CN106160105B - A kind of charging method and mobile terminal of mobile terminal - Google Patents
A kind of charging method and mobile terminal of mobile terminal Download PDFInfo
- Publication number
- CN106160105B CN106160105B CN201610617148.9A CN201610617148A CN106160105B CN 106160105 B CN106160105 B CN 106160105B CN 201610617148 A CN201610617148 A CN 201610617148A CN 106160105 B CN106160105 B CN 106160105B
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- Prior art keywords
- charging
- connector
- mobile terminal
- charging modes
- modes
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- 230000000875 corresponding Effects 0.000 claims description 22
- 238000005516 engineering processes Methods 0.000 abstract description 6
- 238000000034 methods Methods 0.000 abstract description 5
- 238000004891 communication Methods 0.000 abstract description 4
- 238000010586 diagrams Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reactions Methods 0.000 description 3
- 230000001808 coupling Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000004458 analytical methods Methods 0.000 description 1
- 238000004364 calculation methods Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 229920001690 polydopamine Polymers 0.000 description 1
- 238000002360 preparation methods Methods 0.000 description 1
- 238000010897 surface acoustic wave method Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
- H02J7/00036—Charger exchanging data with battery
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/18—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for batteries; for accumulators
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/0036—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using connection detecting circuits
Abstract
Description
Technical field
The present embodiments relate to the charging methods and movement of field of communication technology more particularly to a kind of mobile terminal eventually End.
Background technique
With the rapid development of mobile communication technology, the hardware of mobile terminal constantly upgrades.But due to battery capacity by It is limited to technical development, and mobile terminal is all to develop toward thin direction, thus battery volume is limited at present.
Mobile terminal new function increases so that mobile terminal power consumption rate is accelerated, so to the charging rate of mobile terminal There is new demand.It is at present mainly the charging modes of high-voltage great-current applied to the fast charge technology of mobile terminal.But at this In kind charging modes, the charging IC (Integrated Circuit, integrated circuit) of high-voltage great-current has been placed to mobile end On PCB (Printed Circuit Board, the printed circuit board) plate at end.In this case, charging current is bigger, pcb board Calorific value it is also bigger, the temperature rise of mobile terminal is also bigger.In order to reduce the calorific value of mobile terminal, fast charge technology is towards low pressure Directly the mode of filling develops high current.In this fashion, the output voltage of charger and electric current are directly charged into mobile terminal, without To pass through the charging IC on mobile terminal pcb board.
There are two charging circuits for setting in the charging modes of low-voltage, high-current：First charging circuit and the second charging electricity Road.Wherein, the first charging circuit is common 5V charging circuit；Second charging circuit is low-voltage, high-current charging circuit.Such as Fig. 1 It is shown, in the OVP (Over Voltage Protection, overvoltage protection) from USB port to the first charging circuit and from USB Into this section of charging circuit of the switch 1 of the second charging circuit, two charging circuits have shared the charge path of a part for port, It is referred to as shared charge path.But since the charging current value of the first charging circuit and the second charging circuit differs greatly (charging current that the charging current of the second charging circuit is greater than the first charging circuit), so that when designing charging circuit to cabling More demanding namely routing line width of line width must satisfy the requirement of the charging current of the second charging circuit, and wide cabling Line width is unnecessary for the first charging circuit.Line width increases, and the heating rate of charging circuit increases, to cause pair The interference of other signals also increases.
Summary of the invention
The embodiment of the present invention provides the charging method and mobile terminal of a kind of mobile terminal, to solve existing low-voltage, high-current In charging modes routing line width it is wider and caused by the problem larger to other signal interferences.
In a first aspect, a kind of charging method of mobile terminal is provided, including：
When charging using charger to mobile terminal, the charging modes information and fill that the charger is supported are obtained Electric mode precedence information；
Judged according to the charging modes information and the charging modes precedence information, obtains a judging result；
If the judging result indicates that the charger supports the first charging modes and the second charging modes and described simultaneously The priority of first charging modes is higher than second charging modes, utilizes the corresponding first charging electricity of first charging modes It charges to the mobile terminal on road；
If the judging result indicates that the charger supports the first charging modes and the second charging modes and described simultaneously The priority of first charging modes is lower than second charging modes, utilizes the corresponding second charging electricity of second charging modes It charges to the mobile terminal on road；
Wherein first charging circuit and second charging circuit include charge independence path.
