CN106388538A - Automatic curtain based on LIFI remote control - Google Patents
Automatic curtain based on LIFI remote control Download PDFInfo
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- CN106388538A CN106388538A CN201610440630.XA CN201610440630A CN106388538A CN 106388538 A CN106388538 A CN 106388538A CN 201610440630 A CN201610440630 A CN 201610440630A CN 106388538 A CN106388538 A CN 106388538A
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- circuit
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- programmable gate
- gate array
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47H—FURNISHINGS FOR WINDOWS OR DOORS
- A47H5/00—Devices for drawing draperies, curtains, or the like
- A47H5/02—Devices for opening and closing curtains
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47H—FURNISHINGS FOR WINDOWS OR DOORS
- A47H5/00—Devices for drawing draperies, curtains, or the like
- A47H5/02—Devices for opening and closing curtains
- A47H2005/025—Devices for opening and closing curtains controlled by electronic sensors
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Abstract
The invention discloses an automatic curtain based on LIFI remote control. The automatic curtain is mainly composed of a central processing unit, a field-programmable gate array circuit, a light key module, an automatic curtain body, a photoelectric detection module, a switching value detection circuit, a white-light LED and a memory circuit, wherein the field-programmable gate array circuit is connected to the automatic curtain body; the switching value detection circuit is connected to the field-programmable gate array circuit; the field-programmable gate array circuit is connected to the photoelectric detection module; the light key module is connected to the field-programmable gate array circuit; a FLASH memory and a random memory are arranged in the memory circuit; and both the FLASH memory and the random memory are connected to the field-programmable gate array circuit. Data is saved in a plurality of memory modes; and by saving the corresponding data by virtue of the different memories, the processing performance of the field-programmable gate array circuit can be effectively improved, and the processing speed of the field-programmable gate array circuit can be accelerated.
Description
Technical field
The present invention relates to technical field of automatic control, specifically, it is a kind of based on LIFI remotely control automatic curtain.
Background technology
Solar energy（solar energy）, refer to the infrared radiant energy of the sun（The three kinds of modes propagated referring to heat energy）, mainly
Performance is exactly the sunray often said.The modern times be typically used as generate electricity or for water heater provide the energy.From life on earth birth
Since life, the just main infrared radiant energy existence being 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 that Fossil fuel reduces increasingly, solar energy has become the mankind and has used
The important component part of the energy, and be constantly developed.Solar energy using having 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 occurred hydrogen helium fusion to discharge huge nuclear energy and produced by solar interior hydrogen atom, 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 body.Coal, oil, natural gas etc. are changed
Stone fuel is also the primary energy being formed through very long geological epoch differentiation by the animals and plants that ancient times are embedded in underground.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.
Based Intelligent Control（intelligent controls）Intelligent machine can independently be driven in the case of unmanned the intervention
Realize the automatic control technology of control targe.Control theory is developed so far the history of existing more than 100 year, experienced " classical control
Theory " and the developmental stage of " modern control theory ", have been enter into " theory of large scale system " and " Intelligent Control Theory " stage.Intelligence is controlled
The theoretical research of system and application are expansions in depth and range for the modern control theory.Since the eighties in 20th century, information skill
The development of art, the fast development of computing technique and other related disciplines and interpenetrating, has also promoted Control Science and Engineering to grind
That studies carefully deepens continuously, and control system has become a kind of trend to the development of intelligence control system.
Automatization（Automation）Refer to machinery equipment, system or process（Produce, manage process）In nobody or relatively
Under the direct participation of few people, according to the requirement of people, judge, manipulate control through automatic detection, information processing, analysis, realize pre-
The process of the target of phase.Automatic technology be widely used in industry, agricultural, military affairs, scientific research, transportation, commercially, medical treatment,
The aspect such as service and family.Using automatic technology not only can people from heavy physical work, part mental work and
Badly, free in dangerous working environment, and the organ dysfunction of people can be extended, be greatly enhanced labor productivity, increase
The ability that strong man's class is understood the world and changed it.
FLASH memory（FLASH flash memory）, English name is " Flash Memory ", commonly abbreviated as " Flash ", it
Belong to one kind of memory devices, be a kind of fixedness（Non-Volatile）Internal memory.The physical characteristics of flash memory are interior with common
There is the difference of essence：All kinds of DDR, SDRAM or RDRAM broadly fall into volatile memory at present, as long as stopping electric current supply
Data in internal memory just cannot keep, and therefore booting computer is required for a data and is again loaded into internal memory every time；Flash memory is not having electricity
Also muchly data can be kept, its storage characteristics is equivalent to hard disk, and this characteristic exactly flash memory is able under conditions of stream supply
Become the basis of the storage medium of all kinds of pocket digital devices.
Flash memory is nonvolatile storage, can carry out erasable and reprogram to the memory cell block of referred to as block.Appoint
The write operation of what flash device can only be carried out in sky or the unit of erasing, so in most cases, is being write
Erasing must be first carried out before operation.NAND device execution erasing operation is foolproof, and NOR then requires wiped
Front first position all of in object block is all written as 0.
It is to be carried out with the block of 64～128KB during due to erasing NOR device, the time of one write/erase operation of execution
For 5ms, in contrast, erasing NAND device is to be carried out with the block of 8～32KB, and execution identical operation at most only needs to 4ms.
During execution erasing, the difference of block size has widened the performance gap between NOR and NADN further, and statistics shows, right
In given a set of write operation (when especially updating small documents), more erasing operations must be in the unit based on NOR
Carry out.So, when selecting storage solution, designer must be balanced against following every factor：The reading rate of NOR compares NAND
Slightly faster；The writing speed of NAND is fast more a lot of than NOR；The 4ms erasing speed of NAND is fast more than the 5ms of NOR；Great majority write
Operation needs first to carry out erasing operation；The erasing unit of NAND is less, and corresponding erasing circuit is less.
