CN103051027B - Mobile terminal and charging method and charging system for charging mobile terminal at different temperatures - Google Patents
Mobile terminal and charging method and charging system for charging mobile terminal at different temperatures Download PDFInfo
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- CN103051027B CN103051027B CN201210573322.6A CN201210573322A CN103051027B CN 103051027 B CN103051027 B CN 103051027B CN 201210573322 A CN201210573322 A CN 201210573322A CN 103051027 B CN103051027 B CN 103051027B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/007188—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters
- H02J7/007192—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters in response to temperature
- H02J7/007194—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters in response to temperature of the battery
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Abstract
The invention discloses a mobile terminal and a charging method and a charging system for charging the mobile terminal at different temperatures. The charging method comprises the following steps of: during battery charging of the mobile terminal, detecting the voltage value of a battery temperature monitoring input end where a charging circuit of the mobile terminal is connected with a thermal resistor of a battery in real time, and inquiring a pre-stored relation table of the voltage values of the battery temperature monitoring input end and battery temperatures to obtain a current battery temperature; inquiring a pre-stored relation table of battery temperatures, charging voltages and charging currents according to the current battery temperature, finding a charging voltage and a charging current which correspond to the current battery temperature from the relation table of battery temperatures, charging voltages and charging currents, and correspondingly setting as a current charging voltage and a current charging current; and after a battery is fully charged, charging the battery by adjusting the charging voltage and the charging current according to different battery temperatures, so that the battery is protected, and the service life of the battery is prolonged; and an implementation method is simple, the method and the system are implemented through software, and the cost is low.
Description
Technical field
The present invention relates to mobile terminal device, in particular a kind of charging method of charging at different temperatures based on mobile terminal and charging system and mobile terminal.
Background technology
At present, along with the development of mobile phone and other electronic product, there is more and more higher demand for the environment for use of lithium ion battery, useful life and fail safe.In order to shorten the charging interval as far as possible, at present generally quick charge is adopted for lithium ion cell charging.
The existing charging modes to lithium ion cell charging is fairly simple, being generally divided into two stages: first constant current charge, to close to changing constant voltage charge into during cut-ff voltage until charging complete, not considering temperature factor.At different temperature, existing charging modes can bring different impacts to battery, and particularly under limiting temperature, quick charge can bring the impact that cannot recover to battery.The lithium ion charging temperature of manufacturer recommends is 0 DEG C to 45 DEG C, in some very hot areas, battery temperature higher than 45 DEG C cause stop charging, to part temperature higher district user make troubles.And during charging, cell reaction is violent in high temperature environments, the heat that reaction occurs makes battery temperature raise, and temperature rising impels cell reaction to accelerate, when temperature exceedes some point, solvent is volatile, side reaction increases, and the gas that solvent vapo(u)r and reaction generate forms very high pressure, probably blasts.Existing charging modes is simple, and its charging voltage and charging current arrange the performance of undue influence battery, brings inconvenience greatly to user.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
The technical problem to be solved in the present invention is, for the above-mentioned defect of prior art, a kind of charging method of charging at different temperatures based on mobile terminal and charging system and mobile terminal are provided, be intended to solve existing mobile terminal charging modes simple, the performance that greatly have impact on battery is the problem that user brings bad impact.
The technical scheme that technical solution problem of the present invention adopts is as follows:
Based on the charging method that mobile terminal charges at different temperatures, wherein, comprise the following steps:
Whether A, mobile terminal detect battery in charging;
B, when mobile terminal detect battery charge time, the magnitude of voltage of the battery temperature monitor input terminal that the real-time charging circuit of detection mobile terminal is connected with the thermistor of battery, inquire about the magnitude of voltage of battery temperature monitor input terminal and the relation table of battery temperature that prestore, draw current battery temperature;
C, according to current battery temperature, inquire about the relation table of battery temperature and charging voltage and the charging current prestored, and find out the charging voltage corresponding with described current battery temperature and charging current from described battery temperature with the relation table of charging voltage and charging current, correspondence is set to current charging voltage and charging current;
Whether D, detection battery are full of; When battery underfill, return step B; When battery is full of, control complete charge.
