CN107883530A - A kind of air purifier based on visible light communication and remote control - Google Patents
A kind of air purifier based on visible light communication and remote control Download PDFInfo
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- CN107883530A CN107883530A CN201711206211.0A CN201711206211A CN107883530A CN 107883530 A CN107883530 A CN 107883530A CN 201711206211 A CN201711206211 A CN 201711206211A CN 107883530 A CN107883530 A CN 107883530A
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/192—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by electrical means, e.g. by applying electrostatic fields or high voltages
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/20—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation
- F24F8/22—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation using UV light
Abstract
The invention discloses a kind of air purifier based on visible light communication and remote control,Including ethernet communication module,LED communication module and the air purifier for being integrated with Optical Receivers,The ethernet communication module is included with long-range PC,Internet,Ethernet communication circuit,The long-range PC and ethernet communication circuit are connected by wired or wireless mode with Internet network,The core control circuit connection of the ethernet communication Circuits and Systems,The control instruction is sent to ethernet communication circuit by long-range PC by Internet,The core control circuit carries out handling backward LED drive circuit transmission to the control instruction number,Control instruction is modulated and obtains LED light signal of communication by the LED drive circuit,Drive LED illumination lamp group,Optical Receivers on the air purifier receives LED light signal of communication and is converted to control instruction,Control air purifier work.
Description
Technical field
The present invention relates to Smart Home technical field, especially a kind of air based on visible light communication and remote control is net
Change device.
Background technology
LED has the advantages that brightness height, long lifespan, stable performance, the saving energy, and it will turn into follow-on gaffer
Tool.Due to high sensitivity and linear modulation characteristic, therefore illuminator has the ability of transmission signal.With it is traditional infrared and
Radio communication is compared, it is seen that optic communication have transmission power it is high, without electromagnetic interference, need not apply for that frequency spectrum resource and interior will not
There is the advantages that data leak.Illuminating lamp radio communication can realize communication function while illumination, not only saved but also reduced
Overlapping investment, therefore, it is seen that optical communication system has significant Research Significance and larger development prospect, has been acknowledged as one kind
Emerging short distance high-speed radiocommunication system.
With the improvement of people ' s living standards and the communication technology and embedded technology development, smart home is increasingly becoming
The developing direction of following life staying idle at home.Smart home can not only provide the user safe and healthy and comfortable living environment, and
And allow remotely to be checked the various informations parameter in oneself room with wide and controlled the electric equipment in family.Smart home is by various electricity
Device facility and communication equipment are got up by network connection, and keep the coordination of electronic equipment and residential environment, easypro so as to be built into
The information-based inhabitation sky for fitting safety is asked, while needs that people live, work, entertain and exchanged at home are met, there is provided
Security protection, the means of community management.
The content of the invention
The goal of the invention of the present invention is to overcome the shortcomings of art methods, there is provided one kind utilizes remote control and can
See optical communication technique, LED illumination System is combined with the air purifier of interior, the base of intelligent remote control can be realized
In visible light communication and the air purifier of remote control.
For achieving the above object, it is proposed that following technical scheme：
A kind of air purifier based on visible light communication and remote control, including ethernet communication module, LED communication mould
Block and the air purifier for being integrated with Optical Receivers, the ethernet communication module include with long-range PC, Internet, with
Too Network Communication circuit, the long-range PC and ethernet communication circuit are connected by wired or wireless mode and Internet network
Connect, the core control circuit connection of the ethernet communication Circuits and Systems, the control instruction is passed through by long-range PC
Internet is sent to ethernet communication circuit, and the core control circuit carries out handling backward LED to the control instruction number
Drive circuit is transmitted, and control instruction is modulated and obtains LED light signal of communication by the LED drive circuit, drives LED illumination lamp group,
Optical Receivers on the air purifier receives LED light signal of communication and is converted to control instruction, controls air purifier work
Make.
