CN106151917A - A kind of photovoltaic energy-conservation intelligent communication flashlight - Google Patents
A kind of photovoltaic energy-conservation intelligent communication flashlight Download PDFInfo
- Publication number
- CN106151917A CN106151917A CN201610548727.2A CN201610548727A CN106151917A CN 106151917 A CN106151917 A CN 106151917A CN 201610548727 A CN201610548727 A CN 201610548727A CN 106151917 A CN106151917 A CN 106151917A
- Authority
- CN
- China
- Prior art keywords
- led
- light
- circuit
- signal
- flashlight
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
- F21L4/00—Electric lighting devices with self-contained electric batteries or cells
- F21L4/08—Electric lighting devices with self-contained electric batteries or cells characterised by means for in situ recharging of the batteries or cells
-
- 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
-
- 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
Abstract
The invention discloses a kind of photovoltaic energy-conservation intelligent communication flashlight, including reception antenna, signal processing circuit, power circuit, white light LEDs；Described Intelligent flashlight is single-chip microcomputer, is used for controlling collection and the compressed encoding that described audio coder-decoder carries out speech data, and by serial ports, collection data are sent to LED drive circuit, and described LED drive circuit sends make-and-break signal according to instruction；The described PD photosensitive tube of Photoelectric Detection module control receives optical signal and is transported to described Intelligent flashlight, and the data of reception are sent to described audio coder-decoder and are decoded output by described Intelligent flashlight.This system implementation complexity and low cost, communication distance far, can take into account illumination and real-time voice intercommunication, and simultaneity factor can also transmit other data in addition to voice.
Description
Technical field
The present invention relates to technical field of photo communication, especially a kind of photovoltaic energy-conservation intelligent communication flashlight.
Background technology
Solar energy (solar energy), refers to the infrared radiant energy (seeing three kinds of modes that heat energy is propagated) of the sun, mainly
Performance is exactly the sunray often said.It is typically used as generating in the modern times or provide the energy for water heater.From life on earth birth
Since life, just mainly survive with the infrared radiant energy that the sun provides, and also understood from ancient human with sun dry part, and as system
Make the method for food, such as salt manufacturing and solarization cured fish etc..In the case that fossil fuel reduces increasingly, solar energy has become the mankind and has used
The important component part of the energy, and be constantly developed.The utilization of solar energy has photothermal deformation and opto-electronic conversion two ways, too
It is a kind of emerging regenerative resource that sun can generate electricity.Sensu lato solar energy also includes tellurian wind energy, chemical energy, water energy
Deng.
Solar energy is discharged huge nuclear energy and produced by solar interior hydrogen atom generation hydrogen helium fusion, 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.Coal, oil, natural gas etc. are changed
Stone fuel is also to be developed, through very long geological epoch, the primary energy being formed by the animals and plants being embedded in underground ancient times.The earth itself
The energy contained is often referred to the energy relevant with the heat energy of earth interior and the energy relevant with nuclear reaction.
In the middle of existing wireless technology, remove based on electromagnetic transmission information conventional radio frequency communicate outside, also have based on
The radio communication of light, wherein, has the communication technology based on infrared laser etc., also has the wireless communication technology based on visible ray.Can
See optical communication technique, be that the naked eyes imperceptible high speed light and shade flash signal utilizing luminous diode to send is to transmit information
's.It is loaded into the data needing transmission on optical carrier, and is modulated, then utilize electrooptical device to receive light and carry
Ripple signal simultaneously demodulates to obtain information.Visible light communication system can cover the scope that light can reach, it is not necessary to electric wire is even
Connect.Optical communication technique has great development prospect, will provide a kind of brand-new high-speed data access way for optic communication.Existing
In technology, it is achieved communication is necessarily also intended to depend on communication network, if being deep in the mountains whilst on tour, wireless communication network signal ratio
More weak, or there is no communication network signal, nothing between donkey friend (the donkey friend such as, falling single or lost and team) apart from each other
Method is got in touch by communication network.Carried out the transmission of information by communication network, be that the life of people brings conveniently, but
It is that its application there is also limitation.And, utilizing communication network to carry out communication needs the operator to communication network to pay expense
With.Particularly, utilize communication network to communicate in short range, add the cost of communication.Meanwhile, LED is used at present
Lighting device, also be only used for illumination, function singleness, thus need a kind of flashlight based on visible ray realize illumination work(
Energy and the purpose of communication.
Content of the invention
The goal of the invention of the present invention is, overcomes the deficiency of art methods, provides a kind of implementation complexity and cost
Low, communication distance is remote, can take into account the system of illumination and real-time voice intercommunication, and simultaneity factor can also be transmitted in addition to voice
Other data.
