CN106505656A - A kind of charging method of mobile terminal, device, system and mobile terminal - Google Patents
A kind of charging method of mobile terminal, device, system and mobile terminal Download PDFInfo
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- CN106505656A CN106505656A CN201610890873.3A CN201610890873A CN106505656A CN 106505656 A CN106505656 A CN 106505656A CN 201610890873 A CN201610890873 A CN 201610890873A CN 106505656 A CN106505656 A CN 106505656A
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- charger
- mobile terminal
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- 238000000034 method Methods 0.000 title claims description 24
- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- 230000011664 signaling Effects 0.000 claims description 23
- 230000000694 effects Effects 0.000 claims description 6
- 230000005611 electricity Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000003993 interaction Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
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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
-
- 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
- H02J7/007—Regulation of charging or discharging current or voltage
-
- 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
Abstract
The invention discloses a kind of mobile terminal, including USB port, mainboard chip, charging signals circuit and charge switch circuit.Mainboard chip is used for when the quick-charge signal of charger transmission is received, the first control signal is sent to charger, in order to indicate that charger is connected respectively to first holding wire and secondary signal line of its charging signals circuit on the ground interface and charging inlet of its USB port, and the second control signal is sent to charge switch circuit.Charge switch circuit is connected with mainboard chip, USB port and charging signals circuit respectively, for when the second control signal is received, on the ground interface and charging inlet of the USB port that first holding wire and secondary signal line of the charging signals circuit of mobile terminal are connected respectively to mobile terminal.So as to reduce the line resistance of USB charging wires, charging current is increased, improve the speed of mobile terminal quick charge.
Description
Technical field
The present invention relates to communication technical field, more particularly to a kind of mobile terminal, while the application relates particularly to one kind
The charging method of mobile terminal, device and system.
Background technology
With the development of science and technology, the charging modes of mobile terminal also gradually become increasingly to enrich.Except common common
Beyond charging modes, the new charging modes such as quick charge and wireless charging are also proposed in recent years.For variety classes
Charging modes, its charging signals circuit differs.For example, if using common charging modes, its charging signals is electric
Road is typically not over 1.5A.And if by the way of quick charge, its charging signals circuit can more common charging modes
Electric current is big, generally requires and reaches more than 2A.
In order to meet high current demand of the mobile terminal in quick charge, it is desirable to reduce the resistance of charging circuit.
However, when using general USB charging wires to carry out quick charge to mobile phone, due to the charging wire of general USB charging wires
Road resistance is larger, causes the pressure drop on USB charging wires to increase, so as to reduce charging signals circuit, reduces mobile terminal fast
The speed that speed charges, increased the time of mobile terminal quick charge.
Prior art adopts VBUS lines and earth lead in overstriking USB charging wires in order to reduce the resistance of charging circuit, often
Method so that existing mobile terminal be required for when quick charge is carried out using adaptation USB charging wires, can be only achieved
Comparatively ideal quick charge effect.It can be seen that, in the prior art, it is physical characteristics (the overstriking VBUS by changing USB charging wires
Line and earth lead) reducing the resistance of circuit, and then reach the effect of increase charging signals circuit.
As can be seen here, how when quick charge mode being carried out using generic USB charging wire, increase the electricity of charging circuit
Stream, improves the charging rate of mobile terminal, becomes those skilled in the art's technical problem urgently to be resolved hurrily.
Content of the invention
The invention provides a kind of mobile terminal, is carrying out quick charge mode in order to increase using generic USB charging wire
When charging signals circuit, improve mobile terminal charging rate.The mobile terminal includes USB port, mainboard chip, charging
Signal circuit and charge switch circuit, the charge switch circuit respectively with the mainboard chip, the USB port and institute
State charging signals circuit to be connected, wherein：
The mainboard chip is used for, when the quick-charge signal of charger transmission is received, sending the to the charger
One control signal, and the second control signal is sent to the charge switch circuit, wherein, first control signal is used for referring to
Show that first holding wire and secondary signal line of the charging signals circuit of the charger are connected respectively to by the charger described
On the ground interface and charging inlet of the USB port of charger；
The charge switch circuit is used for, when second control signal is received, the charging of the mobile terminal being believed
First holding wire and secondary signal line of number circuit are connected respectively to the ground interface of the USB port of the mobile terminal and charging
On interface.
Preferably, the charge switch circuit is opened the light and the second controlling switch comprising the first control, the controlling switch
Interface includes fixed end interface, control interface, the first movable end interface and the second movable end interface.
Preferably, the fixed end interface of first controlling switch and the first of the charging signals circuit of the mobile terminal
Holding wire is connected, and the control interface of first controlling switch is connected with the first control interface of the mainboard chip, and described the
The movable end interface of the first of one controlling switch is connected with the first signaling interface of the mainboard chip, first controlling switch
Second movable end interface is connected with the ground interface of the USB port of the mobile terminal；
The secondary signal line of the fixed end interface of second controlling switch and the charging signals circuit of the mobile terminal
It is connected, the control interface of second controlling switch is connected with the second control interface of the mainboard chip, second control
The movable end interface of the first of switch is connected with the secondary signal interface of the mainboard chip, the second work of second controlling switch
Moved end interface is connected with the power supply interface of the USB port of the mobile terminal.
Preferably, the mainboard chip is additionally operable to, at the end of judging to charge, send the 3rd to the charge switch circuit
Control signal, in the control chip of the first holding wire and the charger of the charging signals circuit for detecting the mobile terminal
When connected, the 4th control signal is sent to the charger, and in the charging signals circuit for detecting the mobile terminal
When secondary signal line is connected with the control chip of the charger, the 5th control signal is sent to the charge switch circuit, its
In, the 4th control signal is used for indicating that the secondary signal line of the charging signals circuit of the charger is connected by the charger
On the secondary signal interface of the control chip for being connected to the charger；
The charge switch circuit is additionally operable to when three control signal is received, by the charging of the mobile terminal
First holding wire of signal circuit is connected on the first signaling interface of the mainboard chip, and is receiving the 5th control
During signal processed, secondary signal that the secondary signal line of the charging signals circuit of the mobile terminal is connected to the mainboard chip
On interface.
