CN105911915A - Hot-water bottle based on control of mobile internet technology - Google Patents
Hot-water bottle based on control of mobile internet technology Download PDFInfo
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- CN105911915A CN105911915A CN201610384604.XA CN201610384604A CN105911915A CN 105911915 A CN105911915 A CN 105911915A CN 201610384604 A CN201610384604 A CN 201610384604A CN 105911915 A CN105911915 A CN 105911915A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/21—Water-boiling vessels, e.g. kettles
- A47J27/21008—Water-boiling vessels, e.g. kettles electrically heated
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/26—Pc applications
- G05B2219/2613—Household appliance in general
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Automation & Control Theory (AREA)
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- Optical Communication System (AREA)
Abstract
The invention discloses a hot-water bottle based on control of a mobile internet technology. The hot-water bottle comprises a light key module, a light control lock module, a central processor, a field programmable gate array circuit and a power supply circuit. The power supply circuit is connected with the central processor and the field programmable gate array circuit. The power supply circuit is internally provided with a solar cell panel, a voltage stabilizing circuit, a power supply controller and a direct current power supply circuit. A delocking password is emitted out by the light key, the password information is loaded onto an LED lamp of the light key, the information is transmitted to a light detection module of a light control lock by means of free space, and the opening and closing of the hot-water bottle are controlled through comparison information. The hot-water bottle is energy-saving, environmental-friendly and high in safety.
Description
Technical field
The present invention relates to technical field of visible light communication, a kind of hot water controlled based on development of Mobile Internet technology
Kettle.
Background technology
It is known that gate control system is a kind of system being managed gateway.
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 hot-water bottle.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.
One process the longest of the development experience of gate control system, goes so far as present base from mechanical thermal kettle in early days
Electron Heat kettle in less radio-frequency.Mechanical thermal kettle is a typical machinery purely, and that no matter designs is the most smart
Ingeniously, the material of use how hard, people always can be by external force and it opened.And, mechanical thermal kettle be inconvenient to into
The management of row key.In the more office of flow of the people, hotel etc., if there being a people to lost key, then will carry out
The replacing of hot-water bottle, cumbersome.For the consideration of these problems, it is developed electronic magnetic card lock and electronic password lock.Electricity
Sub-magnetic card lock and electronic password lock can solve above problem, make gate control system develop into a brand-new height
Degree.But, they also expose a lot of shortcoming and problem.Such as, the card reader of electronic magnetic card lock and the abrasion of card are compared
Greatly, the information of unblanking on card is easily replicated, and has the biggest hidden danger at secure context.Electronic password lock in safety side
The problem in face is the most prominent, and owing to it is based on wireless technology, password is particularly easy to compromised, and safety problem is not allowed suddenly
Depending on.At present, wireless access control system mainly uses wireless radio-frequency, and this technology has good penetrance, but this characteristic is again
Make radio frequency signal easily by electromagnetic interference, be trapped duplication, cause the leakage of information unblanked to cause property loss.
Development along with white light LEDs device, it is seen that optical communication technique has obtained increasing attention.Visible ray is wireless
Communication system is mainly made up of optical signal launch end and optical signal receiving terminal.At transmitting terminal, the signal of telecommunication is amplified, filtering etc. processes
After, modulation realizes electro-optic conversion in LED component.At receiving terminal, realize opto-electronic conversion by photoelectric detector, and through relevant
Signal processing unit restores raw information.
Current wireless access control system is easily by electromagnetic interference, and the direction of transmission is uncontrollable, and password is easily trapped.But
Visible light communication is a kind of point-to-point transmission mode, the advantage with good confidentiality.Therefore, it can visible light communication technology
Combine with gate inhibition's technology, there is wide utilization prospect.
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 energy-conserving and environment-protective, safety
Height, can be widely used in what the application scenario such as hotel, office building, just visible light communication technology combined with gate inhibition's technology
Energy-saving doors access control system based on visible light communication.
