CN106849270A - Terminal and charging method - Google Patents
Terminal and charging method Download PDFInfo
- Publication number
- CN106849270A CN106849270A CN201710206365.3A CN201710206365A CN106849270A CN 106849270 A CN106849270 A CN 106849270A CN 201710206365 A CN201710206365 A CN 201710206365A CN 106849270 A CN106849270 A CN 106849270A
- Authority
- CN
- China
- Prior art keywords
- voltage
- charging
- battery
- conversion chip
- voltage conversion
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 30
- 238000006243 chemical reaction Methods 0.000 claims abstract description 122
- 230000005611 electricity Effects 0.000 claims description 20
- 230000000630 rising effect Effects 0.000 claims description 14
- 230000008859 change Effects 0.000 claims description 8
- 238000004891 communication Methods 0.000 description 5
- HEZMWWAKWCSUCB-PHDIDXHHSA-N (3R,4R)-3,4-dihydroxycyclohexa-1,5-diene-1-carboxylic acid Chemical compound O[C@@H]1C=CC(C(O)=O)=C[C@H]1O HEZMWWAKWCSUCB-PHDIDXHHSA-N 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000006399 behavior Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011895 specific detection Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- H02J7/008—
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
Terminal and its charging method are the embodiment of the invention provides, the charging method includes：When detecting charging equipment and being connected to terminal, the cell voltage of the terminal is obtained in real time；The charging voltage of the charging equipment is adjusted according to the cell voltage, and control first voltage conversion chip and the second voltage conversion chip execution voltage conversion operation corresponding with the charging voltage to be charged with to the battery, charging voltage is changed by setting two voltage conversion chips, reduce the temperature that each voltage conversion chip is produced during voltage conversion, and the voltage and current charged to battery according to charging voltage adjustment, realize the efficient quick charge to battery.
Description
Technical field
The present invention relates to charging technique field, more particularly to a kind of terminal and charging method.
Background technology
With the progress in epoch, internet and mobile radio communication provide the application of function of magnanimity.User can not only make
Traditional application is carried out with terminal, for example：Answered using smart mobile phone or called；Meanwhile, user can also use intelligent hand
Machine carries out web page browsing, picture transfer, game etc..Frequency of use along with terminal increases, and terminal needs often to charge.
In existing terminal, one piece of charging chip is inside provided with, after charging adapter is connected with electronic equipment, by this
Charging chip charges to the battery core of terminal, if carrying out high-voltage charging to battery core by the charging chip, can be because of high current
Charge and cause the local temperature rising of the charging chip and charge loss big.In sum, in the prior art in the presence of due to
High-voltage charging is carried out to battery core using monolithic charging chip causes the local temperature rising of charging chip and charge loss big
Problem.
The content of the invention
It is an object of the invention to provide a kind of terminal and charging method, the quick charge to battery core can be realized, make to fill
Electrical chip local temperature in high-voltage charging is low, and charge loss is small, improves the experience property of user.
The present invention is achieved in that first aspect present invention provides a kind of charging method, including：
When detecting charging equipment and being connected to terminal, the cell voltage of the terminal is obtained in real time；
The charging voltage of the charging equipment is adjusted according to the cell voltage, and controls first voltage conversion chip and the
Two voltage conversion chips perform the voltage conversion operation corresponding with the charging voltage and are charged with to the battery.
Second aspect present invention provides a kind of terminal, and the terminal includes controller, first voltage conversion chip, the second electricity
Pressure conversion chip and battery；
When the controller detects charging equipment is connected to terminal, the controller obtains the electricity of the battery in real time
Cell voltage；
The controller adjusts the charging voltage of the charging equipment according to the cell voltage, and controls first voltage to turn
Change chip and second voltage conversion chip performs the voltage conversion operation corresponding with the charging voltage and enters with to the battery
Row charges.
In embodiments of the present invention, the charging voltage of charging equipment is adjusted according to cell voltage, and controls first voltage to turn
Change chip and second voltage conversion chip performs the voltage conversion operation corresponding with charging voltage and charged with to battery, it is real
Show charging voltage has been changed by two voltage conversion chips, reduced each voltage conversion chip in voltage conversion mistake
The temperature produced in journey, and the voltage and current charged to battery according to charging voltage adjustment, realize to the fast of battery
Speed charges.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, below will be to embodiment or description of the prior art
Needed for the accompanying drawing to be used be briefly described, it should be apparent that, drawings in the following description are only more of the invention
Embodiment, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these
Accompanying drawing obtains other accompanying drawings.
