CN109193975A - A kind of wireless charging device and terminal - Google Patents
A kind of wireless charging device and terminal Download PDFInfo
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- CN109193975A CN109193975A CN201811083249.8A CN201811083249A CN109193975A CN 109193975 A CN109193975 A CN 109193975A CN 201811083249 A CN201811083249 A CN 201811083249A CN 109193975 A CN109193975 A CN 109193975A
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- 238000001514 detection method Methods 0.000 claims abstract description 274
- 230000005540 biological transmission Effects 0.000 claims description 18
- 230000005611 electricity Effects 0.000 claims description 12
- 238000013507 mapping Methods 0.000 claims description 11
- 238000009877 rendering Methods 0.000 claims description 6
- 238000004088 simulation Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 abstract description 8
- 230000006870 function Effects 0.000 description 20
- 230000005684 electric field Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 238000012360 testing method Methods 0.000 description 9
- 238000012545 processing Methods 0.000 description 7
- 230000006854 communication Effects 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 230000005764 inhibitory process Effects 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
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- 238000003379 elimination reaction Methods 0.000 description 1
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Classifications
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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
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/90—Circuit arrangements or systems for wireless supply or distribution of electric power involving detection or optimisation of position, e.g. alignment
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- H02J5/005—
-
- 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
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
-
- 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
-
- 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
- H02J50/80—Circuit arrangements or systems for wireless supply or distribution of electric power involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices
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- H02J7/025—
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of wireless charging devices, comprising: wireless charging receiving coil, controller, display screen and multiple power detection coils；The controller is connect with the display screen and each power detection coil respectively；All power detection coils and the wireless charging receiving coil are all set in a plane；The center of each power detection coil is respectively less than given threshold at a distance from the center of the wireless charging receiving coil.The invention also discloses a kind of electronic equipment, by implementing above scheme, the wireless charging transmitting coil relative position being arranged in the wireless charging receiving coil and wireless charging device of wireless charging device can effectively be presented, the wireless charging transmitting coil being arranged in the wireless charging receiving coil and wireless charging device of user's control wireless charging device is assisted to precisely align, effectively increase wireless charging device wireless charging efficiency, avoid that wireless charging device wireless charging heating is serious, charge slow drawback.
Description
Technical field
The present invention relates to wireless charging field more particularly to a kind of wireless charging device and terminals.
Background technique
When carrying out wireless charging to electronic equipment by wireless charging device, the wireless charging of electronic equipment is received
Coil can not be often aligned with the wireless charging transmitting coil being arranged in wireless charging device, and electronic equipment wireless charging is caused to be imitated
The considerable decrease of rate, and then cause fever serious, charge slow drawback.
Summary of the invention
It is a primary object of the present invention to propose a kind of wireless charging device and terminal, it is intended to solve electronics in the prior art
What the wireless charging receiving coil of equipment can not be often aligned with the wireless charging transmitting coil being arranged in wireless charging device lacks
It falls into.
To achieve the above object, a kind of wireless charging device provided by the invention, comprising: wireless charging receiving coil, control
Device processed, display screen and multiple power detection coils；
The controller is connect with the display screen and each power detection coil respectively；All power detections
Coil and the wireless charging receiving coil are all set in a plane；The center of each power detection coil and the nothing
The distance at the center of line charge electricity receiving coil is respectively less than given threshold；
The power detection coil obtains detection electricity for the electromagnetic wave by receiving the transmitting of wireless charging transmitting coil
Pressure, and by the detection voltage transmission to the controller；
The controller, for determining the wireless charging receiving coil according to each detection voltage received
Center and the wireless charging transmitting coil center relative position；
The display screen, for rendering center at the center of wireless charging receiving coil and the wireless charging transmitting coil
Relative position.
Optionally, the quantity of the power detection coil is three or three or more.
Optionally, the center of each power detection coil is equal at a distance from the center of the wireless charging receiving coil
For set distance value.
Optionally, the center at the center of the adjacent power detection coil of any two and the wireless charging receiving coil
Line angle be setting angle value.
Optionally, the controller, is specifically used for:
According to the corresponding detection voltage of each power detection coil, the center of the wireless charging receiving coil is determined
Position coordinates；
According to the center position coordinates of the wireless charging receiving coil, the center of the wireless charging receiving coil is determined
With the relative position at the center of the wireless charging transmitting coil；Wherein, the center of the wireless charging transmitting coil is sat
It is designated as origin.
Optionally, the controller, is specifically used for:
The detection voltage that each power detection coil received is sent, with each power detection line
It encloses corresponding preset voltage values to be compared, obtains the corresponding voltage difference of each power detection coil；
Based on the mapping relations of preset all power detection coils corresponding voltage difference and relative position coordinates,
According to obtained all voltage differences, the center of the wireless charging receiving coil is determined, send out with the wireless charging
The relative position at the center of ray circle.
Optionally, the controller, comprising: control switch, analog-digital converter and control comparator；
The control switch turns with each power detection coil, the control comparator and the simulation numeral respectively
Parallel operation connection；The analog-digital converter is connect with the control comparator；
The control comparator is successively connect with each power detection coil for controlling the control switch；
The control switch, detection voltage transmission for obtaining each power detection coil to the simulation number
Word converter；
The analog-digital converter, the detection voltage for obtaining each power detection coil are converted to number
Signal is detected, and the digital detection signal is transmitted to the control comparator；
The control comparator is also used to be determined according to the corresponding digital detection signal of each power detection coil
The center of the wireless charging receiving coil, the relative position with the center of the wireless charging transmitting coil.
Optionally, the control comparator, is specifically used for:
According to the corresponding digital detection signal of each power detection coil, the wireless charging receiving coil is determined
Center position coordinates；
According to the center position coordinates of the wireless charging receiving coil, determine in the wireless charging receiving coil
The heart, the relative position with the center of the wireless charging transmitting coil；Wherein, the center of the wireless charging transmitting coil
Coordinate is origin.
Optionally, the control comparator, is specifically used for:
It is corresponding with each power detection coil by the corresponding digital detection signal of each power detection coil
Preset position reference signal is compared, and obtains the corresponding position error signal of each power detection coil；
Mapping based on preset all power detection coils corresponding position error signal and relative position coordinates
Relationship determines the center of the wireless charging receiving coil according to obtained all position error signals, with the nothing
The relative position at the center of line charge electricity transmitting coil.