Further, the air purifier includes UV air clarifier, using ultraviolet light to the bacterium in air with
It is the execution unit of air purifier and harmful substance is killed；Sensor data acquisition module, for entering to external signal
Row collection and processing, including motion sensor and chemical sensor；Power circuit block, daily electric main is depressured,
Correspondingly operating voltage is provided for air purifier all parts；AC Motor Control module, single-chip microcomputer are driven by controllable silicon
Optocoupler motor, its conducting and the change of rotating speed are controlled, signal that single-chip microcomputer provides according to sensor, manual key signal pair
The working condition of motor carries out adjustment automatically and manually so that air purifier operated under different mode of operations when
Wait, motor is in the rotating speed of corresponding shelves；Ultraviolet lamp tube control module, optocoupler, driving purple are driven by controllable silicon by single-chip microcomputer
Light lamp tube, and according to the working condition feedback signal of fluorescent tube, judge fluorescent tube whether normal work；Infrared remote control module includes red
External transmitter and receiving circuit, the infrared waveform and sequential of each button transmitting are set；The display control module and button
Control module is used for operation and display to air purifier mode of operation；The Optical Receivers, for receiving LED light group hair
The LED communication signal penetrated, and be converted to control instruction.
Further, the motion sensor is that LHi878 heat releases infrared sensor, for detecting mobile human body infrared
Signal source, when the infrared signal change that human body is launched air purifier is strong, motor speed is accelerated, and strengthens purification of air width
Degree；The chemical sensor is TGS gas sensors, for detecting the imflammable gas such as methane and propane, carbon monoxide, vulcanization
The toxic gases such as hydrogen, and the various gas concentrations such as alcohol, when the gas concentration of interior changes, TGS sensors
Different voltage increments is exported, signal transacting, and the rotating speed of corresponding states adjustment motor are carried out by AVR single chip.
Further, the control system of the air purifier includes master control plate module and drive control module, by daily
Electric main provides 220V power supply, and by transformation, rectification and filtering, 5V and 9V direct current are provided for main control module
Source, ATmega128 single-chip microcomputers will gather the work of signal, key command driving, controlled motor and ultraviolet lamp tube according to sensor；
The drive control module includes system power supply circuit, including bridge rectifier, three-terminal voltage-stabilizing chip LM7805 obtain 5V direct currents
Voltage, LM7809 obtain 9V DC-voltage supplies；Motor driving controling circuit, for realize the starting of motor, commutation, speed governing,
Brake and realize the protection to motor, electric capacity；Ultraviolet tube drive control circuit, realize the conducting control to fluorescent tube and exception
Infomation detection, feedback；Master control plate module includes optical receiving circuit, TGS gas sensor datas Acquisition Circuit, LHi infrared sensings
Device data acquisition circuit, 12864 liquid crystal LCD circuits, function button circuit, AVR ISP program burn writings circuits and AVR single chip
Work and protection circuit.
Further, the ethernet communication module is used to make core control circuit interconnect with extraneous Internet, bears
The conversion of processor and network data is blamed, makes whole system facilitate user to remotely access equivalent to a server on network.
The ethernet communication module is connected by the RJ45 interfaces of standard with the router in the external world, inner setting fixed ip address and
Port, router is facilitated to perform address of cache.The ICP/IP protocol program that C language is write is implanted in ethernet communication module,
With decoding network data and effective control signal can be extracted.Ethernet communication module passes through 8 I/O ports and control core
MCU it is direct-connected, with control core carry out real-time Communication for Power.
Further, the ethernet communication module includes RJ45 Ethernet interfaces, isolating transformer 20F001N, ether
Network switch RTL8019AS, network MCU (STC89C54RD+), memory 62256 and latch 74LS573.RJ45 interfaces can
To access Internet by twisted-pair feeder and extraneous router or hub.The network signal from RJ45 interfaces be transported to every
From network MCU is transported to after transformer, Ethernet converter, the network MCU is connected with main control MCU, the ethernet communication
Module also includes memory, and the memory is connected by a latch with network MCU.
Further, the air purifier is additionally provided with protection circuit, during for overloading misoperation and leaks
When electric, automatically cut off power supply and send alarm signal.
Further, the protection circuit includes alarm sensor, the alarm sensor include temperature sensor and
Smoke Sensor, the temperature sensor and Smoke Sensor are connected with the core control circuit.
Further, the ethernet communication module can use gsm communication module or GPRS communication modules etc. to communicate
Mode substitutes.
The beneficial effect of the invention：
The product that air purifier in the present invention is sterilized and sterilized to room air using ultraviolet, using motion
The Integrated design of two sensor data acquisition modules of sensor and chemical sensor so that this air purifier has to be adopted automatically
Collection and the function of adjust automatically working condition, realize the intellectuality of product, energy saving and it is environmentally friendly the characteristics of.Other remote control
The combination of technology and visible light communication technology, realize the remotely located and open and close to air purifier so that air is net
Changing device realizes long-distance intelligent control, and is combined with illuminator, realizes radio communication, obtains attractive in appearance, succinct user
Experience.
