CN109217498A - It is a kind of to control the device to charge, method with LIFI - Google Patents
It is a kind of to control the device to charge, method with LIFI Download PDFInfo
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- CN109217498A CN109217498A CN201811073611.3A CN201811073611A CN109217498A CN 109217498 A CN109217498 A CN 109217498A CN 201811073611 A CN201811073611 A CN 201811073611A CN 109217498 A CN109217498 A CN 109217498A
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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
- H02J50/20—Circuit arrangements or systems for wireless supply or distribution of electric power using microwaves or radio frequency waves
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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
- H02J50/30—Circuit arrangements or systems for wireless supply or distribution of electric power using light, e.g. lasers
-
- 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
- H02J50/40—Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or receiving devices
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- H02J7/025—
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- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Communication System (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
本发明公开了一种用LIFI控制进行充电的装置，包括集中控制电路、LIFI组合发射电路和光电转换电路，LIFI组合发射电路中，发射控制器通过恒流驱动阵列对LED阵列中每个LED单元进行控制，通过LIFI LED驱动电路驱动LIFI LED光源向外界发送LIFI信号；光电转换电路中，透明光伏玻璃板铺设在待充电设备的显示屏上，LED阵列发射的红外线定向辐射光照射在透明光伏玻璃板上，经光电转换后通过充电电路将电能输送到待充电设备；待充电设备上设有用于接收LIFI信号的LIFI接收模块，待充电设备通过网络与集中控制电路连接，集中控制电路与若干个发射控制器数据连接。本发明可对在屋内任何位置的移动终端进行定位、辐射光源自动搜索、自动跟踪进行远程光充电，能够实现快速、稳定的供电。
The invention discloses a charging device controlled by LIFI, comprising a centralized control circuit, a LIFI combined emission circuit and a photoelectric conversion circuit. In the LIFI combined emission circuit, the emission controller drives the array to each LED unit in the LED array through a constant current. Control, drive the LIFI LED light source to send LIFI signals to the outside world through the LIFI LED drive circuit; in the photoelectric conversion circuit, the transparent photovoltaic glass plate is laid on the display screen of the device to be charged, and the infrared directional radiation emitted by the LED array is irradiated on the transparent photovoltaic glass. On the board, after photoelectric conversion, the electric energy is transmitted to the equipment to be charged through the charging circuit; the equipment to be charged is provided with a LIFI receiving module for receiving LIFI signals, the equipment to be charged is connected to the centralized control circuit through the network, and the centralized control circuit is connected with several Transmit controller data connection. The present invention can locate the mobile terminal in any position in the house, automatically search for the radiation light source, automatically track the remote light charging, and can realize fast and stable power supply.
Description
Technical field
The present invention relates to mobile terminal charging research field, in particular to a kind of device to be charged with LIFI control,
Method.
Background technique
With universal and the communication technology the development of electronic product, mobile terminal device is had become in people's daily life
Indispensable a part.Realize the portability of mobile terminal, mobile terminal is powered by self-contained battery, therefore
The length of power-on time is determined by battery.
In order to improve mobile terminal battery powers duration in use, there are many methods at present.One is carry-on
External mobile power source is carried, is charged by wired charging method.Have the shortcomings that inconvenient to carry, unsafe.Another kind is
It is wirelessly charged using the principle in magnetic field, but to need mobile terminal to be placed on wireless charging device enough for which
At close position.One is be powered using solar energy.It needs additionally to increase individual photovoltaic panel, need in charging too
It charges under the visible lights such as sun, reduces the service life of mobile terminal.
Summary of the invention
The shortcomings that it is a primary object of the present invention to overcome the prior art and deficiency provide a kind of controlled with LIFI and are filled
The device of electricity, method, which can be powered using infrared ray black light, and the area for receiving luminous energy is big, can be realized
Quickly, stable power supply.
The purpose of the present invention is realized by the following technical solution: it is a kind of to control the device to charge with LIFI, including
Centralized control circuit, LIFI combination transmit circuit and photoelectric conversion circuit, LIFI combination transmit circuit include mission controller,
LED array, LIFI LED light source, mission controller control LED unit each in LED array by constant current drive array
System, mission controller drive LIFI LED light source outwardly to send LIFI signal by LIFI LED drive circuit；Photoelectric conversion
Circuit includes transparent photovoltaic glass plate, charging circuit, and transparent photovoltaic glass plate is laid on the display screen of charging equipment, LED
The infrared ray directed radiation light of array emitter is radiated on transparent photovoltaic glass plate, will be electric by charging circuit after photoelectric conversion
Charging equipment can be transported to；Charging equipment is equipped with the LIFI receiving module for receiving LIFI signal, charging equipment
By network and centralized control circuit connection, centralized control circuit and several mission controller data connections.
