CN103779945A - Charging control method, controller, charger and charging system - Google Patents
Charging control method, controller, charger and charging system Download PDFInfo
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- CN103779945A CN103779945A CN201410061303.4A CN201410061303A CN103779945A CN 103779945 A CN103779945 A CN 103779945A CN 201410061303 A CN201410061303 A CN 201410061303A CN 103779945 A CN103779945 A CN 103779945A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The invention discloses a charging control method, a controller, a charger and a charging system. The method can be applied to the charger connected with a mobile terminal through a charging wire. The charger charges the mobile terminal through the charging wire and is communicated with the mobile terminal. The charger comprises the controller. The method comprises the steps that the controller obtains the charging voltage of a mobile terminal charging port through the charging wire and judges whether the charging voltage is in the preset voltage range or not; when the charging voltage is not in the preset voltage range, the controller controls the output voltage at an output port of the charger to become larger until the charging voltage is in the preset voltage range. The charging control method solves the problem that in the prior art, due to the fact that the voltage drop between the charger and the mobile terminal is increased, the charging time of the mobile terminal becomes longer, and working efficiency is improved.
Description
Technical field
The present invention relates to charging technique field, relate in particular a kind of charge control method, controller, charging device and charging system.
Background technology
Existing mobile terminal generally all needs to charge by charging device, as adapter, charging treasured etc.In the time of charging, mobile terminal is connected with charging device by charging wire, generally, the output voltage of charging device delivery outlet is fixed value, as 5V, owing to there being resistance on charging wire, make to have pressure drop between charging device and mobile terminal, cause the voltage that arrives mobile terminal charge port lower than 5V.And along with the charging current of existing mobile terminal is increasing, pressure drop between charging device and mobile terminal is also increasing, and then make the actual charging voltage of mobile terminal much smaller than the output voltage of charging device, to have caused the charging interval elongated, reduce operating efficiency.
Summary of the invention
In view of this, the invention provides a kind of charge control method, controller, charging device and charging system, elongated to solve in prior art the charging interval, reduce the problem of operating efficiency.
For achieving the above object, the invention provides following technical scheme:
A kind of charge control method, is applied in the charging device being connected with mobile terminal by charging wire, and wherein, described charging device charges to described mobile terminal by described charging wire and communicates with described mobile terminal; Described charging device comprises controller;
The method comprises:
Described controller obtains the charging voltage of described mobile terminal charge port by described charging wire, and judges that described charging voltage is whether within the scope of predeterminated voltage;
In the time that described charging voltage is not within the scope of described predeterminated voltage, the output voltage of charging device delivery outlet increases described in described controller control, until described charging voltage is within the scope of described predeterminated voltage.
Preferably, describedly judge that described charging voltage whether within the scope of predeterminated voltage, is specially:
Judge whether described charging voltage equates with default optimum voltage;
Described in the time that described charging voltage is not within the scope of described predeterminated voltage, the output voltage of charging device delivery outlet increases described in described controller control, until described charging voltage is within the scope of described predeterminated voltage, is specially:
In the time that described charging voltage is not equal to described default optimum voltage, the output voltage of charging device delivery outlet increases described in described controller control, until described charging voltage equals described default optimum voltage.
Preferably, described charging device comprises the multiple switch elements that are connected with described controller and the multiple resistance units that are connected with described multiple switch elements, and wherein, described multiple switch elements and described multiple resistance unit are corresponding one by one;
Described in described controller control, the output voltage of charging device delivery outlet increases, until described charging voltage is within the scope of described predeterminated voltage, is specially:
Described controller is by controlling opening and turn-offing of described multiple switch elements, and the output voltage of controlling described charging device delivery outlet increases, until described charging voltage is within the scope of described predeterminated voltage.
Preferably, described charging wire comprises the first transmission line, the second transmission line, the 3rd transmission line and the 4th transmission line,
Described charging device charges to described mobile terminal by described charging wire and communicates with described mobile terminal, specifically comprises:
Described charging device charges to described mobile terminal by described the first transmission line and described the second transmission line;
Described charging device communicates by described the 3rd transmission line and described the 4th transmission line and described mobile terminal.