Brief description of the drawings
Fig. 1 is the system architecture diagram of the present invention；
Fig. 2 is the functional block diagram of the present invention；
Fig. 3 is the Control system architecture block diagram of the present invention；
Fig. 4 is ethernet communication modular structure block diagram；
Fig. 5 is isolating transformer circuit connection diagram；
Fig. 6 is LED visible light communication circuit；
Fig. 7 is visible Optical Receivers structured flowchart；
Fig. 8 is preamplifier circuit figure；
Fig. 9 is OPA350 connection circuit diagrams；
Figure 10 is supply voltage circuit.
Embodiment
A kind of air purifier based on visible light communication and remote control of the present invention is made into one below in conjunction with the accompanying drawings
Walk detailed description：
As shown in figure 1, a kind of air purifier based on visible light communication and remote control, including ethernet communication mould
Block, LED communication module and the air purifier for being integrated with Optical Receivers, the ethernet communication module are included with long-range
PC, Internet, ethernet communication circuit, the long-range PC and ethernet communication circuit by wired or wireless mode with
Internet network connects, and the core control circuit connection of the ethernet communication Circuits and Systems, the control instruction is by remote
Journey PC is sent to ethernet communication circuit by Internet, and the core control circuit is handled the control instruction number
Backward LED drive circuit transmission, the LED drive circuit, which modulates control instruction, obtains LED light signal of communication, and driving LED shines
Bright lamp group, the Optical Receivers on the air purifier receive LED light signal of communication and are converted to control instruction, and control air is net
Change device work.
As shown in Fig. 2 the air purifier includes UV air clarifier, using ultraviolet light to the bacterium in air with
It is the execution unit of air purifier and harmful substance is killed；Sensor data acquisition module, for entering to external signal
Row collection and processing, including motion sensor and chemical sensor；Power circuit block, daily electric main is depressured,
Correspondingly operating voltage is provided for air purifier all parts；AC Motor Control module, single-chip microcomputer are driven by controllable silicon
Optocoupler motor, its conducting and the change of rotating speed are controlled, signal that single-chip microcomputer provides according to sensor, manual key signal pair
The working condition of motor carries out adjustment automatically and manually so that air purifier operated under different mode of operations when
Wait, motor is in the rotating speed of corresponding shelves；Ultraviolet lamp tube control module, optocoupler, driving purple are driven by controllable silicon by single-chip microcomputer
Light lamp tube, and according to the working condition feedback signal of fluorescent tube, judge fluorescent tube whether normal work；Infrared remote control module includes red
External transmitter and receiving circuit, the infrared waveform and sequential of each button transmitting are set；The display control module and button
Control module is used for operation and display to air purifier mode of operation；The Optical Receivers, for receiving LED light group hair
The LED communication signal penetrated, and be converted to control instruction.
Preferably, the motion sensor is that LHi878 heat releases infrared sensor, for detecting mobile human body infrared letter
Number source, when the infrared signal that human body is launched air purifier becomes it is strong when, motor speed is accelerated, and strengthens purification of air width
Degree；The chemical sensor is TGS gas sensors, for detecting the imflammable gas such as methane and propane, carbon monoxide, vulcanization
The toxic gases such as hydrogen, and the various gas concentrations such as alcohol, when the gas concentration of interior changes, TGS sensors
Different voltage increments is exported, signal transacting, and the rotating speed of corresponding states adjustment motor are carried out by AVR single chip.
The power circuit block：It is the power supply core of whole control system, the power supply of air purifier is through outside transformation
Device have input 220V alternating voltage, and voltage is depressured by power circuit first, 12V power supplys is converted to, then through bridge type
Rectification obtains 12V dc source with DC converting, then obtains 5V DC voltages using LM7805, it is straight to obtain 9V through LM7809
Voltage is flowed, and 9V powers for LHi878 sensor assemblies after DC filtering, 5V operating voltages are provided for other modules；
The single-phase asynchronous alternating current generator that the motor used in the AC Motor Control module starts for condenser type, motor work
Work provides drive signal under 220V AC powers, and by single-chip microcomputer, and light is driven by controllable silicon by the single-chip microcomputers of ATMEGA 128
Coupling MOC3023 motors, control its conducting and the change of rotating speed, signal, the hand that SCM program will provide according to sensor
Dynamic push button signalling carries out adjustment automatically and manually to the working condition of motor so that air purifier is in different mode of operations
When lower operating, motor is in the rotating speed of corresponding shelves.