For achieving the above object, it is proposed that following technical scheme:
A kind of photovoltaic energy-conservation intelligent communication flashlight, including；Central processing unit, field programmable gate array, Photoelectric Detection
Circuit, light-dependent control lock module, optical key module, reception antenna, signal processing circuit, power circuit, white light LEDs, transmission of visible light
Link, Intelligent flashlight, audio coder-decoder, audio frequency input/output terminal, power circuit；
Described signal modulating equipment is responsible for modulation and is generated the original signal of telecommunication；Described LED lamp is monochromatic LED；Described light is visited
Surveying device is the preferable CCD electrooptical device of visible light wave range response；Described reception antenna is the optical lens of variable multiple；
Described signal processing circuit and photo-detector adapt, for the process of video electrical signal, and determine light spot received shape,
Size and average received power；Being atmospheric channel between described searchlight and described reception antenna, the light that light source sends passes through
Atmospheric channel is transmitted；Described flashlight, including flashlight profile portion and visible ray communication structure, outside described flashlight
Shape part is made up of dust-proof lampshade, anti-slip veins, hook, lamp cylinder, lamp holder and switch, and described lamp cylinder is cylindrical structural, described
The left end end face of lamp cylinder is provided with lamp holder, and described lamp holder is provided with dust-proof lampshade, the axis of described lamp holder and dust-proof lampshade
Place plane is perpendicular, and described lamp cylinder is provided with switch, and the right-hand member of described switch is provided with protection line, described anti-slip veins cincture
The side of lamp cylinder is arranged, and its right end face of described lamp cylinder is fixed with hook, and described hook is the ring that cross section is circle
Shape structure, described visible ray communication structure is by touching display screen, LED, connecting line, battery, control box, spacing ring, installation
Plate, USB interface, photoelectric detector, memory and visible-light treatment chip composition, described touch display screen is arranged on lamp cylinder
And the outer surface being specifically fitted in lamp cylinder is arranged, described USB interface is positioned in its right end face of lamp cylinder, described LED, company
Wiring, battery, control box, spacing ring, installing plate, photoelectric detector, memory and visible-light treatment chip are positioned at lamp cylinder
Inside, described battery is positioned at the centre position within lamp cylinder, and described battery is fixed by spacing ring, described spacing
Ring is for around the battery circulus of a week, and described installing plate is positioned at the leftward position of battery and is specifically perpendicular to lamp cylinder
Axis is arranged, and described installing plate is provided with LED and photoelectric detector, and described control box is fixed on inside lamp cylinder
Right end position, described memory and visible-light treatment chip be positioned at control box inside, described LED by connecting line with
The two-way electric connection of memory, described memory is led to the touch two-way electric connection of display screen, described memory by connecting line
Crossing connecting line and the two-way electric connection of visible-light treatment chip, described visible-light treatment chip passes through connecting line and photoelectric detector
Two-way electric connection, described visible-light treatment chip is by connecting line and the unidirectional electric connection of LED, described switch and LED
Unidirectional electric connection；
Described remote visible light communication system equipment mainly includes transmitting terminal and receiving terminal；Transmitting terminal can use OOK, PPM etc.
Modulation system, the optical signal modulating is launched with the rule of high speed, light and shade change, is used high-power low beam divergence angle by light source
Array LED is as light source, owing to modulation rate is in 100 bit magnitudes, single-chip microcomputer can be used to coordinate C++ software programming to enter
The design of hardware and software of row transmitting terminal, it is achieved the transmission of character string；Receiving terminal, uses CCD to make as photo-detector, hardware device
With high more than frame frequency 100fps, high sensitivity, high-responsivity CCD camera；Camera shoots with frame frequency identical with light source,
And design software carries out collection and the process of data to CCD camera, presents the rule of modulated signal, obtain corresponding
Gray value, thus complete the transmittance process of information, it is achieved the reception of character string；Described charging socket is arranged at the side of door close
End；
It is provided with solar panel, mu balanced circuit, power-supply controller of electric and DC power-supply circuit in stating power circuit；In described hand
Central processor connects optical key module；It is provided with intelligent mobile terminal, based on intelligent mobile terminal behaviour in described optical key module
Making system, design sends the software module of intelligent mobile terminal based on the key of virtual serial port, soft by intelligent mobile terminal
Part module sends out key information, and key information is exported by the min-USB mouth of intelligent mobile terminal；The key letter being exported
Breath, based on intelligent mobile terminal OTG function, in external drive module loading to LED, completes key letter by LED
The transmission of breath；Described transmission of visible light link includes LED drive circuit, LED, lens, PD photosensitive tube and Photoelectric Detection module；
Described Intelligent flashlight is single-chip microcomputer, carries out collection and the compression volume of speech data for controlling described audio coder-decoder
Code, and collection data are sent to LED drive circuit by serial ports, described LED drive circuit sends break-make letter according to instruction
Number；The described PD photosensitive tube of Photoelectric Detection module control receives optical signal and is transported to described Intelligent flashlight, described Intelligent flashlight
The data of reception are sent to described audio coder-decoder and are decoded output by cylinder.
Alternatively, the described uplink downlink based on the purification audio communication system of optic communication all uses the common white light of 1W
LED, uses on-off keying-nonreturn to zero code (OOK-NRZ) modulation system.
Sent key is TTL level signal, i.e.+5V represents high level " 1 ", and 0V represents low level " 0 "；Based on
TTL signal level feature, selects low cost, small size PNP type paster triode S8550 and related peripheral device, structure
Become LED drive circuit；Optical key is a kind of transmitting terminal based on single-chip microcomputer STC12C2052AD design；Optical key can be sent out
Sending different keys, described optical key module is not a simple man-to-man device, but the device of an one-to-many.
In described LED drive circuit, the voice data from single-chip microcomputer is amplified and converted to electricity by mutual conductance amplifying circuit
Stream signal, is loaded in LED after Bias-T superposition direct current.The angle of divergence of LED is generally large, in LED front end
Add apart from adjustable collimation lens, the dispersion angle of light regulating, in order to for illumination and the communication of different distance.
Described PD photosensitive tube be receiving area be 5mm × 5mm, PD photosensitive tube.The light of the bigger reception of PD photosensitive tube area
Power is bigger, but responsive bandwidth can be less.PD photosensitive tube front end adds the bigger aspheric collimation lens of area and increases reception light work(
Rate.PD photosensitive tube converts optical signals into current signal output, and current visible ray PD photosensitive tube response sensitivity peak value is most
At red spectral band, described PD photosensitive tube sensitivity at LED light spectrum peak 450nm less than 0.3A W.When communication distance farther out
When, the luminous power that PD photosensitive tube receives is less, and the current signal therefore exporting is very little, typically only several × 10mA.
