CN110492575A - For the quick charging system and method for handheld device, handheld device - Google Patents
For the quick charging system and method for handheld device, handheld device Download PDFInfo
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- CN110492575A CN110492575A CN201910840350.1A CN201910840350A CN110492575A CN 110492575 A CN110492575 A CN 110492575A CN 201910840350 A CN201910840350 A CN 201910840350A CN 110492575 A CN110492575 A CN 110492575A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/007—Regulation of charging or discharging current or voltage
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
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- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of quick charging system for handheld device and method, handheld device, the quick charging system for handheld device, including charger, charging cable and equipment mainboard end, the charger are connected with the USB interface at equipment mainboard end；Equipment mainboard end includes the first charging module, the second charging module, regulation module, USB interface and battery, the USB interface is connected with the first charging module, the second charging module and regulation module respectively, and first charging module and the second charging module are connected with regulation module；The battery is connected with the first charging module, the second charging module and regulation module respectively；The charger includes microcontroller and charger interface, and the charging cable both ends are plugged in the charger interface and USB interface respectively.The present invention has the advantages that improve the charge efficiency of the battery.
Description
Technical field
The present invention relates to handheld device technical field more particularly to a kind of quick charging systems and side for handheld device
Method, handheld device.
Background technique
In the prior art, handheld device such as mobile phone can only carry out quick charge by Typc C charging cable, and be widely used
USB A-micro B charging cable can only handheld device realize normal charge, and can not achieve the effect of quick charge.
Summary of the invention
The main purpose of the present invention is to provide a kind of charging system of handheld device and methods, handheld device, it is intended to solve
The problem of certainly USB A-micro B charging cable can not achieve quick charge in the prior art.
To achieve the above object, the present invention provides a kind of quick charging system for handheld device, including charger, fills
Electric wire and equipment mainboard end, the charger are connected with the USB interface at equipment mainboard end；Equipment mainboard end is filled including first
Electric module, the second charging module, regulation module, USB interface and battery, the USB interface respectively with the first charging module, the
Two charging modules and regulation module are connected, and first charging module and the second charging module are connected with regulation module；Institute
Battery is stated to be connected with the first charging module, the second charging module and regulation module respectively；The charger includes microcontroller
And charger interface, the charging cable both ends are plugged in the charger interface and USB interface respectively.
Optionally, equipment mainboard end further includes switching module, and the switching module connects the USB interface and institute
State regulation module.
To achieve the goals above, the present invention also provides a kind of handheld device, equipment mainboard end includes the first charging
Module, the second charging module, regulation module, USB interface and battery, the USB interface respectively with the first charging module, second
Charging module and regulation module are connected, and first charging module and the second charging module are connected with regulation module；It is described
Battery is connected with the first charging module, the second charging module and regulation module respectively, and the USB interface is also used to be connected to interior
It is equipped on the charging interface of the external charger of microcontroller.
Optionally, equipment mainboard end further includes switching module, and the switching module connects the USB interface and institute
State regulation module.
Optionally, the switching module is single-pole double-throw switch (SPDT) or double-point double-throw switch.
Optionally, it is provided with DP pin, DM pin, I2C-CLK pin and I2C-SDA pin in the regulation module,
The USB interface is connect by the double-point double-throw switch with the DP pin, DM pin, alternatively, the double-point double-throw switch will
The USB interface and I2C-CLK pin, I2C-SDA pin.
To achieve the goals above, the present invention also provides a kind of fast charge methods, are applied to handheld device, described hand-held
Equipment include the first charging module, the second charging module and battery, the fast charge method the following steps are included:
Handheld device has detected charger by obtaining the resistance of the charging cable after the formed communication connection of charging cable
It is anti-；
According to the charge parameter of battery described in the impedance configuration, and according to charge parameter control first charging
Module charges to the handheld device battery.
Optionally, include: before the step of impedance for obtaining the charging cable
Handheld device has detected charger by detecting filling for the charger after the formed communication connection of charging cable
Electric port type；
When the charging port type is special charging port, control switching module fills the handheld device with described
The communication pattern of electric appliance switches to I2C slave communication pattern；
It determines that the I2C slave communication pattern is successfully established, obtains the maximum output voltage and most of the charger
Big output electric current.
Optionally, the step of charge parameter of the handheld device according to the impedance configuration includes:
When the impedance is less than default impedance, corresponding described first is obtained according to impedance section locating for the impedance
The maximum charging current and maximum charging voltage of charging module, wherein the maximum charging current is less than or equal to the charging
The maximum output current of device, the maximum charging voltage are less than or equal to the half of the maximum output current of the charger.
