CN103236568B - Charging method and charging system - Google Patents
Charging method and charging system Download PDFInfo
- Publication number
- CN103236568B CN103236568B CN201310159380.9A CN201310159380A CN103236568B CN 103236568 B CN103236568 B CN 103236568B CN 201310159380 A CN201310159380 A CN 201310159380A CN 103236568 B CN103236568 B CN 103236568B
- Authority
- CN
- China
- Prior art keywords
- control signal
- charger
- mobile terminal
- charging
- charging current
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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 kind of charging method and charging system, described charging method comprises step: mobile terminal detects charging current and cell voltage; Described mobile terminal, according to the charging current detected and cell voltage, sends corresponding control signal to charger; Described charger controls output voltage according to corresponding control signal, and then adjustable charging current.Thus best charging current can be matched according to current cell voltage, charge efficiency is maximized, achieves charging rapidly and efficiently.Directly control output voltage to adjust the size of charging current by charger, the loss of electric energy can not be caused to cause charging heating, improve charging security, decrease energy waste.
Description
Technical field
The present invention relates to electronic technology field, especially relate to a kind of charging method and charging system.
Background technology
The function of mobile terminal is become stronger day by day, its display screen is also increasing, thus Consumer's Experience is greatly improved, user carries out basic call except utilizing mobile terminal, be more carry out work, amusement on mobile terminals, surf the web, therefore use day by day frequent, cause mobile terminal power consumption large, therefore its battery capacity is increasing, charges more and more frequent.How to mobile terminal charging rapidly and efficiently, it is the current problem needing solution badly.
To in the battery charging process of mobile terminal, each charging stage, its optimal charge electric current is different, and this optimal charge electric current to quickly charging battery, can improve charge efficiency.Therefore need in charging process to adjust charging current in real time, make it can realize optimal charge current charges in each charging stage, improve charge efficiency.
In existing charging method, charger its output voltage in charging process remains unchanged, and is adjusted charging current by mobile terminal inside, to realize optimum current charging.Such as a kind of linear charge mode, AC/DC converting unit (the AlternatingCurrent/DirectCurrent converting unit of charger, i.e. ac/dc converting unit) alternating current is converted to direct current, and charge to the 5V voltage of mobile terminal delivered constant, the central processing unit of mobile terminal detects charging current and cell voltage, control the conducting internal resistance of the transistor of mobile terminal according to the charging current detected and cell voltage, regulate charging current with this.This charging modes, regulated charging current by mobile terminal inside, charge efficiency is very low, and transistor generates heat seriously when big current works, and affects the fail safe of mobile terminal on the one hand, causes the waste of the energy on the other hand.
Summary of the invention
Main purpose of the present invention is to provide a kind of charging method and charging system, is intended to the charging realized rapidly and efficiently.
To achieve these objectives, the present invention proposes a kind of charging method, comprises step:
Mobile terminal detects charging current and cell voltage;
Described mobile terminal, according to the charging current detected and cell voltage, sends corresponding control signal to charger;
Described charger controls output voltage according to corresponding control signal.
Preferably, described mobile terminal sends corresponding control signal according to the charging current detected and cell voltage to charger and comprises:
Described mobile terminal judges the size of predetermined threshold value corresponding to described cell voltage and described charging current;
If described predetermined threshold value is greater than described charging current, then described mobile terminal sends the first control signal to charger;
If described predetermined threshold value is less than described charging current, then described mobile terminal sends the second control signal to charger.
Preferably, described charger comprises according to corresponding control signal control output voltage:
If described charger receives described first control signal, then according to this first control signal boosted output voltages;
If described charger receives described second control signal, then reduce output voltage according to this second control signal.
Preferably, described mobile terminal also comprises while judging the step of the size of predetermined threshold value corresponding to described cell voltage and described charging current:
Described mobile terminal judges whether described cell voltage reaches rated voltage;
If described cell voltage reaches rated voltage, then described mobile terminal sends the 3rd control signal to charger.
Preferably, described charger comprises according to corresponding control signal control output voltage:
If described charger receives described 3rd control signal, then stop output voltage according to described 3rd control signal.
Preferably, described control signal is the zero current pulse sending preset times in Preset Time.
The present invention proposes a kind of charging system simultaneously, comprises mobile terminal and charger, wherein:
Mobile terminal, for detecting charging current and cell voltage, and sends corresponding control signal according to the charging current detected and cell voltage to described charger;
Charger, for receiving the control signal of described mobile terminal, and controls its output voltage exported to described mobile terminal according to corresponding control signal.
Preferably, described mobile terminal comprises central processing unit, battery and transistor, and described charger comprises control unit and AC/DC converting unit, wherein:
Central processing unit, for detecting charging current and cell voltage, and controls described transistor according to the charging current detected and cell voltage and sends corresponding control signal to described control unit;
Control unit, for receiving described control signal, and controls the output voltage of described AC/DC converting unit according to corresponding control signal;
AC/DC converting unit, for being electrically connected by battery described in described transistor AND gate, to charge to described battery.
