CN106066096A - The remotely light-operated Intelligent heating shower system of a kind of Multi net voting - Google Patents
The remotely light-operated Intelligent heating shower system of a kind of Multi net voting Download PDFInfo
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- CN106066096A CN106066096A CN201610380973.1A CN201610380973A CN106066096A CN 106066096 A CN106066096 A CN 106066096A CN 201610380973 A CN201610380973 A CN 201610380973A CN 106066096 A CN106066096 A CN 106066096A
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
Abstract
The invention discloses the remotely light-operated Intelligent heating shower system of a kind of Multi net voting, including Intelligent heating shower system, photo-detector, multiple network appliance, central processing unit, reception antenna, photo-detector, signal processing circuit, power circuit, LED field programmable gate array, power circuit；Described power circuit connects central processing unit and field programmable gate array respectively；It is provided with solar panel, mu balanced circuit, power-supply controller of electric and DC power-supply circuit in described power circuit.Described photo-detector, for network signal is converted to LED light signal, the plurality of network appliance is respectively arranged with light detection module, is used for receiving described LED light signal.The described domestic network system based on visible light communication can simplify communication light source wiring, it will be seen that optical communication technique, power-line carrier communication merge existing home network.
Description
Technical field
The present invention relates to technical field of domestic networks, especially a kind of domestic network system based on visible ray optic communication.
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 Intelligent heating shower system.From ground
Since life is born on ball, just mainly survives with the infrared radiant energy that the sun provides, and also understood with sun dry from ancient human
Part, and as making the method for food, such as salt manufacturing and solarization cured fish etc..In the case that fossil fuel reduces increasingly, solar energy is
Become the mankind and use the important component part of the energy, and be constantly developed.The utilization of solar energy has photothermal deformation and photoelectricity to turn
Changing two ways, solar electrical energy generation is a kind of emerging regenerative resource.Sensu lato solar energy also include tellurian wind energy,
Chemical energy, water energy etc..
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.
LED has the advantages such as brightness height, life-span length, stable performance, the saving energy, and it will become follow-on gaffer
Tool.Due to high sensitivity and linear modulation characteristic, therefore illuminator have transmission signal ability.With traditional infrared and
Radio communication is compared, it is seen that it is high, without electromagnetic interference, without applying for that frequency spectrum resource and indoor will not that optic communication has transmitting power
The advantages such as data leak occur.Illuminating lamp radio communication can realize communication function while illumination, not only energy-conservation but also decrease
Overlapping investment, thus, it can be seen that optical communication system has significant Research Significance and bigger development prospect, has been acknowledged as one
Emerging short distance high-speed radiocommunication system.
Home network (Home Network) is to merge home control network and multimedia network information in the family of one
Informatization platform, be realize in the range of family information equipment, communication equipment, amusement equipment, household electrical appliance, automation equipment,
Lighting apparatus, security personnel's (monitoring) device and water, electricity and gas hotlist equipment, family seek help the apparatus interconnections such as warning and management, and data
The system shared with multimedia messages.The industries such as telecommunications, household electrical appliances, IT are related to.Meanwhile, domestic network system is modern intelligence
The basis of household.
Content of the invention
The goal of the invention of the present invention is, overcomes the deficiency of art methods, provides one and can simplify communication light source
Wiring, it will be seen that optical communication technique, power-line carrier communication merge the family based on visible light communication of existing home network
Front yard network system.
For achieving the above object, it is proposed that following technical scheme:
Including central processing unit, field programmable gate array, power circuit, Intelligent heating shower system, photo-detector, letter
Number modulation control equipment, LED lamp, reception antenna, signal processing circuit, multiple network appliance；Described power circuit connects respectively
Central processing unit and field programmable gate array；
Integrally disposed controller in described Intelligent heating shower system, water courage temperature measuring circuit, leaving water temperature measuring circuit,
Water courage stabilization control circuit, mixed water management circuit, keyboard, display circuit and optical signal receiving module, described controller receives
Control instruction after optical signal receiving module process, according to described control instruction, switchs described Intelligent heating shower system, and root
According to control instruction adjusting water outlet temperature；Wherein, described water courage temperature measuring circuit obtains the water courage temperature in water courage in real time, described
Leaving water temperature measuring circuit is for the real-time leaving water temperature obtaining delivery port；Described water courage temperature-control circuit is entered by control
The size of current of the water yield in water courage and heating wire controls water courage temperature；Described mixed water management circuit is straight by control one
The positive and negative water mixing proportion transferring regulation hot water or cold water of stream motor, thus adjusting water outlet temperature；Described keyboard is used for input temp
Arranging, display circuit is for showing the running status of electricity Intelligent heating shower system.
