CN104103868A - Charging method and system for charger of mobile terminal - Google Patents
Charging method and system for charger of mobile terminal Download PDFInfo
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- CN104103868A CN104103868A CN201410346744.9A CN201410346744A CN104103868A CN 104103868 A CN104103868 A CN 104103868A CN 201410346744 A CN201410346744 A CN 201410346744A CN 104103868 A CN104103868 A CN 104103868A
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- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000001514 detection method Methods 0.000 claims abstract description 37
- 230000000630 rising effect Effects 0.000 claims description 9
- 238000010586 diagram Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 2
- 230000008520 organization Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
Classifications
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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
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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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The invention discloses a charging method and system for a charger of a mobile terminal. The method comprises the steps as follows: detecting whether a D+ end and a D- end of a USB port of the charger are short-circuited or not after preset time when the mobile terminal is charged by the charger, and if the D+ end and the D- end of the USB port of the charger are short-circuited, setting a charging current as a first current value; if the D+ end and the D- end of the USB port of the charger are not short-circuited, setting the charging current as a second current value, and detecting whether the D+ end and the D- end are short-circuited or not at intervals of the preset time. Thus, the mobile terminal can identify the type of the charger accurately, detection errors caused by arrangement of port structures of the USB port are avoided, the problem that the mobile terminal detects the standard charger as a non-standard charger by mistake is solved, and the great convenience is brought to users.
Description
Technical field
The present invention relates to mobile terminal charging field, in particular a kind of charger charging method and system of mobile terminal.
Background technology
Along with the development of mobile terminal technology, the use of the mobile terminals such as mobile phone is more and more universal, because service time is longer, makes the charging times of mobile terminal more and more.The charger majority that mobile terminal uses is at present USB interface, and this charger is divided into two kinds, as shown in Fig. 1 ~ Fig. 3, Figure 1 shows that the D+ end and D-terminal shortcircuit of the USB interface of charger, and this is standard charging device.Fig. 2 and Figure 3 shows that the D+ end of the USB interface of charger holds not short circuit with D-, wherein, Fig. 2 is D+ end and D-end open circuit, and Fig. 3 is that D+ end connects VBUS end by a resistance, D-end connects GND end by a resistance, and Fig. 2 and Fig. 3 are existing two kinds of non-standard chargers.
At present, general mobile terminal can be identified this charger of two types, is identifying as adopting corresponding charge parameter to charge after which kind of charger; In general, standard charging device, its charging current is larger; The USB interface of non-standard charger, its charging current is less.But not standard charging device kind is a lot, for example IPhone charger, onboard charger are (though be also USB interface, but its D+, not short circuit of D-, therefore be non-standard charger) etc., the detection method of these non-standard chargers only has the manufacturer that produces charger just to know, for safe charging and compatible these chargers, the general all charging currents of non-standard charger of mobile terminal production firm are set to 0.5A.
Mobile terminal is detecting while being connected with charger, by judging that the D+ of USB interface of charger holds and D-holds whether short circuit judges that charger is also criteria of right and wrong charger of standard charging device.In the time that reality is used, refer to Fig. 4, connect mobile terminal and be connected by USB line with charger, the USB interface of this USB line comprises VBUS, D+, D-, tetra-ports of GND; Wherein, VBUS end is slightly longer than D+, D-two ends with GND end, as shown in Figure 4; This is prior art.
Because VBUS end and the GND end of USB interface in prior art are slightly longer than D+ end and D-end, will cause mobile terminal that standard charging device is detected as to non-standard charger, thereby make charging current less, the charging interval is elongated, makes troubles to user.Specifically refer to Fig. 5, Fig. 5 is the schematic diagram that in prior art, mobile terminal is connected charging with charger, and the usb 10 of mobile terminal is by the USB interface 20 of USB line 30 connecting chargers.In the time using USB line 30 that charger is connected with mobile terminal, if insert action is slightly slow, as shown in Figure 5, the VBUS of mobile terminal holds, GND end is held corresponding being connected with VBUS end, the GND of charger respectively, but D+ holds, D-holds also not corresponding successful connection; Cause mobile terminal that standard charging device is detected as to non-standard charger; Cause the charging current of user in the time using standard charging device less, the charging interval is elongated, 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, a kind of charger charging method and system of mobile terminal are provided, and easily charger is produced to error detection and causes the problem that the less charging interval of charging current grows thereby be intended to solve existing mobile terminal.