In addition, to achieve the above object, the present invention also proposes a kind of terminal, including above-mentioned wireless charging device and power supply
Component；
Wherein, the wireless charging receiving coil is connect with the power supply module；
The wireless charging receiving coil, for providing electric current for the power supply module.
The wireless charging of wireless charging device can be effectively presented in a kind of wireless charging device proposed by the present invention and terminal
The wireless charging transmitting coil relative position being arranged in receiving coil and wireless charging device assists user's control wireless charging Denso
The wireless charging transmitting coil being arranged in the wireless charging receiving coil and wireless charging device set precisely aligns, and effectively increases
Wireless charging device wireless charging efficiency, avoids that wireless charging device wireless charging heating is serious, and charge slow drawback.
Detailed description of the invention
The hardware structural diagram of Fig. 1 optional mobile terminal of each embodiment one to realize the present invention；
Fig. 2 is the present invention first to wireless charging device composed structure schematic diagram described in 3rd embodiment；
Fig. 3 is that schematic diagram is arranged in power detection coil described in first embodiment of the invention and wireless charging receiving coil；
Fig. 4 is that schematic diagram is arranged in power detection coil described in first embodiment of the invention and wireless charging receiving coil；
Fig. 5 is that power detection coil described in the second to the 5th embodiment of the invention shows with the setting of wireless charging receiving coil
It is intended to；
Fig. 6 is wireless charging device composed structure schematic diagram described in the 4th and the 5th embodiment of the invention；
Fig. 7 is center and the nothing that wireless charging receiving coil is presented in display screen described in the 4th and the 5th embodiment of the invention
The relative position schematic diagram at the center of line charge electricity transmitting coil；
Fig. 8 is electronic equipment composed structure schematic diagram described in sixth embodiment of the 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.
In subsequent description, it is only using the suffix for indicating such as " module ", " component " or " unit " of element
Be conducive to explanation of the invention, itself there is no a specific meaning.Therefore, " module ", " component " or " unit " can mix
Ground uses.
Terminal can be implemented in a variety of manners.For example, terminal described in the present invention may include such as mobile phone, plate
Computer, laptop, palm PC, personal digital assistant (Personal Digital Assistant, PDA), portable
Media player (Portable Media Player, PMP), navigation device, wearable device, Intelligent bracelet, pedometer etc. move
The fixed terminals such as dynamic terminal, and number TV, desktop computer.
It will be illustrated by taking mobile terminal as an example in subsequent descriptions, it will be appreciated by those skilled in the art that in addition to special
Except element for moving purpose, the construction of embodiment according to the present invention can also apply to the terminal of fixed type.
Referring to Fig. 1, a kind of hardware structural diagram of its mobile terminal of each embodiment to realize the present invention, the shifting
Dynamic terminal 100 may include: RF (Radio Frequency, radio frequency) unit 101, WiFi module 102, audio output unit
103, A/V (audio/video) input unit 104, sensor 105, display unit 106, user input unit 107, interface unit
108, the components such as memory 109, processor 110 and power supply 111.It will be understood by those skilled in the art that shown in Fig. 1
Mobile terminal structure does not constitute the restriction to mobile terminal, and mobile terminal may include components more more or fewer than diagram,
Perhaps certain components or different component layouts are combined.
It is specifically introduced below with reference to all parts of the Fig. 1 to mobile terminal:
Radio frequency unit 101 can be used for receiving and sending messages or communication process in, signal sends and receivees, specifically, by base station
Downlink information receive after, to processor 110 handle；In addition, the data of uplink are sent to base station.In general, radio frequency unit 101
Including but not limited to antenna, at least one amplifier, transceiver, coupler, low-noise amplifier, duplexer etc..In addition, penetrating
Frequency unit 101 can also be communicated with network and other equipment by wireless communication.Any communication can be used in above-mentioned wireless communication
Standard or agreement, including but not limited to GSM (Global System of Mobile communication, global system for mobile telecommunications
System), GPRS (General Packet Radio Service, general packet radio service), CDMA2000 (Code
Division Multiple Access2000, CDMA 2000), WCDMA (Wideband Code Division
Multiple Access, wideband code division multiple access), TD-SCDMA (Time Division-Synchronous Code
Division Multiple Access, TD SDMA), FDD-LTE (Frequency Division
Duplexing-Long Term Evolution, frequency division duplex long term evolution) and TDD-LTE (Time Division
Duplexing-Long Term Evolution, time division duplex long term evolution) etc..
WiFi belongs to short range wireless transmission technology, and mobile terminal can help user to receive and dispatch electricity by WiFi module 102
Sub- mail, browsing webpage and access streaming video etc., it provides wireless broadband internet access for user.Although Fig. 1 shows
Go out WiFi module 102, but it is understood that, and it is not belonging to must be configured into for mobile terminal, it completely can be according to need
It to omit within the scope of not changing the essence of the invention.
Audio output unit 103 can be in call signal reception pattern, call mode, record mould in mobile terminal 100
When under the isotypes such as formula, speech recognition mode, broadcast reception mode, by radio frequency unit 101 or WiFi module 102 it is received or
The audio data stored in memory 109 is converted into audio signal and exports to be sound.Moreover, audio output unit 103
Audio output relevant to the specific function that mobile terminal 100 executes can also be provided (for example, call signal receives sound, disappears
Breath receives sound etc.).Audio output unit 103 may include loudspeaker, buzzer etc..
A/V input unit 104 is for receiving audio or video signal.A/V input unit 104 may include graphics processor
(Graphics Processing Unit, GPU) 1041 and microphone 1042, graphics processor 1041 is in video acquisition mode
Or the image data of the static images or video obtained in image capture mode by image capture apparatus (such as camera) carries out
Reason.Treated, and picture frame may be displayed on display unit 106.Through graphics processor 1041, treated that picture frame can be deposited
Storage is sent in memory 109 (or other storage mediums) or via radio frequency unit 101 or WiFi module 102.Mike
Wind 1042 can connect in telephone calling model, logging mode, speech recognition mode etc. operational mode via microphone 1042
Quiet down sound (audio data), and can be audio data by such acoustic processing.Audio that treated (voice) data can
To be converted to the format output that can be sent to mobile communication base station via radio frequency unit 101 in the case where telephone calling model.