For achieving the above object, it is proposed that following technical scheme: a kind of heat controlled based on development of Mobile Internet technology
Kettle, including central processing unit, on-the-spot standby, LED lamp, reception antenna, Intelligent hot kettle, signal processing circuit；Described power supply electricity
Road connects central processing unit and field programmable gate array respectively；Be provided with in described power circuit solar panel,
Mu balanced circuit, power-supply controller of electric and DC power-supply circuit；Described central processing unit connects optical key module, signal modulation control sets
Standby, LED lamp, reception antenna, Intelligent hot kettle, signal processing circuit；
In described hot-water bottle, integrally disposed controller, water gallbladder temperature measuring circuit, leaving water temperature measuring circuit, water gallbladder are stably controlled
Circuit processed, mixed water management circuit, keyboard, display circuit and optical signal receiving module, described controller receives optical signal and receives
Control instruction after resume module, according to described control instruction, switchs described hot-water bottle, and adjusts water temperature according to control instruction
Degree；Wherein, described water gallbladder temperature measuring circuit obtains the water gallbladder temperature in water gallbladder in real time, and described leaving water temperature measuring circuit is used for
Obtain the leaving water temperature of outlet in real time；Described water gallbladder temperature-control circuit is by controlling the water yield in entrance water gallbladder and electric heating
The size of current of silk controls water gallbladder temperature；Described mixed water management circuit transfers tune by controlling the positive and negative of a direct current generator
The water mixing proportion of joint hot water or cold water, thus adjusting water outlet temperature；Described keyboard is arranged for input temp, and display circuit is used for showing
Show the running status of electric kettle.
Described Intelligent hot kettle also include level sensor, temperature sensor, humidity collection sensor, audible-visual annunciator with
And display circuit, when described Intelligent hot kettle is started working according to control instruction, microcontroller is to described level sensor, temperature
Degree sensor, humidity collection sensor send and perform instruction, it is thus achieved that water yield data signal, room-temperature signal and the room in hot-water bottle
Humidity signal, described water yield data signal, room-temperature signal and indoor humidity signal be amplified, measure by microprocessor,
It is sent to humidify decision circuitry after A/D conversion, controls hot-water bottle and press setup parameter work, data feedback is given described simultaneously
Display circuit carries out the visualization processing of data, is finally reached the purpose that environment carries out intelligent humidification.The wettest when environment
Angle value is higher than during setting value or during hot-water bottle water shortage, and described audible-visual annunciator sends alarm signal；
Described signal modulating equipment is responsible for modulation and is generated the original signal of telecommunication；Described LED lamp is monochromatic LED；Described intelligence
Hot-water bottle is that visible light wave range responds preferable CCD electrooptical device；Described reception antenna is the optical frames of variable multiple
Head；Described signal processing circuit adapts with Intelligent hot kettle, for the process of video electrical signal, and determines light spot received
Shape, size and average received power；It is atmospheric channel between described searchlight and described reception antenna, the light that light source sends
It is transmitted by atmospheric channel；
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 by the software module of intelligent mobile terminal and believes
Breath, 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；By described light
Key sends unlocking cipher, and encrypted message is loaded in the LED of described optical key, by free space, information is passed
It is delivered on the light detection module of described light-dependent control lock, is controlled closedown and the unlatching of hot-water bottle by comparison information.
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 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.
Described optical key module includes key control module, processor module, LED drive module, white light LEDs；Described
Key control module controls processor module and produces key information, and signal passes through LED drive module, signal loading to LED
On lamp.Described light-dependent control lock module includes that Photoelectric Detection module, signal processing module, processor module, light lock controlled module, described
Photoelectric Detection module receives optical signal, processes optical signal, and signal is sent into processor module, and processor module is to close
Key information carries out matching detection, thus produces controlled signal and control the closure or openness of light lock.
Described wireless access control system based on visible light communication uses STC12C2052AD high-speed microprocessor as master control
Chip, utilizes microcomputer series interface communication principle, it is achieved optical key module controls optical coded lock module, thus realizes opening of hot-water bottle
Open or close.
In the technical program, key to be sent is that TTL level signal, i.e.+5V represent high level " 1 ", and 0V represents low electricity
Flat " 0 ".Owing to STC12C2052AD single-chip processor i/o mouth driving force is limited, it is impossible to directly drive LED to realize key
(TTL level) information sends.Therefore, LED drive circuit need to be designed and realize the signal of telecommunication conversion to optical signal.Based on TTL
Signal level feature, selects low cost, small size PNP type paster audion S8550 and related peripheral device thereof, constitutes
LED drive circuit.