Accordingly, the application proposes a kind of mobile terminal charging method, and the method is applied to mobile terminal as above
In, the method includes：
When the quick-charge signal of charger transmission is received, the is sent by the mainboard chip to the charger
One control signal, first control signal are used for indicating the charger by the first of the charging signals circuit of the charger
On the ground interface and charging inlet of the USB port that holding wire and secondary signal line are connected respectively to the charger；
Second control signal is sent to the charge switch circuit by the mainboard chip, second control signal is used
First holding wire and secondary signal line of the charging signals circuit of the mobile terminal are divided in the instruction charge switch circuit
On the ground interface and charging inlet of the USB port for not being connected to the mobile terminal.
Preferably, also include：
At the end of judging to charge, the 3rd control signal is sent to the charge switch circuit by the mainboard chip,
3rd control signal is used for indicating the charge switch circuit by described the of the charging signals circuit of the mobile terminal
One holding wire is connected on the first signaling interface of the mainboard chip；
Control chip in the first holding wire and the charger of the charging signals circuit for detecting the mobile terminal
When connected, the 4th control signal is sent to the charger by the mainboard chip, the 4th control signal is used for indicating
The secondary signal line of the charging signals circuit of the charger is connected to the charger control chip of the charger
On secondary signal interface；
Control chip in secondary signal line and the charger of the charging signals circuit for detecting the mobile terminal
When connected, the 5th control signal is sent to the charge switch circuit by the mainboard chip, the 5th control signal is used
The secondary signal line of the charging signals circuit of the mobile terminal is connected to the mainboard in the instruction charge switch circuit
On the secondary signal interface of chip.
Accordingly, the application proposes a kind of mobile terminal charging device, is applied in mobile terminal as above, described
Charging device includes：
First sending module, when the quick-charge signal of charger transmission is received, by the mainboard chip to institute
State charger and send the first control signal, first control signal is used for indicating the charger by the charging of the charger
First holding wire and secondary signal line of signal circuit are connected respectively to the ground interface of the USB port of the charger and charging
On interface；
Second sending module, sends the second control signal by the mainboard chip to the charge switch circuit, described
Second control signal is used for indicating the charge switch circuit by the first holding wire of the charging signals circuit of the mobile terminal
On the ground interface and charging inlet of the USB port for being connected respectively to the mobile terminal with secondary signal line.
Preferably, also include：
3rd sending module, at the end of judging to charge, is sent to the charge switch circuit by the mainboard chip
3rd control signal, the 3rd control signal are used for indicating the charge switch circuit by the charging signals of the mobile terminal
First holding wire of circuit is connected on the first signaling interface of the mainboard chip；
4th sending module, in the first holding wire and the charging of the charging signals circuit for detecting the mobile terminal
When the control chip of device is connected, the 4th control signal, the 4th control are sent to the charger by the mainboard chip
Signal is used for indicating that the secondary signal line of the charging signals circuit of the charger is connected to the charger by the charger
Control chip secondary signal interface on；
5th sending module, in secondary signal line and the charging of the charging signals circuit for detecting the mobile terminal
When the control chip of device is connected, the 5th control signal is sent to the charge switch circuit by the mainboard chip, described the
Five control signals are used for indicating that the secondary signal line of the charging signals circuit of the mobile terminal is connected by the charge switch circuit
It is connected on the secondary signal interface of the mainboard chip.
Corresponding the application proposes a kind of charging system of mobile terminal, and the charging system is comprising as above mobile
Terminal and charger, wherein,
The mobile terminal is used for, when the quick-charge signal of charger transmission is received, by the mainboard chip
The first control signal is sent to the charger, and second is sent by the mainboard chip to the charge switch circuit control
Signal processed, second control signal are used for indicating the charge switch circuit by the charging signals circuit of the mobile terminal
On the ground interface and charging inlet of the USB port that the first holding wire and secondary signal line are connected respectively to the mobile terminal；
The charger is used for, when first control signal is received, by the charging signals circuit of the charger
The first holding wire and the secondary signal line USB port that is connected respectively to the charger ground interface and charging inlet on.
Preferably, the mobile terminal is additionally operable to, at the end of judging to charge, by the mainboard chip to the charging
On-off circuit send the 3rd control signal, the charging signals circuit for detecting the mobile terminal the first holding wire with described
When the control chip of charger is connected, the 4th control signal is sent to the charger by the mainboard chip, and in inspection
When measuring the secondary signal line of the charging signals circuit of the mobile terminal and being connected with the control chip of the charger, by institute
Stating mainboard chip and the 5th control signal being sent to the charge switch circuit, wherein, the 3rd control signal is used for indicating institute
State charge switch circuit and first holding wire of the charging signals circuit of the mobile terminal is connected to the mainboard chip
The first signaling interface on, the 5th control signal be used for indicate the charge switch circuit by the charging of the mobile terminal
The secondary signal line of signal circuit is connected on the secondary signal interface of the mainboard chip；
The charger is additionally operable to, when detecting charging current and being zero, by the charging signals circuit of the charger
First holding wire is connected on the first signaling interface of the control chip of the charger, and is receiving the 4th control
During signal, the secondary signal line of the charging signals circuit of the charger is connected to the charger control chip second
On signaling interface.
The technical scheme proposed by the application, when judging to need to carry out quick charge, itself is charged by mobile terminal
First holding wire and secondary signal line of the signal circuit ground interface and charging inlet that are connected to itself USB port respectively
On；Simultaneously control signal is sent to charger so that charger is by the first holding wire of its charging signals circuit and secondary signal
Line being connected on the ground interface and charging inlet of its USB port respectively.This will cause the first holding wire in USB charging wires
With secondary signal line respectively with USB charging wires in earth lead and charging line parallel, so as to reduce the line electricity of USB charging wires
Resistance, increases charging current, improves the speed of mobile terminal quick charge.
