CN106663848A - Charging method and mobile terminal - Google Patents

Charging method and mobile terminal Download PDF

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Publication number
CN106663848A
CN106663848A CN201580004159.3A CN201580004159A CN106663848A CN 106663848 A CN106663848 A CN 106663848A CN 201580004159 A CN201580004159 A CN 201580004159A CN 106663848 A CN106663848 A CN 106663848A
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value
data model
temperature rise
rise data
target
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CN106663848B (en
Inventor
孙文涌
胡军
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Honor Device Co Ltd
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Huawei Technologies Co Ltd
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/44—Methods for charging or discharging
    • 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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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

A charging method. The method comprises: acquiring a temperature-rising data model, the temperature-rising data model comprising a correlation among a temperature-rising value of a charging chip, a charging current and a working voltage of a battery; acquiring a target working voltage value of the battery, the target working voltage value of the battery being a current working voltage value of the battery; according to the target working voltage value of the battery and the temperature-rising data model, determining a target charging current corresponding to a temperature-rising value satisfying a pre-set condition; and setting a charging current of the battery as the target charging current.

Description

Charging method and mobile terminal Technical field
The present embodiments relate to circuit field, more particularly to charging method and mobile terminal.
Background technology
Linear-charging is a kind of common charging modes, and linear-charging chip is low due to conversion efficiency, and amount of heat can be produced during work, causes mobile phone temp to rise too high, and is easily damaged mobile phone and causes potential safety hazard.
The partial pressure that the heat that chip is produced is approximately equal to chip is multiplied by charging current, so in the prior art, typically cooling by the way of software progressively lowers charging current to chip.
But it is that while reduction charging current, Pmos tube impedances can also increase, which results in the increase of chip partial pressure by controlling Pmos pipes to reduce electric current for some linear-charging chips, and when partial pressure increase is excessive, the heat increase that chip is produced.That is, in some scenes, reducing charging current, the heat of chip generation is not reduced not only, the increase of heat is instead resulted in, and aggravation mobile phone temp rises, and damages mobile phone and causes potential safety hazard.
The content of the invention
The embodiments of the invention provide charging method and mobile terminal, for selecting under present battery operating voltage, temperature rising value meets the optimal charge electric current of prerequisite, it is to avoid due to reduction charging current, cause partial pressure too high, the potential safety hazard that aggravation mobile phone temp rises and caused.
In view of this, first aspect present invention provides a kind of charging method, including：
Temperature rise data model is obtained, the temperature rise data model includes the corresponding relation of the operating voltage of temperature rising value, charging current and the battery of charging chip；
The target operating voltage value of battery is obtained, the target operating voltage value of the battery is the current operational voltage value of the battery；
Determined to meet the corresponding target charge current of temperature rising value of prerequisite according to the target operating voltage value of the battery and the temperature rise data model；
The charging current of the battery is set to target charge current.
With reference to first aspect present invention, in the first embodiment of first aspect present invention, the acquisition for mobile terminal temperature rise data model includes：
The operational voltage value of simulated battery is determined, and adjusts charging current gear, record the corresponding temperature rising value of each charging current gear, the temperature rising value is the surface temperature of charging chip in preset time Rising value；
The corresponding temperature rise data model of the constant voltage values is generated according to each described charging current gear and the temperature rising value.
With reference to first aspect present invention, in the second embodiment of first aspect present invention, the target operating voltage value and the temperature rise data model according to the battery, it is determined that meeting the corresponding target charge current of temperature rising value of prerequisite includes：
The corresponding target temperature rise data model of target operating voltage value of the battery is calculated according to the temperature rise data model；
Selected to meet the corresponding target charge current of temperature rising value of prerequisite according to the target temperature rise data model.
With reference to the second embodiment of first aspect present invention, in the 3rd embodiment of first aspect present invention, the corresponding target temperature rise data model of target operating voltage value for calculating the battery according to the temperature rise data model includes：
Judge whether the operating voltage in the temperature rise data model includes the target operating voltage value；
If so, then regarding the corresponding temperature rise data model of target operating voltage value described in the temperature rise data model as target temperature rise data model；
If it is not, then determining target temperature rise data model according to temperature rise data model corresponding with the operational voltage value that the target operating voltage value difference value meets prerequisite in the temperature rise data model.
With reference to the 3rd embodiment mode of first aspect present invention, it is described to determine that target temperature rise data model includes according to temperature rise data model corresponding with the operational voltage value that the target operating voltage value difference value meets prerequisite in the temperature rise data model in 4th embodiment of first aspect present invention：
Determine the first operational voltage value and the second operational voltage value minimum with the target operating voltage value difference value in the temperature rise data model；
Determine the corresponding first temperature rise data model of first operational voltage value and the corresponding second temperature rise data model of the second operational voltage value；
Linearly calculated according to the first temperature rise data model and the second temperature rise data model and obtain the target operating voltage value and the corresponding target temperature rising value of each charging current gear；
According to each described charging current gear and target temperature rising value generation target temperature rise data model.
Second embodiment, the 3rd embodiment or the 4th embodiment with reference to first aspect present invention, it is described to select the corresponding target charge current of temperature rising value for meeting prerequisite to include according to the target temperature rise data model in 5th embodiment of first aspect present invention：
Determine the backup temperature rising value less than preset temperature rising value in the temperature rising value of the target temperature rise data model；
Determine the corresponding alternative charging current of the backup temperature rising value；
It regard the maximum charging current in the alternative charging current as target charge current.
Second embodiment, the 3rd embodiment or the 4th embodiment with reference to first aspect present invention, it is described to select the corresponding target charge current of temperature rising value for meeting prerequisite to include according to the target temperature rise data model in 6th embodiment of first aspect present invention：
Determine the minimum value in the temperature rising value of the target temperature rise data model；
By the corresponding charging current of the minimum value alternately charging current；
It regard the maximum charging current in the alternative charging current as target charge current.
Second aspect of the present invention provides a kind of charging method, including：
The charging current of regulating cell in the range of preset current, and read the input terminal voltage and output end voltage of charging chip under different charging currents；
The corresponding thermal losses value of each charging current is calculated according to the input terminal voltage and output end voltage；
Determine to meet the corresponding target charge current of thermal losses value of prerequisite in the thermal losses value；
The charging current of battery is set to target charge current.
With reference to second aspect of the present invention, in the first embodiment of second aspect of the present invention, the corresponding target charge current of thermal losses value for determining to meet prerequisite in the thermal losses value includes：
Determine the alternative thermal losses value less than preset thermal losses value in the thermal losses value；
Determine the corresponding alternative charging current of the alternative thermal losses value；
It regard the maximum charging current in the alternative charging current as target charge current.
With reference to second aspect of the present invention, in the second embodiment of second aspect of the present invention, the corresponding target charge current of thermal losses value for determining to meet prerequisite in the thermal losses value includes：
Determine the minimum value thermal losses in the thermal losses value；
Determine the corresponding alternative charging current of the minimum value thermal losses；
It regard the maximum charging current in the alternative charging current as target charge current.
Third aspect present invention provides a kind of mobile terminal, including：
First acquisition module, for obtaining temperature rise data model, the temperature rise data model includes the corresponding relation of the operating voltage of temperature rising value, charging current and the battery of charging chip；
Second acquisition module, the target operating voltage value for obtaining battery, the target operating voltage value of the battery is the current operational voltage value of the battery；
Determining module, the temperature rise data model obtained for the target operating voltage value of the battery obtained according to second acquisition module and first acquisition module, it is determined that meeting the corresponding target charge current of temperature rising value of prerequisite；
Setup module, for the charging current of the battery to be set into the target charge current that the determining module is determined.
With reference to third aspect present invention, in the first embodiment of third aspect present invention, first acquisition module includes：
Control submodule, for determining the operational voltage value of battery, and adjusts charging current gear, records the corresponding temperature rising value of each charging current gear, and the temperature rising value is rising value of the surface temperature of charging chip in preset time；
Submodule is generated, each charging current gear and temperature rising value for being recorded according to described control unit generate the corresponding temperature rise data model of the operational voltage value.
With reference to third aspect present invention, in the second embodiment of third aspect present invention, the determining module includes：
Calculating sub module, the corresponding target temperature rise data model of target operating voltage value for calculating the battery according to the temperature rise data model；
Submodule is selected, for selecting to meet the corresponding target charge current of temperature rising value of prerequisite according to the target temperature rise data model.
With reference to the second embodiment of third aspect present invention, in the 3rd embodiment of third aspect present invention, the calculating sub module includes：
Whether judging unit, the operating voltage for judging in the temperature rise data model that first acquisition module is obtained includes the target operating voltage value that the acquisition module is obtained；
First determining unit, for when the judging unit determines that the operating voltage includes the target operating voltage value, the corresponding temperature rise data model of target operating voltage value described in the temperature rise data model to be made For target temperature rise data model；
Second determining unit, for when the judging unit determines that the operating voltage does not include the target operating voltage value, target temperature rise data model to be determined according to temperature rise data model corresponding with the operational voltage value that the target operating voltage value difference value meets prerequisite in the temperature rise data model.
With reference to the 3rd embodiment of third aspect present invention, in the 4th embodiment of third aspect present invention, second determining unit includes：
First determination subelement, for determining the first operational voltage value and the second operational voltage value minimum with the target operating voltage value difference value in the temperature rise data model；
Second determination subelement, for determining the corresponding first temperature rise data model of the first operational voltage value and the corresponding second temperature rise data model of the second operational voltage value that first determination subelement is determined；
Computation subunit, the first temperature rise data model and the second temperature rise data model for being determined according to second determination subelement, which are linearly calculated, obtains the target operating voltage value and the corresponding target temperature rising value of each charging current gear；
Subelement is generated, the target temperature rising value for being obtained according to each described charging current gear and the computation subunit generates target temperature rise data model.
In second embodiment, the 3rd embodiment or the 4th embodiment with reference to third aspect present invention, the 5th embodiment of third aspect present invention, the selection submodule includes：
It is less than the backup temperature rising value of preset temperature rising value in 3rd determining unit, the temperature rising value for determining the target temperature rise data model；
4th determining unit, for determining the corresponding alternative charging current of the backup temperature rising value；
5th determining unit, target charge current is used as the maximum charging current in the alternative charging current that determines the 4th determining unit.
In second embodiment, the 3rd embodiment or the 4th embodiment with reference to third aspect present invention, the 6th embodiment of third aspect present invention, the selection submodule includes：
6th determining unit, the minimum value in temperature rising value for determining the target temperature rise data model；
7th determining unit, for determining the corresponding alternative charging current of minimum value that the 6th determining unit is determined；
8th determining unit, for the maximum in the alternative charging current that determines the 7th determining unit Charging current is used as target charge current.
Fourth aspect present invention provides a kind of mobile terminal, including：
Control module, for the charging current of the regulating cell in the range of preset current, and reads the input terminal voltage and output end voltage of charging chip under different charging currents；
Computing module, for calculating the corresponding thermal losses value of each charging current according to the input terminal voltage and output end voltage；
Determining module, the corresponding target charge current of thermal losses value for determining to meet prerequisite in the thermal losses value that the computing module is obtained；
Setup module, for the charging current of battery to be set into the target charge current that the determining module is determined.