Preferably, described central processing unit is for judging the size of predetermined threshold value corresponding to described cell voltage and described charging current;
If described predetermined threshold value is greater than described charging current, then described central processing unit controls described transistor and sends the first control signal to described control unit, and described control unit raises the output voltage of described AC/DC converting unit according to described first control signal;
If described predetermined threshold value is less than described charging current, then described central processing unit controls described transistor and sends the second control signal to described control unit, and described control unit reduces the output voltage of described AC/DC converting unit according to described second control signal.
Preferably, described central processing unit is also for judging whether described cell voltage reaches rated voltage; If described cell voltage reaches rated voltage, then described central processing unit controls described transistor and sends the 3rd control signal to described control unit, and described control unit controls described AC/DC converting unit according to described 3rd control signal and stops output voltage.
A kind of charging method provided by the present invention, can be communicated by the communication protocol preset between mobile terminal with charger, wherein mobile terminal is by detecting charging current and cell voltage, and send corresponding control signal according to the charging current detected and cell voltage to charger, charger then controls output voltage according to corresponding control signal, and then adjustable charging current, thus best charging current can be matched according to current cell voltage, charge efficiency is maximized, achieves charging rapidly and efficiently.Directly control output voltage to adjust the size of charging current by charger, the loss of electric energy can not be caused to cause charging heating, improve charging security, decrease energy waste.
Accompanying drawing explanation
Fig. 1 is the flow chart of charging method first embodiment of the present invention;
Fig. 2 is the oscillogram of the first control signal in charging method of the present invention;
Fig. 3 is the oscillogram of the second control signal in charging method of the present invention;
Fig. 4 is the oscillogram of the 3rd control signal in charging method of the present invention;
Fig. 5 is the flow chart of charging method second embodiment of the present invention;
Fig. 6 is the structural representation that Charging of the present invention unifies embodiment;
Fig. 7 is the structural representation of another embodiment of charging system of the present invention.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
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.
See Fig. 1, propose charging method first embodiment of the present invention, described charging method comprises the following steps:
Step S101, mobile terminal detect charging current and cell voltage.
After mobile terminal and charger are electrically connected, charger then charges to mobile terminal, and in charging process, mobile terminal detects charging current and cell voltage in real time.
Step S102, mobile terminal judge whether the predetermined threshold value corresponding to cell voltage is greater than charging current.
Along with the battery of charger to mobile terminal charges, cell voltage raises gradually, and along with the rising of cell voltage, the charging current of its best is also in change.The i.e. battery voltage value of each range section, the optimal charge current value of its correspondence is different, in order to improve charge efficiency, needs to adjust charging current accordingly according to cell voltage.Therefore, each charging stage, have the predetermined threshold value of corresponding optimal charge electric current, the predetermined threshold value of each battery is different.Mobile terminal, then according to the charging current that detects and cell voltage, judges the size of predetermined threshold value corresponding to current cell voltage and current charging current, sends corresponding control signal according to judged result to charger.If judged result is predetermined threshold value be greater than charging current, then enter step S103; If judged result is predetermined threshold value be less than charging current, then enter step S105.
Step S103, mobile terminal send the first control signal to charger.
The mobile terminal of the present embodiment is communicated by the communication protocol preset with between charger.Mobile terminal, according to the charging current detected and cell voltage, sends corresponding control signal to charger, and described control signal is the zero current pulse sending preset times in Preset Time.Be the oscillogram of three kinds of control signals in the communication protocol in the present invention of exemplifying between mobile terminal and charger as shown in figs 2-4, wherein abscissa is time t, ordinate is electric current I, Preset Time is 100ms, preset times can be for 1 time or repeatedly, when in 100ms, transmission 1 zero current pulse is then the first control signal (as shown in Figure 2), be then the second control signal (as shown in Figure 3) when sending 2 zero current pulses in 100ms, the rest may be inferred.Wherein mobile terminal sends zero current pulse to charger, that the disconnection controlling the transistor of mobile terminal by the central processing unit of mobile terminal realizes, namely central processing unit disconnects preset times at Preset Time internal control transistor, thus realize the zero current pulse sending preset times in Preset Time to charger, form corresponding control signal.
In this step S103, mobile terminal judges that predetermined threshold value is greater than charging current, then send the first control signal continuously to charger, as shown in Figure 2, in 100ms, sends 1 zero current pulse to charger.
Step S104, charger are according to the first control signal boosted output voltages.
After charger receives the first control signal that mobile terminal sends, according to the communication protocol preset, boosted output voltages, increases to make charging current.Charger often receives first control signal, with regard to corresponding boosted output voltages unit, until charging current is equal with predetermined threshold value, mobile terminal just stops transmission first control signal, charger then tops out output voltage, keep current optimal charge electric current, charge efficiency is maximized.
Step S105, mobile terminal send the second control signal to charger.
