CN106195887A - A kind of photovoltaic energy-conservation intelligence absorption haze street lamp - Google Patents
A kind of photovoltaic energy-conservation intelligence absorption haze street lamp Download PDFInfo
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- CN106195887A CN106195887A CN201610548637.3A CN201610548637A CN106195887A CN 106195887 A CN106195887 A CN 106195887A CN 201610548637 A CN201610548637 A CN 201610548637A CN 106195887 A CN106195887 A CN 106195887A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S9/00—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply
- F21S9/02—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator
- F21S9/03—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator rechargeable by exposure to light
- F21S9/032—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator rechargeable by exposure to light the solar unit being separate from the lighting unit
-
- 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
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/06—Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices, e.g. connectors
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q5/00—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange
- H04Q5/24—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange for two-party-line systems
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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]
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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]
- H05B45/10—Controlling the intensity of the light
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
- F21W2131/10—Outdoor lighting
- F21W2131/103—Outdoor lighting of streets or roads
-
- 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
- Y02B20/72—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Signal Processing (AREA)
- Optical Communication System (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention discloses a kind of photovoltaic energy-conservation intelligence absorption haze street lamp, including reception antenna, signal processing circuit, power circuit, white light LEDs；Described intelligent road-lamp is single-chip microcomputer, carries out collection and the compressed encoding of speech data for controlling described audio coder-decoder, 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；Photoelectric Detection module controls described PD photosensitive tube and receives optical signal and be transported to described intelligent road-lamp, and the data of reception are sent to described audio coder-decoder and are decoded output by described intelligent road-lamp.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 intelligence absorption haze street lamp.
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 provides the energy for water heater.From life on earth birth
Since life, the infrared radiant energy existence mainly provided with the sun, and also understand with sun dry part from ancient human, and as system
The method making food, such as salt manufacturing and solarization cured fish etc..In the case of 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 by solar interior hydrogen atom generation hydrogen helium fusion and produces, 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, by the animals and plants being embedded in underground ancient times, the primary energy formed through very long geological epoch.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 conventional radio frequency based on electromagnetic transmission information communication outside, also have based on
The radio communication of light, wherein, has communication technology based on iraser etc., also has 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.The data needing transmission are loaded on optical carrier, and are modulated, then utilize electrooptical device to receive light and carry
Ripple signal also 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
Lamp post structure single, be generally only capable of the effect playing illumination, function is limited, fails to make full use of its upper end space resource.
It is an object of the invention to provide a kind of dedusting street lamp that can adsorb haze, it is possible to improve what prior art existed
Problem, realizes solar powered by the solar panels being arranged on the street lamp body of rod, and uses field generator and dust-catching board phase
Coordinate mutually, it is achieved dust removing effects, use atomising spray device, it is possible to making the particulate matter flocking settling in air, raising removes simultaneously
Dirt effect.
Summary of the invention
The goal of the invention of the present invention is, overcomes the deficiency of art methods, it is provided that 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 intelligence absorption haze street lamp, including；Central processing unit, field programmable gate array, light electric-examination
Slowdown monitoring circuit, light-dependent control lock module, optical key module, reception antenna, signal processing circuit, power circuit, white light LEDs, visible ray pass
Transmission link, intelligent road-lamp, 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 that visible light wave range responds preferable CCD electrooptical device；Described reception antenna is the optical lens of variable multiple；
Described signal processing circuit adapts with photo-detector, 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 intelligent road-lamp includes the street lamp body of rod (101) that fire resistant PVC makes and is arranged on described
The solar panels (102) of the street lamp body of rod (101) upper end, the described street lamp body of rod (101) is hollow cylindrical configuration, described
The street lamp body of rod (101) inner side is provided with accumulator (103), and described solar panels (102) lower section is provided with field generator,
Described field generator electrically connects with described accumulator (103), and described field generator includes the sun being arranged on upper end
Extremely (104) and the cathode terminal (105) that is arranged below, between described cathode terminal (105) and described anode tap (104)
The street lamp body of rod (101) on be coated with dust-catching board (121), described dust-catching board (121) is provided with in irregular arrangement
Through-hole structure, is provided with baffle plate (106) in described cathode terminal (105) lower section, at the light pole of described baffle plate (106) lower section
Being provided with illuminating lamp (107) on body (101), described illuminating lamp (107) is along the described street lamp body of rod (101) outer wall circumference etc.
