
As the output voltage V that mobile terminal readsNDuring equal to preset safe voltage, it is determined that charged electrical
Stream INFor optimum charging current, and control charger according to charging current INBattery is charged.
As the output voltage V that mobile terminal readsNWhen being more than 1 less than preset safe voltage and N, then
Determine charging current INBe optimum charging current with the difference of the first current value, and control charger according to
Battery is charged by optimum charging current, is i.e. charged battery according to this difference.
As the output voltage V that mobile terminal readsNWhen being equal to 1 less than preset safe voltage and N, then
Determine not to charging current I1It is adjusted, controls charger still according to charging current I1Battery is carried out
Charging.
It should be noted that the first current value can be a fixed value, it is also possible to be as charged electrical
The increasing number of times of stream and the value that changes, such as: mobile terminal increases charging current at the 1st to the 3rd time
Time, increasing 200mA every time, mobile terminal is when the 4th to the 6th time increases charging current, every time
Increasing 100mA, mobile terminal, when the 7th time and 7 charging currents added above, increases every time
50mA, by being gradually reduced the current value of increase, can make the optimum charging current obtained the most close
The charging current of charger when output voltage is equal to safe voltage so that can not only be filled by adjustment
The problem that electricity electric current is avoided too greatly battery and mobile terminal being brought infringement because of charging current, additionally it is possible to the greatest extent
Measure and fast complete charging process, it is ensured that the charge efficiency of charger.
Additionally, the first current value can also be relevant with the difference between output voltage and safe voltage, i.e.
Along with the difference between output voltage and safe voltage is gradually reduced, and it is gradually reduced filling of increase every time
The value of electricity electric current, can also obtain more accurate optimum charging current equally.
Charging method in above-described embodiment, is initially controlled charger and uses preset by mobile terminal
The battery of mobile terminal is charged by minimum charge current, simultaneously by calculating the sampling that sampling obtains
The meansigma methods of output voltage determines the output voltage that charger is stable when charging, and based on by this output
Voltage and preset safe voltage compare the result of acquisition, flow to the charged electrical of charger output
Row sum-equal matrix, i.e. in the case of output voltage is more than safe voltage, is stepped up the value of charging current,
Until the output voltage of charger is less than or equal to safe voltage, and at output voltage equal to safe voltage
In the case of, determine that the charging current corresponding with this output voltage, for optimum charging current, is exporting electricity
Pressure, less than in the case of safe voltage, determines charging current and the first current value that this output voltage is corresponding
Difference be optimum charging current, and control charger according to this optimum charging current to mobile terminal
Battery is charged, it is possible to effectively realize the adjustment to charging current, it is to avoid because charging current is the biggest
Cause the problem such as battery-heating, cell damage, even mobile terminal damage.
3rd embodiment
In embodiment of the present invention charging device is explained below, and this charging device is mobile terminal or shifting
The members of dynamic terminal inner, refers to Fig. 3, and third embodiment of the invention provides a kind of self adaptation
The charging device of different capacity charger, this device includes:
Control module 301, is used for controlling charger according to charging current INThe battery of mobile terminal is entered
Row charging, wherein, N is positive integer, and the initial value of N is 1, charging current I1Fill for preset minimum
Electricity electric current；
Read module 302, is used for reading this charger according to this charging current INOutput during charging
Stable output voltage VN；
Increase and return module 303, if for this output voltage VNMore than preset safe voltage, then
By this charging current INIt is added with the first preset current value, obtains charging current IN+1, and make N=N+1,
Return and perform control module；
Determine module 304, if for this output voltage VNLess than or equal to this safe voltage, then basis
This charging current INDetermine optimum charging current, and control this charger according to this optimum charging current pair
This battery is charged.
Realize other details of technical scheme about the modules in above-mentioned charging device, refer to
Description in one embodiment and the second embodiment, here is omitted.