With reference to fourth aspect present invention, in the first embodiment of fourth aspect present invention, the determining module includes：
First determination sub-module, for determining the alternative thermal losses value in the thermal losses value less than preset thermal losses value；
Second determination sub-module, for determining the corresponding alternative charging current of alternative thermal losses value that first determination sub-module is determined；
3rd determination sub-module, target charge current is used as the maximum charging current in the alternative charging current that determines second determination sub-module.
With reference to fourth aspect present invention, in the second embodiment of fourth aspect present invention, the determining module includes：
4th determination sub-module, for determining the minimum value thermal losses in the thermal losses value；
5th determination sub-module, for determining the corresponding alternative charging current of minimum value thermal losses that the 4th determination sub-module is determined；
6th determination sub-module, target charge current is used as the maximum charging current in the alternative charging current that determines the 5th determination sub-module.
Fifth aspect present invention provides a kind of mobile terminal, including：Processor, charging control circuit, voltage detecting circuit and memory；
The voltage detecting circuit performs following steps：It is connected with battery, obtains the operating voltage of battery；
The computing device following steps：
Temperature rise data model is obtained, the temperature rise data model includes the corresponding relation of the operating voltage of temperature rising value, charging current and the battery of charging chip；
According to the target operating voltage value of the battery and the temperature rise data model, the corresponding target charge current of temperature rising value of prerequisite is determined；
The charging control circuit performs following steps：The charging current of the battery is set to the target charge current that the processor is determined.
With reference to fifth aspect present invention, in the first embodiment of fifth aspect present invention,
The charging control circuit specifically performs following steps：
Adjust charging current gear；
The storage implement body performs following steps：Record the corresponding temperature rising value of each charging current gear；
The processing implement body performs following steps：
Determine the operational voltage value of simulated battery；
Each charging current gear and the temperature rising value recorded according to the memory generates the corresponding temperature rise data model of the operational voltage value, and the temperature rising value is rising value of the surface temperature of charging chip in preset time.
With reference to fifth aspect present invention, in the second embodiment of fifth aspect present invention, the processing implement body performs following steps：
The corresponding target temperature rise data model of target operating voltage value of the battery is calculated according to the temperature rise data model, the target temperature rise data model includes the corresponding charging current of target operating voltage value and temperature rising value of the battery；
Selected to meet the corresponding target charge current of temperature rising value of prerequisite according to the target temperature rise data model.
With reference to the second embodiment of fifth aspect present invention, in the 3rd embodiment of fifth aspect present invention, the processing implement body performs following steps：
Judge whether the operating voltage in the temperature rise data model includes the target operating voltage value；
If so, then regarding the corresponding temperature rise data model of target operating voltage value described in the temperature rise data model as target temperature rise data model；
If it is not, then according to meeting preset bar with the target operating voltage value difference value in the temperature rise data model The corresponding temperature rise data model of operational voltage value of part determines target temperature rise data model.
With reference to the 3rd embodiment of fifth aspect present invention, in the 4th embodiment of fifth aspect present invention, the processing implement body performs following steps：
Determine the first operational voltage value and the second operational voltage value minimum with the target operating voltage value difference value in the temperature rise data model；
Determine the corresponding first temperature rise data model of first operational voltage value and the corresponding second temperature rise data model of the second operational voltage value；
Linearly calculated according to the first temperature rise data model and the second temperature rise data model and obtain the target operating voltage value and the corresponding target temperature rising value of each charging current gear；
According to each described charging current gear and target temperature rising value generation target temperature rise data model.
In second embodiment, the 3rd embodiment or the 4th embodiment with reference to fifth aspect present invention, the 5th embodiment of fifth aspect present invention, residing processing implement body performs following steps：
Determine the backup temperature rising value less than preset temperature rising value in the temperature rising value of the target temperature rise data model；
Determine the corresponding alternative charging current of the backup temperature rising value；
It regard the maximum charging current in the alternative charging current as target charge current.
In second embodiment, the 3rd embodiment or the 4th embodiment with reference to fifth aspect present invention, the 6th embodiment of fifth aspect present invention, the processing implement body performs following steps：
Determine the minimum value in the temperature rising value of the target temperature rise data model；
By the corresponding charging current of the minimum value alternately charging current；
It regard the maximum charging current in the alternative charging current as target charge current.
Sixth aspect present invention provides a kind of mobile terminal, including：Processor, charging chip and memory；
The charging chip performs following steps：
Read the input terminal voltage and output end voltage of itself；
The charging current of the battery is set to the target charge current that the processor is determined；
The computing device following steps：
The input terminal voltage and output end voltage read according to the charging chip calculates the corresponding thermal losses value of each charging current；
Determine to meet the corresponding target charge current of thermal losses value of prerequisite in the thermal losses value；
The memory performs following steps：Store the processor and calculate the obtained corresponding thermal losses value of each charging current.
With reference to sixth aspect present invention, in the first embodiment of sixth aspect present invention, the processing implement body performs following steps：
Determine the alternative thermal losses value less than preset thermal losses value in the thermal losses value；
Determine the corresponding alternative charging current of the alternative thermal losses value；
It regard the maximum charging current in the alternative charging current as target charge current.
With reference to sixth aspect present invention, in the second embodiment of sixth aspect present invention, the processing implement body performs following steps：
Determine the minimum value thermal losses in the thermal losses value；
Determine the corresponding alternative charging current of the minimum value thermal losses；
It regard the maximum charging current in the alternative charging current as target charge current.
Seventh aspect present invention provides a kind of mobile terminal, and the mobile terminal includes：One or more processors, memory and one or more programs, wherein one or more of programs are stored in the memory and are configured as one or more of computing devices, and one or more of programs include being used to perform the instruction according to any embodiment in the 6th embodiment of first aspect to first aspect.
As can be seen from the above technical solutions, the embodiment of the present invention has advantages below：
Mobile terminal can obtain temperature rise data model in the embodiment of the present invention, and obtain the target operating voltage value of battery, according to target operating voltage value and temperature rise data model, it is determined that meeting the corresponding target charge current of prerequisite temperature rising value.That is mobile terminal can be in temperature rise data model temperature rising value and the relation of charging current, select under present battery operating voltage, temperature rising value meets the optimal charge electric current of prerequisite, avoid due to reduction charging current, cause partial pressure too high, the potential safety hazard that aggravation mobile phone temp rises and caused.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, the accompanying drawing used required in being described below to embodiment is briefly described, apparently, drawings in the following description are only some embodiments of the present invention, for those skilled in the art, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is one embodiment of charging method in the embodiment of the present invention；
Fig. 2 is another embodiment of charging method in the embodiment of the present invention；
Fig. 3 is another embodiment of charging method in the embodiment of the present invention；
Fig. 4 is another embodiment of charging method in the embodiment of the present invention；
Fig. 5 is another embodiment of charging method in the embodiment of the present invention；
Fig. 6 is one embodiment of mobile terminal in the embodiment of the present invention；
Fig. 7 is another embodiment of mobile terminal in the embodiment of the present invention；
Fig. 8 is another embodiment of mobile terminal in the embodiment of the present invention；
Fig. 9 is another embodiment of mobile terminal in the embodiment of the present invention；
Figure 10 is another embodiment of mobile terminal in the embodiment of the present invention；
Figure 11 is another embodiment of mobile terminal in the embodiment of the present invention.
Embodiment
The embodiments of the invention provide a kind of charging method, for selecting under present battery operating voltage, temperature rising value meets the optimal charge electric current of prerequisite, it is to avoid due to reduction charging current, cause partial pressure too high, the potential safety hazard that aggravation mobile phone temp rises and caused.
Refer to one embodiment of charging method in Fig. 1, the embodiment of the present invention includes：
101st, temperature rise data model is obtained；
Acquisition for mobile terminal temperature rise data model, the temperature rise data model includes the corresponding relation of the operating voltage of temperature rising value, charging current and the battery of charging chip.The operating voltage of battery refers in charging process, electrical potential difference when having the electric current to flow through in circuit between battery plus-negative plate.It should be noted that the temperature rise data model is obtained by the processor in mobile terminal.
102nd, the target operating voltage value of battery is obtained；
After mobile terminal connection battery, when mobile terminal, which is received, needs to reduce the instruction of charging chip surface temperature, the target operating voltage value of acquisition for mobile terminal battery, it should be noted that, the target operating voltage value is obtained by the voltage detecting circuit detection in mobile terminal, the voltage detecting circuit can be integrated in the charging chip of mobile terminal, can also be integrated in other chips of mobile terminal.It should also be noted that, the instruction of reduction charging chip surface temperature can be due in charging process charging chip temperature is too high and triggering, can also be what is triggered by other situations, be specifically not construed as limiting herein.
103rd, according to the target operating voltage value and temperature rise data model of the battery, it is determined that meeting prerequisite The corresponding target charge current of temperature rising value；
Voltage detecting circuit is measured after target operating voltage value, and processor obtains the target operating voltage value, according to the target operating voltage value and temperature rise data model, it is determined that meeting the corresponding target charge current of temperature rising value of prerequisite.It should be noted that the temperature rising value is rising value of the surface temperature of charging chip in preset time, the temperature rising value for meeting prerequisite is set by the user, such as：The temperature rising value for meeting prerequisite can be set as the surface temperature of charging chip rises above 4 degrees Celsius within half an hour.
104th, the charging current of the battery is set to target charge current.
Processor in mobile terminal determines after target charge current that charging current is set to target charge current by mobile terminal by the charging control circuit in charging chip so that charger is charged with target charge current to battery.
Mobile terminal can obtain temperature rise data model in the embodiment of the present invention, and obtain the target operating voltage value of battery, be determined to meet the corresponding target charge current of temperature rising value of prerequisite according to target operating voltage value and temperature rise data model.That is mobile terminal can be in temperature rise data model temperature rising value and the relation of charging current, select under present battery operating voltage, meet the corresponding optimal charge electric current of temperature rising value of prerequisite, avoid due to reduction charging current, cause partial pressure too high, the potential safety hazard that aggravation mobile phone temp rises and caused.
In order to make it easy to understand, the concrete mode to acquisition for mobile terminal temperature rise data model in charging method of the embodiment of the present invention is described in detail below, referring to Fig. 2, another embodiment of charging method includes in the embodiment of the present invention：
201st, mobile terminal determines the operational voltage value of simulated battery, and adjusts charging current gear, records the corresponding temperature rising value of each charging current gear；
Simulated battery is connected with mobile terminal, it is put into incubator, constant room temperature, the charging current gear of charging chip in mobile terminal is set, it should be noted that, the gear interval of charging current gear and number are not construed as limiting, and it is respectively 100 milliamperes, 200 milliamperes, 300 milliamperes, 400 milliamperes and 500 milliamperes that can for example set five gears, can also be other electric current gears.Simulated battery is the set of circuits of analogue mobile phone battery, and it can simulate real battery of mobile phone completely, can be electrically charged, can also be discharged, and its operating voltage can arbitrarily be set.