Spaced 4, in described illuminating lamp (107) outer cover equipped with transparent cover body (108), at described cover body (108)
It is provided with, on the sidewall of the street lamp body of rod (101) of lower section, the several through holes arranged at equal intervals, is respectively provided with in described through hole
There is atomizer (109), the described street lamp body of rod (101) inner side is provided with conveying pipe (110), described conveying pipe (110)
It is connected with described atomizer (109) respectively, is internally provided with water tank (111) at the described street lamp body of rod (101), described
Water tank (111) on be provided with silent pump, described silent pump is connected with described conveying pipe (110), described silent pump
Electrically connect with described accumulator (103) respectively with described illuminating lamp (107), at described solar panels (102) with described
Baffle plate (106) between be provided with protective cover, described protective cover includes the first protective cover (112) and is sleeved on described first
Second protective cover (113) in protective cover (112) outside, described field generator is positioned at described the first protective cover (112)
Through hole, the first described guarantor it is respectively arranged with on side, described the first protective cover (112) and described the second protective cover (113)
Through hole on guard shield (112) and described the second protective cover (113) mutually staggers setting, and described baffle plate (106) is high temperature resistant
Fire prevention PVC makes.
Described remote visible light communication system equipment mainly includes transmitting terminal and receiving terminal；Transmitting terminal can use OOK,
The modulation systems such as PPM, the optical signal modulated is launched with the rule of high speed, light and shade change, is used high-power low by light source
Beam divergence angle 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 carries out the design of hardware and software of transmitting terminal, it is achieved the transmission of character string；Receiving terminal, uses CCD as photo-detector, hardware
Equipment uses high more than frame frequency 100fps, high sensitivity, high-responsivity CCD camera；Camera is carried out with frame frequency identical with light source
Shoot, and design software carries out collection and the process of data to CCD camera, the rule of modulated signal is presented, obtains
Corresponding gray value, thus complete the transmittance process of information, it is achieved the reception of character string；Described charging socket is arranged at door close
Side；
Solar panel, mu balanced circuit, power-supply controller of electric and DC power-supply circuit it is provided with in stating power circuit；In described hands
Central processor connects optical key module；It is provided with intelligent mobile terminal in described optical key module, grasps based on intelligent mobile terminal
Make system, design key based on virtual serial port and send the software module of intelligent mobile terminal, 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 exported
Breath, based on intelligent mobile terminal OTG function, in external drive module loading to LED, completes key by LED and believes
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 road-lamp is single-chip microcomputer, carries out collection and the compressed encoding of speech data for controlling described audio coder-decoder,
And collection data are sent to LED drive circuit by serial ports, described LED drive circuit sends make-and-break signal according to instruction；
Photoelectric Detection module controls described PD photosensitive tube and receives optical signal and be transported to described intelligent road-lamp, and described intelligent road-lamp will receive
Data be sent to described audio coder-decoder be decoded output.
Alternatively, the described uplink downlink purifying audio communication system based on 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 that TTL level signal, i.e.+5V represent high level " 1 ", and 0V represents low level " 0 "；Based on
TTL signal level feature, selects low cost, small size PNP type paster audion 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, by being 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 collimating lens, the dispersion angle of light regulating, in order to for different distance illumination with communicate.
Described PD photosensitive tube be receiving area be 5mm × 5mm, PD photosensitive tube.The light of the biggest reception of PD photosensitive tube area
Power is the biggest, but responsive bandwidth can be the least.PD photosensitive tube front end adds the bigger aspheric collimation lens of area and increases reception light merit
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
Time, the luminous power that PD photosensitive tube receives is less, and the current signal therefore exported is the least, the most several × 10mA.
Process to carry out follow-up data, need the electric current of PD photosensitive tube output is amplified.
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 process.
Described audio coder-decoder is the WM8960 audio codec that a low-power consumption, high-fidelity and volume are little, its collection
Become mike, 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 the ADC of 24bit samples, and decoded data are through the DAC of 24bit
Rear output is to earphone or speaker.In system, codec transmits voice data by digital interface, by controlling 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 time it is ensured that clearly voice pass
Defeated.