Fig. 1 is the flow chart of the charging method that an embodiment of the present invention is provided；
Fig. 2 is the flow chart of the charging method that another kind embodiment of the invention is provided；
Fig. 3 is the structural representation of the terminal that another kind embodiment of the invention is provided；
Fig. 4 is the structural representation of the terminal that another kind embodiment of the invention is provided.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
In order to illustrate technical scheme, illustrated below by specific embodiment.
The embodiment of the present invention provides a kind of charging method, as shown in figure 1, the charging method includes：
Step S101. obtains the cell voltage of terminal in real time when detecting charging equipment and being connected to terminal.
In step S101, when charging equipment connect terminal when, can by detect terminal charging inlet voltage whether
Change detection of the realization to charging equipment and terminal connection status, it is also possible to is led to by interface by with charging equipment
The link information of acquisition charging equipment is believed to realize detecting the connection status of charging equipment and terminal, it is specific to detect the mode for connecting
Have various, do not limit herein.
In step S101, the cell voltage that terminal is obtained in real time can be using the voltage acquisition unit by being connected with battery
Part is obtained, it would however also be possible to employ is carried out communication with the power management chip of battery and is obtained, specifically obtains cell voltage
Mode have various, do not limit herein.
Step S102. according to cell voltage adjust charging equipment charging voltage, and control first voltage conversion chip and
Second voltage conversion chip performs the voltage conversion operation corresponding with charging voltage and is charged with to battery.
In step s 102, the state of charge regulation charging that detected battery voltage value obtains present battery can be passed through
The output voltage of equipment, the adjustment to the output voltage of charging equipment can be closed according to the size of cell voltage and voltage preset value
System is adjusted, i.e., there is corresponding relation between the charging voltage of cell voltage and charging equipment, when cell voltage is smaller, adjusts
The charging voltage High voltage output of whole charging equipment, such as 9V, when cell voltage is larger, the charging voltage for adjusting charging equipment is low
Pressure output, such as 5V；Adjustment to the charging voltage of charging equipment can be such that terminal is sent according to Handshake Protocol with charging equipment
Voltage adjustment information carries out voltage adjustment, and terminal sends voltage and adjusts letter by the communications pins of charging inlet to charging equipment
Number, charging equipment is that high voltage is exported or low-voltage output according to voltage adjustment letter signal convert charging voltage.
In step s 102, two voltage conversion chips can be set respectively to the high voltage and low electricity of charging equipment output
Pressure carries out voltage conversion, certainly according to voltage conversion demand, it is also possible to set multiple voltage conversion chips respectively to charging equipment
The voltage of output is changed, and is worked when each voltage conversion chip is different, it is possible to achieve reduce the temperature of chip；The present embodiment
In set first voltage conversion chip and second voltage conversion chip one of them can be DCDC voltage conversion chips, separately
One can be step-down conversion chip, certainly, voltage transformation and the buck functionality such as each chip will can also have simultaneously；According to
The size of charging voltage implements different voltage conversion operations, and when charging voltage is high voltage, now cell voltage is smaller, needs
Large current charge is carried out to battery, voltage conversion operation is step-down conversion operation, because input power is certain, when being depressured
During operation, it is possible to achieve improve the charging current of battery to carry out large current charge；It is now electric when charging voltage is low-voltage
Cell voltage is larger, it is necessary to carry out low current charge to battery, because input power is certain, when the output for being adjusted charging equipment
Voltage and when the voltage-converting operation such as carrying out, it is possible to achieve reduce the charging current of battery to carry out low current charge.
As a kind of implementation method of step S102, the charging voltage of charging equipment is adjusted according to cell voltage, and controlled
First voltage conversion chip and second voltage conversion chip perform the voltage conversion corresponding with charging voltage and operate with to battery
Charged, including：
When cell voltage is less than voltage preset value, the charging voltage for adjusting charging equipment is the first charging voltage, and is controlled
First voltage conversion chip processed charges after first charging voltage is carried out into reduced pressure operation to battery；
When cell voltage is more than or equal to voltage preset value, it is the second charging electricity to adjust the charging voltage of charging equipment
Pressure, and control second voltage conversion chip to be charged to battery after the second charging voltage is carried out etc. into voltage-converting operation, its
In, the first charging voltage is more than the second charging voltage.
Based on the embodiment of the present invention, the charging voltage of charging equipment is adjusted according to cell voltage, and control first voltage to turn
Change chip and second voltage conversion chip performs the voltage conversion operation corresponding with charging voltage and charged with to battery, it is real
Show charging voltage has been changed by two voltage conversion chips, reduced each voltage conversion chip in voltage conversion mistake
The temperature produced in journey, and the voltage and current charged to battery according to charging voltage adjustment, realize to the fast of battery
Speed charges.