Mobile terminal judges that predetermined threshold value is greater than charging current, then send the second control signal continuously to charger, as shown in Figure 3, in 100ms, sends 2 zero current pulses to charger.
Step S106, charger reduce output voltage according to the second control signal.
After charger receives the second control signal that mobile terminal sends, according to the communication protocol preset, reduce output voltage, reduce to make charging current.Charger often receives second control signal, just corresponding reduction output voltage unit, until charging current is equal with predetermined threshold value, mobile terminal just stops transmission second control signal, charger then stops reducing output voltage, keep current optimal charge electric current, charge efficiency is maximized.
Accordingly, the charging method of the present embodiment, can be communicated by the communication protocol preset between mobile terminal with charger, wherein mobile terminal is by detecting charging current and cell voltage, and send corresponding control signal according to the charging current detected and cell voltage to charger, charger then controls output voltage according to corresponding control signal, and then adjustable charging current, thus best charging current can be matched according to current cell voltage, charge efficiency is maximized, achieves charging rapidly and efficiently.Directly control output voltage to adjust the size of charging current by charger, the loss of electric energy can not be caused to cause charging heating, improve fail safe, decrease energy waste.
See Fig. 5, propose charging method second embodiment of the present invention, described charging method comprises the following steps:
Step S201, mobile terminal detect charging current and cell voltage.
After mobile terminal and charger are electrically connected, charger then charges to mobile terminal, and in charging process, mobile terminal detects charging current and cell voltage in real time.
Step S202, mobile terminal judge whether the predetermined threshold value corresponding to cell voltage is greater than charging current.
Along with the battery of charger to mobile terminal charges, cell voltage raises gradually, and along with the rising of cell voltage, the charging current of its best is also in change.The i.e. battery voltage value of each range section, the optimal charge current value of its correspondence is different, in order to improve charge efficiency, needs to adjust charging current accordingly according to cell voltage.Therefore, each charging stage, have the predetermined threshold value of corresponding optimal charge electric current, the predetermined threshold value of each battery is different.Mobile terminal, then according to the charging current that detects and cell voltage, judges the size of predetermined threshold value corresponding to current cell voltage and current charging current, sends corresponding control signal according to judged result to charger.If judged result is predetermined threshold value be greater than charging current, then enter step S203; If judged result is predetermined threshold value be less than charging current, then enter step S205.
Step S203, mobile terminal send the first control signal to charger.
The mobile terminal of the present embodiment is communicated by the communication protocol preset with between charger.Mobile terminal, according to the charging current detected and cell voltage, sends corresponding control signal to charger, and described control signal is the zero current pulse sending preset times in Preset Time.Be the oscillogram of three kinds of control signals in the communication protocol between the mobile terminal of the present invention that exemplifies and charger as shown in figs 2-4, wherein abscissa is time t, ordinate is electric current I, Preset Time is 100ms, preset times can be for 1 time or repeatedly, when in 100ms, transmission 1 zero current pulse is then the first control signal (as shown in Figure 2), when in 100ms, transmission 2 zero current pulses are then the second control signal (as shown in Figure 3), be then the 3rd control signal (as shown in Figure 4) when sending 3 zero current pulses in 100ms.Wherein mobile terminal sends zero current pulse to charger, that the disconnection controlling the transistor of mobile terminal by the central processing unit of mobile terminal realizes, namely central processing unit disconnects preset times at Preset Time internal control transistor, thus realize the zero current pulse sending preset times in Preset Time to charger, form corresponding control signal.
In this step S203, mobile terminal judges that predetermined threshold value is greater than charging current, then send the first control signal continuously to charger, as shown in Figure 2, in 100ms, sends 1 zero current pulse to charger.
Step S204, charger are according to the first control signal boosted output voltages.
After charger receives the first control signal that mobile terminal sends, according to the communication protocol preset, boosted output voltages, increases to make charging current.Charger often receives first control signal, with regard to corresponding boosted output voltages unit, until charging current is equal with predetermined threshold value, mobile terminal just stops transmission first control signal, charger then tops out output voltage, keep current optimal charge electric current, charge efficiency is maximized.
Step S205, mobile terminal send the second control signal to charger.
Mobile terminal judges that predetermined threshold value is greater than charging current, then send the second control signal continuously to charger, as shown in Figure 3, in 100ms, sends 2 zero current pulses to charger.
Step S206, charger reduce output voltage according to the second control signal.
After charger receives the second control signal that mobile terminal sends, according to the communication protocol preset, reduce output voltage, reduce to make charging current.Charger often receives second control signal, just corresponding reduction output voltage unit, until charging current is equal with predetermined threshold value, mobile terminal just stops transmission second control signal, charger then stops reducing output voltage, keep current optimal charge electric current, charge efficiency is maximized.
Step S207, mobile terminal judge whether cell voltage reaches rated voltage.