Described purification audio communication system based on optic communication uses intensity modulated and direct detection (IM/DD), i.e. LED to send 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
Time, direct projection link power accounts for the 97.6% of total received power, time after the PD of communication terminal is positioned at LED light source, the most permissible
Ignore the transmitting terminal light interference effect to self receiving terminal.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 that designs and realize.By using solar panels structure, it is possible to
For solar electrical energy generation, solar electrical energy generation is stored in accumulator after oversampling circuit converts, for for street lamp power supply, road lamp power supply, simultaneously
Owing to have employed field generator structure, it is possible to when utilizing electric field action, haze solid particulate matter adsorbs on dust-catching board, due to
Field generator is needs energized structural, is placed on inside protective cover in the present invention, in order to avoid external structure enters protection
In cover, present invention employs inside and outside two-layer protective cover structure, by making the through hole of inside and outside two-layer protective cover structure mutually stagger, energy
The rainwater avoiding outside enters in protective cover, does not affect air flowing, it is achieved dust removing effects simultaneously；
The present invention uses outside illuminating lamp, covers transparent protective cover, it is possible to avoid illuminating lamp impaired, simultaneously as shining
It is provided with spray structure below bright lamp, it is possible to by silent pump by the water pump in water tank to atomizer, is atomized ejection
After, by increasing capacitance it is possible to increase air humidity, it is engaged in the solid particulate matter utilized in atomized water absorption air so that solid particulate matter cohesion is heavy
Fall, such that it is able to effectively reduce solid particulate matter content；Described microcontroller is to use single-chip microcomputer, and its CPU is by controller and fortune
Calculation device forms, and is substantially carried out computing and instruction identifies.Memorizer is the erasable flash memory of 8K, and working power is+5V.In it
Portion has the inverting amplifier of agitator, quartz crystal and ceramic resonator to collectively form self-excited oscillator.Pin is simple and reliable,
Powerful, easy to use, and there is 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 received 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 collection of row data and process, present the rule of modulated signal, 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 android system can well be used to develop 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 the biggest 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 development for Android system laid fine basis.Android system has become as
The system that whole world installation amount first is big.Another big advantage of Android system is namely based on the platform of Google, and Google is public
The service products such as the map of department, search, mailbox, it is possible to seamless is 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 combination logic, each lookup
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 combination logic function and 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 logic function and each module of logical block or module and I/O
Between connecting mode, and finally determine the function achieved by FPGA, FPGA allows unlimited number of programming；For preferably realizing
The present invention, it is possible to meet and make solar energy carry out generating electricity not or still meet when night whole system is supplied in illuminance
Electricity
In use, unnecessary electric energy will be stored in accumulator battery, and occur solar illuminating not or rainy weather or
During night, accumulator battery 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.
Purification audio communication system based on optic communication uses OOK-NRZ modulation coding mode, reduces system and realizes complexity
Degree.Plus lens before transmitting terminal LED and receiving terminal PD photosensitive tube, the angle of divergence of LED light line can be reduced and increase P
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.
Accompanying drawing explanation
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；
Fig. 4 is lamp post structure figure.
Wherein: the 101. street lamp bodies of rod, 102. solar panels, 103. accumulator, 104. anode taps, 105. cathode terminals, 106. baffle plates,
107. illuminating lamps, 108. cover bodies, 109. atomizers, 110. conveying pipes, 111. water tanks, 112. first protective covers, 113. second
Protective cover, 114. flanged structures, 115. reflective sheetings, 116. water transport ports, 117. inlet valves, 118. protection boards, 119. grooves,
120. adapters, 121. dust-catching boards.
Detailed description of the invention
Below in conjunction with the accompanying drawings a kind of based on optic communication the purification voice system of the present invention is further described in detail:
1 as it is shown in figure 1, the energy-conservation intelligence of a kind of photovoltaic adsorbs haze street lamp, including: 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 road-lamp, 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 that visible light wave range responds preferable CCD electrooptical device；Described reception antenna is the optical lens of variable multiple；
Described signal processing circuit adapts with photo-detector, 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 modulated 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, the rule of modulated signal is presented, 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 exported, based on intelligent mobile terminal OTG
Function, in external drive module loading to LED, completes 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 road-lamp is single-chip microcomputer, uses
Carry out collection and the compressed encoding of speech data in the described audio coder-decoder of control, and collection data are sent by serial ports
To LED drive circuit, described LED drive circuit sends make-and-break signal according to instruction；Photoelectric Detection module controls described PD light
Quick pipe receives optical signal and is transported to described intelligent road-lamp, and the data of reception are sent to described audio coding by described intelligent road-lamp
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 combination 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, and deposits
Storage value in a memory cell determines coupling between logic function and each module of logical block 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 whole system is powered in illuminance.
In use, unnecessary electric energy will be stored in accumulator battery, and occur that solar illuminating is inadequate or overcast and rainy
When gas or night, accumulator battery 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 purifying audio communication system based on optic communication all uses the common white light of 1W
LED, uses on-off keying-nonreturn to zero code (OOK-NRZ) modulation system.