The above-mentioned charging method of charging at different temperatures based on mobile terminal, wherein, between described steps A and B, also comprises step:
The magnitude of voltage of the ID resistance of B1, mobile terminal detection battery identifies the type of battery, and arranges the charge cutoff voltage in charging process.
The above-mentioned charging method of charging at different temperatures based on mobile terminal, wherein, described step B1 specifically comprises:
When the magnitude of voltage of the ID resistance of mobile terminal detection battery is in the first predetermined voltage range, described battery is 4.2V battery, and its cut-ff voltage is 4.2V; When mobile terminal detects the magnitude of voltage of the ID resistance of battery in the second predetermined voltage range, described battery is 4.35V battery, and its cut-ff voltage is 4.35V.
The above-mentioned charging method of charging at different temperatures based on mobile terminal, wherein, described step C specifically comprises:
When mobile terminal detects that battery is 4.2V battery, according to current battery temperature, inquire about the battery temperature of 4.2V battery and the relation table of charging voltage and charging current that prestore, the current charging voltage to the charging of 4.2V battery of corresponding change and charging current;
When mobile terminal detects that battery is 4.35V battery, according to current battery temperature, inquire about the battery temperature of 4.35V battery and the relation table of charging voltage and charging current that prestore, the current charging voltage to the charging of 4.35V battery of corresponding change and charging current.
The above-mentioned charging method of charging at different temperatures based on mobile terminal, wherein, described first predetermined voltage range is 50-150mV; Described second predetermined voltage range is 600-700mV.
The above-mentioned charging method of charging at different temperatures based on mobile terminal, is characterized in that, also comprises before described steps A:
A0, the peak of the charging temperature of battery is set to 60 DEG C.
Based on the charging system that mobile terminal charges at different temperatures, wherein, comprising:
Whether first detection module, charging for the battery detected in mobile terminal;
Pre-stored module, for the relation table of the magnitude of voltage and battery temperature that prestore battery temperature monitor input terminal, and prestores the relation table of battery temperature and charging voltage and charging current;
Second detection module, for the magnitude of voltage of the battery temperature monitor input terminal that the thermistor of the charging circuit with battery that detect mobile terminal is in real time connected, inquire about the magnitude of voltage of battery temperature monitor input terminal and the relation table of battery temperature that prestore, draw current battery temperature;
Module is set, for according to current battery temperature, inquire about the relation table of battery temperature and charging voltage and the charging current prestored, and find out the charging voltage corresponding with described current battery temperature and charging current from described battery temperature with the relation table of charging voltage and charging current, correspondence is set to current charging voltage and charging current;
Whether the 3rd detection module, be full of for detecting battery.
The above-mentioned charging system charged at different temperatures based on mobile terminal, wherein, also comprises:
4th detection module, the magnitude of voltage for the battery ID end in mobile terminal identifies the type of battery, judges that described battery is 4.2V battery or 4.35 batteries; Described module is set also for arranging the charge cutoff voltage in the battery charging process of mobile terminal.
The above-mentioned charging system charged at different temperatures based on mobile terminal, wherein, described pre-stored module is also for the relation table of the battery temperature and charging voltage and charging current that store 4.2V battery, and the relation table of the battery temperature of 4.35V battery and charging voltage and charging current.
A kind of mobile terminal, wherein, comprises the above-mentioned charging system charged at different temperatures based on mobile terminal.
A kind of charging method of charging at different temperatures based on mobile terminal provided by the present invention and charging system and mobile terminal; efficiently solve at different temperatures to the problem of the battery performance reduction that the lithium ion cell charging of mobile terminal causes; by regulating charging voltage and charging current to come to charge to battery according to different battery temperatures; thus protect battery; extend the useful life of battery; its implementation is simple, and by software simulating, cost is lower.
Accompanying drawing explanation
Fig. 1 is the flow chart of charging method first embodiment of charging at different temperatures based on mobile terminal provided by the invention.
Fig. 2 is the flow chart of charging method second embodiment of charging at different temperatures based on mobile terminal provided by the invention.
Fig. 3 is the structured flowchart of charging system first embodiment of charging at different temperatures based on mobile terminal provided by the invention.