Programmable power supply by the operating voltage of simulated battery it is constant be a certain operational voltage value, mobile terminal passes through electricity Pressure detection circuit determines the operational voltage value of simulated battery, charging current gear is adjusted by the charging control circuit in charging chip, corresponding temperature rising value under each charging current gear is recorded by memory, the temperature rising value is rising value of the surface temperature of charging chip in preset time, it can be obtained by the temperature sensing circuit detection in mobile terminal, it can also be obtained by the detection of the other equipments such as temperature monitor, preset time can be half an hour, it can also be other times, specifically be not construed as limiting herein.
202nd, mobile terminal generates the corresponding temperature rise data model of constant voltage values according to each charging current gear and temperature rising value；
Mobile terminal generates the corresponding temperature rise data model of the operational voltage value according to each charging current gear and corresponding temperature rising value of above-mentioned setting.
It should be noted that programmable power supply can adjust the operational voltage value of simulated battery, programmable power supply often sets an operational voltage value, and mobile terminal repeats step 201 and can be obtained by the corresponding temperature rise data model of the operational voltage value to 202.Programmable power supply first by the operational voltage value of simulated battery it is constant be 4.3 volts, 0.05 volt of increase every time, until operational voltage value reaches 4.35 volts, so with regard to battery operating voltage value can be obtained for 3.4 volts, 3.45 volts, 3.5 volts, 3.55 volts ... 4.3 volts, 4.35 volts of corresponding temperature rise data models, each temperature rise data model is included under the operational voltage value, the temperature rising value of each corresponding chip surface of charging current gear.
203rd, the target operating voltage value of acquisition for mobile terminal battery；
After mobile terminal connection battery, when mobile terminal, which is received, needs to reduce the instruction of charging chip surface temperature, the target operating voltage value of acquisition for mobile terminal battery, it should be noted that, the target operating voltage value has the voltage detecting circuit detection in mobile terminal to obtain, the voltage detecting circuit can be integrated in the charging chip of mobile terminal, can also be in other charging chips of integrated mobile terminal.It should also be noted that, the instruction of reduction charging chip surface temperature can be due in charging process charging chip temperature is too high and triggering, can with when triggered by other situations, be specifically not construed as limiting herein.
204th, according to the target operating voltage value and temperature rise data model of the battery, it is determined that meeting the corresponding target charge current of temperature rising value of prerequisite；
After acquisition for mobile terminal target operating voltage value, processor obtains the target operating voltage value, according to the target operating voltage value and temperature rise data model, it is determined that meeting the corresponding target charge current of temperature rising value of prerequisite.
205th, the charging current of the battery is set to target charge current by mobile terminal.
Processor in mobile terminal determines after target charge current that charging current is set to target charge current by mobile terminal by the charging control circuit in charging chip so that charger is charged with target charge current to battery.
Mobile terminal can obtain temperature rise data model in the embodiment of the present invention, and obtain the target operating voltage value of battery, be determined to meet the corresponding target charge current of temperature rising value of prerequisite according to target operating voltage value and temperature rise data model.That is mobile terminal can be in temperature rise data model temperature rising value and the relation of charging current, select under present battery operating voltage, temperature rising value meets the optimal charge electric current of prerequisite, avoid due to reduction charging current, cause partial pressure too high, the potential safety hazard that aggravation mobile phone temp rises and caused.
Secondly, the embodiments of the invention provide a kind of concrete mode of acquisition for mobile terminal temperature rise data model, the realizability of scheme is improved.
The concrete mode of acquisition for mobile terminal temperature rise data model is described above-described embodiment, determines that the concrete mode of target charge current is described to mobile terminal below, referring to Fig. 3, another embodiment of charging method includes in the embodiment of the present invention：
301st, acquisition for mobile terminal temperature rise data model；
Acquisition for mobile terminal temperature rise data model, the temperature rise data model includes the corresponding relation of the operating voltage of temperature rising value, charging current and the battery of charging chip.The operating voltage of battery refers in charging process, electrical potential difference when having the electric current to flow through in circuit between battery plus-negative plate.Can be that processor is set up it should be noted that the temperature rise data model is obtained by the processor in mobile terminal, can also processor received from other equipment, be specifically not construed as limiting herein.Processor can also can by other means be set up, be specifically not construed as limiting herein by way of step 201 to step 202 in Fig. 2 correspondence embodiments.
302nd, the target operating voltage value of acquisition for mobile terminal battery；
Step 203 is similar in the process embodiment corresponding with Fig. 2 of the target operating voltage value of acquisition for mobile terminal battery, and specific here is omitted.
303rd, the corresponding target temperature rise data model of target operating voltage value that mobile terminal calculates the battery according to temperature rise data model；
Mobile terminal calculates the corresponding target temperature rise data model of target operating voltage value according to temperature rise data model, and the target temperature rise data model includes the corresponding charging current of target voltage values and temperature rising value.Obtained it should be noted that target temperature rise data model is calculated by the processor in mobile terminal, temperature rise data model Target temperature rise data model can be included, target temperature rise data model can not also be included, specifically determined by the relation of target operating voltage value and the operating voltage in temperature rise data model.
304th, mobile terminal selects to meet the corresponding target charge current of temperature rising value of prerequisite according to target temperature rise data model；
Mobile terminal is calculated and obtained after target temperature rise data model, is selected to meet the corresponding target charge current of temperature rising value of prerequisite according to target temperature rise data model.It should be noted that target charge current is determined by the processor in mobile terminal, the temperature rising value of prerequisite is set by user.
It can specifically select to meet the corresponding target charge current of temperature rising value of prerequisite in the following way：
First, maximum charging current of the selection less than preset temperature rising value.
1st, mobile terminal determines to be less than the backup temperature rising value of preset temperature rising value in the temperature rising value of target temperature rise data model；
2nd, mobile terminal determines the corresponding alternative charging current of backup temperature rising value；
3rd, mobile terminal regard the maximum charging current in alternative charging current as target charge current.
It should be noted that be equal to preset temperature rising value for temperature rising value in target temperature rise data model, can alternately temperature rising value, specifically can also be herein not construed as limiting not as backup temperature rising value.Be more than preset temperature rising value for temperature rising value in target temperature rise data model, can alternately temperature rising value, specifically can also be herein not construed as limiting not as backup temperature rising value.
2nd, the minimum maximum charging current of selection temperature rising value.
1st, mobile terminal determines the minimum value in the temperature rising value of target temperature rise data model；
2nd, by the corresponding charging current of the minimum value alternately charging current；
3rd, it regard the maximum charging current in alternative charging current as target charge current.
It should be noted that except above two mode, mobile terminal can also select to meet the corresponding target charge current of temperature rising value of prerequisite by other means.
305th, the charging current of the battery is set to target charge current by mobile terminal.
Step 205 is similar in the process embodiment corresponding with Fig. 2 of mobile terminal setting target charge current, and specific here is omitted.
In the embodiment of the present invention, mobile terminal can obtain temperature rise data model, and obtain the target operating voltage value of battery, according to target operating voltage value and temperature rise data model, it is determined that meeting in the temperature of prerequisite Appreciate corresponding target charge current.That is mobile terminal can be in temperature rise data model temperature rising value and the relation of charging current, select under present battery operating voltage, temperature rising value meets the optimal charge electric current of prerequisite, avoid due to reduction charging current, cause partial pressure too high, the potential safety hazard that aggravation mobile phone temp rises and caused.
Secondly, in the embodiment of the present invention, mobile terminal can calculate the corresponding target temperature rise data model of target operating voltage value, then pass through target temperature rise data model selection target charging current, the concrete mode of target charge current is determined there is provided a kind of mobile terminal, the realizability of scheme is improved.
Again, in the embodiment of the present invention, mobile terminal can the selection target charging current from target temperature rise data model in several ways, improve the flexibility of scheme.
In above-described embodiment, mobile terminal determines target charge current by target temperature rise data model, the concrete mode that mobile terminal calculates target temperature rise data model is described in detail below, referring to Fig. 4, another embodiment of charging method includes in the embodiment of the present invention：
401st, acquisition for mobile terminal temperature rise data model；
Step 301 is similar in the process embodiment corresponding with Fig. 3 of acquisition for mobile terminal temperature rise data model, and specific here is omitted.
402nd, the target operating voltage value of acquisition for mobile terminal battery；
Step 203 is similar in the process embodiment corresponding with Fig. 2 of acquisition for mobile terminal target operating voltage value, and specific here is omitted.
403rd, mobile terminal judges whether the operating voltage in temperature rise data model includes target operating voltage value, if so, step 404 is then performed, if it is not, then performing step 405；
Mobile terminal is determined after the target operating voltage value of battery, judges whether the operating voltage in temperature rise data model includes target operating voltage value, if so, step 304 is then performed, if it is not, then performing step 305.
404th, mobile terminal and performs step 406 using the corresponding temperature rise data model of target operating voltage value in temperature rise data model as target temperature rise data model；
When mobile terminal determines that operating voltage in temperature rise data model includes target operating voltage value, the corresponding temperature rise data model of target operating voltage value in temperature rise data model as target temperature rise data model, and is performed step 406 by mobile terminal.
405th, mobile terminal determines target temperature rise data model according to temperature rise data model corresponding with the operational voltage value that target operating voltage value difference value meets prerequisite in temperature rise data model, and performs step 406；
When the operating voltage that mobile terminal is determined in temperature rise data model does not include target operating voltage value, mobile terminal determines target temperature rise data model according to temperature rise data model corresponding with the operational voltage value that target operating voltage difference meets prerequisite in temperature rise data model, and performs step 406.
It should be noted that mobile terminal can determine target temperature rise data model in the following manner according to the corresponding temperature rise data model of the operational voltage value that prerequisite is met with target operating voltage difference：
(1) mobile terminal determines the first operational voltage value and the second operational voltage value minimum with target operating voltage value difference value in temperature rise data model；
Mobile terminal searches the operating voltage in temperature rise data model, determines numerical value two operational voltage values minimum with target operating voltage value difference value, respectively the first operational voltage value and the second operational voltage value.Operating voltage in such as temperature rise data model includes 3.4,3.45,3.5,3.55 and 3.6, if target operating voltage value is 3.43, then the first operational voltage value and the second operational voltage value are 3.4 and 3.45.
(2) mobile terminal determines the corresponding first temperature rise data model of the first operational voltage value and the corresponding second temperature rise data model of the second operational voltage value；
Mobile terminal is determined after the first operational voltage value and the second operational voltage value, it is determined that the first temperature rise data model corresponding with the first operational voltage value and the corresponding second temperature rise data model of the second operational voltage value.