Another kind embodiment of the invention provides a kind of charging method, as shown in Fig. 2 the charging method includes：
Step S201. obtains the cell voltage of terminal in real time when detecting charging equipment and being connected to terminal.
The step is identical with step S101, for details, reference can be made to the associated description of step S101, will not be repeated here.
Step S202. control second voltage conversion chip the initial charge voltage of charging equipment is changed after to battery
Charged.
In step S202, initial voltage can be exported when charging equipment just connects terminal, the initial voltage can be to fill
The output voltage of electric equipment setting, such as 5V now, due to just proceeding by charging, can enter second voltage conversion chip
Row voltage conversion, for example, still export 5V voltages and charge the battery.
Step S203. adjusts the charging voltage of charging equipment for first charges when cell voltage is less than voltage preset value
Voltage, control first voltage conversion chip carries out the first charging voltage to charge battery after voltage halves operation, and controls
Second voltage conversion chip processed is stopped.
In step S203, when cell voltage is less than voltage preset value, can now large current charge be carried out to battery,
To realize the quick charge to battery, when the charging voltage for adjusting charging equipment is the first charging voltage, charging equipment output
Electric current be the first electric current, the first charging voltage is halved by controlling first voltage conversion chip, can obtain to electricity
The electric current that pond is charged is the twice of the first electric current, can carry out large current charge to battery, is realized to the quick of battery
Efficiently charge.
When detecting cell voltage and gradually rising, the charging current for adjusting charging equipment makes it gradually subtract to step S204.
It is small.
In step S204, during being charged to battery, the voltage of battery can gradually rise, in order to avoid right
Battery is overcharged, and is communicated by with charging equipment, and the charging current for adjusting charging equipment is gradually reduced it, and then is adjusted
The whole circuit charged to battery reduces it, realizes the security charged to battery.
Step S205. adjusts the charging electricity of charging equipment when detecting cell voltage and gradually rising to voltage preset value
It is the second charging voltage to press, and controls the second voltage conversion chip to carry out etc. after voltage-converting operation to electricity the second charging voltage
Pond is charged, and controls first voltage conversion chip to be stopped.
In step S205, wherein, voltage preset value is according to specific project demand and specific battery battery core type
Number, drawn after adapted and test, when cell voltage reaches voltage preset value, illustrate that battery is soon filled with, now
Need to be converted to high voltage-small current and battery is charged.
The embodiment of the present invention is specifically described by taking the charging voltage that charging equipment can export 5V and 9V as an example below：
Wherein, charging method of the invention is applied in terminal, charging equipment is charging voltage and charging current adjustable charger, the
One voltage conversion chip is voltage half point chip, and second voltage conversion chip is high pressure DC/DC charging chips, is set when using charging
It is standby when being charged to mobile terminal or portable electronics with above-mentioned high pressure DC/DC charging chips and voltage half point chip, can be with
Using the 2A charging wires or the 2A charging wires of general T ype_C interfaces of 5PIN_USB interfaces, when mobile terminal or portable electronics are inserted
Set up by Handshake Protocol when entering charging wire, between controller and charging equipment and communicated, now charging equipment exports 5V's first
Charging voltage, controller opens high pressure DC/DC charging chips makes its charging voltage to charging equipment output be changed with right
Battery is charged, and cell voltage is read by controller, and when cell voltage is less than voltage preset value, controller sets with charging
It is standby to be realized communicating according to Handshake Protocol, voltage conversion signal is sent to charging equipment, charging equipment is boosted, realize charging
Boost conversion of the charging voltage of equipment output from 5V to 9V, when the charging voltage of charging equipment boosts to 9V, controller is beaten
Open voltage half point chip, and high pressure DC/DC charging chips are closed, voltage half point chip is carried out the charging voltage of charging equipment
Change and start to charge battery, due to the output of now charging equipment be 9V charging voltage and 2A charging currents,
Carried out through overvoltage half point chip after voltage halves, the charging voltage of battery-end is changed into 4.5V, and charging current is changed into 4A, Ke Yishi
Battery is directly charged by high current now, being charged to battery rapidly and efficiently is realized, charge efficiency is improve,
Charge loss is reduced while avoiding the occurrence of the too high situation of charging chip temperature.The controller reality during being charged to battery
When read cell voltage, the charging current exported by communication real-time regulation charging equipment between charging equipment, with electricity
The rising of cell voltage, controls the charging current of charging equipment to reduce therewith, now right when cell voltage reaches voltage preset value
The charging current of battery also becomes very little, and controller opens high pressure DC/DC charging chips, closes voltage half point chip, same to time control
The charging voltage of charging equipment device output processed is reduced to 5V from 9V, is continued to charge with high pressure DCDC charging chips, until battery is full of
Untill.
