CN106786994A - A kind of charging method, charger and mobile terminal - Google Patents
A kind of charging method, charger and mobile terminal Download PDFInfo
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- CN106786994A CN106786994A CN201710089978.3A CN201710089978A CN106786994A CN 106786994 A CN106786994 A CN 106786994A CN 201710089978 A CN201710089978 A CN 201710089978A CN 106786994 A CN106786994 A CN 106786994A
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- charger
- mobile terminal
- control signal
- controller
- charging voltage
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- 238000000034 method Methods 0.000 title claims abstract description 41
- 230000005540 biological transmission Effects 0.000 claims abstract description 16
- 238000011084 recovery Methods 0.000 claims description 20
- 238000001514 detection method Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 abstract description 18
- 230000003647 oxidation Effects 0.000 abstract description 10
- 238000007254 oxidation reaction Methods 0.000 abstract description 10
- 238000005260 corrosion Methods 0.000 abstract description 8
- 230000007797 corrosion Effects 0.000 abstract description 8
- 101100236764 Caenorhabditis elegans mcu-1 gene Proteins 0.000 description 27
- 239000012535 impurity Substances 0.000 description 10
- 238000012544 monitoring process Methods 0.000 description 9
- 238000012545 processing Methods 0.000 description 8
- 238000003860 storage Methods 0.000 description 8
- 230000006870 function Effects 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- 238000004891 communication Methods 0.000 description 6
- 230000001360 synchronised effect Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000004549 pulsed laser deposition Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- KLDZYURQCUYZBL-UHFFFAOYSA-N 2-[3-[(2-hydroxyphenyl)methylideneamino]propyliminomethyl]phenol Chemical compound OC1=CC=CC=C1C=NCCCN=CC1=CC=CC=C1O KLDZYURQCUYZBL-UHFFFAOYSA-N 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
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Classifications
-
- 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
- H02J7/0031—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using battery or load disconnect circuits
-
- H02J7/0086—
-
- 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
- H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
- H02J7/00034—Charger exchanging data with an electronic device, i.e. telephone, whose internal battery is under charge
-
- 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
- H02J7/00302—Overcharge protection
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention provides a kind of charging method, charger and mobile terminal, and the charger includes the first CPU and controller, wherein：First CPU for detecting whether receive mobile terminal transmission cut-offing instruction, if detecting the cut-offing instruction, export the first control signal to the controller；The controller is used to control the charger to stop output charging voltage according to first control signal.After mobile terminal charging complete, cut-offing instruction can be sent to charger, charger can stop exporting charging voltage after receiving this cut-offing instruction, so the USB connector of mobile terminal would not be in the state for being persistently coupled with power supply, the risk leaked electricity between reducing the pin inside USB connector, and then prevent the USB connector of mobile terminal to be accelerated corrosion oxidation in the energized state, extend the service life of USB connector.
Description
Technical field
The present invention relates to the communications field, more particularly to a kind of charging method, charger and mobile terminal.
Background technology
At present, user often forgets about and extracts power supply in time when being charged to mobile terminal.The electricity one of mobile terminal
As can be just full of within 3 hours, after filling soon, complete charge time it is shorter, it might even be possible to less than 100
Minute.After mobile terminal charging complete, if without extracting power supply in time, then in the ensuing time, mobile terminal
Connector is constantly in and is coupled with power supply USB (USB, Universal Serial Bus), but the shape not charged
State.
Under normal circumstances, the USB connector of mobile terminal is easily accessible ionic impurity, such as dust, fiber, metal particle
Or sweat etc..In the presence of having ionic impurity in USB connector, can cause USB connector metal parts be corroded and
Oxidation, and when the USB connector of mobile terminal is constantly in the state for being coupled with power supply, the presence of ionic impurity can cause
The USB connector electric leakage of mobile terminal, so, ionic impurity can accelerate to mobile terminal in the presence of having electric current
The corrosion and oxidation of USB connector, reduce the service life of the USB connector of mobile terminal.Therefore prior art is present to shifting
USB connector can be corroded the problem of oxidation when dynamic terminal is charged.
The content of the invention
The embodiment of the present invention provides a kind of charging method, charger and mobile terminal, with solve prior art presence to
USB connector can be corroded the problem of oxidation when mobile terminal is charged.
In a first aspect, the embodiment of the invention provides a kind of charger, the charger includes the first CPU
And controller, wherein：
First CPU for detecting whether receive mobile terminal transmission cut-offing instruction, if detecting
The cut-offing instruction, then export the first control signal to the controller；
The controller is used to control the charger to stop output charging voltage according to first control signal.
Second aspect, the embodiment of the present invention also provides a kind of mobile terminal, and the mobile terminal includes the second center treatment
Unit and battery component, wherein：
If the mobile terminal is established with charger being connected, second CPU detects the battery pack
Whether the voltage of part is higher than preset first threshold value, if detecting the voltage of the battery component higher than the preset first threshold value,
Cut-offing instruction then is sent to the charger, so that the charger stops output charging voltage according to the cut-offing instruction.
