CN102185168A - Charging system and charging method thereof - Google Patents
Charging system and charging method thereof Download PDFInfo
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- CN102185168A CN102185168A CN2011100791199A CN201110079119A CN102185168A CN 102185168 A CN102185168 A CN 102185168A CN 2011100791199 A CN2011100791199 A CN 2011100791199A CN 201110079119 A CN201110079119 A CN 201110079119A CN 102185168 A CN102185168 A CN 102185168A
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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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The invention provides a charging method of a charging system, which comprises the following steps of: inserting a charger, and then detecting the charging current of the charging system; comparing the charging current with a preset current threshold value so as to identify the rated current of the charger; and adjusting the charging current to the rated current of the charger. The invention also provides the charging system. Therefore, for the charging system and the charging method thereof, by identifying different types of chargers, the charging current of the charging system can be adjusted automatically to ensure that a mobile terminal can be compatible with different types of chargers for charging.
Description
Technical field
The present invention relates to the battery boosting technology field, particularly relate to the charging method of a kind of charging system and this charging system.
Background technology
Along with development of science and technology, mobile phone has spread among the various crowds as a kind of electronic product of fast sale.The charger that matches with mobile phone is indispensable as a part of Cellphone Accessories.Dissimilar chargers, the electric current difference of its output.Mobile phone of the prior art uses lithium battery power supply, and the electric current of charge circuit is constant when lithium cell charging, can only use the charger of rated current design in the battery charge scope to charge.When the charger that uses rated current less than charging current charges, make that the output voltage of charger is low excessively, can't charge normal, cause mobile phone of the prior art can only use the charger of same type to charge.
Therefore, need provide a kind of charging system, to solve the problem that mobile phone can only use the charger of same type to charge in the prior art.
Summary of the invention
The technical problem that the present invention mainly solves provides a kind of charging system and charging method thereof, can discern dissimilar chargers, and then adjusts the charging current of charging system automatically, makes portable terminal to charge by compatible dissimilar charger.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: a kind of charging method of charging system is provided, may further comprise the steps: after a. charger inserts, detect the charging current of charging system; B. charging current and the current threshold of presetting are compared, with the rated current of identification charger; C. charging current is adjusted into the rated current of charger.
According to one preferred embodiment of the present invention, further comprise step: according to the charger type that charging system can be discerned, the number of corresponding predetermined current threshold value.
According to one preferred embodiment of the present invention, be preset with first current threshold, second current threshold and the 3rd current threshold, and first current threshold＞second current threshold＞the 3rd current threshold.
According to one preferred embodiment of the present invention, the charging system lowest high-current value that allows to pass through is set at 1.1 times of first current threshold.
According to one preferred embodiment of the present invention, in step b, more than or equal to first current threshold, the rated current of then discerning charger is first current threshold as if charging current.
According to one preferred embodiment of the present invention, in step b, more than or equal to second current threshold and less than first current threshold, the rated current of then discerning charger is second current threshold as if charging current.
According to one preferred embodiment of the present invention, in step b, more than or equal to the 3rd current threshold and less than second current threshold, the rated current of then discerning charger is the 3rd current threshold as if charging current.
For solving the problems of the technologies described above, another technical solution used in the present invention is: a kind of charging system is provided, comprises: detecting unit; Power management chip is electrically connected with detecting unit, and after charger inserted, power management chip utilized detecting unit to detect the charging current of charging system, charging current and the current threshold of presetting is compared, with the rated current of identification charger; Switching tube is electrically connected with power management chip and detecting unit respectively, and power management chip is adjusted into charging current by switching tube the rated current of charger.
According to one preferred embodiment of the present invention, detecting unit is for detecting resistance, and switching tube is a triode, and first end of triode connects charger, the second end joint detection resistance of triode, and power management chip connects the 3rd end of triode.
According to one preferred embodiment of the present invention, first end of triode is an emitter, and second end of triode is a collector electrode, and the 3rd end of triode is a base stage.
The invention has the beneficial effects as follows: the situation that is different from prior art, charging system of the present invention and charging method thereof are by the dissimilar charger of identification, and then adjust the charging current of charging system automatically, make portable terminal to charge by compatible dissimilar charger.