Preferably, described controller obtains the charging voltage of described mobile terminal charge port by described charging wire, be specially:
Described controller obtains the charging voltage of described mobile terminal charge port by described the 3rd transmission line and described the 4th transmission line.
A kind of controller, is applied in the charging device being connected with mobile terminal by charging wire, and wherein, described charging device charges to described mobile terminal by described charging wire and communicates with described mobile terminal;
Described controller comprises:
Acquiring unit, for obtaining the charging voltage of described mobile terminal charge port by described charging wire;
Judging unit, for judging that described charging voltage is whether within the scope of predeterminated voltage;
Control unit, in the time that described charging voltage is not within the scope of described predeterminated voltage, the output voltage of controlling described charging device delivery outlet increases, until described charging voltage is within the scope of described predeterminated voltage.
Preferably, described judging unit is specifically for judging whether described charging voltage equates with default optimum voltage;
Described control unit is specifically in the time that described charging voltage is not equal to described default optimum voltage, and the output voltage of controlling described charging device delivery outlet increases, until described charging voltage equals described default optimum voltage.
Preferably, described charging device comprises the multiple switch elements that are connected with described controller and the multiple resistance units that are connected with described multiple switch elements, and wherein, described multiple switch elements and described multiple resistance unit are corresponding one by one;
Described control unit, specifically for by controlling opening and turn-offing of described multiple switch elements, is controlled the output voltage increase of described charging device delivery outlet, until described charging voltage is within the scope of described predeterminated voltage.
A kind of charging device, described charging device is connected with mobile terminal by charging wire, and wherein, described charging device charges to described mobile terminal by described charging wire and communicates with described mobile terminal;
Described charging device comprises controller, and described controller is for obtaining the charging voltage of described mobile terminal charge port by described charging wire, and judges that described charging voltage is whether within the scope of predeterminated voltage; In the time that described charging voltage is not within the scope of described predeterminated voltage, the output voltage of charging device delivery outlet increases described in described controller control, until described charging voltage is within the scope of described predeterminated voltage.
Preferably, described controller is specifically for judging whether described charging voltage equates with default optimum voltage, in the time that described charging voltage is not equal to described default optimum voltage, described in described controller control, the output voltage of charging device delivery outlet increases, until described charging voltage equals described default optimum voltage.
Preferably, also comprise the multiple switch elements that are connected with described controller and the multiple resistance units that are connected with described multiple switch elements, wherein, described multiple switch elements and described multiple resistance unit are corresponding one by one;
Described controller is specifically by controlling opening and turn-offing of described multiple switch elements, and the output voltage of controlling described charging device delivery outlet increases, until described charging voltage is within the scope of described predeterminated voltage.
A kind of charging system, comprises charging device, the charging wire being connected with described charging device and the mobile terminal being connected with described charging wire described in as above any one.
Preferably, described charging wire comprises the first transmission line, the second transmission line, the 3rd transmission line and the 4th transmission line,
Described charging device charges to described mobile terminal by described the first transmission line and described the second transmission line;
Described charging device communicates by described the 3rd transmission line and described the 4th transmission line and described mobile terminal.
Known via above-mentioned technical scheme, compared with prior art, the present invention openly provides a kind of charge control method, controller, charging device and charging system, the method can be applied in the charging device being connected with mobile terminal by charging wire, charging device comprises controller, the charging voltage that controller guarantees mobile terminal charge port by the output voltage of control charging device delivery outlet is always within the scope of predeterminated voltage, solve in prior art because pressure drop between charging device and mobile terminal increases, and the elongated problem of mobile terminal charging interval causing, improve operating efficiency.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skills, do not paying under the prerequisite of creative work, other accompanying drawing can also be provided according to the accompanying drawing providing.