Optical key is a kind of transmitting terminal based on single-chip microcomputer STC12C2052AD design.Optical key can send different
Key, is possible not only to open hot-water bottle by different keys, it is also possible to realize other function.Described optical key module is not
One simple man-to-man device, but the device of an one-to-many.
Described light lock controlled module includes that opto-electronic receiver module, decoding judging module, processor module, light lock controlled mould
Block, power module；Wherein, photoelectric detector receives the light beam carrying data message, by opto-electronic conversion, optical signal is changed
Becoming analog electrical signal, be amplified the signal of telecommunication by pre-amplifying module, the signal of telecommunication is through decoding judging module, simulation letter
Number being converted into digital signal, digital signal is input to processor STC12C2052AD process.
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, CCD is as Intelligent hot kettle, firmly in employing
Part equipment uses high frame frequency (more than 100fps), high sensitivity, high-responsivity CCD camera.Camera is with frame frequency identical with light source
Shoot, and design software carry 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 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 directly detection, when determining, by the presence or absence judging light, the information received 0 or 1.Wherein,
" bright " state represents with " 1 ", and " going out " state represents with " 0 ",
Described transmitter module uses white light LEDs, in order to increase transmitting power, uses the LED array of LED array, 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 by the journey write
Sequence completes the acquisition process of the flashlight sending LED.This program is write with MFC for framework, completes to send from camera
The analysis of the pictorial information come 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, has been used for data transmission
Time synchronization, coordinate with Adaptive Transmission module, complete rate-compatible adaptive information transmission.Prepared including data transmission
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 count
According to transmission.
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.
Described photoelectric detector is PIN photodiode.Cost is relatively low, and is easily achieved.
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.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 electric kettle, indoor LED illumination system and electric kettle are combined, electric kettle
The preheating needing a period of time can produce enough hot water for user, and by long-distance intelligent control, user can be
Just start electric kettle before return home, thus improve the Consumer's Experience of electric kettle.Described
It addition, Intelligent hot kettle can achieve remotely control by gsm communication module, user can start intelligence before going home
Energy hot-water bottle, improves indoor air humidity, closes after being away from home, and closes Intelligent hot kettle before even if forgetting to go out, also
Control instruction can be sent by mobile phone, close Intelligent hot kettle, the use time of Intelligent hot kettle of so can making rational planning for,
Postpone service life and save the energy.
Remote visible light communication system, have employed OOK modulation system at transmitting terminal, and OOK bandwidth demand is low, and firmly
Part realizes the simplest, has only to the method by directly detection, determined by the presence or absence judging light and receive when decoding
Information time 0 or 1；Make transmitting terminal cost reasonable；At receiving terminal, CCD is used to make as Intelligent hot kettle, hardware device
With high frame frequency (more than 100fps), high sensitivity, high-responsivity CCD camera；Camera is clapped with frame frequency identical with light source
Take the photograph, and design software carries out collection and the process of data to CCD camera, the rule of modulated signal is presented, obtains phase
The gray value answered, thus complete the transmittance process of information, it is achieved the reception of character string.CCD is as Intelligent hot kettle in selection, its
Sensitivity and responsiveness are more much higher than traditional PIN photodiode.It in contrast to conventional photodiode, use CCD phase
Machine can make the position of light source to clearly indicate out in the picture, so, as long as can interpolate that out the position of signal, and will
Multiple light source can be used, within the ability to accept of receiving terminal, increase exponentially transfer rate.And CCD is as intelligence
Can also be simultaneously used in the middle of APT communication system by hot-water bottle
Optical key and intelligent mobile terminal combine, and android system exploitation mobile phone A AP light key can well be used soft
Part, android system is the operating system increased income based on Linux, is mainly used in mobile terminal (mobile phone peace
Plate) in.Android system is compared with other system platform, has the biggest advantage.Its advantage is topmost is embodied in its
Open.Android system is the system increased income completely, and all of fan and manufacturer can participate in Android system
The exploitation of system, this just development for Android system laid fine basis.Android system has had become as entirely
The system that ball installation amount first is big.Another big advantage of Android system is namely based on the platform of Google, Google
Map, search, the service product such as mailbox, it is possible to seamless is applied in Andriod system.