The charging method of the present embodiment is while carrying out step S202, and mobile terminal also can judge whether cell voltage reaches the rated voltage of battery.If described cell voltage does not also reach rated voltage, illustrate that battery is not also full of, mobile terminal then ignores judged result, returns step S202, proceeds charging flow; If described cell voltage reaches rated voltage, illustrate that battery is full of, then enter step S208.
Step S208, mobile terminal send the 3rd control signal to charger.
Mobile terminal sends the 3rd control signal to charger, as shown in Figure 4, in 100ms, sends 3 zero current pulses to charger.
Step S209, charger stop output voltage according to the 3rd control signal.
After charger receives the 3rd control signal that mobile terminal sends, according to the communication protocol preset, stop to mobile terminal output voltage, charging flow terminates, thus can over-charging of battery be prevented and make the infringement of battery pair, further increase fail safe, extend battery.Meanwhile, the central processing unit of mobile terminal also controls transistor disconnection.
See Fig. 6, Fig. 7, propose charging system of the present invention, described charging system comprises mobile terminal 100 and charger 200, and described charger 200 is electrically connected AC power and mobile terminal 100, and charges to after alternating current is converted to direct current mobile terminal 100.In charging process, described mobile terminal 100 for detecting charging current and cell voltage, and sends corresponding control signal according to the charging current detected and cell voltage to charger 200; Described charger 200 for receiving the control signal of described mobile terminal 100, and controls its output voltage exported to described mobile terminal 100 according to corresponding control signal.
Described mobile terminal 100 comprises central processing unit 110, battery 120 and transistor 130, identical with mobile terminal of the prior art on hardware, only need upgrade on software.Described charger 200 comprises AC/DC converting unit 220, has increased a control unit 210 newly simultaneously, and it is for communicating by the communication protocol preset with mobile terminal 100, and control AC/DC converting unit 220 output voltage.Described AC/DC converting unit 220 is electrically connected with battery 120 by the transistor 130 of mobile terminal 100, and alternating current is converted to direct current by it, and to described transistor 130 output voltage, is charged to battery 120 by transistor 130; Described central processing unit 110 in real time detects charging current and cell voltage, and controls described transistor 130 according to the charging current detected and cell voltage and send corresponding control signal to the control unit 210 of charger 200; After described control unit 210 receives the control signal of mobile terminal 100, then according to the output voltage of corresponding control signal control AC/DC converting unit 220.As shown in Figure 6, be connected by power line 230 between mobile terminal 100 with charger 200 and charge, then connect an order wire 240 and communicate; Also as shown in Figure 7, save order wire 240, and their power line of multiplexing connection 230 can communicate.
Concrete, after mobile terminal 100 and charger 200 are electrically connected by power line 230, charger 200 charges to mobile terminal 100, and in charging process, the central processing unit 110 of mobile terminal 100 detects charging current and cell voltage in real time.Along with the battery of charger 200 pairs of mobile terminals 100 charges, cell voltage raises gradually, and along with the rising of cell voltage, the charging current of its best is also in change.The i.e. battery voltage value of each range section, the optimal charge current value of its correspondence is different, in order to improve charge efficiency, needs to adjust charging current accordingly according to cell voltage.Therefore, each charging stage, have the predetermined threshold value of corresponding optimal charge electric current, the predetermined threshold value of each battery 120 is different.The charging current that central processing unit 110 bases detect and cell voltage, judge the size of predetermined threshold value corresponding to current cell voltage and current charging current, control described transistor 130 according to judged result and send corresponding control signal to the control unit 210 of charger 200.
Described control signal is the zero current pulse sending preset times in Preset Time.Be the oscillogram of three kinds of control signals in the communication protocol in the charging system of the present invention that exemplifies between mobile terminal 100 and charger 200 as shown in figs 2-4, wherein abscissa is time t, ordinate is electric current I, Preset Time is 100ms, preset times can be for 1 time or repeatedly, when in 100ms, transmission 1 zero current pulse is then the first control signal (as shown in Figure 2), when in 100ms, transmission 2 zero current pulses are then the second control signal (as shown in Figure 3), when in 100ms, transmission 3 zero current pulses are then the 3rd control signal (as shown in Figure 4).Wherein mobile terminal 100 is sent out 200 to charger and is sent zero current pulse, that the disconnection controlling the transistor 130 of mobile terminal 100 by the central processing unit 110 of mobile terminal 100 realizes, namely central processing unit 110 disconnects preset times at Preset Time internal control transistor 130, thus realize the zero current pulse sending preset times in Preset Time to the control unit 210 of charger 200, form corresponding control signal.