In order to carry out follow-up data process, need to be amplified the electric current of PD photosensitive tube output.
In described Photoelectric Detection module, current signal is converted into voltage signal by the low noise trans-impedance amplifier of the 1st grade, then
After the 2nd step voltage amplifier, voltage amplitude can reach 2～3V, exports the TTL signal of 3.3V after voltage comparator,
It is input to single-chip microcomputer to process.
Described audio coder-decoder is the little WM8960 audio codec of a low-power consumption, high-fidelity and volume, its collection
Become microphone, earphone interface and amplifier, therefore greatly reduce quantity and the circuit volume of external circuit components and parts.Mike
The analog audio data of wind input carries out audio coding after sampling through the ADC of 24bit, and decoded data are through the DAC of 24bit
Earphone or loudspeaker are arrived in rear output.In system, codec transmits voice data by digital interface, by control interface
Control data.The sample rate of this encoder could be arranged to 8～48kHz, and the data of left and right sound channels are 16bit, therefore language
The speed of tone signal is 256～1536kbit/s, when traffic rate more than 1536kbit/s when it is ensured that clearly voice pass
Defeated.
The described purification audio communication system based on optic communication uses intensity modulated and direct detection (IM/DD), i.e. LED sends out
Penetrate luminous power with transmission signal intensity, the photoelectric detector of receiving terminal, such as photodiode (PD), avalanche diode (APD)
First-class with camera lens, receive the light intensity of power change and change into current signal.Owing to there is direct projection link between sending and receiving end
When, direct projection link power accounts for the 97.6% of total received power, when after the PD of communication terminal is positioned at LED light source, almost permissible
Ignore the interference effect to self receiving terminal for the transmitting terminal light.Therefore, uplink downlink all uses white light LEDs to communicate.
This beneficial effect of the invention:
Method and the technology such as application artificial taste intelligent system, knowledge engineering, pattern-recognition, artificial neural network, carry out intelligence
Change, integrated, concert rationality, the computer management system of a new generation of design and realization.Use the lighting device of LED, also only use
Communication；There is male and fomale(M&F) in other awave design surface, and then realizes the absorption to sweat, and the design of memory then realizes
The storage of docking message in-coming part, and then consult after being easy to, the interpolation of hook then realizes fixing lamp cylinder, and then be easy to by
Lamp cylinder uses as illuminating lamp, and the interpolation of spacing ring is then easy to be fixed battery, and then decreases installation personnel
The required time, finally improve the operating efficiency of installation personnel；In addition, Intelligent flashlight can be real by gsm communication module
Having showed long-range control, user can start Intelligent flashlight before going home.
Described microcontroller is to use single-chip microcomputer, and its CPU is made up of controller and arithmetic unit, is substantially carried out computing and refers to
Order identifies.Memory is the erasable flash memory of 8K, and working power is+5V.Has the inverting amplifier of oscillator, 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.
Visible light communication is a kind of point-to-point transmission mode, the advantage with good confidentiality.Remote visible light communication
System, have employed OOK modulation system at transmitting terminal, and OOK bandwidth demand is low, and hardware realizes the simplest, when decoding only
Need the method by directly detecting, when determining, by the presence or absence judging light, the information receiving 0 or 1；Make transmitting terminal
Cost is reasonable；At receiving terminal, CCD is used to use high frame frequency (more than 100fps), Gao Ling as photo-detector, hardware device
Sensitivity, high-responsivity CCD camera；Camera shoots with frame frequency identical with light source, and CCD camera is entered by design software
The rule of modulated signal is presented by the collection of row data and process, obtains corresponding gray value, thus completes the biography of information
Pass process, it is achieved the reception of character string.Selecting CCD as photo-detector, its sensitivity and responsiveness are than traditional PIN light
Electric diode is much higher.It in contrast to conventional photodiode, use CCD camera can make the position of light source can be in the picture
Clearly indicating out, so, as long as can interpolate that out the position of signal, multiple light source can be used, at receiving terminal in the future
Within ability to accept, increase exponentially transfer rate.And CCD can also be simultaneously used for APT communication system as photo-detector
In the middle of system.
Optical key and intelligent mobile terminal combine, and can well use android system exploitation mobile phone A AP light key
Software, android system is the operating system increased income based on Linux, be mainly used in mobile terminal (mobile phone and
Flat board) in.Android system is compared with other system platform, has very big advantage.Its advantage is topmost is 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 just the development for Android system laid fine basis.Android system has become as
The big system of whole world installation amount first.Another big advantage of Android system is namely based on the platform of Google, and Google is public
The map of department, search, the service product such as mailbox, can be seamless be applied in Andriod system.
The described field programmable gate array of the present invention, inside includes configurable logic blocks CLB, input and output
Module I OB and three parts of interconnector；FPGA utilizes small-sized look-up table (16 × 1RAM) to realize combinational logic, and each is searched
Table is connected to the input of a d type flip flop, and trigger drives other logic circuits again or drives I/O, both thus constitutes
Can realize that combination logic function can realize again the basic logic unit module of sequential logic function, these intermodules utilize metal even
Line interconnects or is connected to I/O module；The logic of FPGA is to load programming data in fact by internally static storage cell
Existing, storage value in a memory cell determines between the logic function of logical block and each module or module and I/O
Between connecting mode, and finally determine the function achieved by FPGA, FPGA allows unlimited number of programming；Realize for more preferable
The present invention, disclosure satisfy that and make solar energy carry out generating electricity not or still meet when night to supply whole system in illuminance
Electricity
In use, unnecessary electric energy will be stored in batteries, and occur solar illuminating not or rainy weather or
During night, batteries will carry out releasing electricity, and is 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 reach 24 hours round-the-clock to make whole system work.