Preferably, each LIFI combination transmit circuit is arranged on a rotary platform, and the rotation of rotary platform is by sending out
Penetrate controller control.LIFI combination transmit circuit may be provided at multiple positions on roof ceiling, under mission controller control,
LIFI can be driven to combine transmit circuit by the rotation of rotary platform to rotate to charging equipment direction, so that LED array is sent out
The infrared ray directed radiation light penetrated is radiated to the greatest extent on transparent photovoltaic glass plate, and realization black light is set to be charged
Standby intelligent-tracking, orientation charging.
Preferably, each LED unit includes a LED infrared transmitting tube and one by parabolic wheat flour in the LED array
At snoot, LED infrared transmitting tube is mounted on the focal point of snoot.The light of LED infrared transmitting tube transmitting is through snoot
Parallel invisible infrared radiation is formed after effect, improves the radiant power of LED.
Preferably, the LED array includes several LED units, the distribution of LED infrared transmitting tube and spoke in LED unit
It is similar to the shape of transparent photovoltaic glass plate to penetrate area shape.It is convenient for effective photoelectric conversion.
Preferably, the constant current drive array uses LED step-up DC/DC constant-current driven chip, and input voltage is by LIFI
The power supply combined in transmit circuit provides, and PWM modulation signal is provided by mission controller.Constant current drive array is in emission control
Under the control of device, power control and LIFI signal modulation are carried out to high-power LED array.Using constant current drive mode, can eliminate
The current fluctuation due to caused by voltage fluctuation can generate constant luminance, extend LED life.
Preferably, the LIFI LED light source selects white light emitting diode.LIFI LED light source is not influencing LED illumination
While, it modulates signals on LED light source, the high frequency flicker signal that human eye can not perceive is generated by high-speed switch to transmit
Data.The illumination functions and data communication function of LIFI combination light, have capacity it is big, high-efficient, practical it is wide, safety is high etc.
Feature is a kind of mode of novel wireless communication.
Preferably, the LIFI LED drive circuit selects LED step-up DC/DC constant-current driven chip.LIFI LED drives
Dynamic circuit drives LIFI LED light source to work under the control of mission controller.
Preferably, the mission controller uses ARM microcontroller, passes through Ethernet interface and centralized control circuit phase
Even.
Preferably, the transparent photovoltaic glass plate uses AR coated photovoltaic glass, the panel of size and charging equipment
Product is approximately uniform.Transparent photovoltaic glass plate of the present invention can replace existing charging equipment to show glass screen completely, from environment light and
It is continuously produced electricl energy in the invisible infrared ray of directed radiation, while making to receive luminous energy maximization.
Preferably, the charging circuit includes the voltage regulating module being sequentially connected, luminous energy detection circuit and photoelectric controller, institute
It states after voltage regulating module carries out pressure stabilizing to the voltage that transparent photovoltaic glass plate exports and delivers the power to charging equipment；Photo-electric control
Device detects the voltage of voltage regulating module, the terminal control sent voltage signal in charging equipment by luminous energy detection circuit
Device.
Preferably, the charging equipment is equipped with charging equipment partial circuit, which includes terminal control unit, fills
Battery, LIFI receiving module and wireless communication module, under terminal control unit control, photoelectric conversion circuit is supplied to rechargeable battery
Electricity, LIFI receiving module receive the LIFI signal of LIFI combination transmit circuit transmitting；Terminal control unit passes through wireless communication module
It is connected with the Centralized Controller in centralized control circuit.
Further, the wireless communication module includes radio circuit, WIFI module or bluetooth module.
Further, on the charging equipment, in transparent photovoltaic glass plate and it is respectively arranged below one
LIFI receiving module, in carrying out charging process, the infrared ray directed radiated energy of two LED units generation in LED array
With LIFI signal, reception is oriented by above-mentioned two LIFI receiving module respectively.Through this structure, reception can be determined
Optical power, transparent photovoltaic glass screen and LED array accurate contraposition are realized by the size of regulating optical power.
Preferably, the centralized control circuit includes hub, Centralized Controller, and each LIFI is combined in transmit circuit
Mission controller passes through hub and is connected with Centralized Controller, and Centralized Controller passes through wireless network and charging equipment phase
Even.By hub, multiple LIFI combination transmit circuits can form a local area network.Centralized Controller can receive charging equipment and pass
Electricity, LIFI signal data and luminous energy data of black light of the current charging equipment sent etc. are concentrated according to above-mentioned data
Controller controls each LIFI combination transmit circuit, adjustment direction and transmission power.
