CN107508354A - A kind of charging method and mobile terminal - Google Patents
A kind of charging method and mobile terminal Download PDFInfo
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- CN107508354A CN107508354A CN201710800757.2A CN201710800757A CN107508354A CN 107508354 A CN107508354 A CN 107508354A CN 201710800757 A CN201710800757 A CN 201710800757A CN 107508354 A CN107508354 A CN 107508354A
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- H02J7/0077—
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention, which provides a kind of charging method and mobile terminal, the charging method, to be included：Trigger signal is exported to charger by positive signal data pin；Detect the voltage signal of negative signal data pin；According to the voltage signal and the corresponding relation of ratio pre-set, target ratio corresponding with the voltage signal detected is searched；If target ratio is less than the first predetermined threshold value, tune up the charging current limit of battery, and the control signal for tuning up output current is sent to charger, so that the ratio of power output and rated power of the charger after output current is tuned up is more than target ratio and less than or equal to 1, the first predetermined threshold value is the positive number less than or equal to 1.So mobile terminal can be reduced the charging interval, reduce the loss of battery of mobile terminal, improve the charging effect of mobile terminal on the premise of charging process safety is ensured.
Description
Technical field
The present invention relates to the communications field, more particularly to a kind of charging method and mobile terminal.
Background technology
As the manufacturer of manufacture charger is more and more, the charger species that in the market provides is also more and more, not of the same race
The power output of class charger is also different.In some cases, same manufacturer can be different model for the consideration of cost
Mobile terminal configuration different capacity charger, for example, the power of charger can be 5V × 1A, 5V × 1.5A, 5V × 2A
Or other power.When mobile terminal access charger is charged, if charging current is too small to extend the charging interval, influence to use
Experience at family；If the excessive rated power more than charger of charging current, mobile terminal charging safety can be both influenceed, can influence to move again
The battery of dynamic terminal.It can be seen that the problem of charging effect is poor in charging process be present.
The content of the invention
The embodiment of the present invention provides a kind of charging method and mobile terminal, to solve to have charging effect in charging process
The problem of poor.
In a first aspect, the embodiments of the invention provide a kind of charging method, the charging method is applied to have general string
The mobile terminal of row bus interface, the USB include positive signal data pin and negative signal data pin,
Including：
Trigger signal is exported to charger by the positive signal data pin, the trigger signal is used to control described fill
Electrical equipment transmits voltage signal to the negative signal data pin；
Detect the voltage signal of the negative signal data pin；
According to the voltage signal and the corresponding relation of ratio pre-set, search corresponding with the voltage signal detected
Target ratio, the ratio for the charger power output and rated power between ratio；
If the target ratio is less than the first predetermined threshold value, the charging current limit of battery is tuned up, and to the charging
Device sends the control signal for tuning up output current so that power output of the charger after output current is tuned up and specified work(
The ratio of rate is more than the target ratio and less than or equal to 1, and first predetermined threshold value is the positive number less than or equal to 1.
Second aspect, the embodiment of the present invention also provide a kind of mobile terminal, and the mobile terminal has USB
Interface, the USB include positive signal data pin and negative signal data pin, and the mobile terminal also wraps
Include：
Output module, for exporting trigger signal, the trigger signal to charger by the positive signal data pin
For controlling the charger to transmit voltage signal to the negative signal data pin；
Detection module, for detecting the voltage signal of the negative signal data pin；
Searching modul, for being detected according to the voltage signal and the corresponding relation of ratio pre-set, lookup with described
Voltage signal corresponding to target ratio, the ratio for the charger power output and rated power between ratio；
Adjusting module, if being less than the first predetermined threshold value for the target ratio, the charging current limit of battery is tuned up,
And the control signal for tuning up output current is sent to the charger so that output of the charger after output current is tuned up
The ratio of power and rated power is more than the target ratio and less than or equal to 1, and first predetermined threshold value is to be less than or wait
In 1 positive number.
The third aspect, the embodiment of the present invention also provide a kind of mobile terminal, and the mobile terminal includes：Memory, processing
Device and the computer program that can be run on the memory and on the processor is stored in, meter described in the computing device
The step in foregoing charging method is realized during calculation machine program.
Fourth aspect, the embodiment of the present invention also provide a kind of computer-readable recording medium, the computer-readable storage
Computer program is stored on medium, the computer program realizes the step in foregoing charging method when being executed by processor.
So, in the embodiment of the present invention, trigger signal is exported to charger by the positive signal data pin, it is described to touch
Signal for controlling the charger to transmit voltage signal to the negative signal data pin；The negative signal data are detected to draw
The voltage signal of pin；According to the voltage signal and the corresponding relation of ratio pre-set, search and believe with the voltage detected
Target ratio corresponding to number, ratio of the ratio between the power output and rated power of the charger；If the mesh
Mark ratio is less than the first predetermined threshold value, tunes up the charging current limit of battery, and sent to the charger and tune up output electricity
The control signal of stream so that the ratio of power output and rated power of the charger after output current is tuned up is more than described
Target ratio and less than or equal to 1, first predetermined threshold value is the positive number less than or equal to 1.So mobile terminal can be true
On the premise of protecting charging process safety, the charging interval is reduced, the loss of battery of mobile terminal is reduced, improves the charging of mobile terminal
Effect.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, needed for being described below to the embodiment of the present invention
The accompanying drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention,
For those of ordinary skill in the art, without having to pay creative labor, can also be obtained according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is a kind of flow chart of charging method provided in an embodiment of the present invention；
Fig. 2 is the flow chart of another charging method provided in an embodiment of the present invention；
Fig. 3 is a kind of structure chart of mobile terminal provided in an embodiment of the present invention；
Fig. 4 is the structure chart of another mobile terminal provided in an embodiment of the present invention；
Fig. 5 is the structure chart of another mobile terminal provided in an embodiment of the present invention；
Fig. 6 is the structure chart of another mobile terminal provided in an embodiment of the present invention；
Fig. 7 is the structure chart of another mobile terminal provided in an embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is part of the embodiment of the present invention, rather than whole embodiments.Based on this hair
Embodiment in bright, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example, belongs to the scope of protection of the invention.