(3) mobile terminal linearly calculates according to the first temperature rise data model and the second temperature rise data model and obtains target operating voltage value and the corresponding target temperature rising value of each charging current gear；
Mobile terminal linearly calculates according to the first temperature rise data model and the second temperature rise data model and obtains target operating voltage value and the corresponding target temperature rising value of each charging current gear, and specific calculating process is as follows：
Determine under target charge current gear, the corresponding first temperature rising value of the first operational voltage value and the corresponding second temperature rising value of the second operational voltage value；
Determine the first coordinate points (x1, y1) and the second coordinate points (x2, y2), wherein, the abscissa x of the first coordinate points1For the first operational voltage value, ordinate y1For the first temperature rising value, the abscissa x of the second coordinate points2For the second operational voltage value, ordinate y2For second temperature rising value；
By the first coordinate points (x1, y1) and the second coordinate points (x2, y2) substitute into solution linear equation in two unknowns y=kx+b；
Using target operating voltage value as abscissa, corresponding ordinate value is obtained according to the linear equation in two unknowns, the ordinate value is the corresponding temperature rising value of target charge current gear；
(4) mobile terminal generates target temperature rise number according to each charging current gear and target temperature rising value According to model.
Mobile terminal is obtained after the corresponding target temperature rising value of each charging current gear according to step (1) to (3), and target temperature rise data model is generated according to each charging current gear and target temperature rising value.
It should be noted that except aforesaid way, mobile terminal can also determine target temperature rise data model according to the operational voltage value for meeting prerequisite with target operating voltage difference by other means, specifically be not construed as limiting herein.
406th, mobile terminal selects to meet the corresponding target charge current of temperature rising value of prerequisite according to target temperature rise data model；
The process of mobile terminal selection target charging current is similar in the process of mobile terminal selection target charging current embodiment step 304 corresponding with Fig. 3 in the embodiment of the present invention, and specific here is omitted.
407th, the charging current of the battery is set to target charge current by mobile terminal.
Step 205 is similar in the process embodiment corresponding with Fig. 2 of mobile terminal setting target charge current, and specific here is omitted.
In the embodiment of the present invention, mobile terminal can obtain temperature rise data model, and obtain the target operating voltage value of battery, according to target operating voltage value and temperature rise data model, it is determined that meeting the corresponding target charge current of temperature rising value of prerequisite.That is mobile terminal can be in temperature rise data model temperature rising value and the relation of charging current, select under present battery operating voltage, temperature rising value meets the optimal charge electric current of prerequisite, avoid due to reduction charging current, cause partial pressure too high, the potential safety hazard that aggravation mobile phone temp rises and caused.
Secondly, in the embodiment of the present invention, mobile terminal can calculate the corresponding target temperature rise data model of target operating voltage value according to various ways, can also improve the flexibility of scheme in several ways according to target temperature rise data model selection target charging current.
It is described above the charging method that mobile terminal determines optimal charge electric current based on relational model, the mobile terminal of chip input and output terminal voltage is read for some hardware supporteds, it can take and use another charging method, referring to Fig. 5, another embodiment of charging method includes in the embodiment of the present invention：
501st, the charging current of mobile terminal regulating cell in the range of preset current, and read the input terminal voltage and output end voltage of charging chip under different charging currents；
Battery is inserted in mobile terminal, when a battery requires charging, mobile terminal connection charger.Mobile terminal by the charging current of the regulating cell in the range of preset current of the charging control circuit in charging chip, And read the input terminal voltage and output end voltage of charging chip under different charging currents.
502nd, mobile terminal calculates the corresponding thermal losses value of each charging current according to input terminal voltage and output end voltage；
Mobile terminal is read after the corresponding input terminal voltage of each charging current and output end voltage, processor obtains input terminal voltage and output end voltage at this, the corresponding thermal losses value of each charging current is calculated according to input terminal voltage and output end voltage, specifically, the charging current I that thermal losses value is approximately equal to charging chip is multiplied by partial pressure Δ U, and partial pressure is input electricity V1Pressure subtracts output end voltage V2, i.e. thermal losses value Q=Δ U*I=(V1-V2)*I。
503 mobile terminals determine to meet the corresponding target charge current of thermal losses value of prerequisite in each thermal losses value；
Mobile terminal is calculated after the corresponding thermal losses value of each charging current, and processor determines to meet the corresponding target charge current of thermal losses value of prerequisite in these thermal losses values.
504th, the charging current of the battery is set to target charge current by mobile terminal.
Processor in mobile terminal is determined after target charge current, charging current is set into target charge current by the charging control circuit in charging chip so that go out and electrically battery is charged with target charge current.
In the embodiment of the present invention, mobile terminal can read the input terminal voltage and output end voltage of charging chip, the corresponding thermal losses value of each charging current is calculated according to input terminal voltage and output end voltage, then determines to meet the corresponding target charge current of thermal losses value of prerequisite.That is mobile terminal can determine the corresponding thermal losses value of different charging currents, and therefrom selection thermal losses value meets the optimal charge electric current of prerequisite, avoid due to reduction charging current, cause partial pressure too high, the potential safety hazard that aggravation mobile phone temp rises and caused.
Based on the corresponding embodiments of above-mentioned Fig. 5, in the embodiment of the present invention in another embodiment of charging method, mobile terminal can determine to meet the corresponding target charge current of thermal losses value of prerequisite in each thermal losses value by following various ways, such as：
First, less than the maximum charging current of preset thermal losses.
1st, mobile terminal determines to be less than the alternative thermal losses value of preset thermal losses value in thermal losses value；
2nd, mobile terminal determines the corresponding alternative charging current of alternative thermal losses value；
3rd, mobile terminal regard the maximum charging current in alternative charging current as target charge current.
It should be noted that in thermal losses value equal to preset thermal losses value, can alternately thermal losses value, specifically can be herein not construed as limiting not as alternative thermal losses value.For in thermal losses value more than preset thermal losses value, can alternately thermal losses value, specifically can also be herein not construed as limiting not as alternative thermal losses value.
2nd, the minimum maximum charging current of thermal losses value.
1st, mobile terminal determines the minimum value thermal losses in thermal losses value；
2nd, mobile terminal determines the corresponding alternative charging current of minimum value thermal losses；
3rd, mobile terminal regard the maximum charging current in alternative charging current as target charge current.
In the embodiment of the present invention, mobile terminal can determine target charge current in several ways, improve the flexibility of scheme.
In order to make it easy to understand, the charging method in the embodiment of the present invention is described in detail with a practical application scene below：
Prepare mobile phone, programmable power supply, simulated battery, temperature monitor and incubator first.Wherein, programmable power supply can control the operating voltage of simulated battery, and the charging chip provided in power supply, mobile phone that charged for battery is integrated with charging control circuit, voltage detecting circuit.Then following steps are performed：
(1) mobile phone is connected into simulated battery, is put into incubator, steady temperature is 25 degree；
(2) it is 3.4 volts that the operating voltage of programmable power supply control simulated battery is constant；
(3) charging current is set to 5 gears, respectively 100 milliamperes, 200 milliamperes, 300 milliamperes, 400 milliamperes and 500 milliamperes；
(4) charging current is adjusted to 100 milliamperes by mobile phone by the charging control circuit of charging chip；
(5) continue after half an hour, the memory in the rising value of charging chip surface temperature, mobile phone is measured by temperature monitor and records the temperature rising value；
(6) charging current is lifted into a gear, repeats (5), finished until 5 electric current gears are all recorded；
(7) operating voltage of simulated battery is increased 0.05 volt by programmable power supply；
Step (4) to (7) is repeated, until operating voltage reaches 3.85 volts.
By above-mentioned test, processor recorded according to memory in the temperature rise data model shown in obtained operational voltage value, charging current gear and temperature rising value generation table 1, table temperature rising value by degree Celsius in units of.
Table 1
Processor is established after above-mentioned temperature rise data model, is taken out mobile phone, is inserted battery of mobile phone, and mobile phone is connected with charger.Charger is first using 500 milliamperes of electric current as charging mobile phone battery, after half of time, the amount of heat that charging chip is produced, mobile phone bulk temperature raises 6 degrees Celsius, now, processor in mobile terminal sends cooling order, it is desirable to reduce the temperature rising value of charging chip, and the temperature rising value of charging chip is less than into 4 degrees Celsius.
The operating voltage that mobile terminal detects now battery is 3.43 volts, mobile terminal searches the operating voltage in above-mentioned table 1, it is determined that without including 3.43 volts, mobile terminal determines that the first operational voltage value and the second operational voltage value with 3.43 volts of differences minimums are respectively 3.4 volts and 3.45 volts in table 1, determine 3.43 volts of first temperature rise data models of correspondence of this first operational voltage value and the corresponding second temperature rise data model of 3.45 volts of the second operational voltage value, temperature rise data under 3.43 volts of each corresponding charging current gears are linearly calculated according to the first temperature rise data model and the second temperature rise data model, so that charging current gear is 100 milliamperes as an example, under 100 milliamperes of charging currents, the corresponding temperature rising value of 3.4 volts of operating voltages is 5 degrees Celsius, the corresponding temperature rising value of 3.45 volts of operating voltages is 4 degrees Celsius, it regard operating voltage as abscissa, temperature rising value It is used as ordinate, calculate the corresponding temperature rising value of 3.43 volts of abscissa, will (3.4,5) and (3.45,4) two coordinate points substitute into linear equation in two unknowns y=kx+b and try to achieve k=-20, b=73, that is y=-20x+73, x=3.43 is substituted into and obtains y=4.4, i.e. operating voltage for 3.43 volts, charging current is 100 milliamperes, and corresponding temperature rising value is 4.4 degrees Celsius.According to the above method, calculate operating voltage for 3.43 volts when, the corresponding temperature rising value of each charging current gear, as shown in table 2, in table temperature rising value by degree Celsius in units of.
Table 2
According to 3.43 volts calculated in upper table corresponding target temperature rise data models, backup temperature rising value of the temperature rising value less than 4 degrees Celsius is 3.6 degrees Celsius and 2.6 degrees Celsius in the model, corresponding alternative charging current is 300 milliamperes and 400 milliamperes, maximum charging current is chosen from alternative charging current and is used as target charge current, i.e. 400 milliamperes, the charging current of battery of mobile phone is set to 400 milliamperes by mobile terminal, charging current is adjusted to 400 milliamperes by the control chip in charging chip so that charger is charged with 400 milliamperes to battery of mobile phone.
The charging method in the embodiment of the present invention is described above, the mobile terminal in the embodiment of the present invention is described below, referring to Fig. 6, one embodiment of mobile terminal includes in the embodiment of the present invention：
First acquisition module 601, for obtaining temperature rise data model, temperature rise data model includes the corresponding relation of the operating voltage of temperature rising value, charging current and the battery of charging chip；
Second acquisition module 602, the target operating voltage value for obtaining battery, target operating voltage value is the current operational voltage value of battery；
Determining module 603, the temperature rise data model obtained for the target operating voltage value obtained according to the second acquisition module 602 and the first acquisition module 601, it is determined that meeting the corresponding target charge current of temperature rising value of prerequisite；
Setup module 604, for the charging current of battery to be set into the target charge current that determining module 603 is determined.