The conducting control of ultraviolet tube is to utilize the MCU Instructions of AT mega 128 in the ultraviolet lamp tube control module
Come what is realized.Its control circuit drives optocoupler MOC3023 to pass through come what is realized again by machine controllable silicon
The single-chip microcomputers of ATMEGA 128 drive optocoupler MOC3023 by controllable silicon, drive Philips ultraviolet lamp tubes, and according to the work of fluorescent tube
Make status feedback signal, judge fluorescent tube whether normal work.
The display control module uses SMG12864 liquid crystal displays, and model SMG12864G2-ZK, this is 128
The Chinese character image type LCD MODULE of × 64 dot matrix, can Display of Chinese characters and figure.The major function of liquid crystal display is responsible for aobvious
Show the job information of air purifier, include mode of operation, room-size, ultraviolet lamp tube and screen pack working condition, air
The information such as quality, time set, by the control of ATmega128 single-chip microcomputers, realize that the I/O of data is exchanged.
The key control module includes：Switch " POWER " button, mode of operation button, room-size button, regularly press
Key, lamp tube status reset key, screen pack state reset button.
As shown in figure 3, the control system of the air purifier includes master control plate module and drive control module, by daily
Electric main provides 220V power supply, and by transformation, rectification and filtering, 5V and 9V direct current are provided for main control module
Source, ATmega128 single-chip microcomputers will gather the work of signal, key command driving, controlled motor and ultraviolet lamp tube according to sensor；
The drive control module includes system power supply circuit, including bridge rectifier, three-terminal voltage-stabilizing chip LM7805 obtain 5V direct currents
Voltage, LM7809 obtain 9V DC-voltage supplies；Motor driving controling circuit, for realize the starting of motor, commutation, speed governing,
Brake and realize the protection to motor, electric capacity；Ultraviolet tube drive control circuit, realize the conducting control to fluorescent tube and exception
Infomation detection, feedback；Master control plate module includes optical receiving circuit, TGS gas sensor datas Acquisition Circuit, LHi infrared sensings
Device data acquisition circuit, 12864 liquid crystal LCD circuits, function button circuit, AVR ISP program burn writings circuits and AVR single chip
Work and protection circuit.
Preferably, control system of air purifier includes following device：
ATmega128 single-chip microcomputers, it is typical AVR for 8 Low-Power CMOS microprocessors based on AVR risc architectures
Series monolithic.
FIGARO TGS gas sensors, typical gaseous mass sensor, for detecting the combustibility such as methane and propane
The toxic gases such as gas, carbon monoxide, hydrogen sulfide, and the various gas concentrations such as alcohol.
The infrared thermal releasing sensors of LHi 878, for detecting the infrared letter of mobile human body near air purifier working space
Number.
The liquid crystal displays of SMG 12864, it is the Chinese character image type LCD MODULE of 128 × 64 dot matrix, can Display of Chinese characters
And figure.
Single-phase asynchronous alternating current generator, subsidiary MU series gentle breeze fans.
8W single tube ultraviolet lights, ultraviolet can be launched and carried out disinfection sterilization.
Universal 38K IR signal receptions head, to receive the output waveform of infrared remote-control emitter.
ATmega128 development boards, which includes：ATmega128 single-chip microcomputers, AVR ISP downloaders.
As shown in figure 4, the ethernet communication module includes RJ45 Ethernet interfaces, isolating transformer 20F001N, ether
Network switch RTL8019AS, network MCU (STC89C54RD+), memory 62256 and latch 74LS573.RJ45 interfaces can
To access Internet by twisted-pair feeder and extraneous router or hub.The network signal from RJ45 interfaces be transported to every
From network MCU is transported to after transformer, Ethernet converter, the network MCU is connected with main control MCU, the ethernet communication
Module also includes memory, and the memory is connected by a latch with network MCU.