If central processing unit 110 judges that predetermined threshold value is greater than charging current, then control control unit 210 continuously transmission first control signal of transistor 130 to charger 200, as shown in Figure 2, control transistor 130 and disconnect 1 time in 100ms, namely in 100ms, send 1 zero current pulse; After the control unit 210 of charger 200 receives the first control signal that mobile terminal 100 sends, according to the communication protocol preset, control AC/DC converting unit 220 boosted output voltages, increases to make charging current.Charger 200 often receives first control signal, with regard to corresponding boosted output voltages unit, until charging current is equal with predetermined threshold value, mobile terminal 100 just stops transmission first control signal, charger 200 output voltages that top out, keep current optimal charge electric current, charge efficiency is maximized.If central processing unit 110 judges that predetermined threshold value is less than charging current, then control control unit 210 continuously transmission second control signal of transistor 130 to charger 200, as shown in Figure 3, control transistor 130 and disconnect 2 times in 100ms, namely in 100ms, send 2 zero current pulses; After the control unit 210 of charger 200 receives the second control signal that mobile terminal 100 sends, according to the communication protocol preset, control AC/DC converting unit 220 reduces output voltage, increases to make charging current.Charger 200 often receives second control signal, just corresponding reduction output voltage unit, until charging current is equal with predetermined threshold value, mobile terminal 100 just stops transmission second control signal, charger 200 stops reducing output voltage, keep current optimal charge electric current, charge efficiency is maximized.
Accordingly, the charging system of the present embodiment, can be communicated by the communication protocol preset between mobile terminal 100 with charger 200, wherein mobile terminal 100 is by detecting charging current and cell voltage, and send corresponding control signal according to the charging current detected and cell voltage to charger 200, charger 200 corresponding control signals of basis control output voltage, and then adjustable charging current, thus best charging current can be matched according to current cell voltage, charge efficiency is maximized.Directly control by charger 200 size that output voltage adjusts charging current, the loss of electric energy can not be caused to cause charging heating, improve fail safe, decrease energy waste.
Further, the central processing unit 110 of mobile terminal 100 judges whether cell voltage reaches the rated voltage of battery 120 simultaneously.If described cell voltage does not also reach rated voltage, illustrate that battery 120 is not also full of, judged result ignored by central processing unit 110, continues charging flow; If described cell voltage reaches rated voltage, illustrate that battery 120 is full of, CPU 110 controls transistor 130 and sends out 210 to the control unit of charger 200 and send the 3rd control signal, as shown in Figure 4, control transistor 130 to disconnect 3 times in 100ms, namely in 100ms, send 3 zero current pulses.After the control unit 210 of charger 200 receives the 3rd control signal that mobile terminal 100 sends, according to the communication protocol preset, control AC/DC converting unit 220 stops to mobile terminal 100 output voltage, charging flow terminates, thus can prevent battery 120 from overcharging and making the infringement of battery pair 120, further increase fail safe, extend battery 120 useful life.Meanwhile, the central processing unit 110 of mobile terminal 100 controls transistor 130 and disconnects.
Should be understood that; these are only the preferred embodiments of the present invention; can not therefore limit the scope of the claims of the present invention; every utilize specification of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (9)
1. a charging method, is characterized in that, comprises step:
Mobile terminal detects charging current and cell voltage;
Described mobile terminal judges the size of predetermined threshold value corresponding to described cell voltage and described charging current, corresponding control signal is sent to charger according to judged result, described control signal is the zero current pulse sending preset times in Preset Time, the control signal that the zero current pulse of different number of times is corresponding different;
Described charger controls output voltage according to corresponding control signal.
2. charging method according to claim 1, is characterized in that, describedly sends corresponding control signal according to judged result to charger and comprises:
If described predetermined threshold value is greater than described charging current, then described mobile terminal sends the first control signal to charger;
If described predetermined threshold value is less than described charging current, then described mobile terminal sends the second control signal to charger.
3. charging method according to claim 2, is characterized in that, described charger controls output voltage according to corresponding control signal and comprises:
If described charger receives described first control signal, then according to this first control signal boosted output voltages;
If described charger receives described second control signal, then reduce output voltage according to this second control signal.
4. charging method according to claim 2, is characterized in that, described mobile terminal also comprises while judging the step of the size of predetermined threshold value corresponding to described cell voltage and described charging current:
Described mobile terminal judges whether described cell voltage reaches rated voltage;
If described cell voltage reaches rated voltage, then described mobile terminal sends the 3rd control signal to charger.
5. charging method according to claim 4, is characterized in that, described charger controls output voltage according to corresponding control signal and comprises:
If described charger receives described 3rd control signal, then stop output voltage according to described 3rd control signal.
6. a charging system, is characterized in that, comprises mobile terminal and charger, wherein:
Mobile terminal, for detecting charging current and cell voltage, and judge the size of predetermined threshold value corresponding to described cell voltage and described charging current, corresponding control signal is sent to described charger according to judged result, described control signal is the zero current pulse sending preset times in Preset Time, the control signal that the zero current pulse of different number of times is corresponding different;
Charger, for receiving the control signal of described mobile terminal, and controls its output voltage exported to described mobile terminal according to corresponding control signal.
