CN106340925B - A kind of charge control method, device and terminal - Google Patents
A kind of charge control method, device and terminal Download PDFInfo
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- CN106340925B CN106340925B CN201610867766.9A CN201610867766A CN106340925B CN 106340925 B CN106340925 B CN 106340925B CN 201610867766 A CN201610867766 A CN 201610867766A CN 106340925 B CN106340925 B CN 106340925B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
- H02J7/00714—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters in response to battery charging or discharging current
- H02J7/00718—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters in response to battery charging or discharging current in response to charge current gradient
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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)
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Abstract
The embodiment of the invention provides a kind of charge control method, device and terminals, this method is used when terminal is in charged state, whether the charge mode for judging the terminal is constant current charging mode, if, then obtain the actual charge current value of the terminal, judge the size relation of the actual charge current value and preset charged current threshold, to obtain judging result, the charging current controlling value in the constant current charging mode is adjusted according to the judgment result, so that the actual charge current value approaches and is no more than the preset charged current threshold；The program adjusts charging current controlling value according to actual charge current value and the size relation of preset charged current threshold, in terms of existing technologies, can be improved charge efficiency, shorten the charging time of battery in constant current charging mode.
Description
Technical field
The present invention relates to field of terminal technology, and in particular to a kind of charge control method, device and terminal.
Background technique
Currently, battery generally is lithium ion battery in portable electronic product.The charging process of battery is by charging core
Piece control.Entire charging process can be divided into trickle charge, constant-current charge, constant-voltage charge.In constant-current charging phase, when charging electricity
When pressure reaches the full piezoelectric voltage of battery, charging chip control charging modes switch to constant-voltage charge.
During the charging process, the pairs of maximum charging current values that battery can bear is limited.In order to extend the use of battery
Service life usually all can control charging current value by charging chip and be no more than the pairs of maximum charging current values that battery can bear.
There is a certain error for the charging current value meeting controlled by charging chip.The error may be positive value, it is also possible to
For negative value, i.e. actual charge current value under charging chip control is likely larger than theoretical controlling value, it is also possible to be less than theoretical control
Value.In order to guarantee that actual charge current value is no more than the pairs of maximum charging current values that battery can bear, it will usually by charging chip
The theoretical charging current value of control is arranged less than normal, and this setup can reduce the charge efficiency of battery, and then lead to battery
Charging time it is long.Therefore it needs to be further improved.
Summary of the invention
The present invention provides a kind of charge control method, device and terminal, can solve battery charge efficiency in the prior art
It is low, the technical problem of charging time length.
The embodiment of the present invention provides a kind of charge control method, comprising:
When terminal is in charged state, judge whether the charge mode of the terminal is constant current charging mode；
If the determination result is YES, then the actual charge current value of the terminal is obtained；
The size relation of the actual charge current value and preset charged current threshold is judged, to obtain judging result；
The charging current controlling value in the constant current charging mode is adjusted according to the judging result, so that the reality
Charging current value approaches and is no more than the preset charged current threshold.
Preferably, the step that the charging current controlling value in the constant current charging mode is adjusted according to the judging result
Suddenly it specifically includes:
When the judging result is that the actual charge current value is less than the preset charged current threshold, described in increase
Charging current controlling value in constant current charging mode；
When the judging result is that the actual charge current value is greater than the preset charged current threshold, described in reduction
Charging current controlling value in constant current charging mode.
Preferably, described when the judging result is that the actual charge current value is less than the preset charged current threshold
When, the step of increasing the charging current controlling value in the constant current charging mode, specifically includes:
When the judging result is that the actual charge current value is less than the preset charged current threshold, described in acquisition
The difference of preset charged current threshold and the actual charge current value；
Judge whether the difference is greater than preset difference value；
If the determination result is YES, then increase the charging current controlling value in the constant current charging mode.
Preferably, the size relation of judgement the actual charge current value and preset charged current threshold, to obtain
Before the step of judging result, the charge control method further include:
Obtain the temperature of battery in the terminal；
Corresponding preset charged current threshold is obtained according to the temperature.
Preferably, described the step of obtaining corresponding preset charged current threshold according to the temperature, specifically includes:
Determine temperature range locating for the temperature；
Corresponding preset charged current threshold is obtained according to the temperature range.
Preferably, the step of actual charge current value for obtaining the terminal specifically includes:
Repeatedly obtain the instantaneous charge current value of the terminal；
Using the average value of multiple instantaneous charge current values as actual charge current value.
Correspondingly, the embodiment of the present invention also provides a kind of battery charge controller, comprising:
First judgment module, for when terminal is in charged state, judging whether the charge mode of the terminal is permanent
Current charge mode；
First obtains module, is when being, to obtain the reality of the terminal for the judging result in the first judgment module
Border charging current value；
Second judgment module, for judging the size relation of the actual charge current value and preset charged current threshold,
To obtain judging result；
Module is adjusted, for adjusting filling in the constant current charging mode according to the judging result of second judgment module
Electric current control value, so that the actual charge current value approaches and is no more than the preset charged current threshold.
Preferably, the adjustment module specifically includes:
The first adjustment submodule is that actual charge current value is small for the judging result when second judgment module
When the preset charged current threshold, increase the charging current controlling value in the constant current charging mode；
Second adjustment submodule is that the actual charge current value is big for the judging result when second judgment module
When the preset charged current threshold, reduce the charging current controlling value in the constant current charging mode.
Preferably, the first adjustment submodule is specifically used for:
When the judging result of second judgment module is that the actual charge current value is less than the preset charged electric current
When threshold value, the difference of the preset charged current threshold Yu the actual charge current value is obtained；
Judge whether the difference is greater than preset difference value；
If the determination result is YES, then increase the charging current controlling value in the constant current charging mode.