Use OOK-NRZ modulation coding mode based on the purification audio communication system of optic communication, reduce system and realize complexity
Degree.Add lens before transmitting terminal LED and receiving terminal PD photosensitive tube, the angle of divergence and the increase P of LED light line can be reduced
The reception light intensity of D photosensitive tube, thus increase communication distance.
In order to realize the requirement of low cost and low-power consumption, with single-chip microcomputer as main control, control audio coder-decoder,
And carry out the transmission of data.Native system can realize the highest 2.5Mbit the traffic rate of s, farthest communication distance is up to 40m, system
Complexity is low, realization is simple, equipment volume is little, low in energy consumption, low cost and stable performance, has preferable practicality.
Brief description
Fig. 1 is LED drive circuit structure schematic diagram；
Fig. 2 is Photoelectric Detection modular structure schematic diagram；
Fig. 3 is audio coder-decoder structural representation.
Detailed description of the invention
Below in conjunction with the accompanying drawings a kind of purification voice system based on optic communication of the present invention is further described in detail:
1 as it is shown in figure 1, a kind of photovoltaic energy-conservation intelligent communication flashlight, comprising: central processing unit, field programmable gate array electricity
Road, photoelectric detective circuit, light-dependent control lock module, optical key module, reception antenna, signal processing circuit, power circuit, white light LEDs,
Transmission of visible light link, Intelligent flashlight, audio coder-decoder, audio frequency input/output terminal, power circuit；
Described signal modulating equipment is responsible for modulation and is generated the original signal of telecommunication；Described LED lamp is monochromatic LED；Described light is visited
Surveying device is the preferable CCD electrooptical device of visible light wave range response；Described reception antenna is the optical lens of variable multiple；
Described signal processing circuit and photo-detector adapt, for the process of video electrical signal, and determine light spot received shape,
Size and average received power；Being atmospheric channel between described searchlight and described reception antenna, the light that light source sends passes through
Atmospheric channel is transmitted；
Described remote visible light communication system equipment mainly includes transmitting terminal and receiving terminal；Transmitting terminal can use OOK, PPM etc.
Modulation system, the optical signal modulating is launched with the rule of high speed, light and shade change, is used high-power low beam divergence angle by light source
Array LED is as light source, owing to modulation rate is in 100 bit magnitudes, single-chip microcomputer can be used to coordinate C++ software programming to enter
The design of hardware and software of row transmitting terminal, it is achieved the transmission of character string；Receiving terminal, uses CCD to make as photo-detector, hardware device
With high more than frame frequency 100fps, high sensitivity, high-responsivity CCD camera；Camera shoots with frame frequency identical with light source,
And design software carries out collection and the process of data to CCD camera, presents the rule of modulated signal, obtain corresponding
Gray value, thus complete the transmittance process of information, it is achieved the reception of character string；Described charging socket is arranged at the side of door close
End；Being provided with intelligent mobile terminal in described 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, sends out key information by the software module of intelligent mobile terminal,
Key information is exported by the min-USB mouth of intelligent mobile terminal；The key information being exported, based on intelligent mobile terminal OTG
Function, in external drive module loading to LED, is completed the transmission of key information by LED；Described transmission of visible light
Link includes LED drive circuit, LED, lens, PD photosensitive tube and Photoelectric Detection module；Described Intelligent flashlight is single-chip microcomputer,
Carry out collection and the compressed encoding of speech data for controlling described audio coder-decoder, and collection data are sent out by serial ports
Delivering to LED drive circuit, described LED drive circuit sends make-and-break signal according to instruction；The described PD of Photoelectric Detection module control
Photosensitive tube receives optical signal and is transported to described Intelligent flashlight, and the data of reception are sent to described sound by described Intelligent flashlight
Frequently coding decoder is decoded output.
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 combinational logic, and each look-up table connects
To the input of a d type flip flop, trigger drives other logic circuits again or drives I/O, thus constitutes and both can realize
Combination logic function can realize again the basic logic unit module of sequential logic function, and these intermodules utilize metal connecting line mutual
It is coupled or attached to I/O module；The logic of FPGA loads programming data by internally static storage cell and realizes, deposits
Storage value in a memory cell determines coupling between the logic function of logical block and each module or between module with I/O
Mode, and finally determine the function achieved by FPGA, FPGA allows unlimited number of programming；To better implement the present invention,
Disclosure satisfy that and make solar energy carry out generating electricity not or still meet when night to be powered whole system in illuminance.
In use, unnecessary electric energy will be stored in batteries, and occur that solar illuminating is inadequate or overcast and rainy
When gas or night, batteries will carry out releasing electricity, and is 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, reach 24 hours round-the-clock to make whole system work.
Preferably, the described uplink downlink based on the purification audio communication system of optic communication all uses the common white light of 1W
LED, uses on-off keying-nonreturn to zero code (OOK-NRZ) modulation system.