Description of drawings
Fig. 1 is the flow chart of a preferred embodiment of the charging method of charging system of the present invention;
Fig. 2 is the circuit diagram of a preferred embodiment of charging system of the present invention.
Embodiment
See also Fig. 1, Fig. 1 is the flow chart of a preferred embodiment of the charging method of charging system of the present invention.As shown in Figure 1, the charging method of charging system of the present invention may further comprise the steps:
Step 101: after charger inserts, detect the charging current of charging system;
Step 102: charging current and the current threshold of presetting are compared, with the rated current of identification charger;
Step 103: the rated current that charging current is adjusted into charger.
Wherein, step 102 further comprises: according to the charger type that charging system can be discerned, and the number of corresponding predetermined current threshold values.In the present embodiment, the charger that can discern 500mA commonly used, 800mA, these three kinds of output-current ratings of 1000mA with charging system is the example explanation, and the charger of all the other types is as long as do suitable interpolation.Particularly, in the present embodiment, current threshold is preset with first current threshold, second current threshold and the 3rd current threshold, and first current threshold＞second current threshold＞the 3rd current threshold.Wherein, the charger output current of the corresponding maximum rated output of first current threshold, that is: 1000mA; Correspondingly, second current threshold is 800mA, and the 3rd current threshold is 500mA.
Detected charging current of step 101 and default current threshold are compared,, and the maximum current that charging system allows to pass through is set at 1.1 times of first current threshold from maximum rated output current, and:
1) in step 102, when relatively drawing detected charging current more than or equal to first current threshold, the rated current of judging the charger that is inserted is first current threshold, then in step 103 subsequently, the size of the charging current of corresponding adjustment charging system, the charging current of control charging system is first current threshold;
2) in step 102, when relatively drawing detected charging current more than or equal to second current threshold and less than first current threshold, the rated current of judging the charger that is inserted is second current threshold, then in step 103 subsequently, the size of the charging current of corresponding adjustment charging system, the charging current of control charging system is second current threshold;
3) in step 102, when relatively drawing detected charging current more than or equal to the 3rd current threshold and less than second current threshold, the rated current of judging the charger that is inserted is the 3rd current threshold, then in step 103 subsequently, the size of the charging current of corresponding adjustment charging system, the charging current of control charging system is the 3rd current threshold.
See also Fig. 2, Fig. 2 is the circuit diagram of a preferred embodiment of charging system of the present invention.As shown in Figure 2, charging system of the present invention is applicable to portable terminal, and this charging system comprises: charger 201, power management chip 202, battery 203, detecting unit 204 and switching tube 205.
Switching tube 205 is electrically connected with power management chip 202 and detecting unit 204 respectively, and power management chip 202 is adjusted into charging current by switching tube 205 rated current of charger 201.
Particularly, detecting unit 204 is for detecting resistance R 1, and switching tube 205 is triode Q1, and first end of triode Q1 connects charger 201, the input of the second end joint detection resistance R 1 of triode Q1, and the 3rd end of triode Q1 connects power management chip 202.The output that detects resistance R 1 connects battery 203.The input and the output of power management chip 202 joint detection resistance R 1 calculate charging current by the both end voltage difference that detects resistance R 1, and charging current and the current threshold of presetting are compared, and draw the rated current of charger 201.In addition, charging current is controlled and adjusted to power management chip 202 by the conducting degree of control triode Q1, and making charging current is the rated current of charger 201.In a preferred embodiment, triode Q1 is the PNP triode, and wherein first end of triode Q1 is an emitter, and second end of triode Q1 is a collector electrode, and the 3rd end of triode Q1 is a base stage.
Detailed, power management chip 202 inside can comprise judging unit (figure does not show), control unit (figure does not show), memory cell (figure does not show).Wherein, judging unit is used for charging current is compared with the predetermined current threshold values, and judges the rated current of charger 201 according to result relatively.Control unit provides different charging currents according to the rated current of charger 201 is corresponding.Memory cell is used to store the predetermined current threshold values.Wherein, the number of the corresponding predetermined current threshold values of the charger type that can discern according to charging system.In the present embodiment, default first current threshold, second current threshold and the 3rd current threshold, wherein, first current threshold＞second current threshold＞the 3rd current threshold, and this charging system maximum current of allowing to pass through is set at 1.1 times of first current threshold.