7. charging system according to claim 6, is characterized in that, described mobile terminal comprises central processing unit, battery and transistor, and described charger comprises control unit and AC/DC converting unit, wherein:
Central processing unit, for detecting charging current and cell voltage, and controls described transistor according to the charging current detected and cell voltage and sends corresponding control signal to described control unit;
Control unit, for receiving described control signal, and controls the output voltage of described AC/DC converting unit according to corresponding control signal;
AC/DC converting unit, for being electrically connected by battery described in described transistor AND gate, to charge to described battery.
8. charging system according to claim 7, is characterized in that, described central processing unit is for judging the size of predetermined threshold value corresponding to described cell voltage and described charging current;
If described predetermined threshold value is greater than described charging current, then described central processing unit controls described transistor and sends the first control signal to described control unit, and described control unit raises the output voltage of described AC/DC converting unit according to described first control signal;
If described predetermined threshold value is less than described charging current, then described central processing unit controls described transistor and sends the second control signal to described control unit, and described control unit reduces the output voltage of described AC/DC converting unit according to described second control signal.
9. charging system according to claim 8, is characterized in that, described central processing unit is also for judging whether described cell voltage reaches rated voltage; If described cell voltage reaches rated voltage, then described central processing unit controls described transistor and sends the 3rd control signal to described control unit, and described control unit controls described AC/DC converting unit according to described 3rd control signal and stops output voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310159380.9A CN103236568B (en) | 2013-05-03 | 2013-05-03 | Charging method and charging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310159380.9A CN103236568B (en) | 2013-05-03 | 2013-05-03 | Charging method and charging system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103236568A CN103236568A (en) | 2013-08-07 |
| CN103236568B true CN103236568B (en) | 2016-03-30 |
Family
ID=48884595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310159380.9A Active CN103236568B (en) | 2013-05-03 | 2013-05-03 | Charging method and charging system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103236568B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10044204B2 (en) | 2015-08-05 | 2018-08-07 | Hisense Mobhe Communications Technology Co., Ltd. | Power source adaptor for charging directly |
Families Citing this family (52)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI511405B (en) * | 2013-11-18 | 2015-12-01 | 新普科技股份有限公司 | Method for charging a power device of a portable device using a current-adaptive process and power device thereof |
| CN103701182A (en) * | 2013-12-16 | 2014-04-02 | 小米科技有限责任公司 | Charger, electronic equipment and charging system |
| CN103746434B (en) | 2014-01-28 | 2016-04-06 | 广东欧珀移动通信有限公司 | Charging method and system |
| CN106385094B (en) * | 2014-01-28 | 2019-02-12 | Oppo广东移动通信有限公司 | Control method for quickly charging and system |
| CN106487065B (en) * | 2014-01-28 | 2019-02-05 | Oppo广东移动通信有限公司 | Fast charge method and system |
| HUE043594T2 (en) | 2014-01-28 | 2019-08-28 | Guangdong Oppo Mobile Telecommunications Corp Ltd | Power adapter, terminal, and method for handling impedance anomaly in charging loop |
| CN103762691B (en) | 2014-01-28 | 2015-12-23 | 广东欧珀移动通信有限公司 | Battery charger and cell charge protection control method |
| EP3101768B1 (en) * | 2014-01-28 | 2021-05-26 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Power adapter and terminal |
| EP3101771B1 (en) * | 2014-01-28 | 2019-03-06 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Power adapter, terminal, and method for processing exception of charging loop |
| EP3101770B1 (en) | 2014-01-28 | 2019-05-15 | Guangdong Oppo Mobile Telecommunications Corp., Ltd | Power adapter and terminal |
| CN103779907B (en) | 2014-01-28 | 2016-11-23 | 广东欧珀移动通信有限公司 | Terminal and battery charging control device thereof and method |
| CN106532884B (en) | 2014-01-28 | 2019-07-19 | Oppo广东移动通信有限公司 | Battery charger and method |
| CN103779945B (en) * | 2014-02-24 | 2017-03-22 | 联想(北京)有限公司 | Charging control method, controller, charger and charging system |