Optionally, described the step of being charged according to the charge parameter to the handheld device battery, includes:
Judge whether the current voltage of the battery of the handheld device reaches predeterminated voltage；
When the current voltage is not up to predeterminated voltage, it is permanent to the progress of the battery to enable second charging module
Current charge, until reaching the predeterminated voltage；
When the current voltage reaches predeterminated voltage, first charging module is enabled according to the maximum charging current
And the maximum charging voltage charges to the battery.
Optionally, described to enable first charging module according to the maximum charging current and maximum charge electricity
Pressure the step of charging to the battery includes:
In the constant-current charging phase of the battery, it is greater than preset alarm electricity in the maximum charging voltage for detecting the battery
When pressure, then reduce the maximum output voltage of the charger；
When the maximum charging voltage for detecting the battery is less than the preset alarm electric current, then increase the charger
Maximum output voltage.
Optionally, described to enable first charging module according to the maximum charging current and maximum charge electricity
Pressure the step of charging to the battery includes:
In the constant voltage charging phase of the battery, the preset alarm voltage value is reduced, is detecting the battery most
When big charging voltage is greater than the preset alarm voltage after reducing, then reduce the maximum output voltage of the charger；
When the maximum charging voltage for detecting the battery is less than the preset alarm electric current after the reduction, then increase institute
State the maximum output voltage of charger.
Optionally, described to enable first charging module according to the maximum charging current and maximum charge electricity
Pressure the step of charging to the battery includes:
In the constant voltage charging phase of the battery, make it voltage in the current voltage of the battery, and described
It when the maximum charging current of first charging module is less than scheduled current, controls first charging module and disconnects, enable described the
Two charging modules carry out charging to the battery until charging terminates.
To achieve the above object, the present invention also provides a kind of handheld device, the handheld device includes memory, processor
And it is stored in the charging procedure for the handheld device that can be run on the memory and on the processor, the handheld device
The step of charging procedure realizes fast charge method as described in any one of the above embodiments when being executed by the processor.
To achieve the above object, the present invention also provides a kind of readable storage medium storing program for executing, on the computer readable storage medium
It is stored with the charging procedure of handheld device, such as any of the above-described is realized when the charging procedure of the handheld device is executed by processor
The step of described fast charge method.
Technical solution of the present invention is by obtaining the impedance of the charging cable, and the battery according to the impedance configuration
Charge parameter carries out quick charge to the battery according to the charge parameter, to improve the charge efficiency of battery, this hair
In bright, the charging cable can select common USB A-Micro B charging cable, and the microcontroller of the charger is only needed to support
I2C slave communication pattern, the handheld device can output voltage to the charger and output electric current configure,
And first charging module is controlled according to the output voltage of the charger and output electric current configuration charging current and is filled
Piezoelectric voltage so that system and method for the invention has being widely used property, and reduces production cost, does not have to as existing
Typc C charger equally needs to increase special logic control chip.It is that Type C connects in the USB interface of the handheld device
When mouth, it is only necessary to the Micro B of the USB A-Micro B charging cable are forwarded to the Type C interface i.e. by Type C
Above-mentioned fast charge charging can be achieved.
Detailed description of the invention
Fig. 1 is the apparatus structure schematic diagram for the hardware running environment that the embodiment of the present invention is related to；
Fig. 2 is the circuit frame schematic diagram of quick charging system of the present invention；
Fig. 3 is the refinement flow diagram of an embodiment of fast charge method of the present invention；
Fig. 4 is the refinement flow diagram of another embodiment of fast charge method of the present invention；
Fig. 5 is the refinement flow diagram of an embodiment of fast charge method step S50 of the present invention.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
Main technical schemes of the invention:
Handheld device has detected charger by obtaining the resistance of the charging cable after the formed communication connection of charging cable
It is anti-；
The first charging module is controlled to institute according to the charge parameter of the impedance configuration battery, and according to the charge parameter
Handheld device battery is stated to charge.
In the prior art, handheld device such as mobile phone can only carry out quick charge by Typc C charging cable, and be widely used
USB A-micro B charging cable can only handheld device realize normal charge, and can not achieve the effect of quick charge.
Technical solution of the present invention is by obtaining the impedance of the charging cable, and the battery according to the impedance configuration
Charge parameter carries out quick charge to the battery according to the charge parameter, to improve the charge efficiency of battery, this hair
In bright, the charging cable can select common USB A-Micro B charging cable, and the microcontroller of the charger is only needed to support
I2C slave communication pattern, the handheld device can output voltage to the charger and output electric current configure,
And first charging module is controlled according to the output voltage of the charger and output electric current configuration charging current and is filled
Piezoelectric voltage so that system and method for the invention has being widely used property, and reduces production cost, does not have to as existing
Typc C charger equally needs to increase special logic control chip.It is that Type C connects in the USB interface of the handheld device
When mouth, it is only necessary to the Micro B of the USB A-Micro B charging cable are forwarded to the Type C interface i.e. by Type C
Above-mentioned fast charge charging can be achieved.