Random access memory（Random access memory, RAM）Also referred to as " random access memory ", it is straight with CPU
Connect the internal storage of exchange data, be also main memory (internal memory).It can be read and write at any time, and speed is quickly, usually as behaviour
Make the ephemeral data storage medium of system or other programs in being currently running.
The content of memory element can arbitrarily be taken out on demand or is stored in, and the speed accessing is unrelated with the position of memory element
Memorizer.This memorizer will lose its storage content when power is off, therefore be mainly used in storing the program of short time use.According to
The operation principle of memory element, random access memory is divided into SRAM again（English：Static RAM, SRAM) and dynamic
Random access memory（English Dynamic RAM, DRAM).
Have the property that：
Random access memory, so-called " random access memory ", refer to when the data in memorizer is read or written, required time
Unrelated with the position that this segment information is located or the position that write.Relative, read or write sequence accesses（Sequential
Access）During information in storage device, its required time and position will have relation.It is mainly used to deposit operation system
System, various application program, data etc..
Volatibility, when electrical power is off RAM be unable to retention data.If necessary to preserve data, it is necessary for them to write
In one long-term storage device（Such as hard disk）.RAM with ROM compares, and both maximum differences are that RAM preserves after power-off
Superincumbent data can disappear automatically, and ROM will not disappear automatically, can power-off for a long time preserve.
To electrostatic sensitive, as other fine integrated circuits, random access memory is very quick to the electrostatic charge of environment
Sense.The electric charge of electrostatic meeting disturbance storage inner capacitor, is led to that data runs off, or even burns out circuit.So touching random access memory
Before memorizer, first should touch metallic ground with handss.
Access speed, it is the fastest that modern random access memory is almost write and reading speed in all access equipments
, the storage device that access delay is related to mechanical action with other is compared, and also seems insignificant.
Need to refresh（Regeneration）, the random access memory dependence capacitor data storage in modern times.After capacitor is fully charged
Represent 1 (binary system), uncharged represent 0.Because capacitor more or less has the situation of electric leakage, if especially not processing, number
Gradually run off in time according to meeting.Refresh and refer to periodically read the state of capacitor, then according to original state is electric capacity again
Device charges, and makes up the electric charge that lost.Need to refresh the volatibility just explaining random access memory.
Content of the invention
It is an object of the invention to designing one kind to be based on LIFI remotely control automatic curtain, meeting machine and automatically controlling institute
Need, carry out data storage using multiple memory modules, and according to different needs, processed to corresponding using different memorizeies
Data is stored, thus effectively improving the process performance of field programmable gate array, improving its processing speed, reaching
The more smooth purpose of the operation of robot, whole system have design science rationally, safety and stability, practical the features such as.
The present invention is achieved through the following technical solutions：One kind is based on LIFI remotely control automatic curtain, mainly by centre
Reason device, field programmable gate array, optical key module, automatic curtain, signal modulation control device, LED lamp, reception sky
Line, signal processing circuit, Photoelectric Detection module, switching quantity detection circuit, white light LEDs and storage circuit composition, described centre
Reason device connects field programmable gate array, signal modulation control device, LED lamp, reception antenna, signal processing circuit；
Described automatic curtain includes core processor module, LED light receiving circuit, memory module, key-press module, power supply guarantor
Shield and level switch module, relay module；Described relay module includes relay circuit and travel switch, wherein said row
Cheng Kaiguan is located on automatic curtain rail, is connected with the described relay circuit within controller by wire；Core processor
Realize the selection of power supply wiring point by the break-make of control relay, described relay module includes 2 relays, by relay
Rotating and reverse of motor is realized in connecting or disconnecting of device, thus realizing the opening and closing of curtain；Described 2 relays return
Also connected with the normally-closed contact of 2 travel switches respectively in road；When curtain has fully opened or closes, system can be automatic
Power supply is disconnected, the generation of pre- anticollision, and position signalling can be sent to controller by the normally opened contact of travel switch；Described
LED light receiving circuit receives the LED communication signal of LED illumination lamp group and is converted into control instruction and is transported to core processor；Institute
State power protection and include power protection part and level converting section with level switch module, described level converting section is to daily
220 V alternating voltages are converted to 5 V direct voltage outputs by electric main；Described power protection part is one and power supply
The electric fuse of input series connection；Described key-press module includes a free-standing button, is used for realizing system reboot and recovers initial
Setting.
Described central processing unit connects optical key module, signal modulation control device, LED lamp, reception antenna, optical detection
Device, signal processing circuit；Described signal modulation equipment is responsible for modulating the original signal of telecommunication of generation；Described LED lamp is monochromatic
LED；Described photo-detector is that visible light wave range responds preferable CCD electrooptical device；Described reception antenna is variable multiple
Optical lens；Described signal processing circuit is adapted with photo-detector, for the process of video electrical signal, and determines reception
The shape of hot spot, size and average received power；It is atmospheric channel between described searchlight and described reception antenna, light source is sent out
The light going out is transmitted by atmospheric channel；Described remote visible light communication system equipment mainly includes transmitting terminal and reception
End；Transmitting terminal can use the modulation system such as OOK, PPM, and the optical signal modulating is entered by light source with the rule of high speed, light and shade change
Row transmitting, using high-power low beam divergence angle array LED as light source, because modulation rate is in 100 bit magnitudes, can adopt
Coordinate C++ software programming to carry out the design of hardware and software of transmitting terminal with single-chip microcomputer, realize the transmission of character string；Receiving terminal, adopts
CCD uses high more than frame frequency 100fps, high sensitivity, high-responsivity CCD camera as photo-detector, hardware device；Phase
Machine is shot with frame frequency identical with light source, and design software carries out collection and the process of data to CCD camera, will modulate
The rule of signal presents, and obtains corresponding gray value, thus completing the transmittance process of information, realizes the reception of character string；
Described charging socket is arranged at the side of door close；Further, to better implement the present invention, described random access memory adopts
SRAM and/or dynamic RAM.It is provided with intelligent mobile terminal, based on intelligence in described optical key module
Mobile terminal operating system, the key based on virtual serial port for the design sends the software module of intelligent mobile terminal, by intelligent sliding
The software module of dynamic terminal sends out key information, and key information is exported by the min-USB mouth of intelligent mobile terminal；Exported
Key information, based on intelligent mobile terminal OTG function, in external drive module loading to LED, by LED Lai complete
Become the transmission of key information.