Fig. 1 is the schematic flow sheet of the disclosed a kind of charge control method of one embodiment of the invention;
Fig. 2 is the schematic flow sheet of the disclosed a kind of charge control method of another embodiment of the present invention;
Fig. 3 is the structural representation of the disclosed a kind of controller of the embodiment of the present invention;
Fig. 4 is the structural representation of the disclosed a kind of charging system of the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Referring to Fig. 1, show the schematic flow sheet of an embodiment of a kind of charge control method of the present invention, method of the present invention can be applied in the charging device being connected with mobile terminal by charging wire;
Wherein, mobile terminal can be mobile phone, palmtop PC, panel computer etc., and charging device can be can be the adapter of above-mentioned mobile terminal charging, charging treasured etc.
Wherein, charging device in the present invention can charge to mobile terminal by charging wire and communicate with mobile terminal, it should be noted that, charging device is in the time communicating by charging wire and mobile terminal, and charging device can get the state information of mobile terminal.
Wherein, the state information of mobile terminal at least comprises the charging voltage of mobile terminal charge port.
Charging device in the present invention comprises controller, and the method for the present embodiment can comprise:
Step 101: controller obtains the charging voltage of mobile terminal charge port by charging wire, and judge that this charging voltage is whether within the scope of predeterminated voltage;
Wherein, charging device is in the process of mobile terminal being charged by charging wire, and the controller of charging device can obtain by charging wire the charging voltage of mobile terminal charge port, and judges that this charging voltage is whether within the scope of predeterminated voltage;
It should be noted that, predeterminated voltage scope is the normal voltage scope of the charging voltage of mobile terminal charge port, in the time that the charging voltage of mobile terminal charge port is within the scope of predeterminated voltage, characterize the charging interval of mobile terminal within the scope of normal charging period, and in the time that the charging voltage of mobile terminal charge port is not within the scope of predeterminated voltage, the charging interval that characterizes mobile terminal has exceeded normal charging period scope.
This default voltage range can be set according to actual conditions, if predeterminated voltage scope is between 4.2V～5V.
Step 102: in the time that described charging voltage is not within the scope of described predeterminated voltage, the output voltage of controller control charging device delivery outlet increases, until charging voltage is within the scope of predeterminated voltage.
In the time that the charging voltage of mobile terminal charge port is not within the scope of predeterminated voltage, the charging interval of mobile terminal will be elongated.The reason that causes this situation to occur is because the charging voltage of mobile terminal charge port diminishes, and make that the charging voltage of mobile terminal charge port diminishes multiple because have, as the resistance of charging wire becomes greatly, charging current increases etc.Therefore, controller can increase by the output voltage of controlling charging device delivery outlet, increase with the charging voltage that makes mobile terminal charge port thereupon, until the charging voltage of mobile terminal charge port is within the scope of predeterminated voltage, and then the charging interval that guarantees mobile terminal is within the scope of normal charging period.
In the embodiment of the present invention, the charging voltage that controller guarantees mobile terminal charge port by the output voltage of control charging device delivery outlet is always within the scope of predeterminated voltage, to guarantee that charging interval of mobile terminal is within the scope of normal charging period, solve in prior art because pressure drop between charging device and mobile terminal increases, and the elongated problem of mobile terminal charging interval causing has improved operating efficiency.
Wherein, in embodiments of the present invention, controller can be controlled by multiple way of realization the output voltage increase of charging device delivery outlet, as a kind of way of realization, charging device can comprise the multiple switch elements that are connected with controller and the multiple resistance units that are connected with multiple switch elements;
Wherein, multiple switch elements and multiple resistance unit are corresponding one by one;
Controller specifically can be by controlling opening and turn-offing of multiple switch elements, and the output voltage of controlling described charging device delivery outlet increases, until described charging voltage is within the scope of described predeterminated voltage.
It should be noted that, in the present embodiment, the resistance of the size of the output voltage of charging device delivery outlet and the resistance unit of place in circuit is closely related, controller is by controlling opening and turn-offing of multiple switch elements, and then change the output voltage of charging device delivery outlet, and in order to ensure the variation of the output voltage of charging device delivery outlet, can set the different many groups resistance unit of resistance.