Preferably, the battery charge controller further include:
Second obtains module, for obtaining the temperature of battery in the terminal；
Third obtains module, for obtaining corresponding preset charged current threshold according to the temperature.
Preferably, the third obtains module and specifically includes:
Submodule is determined, for determining temperature range locating for the temperature；
Acquisition submodule, for obtaining corresponding preset charged current threshold according to the temperature range.
Preferably, the first acquisition module is specifically used for:
When the judging result of the first judgment module is to be, the instantaneous charge current value of the terminal is repeatedly obtained；
Using the average value of multiple instantaneous charge current values as actual charge current value.
Correspondingly, the embodiment of the present invention also provides a kind of terminal, comprising:
Touch screen, for receiving the touch operation of user；
It is stored with the memory of executable program code；
The processor coupled with the memory；
The processor calls the executable program code stored in the memory, executes described in any of the above-described
Charge control method.
In the charge control method that the present invention discloses, using when terminal is in charged state, the charging of the terminal is judged
Whether mode is constant current charging mode；If so, obtaining the actual charge current value of the terminal；Judge the actual charge current value
With the size relation of preset charged current threshold, to obtain judging result；The constant current charging mode is adjusted according to the judgment result
In charging current controlling value so that the actual charge current value approaches and is no more than the preset charged current threshold.The party
Case adjusts charging electricity according to actual charge current value and the size relation of preset charged current threshold in constant current charging mode
Flow control value is in a reasonable numberical range with controlling actual charge current value.It can either ensure actual charge current
Value is no more than the maximum current value that battery can bear, and can increase actual charge current value as far as possible.Relative to existing skill
For art, charge efficiency can be improved, shorten the charging time of battery.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described.It should be evident that drawings in the following description are only some embodiments of the invention, for
For those skilled in the art, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is the flow diagram for the charge control method that the embodiment of the present invention one provides；
Fig. 2 is the flow diagram of charge control method provided by Embodiment 2 of the present invention；
Fig. 3 is the structural schematic diagram for the first battery charge controller that the embodiment of the present invention three provides；
Fig. 4 is the structural schematic diagram for second of battery charge controller that the embodiment of the present invention three provides；
Fig. 5 is the structural schematic diagram for the third battery charge controller that the embodiment of the present invention three provides；
Fig. 6 is the structural schematic diagram for the 4th kind of battery charge controller that the embodiment of the present invention three provides；
Fig. 7 is the structural schematic diagram for the first terminal that the embodiment of the present invention four provides；
Fig. 8 is the structural schematic diagram for second of terminal that the embodiment of the present invention four provides.
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.Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those skilled in the art's every other implementation obtained without creative efforts
Example, shall fall within the protection scope of the present invention.
The embodiment of the present invention provides a kind of charge control method, device and terminal, will be described in detail respectively below.
Embodiment one
The present embodiment will be described from the angle of battery charge controller, which specifically can integrate in the terminal, should
Terminal can be the equipment such as smart phone, tablet computer.
A kind of charge control method, comprising: when terminal is in charged state, judge the terminal charge mode whether be
Constant current charging mode；If so, obtaining the actual charge current value of the terminal；Judge the actual charge current value and preset charged
The size relation of current threshold, to obtain judging result；The charging electricity in the constant current charging mode is adjusted according to the judgment result
Flow control value, so that the actual charge current value approaches and is no more than the preset charged current threshold.
As shown in Figure 1, the charge control method, detailed process may include:
S101 judges whether the charge mode of the terminal is constant current charging mode when terminal is in charged state.
In practical application, charging circuit is provided in terminal.It include charging chip in charging circuit, for charging
Cheng Jinhang control.The input terminal of charging circuit is connected with the charging interface of terminal, the electricity in the output end and terminal of charging circuit
Pond is connected, and charging circuit is allowed to charge to battery via the power supply adaptor of terminal.
The charging process of terminal is generally divided into trickle charge, constant-current charge, constant voltage charging phase, but is not limited to above three
In the stage, can also include other stages, and entire charging process is controlled by charging chip.The trickle charge stage using low current into
Row charging, can generally be realized using pulse current charge.Constant-current charging phase is charged using constant current, so that eventually
The voltage of battery gradually rises in end, this stage is the Main Stage during terminal charge.When the voltage of battery in terminal reaches
When to full piezoelectric voltage or approaching full piezoelectric voltage, the charging stage is converted to constant-voltage charge, is charged at this time using constant voltage, fills
Electric current is gradually reduced, until battery reaches full power state, charging process terminates.
It, can be with the voltage of real-time detection charging circuit input terminal, to detect end with this in the use process of terminal
Whether end is in charged state；It can also detect whether terminal is in charged state by the voltage in detection charging chip.
When detecting that terminal is in charged state, can by obtain charging chip state of a control come judge charge mode whether be
Constant current charging mode.When the state of a control for getting charging chip is constant-current charge, then it is judged as the current charging mould of terminal
Formula is constant current charging mode, then executes step S102；When the state of a control for getting charging chip is except constant-current charge
When other states, be then judged as that the current charge mode of terminal is not constant current charging mode, at this time can be with certain interval of time after
Step S101 is executed again.
S102 obtains the actual charge current value of the terminal.
Specifically, negative-feedback can be set in the charging circuit of terminal, the output end current feedback of charging circuit is arrived
In charging chip, to obtain the actual charge current value of terminal.In practical application, it is contemplated that actual charge current value may deposit
In fluctuation situation, therefore, the actual charge current value for obtaining the terminal can be realized especially by following steps:
Repeatedly obtain the instantaneous charge current value of the terminal；
Using the average value of multiple instantaneous charge current values as actual charge current value.
Specifically, the instantaneous charge current value of terminal can repeatedly be obtained.For example, obtaining 3 instantaneous charge current values, often
It is spaced 0.5 second between twice.Then, the average value for calculating the multiple instantaneous charge current value, using the average value as actually filling
Electric current value.