The third aspect, the embodiment of the present invention also provides a kind of charging method, is applied to charger, and the charger includes control
Device processed, including：
Detect whether to receive the cut-offing instruction that mobile terminal sends；
If detecting the cut-offing instruction, the first control signal to the controller is exported, so that the controller root
The charger is controlled to stop output charging voltage according to first control signal.
Fourth aspect, the embodiment of the present invention also provides a kind of charging method, is applied to mobile terminal, including：
If the mobile terminal is established with charger being connected, detect the voltage of battery component whether higher than default first threshold
Value；
If detecting the voltage of the battery component higher than the preset first threshold value, sent to the charger and powered off
Instruction, so that the charger stops output charging voltage according to the cut-offing instruction.
So, in the embodiment of the present invention, the charger includes the first CPU and controller, wherein：It is described
First CPU for detecting whether receive mobile terminal transmission cut-offing instruction, if detect it is described power-off refer to
Order, then export the first control signal to the controller；The controller is used for according to first control signal control
Charger stops output charging voltage.After mobile terminal charging complete, cut-offing instruction can be sent to charger, charger is received
Can stop exporting charging voltage after this cut-offing instruction, the USB connector of such mobile terminal would not be in and persistently be coupled with
The state of power supply, the risk leaked electricity between reducing the pin inside USB connector, and then prevent the USB connector of mobile terminal
Corrosion oxidation is accelerated in the energized state, extends the service life of USB connector.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, below will be to needed for embodiment of the present invention description
The accompanying drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention,
For those of ordinary skill in the art, without having to pay creative labor, can also be obtained according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is a kind of structure chart of charger that first embodiment of the invention is provided；
Fig. 2 is a kind of mobile terminal structure figure that second embodiment of the invention is provided；
Fig. 3 is a kind of flow chart of charging method that third embodiment of the invention is provided；
Fig. 4 is the schematic diagram that a kind of charger that third embodiment of the invention is provided is charged for mobile terminal；
Fig. 5 is the flow chart of another charging method that fourth embodiment of the invention is provided；
Fig. 6 is a kind of structure chart of mobile terminal that fifth embodiment of the invention is provided.
Specific 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 carried out clear, complete
Site preparation is described, it is clear that described embodiment is a part of embodiment of the invention, rather than whole embodiments.Based on this hair
Embodiment in bright, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example, belongs to the scope of protection of the invention.
First embodiment
Referring to Fig. 1, Fig. 1 is a kind of structure chart of charger provided in an embodiment of the present invention, as shown in figure 1, the charging
Device includes the first CPU 101 and controller 102, wherein：
First CPU 101 for detecting whether receive mobile terminal transmission cut-offing instruction, if inspection
The cut-offing instruction is measured, then exports the first control signal to the controller 102.
First CPU 101 is connected with controller 102.The state of mobile terminal meeting real-time monitoring battery component,
After battery component charging complete is detected, mobile terminal can send one and break to the first CPU 101 of charger
Electricity instruction, after the first CPU 101 of charger receives this cut-offing instruction, can send first to controller 102
Control signal.
The controller 102 is used to control the charger to stop output charging voltage according to first control signal.
Controller 102 is received after the first control signal of the transmission of the first CPU 101, can control charger
Stop output charging voltage.
Optionally, the controller 102 includes the low impedance switch 1021 for controlling the charging voltage output, described
First CPU 101 is used to export first control signal to the low impedance switch 1021, and the Low ESR is opened
Close 1021 controls the charger to stop the output charging voltage according to first control signal；
And/or, the controller 102 also includes the protection circuit 1022 for carrying out power-off protection, in described first
Central Processing Unit 101 is used to export first control signal to the protection circuit 1022, the basis of the protection circuit 1022
First control signal controls the charger to stop the output charging voltage.
Controller 102 can include the low impedance switch 1021 for controlling charging voltage to export, and the first center treatment is single
After unit 101 receives the cut-offing instruction of mobile terminal transmission, the first control signal, low-resistance can be sent to low impedance switch 1021
Anti- switch 1021 may turn off after receiving the first control signal, and now the output voltage of charger is just zero volt.
Controller 102 can also include the protection circuit 1022 for carrying out power-off protection, the first CPU 101
After receiving the cut-offing instruction of mobile terminal transmission, the first control signal, protection circuit can be sent to protection circuit 1022
1022 receive that the output voltage of charger will be controlled after the first control signal is zero volt.
Optionally, first CPU 101 is additionally operable to detect whether are the charger and the mobile terminal
Connection is established, is connected if detecting the charger and being established with the mobile terminal, detect whether to receive described in execution
The operation of the cut-offing instruction sent to mobile terminal, is connected if detecting the charger and not set up with the mobile terminal,
Perform the operation of the first control signal of the output to the controller 102.