Description of the drawings
In order to be illustrated more clearly that the technical scheme of the application, embodiment will be described below needed for accompanying drawing to be used
Be briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present application, for this area general
For logical technical staff, on the premise of not paying creative work, can be with according to these other accompanying drawings of accompanying drawings acquisition.
Fig. 1 is a kind of structural representation of mobile terminal that the embodiment of the present application one is proposed；
Fig. 2 is a kind of structural representation of analog switch that the embodiment of the present application one is proposed；
Fig. 3 is a kind of schematic flow sheet of mobile terminal charging method that the embodiment of the present application two is proposed；
Fig. 4 is the mobile terminal that proposes in specific embodiment of the application interacts schematic diagram with quick charger；
Fig. 5 is a kind of structural representation of the charging device of mobile terminal that the application is proposed；
Fig. 6 is a kind of structural representation of the charging system of mobile terminal that the application is proposed.
Specific embodiment
As stated in the Background Art, when mobile terminal is charged using the method for quick charge, it is desirable to have larger fills
Electric current could have preferable quick charge effect.The resistance of charging circuit has important impact to charging signals circuit,
If the resistance of charging circuit is excessive, charging current will necessarily be reduced.In the prior art, in order to reduce the electricity of charging circuit
Resistance, the method for general VBUS lines and earth lead using overstriking USB charging wires, namely the USB for being equipped with adaptation to quick charge fill
Electric wire (the VBUS lines and earth lead of overstriking USB charging wires), can just access preferable quick charge effect.
However, when using common USB charging wires to carry out quick charge to mobile terminal, as common USB fills
Electric wire is all relatively thin, and line resistance easily causes the pressure drop increase on USB charging wires, so that charging signals than larger
Circuit reduces, and reduces the speed of mobile terminal quick charge.
Therefore, in order to increase the charging current when quick charge mode is carried out using generic USB charging wire, movement is improved
The charging rate of terminal, the application propose a kind of mobile terminal and a kind of charging method of mobile terminal and device, are judging
When needing to carry out quick charge, company of the mobile terminal by the first holding wire of itself charging signals circuit and secondary signal line respectively
It is connected on the ground interface and charging inlet of itself USB port；Simultaneously send control signal to charger so that charger by its
First holding wire and secondary signal line of the charging signals circuit ground interface and charging inlet that are connected to its USB port respectively
On.This by cause USB charging wires in the first holding wire and secondary signal line respectively with USB charging wires in earth lead and charging
Line parallel, so as to reduce the line resistance of USB charging wires, increases charging current, improves mobile terminal quick charge
Speed.
Embodiment one
A kind of structural representation of mobile terminal discussed above, the application is proposed is based on as shown in figure 1, including USB ends
Mouth 101, mainboard chip 103, charging signals circuit 104, and charge switch circuit 102, the introduction of each key character part
As follows：
(1) charging signals circuit includes the first holding wire and secondary signal line, between USB port and mainboard chip.
(2) USB port is used for being connected with charger, and its interface includes charging inlet, ground interface, the first signal and connects
Mouth and secondary signal interface.Wherein charging inlet is connected with charging circuit, ground interface and earth lead connect.Default situations
Under, the first signaling interface is connected with the first signaling interface of mainboard chip by the first holding wire of charging signals circuit, and second
Signaling interface is connected with the secondary signal interface of mainboard chip by the secondary signal line of charging signals circuit.
(3) mainboard chip is used for, when the quick-charge signal of charger transmission is received, sending first to charger and controlling
Signal processed, and to charge switch circuit send the second control signal, wherein, the first control signal be used for indicate charger by its
First holding wire and secondary signal line of charging signals circuit are connected respectively to the ground interface and charging inlet of its USB port
On.
In the preferred embodiment of the application, mainboard chip is additionally operable at the end of judging to charge, to charge switch circuit
The 3rd control signal is sent, in the control chip of first holding wire and charger of the charging signals circuit for detecting mobile terminal
When connected, the 4th control signal, and the secondary signal in the charging signals circuit for detecting mobile terminal is sent to charger
When line is connected with the control chip of charger, the 5th control signal is sent to charge switch circuit, wherein, the 4th control signal is used
The secondary signal that the secondary signal line of the charging signals circuit of itself is connected to the control chip of itself is connect in instruction charger
On mouth.
(4) charge switch circuit is used for when the second control signal is received, by the charging signals circuit of mobile terminal
On the ground interface and charging inlet of the USB port that the first holding wire and secondary signal line are connected respectively to mobile terminal.
In the preferred embodiment of the application, charge switch circuit is additionally operable to when three control signals is received, and will be moved
First holding wire of the charging signals circuit of dynamic terminal is connected on the first signaling interface of the mainboard chip of mobile terminal, and
When five control signals is received, master that the secondary signal line of the charging signals circuit of mobile terminal is connected to mobile terminal
On the secondary signal interface of board chip.
In the preferred embodiment of the application, charge switch circuit is opened the light and the second controlling switch comprising the first control, controls
The interface of system switch includes fixed end interface, control interface, the first movable end interface and the second movable end interface.
Wherein, the first holding wire phase of the fixed end interface of the first controlling switch and the charging signals circuit of mobile terminal
Even, the control interface of the first controlling switch is connected with the first control interface of the mainboard chip of mobile terminal, the first controlling switch
The first movable end interface be connected with the first signaling interface of the mainboard chip of mobile terminal, the second of the first controlling switch is movable
End interface is connected with the ground interface of the USB port of mobile terminal；
The fixed end interface of the second controlling switch is connected with the secondary signal line of the charging signals circuit of mobile terminal, and second
The control interface of controlling switch is connected with the second control interface of the mainboard chip of mobile terminal, the first work of the second controlling switch
Moved end interface is connected with the secondary signal interface of the mainboard chip of mobile terminal, the second movable end interface of the second controlling switch with
The power supply interface of the USB port of mobile terminal is connected.