| CN104065144B (en) * | 2014-07-10 | 2017-12-19 | 上海斐讯数据通信技术有限公司 | The system and method for USB charger output voltage and electric current is adjusted with VBUS signal dynamics |
| CN105375538B (en) * | 2014-08-19 | 2018-01-12 | 苏州力生美半导体有限公司 | Quick charge device |
| CN105404450B (en) | 2014-09-10 | 2019-08-27 | 联想(北京)有限公司 | A kind of information processing method and electronic equipment |
| CN105634050B (en) * | 2014-11-28 | 2020-12-18 | 鸿富锦精密电子(郑州)有限公司 | Charging system and control method thereof |
| CN104485713A (en) * | 2014-12-25 | 2015-04-01 | 小米科技有限责任公司 | Charge control method and device |
| CN104467121B (en) | 2014-12-31 | 2017-03-15 | 展讯通信（上海）有限公司 | Charging method, device, charger, charging equipment and charging system |
| CN104467117B (en) * | 2014-12-31 | 2018-01-26 | 展讯通信（上海）有限公司 | Charging method, device and charger |
| CN104467122B (en) * | 2014-12-31 | 2017-08-29 | 展讯通信（上海）有限公司 | Charging method, device, charger, electronic installation and equipment |
| CN104467135B (en) * | 2014-12-31 | 2017-06-30 | 展讯通信（上海）有限公司 | The charging method of charging equipment, device, charging equipment and charging system |
| CN104467118B (en) * | 2014-12-31 | 2017-08-08 | 展讯通信（上海）有限公司 | Charging method, device, charger, charging equipment and charging system |
| CN104779420B (en) * | 2015-03-11 | 2018-09-25 | 小米科技有限责任公司 | Method for charging batteries and device |
| PL3142221T3 (en) * | 2015-05-13 | 2019-07-31 | Guangdong Oppo Mobile Telecommunications Corp., Ltd | Quick charging method, power adapter and mobile terminal |
| TWI584095B (en) * | 2015-05-19 | 2017-05-21 | 耕源科技股份有限公司 | Apparatus for supplying power and method thereof |
| CN105162181B (en) * | 2015-07-01 | 2017-11-28 | 深圳天珑无线科技有限公司 | A kind of charging method and charging device |
| CN104967200B (en) | 2015-08-05 | 2018-04-27 | 青岛海信移动通信技术股份有限公司 | A kind of fast charge method and mobile terminal |
| CN104967201B (en) * | 2015-08-05 | 2018-10-02 | 青岛海信移动通信技术股份有限公司 | Fast charge method, mobile terminal and the source adapter that can directly charge |
| CN105140985B (en) * | 2015-08-05 | 2017-08-25 | 青岛海信移动通信技术股份有限公司 | Mobile terminal, can directly charge source adapter and charging method |
| CN104993182B (en) * | 2015-08-05 | 2018-01-09 | 青岛海信移动通信技术股份有限公司 | A kind of mobile terminal, can directly charge source adapter and charging method |
| CN105098900B (en) | 2015-08-05 | 2018-05-29 | 青岛海信移动通信技术股份有限公司 | Mobile terminal, can directly charge source adapter and charging method |
| CN104967199B (en) * | 2015-08-05 | 2018-07-10 | 青岛海信移动通信技术股份有限公司 | Fast charge method and mobile terminal |
| CN104993562B (en) | 2015-08-05 | 2017-12-05 | 青岛海信移动通信技术股份有限公司 | Can directly be charged source adapter |
| CN105071473B (en) * | 2015-08-11 | 2018-07-24 | 小米科技有限责任公司 | USB charging methods and device |
| TWI591927B (en) * | 2015-08-27 | 2017-07-11 | 新唐科技股份有限公司 | Charging method, charging controller and charging system |
| KR101838507B1 (en) * | 2015-12-15 | 2018-03-14 | 현대자동차주식회사 | Sub battery recharging system for vehicle and method for controlling the same |
| CN110289668B (en) | 2016-04-08 | 2022-03-08 | 华为技术有限公司 | Quick charging method, terminal, charger and system |
| CN105958581B (en) * | 2016-05-31 | 2024-01-09 | 零度智控（北京）智能科技有限公司 | Charging method, charging device and unmanned aerial vehicle |
| CN106058979A (en) * | 2016-06-27 | 2016-10-26 | 深圳维普创新科技有限公司 | Charging method capable of stably realizing large-current charging based on TYPE-C interface |
| CN106450533A (en) * | 2016-09-21 | 2017-02-22 | 奇酷互联网络科技（深圳）有限公司 | Charging method, charging device and terminal equipment |
| CN106712165A (en) * | 2016-12-12 | 2017-05-24 | 东莞新能德科技有限公司 | Charging method used for lithium battery and charging circuit |
| CN106786994A (en) * | 2017-02-20 | 2017-05-31 | 维沃移动通信有限公司 | A kind of charging method, charger and mobile terminal |
| CN107508346A (en) * | 2017-08-28 | 2017-12-22 | 惠州Tcl移动通信有限公司 | Mobile terminal and charge control method and storage medium |
| CN108336775B (en) * | 2017-12-28 | 2019-08-20 | 维沃移动通信有限公司 | Charging method and mobile terminal |
| CN108054815A (en) * | 2017-12-29 | 2018-05-18 | 上海创功通讯技术有限公司 | A kind of wireless charging method and equipment |
| WO2019148460A1 (en) * | 2018-02-02 | 2019-08-08 | 深圳市柔宇科技有限公司 | Charging apparatus and charging correction method |
| WO2020097918A1 (en) * | 2018-11-16 | 2020-05-22 | 深圳市欢太科技有限公司 | Method and device for adjusting charge current, and terminal and computer-readable storage medium |
| WO2020143020A1 (en) * | 2019-01-11 | 2020-07-16 | Oppo广东移动通信有限公司 | Charging device and charging method |
| CN115765060A (en) * | 2021-09-02 | 2023-03-07 | 中兴通讯股份有限公司 | Voltage regulating method and device for quick charging and electronic equipment |
| CN113852157A (en) * | 2021-09-16 | 2021-12-28 | 上汽通用五菱汽车股份有限公司 | Commercial power fluctuation resistant charging method, charging terminal and computer readable storage medium |