As shown in Figure 1, Fig. 1 is the hardware running environment schematic diagram for the handheld device that the embodiment of the present invention is related to.
Handheld device of the embodiment of the present invention can be mobile hand-held device, such as mobile phone, tablet computer, portable notebook electricity
Brain etc..As shown in Figure 1, the handheld device may include: processor 1001, such as CPU, network interface 1004, user interface
1003, memory 1005, communication bus 1002.Wherein, communication bus 1002 is for realizing the connection communication between these components.
User interface 1003 may include display screen (Display), input unit such as keyboard (Keyboard), remote controler, can be selected
Family interface 1003 can also include standard wireline interface and wireless interface.Network interface 1004 optionally may include standard
Wireline interface, wireless interface (such as memory (non-volatile memory), such as magnetic disk storage.Memory 1005 is optional
The storage device that can also be independently of aforementioned processor 1001.
It will be understood by those skilled in the art that the structure of handheld device shown in Fig. 1 does not constitute handheld device
It limits, may include perhaps combining certain components or different component layouts than illustrating more or fewer components.
As shown in Figure 1, as may include that operating system, network are logical in a kind of memory 1005 of computer storage medium
Believe the charging procedure of module, Subscriber Interface Module SIM and handheld device.
In handheld device shown in Fig. 1, network interface 1004 is mainly used for connecting background server, with background server
Carry out data communication；User interface 1003 is mainly used for connecting client (user terminal), carries out data communication with client；And locate
Reason device 1001 can be used for calling the charging procedure of the handheld device stored in memory 1005, and execute following operation:
Handheld device has detected charger by obtaining the resistance of the charging cable after the formed communication connection of charging cable
It is anti-；
The first charging module is controlled to institute according to the charge parameter of the impedance configuration battery, and according to the charge parameter
Handheld device battery is stated to charge.
Further, processor 1001 can call the charging procedure of the handheld device stored in memory 1005, also hold
The following operation of row:
Handheld device has detected charger by detecting filling for the charger after the formed communication connection of charging cable
Electric port type；
When the charging port type is special charging port, switching module is controlled by the handheld device and charger
Communication pattern switch to I2C slave communication pattern；
It determines that the I2C slave communication pattern is successfully established, obtains the maximum output voltage and most of the charger
Big output electric current.
Further, processor 1001 can call the charging procedure of the handheld device stored in memory 1005, also hold
The following operation of row:
Verification information is sent to the charger；
After receiving the confirmation message that the charger returns, determine that the I2C slave communication pattern is successfully established.
Further, processor 1001 can call the charging procedure of the handheld device stored in memory 1005, also hold
The following operation of row:
When the impedance is less than default impedance, corresponding described first is obtained according to impedance section locating for the impedance
The maximum charging current and maximum charging voltage of charging module, wherein the maximum charging current is less than or equal to the charging
The maximum output current of device, the maximum charging voltage are less than or equal to the half of the maximum output current of the charger.
Further, processor 1001 can call the charging procedure of the handheld device stored in memory 1005, also hold
The following operation of row:
Judge whether the current voltage of the handheld device battery reaches predeterminated voltage；
When the current voltage is not up to predeterminated voltage, the second charging module is enabled to the carry out constant-current charge of battery,
Until reaching the predeterminated voltage；
When the current voltage reaches predeterminated voltage, first charging module is enabled according to the maximum charging current
And the maximum charging voltage charges the battery.
Further, processor 1001 can call the charging procedure of the handheld device stored in memory 1005, also hold
The following operation of row:
In the constant-current charging phase of battery, when the maximum charging voltage for detecting battery is greater than preset alarm voltage, then
Reduce the maximum output voltage of the charger；
When the maximum charging voltage for detecting battery is less than preset alarm electric current, then the maximum for increasing the charger is defeated
Voltage out.
Further, processor 1001 can call the charging procedure of the handheld device stored in memory 1005, also hold
The following operation of row:
In the constant voltage charging phase of battery, the preset alarm voltage value is reduced, in the maximum charge electricity for detecting battery
When pressure is greater than the preset alarm voltage after reducing, then reduce the maximum output voltage of the charger；
When the maximum charging voltage for detecting battery is less than the preset alarm electric current after reducing, then increase the charger
Maximum output voltage.