S103 judges the size relation of the actual charge current value and preset charged current threshold, to obtain judging result.
In practical application, preset charged current threshold can be to ensure that the maximum charge being able to bear when battery is not damaged
Current value.The pairs of maximum charging current values is related with the type of battery, the maximum charge electricity that different types of battery is able to bear
Flow valuve is different.Preset charged current threshold can be terminal factory when storage in the terminal a current value (for example,
500mA)。
After getting the actual charge current value of terminal, the preset charged current threshold is called from terminal.Concrete application
In, the difference between the preset charged current threshold and the actual charge current value can be calculated, this is judged by the difference
The size relation of actual charge current value and preset charged current threshold.Obtained judging result may include: practical charging electricity
Flow valuve is less than preset charged current threshold, and actual charge current value is greater than preset charged current threshold, actual charge current value etc.
In preset charged current threshold.After obtaining judging result, step S104 is executed.
In practical application, the pairs of maximum charging current values that battery can bear is also related with the temperature of battery.Therefore, judging
The size relation of the actual charge current value and preset charged current threshold, the step of to obtain judging result before, can be with
The following steps are included:
Obtain the temperature of battery in the terminal；
Corresponding preset charged current threshold is obtained according to the temperature.
Specifically, temperature sensor can be set close to the position of battery in the terminal, is used to examinations battery surface
Temperature.The mapping relations between battery temperature and preset charged current threshold are stored in advance in the terminal, according to what is detected
Battery temperature obtains corresponding preset charged current threshold in mapping relations.
In practical application, it is contemplated that the discontinuity of preset charged current threshold, and temperature is successional data, is existed
Multiple temperature the case where all corresponding to the same preset charged current threshold.Therefore, it is obtained according to the temperature corresponding default
Charging current threshold value can with specifically includes the following steps:
Determine temperature range locating for the temperature；
Corresponding preset charged current threshold is obtained according to the temperature range.
Specifically, in terminal in pre-stored mapping relations, temperature is divided into multiple temperature ranges, each humidity province
Between correspond to a preset charged current threshold.After the temperature for detecting battery, it is first determined temperature range locating for the temperature,
Then corresponding preset charged current threshold in mapping relations is obtained according to temperature range.
S104 adjusts the charging current controlling value in the constant current charging mode according to the judgment result, so that the reality
Charging current value approaches and is no more than the preset charged current threshold.
In concrete application, the charging process of terminal is controlled by charging chip.Constant-current charge mould is provided in charging chip
Charging current controlling value under formula, the charging current controlling value are used for the output end current of the charging circuit in controlling terminal (i.e.
Actual charge current value), it is charged the battery with realizing by constant current.Due to charging chip control there are certain mistakes
The output end current (i.e. actual charge current value) of difference, charging circuit might not be identical with charging current controlling value.Actually fill
Electric current value is likely less than charging current controlling value, it is also possible to be greater than charging current controlling value.
After obtaining judging result in step s 103, in order to ensure actual charge current value approaches and is no more than battery institute energy
The maximum current value of receiving needs to adjust the charging current controlling value in constant current charging mode according to judging result.Sentenced according to this
Disconnected result adjust the charging current controlling value in the constant current charging mode can with specifically includes the following steps:
When judging result is that actual charge current value is less than preset charged current threshold, increase in constant current charging mode
Charging current controlling value；
When judging result is that actual charge current value is greater than preset charged current threshold, reduce in constant current charging mode
Charging current controlling value.
Specifically, the step value increased or reduced can be preset, which is to be stored in advance in the terminal
A current value.
When judging result is that actual charge current value is less than preset charged current threshold, increase in charging current controlling value
Add the step value.And recycle and execute step S101~step S104, to incrementally increase charging current controlling value.
When judging result is that actual charge current value is greater than preset charged current threshold, subtract in charging current controlling value
The small step value.And recycle and execute step S101~step S104, to gradually reduce charging current controlling value, until practical charging
Current value is not more than preset charged current threshold.
In practical applications, it ensures that and controls actual charge current value in a suitable numerical value, work as judgement
When being as a result less than preset charged current threshold for actual charge current value, increase the charging current controlling value in constant current charging mode
Can with specifically includes the following steps:
When judging result is that actual charge current value is less than preset charged current threshold, preset charged current threshold is obtained
With the difference of actual charge current value；
Judge whether the difference is greater than preset difference value；
If the determination result is YES, then increase the charging current controlling value in constant current charging mode.
Specifically, preset difference value can be a pre-stored current value in terminal, be also possible to according to practical charging
Current value I, charging current controlling value A, step value P are calculated, and calculating process is as follows: preset difference value Q=P × I/A.
When judging result is that actual charge current value is less than preset charged current threshold, preset charged current threshold is calculated
With the difference of actual charge current value, judge whether the difference is greater than preset difference value.When the difference is greater than preset difference value, filling
Increase the step value in electric current control value.And recycle and execute step S101~step S104, to incrementally increase charging current control
Value processed, until actual charge current value is slightly less than preset charged equal to preset charged current threshold or actual charge current value
Current threshold (that is, the difference of preset charged current threshold and actual charge current value is less than preset difference value).
From the foregoing, it will be observed that charge control method provided in an embodiment of the present invention judges using when terminal is in charged state
Whether the charge mode of the terminal is constant current charging mode, if so, obtaining the actual charge current value of the terminal, judges the reality
The size relation of border charging current value and preset charged current threshold, to obtain judging result, adjustment should according to the judgment result
Charging current controlling value in constant current charging mode, so that the actual charge current value approaches and is no more than preset charged electricity
Flow threshold values.The program is in constant current charging mode, according to the size relation of actual charge current value and preset charged current threshold
Charging current controlling value is adjusted, is in a reasonable numberical range with controlling actual charge current value.It can either ensure
Actual charge current value is no more than the maximum current value that battery can bear, and can increase actual charge current value as far as possible.