Referring to Fig. 2, show the schematic flow sheet of a kind of another embodiment of charge control method of the present invention, method of the present invention can be applied in the charging device being connected with mobile terminal by charging wire;
Wherein, mobile terminal can be mobile phone, palmtop PC, panel computer etc., and charging device can be can be the adapter of above-mentioned mobile terminal charging, charging treasured etc.
Wherein, charging device can charge to mobile terminal by charging wire and communicate with mobile terminal.
Charging device in the present invention comprises controller, and the method for the present embodiment can comprise:
Step 201: controller obtains the charging voltage of mobile terminal charge port by charging wire, and judge whether charging voltage equates with default optimum voltage;
Wherein, default optimum voltage is that to characterize charging interval of mobile terminal be the voltage in short charging interval,, in the time that charging voltage equates with default optimum voltage, can think that the charging interval of mobile terminal is the shortest that is.
It should be noted that, default optimum voltage can be set according to actual conditions, if default optimum voltage is 5V.
Step 202: in the time that described charging voltage is not equal to default optimum voltage, the output voltage of controller control charging device delivery outlet increases, until charging voltage equals default optimum voltage.
In the time that the charging voltage of mobile terminal charge port is not equal to default optimum voltage, think that the charging interval of mobile terminal has exceeded the shortest charging interval, in this case, the output voltage that controller can be controlled charging device delivery outlet increases, increase with the charging voltage that makes mobile terminal charging, until the charging voltage of mobile terminal charge port equals default optimum voltage thereupon.
In the embodiment of the present invention, controller guarantees that by controlling the output voltage of charging device delivery outlet the charging voltage of mobile terminal charge port equals default optimum voltage, the shortest to guarantee the charging interval of mobile terminal, solve in prior art because the pressure drop between charging device and mobile terminal increases, and the elongated problem of mobile terminal charging interval causing has improved operating efficiency.
Wherein, in embodiments of the present invention, charging device charges to mobile terminal by charging wire and communicates with mobile terminal, and charging wire generally comprises the first transmission line Vbus, the second transmission line GND, the 3rd transmission line D+ and the 4th transmission line D-;
Wherein, the first transmission line Vbus and the second transmission line are for the charging of mobile terminal, the 3rd transmission line D+ and the 4th transmission line D-communicating by letter for mobile terminal, concrete, charging device charges to mobile terminal by the first transmission line Vbus and the second transmission line GND, and charging device communicates by the 3rd transmission line D+ and the 4th transmission line D-and mobile terminal.
So, corresponding, in above each embodiment, controller obtains the charging voltage of mobile terminal charge port by charging wire, be specially: controller obtains the charging voltage of mobile terminal charge port by the 3rd transmission line and the 4th transmission line.
The embodiment of the present invention also provides a kind of controller, and as shown in Figure 3, this controller can be applied in the charging device being connected with mobile terminal by charging wire;
Wherein, mobile terminal can be mobile phone, palmtop PC, panel computer etc., and charging device can be can be the adapter of above-mentioned mobile terminal charging, charging treasured etc.
Wherein, charging device can charge to mobile terminal by charging wire and communicate with mobile terminal.
This controller can comprise: acquiring unit 301, judging unit 302 and control unit 303, wherein:
Acquiring unit 301, can be for obtaining the charging voltage of mobile terminal charge port by charging wire;
Judging unit 302, can be for judging that charging voltage is whether within the scope of predeterminated voltage;
It should be noted that, predeterminated voltage scope is the normal voltage scope of the charging voltage of mobile terminal charge port, in the time that the charging voltage of mobile terminal charge port is within the scope of predeterminated voltage, characterize the charging interval of mobile terminal within the scope of normal charging period, and in the time that the charging voltage of mobile terminal charge port is not within the scope of predeterminated voltage, the charging interval that characterizes mobile terminal has exceeded normal charging period scope.
In the embodiment of the present invention, the charging voltage that controller guarantees mobile terminal charge port by the output voltage of control charging device delivery outlet is always within the scope of predeterminated voltage, to shorten the charging interval of mobile terminal, solve in prior art because pressure drop between charging device and mobile terminal increases, and the elongated problem of mobile terminal charging interval causing has improved operating efficiency.