Charging device in above-described embodiment, is initially controlled charger and uses preset by mobile terminal
The battery of mobile terminal is charged by minimum charge current, simultaneously gather charger charging time defeated
Go out voltage, and the charging that charger is exported by comparison based on this output voltage Yu preset safe voltage
Electric current is adjusted, and i.e. in the case of output voltage is more than safe voltage, is stepped up charging current
Value, until the output voltage of charger is less than or equal to safe voltage, and be less than according to output voltage
Or determine optimum charging current equal to the charging current of charger during safe voltage, and control charger and press
According to this optimum charging current, the battery of mobile terminal is charged, it is possible to effectively realize charged electrical
The adjustment of stream, it is to avoid cause the most greatly battery-heating, cell damage, even mobile terminal because of charging current
The problems such as damage.
4th embodiment
Referring to Fig. 4, fourth embodiment of the invention provides filling of a kind of self adaptation different capacity charger
Electric installation, this device includes:
Control module 401, is used for controlling charger according to charging current INThe battery of mobile terminal is entered
Row charging, wherein, N is positive integer, and the initial value of N is 1, charging current I1Fill for preset minimum
Electricity electric current；
Read module 402, is used for reading this charger according to this charging current INOutput during charging
Stable output voltage VN；
Increase and return module 403, if for this output voltage VNMore than preset safe voltage, then
By this charging current INIt is added with the first preset current value, obtains charging current IN+1, and make N=N+1,
Return and perform control module 401；
Determine module 404, if for this output voltage VNLess than or equal to this safe voltage, then basis
This charging current INDetermine optimum charging current, and control this charger according to this optimum charging current pair
This battery is charged.
Further, it is determined that module 404 includes:
First determines module 4041, if for this output voltage VNEqual to this safe voltage, it is determined that should
Charging current INFor optimum charging current, and control this charger according to this charging current INTo this battery
It is charged；
Second determines module 4042, if for this output voltage VNIt is more than 1 less than this safe voltage and N,
Then determine this charging current INIt is optimum charging current with the difference of this first current value, and controls this and fill
This battery is charged by electrical equipment according to this optimum charging current.
Second determines module 4042, if being additionally operable to this output voltage V1Less than this safe voltage and N etc.
In 1, it is determined that not to this charging current I1It is adjusted.
Further, read module 402 includes:
Sampling module 4021, for exporting this charged electrical according to preset time interval to this charger
Stream INTime output voltage carry out m time sampling, obtain m sampling and outputting voltage, m is positive integer；
Computing module 4022, for calculating the meansigma methods of this m sampling and outputting voltage, by this meansigma methods
As the output voltage V that this is stableN。
Wherein, any voltage value during this safe voltage is 4.4V to 4.5V.
Realize other details of technical scheme about the modules in above-mentioned charging device, refer to
Description in one embodiment and the second embodiment, here is omitted.
Charging device in above-described embodiment, is initially controlled charger and uses preset by mobile terminal
The battery of mobile terminal is charged by minimum charge current, simultaneously by calculating the sampling that sampling obtains
The meansigma methods of output voltage determines the output voltage that charger is stable when charging, and based on by this output
Voltage and preset safe voltage compare the result of acquisition, flow to the charged electrical of charger output
Row sum-equal matrix, i.e. in the case of output voltage is more than safe voltage, is stepped up the value of charging current,
Until the output voltage of charger is less than or equal to safe voltage, and at output voltage equal to safe voltage
In the case of, determine that the charging current corresponding with this output voltage, for optimum charging current, is exporting electricity
Pressure, less than in the case of safe voltage, determines charging current and the first current value that this output voltage is corresponding
Difference be optimum charging current, and control charger according to this optimum charging current to mobile terminal
Battery is charged, it is possible to effectively realize the adjustment to charging current, it is to avoid because charging current is the biggest
Cause the problem such as battery-heating, cell damage, even mobile terminal damage.