Fig. 4 is the structured flowchart of charging system second embodiment of charging at different temperatures based on mobile terminal provided by the invention.
Embodiment
The invention provides a kind of charging method of charging at different temperatures based on mobile terminal and charging system and mobile terminal, for making object of the present invention, technical scheme and advantage clearly, clearly, developing simultaneously referring to accompanying drawing, the present invention is described in more detail for embodiment.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Refer to Fig. 1, Fig. 1 is the flow chart of charging method first embodiment of charging at different temperatures based on mobile terminal provided by the invention, comprises the following steps:
Whether step S100, mobile terminal detect battery in charging;
Step S200, when mobile terminal detect battery charge time, the magnitude of voltage of the battery temperature monitor input terminal that the real-time charging circuit of detection mobile terminal is connected with the thermistor of battery, inquire about the magnitude of voltage of battery temperature monitor input terminal and the relation table of battery temperature that prestore, draw current battery temperature;
Step S300, according to current battery temperature, inquire about the relation table of battery temperature and charging voltage and the charging current prestored, and find out the charging voltage corresponding with described current battery temperature and charging current from described battery temperature with the relation table of charging voltage and charging current, correspondence is set to current charging voltage and charging current;
Whether step S400, detection battery are full of; When battery underfill, return step S200; When battery is full of, control complete charge.
Below in conjunction with specific embodiment, above-mentioned steps is described in detail.
In the step s 100, whether whether mobile terminal detects battery in charging, namely have charger charging to the battery in mobile terminal.When battery is not when charging, software keeps waiting for, not triggering following flow process.When battery is when charging, software triggers, and enters follow-up flow process.
In step s 200, the magnitude of voltage of the battery temperature monitor input terminal VBAT_TEMP that the real-time charging circuit of detection mobile terminal is connected with the thermistor of battery, the magnitude of voltage of battery temperature monitor input terminal VBAT_TEMP that Automatic inquirying prestores and the relation table of battery temperature, thus draw current battery temperature.Specifically, its operation principle is as follows: the charging temperature of described battery temperature i.e. battery, in the process of charging, the temperature of battery can constantly change, the thermistor of the battery temperature monitor input terminal VBAT_TEMP series connected battery of the charging circuit of mobile terminal, because the resistance of thermistor reduces along with the rising two of temperature, cause the magnitude of voltage of battery temperature monitor input terminal VBAT_TEMP also can along with change.When practical application, the resistance of described thermistor and NTC resistance is 10K ohm, and the magnitude of voltage of the dividing potential drop of software measurement battery temperature monitor input terminal VBAT_TEMP just can judge battery temperature.The described magnitude of voltage of battery temperature monitor input terminal and the relation table of battery temperature, drawn by a large amount of experiment measurings, for example by magnitude of voltage corresponding during different temperatures in repetitive measurement charging process, be then averaging, thus draw described relation table.As shown in table 1 below, table 1 is the magnitude of voltage of battery temperature monitor input terminal and the relation table of battery temperature of charging method of charging at different temperatures based on mobile terminal provided by the invention.
Table 1
As can be seen from Table 1, when magnitude of voltage is 1.351V, battery temperature is 0 DEG C; When magnitude of voltage is 0.912V, battery temperature is 30 DEG C; When magnitude of voltage is 0.722V, battery temperature is 45 DEG C.It should be noted that, the magnitude of voltage of the monitor input terminal of battery temperature shown in table 1 VBAT_TEMP and the relation of battery temperature are a kind of examples, those of ordinary skill in the art can carry out arranging or changing according to actual needs, or by both corresponding relation refinements more, such as temperature was once often raising a just corresponding magnitude of voltage.
Further, also comprised before described step S100: the peak of the charging temperature of battery is set to 60 DEG C.Charging temperature due to lithium battery is generally 0 DEG C-45 DEG C, its scope is adjusted to 0 DEG C-60 DEG C by the present invention, thus greatly facilitate the use of user, particularly facilitate the use of the temperature user in district higher, when preventing from normally using, occur situation about cannot charge because temperature is higher.As shown in Figure 2, when magnitude of voltage is 0.669V, battery temperature is 50 DEG C; When magnitude of voltage is 0.576V, battery temperature is 60 DEG C.