Wherein, in embodiments of the present invention, whether above-mentioned judging unit specifically can equate with default optimum voltage for the charging voltage that judges mobile terminal charge port;
Wherein, default optimum voltage is that to characterize charging interval of mobile terminal be the voltage in short charging interval,, in the time that charging voltage equates with default optimum voltage, can think that the charging interval of mobile terminal is the shortest that is.
Above-mentioned control unit specifically can be when being not equal to default optimum voltage when the charging voltage of mobile terminal charge port, the output voltage of controlling charging device delivery outlet increases, until charging voltage equals default optimum voltage.
It should be noted that, in embodiments of the present invention, controller can be controlled by multiple way of realization the output voltage increase of charging device delivery outlet, as a kind of way of realization, charging device can comprise the multiple switch elements that are connected with controller and the multiple resistance units that are connected with multiple switch elements, wherein, described multiple switch element and described multiple resistance unit are corresponding one by one;
So, corresponding, control unit specifically can, for by controlling opening and turn-offing of multiple switch elements, be controlled the output voltage increase of charging device delivery outlet, until charging voltage is within the scope of predeterminated voltage.
The embodiment of the present invention also provides a kind of charging device, and as shown in Figure 4, this charging device is connected with mobile terminal by charging wire;
Wherein, mobile terminal can be mobile phone, palmtop PC, panel computer etc., and charging device can be can be the adapter of above-mentioned mobile terminal charging, charging treasured etc.
Wherein, the charging device in the present invention can charge to mobile terminal by charging wire and communicate with mobile terminal;
This charging device comprises controller, and controller can be for obtain the charging voltage of mobile terminal charge port by charging wire, and judges that charging voltage is whether within the scope of predeterminated voltage; In the time that charging voltage is not within the scope of predeterminated voltage, the output voltage of controller control charging device delivery outlet increases, until charging voltage is within the scope of predeterminated voltage.
In the embodiment of the present invention, charging device comprises controller, the charging voltage that controller guarantees mobile terminal charge port by the output voltage of control charging device delivery outlet is always within the scope of predeterminated voltage, to shorten the charging interval of mobile terminal, solve in prior art because pressure drop between charging device and mobile terminal increases, and the elongated problem of mobile terminal charging interval causing has improved operating efficiency.
Wherein, in embodiments of the present invention, controller specifically can be used for judging whether the charging voltage of mobile terminal charge port equates with default optimum voltage, in the time that the charging voltage of mobile terminal charge port is not equal to default optimum voltage, the output voltage of controller control charging device delivery outlet increases, until charging voltage equals described default optimum voltage.
It should be noted that, in embodiments of the present invention, controller can be controlled by multiple way of realization the output voltage increase of charging device delivery outlet, as a kind of way of realization, charging device can also comprise the multiple switch elements that are connected with controller and the multiple resistance units that are connected with multiple switch elements, wherein, multiple switch elements and multiple resistance unit are corresponding one by one;
So, corresponding, controller specifically can be by controlling opening and turn-offing of described multiple switch elements, and the output voltage of controlling described charging device delivery outlet increases, until described charging voltage is within the scope of described predeterminated voltage.
The embodiment of the present invention also provides a kind of charging system, as shown in Figure 4, comprises charging device 401, charging wire 402 and mobile terminal 403, wherein:
Wherein, the specific implementation of charging device refers to above-described embodiment, and in this not go into detail.
Wherein, in embodiments of the present invention, charging wire can comprise the first transmission line Vbus, the second transmission line GND, the 3rd transmission line D+ and the 4th transmission line D-;
Wherein, the first transmission line Vbus and the second transmission line are for the charging of mobile terminal, the 3rd transmission line D+ and the 4th transmission line D-communicating by letter for mobile terminal, concrete, charging device charges to mobile terminal by the first transmission line Vbus and the second transmission line GND, and charging device communicates by the 3rd transmission line D+ and the 4th transmission line D-and mobile terminal.