5th embodiment
Referring to Fig. 5, fifth embodiment of the invention provides filling of a kind of self adaptation different capacity charger
Electric installation, this charging device is mobile terminal, and this mobile terminal includes: memorizer 502, storage control
Device 504, central processing unit (Central Processing Unit, CPU) 506, Peripheral Interface 508,
Radio-frequency module 510, locating module 512, photographing module 514, audio-frequency module 516, display screen 518,
Key-press module 520, micro-control unit (Microcontroller Unit, MCU) 524 and battery 526,
Temperature sensor 528, charging inlet 530.These assemblies pass through one or more communication bus/holding wire
522 mutual communications.
Being specifically applied in the embodiment of the present invention, charging inlet 530 is for the output interface with charger
Connect；
Display screen 518, for showing the icon that current screen shows；
CPU506, is used for controlling charger according to charging current INThe battery of mobile terminal is filled
Electricity, wherein, N is positive integer, and the initial value of N is 1, and charging current I1For preset minimum charging
Electric current；
MCU524, is used for reading this charger according to this charging current INDuring charging, output stablizes
Output voltage VNThis charger is exporting this charging current INTime stable output voltage VN, and
Feed back to this CPU506；
CPU506, if being additionally operable to this output voltage VNMore than preset safe voltage, then by this charging
Electric current INIt is added with the first preset current value, obtains charging current IN+1, and make N=N+1, return
Perform this control charger according to charging current INThe step that the battery of mobile terminal is charged, if
This output voltage VNLess than or equal to this safe voltage, then according to this charging current INDetermine optimum charging
Electric current, and control this charger and according to this optimum charging current, this battery is charged.
Being appreciated that the structure shown in Fig. 5 is only signal, mobile terminal may also include than institute in Fig. 5
Show more or less assembly, or there is the configuration different from shown in Fig. 5.Shown in Fig. 5
Each assembly can use hardware, software or a combination thereof to realize.
Wherein, memorizer 502 can be used for storing software program and module, and CPU506 is deposited by operation
Store up the software program in memorizer 502 and module, thus perform the application of various function and data
Process, i.e. realize above-mentioned charging method.
Memorizer 502 can include high speed random access memory, may also include nonvolatile memory, such as one
Individual or multiple magnetic storage device, flash memory or other non-volatile solid state memories.At some
In example, memorizer 502 can farther include the memorizer remotely located relative to CPU506, this
A little remote memories can be connected to mobile terminal by network.The example of above-mentioned network includes but does not limits
In the Internet, intranet, LAN, mobile radio communication and combinations thereof.CPU506 and other
The access of memorizer 502 can be carried out under the control of storage control 504 by possible assembly.
Peripheral Interface 508 various input/output devices are coupled to CPU506 and memorizer 502 and
MCU524.Various softwares in CPU506 run memory 502, instruction are to perform mobile terminal
Various functions and carry out data process.
In certain embodiments, Peripheral Interface 508, CPU506 and storage control 504 can be
One single chip realizes.In some other example, they can be realized by independent chip respectively.
Radio-frequency module 510 is used for receiving and sending electromagnetic wave, it is achieved electromagnetic wave is mutual with the signal of telecommunication
Conversion, thus carry out communication with communication network or other equipment.Radio-frequency module 510 can include various
The existing component for performing these functions, such as, antenna, RF transceiver, numeral letter
Number processor, encryption/deciphering chip, subscriber identity module (SIM) card, memorizer etc..Radio frequency
Module 510 can carry out communication with various networks such as the Internet, intranet, wireless network or lead to
Cross wireless network and carry out communication with other equipment.Above-mentioned wireless network can include cellular telephone networks,
WLAN or Metropolitan Area Network (MAN).Above-mentioned wireless network can use various communication standard, agreement and
Technology, includes, but are not limited to global system for mobile communications (Global System for Mobile
Communication, GSM), enhancement mode mobile communication technology (Enhanced Data GSM
Environment, EDGE), Wideband CDMA Technology (wideband code division multiple
Access, W-CDMA), CDMA (Code division access, CDMA), time-division
Multiple access technology (time division multiple access, TDMA), bluetooth, adopting wireless fidelity technology
(Wireless, Fidelity, WiFi) is (such as IEEE-USA's standard IEEE
802.11a, IEEE 802.11b, IEEE802.11g and/or IEEE 802.11n), the networking telephone (Voice
Over internet protocal, VoIP), worldwide interoperability for microwave access (Worldwide Interoperability
For Microwave Access, Wi-Max), other for mail, instant messaging and the agreement of short message,
And any other suitable communications protocol, even can include those associations being developed the most not yet
View.