In step S300, according to the current battery temperature drawn, inquire about the relation table of battery temperature and charging voltage and the charging current prestored, and find out the charging voltage corresponding with described current battery temperature and charging current from described battery temperature with the relation table of charging voltage and charging current, correspondence is set to current charging voltage and charging current.Namely find out at different temperatures to the charging voltage value of battery charging and the current value of charging current in relation table, the charging voltage of battery and charging current correspondence are set to charging voltage corresponding to different temperatures and charging current.Wherein, the relation table of described battery temperature and charging voltage and charging current, drawn by a large amount of experiment measurings, for example by the magnitude of voltage of charging voltage corresponding during different battery temperature in repetitive measurement charging process and the current value of charging current, then be averaging, thus draw described relation table.
In step S400, after adjustment is to the charging voltage of battery charging and charging current, along with charging is carried out, battery temperature also can change, when battery underfill, return step S200, continue the magnitude of voltage detecting battery temperature monitor input terminal VBAT_TEMP, draw current battery temperature, then adjust its charging current and charging voltage; When battery is full of, control complete charge, namely until battery is full of, i.e. charging complete.
Charging method of charging at different temperatures based on mobile terminal provided by the invention, makes in the charging process of battery, according to the adjustment of different temperature adaptation to the charging voltage of battery and charging current, thus can protect battery, extend the life-span; Serve the effect controlling the internal resistance of cell and thickness, namely reduce battery bulging phenomenon.
Further, between described step S100 and S200, also comprise: step S210, mobile terminal detect the magnitude of voltage of the ID resistance of battery to identify the type of battery, and arrange the charge cutoff voltage in charging process.Like this, by identifying the type of battery in advance, thus adopting different charging voltages and charging current to charge to this battery, substantially increasing compatibility.
Further, described step S210 specifically comprises: when the magnitude of voltage of the ID resistance of mobile terminal detection battery is in the first predetermined voltage range, described battery is 4.2V battery, and its cut-ff voltage is 4.2V; When mobile terminal detects the magnitude of voltage of the ID resistance of battery in the second predetermined voltage range, described battery is 4.35V battery, and its cut-ff voltage is 4.35V.
Specifically, described mobile terminal is the Mobile portable equipment such as mobile phone or panel computer, particularly using lithium ion battery as the mobile terminal of power supply.This sentences mobile phone is example, is described.Cell phone lithium-ion batteries have two kinds, a kind of charge cutoff voltage is 4.2V, is 4.2V battery; Another charge cutoff voltage 4.35V, is 4.35V battery.4.2V battery and 4.35V battery have different ID resistance respectively, by identifying the magnitude of voltage VBAT_ID of the ID resistance of battery, judge that the battery in mobile terminal is 4.2V battery or 4.35V battery, thus correspondence arranges the charge cutoff voltage of battery, prevent from using 4.35V voltage to the charging of 4.2V battery, thus avoid the situation that generation overcharges 4.2V battery.Preferably, described first predetermined voltage range is 50-150mV; Described second predetermined voltage range is 600-700mV.When practical application, because the ID resistance that current battery uses is mostly the resistance of 10K and 100K, the magnitude of voltage VBAT_ID of the ID resistance of battery is respectively 98mV and 657mV.Just effectively can identify by the magnitude of voltage of the ID resistance detecting battery, correctly distinguish different battery like this.
Further, when mobile terminal detects the magnitude of voltage of the ID resistance of battery in the first predetermined voltage range, namely when the battery in mobile terminal is 4.2V battery, described step S300 specifically comprises: according to current battery temperature, inquire about the battery temperature of 4.2V battery and the relation table of charging voltage and charging current that prestore, the current charging voltage to the charging of 4.2V battery of corresponding change and charging current.Following table 2 is the battery temperature of 4.2V battery and the relation table of charging voltage and charging current of charging method of charging at different temperatures based on mobile terminal provided by the invention.