The technical scheme that technical solution problem of the present invention adopts is as follows:
A charger charging method for mobile terminal, wherein, comprises the following steps:
Whether A, detection mobile terminal have charger access and charge, and if yes, perform step B;
B, after the scheduled time, D+ end and the D-that detects the USB interface of described charger holds whether short circuit, if yes, described charger is standard charging device; If NO, described charger is non-standard charger;
C, in the time that described charger is standard charging device, the size that the charging current of described charger is set is the first current value, and described mobile terminal is charged; In the time that described charger is non-standard charger, the size that charging current is set is the second current value, described mobile terminal is charged, and return to step B.
The charger charging method of described mobile terminal, wherein, described steps A specifically comprises:
On the VBUS end of the USB interface of A1, detection mobile terminal, whether producing rising edge interrupts; If yes, mobile terminal has charger to access and charges, and proceeds to step B; If NO, mobile terminal does not have charger charging.
The charger charging method of described mobile terminal, wherein, described step B specifically comprises:
B1, to start time-out time be the scheduled time timer, judge that whether described timer is overtime, and if yes, D+ end and the D-that detects the USB interface of described charger holds whether short circuit;
B2, to the some different magnitudes of voltage of D+ end output of the USB interface of described charger, and check the corresponding voltage value of the D-end of the USB interface of described charger, whether the D+ that judges the USB interface of described charger holds consistent with the voltage of D-end, if so, described charger is the standard charging device of D+ end and D-terminal shortcircuit; If NO, described charger is that D+ end is held the non-standard charger of not short circuit with D-.
The charger charging method of described mobile terminal, wherein, the described scheduled time is 1 second.
The charger charging method of described mobile terminal, wherein, described the first current value is 1 ampere, the second current value is 0.5 ampere.
A charger charging system for mobile terminal, wherein, comprising:
Whether charger connection detection module, have charger access and charge for detection of mobile terminal;
Charger type detection module, for after detecting mobile terminal and being the scheduled time when having charger access and charging, detects the D+ end of USB interface of described charger and D-and holds whether short circuit, and if yes, described charger is standard charging device; If NO, described charger is non-standard charger;
Charge control module, for in the time that described charger is non-standard charger, the size that charging current is set is the second current value, described mobile terminal is charged, and the D+ end that continues the USB interface that detects described charger after the scheduled time and D-holds whether short circuit; When described charger is standard charging device, the size that charging current is set is the first current value, and described mobile terminal is charged.
The charger charging system of described mobile terminal, wherein, whether described charger connection detection module, produce rising edge and interrupt on the VBUS end for detection of the USB interface of mobile terminal; If yes, mobile terminal has charger to access and charges; If NO, mobile terminal does not have charger charging.
The charger charging system of described mobile terminal, wherein, described charger type detection module comprises:
Timing unit, for starting the timer that time-out time is the scheduled time, judges that whether described timer is overtime;
Charger type detecting unit, for in the time of described timer expiry, to the some different magnitudes of voltage of D+ end output of the USB interface of described charger, and check the corresponding voltage value of the D-end of the USB interface of described charger, whether the D+ that judges the USB interface of described charger holds consistent with the voltage of D-end, if so, described charger is the standard charging device of D+ end and D-terminal shortcircuit; If NO, described charger is that D+ end is held the non-standard charger of not short circuit with D-.
The charger charging system of described mobile terminal, wherein, the described scheduled time is 1 second.
The charger charging system of described mobile terminal, wherein, described the first current value is 1 ampere, the second current value is 0.5 ampere.
