CN109167418A - A kind of wireless charging edge power down process method, system and storage medium - Google Patents
A kind of wireless charging edge power down process method, system and storage medium Download PDFInfo
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- CN109167418A CN109167418A CN201811280543.8A CN201811280543A CN109167418A CN 109167418 A CN109167418 A CN 109167418A CN 201811280543 A CN201811280543 A CN 201811280543A CN 109167418 A CN109167418 A CN 109167418A
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Classifications
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- H02J7/025—
-
- 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
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/70—Circuit arrangements or systems for wireless supply or distribution of electric power involving the reduction of electric, magnetic or electromagnetic leakage fields
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention relates to a kind of wireless charging edge power down process method, system and storage medium, processing method includes: to be charged with the charge power of the first preset value to wireless charging terminal；Calculate the charge efficiency of wireless charging terminal；And charge power is stepped up according to the size of charge efficiency and is charged, and calculates corresponding charge efficiency, when charge power and charge efficiency are all satisfied preset condition, charge to wireless charging terminal.The embodiment of the present invention is by charging to wireless charging terminal with the charge power of the first preset value, whether the charge efficiency of judgement at this time meets the requirements, and charge power is stepped up according to the size of charge efficiency and is charged, and calculate corresponding charge efficiency, confirm whether the position of wireless charging device and wireless charging terminal is adapted to charge according to charge efficiency, the case where frequently occurring power down during the charging process to avoid wireless charging terminal, charge.
Description
Technical field
The present invention relates to wireless charging technical field more particularly to a kind of wireless charging edge power down process methods, system
And storage medium.
Background technique
Wireless charging technology (Wireless charging technology) is derived from wireless power transmission technology, can be divided into
Low-power wireless charging and high-power wireless charging two ways.Due to transmitting energy between charger and power device with magnetic field
Amount, does not run wires to, therefore charger and the device of electricity consumption can accomplish that no conductive junction point is exposed, between the two so nothing
Line charge power technology is in every field using more and more extensive.
When wireless charging, when mobile phone is placed on wireless charging edge, also only have with regard to charge coil and receiving coil
When sub-fraction is overlapped, charging just with will appear such a phenomenon and put with regard to mobile phone at this time face and then shows charging, tightly
Then because electricity shortage charger closes wireless charging, then start display charging again, repeatedly charging and power down process
Constantly circulation, brings great puzzlement to user.
Summary of the invention
In order to solve the above-mentioned technical problem above-mentioned technical problem, at least one reality of the invention at least are partially solved or
It applies example and provides a kind of wireless charging edge power down process method, system and storage medium.
In a first aspect, being applied to wireless charging the embodiment of the invention provides a kind of wireless charging edge power down process method
Electric installation and wireless charging terminal；It the treating method comprises:
S1, it is charged with the charge power of the first preset value to the wireless charging terminal；
S2, the charge efficiency for calculating the wireless charging terminal；
S3, judge whether the charge efficiency is greater than or equal to preset threshold；
S4, when the charge efficiency is greater than or equal to the preset threshold, judge the charge power whether less than the
Two preset values charge to the wireless charging terminal if so, improving the charge power, carry out S2, if it is not, pre- with second
If the charge power of value charges to the wireless charging terminal.
Based on the above-mentioned technical proposal, the embodiment of the present invention can also make following improvement.
With reference to first aspect, described to calculate filling for the wireless charging terminal in the first embodiment of first aspect
Electrical efficiency specifically includes:
Obtain the reception power of the wireless charging terminal；
According to the charge power and the reception power, the charge efficiency is calculated by following calculation formula:
Wherein, α is the charge efficiency, PIt connectsFor the reception power, PIt fillsFor the charge power.
With reference to first aspect, in second of embodiment of first aspect, the S4 is specifically included:
When the charge efficiency is greater than or equal to the preset threshold；
Judge the charge power whether less than the second preset value；
If so, count is incremented, after improving the charge power with following calculation formula, S2 is carried out:
In=(n+1) × I0；
Wherein, InCharge power after being improved for n-th；I0For first preset value；N is the counting；
Alternatively, if it is not, by the counting be zeroed, and with the charge power of the second preset value to the wireless charging terminal into
Row charging.
Second of embodiment with reference to first aspect, etc. one side the third embodiment in,
Second preset value is the non-zero positive integer times of first preset value.
With reference to first aspect, in the 4th kind of embodiment of first aspect, the S4 is specifically included:
When the charge efficiency is greater than or equal to the preset threshold；
Judge the charge power whether less than the second preset value；
If so, count is incremented, after improving the charge power with following calculation formula, S2 is carried out:
Wherein, InCharge power after being improved for n-th, In-1Charge power after being improved for (n-1)th time, I0It is described
One preset value；N is the counting；
Alternatively, if it is not, by the counting be zeroed, and with the charge power of the second preset value to the wireless charging terminal into
Row charging.
With reference to first aspect, in the 5th kind of embodiment of first aspect, the processing method further include:
When the charge efficiency is less than the preset threshold, warning information is sent.
With reference to first aspect, in the 6th kind of embodiment of first aspect, the range of the preset threshold is percent 60
To percent 70.
It is any with reference to first aspect or in the first, second, third, fourth, the 5th or the 6th kind of embodiment of first aspect
A kind of embodiment, in the 7th kind of embodiment of first aspect, before the S1 further include:
The wireless charging device and wireless charging terminal are shaken hands, and carry out S1 after shaking hands successfully.
Second aspect, the embodiment of the invention provides a kind of wireless charging edge power down process systems, including wireless charging
Device and wireless charging terminal, the wireless charging terminal include processor, memory；The processor is for executing described deposit
The wireless charging edge power down process program stored in reservoir, to realize wireless charging described in any embodiment in first aspect
Edge power down process method.