The embodiment of the present invention when being charged to battery by detecting cell voltage, when cell voltage is default less than voltage
During value, control the charging voltage that charging equipment is exported for high pressure, and switch to voltage half point chip to halve output voltage,
Realization is directly charged by high current to battery, when cell voltage is higher than voltage preset value, is switched to high pressure DCDC and is filled
Electrical chip is charged, and the efficiency high when charging method is charged using voltage half point chip to battery reaches 98%, is saved
Charging interval and charge loss.
Another kind embodiment of the invention provides a kind of terminal 30, as shown in figure 3, terminal 30 includes the electricity of controller 301, first
Pressure conversion chip 302, second voltage conversion chip 303 and battery 304；
When controller 301 detects charging equipment 40 is connected to terminal 30, controller 301 obtains battery 304 in real time
The voltage of battery 304；
Controller 301 controls first voltage to change core according to the charging voltage of the voltage-regulation charging equipment 40 of battery 304
Piece 302 and second voltage conversion chip 303 perform the voltage conversion operation corresponding with charging voltage and are filled with to battery 304
Electricity.
In the embodiment of the present invention, when charging equipment 40 connects terminal 30, can be by detecting the charging inlet of terminal 30
Whether 305 voltages change the detection realized to charging equipment 40 and the connection status of terminal 30, it is also possible to set by with charging
Standby 40 carry out communication by interface obtains the link information of charging equipment 40 to realize detecting the company of charging equipment 40 and terminal 30
State is connect, the mode of specific detection connection has various, does not limit herein.
In the embodiment of the present invention, set first voltage conversion chip 302 and second voltage conversion chip 303 wherein
Individual can be voltage conversion chip, and another can be step-down conversion chip, and certainly, each chip will can also simultaneously have electricity
Buckling is changed and buck functionality；Size according to cell voltage implements different voltage conversions operations, when detecting the voltage of battery 304
, it is necessary to carry out high current quick charge to battery 304 when smaller, it is high pressure to control the charging voltage that charging equipment is exported, now,
It is step-down conversion operation to the operation of the voltage conversion of charging voltage, because input power is certain, when reduced pressure operation is carried out, can be with
Realize improving the charging current of battery 304 to carry out large current charge；By the quick charge to battery 304, when detecting electricity
, it is necessary to carry out low current charge to battery 304 when the voltage of pond 304 is larger, it is low pressure to control the charging voltage that charging equipment is exported,
Because input power is certain, when the output voltage for being adjusted charging equipment and when the voltage-converting operation such as carrying out, it is possible to achieve
The charging current of battery 304 is reduced to carry out low current charge.
Used as a kind of implementation method, when controller 301 detects the voltage of battery 304 less than voltage preset value, regulation is filled
The charging voltage of electric equipment 40 is the first charging voltage, and controls the first voltage conversion chip 302 to carry out the first charging voltage
Battery 304 is charged after reduced pressure operation；
When controller 301 detects the voltage of battery 304 more than or equal to voltage preset value, regulation charging equipment 40
Charging voltage is the second charging voltage, and controls the second voltage conversion chip 303 second charging voltage is carried out etc. into voltage transformation
Battery 304 is charged after operation, wherein, the first charging voltage is more than the second charging voltage.
Based on the embodiment of the present invention, controller 301 according to the charging voltage of the voltage-regulation charging equipment 40 of battery 304, and
Control first voltage conversion chip 302 and second voltage conversion chip 303 perform the voltage conversion behaviour corresponding with charging voltage
Work charges with to battery 304, and the size according to cell voltage uses rational charging scheme, improves charge efficiency, drops
Low charge loss and charging interval, while.
Further, after the first charging voltage is carried out reduced pressure operation by the control first voltage of controller 301 conversion chip 302
Battery 304 is charged, specially：
First charging voltage is carried out voltage and halved after operation to electricity by the control of controller 301 first voltage conversion chip 302
Charged in pond 304.
Wherein, above-mentioned first voltage conversion chip 302 can use DA9313, realize halving the voltage of charging voltage
Treatment, naturally it is also possible to there is the chip of similar functions using other, do not limit herein.
Further, after the first charging voltage is carried out reduced pressure operation by the control first voltage of controller 301 conversion chip 302
Battery 304 is charged, is additionally operable to afterwards：
When detecting the voltage of battery 304 and gradually rising, the charging current for adjusting charging equipment 40 is gradually reduced it.