Referring to Fig. 1, Fig. 1 is a kind of flow chart of charging method provided in an embodiment of the present invention, the charging method application
In the mobile terminal with USB, the USB includes positive signal data pin and negative letter
Number pin, as shown in figure 1, the charging method comprises the following steps：
Step 101, by the positive signal data pin to charger export trigger signal.
In the embodiment of the present invention, the trigger signal is used to control the charger to transmit to the negative signal data pin
Voltage signal.The size of the voltage signal is the numerical value pre-set, can be 3 volts, 3.3 volts or other numerical value.Pass through
The trigger signal, charger can be adjusted to the time of negative signal data pin output voltage signal, filled for example, can control
Electrical equipment is every 100 milliseconds or 150 milliseconds to negative signal data pin output voltage signal.
After the charger receives the trigger signal, charger obtains the ratio of power output and rated power, according to
The corresponding relation pre-set, inquire about corresponding with the ratio of acquisition target voltage numerical value, according to target voltage numerical value to
The negative signal data pin output voltage signal of mobile terminal.Specifically, power output and specified work(of the ratio for charger
Ratio between rate, for the numerical value between 0 to 100%, the corresponding relation of ratio and voltage value could be arranged to one specifically
The corresponding voltage value of ratio.For example, when ratio is 0, corresponding voltage value is 0 volt, corresponding when ratio is 100%
Voltage value be 1.8 volts, be equally divided into 100 parts by 1.8 volts, per it is a be 0.018 volt, set a percentage to correspond to
0.018 volt, so according to 0.018 volt corresponding to the concrete numerical value of ratio and a percentage, it may be determined that corresponding with ratio
Voltage value, for example, 1% is corresponding 0.018 volt, 2% is corresponding 0.036 volt, and 50% is corresponding 0.9 volt.
For example, if power output and the ratio of rated power that charger obtains are 50%, according to what is pre-set
The corresponding relation of ratio and voltage value, when inquiry target voltage numerical value corresponding with ratio 50% is 0.9 volt, to mobile terminal
Negative signal data pin output numerical value be 0.9 volt of voltage signal.
Step 102, the voltage signal for detecting negative signal data pin.
In the present embodiment, negative signal data pin is accessed digital analog converter by mobile terminal, is examined by digital analog converter
Survey the voltage signal that charger is sent to negative signal data pin.The voltage signal detected will be in a default value scope
Within, for example, voltage signal belongs within the volt of default value scope 0 to 1.8, the voltage signal detected can be 0.018 volt,
0.9 volt or 0.918 volt etc..
The corresponding relation of step 103, the voltage signal that basis is pre-set and ratio, search and the voltage detected
Target ratio corresponding to signal.
In the present embodiment, the corresponding relation is the corresponding relation of voltage signal and ratio.Specifically, ratio is to fill
Ratio between the power output and rated power of electrical equipment, for the numerical value between 0 to 100%, the correspondence of the ratio of voltage value
Relation could be arranged to the corresponding specific ratio of a specific voltage value.For example, when voltage value is 0 volt, corresponding ratio
For 0；When voltage value is 1.8 volts, ratio 100%；The corresponding percentage of numerical value 0.018, can so be determined and voltage number
Ratio corresponding to value, for example, ratio corresponding to 0.018 volt be 1%, 0.036 volt corresponding to ratio be to compare corresponding to 2%, 0.9 volt
It is worth for 50%.
For example, it is corresponding with ratio according to the voltage value pre-set if the voltage signal detected is 0.9 volt
Relation, power output and the ratio of rated power be 50%, according to the ratio and the corresponding relation of voltage value pre-set,
Inquiry is 50% with 0.9 volt of corresponding target ratio of voltage signal.It is 50% according to the ratio, it is known that charger is defeated
The ratio for going out power and rated functional is 50%, and the power output of charger is smaller, can be by increasing the output of charger
Power, improve charge efficiency.
Step 104, judge whether the target ratio is less than the first predetermined threshold value.
In the present embodiment, first predetermined threshold value is the positive number less than or equal to 1.First predetermined threshold value can be with
For the numerical value or default number of self-defined setting, for example, the first predetermined threshold value can be 50%, 80% or 90%.
In the present embodiment, if target ratio is less than the first predetermined threshold value, the power output of charger and specified is illustrated
The ratio of function is smaller, and the power output of charger is smaller.When the power output of charger is smaller, increasing can be passed through
The power output of big charger, improves charge efficiency.Generally, the output voltage of charger is fixed value, for example, charging
The output voltage of device is 5 volts, can increase power output by tuning up the output current of charger.