Preferably, the ethernet communication module is used to make core control circuit interconnect with extraneous Internet, is responsible for
The conversion of processor and network data, whole system is set to facilitate user to remotely access equivalent to a server on network.Institute
State ethernet communication module by the RJ45 interfaces of standard with the router in the external world to be connected, inner setting fixed ip address and end
Mouthful, facilitate router to perform address of cache.The ICP/IP protocol program that C language is write is implanted in ethernet communication module, can
With decoding network data and extract effective control signal.Ethernet communication module passes through 8 I/O ports and control core
MCU is direct-connected, and real-time Communication for Power is carried out with control core.
Preferably, the smart jack is additionally provided with protection circuit, during for overloading misoperation and the when of electric leakage,
Automatically cut off power supply and send alarm signal.
Preferably, the protection circuit includes alarm sensor, and the alarm sensor includes temperature sensor and cigarette
Mist sensor, the temperature sensor and Smoke Sensor are connected with the core control circuit.
Because RJ45 interfaces and RTL8019AS level mismatch, it is necessary to convert level using voltage conversion device, make double
Side can communicate.As shown in figure 5, employ isolating transformer 20F00IN enters line translation to voltage.Wherein, TPIN+ and TPIN-
To receive line, TPOUT+ and TPOUT- is send line, RX+, RX- and TX+ with RJ45 interfaces, TX- respectively after isolating transformation
It is connected.20F001N not only realizes network voltage change, also with anti-interference, filters out the functions such as noise.
Preferably, LED drive circuit employs high-power LED driver LT3474；LT3474 is a with fixed frequency
The voltage-dropping type DC/DC power conversion chips of rate, can be used as the power supply of constant current.The effect of internal sense resistor is prison
Depending on output current value size and realize the accurate regulation of current value, be especially suitable for drive great power LED.The electricity of LT3474 outputs
Flow valuve can be stably maintained in a wider amplitude (35mA to 1A), therefore can be provided for LED one wider
Voltage supply scope, the LED lamp of various rated current can be met.In addition, the PWM light adjusting circuits that LT3474 is carried can be real
Existing 400：1 dimming scope, the common color drifts of LED can be avoided.
As shown in fig. 6, in the LED visible light communication circuit, two pins of core MCU single-chip microcomputers (Enable1 and
Enable2) the Enable Pin as all LED, AND OR NOT gate 74L,S02 two inputs are connected；Under normal condition, two are drawn
Pin keeps high level state, and three switching tubes are off simultaneously, and LED is in the state extinguished.Only when two pins
When being reduced to low level simultaneously, the output end output high level of nor gate, enable switching tube and open, LED visible light communication circuit can
To run well.Therefore, before signal is sent, two enabled pins need to be set to high level, open communication circuit simultaneously；Signal is sent out
After the completion of sending, when enabled pin is set into high level simultaneously, all LED light groups are closed, play a part of to save energy consumption.
The control signal sent by core MCU serial ports output ends TX, launches after visible ray carrier modulation.Use
OOK (binary switch keying) modulation system, with the open and close of unipolarity NRZ sequence control LED.Work as serial ports
During output digit signals " l ", TX is set to high level, and protection switch pipe and operating switch pipe are successively opened, LED illumination loop
Connect, LED is lit；When serial ports output digit signals " 0 ", TX is set to low level, protection switch pipe and operating switch
Pipe is all closed, and LED is extinguished.The on and off of LED correspond to " 1 " and " 0 " of data signal respectively, and LED can be with monolithic
The height of machine serial ports output level and switch, send the visible light signal of high speed stroboscopic.
To prevent heavy current caused by LED drivings from being had an impact to the core MCU of FET source electrode, in LED drivings
Level switching circuit is added before on-off circuit, LED drive current and MCU are kept apart, ensure the normal of control signal
Communication.
As shown in fig. 7, the visible Optical Receivers includes photoelectric switching circuit (photodiode SFH2500), preposition
Amplifying circuit (amplifier OPA380), compare filter circuit (filter comparator OPA350), MCU (single-chip microcomputer STC89C54RD+),
The photoelectric switching circuit receives the optic communication signal that LED light group is sent, into pre-amplification circuit amplification and the comparison
After filter circuit denoising, the serial ports input being transported to after the data signal of Transistor-Transistor Logic level in MCU is converted into.
As shown in figure 8, pre-amplification circuit connects circuit diagram, OPA380 amplifiers are employed, are changed by optical-electrical converter
The photoelectric current gone out is extremely faint, it is necessary to further can just be handled after being amplified with Simulation scale-up circuit.