Microphone 1042 can be implemented various types of noises elimination (or inhibition) algorithms and send and receive sound to eliminate (or inhibition)
The noise generated during frequency signal or interference.
Mobile terminal 100 further includes at least one sensor 105, such as optical sensor, motion sensor and other biographies
Sensor.Specifically, optical sensor includes ambient light sensor and proximity sensor, wherein ambient light sensor can be according to environment
The light and shade of light adjusts the brightness of display panel 1061, and proximity sensor can close when mobile terminal 100 is moved in one's ear
Display panel 1061 and/or backlight.As a kind of motion sensor, accelerometer sensor can detect in all directions (general
For three axis) size of acceleration, it can detect that size and the direction of gravity when static, can be used to identify the application of mobile phone posture
(such as horizontal/vertical screen switching, dependent game, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, percussion) etc.；
The fingerprint sensor that can also configure as mobile phone, pressure sensor, iris sensor, molecule sensor, gyroscope, barometer,
The other sensors such as hygrometer, thermometer, infrared sensor, details are not described herein.
Display unit 106 is for showing information input by user or being supplied to the information of user.Display unit 106 can wrap
Display panel 1061 is included, liquid crystal display (Liquid Crystal Display, LCD), Organic Light Emitting Diode can be used
Forms such as (Organic Light-Emitting Diode, OLED) configure display panel 1061.
User input unit 107 can be used for receiving the number or character information of input, and generate the use with mobile terminal
Family setting and the related key signals input of function control.Specifically, user input unit 107 may include touch panel 1071 with
And other input equipments 1072.Touch panel 1071, also referred to as touch screen collect the touch operation of user on it or nearby
(for example user uses any suitable objects or attachment such as finger, stylus on touch panel 1071 or in touch panel 1071
Neighbouring operation), and corresponding attachment device is driven according to preset formula.Touch panel 1071 may include touch detection
Two parts of device and touch controller.Wherein, the touch orientation of touch detecting apparatus detection user, and detect touch operation band
The signal come, transmits a signal to touch controller；Touch controller receives touch information from touch detecting apparatus, and by it
It is converted into contact coordinate, then gives processor 110, and order that processor 110 is sent can be received and executed.In addition, can
To realize touch panel 1071 using multiple types such as resistance-type, condenser type, infrared ray and surface acoustic waves.In addition to touch panel
1071, user input unit 107 can also include other input equipments 1072.Specifically, other input equipments 1072 can wrap
It includes but is not limited in physical keyboard, function key (such as volume control button, switch key etc.), trace ball, mouse, operating stick etc.
It is one or more, specifically herein without limitation.
Further, touch panel 1071 can cover display panel 1061, when touch panel 1071 detect on it or
After neighbouring touch operation, processor 110 is sent to determine the type of touch event, is followed by subsequent processing device 110 according to touch thing
The type of part provides corresponding visual output on display panel 1061.Although in Fig. 1, touch panel 1071 and display panel
1061 be the function that outputs and inputs of realizing mobile terminal as two independent components, but in certain embodiments, it can
The function that outputs and inputs of mobile terminal is realized so that touch panel 1071 and display panel 1061 is integrated, is not done herein specifically
It limits.
Interface unit 108 be used as at least one external device (ED) connect with mobile terminal 100 can by interface.For example,
External device (ED) may include wired or wireless headphone port, external power supply (or battery charger) port, wired or nothing
Line data port, memory card port, the port for connecting the device with identification module, audio input/output (I/O) end
Mouth, video i/o port, ear port etc..Interface unit 108 can be used for receiving the input from external device (ED) (for example, number
It is believed that breath, electric power etc.) and the input received is transferred to one or more elements in mobile terminal 100 or can be with
For transmitting data between mobile terminal 100 and external device (ED).
Memory 109 can be used for storing software program and various data.Memory 109 can mainly include storing program area
The storage data area and, wherein storing program area can (such as the sound of application program needed for storage program area, at least one function
Sound playing function, image player function etc.) etc.；Storage data area can store according to mobile phone use created data (such as
Audio data, phone directory etc.) etc..In addition, memory 109 may include high-speed random access memory, it can also include non-easy
The property lost memory, a for example, at least disk memory, flush memory device or other volatile solid-state parts.
Processor 110 is the control centre of mobile terminal, utilizes each of various interfaces and the entire mobile terminal of connection
A part by running or execute the software program and/or module that are stored in memory 109, and calls and is stored in storage
Data in device 109 execute the various functions and processing data of mobile terminal, to carry out integral monitoring to mobile terminal.Place
Managing device 110 may include one or more processing units；Preferably, processor 110 can integrate application processor and modulatedemodulate is mediated
Manage device, wherein the main processing operation system of application processor, user interface and application program etc., modem processor is main
Processing wireless communication.It is understood that above-mentioned modem processor can not also be integrated into processor 110.
Mobile terminal 100 can also include the power supply 111 (such as battery) powered to all parts, it is preferred that power supply 111
Can be logically contiguous by power-supply management system and processor 110, to realize management charging by power-supply management system, put
The functions such as electricity and power managed.
Although Fig. 1 is not shown, mobile terminal 100 can also be including bluetooth module etc., and details are not described herein.
Based on above-mentioned mobile terminal hardware configuration, each embodiment of the present invention is proposed.
First embodiment of the invention, a kind of wireless charging device, as shown in Fig. 2 to 3, including consisting of part:
Wireless charging receiving coil 10, controller 20, display screen 30 and multiple power detection coils 40；
Wherein, as shown in Fig. 2, controller 20 is connect with display screen 30 and each power detection coil 40 respectively；Such as Fig. 3 institute
Show, all power detection coils 40 are all set in a plane with wireless charging receiving coil 10；Each power detection coil 40
Center at a distance from the center of wireless charging receiving coil 10 be respectively less than or be equal to given threshold；
Power detection coil 40 obtains detection voltage for the electromagnetic wave by receiving the transmitting of wireless charging transmitting coil,
And it will test voltage transmission to controller 20；
Controller 20, for according to each detection voltage for receiving, determine the center of wireless charging receiving coil 10 with
The relative position at the center of wireless charging transmitting coil；
Display screen 30, for rendering phase at the center of wireless charging receiving coil 10 and the center of wireless charging transmitting coil
To position.