Additionally, in order to realize direct control of the mainboard chip to controlling switch, in the preferred embodiment of the application,
The type of controlling switch is specially analog switch.
Analog switch can pass through GPIO (universal input/output), and interface is directly connected with mainboard chip, and is directly received
The control signal of mainboard chip, to switch over to circuit.
The structural representation of analog switch is illustrated in figure 2, the operation logic of analog switch is as follows：
V+ is supply voltage, is provided by mainboard chip.IN is control foot, and when IN is low level, 4 feet and 3 feet are connected；When
When IN is high level, 4 feet and 1 foot are connected.Under default situations, 4 feet are connected with 3 feet.
By the mobile terminal for applying the application to propose, when needing to carry out quick charge, itself is charged by mobile terminal
First holding wire and secondary signal line of the signal circuit ground interface and charging inlet that are connected to itself USB port respectively
On；Simultaneously control signal is sent to charger so that charger is by the first holding wire of its charging signals circuit and secondary signal
Line being connected on the ground interface and charging inlet of its USB port respectively.This will cause the first holding wire in USB charging wires
With secondary signal line respectively with USB charging wires in earth lead and charging line parallel, so as to reduce the line electricity of USB charging wires
Resistance, increases charging current, improves the speed of mobile terminal quick charge.
Embodiment two
Based on the mobile terminal that above example one is proposed, the application proposes a kind of charging method of mobile terminal, in order to
When quick charge mode being carried out using generic USB charging wire, increase the electric current of charging circuit, improve the charging speed of mobile terminal
Degree.Schematic flow sheets of the such as Fig. 3 for a kind of charging method of mobile terminal of the application proposition, the method are applied to such as embodiment
In the mobile terminal proposed in, the method at least includes：
S301, when the quick-charge signal of charger transmission is received, sends first by mainboard chip to charger
Control signal.
First control signal is used for indicating charger by the first holding wire of the charging signals circuit of charger and the second letter
On the ground interface and charging inlet of the USB port that number line is connected respectively to charger.
In embodiments herein, it is intended to by by the first holding wire and secondary signal line in charging wire respectively with fill
Earth lead in electric wire and charging line parallel, reduce the line resistance of charging wire.Need for this to mobile terminal and charger
Make and being correspondingly improved.As described in embodiment one, will be mobile whole to reach by arranging charge switch circuit in the terminal
First holding wire and secondary signal line of the charging signals circuit at end are connected respectively to the ground interface of the USB port of mobile terminal
On charging inlet.Accordingly, charge switch circuit to be also set in charger, be realized the charging signals electricity of charger
On the ground interface and charging inlet of the USB port that first holding wire and secondary signal line on road is connected respectively to charger,
This repeats no more.
It should be noted that when being charged to mobile terminal, charger and mobile terminal pass through USB charging wire phases
Even, and the charging circuit in three is corresponding with charging signals circuit is connected.Therefore when the charging in mobile terminal and charger
First holding wire and secondary signal line of signal circuit is connected respectively to the ground interface of the corresponding USB port of itself and charging
When on mouth, the two ends of the first holding wire in USB charging wires are connect with the ground connection of mobile terminal and the USB port of charger respectively
Mouthful be connected (namely with USB charging wires in ground connection line parallel), the two ends of the secondary signal line in USB charging wires will respectively with shifting
Dynamic terminal be connected with the charging inlet of the USB port of charger (namely with USB charging wires in charging line parallel).
By above step S201, mobile terminal, will be by master when the quick-charge signal of charger transmission is received
Board chip sends the first control signal to charger, in order to indicate charger by the first signal of the charging signals circuit of charger
On the ground interface and charging inlet of the USB port that line and secondary signal line are connected respectively to charger.
It should be noted that after charger receives the first control signal, need to be in mobile terminal to charging signals circuit
After connected mode adjustment is finished, the connected mode of its charging signals circuit can be adjusted.Because, if charger elder generation
Adjustment, it is likely that the charging inlet of charger is directly connected with the mainboard chip of mobile terminal by holding wire, now will
There is charging voltage to be loaded directly on the mainboard chip of mobile terminal, it is possible to the mainboard chip of mobile terminal can be damaged.
S302, sends the second control signal by mainboard chip to charge switch circuit.
Second control signal is used for indicating charge switch circuit by the first holding wire of the charging signals circuit of mobile terminal
On the ground interface and charging inlet of the USB port for being connected respectively to mobile terminal with secondary signal line.
In embodiments herein, mobile terminal will be opened to charging after the first control signal is sent to charger
Powered-down road sends the second control signal, to indicate charge switch circuit by the first holding wire of the charging signals circuit of mobile terminal
On the ground interface and charging inlet of the USB port for being connected respectively to mobile terminal with secondary signal line.
By the execution of above flow process, by the first holding wire and secondary signal line that cause in USB charging wires respectively with
Earth lead and charging line parallel in USB charging wires, so as to reduce the line resistance of charging wire, increases charging current, carries
The high speed of mobile terminal quick charge.
Additionally, at the end of charging, in addition it is also necessary to by charging signals circuit restoration, to realize the letter of mobile terminal and charger
Number interaction.
In being preferable to carry out of the application, the recovery of charging signals circuit can be realized by following steps：
(1) at the end of judging to charge, the 3rd control signal is sent to charge switch circuit by mainboard chip.
3rd control signal is used for indicating charge switch circuit by the first holding wire of the charging signals circuit of mobile terminal
On first signaling interface of the mainboard chip for being connected to mobile terminal.