Further, processor 1001 can call the charging procedure of the handheld device stored in memory 1005, also hold
The following operation of row:
In the constant voltage charging phase of battery, make it voltage, and first charging in the current voltage of battery
It when the maximum charging current of module is less than scheduled current, controls first charging module and disconnects, enable the second charging mould
Block charges the battery until charging terminates.
As shown in Fig. 2, the present invention provides a kind of handheld device 10, and the quick charging system for handheld device 10
100, the quick charging system 100 includes charger 20, charging cable and equipment mainboard end, the charger 20 and equipment mainboard
The usb 11 at end is connected；Equipment mainboard end include the first charging module 12, the second charging module 13, regulation module 14,
Usb 11 and battery 15, the usb 11 respectively with the first charging module 12, the second charging module 13 and regulation
Module 14 is connected, and first charging module 12 and the second charging module 13 are connected with regulation module 14；The battery 15 divides
It is not connected with the first charging module 12, the second charging module 13 and regulation module 14.
In the present embodiment, the handheld device 10 can be the portable devices such as mobile phone, tablet computer, and described hold sets
Be provided with usb 11 on standby 10 equipment mainboard end, the usb 11 concretely Micro B interface or
Type C interface etc.；The usb 11 is connect with the regulation module 14, for the regulation module 14 receive it is described
After the signal that usb 11 transmits, first charging module 12 or the second charging module 13 are controlled to the battery
15 chargings；The charger 20 is for the handheld device 10 to be electrically connected with city, to charge to the handheld device 10,
The charger 20 is the quick charger that can support the fast charges agreement such as QC, PE, to carry out quickly to the handheld device 10
Charging.
It is understood that the present embodiment handheld device 100 may be implemented double wireless while charge, such as described first charging
Module 12 and second charging module 13 can be wireless charging chip, and wired, wireless double charging modes also may be implemented
It charges simultaneously, such as first charging module 12 is wired charging chip, and second charging module 13 is wireless charging chip.
Optionally, the battery 16 in the present invention includes 16 protection board of battery core and battery, and the battery 16 passes through the regulation
Module 15 is connected, and regulation module 14 described in the present embodiment is SYS module, and the specific battery 16 passes through the Bat- of SYS module
Temp pin (i.e. Battery abridges with Temperature) is connected, thus to the real time monitoring for realizing 16 temperature of battery.
Optionally, the quick charging system 100 further includes charging cable 30, the charger 20 include microcontroller 21 with
And charger interface 22,40 both ends of charging cable are plugged in the charger interface 22 and usb 11 respectively.It is described to fill
Electric wire 40 can be USB A-Micro B charging cable 40, be also possible to Type C charging cable 40, be also possible to other charging cables
40, it need to be only adapted to the usb 11.
Optionally, equipment mainboard end further includes switching module 40, and the switching module 40 connects the usb 11
And the regulation module 15.Optionally, the switching module 40 is single-pole double-throw switch (SPDT) or double-point double-throw switch.The tune
DP pin, DM pin, I2C-CLK pin and I2C-SDA pin are provided in control module 15, and the double-point double-throw switch is by institute
It states charging interface to connect with the DP pin, DM pin, alternatively, the double-point double-throw switch is by the charging interface and I2C-
CLK pin, I2C-SDA pin.
In the present embodiment, the DP pin, DM pin, I2C-CLK pin and I2C-SDA pin are for carrying out signal
Transmission, when the DP pin, DM pin are connected to the usb 11 by the switching module 40, the regulation module
15 work in DP/DM operating mode, are connected in the I2C-CLK pin and I2C-SDA pin by the switching module 40
When to the usb 11, the regulation module 15 works in I2C slave communication mode, at this point, based on the handheld device
Machine, the charger are slave.
It in the present embodiment, can be with the charging when the regulation module 15 works in I2C slave communication mode
Device 20 carries out the information exchange of slave, and the regulation module 15 can be based on described in I2C slave communication mode detection
Whether charger 20 is charged by special charging port (DCP), and the regulation module 15 can also be by the charging
Device 20 sends verification information, and when receiving the confirmation message that the charger 20 returns, determine the handheld device 10 with
The I2C slave communication mode is established between the charger 20, the regulation module 15 is also based on the I2C principal and subordinate
Machine communication mode configures the maximum output voltage and maximum output current of the charger 20.
As shown in figure 3, being proposed of the invention based on above-mentioned handheld device and for the quick charging system of handheld device
Fast charge method is applied to handheld device, and the handheld device includes the first charging module, the second charging module and battery,
1st embodiment of the fast charge method the following steps are included:
Step S10, handheld device have detected charger by being filled after the formed communication connection of charging cable described in acquisition
The impedance of electric wire.