In charging system of the present invention:
1) when power management chip 202 relatively draws charging current more than or equal to first current threshold, the rated current of then judging the charger 201 that is inserted is first current threshold, power management chip 202 control charging currents are first current threshold, that is: the conductive channel of power management chip 202 control triode Q1 allows the charging current by the first current threshold size;
2) when power management chip 202 relatively draws charging current more than or equal to second current threshold and less than first current threshold, the rated current of then judging the charger 201 that is inserted is second current threshold, power management chip 202 control charging currents are second current threshold, that is: the conductive channel of power management chip 202 control triode Q1 allows the charging current by the second current threshold size;
3) when power management chip 202 relatively draws charging current more than or equal to the 3rd current threshold and less than second current threshold, the rated current of then judging the charger 201 that is inserted is the 3rd current threshold, power management chip 202 control charging currents are the 3rd current threshold, that is: the conductive channel of power management chip 202 control triode Q1 allows the charging current by the 3rd current threshold size.
It should be noted that portable terminal specifically can be mobile phone, net book etc.In other embodiments, current threshold not only is three kinds of current thresholds, and the current threshold of other numbers can be set according to the charger type that charging system can be discerned.In addition, those skilled in the art fully can be by being provided with other switching tubes to reach the purpose of control charging current.
By the way, charging system of the present invention and charging method thereof are passed through the dissimilar charger of identification, and then adjust the charging current of charging system automatically, make portable terminal to charge by compatible dissimilar charger.
The above only is embodiments of the invention; be not so limit claim of the present invention; every equivalent structure or equivalent flow process conversion that utilizes specification of the present invention and accompanying drawing content to be done; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (10)
1. the charging method of a charging system is characterized in that, may further comprise the steps:
A. after charger inserts, detect the charging current of described charging system;
B. described charging current and the current threshold of presetting are compared, to discern the rated current of described charger;
C. described charging current is adjusted into the rated current of described charger.
2. charging method according to claim 1 is characterized in that, further comprises step: according to the charger type that described charging system can be discerned, the number of corresponding default described current threshold.
3. charging method according to claim 1 and 2 is characterized in that, is preset with first current threshold, second current threshold and the 3rd current threshold, and described first current threshold＞described second current threshold＞described the 3rd current threshold.
4. charging method according to claim 3 is characterized in that, the lowest high-current value that described charging system permission is passed through is set at 1.1 times of described first current threshold.
5. charging method according to claim 4 is characterized in that, in step b, more than or equal to described first current threshold, the rated current of then discerning described charger is described first current threshold as if described charging current.
6. charging method according to claim 4, it is characterized in that, in step b, more than or equal to described second current threshold and less than described first current threshold, the rated current of then discerning described charger is described second current threshold as if described charging current.
7. charging method according to claim 4, it is characterized in that, in step b, more than or equal to described the 3rd current threshold and less than described second current threshold, the rated current of then discerning described charger is described the 3rd current threshold as if described charging current.
8. a charging system is characterized in that, comprising:
Detecting unit;
Power management chip, be electrically connected with described detecting unit, after charger inserted, described power management chip utilized described detecting unit to detect the charging current of described charging system, described charging current and the current threshold of presetting are compared, to discern the rated current of described charger;
Switching tube is electrically connected with described power management chip and described detecting unit respectively, and described power management chip is adjusted into described charging current by described switching tube the rated current of described charger.
9. charging system according to claim 8, it is characterized in that, described detecting unit is for detecting resistance, described switching tube is a triode, first end of described triode connects described charger, second end of described triode connects described detection resistance, and described power management chip connects the 3rd end of described triode.
10. charging system according to claim 9 is characterized in that, first end of described triode is an emitter, and second end of described triode is a collector electrode, and the 3rd end of described triode is a base stage.