In the embodiment of the present invention, first acquisition module 601 can obtain temperature rise data model, second acquisition module 602 can obtain the target operating voltage value of battery, determining module 603 can be according to target operating voltage value and temperature rise data model, it is determined that meeting the corresponding target charge current of temperature rising value of prerequisite.That is mobile terminal can be in temperature rise data model temperature rising value and the relation of charging current, select under present battery operating voltage, temperature rising value meets the optimal charge electric current of prerequisite, avoid due to reduction charging current, cause partial pressure too high, the potential safety hazard that aggravation mobile phone temp rises and caused.
In order to make it easy to understand, the mobile terminal in the embodiment of the present invention is described in detail below, referring to Fig. 7, another embodiment of mobile terminal includes in the embodiment of the present invention：
First acquisition module 701, for obtaining temperature rise data model, temperature rise data model includes the corresponding relation of the operating voltage of temperature rising value, charging current and the battery of charging chip；
Second acquisition module 702, the target operating voltage value for obtaining battery, target operating voltage value is the current operational voltage value of battery；
Determining module 703, the temperature rise data model obtained for the target operating voltage value obtained according to the second acquisition module 702 and the second acquisition module 701, it is determined that meeting the corresponding target charge current of temperature rising value of prerequisite；
Setup module 704, for the charging current of battery to be set into the target charge current that determining module 703 is determined.
In the embodiment of the present invention, the first acquisition module 701 includes：
Control submodule 7011, for determining the operational voltage value of battery, and adjusts charging current gear, records the corresponding temperature rising value of each charging current gear, and the temperature rising value is rising value of the surface temperature of charging chip in preset time；
Submodule 7012 is generated, for the corresponding temperature rise data model of each charging current gear and temperature rising value generation constant voltage values recorded according to control submodule 7011.
In the embodiment of the present invention, first acquisition module 701 can obtain temperature rise data model, second acquisition module 702 can obtain the target operating voltage value of battery, and determining module 703 can determine to meet the corresponding target charge current of temperature rising value of prerequisite according to target operating voltage value and temperature rise data model.That is mobile terminal can be in temperature rise data model temperature rising value and the relation of charging current, are selected Under present battery operating voltage, temperature rising value meets the optimal charge electric current of prerequisite, it is to avoid due to reduction charging current, cause partial pressure too high, the potential safety hazard that aggravation mobile phone temp rises and caused.
Secondly, the embodiments of the invention provide the concrete mode that the first acquisition module 701 obtains temperature rise data model, the realizability of scheme is improved.
Referring to Fig. 8, another embodiment of mobile terminal includes in the embodiment of the present invention：
First acquisition module 801, for obtaining temperature rise data model, temperature rise data model includes the corresponding relation of the operating voltage of temperature rising value, charging current and the battery of charging chip；
Second acquisition module 802, the target operating voltage value for obtaining battery, target operating voltage value is the current operational voltage value of battery；
Determining module 803, the temperature rise data model obtained for the target operating voltage value obtained according to the second acquisition module 802 and the first acquisition module 801, it is determined that meeting the corresponding target charge current of temperature rising value of prerequisite；
Setup module 805, for the charging current of battery to be set into the target charge current that determining module 803 is determined.
In the embodiment of the present invention, determining module 803 includes：
Calculating sub module 8031, for calculating the corresponding target temperature rise data model of target operating voltage value according to temperature rise data model；
Submodule 8032 is selected, for selecting to meet the corresponding target charge current of temperature rising value of prerequisite according to target temperature rise data model；
Alternatively, calculating sub module 8031 includes：
Whether judging unit 80311, the operating voltage for judging in the temperature rise data model that the first acquisition module 801 is obtained includes the target operating voltage value that the second acquisition module 802 is obtained；
First determining unit 80312, for when judging unit 80311 determines that operating voltage includes target operating voltage value, regarding the corresponding temperature rise data model of target operating voltage value in temperature rise data model as target temperature rise data model；
Second determining unit 80313, for when judging unit 80311 determines that operating voltage does not include target operating voltage value, target temperature rise data model to be determined according to temperature rise data model corresponding with the operational voltage value that target operating voltage value difference value meets prerequisite in temperature rise data model；
Alternatively, the second determining unit 80313 can include：
First determination subelement 803131, for determining the first operational voltage value and the second operational voltage value minimum with target operating voltage value difference value in temperature rise data model；
Second determination subelement 803132, for determining the corresponding first temperature rise data model of the first operational voltage value and the corresponding second temperature rise data model of the second operational voltage value that the first determination subelement 803131 is determined；
Computation subunit 803133, the first temperature rise data model and the second temperature rise data model for being determined according to the second determination subelement 803132, which are linearly calculated, obtains target operating voltage value and the corresponding target temperature rising value of each charging current gear；
Subelement 803134 is generated, the target temperature rising value for being obtained according to each charging current gear and computation subunit 70333 generates target temperature rise data model.
Alternatively, selecting module 8032 includes：
It is less than the backup temperature rising value of preset temperature rising value in 3rd determining unit 80321, the temperature rising value for determining target temperature rise data model；
4th determining unit 80322, for determining the corresponding alternative charging current of backup temperature rising value；
5th determining unit 80323, for the 4th determining unit to be determined to, the maximum charging current in 80322 alternative charging current is used as target charge current.
Or,
6th determining unit 80324, the minimum in temperature rising value for determining target temperature rise data model；
7th determining unit 80325, for determining the corresponding alternative charging current of minimum value that the 6th determining unit 80324 is determined；
8th determining unit 80326, target charge current is used as the maximum charging current in the alternative charging current that determines the 7th determining unit 80325.
In the embodiment of the present invention, first acquisition module 801 can obtain temperature rise data model, second acquisition module 802 can obtain the target operating voltage value of battery, and determining module 803 can determine to meet the corresponding target charge current of temperature rising value of prerequisite according to target operating voltage value and temperature rise data model.That is mobile terminal can be in temperature rise data model temperature rising value and the relation of charging current, select under present battery operating voltage, temperature rising value meets the optimal charge electric current of prerequisite, avoid due to reduction charging current, cause partial pressure too high, the potential safety hazard that aggravation mobile phone temp rises and caused.
Secondly, in the embodiment of the present invention, determining module 803 can determine target charge current according to various ways, improve the flexibility of scheme.
In order to make it easy to understand, the interaction between each module of mobile terminal in the embodiment of the present invention is described in detail with a specific application scenarios below：
First acquisition module 801 obtains temperature rise data model, and the temperature rise data model includes the corresponding relation of the operating voltage of temperature rising value, charging current and the battery of charging chip.The operating voltage of battery refers in charging process, electrical potential difference when having the electric current to flow through in circuit between battery plus-negative plate.Specifically, the first acquisition module 801 obtains temperature rise data model in the following manner：
Simulated battery is connected with mobile terminal, it is put into incubator, constant room temperature, the charging current gear of charging chip in mobile terminal is set, it should be noted that, the gear interval of charging current gear and number are not construed as limiting, and it is respectively 100 milliamperes, 200 milliamperes, 300 milliamperes, 400 milliamperes and 500 milliamperes that can for example set five gears, can also be other electric current gears.
Programmable power supply is constant for a certain operational voltage value by the operating voltage of simulated battery, the operational voltage value of simulated battery is determined by voltage detecting circuit, charging current gear is adjusted by the charging control circuit in charging chip, corresponding temperature rising value under each charging current gear is recorded by memory, the temperature rising value is rising value of the surface temperature of charging chip in preset time, it can be obtained by the temperature sensing circuit detection in mobile terminal, it can also be obtained by the detection of the other equipments such as temperature monitor, preset time can be half an hour, can also be other times, specifically it is not construed as limiting herein.
First acquisition module 801 generates the corresponding temperature rise data model of the operational voltage value according to each charging current gear and corresponding temperature rising value of above-mentioned setting.
It should be noted that programmable power supply can adjust the operational voltage value of simulated battery, programmable power supply often sets an operational voltage value, and mobile terminal repeats step 201 and can be obtained by the corresponding temperature rise data model of the operational voltage value to 202.Programmable power supply first by the operational voltage value of simulated battery it is constant be 4.3 volts, 0.05 volt of increase every time, until operational voltage value reaches 4.35 volts, so with regard to battery operating voltage value can be obtained for 3.4 volts, 3.45 volts, 3.5 volts, 3.55 volts ... 4.3 volts, 4.35 volts of corresponding temperature rise data models, each temperature rise data model is included under the operational voltage value, the temperature rising value of each corresponding chip surface of charging current gear.
First acquisition module 801 is obtained after temperature rise data model, after mobile terminal connection battery, when a battery requires charging, mobile terminal connection charger.Reduction charging chip surface is needed when mobile terminal is received During the instruction of temperature, second acquisition module 802 obtains the target operating voltage value of battery, the target operating voltage value has the voltage detecting circuit detection in mobile terminal to obtain, and the voltage detecting circuit can be integrated in the charging chip of mobile terminal, can also be not integrated into charging chip.It should also be noted that, the instruction of reduction charging chip surface temperature can be due to that charging chip temperature is too high and triggering, can with when triggered by other situations, be specifically not construed as limiting herein.
Second acquisition module 802 is determined after the target operating voltage value of battery, judging unit 80311 in calculating sub module 8031 judges whether the operating voltage in temperature rise data model includes target operating voltage value, if, then trigger the first determining unit 80312, if it is not, then triggering the second determining unit 80313.
When the operating voltage that judging unit 80311 is determined in temperature rise data model includes target operating voltage value, the first determining unit 80312 regard the corresponding temperature rise data model of target operating voltage value in temperature rise data model as target temperature rise data model.
When the operating voltage that judging unit 80311 is determined in temperature rise data model does not include target operating voltage value, the second determining unit 80313 determines target temperature rise data model according to temperature rise data model corresponding with the operational voltage value that target operating voltage difference meets prerequisite in temperature rise data model.
It should be noted that the second determining unit 80313 can determine target temperature rise data model in the following manner according to the corresponding temperature rise data model of the operational voltage value that prerequisite is met with target operating voltage difference：
First determination subelement 803131 searches the operating voltage in temperature rise data model, determines two values two operational voltage values minimum with target operating voltage value difference value, respectively the first operational voltage value and the second operational voltage value.Operating voltage in such as temperature rise data model includes 3.4,3.45,3.5,3.55 and 3.6, if target operating voltage value is 3.43, then the first operational voltage value and the second operational voltage value are 3.4 and 3.45.
First determination subelement 803132 determines after the first operational voltage value and the second operational voltage value that the second determination subelement 803131 determines corresponding with the first operational voltage value the first temperature rise data model and the corresponding second temperature rise data model of the second operational voltage value.