In the present embodiment, wireless charging transmitting coil is set to wireless charging emitter, is emitted by wireless charging
The alternating magnetic field that coil generates, to generate the electric field of alternation in wireless charging receiving coil 10, by being received to wireless charging
Alternating electric field in coil is handled, to generate the stable charging current in wireless charging device.
In the present embodiment, to the quantity of power detection coil 40, shape and relative to wireless charging receiving coil 10
Setting position is not specifically limited.
For example, as shown in figure 3, the quantity of power detection coil 40 is 5；The shape of each power detection coil 40 is
It is round；Each power detection coil 40 is uniformly arranged on outside (each power detection coil 40 of wireless charging receiving coil 10
Center to 10 center of wireless charging receiving coil distance be setting distance value；Any two adjacent power detection coil 40
The angle at center to 10 center of wireless charging receiving coil be 60 °).
For another example, as shown in figure 4, the quantity of power detection coil 40 is 3；The shape of each power detection coil 40 is
It is round；Each power detection coil 40 is uniformly arranged on inside (each power detection coil 40 of wireless charging receiving coil 10
Center to 10 center of wireless charging receiving coil distance be setting distance value；Any two adjacent power detection coil 40
The angle at center to 10 center of wireless charging receiving coil be 60 °).
In the present embodiment, controller 20 are specifically used for: the detection obtained based on preset each power detection coil 40
The mapping relations of voltage and relative position coordinates determine wireless charging receiving coil 10 according to each detection voltage received
Center and wireless charging transmitting coil center relative position.Wherein, the detection electricity that each power detection coil 40 obtains
The mapping relations of pressure and relative position coordinates, for before wireless charging device use, engineering staff is obtained by limited trials
The mapping relations of detection voltage and relative position coordinates that each power detection coil 40 got obtains or engineering staff are logical
Cross reflecting for detection voltage that each power detection coil 40 that limited times Computer Simulation is got obtains and relative position coordinates
Penetrate relationship.
In the present embodiment, center and the wireless charging emission lines of wireless charging receiving coil 10 are presented for display screen 30
The mode of the relative position at the center of circle is not specifically limited, and can be presentation relative position coordinates；It is also possible in display screen
The center of wireless charging transmitting coil is presented in 30 setting position, and the center of wireless charging receiving coil 10 is presented in dynamic；?
It can be and the center of wireless charging receiving coil 10 is presented in the setting position of display screen 30, and wireless charging transmitting is presented in dynamic
The center of coil.
Wireless charging device described in first embodiment of the invention, the wireless charging that electronic equipment can effectively be presented receive
The wireless charging transmitting coil relative position being arranged in coil 10 and wireless charging device assists the nothing of user's control electronic equipment
Line charge electricity receiving coil 10 is precisely aligned with the wireless charging transmitting coil being arranged in wireless charging device, effectively increases electronics
Equipment wireless charging efficiency, avoids that electronic equipment wireless charging heating is serious, and charge slow drawback.
Second embodiment of the invention, a kind of wireless charging device, as shown in Figure 2 and Figure 5, including consisting of part:
Wireless charging receiving coil 10, controller 20, display screen 30 and three or three or more power detection coil 40；
Wherein, as shown in Fig. 2, controller 20 is connect with display screen 30 and each power detection coil 40 respectively；Institute is active
Rate detection coil 40 and wireless charging receiving coil 10 are all set in a plane；The center of each power detection coil 40 and nothing
The distance at the center of line charge electricity receiving coil 10 is set distance value；The center of any two adjacent power detection coil 40 with
The line angle at the center of wireless charging receiving coil 10 is setting angle value；
Power detection coil 40 obtains detection voltage for the electromagnetic wave by receiving the transmitting of wireless charging transmitting coil,
And it will test voltage transmission to controller 20；
Controller 20, for according to each detection voltage for receiving, determine the center of wireless charging receiving coil 10 with
The relative position at the center of wireless charging transmitting coil；
Display screen 30, for rendering phase at the center of wireless charging receiving coil 10 and the center of wireless charging transmitting coil
To position；
In the present embodiment, in the case where the quantity of power detection coil 40 is N, any two adjacent power detection line
The line angle at the center at the center and wireless charging receiving coil 10 of circle 40 is 360 °/N；Wherein N is more than or equal to 3
Positive integer.
In the present embodiment, wireless charging transmitting coil is set to wireless charging emitter, is emitted by wireless charging
The alternating magnetic field that coil generates, to generate the electric field of alternation in wireless charging receiving coil 10, by being received to wireless charging
Alternating electric field in coil is handled, to generate the stable charging current in wireless charging device.In the present embodiment, it controls
Device 20 processed, is specifically used for: according to the corresponding detection voltage of each power detection coil 40, determining wireless charging receiving coil 10
Center position coordinates；According to the center position coordinates of wireless charging receiving coil 10, determine in wireless charging receiving coil 10
The heart, the relative position coordinates with the center of wireless charging transmitting coil；Wherein, the center position coordinates of wireless charging transmitting coil
For origin.