Second aspect provides a kind of mobile terminal, including：
Module is obtained, for when charging using charger to mobile terminal, obtaining filling for the charger support Electric mode information and charging modes precedence information；
Judgment module, charging modes information and the charging modes priority for being obtained according to the acquisition module are believed Breath is judged, a judging result is obtained；
First charging module, if the judging result for the judgment module indicates that the charger supports that first fills simultaneously The priority of electric mode and the second charging modes and first charging modes is higher than second charging modes, utilizes described the Corresponding first charging circuit of one charging modes charges to the mobile terminal；
Second charging module, if the judging result for the judgment module indicates that the charger supports that first fills simultaneously The priority of electric mode and the second charging modes and first charging modes is lower than second charging modes, utilizes described the Corresponding second charging circuit of two charging modes charges to the mobile terminal；
Wherein first charging circuit and second charging circuit include charge independence path.
In this way, the charging modes information and charging modes supported by the charger of acquisition are preferential in the embodiment of the present invention Grade information is judged, and selects corresponding first or second charging circuit to charge mobile terminal according to judging result, And the first charging circuit and the second charging circuit include charge independence path.Due to the first charging circuit and the second charging electricity Road includes charge independence path, and therefore, different charging circuits can design different routing line widths, is for smaller current Charging modes may not need the corresponding routing line width of charging modes using larger current.Thus, utilize the embodiment of the present invention The heating rate of charging circuit can be reduced, to reduce the interference to other signals.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, needed in being described below to the embodiment of the present invention Attached drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, For those of ordinary skill in the art, without any creative labor, it can also obtain according to these attached drawings Obtain other attached drawings.
Fig. 1 is charging circuit schematic diagram in the prior art；
Fig. 2 is the flow chart of the charging method of the mobile terminal of first embodiment of the invention；
Fig. 3 is the schematic diagram of two charging circuits in first embodiment of the invention；
Fig. 4 is the schematic diagram of the mobile terminal of second embodiment of the invention；
Fig. 5 is the schematic diagram of the mobile terminal of third embodiment of the invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair Embodiment in bright, every other implementation obtained by those of ordinary skill in the art without making creative efforts Example, shall fall within the protection scope of the present invention.
First embodiment
As shown in Fig. 2, the charging method of the mobile terminal of first embodiment of the invention, including：
Step 101, when being charged using charger to mobile terminal, obtain charger support charging modes information With charging modes precedence information.
In embodiments of the present invention, when being charged using charger to mobile terminal, using the CPU of mobile terminal (Central Processing Unit, central processing unit) and charger are communicated, and are filled with obtain that charger supported Electric mode information and charging modes precedence information.
In embodiments of the present invention, the supported charging modes of charger include：First charging modes and the second charging side Formula.Wherein, the first charging modes refer to that the charging modes of common 5V, the second charging modes refer to low-voltage, high-current charging side Formula.Since charge power is fixed, then charging current inevitably enlarges when charging voltage reduces.Wherein, so-called low pressure refers to Charging voltage lower than 5V.
Step 102 is judged according to charging modes information and charging modes precedence information, obtains a judging result.
Here, obtaining judging result by carrying out analysis to charging modes information and charging modes precedence information.
If step 103, judging result indicate that charger supports the first charging modes and the second charging modes and first simultaneously The priority of charging modes is higher than the second charging modes, using corresponding first charging circuit of the first charging modes to mobile terminal It charges.
If step 104, judging result indicate that charger supports the first charging modes and the second charging modes and first simultaneously The priority of charging modes is lower than the second charging modes, using corresponding second charging circuit of the second charging modes to mobile terminal It charges.
Wherein the first charging circuit and the second charging circuit include charge independence path.
As shown in connection with fig. 1, the first charging circuit and the second charging circuit have the shared charge path of a part.And at this In inventive embodiments, the first charging circuit and the second charging circuit shared charge path namely first without this part fill Circuit and the second charging circuit are complete mutually independent charging circuits.
From the above, it can be seen that since the first charging circuit and the second charging circuit include charge independence path, no Same charging circuit can design different routing line widths, and the charging modes for being for smaller current, which may not need, utilizes larger electricity The corresponding routing line width of the charging modes of stream.Thus, the heating rate of charging circuit can be reduced using the embodiment of the present invention, from And reduce the interference to other signals.
The composition of two charging circuits in the embodiment of the present invention once is described below in conjunction with Fig. 3.