Described Intelligent heating shower system also includes level sensor, temperature sensor, humidity collection sensor, acousto-optic report
Alert device and display circuit, when described Intelligent heating shower system is started working according to control instruction, microcontroller is to described
Level sensor, temperature sensor, humidity collection sensor send and perform instruction, it is thus achieved that water yield data-signal in humidifier,
Room-temperature signal and indoor humidity signal, microprocessor is to described water yield data-signal, room-temperature signal and indoor humidity signal
Being amplified, measuring, be sent to humidify decision circuitry after A/D conversion, control humidifier press setup parameter and is worked, handle simultaneously
Data feedback carries out the visualization processing of data to described display circuit, is finally reached the purpose carrying out intelligent humidification to environment.
When the rh value of environment is higher than setting value or during humidifier water shortage, described audible-visual annunciator sends alarm signal
Number；
It is provided with solar panel, mu balanced circuit, power-supply controller of electric and DC power-supply circuit in described power circuit, wherein,
Described Intelligent heating shower system is connected with external network by broad band cut-in device, is then connected with personal consumption terminal；Institute
State Intelligent heating shower system and be additionally provided with spare interface, for various expanded application installation be connected；Described central authorities are processed
Device connects optical key module, signal modulation control equipment, LED lamp, reception antenna, signal processing circuit；
Described signal modulating equipment is responsible for modulation and is generated the original signal of telecommunication；Described LED is monochromatic LED；Described optical detection
Device is the preferable CCD electrooptical device of visible light wave range response；Described reception antenna is the optical lens of variable multiple；Institute
State signal processing circuit to adapt with photo-detector, for the process of video electrical signal, and determine the shape of light spot received, big
Little and average received power；Being atmospheric channel between described searchlight and described reception antenna, the light that light source sends is by greatly
Gas channel is transmitted；
Being provided with intelligent mobile terminal in described optical key module, based on intelligent mobile terminal operating system, design is based on virtual
The key of serial ports sends the software module of intelligent mobile terminal, sends out key letter by the software module of intelligent mobile terminal
Breath, 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 optical detection
Device is connected with Intelligent heating shower system by power line communication PLC, for network signal is converted to LED light signal, described
It is respectively arranged with light detection module on multiple network appliances, be used for receiving described LED light signal；LED and be in its range of exposures
The one-way communication unit that interior multiple network appliance composition is closed；Each communication unit described passes through power line communication PLC bus
With the interconnection of Intelligent heating shower system, it is achieved separate two-way communication.
Optionally, described network appliance or LED also can be connected to other control equipment by spare interface.Therefore, should
System can be conveniently embedded in other networks, builds the big system of distributed network.
Home gateway should realize the interconnection between internal unit, connects outer net by various interfaces again, it is achieved information
Mutual and share.Therefore, home gateway is the control centre of whole network system.Home gateway need to have easily operated people
Machine interactive interface, equipment to have small and exquisite, low-power consumption, the feature such as easy for installation simultaneously.
Described Intelligent heating shower system include central processing unit and miniperipheral circuit thereof, power line communication PLC module,
Display, touch modules and peripheral interface；Described peripheral interface includes power supply interface, jtag interface, Ethernet interface, USB
Interface, RS485 interface, RS232 interface, SPI interface；Described touch modules includes touch panel and A/D converter, described central authorities
Processor is connected with touch panel after connecting A/D converter；Described central processing unit be also associated with eeprom memory,
SDROM memory, NORflash flash memory；Described central processing unit is connected with display module by bus cache device, described display
Module includes display controller, display, NANDflash flash memory with VRAM memory.Described RS485 interface and power line communication
PLC module connects, and described power line communication PLC module includes single-chip microcomputer and modem.