In the present embodiment, if target ratio is less than the first predetermined threshold value, step 105 is performed.If target ratio is more than
It first predetermined threshold value, then can be terminated with flow, can also determine whether target ratio is less than the 3rd predetermined threshold value, if mesh
Mark ratio is less than the 3rd predetermined threshold value, then can perform step 105, and the 3rd predetermined threshold value is more than the first predetermined threshold value and small
In 1.In the embodiment of the present invention, so that flow terminates as an example, but it is not limited thereto.
Step 105, the charging current limit for tuning up battery, and the control for tuning up output current is sent to the charger
Signal so that the ratio of power output and rated power of the charger after output current is tuned up is more than the target ratio
And less than or equal to 1.
In the present embodiment, the charging current limit of mobile terminal adjustment battery.When mobile terminal passes through target ratio
When determining that the power output of charger is less than rated power, the charging current limit of battery is tuned up, it is allowed to more charging electricity
Stream enters battery, and control charger loads higher output current, can improve the power output of charger, improve charger
The ratio of power output and rated power.So, charge efficiency can be improved, saving is filled on the premise of charging safety is ensured
The electric time.
In the embodiment of the present invention, above-mentioned mobile terminal can be with any mobile terminal for possessing USB, example
Such as：Mobile phone, tablet personal computer (Tablet Personal Computer), laptop computer (Laptop Computer), individual number
Word assistant (Personal Digital Assistant, abbreviation PDA), mobile Internet access device (Mobile Internet
Device, MID) or wearable device (Wearable Device) etc..
The charging method of the embodiment of the present invention is described general applied to the mobile terminal with USB
Serial bus interface includes positive signal data pin and negative signal data pin, by the positive signal data pin to charger
Trigger signal is exported, the trigger signal is used to control the charger to transmit voltage signal to the negative signal data pin；
Detect the voltage signal of the negative signal data pin；According to the voltage signal and the corresponding relation of ratio pre-set, search
Target ratio corresponding with the voltage signal detected, the ratio are the power output and rated power of the charger
Between ratio；If the target ratio is less than the first predetermined threshold value, the charging current limit of battery is tuned up, and is filled to described
Electrical equipment, which is sent, tunes up the control signal of output current so that power output of the charger after output current is tuned up with it is specified
The ratio of power is more than the target ratio and less than or equal to 1, and first predetermined threshold value is the positive number less than or equal to 1.
So mobile terminal on the premise of charging process safety is ensured, can tune up the charging current limit of battery, control charger
Output current is improved, the charging interval is reduced, reduces the loss of battery of mobile terminal, improve the charging effect of mobile terminal.
Referring to Fig. 2, Fig. 2 is a kind of flow chart of charging method provided in an embodiment of the present invention, the charging method application
In the mobile terminal with USB, the USB includes positive signal data pin and negative letter
Number pin, as shown in Fig. 2 the charging method comprises the following steps：
The charging port of step 201, the identification charger, the charging is determined according to the charging port of the charger
The maximum output current of device.
In the present embodiment, the charging port of the charger can be identified according to charge protocol specification, for example, according to electricity
The version of pond charging specifications 1.2 determines the charging port of charger.Three kinds of ports are defined in the version of battery charging specifications 1.2,
Standard down port, special charging port and charging downlink port, wherein, standard down can improve 500 milliamperes of charging electricity
Stream, special charging port can provide the electric current of the 1.5 peace above, and charging downlink port both supports large current charge, also supports logical
With the data transfer of the specification of universal serial bus 2.0.So, charger energy can be determined by the charging port of the charger identified
The maximum output current enough provided.
Step 202, judge whether the maximum output current of charger is more than the second predetermined threshold value.
In the present embodiment, the second predetermined threshold value can be 1 peace, 1.1 peaces or 1.2 peaces.If the maximum output of charger
Electric current is more than the second predetermined threshold value, then performs step 203.If the maximum current of charger is less than the second predetermined threshold value, flow
Terminate.
For example, if the second preset value is 1 peace, charger is detected according to the version of battery charging specifications 1.2, if
The charging port for identifying charger is special charging port, and the maximum output current for determining the special charging port of charger is
1.5 peaces, the peace of maximum output current 1.5 of charger are pacified more than the second predetermined threshold value 1, then perform step 203.
Step 203, by positive signal data pin to charger export trigger signal.
In the embodiment of the present invention, the trigger signal is used to control the charger to transmit to the negative signal data pin
Voltage signal.After the charger receives the trigger signal, charger obtains the ratio of power output and rated power, according to
The corresponding relation pre-set, inquire about corresponding with the ratio of acquisition target voltage numerical value, according to target voltage numerical value to
The negative signal data pin output voltage signal of mobile terminal.
Optionally, the step 203 may comprise steps of：It is defeated to the charger by the positive signal data pin
Go out the predeterminated voltage signal of preset duration.
For example, preset duration can be set to 100 milliseconds, predeterminated voltage signal can be 3.3 volts, pass through the positive letter
Number line continues 100 milliseconds of voltage signals that 3.3 volts are exported to charger；Preset duration can also be set to 120 milliseconds, preset
Voltage signal can also be set to 3 volts, by the positive signal data wire continue 120 milliseconds to charger export 3 volts voltage believe
Number.
In the present embodiment, by setting preset duration, charger can be adjusted electricity is transmitted by negative signal data pin
The interval time of signal is pressed, the interval time of output voltage signal can be gone out with Reasonable adjustment, reduces electric energy loss.
Step 204, the voltage signal for detecting negative signal data pin.
The step 204 is identical with the step 102 in the embodiment of the present invention, to avoid repeating, will not be repeated here.