Locating module 512 is for obtaining the current location of mobile terminal.The example bag of locating module 512
Include but be not limited to GPS (GPS), based on WLAN or mobile radio communication
Location technology.
Photographing module 514 is used for shooting photo or video.Photo or the video of shooting can store
To memorizer 502, and can be sent by radio-frequency module 510.
Audio-frequency module 516 provides a user with audio interface, its can include one or more mike, one
Individual or multiple speaker and voicefrequency circuit.Voicefrequency circuit receives sound number at Peripheral Interface 508
According to, voice data is converted to electrical information, electrical information is transmitted to speaker.Speaker is by electrical information
Be converted to the sound wave that human ear can be heard.Voicefrequency circuit also receives electrical information at mike, by the signal of telecommunication
Be converted to voice data, and by data transmission in network telephony to Peripheral Interface 508 further to be located
Reason.Voice data can obtain at memorizer 502 or by radio-frequency module 510.Additionally, sound
Frequency is according to storing to memorizer 502 or be transmitted by radio-frequency module 510.One
In a little examples, audio-frequency module 516 may also include an earphone and broadcasts hole, for earphone or other set
Standby offer audio interface.
Display screen 518 provides an output and inputting interface between mobile terminal and user simultaneously.
Specifically, display screen 518 displays to the user that video frequency output, and the content of these video frequency output can include
Word, figure, video and combination in any thereof.Some output results correspond to some user interfaces
Object.Display screen 518 also receives the gesture behaviour such as the click of the input of user, such as user, slip
Make, in order to the input of these users is responded by user interface object.The technology of detection user's input
Can be based on resistance-type, condenser type or other the most possible touch control detection technology.Display screen
The instantiation of 518 display units includes, but are not limited to liquid crystal display or light emitting polymer displays.
Key-press module 520 provides user to carry out the interface inputted to mobile terminal equally, and user can be led to
Cross and press different buttons so that mobile terminal performs different functions.
Battery 526 is for providing electric energy for mobile terminal.
Additionally, based on the technical scheme in the embodiment of the present invention, MCU524, be additionally operable to record battery
The number of times of 526 charge or discharges, and the number of times of battery charge or discharge is sent to CPU506；
Display screen 518 is additionally operable to receive the number of times of the battery charge or discharge that CPU sends, and goes forward side by side
Row display.
Temperature sensor 528, for monitoring the temperature of battery 526, and is sent to the temperature monitored
MCU524 so that MCU524 can be by Temperature Feedback to CPU506；
CPU506, is additionally operable to adjust, according to temperature, the charging current that battery 526 is charged by charger
Or output voltage, or determine whether to stop battery 526 is charged according to temperature.
MCU524, is additionally operable to the output voltage corresponding according to optimum charging current, this optimum charging current
And the charging interval, calculate battery can capacity, and feed back to CPU506；
CPU506, be additionally operable to control display screen 518 show battery can capacity；
Display screen 518 be additionally operable to show battery can capacity.
It should be noted that each embodiment in this specification all uses the mode gone forward one by one to describe, often
What individual embodiment stressed is all the difference with other embodiments, identical between each embodiment
Similar part sees mutually.For device class embodiment, due to itself and embodiment of the method
Basic simlarity, so describe is fairly simple, relevant part sees the part explanation of embodiment of the method i.e.