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.
System equipment mainly includes transmitting terminal and receiving terminal；Transmitting terminal can use the modulation systems such as OOK, PPM, and light source will
The optical signal modulating is launched with the rule of high speed, light and shade change, uses high-power low beam divergence angle array LED as light
Source, owing to modulation rate is in 100 bit magnitudes, can use single-chip microcomputer to coordinate C++ software programming to carry out the soft or hard of transmitting terminal
Part designs, it is achieved the transmission of character string；Receiving terminal, uses CCD to use high frame frequency as photo-detector, hardware device
(more than 100fps), high sensitivity, high-responsivity CCD camera.Camera shoots with frame frequency identical with light source, and sets
Meter software carries out collection and the process of data to CCD camera, presents the rule of modulated signal, obtains corresponding gray scale
Value, thus complete the transmittance process of information, it is achieved the reception of character string.
Described modulation system is OOK modulation system；OOK bandwidth demand is low, and hardware realizes the simplest, during decoding
Wait the method having only to by direct detection, when determining, by the presence or absence judging light, the information receiving 0 or 1.Wherein,
" bright " state is represented by " 1 ", and " going out " state is represented by " 0 ",
Described transmitter module uses white light LEDs, in order to increase transmitting power, and use LED array, the LED array of specially 3*4,
Each LED power can reach 4W, and beam divergence angle is 5.3o.
Described receiving terminal uses CCD camera to receive, and as a example by 100fps, camera equidistantly shot within 1 second
100 images, after optical information is received down, are stored in the middle of image.
Described light receiver aerial is one group of optical lens, cooperates with CCD camera, configuration motorized zoom lens and volume
Code device, it is possible to achieve computer controls autozoom.
Described remote visible light communication system also includes optical signal data acquisition processing module, for the journey by writing
Sequence completes the acquisition process of the flashlight sending LED.This program is write with MFC for framework, completes to send to from camera
The analysis of the pictorial information coming over and process.When the Frequency Synchronization of light source and camera, camera can be accurately captured light source and send out
The information sent.
Described remote visible light communication system also includes visible light communication data transport module, is used for completing data transmission
When synchronization, coordinate with Adaptive Transmission module, complete rate-compatible adaptive information transmission.Including data transmission prepared
Journey, data rate identification process, data synchronization process, data transmission procedure.It is followed successively by data transmission in order to set up, when continuing
Between be 1T, protection interval 2T；Rate identification code sends time 3T；Protection interval 4T；The data syn-chronization time；Finally enter line number
According to transmission.
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.
The plurality of network appliance is the terminal device of system, including photoelectric conversion module and control module；Described photoelectricity
Modular converter includes preamplifier, wave filter, amplifier and lock-in amplifier；For the photoelectricity circulation that detector is exported
It is changed to voltage signal；Described the control module various simple or complicated control signal of output, have relay, serial line interface,
Switch arrays, the multiple output port of USB, IR infrared ray.
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.WIFI easily by electromagnetic interference, transmission
Direction is uncontrollable, and password is easily trapped.But visible light communication is a kind of point-to-point transmission mode, has good confidentiality
Advantage.
Achieve the long-range control to electricity Intelligent heating shower system, indoor LED illumination system and electricity Intelligent heating are drenched
Bath system combines, and electricity Intelligent heating shower system needs the preheating of a period of time can produce enough hot water for user
Using, by long-distance intelligent control, user can just start electricity Intelligent heating shower system before return home, thus improve electricity
The Consumer's Experience of Intelligent heating shower system.Described
In addition, Intelligent heating shower system can be by long-range control, user can start Intelligent heating shower before going home
System, improves indoor air humidity, closes after being away from home, even if closing Intelligent heating shower system before forgetting to go out,
Also control instruction be can send by mobile phone, Intelligent heating shower system, Intelligent heating shower of so can making rational planning for closed
The use time of system, postpone service life and save the energy.
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.