In the present embodiment, alternating current is connected in the charger and be inserted into the USB interface of the handheld device, with the hand
After holding equipment forms communication connection, the impedance of the available charging cable, specifically, what is inputted in Xiang Suoshu charging cable is known
Electric current, and the both ends for obtaining charging cable connection namely the charger end are to the pressure difference between first charging module end, root
According to Ohm's law, the pressure difference of the impedance of the charging cable and the quotient of the current known, it will be understood that it can also be passed through
His mode obtains the impedance of the charging cable, and details are not described herein.
Step S20, according to the charge parameter of battery described in the impedance configuration, and according to charge parameter control first
Charging module charges to the battery of the handheld device.
It in the present embodiment, can according to impedance configuration charger after the impedance for obtaining the charging cable
Output voltage and output electric current, and the output electric current and the output voltage are passed into first charging module,
First charging module configures the charging electricity of the battery according to the output electric current of the charger and the output voltage
Pressure and charging current in the present embodiment, carry out high current quick charge to the battery in such a way that half straightening fills,
In, the charging voltage is less than or equal to the half of the output voltage, and the charging current is less than or equal to the defeated of the charger
Electric current out, to realize the quick charge to battery by the maximum current of the charger.
In conclusion impedance of the technical solution of the present invention by the acquisition charging cable, and according to the impedance configuration
The charge parameter of the battery carries out quick charge to the battery according to the charge parameter, to improve filling for battery
Electrical efficiency, in the present invention, the charging cable can select common USB A-Micro B charging cable, only need the charger
Microcontroller supports I2C slave communication pattern, and the handheld device can output voltage to the charger and output
Electric current is configured, and is controlled first charging module and filled according to the output voltage of the charger and output electric current configuration
Electric current and charging voltage so that system and method for the invention has being widely used property, and reduce production cost,
Without needing to increase special logic control chip as existing Typc C charger.It is connect in the USB of the handheld device
When mouthful being Type C interface, it is only necessary to be forwarded to the Micro B of the USB A-Micro B charging cable by Type C described
Above-mentioned fast charge charging can be realized in Type C interface.
As shown in figure 4, being based on above-mentioned 1st embodiment, the 2nd embodiment of fast charge method of the invention is proposed, it is described
Include: before step S10
Step S30, handheld device have detected charger by being filled after the formed communication connection of charging cable described in detection
The charging port type of electric appliance；
Step S40 controls switching module for the handheld device when the charging port type is special charging port
I2C slave communication pattern is switched to the communication pattern of the charger；
Step S50 determines that the I2C slave communication pattern is successfully established, and obtains the maximum output electricity of the charger
Pressure and maximum output current.
In the present embodiment, handheld device has detected charger by detecting after the formed communication connection of charging cable
The charging port type of the charger then improves the charger when the charging port type is special charging port
In DP/DM voltage value predetermined voltage such as 0.6V, using the special charging port as the charging port of the charger,
And after persistently preset debounce duration, control switching module switches to the communication pattern of the handheld device and charger
I2C slave communication pattern, and after determining that the I2C slave communication pattern is successfully established, obtain the charger most
Big output voltage and maximum output current, so as to according to the maximum output voltage of the charger and maximum output electricity
The charge parameter of battery described in stream and the impedance configuration.
In the present embodiment, when the charging port type is USB charging port, then the charger is controlled to described
Battery carries out the constant-current charge less than or equal to 0.5A, when the charging port type is CDP charging port, then fills described in control
Electric appliance carries out the constant-current charge less than or equal to 0.5A to the battery.
As shown in figure 5, being based on above-mentioned 1-2 embodiment, the 3rd embodiment of fast charge method of the invention, institute are proposed
Stating step S50 includes:
Step S51, Xiang Suoshu charger sends verification information；
Step S52 determines the I2C slave communication pattern after receiving the confirmation message that the charger returns
It is successfully established.
In the present embodiment, Xiang Suoshu charger send verification information, the verification information carry with it is preset described
The identification information of charger such as charger ID, when the identification information match carried in the identification information and the charger,
After then the charger returns to confirmation message to the handheld device, then it can determine that the charger is that can carry out half straightening
The dedicated charger of type is filled, so as to carry out the subsequent maximum output voltage and maximum output for obtaining the charger
The step of electric current.
In the present embodiment, after the handheld device sends verification information to the charger, in prefixed time interval
It is inside not received by the confirmation message that the charger returns, at this point, further detecting whether the charger supports fast charge to assist
View such as PE fast charge agreement or QC fast charge agreement, when the charger supports fast charge agreement, then according to corresponding fast charge agreement
It charges to the battery, when the charger does not support fast charge agreement, then by conventional charging modes to the electricity
It charges in pond.