Further, to better implement the present invention, it is provided with encoder, motion controller, PWM in described automatic curtain
Power amplifier, DC servo motor, described field programmable gate array connects encoder, and described encoder connects motor control
Device, described motion controller connects PWM power amplifier, and described PWM power amplifier connects DC servo motor, and described DC servo motor connects
Encoder.
Further, to better implement the present invention, it is provided with light-sensitive element receptor, anti-in described optical key module
Penetrate mirror, light source, modulation waveform generator, modulation waveform processor and modulated amplifier, described field programmable gate array
Connect modulation waveform generator, described modulation waveform generator connects light source, described light source connects reflecting mirror, described reflecting mirror is even
Connect light-sensitive element receptor, described light-sensitive element receptor connects modulated amplifier, described modulated amplifier connects modulation waveform
Processor, described modulation waveform processor connects field programmable gate array.
Further, to better implement the present invention, be provided with described white light LEDs solar panel, mu balanced circuit,
Power-supply controller of electric and DC power-supply circuit, described solar panel connects mu balanced circuit, and described mu balanced circuit connects power supply control
Device processed, described power-supply controller of electric connects DC power-supply circuit, and described DC power-supply circuit connects central processing unit and scene respectively
Programmable gate array circuit.
Further, to better implement the present invention, it is additionally provided with accumulator battery in described white light LEDs, described accumulator
Group connects power-supply controller of electric.
Further, to better implement the present invention, also include parameter storage, described parameter storage connects centre
Reason device.
Further, to better implement the present invention, described field programmable gate array master chip adopts Cyclone
III.
Further, to better implement the present invention, described central processing unit adopts TMS570LS1114 microcontroller.
The present invention compared with prior art, has advantages below and beneficial effect：
（1）The present invention meets robot and automatically controls required, carries out data storage using multiple memory modules, and according to different
Need, using different memorizeies, corresponding processing data is stored, thus effectively improving field programmable gate array
The process performance of circuit, improves its processing speed, reaches the more smooth purpose of the operation of machine, and whole system has design department
Learn rationally, safety and stability, practical the features such as.When the various kinds of sensors being connected in VISIBLE LIGHT EMISSION module, (smog senses
Device, temperature sensor) find that disaster when occurring, can send alarm signal to the core control circuit of this module immediately.Core control
Circuit processed sends alarm signal immediately in ethernet communication module, issues the user with warning information by the Internet simultaneously.Should
Automatic curtain should be able to control the power supply of electrical equipment on socket by cut-offfing power supply, or frame control that the port of electrical equipment is said the word
System, the household electrical appliances of control include air-conditioning, electric cooker, automatic curtain etc..Automatic curtain is communicated with core control circuit, will
Data sends the order of master controller or response master controller to it is ensured that the normal work of intelligent domestic system.Automatic curtain
Constitute effective communication network with master controller, fast and stable is answered in communication.
In addition, automatic curtain can achieve remotely control by gsm communication module, user can start before going home
Automatic curtain, improves indoor air humidity, closes after being away from home, even if closing automatic curtain before forgetting to go out, also may be used
So that control instruction is sent by mobile phone, close automatic curtain, the use time of automatic curtain of so can making rational planning for, postpone to make
With life-span and energy saving.Described microcontroller is to adopt single-chip microcomputer, and its CPU was made up of controller and arithmetical unit, mainly
Enter row operation and instruction identification.Memorizer is the erasable flash memory of 8K, and working power is+5V.There is the anti-of agitator inside it
Phase amplifier, quartz crystal and ceramic resonator collectively form self-excited oscillator.Pin is simple and reliable, powerful, uses
Convenient, and there is low power idle and power-down mode.
（2）The present invention is combined and is entered by automatic technology, intelligent control technology and microprocessor control technology
Row system controls so that robot can efficiently accomplish set workflow in use, using microcontroller with now
The center control technology that field programmable gate array combines, improves the process performance of whole system and treatment effeciency so that whole
System operation is more stable, and effectively reduces fault rate；And design and be powered using the solar energy in clean energy resource so that whole
Individual system structure can reduce the loss of non-renewable energy resources, can also meet under vile weather still normal work simultaneously, reach
The purpose of round-the-clock system work in 24 hours.
（3）Robot is effectively ensured in optical key module of the present invention to be moved in operation area, without going out
Now because carrying out the generation of motion generation accident beyond operation area.
（4）Random access memory of the present invention can further improve the process performance of field programmable gate array,
During operation, static memory is made cache memory (Cache) and is used, and dynamic memory makees main storage and uses.
（5）Accumulator of the present invention disclosure satisfy that illuminance so that solar energy is generated electricity or when night according to
So meet and whole system is powered.
（6）The present invention to complete motor using PWM modulation signal and the velocity modulation of steering wheel, direction are modulated so as to run
More stablize safety；Remote visible light communication system, employs OOK modulation system in transmitting terminal, OOK bandwidth demand is low, and
And hardware realization is the simplest, only needs to the method by direct detection, connect by judging that the presence or absence of light to determine when decoding
0 or 1 during the information receiving；Make transmitting terminal cost reasonable；In receiving terminal, using CCD as photo-detector, hardware device
Using 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 completing the transmittance process of information, realizes the reception of character string.Select CCD as photo-detector, its spirit
Sensitivity and responsiveness are more much higher than traditional PIN photodiode.In contrast to conventional photodiode, using CCD camera
The position that light source can be made can clearly indicate out in the picture, so, as long as can interpolate that out the position of signal, in the future
Multiple light sources can be used, within the ability to accept of receiving terminal, increase exponentially transfer rate.And CCD visits as light
Survey device can also be simultaneously used in the middle of APT communication system.