First CPU 101 is additionally operable to detect whether to connect mobile terminal.First CPU 101 can
To be in scanning mode constantly, after charger and mobile terminal are established to be connected, the first CPU 101 can be to shifting
Dynamic terminal sends a high level signal, and mobile terminal can be to the first centre of charger after receiving this high level signal
Reason unit 101 returns to an answer signal, and the first CPU 101 is received after this answer signal it may determine that going out
Mobile terminal in connection, it is the state opened that now first CPU 101 can control low impedance switch 1021, is entered
And charging voltage is just transported in mobile terminal, mobile terminal is charged using this charging voltage to battery component.
The state of mobile terminal meeting real-time monitoring battery component, after battery component charging complete is detected, mobile terminal
A cut-offing instruction can be sent to the first CPU 101 of charger, the first CPU 101 of charger connects
After receiving this cut-offing instruction, charger can be controlled to stop output charging voltage.
If the first CPU 101 of charger is detected does not connect mobile terminal, can be to controller 102
The first control signal is exported, controller 102 will control charger to stop output charging voltage after receiving the first control signal.
If it should be noted that charger does not connect mobile terminal, but charger when being power-up state always,
The port of the USB line being connected with charger can also be constantly in powered state, so when the port of USB line is miscellaneous into ion
During matter, ionic impurity there is the metal parts inside the port that can accelerate to USB line in the presence of electric current to corrode, because
This can also be exported when the first CPU 101 of charger is detected and do not connect upper mobile terminal to controller 102
First control signal, controller 102 will control charger to stop output charging voltage after receiving the first control signal, now
The port of USB line is just no longer powered, can effectively prevent ionic impurity in the port having in the presence of electric current to USB line
The metal parts in portion is corroded, and extends the service life of the port of USB line.
Optionally, if the recovery that first CPU 101 is additionally operable to detect the mobile terminal transmission is filled
Electricity instruction, then export the second control signal to the controller 102；
The controller 102 is used to control the charger to recover the output electricity that charges according to second control signal
Pressure.
After the battery component charging complete of mobile terminal, mobile terminal can send cut-offing instruction to charger, and charger connects
Will stop exporting charging voltage after receiving cut-offing instruction.The state of mobile terminal meeting real-time monitoring battery component, a period of time
Afterwards, when mobile terminal detects the voltage of battery component less than threshold value, will be to the first CPU 101 of charger
Send and recover charging instruction.First CPU 101 of charger is received after this recovery charging instruction, can be to control
Device processed 102 sends the second control signal, after controller 102 receives the second control signal, charger can be controlled to recover output and filled
Piezoelectric voltage.
In the embodiment of the present invention, above-mentioned mobile terminal can be mobile phone, panel computer (Tablet Personal
Computer), kneetop computer (Laptop Computer), personal digital assistant (personal digital
Assistant, abbreviation PDA), mobile Internet access device (Mobile Internet Device, MID) or Wearable device
(Wearable Device) etc..
The charger of the embodiment of the present invention, the charger includes the first CPU and controller, wherein：It is described
First CPU for detecting whether receive mobile terminal transmission cut-offing instruction, if detect it is described power-off refer to
Order, then export the first control signal to the controller；The controller is used for according to first control signal control
Charger stops output charging voltage.After mobile terminal charging complete, cut-offing instruction can be sent to charger, charger is received
Can stop exporting charging voltage after this cut-offing instruction, the USB connector of such mobile terminal would not be in and persistently be coupled with
The state of power supply, the risk leaked electricity between reducing the pin inside USB connector, and then prevent the USB connector of mobile terminal
Corrosion oxidation is accelerated in the energized state, extends the service life of USB connector.Also, if charger is not connected
Mobile terminal, but charger always be power-up state when, charger can also stop export charging voltage, prevent ionic impurity from existing
Have in the presence of electric current and the metal parts inside the port of USB line is corroded, extend the use longevity of the port of USB line
Life.
Second embodiment
Referring to Fig. 2, Fig. 2 is a kind of structure chart of mobile terminal provided in an embodiment of the present invention, as shown in Fig. 2 the shifting
Dynamic terminal includes the second CPU 201 and battery component 202, wherein：
If the mobile terminal is established with charger being connected, second CPU 201 detects the electricity
Whether the voltage of pond component 202 is higher than preset first threshold value, if the voltage for detecting the battery component 202 is default higher than described
First threshold, then send cut-offing instruction to the charger, so as to the charger stops output according to the cut-offing instruction fill
Piezoelectric voltage.
Second CPU 201 is connected with battery component 202.The meeting of second CPU 201 of mobile terminal
The state of real-time monitoring battery component 202, it is mobile whole when the voltage for detecting battery component 202 is higher than preset first threshold value
Second CPU 201 at end can send cut-offing instruction to charger, and charger can stop after receiving this cut-offing instruction
The only output of charging voltage.
Optionally, the mobile terminal also includes charging circuit 203, if the voltage for detecting the battery component 202 is low
In default Second Threshold, second CPU 201 is additionally operable to be sent to the charger recovers charging instruction, so that
The charger recovers the output charging voltage according to the recovery charging instruction to the charging circuit 203；
The charging circuit 203 is used to be charged to the battery component 202 using the charging voltage.