Described flashlight, including flashlight profile portion and visible ray communication structure, described flashlight profile portion by
Dust-proof lampshade, anti-slip veins, hook, lamp cylinder, lamp holder and switch composition, described lamp cylinder is cylindrical structural, a left side for described lamp cylinder
End end face is provided with lamp holder, and described lamp holder is provided with dust-proof lampshade, the axis of described lamp holder and dust-proof lampshade place plane
Perpendicular, described lamp cylinder is provided with switch, the right-hand member of described switch is provided with protection line, and described anti-slip veins is around the side of lamp cylinder
Face is arranged, and its right end face of described lamp cylinder is fixed with hook, and described hook is the loop configuration that cross section is circle, institute
State visible ray communication structure by touching display screen, LED, connecting line, battery, control box, spacing ring, installing plate, USB connect
Mouth, photoelectric detector, memory and visible-light treatment chip composition, described touch display screen is arranged on lamp cylinder and specifically pastes
The outer surface being combined in lamp cylinder is arranged, and described USB interface is positioned in its right end face of lamp cylinder, described LED, connecting line, storage
Battery, control box, spacing ring, installing plate, photoelectric detector, memory and visible-light treatment chip are positioned at the inside of lamp cylinder,
Described battery is positioned at the centre position within lamp cylinder, and described battery is fixed by spacing ring, and described spacing ring is ring
Around the battery circulus of a week, described installing plate is positioned at the leftward position of battery and the axis being specifically perpendicular to lamp cylinder
Being arranged, described installing plate being provided with LED and photoelectric detector, described control box is fixed on the right-hand member within lamp cylinder
Position, described memory and visible-light treatment chip are positioned at the inside of control box, and described LED passes through connecting line and memory
Two-way electric connection, described memory is by connecting line and the touch two-way electric connection of display screen, and described memory is by connecting
Line and the two-way electric connection of visible-light treatment chip, described visible-light treatment chip is by connecting line and the two-way electricity of photoelectric detector
Property connect, described visible-light treatment chip is by connecting line and the unidirectional electric connection of LED, described switch and LED unidirectional electrical
Property connect；
Described microcontroller is to use single-chip microcomputer, and its CPU is made up of controller and arithmetic unit, is substantially carried out computing and instruction is known
Not.Memory is the erasable flash memory of 8K, and working power is+5V.Have the inverting amplifier of oscillator, quartz-crystal inside it
Body and ceramic resonator collectively form self-excited oscillator.Pin is simple and reliable, powerful, easy to use, and has low work(
Consumption spare time and power-down mode.
Described temperature sensor is DS18B20 sensor, and DS18B20 sensor has a line interface, uses simple side
Just, being not necessarily to outer member in actual use, directly utilizing data/address bus and power, measurement temperature range is bigger.Therefore, make
Relatively wide by scope, purposes is bigger.
Described remote visible light communication system specifically includes:
Modulator, needs modulates baseband signals to light carrier for visible light communication transmitting terminal, and the effect of modulator is exactly
Will be according to different modulation systems, such as OOK modulation, PPM modulation etc., information is first modulated into the signal of telecommunication.On modulator hardware
51 conventional single-chip microcomputer series can be used, in order to reach the requirement of higher speed and precision, FPGA can also be selected
Deng.
LED drives, and is used for converting electrical signals to optical signal.LED drives module for completing to drive LED light source
The signal of telecommunication being adjusted to is converted into optical signal simultaneously and is loaded on LED light source by dynamic function.Such as 51 single-chip microcomputers, it triggers
Mode is that TTL triggers, and completes to drive LED light source.
LED, is the emitter of visible light communication system, in order to meet the demand of communication system, should select work(as far as possible
Rate is big, beam divergence angle is little, white light LEDs light source.Additionally, select array format LED light source can increase luminous power, and to beam spreading
Angle commonly reaches 4 degree.
LED controller, is used for controlling the equipment of light source and camera, completes miscellaneous function.
Atmospheric channel, the flashlight being adjusted to is launched, is transmitted by atmospheric channel by light source, will be subject in transmitting procedure
Impact to atmospheric channel.
Camera lens, camera lens is i.e. reception antenna, mainly completes the seizure receive capabilities of optical signal, and camera lens can enter
Row zoom, changes field of view of receiver angle, and can zoom in or out target.It for the ease of cooperating with CCD camera, is configured with
Motorized zoom lens and encoder, it is possible to achieve computer controls autozoom.
CCD camera, CCD is sensitive component, mainly converts optical signal into signal of telecommunication reimaging.
CCD camera needs to mate the speed of light source, and CCD camera can complete high frame frequency collection.CCD camera passes through
Gigabit Ethernet is connected on computer, and is completed collection and the process of view data by program.
Imaging process, for the modulated optical signal receiving is received imaging, analyzes its gray-level light intensity, solves
Recalling raw information, the information that completes receives.
As in figure 2 it is shown, in described LED drive circuit, the voice data from single-chip microcomputer is amplified by mutual conductance amplifying circuit
And it is converted into current signal, it is loaded in LED after Bias-T superposition direct current.The angle of divergence of LED is generally large,
LED front end adds apart from adjustable collimation lens, the dispersion angle of light regulating, in order to is used for the illumination of different distance and leads to
Letter.
Preferably, described PD photosensitive tube be receiving area be 5mm × 5mm, PD photosensitive tube.PD photosensitive tube area connects more greatly
The luminous power received is bigger, but responsive bandwidth can be less.PD photosensitive tube front end adds the bigger aspheric collimation lens increase of area and connects
Receive luminous power.PD photosensitive tube converts optical signals into current signal output, current visible ray PD photosensitive tube response sensitivity peak
Value mostly at red spectral band, described PD photosensitive tube sensitivity at LED light spectrum peak 450nm less than 0.3A W.When communication away from
When farther out, the luminous power that PD photosensitive tube receives is less, and the current signal therefore exporting is very little, typically only several × 10mA.
In order to carry out follow-up data process, need to be amplified the electric current of PD photosensitive tube output.
As it is shown on figure 3, in described Photoelectric Detection module, current signal is converted into electricity by the low noise trans-impedance amplifier of the 1st grade
Pressure signal, then after the 2nd step voltage amplifier, voltage amplitude can reach 2～3V, exports 3.3V after voltage comparator
TTL signal, be input to single-chip microcomputer and process.