When charging, the first holding wire is connected with the ground interface of the USB port of charger, due to ground interface no-voltage,
Therefore, when the first holding wire is simultaneously connected with the mainboard chip of mobile terminal, the mainboard chip of mobile terminal will not also be damaged.
It should be noted that when its first holding wire is connected to its mainboard chip by mobile terminal, charging circuit will be by
Cut-out, now charging current is 0.When charger detects charging current is 0, also can accordingly by its first holding wire connection
To on its control chip.Now mobile terminal and charger have recovered the ability of data interaction again.
(2) the first holding wire in the charging signals circuit for detecting mobile terminal is connected with the control chip of charger
When, the 4th control signal is sent to charger.
4th control signal is used for indicating that the secondary signal line of its charging signals circuit is connected to which and controls core by charger
On the secondary signal interface of piece.
If the first holding wire of the charging signals circuit of mobile terminal is connected with the control chip of charger, illustrate to move
Dynamic terminal has recovered again the ability of data interaction with charger, and now mobile terminal will send the 4th control letter to charger
Number, to indicate that charger is connected to the secondary signal line of its charging signals circuit on the secondary signal interface of its control chip.
(3) the secondary signal line in the charging signals circuit for detecting mobile terminal is connected with the control chip of charger
When, the 5th control signal is sent to charge switch circuit.
5th control signal is used for indicating charge switch circuit by the secondary signal line of the charging signals circuit of mobile terminal
On the secondary signal interface of the mainboard chip for being connected to mobile terminal.
If the secondary signal line of the charging signals circuit of mobile terminal is connected with the mainboard chip of charger, illustrate to fill
Electrical equipment and the recovery of charging signals circuit is completed, now secondary signal line is connected not exist with the mainboard chip of charger and fills
Therefore the secondary signal line of the charging signals circuit of mobile terminal is now connected to the mainboard chip of mobile terminal by piezoelectric voltage
On secondary signal interface, also the mainboard chip of mobile terminal will not be caused to damage.
By the execution of above step, on the one hand by the charging signals circuit restoration of the charger of mobile terminal, while
Also assure that the mainboard chip of mobile terminal will not be electrically charged the charging voltage destruction of device.
By the description of embodiments above flow process, when needing to carry out quick charge, mobile terminal is by filling
Electric switch circuit by first holding wire and secondary signal line of itself charging signals circuit respectively be connected to itself USB port
On ground interface and charging inlet；Simultaneously control signal is sent to charger so that charger is by the of its charging signals circuit
One holding wire and secondary signal line being connected on the ground interface and charging inlet of its USB port respectively.This will cause USB to fill
The first holding wire and secondary signal line in electric wire respectively with USB charging wires in earth lead and charging line parallel, so as to reduce
The line resistance of USB charging wires, increases charging current, improves the speed of mobile terminal quick charge.
In order to the technological thought of the present invention is expanded on further, in conjunction with the application as shown in Figure 4 in concrete scene
Schematic diagram, illustrates to technical scheme.
There is figure to understand that the control circuit in quick charger is made up of controlling switch K1 and K2, the control circuit in mobile phone
It is made up of controlling switch K3 and K4, and the mode of each controlling switch access circuit is as follows：
The fixed end interface of controlling switch K1 is connected with the first holding wire, the control interface of controlling switch K1 and quick charge
First control interface of the mainboard chip of device is connected, and the first movable end interface of controlling switch K1 is believed with the first of quick charger
Number interface is connected, and the second movable end interface of controlling switch K1 is connected with the ground interface of quick charger；
The fixed end interface of controlling switch K2 is connected with secondary signal line, the control interface of controlling switch K2 and quick charge
Second control interface of the mainboard chip of device is connected, and the of the first movable end interface of controlling switch K2 and the quick charger
Binary signal interface is connected, and the second movable end interface of controlling switch K2 is connected with the power supply interface of quick charger.
The fixed end interface of controlling switch K3 is connected with the first holding wire, the control interface of controlling switch K3 and mobile terminal
The first control interface of mainboard chip be connected, the first movable end interface of controlling switch K3 is connect with the first signal of mobile terminal
Mouth is connected, and the second movable end interface of controlling switch K3 is connected with the ground interface of mobile terminal.
The fixed end interface of controlling switch K4 is connected with secondary signal line, the control interface of controlling switch K4 and mobile terminal
The second control interface of mainboard chip be connected, the first movable end interface of controlling switch K4 is connect with the secondary signal of mobile terminal
Mouth is connected, and the second movable end interface of controlling switch K4 is connected with the power supply interface of mobile terminal.
Above connected mode is based on, specific operating process is as follows：Switch K1/K2/K3/K4 acquiescences are connected at a of contact,
When filling quick charger soon and charging to fast charging mobile phone, the CPU in quick charger by D+/D- lines and CPU communicated with
Confirm the voltage of VBUS and electric current for needing output, mobile phone just can enter fast mold filling formula or common charging mould after communication terminates
Formula, when confirming to need to carry out large current charge, quick charger side MCU interacts confirmation with mobile phone side CPU and can be allocated to switch
After the b of contact, MCU and CPU controls respective GPIO1/2 makes its switch be allocated to contact b, and such charging path is just by before
Bar path becomes two paths so as to which path resistance diminishes, and admissible maximum charge signal circuit also can be to more than 2A.
By the description of embodiments above, when needing to carry out quick charge, mobile terminal is opened by charging
The ground connection that is connected to itself USB port of the powered-down road by first holding wire and secondary signal line of itself charging signals circuit respectively
On interface and charging inlet；Control signal is sent simultaneously to charger so that charger is believed the first of its charging signals circuit
Number line and secondary signal line being connected on the ground interface and charging inlet of its USB port respectively.This will cause USB charging wires
In the first holding wire and secondary signal line respectively with USB charging wires in earth lead and charging line parallel, so as to reduce USB
The line resistance of charging wire, increases charging current, improves the speed of mobile terminal quick charge.