Brief description
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, below will be attached to use required in embodiment
Figure is briefly described it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, and it is right to be therefore not construed as
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other related accompanying drawings.
Fig. 1 is overall structure diagram of the present invention.
Specific embodiment
With reference to specific embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited to
This.
Embodiment 1：
One kind is based on LIFI remotely control automatic curtain, as shown in figure 1, mainly by central processing unit, field programmable gate array
Circuit, optical key module, automatic curtain, signal modulation control device, LED lamp, reception antenna, signal processing circuit, photoelectricity
Detection module, switching quantity detection circuit, white light LEDs and storage circuit composition, described central processing unit connects field programmable gate
Array circuit, signal modulation control device, LED lamp, reception antenna, signal processing circuit；Described automatic curtain is included at core
Reason device module, LED light receiving circuit, memory module, key-press module, power protection and level switch module, relay mould
Block；Described relay module includes relay circuit and travel switch, and wherein said travel switch is located on automatic curtain rail,
It is connected with the described relay circuit within controller by wire；Core processor realizes electricity by the break-make of control relay
The selection of source wiring point, described relay module includes 2 relays, realizes motor by connecting or disconnecting of relay
Rotate and reverse, thus realizing the opening and closing of curtain；Described 2 relay circuits are also normal with 2 travel switches respectively
Closed contact is connected；When curtain has fully opened or closes, power supply can be disconnected by system automatically, the generation of pre- anticollision,
And position signalling can be sent to controller by the normally opened contact of travel switch；Described LED light receiving circuit receives LED illumination lamp
The LED communication signal of group is simultaneously converted into control instruction and is transported to core processor；Described power protection and level switch module bag
Include power protection part and level converting section, described level converting section is to daily electric main by 220 V alternating voltages
Be converted to 5 V direct voltage outputs；Described power protection part is an electric fuse connected with power input；Described press
Key module includes a free-standing button, is used for realizing system reboot and recovers initial setting up.
Described central processing unit connects optical key module, signal modulation control device, LED lamp, reception antenna, optical detection
Device, signal processing circuit；Described signal modulation equipment is responsible for modulating the original signal of telecommunication of generation；Described LED lamp is monochromatic
LED；Described photo-detector is that visible light wave range responds preferable CCD electrooptical device；Described reception antenna is variable multiple
Optical lens；Described signal processing circuit is adapted with photo-detector, for the process of video electrical signal, and determines reception
The shape of hot spot, size and average received power；It is atmospheric channel between described searchlight and described reception antenna, light source is sent out
The light going out is transmitted by atmospheric channel；Described remote visible light communication system equipment mainly includes transmitting terminal and reception
End；Transmitting terminal can use the modulation system such as OOK, PPM, and the optical signal modulating is entered by light source with the rule of high speed, light and shade change
Row transmitting, using high-power low beam divergence angle array LED as light source, because modulation rate is in 100 bit magnitudes, can adopt
Coordinate C++ software programming to carry out the design of hardware and software of transmitting terminal with single-chip microcomputer, realize the transmission of character string；Receiving terminal, adopts
CCD uses high more than frame frequency 100fps, high sensitivity, high-responsivity CCD camera as photo-detector, hardware device；Phase
Machine is shot with frame frequency identical with light source, and design software carries out collection and the process of data to CCD camera, will modulate
The rule of signal presents, and obtains corresponding gray value, thus completing the transmittance process of information, realizes the reception of character string；
Described charging socket is arranged at the side of door close；Operationally, whole system needs to control multiple motor and travel switch,
And carry out Photoelectric Detection, for improving process performance, speed up processing, extend out existing on the basis of central processing unit control process
Field programmable gate array circuit come to carry out such as Photoelectric Detection, Motor drive detection, servo driving detection, switching value, with
Improve the process performance of whole system.Wherein, field programmable gate array（FPGA）Circuit, employs logical cell array LCA
（Logic Cell Array）Such a concept, internal inclusion configurable logic blocks CLB（Configurable Logic
Block）, input/output module IOB（Input Output Block）And interconnector（Interconnect）Three parts；Existing
Field programmable gate array（FPGA）It is programming device, with conventional logic circuit and gate array（As PAL, GAL and CPLD device）
Compare, FPGA has different structures.FPGA utilizes small-sized look-up table（16×1RAM）To realize combination logic, each look-up table
It is connected to the input of a d type flip flop, trigger to drive other logic circuits again or to drive I/O, thus constitutes and both may be used
Realize the basic logic unit module that combination logic function can achieve sequential logic function again, these intermodules utilize metal connecting line
Interconnect or be connected to I/O module.The logic of FPGA is to load programming data by internally static storage cell to realize
, storage value in a memory cell determines between the logic function of logical block and each module or between module and I/O
Connecting mode, and finally determine the function achieved by FPGA, FPGA allows unlimited number of programming.
In signal processing, for ease of making robot run in the region of regulation, it particularly is provided with optical key mould
Block, operationally, what field programmable gate array was formed controls the signal of steering wheel motion will be loaded onto Photoelectric Detection mould
The servos control of direction controlling class, when controlling, the letter of the PWM being generated in Photoelectric Detection module such as complete to turn in block
Number just it is capable of the corner of quick regulation steering wheel, thus realizing the direction controlling of robot；Switching quantity detection circuit is used for completing electricity
Switching value data detection during the system operation of road.
For improving the performance of field programmable gate array processing data, data is called by performance requirement, carries
High processing rate, spy adopts multiple data model storages, is preferably provided with FLASH memory and random access memory as scene
The storage circuit of programmable gate array circuit uses, and operationally, FLASH memory adopts SPR4096A, is mainly used to store
Field programmable gate array Backup Data, running status, handling duration etc. need the data letter that longer-term storage uses
Breath.SPR4096A FLASH has following feature：The memory space of 512K × 8；The SRAM of embedded 4K × 8；Outer CPU can
To access Flash/SRAM by serial line interface or 8 parallel-by-bit interfaces；The voltage range of I/O interface is 2.25～3.6 V, and
Support the battery saving mode of stand by.The cost of system can be substantially reduced.When using, in data handling procedure, scene can
Programming gate-array circuit can efficiently accomplish data exchange with reference to random access memory and FLASH memory, to reach good data
Treatment effect.