Mobile terminal generallys use three-stage design, and top is divided into main PCB plate, and centre is that battery unit (including protect by battery Backplate and battery), lower part is divided into the secondary pcb board of connection USB (Universal Serial Bus, universal serial bus) port, Main PCB plate and secondary pcb board are connected by FPCB (Flexible Printed Circuit Board, flexible printed circuit board).
In embodiments of the present invention, as shown in figure 3, the first charging circuit includes：Charging port 311, secondary pcb board and master The bindiny mechanism 312 of pcb board, 5V charhing unit 313, main PCB plate and battery unit bindiny mechanism 314, battery unit 315； Second charging circuit includes：Charging port 311, low-voltage, high-current charhing unit 321, secondary pcb board and battery unit connection machine Structure 322, battery unit 315.
Wherein, which can be USB port, and share for two charging circuits.
In conjunction with Fig. 3, in the first charging circuit, the bindiny mechanism 312 of secondary pcb board and main PCB plate includes：First connection Part 3121, the second connector 3122, third connector 3123.Wherein, the first connector 3121 is used for auxiliary connection pcb board and second One end of connector 3122；The other end of second connector 3122 is connected by third connector 3123 with main PCB plate.Wherein, Flexible printed circuit board can be used in second connector.Battery unit 315 includes battery protecting plate 3151 and battery；Main PCB plate and The bindiny mechanism 314 of battery unit is：For connecting the connector of main PCB plate and solar panel.
In conjunction with Fig. 3, in the second charging circuit, the bindiny mechanism 322 of secondary pcb board and battery unit includes：4th connects Fitting 3221, the 5th connector 3222, the 6th connector 3223.Wherein, the 4th connector 3221 is for auxiliary connection pcb board and the One end of five connectors 3222；The other end of 5th connector 3222 is connected by the 6th connector 3223 and battery protecting plate 3151 It connects.Flexible printed circuit board can be used in 5th connector 3222.
When determining the use of the first charging circuit according to judging result and being charged, charge path is：Charging port, first Connector, the second connector, third connector, 5V charhing unit, main PCB plate and battery unit bindiny mechanism, battery unit. When determining the use of the second charging circuit according to judging result and being charged, charge path is：Charging port, low-voltage, high-current fill Electric unit, the 4th connector, the 5th connector, the 6th connector, battery unit.
In this way, common 5V charge path and the separation of low-voltage, high-current charge path, can reduce common 5V and fill Requirement of the circuit to wiring reduces the interference to other sensitive signals so as to reduce impedance.
Second embodiment
As shown in figure 4, the mobile terminal 400 of second embodiment of the invention, including：
Module 401 is obtained, for when charging using charger to mobile terminal, obtaining the charging that charger is supported Mode information and charging modes precedence information；Judgment module 402, the charging modes letter for being obtained according to module 401 is obtained Breath and charging modes precedence information are judged, a judging result is obtained；First charging module 403, if being used for judgment module 402 judging result indicates that charger supports the preferential of the first charging modes and the second charging modes and the first charging modes simultaneously Grade is higher than the second charging modes, is charged using corresponding first charging circuit of the first charging modes to mobile terminal；Second Charging module 404, if the judging result for judgment module 402 indicates that charger supports the first charging modes and second to fill simultaneously Electric mode and the priority of the first charging modes are lower than the second charging modes, utilize the corresponding second charging electricity of the second charging modes It charges to mobile terminal on road；Wherein the first charging circuit and the second charging circuit include charge independence path.
Wherein, the composition of the first charging circuit and the second charging circuit can refer to shown in Fig. 3.
Mobile terminal 400 can be realized each process that mobile terminal is realized in the embodiment of the method for Fig. 1, to avoid weight Multiple, which is not described herein again.
From the above, it can be seen that since the first charging circuit and the second charging circuit include charge independence path, no Same charging circuit can design different routing line widths, and the charging modes for being for smaller current, which may not need, utilizes larger electricity The corresponding routing line width of the charging modes of stream.Thus, the heating rate of charging circuit can be reduced using the embodiment of the present invention, from And reduce the interference to other signals.
3rd embodiment
Fig. 5 is the structural schematic diagram of the mobile terminal of another embodiment of the present invention.Specifically, the mobile terminal in Fig. 5 It can be mobile phone, tablet computer, personal digital assistant (Personal Digital Assistant, PDA) or vehicle-mounted computer Deng.