Based on above-mentioned 1-3 embodiment, the 4th embodiment of fast charge method of the invention, the step S20 packet are proposed
It includes:
Step S21 is obtained corresponding when the impedance is less than default impedance according to impedance section locating for the impedance
The maximum charging current and maximum charging voltage of first charging module, wherein the maximum charging current is less than or equal to
The maximum output current of the charger, the maximum charging voltage are less than or equal to the one of the maximum output current of the charger
Half.
In the present embodiment, the default impedance may be, for example, 0.5 Ω, when the impedance of the charging cable is less than 0.5 Ω,
The maximum charging current of corresponding first charging module is obtained according to impedance section locating for the impedance and maximum is filled
Piezoelectric voltage, wherein the maximum charging current is less than or equal to the maximum output current of the charger, the maximum charging voltage
Less than or equal to the half of the maximum output current of the charger, and according to the maximum charging current and maximum charging voltage
High current is carried out to the battery and partly presses charging.
In the present embodiment, when the impedance is greater than default impedance, show that the charging cable does not fit through half pressure and fills
The mode of electricity charges to the battery, at this point, further detecting whether the charger supports fast charge agreement such as PE fast charge
Agreement or QC fast charge agreement, when the charger supports fast charge agreement, then according to corresponding fast charge agreement to the battery
It charges, when the charger does not support fast charge agreement, is then charged by conventional charging modes to the battery.
Based on above-mentioned 1-4 embodiment, the 5th embodiment of fast charge method of the invention, the step S20 packet are proposed
It includes:
Step S22, judges whether the current voltage of the battery of the handheld device reaches predeterminated voltage；
It is permanent to the progress of battery to enable the second charging module when the current voltage is not up to predeterminated voltage by step S23
Current charge, until reaching the predeterminated voltage；
Step S24 enables first charging module according to the maximum when the current voltage reaches predeterminated voltage
Charging current and the maximum charging voltage charge to the battery.
In the present embodiment, the predeterminated voltage may be, for example, 3.5V, when the current voltage is not up to 3.5V, enable
First charging module carries out half straightening of high current to the battery and fills, and may damage the battery, therefore, enables second and fills
Electric module is to the carry out constant-current charge of battery, until the current voltage of the battery reaches the predeterminated voltage 3.5V；Described
After current voltage reaches predeterminated voltage 3.5V, second charging module is closed, enables first charging module according to described
Maximum charging current and the maximum charging voltage charge the battery.
Based on above-mentioned 1-5 embodiment, the 6th embodiment of fast charge method of the invention, the step S24 packet are proposed
It includes:
Step S241 is greater than in the constant-current charging phase of the battery in the maximum charging voltage for detecting the battery
When preset alarm voltage, then reduce the maximum output voltage of the charger；
Step S242 then increases when the maximum charging voltage for detecting the battery is less than the preset alarm electric current
The maximum output voltage of the charger.
Which kind of in the present embodiment, by detecting the current voltage of the battery, filled with judging that the battery is current in
The electric stage, when current voltage is less than predeterminated voltage, it is determined that the battery is in pre-charging stage, for example, the predeterminated voltage
It can be 3.5V；When current voltage is greater than predeterminated voltage and is less than goal-selling voltage, it is determined that the battery is filled in constant current
Electric stage, the goal-selling voltage can be the end voltage after the equal to or slightly less than described battery completely fills；It is big in current voltage
When the charging current of the goal-selling voltage and the battery is less than predetermined current, it is determined that the battery is filled in constant pressure
The electric stage；After getting the current charging stage of the battery, corresponding charge circuit conducting is controlled, to effectively improve institute
State the charge efficiency of battery.
In the present embodiment, in the constant-current charging phase of battery, it is greater than in the maximum charging voltage for detecting battery default
When alarm voltage, battery may be damaged, then reduces the maximum output voltage of the charger, due to described maximum charging voltage etc.
It, therefore, can corresponding reduction institute by subtracting the maximum output voltage of the charger in the half of the maximum output voltage
Maximum charging voltage is stated, so that the maximum charging voltage is less than the preset alarm voltage.It is filled in the maximum for detecting battery
When piezoelectric voltage is less than preset alarm electric current, then increase the maximum output voltage of the charger, due to the impedance of the charging cable
Be it is fixed, therefore, increase the maximum output voltage of the charger, the maximum output current of the charger can be increased,
Again because the maximum charging current of first charging module therefore can equal to less than the maximum output current of the charger
To increase the maximum charging current of the charging chip, to improve the charge efficiency to the battery.