It should be noted that, the specific implementation of above each device all can be referring to the corresponding embodiment of specification method, and in this not go into detail.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is and the difference of other embodiment, between each embodiment identical similar part mutually referring to.For the disclosed device of embodiment, because it corresponds to the method disclosed in Example, so description is fairly simple, relevant part illustrates referring to method part.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the present invention.To be apparent for those skilled in the art to the multiple modification of these embodiment, General Principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (13)
1. a charge control method, is characterized in that, is applied in the charging device being connected with mobile terminal by charging wire, and wherein, described charging device charges to described mobile terminal by described charging wire and communicates with described mobile terminal; Described charging device comprises controller;
The method comprises:
Described controller obtains the charging voltage of described mobile terminal charge port by described charging wire, and judges that described charging voltage is whether within the scope of predeterminated voltage;
In the time that described charging voltage is not within the scope of described predeterminated voltage, the output voltage of charging device delivery outlet increases described in described controller control, until described charging voltage is within the scope of described predeterminated voltage.
2. control method according to claim 1, is characterized in that, describedly judges that described charging voltage whether within the scope of predeterminated voltage, is specially:
Judge whether described charging voltage equates with default optimum voltage;
Described in the time that described charging voltage is not within the scope of described predeterminated voltage, the output voltage of charging device delivery outlet increases described in described controller control, until described charging voltage is within the scope of described predeterminated voltage, is specially:
In the time that described charging voltage is not equal to described default optimum voltage, the output voltage of charging device delivery outlet increases described in described controller control, until described charging voltage equals described default optimum voltage.
3. control method according to claim 1, it is characterized in that, described charging device comprises the multiple switch elements that are connected with described controller and the multiple resistance units that are connected with described multiple switch elements, and wherein, described multiple switch elements and described multiple resistance unit are corresponding one by one;
Described in described controller control, the output voltage of charging device delivery outlet increases, until described charging voltage is within the scope of described predeterminated voltage, is specially:
Described controller is by controlling opening and turn-offing of described multiple switch elements, and the output voltage of controlling described charging device delivery outlet increases, until described charging voltage is within the scope of described predeterminated voltage.
4. control method according to claim 1, is characterized in that, described charging wire comprises the first transmission line, the second transmission line, the 3rd transmission line and the 4th transmission line,
Described charging device charges to described mobile terminal by described charging wire and communicates with described mobile terminal, specifically comprises:
Described charging device charges to described mobile terminal by described the first transmission line and described the second transmission line;
Described charging device communicates by described the 3rd transmission line and described the 4th transmission line and described mobile terminal.
5. control method according to claim 4, is characterized in that,
Described controller obtains the charging voltage of described mobile terminal charge port by described charging wire, be specially:
Described controller obtains the charging voltage of described mobile terminal charge port by described the 3rd transmission line and described the 4th transmission line.
6. a controller, is characterized in that, is applied in the charging device being connected with mobile terminal by charging wire, and wherein, described charging device charges to described mobile terminal by described charging wire and communicates with described mobile terminal;
Described controller comprises:
Acquiring unit, for obtaining the charging voltage of described mobile terminal charge port by described charging wire;
Judging unit, for judging that described charging voltage is whether within the scope of predeterminated voltage;
Control unit, in the time that described charging voltage is not within the scope of described predeterminated voltage, the output voltage of controlling described charging device delivery outlet increases, until described charging voltage is within the scope of described predeterminated voltage.
7. controller according to claim 6, is characterized in that, described judging unit is specifically for judging whether described charging voltage equates with default optimum voltage;
Described control unit is specifically in the time that described charging voltage is not equal to described default optimum voltage, and the output voltage of controlling described charging device delivery outlet increases, until described charging voltage equals described default optimum voltage.
8. controller according to claim 6, it is characterized in that, described charging device comprises the multiple switch elements that are connected with described controller and the multiple resistance units that are connected with described multiple switch elements, and wherein, described multiple switch elements and described multiple resistance unit are corresponding one by one;
Described control unit, specifically for by controlling opening and turn-offing of described multiple switch elements, is controlled the output voltage increase of described charging device delivery outlet, until described charging voltage is within the scope of described predeterminated voltage.