In terms of existing technologies, it can be improved charge efficiency, shorten the charging time of battery.
Embodiment two
According to charge control method described in embodiment one, citing is described in further detail below.
In the present embodiment, it will be specifically integrated in smart phone with charge control method, with the charging in smart phone
It is described in detail for control method.
As shown in Fig. 2, the charge control method, detailed process can be such that
S201 judges whether the charge mode of the smart phone is constant-current charge when smart phone is in charged state
Mode.
Specifically, charging circuit is provided in smart phone.It include charging chip in charging circuit, for intelligence
The charging process of mobile phone is controlled.The input terminal of charging circuit is connected with the charging interface of smart phone, charging circuit it is defeated
Outlet is connected with the battery in smart phone, and charging circuit is allowed to charge to battery via the charger of smart phone.
In the use process of smart phone, intelligence can be detected with this with the voltage of real-time detection charging circuit input terminal
Whether energy mobile phone is in charged state；It can also be filled by the voltage in detection charging chip to detect smart phone and whether be in
Electricity condition.When detecting that smart phone is in charged state, can judge to fill by obtaining the state of a control of charging chip
Whether power mode is constant current charging mode.When the state of a control for getting charging chip is constant-current charge, it is judged as intelligent hand
The charge mode of machine is constant current charging mode, then executes step S202；When the state of a control for getting charging chip is constant current
When other states except charging, it is judged as that the charge mode of smart phone is not constant current charging mode, one can be spaced at this time
Step S201 is executed again after the section time.
S202 repeatedly obtains the instantaneous charge current value of the smart phone.
Specifically, negative-feedback can be set in the charging circuit of smart phone, the output end current of charging circuit is anti-
It is fed in charging chip, to obtain the instantaneous charge current value of smart phone.
S203, using the average value of multiple instantaneous charge current values as actual charge current value.
Specifically, after the instantaneous charge current value for repeatedly obtaining smart phone, the multiple instantaneous charge current value is calculated
Average value, using the average value as actual charge current value.
S204 obtains the temperature of battery in the smart phone.
Specifically, temperature sensor can be set close to the position of battery in smart phone, for obtaining battery in real time
The temperature on surface.
S205 determines temperature range locating for the temperature.
Specifically, temperature can be divided into several temperature ranges in advance.For example, can be divided into [20 DEG C, 25 DEG C),
[25 DEG C, 30 DEG C), [30 DEG C, 35 DEG C) etc. multiple sections.After getting the temperature of battery, humidity province locating for the temperature is determined
Between.
S206 obtains corresponding preset charged current threshold according to the temperature range.
Specifically, it can be closed in advance in the mapping in smart phone between storage temperature section and preset charged current threshold
System.For example, temperature range [20 DEG C, 25 DEG C) corresponding preset charged current threshold be 480mA, [25 DEG C, 30 DEG C) it is corresponding pre-
If charging current threshold value be 490mA, [30 DEG C, 35 DEG C) corresponding preset charged current threshold is 500mA.Temperature section
Afterwards, corresponding preset charged current threshold is obtained according to mapping relations.
S207 judges the size relation of the actual charge current value and preset charged current threshold, to obtain judging result.
Specifically, after actual charge current value is got in S203, gets preset charged current threshold in S206, meter
The difference of calculating preset charged current threshold and actual charge current value is on the occasion of, negative value by the difference or is 0 to judge reality
The size relation of border charging current value and preset charged current threshold.For example, actual charge current value is 480mA, preset charged
Current threshold is 500mA, then the judging result obtained is that actual charge current value is less than preset charged current threshold.
It is pre- to obtain this when the judging result is that the actual charge current value is less than the preset charged current threshold by S208
If the difference of charging current threshold value and the actual charge current value.
Specifically, when judging result is that actual charge current value is less than preset charged current threshold, preset charged is calculated
The difference of current threshold and actual charge current value.For example, actual charge current value I=480mA, preset charged current threshold M
=500mA then calculates the difference of M and I are as follows: M-I=20mA.
S209, judges whether the difference is greater than preset difference value.
Specifically, preset difference value can be a pre-stored current value (for example, 5mA) in smart phone, can also be with
It is that (step value P, which can be, is stored in advance in smart phone according to actual charge current value I, charging current controlling value A, step value P
In a current value) be calculated, calculating process is as follows: preset difference value Q=P × I/A.For example, actual charge current value I=
480mA, charging current controlling value A=500mA, step value P=10mA, then preset difference value Q=10 × 480/500=9.6mA.
After getting the difference in step S208, judge whether the difference is greater than preset difference value.For example, the difference is
20mA, preset difference value 9.6mA then can determine whether to be greater than preset difference value for the difference, then execute step S210.
S210 increases the charging current controlling value in the constant current charging mode.
Specifically, the step value P of an increase charging current controlling value can be stored in smart phone in advance.For example,
Step value P is 10mA.When being judged as that the difference is greater than preset difference value in S209, charging current controlling value is increased into the step value
P.For example, charging current controlling value is 500mA, then the charging current controlling value after increasing is 510mA.
S211 reduces the constant current when judging result is that the actual charge current value is greater than the preset charged current threshold
Charging current controlling value in charge mode.
Specifically, when the judging result in S207 is that the actual charge current value is greater than the preset charged current threshold,
Charging current controlling value is reduced into step value P.For example, charging current controlling value is 500mA, then the charging current control after reducing
Value is 490mA.
