CN104113114B - Mobile terminal different power self-adaptive charging method - Google Patents
Mobile terminal different power self-adaptive charging method Download PDFInfo
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- CN104113114B CN104113114B CN201410330522.8A CN201410330522A CN104113114B CN 104113114 B CN104113114 B CN 104113114B CN 201410330522 A CN201410330522 A CN 201410330522A CN 104113114 B CN104113114 B CN 104113114B
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 230000006978 adaptation Effects 0.000 claims description 14
- 238000000205 computational method Methods 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007717 exclusion Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Classifications
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
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Abstract
The invention discloses a mobile terminal different power self-adaptive charging method which comprises the following steps: to begin with, setting a safety voltage, line impedance and minimum charge current of a charging IC of the mobile terminal ; then, utilizing the minimum charge current to start a charger of the mobile terminal; reading the stable output voltage of the charger and calculating voltage difference of the output voltage and the safety voltage and current adjustment value; and finally, adjusting the minimum charge current of the charging IC according to the current adjustment value, and the charger charges the mobile terminal with the target charge current obtained after adjustment. The method can be realized through a software algorithm without increasing hardware cost only on the basis of an existing charging circuit, and the algorithm is simple, so that chargers with different power can be utilized to charge a mobile phone, maximum efficiency of the mobile phone charger is given full play to, charging speed is guaranteed to the greatest degree, and great convenience is provided for a larger number of users.
Description
Technical field
The present invention relates to a kind of charging method, particularly a kind of charging method of mobile terminal self adaptation different capacity.
Background technology
Mobile terminal, particularly mobile phone, as a kind of consumer goods, have spread in various people.Inside average family,
Typically there are multiple charger for mobile phone, the power of these chargers and electrical characteristic are mostly different.Formulated according to Ministry of Industry and Information
Unified interface standard, uses different USB line instead, can charge to different mobile phones.At present the battery capacity of smart mobile phone all than
Larger, also ratio is larger for the charging current of software set, is charged the phone and may be had no problem with the charger of standard configuration, but non-
Standard configuration but the charger that meets GB also have inside family a lot.Due to the difference of charger power output, to movement
When terminal particularly mobile phone charges, there are following 2 problems：1st, fill when user employs the carrying out less than standard configuration charger power
When electric, charger for mobile phone cannot normal work, show as charging, charge that slow, charger is extremely hot etc.；2nd, when user makes
With bigger than standard configuration charger power when being charged, lead to not the maximal efficiency reaching charger for mobile phone.
Content of the invention
The present invention is to solve the above problems, there is provided a kind of charging method of mobile terminal self adaptation different capacity, it is not
Only can be charged the phone using the charger of different capacity, the maximal efficiency of charger for mobile phone can be given full play to, the most simultaneously again
Big degree ground ensures charging rate.
For achieving the above object, the technical solution used in the present invention is：
A kind of charging method of mobile terminal self adaptation different capacity is it is characterised in that comprise the following steps：
10. the safe voltage of charging IC, line impedance and the minimum charge current of described mobile terminal are set；
20. start the charger of described mobile terminal with minimum charge current；
The stable output voltage of the 30. described chargers of reading, and calculate the electricity of this output voltage and described safe voltage
Pressure difference；
40. calculate allowed electric current adjusted value according to described voltage difference；
50. are adjusted to the minimum charge current of charging IC according to described electric current adjusted value, after charger is to adjust
Target charge current described mobile terminal is charged.
Preferably, when described safe voltage refers to the output voltage of charger for minimum of a value, this charger can be by institute
State mobile terminal charging IC identification when this charging IC magnitude of voltage.
Preferably, described line impedance includes the mainboard line impedance of described mobile terminal and charging USB line roadlock resists.
Preferably, the computational methods of described electric current adjusted value are：
△ I=△ V/Z, wherein △ V=V1-V0；
Above-mentioned V0 is the safe voltage of charging IC, and V1 is the output voltage of charger, △ V output voltage and safe voltage
Voltage difference, Z is the line impedance of charging IC, and △ I is electric current adjusted value.