The domestic network system based on visible light communication of the present invention, has used visible light communication and power line carrier simultaneously
Plc communication.Indoor visible light communication is introduced home network, introduces a kind of new communication mode to domestic network system.With
When, it is seen that optic communication combines with power line carrier plc communication, can avoid the wiring problem that white light LEDs is complicated.Visible
Optic communication is embedded in home network, has promoted development and the application of visible light communication, has had huge market prospects.
Home gateway should realize the interconnection between internal unit, connects outer net by various interfaces again, it is achieved information
Mutual and share.Therefore, home gateway is the control centre of whole network system.Home gateway need to have easily operated people
Machine interactive interface, equipment to have small and exquisite, low-power consumption, the feature such as easy for installation simultaneously.
Brief description
Fig. 1 is the domestic network system block diagram of the present invention；
Fig. 2 is Intelligent heating shower system structural representation；
Fig. 3 is LED drive module structural representation；
Fig. 4 is network appliance structural representation.
Detailed description of the invention
Below in conjunction with the accompanying drawings the Intelligent heating shower system that a kind of Multi net voting of the present invention is remotely light-operated is made further in detail
Describe to the greatest extent:
As it is shown in figure 1, the Intelligent heating shower system that a kind of Multi net voting is remotely light-operated, including Intelligent heating shower system, light are visited
Survey device, multiple network appliance, central processing unit, field programmable gate array, power circuit；
Integrally disposed controller in described Intelligent heating shower system, water courage temperature measuring circuit, leaving water temperature measuring circuit,
Water courage stabilization control circuit, mixed water management circuit, keyboard, display circuit and optical signal receiving module, described controller receives
Control instruction after optical signal receiving module process, according to described control instruction, switchs described Intelligent heating shower system, and root
According to control instruction adjusting water outlet temperature；Wherein, described water courage temperature measuring circuit obtains the water courage temperature in water courage in real time, described
Leaving water temperature measuring circuit is for the real-time leaving water temperature obtaining delivery port；Described water courage temperature-control circuit is entered by control
The size of current of the water yield in water courage and heating wire controls water courage temperature；Described mixed water management circuit is straight by control one
The positive and negative water mixing proportion transferring regulation hot water or cold water of stream motor, thus adjusting water outlet temperature；Described keyboard is used for input temp
Arranging, display circuit is for showing the running status of electricity Intelligent heating shower system.
Described Intelligent heating shower system also includes level sensor, temperature sensor, humidity collection sensor, acousto-optic report
Alert device and display circuit, when described Intelligent heating shower system is started working according to control instruction, microcontroller is to described
Level sensor, temperature sensor, humidity collection sensor send and perform instruction, it is thus achieved that water yield data-signal in humidifier,
Room-temperature signal and indoor humidity signal, microprocessor is to described water yield data-signal, room-temperature signal and indoor humidity signal
Being amplified, measuring, be sent to humidify decision circuitry after A/D conversion, control humidifier press setup parameter and is worked, handle simultaneously
Data feedback carries out the visualization processing of data to described display circuit, is finally reached the purpose carrying out intelligent humidification to environment.
When the rh value of environment is higher than setting value or during humidifier water shortage, described audible-visual annunciator sends alarm signal
Number；
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；Wherein, described Intelligent heating shower system passes through
Broad band cut-in device is connected with external network, is then connected with personal consumption terminal, such as PC, mobile phone etc.；Described intelligence
Heating shower system be additionally provided with spare interface, for various expanded application installation be connected；Described hand central processing unit is even
Connect optical key module；It is provided with intelligent mobile terminal, based on intelligent mobile terminal operating system, design in described optical key module
Key based on virtual serial port sends the software module of intelligent mobile terminal, is sent out by the software module of intelligent mobile terminal
Key information, key information is exported by the min-USB mouth of intelligent mobile terminal；The key information being exported, based on Intelligent sliding
Dynamic terminal OTG function, in external drive module loading to LED, is completed the transmission of key information by LED；Described
Photo-detector is connected with Intelligent heating shower system by power line communication PLC, for network signal is converted to LED light letter
Number, the plurality of network appliance is respectively arranged with light detection module, is used for receiving described LED light signal；LED shines with being in it
The one-way communication unit that multiple network appliance composition in the range of penetrating is closed；Each communication unit described passes through power line communication
PLC bus interconnects with Intelligent heating shower system, it is achieved separate two-way communication.