From the foregoing, it will be observed that charge control method provided in an embodiment of the present invention, using when smart phone is in charged state,
Whether the charge mode for judging the smart phone is constant current charging mode, if so, repeatedly obtaining instantaneously filling for the smart phone
Electric current value, using the average value of multiple instantaneous charge current values as actual charge current value；It obtains electric in the smart phone
The temperature in pond determines temperature range locating for the temperature, obtains corresponding preset charged current threshold according to the temperature range；Sentence
The size relation for the actual charge current value and preset charged current threshold of breaking, to obtain judging result；When judging result is to be somebody's turn to do
When actual charge current value is less than the preset charged current threshold, the preset charged current threshold and the actual charge current are obtained
The difference of value, judges whether the difference is greater than preset difference value, if so, increasing the charging current control in the constant current charging mode
Value；When judging result is that the actual charge current value is greater than the preset charged current threshold, reduce in the constant current charging mode
Charging current controlling value.The program obtains actual charge current value in constant current charging mode first, then obtains default fills
Electric current threshold adjusts charging current control according to actual charge current value and the size relation of preset charged current threshold
Value is in a reasonable numberical range with controlling actual charge current value.It can either ensure that actual charge current value does not surpass
The maximum current value that battery can bear is crossed, and actual charge current value can be increased as far as possible.In terms of existing technologies,
It can be improved charge efficiency, shorten the charging time of battery.
Embodiment three
In order to better implement above method, the embodiment of the present invention also provides a kind of battery charge controller, which can be with
It integrates in the terminal, which can be the equipment such as smart phone, tablet computer.
As shown in figure 3, battery charge controller may include: that first judgment module 301, first obtains module 302, second sentences
Disconnected module 303, adjustment module 304, are described in detail below:
The first judgment module 301, for when terminal is in charged state, judge the terminal charge mode whether be
Constant current charging mode；
The first acquisition module 302, is when being, to obtain the terminal for the judging result in the first judgment module 301
Actual charge current value；
Second judgment module 303, for judging that the size of the actual charge current value and preset charged current threshold is closed
System, to obtain judging result；
The adjustment module 304, for being adjusted in the constant current charging mode according to the judging result of second judgment module
Charging current controlling value, so that the actual charge current value approaches and is no more than the preset charged current threshold.
Preferably, as shown in figure 4, the adjustment module 304 includes: the first adjustment submodule 3041, second adjustment submodule
3042, specific as follows:
The first adjustment submodule 3041 is the practical charging electricity for the judging result when second judgment module 303
When flow valuve is less than the preset charged current threshold, increase the charging current controlling value in the constant current charging mode；
The second adjustment submodule 3042 is the practical charging electricity for the judging result when second judgment module 303
When flow valuve is greater than the preset charged current threshold, reduce the charging current controlling value in the constant current charging mode.
Preferably, which is specifically used for:
When the judging result of second judgment module 303 is that the actual charge current value is less than the preset charged current threshold
When, obtain the difference of the preset charged current threshold and the actual charge current value；
Judge whether the difference is greater than preset difference value；
If the determination result is YES, then increase the charging current controlling value in the constant current charging mode.
Preferably, as shown in figure 5, battery charge controller can also include: the second acquisition module 305, third acquisition module
306, specific as follows:
The second acquisition module 305, for obtaining the temperature of battery in the terminal；
The third obtains module 306, for obtaining corresponding preset charged current threshold according to the temperature.
Preferably, as shown in fig. 6, the third, which obtains module 306, comprises determining that submodule 3061, acquisition submodule 3062,
It is specific as follows:
The determination submodule 3061, for determining temperature range locating for the temperature；
The acquisition submodule 3062, for obtaining corresponding preset charged current threshold according to the temperature range.
Preferably, which is specifically used for:
When the judging result of the first judgment module 301 is to be, the instantaneous charge current value of the terminal is repeatedly obtained；
Using the average value of multiple instantaneous charge current values as actual charge current value.
When it is implemented, the above modules can be used as independent entity to realize, any combination can also be carried out, is made
It is realized for same or several entities.The specific implementation of the above modules can be found in the embodiment of the method for front, herein not
It repeats again.
From the foregoing, it will be observed that battery charge controller provided in an embodiment of the present invention, is in by first judgment module 301 in terminal
When charged state, judge whether the charge mode of the terminal is constant current charging mode, and first obtains module 302 in first judgement
The judging result of module 301 is when being, to obtain the actual charge current value of the terminal, the second judgment module 303 judges the reality
The size relation of charging current value and preset charged current threshold adjusts module 304 according to the judgement knot to obtain judging result
Fruit adjusts the charging current controlling value in the constant current charging mode, so that the actual charge current value approaches and to be no more than this pre-
If charging current threshold values.The program is in constant current charging mode, according to actual charge current value and preset charged current threshold
Size relation adjusts charging current controlling value, is in a reasonable numberical range with controlling actual charge current value.Both
It can ensure that actual charge current value is no more than the maximum current value that battery can bear, and practical charging can be increased as far as possible
Current value.In terms of existing technologies, it can be improved charge efficiency, shorten the charging time of battery.
Example IV
The embodiment of the present invention also provides a kind of terminal, which can be the equipment such as smart phone, tablet computer.
As shown in fig. 7, terminal 400 may include: that first judgment module 401, first obtains module 402, second judges mould
Block 403, adjustment module 404, are described in detail below:
The first judgment module 401, for when terminal is in charged state, judge the terminal charge mode whether be
Constant current charging mode；
The first acquisition module 402, is when being, to obtain the terminal for the judging result in the first judgment module 401
Actual charge current value；
Second judgment module 403, for judging that the size of the actual charge current value and preset charged current threshold is closed
System, to obtain judging result；
The adjustment module 404, for being adjusted in the constant current charging mode according to the judging result of second judgment module
Charging current controlling value, so that the actual charge current value approaches and is no more than the preset charged current threshold.
Preferably, which includes: the first adjustment submodule, second adjustment submodule, specific as follows:
The first adjustment submodule is the actual charge current value for the judging result when second judgment module 403
When less than the preset charged current threshold, increase the charging current controlling value in the constant current charging mode；
The second adjustment submodule is the actual charge current value for the judging result when second judgment module 403
When greater than the preset charged current threshold, reduce the charging current controlling value in the constant current charging mode.