The corresponding relation of step 205, the voltage signal that basis is pre-set and ratio, search and the voltage detected
Target ratio corresponding to signal.
The step 205 is identical with step 103 in the embodiment of the present invention, to avoid repeating, will not be repeated here.
Step 206, judge whether the target ratio is less than the first predetermined threshold value.
The step 206 is identical with step 104 in the embodiment of the present invention, to avoid repeating, will not be repeated here.
Step 206, the charging current limit for tuning up battery, and the control for tuning up output current is sent to the charger
Signal so that the ratio of power output and rated power of the charger after output current is tuned up is more than the target ratio
And less than or equal to 1.
Optionally, the step 206 may comprise steps of：
At least two numerical intervals are set；
Target value section belonging to determining the target ratio at least two numerical intervals；
According to the numerical intervals obtained in advance and the corresponding relation of adjustment amplitude, search corresponding with the target value section
Target Adjustment Magnitude；
Tune up the charging current limit of battery according to the Target Adjustment Magnitude, and according to the Target Adjustment Magnitude to
The charger sends the control signal for tuning up output current so that the charger tunes up according to the Target Adjustment Magnitude
The ratio of power output and rated power after output current is more than the target ratio and less than or equal to 1.
For example, at least two numerical intervals can be set to 70% to 80% section, 80% to 90% section and
90% to 100% section, 3 numerical intervals altogether.Pre-set 70% to 80% section, 80% to 90% section and
It is respectively 500 milliamperes, 200 milliamperes and 100 milliamperes that amplitude is adjusted corresponding to these three numerical intervals of 90% to 100% section,
If target ratio is 75%, it is determined that target ratio is the section that the numerical intervals belonging to 75% are 70% to 80%, with 70%
To 80% section corresponding to Target Adjustment Magnitude be 500 milliamperes.The charging current limit of battery is tuned up 500 milliamperes, and
Sent to charger and output current is tuned up to 500 milliamperes of control signal, after charger receives control signal, output current is carried
High 500 milliamperes, charger by output current after improving 500 milliamperes, and the ratio of power output and rated power is more than described
75% and less than or equal to 1.It should be noted that it can determine to adjust width corresponding to each numerical intervals by many experiments
Degree.
So, when the gap between power output and rated power is bigger, to the charging current limit of battery
Adjustment amplitude is larger, when the gap between power output and rated power is smaller, to the charging current limit of battery
Adjustment amplitude is smaller, and the power output of charger can be adjusted exactly, is maximally utilizing the output work of charger
While rate, the too high or too low situation of charging current is effectively prevented, it is possible to increase the service life of battery and charger.
In the present embodiment, after the step 206, can also comprise the following steps：
Judge whether to disconnect with the charger；
If being disconnected with the charger, the voltage signal that the positive signal data pin exports is adjusted to zero.
In the present embodiment, it will be disconnected when mobile terminal with charger, and illustrate that mobile terminal has terminated and charged
Journey, the voltage signal that the positive signal data pin exports at this moment is adjusted to zero, it is possible to reduce the electric energy loss of mobile terminal.
In the present embodiment, after the mobile terminal disconnects with the charger, mobile terminal will can also be born
Signal data pin is switched to USB from digital analog converter, in this way it can be ensured that mobile terminal can be by general
Serial bus data line is to other electronic equipment data.
The charging method of the embodiment of the present invention is described general applied to the mobile terminal with USB
Serial bus interface includes positive signal data pin and negative signal data pin, identifies the charging port of the charger, according to
The charging port of the charger determines the maximum output current of the charger, judges the maximum output current of the charger
Whether the second predetermined threshold value is more than；If the maximum output current of the charger is more than second predetermined threshold value, pass through institute
State positive signal data pin and export the trigger signal to the charger, the trigger signal be used to controlling the charger to
The negative signal data pin transmits voltage signal；Detect the voltage signal of the negative signal data pin；According to pre-setting
Voltage signal and ratio corresponding relation, search corresponding with the voltage signal detected target ratio, the ratio
The ratio between power output and rated power for the charger；If the target ratio is less than the first predetermined threshold value, adjust
The charging current limit of big battery, and the control signal for tuning up output current is sent to the charger so that the charging
The ratio of power output and rated power of the device after output current is tuned up is more than the target ratio and less than or equal to 1, institute
The first predetermined threshold value is stated as the positive number less than or equal to 1.So mobile terminal can judge charger whether be can provide it is larger
The charger of output current, when charger is that can provide the charger of larger output current, ensuring charging process safety
On the premise of, the charging current limit of battery is tuned up, control charger raising output current, the charging interval is reduced, reduces and move
The loss of dynamic end cell, improve the charging effect of mobile terminal.
Referring to Fig. 3, Fig. 3 is a kind of structure chart for mobile terminal that the present invention implements offer, and the mobile terminal has logical
With serial bus interface, the USB includes positive signal data pin and negative signal data pin, such as Fig. 3 institutes
Showing, mobile terminal 300 also includes output module 301, detection module 302, searching modul 303 and adjusting module 304, wherein：
Output module 301, for exporting trigger signal, the triggering letter to charger by the positive signal data pin
Number be used for control the charger to the negative signal data pin transmit voltage signal；
Detection module 302, for detecting the voltage signal of the negative signal data pin；
Searching modul 303, for according to the voltage signal and the corresponding relation of ratio pre-set, searching and the detection
Target ratio corresponding to the voltage signal arrived, ratio of the ratio between the power output and rated power of the charger
Value；
Adjusting module 304, if being less than the first predetermined threshold value for the target ratio, tune up the charging current limitation of battery
Value, and the control signal for tuning up output current is sent to the charger so that the charger is after output current is tuned up
The ratio of power output and rated power is more than the target ratio and less than or equal to 1, first predetermined threshold value be less than
Or the positive number equal to 1.