When the various kinds of sensors (Smoke Sensor, temperature sensor) being connected in VISIBLE LIGHT EMISSION module finds that disaster goes out
Now, alarm signal can be sent to the core control circuit of this module immediately.Core control circuit sends alarm signal immediately and arrives
In ethernet communication module, warning information is issued the user with by the Internet simultaneously.This automatic curtain should be able to by cut-offfing power supply,
To control the power supply of electrical equipment on socket, or frame control that the port of electrical equipment is said the word, the household electrical appliances of control include air-conditioning, electricity
Rice cooker, automatic curtain etc..Automatic curtain is communicated with core control circuit, transfers data to master controller or response master
The order of controller is it is ensured that the normal work of intelligent domestic system.Automatic curtain constitutes effective communication network with master controller
Network, fast and stable is answered in communication.
In addition, Intelligent socket can achieve remotely control by gsm communication module, user can start before going home
Intelligent socket, improves indoor air humidity, closes after being away from home, even if closing Intelligent socket before forgetting to go out, also may be used
So that control instruction is sent by mobile phone, close Intelligent socket, the use time of Intelligent socket of so can making rational planning for, postpone to make
With life-span and energy saving.Described remote visible light communication system specifically includes：
Manipulator, needs modulates baseband signals to light carrier for visible light communication transmitting terminal, the effect of manipulator is exactly
Will be according to different modulation systems, such as OOK modulation, PPM modulation etc., information is first modulated into the signal of telecommunication.On manipulator hardware
In order to reach the requirement of higher speed and precision, can also select FPGA using 51 conventional single-chip microcomputer series
Deng.
LED drives, and is used for converting electrical signals to optical signal.LED drive module is used for completing the drive to LED light source
The signal of telecommunication being adjusted to is converted into optical signal simultaneously and is loaded on LED light source by dynamic function.As 51 single-chip microcomputers, its triggering
Mode is TTL triggering, completes LED light source is driven.
LED, is the discharger of visible light communication system, in order to meet the demand of communication system, should select work(as far as possible
Rate is big, beam divergence angle is little, white light LEDs light source.Additionally, selecting array format LED light source can increase luminous power, and to beam spreading
Angle commonly reaches 4 degree.
LED controller, for controlling the equipment of light source and camera, completes miscellaneous function.
Atmospheric channel, the flashlight being adjusted to is launched by light source, is transmitted by atmospheric channel, will be subject in transmitting procedure
Impact to atmospheric channel.
Camera lens, camera lens are reception antenna, mainly complete the seizure receive capabilities of optical signal, and camera lens can enter
Row zoom, changes field of view of receiver angle, can zoom in or out target.For the ease of cooperating with CCD camera, it is configured with
Motorized zoom lenses 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 completes collection and the process of view data by program.
Imaging process, for carrying out receiving imaging the modulated optical signal receiving, analyzes its gray scale light intensity, solution
Recall raw information, the information that completes receives.
Embodiment 2：
The present embodiment is to optimize further on the basis of above-described embodiment, further, to better implement the present invention, improves
The process performance of field programmable gate array, particularly is provided with following structures：Described random access memory adopts static random
Memorizer and/or dynamic RAM, static memory（SRAM）Feature be that operating rate is fast, as long as power supply is not removed,
The information of write SRAM would not disappear it is not necessary to refresh circuit, does not destroy, when reading, the information originally deposited simultaneously, once
Write can repeatedly read, but integrated level is relatively low, and power consumption is larger, make cache memory (Cache) in the present invention and use.
DRAM is dynamic RAM (Dynamic Random Access Memory), it be using field effect transistor grid to it
Preserving information, to store the number of electric charge, that is, the height of electric capacity terminal voltage to be representing " 1 " and " 0 " for distribution capacity between substrate,
Use as main storage in the present invention.
Embodiment 3：
The present embodiment is to optimize further on the basis of any of the above-described embodiment, further, to better implement the present invention,
Using PWM control mode, speed governing and control can be carried out to motor, as shown in figure 1, particularly being provided with following structures：Described automatic window
It is provided with encoder, motion controller, PWM power amplifier, DC servo motor, described field programmable gate array connects in curtain
Encoder, described encoder connects motion controller, and described motion controller connects PWM power amplifier, and described PWM power amplifier connects direct current
Servomotor, described DC servo motor connects encoder.
For controlling the running orbit of robot and action, field programmable gate array by the running orbit of robot and
Action data is loaded onto in automatic curtain, Photoelectric Detection module and switching quantity detection circuit after corresponding conversion, robot
Actuator be mainly motor and steering wheel, all speed governing and control are carried out using PWM, according to encoder（Preferred pulse encoder）'s
Feedback signal, carries out real-time control to the kinestate of robot, and when controlling, encoder is treated control action signal and compiled
Code, is then sent in motion controller and forms corresponding control signal, and PWM power amplifier is carried out controlling after signal amplification directly again
Flow servo motor is moved accordingly.
The present invention is combined and is carried out by automatic technology, intelligent control technology and microprocessor control technology
System controls so that robot can efficiently accomplish set workflow in use, using microcontroller and scene
The center control technology that programmable gate array combines, improves process performance and the treatment effeciency of whole system.
Embodiment 4：
The present embodiment is to optimize further on the basis of embodiment 1 or 2, further, to better implement the present invention, for just
In making robot run in the region of regulation, as shown in figure 1, being specifically arranged to following structures：Set in described optical key module
It is equipped with light-sensitive element receptor, reflecting mirror, light source, modulation waveform generator, modulation waveform processor and modulated amplifier, described
Field programmable gate array connects modulation waveform generator, and described modulation waveform generator connects light source, and described light source is even
Connect reflecting mirror, described reflecting mirror connects light-sensitive element receptor, described light-sensitive element receptor connects modulated amplifier, described tune
Amplifier processed connects modulation waveform processor, and described modulation waveform processor connects field programmable gate array.