Table 2
As shown in table 2, work as current battery temperature, namely when charging temperature is between 0 DEG C-10 DEG C or between 10 DEG C-45 DEG C, as shown in table 2 (magnitude of voltage shown in figure and current value are a scope for corresponding charging voltage and charging current, this is because magnitude of voltage and current value can a little fluctuate in charging process, can not keep definitely constant, not do too much explanation herein), read corresponding parameter value and magnitude of voltage and current value be set to charging voltage and the charging current of present battery.
When mobile terminal detects the magnitude of voltage of the ID resistance of battery in the second predetermined voltage range, namely when the battery in mobile terminal is 4.35V battery, described step S300 specifically comprises: when mobile terminal detects that battery is 4.35V battery, according to current battery temperature, inquire about the battery temperature of 4.35V battery and the relation table of charging voltage and charging current that prestore, the current charging voltage to the charging of 4.35V battery of corresponding change and charging current.As shown in table 3 below, table 3 is the battery temperature of 4.35V battery and the relation table of charging voltage and charging current of charging method of charging at different temperatures based on mobile terminal provided by the invention.
Table 3
As can be seen from Table 3, when current battery temperature, namely when charging temperature is between 0 DEG C-10 DEG C or between 10 DEG C-45 DEG C, corresponding charging voltage and charging current as shown in table 3, read corresponding parameter value and magnitude of voltage and current value be set to charging voltage and the charging current of present battery.
It should be noted that; the relation table of battery temperature and charging voltage and charging current shown in table 2 and table 3 just a kind of preferred implementation wherein; those of ordinary skill in the art can carry out arranging or change to better parameter according to actual needs; or by both corresponding relation refinements more; for example temperature was once often raising just a corresponding magnitude of voltage and current value; all these improve and convert the protection range that all should belong to claims of the present invention, do not do too much description herein.
Please consult table 2 and table 3 further, when the relation table of described battery temperature and charging voltage and charging current also comprises temperature range 45 DEG C-60 DEG C, the magnitude of voltage of corresponding charging voltage.Like this, make the temperature scope of application of lithium ion battery obtain expansion, facilitate temperature higher district user use; And exceed the scope of application of existing lithium ion battery at this, also according to charging temperature correspondence adjustment charging voltage and the charging current of battery, make battery after charging temperature exceeds 45 DEG C, also can ensure trouble free service.
Refer to Fig. 2, Fig. 2 is the flow chart of charging method second embodiment of charging at different temperatures based on mobile terminal provided by the invention, and its flow process is as follows: step ST0, beginning; Whether step ST1, detection battery be in charging; When being, proceed to step ST2; When for time no, proceed to step ST3.The magnitude of voltage VBAT_ID of the ID resistance of step ST2, inspection battery, when magnitude of voltage is at the second preset range, such as during 657mV, enters step ST4; When magnitude of voltage is at the first preset range, such as during 98mV, enter step ST5.ST4, to arrange cut-ff voltage be 4.35V, proceeds to step ST6.ST6, detect the magnitude of voltage of the dividing potential drop of battery temperature monitor input terminal VBAT_TEMP, according to the relation table of magnitude of voltage and temperature, draw battery temperature; Proceed to step ST7 again.ST7, according to current battery temperature, the battery temperature of inquiry 4.35V battery and the relation table of charging voltage and charging current, be set to current charging voltage and charging current by its correspondence; Proceeding to step ST8.Whether ST8, detection battery are full of; When battery underfill, return step ST6, namely continue the magnitude of voltage of the dividing potential drop detecting battery temperature monitor input terminal VBAT_TEMP, according to the relation table of magnitude of voltage and temperature, draw current battery temperature; When battery is full of, proceed to step ST12, battery is full of, i.e. charging complete.Step ST5, to arrange cut-ff voltage be 4.2V, proceeds to step ST9.ST9, detect the magnitude of voltage of the dividing potential drop of battery temperature monitor input terminal VBAT_TEMP, according to the relation table of magnitude of voltage and temperature, draw battery temperature; Proceed to step ST10 again.ST10, according to current battery temperature, the battery temperature of inquiry 4.2V battery and the relation table of charging voltage and charging current, be set to current charging voltage and charging current by its correspondence; Proceeding to step ST11.Whether ST11, detection battery are full of; When battery underfill, return step ST9, namely continue the magnitude of voltage of the dividing potential drop detecting battery temperature monitor input terminal VBAT_TEMP, according to the relation table of magnitude of voltage and temperature, draw current battery temperature; When battery is full of, proceed to step ST12, i.e. charging complete.ST12, battery are full of, i.e. charging complete.Software enters wait state, waits for and charging next time.