Optionally, referring to Fig. 4, Fig. 4 is a kind of structure chart for mobile terminal that the present invention implements offer.As shown in figure 4, institute
Stating output module 301 includes：
Submodule 3011 is identified, for identifying the charging port of the charger, according to the charging port of the charger
Determine the maximum output current of the charger；
Judging submodule 3012, for judging whether the maximum output current of the charger is more than the second predetermined threshold value；
Output sub-module 3013, if the maximum output current for the charger is more than second predetermined threshold value,
The trigger signal is exported to the charger by the positive signal data pin.
Optionally, referring to Fig. 5, Fig. 5 is a kind of structure chart for mobile terminal that the present invention implements offer.As shown in figure 5, institute
Stating adjusting module 304 includes：
Submodule 3041 is set, for setting at least two numerical intervals；
Determination sub-module 3042, the target affiliated at least two numerical intervals for determining the target ratio
Numerical intervals；
Search submodule 3043, for according to the numerical intervals that obtain in advance and the corresponding relation of adjustment amplitude, search with
Target Adjustment Magnitude corresponding to the target value section；
Submodule 3044 is adjusted, for tuning up the charging current limit of battery according to the Target Adjustment Magnitude, and is pressed
Sent according to the Target Adjustment Magnitude to the charger and tune up the control signal of output current so that the charger according to
The ratio that the Target Adjustment Magnitude tunes up the power output after output current and rated power is more than the target ratio and small
In or equal to 1.
Optionally, the output module 301, it is additionally operable to export in advance to the charger by the positive signal data pin
If the predeterminated voltage signal of duration.
Optionally, referring to Fig. 6, Fig. 6 is a kind of structure chart for mobile terminal that the present invention implements offer.As shown in fig. 6, institute
Stating mobile terminal 300 also includes：
Judge module 305, for judging whether to disconnect with the charger；
Processing module 306, if for being disconnected with the charger, by the voltage of positive signal data pin output
Signal is adjusted to zero.
Mobile terminal 300 can realize each process that mobile terminal is realized in Fig. 1 to Fig. 2 embodiment of the method, to keep away
Exempt to repeat, repeat no more here.
The mobile terminal 300 of the embodiment of the present invention, trigger signal is exported to charger by the positive signal data pin,
The trigger signal is used to control the charger to transmit voltage signal to the negative signal data pin；Detect the negative signal
The voltage signal of data pin；According to the voltage signal and the corresponding relation of ratio pre-set, search and to be detected with described
Target ratio corresponding to voltage signal, ratio of the ratio between the power output and rated power of the charger；If
The target ratio is less than the first predetermined threshold value, tunes up the charging current limit of battery, and send and tune up to the charger
The control signal of output current so that the ratio of power output and rated power of the charger after output current is tuned up is big
In the target ratio and less than or equal to 1, first predetermined threshold value is the positive number less than or equal to 1.Such mobile terminal
The charging interval can be reduced on the premise of charging process safety is ensured, reduce the loss of battery of mobile terminal, improve mobile terminal
Charging effect.
Referring to Fig. 7, Fig. 7 is the structure chart for the mobile terminal that the present invention implements offer, as shown in fig. 7, mobile terminal 700 wraps
Include：At least one processor 701, memory 702, at least one user interface 703 and network interface 704.In mobile terminal 700
Each component be coupled by bus system 705.It is understood that bus system 705 is used to realize between these components
Connection communication.Bus system 705 is in addition to including data/address bus, in addition to power bus, controlling bus and status signal bus in addition.
But for the sake of clear explanation, various buses are all designated as bus system 705 in the figure 7, mobile terminal 700 also includes general
Serial bus interface 706, USB 706 are connected by bus system 705 with each component of mobile terminal.
Wherein, user interface 703 can include display, keyboard or pointing device (for example, mouse, trace ball
(trackball), touch-sensitive plate or touch-screen etc..
It is appreciated that the memory 702 in the embodiment of the present invention can be volatile memory or nonvolatile memory,
Or it may include both volatibility and nonvolatile memory.Wherein, nonvolatile memory can be read-only storage (Read-
Only Memory, ROM), programmable read only memory (Programmable ROM, PROM), the read-only storage of erasable programmable
Device (Erasable PROM, EPROM), Electrically Erasable Read Only Memory (Electrically EPROM, EEPROM) or
Flash memory.Volatile memory can be random access memory (Random Access Memory, RAM), and it is used as outside high
Speed caching.By exemplary but be not restricted explanation, the RAM of many forms can use, such as static RAM
(Static RAM, SRAM), dynamic random access memory (Dynamic RAM, DRAM), Synchronous Dynamic Random Access Memory
(Synchronous DRAM, SDRAM), double data speed synchronous dynamic RAM (Double Data Rate
SDRAM, DDRSDRAM), enhanced Synchronous Dynamic Random Access Memory (Enhanced SDRAM, ESDRAM), synchronized links
Dynamic random access memory (Synchlink DRAM, SLDRAM) and direct rambus random access memory (Direct
Rambus RAM, DRRAM).The memory 702 of system and method described herein be intended to including but not limited to these and it is any its
It is adapted to the memory of type.