Operationally, field programmable gate array will send Photoelectric Detection and instruct to modulation waveform generator, adjust
The waveform modulated of waveform generator processed adopts frequency modulating method, because the modulating frequency of detecting system is tens to hundreds of kHz
In the range of, require it is considered preferred to adopt Light-Emitting Diode for meeting（Fast response time, its operating frequency is up to several MHz or ten
Several MHz）To complete the generation of modulation waveform；It is provided with light source in light source to drive and light source, light source drives mainly to be responsible for modulation
Waveform be amplified to enough power go drive light source luminescent, and light source using the suitable waveform side of being wave modulation light transmitting and
The higher infrarede emitting diode of operating frequency, will modulate after light launched using infraluminescence diode, reflecting mirror by this
Modulation light reflexes on light-sensitive element receptor, and light-sensitive element receptor adopts light sensitive diode to receive modulation light, and by light
Signal is changed into the signal of telecommunication, because this signal of telecommunication is weaker, therefore needs to be filtered further and processing and amplifying, therefore by photosensitive two poles
The signal of telecommunication after pipe conversion is loaded onto first in modulated amplifier and carries out signal amplification, and the amplification of this modulated signal is put using exchange
Big form, moreover it is possible to make modulated optical signal separate with background light signal, is signal processing provides convenient.Amplified, separating treatment
Modulated optical signal afterwards will be filtered further using modulation waveform processor and signal identification is processed, and then be loaded onto scene
In programmable gate array circuit, adjust the operation area of robot as reference, its essence of optical key module is " to hand over
Stream ", useful modulated optical signal separates, thus reaching jamproof from " direct current ", useless background light signal
Purpose.
Embodiment 5：
The present embodiment is to optimize further on the basis of embodiment 1 or 2, further, to better implement the present invention, utilizes
Solar energy in clean energy resource is powered so that whole system structure can reduce the loss of non-renewable energy resources, can also simultaneously
Enough meeting under vile weather still normal work, reaching the purpose of round-the-clock system work in 24 hours, as shown in figure 1, especially setting
It is set to following structures：It is provided with solar panel, mu balanced circuit, power-supply controller of electric and direct current supply electricity in described white light LEDs
Road, described solar panel connects mu balanced circuit, and described mu balanced circuit connects power-supply controller of electric, and described power-supply controller of electric connects
DC power-supply circuit, described DC power-supply circuit connects central processing unit and field programmable gate array respectively.
At work, solar panel converts solar energy into direct current energy, then will be carried out surely by mu balanced circuit
Pressure, the DC source after voltage stabilizing will be delivered in DC power-supply circuit by the output circuit in power-supply controller of electric, then by
DC power-supply circuit is powered to respectively central processing unit and field programmable gate array.
Embodiment 6：
The present embodiment is to optimize further on the basis of above-described embodiment, further, to better implement the present invention, can
Not make solar energy be generated electricity or still meet when night whole system is powered in illuminance, as shown in figure 1, special
It is not provided with following structures：It is additionally provided with accumulator battery, described accumulator battery connects power-supply controller of electric in described white light LEDs.
When using, unnecessary electric energy will be stored in accumulator battery, and it is inadequate or overcast and rainy solar illuminating
When gas or night, accumulator battery will carry out releasing electricity, and is delivered in DC power-supply circuit by the output circuit of power-supply controller of electric,
Central processing unit and field programmable gate array are powered, reach 24 hours round-the-clock make whole system work.
Embodiment 7：
The present embodiment is to optimize further on the basis of embodiment 1 or 2, further, to better implement the present invention, is easy to
Improve process performance, and more storage robot running orbit and action, as shown in figure 1, particularly being provided with following structures：Also
Including parameter storage, described parameter storage connects central processing unit.
There are robot running orbit data and action data in parameter storage memory storage, central processing unit will be read by
It is loaded onto after such data in field programmable gate array, for controlling running orbit and the action of robot.
Embodiment 8：
The present embodiment is to optimize further on the basis of embodiment 1 or 2, further, to better implement the present invention, can profit
Complete such as switching value control, servo driving detection control, Photoelectric Detection control with ripe logic gate array treatment technology
The operations such as system, the control of Photoelectric Detection module, especially adopt following set-up modes：Described field programmable gate array master chip
Using Cyclone III.
Cyclone III, the Cyclone III FPGA of low cost are the third generation products of Altera Cyclone series.
Cyclone III FPGA series is simultaneously achieved low-power consumption, low cost and high-performance like never before, further expands
Application in cost sensitivity high-volume field for the FPGA.Produce the 65-nm low-power consumption of company (TSMC) using Taiwan Semiconductor
(LP) Technology.Cyclone III capacity between 5K to 120K logical block (LE), most 534 user's I/O pins.
Cyclone III device has 4-Mbit in-line memory, 288 embedded 18*18 multipliers, special external memorizeies connect
Mouth circuit, phaselocked loop (PLL) and high-speed-differential I/O etc..
Embodiment 9：
The present embodiment is to optimize further on the basis of embodiment 1 or 2, further, to better implement the present invention, can profit
Complete main control with ripe microcontroller chip technology to process, especially adopt following set-up modes：Described central processing unit is adopted
Use TMS570LS1114 microcontroller.
TMS570LS1114 device is a high-performing car level security system microcontroller series.This security architecture bag
Include：Double-core CPU, CPU and memory built-in self-inspection (BIST) logic run with lock-step mode, in flash memory data SRAM
ECC, the even-odd check of peripheral memory, the return circuit on peripheral hardware I/O.
TMS570LS1114 device is integrated with ARM Cortex-R4F floating-point CPU, and this CPU provides one efficient 1.66
DMIPS/MHz, and have can be up to 180MHz operation configuration, thus provide be up to 298DMIPS.This device is supported
Word constant big end sequence [BE32] form.