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| CN2011100791199A CN102185168A (en) | 2011-03-30 | 2011-03-30 | Charging system and charging method thereof |
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| CN2011100791199A CN102185168A (en) | 2011-03-30 | 2011-03-30 | Charging system and charging method thereof |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102709970A (en) * | 2012-05-23 | 2012-10-03 | 中兴通讯股份有限公司 | Charging circuit and control method and control device thereof |
| CN103368210A (en) * | 2012-03-27 | 2013-10-23 | 国基电子（上海）有限公司 | Mobile device and charging method thereof |
| CN103475065A (en) * | 2013-09-27 | 2013-12-25 | 深圳天珑无线科技有限公司 | Intelligent charging method and system |
| CN103580085A (en) * | 2012-08-09 | 2014-02-12 | 惠州市尚联达电子有限公司 | Mobile power supply with output currents capable of being automatically adjusted and charging method for loads |
| CN103812146A (en) * | 2012-11-08 | 2014-05-21 | 福兴达科技实业（深圳）有限公司 | Mobile device and charging method thereof |
| CN104242365A (en) * | 2013-06-19 | 2014-12-24 | 深圳富泰宏精密工业有限公司 | Portable electronic device and use method |
| CN104319836A (en) * | 2014-10-16 | 2015-01-28 | 许继电气股份有限公司 | Intelligent power distribution method and intelligent power distribution cabinet for implementing method |
| CN104539001A (en) * | 2014-12-05 | 2015-04-22 | 深圳天珑无线科技有限公司 | Mobile terminal and compatible identification method of charging device of mobile terminal |
| WO2015154418A1 (en) * | 2014-09-15 | 2015-10-15 | 中兴通讯股份有限公司 | Charging method and device |
| WO2015184923A1 (en) * | 2015-01-15 | 2015-12-10 | 中兴通讯股份有限公司 | Charging control method, terminal and charger |
| CN105356529A (en) * | 2015-10-23 | 2016-02-24 | 小米科技有限责任公司 | Prompting method and apparatus for rapid charging state |
| CN105743178A (en) * | 2016-04-14 | 2016-07-06 | 惠州Tcl移动通信有限公司 | Combined mobile power supply |
| CN106229996A (en) * | 2016-08-16 | 2016-12-14 | 株洲变流技术国家工程研究中心有限公司 | A kind of system realizing the operation of SVG device multi-machine parallel connection and control method thereof |
| CN106655343A (en) * | 2016-11-18 | 2017-05-10 | 青岛海信移动通信技术股份有限公司 | Charging method and device of mobile terminal |
| CN109378873A (en) * | 2018-11-02 | 2019-02-22 | 上海芯凌微电子有限公司 | A kind of batter-charghing system and charging method |
| WO2019061139A1 (en) * | 2017-09-28 | 2019-04-04 | 深圳传音通讯有限公司 | Short circuit protection method and apparatus |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201039411Y (en) * | 2007-05-18 | 2008-03-19 | 龙旗科技(上海)有限公司 | A mobile phone with self-adapted charging device |
| CN101924383A (en) * | 2010-08-17 | 2010-12-22 | 惠州Tcl移动通信有限公司 | Mobile terminal of automatically setting charging current and implementation method thereof |
-
2011
- 2011-03-30 CN CN2011100791199A patent/CN102185168A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201039411Y (en) * | 2007-05-18 | 2008-03-19 | 龙旗科技(上海)有限公司 | A mobile phone with self-adapted charging device |
| CN101924383A (en) * | 2010-08-17 | 2010-12-22 | 惠州Tcl移动通信有限公司 | Mobile terminal of automatically setting charging current and implementation method thereof |
Cited By (28)
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| CN103368210A (en) * | 2012-03-27 | 2013-10-23 | 国基电子（上海）有限公司 | Mobile device and charging method thereof |
| TWI462426B (en) * | 2012-03-27 | 2014-11-21 | Hon Hai Prec Ind Co Ltd | Mobile device and method of charging |