Battery component 202 is connected with charging circuit 203.After charger stops output charging voltage, the second of mobile terminal
The state of the meeting real-time monitoring of CPU 201 battery component 202, after a period of time, when the second centre of mobile terminal
When reason unit 201 detects that the voltage of battery component 202 is less than default Second Threshold, recovery charging will be sent to charger and referred to
Order.Charger is received after this recovery charging instruction, can recover output charging to the charging circuit 203 of mobile terminal electric
Pressure, the charging circuit 203 of mobile terminal is charged using the charging voltage for recovering output to battery component 202.
The mobile terminal of the embodiment of the present invention, the mobile terminal includes the second CPU and battery component, its
In：If the mobile terminal is established with charger being connected, second CPU detects the battery component
Whether voltage is higher than preset first threshold value, if the voltage for detecting the battery component is higher than the preset first threshold value, to
The charger sends cut-offing instruction, so that the charger stops output charging voltage according to the cut-offing instruction.It is mobile whole
After the charging complete of end, cut-offing instruction can be sent to charger, charger can stop output charging after receiving this cut-offing instruction
Voltage, the USB connector of such mobile terminal would not be in the state for being persistently coupled with power supply, reduce in USB connector
The risk leaked electricity between the pin in portion, and then prevent the USB connector of mobile terminal to be accelerated corrosion oxidation in the energized state, prolong
The service life of USB connector long.
3rd embodiment
Referring to Fig. 3, Fig. 3 is a kind of flow chart of charging method provided in an embodiment of the present invention, is applied to charger, described
Charger includes controller, as shown in figure 3, comprising the following steps：
Step 301, the detection charger are connected with whether the mobile terminal establishes；If detecting the charger
Established with the mobile terminal and be connected, then detect whether to receive the step of the cut-offing instruction that mobile terminal sends described in execution
Suddenly；It is connected if detecting the charger and not set up with the mobile terminal, performs the first control signal of the output to institute
Controller is stated, so that the controller controls the charger to stop the step of output charging voltage according to first control signal
Suddenly.
In step 301, as shown in figure 4, the schematic diagram charged for mobile terminal for charger.In fig. 4, charge
Device part includes the first CPU MCU1, low impedance switch, protection circuit and USB interface, and protection circuit includes excess temperature
Protection circuit, overvoltage crowbar and short-circuit protection circuit.Mobile terminal part includes the second CPU MCU2, battery
Component, charging circuit and USB connector, wherein, the first CPU MCU1 be used for process the information from mobile terminal,
It is responsible for the communication with the second CPU MCU2, controls low impedance switch and control protection electric circuit.Low impedance switch is used for
The output of Switching Power Supply, it is desirable to which direct impedance is low, more low better, generally several milliohms.Second CPU MCU2 is used
In information of the treatment from charger, and it is responsible for the communication with the first CPU MCU1.
USB line part in Fig. 4 is used to connect charger and mobile terminal, there is provided data path and power supply between the two
Path, can include four lines, respectively bus voltage (VBUS, Voltage Bus) line, D- data wires, D+ numbers inside USB line
According to line and ground connection (GND, ground) line.
First, the first CPU MCU1 of charger will judge whether in connection mobile terminal.First center
Processing unit MCU1 can constantly be in scanning mode, after charger and mobile terminal are established to be connected, the first center treatment
Unit MCU1 can send a high level signal to mobile terminal, and the second CPU MCU2 of mobile terminal is received
An answer signal, the first center treatment can be returned to after this high level signal to the first CPU MCU1 of charger
Unit MCU1 is received after this answer signal it may determine that gone out in connection mobile terminal, now the first CPU
It is the state opened that MCU1 can control low impedance switch, and then charging voltage is just transported to the charging circuit of mobile terminal
In, the charging circuit of mobile terminal is charged using this charging voltage to battery component.
If the first CPU MCU1 of charger is detected does not connect mobile terminal, can be defeated to controller
Go out the first control signal, controller will control charger to stop output charging voltage after receiving the first control signal.
If it should be noted that charger does not connect mobile terminal, but charger when being power-up state always,
The port of the USB line being connected with charger can also be constantly in powered state, so when the port of USB line is miscellaneous into ion
During matter, ionic impurity there is the metal parts inside the port that can accelerate to USB line in the presence of electric current to corrode, because
This, also can be to controller output the when the first CPU MCU1 of charger is detected and do not connected upper mobile terminal
One control signal, controller will control charger to stop output charging voltage after receiving the first control signal, now USB line
Port it is just no longer powered, can effectively prevent ionic impurity inside the port having in the presence of electric current to USB line
Metal parts is corroded, and extends the service life of the port of USB line.
Step 302, the cut-offing instruction for detecting whether to receive mobile terminal transmission.
In step 302, when the first CPU MCU1 of charger has judged in connection mobile terminal, first
It is the state opened that CPU MCU1 can control low impedance switch, and then charging voltage is just transported to mobile terminal
Charging circuit in, the charging circuit of mobile terminal is charged using this charging voltage to battery component.