Described intelligent road-lamp includes the street lamp body of rod (101) that fire resistant PVC makes and is arranged on described light pole
The solar panels (102) of body (101) upper end, the described street lamp body of rod (101) is hollow cylindrical configuration, at the described street lamp body of rod
(101) inner side is provided with accumulator (103), and described solar panels (102) lower section is provided with field generator, described electricity
Field generator electrically connects with described accumulator (103), and described field generator includes the anode tap (104) being arranged on upper end
With the cathode terminal (105) being arranged below, the light pole between described cathode terminal (105) and described anode tap (104)
It is coated with dust-catching board (121) on body (101), described dust-catching board (121) is provided with the through-hole structure in irregular arrangement,
Described cathode terminal (105) lower section is provided with baffle plate (106), on the street lamp body of rod (101) of described baffle plate (106) lower section
Being provided with illuminating lamp (107), described illuminating lamp (107) is equally circumferentially spaced along the described street lamp body of rod (101) outer wall
4, in described illuminating lamp (107) outer cover equipped with transparent cover body (108), on the road of described cover body (108) lower section
It is provided with the several through holes arranged at equal intervals on the sidewall of lamp stand body (101), in described through hole, is respectively arranged with atomization spray
Head (109), is provided with conveying pipe (110) in the described street lamp body of rod (101) inner side, described conveying pipe (110) respectively with institute
The atomizer (109) stated is connected, and is internally provided with water tank (111), described water tank at the described street lamp body of rod (101)
(111) being provided with silent pump on, described silent pump is connected with described conveying pipe (110), described silent pump and described
Illuminating lamp (107) electrically connect with described accumulator (103) respectively, at described solar panels (102) and described baffle plate
(106) being provided with protective cover between, described protective cover includes the first protective cover (112) and is sleeved on the first described protective cover
(112) second protective cover (113) in outside, described field generator is positioned at described the first protective cover (112) inner side, described
The first protective cover (112) and described the second protective cover (113) on be respectively arranged with through hole, the first described protective cover
(112) through hole and on described the second protective cover (113) mutually staggers setting, and described baffle plate (106) is fire resistant
PVC makes.
Described microcontroller is to use single-chip microcomputer, and its CPU was made up of controller and arithmetical unit, is substantially carried out computing and refers to
Order identifies.Memorizer is the erasable flash memory of 8K, and working power is+5V.The inverting amplifier of agitator, stone is had 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.
Described temperature sensor is DS18B20 sensor, and DS18B20 sensor has a line interface, uses simple side
Just, in actual use without outer member, directly utilize data/address bus and power, measure temperature range bigger.Therefore, make
Relatively wide by scope, purposes is bigger.
Described remote visible light communication system specifically includes:
Manipulator, needs modulates baseband signals to light carrier for visible light communication transmitting terminal, and the effect of manipulator is exactly
Such as OOK modulation, PPM modulation etc., information is first modulated into the signal of telecommunication according to different modulation systems.On manipulator hardware
51 conventional single-chip microcomputer series can be used, in order to reach the requirement of higher speed and precision, it is also possible to select FPGA
Deng.
LED drives, and is used for converting electrical signals to optical signal.LED drives module to be used for driving LED light source
Dynamic function, is converted into optical signal by the signal of telecommunication being adjusted to simultaneously and is loaded on LED light source.Such as 51 single-chip microcomputers, it triggers
Mode is that TTL triggers, and completes to drive LED light source.
LED, is the discharger of visible light communication system, in order to meet the demand of communication system, should select merit 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.For the ease of cooperating with CCD camera, it 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 received 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, by being 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 collimating lens, the dispersion angle of light regulating, in order to for the illumination of different distance and logical
Letter.
Preferably, described PD photosensitive tube be receiving area be 5mm × 5mm, PD photosensitive tube.PD photosensitive tube area connects the most greatly
The luminous power received is the biggest, but responsive bandwidth can be the least.The aspheric collimation lens increase that PD photosensitive tube front end adds area bigger 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
From farther out time, the luminous power that PD photosensitive tube receives is less, and the current signal therefore exported is the least, the most several × 10mA.
Process to carry out follow-up data, need the electric current of PD photosensitive tube output is amplified.
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 shown in Figure 4, described audio coder-decoder is that the WM8960 audio frequency that a low-power consumption, high-fidelity and volume are little compiles solution
Code device, it is integrated with mike, earphone interface and amplifier, therefore greatly reduces quantity and the electricity of external circuit components and parts
Road volume.The analog audio data of mike input carries out audio coding, decoded data warp after the ADC of 24bit samples
After crossing the DAC of 24bit, output is to earphone or speaker.In system, codec transmits voice data by digital interface, passes through
Control interface and 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 time it is ensured that
Voice transfer clearly.