A method of it is charged with LIFI control, comprising steps of
Judge the electricity of rechargeable battery in current charging equipment, if being lower than certain threshold value, execute charge step,
Specifically:
(1) three or more LIFI charging equipment coordinate setting: are received by LIFI receiving module on charging equipment
The data are passed to Centralized Controller by the data of the optical power signals intensity (RSSI) of LED light source, are combined and are emitted according to LIFI
The known coordinate of circuit calculates charging equipment coordinate using circumferential registration algorithm；
(2) light source positions: according to charging equipment coordinate, calculating LIFI combination hair nearest with a distance from charging equipment
The azimuth and pitch angle that transmit-receive radio road should rotate are adjusted in LIFI combination transmit circuit according to above-mentioned azimuth and pitch angle
LED array, make its emit infrared ray directed radiation light be directed toward charging equipment；LED array is detected in charging equipment
After the optical power data of transmitting, light charging is carried out to charging equipment, reads the electricity of mobile terminal in real time while charging
Data are to adjust the power of LED infrared transmitting tube in LED array.
Preferably, in the step (2), in carrying out light source position fixing process, LED array according to calculated azimuth and
After pitch angle is rotated, judge whether to receive optical power data and volume by two LIFI receiving modules on charging equipment
Code enters infrared ray directed radiation light source search step, method is if do not received:
The Centralized Controller of centralized control circuit is centered on current location, and using i*D as radius, D is the straight of LED array
Diameter, i are search circumference number, calculate round search path, and the mission controller control of transmit circuit is combined by corresponding LIFI
Holder processed carries out round search；
If two LIFI receiving module detections receive optical power data and coding on charging equipment, enter infrared
Line directed radiation light source charged state, otherwise, search circumference number i add 1, and the Centralized Controller of centralized control circuit is with present bit
It is set to center, using i*D as radius, calculates round search path again, and combine the transmitting control of transmit circuit by corresponding LIFI
Device control holder processed carries out round search again and enters charged state until searching optical power data and coding.
Preferably, after the optical power data that charging equipment detects LED array transmitting, light is carried out to charging equipment
In charging process, infrared ray directed radiation light source tracking step is also executed, method is:
Two LIFI receiving module detections receive any one LIFI combination transmit circuit transmitting on charging equipment
Optical power data and coding, send it in Centralized Controller；
According to the motion profile of current holder, the position of infrared ray directed radiation light source and two LIFI receiving modules is judged
Error is set, error information is transmitted to mission controller, holder is controlled from mission controller and is turned to the direction for reducing location error
It is dynamic, until the optical power data for two different codings that two LIFI receiving modules are respectively received are equal, then show infrared ray
Directed radiation light source and charging equipment position consistency, tracking are completed.
Further, transmit circuit is combined for a LIFI, when carrying out tracking step, there are two the LED encoded
Unit is only as the tracking light source with charging equipment, not responsible charging；
Other LED units generate not under mission controller control according to the deposited electricity data of current charging equipment
With the optical power of power, non-contacting, invisible ray light is carried out to charging equipment and is charged；
While light charging, charge power and electricity that current charging equipment receives are transmitted to concentration control in real time
In device processed, increasing light is determined the need for by Centralized Controller and fills power, if called on another group of LIFI combination transmit circuit
Light source to charging equipment carry out light charging.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1, the present invention replaces existing charging equipment (such as mobile terminal) to show glass screen position with transparent photovoltaic glass plate
It sets, light charging is realized in the normal operating and use for not influencing display screen.
2, transparent photovoltaic glass plate area and charging equipment panel area are approximately uniform in the present invention, make to receive luminous energy most
Bigization.
3, the present invention in received luminous energy not only can be visible light, can also mainly receive be mounted on it is big at roof
Power and the infrared ray directed radiation light source of energy intelligent-tracking charging equipment transparent photovoltaic glass plate movement, can be in doors
The transparent photovoltaic glass plate of any position carries out dynamic positioning, progress is searched for and automatically tracked automatically to infrared ray directed radiation light source
Long-range light charging realizes charging equipment in a state of use with the automatic light charging under stationary state, and solving can only lean on
It is easy to damage that the charging of the visible lights such as the sun causes charging equipment to charge for a long time in the sun, and the charging of evening visible light influences other people and stops
The problems such as breath, also solves and troubles the problems such as people's wireless charging distance is close, wired charging is easy forgetting for a long time.