Computation subunit 803133 linearly calculates according to the first temperature rise data model and the second temperature rise data model and obtains target operating voltage value and the corresponding target temperature rising value of each charging current gear, and specific calculating process is as follows：
Determine under target charge current gear, the corresponding first temperature rising value of the first operational voltage value and second The corresponding second temperature rising value of operational voltage value；
The first coordinate points and the second coordinate points are determined, wherein, the abscissa of the first coordinate points is the first operational voltage value, and ordinate is the first temperature rising value, and the abscissa of the second coordinate points is the second operational voltage value, and total coordinate is second temperature rising value；
First coordinate points and the second coordinate points are substituted into and solve linear equation in two unknowns y=kx+b；
Using target operating voltage value as abscissa, corresponding ordinate value is obtained according to the linear equation in two unknowns, the ordinate value is the corresponding temperature rising value of target charge current gear；
Obtained according to computation subunit 803133 after the corresponding target temperature rising value of each charging current gear, generation subelement 803134 generates target temperature rise data model according to each charging current gear and target temperature rising value.
It should be noted that except aforesaid way, calculating sub module 8031 can also determine target temperature rise data model by other means according to the corresponding temperature rise data model of the operational voltage value that prerequisite is met with target operating voltage difference, specifically be not construed as limiting herein.
Calculating sub module 8031 is calculated and obtained after target temperature rise data model, and selection submodule 8032 selects to meet the corresponding target charge current of temperature rising value of prerequisite according to target temperature rise data model.Specifically can be in the following way：
First, less than the maximum charging current of preset temperature rising value.
1st, the 3rd determining unit 80311 determines to be less than the backup temperature rising value of preset temperature rising value in the temperature rising value of target temperature rise data model；
2nd, the 4th determining unit 80312 determines the corresponding alternative charging current of backup temperature rising value；
3rd, the 5th determining unit 80313 regard the maximum charging current in alternative charging current as target charge current.
2nd, the minimum maximum charging current of temperature rising value.
1st, the 6th determining unit 80314 determines the minimum value in the temperature rising value of target temperature rise data model；
2nd, the 7th determining unit 80315 is by the corresponding charging current of the minimum value alternately charging current；
3rd, the 8th determining unit 80316 regard the maximum charging current in alternative charging current as target charge current.
It should be noted that except above two mode, selection submodule 8031 can also select to meet the corresponding target charge current of temperature rising value of prerequisite by other means.
The charging current of battery is set to the target charge current that determining module 803 is determined by setup module 804.
The mobile terminal that hardware supported reads chip input and output terminal voltage is described below, referring to Fig. 9, another embodiment of mobile terminal includes in the embodiment of the present invention：
Control module 901, for the charging current of the regulating cell in the range of preset current, and reads the input terminal voltage and output end voltage of charging chip under different charging currents；
Computing module 902, for calculating the corresponding thermal losses value of each charging current according to input terminal voltage and output end voltage；
Determining module 903, the corresponding target charge current of thermal losses value for determining to meet prerequisite in the thermal losses value that computing module 902 is obtained；
Setup module 904, for the charging current of battery to be set into the target charge current that determining module 803 is determined.
In the embodiment of the present invention, control module 901 can read the input terminal voltage and output end voltage of charging chip, computing module 902 calculates the corresponding thermal losses value of each charging current according to input terminal voltage and output end voltage, and determining module 903 determines to meet the corresponding target charge current of thermal losses value of prerequisite.That is mobile terminal can determine the corresponding thermal losses value of different charging currents, and therefrom selection thermal losses value meets the optimal charge electric current of prerequisite, avoid due to reduction charging current, cause partial pressure too high, the potential safety hazard that aggravation mobile phone temp rises and caused.
In order to make it easy to understand, the mobile terminal in the embodiment of the present invention is described in detail below, referring to Fig. 10, another embodiment of mobile terminal includes in the embodiment of the present invention：
Control module 1001, for the charging current of the regulating cell in the range of preset current, and reads the input terminal voltage and output end voltage of charging chip under different charging currents；
Computing module 1002, for calculating the corresponding thermal losses value of each charging current according to input terminal voltage and output end voltage；
Determining module 1003, the corresponding target charge current of thermal losses value for determining to meet prerequisite in the thermal losses value that computing module 1002 is obtained；
Setup module 1004, for the charging current of battery to be set into the target charge current that determining module 1003 is determined.
Wherein it is determined that module 1003 includes：
First determination sub-module 10031, for determining the alternative thermal losses value in thermal losses value less than preset thermal losses value；
Second determination sub-module 10032, for determining that the alternative thermal losses that the first determination sub-module 10031 is determined is worth corresponding alternative charging current；
3rd determination sub-module 10033, target charge current is used as the maximum charging current in the alternative charging current that determines the second determining unit 10032；
Or,
4th determination sub-module 10034, for determining the minimum value thermal losses in thermal losses value；
5th determination sub-module 10035, for determining the corresponding alternative charging current of minimum value thermal losses that the 4th determination sub-module 10034 is determined；
6th determination sub-module 10036, target charge current is used as the maximum charging current in the alternative charging current that determines the 5th determination sub-module 10035.
In the embodiment of the present invention, control module 1001 can read the input terminal voltage and output end voltage of charging chip, computing module 1002 calculates the corresponding thermal losses value of each charging current according to input terminal voltage and output end voltage, and determining module 1003 determines to meet the corresponding target charge current of thermal losses value of prerequisite.That is mobile terminal can determine the corresponding thermal losses value of different charging currents, and therefrom selection thermal losses value meets the optimal charge electric current of prerequisite, avoid due to reduction charging current, cause partial pressure too high, the potential safety hazard that aggravation mobile phone temp rises and caused.
Secondly, determining module 1003 can determine target charge current in several ways in the embodiment of the present invention, improve the flexibility of scheme.
The mobile terminal in the embodiment of the present invention is described from the angle of functional module above, the mobile terminal in the embodiment of the present invention is described from entity hardware handles angle below, the terminal can be to include mobile phone, tablet personal computer, PDA (Personal Digital Assistant, personal digital assistant) etc. mobile terminal device, so that terminal is mobile phone as an example, Figure 11 is illustrated that the block diagram of the part-structure of the mobile phone related to terminal provided in an embodiment of the present invention.
Referring to one embodiment of mobile terminal in Figure 11, the embodiment of the present invention includes：
RF circuits 1110 can be used for receiving and sending messages or communication process in, the reception and transmission of signal especially, after the downlink information of base station is received, are handled to processor 1180；In addition, being sent to base station by up data are designed.Generally, RF circuits 1110 include but is not limited to antenna, at least one amplifier, transmitting-receiving letter Machine, coupler, low-noise amplifier (Low Noise Amplifier, LNA), duplexer etc..In addition, RF circuits 1110 can also be communicated by radio communication with network and other equipment.Above-mentioned radio communication can use any communication standard or agreement, including but not limited to global system for mobile communications (Global System of Mobile communication, GSM), general packet radio service (General Packet Radio Service, GPRS), CDMA (Code Division Multiple Access, CDMA), WCDMA (Wideband Code Division Multiple Access, WCDMA), Long Term Evolution (Long Term Evolution, LTE), Email, Short Message Service (Short Messaging Service, SMS) etc..
Memory 1120 can be used for storage software program and module, and processor 1180 is stored in the software program and module of memory 1120 by operation, so as to perform various function application and the data processing of mobile phone.Memory 1120 can mainly include storing program area and storage data field, wherein, application program (such as sound-playing function, image player function etc.) that storing program area can be needed for storage program area, at least one function etc.；Storage data field can be stored uses created data (such as voice data, phone directory etc.) etc. according to mobile phone.In addition, memory 1120 can include high-speed random access memory, nonvolatile memory, for example, at least one disk memory, flush memory device or other volatile solid-state parts can also be included.
Input block 1130 can be used for the numeral or character information for receiving input, and the key signals that generation is set with the user of mobile phone and function control is relevant to input.Specifically, input block 1130 may include contact panel 1131 and other input equipments 1132.Contact panel 1131, also referred to as touch-screen, touch operation (such as user use any suitable object or annex operations on contact panel 1131 or contact panel 1131 near such as finger, stylus) of the user on or near it is collected, and corresponding attachment means are driven according to formula set in advance.Optionally, contact panel 1131 may include both touch detecting apparatus and touch controller.Wherein, touch detecting apparatus detects the touch orientation of user, and detects the signal that touch operation is brought, and transmits a signal to touch controller；Touch controller receives touch information from touch detecting apparatus, and is converted into contact coordinate, then gives processor 1180, and the order sent of reception processing device 1180 and can be performed.Furthermore, it is possible to realize contact panel 1131 using polytypes such as resistance-type, condenser type, infrared ray and surface acoustic waves.Except contact panel 1131, input block 1130 can also include other input equipments 1132.Specifically, other input equipments 1132 can include but is not limited to physical keyboard, function key (such as volume control button, switch key etc.), trace ball, mouse, action bars etc. In one or more.
Display unit 1140 can be used for showing the information inputted by user or be supplied to the information of user and the various menus of mobile phone.Display unit 1140 may include display panel 1141, optionally, display panel 1141 can be configured using forms such as liquid crystal display (Liquid Crystal Display, LCD), Organic Light Emitting Diodes (Organic Light-Emitting Diode, OLED).Further, contact panel 1131 can cover display panel 1141, after contact panel 1131 detects the touch operation on or near it, processor 1180 is sent to determine the type of touch event, corresponding visual output is provided on display panel 1141 according to the type of touch event with preprocessor 1180.Although in fig. 11, contact panel 1131 and display panel 1141 are input and the input function that mobile phone is realized as two independent parts, but in some embodiments it is possible to by contact panel 1131 and the input that is integrated and realizing mobile phone of display panel 1141 and output function.
Mobile phone may also include at least one sensor 1150, such as optical sensor, motion sensor and other sensors.Specifically, optical sensor may include ambient light sensor and proximity transducer, wherein, ambient light sensor can adjust the brightness of display panel 1141 according to the light and shade of ambient light, proximity transducer can close display panel 1141 and/or backlight when mobile phone is moved in one's ear.It is used as one kind of motion sensor, accelerometer sensor can detect in all directions the size of (generally three axles) acceleration, size and the direction of gravity are can detect that when static, application (such as horizontal/vertical screen switching, dependent game, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, percussion) available for identification mobile phone posture etc.；The other sensors such as the gyroscope, barometer, hygrometer, thermometer, the infrared ray sensor that can also configure as mobile phone, will not be repeated here.
Voicefrequency circuit 1160, loudspeaker 1161, microphone 1162 can provide the COBBAIF between user and mobile phone.Electric signal after the voice data received conversion can be transferred to loudspeaker 1161, voice signal output is converted to by loudspeaker 1161 by voicefrequency circuit 1160；On the other hand, the voice signal of collection is converted to electric signal by microphone 1162, by voicefrequency circuit 1160 receive after be converted to voice data, after voice data output processor 1180 is handled again, through RF circuits 1110 to be sent to such as another mobile phone, or voice data exported to memory 1120 so as to further processing.
WiFi belongs to short range wireless transmission technology, and mobile phone can help user to send and receive e-mail, browse webpage and access streaming video etc. by WiFi module 1170, and it has provided the user wireless broadband internet and accessed.Although Figure 11 shows WiFi module 1170, but it is understood that, it is simultaneously not belonging to Must be configured into for mobile phone, can be omitted in the essential scope for do not change invention as needed completely.