Further, when controller 301 detects the voltage of battery 304 to be gradually risen, the charging of charging equipment 40 is adjusted
Electric current is gradually reduced it, is additionally operable to afterwards：
When detecting the voltage of battery 304 and gradually rising to voltage preset value, the charging voltage for adjusting charging equipment 40 is
Second charging voltage, and control the second voltage conversion chip 303 to carry out etc. after voltage-converting operation to electricity the second charging voltage
Pond 304 is charged, and controls first voltage conversion chip 302 to be stopped.
The charging voltage of the regulation charging equipment 40 when cell voltage is less than voltage preset value of controller 301 charges for first
Also include before voltage：
Control second voltage conversion chip 303 is carried out after being changed to the initial charge voltage of charging equipment 40 to battery
Charge；
The control of controller 301 first voltage conversion chip 302 carries out after reduced pressure operation to battery 304 first charging voltage
Also include after being charged：
Control second voltage conversion chip 303 is stopped.
The specific work process of module in above-mentioned terminal, may be referred to the corresponding process in preceding method embodiment, herein
Repeat no more.
As shown in figure 4, being a kind of terminal schematic block diagram that another kind embodiment of the invention is provided.This reality as depicted
Applying the terminal in example can include：One or more processors 610；One or more input equipments 620, one or more outputs
Equipment 630 and memory 640.Above-mentioned processor 610, input equipment 620, output equipment 630 and memory 640 pass through bus
650 connections.
Memory 640 is instructed for storage program.
The programmed instruction that processor 610 is used to be stored according to memory 640 performs following operation：
When processor 610 is connected to terminal for detecting charging equipment, the real-time cell voltage for obtaining terminal, and according to
Cell voltage adjusts the charging voltage of charging equipment, and control first voltage conversion chip and second voltage conversion chip perform with
The corresponding voltage conversion operation of charging voltage is charged with to battery.
Further, processor 610 is additionally operable to, when the cell voltage is less than voltage preset value, adjust the charging and set
Standby charging voltage is the first charging voltage, and controls the first voltage conversion chip to be dropped first charging voltage
The battery is charged after press operation；
Or, processor 610 is additionally operable to, when the cell voltage is more than or equal to voltage preset value, be filled described in regulation
The charging voltage of electric equipment is the second charging voltage, and controls the second voltage conversion chip to enter second charging voltage
The battery is charged after the voltage-converting operations such as row, wherein, first charging voltage charges electric more than described second
Pressure；
Or, processor 610 is additionally operable to control the first voltage conversion chip first charging voltage is carried out into electricity
Pressure charges after halving operation to the battery；
Or, processor 610 is additionally operable to, when detecting the cell voltage and gradually rising, adjust the charging equipment
Charging current is gradually reduced it；
Or, processor 610 is additionally operable to, when detecting the cell voltage and gradually rising to the voltage preset value, adjust
The charging voltage of the charging equipment is saved for the second charging voltage, and controls the second voltage conversion chip to be filled described second
Piezoelectric voltage the battery is charged after waiting voltage-converting operation, and controls the first voltage conversion chip to stop work
Make；
Or, processor 610 is additionally operable to adjust the charging equipment when the cell voltage is less than voltage preset value
Charging voltage controls second voltage conversion chip to enter the initial charge voltage of the charging equipment before being the first charging voltage
The battery is charged after row conversion；
Or, processor 610 is additionally operable to control the first voltage conversion chip to be dropped first charging voltage
The second voltage conversion chip is controlled to be stopped after being charged to the battery after press operation.
It should be appreciated that in embodiments of the present invention, alleged processor 610 can be CPU (Central
Processing Unit, CPU), the processor can also be other general processors, digital signal processor (Digital
Signal Processor, DSP), application specific integrated circuit (Application Specific Integrated Circuit,
ASIC), ready-made programmable gate array (Field-Programmable Gate Array, FPGA) or other FPGAs
Device, discrete gate or transistor logic, discrete hardware components etc..General processor can be microprocessor or this at
Reason device can also be any conventional processor etc..
Input equipment 620 can be including charging equipment, Trackpad, microphone, wearable device etc., and output equipment 630 can
With including display (LCD etc.), loudspeaker etc..
The memory 640 can include read-only storage and random access memory, and to processor 610 provide instruction and
Data.The a part of of memory 640 can also include nonvolatile RAM.For example, memory 640 can also be deposited
Store up the information of device type.
In implementing, processor 610, input equipment 620 described in the embodiment of the present invention, output equipment 630 can
Implementation described in the above-described embodiment for the charging method for performing terminal provided in an embodiment of the present invention, also can perform this
The implementation of the terminal described by inventive embodiments, will not be repeated here.