For example, as shown in figure 5, the quantity of power detection coil 40 is 4, respectively Q1, Q2, Q3 and Q4；All power
Detection coil 40 (Q1, Q2, Q3 and Q4) and wireless charging receiving coil 10 are all set in a plane；Each power detection coil
40 shape is circle；Each power detection coil 40 is uniformly arranged on the inside of wireless charging receiving coil 10；Each function
The distance at the center of rate detection coil 40 to 10 center of wireless charging receiving coil is the distance value of setting；The adjacent function of any two
The angle at the center of rate detection coil 40 to 10 center of wireless charging receiving coil is 90 °；
Power detection coil 40 obtains detection voltage for the electromagnetic wave by receiving the transmitting of wireless charging transmitting coil,
And it will test voltage transmission to controller 20；Wherein, the detection voltage of power detection coil 40 (Q1) is VQ1, power detection coil
The detection voltage of 40 (Q2) is VQ2, the detection voltage of power detection coil 40 (Q3) is VQ3And power detection coil 40 (Q4)
Detection voltage is VQ4；
Controller 20 is specifically used for determining that wireless charging connects according to the corresponding detection voltage of each power detection coil 40
The center position coordinates of take-up circle 10；According to the center position coordinates of wireless charging receiving coil 10, determine that wireless charging receives
The center of coil 10, the relative position coordinates with the center of wireless charging transmitting coil；Wherein, in wireless charging transmitting coil
Heart position coordinates are origin；Wherein, the center position coordinates (x, y) of wireless charging receiving coil 10, wherein x=((VQ4-VQ2)+
(VQ3-VQ1))/2；Y=((VQ3-VQ4)+(VQ1-VQ2))/2；The center position coordinates of wireless charging transmitting coil are (0,0)；
Display screen 30, for the center (position coordinates of wireless charging transmitting coil to be presented by 30 center of display screen
For (0,0)), and the center (center position coordinates (x, y)) of wireless charging receiving coil 10 is presented in dynamic, wireless charging is presented
The relative position at the center at the center and wireless charging transmitting coil of receiving coil 10.
The wireless charging device of second embodiment of the invention, the wireless charging that can effectively present in wireless charging device connect
The wireless charging transmitting coil relative position being arranged in take-up circle and wireless charging device assists user's control wireless charging device
In wireless charging receiving coil and wireless charging device in the wireless charging transmitting coil that is arranged precisely align, effectively increase
Wireless charging device wireless charging efficiency, avoids that wireless charging device wireless charging heating is serious, and charge slow drawback.
Third embodiment of the invention, a kind of wireless charging device, as shown in Figure 2 and Figure 5, including consisting of part:
Wireless charging receiving coil 10, controller 20, display screen 30 and three or three or more power detection coil 40；
Wherein, as shown in Fig. 2, controller 20 is connect with display screen 30 and each power detection coil 40 respectively；Institute is active
Rate detection coil 40 and wireless charging receiving coil 10 are all set in a plane；The center of each power detection coil 40 and nothing
The distance at the center of line charge electricity receiving coil 10 is set distance value；The center of any two adjacent power detection coil 40 with
The line angle at the center of wireless charging receiving coil 10 is setting angle value；
Power detection coil 40 obtains detection voltage for the electromagnetic wave by receiving the transmitting of wireless charging transmitting coil,
And it will test voltage transmission to controller 20；
Controller 20, for according to each detection voltage for receiving, determine the center of wireless charging receiving coil 10 with
The relative position at the center of wireless charging transmitting coil；
Display screen 30, for rendering phase at the center of wireless charging receiving coil 10 and the center of wireless charging transmitting coil
To position；
In the present embodiment, in the case where the quantity of power detection coil 40 is N, any two adjacent power detection line
The line angle at the center at the center and wireless charging receiving coil 10 of circle 40 is 360 °/N；Wherein N is more than or equal to 3
Positive integer.
In the present embodiment, wireless charging transmitting coil is set to wireless charging emitter, is emitted by wireless charging
The alternating magnetic field that coil generates, to generate the electric field of alternation in wireless charging receiving coil 10, by being received to wireless charging
Alternating electric field in coil is handled, to generate the stable charging current in wireless charging device.In the present embodiment, it controls
Device 20 processed, is specifically used for: the detection voltage that each power detection coil 40 received is sent, with each power detection coil
40 corresponding preset voltage values are compared, and obtain the corresponding voltage difference of each power detection coil 40；Based on preset institute
There are the mapping relations of 40 corresponding voltage difference and relative position coordinates of power detection coil, according to obtained all voltage differences
Value, determines the center of wireless charging receiving coil 10, the relative position coordinates with the center of wireless charging transmitting coil.
Wherein, the corresponding preset voltage values of each power detection coil 40 be wireless charging receiving coil 10 center with
In the case that the horizontal distance of wireless charging transmitting coil is zero, the corresponding detection voltage of each power detection coil 40.
For example, as shown in figure 5, the quantity of power detection coil 40 is 4, respectively Q1, Q2, Q3 and Q4；All power
Detection coil 40 (Q1, Q2, Q3 and Q4) and wireless charging receiving coil 10 are all set in a plane；Each power detection coil
40 shape is circle；Each power detection coil 40 is uniformly arranged on the inside of wireless charging receiving coil 10；Each function
The distance at the center of rate detection coil 40 to 10 center of wireless charging receiving coil is the distance value of setting；The adjacent function of any two
The angle at the center of rate detection coil 40 to 10 center of wireless charging receiving coil is 90 °；
Power detection coil 40 obtains detection voltage for the electromagnetic wave by receiving the transmitting of wireless charging transmitting coil,
And it will test voltage transmission to controller 20；Wherein, the detection voltage of power detection coil 40 (Q1) is VQ1, power detection coil
The detection voltage of 40 (Q2) is VQ2, the detection voltage of power detection coil 40 (Q3) is VQ3And power detection coil 40 (Q4)
Detection voltage is VQ4。
Controller 20, specifically for detection voltage (Q1, Q2, the Q3 for sending each power detection coil 40 received
And Q4), preset voltage (Q corresponding with each power detection coil 40Z1, QZ2, QZ3And QZ4) value is compared, obtain each function
Corresponding voltage difference (the V of rate detection coil 40Q1’、VQ2’、VQ3’And VQ4’)；It is corresponding based on preset all power detection coils 40
Voltage difference and relative position coordinates mapping relations, according to obtained all voltage difference (VQ1’、VQ2’、VQ3’With
VQ4’), determine the center of wireless charging receiving coil 10, with the relative position coordinates at the center of wireless charging transmitting coil (x,
y)；The center position coordinates of wireless charging transmitting coil are (0,0)；
Display screen 30, for the center of wireless charging transmitting coil to be presented by 30 center of display screen, and dynamic is in
The center of existing wireless charging receiving coil 10, center and the wireless charging transmitting coil of wireless charging receiving coil 10 is presented
The relative position at center.