Processor 1180 is the control centre of mobile phone, utilize various interfaces and the various pieces of connection whole mobile phone, software program and/or module in memory 1120 are stored in by operation or execution, and call the data being stored in memory 1120, the various functions and processing data of mobile phone are performed, so as to carry out integral monitoring to mobile phone.Optionally, processor 1180 may include one or more processing units；It is preferred that, processor 1180 can integrated application processor and modem processor, wherein, application processor mainly handles operating system, user interface and application program etc., and modem processor mainly handles radio communication.It is understood that above-mentioned modem processor can not also be integrated into processor 1180.
Mobile phone also includes charging chip 1190, and charging chip 1190 and processor 1180 are logically contiguous, and cellular phone power supplies are managed with the functions such as charging, electric discharge and power managed so as to realize.Wherein, it is integrated with charging control circuit 1191 in charging chip 1190.
Mobile phone also includes voltage detecting circuit 1192, voltage detecting circuit is used for the operating voltage for detecting battery, although in fig. 11, voltage detecting circuit 1192 is not integrated in charging chip, it is appreciated that voltage detecting circuit 1192 can also be integrated in other chips, do not limit herein.
Although not shown, mobile phone can also include camera, bluetooth module etc., will not be repeated here
In embodiments of the present invention, the processor 1108 included by the terminal also has following functions：
Obtain temperature rise data model, determined to meet the corresponding target charge current of temperature rising value of prerequisite according to target operating voltage value and temperature rise data model, wherein, temperature rise data model includes the corresponding relation of temperature rising value, charging current and the battery operating voltage of charging chip.
Voltage detecting circuit 1192 performs following steps：Set up and be connected with battery, obtain the operating voltage of battery；
Processor 1180 performs following steps：
Charging control circuit 1191 performs following steps：The charging current of battery is set to the target charge current that processor 1180 is determined；
In embodiments of the present invention in another embodiment of mobile terminal, each hardware specifically performs following steps：
Processor determines simulated battery operational voltage value, charging control circuit 1191 adjusts charging current gear, memory 1120 records the corresponding temperature rising value of each charging current gear, the corresponding temperature rise data model of pond operational voltage value for each charging current gear and temperature rising value generation simulation electricity that processor 1180 is recorded further according to memory 1120.
It should be noted that the temperature rising value that memory 1120 is recorded is rising value of the charging chip surface temperature in preset time, it can be obtained, can also be obtained by the detection of the other equipments such as temperature monitor by the temperature sensing circuit detection in mobile phone.
In another embodiment of mobile terminal of the embodiment of the present invention, processor 1180 specifically performs following steps：
The corresponding target temperature rise data model of target operating voltage value is calculated according to temperature rise data model, selected to meet the corresponding target charge current of temperature rising value of prerequisite according to target temperature rise data model, target temperature rise data model includes the corresponding charging current of target operating voltage value and temperature rising value, temperature rise data model, which can include target temperature rise data model, can not also include target temperature rise data model, specifically be not construed as limiting herein.
In another embodiment of mobile terminal of the embodiment of the present invention, processor 1180 specifically performs following steps：
Judge whether the operating voltage in temperature rise data model includes target operating voltage value, if, then it regard the corresponding temperature rise data model of target operating voltage value in temperature rise data model as target temperature rise data model, if it is not, then determining target temperature rise data model according to temperature rise data model corresponding with the operational voltage value that target operating voltage value difference value meets prerequisite in temperature rise data model.
In another embodiment of mobile terminal of the embodiment of the present invention, processor 1180 specifically performs following steps：Determine target operating voltage value difference value minimum the first operational voltage value and the second operational voltage value in temperature rise data model, determine the corresponding first temperature rise data model of the first operational voltage value and the corresponding second temperature rise data model of the second operational voltage value, linearly calculated according to the first temperature rise data model and the second temperature rise data model and obtain target operating voltage value and the corresponding target temperature rising value of each charging current gear, target temperature rise data model is generated according to each charging current gear and target temperature rising value.
In embodiments of the present invention in another embodiment of mobile terminal, processor 1180 specifically performs following steps：
The backup temperature rising value less than preset temperature rising value in the temperature rising value of target temperature rise data model is determined, the corresponding alternative charging current of backup temperature rising value is determined, regard the maximum charging current in alternative charging current as target charge current.
In embodiments of the present invention in another embodiment of mobile terminal, processor 1180 specifically performs following steps：
The minimum value in the temperature rising value of target temperature rise data model is determined, by the corresponding charging current of the minimum value alternately charging current, the maximum charging current in alternative charging current is regard as target charge current.
The mobile terminal for supporting to read charging chip input and output terminal voltage is described from entity hardware point of view below, the terminal can be to include mobile phone, tablet personal computer, PDA (Personal Digital Assistant, personal digital assistant) etc. mobile terminal device, so that terminal is mobile phone as an example, Figure 11 is illustrated that the block diagram of the part-structure of the mobile phone related to terminal provided in an embodiment of the present invention.
In another embodiment of mobile terminal of the embodiment of the present invention, charging chip 1190 performs following steps：Read the input terminal voltage and output end voltage of itself；The charging current of battery is set to by the target charge current that processor 1180 is determined by charging control circuit 1191；
Processor 1180 performs following steps：The input terminal voltage pressure and output end voltage read according to charging chip 1190 calculates the corresponding thermal losses value of each charging current, determines to meet the corresponding target charge current of thermal losses value of prerequisite in thermal losses value；
Memory 1120, records the processor 1180 and calculates obtained thermal losses value.
Alternatively, in the embodiment of the present invention in another embodiment of mobile terminal, processor 1180 specifically performs following steps：
The alternative thermal losses value less than preset thermal losses value in thermal losses value is determined, it is determined that alternative thermal losses is worth corresponding alternative charging current, the maximum charging current in alternative charging current is regard as target charge current.
Alternatively, in the embodiment of the present invention in another embodiment of mobile terminal, processor 1180 specifically performs following steps：
The minimum value thermal losses in thermal losses value is determined, the corresponding alternative charging current of minimum value thermal losses is determined, regard the maximum charging current in alternative charging current as target charge current.
In another embodiment of mobile terminal of the embodiment of the present invention, mobile terminal includes one or more processors, memory and one or more programs, wherein one or more programs are stored in memory and are configured as one or more processors execution, and one or more programs include being used to perform the instruction in the corresponding embodiment of Fig. 1 to Fig. 5 any one diagram.
In several embodiments provided herein, it should be understood that disclosed system, apparatus and method can be realized by another way.For example, device embodiment described above is only schematical, for example, the division of the unit, only a kind of division of logic function, can there is another when actually realizing Outer dividing mode, such as multiple units or component can combine or be desirably integrated into another system, or some features can be ignored, or not perform.Another, it, by some interfaces, the INDIRECT COUPLING or communication connection of device or unit, can be electrical, machinery or other forms that shown or discussed coupling or direct-coupling or communication connection each other, which can be,.
The unit illustrated as separating component can be or may not be physically separate, and the part shown as unit can be or may not be physical location, you can with positioned at a place, or can also be distributed on multiple NEs.Some or all of unit therein can be selected to realize the purpose of this embodiment scheme according to the actual needs.
In addition, each functional unit in each of the invention embodiment can be integrated in a processing unit or unit is individually physically present, can also two or more units it is integrated in a unit.Above-mentioned integrated unit can both be realized in the form of hardware, it would however also be possible to employ the form of SFU software functional unit is realized.
If the integrated unit is realized using in the form of SFU software functional unit and as independent production marketing or in use, can be stored in a computer read/write memory medium.Understood based on such, the part or all or part of the technical scheme that technical scheme substantially contributes to prior art in other words can be embodied in the form of software product, the computer software product is stored in a storage medium, including some instructions to cause a computer equipment (can be personal computer, server, or the network equipment etc.) perform all or part of step of each embodiment methods described of the invention.And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can be with the medium of store program codes.
Described above, the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although the present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It can still modify to the technical scheme described in foregoing embodiments, or carry out equivalent substitution to which part technical characteristic；And these modifications or replacement, the essence of appropriate technical solution is departed from the spirit and scope of various embodiments of the present invention technical scheme.

Claims (31)

  1. A kind of charging method, it is characterised in that including：
    Temperature rise data model is obtained, the temperature rise data model includes the corresponding relation of the operating voltage of temperature rising value, charging current and the battery of charging chip；
    The target operating voltage value of battery is obtained, the target operating voltage value of the battery is the current operational voltage value of the battery；
    According to the target operating voltage value of the battery and the temperature rise data model, it is determined that meeting the corresponding target charge current of temperature rising value of prerequisite；
    The charging current of the battery is set to target charge current.
  2. According to the method described in claim 1, it is characterised in that the acquisition temperature rise data model includes：
    The operational voltage value of simulated battery is determined, and adjusts charging current gear, record the corresponding temperature rising value of each charging current gear, the temperature rising value is rising value of the surface temperature of charging chip in preset time；
    The corresponding temperature rise data model of the operational voltage value is generated according to each described charging current gear and the temperature rising value.
  3. According to the method described in claim 1, it is characterised in that the target operating voltage value and the temperature rise data model according to the battery, it is determined that meeting the corresponding target charge current of temperature rising value of prerequisite includes：
    The corresponding target temperature rise data model of target operating voltage value of the battery is calculated according to the temperature rise data model；
    Selected to meet the corresponding target charge current of temperature rising value of prerequisite according to the target temperature rise data model.
  4. Method according to claim 3, it is characterised in that the corresponding target temperature rise data model of target operating voltage value for calculating the battery according to the temperature rise data model includes：
    Judge whether the operating voltage in the temperature rise data model includes the target operating voltage value；
    If so, then regarding the corresponding temperature rise data model of target operating voltage value described in the temperature rise data model as target temperature rise data model；
    If it is not, then according to meeting preset bar with the target operating voltage value difference value in the temperature rise data model The corresponding temperature rise data model of operational voltage value of part determines target temperature rise data model.
  5. Method according to claim 4, it is characterised in that described to determine that target temperature rise data model includes according to temperature rise data model corresponding with the operational voltage value that the target operating voltage value difference value meets prerequisite in the temperature rise data model：
    Determine the first operational voltage value and the second operational voltage value minimum with the target operating voltage value difference value in the temperature rise data model；
    Determine the corresponding first temperature rise data model of first operational voltage value and the corresponding second temperature rise data model of the second operational voltage value；
    Linearly calculated according to the first temperature rise data model and the second temperature rise data model and obtain the target operating voltage value and the corresponding target temperature rising value of each charging current gear；
    According to each described charging current gear and target temperature rising value generation target temperature rise data model.
  6. Method according to any one of claim 3 to 5, it is characterised in that described to select the corresponding target charge current of temperature rising value for meeting prerequisite to include according to the target temperature rise data model：
    Determine the backup temperature rising value less than preset temperature rising value in the temperature rising value of the target temperature rise data model；
    Determine the corresponding alternative charging current of the backup temperature rising value；
    It regard the maximum charging current in the alternative charging current as target charge current.