TMS570LS1114 device has 1MB integrated flash memory and 128KB data RAM, this configuration have the error correction of single position and
Dibit error correction.Flash memories on this device be one by 64 bit wide data bus interfaces realize non-volatile,
Electric erasable and programmable memory.In order to realize all readings, programming and erasing operation, this flash memory operates in one
In 3.3V power input（With the level as I/O power supply）.When being in pipelined mode, flash memory in up to 180MHz can be
Run under system clock frequency.SRAM supports the monocycle of byte, half son, word and double word pattern in the whole frequency range supported
Read and write-access.
TMS570LS1114 device peculiar for the peripheral hardware based on real-time control, including the high-end timing of 2 next generations
Device (N2HET) sequential coprocessor, this coprocessor has up to 44 I/O terminals, 7 increasings supporting up to 14 outputs
Strong type pulse width modulator (ePWM) module, 6 enhancement mode catch (eCAP) modules, the orthogonal encoder pulse of 2 enhancement mode
(eQEP) module, and 2 12 analog-digital converters (ADC) supporting up to 24 inputs.
N2HET1 is a high-grade intelligent intervalometer, and this intervalometer can provide accurate clocking capability for real-time application.
This intervalometer is software-controlled, using a reduced instruction set computer, and has a special intervalometer micromachine and a company
The I/O port connecing.N2HET can be used for non-inverting input, catches or compares input, or general purpose I/O.N2HET is special
It is not suitable for the application that those need multiple sensors information, and those requirements have complicated and correct time pulse driving
The application of actuator.One high-end intervalometer transmission unit (HTU) is able to carry out DMA type of process to pass and main storage between
Defeated N2HET data.One internal memory protection location (MPU) is built in HTU.
EPWM module can generate complicated pulsewidth waveform with minimum CPU overhead or intervention.EPWM is easy to use, and
Support that high side and downside PWM and dead band generate.Carry the synchronization of MibADC, ePWM mould by means of the protection of integration trigger area and with piece
Block is very suitable for digital motor control application.
ECAP module is requisite in the accurate timing highly important system of seizure of external event.Not by with
When catching application, eCAP may be additionally used for monitoring ePWM output or generates for simple PWM.
EQEP module is directly connected to for or rotation incremental encoder linear with one to move from a high-performance
With acquisition position, direction and velocity information in the machinery rotating in position control system.
This device has 212 bit resolution MibADC, and each MibADC altogether has 24 passages and is subject to 64 word parity schools
Test the buffer RAM of protection.MibADC passage by independent translation or can be directed to order conversion sequence by software in groups.16
Input can share between 2 MibADC.There are three independent groups.Each group can be changed once when being triggered, or passes through
Configuration is to execute continuous translative mode.MibADC1 also supports the use of external analog multiplexer.
This device has multiple communication interfaces：3 MibSPI, 2 SPI, 1 LIN1 SCI, 3 DCAN, and 1 I2C.
SPI is that the high-speed communication between similar shift register type device provides a kind of convenient method.LIN supports local interconnection mark
Standard 2.0 is simultaneously used as a full-duplex mode UART using standard NRZ (NRZ) form.DCAN supports CAN 2.0
（A and B）Consensus standard simultaneously uses serial, many Master Communications agreement, this agreement steadily and surely durable communication speed of up to 1Mbps
Rate effectively supports distributed real-time control.DCAN is especially suitable for working in the system in noisy and adverse circumstances（For example：Automobile and
Industrial circle）, such application needs reliable serial communication or multiplexing wiring.
I2C module is Master Communications module more than, and this module passes through I2C universal serial bus in microcontroller and an I2C
One interface is provided between compatible device.This I2C supports the speed of 100Kbps and 400Kbps.
One FM PLL (FMPLL) clock module be used to by internal with one for foreign frequency benchmark use higher
Frequency multiplication.The available mapping between clock source and device clock domain of this global clock module (GCM) management.
This device also has external clock prescalar (ECP) module, and when activated, this module is in ECLK terminal
One continuous external clock of upper output.ECLK frequency is the user-programmable ratio of Peripheral Interface clock (VCLK) frequency.
This can be exported the indicator as this device running frequency by the low frequency of exterior monitoring.
Direct memory access (DMA) controller has 16 passages, 32 control data bags and the even-odd check to its internal memory
Protection.MPU is built in the dma, to protect internal memory not affected by erroneous transmissions.
Mistake signalling module (ESM) monitors all device mistakes and determines it is in triggering one when a fault is detected
Disconnected still one external error pin/ball-like pins of triggering.Can be used as a microcontroller from the nERROR terminal of exterior monitoring
The indicator of fault condition in device.
External memory interface (EMIF) provides asynchronous and synchronous internal memory or other memory expansion from device.
One parameters distribution module (POM) is used to improve the calibration function of application code.Flash memory can be accessed weight by POM
Newly route to internal storage or EMIF, thus avoiding flash memory intrinsic parameter to update required reprogramming step.