Second CPU MCU2 of mobile terminal can real-time monitoring battery component state, when detecting battery pack
After part charging complete, the second CPU MCU2 of mobile terminal can send out to the first CPU MCU1 of charger
Go out cut-offing instruction, therefore the first CPU MCU1 of charger can detect whether to receive the second center of mobile terminal
The cut-offing instruction that processing unit MCU2 sends.
If step 303, detecting the cut-offing instruction, the first control signal to the controller is exported, so that described
Controller controls the charger to stop output charging voltage according to first control signal.
In step 303, if the first CPU MCU1 of charger detects cut-offing instruction, will be exported
To controller, controller is received after the first control signal of the first CPU MCU1 transmissions one control signal, meeting
Control charger stops output charging voltage.
Optionally, the controller includes the low impedance switch for controlling charging voltage output, the output the
One control signal is to the controller, so that the controller controls the charger stopping defeated according to first control signal
Go out charging voltage, including：
First control signal to the low impedance switch is exported, so that the low impedance switch is according to the described first control
Signal processed controls the charger to stop the output charging voltage；
And/or, the controller includes the protection circuit for carrying out power-off protection, the control signal of the output first
To the controller, so that the controller controls the charger to stop output charging electricity according to first control signal
Pressure, including：
First control signal to the protection circuit is exported, so that the protection circuit is according to the described first control letter
Number control charger stops the output charging voltage.
Controller can include the low impedance switch for controlling charging voltage to export, and the first CPU MCU1 connects
After receiving the cut-offing instruction of the second CPU MCU2 transmissions of mobile terminal, first can be sent to low impedance switch and controlled
Signal processed, low impedance switch may turn off after receiving the first control signal, and now the output voltage of charger is just zero volt
It is special.
Controller can also include the protection circuit for carrying out power-off protection, and the first CPU MCU1 is received
After the cut-offing instruction that second CPU MCU2 of mobile terminal sends, the first control letter can be sent to protection circuit
Number, it is zero volt that protection circuit receives and the output voltage of charger will be controlled after the first control signal.
If step 304, the recovery charging instruction for detecting the mobile terminal transmission, export the second control signal to institute
Controller is stated, so that the controller controls the charger to recover the output electricity that charges according to second control signal
Pressure.
In step 304, after the battery component charging complete of mobile terminal, the second CPU of mobile terminal
MCU2 can send cut-offing instruction, the first CPU MCU1 of charger to the first CPU MCU1 of charger
Will stop exporting charging voltage after receiving cut-offing instruction.Second CPU MCU2 of mobile terminal can real-time monitoring
The state of battery component, after a period of time, when the second CPU MCU2 of mobile terminal detects the electricity of battery component
Force down when threshold value, will be sent to the first CPU MCU1 of charger and recover charging instruction.The first of charger
CPU MCU1 is received after this recovery charging instruction, can send the second control signal, controller to controller
After receiving the second control signal, charger can be controlled to recover output charging voltage.
Controller can include low impedance switch, and the first CPU MCU1 of charger receives this recovery and fills
After electricity instruction, the second control signal can be sent to low impedance switch, after low impedance switch receives the second control signal, can quilt
Open, and then recover output charging voltage.
Controller can also include protection circuit, and the first CPU MCU1 of charger receives this recovery and fills
After electricity instruction, the second control signal can be sent to protection circuit, after protection circuit receives the second control signal, guarantor can be discharged
The guard mode of protection circuit, and then recover output charging voltage.
The charging method of the embodiment of the present invention, is applied to charger, and the charger includes controller, detects whether to receive
To the cut-offing instruction that mobile terminal sends；If detecting the cut-offing instruction, the first control signal to the controller is exported,
So that the controller controls the charger to stop output charging voltage according to first control signal.Mobile terminal charges
After the completion of, cut-offing instruction can be sent to charger, charger can stop exporting charging voltage after receiving this cut-offing instruction, this
The USB connector of sample mobile terminal would not be in the state for being persistently coupled with power supply, reduce the pin inside USB connector
Between the risk leaked electricity, and then prevent the USB connector of mobile terminal to be accelerated corrosion oxidation in the energized state, extension USB connects
Connect the service life of device.Also, if charger does not connect mobile terminal, but charger when being power-up state always,
Charger can also stop exporting charging voltage, prevent ionic impurity inside the port having in the presence of electric current to USB line
Metal parts corroded, extend USB line port service life.
Fourth embodiment
Referring to Fig. 5, Fig. 5 is the flow chart of another charging method provided in an embodiment of the present invention, is applied to mobile terminal,
As shown in figure 5, comprising the following steps：
If step 501, the mobile terminal are established with charger and be connected, detect the voltage of battery component whether higher than pre-
If first threshold.
In step 501, the state of the second CPU MCU2 meeting real-time monitoring battery components of mobile terminal, inspection
Whether the voltage for surveying battery component is higher than preset first threshold value.
If step 502, the voltage of the battery component is detected higher than the preset first threshold value, to the charger
Cut-offing instruction is sent, so that the charger stops output charging voltage according to the cut-offing instruction.