Based on above-mentioned 1-6 embodiment, the 7th embodiment of fast charge method of the invention, the step S24 packet are proposed
It includes:
Step S243 reduces the preset alarm voltage value in the constant voltage charging phase of the battery, described detecting
When the maximum charging voltage of battery is greater than the preset alarm voltage after reducing, then reduce the maximum output voltage of the charger；
Step S244, the preset alarm electric current after the maximum charging voltage for detecting the battery is less than the reduction
When, then increase the maximum output voltage of the charger.
In the present embodiment, in the constant voltage charging phase of battery, at this point, the battery is already close to the state completely filled, because
This, needs to reduce the preset alarm voltage value, in order to avoid damage is generated to battery, meanwhile, in the maximum charge for detecting battery
When voltage is greater than the preset alarm voltage after reducing, then reduce the maximum output voltage of the charger, with the smaller maximum
Charging voltage；When the maximum charging voltage for detecting battery is less than the preset alarm electric current after reducing, then increase the charging
The maximum output voltage of device improves the charge efficiency to battery to improve the maximum charging current.
Based on above-mentioned 1-7 embodiment, the 8th embodiment of fast charge method of the invention, the step S24 packet are proposed
It includes:
Step S245 is made it electricity in the current voltage of the battery in the constant voltage charging phase of the battery
Pressure, and when the maximum charging current of first charging module is less than scheduled current, it controls first charging module and disconnects, open
Charging is carried out to the battery with second charging module until charging terminates.
In the present embodiment, in the rear half stage of the constant voltage charging phase of battery, reach predetermined in the current voltage of battery
Target voltage, that is, the battery is already close to the state completely filled, and the maximum charging current of first charging module is less than
When scheduled current, that is, electricity is more difficult to get access at this time arrives inside battery, then controls first charging module and disconnect, enable institute
It states the second charging module and constant-current charge is carried out to battery, until charging terminates.
To achieve the above object, the present invention also provides a kind of handheld device, the handheld device includes memory, processor
And it is stored in the charging procedure for the handheld device that can be run on the memory and on the processor, the handheld device
The step of charging procedure realizes fast charge method as described above when being executed by the processor.
To achieve the above object, the present invention also provides a kind of readable storage medium storing program for executing, on the computer readable storage medium
It is stored with the charging procedure of handheld device, is realized when the charging procedure of the handheld device is executed by processor as described above fast
The step of fast charging method.
The serial number of the above embodiments of the invention is only for description, does not represent the advantages or disadvantages of the embodiments.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can be realized by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on this understanding, technical solution of the present invention substantially in other words does the prior art
The part contributed out can be embodied in the form of software products, which is stored in one as described above
In storage medium (such as ROM/RAM, magnetic disk, CD), including some instructions are used so that a handheld device (can be TV
Machine, mobile phone, computer, server, handheld device or network equipment etc.) execute method described in each embodiment of the present invention.
The above is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (14)
1. a kind of quick charging system for handheld device, which is characterized in that including charger, charging cable and equipment mainboard
End, the charger are connected with the USB interface at equipment mainboard end；Equipment mainboard end is filled including the first charging module, second
Electric module, regulation module, USB interface and battery, the USB interface respectively with the first charging module, the second charging module with
And regulation module is connected, first charging module and the second charging module are connected with regulation module；The battery respectively with
First charging module, the second charging module and regulation module are connected；The charger includes that microcontroller and charger connect
Mouthful, the charging cable both ends are plugged in the charger interface and USB interface respectively.
2. quick charging system as described in claim 1, which is characterized in that equipment mainboard end further includes switching module,
The switching module connects the USB interface and the regulation module.
3. a kind of handheld device, which is characterized in that equipment mainboard end includes the first charging module, the second charging module, adjusts
Control module, USB interface and battery, the USB interface respectively with the first charging module, the second charging module and regulation module
It is connected, first charging module and the second charging module are connected with regulation module；The battery respectively with first charging mould
Block, the second charging module and regulation module are connected, and the USB interface, which is also used to be connected to, to be built-in with the outside of microcontroller and fill
On the charging interface of electric appliance.
4. handheld device as claimed in claim 3, which is characterized in that equipment mainboard end further includes switching module, described
Switching module connects the USB interface and the regulation module.
5. handheld device as claimed in claim 4, which is characterized in that the switching module is single-pole double-throw switch (SPDT) or double-pole
Commutator.
6. handheld device as claimed in claim 5, which is characterized in that be provided in the regulation module DP pin, DM pin,
I2C-CLK pin and I2C-SDA pin, the double-point double-throw switch connect the USB interface and the DP pin, DM pin
It connects, alternatively, the double-point double-throw switch is by the USB interface and I2C-CLK pin, I2C-SDA pin.