As it is shown on figure 3, described audio coder-decoder is a low-power consumption, high-fidelity and volume, little WM8960 audio frequency compiles solution
Code device, it is integrated with microphone, earphone interface and amplifier, therefore greatly reduces quantity and the electricity of external circuit components and parts
Road volume.The analog audio data of microphone input carries out audio coding, decoded data warp after sampling through the ADC of 24bit
Earphone or loudspeaker are arrived in output after crossing the DAC of 24bit.In system, codec transmits voice data by digital interface, passes through
Control interface control data.The sample rate of this encoder could be arranged to 8～48kHz, and the data of left and right sound channels are
16bit, therefore the speed of voice signal is 256～1536kbit/s, when traffic rate more than 1536kbit/s when it is ensured that
Voice transfer clearly.
The described purification audio communication system based on optic communication uses intensity modulated and direct detection (IM/DD), i.e. LED sends out
Penetrate luminous power with transmission signal intensity, the photoelectric detector of receiving terminal, such as photodiode (PD), avalanche diode (APD)
First-class with camera lens, receive the light intensity of power change and change into current signal.Owing to there is direct projection link between sending and receiving end
When, direct projection link power accounts for the 97.6% of total received power, when after the PD of communication terminal is positioned at LED light source, almost permissible
Ignore the interference effect to self receiving terminal for the transmitting terminal light.Therefore, uplink downlink all uses white light LEDs to communicate.Institute
State remote visible light communication system to specifically include:
Modulator, needs modulates baseband signals to light carrier for visible light communication transmitting terminal, and the effect of modulator is exactly
Will be according to different modulation systems, such as OOK modulation, PPM modulation etc., information is first modulated into the signal of telecommunication.On modulator hardware
51 conventional single-chip microcomputer series can be used, in order to reach the requirement of higher speed and precision, FPGA can also be selected
Deng.
LED drives, and is used for converting electrical signals to optical signal.LED drives module for completing to drive LED light source
The signal of telecommunication being adjusted to is converted into optical signal simultaneously and is loaded on LED light source by dynamic function.Such as 51 single-chip microcomputers, it triggers
Mode is that TTL triggers, and completes to drive LED light source.
LED, is the emitter of visible light communication system, in order to meet the demand of communication system, should select work(as far as possible
Rate is big, beam divergence angle is little, white light LEDs light source.Additionally, select array format LED light source can increase luminous power, and to beam spreading
Angle commonly reaches 4 degree.
LED controller, is used for controlling the equipment of light source and camera, completes miscellaneous function.
Atmospheric channel, the flashlight being adjusted to is launched, is transmitted by atmospheric channel by light source, will be subject in transmitting procedure
Impact to atmospheric channel.
Camera lens, camera lens is i.e. reception antenna, mainly completes the seizure receive capabilities of optical signal, and camera lens can enter
Row zoom, changes field of view of receiver angle, and can zoom in or out target.It for the ease of cooperating with CCD camera, is configured with
Motorized zoom lens and encoder, it is possible to achieve computer controls autozoom.
CCD camera, CCD is sensitive component, mainly converts optical signal into signal of telecommunication reimaging.
CCD camera needs to mate the speed of light source, and CCD camera can complete high frame frequency collection.CCD camera passes through
Gigabit Ethernet is connected on computer, and is completed collection and the process of view data by program.
Imaging process, for the modulated optical signal receiving is received imaging, analyzes its gray-level light intensity, solves
Recalling raw information, the information that completes receives.
Above in conjunction with accompanying drawing, embodiments of the invention are described, but the invention is not limited in above-mentioned concrete
Embodiment, above-mentioned detailed description of the invention is only schematically, rather than restricted, those of ordinary skill in the art
Under the enlightenment of the present invention, in the case of without departing from present inventive concept and scope of the claimed protection, it may also be made that a lot
Form, these belong within the protection of the present invention.
Claims (6)
1. the energy-conservation intelligent communication flashlight of a photovoltaic, it is characterised in that include；Central processing unit, field programmable gate array
Circuit, photoelectric detective circuit, light-dependent control lock module, optical key module, reception antenna, signal processing circuit, power circuit, white light
LED, transmission of visible light link, Intelligent flashlight, audio coder-decoder, audio frequency input/output terminal, power circuit；
Described signal modulating equipment is responsible for modulation and is generated the original signal of telecommunication；Described LED lamp is monochromatic LED；Described light is visited
Surveying device is the preferable CCD electrooptical device of visible light wave range response；Described reception antenna is the optical lens of variable multiple；
Described signal processing circuit and photo-detector adapt, for the process of video electrical signal, and determine light spot received shape,
Size and average received power；Being atmospheric channel between described searchlight and described reception antenna, the light that light source sends passes through
Atmospheric channel is transmitted；Described flashlight, including flashlight profile portion and visible ray communication structure, outside described flashlight
Shape part is made up of dust-proof lampshade, anti-slip veins, hook, lamp cylinder, lamp holder and switch, and described lamp cylinder is cylindrical structural, described
The left end end face of lamp cylinder is provided with lamp holder, and described lamp holder is provided with dust-proof lampshade, the axis of described lamp holder and dust-proof lampshade
Place plane is perpendicular, and described lamp cylinder is provided with switch, and the right-hand member of described switch is provided with protection line, described anti-slip veins cincture
The side of lamp cylinder is arranged, and its right end face of described lamp cylinder is fixed with hook, and described hook is the ring that cross section is circle
Shape structure, described visible ray communication structure is by touching display screen, LED, connecting line, battery, control box, spacing ring, installation
Plate, USB interface, photoelectric detector, memory and visible-light treatment chip composition, described touch display screen is arranged on lamp cylinder
And the outer surface being specifically fitted in lamp cylinder is arranged, described USB interface is positioned in its right end face of lamp cylinder, described LED, company
Wiring, battery, control box, spacing ring, installing plate, photoelectric detector, memory and visible-light treatment chip are positioned at lamp cylinder
Inside, described battery is positioned at the centre position within lamp cylinder, and described battery is fixed by spacing ring, described spacing
Ring is for around the battery circulus of a week, and described installing plate is positioned at the leftward position of battery and is specifically perpendicular to lamp cylinder
Axis is arranged, and described installing plate is provided with LED and photoelectric detector, and described control box is fixed on inside lamp cylinder
Right end position, described memory and visible-light treatment chip be positioned at control box inside, described LED by connecting line with
The two-way electric connection of memory, described memory is led to the touch two-way electric connection of display screen, described memory by connecting line
Crossing connecting line and the two-way electric connection of visible-light treatment chip, described visible-light treatment chip passes through connecting line and photoelectric detector
Two-way electric connection, described visible-light treatment chip is by connecting line and the unidirectional electric connection of LED, described switch and LED
Unidirectional electric connection；
Described remote visible light communication system equipment mainly includes transmitting terminal and receiving terminal；Transmitting terminal can use OOK, PPM etc.