In order to reach above technical purpose, as shown in figure 5, the application also proposed a kind of mobile terminal charging device, should
Charging device is arranged in the mobile terminal as described in embodiment one, and the charging device includes：
First sending module 501, receive charger transmission quick-charge signal when, by the mainboard chip to
The charger sends the first control signal, and first control signal is used for indicating the charger filling the charger
First holding wire and secondary signal line of electrical signal circuitry are connected respectively to the ground interface of the USB port of the charger and fill
On electrical interface；
Second sending module 502, sends the second control signal, institute by the mainboard chip to the charge switch circuit
Stating the second control signal is used for indicating the charge switch circuit by the first signal of the charging signals circuit of the mobile terminal
On the ground interface and charging inlet of the USB port that line and secondary signal line are connected respectively to the mobile terminal.
In specific application scenarios, also include：
3rd sending module, at the end of judging to charge, is sent to the charge switch circuit by the mainboard chip
3rd control signal, the 3rd control signal are used for indicating the charge switch circuit by the charging signals of the mobile terminal
First holding wire of circuit is connected on the first signaling interface of the mainboard chip；
4th sending module, in the first holding wire and the charging of the charging signals circuit for detecting the mobile terminal
When the control chip of device is connected, the 4th control signal, the 4th control are sent to the charger by the mainboard chip
Signal is used for indicating that the secondary signal line of the charging signals circuit of the charger is connected to the charger by the charger
Control chip secondary signal interface on；
5th sending module, in secondary signal line and the charging of the charging signals circuit for detecting the mobile terminal
When the control chip of device is connected, the 5th control signal is sent to the charge switch circuit by the mainboard chip, described the
Five control signals are used for indicating that the secondary signal line of the charging signals circuit of the mobile terminal is connected by the charge switch circuit
It is connected on the secondary signal interface of the mainboard chip.
By the description of the device of embodiments above, when needing to carry out quick charge, mobile terminal passes through
Charge switch circuit by first holding wire and secondary signal line of itself charging signals circuit respectively be connected to itself USB port
Ground interface and charging inlet on；Simultaneously control signal is sent to charger so that charger is by its charging signals circuit
First holding wire and secondary signal line being connected on the ground interface and charging inlet of its USB port respectively.This will cause USB
The first holding wire and secondary signal line in charging wire respectively with USB charging wires in earth lead and charging line parallel, so as to drop
The low line resistance of USB charging wires, increases charging current, improves the speed of mobile terminal quick charge.
In order to reach above technical purpose, as shown in fig. 6, the application proposes a kind of charging system of mobile terminal, described
Charging system includes the mobile terminal 601 and charger 602 being performed as described above described in example, wherein,
The mobile terminal is used for, when the quick-charge signal of charger transmission is received, by the mainboard chip
The first control signal is sent to the charger, and second is sent by the mainboard chip to the charge switch circuit control
Signal processed, second control signal are used for indicating the charge switch circuit by the charging signals circuit of the mobile terminal
On the ground interface and charging inlet of the USB port that the first holding wire and secondary signal line are connected respectively to the mobile terminal；
The charger is used for, when first control signal is received, by the charging signals circuit of the charger
The first holding wire and the secondary signal line USB port that is connected respectively to the charger ground interface and charging inlet on.
In specific application scenarios, the mobile terminal is additionally operable to, at the end of judging to charge, by the mainboard core
Piece sends the 3rd control signal to the charge switch circuit, the first of the charging signals circuit for detecting the mobile terminal
When holding wire is connected with the control chip of the charger, the 4th control letter is sent to the charger by the mainboard chip
Number, and the control chip phase of the secondary signal line in the charging signals circuit for detecting the mobile terminal and the charger
Lian Shi, sends the 5th control signal, wherein, the 3rd control signal by the mainboard chip to the charge switch circuit
For indicating that first holding wire of the charging signals circuit of the mobile terminal is connected to institute by the charge switch circuit
State on the first signaling interface of mainboard chip, the 5th control signal is used for indicating the charge switch circuit by the movement
The secondary signal line of the charging signals circuit of terminal is connected on the secondary signal interface of the mainboard chip；
The charger is additionally operable to, when detecting charging current and being zero, by the charging signals circuit of the charger
First holding wire is connected on the first signaling interface of the control chip of the charger, and is receiving the 4th control
During signal, the secondary signal line of the charging signals circuit of the charger is connected to the charger control chip second
On signaling interface.
By the description of the charging system of embodiments above, when needing to carry out quick charge, mobile terminal
By charge switch circuit by first holding wire and secondary signal line of itself charging signals circuit respectively be connected to itself USB
On the ground interface and charging inlet of port；Control signal is sent simultaneously to charger so that charger is electric by its charging signals
First holding wire and secondary signal line on road being connected on the ground interface and charging inlet of its USB port respectively.This will make
The first holding wire in USB charging wires and secondary signal line respectively with USB charging wires in earth lead and charging line parallel, from
And the line resistance of USB charging wires is reduced, charging current is increased, the speed of mobile terminal quick charge is improve.
Through the above description of the embodiments, those skilled in the art can be understood that the present invention can be led to
Cross hardware realization, it is also possible to which the mode by software plus necessary general hardware platform is realizing.Such understanding is based on, this
Bright technical scheme can be embodied in the form of software product, and the software product can be stored in non-volatile memories
Medium (can be CD-ROM, USB flash disk, portable hard drive etc.) in, use so that a computer equipment (can be including some instructions
Personal computer, server, or network equipment etc.) execute method described in each implement scene of the invention.
It will be appreciated by those skilled in the art that accompanying drawing is a schematic diagram for being preferable to carry out scene, module in accompanying drawing or
Flow process is not necessarily implemented necessary to the present invention.