7. a kind of fast charge method, is applied to handheld device, the handheld device includes the first charging module, the second charging mould
Block and battery, which is characterized in that the fast charge method the following steps are included:
Handheld device has detected charger by obtaining the impedance of the charging cable after the formed communication connection of charging cable；
First charging module is controlled according to the charge parameter of battery described in the impedance configuration, and according to the charge parameter
It charges to the battery of the handheld device.
8. fast charge method as claimed in claim 7, which is characterized in that the step of the impedance for obtaining the charging cable
Include: before
Handheld device has detected charger by detecting the charging end of the charger after the formed communication connection of charging cable
Mouth type；
When the charging port type is special charging port, switching module is controlled by the handheld device and the charger
Communication pattern switch to I2C slave communication pattern；
Determine that the I2C slave communication pattern is successfully established, maximum output voltage and the maximum for obtaining the charger are defeated
Electric current out.
9. fast charge method as claimed in claim 8, which is characterized in that described hold according to the impedance configuration sets
The step of standby charge parameter includes:
When the impedance is less than default impedance, corresponding first charging is obtained according to impedance section locating for the impedance
The maximum charging current and maximum charging voltage of module, wherein the maximum charging current is less than or equal to the charger
Maximum output current, the maximum charging voltage are less than or equal to the half of the maximum output current of the charger.
10. fast charge method as claimed in claim 9, which is characterized in that it is described according to the charge parameter to the hand
The step of battery of holding equipment is charged include:
Judge whether the current voltage of the battery of the handheld device reaches predeterminated voltage；
When the current voltage is not up to predeterminated voltage, enables second charging module and the carry out constant current of the battery is filled
Electricity, until reaching the predeterminated voltage；
When the current voltage reaches predeterminated voltage, enable first charging module according to the maximum charging current and
The maximum charging voltage charges to the battery.
11. fast charge method as claimed in claim 10, which is characterized in that it is described enable first charging module according to
The step of maximum charging current and the maximum charging voltage charge to the battery include:
In the constant-current charging phase of the battery, it is greater than preset alarm voltage in the maximum charging voltage for detecting the battery
When, then reduce the maximum output voltage of the charger；
When the maximum charging voltage for detecting the battery is less than the preset alarm electric current, then increase the charger most
Big output voltage.
12. fast charge method as claimed in claim 10, which is characterized in that it is described enable first charging module according to
The step of maximum charging current and the maximum charging voltage charge to the battery include:
In the constant voltage charging phase of the battery, the preset alarm voltage value is reduced, is filled in the maximum for detecting the battery
When piezoelectric voltage is greater than the preset alarm voltage after reducing, then reduce the maximum output voltage of the charger；
When the maximum charging voltage for detecting the battery is less than the preset alarm electric current after the reduction, then filled described in increase
The maximum output voltage of electric appliance.
13. fast charge method as claimed in claim 10, which is characterized in that it is described enable first charging module according to
The step of maximum charging current and the maximum charging voltage charge to the battery include:
In the constant voltage charging phase of the battery, make it voltage, and described first in the current voltage of the battery
It when the maximum charging current of charging module is less than scheduled current, controls first charging module and disconnects, enable described second and fill
Electric module carries out charging to the battery until charging terminates.
14. a kind of handheld device, which is characterized in that the handheld device includes memory, processor and is stored in the storage
On device and the charging procedure of handheld device that can run on the processor, the charging procedure of the handheld device is by the place
Manage the step of realizing the fast charge method as described in any one of claim 7 to 13 when device executes.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910840350.1A CN110492575B (en) | 2019-09-05 | 2019-09-05 | Quick charging system and method for handheld device and handheld device |
| PCT/CN2019/118904 WO2021042566A1 (en) | 2019-09-05 | 2019-11-15 | Quick charging system and method for handheld device, and handheld device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910840350.1A CN110492575B (en) | 2019-09-05 | 2019-09-05 | Quick charging system and method for handheld device and handheld device |
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| Publication Number | Publication Date |
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| CN110492575A true CN110492575A (en) | 2019-11-22 |
| CN110492575B CN110492575B (en) | 2021-11-16 |
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| CN201910840350.1A Active CN110492575B (en) | 2019-09-05 | 2019-09-05 | Quick charging system and method for handheld device and handheld device |
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| CN (1) | CN110492575B (en) |
| WO (1) | WO2021042566A1 (en) |
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Also Published As
| Publication number | Publication date |
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| CN110492575B (en) | 2021-11-16 |
| WO2021042566A1 (en) | 2021-03-11 |
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