Those of ordinary skill in the art are further appreciated that all or part of step realized in above-described embodiment method is can
Completed with the hardware that correlation is instructed by program, program can in be stored in a computer read/write memory medium,
Storage medium, including ROM/RAM, disk, CD etc..
Elements/steps in embodiment of the present invention terminal can according to actual needs be merged, divide and deleted.
Above content is to combine specific preferred embodiment further description made for the present invention, it is impossible to assert
Specific implementation of the invention is confined to these explanations.For general technical staff of the technical field of the invention,
Some equivalent substitutes or obvious modification are made on the premise of not departing from present inventive concept, and performance or purposes are identical, all should
It is considered as belonging to the scope of patent protection that the claims of the present invention by being submitted to determine.
Claims (12)
1. a kind of charging method, it is characterised in that the charging method includes：
When detecting charging equipment and being connected to terminal, the cell voltage of the terminal is obtained in real time；
The charging voltage of the charging equipment is adjusted according to the cell voltage, and controls first voltage conversion chip and the second electricity
Pressure conversion chip performs the voltage conversion operation corresponding with the charging voltage and is charged with to the battery.
2. charging method as claimed in claim 1, it is characterised in that the charging equipment is adjusted according to the cell voltage
Charging voltage, and control first voltage conversion chip and second voltage conversion chip to perform the electricity corresponding with the charging voltage
Pressure conversion operation charges with to the battery, including：
When the cell voltage is less than voltage preset value, the charging voltage for adjusting the charging equipment is the first charging voltage,
And control the first voltage conversion chip to be charged to the battery after first charging voltage is carried out into reduced pressure operation；
When the cell voltage is more than or equal to voltage preset value, the charging voltage of the charging equipment is adjusted for second fills
Piezoelectric voltage, and control the second voltage conversion chip to carry out etc. after voltage-converting operation to described second charging voltage
Battery is charged, wherein, first charging voltage is more than second charging voltage.
3. charging method as claimed in claim 2, it is characterised in that the control first voltage conversion chip is by described first
Charging voltage charges after carrying out reduced pressure operation to the battery, including：
Controlling the first voltage conversion chip carries out first charging voltage to enter the battery after voltage halves operation
Row charges.
4. charging method as claimed in claim 2, it is characterised in that the control first voltage conversion chip is by described first
Charging voltage charges after carrying out reduced pressure operation to the battery, also includes afterwards：
When detecting the cell voltage and gradually rising, the charging current for adjusting the charging equipment is gradually reduced it.
5. charging method as claimed in claim 4, it is characterised in that when detecting the cell voltage and gradually rising, adjust
Saving the charging current of the charging equipment is gradually reduced it, also includes afterwards：
When detecting the cell voltage and gradually rising to the voltage preset value, the charging voltage of the charging equipment is adjusted
It is the second charging voltage, after controlling the second voltage conversion chip to carry out waiting voltage-converting operation by second charging voltage
The battery is charged, and controls the first voltage conversion chip to be stopped.
6. charging method as claimed in claim 2, it is characterised in that when the cell voltage is less than voltage preset value, adjust
The charging voltage of the charging equipment is saved for the first charging voltage, is also included before：
Control second voltage conversion chip is carried out after being changed to the initial charge voltage of the charging equipment to the battery
Charge；
The battery is filled after controlling the first voltage conversion chip first charging voltage being carried out into reduced pressure operation
Electricity, also includes afterwards：
The second voltage conversion chip is controlled to be stopped.
7. a kind of terminal, it is characterised in that the terminal includes controller, first voltage conversion chip, second voltage conversion core
Piece and battery；
When the controller detects charging equipment is connected to terminal, the controller obtains the battery electricity of the battery in real time
Pressure；
The controller adjusts the charging voltage of the charging equipment according to the cell voltage, and controls first voltage to change core
Piece and second voltage conversion chip perform the voltage conversion operation corresponding with the charging voltage and are filled with to the battery
Electricity.
8. terminal as claimed in claim 7, it is characterised in that when the controller detects the cell voltage less than voltage
During preset value, the charging voltage for adjusting the charging equipment is the first charging voltage, and controls the first voltage conversion chip
The battery is charged after first charging voltage is carried out into reduced pressure operation；
When the controller detects the cell voltage more than or equal to voltage preset value, the charging equipment is adjusted
Charging voltage is the second charging voltage, and controls the second voltage conversion chip second charging voltage is carried out etc. into voltage
The battery is charged after map function, wherein, first charging voltage is more than second charging voltage.
9. terminal as claimed in claim 8, it is characterised in that the controller controls the first voltage conversion chip by institute
The battery is charged after stating the first charging voltage and carrying out reduced pressure operation, specially：
The controller control the first voltage conversion chip by first charging voltage carry out voltage halve it is right after operation
The battery is charged.