The third aspect, the embodiment of the invention provides a kind of storage medium, the storage medium is stored with one or more
A program, one or more of programs can be executed by one or more processor, to realize any reality in first aspect
Apply wireless charging edge power down process method described in example.
Above-mentioned technical proposal of the invention has the advantages that the embodiment of the present invention passes through with first compared with prior art
The charge power of preset value charges to wireless charging terminal, judges whether charge efficiency at this time meets the requirements, and according to
Charge efficiency steps up charge power and charges, and calculates corresponding charge efficiency, confirms wireless charging according to charge efficiency
Whether the position of electric installation and wireless charging terminal is adapted to charge, during the charging process to avoid wireless charging terminal
The case where frequently occurring power down, charging.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows and meets implementation of the invention
Example, and be used to explain the principle of the present invention together with specification.
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, for those of ordinary skill in the art
Speech, without any creative labor, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the hardware configuration signal of one provided in an embodiment of the present invention optional wireless charging terminal；
Fig. 2 be another embodiment of the present invention provides a kind of wireless charging edge power down process method flow schematic diagram；
Fig. 3 be further embodiment of this invention provide a kind of wireless charging edge power down process method flow schematic diagram its
One；
Fig. 4 be further embodiment of this invention provide a kind of wireless charging edge power down process method flow schematic diagram its
Two；
Fig. 5 be further embodiment of this invention provide a kind of wireless charging edge power down process method flow schematic diagram its
Three；
Fig. 6 is a kind of wireless charging edge power down process system structure diagram that further embodiment of this invention provides；
Fig. 7 is the structural schematic diagram for the wireless charging terminal that further embodiment of this invention provides.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
Member's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
The wireless charging terminal of each embodiment of the present invention is realized in description with reference to the drawings.In subsequent description,
Using the suffix for indicating such as " module ", " component " or " unit " of element only for being conducive to explanation of the invention,
There is no specific meanings for itself.Therefore, " module " can be used mixedly with " component ".
Wireless charging terminal can be implemented in a variety of manners.For example, terminal described in the present invention may include such as
Mobile phone, smart phone, laptop, digit broadcasting receiver, PDA (Personal Digital Assistant, it is a
Personal digital assistant), PAD (Portable Android Device, tablet computer), PMP (Portable Media Player,
Portable media player), the wireless charging terminal of navigation device etc. and such as number TV, desktop computer etc.
Fixed terminal.Hereinafter it is assumed that terminal is wireless charging terminal.However, it will be understood by those skilled in the art that in addition to especially using
Except the element of mobile purpose, the construction of embodiment according to the present invention can also apply to the terminal of fixed type.
The hardware structural diagram of Fig. 1 wireless charging terminal of each embodiment to realize the present invention.
Wireless charging terminal 100 may include wireless communication unit 110, A/V (audio/video) input unit 120, user
Input unit 130, sensing unit 140, output unit 150, memory 160, interface unit 170, controller 180 and power supply unit
190 etc..Fig. 1 shows the wireless charging terminal with various assemblies, it should be understood that being not required for implementing all show
Component out.More or fewer components can alternatively be implemented.The element of wireless charging terminal will be discussed in more detail below.
Wireless communication unit 110 generally includes one or more components, allows wireless charging terminal 100 and wireless communication
Radio communication between system or network.For example, wireless communication unit may include broadcasting reception module 111, mobile communication
At least one of module 112, wireless Internet module 113, short range communication module 114 and location information module 115.
Broadcasting reception module 111 receives broadcast singal and/or broadcast from external broadcast management server via broadcast channel
Relevant information.Broadcast channel may include satellite channel and/or terrestrial channel.Broadcast management server, which can be, to be generated and sent
The broadcast singal and/or broadcast related information generated before the server or reception of broadcast singal and/or broadcast related information
And send it to the server of terminal.Broadcast singal may include TV broadcast singal, radio signals, data broadcasting
Signal etc..Moreover, broadcast singal may further include the broadcast singal combined with TV or radio signals.Broadcast phase
Closing information can also provide via mobile communications network, and in this case, broadcast related information can be by mobile communication mould
Block 112 receives.Broadcast singal can exist in a variety of manners, for example, it can be with the electronics of digital multimedia broadcasting (DMB)
Program guide (EPG), digital video broadcast-handheld (DVB-H) electronic service guidebooks (ESG) etc. form and exist.Broadcast
Receiving module 111 can receive signal broadcast by using various types of broadcast systems.Particularly, broadcasting reception module 111
It can be wide by using such as multimedia broadcasting-ground (DMB-T), digital multimedia broadcasting-satellite (DMB-S), digital video
It broadcasts-holds (DVB-H), the Radio Data System of forward link media (Media FLO), received terrestrial digital broadcasting integrated service
(ISDB-T) etc. digit broadcasting system receives digital broadcasting.Broadcasting reception module 111, which may be constructed such that, to be adapted to provide for extensively
Broadcast the various broadcast systems and above-mentioned digit broadcasting system of signal.Via the received broadcast singal of broadcasting reception module 111 and/
Or broadcast related information can store in memory 160 (or other types of storage medium).
Mobile communication module 112 sends radio signals to base station (for example, access point, node B etc.), exterior terminal
And at least one of server and/or receive from it radio signal.Such radio signal may include that voice is logical
Talk about signal, video calling signal or according to text and/or Multimedia Message transmission and/or received various types of data.
The Wi-Fi (Wireless Internet Access) of the support wireless charging terminal of wireless Internet module 113.The module can be internal or outer
It is couple to terminal to portion.Wi-Fi (Wireless Internet Access) technology involved in the module may include WLAN (Wireless LAN) (Wi-Fi),
Wibro (WiMAX), Wimax (worldwide interoperability for microwave accesses), HSDPA (high-speed downlink packet access) etc..