The wireless charging device of third embodiment of the invention, the wireless charging that can effectively present in wireless charging device connect
The wireless charging transmitting coil relative position being arranged in take-up circle 10 and wireless charging device assists user's control wireless charging Denso
The wireless charging transmitting coil being arranged in the wireless charging receiving coil 10 and wireless charging device set precisely aligns, and effectively mentions
High wireless charging device wireless charging efficiency, avoids that wireless charging device wireless charging heating is serious, and charge slow disadvantage
End.
Fourth embodiment of the invention, a kind of wireless charging device, as shown in Figures 5 to 7, including consisting of part:
Wireless charging receiving coil 10, controller 20, display screen 30 and three or three or more power detection coil 40；
Wherein, controller 20 is connect with display screen 30 and each power detection coil 40 respectively；All power detection coils
40 are all set in a plane with wireless charging receiving coil 10；The center of each power detection coil 40 and wireless charging receive
The distance at the center of coil 10 is set distance value；The center of any two adjacent power detection coil 40 connects with wireless charging
The line angle at the center of take-up circle 10 is setting angle value；
Power detection coil 40 obtains detection voltage for the electromagnetic wave by receiving the transmitting of wireless charging transmitting coil,
And it will test voltage transmission to controller 20；
Controller 20, for according to each detection voltage for receiving, determine the center of wireless charging receiving coil 10 with
The relative position at the center of wireless charging transmitting coil；
Display screen 30, for rendering phase at the center of wireless charging receiving coil 10 and the center of wireless charging transmitting coil
To position；
In the present embodiment, in the case where the quantity of power detection coil 40 is N, any two adjacent power detection line
The line angle at the center at the center and wireless charging receiving coil 10 of circle 40 is 360 °/N；Wherein N is more than or equal to 3
Positive integer.
In the present embodiment, wireless charging transmitting coil is set to wireless charging emitter, is emitted by wireless charging
The alternating magnetic field that coil generates, to generate the electric field of alternation in wireless charging receiving coil 10, by being received to wireless charging
Alternating electric field in coil is handled, to generate the stable charging current in wireless charging device.In the present embodiment, such as
Shown in Fig. 6, controller 20, comprising: control switch 21, analog-digital converter 22 and control comparator 23；
Wherein, control switch 21 respectively with each power detection coil 40, control comparator 23 and analog-digital converter
22 connections；Analog-digital converter 22 is connect with control comparator 23；
Comparator 23 is controlled, is successively connect with each power detection coil 40 for controlling control switch 21；
Control switch 21, detection voltage transmission for obtaining each power detection coil 40 to analog-digital converter
22；
Analog-digital converter 22, the detection voltage for obtaining each power detection coil 40 are converted to Digital Detecting
Signal, and digital detection signal is transmitted to control comparator 23；
Comparator 23 is controlled, is also used to be determined wireless according to the corresponding digital detection signal of each power detection coil 40
The center of charging receiving coil 10, the relative position coordinates with the center of wireless charging transmitting coil.
In the present embodiment, comparator 23 is controlled, is specifically used for: being examined according to the corresponding number of each power detection coil 40
Signal is surveyed, determines the center position coordinates of wireless charging receiving coil 10；According to the center of wireless charging receiving coil 10
Coordinate determines the center of wireless charging receiving coil 10, the relative position coordinates with the center of wireless charging transmitting coil；Its
In, the center position coordinates of wireless charging transmitting coil are origin.
For example, as shown in figure 5, the quantity of power detection coil 40 is 4, respectively Q1, Q2, Q3 and Q4；All power
Detection coil 40 (Q1, Q2, Q3 and Q4) and wireless charging receiving coil 10 are all set in a plane；Each power detection coil
40 shape is circle；Each power detection coil 40 is uniformly arranged on the inside of wireless charging receiving coil 10；Each function
The distance at the center of rate detection coil 40 to 10 center of wireless charging receiving coil is the distance value of setting；The adjacent function of any two
The angle at the center of rate detection coil 40 to 10 center of wireless charging receiving coil is 90 °；
Power detection coil 40 obtains detection voltage for the electromagnetic wave by receiving the transmitting of wireless charging transmitting coil,
And it will test voltage transmission to controller 20；Wherein, the detection voltage of power detection coil 40 (Q1) is VQ1, power detection coil
The detection voltage of 40 (Q2) is VQ2, the detection voltage of power detection coil 40 (Q3) is VQ3And power detection coil 40 (Q4)
Detection voltage is VQ4；
Comparator 23 is controlled, is successively connect with each power detection coil 40 for controlling control switch 21；
Control switch 21, detection voltage transmission for obtaining each power detection coil 40 to analog-digital converter
22；
Analog-digital converter 22, the detection voltage (V for obtaining each power detection coil 40Q1, VQ1, VQ1, and
VQ1) be converted to digital detection signal (VQs1, VQs1, VQs1And VQs1), and digital detection signal is transmitted to control comparator 23；
Comparator 23 is controlled, is also used to according to the corresponding digital detection signal (V of each power detection coil 40Qs1, VQs1,
VQs1And VQs1), determine the center position coordinates of wireless charging receiving coil 10；According to the center of wireless charging receiving coil 10
Position coordinates determine the center of wireless charging transmitting coil, the relative position coordinates with the center of wireless charging receiving coil 10
(x,y)；Wherein, x=((VQs4-VQs2)+(VQs3-VQs1))/2；Y=((VQs3-VQs4)+(VQs1-VQs2))/2；Wireless charging receives
The center position coordinates of coil 10 are (0,0)；
As shown in fig. 7, display screen 30, for being presented in wireless charging receiving coil 10 by 30 center of display screen
The heart (position coordinates are (0,0)), and the center (center position coordinates (x, y)) of wireless charging transmitting coil is presented in dynamic, to be in
The relative position at the center at the center and wireless charging transmitting coil of existing wireless charging receiving coil 10.
The wireless charging device of fourth embodiment of the invention, the wireless charging that can effectively present in wireless charging device connect
The wireless charging transmitting coil relative position being arranged in take-up circle 10 and wireless charging device assists user's control wireless charging Denso
The wireless charging transmitting coil being arranged in the wireless charging receiving coil 10 and wireless charging device set precisely aligns, and effectively mentions
High wireless charging device wireless charging efficiency, avoids that wireless charging device wireless charging heating is serious, and charge slow disadvantage
End.