Can.
It should be noted that in this article, the relational terms of such as first and second or the like is only used
By an entity or operation separate with another entity or operating space, and not necessarily require or
Imply relation or the order that there is any this reality between these entities or operation.And, term
" include ", " comprising " or its any other variant are intended to comprising of nonexcludability, so that bag
Include the process of a series of key element, method, article or device and not only include those key elements, but also wrap
Include other key elements being not expressly set out, or also include for this process, method, article or
The key element that device is intrinsic.In the case of there is no more restriction, statement " including ... " limit
Key element, it is not excluded that there is also additionally in including the process of key element, method, article or device
Identical element.
It will be appreciated by those skilled in the art that all or part of step realizing above-described embodiment can be passed through
Hardware completes, it is also possible to instructing relevant hardware by program and complete, this program can be stored in
In a kind of computer-readable recording medium, storage medium mentioned above can be read only memory, magnetic
Dish or CD etc..
Above, it is only presently preferred embodiments of the present invention, not the present invention is made any pro forma
Limit, although the present invention is disclosed above with preferred embodiment, but is not limited to the present invention,
Any those skilled in the art, in the range of without departing from technical solution of the present invention, when available
The technology contents of the disclosure above is made a little change or is modified to the Equivalent embodiments of equivalent variations, as long as
It is without departing from technical solution of the present invention content, according to the technical spirit of the present invention, above example is made
Any simple modification, equivalent variations and modification, all still fall within the range of technical solution of the present invention.
Claims (10)
1. the charging method of a self adaptation different capacity charger, it is characterised in that described method bag
Include:
Control charger according to charging current INBeing charged the battery of mobile terminal, wherein, N is
Positive integer, the initial value of N is 1, charging current I1For preset minimum charge current；
Read described charger according to described charging current INThe stable output voltage of output during charging
VN；
If described output voltage VNMore than preset safe voltage, then by described charging current INWith preset
First current value be added, obtain charging current IN+1, and make N=N+1, return and perform described control
Charger is according to charging current INThe step that the battery of mobile terminal is charged；
If described output voltage VNLess than or equal to described safe voltage, then according to described charging current IN
Determine optimum charging current, and control described charger according to described optimum charging current to described battery
It is charged.
Method the most according to claim 1, it is characterised in that if described output voltage
VNLess than or equal to described safe voltage, then according to described charging current INDetermine optimum charging current,
And control described charger and according to described optimum charging current, described battery is charged, including:
If described output voltage VNEqual to described safe voltage, it is determined that described charging current INFor optimum
Charging current, and control described charger according to described charging current INDescribed battery is charged；
If described output voltage VNIt is more than 1, it is determined that described charged electrical less than described safe voltage and N
Stream INIt is optimum charging current with the difference of described first current value, and controls described charger according to institute
State optimum charging current described battery is charged；
If described output voltage V1It is equal to 1, it is determined that do not fill described less than described safe voltage and N
Electricity electric current I1It is adjusted.
Method the most according to claim 1 and 2, it is characterised in that the described charging of described reading
Device is according to described charging current INThe stable output voltage V of output during chargingN, including:
According to preset time interval, described charger is being exported described charging current INTime output electricity
Pressure carries out m sampling, obtains m sampling and outputting voltage, and m is positive integer；
Calculate the meansigma methods of described m sampling and outputting voltage, using described meansigma methods as described stable
Output voltage VN。
4. the charging device of a self adaptation different capacity charger, it is characterised in that described device bag
Include:
Control module, is used for controlling charger according to charging current INThe battery of mobile terminal is filled
Electricity, wherein, N is positive integer, and the initial value of N is 1, charging current I1For preset minimum charged electrical
Stream；
Read module, is used for reading described charger according to described charging current INOutput during charging
Stable output voltage VN；
Increase and return module, if for described output voltage VNMore than preset safe voltage, then will
Described charging current INIt is added with the first preset current value, obtains charging current IN+1, and make N=N+1,
Return and perform control module；
Determine module, if for described output voltage VNLess than or equal to described safe voltage, then basis
Described charging current INDetermine optimum charging current, and control described charger according to described optimum charging
Described battery is charged by electric current.