Preferably, which is specifically used for:
When the judging result of second judgment module 403 is that the actual charge current value is less than the preset charged current threshold
When, obtain the difference of the preset charged current threshold and the actual charge current value；
Judge whether the difference is greater than preset difference value；
If the determination result is YES, then increase the charging current controlling value in the constant current charging mode.
Preferably, terminal 400 can also include: the second acquisition module, third obtain module, it is specific as follows:
The second acquisition module, for obtaining the temperature of battery in the terminal；
The third obtains module, for obtaining corresponding preset charged current threshold according to the temperature.
Preferably, which obtains module and comprises determining that submodule, acquisition submodule, specific as follows:
The determination submodule, for determining temperature range locating for the temperature；
The acquisition submodule, for obtaining corresponding preset charged current threshold according to the temperature range.
Preferably, which is specifically used for:
When the judging result of the first judgment module 401 is to be, the instantaneous charge current value of the terminal is repeatedly obtained；
Using the average value of multiple instantaneous charge current values as actual charge current value.
Aforesaid operations are for details, reference can be made to the embodiment of the method for front, and details are not described herein.
The embodiment of the present invention also provides another terminal, as shown in figure 8, terminal 500 may include radio frequency (RF, Radio
Frequency) circuit 501, include one or more memory 502, the input unit of computer readable storage medium
503, display unit 504, sensor 505, voicefrequency circuit 506, Wireless Fidelity (WiFi, Wireless Fidelity) module
507, the components such as processor 508 and the power supply 509 of processing core are included one or more than one.Those skilled in the art
Member it is appreciated that terminal structure not structure paired terminal shown in Fig. 8 restriction, may include more more or fewer than illustrating
Component perhaps combines certain components or different component layouts.
Radio circuit 501 can be used for receiving and sending messages or communication process in signal send and receive, particularly, by base station
Downlink information receive after, transfer to one or more than one processor 508 processing；In addition, the data for being related to uplink are sent
To base station.In general, radio circuit 501 includes but is not limited to antenna, at least one amplifier, tuner, one or more oscillations
Device, subscriber identity module (SIM, Subscriber Identity Module) card, transceiver, coupler, low noise amplification
Device (LNA, Low Noise Amplifier), duplexer etc..In addition, radio circuit 501 can also by wireless communication with network
It is communicated with other equipment.Any communication standard or agreement, including but not limited to global system for mobile telecommunications can be used in the wireless communication
System (GSM, Global System of Mobile communication), general packet radio service (GPRS, General
Packet Radio Service), CDMA (CDMA, Code Division Multiple Access), wideband code division it is more
Location (WCDMA, Wideband Code Division Multiple Access), long term evolution (LTE, Long Term
Evolution), Email, short message service (SMS, Short Messaging Service) etc..
Memory 502 can be used for storing software program and module.Processor 508 is stored in memory 502 by operation
Software program and module, thereby executing various function application and data processing.Memory 502 can mainly include storage journey
Sequence area and storage data area, wherein storing program area can the (ratio of application program needed for storage program area, at least one function
Such as sound-playing function, image player function) etc.；Storage data area, which can be stored, uses created data according to terminal
(such as audio data, phone directory etc.) etc..In addition, memory 502 may include high-speed random access memory, can also include
Nonvolatile memory, for example, at least a disk memory, flush memory device or other volatile solid-state parts.Phase
Ying Di, memory 502 can also include Memory Controller, to provide processor 508 and input unit 503 to memory 502
Access.
Input unit 503 can be used for receiving the number or character information of input, and generate and user setting and function
Control related keyboard, mouse, operating stick, optics or trackball signal input.Specifically, in a specific embodiment
In, input unit 503 may include touch sensitive surface and other input equipments.Touch sensitive surface, also referred to as touch screen or Trackpad,
(for example user uses any suitable object or attachment such as finger, stylus for the touch operation of collectable user on it or nearby
Operation on touch sensitive surface or near touch sensitive surface), and corresponding attachment device is driven according to preset formula.It can
Choosing, touch sensitive surface may include both touch detecting apparatus and touch controller.Wherein, touch detecting apparatus detects user
Touch orientation, and detect touch operation bring signal, transmit a signal to touch controller；Touch controller is examined from touch
It surveys on device and receives touch information, and be converted into contact coordinate, then give processor 508, and the hair of processor 508 can be received
Next order is simultaneously executed.Furthermore, it is possible to using the multiple types such as resistance-type, condenser type, infrared ray and surface acoustic wave reality
Existing touch sensitive surface.In addition to touch sensitive surface, input unit 503 can also include other input equipments.Specifically, other input equipments
It can include but is not limited to physical keyboard, function key (such as volume control button, switch key etc.), trace ball, mouse, operation
One of bar etc. is a variety of.
Display unit 504 can be used for showing information input by user or be supplied to user information and terminal it is various
Graphical user interface, these graphical user interface can be made of figure, text, icon, video and any combination thereof.Display
Unit 504 may include display panel, optionally, can using liquid crystal display (LCD, Liquid Crystal Display),
The forms such as Organic Light Emitting Diode (OLED, Organic Light-Emitting Diode) configure display panel.Further
, touch sensitive surface can cover display panel, after touch sensitive surface detects touch operation on it or nearby, send processing to
Device 508 is followed by subsequent processing device 508 and is provided on a display panel accordingly according to the type of touch event to determine the type of touch event
Visual output.Although in fig. 8, touch sensitive surface and display panel are to realize input and input as two independent components
Function, but in some embodiments it is possible to touch sensitive surface and display panel are integrated and realizes and outputs and inputs function.
Terminal may also include at least one sensor 505, such as optical sensor, motion sensor and other sensors.