10. terminal as claimed in claim 8, it is characterised in that the controller controls the first voltage conversion chip will
First charging voltage be additionally operable to after being charged to the battery after reduced pressure operation：
When detecting the cell voltage and gradually rising, the charging current for adjusting the charging equipment is gradually reduced it.
11. terminals as claimed in claim 10, it is characterised in that the controller detects the cell voltage and gradually rises
When adjust the charging equipment charging current make its be gradually reduced after be additionally operable to：
When detecting the cell voltage and gradually rising to the voltage preset value, the charging voltage of the charging equipment is adjusted
It is the second charging voltage, and controls the second voltage conversion chip second charging voltage is carried out etc. into voltage-converting operation
The battery is charged afterwards, and controls the first voltage conversion chip to be stopped.
12. terminals as claimed in claim 8, it is characterised in that the controller is default less than voltage in the cell voltage
The charging voltage of the charging equipment is adjusted during value also to include before the first charging voltage：
Control second voltage conversion chip is carried out after being changed to the initial charge voltage of the charging equipment to the battery
Charge；
The controller controls the first voltage conversion chip to carry out after reduced pressure operation to described first charging voltage
Battery also includes after being charged：
The second voltage conversion chip is controlled to be stopped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710206365.3A CN106849270A (en) | 2017-03-31 | 2017-03-31 | Terminal and charging method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710206365.3A CN106849270A (en) | 2017-03-31 | 2017-03-31 | Terminal and charging method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106849270A true CN106849270A (en) | 2017-06-13 |
Family
ID=59142105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710206365.3A Pending CN106849270A (en) | 2017-03-31 | 2017-03-31 | Terminal and charging method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106849270A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107357747A (en) * | 2017-06-30 | 2017-11-17 | 维沃移动通信有限公司 | A kind of recognition methods of interfaces for external devices and mobile terminal |
| CN108847699A (en) * | 2018-07-03 | 2018-11-20 | 北京小米移动软件有限公司 | Charging method and electronic equipment |
| CN109687545A (en) * | 2018-12-06 | 2019-04-26 | Oppo广东移动通信有限公司 | Charge control method, device, computer storage medium and mobile power source |
| CN109980703A (en) * | 2017-12-27 | 2019-07-05 | 立锜科技股份有限公司 | Charge control method and charging unit and charging circuit therein |
| CN111478833A (en) * | 2020-04-30 | 2020-07-31 | Oppo广东移动通信有限公司 | User terminal equipment |
| CN111490567A (en) * | 2019-01-28 | 2020-08-04 | 青岛海信移动通信技术股份有限公司 | Mobile terminal and power supply control method thereof |
| CN112540644A (en) * | 2019-09-23 | 2021-03-23 | 苏明晨 | Portable interface that charges suitable for notebook computer |
| WO2021052395A1 (en) * | 2019-09-18 | 2021-03-25 | 深圳市道通科技股份有限公司 | Charging device, charging method, and electronic device |
| CN113364067A (en) * | 2020-03-03 | 2021-09-07 | 荣耀终端有限公司 | Charging precision calibration method and electronic equipment |
| CN114052775A (en) * | 2020-07-29 | 2022-02-18 | 深圳迈瑞生物医疗电子股份有限公司 | Power supply device of ultrasonic imaging equipment, ultrasonic imaging system and ultrasonic imaging equipment |
| CN114052774A (en) * | 2020-07-29 | 2022-02-18 | 深圳迈瑞生物医疗电子股份有限公司 | Power supply device of ultrasonic imaging equipment and ultrasonic imaging system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1521915A (en) * | 2003-02-13 | 2004-08-18 | 飞瑞股份有限公司 | Renewable energy resource deflector having multiple function mode |
| CN101546919A (en) * | 2009-01-21 | 2009-09-30 | 炬力集成电路设计有限公司 | Method and device for charging battery |
| CN103580255A (en) * | 2013-11-19 | 2014-02-12 | 惠州Tcl移动通信有限公司 | Quick charging terminal |
| CN107104495A (en) * | 2017-07-05 | 2017-08-29 | 保力新能源科技(东莞)有限公司 | Charger |
-
2017
- 2017-03-31 CN CN201710206365.3A patent/CN106849270A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1521915A (en) * | 2003-02-13 | 2004-08-18 | 飞瑞股份有限公司 | Renewable energy resource deflector having multiple function mode |