9. a charging device, is characterized in that, described charging device is connected with mobile terminal by charging wire, and wherein, described charging device charges to described mobile terminal by described charging wire and communicates with described mobile terminal;
Described charging device comprises controller, and described controller is for obtaining the charging voltage of described mobile terminal charge port by described charging wire, and judges that described charging voltage is whether within the scope of predeterminated voltage; In the time that described charging voltage is not within the scope of described predeterminated voltage, the output voltage of charging device delivery outlet increases described in described controller control, until described charging voltage is within the scope of described predeterminated voltage.
10. charging device according to claim 9, it is characterized in that, described controller is specifically for judging whether described charging voltage equates with default optimum voltage, in the time that described charging voltage is not equal to described default optimum voltage, described in described controller control, the output voltage of charging device delivery outlet increases, until described charging voltage equals described default optimum voltage.
11. charging devices according to claim 10, it is characterized in that, also comprise the multiple switch elements that are connected with described controller and the multiple resistance units that are connected with described multiple switch elements, wherein, described multiple switch elements and described multiple resistance unit are corresponding one by one;
Described controller is specifically by controlling opening and turn-offing of described multiple switch elements, and the output voltage of controlling described charging device delivery outlet increases, until described charging voltage is within the scope of described predeterminated voltage.
12. 1 kinds of charging systems, is characterized in that, comprise the charging device as described in claim 9～11 any one, the charging wire being connected with described charging device and the mobile terminal being connected with described charging wire.
13. charging systems according to claim 12, is characterized in that, described charging wire comprises the first transmission line, the second transmission line, the 3rd transmission line and the 4th transmission line;
Described charging device charges to described mobile terminal by described the first transmission line and described the second transmission line;
Described charging device communicates by described the 3rd transmission line and described the 4th transmission line and described mobile terminal.
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| CN104377781A (en) * | 2014-11-27 | 2015-02-25 | 上海芯导电子科技有限公司 | Adapter, charging system comprising same and charging method using same |
| CN105656136A (en) * | 2016-02-22 | 2016-06-08 | 联想(北京)有限公司 | Signal processing method, power supply equipment and charging equipment |
| CN106956604A (en) * | 2017-03-13 | 2017-07-18 | 西安特锐德智能充电科技有限公司 | A kind of charging converting-device and charging system for electric automobile, method |
| CN107069844A (en) * | 2017-01-13 | 2017-08-18 | 广东欧珀移动通信有限公司 | Charging method, device and terminal |
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| US20090289604A1 (en) * | 2008-05-26 | 2009-11-26 | Steve Carkner | Remote battery charging system with dynamic voltage adjustment and method of use |
| CN101316047A (en) * | 2008-07-21 | 2008-12-03 | 上海广为美线电源电器有限公司 | Emergency power supply with charger |
| CN103378378A (en) * | 2012-04-28 | 2013-10-30 | 联想(北京)有限公司 | Charging method and charging device |
| CN103236568A (en) * | 2013-05-03 | 2013-08-07 | 深圳市中兴移动通信有限公司 | Charging method and charging system |
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| CN104377781A (en) * | 2014-11-27 | 2015-02-25 | 上海芯导电子科技有限公司 | Adapter, charging system comprising same and charging method using same |
| CN105656136A (en) * | 2016-02-22 | 2016-06-08 | 联想(北京)有限公司 | Signal processing method, power supply equipment and charging equipment |
| CN107069844A (en) * | 2017-01-13 | 2017-08-18 | 广东欧珀移动通信有限公司 | Charging method, device and terminal |
| CN107069844B (en) * | 2017-01-13 | 2019-07-16 | Oppo广东移动通信有限公司 | Charging method, device and terminal |
| CN106956604A (en) * | 2017-03-13 | 2017-07-18 | 西安特锐德智能充电科技有限公司 | A kind of charging converting-device and charging system for electric automobile, method |
| CN106956604B (en) * | 2017-03-13 | 2019-03-01 | 西安特锐德智能充电科技有限公司 | A kind of charging converting-device and charging system for electric automobile, method |
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