Fifth embodiment of the invention, a kind of wireless charging device, as shown in Figures 5 to 7, including consisting of part:
Wireless charging receiving coil 10, controller 20, display screen 30 and three or three or more power detection coil 40；
Wherein, controller 20 is connect with display screen 30 and each power detection coil 40 respectively；All power detection coils
40 are all set in a plane with wireless charging receiving coil 10；The center of each power detection coil 40 and wireless charging receive
The distance at the center of coil 10 is set distance value；The center of any two adjacent power detection coil 40 connects with wireless charging
The line angle at the center of take-up circle 10 is setting angle value；
Power detection coil 40 obtains detection voltage for the electromagnetic wave by receiving the transmitting of wireless charging transmitting coil,
And it will test voltage transmission to controller 20；
Controller 20, for according to each detection voltage for receiving, determine the center of wireless charging receiving coil 10 with
The relative position at the center of wireless charging transmitting coil；
Display screen 30, for rendering phase at the center of wireless charging receiving coil 10 and the center of wireless charging transmitting coil
To position；
In the present embodiment, in the case where the quantity of power detection coil 40 is N, any two adjacent power detection line
The line angle at the center at the center and wireless charging receiving coil 10 of circle 40 is 360 °/N；Wherein N is more than or equal to 3
Positive integer.
In the present embodiment, wireless charging transmitting coil is set to wireless charging emitter, is emitted by wireless charging
The alternating magnetic field that coil generates, to generate the electric field of alternation in wireless charging receiving coil 10, by being received to wireless charging
Alternating electric field in coil is handled, to generate the stable charging current in wireless charging device.In the present embodiment, it controls
Device 20 processed, comprising: control switch 21, analog-digital converter 22 and control comparator 23；
Wherein, control switch 21 respectively with each power detection coil 40, control comparator 23 and analog-digital converter
22 connections；Analog-digital converter 22 is connect with control comparator 23；
Comparator 23 is controlled, is successively connect with each power detection coil 40 for controlling control switch 21；
Control switch 21, detection voltage transmission for obtaining each power detection coil 40 to analog-digital converter
22；
Analog-digital converter 22, the detection voltage for obtaining each power detection coil 40 are converted to Digital Detecting
Signal, and digital detection signal is transmitted to control comparator 23；
Comparator 23 is controlled, is also used to be determined wireless according to the corresponding digital detection signal of each power detection coil 40
The center of charging receiving coil 10, the relative position coordinates with the center of wireless charging transmitting coil.
In the present embodiment, comparator 23 is controlled, is specifically used for: by the corresponding Digital Detecting of each power detection coil 40
Signal, preset position reference signal corresponding with each power detection coil 40 are compared, and obtain each power detection coil
40 corresponding position error signals；Based on the preset corresponding position error signal of all power detection coils 40 and relative position
The mapping relations of coordinate determine the center of wireless charging receiving coil 10 according to obtained all position error signals, with nothing
The relative position coordinates at the center of line charge electricity transmitting coil.
Wherein, the corresponding preset position reference signal of each power detection coil 40 is in wireless charging receiving coil 10
In the case that the horizontal distance of center and wireless charging transmitting coil is zero, the corresponding Digital Detecting of each power detection coil 40
Signal.
For example, as shown in figure 5, the quantity of power detection coil 40 is 4, respectively Q1, Q2, Q3 and Q4；All power
Detection coil 40 (Q1, Q2, Q3 and Q4) and wireless charging receiving coil 10 are all set in a plane；Each power detection coil
40 shape is circle；Each power detection coil 40 is uniformly arranged on the inside of wireless charging receiving coil 10；Each function
The distance at the center of rate detection coil 40 to 10 center of wireless charging receiving coil is the distance value of setting；The adjacent function of any two
The angle at the center of rate detection coil 40 to 10 center of wireless charging receiving coil is 90 °；
Power detection coil 40 obtains detection voltage for the electromagnetic wave by receiving the transmitting of wireless charging transmitting coil,
And it will test voltage transmission to controller 20；Wherein, the detection voltage of power detection coil 40 (Q1) is VQ1, power detection coil
The detection voltage of 40 (Q2) is VQ2, the detection voltage of power detection coil 40 (Q3) is VQ3And power detection coil 40 (Q4)
Detection voltage is VQ4；
Comparator 23 is controlled, is successively connect with each power detection coil 40 for controlling control switch 21；
Control switch 21, detection voltage transmission for obtaining each power detection coil 40 to analog-digital converter
22；
Analog-digital converter 22, the detection voltage (V for obtaining each power detection coil 40Q1, VQ1, VQ1, and
VQ1) be converted to digital detection signal (VQs1, VQs1, VQs1And VQs1), and digital detection signal is transmitted to control comparator 23；
Comparator 23 is controlled, is also used to the corresponding digital detection signal (V of each power detection coil 40Qs1, VQs1,
VQs1And VQs1), preset position reference signal (V corresponding with each power detection coil 40Qz1, VQz1, VQz1And VQz1) carry out
Compare, obtains the corresponding position error signal (V of each power detection coil 40Qs1’, VQs1’, VQs1’And VQs1’)；Based on preset
All power detection coils 40 corresponding position error signal and relative position coordinates mapping relations, according to obtained institute
There is position error signal (VQs1’, VQs1’, VQs1’And VQs1’), the center of wireless charging receiving coil 10 is determined, with wireless charging
The relative position coordinates at the center of transmitting coil；
Wherein, the corresponding preset position reference signal (V of each power detection coil 40Qz1, VQz1, VQz1And VQz1) be
In the case that the center of wireless charging receiving coil 10 and the horizontal distance of wireless charging transmitting coil are zero, each power detection
The corresponding digital detection signal of coil 40；
As shown in fig. 7, display screen 30, for being presented in wireless charging receiving coil 10 by 30 center of display screen
The heart, and the center of wireless charging transmitting coil is presented in dynamic, center and the wireless charging of wireless charging receiving coil 10 is presented
The relative position at the center of transmitting coil.