Preferably, the computational methods of described target charge current are：
I1=I0+ △ I；
Wherein, △ I is electric current adjusted value, and I0 is the minimum charge current of charging IC, and I1 is the target charging electricity after adjustment
Stream.
Preferably, in described step 10, setting safe voltage is 4.55V, and minimum charge current is 300mA.
Preferably, read the stable output voltage of described charger in described step 30, be by when predetermined
Between read the output voltage of a charger in interval, and calculate the mean value of output voltage after continuously reading repeatedly again, as
The stable output voltage of charger.
Preferably, in described step 40, allowed electric current adjusted value is calculated according to described voltage difference, to described
Voltage difference preset a threshold value, if voltage difference be more than this threshold value; be adjusted charging current, if voltage difference be less than or
Then it is not adjusted charging current equal to this threshold value.
Preferably, when the output voltage of described charger is less than the safe voltage of charging IC, then it is not adjusted charging
Electric current.
The invention has the beneficial effects as follows：
A kind of charging method of mobile terminal self adaptation different capacity of the present invention, it arranges described mobile terminal first
The safe voltage of charging IC, line impedance and minimum charge current, then start described mobile terminal with minimum charge current
Charger, reads the stable output voltage of described charger, and calculates the voltage difference of this output voltage and described safe voltage
Value and electric current adjusted value, are adjusted to the minimum charge current of charging IC finally according to described electric current adjusted value, charger
With the target charge current after adjusting, described mobile terminal is charged, it only needs to the basis in existing charging circuit
On, be can achieve with software algorithm, hardware cost need not be increased, and algorithm simple such that it is able to filling using different capacity
Electrical equipment charges the phone, and gives full play to the maximal efficiency of charger for mobile phone, farthest ensures charging rate, is users
Bring great convenience.
Brief description
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the present invention, this
Bright schematic description and description is used for explaining the present invention, does not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is a kind of general flow chart of the charging method of present invention mobile terminal self adaptation different capacity.
Specific embodiment
In order that the technical problem to be solved, technical scheme and beneficial effect are clearer, clear, below tie
The present invention will be described in further detail to close drawings and Examples.It should be appreciated that specific embodiment described herein is only used
To explain the present invention, it is not intended to limit the present invention.
As shown in figure 1, a kind of charging method of mobile terminal self adaptation different capacity of the present invention, it includes following step
Suddenly：
10. the safe voltage of charging IC, line impedance and the minimum charge current of described mobile terminal are set；The present embodiment
In, safe voltage is preferably 4.55V, and minimum charge current is preferably 300mA；
20. start the charger of described mobile terminal with minimum charge current；
The stable output voltage of the 30. described chargers of reading, and calculate the electricity of this output voltage and described safe voltage
Pressure difference；
40. calculate allowed electric current adjusted value according to described voltage difference；
50. are adjusted to the minimum charge current of charging IC according to described electric current adjusted value, after charger is to adjust
Target charge current described mobile terminal is charged.
When described safe voltage refers to the output voltage of charger for minimum of a value, this charger can be by described mobile whole
The magnitude of voltage of this charging IC during the charging IC identification at end；Described line impedance includes the mainboard line impedance of described mobile terminal
Resist with charging USB line roadlock.
The computational methods of described electric current adjusted value are：
△ I=△ V/Z, wherein △ V=V1-V0；
Above-mentioned V0 is the safe voltage of charging IC, and V1 is the output voltage of charger, △ V output voltage and safe voltage
Voltage difference, Z is the line impedance of charging IC, and △ I is electric current adjusted value.
The computational methods of described target charge current are：
I1=I0+ △ I；
Wherein, △ I is electric current adjusted value, and I0 is the minimum charge current of charging IC, and I1 is the target charging electricity after adjustment
Stream.
Read the stable output voltage of described charger in described step 30, be by predetermined time interval
Read the output voltage of a charger, and calculate the mean value of output voltage after continuously reading repeatedly again, as charger
Stable output voltage；In the present embodiment, described interval time is preferably 10 seconds, reads a charger at interval of 10 seconds
Output voltage, and continuously read 10 times after calculate mean value again.