  7. Method according to any one of claim 3 to 5, it is characterised in that described to select the corresponding target charge current of temperature rising value for meeting prerequisite to include according to the target temperature rise data model：
    Determine the minimum value in the temperature rising value of the target temperature rise data model；
    By the corresponding charging current of the minimum value alternately charging current；
    It regard the maximum charging current in the alternative charging current as target charge current.
  8. A kind of charging method, it is characterised in that including：
    The charging current of regulating cell in the range of preset current, and read the input terminal voltage and output end voltage of charging chip under different charging currents；
    The corresponding thermal losses value of each charging current is calculated according to the input terminal voltage and output end voltage；
    Determine to meet the corresponding target charge current of thermal losses value of prerequisite in the thermal losses value；
    The charging current of battery is set to target charge current.
  9. Method according to claim 8, it is characterised in that the corresponding target charge current of thermal losses value of prerequisite is met in the determination thermal losses value to be included：
    Determine the alternative thermal losses value less than preset thermal losses value in the thermal losses value；
    Determine the corresponding alternative charging current of the alternative thermal losses value；
    It regard the maximum charging current in the alternative charging current as target charge current.
  10. Method according to claim 8, it is characterised in that the corresponding target charge current of thermal losses value of prerequisite is met in the determination thermal losses value to be included：
    Determine the minimum value thermal losses in the thermal losses value；
    Determine the corresponding alternative charging current of the minimum value thermal losses；
    It regard the maximum charging current in the alternative charging current as target charge current.
  11. A kind of mobile terminal, it is characterised in that including：
    First acquisition module, for obtaining temperature rise data model, the temperature rise data model includes the corresponding relation of the operating voltage of temperature rising value, charging current and the battery of charging chip；
    Second acquisition module, the target operating voltage value for obtaining battery, the target operating voltage value of the battery is the current operational voltage value of the battery；
    Determining module, the temperature rise data model obtained for the target operating voltage value of the battery obtained according to second acquisition module and first acquisition module, it is determined that meeting the corresponding target charge current of temperature rising value of prerequisite；
    Setup module, for the charging current of the battery to be set into the target charge current that the determining module is determined.
  12. Mobile terminal according to claim 11, it is characterised in that first acquisition module includes：
    Control submodule, for determining the operational voltage value of simulated battery, and adjusts charging current gear, records the corresponding temperature rising value of each charging current gear, and the temperature rising value is rising value of the surface temperature of charging chip in preset time；
    Submodule is generated, each charging current gear and temperature rising value for being recorded according to described control unit generate the corresponding temperature rise data model of the operational voltage value.
  13. Mobile terminal according to claim 11, it is characterised in that the determining module includes：
    Calculating sub module, the target operating voltage value for calculating the battery according to the temperature rise data model Corresponding target temperature rise data model；
    Submodule is selected, for selecting to meet the corresponding target charge current of temperature rising value of prerequisite according to the target temperature rise data model.
  14. Mobile terminal according to claim 13, it is characterised in that the calculating sub module includes：
    Whether judging unit, the operating voltage for judging in the temperature rise data model that first acquisition module is obtained includes the target operating voltage value that the acquisition module is obtained；
    First determining unit, for when the judging unit determines that the operating voltage includes the target operating voltage value, regarding the corresponding temperature rise data model of target operating voltage value described in the temperature rise data model as target temperature rise data model；
    Second determining unit, for when the judging unit determines that the operating voltage does not include the target operating voltage value, target temperature rise data model to be determined according to temperature rise data model corresponding with the operational voltage value that the target operating voltage value difference value meets prerequisite in the temperature rise data model.
  15. Mobile terminal according to claim 14, it is characterised in that second determining unit includes：
    First determination subelement, for determining the first operational voltage value and the second operational voltage value minimum with the target operating voltage value difference value in the temperature rise data model；
    Second determination subelement, for determining the corresponding first temperature rise data model of the first operational voltage value and the corresponding second temperature rise data model of the second operational voltage value that first determination subelement is determined；
    Computation subunit, the first temperature rise data model and the second temperature rise data model for being determined according to second determination subelement, which are linearly calculated, obtains the target operating voltage value and the corresponding target temperature rising value of each charging current gear；
    Subelement is generated, the target temperature rising value for being obtained according to each described charging current gear and the computation subunit generates target temperature rise data model.
  16. Mobile terminal according to any one of claim 13 to 15, it is characterised in that the selection submodule includes：
    It is less than the backup temperature rising value of preset temperature rising value in 3rd determining unit, the temperature rising value for determining the target temperature rise data model；
    4th determining unit, for determining the corresponding alternative charging current of the backup temperature rising value；
    5th determining unit, target charge current is used as the maximum charging current in the alternative charging current that determines the 4th determining unit.
  17. Mobile terminal according to any one of claim 13 to 15, it is characterised in that the selection submodule includes：
    6th determining unit, the minimum value in temperature rising value for determining the target temperature rise data model；
    7th determining unit, for determining the corresponding alternative charging current of minimum value that the 6th determining unit is determined；
    8th determining unit, target charge current is used as the maximum charging current in the alternative charging current that determines the 7th determining unit.
  18. A kind of mobile terminal, it is characterised in that including：
    Control module, for the charging current of the regulating cell in the range of preset current, and reads the input terminal voltage and output end voltage of charging chip under different charging currents；
    Computing module, for calculating the corresponding thermal losses value of each charging current according to the input terminal voltage and output end voltage；
    Determining module, the corresponding target charge current of thermal losses value for determining to meet prerequisite in the thermal losses value that the computing module is obtained；
    Setup module, for the charging current of battery to be set into the target charge current that the determining module is determined.
  19. Mobile terminal according to claim 18, it is characterised in that the determining module includes：
    First determination sub-module, for determining the alternative thermal losses value in the thermal losses value less than preset thermal losses value；
    Second determination sub-module, for determining the corresponding alternative charging current of alternative thermal losses value that first determination sub-module is determined；
    3rd determination sub-module, for regarding the maximum charging current in the alternative charging current of the second determining unit submodule as target charge current.
  20. Mobile terminal according to claim 18, it is characterised in that the determining module includes：
    4th determination sub-module, for determining the minimum value thermal losses in the thermal losses value；
    5th determination sub-module, for determining the minimum value thermal losses correspondence that the 4th determination sub-module is determined Alternative charging current；
    6th determination sub-module, target charge current is used as the maximum charging current in the alternative charging current that determines the 5th determination sub-module.
  21. A kind of mobile terminal, it is characterised in that including：Processor, charging control circuit, voltage detecting circuit and memory；
    The voltage detecting circuit performs following steps：It is connected with battery, obtains the target operating voltage value of battery；
    The computing device following steps：
    Temperature rise data model is obtained, the temperature rise data model includes the corresponding relation of the operating voltage of temperature rising value, charging current and the battery of charging chip；
    According to the target operating voltage value of the battery and the temperature rise data model, it is determined that meeting the corresponding target charge current of temperature rising value of prerequisite；
    The charging control circuit performs following steps：The charging current of the battery is set to the target charge current that the processor is determined.
  22. Mobile terminal according to claim 21, it is characterised in that
    The charging control circuit specifically performs following steps：
    Adjust charging current gear；
    The storage implement body performs following steps：The corresponding temperature rising value of each charging current gear is recorded, the temperature rising value is rising value of the surface temperature of charging chip in preset time；
    The processing implement body performs following steps：
    Determine the operational voltage value of simulated battery；
    Each charging current gear and the temperature rising value recorded according to the memory generates the corresponding temperature rise data model of the operational voltage value.
  23. Mobile terminal according to claim 21, it is characterised in that the processing implement body performs following steps：
    The corresponding target temperature rise data model of target operating voltage value of the battery is calculated according to the temperature rise data model, the target temperature rise data model includes the corresponding charging current of target operating voltage value and temperature rising value of the battery；
    Selected to meet the corresponding target of temperature rising value of prerequisite according to the target temperature rise data model Charging current.
  24. Mobile terminal according to claim 23, it is characterised in that the processing implement body performs following steps：
    Judge whether the operating voltage in the temperature rise data model includes the target operating voltage value；
    If so, then regarding the corresponding temperature rise data model of target operating voltage value described in the temperature rise data model as target temperature rise data model；
    If it is not, then determining target temperature rise data model according to temperature rise data model corresponding with the operational voltage value that the target operating voltage value difference value meets prerequisite in the temperature rise data model.
  25. Mobile terminal according to claim 24, it is characterised in that the processing implement body performs following steps：
    Determine the first operational voltage value and the second operational voltage value minimum with the target operating voltage value difference value in the temperature rise data model；
    Determine the corresponding first temperature rise data model of first operational voltage value and the corresponding second temperature rise data model of the second operational voltage value；
    Linearly calculated according to the first temperature rise data model and the second temperature rise data model and obtain the target operating voltage value and the corresponding target temperature rising value of each charging current gear；
    According to each described charging current gear and target temperature rising value generation target temperature rise data model.
  26. Mobile terminal according to any one of claim 23 to 25, it is characterised in that the processing implement body performs following steps：
    Determine the backup temperature rising value less than preset temperature rising value in the temperature rising value of the target temperature rise data model；
    Determine the corresponding alternative charging current of the backup temperature rising value；
    It regard the maximum charging current in the alternative charging current as target charge current.
  27. Mobile terminal according to any one of claim 23 to 25, it is characterised in that the processing implement body performs following steps：
    Determine the minimum value in the temperature rising value of the target temperature rise data model；
    By the corresponding charging current of the minimum value alternately charging current；
    It regard the maximum charging current in the alternative charging current as target charge current.
  28. A kind of mobile terminal, it is characterised in that including：Processor, charging chip and memory；
    The charging chip performs following steps：
    Read the input terminal voltage and output end voltage of itself；
    The charging current of the battery is set to the target charge current that the processor is determined；
    The computing device following steps：
    The input terminal voltage and output end voltage read according to the charging chip calculates the corresponding thermal losses value of each charging current；
    Determine to meet the corresponding target charge current of thermal losses value of prerequisite in the thermal losses value；
    The memory performs following steps：Store the processor and calculate the obtained corresponding thermal losses value of each charging current.
  29. Mobile terminal according to claim 28, it is characterised in that the processing implement body performs following steps：
    Determine the alternative thermal losses value less than preset thermal losses value in the thermal losses value；
    Determine the corresponding alternative charging current of the alternative thermal losses value；
    It regard the maximum charging current in the alternative charging current as target charge current.
  30. Mobile terminal according to claim 28, it is characterised in that the processing implement body performs following steps：
    Determine the minimum value thermal losses in the thermal losses value；
    Determine the corresponding alternative charging current of the minimum value thermal losses；
    It regard the maximum charging current in the alternative charging current as target charge current.
  31. A kind of mobile terminal, it is characterised in that the mobile terminal includes：One or more processors, memory and one or more programs, wherein one or more of programs are stored in the memory and are configured as one or more of computing devices, and one or more of programs include the instruction for being used to perform the method according to any one of claim 1 to 5.
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