Short range communication module 114 is the module for supporting short range communication.Some examples of short-range communication technology include indigo plant
Tooth TM, radio frequency identification (RFID), Infrared Data Association (IrDA), ultra wide band (UWB), purple honeybee TM etc..
Location information module 115 is the module for checking or obtaining the location information of wireless charging terminal.Location information
The typical case of module is GPS (global positioning system).According to current technology, location information module 115, which calculates, comes from three
Or more satellite range information and correct time information and the Information application triangulation for calculating, thus according to
Longitude, latitude and highly accurately calculate three-dimensional current location information.Currently, the method for calculating position and temporal information makes
The error of calculated position and temporal information is corrected with three satellites and by using an other satellite.In addition, position
Setting information module 115 can be by Continuous plus current location information in real time come calculating speed information.
A/V input unit 120 is for receiving audio or video signal.A/V input unit 120 may include 121 He of camera
Microphone 122, camera 121 is to the static images obtained in video acquisition mode or image capture mode by image capture apparatus
Or the image data of video is handled.Treated, and picture frame may be displayed on display unit 151.It is handled through camera 121
Picture frame afterwards can store in memory 160 (or other storage mediums) or be sent out via wireless communication unit 110
It send, two or more cameras 121 can be provided according to the construction of wireless charging terminal.Microphone 122 can be in telephone relation
Sound (audio data) is received via microphone 122 in mode, logging mode, speech recognition mode etc. operational mode, and
It can be audio data by such acoustic processing.Audio that treated (voice) data can be the telephone calling model the case where
Under be converted to can be sent to via mobile communication module 112 mobile communication base station format output.Microphone 122 can be implemented respectively
The noise of seed type eliminates what (or inhibition) algorithm generated during sending and receiving audio signal to eliminate (or inhibition)
Noise or interference.
The order that user input unit 130 can be inputted according to user generates key input data to control wireless charging terminal
Various operations.User input unit 130 allows user to input various types of information, and may include keyboard, metal dome,
Touch tablet (for example, the sensitive component of detection due to the variation of resistance, pressure, capacitor etc. caused by being contacted), shakes idler wheel
Bar etc..Particularly, when touch tablet is superimposed upon in the form of layer on display unit 151, touch screen can be formed.
Sensing unit 140 detects the current state of wireless charging terminal 100, (for example, the opening of wireless charging terminal 100
Or closed state), the contact (that is, touch input) of the position of wireless charging terminal 100, user for wireless charging terminal 100
The presence or absence of, the acceleration or deceleration of the orientation of wireless charging terminal 100, wireless charging terminal 100 is mobile and direction etc., and raw
Order or signal at the operation for controlling wireless charging terminal 100.For example, when wireless charging terminal 100 is embodied as sliding
When type mobile phone, it is to open or close that sensing unit 140, which can sense the sliding-type phone,.In addition, 140 energy of sensing unit
Enough whether detection power supply unit 190 provides electric power or whether interface unit 170 couples with external device (ED).Sensing unit 140 can
To include proximity sensor 141.
Interface unit 170 is used as wireless charging terminal 100 and connect at least one external device (ED).For example, external device (ED) can
With include wired or wireless head-band earphone port, external power supply (or battery charger) port, wired or wireless data port,
Memory card port, port, the port audio input/output (I/O), video i/o end for connecting the device with identification module
Mouth, ear port etc..Identification module can be storage and use the various information of wireless charging terminal 100 simultaneously for verifying user
It and may include subscriber identification module (UIM), client identification module (SIM), Universal Subscriber identification module (USIM) etc..Separately
Outside, the device (hereinafter referred to as " identification device ") with identification module can take the form of smart card, and therefore, identification device can
To be connect via port or other attachment devices with wireless charging terminal 100.Interface unit 170 can be used for receiving from outside
The input (for example, data information, electric power etc.) of device and the input received is transferred in wireless charging terminal 100
One or more elements can be used for transmitting data between wireless charging terminal and external device (ED).In addition, working as wireless charging
When electric terminals 100 are connect with external base, interface unit 170 may be used as allowing to provide electric power to wireless from pedestal by it
The path of charging terminal 100 may be used as that the various command signals inputted from pedestal is allowed to be transferred to wireless charging by it
The path of terminal.Whether the various command signals or electric power inputted from pedestal may be used as wireless charging terminal for identification accurate
The signal that ground is mounted on the base.
Output unit 150 is configured to provide output signal with vision, audio and/or tactile manner (for example, audio is believed
Number, vision signal, alarm signal, vibration signal etc.).Output unit 150 may include display unit 151, audio output mould
Block 152, alarm unit 153 etc..
Display unit 151 may be displayed on the information handled in wireless charging terminal 100.For example, working as wireless charging terminal
100 be in telephone calling model when, display unit 151 can show with converse or it is other communicate (for example, text messaging,
Multimedia file downloading etc.) relevant user interface (UI) or graphic user interface (GUI).At wireless charging terminal 100
When video calling mode or image capture mode, display unit 151 can show captured image and/or received figure
Picture, the UI or GUI that show video or image and correlation function etc..
Meanwhile when display unit 151 and touch tablet in the form of layer it is superposed on one another to form touch screen when, display unit
151 may be used as input unit and output device.Display unit 151 may include liquid crystal display (LCD), thin film transistor (TFT)
In LCD (TFT-LCD), Organic Light Emitting Diode (OLED) display, flexible display, three-dimensional (3D) display etc. at least
It is a kind of.Some in these displays may be constructed such that transparence to allow user to watch from outside, this is properly termed as transparent
Display, typical transparent display can be, for example, TOLED (transparent organic light emitting diode) display etc..According to specific
Desired embodiment, wireless charging terminal 100 may include two or more display units (or other display devices), example
Such as, wireless charging terminal may include outernal display unit (not shown) and inner display unit (not shown).Touch screen is available
In detection touch input pressure and touch input position and touch input area.