Specifically, optical sensor may include ambient light sensor and proximity sensor, wherein ambient light sensor can be according to ambient light
Light and shade adjust the brightness of display panel, proximity sensor can close display panel and/or back when terminal is moved in one's ear
Light.As a kind of motion sensor, gravity accelerometer can detect (generally three axis) acceleration in all directions
Size can detect that size and the direction of gravity when static, can be used to identify mobile phone posture application (such as horizontal/vertical screen switching,
Dependent game, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, tap) etc.；It can also configure as terminal
The other sensors such as gyroscope, barometer, hygrometer, thermometer, infrared sensor, details are not described herein.
Voicefrequency circuit 506 can provide the audio interface between user and terminal by loudspeaker, microphone.Voicefrequency circuit
The audio data received can be converted into electric signal by 506, be transferred to loudspeaker, be converted to voice signal output by loudspeaker；
On the other hand, the voice signal of collection is converted to electric signal by microphone, is converted to audio number after being received by voicefrequency circuit 506
According to then such as another terminal will be sent to through radio circuit 501 after audio data output processor 508 handles, or by sound
Frequency is further processed according to output to memory 502.Voicefrequency circuit 506 is also possible that earphone jack, to provide peripheral hardware
The communication of earphone and terminal.
Wireless Fidelity (WiFi) belongs to short range wireless transmission technology, and terminal can be helped by wireless fidelity module 507
User sends and receive e-mail, browses webpage and access streaming video etc., it provides wireless broadband internet access for user.
Although Fig. 8 shows wireless fidelity module 507, but it is understood that, and it is not belonging to must be configured into for terminal, completely may be used
To omit within the scope of not changing the essence of the invention as needed.
Processor 508 is the control centre of terminal, using the various pieces of various interfaces and the entire terminal of connection, is led to
It crosses operation or executes the software program and/or module being stored in memory 502, and call and be stored in memory 502
Data execute the various functions and processing data of terminal, to carry out integral monitoring to terminal.Optionally, processor 508 can wrap
Include one or more processing cores；Preferably, processor 508 can integrate application processor and modem processor, wherein answer
With the main processing operation system of processor, user interface and application program etc., modem processor mainly handles wireless communication.
It is understood that above-mentioned modem processor can not also be integrated into processor 508.
Terminal further includes the power supply 509 (such as battery) powered to all parts.Preferably, power supply can pass through power supply pipe
Reason system and processor 508 are logically contiguous, to realize management charging, electric discharge and power managed by power-supply management system
Etc. functions.Power supply 509 can also include one or more direct current or AC power source, recharging system, power failure inspection
The random components such as slowdown monitoring circuit, power adapter or inverter, power supply status indicator.
Although being not shown in Fig. 8, terminal can also include camera, bluetooth module etc., and details are not described herein.
Specifically in the present embodiment, the processor 508 in terminal can be according to following instruction, will be one or more
The corresponding executable file of the process of application program is loaded into memory 502, and is run by processor 508 and be stored in storage
Application program in device 502, to realize various functions:
When terminal is in charged state, judge whether the charge mode of the terminal is constant current charging mode；If so, obtaining
Take the actual charge current value of the terminal；Judge the size relation of the actual charge current value and preset charged current threshold, with
Obtain judging result；The charging current controlling value in the constant current charging mode is adjusted according to the judgment result.
Preferably, there is processor 508 first judgment module, first to obtain module, the second judgment module, adjustment module,
It is described in detail below:
Processor 508 is used for through first judgment module when terminal is in charged state, judges the charging mould of the terminal
Whether formula is constant current charging mode；
Processor 508 is used for through the first acquisition module when the judging result of the first judgment module, which is, is, obtaining should
The actual charge current value of terminal；
Processor 508 is used to judge the actual charge current value and preset charged current threshold by the second judgment module
Size relation, to obtain judging result；
Processor 508 is used to adjust the charging current in the constant current charging mode according to the judgment result by adjusting module
Controlling value, so that the actual charge current value approaches and is no more than the preset charged current threshold.
Aforesaid operations are for details, reference can be made to the embodiment of the method for front, and details are not described herein.
From the foregoing, it will be observed that, when terminal is in charged state, judging the terminal the embodiment of the invention provides a kind of terminal
Whether charge mode is constant current charging mode, if so, obtaining the actual charge current value of the terminal, judges the practical charging electricity
The size relation of flow valuve and preset charged current threshold adjusts the constant-current charge to obtain judging result according to the judgment result
Charging current controlling value in mode, so that the actual charge current value approaches and is no more than the preset charged current threshold.
The program is filled in constant current charging mode according to actual charge current value and the size relation of preset charged current threshold to adjust
Electric current control value is in a reasonable numberical range with controlling actual charge current value.It can either ensure practical charging
Current value is no more than the maximum current value that battery can bear, and can increase actual charge current value as far as possible.Relative to existing
For having technology, charge efficiency can be improved, shorten the charging time of battery.
It should be noted that those of ordinary skill in the art will appreciate that whole in the various methods of above-described embodiment or
Part steps are relevant hardware can be instructed to complete by program, which can store in computer-readable storage medium
In matter, storage medium may include: read-only memory (ROM, Read Only Memory), random access memory (RAM,
Random Access Memory), disk or CD etc..
A kind of charge control method, device and terminal is provided for the embodiments of the invention above to be described in detail,
Used herein a specific example illustrates the principle and implementation of the invention, and the explanation of above embodiments is only used
In facilitating the understanding of the method and its core concept of the invention；Meanwhile for those skilled in the art, think of according to the present invention
Think, there will be changes in the specific implementation manner and application range, in conclusion the content of the present specification should not be construed as pair
Limitation of the invention.