It will be appreciated by those skilled in the art that module in device in implement scene can according to implement scene describe into
Row is distributed in the device of implement scene, it is also possible to carry out one or more dresses that respective change is disposed other than this implement scene
In putting.The module of above-mentioned implement scene can merge into a module, it is also possible to be further split into multiple submodule.
The invention described above sequence number is for illustration only, does not represent the quality of implement scene.
Disclosed above is only that the several of the present invention are embodied as scene, but, the present invention is not limited to this, Ren Heben
What the technical staff in field can think change should all fall into protection scope of the present invention.
Claims (10)
1. a kind of mobile terminal, including USB port, mainboard chip and charging signals circuit, it is characterised in that also include charging
On-off circuit, the charge switch circuit respectively with the mainboard chip, the USB port and the charging signals circuit phase
Even, wherein：
The mainboard chip is used for, when the quick-charge signal of charger transmission is received, sending first to the charger and controlling
Signal processed, and the second control signal is sent to the charge switch circuit, wherein, first control signal, for indicating
First holding wire and secondary signal line of the charging signals circuit of the charger are connected respectively to described filling by the charger
On the ground interface and charging inlet of the USB port of electrical equipment；
The charge switch circuit, for when second control signal is received, by the charging signals of the mobile terminal
First holding wire and secondary signal line of circuit, is connected respectively to ground interface and the charging of the USB port of the mobile terminal
On interface.
2. mobile terminal as claimed in claim 1, it is characterised in that：
The charge switch circuit includes the first controlling switch and the second controlling switch, and the interface of the controlling switch is comprising fixation
End interface, control interface, the first movable end interface and the second movable end interface.
3. with the mobile terminal described in claim 2, it is characterised in that：
The fixed end interface of first controlling switch is connected with the first holding wire of the charging signals circuit of the mobile terminal,
The control interface of first controlling switch is connected with the first control interface of the mainboard chip, first controlling switch
First movable end interface is connected with the first signaling interface of the mainboard chip, the second activity termination of first controlling switch
Mouth is connected with the ground interface of the USB port of the mobile terminal；
The fixed end interface of second controlling switch is connected with the secondary signal line of the charging signals circuit of the mobile terminal,
The control interface of second controlling switch is connected with the second control interface of the mainboard chip, second controlling switch
First movable end interface is connected with the secondary signal interface of the mainboard chip, the second activity termination of second controlling switch
Mouth is connected with the power supply interface of the USB port of the mobile terminal.
4. mobile terminal as claimed in claim 1, it is characterised in that：
The mainboard chip, is additionally operable to, at the end of judging to charge, send the 3rd control signal to the charge switch circuit,
When detecting the first holding wire of the charging signals circuit of the mobile terminal and being connected with the control chip of the charger, to institute
State charger send the 4th control signal, and the secondary signal line in the charging signals circuit for detecting the mobile terminal with
When the control chip of the charger is connected, the 5th control signal is sent to the charge switch circuit, wherein, the 4th control
Signal processed is used for indicating that the secondary signal line of the charging signals circuit of the charger is connected to the charging by the charger
On the secondary signal interface of the control chip of device；
The charge switch circuit, is additionally operable to, when three control signal is received, the charging of the mobile terminal be believed
First holding wire of number circuit is connected on the first signaling interface of the mainboard chip, and is receiving the 5th control
During signal, the secondary signal that the secondary signal line of the charging signals circuit of the mobile terminal is connected to the mainboard chip is connect
On mouth.
5. a kind of mobile terminal charging method, it is characterised in that methods described is applied to as described in any one of claim 1-4
In mobile terminal, the method includes：
When the quick-charge signal of charger transmission is received, first is sent by the mainboard chip to the charger and controlled
Signal processed, first control signal are used for indicating the charger by the first signal of the charging signals circuit of the charger
On the ground interface and charging inlet of the USB port that line and secondary signal line are connected respectively to the charger；
Second control signal is sent to the charge switch circuit by the mainboard chip, second control signal is used for referring to
Show that first holding wire and secondary signal line of the charging signals circuit of the mobile terminal are connected by the charge switch circuit respectively
On the ground interface and charging inlet of the USB port for being connected to the mobile terminal.
6. method as claimed in claim 5, it is characterised in that also include：
At the end of judging to charge, the 3rd control signal is sent to the charge switch circuit by the mainboard chip, described
3rd control signal is used for indicating the charge switch circuit by first letter of the charging signals circuit of the mobile terminal
Number line is connected on the first signaling interface of the mainboard chip；
It is connected with the control chip of the charger in the first holding wire of the charging signals circuit for detecting the mobile terminal
When, the 4th control signal is sent to the charger by the mainboard chip, the 4th control signal is described for indicating
The secondary signal line of the charging signals circuit of the charger is connected to charger the second of the control chip of the charger
On signaling interface；
It is connected with the control chip of the charger in the secondary signal line of the charging signals circuit for detecting the mobile terminal
When, the 5th control signal is sent to the charge switch circuit by the mainboard chip, the 5th control signal is used for referring to
Show that the secondary signal line of the charging signals circuit of the mobile terminal is connected to the mainboard chip by the charge switch circuit
Secondary signal interface on.
7. a kind of mobile terminal charging device, it is characterised in that the charging device is arranged at such as any one of claim 1-4 institute
In the mobile terminal that states, the charging device includes：
First sending module, when the quick-charge signal of charger transmission is received, is filled to described by the mainboard chip
Electrical equipment sends the first control signal, and first control signal is used for indicating the charger by the charging signals of the charger
First holding wire and secondary signal line of circuit are connected respectively to the ground interface and charging inlet of the USB port of the charger
On；
Second sending module, by the mainboard chip to the charge switch circuit send the second control signal, described second
Control signal is used for indicating the charge switch circuit by the first holding wire of the charging signals circuit of the mobile terminal and the
Binary signal line is connected respectively on the ground interface and charging inlet of the USB port of the mobile terminal.