Audio output module 152 can be in call signal reception pattern, call mode, record mould in wireless charging terminal
It is when under the isotypes such as formula, speech recognition mode, broadcast reception mode, wireless communication unit 110 is received or in memory
The audio data transducing audio signal and output stored in 160 is sound.Moreover, audio output module 152 can provide with
The relevant audio output of specific function that wireless charging terminal 100 executes is (for example, call signal receives sound, message sink sound
Sound etc.).Audio output module 152 may include loudspeaker, buzzer etc..
Alarm unit 153 can provide output, and event is notified to wireless charging terminal 100.Typical thing
Part may include calling reception, message sink, key signals input, touch input etc..It is alert other than audio or video output
Declaration form member 153 can provide output in different ways with the generation of notification event.For example, alarm unit 153 can be with vibration
Form provide output, when receive calling, message or it is some it is other enter communication (incoming communication) when,
Alarm unit 153 can provide tactile output (that is, vibration) to notify to user.By providing such tactile output,
Even if user also can recognize that the generation of various events when the mobile phone of user is in the pocket of user.Alarm list
Member 153 can also provide the output of the generation of notification event via display unit 151 or audio output module 152.
Memory 160 can store the software program etc. of the processing and control operation that are executed by controller 180, Huo Zheke
Temporarily to store oneself data (for example, telephone directory, message, still image, video etc.) through exporting or will export.And
And memory 160 can store about the vibrations of various modes and audio signal exported when touching and being applied to touch screen
Data.
Memory 160 may include the storage medium of at least one type, and storage medium includes flash memory, hard disk, multimedia
Card, card-type memory (for example, SD or DX memory etc.), random access storage device (RAM), static random-access memory
(SRAM), read-only memory (ROM), electrically erasable programmable read-only memory (EEPROM), programmable read only memory
(PROM), magnetic storage, disk, CD etc..Moreover, wireless charging terminal 100 can be deposited with by being connected to the network to execute
The network storage device of the store function of reservoir 160 cooperates.
The overall operation of the usually control wireless charging terminal of controller 180.For example, controller 180 execute with voice communication,
The relevant control of data communication, video calling etc. and processing.In addition, controller 180 may include for reproducing (or playback)
The multi-media module 181 of multi-medium data, multi-media module 181 can construct in controller 180, or can be structured as with
Controller 180 separates.Controller 180 can with execution pattern identifying processing, by the handwriting input executed on the touchscreen or
Picture draws input and is identified as character or image.
Power supply unit 190 receives external power or internal power under the control of controller 180 and provides operation each member
Electric power appropriate needed for part and component.
Various embodiments described herein can be to use the calculating of such as computer software, hardware or any combination thereof
Machine readable medium is implemented.Hardware is implemented, embodiment described herein can be by using application-specific IC
(ASIC), digital signal processor (DSP), digital signal processing device (DSPD), programmable logic device (PLD), scene can
Programming gate array (FPGA), controller, microcontroller, microprocessor, is designed to execute function described herein processor
At least one of electronic unit is implemented, and in some cases, such embodiment can be implemented in controller 180.
For software implementation, the embodiment of such as process or function can with allow to execute the individual of at least one functions or operations
Software module is implemented.Software code can by the software application (or program) write with any programming language appropriate Lai
Implement, software code can store in memory 160 and be executed by controller 180.
So far, oneself is through describing wireless charging terminal according to its function.In the following, for the sake of brevity, description is such as rolled over
Sliding-type in various types of wireless charging terminals of stack-type, board-type, oscillating-type, sliding-type wireless charging terminal etc. without
Line charge electric terminals are as example.Therefore, the present invention can be applied to any kind of wireless charging terminal, and be not limited to slide
Type wireless charging terminal.
Wireless charging terminal 100 as shown in Figure 1, which may be constructed such that, sends all of data using via frame or grouping
It is operated such as wired and wireless communication system and satellite-based communication system.
Based on above-mentioned wireless charging terminal hardware structure, each embodiment of the method for the present invention is proposed.
As shown in Fig. 2, a kind of wireless charging edge power down process method provided in an embodiment of the present invention, is applied to wireless charging
Electric installation and wireless charging terminal；Processing method includes:
S1, it is charged with the charge power of the first preset value to wireless charging terminal.
It in the present embodiment, is to need to allow wireless charging before wireless charging terminal charged by wireless charging device
Electric installation and wireless charging terminal are shaken hands, and after shaking hands successfully, the coil of wireless charging device and wireless charging terminal is carried out
Wireless energy transfer is realized to wireless charging terminal charge, can use current control on the charging circuit of wireless charging device
Switching tube limit charging current so that wireless charging device output charge power be the first preset value.
In the present embodiment, there are no starting to charge when shaking hands, power consumption is relatively low at this time；When the electricity started to charge
Electric current in road increases, and will increase the loss of entire route, charge efficiency at this time can cause to charge due to the growth of loss
The decline of efficiency, since charging voltage will not change, it is possible to change charge power by changing charging current.
In the present embodiment, before S1 further include: wireless charging device and wireless charging terminal are shaken hands, success of shaking hands
After carry out S1, i.e. wireless charging device and wireless charging terminal is communicated.
S2, the charge efficiency for calculating wireless charging terminal.
In the present embodiment, during wireless charging, the input of charging process includes: the charging function of wireless charging device
Rate, the output of charging process include: the reception power of line loss, coil leakage field and wireless charging terminal, wherein charge efficiency
It can be calculated, can also be calculated according to the total losses during wireless charging by reception power and charge power.
Wireless charging terminal involved in the present embodiment is the terminal to be charged by wireless charging, wireless charging device
The terminal to charge for wireless charging terminal.
S3, judge whether charge efficiency is greater than or equal to preset threshold.