Modulation system, the optical signal modulating is launched with the rule of high speed, light and shade change, is used high-power low beam divergence angle by light source
Array LED is as light source, owing to modulation rate is in 100 bit magnitudes, single-chip microcomputer can be used to coordinate C++ software programming to enter
The design of hardware and software of row transmitting terminal, it is achieved the transmission of character string；Receiving terminal, uses CCD to make as photo-detector, hardware device
With high more than frame frequency 100fps, high sensitivity, high-responsivity CCD camera；Camera shoots with frame frequency identical with light source,
And design software carries out collection and the process of data to CCD camera, presents the rule of modulated signal, obtain corresponding
Gray value, thus complete the transmittance process of information, it is achieved the reception of character string；Described charging socket is arranged at the side of door close
End；
Described power circuit connects central processing unit and field programmable gate array respectively；It is provided with in described power circuit
Solar panel, mu balanced circuit, power-supply controller of electric and DC power-supply circuit；Described transmission of visible light link includes that LED drives
Circuit, LED, lens, PD photosensitive tube and Photoelectric Detection module；Described Intelligent flashlight is single-chip microcomputer, is used for controlling described sound
Frequently coding decoder carries out collection and the compressed encoding of speech data, and by serial ports, collection data are sent to LED driving
Circuit, described LED drive circuit sends make-and-break signal according to instruction；The described PD photosensitive tube of Photoelectric Detection module control receives light letter
Number and be transported to described Intelligent flashlight, the data of reception are sent to described audio coder-decoder and enter by described Intelligent flashlight
Row decoding output.
2. a kind of purification voice system based on optic communication according to claim 1, it is characterised in that described scene can
Programming gate-array circuit, inside includes configurable logic blocks CLB, input/output module IOB and three parts of interconnector；
FPGA utilizes small-sized look-up table (16 × 1RAM) to realize combinational logic, and each look-up table is connected to the input of a d type flip flop
End, trigger drives other logic circuits again or drives I/O, thus constituting and not only can realize combination logic function but also can realize
The basic logic unit module of sequential logic function, these intermodules utilize metal connecting line interconnect or be connected to I/O module；
The logic of FPGA loads programming data by internally static storage cell and realizes, storage value in a memory cell
Determine the connecting mode between the logic function of logical block and each module or between module and I/O, and finally determine
Function achieved by FPGA, FPGA allows unlimited number of programming.
3. a kind of purification voice system based on optic communication according to claim 2, it is characterised in that described LED drives
In circuit, the voice data from single-chip microcomputer is amplified and converted to current signal by mutual conductance amplifying circuit, passes through Bias-T
It is loaded in LED after superposition direct current.
4. a kind of purification voice system based on optic communication according to claim 1, it is characterised in that
Use intensity modulated and direct detection (IM/DD), i.e. LED emission luminous power based on the purification audio communication system of optic communication
With transmission signal intensity, the photoelectric detector of receiving terminal, such as photodiode (PD), avalanche diode (APD) and camera lens
First-class, receive the light intensity of power change and change into current signal.
5., when owing to there is direct projection link between sending and receiving end, direct projection link power accounts for the 97.6% of total received power, works as communication
When the PD of terminal is positioned at after LED light source, almost can ignore the interference effect to self receiving terminal for the transmitting terminal light.