Charger charging method and the system of a kind of mobile terminal provided by the present invention, thereby effectively having solved existing mobile terminal easily produces error detection to charger and causes the problem that the less charging interval of charging current grows, whether there is charger access and charge by detecting mobile terminal, if yes, after the scheduled time, D+ end and the D-that detects the USB interface of described charger holds whether short circuit; If short circuit, described charger is standard charging device; If not short circuit, described charger is non-standard charger; In the time that described charger is standard charging device, the size that the charging current of described charger is set is the first current value, and described mobile terminal is charged; In the time that described charger is non-standard charger, the size that charging current is set is the second current value, described mobile terminal is charged, and the D+ end that continues the USB interface that detects described charger after the scheduled time and D-holds whether short circuit; D+ end by there being a USB interface that detects charger after the charger scheduled time in when charging at mobile terminal and D-hold whether short circuit, if short circuit, it is the first current value that charging current is set; If not short circuit, it is the second current value that charging current is set, and detects D+ end and D-every a scheduled time and hold whether short circuit; Make mobile terminal can accurately identify the type of charger, avoided the port organization setting of USB interface and the error detection that causes, avoided mobile terminal that standard charging device error detection is become to non-standard charger, it is convenient greatly to have brought to user.
Brief description of the drawings
Fig. 1 is the schematic diagram of the USB interface of prior art Plays charger.
Fig. 2 is the schematic diagram of USB interface first embodiment of non-standard charger in prior art.
Fig. 3 is the schematic diagram of USB interface second embodiment of non-standard charger in prior art.
Fig. 4 is the practical structures schematic diagram of the USB interface of charger in prior art.
Fig. 5 is the schematic diagram that in prior art, mobile terminal is connected charging with charger.
Fig. 6 is the flow chart of the charger charging method preferred embodiment of mobile terminal provided by the invention.
Fig. 7 is the flow and method figure of the charger charging method Application Example of mobile terminal provided by the invention.
Fig. 8 is the structured flowchart of the charger charging system preferred embodiment of mobile terminal provided by the invention.
Embodiment
The invention provides a kind of charger charging method and system of mobile terminal, for making object of the present invention, technical scheme and advantage clearer, clear and definite, 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, is not intended to limit the present invention.
Refer to Fig. 6, the flow chart of the charger charging method preferred embodiment that Fig. 6 is mobile terminal provided by the invention, as shown in the figure, the charger charging method of described mobile terminal comprises the following steps:
Whether step S100, detection mobile terminal have charger access and charge, and if yes, perform step S200;
Step S200, after the scheduled time, D+ end and the D-that detects the USB interface of described charger holds whether short circuit, if yes, described charger is standard charging device; If NO, described charger is non-standard charger;
Step S300, in the time that described charger is standard charging device, the size that the charging current of described charger is set is the first current value, and described mobile terminal is charged; In the time that described charger is non-standard charger, the size that charging current is set is the second current value, described mobile terminal is charged, and return to step S200.
Below in conjunction with specific embodiment, above-mentioned steps is described in detail.
In step S100, detecting mobile terminal is that whether charger accesses and charges, and if yes, performs step S200.Specifically, described mobile terminal can be mobile phone, panel computer etc. and has the mobile terminal of USB interface.The USB interface of described mobile terminal can be used for charging and transfer of data etc., and the USB interface of described charger connects the USB interface of described mobile terminal by USB line correspondence, thereby charges to mobile terminal.The charging input USB interface of described mobile terminal comprises VBUS, D+, D-, tetra-pins of GND, and wherein VBUS end is USB power supply, and GND end is ground connection, and D+ end is usb data line (just), and D-end is usb data line (bearing).This is prior art, only does simple declaration.In the time of practical application, mobile terminal detects on the VBUS end of its charging input USB interface whether produce rising edge interruption; If yes, mobile terminal has charger to access and charges, and proceeds to step S200; If NO, mobile terminal does not have charger charging.This is because charger is in the time charging to mobile terminal, the VBUS end of the USB interface of mobile terminal all can produce rising edge and interrupt, and detects rising edge on the VBUS end of its charging input USB interface interrupt just can detecting charger and whether access mobile terminal and charge by detecting mobile terminal.
In step S200, after the scheduled time, D+ end and the D-that detects the USB interface of described charger holds whether short circuit, and if yes, described charger is standard charging device; If NO, described charger is non-standard charger.Specifically, in the time charger access mobile terminal being detected and charge, the VBUS end and corresponding VBUS end and the GND end that has been connected charger of GND end of mobile terminal is described.After described step S200 is exactly the scheduled time in the time charger access mobile terminal being detected and charge, D+ end and the D-that mobile terminal detects the USB interface of described charger holds whether short circuit, if short circuit illustrates that described charger is standard charging device; If not short circuit, illustrates that described charger is non-standard charger; Whether thereby having realized mobile terminal is the detection of standard charging device to charger.