| CN101546919A (en) * | 2009-01-21 | 2009-09-30 | 炬力集成电路设计有限公司 | Method and device for charging battery |
| CN103580255A (en) * | 2013-11-19 | 2014-02-12 | 惠州Tcl移动通信有限公司 | Quick charging terminal |
| CN107104495A (en) * | 2017-07-05 | 2017-08-29 | 保力新能源科技(东莞)有限公司 | Charger |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107357747B (en) * | 2017-06-30 | 2020-02-28 | 维沃移动通信有限公司 | Identification method of external equipment interface and mobile terminal |
| CN107357747A (en) * | 2017-06-30 | 2017-11-17 | 维沃移动通信有限公司 | A kind of recognition methods of interfaces for external devices and mobile terminal |
| CN109980703A (en) * | 2017-12-27 | 2019-07-05 | 立锜科技股份有限公司 | Charge control method and charging unit and charging circuit therein |
| CN108847699A (en) * | 2018-07-03 | 2018-11-20 | 北京小米移动软件有限公司 | Charging method and electronic equipment |
| US11159037B2 (en) | 2018-07-03 | 2021-10-26 | Beijing Xiaomi Mobile Software Co., Ltd. | Charging method and electronic device |
| CN108847699B (en) * | 2018-07-03 | 2020-11-20 | 北京小米移动软件有限公司 | Charging method and electronic device |
| CN109687545A (en) * | 2018-12-06 | 2019-04-26 | Oppo广东移动通信有限公司 | Charge control method, device, computer storage medium and mobile power source |
| CN111490567A (en) * | 2019-01-28 | 2020-08-04 | 青岛海信移动通信技术股份有限公司 | Mobile terminal and power supply control method thereof |
| WO2021052395A1 (en) * | 2019-09-18 | 2021-03-25 | 深圳市道通科技股份有限公司 | Charging device, charging method, and electronic device |
| CN112540644A (en) * | 2019-09-23 | 2021-03-23 | 苏明晨 | Portable interface that charges suitable for notebook computer |
| CN113364067A (en) * | 2020-03-03 | 2021-09-07 | 荣耀终端有限公司 | Charging precision calibration method and electronic equipment |
| CN113364067B (en) * | 2020-03-03 | 2022-08-05 | 荣耀终端有限公司 | Charging precision calibration method and electronic equipment |
| CN111478833A (en) * | 2020-04-30 | 2020-07-31 | Oppo广东移动通信有限公司 | User terminal equipment |
| CN111478833B (en) * | 2020-04-30 | 2022-03-01 | Oppo广东移动通信有限公司 | User terminal equipment |
| CN114052775A (en) * | 2020-07-29 | 2022-02-18 | 深圳迈瑞生物医疗电子股份有限公司 | Power supply device of ultrasonic imaging equipment, ultrasonic imaging system and ultrasonic imaging equipment |
| CN114052774A (en) * | 2020-07-29 | 2022-02-18 | 深圳迈瑞生物医疗电子股份有限公司 | Power supply device of ultrasonic imaging equipment and ultrasonic imaging system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106849270A (en) | Terminal and charging method | |
| CN106787055B (en) | A kind of charging circuit, system, method and terminal | |
| CN207625303U (en) | Quickly charging battery system | |
| CN103984658B (en) | Universal serial bus device | |
| CN108233460B (en) | Charging method, charging device and terminal equipment | |
| US11394211B2 (en) | Charging method and apparatus for multiple cells, and electronic device | |
| WO2016101509A1 (en) | Charging control method and device | |
| CN103532187B (en) | Charger, charging wire, charging system and charging method | |
| CN103219770A (en) | Mobile terminal with multi-port charging control function | |
| CN103647318B (en) | Communicating terminal, charge control method, device and circuit | |
| CN103580255A (en) | Quick charging terminal | |
| CN113009995B (en) | Power supply device and power supply method | |
| CN108599281A (en) | a kind of mobile terminal and charging method | |
| CN110138022A (en) | Charging unit, battery charge controller, terminal device and charging method | |
| CN103560550A (en) | Device capable of simultaneously conducting power supplying and charging on mobile electronic device | |
| CN110970956A (en) | Charging method, electronic device, charging device and charging system | |
| CN109428352A (en) | electronic device and charging method thereof | |
| CN106451599A (en) | Charging method and charging system | |
| CN105321477A (en) | Electronic paper device and driving method thereof | |
| WO2018032503A1 (en) | Power adapter, terminal device, charging system, and charging method | |
| CN104600384A (en) | Charging method, charging device and related device | |
| US20140042984A1 (en) | Electronic apparatus and charging control method | |
| CN107967041A (en) | A kind of power on configuration control method of more FPGA | |
| CN106410871B (en) | Power-supply management system and method | |
| CN104467119B (en) | Charging method and device, charger, equipment to be charged and charging method of equipment to be charged |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170613 |