In some embodiments, memory 702 stores following element, can perform module or data structure, or
Their subset of person, or their superset：Operating system 7021 and application program 7022.
Wherein, operating system 7021, comprising various system programs, such as ccf layer, core library layer, driving layer etc., it is used for
Realize various basic businesses and the hardware based task of processing.Application program 7022, include various application programs, such as media
Player (Media Player), browser (Browser) etc., for realizing various applied business.Realize the embodiment of the present invention
The program of method may be embodied in application program 7022.
In embodiments of the present invention, mobile terminal 700 also includes：It is stored on memory 702 and can be in processor 701
The computer program of upper operation, computer program realize following steps when being performed by processor 701：
Trigger signal is exported to charger by the positive signal data pin, the trigger signal is used to control described fill
Electrical equipment transmits voltage signal to the negative signal data pin；
Detect the voltage signal of the negative signal data pin；
According to the voltage signal and the corresponding relation of ratio pre-set, search corresponding with the voltage signal detected
Target ratio, the ratio for the charger power output and rated power between ratio；
If the target ratio is less than the first predetermined threshold value, the charging current limit of battery is tuned up, and to the charging
Device sends the control signal for tuning up output current so that power output of the charger after output current is tuned up and specified work(
The ratio of rate is more than the target ratio and less than or equal to 1, and first predetermined threshold value is the positive number less than or equal to 1.
The method that the embodiments of the present invention disclose can apply in processor 701, or be realized by processor 701.
Processor 701 is probably a kind of IC chip, has the disposal ability of signal.In implementation process, the above method it is each
Step can be completed by the integrated logic circuit of the hardware in processor 701 or the instruction of software form.Above-mentioned processing
Device 701 can be general processor, digital signal processor (Digital Signal Processor, DSP), special integrated electricity
Road (Application Specific Integrated Circuit, ASIC), ready-made programmable gate array (Field
Programmable Gate Array, FPGA) either other PLDs, discrete gate or transistor logic,
Discrete hardware components.It can realize or perform disclosed each method, step and the logic diagram in the embodiment of the present invention.It is general
Processor can be microprocessor or the processor can also be any conventional processor etc..With reference to institute of the embodiment of the present invention
The step of disclosed method, can be embodied directly in hardware decoding processor and perform completion, or with the hardware in decoding processor
And software module combination performs completion.Software module can be located at random access memory, flash memory, read-only storage, may be programmed read-only
In the ripe storage medium in this area such as memory or electrically erasable programmable memory, register.The storage medium is located at
Memory 702, processor 701 read the information in memory 702, with reference to the step of its hardware completion above method.
It is understood that embodiments described herein can use hardware, software, firmware, middleware, microcode or its
Combine to realize.Realized for hardware, processing unit can be realized in one or more application specific integrated circuit (Application
Specific Integrated Circuits, ASIC), digital signal processor (Digital Signal Processing,
DSP), digital signal processing appts (DSP Device, DSPD), programmable logic device (Programmable Logic
Device, PLD), field programmable gate array (Field-Programmable Gate Array, FPGA), general processor,
In controller, microcontroller, microprocessor, other electronic units for performing herein described function or its combination.
Realize, can be realized herein by performing the module (such as process, function etc.) of function described herein for software
Described technology.Software code is storable in memory and passes through computing device.Memory can within a processor or
Realized outside processor.
Optionally, the processor 701 performs described exported by the positive signal data pin to charger and triggers letter
Number, including：
The charging port of the charger is identified, the maximum of the charger is determined according to the charging port of the charger
Output current；
Judge whether the maximum output current of the charger is more than the second predetermined threshold value；
If the maximum output current of the charger is more than second predetermined threshold value, drawn by the positive signal data
Pin exports the trigger signal to the charger.
Optionally, if the processor 701 performs the target ratio and is less than the first predetermined threshold value, battery is tuned up
Charging current limit, and the control signal for tuning up output current is sent to the charger so that the charger is tuning up
The ratio of power output and rated power after output current is more than the target ratio and less than or equal to 1, including：
At least two numerical intervals are set；
Target value section belonging to determining the target ratio at least two numerical intervals；
According to the numerical intervals obtained in advance and the corresponding relation of adjustment amplitude, search corresponding with the target value section
Target Adjustment Magnitude；
Tune up the charging current limit of battery according to the Target Adjustment Magnitude, and according to the Target Adjustment Magnitude to
The charger sends the control signal for tuning up output current so that the charger tunes up according to the Target Adjustment Magnitude
The ratio of power output and rated power after output current is more than the target ratio and less than or equal to 1.
Optionally, the processor 701 performs described exported by the positive signal data pin to charger and triggers letter
Number, including：
The predeterminated voltage signal of preset duration is exported to the charger by the positive signal data pin.
Optionally, following steps can also be realized when computer program is performed by processor 701：
Judge whether to disconnect with the charger；
If being disconnected with the charger, the voltage signal that the positive signal data pin exports is adjusted to zero.
Mobile terminal 700 can realize each process that mobile terminal is realized in previous embodiment, to avoid repeating, here
Repeat no more.