The present invention meets robot and automatically controls required, carries out data storage using multiple memory modules, and according to difference
Needs, using different memorizeies, corresponding processing data is stored, thus effectively improve field-programmable gate array
The process performance of column circuits, improves its processing speed, reaches the more smooth purpose of the operation of robot, and whole system has and sets
The scientific and reasonable, safety and stability of meter, practical the features such as.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (9)
1. a kind of based on LIFI remotely control automatic curtain it is characterised in that：Main control by automatic curtain, signal modulation sets
Standby, LED lamp, reception antenna, signal processing circuit, Photoelectric Detection module, central processing unit, field programmable gate array,
Optical key module switch amount testing circuit, white light LEDs and storage circuit composition, described central processing unit connects field programmable gate
Array circuit, signal modulation control device, LED lamp, reception antenna, signal processing circuit；
Described automatic curtain includes core processor module, LED light receiving circuit, memory module, key-press module, power supply guarantor
Shield and level switch module, relay module；Described relay module includes relay circuit and travel switch, wherein said row
Cheng Kaiguan is located on automatic curtain rail, is connected with the described relay circuit within controller by wire；Core processor
Realize the selection of power supply wiring point by the break-make of control relay, described relay module includes 2 relays, by relay
Rotating and reverse of motor is realized in connecting or disconnecting of device, thus realizing the opening and closing of curtain；Described 2 relays return
Also connected with the normally-closed contact of 2 travel switches respectively in road；When curtain has fully opened or closes, system can be automatic
Power supply is disconnected, the generation of pre- anticollision, and position signalling can be sent to controller by the normally opened contact of travel switch；Described
LED light receiving circuit receives the LED communication signal of LED illumination lamp group and is converted into control instruction and is transported to core processor；Institute
State power protection and include power protection part and level converting section with level switch module, described level converting section is to daily
220 V alternating voltages are converted to 5 V direct voltage outputs by electric main；Described power protection part is one and power supply
The electric fuse of input series connection；Described key-press module includes a free-standing button, is used for realizing system reboot and recovers initial
Setting；
Described central processing unit connect optical key module, signal modulation control device, LED lamp, reception antenna, photo-detector,
Signal processing circuit；Described signal modulation equipment is responsible for modulating the original signal of telecommunication of generation；Described LED lamp is monochromatic LED；
Described photo-detector is that visible light wave range responds preferable CCD electrooptical device；Described reception antenna is the light of variable multiple
Learn camera lens；Described signal processing circuit is adapted with photo-detector, 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, light source sends
Light is transmitted by atmospheric channel；Described remote visible light communication system equipment mainly includes transmitting terminal and receiving terminal；Send out
Penetrate end and can use the modulation system such as OOK, PPM, the optical signal modulating is carried out sending out with the rule of high speed, light and shade change by light source
Penetrate, using high-power low beam divergence angle array LED as light source, because modulation rate is in 100 bit magnitudes, can be using single
Piece machine coordinates C++ software programming to carry out the design of hardware and software of transmitting terminal, realizes the transmission of character string；Receiving terminal, using CCD
As photo-detector, hardware device uses high more than frame frequency 100fps, high sensitivity, high-responsivity CCD camera；Camera with
Frame frequency identical with light source is shot, and design software carries out collection and the process of data to CCD camera, by modulated signal
Rule present, obtaining corresponding gray value, thus completing the transmittance process of information, realizing the reception of character string；Described
Charging socket is arranged at the side of door close；Described field programmable gate array connects automatic curtain, described switching value inspection
Slowdown monitoring circuit connects field programmable gate array, and described field programmable gate array connects Photoelectric Detection module, described
Optical key module connects field programmable gate array, and described white light LEDs connect central processing unit and field-programmable respectively
Gate-array circuit, described storage circuit connects field programmable gate array；It is provided with FLASH storage in described storage circuit
Device and random access memory, described FLASH memory and random access memory are all connected on field programmable gate array.
2. according to claim 1 a kind of based on LIFI remotely control automatic curtain it is characterised in that：Described random storage
Device adopts SRAM and/or dynamic RAM；It is provided with intelligent mobile terminal, base in described optical key module
In intelligent mobile terminal operating system, the key based on virtual serial port for the design sends the software module of intelligent mobile terminal, passes through
The software module of intelligent mobile terminal sends out key information, and key information is exported by the min-USB mouth of intelligent mobile terminal；
The key information being exported, based on intelligent mobile terminal OTG function, in external drive module loading to LED, passes through
LED is completing the transmission of key information.
3. according to claim 1 a kind of based on LIFI remotely control automatic curtain it is characterised in that：Described automatic curtain
Inside it is provided with encoder, motion controller, PWM power amplifier, DC servo motor, described field programmable gate array connects to be compiled
Code device, described encoder connects motion controller, and described motion controller connects PWM power amplifier, and described PWM power amplifier connects direct current and watches
Take motor, described DC servo motor connects encoder.
4. according to claim 1 a kind of based on LIFI remotely control automatic curtain it is characterised in that：Described optical key mould
It is provided with light-sensitive element receptor, reflecting mirror, light source, modulation waveform generator, modulation waveform processor and modulation in block to amplify
Device, described field programmable gate array connects modulation waveform generator, and described modulation waveform generator connects light source, described
Light source connects reflecting mirror, and described reflecting mirror connects light-sensitive element receptor, and described light-sensitive element receptor connects modulated amplifier,
Described modulated amplifier connects modulation waveform processor, and described modulation waveform processor connects field programmable gate array.
5. according to claim 1 a kind of based on LIFI remotely control automatic curtain it is characterised in that：Described white light LEDs
Inside it is provided with solar panel, mu balanced circuit, power-supply controller of electric and DC power-supply circuit, described solar panel connects steady
Volt circuit, described mu balanced circuit connects power-supply controller of electric, and described power-supply controller of electric connects DC power-supply circuit, described direct current supply
Circuit connects central processing unit and field programmable gate array respectively.
6. according to claim 1 a kind of based on LIFI remotely control automatic curtain it is characterised in that：Described white light LEDs
Inside it is additionally provided with accumulator battery, described accumulator battery connects power-supply controller of electric.
7. according to claim 1 a kind of based on LIFI remotely control automatic curtain it is characterised in that：Also include parameter to deposit
Reservoir, described parameter storage connects central processing unit.
8. according to claim 1 a kind of based on LIFI remotely control automatic curtain it is characterised in that：Described scene can be compiled
Journey gate-array circuit master chip adopts Cyclone III.
9. according to claim 1 a kind of based on LIFI remotely control automatic curtain it is characterised in that：Described central authorities are processed
Device adopts TMS570LS1114 microcontroller.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610440630.XA CN106388538A (en) | 2016-06-20 | 2016-06-20 | Automatic curtain based on LIFI remote control |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610440630.XA CN106388538A (en) | 2016-06-20 | 2016-06-20 | Automatic curtain based on LIFI remote control |
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