In the present embodiment, charge efficiency is too low, illustrates that the loss of charging process is excessive, according to the loss of charging process
It is known that charge efficiency is too low, illustrate that coil leakage field is excessive, i.e. the coil position of wireless charging terminal and wireless charging device
It sets and does not correspond to, indicate whether wireless charging device and wireless charging terminal are corresponding by the size of charge efficiency.
Compared with by the size between charge efficiency and preset threshold, to judge wireless charging device and wireless charging terminal
Positional relationship, thus detect whether wireless charging terminal good can charge.
For example, preset threshold at least will percent 50 or more, can guarantee in this way charge efficiency percent 50 or more,
The position between wireless charging terminal and wireless charging device is confirmed whether to matching, since charge power was charging with this
Loss in journey is larger, preset threshold can be arranged between percent 60 to percent 70.
S4, when charge efficiency be greater than or equal to preset threshold when, judge charge power whether less than the second preset value, if
It is to improve charge power to charge to wireless charging terminal, S2 is carried out, if it is not, with the charge power of the second preset value to nothing
Line charge electric terminals charge.
In the present embodiment, when charge efficiency is higher than preset threshold, then it can confirm that charge efficiency at this time is good, wirelessly
Charging terminal can be the specified charge power of wireless charging terminal with constant charge, the second preset value, judge charge power
Whether reach the second preset value, if charge power is not up to the second preset value, improves charge power and wireless charging terminal is carried out
Charging, and the step of recycling S2 to S4, when charge efficiency is higher than preset threshold, and charge power reaches the second preset value,
It is charged with the charge power of the second preset value to wireless charging terminal, wherein the corresponding charging current of the first preset value can be with
It is 100mA, the corresponding charging current of the second preset value can be 2A, and each cyclic process can be by the charging current of charge power
100mA is improved, the charge efficiency in the case of different charge powers is successively detected, avoids wireless charging terminal and wireless charging device
Position not to it is corresponding when wireless charging terminal frequent charge, power down the case where.
In the present embodiment, as shown in figure 3, the method for calculating the charge efficiency of wireless charging terminal in step S2 includes:
S21, the reception power for obtaining wireless charging terminal.
The reception power of wireless charging terminal can be calculated according to the charging rate of the battery of wireless charging terminal, also
Can according in the battery charging circuit of wireless charging terminal current value and voltage value calculated, wherein due to wireless charging
The battery of electric terminals has certain loss during the charging process, so according in the battery charging circuit of wireless charging terminal
The reception power that current value and voltage value are calculated is greater than to be calculated according to the charging rate of the battery of wireless charging terminal
Reception power.
S22, according to charge power and receive power, pass through following calculation formula calculate charge efficiency:
Wherein, α is charge efficiency, PIt connectsTo receive power, PIt fillsFor charge power.
Due to centainly having partition losses in charging process, so charge efficiency can be between 0 to 1, and efficiency of transmission is got over
It is low, then obtain being lost in charging process it is higher, when charge efficiency be lower than 50 percent when, the reception function of wireless charging terminal
Rate is too low, and at this time wireless charging device can not provide more charge powers go meet receive power, so, in book step
Middle calculating charge efficiency, the working efficiency of wireless charging device is indicated by charge efficiency.
In the present embodiment, when charge efficiency is less than preset threshold, warning information is sent, is preset when charge efficiency is less than
When threshold value, i.e., the position of wireless charging terminal and wireless charging device mismatches, and wireless charging terminal good can not charge, institute
To think to send the warning information of the relative position comprising mobile wireless charging terminal and wireless charging device to user at this time.
As shown in figure 4, a kind of wireless charging edge power down process method provided in an embodiment of the present invention, is applied to wireless charging
Electric installation and wireless charging terminal；Processing method includes:
S31, it is charged with the charge power of the first preset value to wireless charging terminal.
It in the present embodiment, is to need to allow wireless charging before wireless charging terminal charged by wireless charging device
Electric installation and wireless charging terminal are shaken hands, and after shaking hands successfully, the coil of wireless charging device and wireless charging terminal is carried out
Wireless energy transfer is realized to wireless charging terminal charge, can use current control on the charging circuit of wireless charging device
Switching tube limit charging current so that wireless charging device output charge power be the first preset value.
In the present embodiment, there are no starting to charge when shaking hands, power consumption is relatively low at this time；When the electricity started to charge
Electric current in road increases, and will increase the loss of entire route, charge efficiency at this time can cause to charge due to the growth of loss
The decline of efficiency, since charging voltage will not change, it is possible to change charge power by changing charging current.
S32, the charge efficiency for calculating wireless charging terminal.
In the present embodiment, during wireless charging, the input of charging process includes: the charging function of wireless charging device
Rate, the output of charging process include: the reception power of line loss, coil leakage field and wireless charging terminal, wherein charge efficiency
It can be calculated, can also be calculated according to the total losses during wireless charging by reception power and charge power.
Wireless charging terminal involved in the present embodiment is the terminal to be charged by wireless charging, wireless charging device
The terminal to charge for wireless charging terminal.
S33, judge whether charge efficiency is greater than or equal to preset threshold.
In the present embodiment, charge efficiency is too low, illustrates that the loss of charging process is excessive, according to the loss of charging process
It is known that charge efficiency is too low, illustrate that coil leakage field is excessive, i.e. the coil position of wireless charging terminal and wireless charging device
It sets and does not correspond to, indicate whether wireless charging device and wireless charging terminal are corresponding by the size of charge efficiency.
Compared with by the size between charge efficiency and preset threshold, to judge wireless charging device and wireless charging terminal
Positional relationship, thus detect whether wireless charging terminal good can charge.
For example, preset threshold at least will percent 50 or more, can guarantee in this way charge efficiency percent 50 or more,
The position between wireless charging terminal and wireless charging device is confirmed whether to matching, since charge power was charging with this
Loss in journey is larger, preset threshold can be arranged between percent 60 to percent 70.