Described purification audio communication system based on optic communication uses intensity modulated and direct detection (IM/DD), i.e. LED to send 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
Time, direct projection link power accounts for the 97.6% of total received power, time after the PD of communication terminal is positioned at LED light source, the most permissible
Ignore the transmitting terminal light interference effect to self receiving terminal.Therefore, uplink downlink all uses white light LEDs to communicate.Institute
State remote visible light communication system to specifically include:
Manipulator, needs modulates baseband signals to light carrier for visible light communication transmitting terminal, and the effect of manipulator is exactly
Such as OOK modulation, PPM modulation etc., information is first modulated into the signal of telecommunication according to different modulation systems.On manipulator hardware
51 conventional single-chip microcomputer series can be used, in order to reach the requirement of higher speed and precision, it is also possible to select FPGA
Deng.
LED drives, and is used for converting electrical signals to optical signal.LED drives module to be used for driving LED light source
Dynamic function, is converted into optical signal by the signal of telecommunication being adjusted to simultaneously and is loaded on LED light source.Such as 51 single-chip microcomputers, it triggers
Mode is that TTL triggers, and completes to drive LED light source.
LED, is the discharger of visible light communication system, in order to meet the demand of communication system, should select merit 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.For the ease of cooperating with CCD camera, it 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 received 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 schematic rather than restrictive, 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, within these belong to the protection of the present invention.
Claims (6)
1. a photovoltaic energy-conservation intelligence absorption haze street lamp, it is characterised in that include；Central processing unit, field-programmable gate array
Column circuits, 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 road-lamp, 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 that visible light wave range responds preferable CCD electrooptical device；Described reception antenna is the optical lens of variable multiple；
Described signal processing circuit adapts with photo-detector, 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 intelligent road-lamp, the street lamp body of rod (101) made including fire resistant PVC and be arranged on institute
The solar panels (102) of the street lamp body of rod (101) upper end stated, the described street lamp body of rod (101) is hollow cylindrical configuration, described
The street lamp body of rod (101) inner side be provided with accumulator (103), described solar panels (102) lower section is provided with electric field and occurs
Device, described field generator electrically connects with described accumulator (103), and described field generator includes being arranged on upper end
Anode tap (104) and the cathode terminal (105) being arranged below, described cathode terminal (105) and described anode tap (104) it
Between the street lamp body of rod (101) on be coated with dust-catching board (121), described dust-catching board (121) is provided with in irregular arrangement
Through-hole structure, described cathode terminal (105) lower section is provided with baffle plate (106), sets in the described street lamp body of rod (101) inner side
Being equipped with conveying pipe (110), described conveying pipe (110) is connected, at described street lamp with described atomizer (109) respectively
The body of rod (101) is internally provided with water tank (111), and described water tank (111) is provided with silent pump, and described silent pump is with described
Conveying pipe (110) be connected, described silent pump and described illuminating lamp (107) respectively with described accumulator (103) electricity
Connecting, be provided with protective cover between described solar panels (102) and described baffle plate (106), described protective cover includes
First protective cover (112) and be sleeved on second protective cover (113) in described first protective cover (112) outside；
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 modulated 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, the rule of modulated signal is presented, 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 road-lamp is single-chip microcomputer, is used for controlling described audio frequency
Coding decoder carries out collection and the compressed encoding of speech data, and by serial ports, collection data are sent to LED driving electricity
Road, described LED drive circuit sends make-and-break signal according to instruction；Photoelectric Detection module controls described PD photosensitive tube and receives optical signal
And it being transported to described intelligent road-lamp, the data of reception are sent to described audio coder-decoder and are decoded by described intelligent road-lamp
Output.
A kind of purification voice system based on optic communication the most 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 combination 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 logic function and each module of logical block or between module and I/O, and finally determine
Function achieved by FPGA, FPGA allows unlimited number of programming.
A kind of purification voice system based on optic communication the most 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.
A kind of purification voice system based on optic communication the most according to claim 1, it is characterised in that
Purification audio communication system based on optic communication uses intensity modulated and directly detects (IM/DD), i.e. LED emission luminous power
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., time 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 transmitting terminal light interference effect to self receiving terminal.
A kind of purification voice system based on optic communication the most 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 after voltage comparator, is input to single-chip microcomputer and processes.
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|---|---|---|---|
| CN201610548637.3A CN106195887A (en) | 2016-07-13 | 2016-07-13 | A kind of photovoltaic energy-conservation intelligence absorption haze street lamp |
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|---|---|---|---|
| CN201610548637.3A CN106195887A (en) | 2016-07-13 | 2016-07-13 | A kind of photovoltaic energy-conservation intelligence absorption haze street lamp |
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