In step 502, when detect battery component voltage be higher than preset first threshold value when, mobile terminal second in
Central Processing Unit MCU2 can send cut-offing instruction to charger, and charger can stop charging voltage after receiving this cut-offing instruction
Output.
If step 503, the voltage for detecting the battery component are less than default Second Threshold, sent to the charger
Recover charging instruction, so that the charger recovers the output charging voltage according to the recovery charging instruction.
In step 503, after charger stops output charging voltage, the second CPU MCU2 meetings of mobile terminal
The state of real-time monitoring battery component, after a period of time, when the second CPU MCU2 of mobile terminal detects battery
When the voltage of component is less than default Second Threshold, recovery charging will be sent to the first CPU MCU1 of charger and referred to
Order.First CPU MCU1 of charger is received after this recovery charging instruction, can control charger to movement
The charging circuit of terminal recovers output charging voltage, and the charging circuit of mobile terminal utilizes the charging voltage for recovering output to battery
Component charges.
The charging method of the embodiment of the present invention, is applied to mobile terminal, if the mobile terminal establishes company with charger
Connect, whether the voltage for detecting battery component is higher than preset first threshold value；If detecting the voltage of the battery component higher than described
Preset first threshold value, then send cut-offing instruction to the charger, so that the charger is defeated according to cut-offing instruction stopping
Go out charging voltage.After mobile terminal charging complete, cut-offing instruction can be sent to charger, charger receives this cut-offing instruction
After can stop exporting charging voltage, the USB connector of such mobile terminal would not be in the state for being persistently coupled with power supply, drop
The risk leaked electricity between the pin inside low USB connector, so prevent the USB connector of mobile terminal in the energized state by
Accelerated corrosion is aoxidized, and extends the service life of USB connector.
5th embodiment
Referring to Fig. 6, Fig. 6 is the structure chart of the mobile terminal that the present invention implements offer, as shown in fig. 6, mobile terminal 600 is wrapped
Include：At least one processor 601, memory 602, at least one network interface 604 and user interface 603.In mobile terminal 600
Each component be coupled by bus system 605.It is understood that bus system 605 is used to realize between these components
Connection communication.Bus system 605 in addition to including data/address bus, also including power bus, controlling bus and status signal bus in addition.
But for the sake of for clear explanation, various buses are all designated as bus system 605 in figure 6.
Wherein, user interface 603 can include display, keyboard or pointing device (for example, mouse, trace ball
(track ball), touch-sensitive plate or touch-screen etc..
It is appreciated that the memory 602 in the embodiment of the present invention can be volatile memory or nonvolatile memory,
Or may include both volatibility and nonvolatile memory.Wherein, nonvolatile memory can be read-only storage (Read-
Only Memory, ROM), programmable read only memory (Programmable ROM, PROM), the read-only storage of erasable programmable
Device (Erasable PROM, EPROM), Electrically Erasable Read Only Memory (Electrically EPROM, EEPROM) or
Flash memory.Volatile memory can be random access memory (Random Access Memory, RAM), and it is used as outside height
Speed caching.By exemplary but be not restricted explanation, the RAM of many forms can use, such as static RAM
(Static RAM, SRAM), dynamic random access memory (Dynamic RAM, DRAM), Synchronous Dynamic Random Access Memory
(Synchronous DRAM, SDRAM), double data speed synchronous dynamic RAM (Double Data Rate
SDRAM, DDRSDRAM), enhanced Synchronous Dynamic Random Access Memory (Enhanced SDRAM, ESDRAM), synchronized links
Dynamic random access memory (Synchlink DRAM, SLDRAM) and direct rambus random access memory (Direct
Rambus RAM, DRRAM).The memory 602 of system and method described herein be intended to including but not limited to these and it is any its
It is adapted to the memory of type.
In some embodiments, memory 602 stores following element, can perform module or data structure, or
Person their subset, or their superset：Operating system 6021 and application program 6022.
Wherein, operating system 6021, comprising various system programs, such as ccf layer, core library layer, driving layer etc. are used for
Realize various basic businesses and process hardware based task.Application program 6022, comprising various application programs, such as media
Player (Media Player), browser (Browser) etc., for realizing various applied business.Realize the embodiment of the present invention
The program of method may be embodied in application program 6022.
In embodiments of the present invention, by the program for calling memory 602 to store or instruction, specifically, can be application
The program stored in program 6022 or instruction, processor 601 are used for：
If the mobile terminal is established with charger being connected, detect the voltage of battery component whether higher than default first threshold
Value；
If detecting the voltage of the battery component higher than the preset first threshold value, sent to the charger and powered off
Instruction, so that the charger stops output charging voltage according to the cut-offing instruction.
The method that the embodiments of the present invention are disclosed can apply in processor 601, or be realized by processor 601.