The wireless charging device of fifth embodiment of the invention, the wireless charging that can effectively present in wireless charging device connect
The wireless charging transmitting coil relative position being arranged in take-up circle 10 and wireless charging device assists user's control wireless charging Denso
The wireless charging transmitting coil being arranged in the wireless charging receiving coil 10 and wireless charging device set precisely aligns, and effectively mentions
High wireless charging device wireless charging efficiency, avoids that wireless charging device wireless charging heating is serious, and charge slow disadvantage
End.
Sixth embodiment of the invention, a kind of electronic equipment, as shown in figure 8, including first embodiment of the invention to the present invention
Wireless charging device 70 described in any embodiment and power supply module 60 in 5th embodiment.
Wherein, the wireless charging receiving coil 10 in wireless charging device 70 is connect with power supply module 60；
Wireless charging receiving coil 10, for providing electric current for power supply module 60.
The wireless charging receiving coil and nothing of electronic equipment can be effectively presented in the electronic equipment of sixth embodiment of the invention
The wireless charging of the wireless charging transmitting coil relative position that line charge Denso centers, auxiliary user's control electronic equipment receives
The wireless charging transmitting coil being arranged in coil and wireless charging device precisely aligns, and effectively increases electronic equipment wireless charging
Efficiency, avoids that electronic equipment wireless charging heating is serious, and charge slow drawback.
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.
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 a storage medium
In (such as ROM/RAM, magnetic disk, CD), including some instructions are used so that a terminal (can be mobile phone, computer, service
Device, air conditioner or network equipment etc.) execute method described in each embodiment of the present invention.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited to above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form, all of these belong to the protection of the present invention.
Claims (10)
1. a kind of wireless charging device, comprising: wireless charging receiving coil, which is characterized in that described device further include: control
Device, display screen and multiple power detection coils；
The controller is connect with the display screen and each power detection coil respectively；All power detection coils
A plane is all set in the wireless charging receiving coil；The center of each power detection coil and the wireless charging
The distance at the center of electric receiving coil is respectively less than given threshold；
The power detection coil obtains detection voltage for the electromagnetic wave by receiving the transmitting of wireless charging transmitting coil, and
By the detection voltage transmission to the controller；
The controller, for determining in the wireless charging receiving coil according to each detection voltage received
The relative position at the center of the heart and the wireless charging transmitting coil；
The display screen, for rendering phase at the center of wireless charging receiving coil and the center of the wireless charging transmitting coil
To position.
2. the apparatus according to claim 1, which is characterized in that the quantity of the power detection coil be three or three with
On.
3. the apparatus according to claim 1, which is characterized in that the center of each power detection coil and described wireless
The distance at the center of charging receiving coil is set distance value.
4. the apparatus according to claim 1, which is characterized in that the center of the adjacent power detection coil of any two with
The line angle at the center of the wireless charging receiving coil is setting angle value.
5. device according to any one of claims 1 to 4, which is characterized in that the controller is specifically used for:
According to the corresponding detection voltage of each power detection coil, the center of the wireless charging receiving coil is determined
Coordinate；
According to the center position coordinates of the wireless charging receiving coil, center and the institute of the wireless charging receiving coil are determined
State the relative position at the center of wireless charging transmitting coil；Wherein, the center position coordinates of the wireless charging transmitting coil are
Origin.
6. device according to any one of claims 1 to 4, which is characterized in that the controller is specifically used for:
The detection voltage that each power detection coil received is sent, with each power detection coil pair
The preset voltage values answered are compared, and obtain the corresponding voltage difference of each power detection coil；
Based on the mapping relations of preset all power detection coils corresponding voltage difference and relative position coordinates, according to
Obtained all voltage differences, determine the center of the wireless charging receiving coil, with the wireless charging emission lines
The relative position at the center of circle.
7. device according to any one of claims 1 to 4, which is characterized in that the controller, comprising: control switch, mould
Quasi- digital quantizer and control comparator；
The control switch respectively with each power detection coil, the control comparator and the analog-digital converter
Connection；The analog-digital converter is connect with the control comparator；
The control comparator is successively connect with each power detection coil for controlling the control switch；
The control switch, detection voltage transmission to the simulation numeral for obtaining each power detection coil turn
Parallel operation；
The analog-digital converter, the detection voltage for obtaining each power detection coil are converted to Digital Detecting
Signal, and the digital detection signal is transmitted to the control comparator；
The control comparator, is also used to according to the corresponding digital detection signal of each power detection coil, determine described in
The center of wireless charging receiving coil, the relative position with the center of the wireless charging transmitting coil.
8. device according to claim 7, which is characterized in that the control comparator is specifically used for:
According to the corresponding digital detection signal of each power detection coil, the center of the wireless charging receiving coil is determined
Position coordinates；
According to the center position coordinates of the wireless charging receiving coil, the center of the wireless charging receiving coil is determined, with
The relative position at the center of the wireless charging transmitting coil；Wherein, the center position coordinates of the wireless charging transmitting coil
For origin.
9. device according to claim 7, which is characterized in that the control comparator is specifically used for:
It is corresponding preset with each power detection coil by the corresponding digital detection signal of each power detection coil
Position reference signal is compared, and obtains the corresponding position error signal of each power detection coil；
Based on the mapping relations of preset all power detection coils corresponding position error signal and relative position coordinates,
According to obtained all position error signals, the center of the wireless charging receiving coil is determined, with the wireless charging
The relative position at the center of electric transmitting coil.
10. a kind of terminal, which is characterized in that including wireless charging device according to any one of claims 1 to 9, and electricity
Source component；
Wherein, the wireless charging receiving coil is connect with the power supply module；
The wireless charging receiving coil, for providing electric current for the power supply module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811083249.8A CN109193975A (en) | 2018-09-17 | 2018-09-17 | A kind of wireless charging device and terminal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811083249.8A CN109193975A (en) | 2018-09-17 | 2018-09-17 | A kind of wireless charging device and terminal |
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Family
ID=64911942
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811083249.8A Pending CN109193975A (en) | 2018-09-17 | 2018-09-17 | A kind of wireless charging device and terminal |
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Application publication date: 20190111 |