Based on the charging method that above-mentioned mobile terminal charges at different temperatures, present invention also offers a kind of charging system charged at different temperatures based on mobile terminal, as shown in Figure 3, comprising:
Whether first detection module 110, charging for the battery detected in mobile terminal; As detailed above.
Pre-stored module 120, for the relation table of the magnitude of voltage and battery temperature that prestore battery temperature monitor input terminal, and prestores the relation table of battery temperature and charging voltage and charging current; As detailed above.
Second detection module 130, for the magnitude of voltage of the battery temperature monitor input terminal that the thermistor of the charging circuit with battery that detect mobile terminal is in real time connected, inquire about the magnitude of voltage of battery temperature monitor input terminal and the relation table of battery temperature that prestore, draw current battery temperature; As detailed above.
Module 140 is set, for according to current battery temperature, inquire about the relation table of battery temperature and charging voltage and the charging current prestored, and find out the charging voltage corresponding with described current battery temperature and charging current from described battery temperature with the relation table of charging voltage and charging current, correspondence is set to current charging voltage and charging current; As detailed above.
Whether the 3rd detection module 150, be full of for detecting battery; As detailed above.
Further, as shown in Figure 4, described charging system also comprises: the 4th detection module 160, and the magnitude of voltage for the battery ID end in mobile terminal identifies the type of battery, judges that described battery is 4.2V battery or 4.35 batteries; Described module is set also for arranging the charge cutoff voltage in the battery charging process of mobile terminal; As detailed above.
Further, described pre-stored module 120 is also for the relation table of the battery temperature and charging voltage and charging current that store 4.2V battery, and the relation table of the battery temperature of 4.35V battery and charging voltage and charging current.
Based on the charging system that above-mentioned mobile terminal charges at different temperatures, present invention also offers a kind of mobile terminal, comprise above-mentioned charging system.
Mobile terminal of the present invention is not limited to mobile phone, also can be used for other mobile terminals of computer, digital camera etc.
In sum, a kind of charging method of charging at different temperatures based on mobile terminal provided by the invention and charging system and mobile terminal, by when the battery examined mobile terminal charges, the magnitude of voltage of the battery temperature monitor input terminal that the real-time charging circuit of detection mobile terminal is connected with the thermistor of battery, inquire about the magnitude of voltage of battery temperature monitor input terminal and the relation table of battery temperature that prestore, draw current battery temperature; According to current battery temperature, inquire about the relation table of battery temperature and charging voltage and the charging current prestored, and find out the charging voltage corresponding with described current battery temperature and charging current from described battery temperature with the relation table of charging voltage and charging current, correspondence is set to current charging voltage and charging current; Detect battery more whether to be full of; When battery underfill, continue the magnitude of voltage detecting battery temperature monitor input terminal, draw current battery temperature, then correspondence adjusts charging voltage and charging current; When battery is full of, control complete charge; By regulating charging voltage and charging current to come battery charging according to different battery temperatures, thus protect battery, extend the useful life of battery, its implementation is simple, and by software simulating, cost is lower.
Should be understood that, application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection range that all should belong to claims of the present invention.
Claims (7)
1. based on the charging method that mobile terminal charges at different temperatures, it is characterized in that, comprise the following steps:
Whether A, mobile terminal detect battery in charging;
B, when mobile terminal detect battery charge time, the magnitude of voltage of the battery temperature monitor input terminal that the real-time charging circuit of detection mobile terminal is connected with the thermistor of battery, inquire about the magnitude of voltage of battery temperature monitor input terminal and the relation table of battery temperature that prestore, draw current battery temperature;
C, according to current battery temperature, inquire about the relation table of battery temperature and charging voltage and the charging current prestored, and find out the charging voltage corresponding with described current battery temperature and charging current from described battery temperature with the relation table of charging voltage and charging current, correspondence is set to current charging voltage and charging current;
Whether D, detection battery are full of; When battery underfill, return step B; When battery is full of, control complete charge;
Between described steps A and B, also comprise step:
The magnitude of voltage of the ID resistance of B1, mobile terminal detection battery identifies the type of battery, and arranges the charge cutoff voltage in charging process;
Described step B1 specifically comprises:
When the magnitude of voltage of the ID resistance of mobile terminal detection battery is in the first predetermined voltage range, described battery is 4.2V battery, and its cut-ff voltage is 4.2V; When mobile terminal detects the magnitude of voltage of the ID resistance of battery in the second predetermined voltage range, described battery is 4.35V battery, and its cut-ff voltage is 4.35V.