The mobile terminal 700 of the embodiment of the present invention, trigger signal is exported to charger by the positive signal data pin,
The trigger signal is used to control the charger to transmit voltage signal to the negative signal data pin；Detect the negative signal
The voltage signal of data pin；According to the voltage signal and the corresponding relation of ratio pre-set, search and to be detected with described
Target ratio corresponding to voltage signal, ratio of the ratio between the power output and rated power of the charger；If
The target ratio is less than the first predetermined threshold value, tunes up the charging current limit of battery, and send and tune up to the charger
The control signal of output current so that the ratio of power output and rated power of the charger after output current is tuned up is big
In the target ratio and less than or equal to 1, first predetermined threshold value is the positive number less than or equal to 1.Such mobile terminal
The charging interval can be reduced on the premise of charging process safety is ensured, reduce the loss of battery of mobile terminal, improve mobile terminal
Charging effect.
The present invention also provides a kind of computer-readable recording medium, and computer is stored on the computer-readable recording medium
Program, the computer program realize following steps when being executed by processor：
Trigger signal is exported to charger by the positive signal data pin, the trigger signal is used to control described fill
Electrical equipment transmits voltage signal to the negative signal data pin；
Detect the voltage signal of the negative signal data pin；
According to the voltage signal and the corresponding relation of ratio pre-set, search corresponding with the voltage signal detected
Target ratio, the ratio for the charger power output and rated power between ratio；
If the target ratio is less than the first predetermined threshold value, the charging current limit of battery is tuned up, and to the charging
Device sends the control signal for tuning up output current so that power output of the charger after output current is tuned up and specified work(
The ratio of rate is more than the target ratio and less than or equal to 1, and first predetermined threshold value is the positive number less than or equal to 1.
Optionally, it is described by the positive signal data pin to charger export trigger signal the step of, including：
The charging port of the charger is identified, the maximum of the charger is determined according to the charging port of the charger
Output current；
Judge whether the maximum output current of the charger is more than the second predetermined threshold value；
If the maximum output current of the charger is more than second predetermined threshold value, drawn by the positive signal data
Pin exports the trigger signal to the charger.
Optionally, if the target ratio is less than the first predetermined threshold value, the charging current limit of battery is tuned up, and
The control signal for tuning up output current is sent to the charger so that output work of the charger after output current is tuned up
The step of ratio of rate and rated power is more than the target ratio and is less than or equal to 1, including：
At least two numerical intervals are set；
Target value section belonging to determining the target ratio at least two numerical intervals；
According to the numerical intervals obtained in advance and the corresponding relation of adjustment amplitude, search corresponding with the target value section
Target Adjustment Magnitude；
Tune up the charging current limit of battery according to the Target Adjustment Magnitude, and according to the Target Adjustment Magnitude to
The charger sends the control signal for tuning up output current so that the charger tunes up according to the Target Adjustment Magnitude
The ratio of power output and rated power after output current is more than the target ratio and less than or equal to 1.
Optionally, it is described by the positive signal data pin to charger export trigger signal the step of, including：
The predeterminated voltage signal of preset duration is exported to the charger by the positive signal data pin.
Optionally, following steps are also realized when the computer program is executed by processor：
Judge whether to disconnect with the charger；
If being disconnected with the charger, the voltage signal that the positive signal data pin exports is adjusted to zero.
Those of ordinary skill in the art are it is to be appreciated that the list of each example described with reference to the embodiments described herein
Member and algorithm steps, it can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually
Performed with hardware or software mode, application-specific and design constraint depending on technical scheme.Professional and technical personnel
Described function can be realized using distinct methods to each specific application, but this realization is it is not considered that exceed
The scope of the present invention.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, the corresponding process in preceding method embodiment is may be referred to, will not be repeated here.
In embodiment provided herein, it should be understood that disclosed apparatus and method, others can be passed through
Mode is realized.For example, device embodiment described above is only schematical, for example, the division of the unit, is only
A kind of division of logic function, can there is an other dividing mode when actually realizing, for example, multiple units or component can combine or
Person is desirably integrated into another system, or some features can be ignored, or does not perform.Another, shown or discussed is mutual
Between coupling or direct-coupling or communication connection can be INDIRECT COUPLING or communication link by some interfaces, device or unit
Connect, can be electrical, mechanical or other forms.
The unit illustrated as separating component can be or may not be physically separate, show as unit
The part shown can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On NE.Some or all of unit therein can be selected to realize scheme of the embodiment of the present invention according to the actual needs
Purpose.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, can also
That unit is individually physically present, can also two or more units it is integrated in a unit.
If the function is realized in the form of SFU software functional unit and is used as independent production marketing or in use, can be with
It is stored in a computer read/write memory medium.Based on such understanding, technical scheme is substantially in other words
The part to be contributed to prior art or the part of the technical scheme can be embodied in the form of software product, the meter
Calculation machine software product is stored in a storage medium, including some instructions are causing a computer equipment (can be
People's computer, server, or network equipment etc.) perform all or part of step of each embodiment methods described of the present invention.
And foregoing storage medium includes：USB flash disk, mobile hard disk, ROM, RAM, magnetic disc or CD etc. are various can be with store program codes
Medium.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be defined by scope of the claims.
Claims (12)
1. a kind of charging method, applied to the mobile terminal with USB, the USB
Including positive signal data pin and negative signal data pin, it is characterised in that the charging method includes：
Trigger signal is exported to charger by the positive signal data pin, the trigger signal is used to control the charger
Voltage signal is transmitted to the negative signal data pin；
Detect the voltage signal of the negative signal data pin；
According to the voltage signal and the corresponding relation of ratio pre-set, mesh corresponding with the voltage signal detected is searched
Mark ratio, ratio of the ratio between the power output and rated power of the charger；
If the target ratio is less than the first predetermined threshold value, the charging current limit of battery is tuned up, and send out to the charger
Send the control signal for tuning up output current so that power output and rated power of the charger after output current is tuned up
Ratio is more than the target ratio and less than or equal to 1, and first predetermined threshold value is the positive number less than or equal to 1.