Device the most according to claim 4, it is characterised in that described determine that module includes:
First determines module, if for described output voltage VNEqual to described safe voltage, it is determined that institute
State charging current INFor optimum charging current, and control described charger according to described charging current INRight
Described battery is charged；
Second determines module, if for described output voltage VNIt is more than 1 less than described safe voltage and N,
Then determine described charging current INIt is optimum charging current with the difference of described first current value, and controls
Described battery is charged by described charger according to described optimum charging current；
Described second determines module, if being additionally operable to described output voltage V1Less than described safe voltage and N
Equal to 1, it is determined that not to described charging current I1It is adjusted.
6. according to the device described in claim 4 or 5, it is characterised in that described read module includes:
Sampling module, for exporting described charged electrical according to preset time interval to described charger
Stream INTime output voltage carry out m time sampling, obtain m sampling and outputting voltage, m is positive integer；
Computing module, for calculating the meansigma methods of described m sampling and outputting voltage, by described meansigma methods
As described stable output voltage VN。
7. the charging device of a self adaptation different capacity charger, it is characterised in that described device is
Mobile terminal, including:
Central processor CPU, micro-control unit MCU, battery and charging inlet；
Described charging inlet, for being connected with the output interface of described charger；
Described CPU, is used for controlling charger according to charging current INThe described battery of mobile terminal is entered
Row charging, wherein, N is positive integer, and the initial value of N is 1, charging current I1Fill for preset minimum
Electricity electric current；
Described MCU, is used for reading described charger according to described charging current INOutput during charging
Stable output voltage VNDescribed charger is exporting described charging current INTime stable output voltage
VN, and feed back to described CPU；
Described CPU, if being additionally operable to described output voltage VNMore than preset safe voltage, then by described
Charging current INIt is added with the first preset current value, obtains charging current IN+1, and make N=N+1,
Return and perform described control charger according to charging current INThe step that the battery of mobile terminal is charged
Suddenly, if described output voltage VNLess than or equal to described safe voltage, then according to described charging current IN
Determine optimum charging current, and control described charger according to described optimum charging current to described battery
It is charged.
Device the most according to claim 7, it is characterised in that described device also includes:
Micro-control unit MCU, for recording the number of times of described battery charge or discharge, and by described
The number of times of battery charge or discharge is sent to described CPU；
Display screen, for receiving the number of times of the described battery charge or discharge that described CPU sends,
And show.
Device the most according to claim 8, it is characterised in that described device also includes:
Temperature sensor, for monitoring the temperature of described battery, and is sent to institute by the temperature monitored
State MCU so that described Temperature Feedback can be given described CPU by MCU；
Described CPU, is additionally operable to adjust described charger according to described temperature and is charged described battery
Charging current or output voltage, or according to described temperature determine whether stop described battery is entered
Row charging.
Device the most according to claim 9, it is characterised in that
Described MCU, is additionally operable to according to described optimum charging current, described optimum charging current corresponding
Output voltage and charging interval, calculate described battery can capacity, and feed back to described CPU；
Described CPU, be additionally operable to control described display screen show described battery can capacity；
Described display screen, be additionally operable to show described battery can capacity.
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| CN201510374959.6A CN106329593A (en) | 2015-06-30 | 2015-06-30 | Charging method and device adaptive to chargers with different power |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510374959.6A CN106329593A (en) | 2015-06-30 | 2015-06-30 | Charging method and device adaptive to chargers with different power |
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