8. charging device as claimed in claim 7, it is characterised in that also include：
3rd sending module, at the end of judging to charge, sends the 3rd by the mainboard chip to the charge switch circuit
Control signal, the 3rd control signal are used for indicating the charge switch circuit by the charging signals circuit of the mobile terminal
First holding wire be connected on the first signaling interface of the mainboard chip；
4th sending module, in the first holding wire and the charger of the charging signals circuit for detecting the mobile terminal
When control chip is connected, the 4th control signal, the 4th control signal are sent to the charger by the mainboard chip
For indicating that the secondary signal line of the charging signals circuit of the charger is connected to the charger control of the charger
On the secondary signal interface of coremaking piece；
5th sending module, in secondary signal line and the charger of the charging signals circuit for detecting the mobile terminal
When control chip is connected, the 5th control signal, the 5th control are sent to the charge switch circuit by the mainboard chip
Signal processed is used for indicating that the secondary signal line of the charging signals circuit of the mobile terminal is connected to by the charge switch circuit
On the secondary signal interface of the mainboard chip.
9. a kind of charging system of mobile terminal, it is characterised in that the charging system includes the shifting as described in claim 1-4
Dynamic terminal and charger, wherein,
The mobile terminal is used for, when the quick-charge signal of charger transmission is received, by the mainboard chip to institute
State charger and send the first control signal, and the second control letter is sent to the charge switch circuit by the mainboard chip
Number, second control signal is used for indicating the charge switch circuit by the first of the charging signals circuit of the mobile terminal
On the ground interface and charging inlet of the USB port that holding wire and secondary signal line are connected respectively to the mobile terminal；
The charger is used for, when first control signal is received, by the of the charging signals circuit of the charger
On the ground interface and charging inlet of the USB port that one holding wire and secondary signal line are connected respectively to the charger.
10. charging system as claimed in claim 9, it is characterised in that：
The mobile terminal is additionally operable to, and at the end of judging to charge, is sent out to the charge switch circuit by the mainboard chip
The 3rd control signal is sent, in the control of the first holding wire and the charger of the charging signals circuit for detecting the mobile terminal
When coremaking piece is connected, the 4th control signal is sent to the charger by the mainboard chip, and is detecting the shifting
When the secondary signal line of the charging signals circuit of dynamic terminal is connected with the control chip of the charger, by the mainboard chip
The 5th control signal is sent to the charge switch circuit, wherein, the 3rd control signal is used for indicating the charge switch
First holding wire of the charging signals circuit of the mobile terminal is connected to circuit the first signal of the mainboard chip
On interface, the 5th control signal is used for indicating the charge switch circuit by the charging signals circuit of the mobile terminal
Secondary signal line is connected on the secondary signal interface of the mainboard chip；
The charger is additionally operable to, when detecting charging current and being zero, by the first of the charging signals circuit of the charger
Holding wire is connected on the first signaling interface of the control chip of the charger, and is receiving the 4th control signal
When, the secondary signal line of the charging signals circuit of the charger is connected to the secondary signal of the control chip of the charger
On interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610890873.3A CN106505656A (en) | 2016-10-12 | 2016-10-12 | A kind of charging method of mobile terminal, device, system and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610890873.3A CN106505656A (en) | 2016-10-12 | 2016-10-12 | A kind of charging method of mobile terminal, device, system and mobile terminal |
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| CN106505656A true CN106505656A (en) | 2017-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610890873.3A Pending CN106505656A (en) | 2016-10-12 | 2016-10-12 | A kind of charging method of mobile terminal, device, system and mobile terminal |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108318741A (en) * | 2018-03-14 | 2018-07-24 | 维沃移动通信有限公司 | A kind of impedance detection circuit and detection method |
| CN110945369A (en) * | 2018-09-30 | 2020-03-31 | Oppo广东移动通信有限公司 | System and method for testing charging device |
| CN111193501A (en) * | 2019-12-31 | 2020-05-22 | 上海创功通讯技术有限公司 | Control circuit and handheld electronic equipment |
| CN112994161A (en) * | 2020-05-28 | 2021-06-18 | 上海闻泰电子科技有限公司 | Terminal and charger |
| CN113162130A (en) * | 2020-01-22 | 2021-07-23 | 华为技术有限公司 | Contact type charging device, wearable equipment and contact type charging system |
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| CN105576727A (en) * | 2014-10-16 | 2016-05-11 | 中兴通讯股份有限公司 | Rapid charging method, apparatus and system thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105576727A (en) * | 2014-10-16 | 2016-05-11 | 中兴通讯股份有限公司 | Rapid charging method, apparatus and system thereof |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108318741A (en) * | 2018-03-14 | 2018-07-24 | 维沃移动通信有限公司 | A kind of impedance detection circuit and detection method |
| CN108318741B (en) * | 2018-03-14 | 2020-04-07 | 维沃移动通信有限公司 | Impedance detection circuit and detection method |
| CN110945369A (en) * | 2018-09-30 | 2020-03-31 | Oppo广东移动通信有限公司 | System and method for testing charging device |
| US11391786B2 (en) | 2018-09-30 | 2022-07-19 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Test system and method for charging device |
| CN110945369B (en) * | 2018-09-30 | 2022-09-20 | Oppo广东移动通信有限公司 | System and method for testing charging device |
| CN111193501A (en) * | 2019-12-31 | 2020-05-22 | 上海创功通讯技术有限公司 | Control circuit and handheld electronic equipment |
| CN111193501B (en) * | 2019-12-31 | 2023-03-24 | 上海创功通讯技术有限公司 | Control circuit and handheld electronic equipment |
| CN113162130A (en) * | 2020-01-22 | 2021-07-23 | 华为技术有限公司 | Contact type charging device, wearable equipment and contact type charging system |
| CN112994161A (en) * | 2020-05-28 | 2021-06-18 | 上海闻泰电子科技有限公司 | Terminal and charger |
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Application publication date: 20170315 |