Mobile terminal in Fig. 5 includes radio frequency (Radio Frequency, RF) circuit 510, memory 520, input unit 530, display unit 540, processor 560, voicefrequency circuit 570, WiFi (Wireless Fidelity) module 550 and power supply 590。
Wherein, input unit 530 can be used for receiving the number or character information of user's input, and generation and mobile terminal User setting and function control related signal input.Specifically, in the embodiment of the present invention, which can be with Including touch panel 531.Touch panel 531, also referred to as touch screen collect the touch operation (ratio of user on it or nearby Such as user uses the operation of finger, stylus any suitable object or attachment on touch panel 531), and according to setting in advance Fixed formula drives corresponding attachment device.Optionally, touch panel 531 may include touch detecting apparatus and touch controller two A part.Wherein, the touch orientation of touch detecting apparatus detection user, and touch operation bring signal is detected, signal is passed Give touch controller；Touch controller receives touch information from touch detecting apparatus, and is converted into contact coordinate, then The processor 560 is given, and order that processor 560 is sent can be received and executed.Furthermore, it is possible to using resistance-type, electricity The multiple types such as appearance formula, infrared ray and surface acoustic wave realize touch panel 531.In addition to touch panel 531, input unit 530 Can also include other input equipments 532, other input equipments 532 can include but is not limited to physical keyboard, function key (such as Volume control button, switch key etc.), trace ball, mouse, one of operating stick etc. or a variety of.
Wherein, display unit 540 can be used for showing information input by user or be supplied to the information and movement of user The various menu interfaces of terminal.Display unit 540 may include display panel 541, optionally, can use LCD or organic light emission The forms such as diode (Organic Light-Emitting Diode, OLED) configure display panel 541.
It should be noted that touch panel 531 can cover display panel 541, touch display screen is formed, when the touch display screen is examined After measuring touch operation on it or nearby, processor 560 is sent to determine the type of touch event, is followed by subsequent processing device 560 provide corresponding visual output according to the type of touch event in touch display screen.
Touch display screen includes Application Program Interface viewing area and common control viewing area.The Application Program Interface viewing area And arrangement mode of the common control viewing area does not limit, can be arranged above and below, left-right situs etc. can distinguish two it is aobvious Show the arrangement mode in area.The Application Program Interface viewing area is displayed for the interface of application program.Each interface can be with The interface elements such as the icon comprising at least one application program and/or widget desktop control.The Application Program Interface viewing area Or the empty interface not comprising any content.This commonly uses control viewing area for showing the higher control of utilization rate, for example, Application icons such as button, interface number, scroll bar, phone directory icon etc. are set.
Wherein processor 560 is the control centre of mobile terminal, utilizes each of various interfaces and connection whole mobile phone A part by running or execute the software program and/or module that are stored in first memory 521, and is called and is stored in Data in second memory 522 execute the various functions and processing data of mobile terminal, to carry out to mobile terminal whole Monitoring.Optionally, processor 560 may include one or more processing units.
In embodiments of the present invention, by call store the first memory 521 in software program and/or module and/ Or the data in the second memory 522, processor 560 are used for：
When charging using charger to mobile terminal, the charging modes information and charging side that charger is supported are obtained Formula precedence information；Judged according to charging modes information and charging modes precedence information, obtains a judging result；If sentencing Disconnected result indicates that charger supports the priority of the first charging modes and the second charging modes and the first charging modes to be higher than simultaneously Second charging modes charge to mobile terminal using corresponding first charging circuit of the first charging modes；If judging result Indicate that charger supports the priority of the first charging modes and the second charging modes and the first charging modes to fill lower than second simultaneously Electric mode charges to mobile terminal using corresponding second charging circuit of the second charging modes；Wherein the first charging circuit It include charge independence path with the second charging circuit.
Optionally, the first charging circuit in power supply 590 includes：The connection machine of charging port, secondary pcb board and main PCB plate Structure, 5V charhing unit, main PCB plate and battery unit bindiny mechanism, battery unit；Second charging circuit includes：Charging port, Bindiny mechanism, the battery unit of low-voltage, high-current charhing unit, secondary pcb board and battery unit.
Optionally, the bindiny mechanism of secondary pcb board and main PCB plate includes：First connector, the second connector, third connection Part；Wherein, the first connector is used for one end of auxiliary connection pcb board and the second connector；The other end of second connector passes through the Three connectors are connect with main PCB plate.