OPA380 is a high speed, high accuracy, transimpedance amplifier of TIX's production, is put exclusively for photodiode
The front end Enlargement Design of big circuit, have more than 1MHz mutual impedance bandwidth, 90MHz gain bandwidth, 7.5MA Static Electro
Stream, minimum temperature drift value, and use general+5V power voltage supplies.
As shown in figure 9, OPA350 chips are selected in filtering comparison circuit as filtering comparable chip, in+IN inputs
+ 3.2V after input+5V partial pressures is used as comparison voltage.By-IN input irregular data signal after comparator, be more than or
Waveform equal to+3.2V switchs to+5V direct currents, and the waveform portion less than+3.2V switchs to 0V, the output number mutually compatible with Transistor-Transistor Logic level
Word level signal.
As shown in Figure 10, KA7812 and L7805CV are employed in supply voltage circuit as power supply voltage stabilizing chip, two-stage drop
Pressure is set, wherein ,+24V voltages can be changed into stable+12V voltages by KA7812, and L7805CV can become+12V voltages again
For stable+5V voltage outputs, for all chip power supplies.Purpose using two-stage transformation chip is to prevent that pressure drop is excessive
There is the phenomenon of chip overheating.
Embodiments of the invention are described above in conjunction with accompanying drawing, but the invention is not limited in above-mentioned specific
Embodiment, above-mentioned embodiment is only schematical, rather than restricted, one of ordinary skill in the art
Under the enlightenment of the present invention, in the case of present inventive concept and scope of the claimed protection is not departed from, it can also make a lot
Form, these are belonged within the protection of the present invention.
Claims (8)
- A kind of 1. air purifier based on visible light communication and remote control, it is characterised in that including ethernet communication module, LED communication module and the air purifier for being integrated with Optical Receivers, the ethernet communication module include with long-range PC, Internet, ethernet communication circuit, the long-range PC and ethernet communication circuit by wired or wireless mode with Internet network connects, and the core control circuit connection of the ethernet communication Circuits and Systems, the control instruction is by remote Journey PC is sent to ethernet communication circuit by Internet, and the core control circuit is handled the control instruction number Backward LED drive circuit transmission, the LED drive circuit, which modulates control instruction, obtains LED light signal of communication, and driving LED shines Bright lamp group, the Optical Receivers on the air purifier receive LED light signal of communication and are converted to control instruction, and control air is net Change device work.
- A kind of 2. air purifier based on visible light communication and remote control according to claim 1, it is characterised in that The air purifier includes UV air clarifier, and the bacterium in air and harmful substance are gone out using ultraviolet light Kill, be the execution unit of air purifier；Sensor data acquisition module, for being acquired and handling to external signal, bag Include motion sensor and chemical sensor；Power circuit block, daily electric main is depressured, is that air purifier is each Part provides correspondingly operating voltage；AC Motor Control module, single-chip microcomputer drive optocoupler motor, control by controllable silicon It is turned on the change of rotating speed, and signal that single-chip microcomputer provides according to sensor, manual key signal enter to the working condition of motor The adjustment of row automatically and manually so that when air purifier operates under different mode of operations, motor is in corresponding shelves Rotating speed；Ultraviolet lamp tube control module, optocoupler is driven by controllable silicon by single-chip microcomputer, drives ultraviolet lamp tube, and according to fluorescent tube Working condition feedback signal, judge fluorescent tube whether normal work；Infrared remote control module includes infrared transmitter with receiving electricity Road, the infrared waveform and sequential of each button transmitting are set；The display control module and key control module are used for sky The operation and display of gas purifier mode of operation；The Optical Receivers, for receiving the LED communication signal of LED light group transmitting, And be converted to control instruction.
- A kind of 3. air purifier based on visible light communication and remote control according to claim 2, it is characterised in that The motion sensor is that LHi878 heat releases infrared sensor, for detecting mobile human infrared signal source；The chemistry passes Sensor is TGS gas sensors, for detecting the toxic gases such as the imflammable gas such as methane and propane, carbon monoxide, hydrogen sulfide, And the various gas concentrations such as alcohol.