Described humidity collection sensor is SHT21 sensor, the most not in needs temperature sensor；This sensor can be right
The temperature and humidity of environment is monitored, humidity precision ± 2% (relative humidity 20%～80%), temperature accuracy ± 0.3 DEG C (environment
Temperature 25～42 DEG C).Sensor, through demarcating, had both been provided that I2C digital interface, was also provided that PWM simulates output mode.Because
Digital communication can be substantially reduced power consumption, and in normal operation, power consumption can be within 3 μ W, in the situation extending measurement interval
Under, power consumption also can reduce further.During using SHT21, A/D circuit is digitized signal conversion.In addition,
The resolution of SHT21 can also carry out the change of 8/12bit to 12/14bit by instruction, it is simple to detection state of charge, simultaneously
Output verification and, be favorably improved the reliability of communication.
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 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 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.
Achieve the long-range control to electric kettle, indoor LED illumination system and electric kettle are combined, electric hot water
Kettle needs the preheating of a period of time can produce enough hot water for user, and by long-distance intelligent control, user is permissible
Before return home, just start electric kettle, thus improve the Consumer's Experience of electric kettle.Described
It addition, Intelligent hot kettle can be by remotely controlling, user can start Intelligent hot kettle before going home, improves indoor
Air humidity, closes after being away from home, and closes Intelligent hot kettle before even if forgetting to go out, it is also possible to send control by mobile phone
System instruction, closes Intelligent hot kettle, the use time of Intelligent hot kettle of so can making rational planning for, postpones service life and joint
The about energy.
Heretofore described wireless access control system based on visible light communication uses STC12C2052AD high-speed microprocessor
As main control chip, utilize microcomputer series interface communication principle, it is achieved optical key module controls optical coded lock module, thus realizes heat
Being turned on and off of kettle.Comparing with 51 traditional single-chip microcomputers, STC12C2052AD has the advantage that (1) cost performance
Height, the circuit of STC12C2052AD is fairly simple, and price is the cheapest；(2) STC12C2052AD uses single clock/machine
Device modulus of periodicity formula, some instruction execution compare with 51 single-chip microcomputers, speed is 3 ~ 24 times of 51 single-chip microcomputers；(3) for passing
The program that 51 single-chip microcomputers of uniting are write is used directly for STC12C2052AD single-chip microcomputer, it is not necessary to re-starts and writes journey
Sequence.
Optical key can send different keys, is possible not only to open hot-water bottle by different keys, it is also possible to realizes
Other function.Described optical key module is not a simple man-to-man device, but the device of an one-to-many.
Accompanying drawing explanation
Fig. 1 is gate control system block diagram based on visible light communication；
Fig. 2 is processor module circuit diagram；
Fig. 3 is LED drive circuit figure；
Fig. 4 is man-machine interaction circuit diagram；
Fig. 5 is power circuit；
Fig. 6 is Photoelectric Detection module circuit diagram；
Fig. 7 is voltage comparator circuit figure；
Fig. 8 is hot-water bottle and LED drive circuit；
Fig. 9 is photovoltaic conversion circuit；
Figure 10 is back-pressure circuit.
Detailed description of the invention
Below in conjunction with the accompanying drawings a kind of hot-water bottle controlled based on development of Mobile Internet technology of the present invention is made the most detailed
Describe:
1 as it is shown in figure 1, a kind of hot-water bottle controlled based on development of Mobile Internet technology, including central processing unit, on-the-spot standby, LED
Lamp, reception antenna, Intelligent hot kettle, signal processing circuit；Described power circuit connects central processing unit respectively and scene can be compiled
Journey gate-array circuit；Solar panel, mu balanced circuit, power-supply controller of electric and direct current supply electricity it is provided with in described power circuit
Road；Described central processing unit connect optical key module, signal modulation control equipment, LED lamp, reception antenna, Intelligent hot kettle,
Signal processing circuit；Integrally disposed controller in described hot-water bottle, water gallbladder temperature measuring circuit, leaving water temperature measuring circuit,
Water gallbladder 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 hot-water bottle, and according to control instruction
Adjusting water outlet temperature；Wherein, described water gallbladder temperature measuring circuit obtains the water gallbladder temperature in water gallbladder in real time, and described leaving water temperature is surveyed
Amount circuit is for the leaving water temperature of acquisition outlet in real time；Described water gallbladder temperature-control circuit is by controlling the water in entrance water gallbladder
The size of current of amount and heating wire controls water gallbladder temperature；Described mixed water management circuit is by controlling a direct current generator
The positive and negative water mixing proportion transferring regulation hot water or cold water, thus adjusting water outlet temperature；Described keyboard is arranged for input temp, display
Circuit is for showing the running status of electric kettle.