Detailed description of the invention
Fig. 1 is the overall structure composition block diagram that the present embodiment controls the device to charge with LIFI.
Fig. 2 is the structural decomposition diagram of transparent photovoltaic glass plate on mobile terminals in the present embodiment.
Fig. 3 is the structural schematic diagram that LIFI combines transmit circuit in the present embodiment.
Fig. 4 is the structural schematic diagram of single led unit in LED array in the present embodiment.
Fig. 5 is the scheme of installation of centralized control circuit and 4 LIFI combination transmit circuits in the present embodiment.
Fig. 6 is to control the method flow diagram to charge with LIFI in the present embodiment.
Specific embodiment
Present invention will now be described in further detail with reference to the embodiments and the accompanying drawings, but embodiments of the present invention are unlimited
In this.
The present embodiment by taking the mobile phone of device to be charged using the present invention with LIFI control as an example, to the device of charging with
And method is specifically described.
Referring to Fig. 1, in this embodiment scheme, photoelectric conversion electricity is mainly concerned with the device that LIFI control is charged
The improvement on road, LIFI combination 4 transmit circuit, centralized control circuit and mobile terminal partial circuit parts, combines separately below
Each part is specifically described in attached drawing.
(1) photoelectric conversion circuit
Photoelectric conversion circuit is used to receive the black light that LIFI on roof ceiling combines transmit circuit transmitting, can not
Light-exposed luminous energy is converted to electric energy.Referring to fig. 2, it is made of transparent photovoltaic glass plate 1 and charging circuit 5, wherein charging circuit packet
Include voltage regulating module, luminous energy detection circuit and photoelectric controller.
1, transparent photovoltaic glass plate
Transparent photovoltaic glass plate 1 is used to receive the invisible infrared ray energy from LIFI combination transmit circuit directed radiation,
Organic matter by the plastic film being attached on transparent photovoltaic glass plate absorbs invisible light beam, realizes by luminous energy to electric energy
Conversion, and the normal light transmission function of glass is not influenced.Film on transparent photovoltaic glass plate selects universal energy company's production
Highly transparent power film, by cover mobile terminal display screen, from the invisible infrared ray of environment light and directed radiation
In continuously produce electricl energy.
The present invention is to be substituted by the original cover-plate glass of mobile terminal to charge to mobile terminal by luminous energy
Transparent photovoltaic glass plate 1 is placed on the position of original platen glass.Touch inductor layer 2 and LCD panel 3 are the knots of former mobile terminal
Structure remains unchanged.The electric energy that transparent photovoltaic glass plate generates is sent into charging circuit 5 by power supply output line 4 and is handled, and charges
Circuit 5 is used to be acquired voltage and pressure regulation, will be acquired by charging cable 6 and is transferred in mobile terminal with the electric energy after pressure stabilizing
The charging circuit and CPU in portion.
2, charging circuit
2.1 voltage regulating module
After the voltage that voltage regulating module is used to export transparent photovoltaic glass plate carries out pressure stabilizing, it is connected to the power supply of mobile terminal
End charges to mobile terminal power supply and rechargeable battery.Select model LM2576-5 switching mode integrated voltage-stabilized chip as pressure regulation
Circuit, highest input voltage are 40V, output voltage 5V.
2.2 luminous energy detection circuits
Luminous energy detection circuit is for being transferred to photo-electric control after being converted the voltage value that transparent photovoltaic glass plate generates
Device is AD converted.Luminous energy detection circuit is realized by the bleeder circuit that two resistance form.
2.3 photoelectric controller
The effect of photoelectric controller is the voltage amplitude of real-time acquisition transparent photovoltaic glass plate output, and by voltage amplitude degree
Terminal control unit is sent into according to by spi bus transmission mode.The STC12C5A60S2 type single-chip microcontroller of STC Corporation's production is selected, and
By the port ADC on single-chip microcontroller, the data acquisition to transparent photovoltaic glass plate output voltage amplitude is rapidly completed, and will acquisition
Voltage amplitude data terminal control unit is uploaded to spi bus transmission mode.
(2) mobile terminal partial circuit
Mobile terminal partial circuit mainly by terminal control unit and is separately mounted on mobile terminal transparent photovoltaic glass screen
Two LIFI receiving modules of side and lower section form.
1, terminal control unit
Terminal control unit is used to receive the voltage amplitude data of acquisition transparent photovoltaic glass plate output in real time, and reception is mobile eventually
The LIFI signal and optical power data for holding two LIFI receiving modules transmission above and below display screen, to LIFI signal and light
Power data carries out data decoding, and is connect with mobile Internet by radio circuit or WIFI or bluetooth, by voltage amplitude
The LIFI signal light power data sent in data, the roof ceiling received upload in Centralized Controller.
2, LIFI receiving module
LIFI receiving module is believed for demodulating LIFI signal by decoding the data recovered as transmitting terminal
Breath, and then complete the reception of optical signal.In order to realize precise positioning, upper and lower two units in LED array are generated infrared
Line directed radiated energy and LIFI signal respectively be arranged in above and below mobile terminal transparent photovoltaic glass screen two
LIFI receiving module is oriented reception, is only maximum there are two the optical power that LIFI receiving module receives, then shows movement eventually
Transparent photovoltaic glass screen and LED array accurate contraposition are held, the luminous energy charged state of black light can be entered.
(3) LIFI combines transmit circuit
Referring to Fig. 3,5, in the present embodiment, LIFI, which combines transmit circuit 15,4 groups, is separately mounted to 4 of room roof 7
On angle.Single LIFI combination transmit circuit structural schematic diagram is as shown in Figure 3.LIFI combines transmit circuit in centralized control circuit 16
Control under generate LIFI signal, Infrared High-Power line directed radiation black light, at the same drive rotary platform 8 carry out hemisphere turn
It is dynamic.It mainly includes high-power LED array 10, constant current drive array, LIFI LED light source 11, LIFI that LIFI, which combines transmit circuit,
LED drive circuit, rotary platform 8 and mission controller.
1, high-power LED array
High-power LED array 10 is for generating Infrared High-Power line directed radiation light source, by six 12 groups of LED unit
At each unit is as shown in figure 4, a high power LED infrared emission tube 13 and snoot 14 made of paraboloid
Composition, wherein high power LED infrared emission tube is mounted on the focal point of snoot, forms parallel invisible infrared radiation.Six
The distribution of a Infrared High-Power light emitting diode and swept area shape are similar to the transparent photovoltaic glass screen shape of mobile terminal,
Effective photoelectric conversion is carried out to be moved easily terminal.The big function of Infrared High-Power light emitting diode selection model SFH4233
Rate infrared-emitting diode.
2, constant current drive array
Constant current drive array is to carry out power control and LIFI to high-power LED array under the control of mission controller
Signal modulation.Using constant current drive mode, the current fluctuation due to caused by voltage fluctuation can be eliminated, constant luminance can be generated,
Extend LED life.The present embodiment selects XL6003 type great power LED step-up DC/DC constant current to drive chip, input voltage by
The power supply that LIFI combines transmit circuit provides, and PWM modulation signal is provided by mission controller, can be controlled separately six LED's
Optical power and generation LIFI encoded signal.
3, LIFI LED light source
LIFI LED light source 11 is used for while not influencing LED illumination, is modulated signals on LED light source, by fast
Speed switch generates the high frequency flicker signal that human eye can not perceive to transmit data.The illumination functions and data communication of LIFI combination light
Function, capacity is big, high-efficient, practical wide, highly-safe, is a kind of mode of novel wireless communication.LIFI LED light source
Select white light emitting diode.
4, LIFI LED drive circuit
LIFI LED drive circuit is to drive LIFI LED light source 11 to work under the control of mission controller.It selects
XL6003 type great power LED step-up DC/DC constant current drives chip as LIFI LED drive circuit.
5, rotary platform
Rotary platform is to drive LIFI to combine transmit circuit under the control of mission controller to rotate to mobile terminal direction,
General day view PTS-3030C type holder is selected, be that lift the horizontal maximum rotation angle of all-directional tripod head be 350 °.Vertically angle of rotation is
±45°。
6, mission controller
The effect of mission controller specifically includes that (1) by 6 I/O port output pwm signals, controls 6 constant current drivings
Circuit is formed to the coding of each unit of high-power LED array and the optical power control of output；(2) pass through 1 I/O port output
Pwm signal controls 1 constant-current drive circuit, is formed to the coding of LIFI LED light source and the optical power control of output；(3) thoroughly
The LIFI data-signal of bright transmission Centralized Controller input；(4) control rotary platform is directed at mobile terminal direction.Mission controller
Select STMicw Electronics production 32 ARM microcontrollers of STM32F103, mission controller by W5300 chip be converted to
Too network interface 9 is connect by cable with hub.
(4) centralized control circuit
Centralized control circuit mainly includes hub and Centralized Controller.As needed, WIFI, bluetooth etc. can also be installed additional
Wireless communication module.
1, hub
Hub is used to for the signal of 4 road LIFI combination transmit circuit being attached by network, forms local area network, choosing
Use 5 mouthfuls of gigabit switch of szllwl type as separated time hub.
2, Centralized Controller
Centralized Controller moves within doors for generating LIFI data flow, and by mobile Internet or WIFI or bluetooth reception
The luminous energy data of the current electricity data of terminal and the LIFI signal data and black light that receive, pass through Centralized Controller
Data analysis is carried out, position is presently in mobile terminal and is positioned, and controls LIFI combination transmit circuit and is moved, is sent out
The black light of different capacity is penetrated to corresponding mobile terminal, the intelligent positioning of remote black light is realized, timing, quantitatively fills
Electricity.Centralized Controller selects 32 ARM microcontrollers of STM32F103 of STMicw Electronics's production, and Centralized Controller passes through
W5300 chip is converted to Ethernet interface, is connect by cable with hub.
Based on above-mentioned apparatus, 6 pairs of the present embodiment control the method to charge with LIFI and carry out specifically with reference to the accompanying drawing
Explanation.
1. system initial state
When mobile terminal electric quantity of rechargeable battery is greater than 80%, terminal control does not send not enough power supply to centralized control circuit
Signal and current electric quantity data, system are in original state, and four LIFI combine the rotary platform of transmit circuit under this state
It is placed in 0, i.e. horizontal position, the LIFI LED light source of each LIFI combination transmit circuit works normally, and transmission downlink data is given
Mobile terminal in room realizes LIFI data communication；The high-power LED array of each LIFI combination transmit circuit stops working, no
Outside radiated infrared optical power.
2. charge identification state
When mobile terminal electric quantity of rechargeable battery is less than 80%, system enters charged state by original state.Terminal control
Device processed is by not enough power supply signal and current electric quantity data transmission into the Centralized Controller of centralized control circuit.Here data pass
It send there are two types of method, a kind of method is to be sent into centralized control electricity by mobile terminal radio frequency circuit, mobile Internet or internet
In the Centralized Controller on road；Another method is by mobile terminal and WIFI or bluetooth module, with centralized control circuit
WIFI or bluetooth module communication, are sent in Centralized Controller.The Centralized Controller of centralized control circuit receives mobile terminal
The low signal of battery capacity after, mobile terminal location state is entered by charging identification state.
3. mobile terminal location state
Using circumferential registration algorithm, three or more are received by two LIFI receiving modules in mobile terminal partial circuit
The data of the optical power signals intensity (RSSI) of LIFI LED light source are sent into the concentration of centralized control circuit by terminal control unit
In controller, Centralized Controller calculates the movement of mobile terminal further according to the known coordinate of four LIFI combination transmit circuits
Coordinate (Xn, Yn).
4. infrared ray directed radiation light source positioning states
According to the moving coordinate (Xn, Yn) of mobile terminal calculated under mobile terminal location state, centralized control circuit
Centralized Controller calculate the azimuth and pitch angle that nearest from mobile terminal LIFI combination transmit circuit should rotate, and
The data of azimuth and pitch angle are sent into the mission controller that corresponding LIFI combines transmit circuit by hub, are controlled by transmitting
Device control rotary platform rotation processed, makes infrared ray directed radiation light source be directed toward mobile terminal.
Mission controller controls high-power LED array by constant current drive array and emits the infrared directed radiation of low-power coding
Optical power, NPLED1, NPLED2, NPLED3, NPLED4, NPLED5, NPLED6, wherein N=1~4, indicate some LIFI combination transmitting electricity
Road；P indicates the optical power of corresponding great power LED；NPLEDXIndicate some great power LED of some LIFI combination transmit circuit
Optical power data and coding, in mobile terminal partial circuit two LIFI receiving modules detect whether to receive optical power data and
Coding, such as confiscates NPLED1, NPLED2, NPLED3, NPLED4, NPLED5, NPLED6Any one of optical power data and coding, then
Illustrate that 6 infrared ray directed radiation light sources are all not aligned with transparent photovoltaic glass plate, is searched for into infrared ray directed radiation light source
State.
5. infrared ray directed radiation light source search condition
The Centralized Controller of centralized control circuit is centered on current location, and using i*D as radius, (D is high-power LED array
Diameter, i is search circumference number), calculate round search path, and the emission control of transmit circuit is combined by corresponding LIFI
Device controls holder and carries out round search.As two LIFI receiving module detections receive optical power number in mobile terminal partial circuit
According to and coding, then enter infrared ray directed radiation light source tracking state, otherwise, search circumference number i adds 1, is no more than in i default
Maximum value I when, the Centralized Controller of centralized control circuit, using i*D as radius, calculates circle centered on current location again
All searching routes, and round search is carried out by the mission controller control holder that corresponding LIFI combines transmit circuit again, until
Optical power data and coding are searched, infrared ray directed radiation light source tracking state is entered.
6. infrared ray directed radiation light source tracking and charged state
When the detection of two LIFI receiving modules receives optical power data and coding in mobile terminal partial circuit, will receive
The NP arrivedLED1, NPLED2, NPLED3, NPLED4, NPLED5, NPLED6Any one of optical power data and coding input control to concentrating
It is handled in device processed, according to the motion profile of current holder, and the optical power data and coding that receive, it determines infrared
Error information is transmitted to transmitting control by the location error of two LIFI receiving modules on line directed radiation light source and mobile terminal
Device processed controls holder from mission controller and rotates to the direction for reducing location error, until two LIFI receiving modules connect respectively
The optical power data of two different codings received are equal, then show infrared ray directed radiation light source and mobile terminal locations one
It causes, and tracking data is sent to Centralized Controller and carries out data processing.The two coding great power LED units as with movement
The tracking light source of terminal, not responsible charging.According to the deposited electricity data of current mobile terminal, mission controller control is high-power
Other four LED units of LED array generate the optical power of different capacity, carry out non-contacting, invisible ray to mobile terminal
Light charging.And while light charging, the charge power and electricity in real time receiving current mobile terminal pass through terminal control
Device processed is transmitted in Centralized Controller, is determined the need for increasing light by Centralized Controller and is filled power, if calls another group
LIFI combines the light source on transmit circuit and carries out light charging to mobile terminal screen.
The present embodiment can carry out dynamic positioning, infrared ray directed radiation light source to the mobile terminal at any position in doors
Automatically search for and automatically track and carry out long-range light charging, realize mobile terminal in a state of use with it is automatic under stationary state
Light charging has the advantages that high-efficient, arrangement is convenient.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, other any changes, modifications, substitutions, combinations, simplifications made without departing from the spirit and principles of the present invention,
It should be equivalent substitute mode, be included within the scope of the present invention.
Claims (10)
1. a kind of control the device to charge with LIFI, which is characterized in that including centralized control circuit, LIFI combination transmitting electricity
Road and photoelectric conversion circuit, it includes mission controller, LED array, LIFI LED light source, emission control that LIFI, which combines transmit circuit,
Device controls LED unit each in LED array by constant current drive array, and mission controller passes through LIFI LED driving electricity
Road driving LIFI LED light source outwardly sends LIFI signal；Photoelectric conversion circuit includes transparent photovoltaic glass plate, charging circuit,
Transparent photovoltaic glass plate is laid on the display screen of charging equipment, and the infrared ray directed radiation light of LED array transmitting is radiated at
On transparent photovoltaic glass plate, charging equipment is delivered the power to by charging circuit after photoelectric conversion；On charging equipment
Equipped with the LIFI receiving module for receiving LIFI signal, charging equipment is concentrated by network and centralized control circuit connection
Control circuit and several mission controller data connections.
2. according to claim 1 control the device to charge with LIFI, which is characterized in that each LIFI combination
Transmit circuit is arranged on a rotary platform, and the rotation of rotary platform is controlled by mission controller.
3. according to claim 1 control the device to charge with LIFI, which is characterized in that every in the LED array
A LED unit includes that a LED infrared transmitting tube and a snoot made of paraboloid, LED infrared transmitting tube are mounted on
The focal point of snoot；
The LED array includes several LED units, the swept area shape of LED infrared transmitting tube and transparent light in LED unit
The shape for lying prostrate glass plate is similar；
The LIFI LED light source selects white light emitting diode.
4. according to claim 1 control the device to charge with LIFI, which is characterized in that the transparent photovoltaic glass
Plate uses AR coated photovoltaic glass, and size is approximately uniform with the panel area of charging equipment；
The charging circuit includes the voltage regulating module being sequentially connected, luminous energy detection circuit and photoelectric controller, the voltage regulating module
Charging equipment is delivered the power to after carrying out pressure stabilizing to the voltage of transparent photovoltaic glass plate output；Photoelectric controller passes through luminous energy
Detection circuit detects the voltage of voltage regulating module, the terminal control unit sent voltage signal in charging equipment.
5. according to claim 1 control the device to charge with LIFI, which is characterized in that charging equipment is equipped with
Charging equipment partial circuit, the circuit include terminal control unit, rechargeable battery, LIFI receiving module and wireless communication module,
Under terminal control unit control, for photoelectric conversion circuit to rechargeable battery powered, LIFI receiving module receives LIFI combination transmitting electricity
The LIFI signal of road transmitting；Terminal control unit is connected by wireless communication module with the Centralized Controller in centralized control circuit；
On the charging equipment, transparent photovoltaic glass plate and be respectively arranged below a LIFI receiving module, into
In row charging process, the infrared ray directed radiated energy and LIFI signal that two LED units in LED array generate, respectively by
Above-mentioned two LIFI receiving module is oriented reception.
6. according to claim 1 control the device to charge with LIFI, which is characterized in that the centralized control circuit
Including hub, Centralized Controller, the mission controller in each LIFI combination transmit circuit, which passes through hub and concentrates, to be controlled
Device processed is connected, and Centralized Controller is connected by wireless network with charging equipment.
7. a kind of being filled with LIFI control based on any one of the claim 1-6 device to be charged with LIFI control
The method of electricity, which is characterized in that comprising steps of
Judge the electricity of rechargeable battery in current charging equipment, if being lower than certain threshold value, executes charge step, specifically
It is:
(1) three or more LIFI LED lights charging equipment coordinate setting: are received by LIFI receiving module on charging equipment
The data are passed to Centralized Controller by the data of the optical power signals intensity in source, are combined known to transmit circuit according to LIFI
Coordinate calculates charging equipment coordinate using circumferential registration algorithm；
(2) light source positions: according to charging equipment coordinate, calculating LIFI combination transmitting electricity nearest with a distance from charging equipment
The azimuth and pitch angle that road should rotate are adjusted in LIFI combination transmit circuit according to above-mentioned azimuth and pitch angle
LED array, the infrared ray directed radiation light for emitting it are directed toward charging equipment；Detect that LED array is sent out in charging equipment
After the optical power data penetrated, light charging is carried out to charging equipment, reads the electricity number of mobile terminal in real time while charging
The power of LED infrared transmitting tube in LED array is adjusted accordingly.
8. according to claim 7 control the method to charge with LIFI, which is characterized in that in the step (2),
It carries out after LED array is rotated according to calculated azimuth and pitch angle, passing through charging equipment in light source position fixing process
Upper two LIFI receiving modules judge whether to receive optical power data and coding, fixed into infrared ray if do not received
To radiating light source search step, method is:
The Centralized Controller of centralized control circuit is centered on current location, and using i*D as radius, D is the diameter of LED array, and i is
Circumference number is searched for, calculates round search path, and holder is controlled by the mission controller that corresponding LIFI combines transmit circuit
Carry out round search；
If two LIFI receiving module detections receive optical power data and coding on charging equipment, fixed into infrared ray
To radiating light source charged state, otherwise, search circumference number i adds 1, and the Centralized Controller of centralized control circuit is with current location
Center calculates round search path using i*D as radius again, and the mission controller of transmit circuit is combined by corresponding LIFI
Control holder carries out round search again and enters charged state until searching optical power data and coding.
9. according to claim 7 control the method to charge with LIFI, which is characterized in that detected in charging equipment
After the optical power data emitted to LED array, charging equipment is carried out in light charging process, also execution infrared ray directed radiation
Light source tracking step, method are:
Two LIFI receiving module detections receive the light function of any one LIFI combination transmit circuit transmitting on charging equipment
Rate data and coding, send it in Centralized Controller；
According to the motion profile of current holder, judge that the position of infrared ray directed radiation light source and two LIFI receiving modules is missed
Error information is transmitted to mission controller by difference, is controlled holder from mission controller and is rotated to the direction for reducing location error, directly
The optical power data for two different codings being respectively received to two LIFI receiving modules are equal, then show that infrared ray orients spoke
Light source and charging equipment position consistency are penetrated, tracking is completed.
10. according to claim 9 control the method to charge with LIFI, which is characterized in that for a LIFI group
Transmit circuit is closed, when carrying out tracking step, there are two the LED units of coding only as the tracking light source with charging equipment,
Not responsible charging；
Other LED units generate different function under mission controller control according to the deposited electricity data of current charging equipment
The optical power of rate carries out non-contacting, invisible ray light to charging equipment and charges；
While light charging, charge power and electricity that current charging equipment receives are transmitted to Centralized Controller in real time
In, increasing light is determined the need for by Centralized Controller and fills power, if calls the light on another group of LIFI combination transmit circuit
Source carries out light charging to charging equipment.
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