In described step 40, allowed electric current adjusted value is calculated according to described voltage difference, to described voltage difference
The default threshold value of value, if voltage difference is more than this threshold value, is adjusted charging current, if voltage difference is less than or equal to this threshold
Value is not then adjusted charging current, and described voltage threshold is preferably 50mV；And, the output voltage of described charger is less than
During the safe voltage of charging IC, then it is not adjusted charging current.
Concrete charge step in the present embodiment is as follows：
Specific implementation step is as follows：
1st, according to specifications, setting charging IC is able to detect that safe voltage V0 of charger；
2nd, according to Mobile terminal main board wiring situation, the impedance Z on charging circuit is set, including mainboard line impedance
With charging USB line impedance；
3rd, after mobile terminal detects charger, first it is charged with minimum charging current I0；
4th, the output voltage of charger of interval reading in 10 seconds, continuous 10 times, averaged V1；
If 5 V1>V0, calculates pressure reduction △ V=V1 V0；
If 6 △ V>50mV, calculates the charging current △ I=△ V/Z that can adjust；If △ is V<=50mV, then uncomfortable
Whole charging current；
7th, target charge current I1 of needs adjustment is：I1=I0+ △ I；
8th, charging current I1 is arranged charging IC so that charger is charged to mobile terminal with the electric current of I1；
If 9 V1<=V0, then do not need to adjust charging current.
Described above illustrate and describes the preferred embodiments of the present invention it should be understood that the present invention is not limited to this paper institute
The form disclosing, is not to be taken as the exclusion to other embodiment, and can be used for various other combinations, modification and environment, and energy
Enough in invention contemplated scope herein, it is modified by the technology or knowledge of above-mentioned teaching or association area.And people from this area
The change that carried out of member and change, then all should be in the protections of claims of the present invention without departing from the spirit and scope of the present invention
In the range of.
Claims (7)
1. a kind of charging method of mobile terminal self adaptation different capacity is it is characterised in that comprise the following steps：
10. the safe voltage of charging IC, line impedance and the minimum charge current of described mobile terminal are set；
20. start the charger of described mobile terminal with minimum charge current；
The stable output voltage of the 30. described chargers of reading, and calculate the voltage difference of this output voltage and described safe voltage
Value；
40. calculate allowed electric current adjusted value according to described voltage difference, wherein, the calculating side of described electric current adjusted value
Method is：
△ I=△ V/Z, wherein △ V=V1-V0；
Described V0 is the safe voltage of charging IC, and V1 is the output voltage of charger, the voltage of △ V output voltage and safe voltage
Difference, Z is the line impedance of charging IC, and △ I is electric current adjusted value；
50. are adjusted to the minimum charge current of charging IC according to described electric current adjusted value, and charger is with the mesh after adjusting
Mark charging current is charged to described mobile terminal, and wherein, the computational methods of described target charge current are：
I1=I0+ △ I；
Wherein, △ I is electric current adjusted value, and I0 is the minimum charge current of charging IC, and I1 is the target charge current after adjustment.
2. a kind of mobile terminal self adaptation different capacity according to claim 1 charging method it is characterised in that：Described
Safe voltage refer to charger output voltage be minimum of a value when, this charger can be known by the charging IC of described mobile terminal
The magnitude of voltage of this charging IC when other.
3. a kind of mobile terminal self adaptation different capacity according to claim 1 charging method it is characterised in that：Described
Line impedance include the mainboard line impedance of described mobile terminal and charging USB line roadlock resists.
4. a kind of mobile terminal self adaptation different capacity according to claim 1 charging method it is characterised in that：Described
Step 10 in setting safe voltage be 4.55V, minimum charge current be 300mA.
5. a kind of mobile terminal self adaptation different capacity according to claim 1 charging method it is characterised in that：Described
Step 30 in read the stable output voltage of described charger, be once to be charged by reading in predetermined time interval
The output voltage of device, and calculate the mean value of output voltage, the as stable output electricity of charger after continuously reading repeatedly again
Pressure.