Described Intelligent hot kettle also include level sensor, temperature sensor, humidity collection sensor, audible-visual annunciator with
And display circuit, when described Intelligent hot kettle is started working according to control instruction, microcontroller is to described level sensor, temperature
Degree sensor, humidity collection sensor send and perform instruction, it is thus achieved that water yield data signal, room-temperature signal and the room in hot-water bottle
Humidity signal, described water yield data signal, room-temperature signal and indoor humidity signal be amplified, measure by microprocessor,
It is sent to humidify decision circuitry after A/D conversion, controls hot-water bottle and press setup parameter work, data feedback is given described simultaneously
Display circuit carries out the visualization processing of data, is finally reached the purpose that environment carries out intelligent humidification.The wettest when environment
Angle value is higher than during setting value or during hot-water bottle water shortage, and described audible-visual annunciator sends alarm signal；
Described signal modulating equipment is responsible for modulation and is generated the original signal of telecommunication；Described LED lamp is monochromatic LED；Described intelligence
Hot-water bottle is that visible light wave range responds preferable CCD electrooptical device；Described reception antenna is the optical frames of variable multiple
Head；Described signal processing circuit adapts with Intelligent hot kettle, for the process of video electrical signal, and determines light spot received
Shape, size and average received power；It is atmospheric channel between described searchlight and described reception antenna, the light that light source sends
It is transmitted by atmospheric channel；
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 by the software module of intelligent mobile terminal and believes
Breath, 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；By described light
Key sends unlocking cipher, and encrypted message is loaded in the LED of described optical key, by free space, information is passed
It is delivered on the light detection module of described light-dependent control lock, is controlled closedown and the unlatching of hot-water bottle by comparison information.
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 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 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.
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, CCD is as Intelligent hot kettle, firmly in employing
Part equipment uses high frame frequency (more than 100fps), high sensitivity, high-responsivity CCD camera.Camera is with frame frequency identical with light source
Shoot, and design software carry 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 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 directly detection, when determining, by the presence or absence judging light, the information received 0 or 1.Wherein,
" bright " state represents with " 1 ", and " going out " state represents with " 0 ",
Described transmitter module uses white light LEDs, in order to increase transmitting power, uses the LED array of LED array, 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 by the journey write
Sequence completes the acquisition process of the flashlight sending LED.This program is write with MFC for framework, completes to send from camera
The analysis of the pictorial information come 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, has been used for data transmission
Time synchronization, coordinate with Adaptive Transmission module, complete rate-compatible adaptive information transmission.Prepared including data transmission
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 count
According to transmission.
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, described wireless access control system based on visible light communication uses STC12C2052AD high speed monolithic
Machine is as main control chip, and STC12C2052AD has 20 pins, VCC(20 pin) it is connected with+5V power supply, GND(10 pin)
Connect with reference to low.Being in the convenient purpose of design, remaining pin is all drawn by label, and identical label represents have between the two
Identical electrical connection.C5, Y1, C6 form crystal oscillating circuit, and it produces the clock frequency required for single-chip microcomputer.C1, R1 composition is multiple
Position circuit is connected with the Rst pin (1 pin) of STC12C2052AD.Download interface and USB turn TTL(PL2303/
CH340) downloading wire is connected, it is simple to use when single-chip microcomputer programming program.
P3.0/Rx D(2 pin) it is the input I/O interface of serial data.
P3.1/Tx D(3 pin) it is serial data outfan I/O interface.P3.2/INT0(pin 6) it is in outside
Disconnected 0 I/O mouth.P3.3/INT1(pin 7) it is external interrupt 1 I/O mouth.P3.4/T0(8 pin) it is outside outer computer
Clock input pin/intervalometer sum counter 0 external clock input I/0 mouth.P3.5/T1(pin 9) it is impulse modulation output
1/ programmable gate array input pin/intervalometer sum counter 1 external clock input I/O mouth.
P1.0 ~ P1.7 is standard I/O mouth/AD ALT-CH alternate channel.
Transmitting terminal circuit signal is mainly by STC12C2052AD process, by P3.1/Tx D(3 pin)
Mouth sends the signal handled well, then by drive circuit, signal loading is sent on LED lamp.
As it is shown on figure 3, S8550L base stage pin (1 foot) is by current-limiting resistance R2 and single-chip microcomputer P3.1(Tx D) pipe
Foot is connected.Its emitter stage pin (2 foot) is connected with LED light source low level input pin.Electric capacity C4 strobes, and filters
Power supply high-frequency noise.Colelctor electrode pin (3 foot) ground connection.When P3.1 mouth output high level, audion S8550L is in cut-off
State, i.e. LED are gone out, and are output as " 0 ".When P3.1 mouth is output as low level, audion S8550L is in saturation, i.e.
LED is bright, is output as " 1 ".This kind of mode designs, and Tx D (p3.1) mouth being because STC12C2052AD is defaulted as high electricity
Flat, using the audion mode of this PNP type to be designed can effectively reduction power.
As shown in Figure 4, human-computer interaction circuit includes switch key, resistance and 74LVC1G11GW chip；Composition.Three
The P1.0 mouth of switch key, S1 and single-chip microcomputer STC12C2052AD is connected；S2's and single-chip microcomputer STC12C2052AD
P1.1 mouth is connected；The P1.2 mouth of S3 and single-chip microcomputer STC12C2052AD is connected.Resistance primarily serves the merit of a current limliting
Energy.74LVC1G11GW chip can provide one three input and door, is operated in the voltage range of 1.65V to 5.5V.
By button S1, S2, S3 are connected with 1,3,6 feet of chip 74LVC1G11GW respectively, constitute one three input with door
Circuit.The interruption 0(P3.2 of single-chip microcomputer STC12C2052AD) it is connected with 4 feet of chip 74LVC1G11, it is achieved S1,
Any button of S2, S3 can trigger external interrupt 0, wakes up single-chip microcomputer up.Designed by foregoing circuit, it is achieved that a light
The different purposes of key, are greatly saved resource.
Power circuit as shown in Figure 5, not only achieves the function of boosting, also achieves the charge function to accumulator.When
When K switch is got on 1, accumulator can be charged.When switching K and getting on 3, can be to 3.8V voltage
Carry out 5V boosting.Booster circuit is mainly by CE8301 chip, inductance L1, diode D2 and electric capacity C1, and C2 forms
's.L1 is mainly used to boost, and the effect of diode is to prevent current reflux, and two electric capacity use as filtering device.Pass through
Circuit can obtain the voltage of 5V at 2 ports of CE8301, comes single-chip microcomputer STC12C2052AD and audion
S8550L is powered, it is ensured that device properly functioning.
As shown in Figure 6, Photoelectric Detection module mainly by preposition across resistance amplifying circuit, high pass filter and main amplifying circuit group
Become.OPA658 is a kind of ultra broadband, low-power consumption, the operational amplifier of end current feedback, has high-conversion rate and low difference increases
The advantage of benefit/phase error.Select OPA658 composition preposition across resistance amplifying circuit, by feedback resistance R6 and compensation electric capacity
C9 realizes the conversion to voltage signal of the faint light current signal.Electric capacity C12 and R8 constitutes high pass filter, is used for filtering
DC component in voltage signal and low frequency background noise.Low noise OP37 amplifier uses amplifies in the same direction, constitutes main amplification
Device.Resistance R6, R4 control amplification, it is achieved the amplification to signal, it is simple to decoding judging module accurate reproduction goes out former
Beginning information.
As it is shown in fig. 7, voltage comparator circuit is made up of LM311 chip, electric capacity, resistance.LM311 pin 2 and resistance
R9 with R11 is connected, it is determined that what threshold voltage i.e. R11 end divided voltage, about 200mv.Electricity when pin 3 input
When pressure is more than 200mv, just it is set to 0 level.When the voltage of pin 3 input is less than 200mv, just it is set
It is set to 1 level.Level"1" and level "0" export from pin 7.Electric capacity C16 and resistance R13 constitutes high pass filter,
Filter the DC component in input voltage signal.Resistance R10, is a pull-up resistor, plays burning voltage output action.Pass through
This circuit, can be converted into corresponding digital signal analogue signal, then the signal changed, be input to single-chip microcomputer
Signal is processed by Rx D (P3.0) mouth accordingly.
As shown in Figure 8, single-chip microcomputer P1.1 mouth is unlocking signal output pin, and it passes through a current-limiting resistance R2 and three poles
Pipe S2(S8550L) base stage be connected, its 4 foot of relay 2 foot, 5 foot control systems, the conducting of 6 feet.Diode D1(1N4148) be
Fly-wheel diode, ensures the steady operation of relay.P6(electric control lock interface) 1 foot is connected with electric control lock positive pole.When P1.1 mouth
During for low level, audion S8550L turns on, and relay 4,6 foot turns on, i.e. electric control lock Guan Bi, it is achieved unlocking function.When
When P1.1 mouth is high level, audion S8550L ends, and relay 4,6 foot disconnects, i.e. electric control lock release, it is achieved shut
Function.Many locks or the function of multiple electrical appliance is controlled for realizing 1 optical key, in Prototype Design, secret except realizing light
Key leaves outside the demo function of hot-water bottle, devises optical key the most simultaneously and sends key information of not sharing the same light and turn on different LED lamps
Function.In figure, P1.0 mouth, P1.2 mouth control the bright of LED by audion S8550L respectively or go out.
As it is shown in figure 9,12V turns the electric capacity composition that 5V main circuit will be by ams1117-5.0 chip and relevant.Defeated
Entering 12V voltage and connect 3 feet of ams1117-5.0, electric capacity C3, C4 realize filter function.1 foot of ams1117-5.0
Ground connection.The 2 foot output 5V voltages of ams1117-5.0, electric capacity C1, C2 strobe.
As shown in Figure 10, back-pressure circuit is made up of TC7662 chip, electric capacity.8 feet of back-pressure chip (TC7662) and
Positive 5V voltage connects, and connects the electric capacity (C11) of a 10uf, 3 feet and 5 foot ground connection between 2 feet and 4 feet, C8,
The electric capacity of two 100n F of C12 does filter capacitor and uses, and output pin (5 foot) just can export the voltage of-5V.This-
The voltage of 5V, can be used to be powered to opa658 and comparator LM311.
Claims (6)
1. the hot-water bottle controlled based on development of Mobile Internet technology, it is characterised in that include that Intelligent hot kettle, central authorities process
Device, on-the-spot standby, LED lamp, reception antenna, signal processing circuit；Described power circuit connects central processing unit respectively and scene can
Programming gate-array circuit；Solar panel, mu balanced circuit, power-supply controller of electric and direct current supply it is provided with in described power circuit
Circuit；Described central processing unit connects optical key module, signal modulation control equipment, LED lamp, reception antenna, intelligent hot water
Kettle, signal processing circuit；
In described hot-water bottle, integrally disposed controller, water gallbladder temperature measuring circuit, leaving water temperature measuring circuit, water gallbladder are stably controlled
Circuit processed, mixed water management circuit, keyboard, display circuit and optical signal receiving module, described controller receives optical signal and receives
Control instruction after resume module, according to described control instruction, switchs described hot-water bottle, and adjusts water temperature according to control instruction
Degree；Wherein, described water gallbladder temperature measuring circuit obtains the water gallbladder temperature in water gallbladder in real time, and described leaving water temperature measuring circuit is used for
Obtain the leaving water temperature of outlet in real time；Described water gallbladder temperature-control circuit is by controlling the water yield in entrance water gallbladder and electric heating
The size of current of silk controls water gallbladder temperature；Described mixed water management circuit transfers tune by controlling the positive and negative of a direct current generator
The water mixing proportion of joint hot water or cold water, thus adjusting water outlet temperature；Described keyboard is arranged for input temp, and display circuit is used for showing
Show the running status of electric kettle.
2. Intelligent hot kettle described in also include level sensor, temperature sensor, humidity collection sensor, audible-visual annunciator and
Display circuit, when described Intelligent hot kettle 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, room-temperature signal and the indoor in hot-water bottle
Moisture signal, described water yield data signal, room-temperature signal and indoor humidity signal are amplified, measure by microprocessor, A/D
It is sent to after conversion humidify decision circuitry, controls hot-water bottle and press setup parameter work, give described display data feedback simultaneously
Circuit carries out the visualization processing of data, is finally reached the purpose that environment carries out intelligent humidification.
3., when the rh value of environment is higher than setting value or during hot-water bottle water shortage, described audible-visual annunciator sends report
Alert signal；
Described signal modulating equipment is responsible for modulation and is generated the original signal of telecommunication；Described LED lamp is monochromatic LED；Described intelligence
Hot-water bottle is that visible light wave range responds preferable CCD electrooptical device；Described reception antenna is the optical frames of variable multiple
Head；Described signal processing circuit adapts with Intelligent hot kettle, for the process of video electrical signal, and determines light spot received
Shape, size and average received power；It is atmospheric channel between described searchlight and described reception antenna, the light that light source sends
It is transmitted by atmospheric channel；
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 by the software module of intelligent mobile terminal and believes
Breath, 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；By described light
Key sends unlocking cipher, and encrypted message is loaded in the LED of described optical key, by free space, information is passed
It is delivered on the light detection module of described light-dependent control lock, is controlled closedown and the unlatching of hot-water bottle by comparison information.
The most according to claim 1 a kind of based on development of Mobile Internet technology control hot-water bottle, it is characterised in that described far
Distance visible light communication system equipment mainly includes transmitting terminal and receiving terminal；Transmitting terminal can use the modulation systems such as OOK, PPM,
The optical signal modulated is launched by light source 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, single-chip microcomputer can be used to coordinate C++ software programming to carry out transmitting terminal
Design of hardware and software, it is achieved the transmission of character string；Receiving terminal, uses CCD to use high frame as Intelligent hot kettle, hardware device
Frequently 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, the rule of modulated signal is presented, obtains corresponding gray scale
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；Institute
The field programmable gate array stated, inside includes configurable logic blocks CLB, input/output module IOB and interconnector
Three parts；FPGA utilizes small-sized look-up table (16 × 1RAM) to realize combination logic, and each look-up table is connected to a D and triggers
The input of device, trigger drives other logic circuits again or drives I/O, thus constituting and both can realize combination logic function
Can realize again 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, and is stored in memorizer list
Value in unit determines the connecting mode between logic function and each module of logical block or between module and I/O, and finally
Determining the function achieved by FPGA, FPGA allows unlimited number of programming.
A kind of hot-water bottle controlled based on development of Mobile Internet technology the most according to claim 2, it is characterised in that described base
Wireless access control system in visible light communication uses STC12C2052AD high-speed microprocessor as main control chip, utilizes single-chip microcomputer
Serial communication principle, it is achieved optical key module controls optical coded lock module, thus realizes being turned on and off of hot-water bottle.
A kind of hot-water bottle controlled based on development of Mobile Internet technology the most according to claim 3, it is characterised in that to be sent
Key is that TTL level signal, i.e.+5V represent high level " 1 ", and 0V represents low level " 0 "；Described LED drive module includes
PNP type paster audion S8550 and related peripheral device thereof, for realizing the signal of telecommunication conversion to optical signal；
The device of described one one-to-many of optical key module；Optical key is one based on single-chip microcomputer STC12C2052AD design
Transmitting terminal；Described light lock controlled module includes that opto-electronic receiver module, decoding judging module, processor module, light lock controlled mould
Block, power module；Wherein, photoelectric detector receives the light beam carrying data message, by opto-electronic conversion, optical signal is changed
Becoming analog electrical signal, be amplified the signal of telecommunication by pre-amplifying module, the signal of telecommunication is through decoding judging module, simulation letter
Number being converted into digital signal, digital signal is input to processor STC12C2052AD process；
Described photoelectric detector is PIN photodiode.
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Cited By (1)
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Application publication date: 20160831 |