| CN117277517B (en) * | 2023-11-21 | 2024-03-08 | 深圳市美矽微半导体股份有限公司 | Intelligent real-time correction method and system for charging parameters of charging chip |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1406407A (en) * | 2000-02-28 | 2003-03-26 | 博姆巴迪尔运输股份有限公司 | A method and a device for charging a battery |
| CN1478316A (en) * | 2000-11-30 | 2004-02-25 | �����ɷ� | Battery charger circuit |
| JP3552316B2 (en) * | 1994-12-28 | 2004-08-11 | 株式会社デンソー | Charge control system |
| CN1578052A (en) * | 2003-07-09 | 2005-02-09 | 三美电机株式会社 | Ac adapter and charging method thereof |
| CN101816111A (en) * | 2007-10-04 | 2010-08-25 | 吉列公司 | Household device battery charger |
-
2013
- 2013-05-03 CN CN201310159380.9A patent/CN103236568B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3552316B2 (en) * | 1994-12-28 | 2004-08-11 | 株式会社デンソー | Charge control system |
| CN1406407A (en) * | 2000-02-28 | 2003-03-26 | 博姆巴迪尔运输股份有限公司 | A method and a device for charging a battery |
| CN1478316A (en) * | 2000-11-30 | 2004-02-25 | �����ɷ� | Battery charger circuit |
| CN1578052A (en) * | 2003-07-09 | 2005-02-09 | 三美电机株式会社 | Ac adapter and charging method thereof |
| CN101816111A (en) * | 2007-10-04 | 2010-08-25 | 吉列公司 | Household device battery charger |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10044204B2 (en) | 2015-08-05 | 2018-08-07 | Hisense Mobhe Communications Technology Co., Ltd. | Power source adaptor for charging directly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103236568A (en) | 2013-08-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103236568B (en) | Charging method and charging system | |
| CN105553001B (en) | Charging method and intelligent terminal | |
| US10270282B2 (en) | Solar charger comprising a charging unit for charging a power battery to a high voltage, a photo-sensitive unit for detecting light intensity, a switch unit for regulating connection between the charging unit and the power battery, and a control unit for regulating the charging of the power battery based on a saturation level and the light intensity | |
| US11041889B2 (en) | Method for estimating load current of power supply, and USB-type converter | |
| CN103812195A (en) | Wireless charge and discharge circuit, terminal device and wireless charge and discharge method | |
| CN103746434B (en) | Charging method and system | |
| CN104810879A (en) | Quick charge method and system | |
| CN103618355A (en) | Wireless charging method, emitting device, receiving device and wireless charging system | |
| CN211266789U (en) | Novel topological structure's multiport adapter | |
| CN104485724A (en) | Method and device for charging to-be-charged equipment, to-be-charged equipment and charging system | |
| CN105098268A (en) | Terminal charging method and apparatus | |
| CN104467117B (en) | Charging method, device and charger | |
| CN104269585A (en) | Charging method and mobile terminal | |
| CN104953678A (en) | Control method and system for mutual charging of mobile terminals | |
| CN104467120A (en) | Equipment to be charged, charging method and device of equipment to be charged, electronic equipment and charging system | |
| CN104467135A (en) | Charging method and device of equipment to be charged, equipment to be charged and charging system | |
| CN105552973B (en) | Electric energy transmission system and power supply system and charging combination thereof | |
| CN101795014B (en) | Device and method for mobile terminal to supply power to external equipment | |
| KR101451341B1 (en) | Mobile Phone Battery Charger and Control Method Thereof | |
| KR20140100071A (en) | Wireless power receiving apparatus for low heat and method thereof | |
| CN105071506A (en) | Charger with automatic cut-off function and using method thereof | |
| CN107248758A (en) | A kind of fast discharge and recharge path management system of intelligent binary channels and method | |
| CN103855781A (en) | Charger and electronic device | |
| CN103312014B (en) | Wireless charging system and method for controlling same | |
| CN210074886U (en) | High integration linear charging voltage stabilizing circuit and charging circuit for low power device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: A District No. 9018 Han innovation building in Nanshan District high tech Zone in Shenzhen city of Guangdong Province, North Central Avenue, 518000 floor 10 Applicant after: Nubian Technologies Ltd. Address before: A District No. 9018 Han innovation building in Nanshan District high tech Zone in Shenzhen city of Guangdong Province, North Central Avenue, 518000 floor 10 Applicant before: Shenzhen ZTE Mobile Tech Co., Ltd. |
|
| COR | Change of bibliographic data | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |