CN106686799A - Smart searchlighting system for indoor short-range communication - Google Patents
Smart searchlighting system for indoor short-range communication Download PDFInfo
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- CN106686799A CN106686799A CN201610553441.3A CN201610553441A CN106686799A CN 106686799 A CN106686799 A CN 106686799A CN 201610553441 A CN201610553441 A CN 201610553441A CN 106686799 A CN106686799 A CN 106686799A
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
- A61L9/16—Disinfection, sterilisation or deodorisation of air using physical phenomena
- A61L9/18—Radiation
- A61L9/20—Ultra-violet radiation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
- F21V33/0004—Personal or domestic articles
- F21V33/0044—Household appliances, e.g. washing machines or vacuum cleaners
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/50—Air quality properties
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0096—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater combined with domestic apparatus
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
- H04B10/114—Indoor or close-range type systems
- H04B10/116—Visible light communication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/40—Transceivers
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/37—Converter circuits
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2202/00—Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
- A61L2202/10—Apparatus features
- A61L2202/11—Apparatus for generating biocidal substances, e.g. vaporisers, UV lamps
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
Abstract
The invention discloses a smart searchlighting system for indoor short-range communication. The smart searchlighting system comprises a bridge circuit, a central processor, a field programmable gate array circuit, a power circuit and an optical key module, wherein the bridge circuit is used for being connected with a computer USB interface and an optical transceiver circuit and receiving or transmitting a signal for transformation processing from a data signal of a computer USB; the power circuit is connected with the central processor and the field programmable gate array circuit separately; and a solar cell panel, a voltage stabilizing circuit, a power controller and a DC power supply circuit are arranged in the power circuit. According to the system, a point-to-point communication mode is achieved, relatively small receiving angle and transmitting angle are adopted for receiving and transmitting, only manual coarse alignment is needed in use, the smart searchlighting system is applied to indoor short-range wireless communication and can reach a data communication rate of over 10Mbps, the transmission distance can reach about 5m, and the smart searchlighting system basically meets the data communication requirements of indoor environments of an office, a laboratory, a family and the like.
Description
Technical field
The present invention relates to technical field of visible light communication, especially a kind of indoor short distance communication intelligence searchlighting system.
Background technology
Solar energy is discharged huge nuclear energy by the generation hydrogen helium fusion of solar interior hydrogen atom and is produced, from the sun
Emittance.
The overwhelming majority of necessary for human energy is all directly or indirectly from the sun.Plant discharges oxygen by photosynthesis
Gas, absorbing carbon dioxide, and solar energy is transformed into chemical energy stores in plant body.Coal, oil, natural gas etc. are changed
Stone fuel is also that the animals and plants for being embedded in underground by ancient times develop the primary energy for being formed through very long geological epoch.The earth itself
The energy contained is often referred to the energy and with the nuclear reaction relevant energy relevant with the heat energy of earth interior.
Visible light communication technology, is that the high speed light and shade being invisible to the naked eye sent using fluorescent lamp or light emitting diode etc. is dodged
Bright signal carrys out transmission information, and the wire device of high-speed Internet is connected on illuminator, and insertion attaching plug can make
With.The system made using this technology can cover the scope that indoor light reaches, and computer does not need electric wire connection, thus has
There is extensive DEVELOPMENT PROSPECT.Compared to other radio communication systems, it is seen that the major advantage of optic communication is：
（1）The linear directional circulation way of optic communication makes its narrow transmitting beam, good directionality, the angle of divergence of light beam generally all exist
Milliradian, or even differential of the arc measurement level, therefore the confidentiality with data transfer, unless its communication link is intercepted, otherwise data
It is difficult to leak.Because these wave beams are very oriented, a certain receiver is in alignment with, such as thinks interposition, it is necessary to connect with another portion
Receipts machine is directed at transmitter in sighting distance, in addition it is also necessary to know how to receive signal, and this is difficult to accomplish.If connect by sanction, then
Originally link is just interrupted, and user is it finds that information is by interposition.
（2）The pipeline engineering construction of costliness need not be carried out, its construction cost is about 20 % of optical cable.Networking is convenient, rapid,
Optic communication networking speed is fast, and equipment installation need only be carried out in communication point, is adapted to interim use and the emergency group in complicated landform
Net, for replacing again, deployment is also very convenient.
（3）Due to optical wavelength short (several microns of the about zero point of visible ray), so in the case where said function is completed, light
The size of sending and receiving end is more much smaller than the size of microwave, millimeter wave communication antenna, with the spy such as small power consumption, small volume, lightweight
Point, corresponding device cost is relatively low.
Although optic communication has many advantages, such as, some drawbacks are there is also, for example：Light wave can not penetrate the obstacles such as wall
Thing, easily by the interference etc. of the background noises such as sunlight, electric filament lamp, fluorescent lamp.In prior art, realize that communication is inevitable or wants
Depend on communication network, if be deep in the mountains travelling when, wireless communication network signal is weaker, or without communication network letter
Number, cannot be got in touch by communication network between tour pal (tour pal for such as, falling single or lost and team) apart from each other.
The transmission of row information is entered by communication network, is that the life of people brings conveniently, but, also there is limitation in its application.And
And, carry out communicating the operator's paying needed to communication network using communication network.Particularly, utilize in short range
Communication network is communicated, and increased the cost of communication.Meanwhile, at present using the illuminator of LED, also it is only used for illumination, work(
Can be single, so needing a kind of pocket lamp based on visible ray to realize the purpose of the function and communication for illuminating.
The content of the invention
The goal of the invention of the present invention is to overcome the shortcomings of art methods, there is provided a kind of point-to-point communication mode,
Sending and receiving adopt relatively small reception, launch angle, and manual coarse alignment is only needed when using, and are applied to indoor short distance
Radio communication, can reach the data communication rates of more than 10Mbps, and transmission range reaches 5 meters or so, substantially meet office,
The indoor LED visible light communication system of the data communication requirements of the indoor environments such as laboratory, family.
For achieving the above object, it is proposed that following technical scheme：
A kind of indoor short distance communication intelligence searchlighting system, including：
Central processing unit, field programmable gate array, power circuit, optical key module, signal modulation control device, LED
Lamp, intelligent searchlighting system, photo-detector, signal processing circuit；
The intelligent searchlighting system also include level sensor, temperature sensor, humidity collection sensor, audible-visual annunciator and
Display circuit, when the intelligent searchlighting system is started working according to control instruction, microcontroller is to the level sensor, temperature
Degree sensor, humidity collection sensor send execute instruction, the water yield data signal, room-temperature signal and room in acquisition depurator
Interior moisture signal, microprocessor is amplified, measures to the water yield data signal, room-temperature signal and indoor humidity signal,
A/D includes UV air depurator, and the antibacterial in air and harmful substance are killed using ultraviolet light, is that air is net
Change the execution unit of device；Sensor data acquisition module, for being acquired to external signal and process, including motion sensor
With chemical sensor；Power circuit block, to daily electric main blood pressure lowering is carried out, and is provided accordingly for air purifier all parts
Ground running voltage；AC Motor Control module, single-chip microcomputer drives optocoupler motor by controllable silicon, controls its conducting and rotating speed
Change, signal that single-chip microcomputer is provided according to sensor, manual key signal are carried out automatically and manually to the working condition of motor
Adjustment so that when air purifier operates under different mode of operations, motor in correspondence shelves rotating speed；Uviol lamp
Pipe control module, optocoupler is driven by controllable silicon by single-chip microcomputer, ultraviolet lamp tube is driven, and it is anti-according to the working condition of fluorescent tube
Feedback signal, judges fluorescent tube whether normal work；Infrared remote control module includes infrared transmitter and receiving circuit, arranges each and presses
The infrared waveform and sequential of button transmitting；The display control module and key control module are used for air purifier Working mould
The operation and display of formula；The Optical Receivers, refers to for receiving the LED communication signal of LED light group transmitting, and being converted to control
Order；Including UV air depurator, the antibacterial in air and harmful substance are killed using ultraviolet light, be purification of air
The execution unit of device；Sensor data acquisition module, for being acquired to external signal and process, including motion sensor with
Chemical sensor；Power circuit block, to daily electric main blood pressure lowering is carried out, and is provided correspondingly for air purifier all parts
Running voltage；AC Motor Control module, single-chip microcomputer drives optocoupler motor by controllable silicon, controls its conducting and rotating speed
Change, signal that single-chip microcomputer is provided according to sensor, manual key signal are carried out automatically and manually to the working condition of motor
Adjustment so that when air purifier operates under different mode of operations, rotating speed of the motor in correspondence shelves；Ultraviolet lamp tube
Control module, optocoupler is driven by controllable silicon by single-chip microcomputer, ultraviolet lamp tube is driven, and fed back according to the working condition of fluorescent tube
Signal, judges fluorescent tube whether normal work；Infrared remote control module includes infrared transmitter and receiving circuit, arranges each button
The infrared waveform and sequential of transmitting；The display control module and key control module are used for air purifier mode of operation
Operation and display；The Optical Receivers, refers to for receiving the LED communication signal of LED light group transmitting, and being converted to control
Order.
The central processing unit connection optical key module, signal modulation control device, LED lamps, intelligent searchlighting system, light
Detector, signal processing circuit；The signal modulation equipment is responsible for modulating the original signal of telecommunication of generation；The LED lamps are monochromatic
LED；The photo-detector is that visible light wave range responds preferable CCD electrooptical devices；The intelligent searchlighting system is
The optical lens of variable multiple；The signal processing circuit is adapted with photo-detector, for the process of video electrical signal, and
Determine shape, size and the average received power of light spot received；It is big between the searchlight and the intelligent searchlighting system
Gas channel, the light that light source sends is transmitted by atmospheric channel；The power circuit connects respectively central processing unit and scene
Programmable gate array circuit；It is provided with solar panel, mu balanced circuit, power-supply controller of electric and direct current in the power circuit to supply
Circuit；Intelligent mobile terminal is provided with the optical key module, based on intelligent mobile terminal operating system, design is based on void
The key for intending serial ports sends the software module of intelligent mobile terminal, and by the software module of intelligent mobile terminal key letter is sent out
Breath, key information is exported by the min-USB mouths of intelligent mobile terminal；The key information for being exported, based on intelligent mobile terminal
OTG functions, in external drive module loading to LED, the transmission of key information are completed by LED；
Intelligent mobile terminal is provided with the optical key module, based on intelligent mobile terminal operating system, design is based on virtual
The key of serial ports sends the software module of intelligent mobile terminal, and by the software module of intelligent mobile terminal key letter is sent out
Breath, key information is exported by the min-USB mouths of intelligent mobile terminal；The key information for being exported, based on intelligent mobile terminal
OTG functions, in external drive module loading to LED, the transmission of key information are completed by LED；It is described remote
Visible light communication system equipment mainly includes transmitting terminal and receiving terminal；Transmitting terminal can be using the modulation systems such as OOK, PPM, light source
The optical signal for modulating is launched with the rule of high speed, light and shade change, using high-power low beam divergence angle array LED conduct
Light source, because modulation rate is in 100 bit magnitudes, can coordinate C++ software programmings to carry out the soft of transmitting terminal using single-chip microcomputer
Hardware designs, realize the transmission of character string；Receiving terminal, using CCD as photo-detector, hardware device uses high frame frequency
More than 100fps, high sensitivity, high-responsivity CCD cameras；Camera is shot with frame frequency identical with light source, and is designed
Software carries out the collection and process of data to CCD cameras, and the rule of modulated signal is presented, and obtains corresponding gray value,
So as to complete the transmittance process of information, the reception of character string is realized；The charging socket is arranged at the side of door close；
Bridgt circuit：Connection USB interface of computer and light transmission circuit, will enter at line translation from computer usb data signal
The signal of suitable radiating circuit modulation is managed into, while the signal that receiving circuit is sent is changed being processed into usb data signal
Computer is given, the wireless duplex communication of two-forty is realized；Intelligent mobile terminal is provided with the optical key module, based on intelligence
Energy mobile terminal operating system, key of the design based on virtual serial port sends the software module of intelligent mobile terminal, by intelligence
The software module of mobile terminal sends out key information, and key information is exported by the min-USB mouths of intelligent mobile terminal；Institute is defeated
The key information for going out, based on intelligent mobile terminal OTG functions, in external drive module loading to LED, by LED come
Complete the transmission of key information；
Optical sender：The signal processed through usb circuit is carried out into coded modulation, modulated signal is again through putting
Modulated light source visible LED one by one is sent to after big so as to send the visible ray light pulse signal for being encoded signal of telecommunication modulation（This
Process is referred to as electro-optic conversion, i.e. E/O conversions）, most after Jing optical antennas be transmitted in atmospheric channel.
Photoreceiver：Photoelectric detector PIN is converged to the light pulse signal that transmitting terminal sends by optical antenna,
The optical signal of reception is converted into into the signal of telecommunication（This process is referred to as opto-electronic conversion, i.e. O/E conversions）, converted next faint electricity
Signal gives usb circuit after amplifying and demodulating.
The optical sender includes light source and driver and auxiliary circuit.The auxiliary circuit includes light detection device, nothing
Optical alarm circuit, automatic power control circuit (APC) and automatic temp. controlling circuit (ATC)；When using, the signal of telecommunication is input to drive
Dynamic device, the driver is connected with light source, and automatic temp. controlling circuit regulation and control light-source temperature, the light detection device is arranged on light source
In range of exposures, and be connected without optical alarm circuit, the light detection device be connected with an automatic power control circuit after with driving
Device constitutes feedback circuit.
Described field programmable gate array, inside includes configurable logic blocks CLB, input/output module IOB
With three parts of interconnector；FPGA utilizes small-sized look-up table（16×1RAM）To realize combination logic, each look-up table connection
To the input of a d type flip flop, trigger is thus constituted and was both capable of achieving again driving other logic circuits or drive I/O
Combination logic function is capable of achieving the basic logic unit module of sequential logic function again, and these intermodules are mutual using metal connecting line
It is coupled or attached to I/O modules；The logic of FPGA loads programming data to realize by internally static storage cell, deposits
Storage value in a memory cell determines coupling between the logic function and each module of logical block or between module and I/O
Mode, and the function achieved by FPGA is finally determined, FPGA allows unlimited number of programming.
To better implement the present invention, disclosure satisfy that illuminance not enough make solar energy be generated electricity or when night still
Satisfaction is powered to whole system；
When in use, unnecessary electric energy will be stored in accumulator battery, and there is solar illuminating not enough or rainy weather or
During night, accumulator battery will carry out releasing electricity, and be delivered in DC power-supply circuit by the output circuit of power-supply controller of electric, centering
Central processor and field programmable gate array are powered, and reaching 24 hours round-the-clock makes whole system work.
Key to be sent represents high level " 1 " for TTL level signals, i.e.+5V, and 0V represents low level " 0 "；It is described
LED drive module includes PNP types paster audion S8550 and its related peripheral device, for realizing the signal of telecommunication to optical signal
Conversion；The device of one one-to-many of optical key module；Optical key is designed based on single-chip microcomputer STC12C2052AD
A kind of transmitting terminal.
The light source works wave band is HONGGUANG 650nm, and compared with green glow and blue light, HONGGUANG is transmitted in atmospheric channel
When, fluorescence in background noise and there is certain advantage in the resistivity of ultraviolet.
Using the red light-emitting diode of 650nm in the transmitter circuitry（LED）As the light source of transmitter.For room
Interior portable radiotelephone optical transmission device, light source must is fulfilled for following basic requirement：Meet eye-safe requirement；Modulation speed
Rate meets design requirement（≥10Mb/s）；Long service life；Price is low, reduces cost.The LED drive circuit adopts differential electrical
Road.
The optical receiver circuit includes photodetector, amplifying circuit and signal processing circuit, for intensity modulated
Digital optical signal, when receiving terminal adopts direct detection mode, mainly by photoelectric detector, low noise preamplifier, main amplification
Device, agc circuit etc. constitute the linear passageway of photoreceiver, to complete optical electrical conversion, signal are amplified to needed for decision circuit
Signal level.
In optical communication system, the effect of receiver is to be changed into the signal of telecommunication optical signal is received.First by light electrical resistivity survey
Survey the channel transmission that device (can be PIN photodiode, or PAD avalanche photodides) sends optical sender
Faint optical signal afterwards is changed into the signal of telecommunication.The output signal electric current very little of photodetector, it is necessary to by low noise, broadband
Preamplifier be amplified.Photodetector and preamplifier constitute photoreceiver front-end, and its noiseproof feature will be determined
Determine the main because of family of receiving sensitivity.Main amplifier, equalizer and agc circuit carry out the amplification of high-gain to signal and to signal
Compensate, shaping, with improve signal to noise ratio, reduce the bit error rate, make output pulse be adapted to adjudicate requirement.
The low noise preamplifier is broadband, low-noise amplifier, because circuit operating rate is higher, preferably,
LNA adopts trans-impedance amplifier.
The beneficial effect of the invention：
The indoor LED visible light communication system of the present invention mainly includes USB bridgt circuits, optical sender and photoreceiver, hardware
Circuit is compact, easy to use, and service behaviour is good；Using the illuminator of LED, also only with communication；Awave design in addition
There is male and fomale(M＆F) in surface, and then realize the absorption to perspiration, and the design of memorizer then achieves a butt joint the storage of message in-coming part, and then
Consulted after being easy to, the fixation to lamp cylinder is then realized in the addition of hook, and then is easy to enter to exercise using lamp cylinder as illuminating lamp
With the addition of spacing ring is then easy to be fixed accumulator, and then reduces the time needed for installation personnel, finally improves
The work efficiency of installation personnel；
The microcontroller is to adopt single-chip microcomputer, and its CPU is made up of controller and arithmetical unit, is substantially carried out computing and instruction is known
Not.Memorizer is the erasable flash memories of 8K, and working power is+5V.There are the inverting amplifier of agitator, quartz-crystal inside it
Body and ceramic resonator collectively form self-excited oscillator.Pin is simple and reliable, powerful, easy to use, and with low work(
Consumption spare time and power-down mode.
Using methods and techniques such as artificial taste intelligent system, knowledge engineering, pattern recognition, artificial neural networks, carry out
Intelligent, integrated, concert rationality, design and the computer management system of new generation realized.WIFI is passed easily by electromagnetic interference
Defeated direction is uncontrollable, and password is easily trapped.But visible light communication is a kind of point-to-point transmission mode, with confidentiality
Good advantage.
Optical key and intelligent mobile terminal combine, and can be very good to develop mobile phone A AP light key with android system
Software, android system is, based on the operating system increased income of Linux, to be mainly used in mobile terminal（Mobile phone and
Flat board）In.Android system is compared with other system platforms, there is very big advantage.Its advantage is topmost to be embodied in it
Opening.Android system is the system increased income completely, and all of fan and manufacturer can participate in Android
The exploitation of system, this has just laid fine basis for the development of Android systems.Android systems have become
The big system of global installation amount first.Another big advantage of Android systems is namely based on the platform of Google, and Google is public
The service products such as map, search, the mailbox of department, can be seamless be applied in Andriod systems.
To better implement the present invention, disclosure satisfy that illuminance not enough make solar energy be generated electricity or when night still
Satisfaction is powered to whole system；
When in use, unnecessary electric energy will be stored in accumulator battery, and there is solar illuminating not enough or rainy weather or
During night, accumulator battery will carry out releasing electricity, and be delivered in DC power-supply circuit by the output circuit of power-supply controller of electric, centering
Central processor and field programmable gate array are powered, and reaching 24 hours round-the-clock makes whole system work.Long distance
From visible light communication system, OOK modulation systems are employed in transmitting terminal, OOK bandwidth demands are low, and hardware realizes letter the most
It is single, the method by direct detection is only needed to when decoding, determined by judging the presence or absence of light during the information for receiving 0 or
1；So that transmitting terminal cost is reasonable；In receiving terminal, using CCD as photo-detector, hardware device uses high frame frequency（100fps
More than）, high sensitivity, high-responsivity CCD cameras；Camera is shot with frame frequency identical with light source, and design software pair
CCD cameras carry out the collection and process of data, and the rule of modulated signal is presented, and corresponding gray value are obtained, so as to complete
Into the transmittance process of information, the reception of character string is realized.CCD is selected as photo-detector, its sensitivity and responsiveness are than passing
The PIN photodiodes of system are much higher.In contrast to conventional photodiode, the position of light source can be made using CCD cameras
Can clearly indicate out in the picture, so, as long as can interpolate that out the position of signal, multiple light can be used in the future
Source, within the ability to accept of receiving terminal, increases exponentially transfer rate.And CCD can also be as photo-detector simultaneously
In the middle of APT communication systems.
Support hot plug on computers, fully demonstrated USB interface device use rapid and convenient the characteristics of.Driving
Under the support of program, point-to-point double-direction radio optic communication is realized between computer, traffic rate can reach 11Mbps, realize
USB interface-based visible ray between computer（HONGGUANG）Wireless point-to-point communication.The system is mainly applied to indoor short distance
From horizon range in, using 650nm as operation wavelength, the visible light wave range in short wavelength can be with mesh in installation and debugging
Depending on alignment, the expensive telescope of infrared band value is eliminated to Barebone；And the optical device price of visible light wave range is only
The tens of 850/1550nm devices even more than one percent, greatly reduces system cost.LED light source driving circuit is used
Difference channel；, due to the effect of constant-current source, even if there is high current drift, this kind of circuit is it is also ensured that relatively steady for difference channel
Fixed supply current, so as to ensure the job stability of circuit；Even if high voltage voltage drift phenomenon occurs when exporting, as long as letter
Number balance is remained in that, the cross interference that this circuit causes is also relatively small；For the prime that there is easy generation parasitism
In the case of circuit, in view of the circuit common-mode gain is relatively low, so it introduces the probability very little of unwanted oscillation to prime.
Description of the drawings
Fig. 1 is system architecture diagram；
Fig. 2 is optical transmitter circuit block diagram；
Fig. 3 is LED light source driving circuit；
Fig. 4 is that light receives machine circuit block diagram；
Fig. 5 is trans-impedance amplifier circuit diagram.
Specific embodiment
It is further described in detail to the 11 of the present invention below in conjunction with the accompanying drawings：
1st, as shown in figure 1, including：
Central processing unit, field programmable gate array, power circuit, optical key module, signal modulation control device, LED
Lamp, intelligent searchlighting system, photo-detector, signal processing circuit；The intelligent searchlighting system includes that microcontroller, depurator are switched
And Optical Receivers, the Optical Receivers receives LED communication signal from LED light group, to the LED communication signal processing
After obtain control instruction, and the control instruction is transported to into microcontroller；The intelligent searchlighting system, including intelligent searchlighting system
System profile portion and visible ray communication structure, the intelligent searchlighting system profile portion by dust-proof lampshade, anti-slip veins, hook,
Lamp cylinder, lamp holder and switch composition, the lamp cylinder is cylindrical structural, and the left end end face of the lamp cylinder is provided with lamp holder, described
Dust-proof lampshade is installed, the axis of the lamp holder is perpendicular with dust-proof lampshade place plane on lamp holder, installs on the lamp cylinder
The right-hand member for having switch, the switch is provided with protection stricture of vagina, and the anti-slip veins are arranged around the side of lamp cylinder, the lamp cylinder
It is fixed with hook in its right end face, it is circular loop configuration that the hook is cross section, the visible ray communication structure is by touching
Touch display screen, LED, connecting line, accumulator, control box, spacing ring, installing plate, USB interface, photoelectric detector, memorizer with
And visible-light treatment chip composition, the touch display screen is arranged on lamp cylinder and is specifically fitted in the outer surface of lamp cylinder carries out cloth
Put, the USB interface is located in its right end face of lamp cylinder, the LED, connecting line, accumulator, control box, spacing ring, installation
Plate, photoelectric detector, memorizer and visible-light treatment chip are located at the inside of lamp cylinder, and the accumulator is located inside lamp cylinder
Centre position, the accumulator is fixed by spacing ring, and the spacing ring is around the accumulator circulus of a week, institute
Installing plate is stated positioned at the leftward position of accumulator and specifically the axis perpendicular to lamp cylinder is arranged, installed on the installing plate
There are LED and photoelectric detector, the control box is fixed on the right end position inside lamp cylinder, the memorizer and visible ray
Process chip is located at the inside of control box, and the LED is led to by connecting line and the two-way electric connection of memorizer, the memorizer
Connecting line and the two-way electric connection of touch display screen are crossed, the memorizer is two-way electrically by connecting line and visible-light treatment chip
Connection, the visible-light treatment chip is by connecting line and the two-way electric connection of photoelectric detector, the visible-light treatment chip
Unidirectionally it is electrically connected with LED by connecting line, the switch is unidirectionally electrically connected with LED；
The central processing unit connection optical key module, signal modulation control device, LED lamps, intelligent searchlighting system, optical detection
Device, signal processing circuit；The signal modulation equipment is responsible for modulating the original signal of telecommunication of generation；The LED lamps are monochromatic
LED；The photo-detector is that visible light wave range responds preferable CCD electrooptical devices；The intelligent searchlighting system is variable
The optical lens of multiple；The signal processing circuit is adapted with photo-detector, for the process of video electrical signal, and determines
The shape of light spot received, size and average received power；It is air letter between the searchlight and the intelligent searchlighting system
Road, the light that light source sends is transmitted by atmospheric channel；The power circuit connects respectively central processing unit and scene can be compiled
Journey gate-array circuit；Solar panel, mu balanced circuit, power-supply controller of electric and direct current supply electricity is provided with the power circuit
Road；Intelligent mobile terminal is provided with the optical key module, based on intelligent mobile terminal operating system, design is based on virtual string
The key of mouth sends the software module of intelligent mobile terminal, and by the software module of intelligent mobile terminal key information is sent out,
Key information is exported by the min-USB mouths of intelligent mobile terminal；The key information for being exported, based on intelligent mobile terminal OTG
Function, in external drive module loading to LED, the transmission of key information is completed by LED；
Key information is sent out by the software module of intelligent mobile terminal, key information by intelligent mobile terminal min-USB
Mouth output；The key information for being exported, based on intelligent mobile terminal OTG functions, through external drive module loading to LED
On, the transmission of key information is completed by LED；The remote visible light communication system equipment mainly includes transmitting terminal and connects
Receiving end；Transmitting terminal can be using modulation systems such as OOK, PPM, and light source is by the optical signal for modulating with high speed, the rule of light and shade change
Launched, using high-power low beam divergence angle array LED as light source, because modulation rate is in 100 bit magnitudes, can be with
Coordinate C++ software programmings to carry out the design of hardware and software of transmitting terminal using single-chip microcomputer, realize the transmission of character string；Receiving terminal, adopts
CCD uses high more than frame frequency 100fps, high sensitivity, high-responsivity CCD cameras as photo-detector, hardware device；Phase
Machine is shot with frame frequency identical with light source, and design software carries out the collection and process of data to CCD cameras, will modulate
The rule of signal is presented, and obtains corresponding gray value, so as to complete the transmittance process of information, realizes the reception of character string；
The charging socket is arranged at the side of door close；
Bridgt circuit：Connection USB interface of computer and light transmission circuit, will enter at line translation from computer usb data signal
The signal of suitable radiating circuit modulation is managed into, while the signal that receiving circuit is sent is changed being processed into usb data signal
Computer is given, the wireless duplex communication of two-forty is realized.
Optical sender：The signal processed through usb circuit is carried out into coded modulation, modulated signal Jing again
Cross after amplification and send to modulated light source visible LED one by one so as to send the visible ray light pulse signal for being encoded signal of telecommunication modulation
（This process is referred to as electro-optic conversion, i.e. E/O conversions）, most after Jing optical antennas be transmitted in atmospheric channel.
Photoreceiver：Photoelectric detector PIN is converged to the light pulse signal that transmitting terminal sends by optical antenna,
The optical signal of reception is converted into into the signal of telecommunication（This process is referred to as opto-electronic conversion, i.e. O/E conversions）, converted next faint electricity
Signal gives usb circuit after amplifying and demodulating.
Described field programmable gate array, inside includes configurable logic blocks CLB, input/output module IOB
With three parts of interconnector；FPGA utilizes small-sized look-up table（16×1RAM）To realize combination logic, each look-up table connection
To the input of a d type flip flop, trigger is thus constituted and was both capable of achieving again driving other logic circuits or drive I/O
Combination logic function is capable of achieving the basic logic unit module of sequential logic function again, and these intermodules are mutual using metal connecting line
It is coupled or attached to I/O modules；The logic of FPGA loads programming data to realize by internally static storage cell, deposits
Storage value in a memory cell determines coupling between the logic function and each module of logical block or between module and I/O
Mode, and the function achieved by FPGA is finally determined, FPGA allows unlimited number of programming.
To better implement the present invention, disclosure satisfy that illuminance not enough make solar energy be generated electricity or when night still
Satisfaction is powered to whole system.
Key to be sent represents high level " 1 " for TTL level signals, i.e.+5V, and 0V represents low level " 0 "；It is described
LED drive module includes PNP types paster audion S8550 and its related peripheral device, for realizing the signal of telecommunication to optical signal
Conversion；The device of one one-to-many of optical key module；Optical key is designed based on single-chip microcomputer STC12C2052AD
A kind of transmitting terminal.
When in use, unnecessary electric energy will be stored in accumulator battery, and it is inadequate or overcast and rainy solar illuminating occur
When gas or night, accumulator battery will carry out releasing electricity, and be delivered in DC power-supply circuit by the output circuit of power-supply controller of electric,
Central processing unit and field programmable gate array are powered, reaching 24 hours round-the-clock makes whole system work.
The microcontroller is to adopt single-chip microcomputer, and its CPU is made up of controller and arithmetical unit, is substantially carried out computing and refers to
Order identification.Memorizer is the erasable flash memories of 8K, and working power is+5V.There are the inverting amplifier of agitator, stone inside it
English crystal and ceramic resonator collectively form self-excited oscillator.Pin is simple and reliable, powerful, easy to use, and has
Low power idle and power-down mode.
The temperature sensor is DS18B20 sensors, and DS18B20 sensors have a line interface, using simple side
Just, directly powered using data/address bus without the need for outer member in actual use, measurement temperature scope is larger.Therefore, make
Wider with scope, purposes is larger.
As shown in Fig. 2 the optical sender includes light source and driver and auxiliary circuit.The auxiliary circuit includes light
Monitor, without optical alarm circuit, automatic power control circuit (APC) and automatic temp. controlling circuit (ATC)；When using, telecommunications
Number driver is input to, the driver is connected with light source, automatic temp. controlling circuit regulation and control light-source temperature, the light detection device
Be arranged in light source range of exposures, and be connected without optical alarm circuit, the light detection device and an automatic power control circuit connect
Connect rear and driver and constitute feedback circuit.
Preferably, the light source works wave band is HONGGUANG 650nm, and compared with green glow and blue light, HONGGUANG is in atmospheric channel
During middle transmission, fluorescence in background noise and there is certain advantage in the resistivity of ultraviolet.
Preferably, using the red light-emitting diode of 650nm in the transmitter circuitry（LED）As the light of transmitter
Source.For indoor portable radiotelephone optical transmission device, light source must is fulfilled for following basic requirement：Meeting eye-safe will
Ask；Modulation rate meets design requirement（≥10Mb/s）；Long service life；Price is low, reduces cost.As shown in figure 3, described
LED drive circuit adopts difference channel.
As shown in figure 4, the optical receiver circuit includes photodetector, amplifying circuit and signal processing circuit, for
The digital optical signal of intensity modulated, when receiving terminal adopts direct detection mode, is mainly put by before photoelectric detector, low noise
Big device, main amplifier, agc circuit etc. constitute the linear passageway of photoreceiver, to complete optical electrical conversion, signal is amplified to and is sentenced
The certainly signal level needed for circuit.
In optical communication system, the effect of receiver is to be changed into the signal of telecommunication optical signal is received.First by light electrical resistivity survey
Survey the channel transmission that device (can be PIN photodiode, or PAD avalanche photodides) sends optical sender
Faint optical signal afterwards is changed into the signal of telecommunication.The output signal electric current very little of photodetector, it is necessary to by low noise, broadband
Preamplifier be amplified.Photodetector and preamplifier constitute photoreceiver front-end, and its noiseproof feature will be determined
Determine the main because of family of receiving sensitivity.Main amplifier, equalizer and agc circuit carry out the amplification of high-gain to signal and to signal
Compensate, shaping, with improve signal to noise ratio, reduce the bit error rate, make output pulse be adapted to adjudicate requirement.
The low noise preamplifier is broadband, low-noise amplifier, because circuit operating rate is higher, preferably,
LNA adopts trans-impedance amplifier.
As shown in figure 5, wherein, Iin is the photogenerated current of photodetector, and Ay is ideal amplifier.Negative feedback therein
Network Rf detects output end voltage and feeds back to input in the form of electric current.On the one hand the amplifier of this form ensures
It has less input impedance, absorbs such that it is able to amplitude peak the photoelectric current of photodetector generation；On the other hand,
With good load-carrying ability.It is that a kind of feedback resistance Rf that passes through provides degenerative high increasing to amplifier in
Beneficial high-impedance amplifier, substantially one current-voltage converter, noise is low, bandwidth and dynamic range are big.
Claims (7)
1. a kind of indoor short distance communication intelligence searchlighting system, it is characterised in that include：
Central processing unit, field programmable gate array, power circuit, optical key module, signal modulation control device, LED
Lamp, intelligent searchlighting system, photo-detector, signal processing circuit；The intelligent searchlighting system includes that microcontroller, depurator are switched
And Optical Receivers, the Optical Receivers receives LED communication signal from LED light group, to the LED communication signal processing
After obtain control instruction, and the control instruction is transported to into microcontroller, the microcontroller is given birth to according to the control instruction
Into the execute instruction of depurator switch, the depurator switch is electromagnetic relay；
The intelligent searchlighting system, including intelligent searchlighting system profile portion and visible ray communication structure, the intelligent searchlighting
System profile portion is made up of dust-proof lampshade, anti-slip veins, hook, lamp cylinder, lamp holder and switch, and the lamp cylinder is cylinder knot
Structure, the left end end face of the lamp cylinder is provided with lamp holder, is provided with dust-proof lampshade on the lamp holder, the axis of the lamp holder with it is anti-
Dirt lampshade place plane is perpendicular, and switch is provided with the lamp cylinder, and the right-hand member of the switch is provided with protection stricture of vagina, described anti-skidding
Stricture of vagina is arranged around the side of lamp cylinder, and hook is fixed with its right end face of the lamp cylinder, and the hook is that cross section is circle
The loop configuration of shape, the visible ray communication structure is by touch display screen, LED, connecting line, accumulator, control box, spacing
Ring, installing plate, USB interface, photoelectric detector, memorizer and visible-light treatment chip composition, the touch display screen is installed
The outer surface for being fitted on lamp cylinder and specifically lamp cylinder is arranged, and the USB interface is located in its right end face of lamp cylinder, described
LED, connecting line, accumulator, control box, spacing ring, installing plate, photoelectric detector, memorizer and visible-light treatment chip
Positioned at the inside of lamp cylinder, the accumulator is located at the centre position inside lamp cylinder, and the accumulator is fixed by spacing ring,
The spacing ring is that, around the accumulator circulus of a week, the installing plate is located at the leftward position of accumulator and concrete vertical
It is arranged in the axis of lamp cylinder, LED and photoelectric detector is installed on the installing plate, the control box is fixed on
Right end position inside lamp cylinder, the memorizer and visible-light treatment chip are located at the inside of control box, and the LED passes through
Connecting line and the two-way electric connection of memorizer, the memorizer is described by connecting line and the two-way electric connection of touch display screen
, by connecting line and the two-way electric connection of visible-light treatment chip, the visible-light treatment chip is by connecting line and light for memorizer
The two-way electric connection of photodetector, the visible-light treatment chip is unidirectionally electrically connected with by connecting line with LED, the switch
Unidirectionally it is electrically connected with LED；
The central processing unit connection optical key module, signal modulation control device, LED lamps, intelligent searchlighting system, optical detection
Device, signal processing circuit；The signal modulation equipment is responsible for modulating the original signal of telecommunication of generation；The LED lamps are monochromatic
LED；The photo-detector is that visible light wave range responds preferable CCD electrooptical devices；The intelligent searchlighting system is variable
The optical lens of multiple；The signal processing circuit is adapted with photo-detector, for the process of video electrical signal, and determines
The shape of light spot received, size and average received power；It is air letter between the searchlight and the intelligent searchlighting system
Road, the light that light source sends is transmitted by atmospheric channel；The power circuit connects respectively central processing unit and scene can be compiled
Journey gate-array circuit；Solar panel, mu balanced circuit, power-supply controller of electric and direct current supply electricity is provided with the power circuit
Road；Intelligent mobile terminal is provided with the optical key module, based on intelligent mobile terminal operating system, design is based on virtual string
The key of mouth sends the software module of intelligent mobile terminal, and by the software module of intelligent mobile terminal key information is sent out,
Key information is exported by the min-USB mouths of intelligent mobile terminal；The key information for being exported, based on intelligent mobile terminal OTG
Function, in external drive module loading to LED, the transmission of key information is completed by LED；
Bridgt circuit, for connecting USB interface of computer and light transmission circuit, will be become from computer usb data signal
The signal for being processed into suitable radiating circuit modulation is changed, while the signal that receiving circuit is sent is changed being processed into usb data
Signal gives computer；
Optical sender, the signal for will process through usb circuit carries out coded modulation, and modulated signal is passed through again
Modulated light source is sent to after amplification so as to send be encoded the signal of telecommunication modulation visible ray light pulse signal, most after Jing optical antennas
In being transmitted into atmospheric channel；
Photoreceiver, photoelectric detector PIN is converged to by optical antenna the light pulse signal that transmitting terminal sends, and will be connect
The optical signal of receipts is converted into the signal of telecommunication, and converted next ultra-weak electronic signal gives usb circuit after amplifying and demodulating；
The optical sender includes light source and driver and auxiliary circuit；The auxiliary circuit includes light detection device, unglazed report
Alert circuit, automatic power control circuit and automatic temp. controlling circuit；When using, the signal of telecommunication is input to driver, the driving
Device is connected with light source, and automatic temp. controlling circuit regulation and control light-source temperature, the light detection device is arranged in light source range of exposures, and
Be connected without optical alarm circuit, the light detection device be connected with an automatic power control circuit after with driver constitute feedback electricity
Road；
The optical receiver circuit includes photodetector, amplifying circuit and signal processing circuit, the signal processing circuit bag
Include low noise preamplifier, main amplifier, equalizer, agc circuit；When using, the digital optical signal of the Jing intensity modulateds, light
Photodetector receives optical signal in receiving terminal using direct detection mode, and low noise preamplifier, main amplifier, equalizer are constituted
The linear passageway of photoreceiver, between agc circuit connection main amplifier and equalizer, completes optical electrical conversion, optical signal amplification
Signal level to needed for judgement regenerative circuit.
2. a kind of indoor short distance communication intelligence searchlighting system according to claim 1, it is characterised in that described remote
Visible light communication system equipment mainly includes transmitting terminal and receiving terminal；Transmitting terminal can be using the modulation systems such as OOK, PPM, light source
The optical signal for modulating is launched with the rule of high speed, light and shade change, using high-power low beam divergence angle array LED conduct
Light source, because modulation rate is in 100 bit magnitudes, can coordinate C++ software programmings to carry out the soft of transmitting terminal using single-chip microcomputer
Hardware designs, realize the transmission of character string；Receiving terminal, using CCD as photo-detector, hardware device uses high frame frequency
More than 100fps, high sensitivity, high-responsivity CCD cameras；Camera is shot with frame frequency identical with light source, and is designed
Software carries out the collection and process of data to CCD cameras, and the rule of modulated signal is presented, and obtains corresponding gray value,
So as to complete the transmittance process of information, the reception of character string is realized；The charging socket is arranged at the side of door close；Described
Field programmable gate array, inside includes configurable logic blocks CLB, input/output module IOB and interconnector three
Part；FPGA utilizes small-sized look-up table（16×1RAM）To realize combination logic, each look-up table is connected to d type flip flop
Input, trigger is thus constituted and be not only capable of achieving combination logic function but also can again driving other logic circuits or drive I/O
The basic logic unit module of sequential logic function is realized, these intermodules interconnect or be connected to I/O using metal connecting line
Module；The logic of FPGA loads programming data to realize by internally static storage cell, is stored in memory cell
In value determine connecting mode between the logic function and each module of logical block or between module and I/O, and finally determine
The function achieved by FPGA is determined, FPGA allows unlimited number of programming.
3. a kind of indoor short distance communication intelligence searchlighting system according to claim 1, it is characterised in that the light source work
Make wave band for HONGGUANG 650nm；Key to be sent represents high level " 1 " for TTL level signals, i.e.+5V, and 0V represents low level
“0”；The LED drive module includes PNP types paster audion S8550 and its related peripheral device, for realizing the signal of telecommunication
To the conversion of optical signal；The device of one one-to-many of optical key module；Optical key is based on single-chip microcomputer STC12C2052AD
A kind of transmitting terminal of design.
4. a kind of indoor short distance communication intelligence searchlighting system according to claim 3, it is characterised in that the transmitter
Using the red light-emitting diode of 650nm in circuit（LED）As the light source of transmitter.
5. a kind of indoor short distance communication intelligence searchlighting system according to claim 4, it is characterised in that the LED drives
Galvanic electricity road adopts difference channel.
6. a kind of indoor short distance communication intelligence searchlighting system according to claim 1, it is characterised in that before the low noise
Amplifier is put for broadband, low-noise amplifier.
7. a kind of indoor short distance communication intelligence searchlighting system according to claim 6, it is characterised in that
The low noise preamplifier is trans-impedance amplifier.
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| CN201610553441.3A CN106686799A (en) | 2016-07-14 | 2016-07-14 | Smart searchlighting system for indoor short-range communication |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610553441.3A CN106686799A (en) | 2016-07-14 | 2016-07-14 | Smart searchlighting system for indoor short-range communication |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110047158A (en) * | 2019-03-26 | 2019-07-23 | 西安理工大学 | A kind of safe payment method of the reflective two-way communication of car light |
| CN111953417A (en) * | 2020-07-24 | 2020-11-17 | 西安理工大学 | Indoor visible light communication automatic alignment system and method |
| CN113890611A (en) * | 2021-10-12 | 2022-01-04 | 中国人民解放军战略支援部队信息工程大学 | Communication device and method based on natural light |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105634604A (en) * | 2016-03-21 | 2016-06-01 | 文成县刀锋科技有限公司 | Long-distance photon LIFI energy-saving communication system |
| CN105634602A (en) * | 2016-03-10 | 2016-06-01 | 文成县刀锋科技有限公司 | Remote visible light communication system |
| CN105634603A (en) * | 2016-03-21 | 2016-06-01 | 文成县刀锋科技有限公司 | Household LIFI photon communication energy-saving system |
| CN105650510A (en) * | 2016-03-20 | 2016-06-08 | 文成县刀锋科技有限公司 | Visible-light-based flashlight |
-
2016
- 2016-07-14 CN CN201610553441.3A patent/CN106686799A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105634602A (en) * | 2016-03-10 | 2016-06-01 | 文成县刀锋科技有限公司 | Remote visible light communication system |
| CN105650510A (en) * | 2016-03-20 | 2016-06-08 | 文成县刀锋科技有限公司 | Visible-light-based flashlight |
| CN105634604A (en) * | 2016-03-21 | 2016-06-01 | 文成县刀锋科技有限公司 | Long-distance photon LIFI energy-saving communication system |
| CN105634603A (en) * | 2016-03-21 | 2016-06-01 | 文成县刀锋科技有限公司 | Household LIFI photon communication energy-saving system |
Non-Patent Citations (1)
| Title |
|---|
| 吴波: "基于可见光通信的无线门禁系统设计与实现", 《中国优秀硕士学位论文全文数据库 工程科技II辑》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110047158A (en) * | 2019-03-26 | 2019-07-23 | 西安理工大学 | A kind of safe payment method of the reflective two-way communication of car light |
| CN111953417A (en) * | 2020-07-24 | 2020-11-17 | 西安理工大学 | Indoor visible light communication automatic alignment system and method |
| CN113890611A (en) * | 2021-10-12 | 2022-01-04 | 中国人民解放军战略支援部队信息工程大学 | Communication device and method based on natural light |
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