Claims (9)
1. a kind of charge control method is applied to terminal, which is characterized in that charging circuit is provided in the terminal, it is described to fill
Circuit includes charging chip, the charging current controlling value being provided under constant current charging mode in the charging chip, described to fill
Electric current control value is used for the actual charge current value of controlling terminal, and the charge control method includes:
When terminal is in charged state, judge whether the charge mode of the terminal is constant current charging mode；
If the determination result is YES, then the actual charge current value of the terminal is obtained；
The size relation of the actual charge current value and preset charged current threshold is judged, to obtain judging result；
When the judging result is that the actual charge current value is less than the preset charged current threshold, obtain described default
The difference of charging current threshold value and the actual charge current value；
Judge whether the difference is greater than preset difference value, the preset difference value is calculated according to the following formula:
Q=P × I/A, wherein Q is the preset difference value, and P is step value, and I is the actual charge current value, and A is charging current
Controlling value；
If the determination result is YES, then the charging current controlling value A in the constant current charging mode is increased into the step value P；
When the judging result is that the actual charge current value is greater than the preset charged current threshold, the constant current is filled
Charging current controlling value A in power mode reduces the step value P.
2. charge control method according to claim 1, which is characterized in that the judgement actual charge current value with
The size relation of preset charged current threshold, the step of to obtain judging result before, the charge control method further include:
Obtain the temperature of battery in the terminal；
Corresponding preset charged current threshold is obtained according to the temperature.
3. charge control method according to claim 2, which is characterized in that described corresponding pre- according to temperature acquisition
If the step of charging current threshold value, specifically includes:
Determine temperature range locating for the temperature；
Corresponding preset charged current threshold is obtained according to the temperature range.
4. charge control method according to claim 1, which is characterized in that the practical charging electricity for obtaining the terminal
The step of flow valuve, specifically includes:
Repeatedly obtain the instantaneous charge current value of the terminal；
Using the average value of multiple instantaneous charge current values as actual charge current value.
5. a kind of battery charge controller is applied to terminal, which is characterized in that charging circuit is provided in the terminal, it is described to fill
Circuit includes charging chip, the charging current controlling value being provided under constant current charging mode in the charging chip, described to fill
Electric current control value is used for the actual charge current value of controlling terminal, and the battery charge controller includes:
First judgment module, for judging whether the charge mode of the terminal is that constant current is filled when terminal is in charged state
Power mode；
First obtains module, is when being, to obtain actually filling for the terminal for the judging result in the first judgment module
Electric current value；
Second judgment module, for judging the size relation of the actual charge current value and preset charged current threshold, with
To judging result；
Module is adjusted, is used for:
When the judging result is that the actual charge current value is less than the preset charged current threshold, obtain described default
The difference of charging current threshold value and the actual charge current value；
Judge whether the difference is greater than preset difference value, the preset difference value is calculated according to the following formula:
Q=P × I/A, wherein Q is the preset difference value, and P is step value, and I is the actual charge current value, and A is charging current
Controlling value；
If the determination result is YES, then the charging current controlling value A in the constant current charging mode is increased into the step value P；
When the judging result is that the actual charge current value is greater than the preset charged current threshold, the constant current is filled
Charging current controlling value A in power mode reduces the step value P.
6. battery charge controller according to claim 5, which is characterized in that the battery charge controller further include:
Second obtains module, for obtaining the temperature of battery in the terminal；
Third obtains module, for obtaining corresponding preset charged current threshold according to the temperature.
7. battery charge controller according to claim 6, which is characterized in that the third obtains module and specifically includes:
Submodule is determined, for determining temperature range locating for the temperature；
Acquisition submodule, for obtaining corresponding preset charged current threshold according to the temperature range.
8. battery charge controller according to claim 5, which is characterized in that the first acquisition module is specifically used for:
When the judging result of the first judgment module is to be, the instantaneous charge current value of the terminal is repeatedly obtained；
Using the average value of multiple instantaneous charge current values as actual charge current value.
9. a kind of terminal characterized by comprising
Touch screen, for receiving the touch operation of user；
It is stored with the memory of executable program code；
The processor coupled with the memory；
The processor calls the executable program code stored in the memory, executes as appointed in Claims 1-4
Charge control method described in one.
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| CN106708158B (en) * | 2017-03-04 | 2017-11-17 | 国网福建省电力有限公司 | Enhanced information communicates coupler control system |
| CN108321897B (en) * | 2018-02-28 | 2022-03-25 | Tcl移动通信科技（宁波）有限公司 | Charging control method based on temperature balance, mobile terminal and storage medium |
| CN109066885B (en) * | 2018-09-04 | 2021-05-14 | 深圳市蓝禾技术有限公司 | Charger and charging method of the charger |
| WO2020061983A1 (en) * | 2018-09-28 | 2020-04-02 | 深圳市柔宇科技有限公司 | Charge control method and electronic device |
| CN113364067B (en) * | 2020-03-03 | 2022-08-05 | 荣耀终端有限公司 | Charging precision calibration method and electronic equipment |
| CN114179645A (en) * | 2020-09-15 | 2022-03-15 | 北京新能源汽车股份有限公司 | Wireless charging control method and device and vehicle |
| CN112590600B (en) * | 2020-12-21 | 2022-07-12 | 上汽通用五菱汽车股份有限公司 | Self-adaptive adjustment method for charging request current of quick-charging pile |
| CN113270929A (en) * | 2021-06-28 | 2021-08-17 | 华人运通(江苏)动力电池系统有限公司 | Method, device and equipment for determining remaining charging time of battery and readable storage medium |
| CN116409152B (en) * | 2021-12-30 | 2024-10-29 | 比亚迪股份有限公司 | Over-temperature protection method and device for charging device and electric vehicle |
| CN114614549B (en) * | 2022-04-28 | 2022-09-30 | 荣耀终端有限公司 | Charging method and related electronic equipment |
| CN116317031B (en) * | 2023-05-17 | 2023-08-15 | 深圳源川智控技术有限公司 | Charging current adjusting method, device and equipment for battery-changing cabinet and storage medium |
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