Processor 601 is probably a kind of IC chip, the disposal ability with signal.In implementation process, the above method it is each
Step can be completed by the instruction of the integrated logic circuit of the hardware in processor 601 or software form.Above-mentioned treatment
Device 601 can be general processor, digital signal processor (Digital Signal Processor, DSP), special integrated electricity
Road (Application Specific Integrated Circuit, ASIC), ready-made programmable gate array (Field
Programmable Gate Array, FPGA) or other PLDs, discrete gate or transistor logic,
Discrete hardware components.Can realize or perform disclosed each method in the embodiment of the present invention, step and logic diagram.It is general
Processor can be microprocessor or the processor can also be any conventional processor etc..With reference to embodiment of the present invention institute
The step of disclosed method, can be embodied directly in hardware decoding processor and perform completion, or with the hardware in decoding processor
And software module combination performs completion.Software module may be located at random access memory, and flash memory, read-only storage may be programmed read-only
In the ripe storage medium in this area such as memory or electrically erasable programmable memory, register.The storage medium is located at
Memory 602, processor 601 reads the information in memory 602, with reference to the step of its hardware completion above method.
It is understood that embodiments described herein can with hardware, software, firmware, middleware, microcode or its
Combine to realize.Realized for hardware, processing unit can be realized in one or more application specific integrated circuits (Application
Specific Integrated Circuits, ASIC), digital signal processor (Digital Signal Processing,
DSP), digital signal processing appts (DSP Device, DSPD), programmable logic device (Programmable Logic
Device, PLD), field programmable gate array (Field-Programmable Gate Array, FPGA), general processor,
In controller, microcontroller, microprocessor, other electronic units for performing herein described function or its combination.
Realized for software, can be realized by performing the module (such as process, function etc.) of function described herein herein
Described technology.Software code is storable in memory and by computing device.Memory can within a processor or
Realize processor outside.
Optionally, cut-offing instruction is sent to the charger described, so that the charger is according to the cut-offing instruction
After the step of stopping output charging voltage, processor 601 is additionally operable to：
If the voltage for detecting the battery component is less than default Second Threshold, is sent to the charger and recover to charge
Instruction, so that the charger recovers the output charging voltage according to the recovery charging instruction.
Mobile terminal 600 can realize each process of mobile terminal realization in previous embodiment, to avoid repeating, here
Repeat no more.And mobile terminal 600 can with the state of real-time detection battery component, when battery component charging complete is detected,
Mobile terminal 600 can send cut-offing instruction to charger, after charger receives the cut-offing instruction of the transmission of mobile terminal 600, meeting
Stop the output of charging voltage, the USB connector of such mobile terminal 600 would not be in the state for being persistently coupled with power supply,
The risk leaked electricity between reducing the pin inside USB connector, and then the USB connector of mobile terminal 600 is prevented in powered shape
Corrosion oxidation is accelerated under state, extends the service life of USB connector.
Those of ordinary skill in the art are it is to be appreciated that the list of each example described with reference to the embodiments described herein
Unit and algorithm steps, can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually
Performed with hardware or software mode, depending on the application-specific and design constraint of technical scheme.Professional and technical personnel
Described function, but this realization can be realized it is not considered that exceeding using distinct methods to each specific application
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, may be referred to the corresponding process in preceding method embodiment, will not be repeated here.
In embodiment provided herein, it should be understood that disclosed apparatus and method, can be by other
Mode is realized.For example, device embodiment described above is only schematical, for example, the division of the unit, is only
A kind of division of logic function, can there is other dividing mode when actually realizing, such as multiple units or component can combine or
Person is desirably integrated into another system, or some features can be ignored, or does not perform.Another, shown or discussed is mutual
Between coupling or direct-coupling or communication connection can be the INDIRECT COUPLING or communication link of device or unit by some interfaces
Connect, can be electrical, mechanical or other forms.
The unit that is illustrated as separating component can be or may not be it is physically separate, it is aobvious as unit
The part for showing can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On NE.Some or all of unit therein can be according to the actual needs selected to realize embodiment of the present invention scheme
Purpose.
In addition, during each functional unit in each embodiment of the invention can be integrated in a processing unit, it is also possible to
It is that unit is individually physically present, it is also possible to which two or more units are integrated in a unit.
If the function is to realize in the form of SFU software functional unit and as independent production marketing or when using, can be with
Storage is in a computer read/write memory medium.Based on such understanding, technical scheme is substantially in other words
The part contributed to prior art or the part of the technical scheme can be embodied in the form of software product, the meter
Calculation machine software product is stored in a storage medium, including some instructions are used to so that a computer equipment (can be individual
People's computer, server, or network equipment etc.) perform all or part of step of each embodiment methods described of the invention.
And foregoing storage medium includes：USB flash disk, mobile hard disk, ROM, RAM, magnetic disc or CD etc. are various can be with store program codes
Medium.
The above, specific embodiment only of the invention, but protection scope of the present invention is not limited thereto, and it is any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all contain
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be defined by scope of the claims.
Claims (12)
1. a kind of charger, it is characterised in that the charger includes the first CPU and controller, wherein：
First CPU for detecting whether receive the cut-offing instruction of mobile terminal transmission, if detecting described
Cut-offing instruction, then export the first control signal to the controller；
The controller is used to control the charger to stop output charging voltage according to first control signal.