S34, when charge efficiency be greater than or equal to preset threshold when；Judge charge power whether less than the second preset value.
In the present embodiment, when charge efficiency is higher than preset threshold, then it can confirm that charge efficiency at this time is good, wirelessly
Charging terminal can be the specified charge power of wireless charging terminal with constant charge, the second preset value, judge charge power
Whether second preset value is reached.
S35a, if so, count is incremented, after improving charge power with following calculation formula, carry out S32:
In=(n+1) × I0；
Wherein, InCharge power after being improved for n-th；I0For the first preset value；N is to count.
In the present embodiment, when charge power is less than the second preset value, count is incremented, and the initial value of counting is 0, and will
Execution step S32 is recycled after charge power increases by the first preset value, after calculating charge efficiency, judges whether charge efficiency is full
Sufficient condition.
S35b or, if it is not, by count be zeroed, and with the charge power of the second preset value to wireless charging terminal carry out
Charging.
In the present embodiment, when charge power reaches the second preset value, as charge power is equal to the second preset value or fills
When electrical power is greater than the second preset value, it is zeroed counting, wireless charging terminal is filled with the charge power of the second preset value
Electricity confirms whether wireless charging terminal is mutually adapted with the position of wireless charging device through the above steps, is guaranteeing charging effect
It is charged using optimal charge power to wireless charging terminal in the case where rate.
In the present embodiment, the second preset value is the non-zero positive integer times of the first preset value, for example, the first preset value can be with
It is 5V multiplied by 100mA, it is voltage unit that the second preset value, which can be 5V multiplied by 2A, V, and mA and A are current unit.
As shown in figure 5, a kind of wireless charging edge power down process method provided in an embodiment of the present invention, is applied to wireless charging
Electric installation and wireless charging terminal；Processing method includes:
S41, it is charged with the charge power of the first preset value to wireless charging terminal.
It in the present embodiment, is to need to allow wireless charging before wireless charging terminal charged by wireless charging device
Electric installation and wireless charging terminal are shaken hands, and after shaking hands successfully, the coil of wireless charging device and wireless charging terminal is carried out
Wireless energy transfer is realized to wireless charging terminal charge, can use current control on the charging circuit of wireless charging device
Switching tube limit charging current so that wireless charging device output charge power be the first preset value.
In the present embodiment, there are no starting to charge when shaking hands, power consumption is relatively low at this time；When the electricity started to charge
Electric current in road increases, and will increase the loss of entire route, charge efficiency at this time can cause to charge due to the growth of loss
The decline of efficiency, since charging voltage will not change, it is possible to change charge power by changing charging current.
S42, the charge efficiency for calculating wireless charging terminal.
In the present embodiment, during wireless charging, the input of charging process includes: the charging function of wireless charging device
Rate, the output of charging process include: the reception power of line loss, coil leakage field and wireless charging terminal, wherein charge efficiency
It can be calculated, can also be calculated according to the total losses during wireless charging by reception power and charge power.
Wireless charging terminal involved in the present embodiment is the terminal to be charged by wireless charging, wireless charging device
The terminal to charge for wireless charging terminal.
S43, judge whether charge efficiency is greater than or equal to preset threshold.
In the present embodiment, charge efficiency is too low, illustrates that the loss of charging process is excessive, according to the loss of charging process
It is known that charge efficiency is too low, illustrate that coil leakage field is excessive, i.e. the coil position of wireless charging terminal and wireless charging device
It sets and does not correspond to, indicate whether wireless charging device and wireless charging terminal are corresponding by the size of charge efficiency.
Compared with by the size between charge efficiency and preset threshold, to judge wireless charging device and wireless charging terminal
Positional relationship, thus detect whether wireless charging terminal good can charge.
For example, preset threshold at least will percent 50 or more, can guarantee in this way charge efficiency percent 50 or more,
The position between wireless charging terminal and wireless charging device is confirmed whether to matching, since charge power was charging with this
Loss in journey is larger, preset threshold can be arranged between percent 60 to percent 70.
S44, when charge efficiency be greater than or equal to preset threshold when；Judge charge power whether less than the second preset value.
In the present embodiment, when charge efficiency is higher than preset threshold, then it can confirm that charge efficiency at this time is good, wirelessly
Charging terminal can be the specified charge power of wireless charging terminal with constant charge, the second preset value, judge charge power
Whether second preset value is reached.
S45a, if so, count is incremented, after improving charge power with following calculation formula, carry out S42:
Wherein, InCharge power after being improved for n-th, In-1Charge power after being improved for (n-1)th time, I0It is pre- for first
If value；N is to count.
In the present embodiment, when charge power is less than the second preset value, count is incremented, and the initial value of counting is 0, and will
Charge power is recycled by execution step S42 after formula increase, after calculating charge efficiency, judges whether charge efficiency meets item
The increasing degree of part, the charge power of above-mentioned formula is reduced with the increase of cycle-index, when lower due to charge power, nothing
The loss of line charge electric process is lower, and charge power can be increased when smaller with biggish increasing degree, to charge power compared with
When big, so that it may use lesser increasing degree, confirm that, when charge power reaches the second preset value, charge efficiency is with this
No qualification, when guaranteeing final progress wireless charging, charge efficiency meets preset condition, i.e. wireless charging device and wireless charging is whole
The position at end is adapted.
S45b or, if it is not, by count be zeroed, and with the charge power of the second preset value to wireless charging terminal carry out
Charging.
In the present embodiment, when charge power reaches the second preset value, as charge power is equal to the second preset value or fills
When electrical power is greater than the second preset value, it is zeroed counting, wireless charging terminal is filled with the charge power of the second preset value
Electricity confirms whether wireless charging terminal is mutually adapted with the position of wireless charging device through the above steps, is guaranteeing charging effect
It is charged using optimal charge power to wireless charging terminal in the case where rate.