In step S300, in the time that described charger is standard charging device, the size that the charging current of described charger is set is the first current value, and described mobile terminal is charged; In the time that described charger is non-standard charger, the size that charging current is set is the second current value, described mobile terminal is charged, and return to step S200.Specifically, in the time detecting that described charger is standard charging device, the charging current of described charger is set is the first current value to mobile terminal, such as 1A, thereby mobile terminal is charged; In the time detecting that described charger is non-standard charger, the charging current of described charger is set is the second current value to mobile terminal, such as 0.5A, thereby to mobile terminal charging, and return to step S200.That is to say, after detecting that charger is non-standard charger, it is 0.5A that mobile terminal arranges charging current, then after the scheduled time, continue again to detect D+ end and D-and hold whether short circuit, if namely detect, charger is non-standard charger, D+ end and the D-that detects the USB interface of described charger every the scheduled time holds whether short circuit, until mobile terminal charged, or mobile terminal detects that charger is standard charging device.Like this, the present invention has just realized that to avoid standard charging device error detection be non-standard charger, avoids occurring the situation that when standard charging device is detected as non-standard charger by mobile terminal, charging current is less and the charging interval is elongated.
Further, described the first current value is 1 ampere, and the second current value is 0.5 ampere, the charging current value of standard charging device and the charging current value of non-standard charger that these two current values are mobile terminal.Certainly, also can arrange according to actual parameter requirement and demand.
Further, described step S200 specifically comprises:
S210, to start time-out time be the scheduled time timer, judge that whether described timer is overtime, and if yes, D+ end and the D-that detects the USB interface of described charger holds whether short circuit;
S220, to the some different magnitudes of voltage of D+ end output of the USB interface of described charger, and check the corresponding voltage value of the D-end of the USB interface of described charger, whether the D+ that judges the USB interface of described charger holds consistent with the voltage of D-end, if so, described charger is the standard charging device of D+ end and D-terminal shortcircuit; If NO, described charger is that D+ end is held the non-standard charger of not short circuit with D-.
Specifically, a timer is set in mobile terminal, its time-out time is the scheduled time.Then be when having charger access and charging detecting mobile terminal, start described timer, in the time of described timer expiry, detect the D+ end of USB interface of described charger and D-and hold whether short circuit.As for specifically how detecting whether short circuit, can export the D+ end of several different magnitudes of voltage to the USB interface of charger by mobile terminal, whether mobile terminal is also consistent with the magnitude of voltage of mobile terminal output by the voltage of D-end of USB interface that detects charger, if unanimously think, charger is standard charging device, otherwise thinks that charger is non-standard charger.For example,, successively by mobile terminal output voltage 2V, 3V, 4V; If detect successively, the voltage of D-end is 2V, 3V, and 4V thinks that the charger that mobile terminal connects is the standard charging device of D+, D-short circuit; Otherwise think that the charger that mobile terminal connects is the non-standard charger of D+, not short circuit of D-.
In the time of practical application, the described scheduled time is 1 second.That is to say after detecting that charger is non-standard charger, it is 0.5A that mobile terminal arranges charging current, and every 1 second scheduled time, detect again the type of charger, if short circuit is standard charging device, it is 1A that charging current is set, if not short circuit, be non-standard charger, continue to wait for scheduled time detection again afterwards, until mobile terminal stops charging, charged or detected that charger is standard charging device.
With an Application Example, step of the present invention is elaborated below, refers to Fig. 7, the flow and method figure of the charger charging method Application Example that Fig. 7 is mobile terminal provided by the invention.The concrete steps of the charger charging method of described mobile terminal are as follows: S10, when on the VBUS end that mobile terminal USB interface detected produce rising edge interrupt time think that mobile terminal is connected with charger.Then entering step S20, starting time-out time is the timer of 1 second.S30, judge that whether timer is overtime, if yes, enter step S40, if NO, continue to judge that whether timer is overtime.S40, the D+ end of USB interface that detects charger and D-hold whether short circuit, and if yes, entering step S50, charging current is set is that 1A charges, timeing closing device; If NO, entering step S60, charging current is set is that 0.5A charges, and returns to step S20.