Preferably, described network appliance or LED also can be connected to other control equipment by spare interface.Therefore, should
System can be conveniently embedded in other networks, builds the big system of distributed network.
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.
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.
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.
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 modulating 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 frame frequency (more than 100fps), high sensitivity, high-responsivity CCD camera.Camera enters with frame frequency identical with light source
Row shoots, and design software carries out collection and the process of data to CCD camera, presents the rule of modulated signal,
To corresponding gray value, thus complete the transmittance process of information, it is achieved the reception of character string.
Described modulation system is OOK modulation system；OOK bandwidth demand is low, and hardware realizes the simplest, during decoding
Wait the method having only to by direct detection, when determining, by the presence or absence judging light, the information receiving 0 or 1.Wherein,
" bright " state is represented by " 1 ", and " going out " state is represented by " 0 ",
Described transmitter module uses white light LEDs, in order to increase transmitting power, and use LED array, the LED array of specially 3*4,
Each LED power can reach 4W, and beam divergence angle is 5.3o.
Described receiving terminal uses CCD camera to receive, and as a example by 100fps, camera equidistantly shot within 1 second
100 images, after optical information is received down, are stored in the middle of image.
Described light receiver aerial is one group of optical lens, cooperates with CCD camera, configuration motorized zoom lens and volume
Code device, it is possible to achieve computer controls autozoom.
Described remote visible light communication system also includes optical signal data acquisition processing module, for the journey by writing
Sequence completes the acquisition process of the flashlight sending LED.This program is write with MFC for framework, completes to send to from camera
The analysis of the pictorial information coming over and process.When the Frequency Synchronization of light source and camera, camera can be accurately captured light source and send out
The information sent.
Described remote visible light communication system also includes visible light communication data transport module, is used for completing data transmission
When synchronization, coordinate with Adaptive Transmission module, complete rate-compatible adaptive information transmission.Including data transmission prepared
Journey, data rate identification process, data synchronization process, data transmission procedure.It is followed successively by data transmission in order to set up, when continuing
Between be 1T, protection interval 2T；Rate identification code sends time 3T；Protection interval 4T；The data syn-chronization time；Finally enter line number
According to transmission.
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, described Intelligent heating shower system includes that central processing unit and miniperipheral circuit thereof, power line lead to
Letter PLC module, display, touch modules and peripheral interface；Described peripheral interface includes power supply interface, jtag interface, ether
Network interface, USB interface, RS485 interface, RS232 interface, SPI interface；Described touch modules includes touch panel and A/D conversion
Device, described central processing unit is connected with touch panel after connecting A/D converter；Described central processing unit is also associated with EEPROM
Memory, SDROM memory, NORflash flash memory；Described central processing unit is connected with display module by bus cache device, institute
Stating display module includes display controller, display, NANDflash flash memory with VRAM memory.Described RS485 interface and electric power
Line communication PLC module connects, and described power line communication PLC module includes single-chip microcomputer and modem.
Wherein, central processing unit uses the ARM9 microprocessor AT91RM9200 of Atmel company, and it is based in ARM920T
Core, with memory management unit, it is convenient to embed the embedded OS of various main flows.PLC module uses PL2102 real
Existing, it has I2C control interface, embedded in AT89C2051 here, it is achieved I2C between PL2102 and AT91RM9200
Interface is to the bridge joint of serial ports, to simplify the complexity of Software for Design.Peripheral interface includes that 10M/100M Ethernet interface, USB connect
Mouth, RS485 interface, RS232 interface, SPI interface.Wherein wireless broadband Internet access uses the Wi-Fi module with USB interface real
Existing.Embedded hardware system with AT91RM9200 chip as core has very strong extensibility, can also extend easily
Other various interfaces, such as bluetooth, Zigbee, GPRS etc..
Home gateway should realize the interconnection between internal unit, connects outer net by various interfaces again, it is achieved information
Mutual and share.Therefore, home gateway is the control centre of whole network system.Home gateway need to have easily operated people
Machine interactive interface, equipment to have small and exquisite, low-power consumption, the feature such as easy for installation simultaneously.