- 4. a kind of air purifier based on visible light communication and remote control according to Claims 2 or 3, its feature exist In the control system of the air purifier includes master control plate module and drive control module, is provided by daily electric main 220V power supply, by transformation, rectification and filtering, provide 5V and 9V dc source for main control module, single-chip microcomputer is by root According to the work of sensor collection signal, key command driving, controlled motor and ultraviolet lamp tube；The drive control module includes System power supply circuit, including bridge rectifier, three-terminal voltage-stabilizing chip LM7805 obtain 5V DC voltages, LM7809 obtains 9V direct currents Pressure power supply；Motor driving controling circuit, for realizing the starting of motor, commutation, speed governing, braking and realizing to motor, electric capacity Protection；Ultraviolet tube drive control circuit, realize the conducting control to fluorescent tube and abnormal information detection, feedback；Master control template die Block includes optical receiving circuit, TGS gas sensor datas Acquisition Circuit, LHi infrared sensors data acquisition circuit, 12864 liquid Brilliant LCD circuits, function button circuit, work and the protection circuit of AVR ISP program burn writings circuits and AVR single chip.
- 5. a kind of air purifier based on visible light communication and remote control according to Claims 2 or 3, its feature exist In the ethernet communication module is used to make core control circuit interconnect with extraneous Internet, is responsible for processor and network The conversion of data；The ethernet communication module includes RJ45 Ethernet interfaces, isolating transformer, ether network switch, network MCU, memory and latch；The RJ45 interfaces can be accessed by twisted-pair feeder and extraneous router or hub Internet；The network signal is transported to network MCU after being transported to isolating transformer, Ethernet converter from RJ45 interfaces, The network MCU is connected with main control MCU, and the ethernet communication module also includes memory, and the memory latches by one Device is connected with network MCU.
- 6. a kind of air purifier based on visible light communication and remote control according to Claims 2 or 3, its feature exist In the air purifier is additionally provided with protection circuit, during for overloading misoperation and the when of electric leakage, automatically cuts off electricity Source simultaneously sends alarm signal.
- A kind of 7. air purifier based on visible light communication and remote control according to claim 6, it is characterised in that The protection circuit includes alarm sensor, and the alarm sensor includes temperature sensor and Smoke Sensor, the temperature Degree sensor and Smoke Sensor are connected with the core control circuit.
- 8. a kind of air purifier based on visible light communication and remote control according to Claims 2 or 3, its feature exist In the ethernet communication module gsm communication module or GPRS communication modules substitute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711206211.0A CN107883530A (en) | 2017-11-27 | 2017-11-27 | A kind of air purifier based on visible light communication and remote control |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711206211.0A CN107883530A (en) | 2017-11-27 | 2017-11-27 | A kind of air purifier based on visible light communication and remote control |
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| CN107883530A true CN107883530A (en) | 2018-04-06 |
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|---|---|---|---|
| CN201711206211.0A Withdrawn CN107883530A (en) | 2017-11-27 | 2017-11-27 | A kind of air purifier based on visible light communication and remote control |
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| Country | Link |
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| CN (1) | CN107883530A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108563137A (en) * | 2018-06-01 | 2018-09-21 | 九阳股份有限公司 | A kind of household electrical appliances coordinated control system |
| CN109067221A (en) * | 2018-10-12 | 2018-12-21 | 中山市标致电子科技有限公司 | A kind of inverter circuit |
| CN110086536A (en) * | 2019-04-29 | 2019-08-02 | 格利尔数码科技股份有限公司 | Intelligent perception system based on LED visible light communication |
| CN116336605A (en) * | 2023-05-29 | 2023-06-27 | 维睿空气系统产品（深圳）有限公司 | Air purifier regulating power supply control system |
-
2017
- 2017-11-27 CN CN201711206211.0A patent/CN107883530A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108563137A (en) * | 2018-06-01 | 2018-09-21 | 九阳股份有限公司 | A kind of household electrical appliances coordinated control system |
| CN109067221A (en) * | 2018-10-12 | 2018-12-21 | 中山市标致电子科技有限公司 | A kind of inverter circuit |
| CN109067221B (en) * | 2018-10-12 | 2020-10-30 | 中山市标致电子科技有限公司 | Inverter circuit and inverter |
| CN110086536A (en) * | 2019-04-29 | 2019-08-02 | 格利尔数码科技股份有限公司 | Intelligent perception system based on LED visible light communication |
| CN116336605A (en) * | 2023-05-29 | 2023-06-27 | 维睿空气系统产品（深圳）有限公司 | Air purifier regulating power supply control system |
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Application publication date: 20180406 |