The charger charging method of mobile terminal provided by the invention, avoid standard charging device error detection to become non-standard charger, avoid mobile terminal that standard charging device is detected as to the non-standard charger problem that charging current is less and the charging interval is elongated constantly, improved the accuracy rate that charger detects, it is convenient greatly to have brought to user.
Charger charging method based on above-mentioned mobile terminal, the present invention also provides a kind of charger charging system of mobile terminal, and as shown in Figure 8, described system comprises:
Whether charger connection detection module 210, have charger access and charge for detection of mobile terminal; Specifically as described in step S100.
Charger type detection module 220, for after detecting mobile terminal and being the scheduled time when having charger access and charging, detects the D+ end of USB interface of described charger and D-and holds whether short circuit, and if yes, described charger is standard charging device; If NO, described charger is non-standard charger; Specifically as described in step S200.
Charge control module 230, for in the time that described charger is non-standard charger, the size that charging current is set is the second current value, described mobile terminal is charged, and the D+ end that continues the USB interface that detects described charger after the scheduled time and D-holds whether short circuit; When described charger is standard charging device, the size that charging current is set is the first current value, and described mobile terminal is charged; Specifically as described in step S300.
In the time of practical application, please continue to refer to Fig. 8, described charger connection detection module 210, charger type detection module 220 and charge control module 230 are arranged in the central processing unit 200 of mobile terminal, and the corresponding usb 1 00 that connects mobile terminal.
Further, whether described charger connection detection module 210, produce rising edge and interrupt on the VBUS end for detection of the USB interface of mobile terminal; If yes, mobile terminal has charger to access and charges; If NO, mobile terminal does not have charger charging.
Further, described charger type detection module 220 comprises:
Timing unit, for starting the timer that time-out time is the scheduled time, judges that whether described timer is overtime;
Charger type detecting unit, for in the time of described timer expiry, to the some different magnitudes of voltage of D+ end output of the USB interface of described charger, and check the corresponding voltage value of the D-end of the USB interface of described charger, whether the D+ that judges the USB interface of described charger holds consistent with the voltage of D-end, if so, described charger is the standard charging device of D+ end and D-terminal shortcircuit; If NO, described charger is that D+ end is held the non-standard charger of not short circuit with D-.
Preferably, the described scheduled time is 1 second.Preferably, described the first current value is 1 ampere, and the second current value is 0.5 ampere.
In sum, charger charging method and the system of a kind of mobile terminal provided by the invention, the D+ end that has the USB interface that detects charger after the charger scheduled time in when charging by mobile terminal and D-hold whether short circuit, if short circuit, it is the first current value that charging current is set; If not short circuit, it is the second current value that charging current is set, and detects D+ end and D-every a scheduled time and hold whether short circuit; Make mobile terminal can accurately identify the type of charger, avoided the port organization setting of USB interface and the error detection that causes, avoided mobile terminal that standard charging device error detection is become to non-standard charger, it is convenient greatly to have brought to user.
Should be understood that, application of the present invention is not limited to above-mentioned giving an example, and for those of ordinary skills, can be improved according to the above description or convert, and all these improvement and conversion all should belong to the protection range of claims of the present invention.
Claims (10)
1. a charger charging method for mobile terminal, is characterized in that, comprises the following steps:
Whether A, detection mobile terminal have charger access and charge, and if yes, perform step B;
B, after the scheduled time, D+ end and the D-that detects the USB interface of described charger holds whether short circuit, if yes, described charger is standard charging device; If NO, described charger is non-standard charger;
C, in the time that described charger is standard charging device, the size that the charging current of described charger is set is the first current value, and described mobile terminal is charged; In the time that described charger is non-standard charger, the size that charging current is set is the second current value, described mobile terminal is charged, and return to step B.
2. the charger charging method of mobile terminal according to claim 1, is characterized in that, described steps A specifically comprises:
On the VBUS end of the USB interface of A1, detection mobile terminal, whether producing rising edge interrupts; If yes, mobile terminal has charger to access and charges, and proceeds to step B; If NO, mobile terminal does not have charger charging.