As it is shown on figure 3, described photo-detector includes that power line communication PLC module, micro controller module, AC/DC constant current are driven
Dynamic model block；Described LED uses the mode of series connection to connect, and described micro controller module is used for bridging power line communication PLC and visible
Optic communication VLC；Described AC/DC constant-current driven module constitutes off-line inverse-excitation type constant current source driving circuit, it is achieved the constant electricity of 350mA
Stream output；The conversion of electro-optical signal is realized by switching tube quick on-off LED.
The design principal element to be considered that described LED drives have the overall current-voltage characteristic of white light LEDs, security,
Efficiency, function and other light fixture standard requirements etc..Described microcontroller uses the MSP430F149 core of Texas Instruments
Piece, its major function is to bridge PLC and VLC.AC/DC part uses the NCP1351 chip of ON Semiconductor Corporation,
Constitute off-line inverse-excitation type constant current source driving circuit, it is achieved the constant current output of 350mA.The conversion of electro-optical signal is by switch
Pipe IRF510 quick on-off LED realizes.
As shown in Figure 4, the plurality of network appliance is the terminal device of system, including photoelectric conversion module and control mould
Block；Described photoelectric conversion module includes preamplifier, wave filter, amplifier and lock-in amplifier；For detector is defeated
The photoelectric current going out is converted to voltage signal；The various simple or complicated control signal of described control module output, has relay
Device, serial line interface, switch arrays, the multiple output port of USB, IR infrared ray.Described photoelectric conversion module is to receive visible ray letter
Number key, it is desirable to have very high gain and noise inhibiting ability.Wherein preamplifier uses wideband low noise amplifier
OPA656 constitutes transimpedance preamplifier, and the photoelectric current of detector output is converted to voltage signal.Control module output is various
Simple or complicated control signal, can control household electrical appliance and other equipment such as air-conditioning, refrigerator, sound equipment, micro-wave oven.
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 (5)
1. the remotely light-operated Intelligent heating shower system of a Multi net voting, it is characterised in that include Intelligent heating shower system, light
Detector, signal modulation control equipment, LED lamp, reception antenna, signal processing circuit central processing unit, field-programmable gate array
Column circuits, power circuit, multiple network appliance；Described power circuit connects central processing unit and field-programmable gate array respectively
Column circuits；
Integrally disposed controller in described Intelligent heating shower system, water courage temperature measuring circuit, leaving water temperature measuring circuit,
Water courage stabilization control circuit, mixed water management circuit, keyboard, display circuit and optical signal receiving module, described controller receives
Control instruction after optical signal receiving module process, according to described control instruction, switchs described Intelligent heating shower system, and root
According to control instruction adjusting water outlet temperature；Wherein, described water courage temperature measuring circuit obtains the water courage temperature in water courage in real time, described
Leaving water temperature measuring circuit is for the real-time leaving water temperature obtaining delivery port；Described water courage temperature-control circuit is entered by control
The size of current of the water yield in water courage and heating wire controls water courage temperature；Described mixed water management circuit is straight by control one
The positive and negative water mixing proportion transferring regulation hot water or cold water of stream motor, thus adjusting water outlet temperature；Described keyboard is used for input temp
Arranging, display circuit is for showing the running status of electricity Intelligent heating shower system；
It is provided with solar panel, mu balanced circuit, power-supply controller of electric and DC power-supply circuit in described power circuit, wherein,
Described Intelligent heating shower system is connected with external network by broad band cut-in device, is then connected with personal consumption terminal；Institute
State Intelligent heating shower system and be additionally provided with spare interface, for various expanded application installation be connected；Described central authorities are processed
Device connects optical key module, signal modulation control equipment, LED lamp, reception antenna, signal processing circuit；
Described signal modulating equipment is responsible for modulation and is generated the original signal of telecommunication；Described LED is monochromatic LED；Described optical detection
Device is the preferable CCD electrooptical device of visible light wave range response；Described reception antenna is the optical lens of variable multiple；Institute
State signal processing circuit to adapt with photo-detector, for the process of video electrical signal, and determine the shape of light spot received, big
Little and average received power；Being atmospheric channel between described searchlight and described reception antenna, the light that light source sends is by greatly
Gas channel is transmitted；
Being provided with intelligent mobile terminal in described optical key module, based on intelligent mobile terminal operating system, design is based on virtual
The key of serial ports sends the software module of intelligent mobile terminal, sends out key letter by the software module of intelligent mobile terminal
Breath, 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 optical detection
Device is connected with Intelligent heating shower system by power line communication PLC, for network signal is converted to LED light signal, described
It is respectively arranged with light detection module on multiple network appliances, be used for receiving described LED light signal；LED and be in its range of exposures
The one-way communication unit that interior multiple network appliance composition is closed；Each communication unit described passes through power line communication PLC bus
With the interconnection of Intelligent heating shower system, it is achieved separate two-way communication.