6. a kind of mobile terminal self adaptation different capacity according to claim 1 charging method it is characterised in that：Described
Step 40 in allowed electric current adjusted value is calculated according to described voltage difference, a threshold is preset to described voltage difference
Value, if voltage difference is more than this threshold value, is adjusted charging current, if voltage difference is less than or equal to this threshold value, does not carry out
Adjustment charging current.
7. a kind of mobile terminal self adaptation different capacity according to claim 1 charging method it is characterised in that：Described
Charger output voltage be less than charging IC safe voltage when, then be not adjusted charging current.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410330522.8A CN104113114B (en) | 2014-08-21 | 2014-08-21 | Mobile terminal different power self-adaptive charging method |
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| CN201410330522.8A CN104113114B (en) | 2014-08-21 | 2014-08-21 | Mobile terminal different power self-adaptive charging method |
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| CN104113114B true CN104113114B (en) | 2017-02-22 |
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105790346A (en) * | 2014-12-26 | 2016-07-20 | 中兴通讯股份有限公司 | Multi-power charger and multi-power charging method |
| CN105280970B (en) * | 2015-03-25 | 2018-04-20 | 维沃移动通信有限公司 | The charging method and mobile terminal of a kind of mobile terminal |
| CN105826959B (en) * | 2015-05-18 | 2018-08-17 | 维沃移动通信有限公司 | A kind of method, device and mobile terminal of charging |
| CN105006853B (en) * | 2015-06-03 | 2017-06-23 | 广东欧珀移动通信有限公司 | A kind of method and power amplifier for exporting charging current |
| CN106329593A (en) * | 2015-06-30 | 2017-01-11 | 北京壹人壹本信息科技有限公司 | Charging method and device adaptive to chargers with different power |
| CN105119335B (en) * | 2015-09-01 | 2017-04-19 | 捷开通讯科技(上海)有限公司 | charging control method |
| CN105337353B (en) * | 2015-11-04 | 2018-03-27 | 厦门美图移动科技有限公司 | A kind of charger for mobile phone and its safety certifying method and system |
| CN106129501B (en) * | 2016-06-29 | 2019-05-03 | 珠海市魅族科技有限公司 | A kind of method and device of terminal charge |
| CN106208297B (en) * | 2016-08-31 | 2021-01-08 | 维沃移动通信有限公司 | Charging circuit, method for controlling charging of charging circuit and mobile terminal |
| CN113574762A (en) * | 2019-05-07 | 2021-10-29 | Oppo广东移动通信有限公司 | Charging current control method, electronic device and power supply device |
| CN112350393B (en) * | 2020-06-28 | 2021-11-02 | 中兴通讯股份有限公司 | Charging method, terminal and storage medium |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR100459793B1 (en) * | 2001-12-19 | 2004-12-04 | 에스케이텔레텍주식회사 | Battery charger of mobile phone using constant voltage and pulse, and high speed charge method for the same |
| CN101924383B (en) * | 2010-08-17 | 2014-03-19 | 惠州Tcl移动通信有限公司 | Mobile terminal of automatically setting charging current and implementation method thereof |
| CN103001290A (en) * | 2012-11-28 | 2013-03-27 | 惠州Tcl移动通信有限公司 | Self-adaption charging circuit and corresponding mobile terminal |
| EP2767842B1 (en) * | 2013-02-14 | 2015-04-08 | ST-Ericsson SA | State of charge estimation based on battery discharge model |
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Effective date of registration: 20240422 Address after: No. 588 Chengdu Road, Economic Development Zone, Rizhao City, Shandong Province, 276800 Patentee after: Rizhao Shangwei New Energy Co.,Ltd. Country or region after: China Address before: Room N202, Torch Building, Torch Road, Torch Park, Torch Hi tech Zone, Xiamen, Fujian, 361008 Patentee before: Xiamen Meitu Mobile Technology Co.,Ltd. Country or region before: China |