2. charging method of charging at different temperatures based on mobile terminal according to claim 1, is characterized in that, described step C specifically comprises:
When mobile terminal detects that battery is 4.2V battery, according to current battery temperature, inquire about the battery temperature of 4.2V battery and the relation table of charging voltage and charging current that prestore, the current charging voltage to the charging of 4.2V battery of corresponding change and charging current;
When mobile terminal detects that battery is 4.35V battery, according to current battery temperature, inquire about the battery temperature of 4.35V battery and the relation table of charging voltage and charging current that prestore, the current charging voltage to the charging of 4.35V battery of corresponding change and charging current.
3. charging method of charging at different temperatures based on mobile terminal according to claim 1, is characterized in that, described first predetermined voltage range is 50-150mV; Described second predetermined voltage range is 600-700mV.
4. charging method of charging at different temperatures based on mobile terminal according to claim 1, is characterized in that, also comprises before described steps A:
A0, the peak of the charging temperature of battery is set to 60 DEG C.
5. based on the charging system that mobile terminal charges at different temperatures, it is characterized in that, comprising:
Whether first detection module, charging for the battery detected in mobile terminal;
Pre-stored module, for the relation table of the magnitude of voltage and battery temperature that prestore battery temperature monitor input terminal, and prestores the relation table of battery temperature and charging voltage and charging current;
Second detection module, for the magnitude of voltage of the battery temperature monitor input terminal that the thermistor of the charging circuit with battery that detect mobile terminal is in real time connected, inquire about the magnitude of voltage of battery temperature monitor input terminal and the relation table of battery temperature that prestore, draw current battery temperature;
Module is set, for according to current battery temperature, inquire about the relation table of battery temperature and charging voltage and the charging current prestored, and find out the charging voltage corresponding with described current battery temperature and charging current from described battery temperature with the relation table of charging voltage and charging current, correspondence is set to current charging voltage and charging current;
Whether the 3rd detection module, be full of for detecting battery;
Also comprise:
4th detection module, the magnitude of voltage for the battery ID end in mobile terminal identifies the type of battery, judges that described battery is 4.2V battery or 4.35 batteries; Described module is set also for arranging the charge cutoff voltage in the battery charging process of mobile terminal.
6. the charging system charged at different temperatures based on mobile terminal according to claim 5, it is characterized in that, described pre-stored module is also for the relation table of the battery temperature and charging voltage and charging current that store 4.2V battery, and the relation table of the battery temperature of 4.35V battery and charging voltage and charging current.
7. a mobile terminal, is characterized in that, comprises the charging system charged at different temperatures based on mobile terminal described in any one of power 5 to 6.
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| CN201210573322.6A CN103051027B (en) | 2012-12-26 | 2012-12-26 | Mobile terminal and charging method and charging system for charging mobile terminal at different temperatures |
| PCT/CN2013/080628 WO2014101415A1 (en) | 2012-12-26 | 2013-08-01 | Mobile terminal, charging method and charging system for charging the mobile terminal in different temperatures |
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| CN201210573322.6A CN103051027B (en) | 2012-12-26 | 2012-12-26 | Mobile terminal and charging method and charging system for charging mobile terminal at different temperatures |
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| CN103051027B (en) * | 2012-12-26 | 2015-04-22 | Tcl通讯（宁波）有限公司 | Mobile terminal and charging method and charging system for charging mobile terminal at different temperatures |
| CN105337321A (en) * | 2014-07-01 | 2016-02-17 | 苏州宝时得电动工具有限公司 | Charging management system and power tool |
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