3. the charger charging method of mobile terminal according to claim 1, is characterized in that, described step B specifically comprises:
B1, to start time-out time be the scheduled time timer, judge that whether described timer is overtime, and if yes, D+ end and the D-that detects the USB interface of described charger holds whether short circuit;
B2, to the some different magnitudes of voltage of D+ end output of the USB interface of described charger, and check the corresponding voltage value of the D-end of the USB interface of described charger, whether the D+ that judges the USB interface of described charger holds consistent with the voltage of D-end, if so, described charger is the standard charging device of D+ end and D-terminal shortcircuit; If NO, described charger is that D+ end is held the non-standard charger of not short circuit with D-.
4. the charger charging method of mobile terminal according to claim 3, is characterized in that, the described scheduled time is 1 second.
5. the charger charging method of mobile terminal according to claim 1, is characterized in that, described the first current value is 1 ampere, and the second current value is 0.5 ampere.
6. a charger charging system for mobile terminal, is characterized in that, comprising:
Whether charger connection detection module, have charger access and charge for detection of mobile terminal;
Charger type detection module, for after detecting mobile terminal and being the scheduled time when having charger access and charging, detects the D+ end of USB interface of described charger and D-and holds whether short circuit, and if yes, described charger is standard charging device; If NO, described charger is non-standard charger;
Charge control module, for in the time that described charger is non-standard charger, the size that charging current is set is the second current value, described mobile terminal is charged, and the D+ end that continues the USB interface that detects described charger after the scheduled time and D-holds whether short circuit; When described charger is standard charging device, the size that charging current is set is the first current value, and described mobile terminal is charged.
7. the charger charging system of mobile terminal according to claim 6, is characterized in that, whether described charger connection detection module produces rising edge and interrupt on the VBUS end for detection of the USB interface of mobile terminal; If yes, mobile terminal has charger to access and charges; If NO, mobile terminal does not have charger charging.
8. the charger charging system of mobile terminal according to claim 6, is characterized in that, described charger type detection module comprises:
Timing unit, for starting the timer that time-out time is the scheduled time, judges that whether described timer is overtime;
Charger type detecting unit, for in the time of described timer expiry, to the some different magnitudes of voltage of D+ end output of the USB interface of described charger, and check the corresponding voltage value of the D-end of the USB interface of described charger, whether the D+ that judges the USB interface of described charger holds consistent with the voltage of D-end, if so, described charger is the standard charging device of D+ end and D-terminal shortcircuit; If NO, described charger is that D+ end is held the non-standard charger of not short circuit with D-.
9. the charger charging system of mobile terminal according to claim 8, is characterized in that, the described scheduled time is 1 second.
10. the charger charging system of mobile terminal according to claim 6, is characterized in that, described the first current value is 1 ampere, and the second current value is 0.5 ampere.
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| CN201410346744.9A CN104103868B (en) | 2014-07-21 | 2014-07-21 | Charging method and system for charger of mobile terminal |
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| CN201410346744.9A CN104103868B (en) | 2014-07-21 | 2014-07-21 | Charging method and system for charger of mobile terminal |
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| CN104767180A (en) * | 2015-03-20 | 2015-07-08 | 深圳市万普拉斯科技有限公司 | Large current charging protection method and system for USB interface |
| CN105680501A (en) * | 2014-12-05 | 2016-06-15 | 宏达国际电子股份有限公司 | Portable electronic device and charging method therefor |
| CN105826961A (en) * | 2015-06-29 | 2016-08-03 | 维沃移动通信有限公司 | Device for identifying electronic equipment standard charger |
| CN105826975A (en) * | 2016-03-25 | 2016-08-03 | 维沃移动通信有限公司 | Charging circuit, mobile terminal and charging control method |
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| CN104348238B (en) * | 2014-11-13 | 2017-05-10 | 惠州Tcl移动通信有限公司 | Charging voltage control device, mobile terminal and control method |
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| CN106877452B (en) * | 2017-03-31 | 2020-02-21 | 联想(北京)有限公司 | Charging method and charging device |
| CN106877452A (en) * | 2017-03-31 | 2017-06-20 | 联想(北京)有限公司 | A kind of charging method and charging device |
| CN107359661A (en) * | 2017-07-31 | 2017-11-17 | 上海与德科技有限公司 | Charger, charging system and charging method |
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| CN108270266A (en) * | 2018-01-22 | 2018-07-10 | 维沃移动通信有限公司 | A kind of charging method and charger |
| CN108448177A (en) * | 2018-03-14 | 2018-08-24 | 维沃移动通信有限公司 | A kind of charging method and terminal |
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