6. a kind of purification voice system based on optic communication according to claim 4, it is characterised in that described Photoelectric Detection
In module, current signal is converted into voltage signal by the low noise trans-impedance amplifier of the 1st grade, then after the 2nd step voltage amplifier
Voltage amplitude can reach 2～3V, exports the TTL signal of 3.3V, be input to single-chip microcomputer and process after voltage comparator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610548727.2A CN106151917A (en) | 2016-07-13 | 2016-07-13 | A kind of photovoltaic energy-conservation intelligent communication flashlight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610548727.2A CN106151917A (en) | 2016-07-13 | 2016-07-13 | A kind of photovoltaic energy-conservation intelligent communication flashlight |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106151917A true CN106151917A (en) | 2016-11-23 |
Family
ID=58061651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610548727.2A Pending CN106151917A (en) | 2016-07-13 | 2016-07-13 | A kind of photovoltaic energy-conservation intelligent communication flashlight |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106151917A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110087043A (en) * | 2019-05-20 | 2019-08-02 | 湖南工程学院 | A kind of wisdom field post monitoring system |
| CN110118328A (en) * | 2019-05-20 | 2019-08-13 | 湖南工程学院 | A kind of control method of turn color lamp |
| CN110118327A (en) * | 2019-05-20 | 2019-08-13 | 湖南工程学院 | A kind of illumination control method |
| CN110185953A (en) * | 2019-05-20 | 2019-08-30 | 湖南工程学院 | A kind of Multi-functional Lighting terminal |
| CN110868255A (en) * | 2019-09-25 | 2020-03-06 | 南京邮电大学 | Flashlight audio communication device based on visible light communication |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201110465Y (en) * | 2007-11-30 | 2008-09-03 | 王铁夫 | Instruction alarm LED electric torch |
| CN201237089Y (en) * | 2008-06-13 | 2009-05-13 | 邓博予 | Electric torch with wireless signal emission and sound and light alarm function |
| US20120268029A1 (en) * | 2011-03-31 | 2012-10-25 | Austriamicrosystems Ag | Circuit Arrangement and Method for Operating a Light Source, in Particular, a Light-Emitting Diode |
| CN203336248U (en) * | 2013-07-08 | 2013-12-11 | 刘昕依 | Multifunctional flashlight |
| CN205137141U (en) * | 2015-10-08 | 2016-04-06 | 深圳市裕创意科技有限公司 | Multifunctional electric torch |
-
2016
- 2016-07-13 CN CN201610548727.2A patent/CN106151917A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201110465Y (en) * | 2007-11-30 | 2008-09-03 | 王铁夫 | Instruction alarm LED electric torch |
| CN201237089Y (en) * | 2008-06-13 | 2009-05-13 | 邓博予 | Electric torch with wireless signal emission and sound and light alarm function |
| US20120268029A1 (en) * | 2011-03-31 | 2012-10-25 | Austriamicrosystems Ag | Circuit Arrangement and Method for Operating a Light Source, in Particular, a Light-Emitting Diode |
| CN203336248U (en) * | 2013-07-08 | 2013-12-11 | 刘昕依 | Multifunctional flashlight |
| CN205137141U (en) * | 2015-10-08 | 2016-04-06 | 深圳市裕创意科技有限公司 | Multifunctional electric torch |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110087043A (en) * | 2019-05-20 | 2019-08-02 | 湖南工程学院 | A kind of wisdom field post monitoring system |
| CN110118328A (en) * | 2019-05-20 | 2019-08-13 | 湖南工程学院 | A kind of control method of turn color lamp |
| CN110118327A (en) * | 2019-05-20 | 2019-08-13 | 湖南工程学院 | A kind of illumination control method |
| CN110185953A (en) * | 2019-05-20 | 2019-08-30 | 湖南工程学院 | A kind of Multi-functional Lighting terminal |
| CN110118328B (en) * | 2019-05-20 | 2020-08-11 | 湖南工程学院 | Control method of rotating colored lamp |
| CN110868255A (en) * | 2019-09-25 | 2020-03-06 | 南京邮电大学 | Flashlight audio communication device based on visible light communication |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106151917A (en) | A kind of photovoltaic energy-conservation intelligent communication flashlight | |
| CN106195887A (en) | A kind of photovoltaic energy-conservation intelligence absorption haze street lamp | |
| CN106066096A (en) | The remotely light-operated Intelligent heating shower system of a kind of Multi net voting | |
| CN106123113A (en) | A kind of indoor wireless CCD controls Intelligent purifying device | |
| CN106091257A (en) | The Intelligent purifying device that a kind of multi-internet integration is the most light-operated | |
| CN106100729A (en) | A kind of short-distance wireless communication CCD energy-saving control device | |
| CN105915285A (en) | Intelligent energy-saving curtain based on multi-network fusion | |
| CN105939175A (en) | Submarine CCD optical communication device | |
| CN105892373A (en) | Remote LBS positioning and navigation internet of things control system | |
| CN106686799A (en) | Smart searchlighting system for indoor short-range communication | |
| CN105897529A (en) | Remote LIFI energy-saving light control home network system | |
| CN106100731A (en) | A kind of insert row control system of long-range LBS location navigation | |
| CN106211427A (en) | A kind of underground special CCD optic communication illuminator | |
| CN106211428A (en) | A kind of searchlighting system of multi-internet integration telecommunication | |
| CN106091177A (en) | A kind of domestic intelligent cleaning system controlled based on mobile interchange | |
| CN106209231A (en) | A kind of short distance communication intelligence dedusting street lamp | |
| CN106094537A (en) | A kind of indoor wireless CCD controls intelligent controlling device | |
| CN106059664A (en) | Remote LBS positioned and navigated automatic curtain control system | |
| CN106160858A (en) | A kind of photovoltaic energy-conservation CCD light-operated intelligent dirt removing device | |
| CN106161605A (en) | Optic communication intelligent mobile intarconnected cotrol air-conditioner humidifying system | |
| CN106168402A (en) | A kind of photovoltaic CCD light-operated intelligent air-conditioning heating system | |
| CN106168095A (en) | A kind of photovoltaic phonetic warning automatically controls window | |
| CN106179747A (en) | The intelligence of a kind of multi-internet integration telecommunication goes haze system | |
| CN106179740A (en) | A kind of LBS positions artificial intelligence's dust arrester | |
| CN106169232A (en) | The optical communication apparatus apparatus for household use that a kind of basement special mobile end controls |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161123 |
|
| RJ01 | Rejection of invention patent application after publication |