2. charging method as claimed in claim 1, it is characterised in that it is described by the positive signal data pin to charger
The step of exporting trigger signal, including：
The charging port of the charger is identified, the maximum output of the charger is determined according to the charging port of the charger
Electric current；
Judge whether the maximum output current of the charger is more than the second predetermined threshold value；
If the maximum output current of the charger is more than second predetermined threshold value, by the positive signal data pin to
The charger exports the trigger signal.
3. the charging method as described in claim any one of 1-2, it is characterised in that if the target ratio is less than first
Predetermined threshold value, the charging current limit of battery is tuned up, and the control signal for tuning up output current is sent to the charger, made
The ratio for obtaining power output and rated power of the charger after output current is tuned up is more than the target ratio and is less than
Or the step of equal to 1, including：
At least two numerical intervals are set；
Target value section belonging to determining the target ratio at least two numerical intervals；
According to the numerical intervals obtained in advance and the corresponding relation of adjustment amplitude, mesh corresponding with the target value section is searched
Mark adjustment amplitude；
Tune up the charging current limit of battery according to the Target Adjustment Magnitude, and according to the Target Adjustment Magnitude to described
Charger sends the control signal for tuning up output current so that the charger is tuning up output according to the Target Adjustment Magnitude
The ratio of power output and rated power after electric current is more than the target ratio and less than or equal to 1.
4. charging method as claimed in claim 1, it is characterised in that it is described by the positive signal data pin to charger
The step of exporting trigger signal, including：
The predeterminated voltage signal of preset duration is exported to the charger by the positive signal data pin.
5. charging method as claimed in claim 4, it is characterised in that if the target ratio is less than the first default threshold
Value, the charging current limit of battery is tuned up, and the control signal for tuning up output current is sent to the charger so that be described
Charger is after the step of power output after tuning up output current and the ratio of rated power are more than predetermined threshold value, the side
Method also includes：
Judge whether to disconnect with the charger；
If being disconnected with the charger, the voltage signal that the positive signal data pin exports is adjusted to zero.
6. a kind of mobile terminal, the mobile terminal has USB, and the USB includes
Positive signal data pin and negative signal data pin, it is characterised in that the mobile terminal also includes：
Output module, for exporting trigger signal to charger by the positive signal data pin, the trigger signal is used for
The charger is controlled to transmit voltage signal to the negative signal data pin；
Detection module, for detecting the voltage signal of the negative signal data pin；
Searching modul, for according to the voltage signal and the corresponding relation of ratio pre-set, searching and the electricity detected
Press target ratio corresponding to signal, ratio of the ratio between the power output and rated power of the charger；
Adjusting module, if being less than the first predetermined threshold value for the target ratio, tune up the charging current limit of battery, and to
The charger sends the control signal for tuning up output current so that power output of the charger after output current is tuned up
It is more than the target ratio and less than or equal to 1 with the ratio of rated power, first predetermined threshold value is less than or equal to 1
Positive number.
7. mobile terminal as claimed in claim 6, it is characterised in that the output module includes：
Submodule is identified, for identifying the charging port of the charger, according to determining the charging port of the charger
The maximum output current of charger；
Judging submodule, for judging whether the maximum output current of the charger is more than the second predetermined threshold value；
Output sub-module, if the maximum output current for the charger is more than second predetermined threshold value, by described
Positive signal data pin exports the trigger signal to the charger.
8. the mobile terminal as described in claim any one of 6-7, it is characterised in that the adjusting module includes：
Submodule is set, for setting at least two numerical intervals；
Determination sub-module, the target value area affiliated at least two numerical intervals for determining the target ratio
Between；
Submodule is searched, for according to the numerical intervals obtained in advance and the corresponding relation of adjustment amplitude, searching and the target
Target Adjustment Magnitude corresponding to numerical intervals；
Submodule is adjusted, for tuning up the charging current limit of battery according to the Target Adjustment Magnitude, and according to the mesh
Mark adjustment amplitude sends the control signal for tuning up output current to the charger so that the charger is according to the target
Adjustment amplitude tunes up the power output after output current and the ratio of rated power is more than the target ratio and is less than or equal to
1。
9. mobile terminal as claimed in claim 6, it is characterised in that the output module, be additionally operable to by the positive signal
Data pin exports the predeterminated voltage signal of preset duration to the charger.
10. mobile terminal as claimed in claim 9, it is characterised in that also include：
Judge module, for judging whether to disconnect with the charger；
Processing module, if for being disconnected with the charger, the voltage signal of positive signal data pin output is adjusted
Whole is zero.
11. a kind of mobile terminal, including：Memory, processor and it is stored on the memory and can be on the processor
The computer program of operation；Characterized in that, such as claim 1 to 5 is realized described in the computing device during computer program
The step in charging method described in any one.
12. a kind of computer-readable recording medium, it is characterised in that computer journey is stored on the computer-readable recording medium
Sequence, the step in the charging method as described in any one of claim 1 to 5 is realized when the computer program is executed by processor
Suddenly.
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| CN107508354B (en) | 2019-03-01 |
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