As shown in fig. 6, second aspect, the embodiment of the invention provides a kind of wireless charging edge power down process system, nothings
Line charge electricity edge power down process system includes processor, memory；Processor is for executing the wireless charging stored in memory
Edge power down process program, to realize the wireless charging edge power down process method of any embodiment in first aspect.
Fig. 7 is the structural schematic diagram for the wireless charging terminal that another embodiment of the present invention provides.Wireless charging shown in Fig. 7
Electric terminals 400 include: at least one processor 401, memory 402, at least one network interface 404 and other users interface
403.Various components in wireless charging terminal 400 are coupled by bus system 405.It is understood that bus system 405 is used
Connection communication between these components of realization.Bus system 405 further includes power bus, control in addition to including data/address bus
Bus and status signal bus in addition processed.But for the sake of clear explanation, various buses are all designated as bus system 405 in Fig. 5.
The third aspect, the embodiment of the invention provides a kind of storage medium, storage medium is stored with one or more journey
Sequence, one or more program can be executed by one or more processor, to realize the nothing of any embodiment in first aspect
Line charge electricity edge power down process method.
Wherein, user interface 403 may include display, keyboard or pointing device (for example, mouse, trace ball
(trackball), touch-sensitive plate or touch screen etc..
It is appreciated that the memory 402 in the embodiment of the present invention can be volatile memory or nonvolatile memory,
It or may include both volatile and non-volatile memories.Wherein, nonvolatile memory can be read-only memory (Read-
Only Memory, ROM), programmable read only memory (Programmable ROM, PROM), the read-only storage of erasable programmable
Device (Erasable PROM, EPROM), electrically erasable programmable read-only memory (Electrically EPROM, EEPROM) or
Flash memory.Volatile memory can be random access memory (Random Access Memory, RAM), be used as external high
Speed caching.By exemplary but be not restricted explanation, the RAM of many forms is available, such as static random access memory
(Static RAM, SRAM), dynamic random access memory (Dynamic RAM, DRAM), Synchronous Dynamic Random Access Memory
(Synchronous DRAM, SDRAM), double data speed synchronous dynamic RAM (Double Data Rate
SDRAM, DDRSDRAM), enhanced Synchronous Dynamic Random Access Memory (Enhanced SDRAM, ESDRAM), synchronized links
Dynamic random access memory (Synch link DRAM, SLDRAM) and direct rambus random access memory (Direct
Rambus RAM, DRRAM).Memory 402 described herein is intended to include but is not limited to these and any other suitable type
Memory.
In some embodiments, memory 402 stores following element, and unit or data structure can be performed, or
Their subset of person or their superset: operating system 4021 and application program 4022.
Wherein, operating system 4021 include various system programs, such as ccf layer, core library layer, driving layer etc., are used for
Realize various basic businesses and the hardware based task of processing.Application program 4022 includes various application programs, such as media
Player (Media Player), browser (Browser) etc., for realizing various applied business.Realize the embodiment of the present invention
The program of method may be embodied in application program 4022.
In embodiments of the present invention, by the program or instruction of calling memory 402 to store, specifically, can be application
The program or instruction stored in program 4022, processor 401 are used to execute method and step provided by each method embodiment, such as
Include:
Obtain initial exposure value corresponding to each camera in multiple cameras of image acquisition component；
According to initial exposure value corresponding to each camera, automatic exposure convergence is carried out respectively to multiple cameras；
When any one camera restrains completion, the human face region that will identify that is transmitted to processor, obtains face figure
Picture；
Intelligent positioning is carried out using facial image.
The method that the embodiments of the present invention disclose can be applied in processor 401, or be realized by processor 401.
Processor 401 may be a kind of IC chip, the processing capacity with signal.During realization, the above method it is each
Step can be completed by the integrated logic circuit of the hardware in processor 401 or the instruction of software form.Above-mentioned processing
Device 401 can be general processor, digital signal processor (Digital Signal Processor, DSP), dedicated integrated electricity
Road (Application Specific Integrated Circuit, ASIC), ready-made programmable gate array (Field
Programmable Gate Array, FPGA) either other programmable logic device, discrete gate or transistor logic,
Discrete hardware components.It may be implemented or execute disclosed each method, step and the logic diagram in the embodiment of the present invention.It is general
Processor can be microprocessor or the processor is also possible to any conventional processor etc..In conjunction with institute of the embodiment of the present invention
The step of disclosed method, can be embodied directly in hardware decoding processor and execute completion, or with the hardware in decoding processor
And software unit combination executes completion.Software unit can be located at random access memory, and flash memory, read-only memory may be programmed read-only
In the storage medium of this fields such as memory or electrically erasable programmable memory, register maturation.The storage medium is located at
The step of memory 402, processor 401 reads the information in memory 402, completes the above method in conjunction with its hardware.
It is understood that embodiments described herein can with hardware, software, firmware, middleware, microcode or its
Combination is to realize.For hardware realization, processing unit be may be implemented in one or more specific integrated circuit (Application
Specific Integrated Circuits, ASIC), digital signal processor (Digital Signal Processing,
DSP), digital signal processing appts (DSP Device, DSPD), programmable logic device (Programmable Logic
Device, PLD), field programmable gate array (Field-Programmable Gate Array, FPGA), general processor,
In controller, microcontroller, microprocessor, other electronic units for executing the application function or combinations thereof.
For software implementations, the technology of this paper can be realized by executing the unit of this paper function.Software code can store
It executes in memory and by processor.Memory can in the processor or portion realizes outside the processor.