2. the remotely light-operated Intelligent heating shower system of a kind of Multi net voting according to claim 1, it is characterised in that described
Remote visible light communication system equipment mainly includes transmitting terminal and receiving terminal；Transmitting terminal can use the modulation methods such as OOK, PPM
Formula, the optical signal modulating is launched with the rule of high speed, light and shade change, is used high-power low beam divergence angle array by light source
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 carry out sending out
Penetrate the design of hardware and software of end, it is achieved the transmission of character string；Receiving terminal, uses CCD to use height as photo-detector, hardware device
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, obtains corresponding ash
Angle 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.
3. the remotely light-operated Intelligent heating shower system of a kind of Multi net voting according to claim 1, it is characterised in that described
Field programmable gate array, inside includes configurable logic blocks CLB, input/output module IOB and interconnector three
Individual part；FPGA utilizes small-sized look-up table (16 × 1RAM) to realize combinational logic, and each look-up table is connected to a d type flip flop
Input, trigger drives other logic circuits again or drives I/O, thus constitute 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, is stored in memory cell
In value determine the connecting mode between the logic function of logical block and each module or between module and I/O, and finally determine
Having determined the function achieved by FPGA, FPGA allows unlimited number of programming；Sent key is TTL level signal, i.e.+5V
Representing high level " 1 ", 0V represents low level " 0 "；Based on TTL signal level feature, select low cost, small size PNP type
Paster triode S8550 and related peripheral device thereof, constitute LED drive circuit；Optical key is based on single-chip microcomputer
A kind of transmitting terminal of STC12C2052AD design；Optical key can send different keys, and described optical key module is not one
Simple man-to-man device, but the device of an one-to-many.
4. the remotely light-operated Intelligent heating shower system of a kind of Multi net voting according to claim 2, it is characterised in that described
Intelligent heating shower system includes central processing unit and miniperipheral circuit, power line communication PLC module, display, touch
Module and peripheral interface；Described peripheral interface includes that power supply interface, jtag interface, Ethernet interface, USB interface, RS485 connect
Mouth, RS232 interface, SPI interface；Described touch modules includes touch panel and A/D converter, and described central processing unit connects A/
It is connected with touch panel after D converter；Described central processing unit be also associated with eeprom memory, SDROM memory,
NORflash flash memory；Described central processing unit is connected with display module by bus cache device, and described display module includes display
Controller, display, NANDflash flash memory are with VRAM memory；Described RS485 interface is connected with power line communication PLC module,
Described power line communication PLC module includes single-chip microcomputer and modem.
5. photo-detector described in includes power line communication PLC module, micro controller module, AC/DC constant-current driven module；Described
LED uses the mode of series connection to connect, and described micro controller module is used for bridging power line communication PLC and visible light communication VLC；
Described AC/DC constant-current driven module constitutes off-line inverse-excitation type constant current source driving circuit, it is achieved the constant current output of 350mA；Electricity
The conversion of optical signal is realized by switching tube quick on-off LED；
The plurality of network appliance is the terminal device of system, including photoelectric conversion module and control module；Described opto-electronic conversion
Module includes preamplifier, wave filter, amplifier and lock-in amplifier；For being converted to the photoelectric current that detector exports
Voltage signal；The various simple or complicated control signal of described control module output, has relay, serial line interface, switch
Array, the multiple output port of USB, IR infrared ray.
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