| CN102709970A (en) * | 2012-05-23 | 2012-10-03 | 中兴通讯股份有限公司 | Charging circuit and control method and control device thereof |
| US9509150B2 (en) | 2012-05-23 | 2016-11-29 | Zte Corporation | Charging circuit and control method therefor |
| CN102709970B (en) * | 2012-05-23 | 2015-09-16 | 中兴通讯股份有限公司 | Charging circuit and control method thereof and device |
| CN103580085A (en) * | 2012-08-09 | 2014-02-12 | 惠州市尚联达电子有限公司 | Mobile power supply with output currents capable of being automatically adjusted and charging method for loads |
| CN103812146A (en) * | 2012-11-08 | 2014-05-21 | 福兴达科技实业（深圳）有限公司 | Mobile device and charging method thereof |
| CN104242365A (en) * | 2013-06-19 | 2014-12-24 | 深圳富泰宏精密工业有限公司 | Portable electronic device and use method |
| CN104242365B (en) * | 2013-06-19 | 2019-01-04 | 深圳富泰宏精密工业有限公司 | Portable electronic device and application method |
| CN103475065B (en) * | 2013-09-27 | 2015-08-12 | 深圳天珑无线科技有限公司 | Intelligent charging method and system |
| CN103475065A (en) * | 2013-09-27 | 2013-12-25 | 深圳天珑无线科技有限公司 | Intelligent charging method and system |
| CN105449729A (en) * | 2014-09-15 | 2016-03-30 | 中兴通讯股份有限公司 | Charging method and device |
| WO2015154418A1 (en) * | 2014-09-15 | 2015-10-15 | 中兴通讯股份有限公司 | Charging method and device |
| CN104319836A (en) * | 2014-10-16 | 2015-01-28 | 许继电气股份有限公司 | Intelligent power distribution method and intelligent power distribution cabinet for implementing method |
| CN104319836B (en) * | 2014-10-16 | 2017-02-15 | 许继电气股份有限公司 | Intelligent power distribution method and intelligent power distribution cabinet for implementing method |
| CN104539001A (en) * | 2014-12-05 | 2015-04-22 | 深圳天珑无线科技有限公司 | Mobile terminal and compatible identification method of charging device of mobile terminal |
| CN105846484A (en) * | 2015-01-15 | 2016-08-10 | 中兴通讯股份有限公司 | Charging control method, terminal, and charger |
| WO2015184923A1 (en) * | 2015-01-15 | 2015-12-10 | 中兴通讯股份有限公司 | Charging control method, terminal and charger |
| CN105356529B (en) * | 2015-10-23 | 2018-09-18 | 小米科技有限责任公司 | The reminding method and device of quick-charge state |
| CN105356529A (en) * | 2015-10-23 | 2016-02-24 | 小米科技有限责任公司 | Prompting method and apparatus for rapid charging state |
| CN105743178A (en) * | 2016-04-14 | 2016-07-06 | 惠州Tcl移动通信有限公司 | Combined mobile power supply |
| CN106229996B (en) * | 2016-08-16 | 2019-01-22 | 株洲变流技术国家工程研究中心有限公司 | A kind of system and its control method for realizing the operation of SVG device multi-machine parallel connection |
| CN106229996A (en) * | 2016-08-16 | 2016-12-14 | 株洲变流技术国家工程研究中心有限公司 | A kind of system realizing the operation of SVG device multi-machine parallel connection and control method thereof |
| CN106655343A (en) * | 2016-11-18 | 2017-05-10 | 青岛海信移动通信技术股份有限公司 | Charging method and device of mobile terminal |
| CN106655343B (en) * | 2016-11-18 | 2019-07-05 | 青岛海信移动通信技术股份有限公司 | A kind of charging method and device of mobile terminal |
| WO2019061139A1 (en) * | 2017-09-28 | 2019-04-04 | 深圳传音通讯有限公司 | Short circuit protection method and apparatus |
| CN109378873A (en) * | 2018-11-02 | 2019-02-22 | 上海芯凌微电子有限公司 | A kind of batter-charghing system and charging method |
| CN109378873B (en) * | 2018-11-02 | 2022-05-31 | 上海芯凌微电子有限公司 | Battery charging system and charging method |
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Application publication date: 20110914 |