Those of ordinary skill in the art may be aware that list described in conjunction with the examples disclosed in the embodiments of the present disclosure
Member and algorithm steps can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually
It is implemented in hardware or software, the specific application and design constraint depending on technical solution.Professional technician
Each specific application can be used different methods to achieve the described function, but this realization is it is not considered that exceed
The scope of the present invention.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In embodiment provided herein, it should be understood that disclosed device and method can pass through others
Mode is realized.For example, the apparatus embodiments described above are merely exemplary, for example, the division of unit, only a kind of
Logical function partition, there may be another division manner in actual implementation, such as multiple units or components can combine or can
To be integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual
Coupling, direct-coupling or communication connection can be through some interfaces, the indirect coupling or communication connection of device or unit,
It can be electrical property, mechanical or other forms.
Unit may or may not be physically separated as illustrated by the separation member, shown as a unit
Component may or may not be physical unit, it can and it is in one place, or may be distributed over multiple networks
On unit.It can some or all of the units may be selected to achieve the purpose of the solution of this embodiment according to the actual needs.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.
If function is realized in the form of SFU software functional unit and when sold or used as an independent product, can store
In a computer readable storage medium.Based on this understanding, the technical solution of the embodiment of the present invention substantially or
Say that the part of the part that contributes to existing technology or the technical solution can be embodied in the form of software products, it should
Computer software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be
Personal computer, server or network equipment etc.) execute all or part of the steps of each embodiment method of the present invention.And
Storage medium above-mentioned, which includes: that USB flash disk, mobile hard disk, ROM, RAM, magnetic or disk etc. are various, can store program code
Medium.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or the device that include a series of elements not only include those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or device institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to do
There is also other identical elements in the process, method of element, article or device.
Herein, the relational terms of such as " first " and " second " or the like are used merely to an entity or operation
It is distinguished with another entity or operation, without necessarily requiring or implying between these entities or operation, there are any this
Actual relationship or sequence.
Through the above description of the embodiments, those skilled in the art can be understood that each reality of the present invention
The method for applying example can be realized by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but very
The former is more preferably embodiment in more situations.Based on this understanding, technical solution of the present invention is substantially in other words to existing
The part for having technology to contribute can be embodied in the form of software products, which is stored in one and deposits
In storage media (such as ROM/RAM, magnetic disk, CD), including some instructions are used so that a terminal device (can be mobile phone, count
Calculation machine, server, air conditioner or network equipment etc.) execute each embodiment of the present invention method or embodiment it is certain
Partial method.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (10)
1. a kind of wireless charging edge power down process method is applied to wireless charging device and wireless charging terminal；Its feature exists
In the treating method comprises:
S1, it is charged with the charge power of the first preset value to the wireless charging terminal；
S2, the charge efficiency for calculating the wireless charging terminal；
S3, judge whether the charge efficiency is greater than or equal to preset threshold；
S4, when the charge efficiency is greater than or equal to the preset threshold, judge whether the charge power pre- less than second
If value, charges to the wireless charging terminal if so, improving the charge power, S2 is carried out, if it is not, with the second preset value
Charge power charge to the wireless charging terminal.
2. wireless charging edge power down process method according to claim 1, which is characterized in that the calculating is described wireless
The charge efficiency of charging terminal, specifically includes:
Obtain the reception power of the wireless charging terminal；
According to the charge power and the reception power, the charge efficiency is calculated by following calculation formula:
Wherein, α is the charge efficiency, PIt connectsFor the reception power, PIt fillsFor the charge power.
3. wireless charging edge power down process method according to claim 1, which is characterized in that the S4 is specifically included:
When the charge efficiency is greater than or equal to the preset threshold；
Judge the charge power whether less than the second preset value；
If so, count is incremented, after improving the charge power with following calculation formula, S2 is carried out:
In=(n+1) × I0；
Wherein, InCharge power after being improved for n-th；I0For first preset value；N is the counting；
Alternatively, and being filled with the charge power of the second preset value to the wireless charging terminal if it is not, the counting is zeroed
Electricity.
4. wireless charging edge power down process method according to claim 3, which is characterized in that
Second preset value is the non-zero positive integer times of first preset value.
5. wireless charging edge power down process method according to claim 1, which is characterized in that the S4 is specifically included:
When the charge efficiency is greater than or equal to the preset threshold；
Judge the charge power whether less than the second preset value；
If so, count is incremented, after improving the charge power with following calculation formula, S2 is carried out:
Wherein, InCharge power after being improved for n-th, In-1Charge power after being improved for (n-1)th time, I0It is pre- for described first
If value；N is the counting；
Alternatively, and being filled with the charge power of the second preset value to the wireless charging terminal if it is not, the counting is zeroed
Electricity.
6. wireless charging edge power down process method according to claim 1, which is characterized in that the processing method is also wrapped
It includes:
When the charge efficiency is less than the preset threshold, warning information is sent.
7. wireless charging edge power down process method according to claim 1, which is characterized in that the model of the preset threshold
Enclose is percent 60 to percent 70.
8. any wireless charging edge power down process method according to claim 1~7, which is characterized in that the S1
Before further include:
The wireless charging device and wireless charging terminal are shaken hands, and carry out S1 after shaking hands successfully.
9. a kind of wireless charging edge power down process system, including wireless charging device and wireless charging terminal, which is characterized in that
The wireless charging terminal includes processor, memory；The processor is for executing the wireless charging stored in the memory
Electric edge power down process program, to realize wireless charging edge power down process method according to any one of claims 1 to 8.
10. a kind of storage medium, which is characterized in that the storage medium is stored with one or more program, it is one or
The multiple programs of person can be executed by one or more processor, to realize wireless charging according to any one of claims 1 to 8
Edge power down process method.
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| CN201811280543.8A CN109167418A (en) | 2018-10-30 | 2018-10-30 | A kind of wireless charging edge power down process method, system and storage medium |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811280543.8A CN109167418A (en) | 2018-10-30 | 2018-10-30 | A kind of wireless charging edge power down process method, system and storage medium |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112910061A (en) * | 2021-04-07 | 2021-06-04 | 科世达(上海)机电有限公司 | Control method, device and medium for charging system load balancing |
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Application publication date: 20190108 |