Optionally, battery unit includes battery protecting plate and battery；The bindiny mechanism of main PCB plate and battery unit is：With In the connector of connection main PCB plate and solar panel.
Optionally, battery unit includes battery protecting plate and battery；The bindiny mechanism of secondary pcb board and battery unit includes： 4th connector, the 5th connector, the 6th connector；Wherein, the 4th connector is for auxiliary connection pcb board and the 5th connector One end；The other end of 5th connector is connect by the 6th connector with battery protecting plate.
Optionally, the second connector is：Flexible printed circuit board.
Optionally, the 5th connector is：Flexible printed circuit board.
From the above, it can be seen that since the first charging circuit and the second charging circuit include charge independence path, no Same charging circuit can design different routing line widths, and the charging modes for being for smaller current, which may not need, utilizes larger electricity The corresponding routing line width of the charging modes of stream.Thus, the heating rate of charging circuit can be reduced using the embodiment of the present invention, from And reduce the interference to other signals.
Those of ordinary skill in the art may be aware that list described in conjunction with the examples disclosed in the embodiments of the present disclosure Member and algorithm steps can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually It is implemented in hardware or software, the specific application and design constraint depending on technical solution.Professional technician Each specific application can be used different methods to achieve the described function, but this realization is it is not considered that exceed The scope of the present invention.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description, The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In embodiment provided herein, it should be understood that disclosed device and method can pass through others Mode is realized.For example, the apparatus embodiments described above are merely exemplary, for example, the division of unit, only a kind of Logical function partition, there may be another division manner in actual implementation, such as multiple units or components can combine or can To be integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual Coupling, direct-coupling or communication connection can be through some interfaces, the indirect coupling or communication connection of device or unit, It can be electrical property, mechanical or other forms.
Unit may or may not be physically separated as illustrated by the separation member, shown as a unit Component may or may not be physical unit, it can and it is in one place, or may be distributed over multiple networks On unit.It can some or all of the units may be selected to achieve the purpose of the solution of this embodiment according to the actual needs.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit It is that each unit physically exists alone, can also be integrated in one unit with two or more units.
If function is realized in the form of SFU software functional unit and when sold or used as an independent product, can store In a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially in other words to existing Having the part for the part or the technical solution that technology contributes can be embodied in the form of software products, the computer Software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be personal meter Calculation machine, server or network equipment etc.) execute all or part of the steps of each embodiment method of the present invention.And it is above-mentioned Storage medium includes：The various media that can store program code such as USB flash disk, mobile hard disk, ROM, RAM, magnetic or disk.
More than, only a specific embodiment of the invention, but scope of protection of the present invention is not limited thereto, and it is any to be familiar with Those skilled in the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all cover Within protection scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (10)
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610617148.9A CN106160105B (en) | 2016-07-29 | 2016-07-29 | A kind of charging method and mobile terminal of mobile terminal |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610617148.9A CN106160105B (en) | 2016-07-29 | 2016-07-29 | A kind of charging method and mobile terminal of mobile terminal |
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| CN106160105A CN106160105A (en) | 2016-11-23 |
| CN106160105B true CN106160105B (en) | 2018-11-30 |
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| CN110474391A (en) * | 2019-08-09 | 2019-11-19 | Oppo广东移动通信有限公司 | Charging circuit and electronic equipment |
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| CN103311974A (en) * | 2012-03-12 | 2013-09-18 | 联想(北京)有限公司 | Battery charge control method and device |
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| CN104242397A (en) * | 2014-09-25 | 2014-12-24 | 联想(北京)有限公司 | Multi-battery quick charging circuit and method |
| CN104348222A (en) * | 2013-07-31 | 2015-02-11 | 奇诺沃公司 | Adaptive charging system and method for a battery using multiple charge circuits |
| CN104467104A (en) * | 2014-12-18 | 2015-03-25 | 江苏天安智联科技股份有限公司 | Vehicle-mounted USB intelligent charging device |
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| CN105720645A (en) * | 2016-04-11 | 2016-06-29 | 浙江德景电子科技有限公司 | Charging method, charging device and charger |
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- 2016-07-29 CN CN201610617148.9A patent/CN106160105B/en active IP Right Grant
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| CN103311974A (en) * | 2012-03-12 | 2013-09-18 | 联想(北京)有限公司 | Battery charge control method and device |
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