2. charger as claimed in claim 1, it is characterised in that the controller is included for controlling the charging voltage defeated
The low impedance switch for going out, first CPU is used to export first control signal to the low impedance switch,
The low impedance switch controls the charger to stop the output charging voltage according to first control signal；
And/or, the controller also includes the protection circuit for carrying out power-off protection, and first CPU is used
In first control signal to the protection circuit is exported, the protection circuit is according to first control signal is controlled
Charger stops the output charging voltage.
3. charger as claimed in claim 1, it is characterised in that first CPU is additionally operable to be filled described in detection
Electrical equipment is connected with whether the mobile terminal establishes, and is connected if detecting the charger and being established with the mobile terminal,
Then perform the operation for detecting whether to receive the cut-offing instruction that mobile terminal sends, if detect the charger with it is described
Mobile terminal does not set up connection, then perform the operation of the first control signal of the output to the controller.
4. the charger as described in claim 1 or 3, it is characterised in that if first CPU is additionally operable to detection
To the recovery charging instruction that the mobile terminal sends, then the second control signal to the controller is exported；
The controller is used to control the charger to recover the output charging voltage according to second control signal.
5. a kind of mobile terminal, it is characterised in that the mobile terminal includes the second CPU and battery component, its
In：
If the mobile terminal is established with charger being connected, second CPU detects the battery component
Whether voltage is higher than preset first threshold value, if the voltage for detecting the battery component is higher than the preset first threshold value, to
The charger sends cut-offing instruction, so that the charger stops output charging voltage according to the cut-offing instruction.
6. mobile terminal as claimed in claim 5, it is characterised in that the mobile terminal also includes charging circuit, if detection
Voltage to the battery component is less than default Second Threshold, and second CPU is additionally operable to be sent out to the charger
Recovery charging instruction is sent, so that the charger fills according to the recovery charging instruction to charging circuit recovery output
Piezoelectric voltage；
The charging circuit is used to be charged to the battery component using the charging voltage.
7. a kind of charging method, is applied to charger, it is characterised in that the charger includes controller, and methods described includes：
Detect whether to receive the cut-offing instruction that mobile terminal sends；
If detecting the cut-offing instruction, the first control signal to the controller is exported, so that the controller is according to institute
Stating the first control signal controls the charger to stop output charging voltage.
8. method as claimed in claim 7, it is characterised in that the controller is included for controlling the charging voltage to export
Low impedance switch, the control signal of the output first to the controller so that the controller according to described first control
Signal controls the charger to stop output charging voltage, including：
First control signal to the low impedance switch is exported, so that the low impedance switch is according to the described first control letter
Number control charger stops the output charging voltage；
And/or, the controller includes the protection circuit for carrying out power-off protection, the control signal of the output first to institute
Controller is stated, so that the controller controls the charger to stop output charging voltage, bag according to first control signal
Include：
First control signal to the protection circuit is exported, so that the protection circuit is according to the first control signal control
Make the charger and stop the output charging voltage.
9. method as claimed in claim 7, it is characterised in that in the power-off for detecting whether to receive mobile terminal transmission
Before the step of instruction, methods described also includes：
Detect the charger is connected with whether the mobile terminal establishes；
It is connected if detecting the charger and being established with the mobile terminal, detects whether to receive movement described in execution eventually
The step of holding the cut-offing instruction for sending；
It is connected if detecting the charger and not set up with the mobile terminal, performs the first control signal of the output to institute
Controller is stated, so that the controller controls the charger to stop the step of output charging voltage according to first control signal
Suddenly.
10. the method as described in claim 7 or 9, it is characterised in that in the first control signal of the output to the control
Device so that the step of controller controls the charger to stop output charging voltage according to first control signal it
Afterwards, methods described also includes：
If detecting the recovery charging instruction that the mobile terminal sends, the second control signal to the controller is exported, with
The controller is set to control the charger to recover the output charging voltage according to second control signal.
A kind of 11. charging methods, are applied to mobile terminal, it is characterised in that including：
If the mobile terminal is established with charger being connected, whether the voltage for detecting battery component is higher than preset first threshold value；
If detecting the voltage of the battery component higher than the preset first threshold value, send power-off to the charger and refer to
Order, so that the charger stops output charging voltage according to the cut-offing instruction.
12. methods as claimed in claim 11, it is characterised in that send cut-offing instruction to the charger described, so that
After the step of charger stops output charging voltage according to the cut-offing instruction, methods described also includes：
If the voltage for detecting the battery component is less than default Second Threshold, sends recovery charging to the charger and refer to
Order, so that the charger recovers the output charging voltage according to the recovery charging instruction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710089978.3A CN106786994A (en) | 2017-02-20 | 2017-02-20 | A kind of charging method, charger and mobile terminal |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710089978.3A CN106786994A (en) | 2017-02-20 | 2017-02-20 | A kind of charging method, charger and mobile terminal |
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