CN105046937B - A kind of control device based on Li-Fi wireless telecommunications smart home system - Google Patents
A kind of control device based on Li-Fi wireless telecommunications smart home system Download PDFInfo
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- CN105046937B CN105046937B CN201510383864.0A CN201510383864A CN105046937B CN 105046937 B CN105046937 B CN 105046937B CN 201510383864 A CN201510383864 A CN 201510383864A CN 105046937 B CN105046937 B CN 105046937B
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Abstract
A kind of control device based on Li-Fi wireless telecommunications smart home system, the present invention relates to smart home fields, aim to solve the problem that existing smart home system there are jitter, the rate of information throughput is low, the technical problems such as transmission spectrum is crowded, and security risk and reliability are low.The inventive structure feature includes coded data packet；Main control module: including processor, receive and/or send coded data packet；Mobile controlling terminal: including FPGA, receiving and/or send coded data packet, and to main control module input control signal.The present invention is used to build the control device of smart home system.
Description
Technical field
The present invention relates to smart home fields, and in particular to a kind of control based on Li-Fi wireless telecommunications smart home system
Device processed.
Background technique
The bussing technique of existing smart home system usually has wireless interconnected, wired interconnection and power line carrier PLCBUS etc.
Technology, basic ideas are all substantially the nodes that independent life application module is integrated into network-control, by central processing center
Control.But come with some shortcomings, such as: wireless technology signal it is unstable, vulnerable to the interference of architectural composition, frequency spectrum is excessively
It is crowded, and band segment is by control；That there are transmission rates is low for power carrier, it is difficult to be consistent with the network of increasingly high speed
It closes, is not able to satisfy user experience, there is also security risks；Wired interconnection technique difficult wiring is broken especially for the repacking of old house
It is bad larger, it is with high costs.
Summary of the invention
For the above-mentioned prior art, it is an object of that present invention to provide one kind to be based on Li-Fi wireless telecommunications smart home system
Control device, aiming to solve the problem that existing smart home system, there are jitters, and the rate of information throughput is low, and transmission spectrum is gathered around
It squeezes, the technical problems such as security risk and reliability are low.
In order to achieve the above objectives, The technical solution adopted by the invention is as follows:
A kind of control device based on Li-Fi wireless telecommunications smart home system, including coded data packet；Main control module:
Including processor, coded data packet is received and/or sent；Mobile controlling terminal: it including FPGA, receives and/or sends out
Send coded data packet, and to main control module input control signal.
In above scheme, the coded data packet, including the coded data packet generated by communication device.
In above scheme, mobile controlling terminal and communication device mutually transmit coded data packet, and main control module fills communication
It sets and is programmed, debugs and data stream transmitting.
In above scheme, the communication device, including file server: being stored with the basic configuration letter of intelligent appliance
Breath；Li-Fi communication module: the basic configuration information in access file server, the data for carrying out Li-Fi transmission format protocol are beaten
Packet and coding, and generate coded data packet；The access point Li-Fi: it receives the coded data packet of Li-Fi communication module and addresses transmission
Coded data packet or feedback encoding data packet give Li-Fi communication module, with Li-Fi coded data packet bidirectional wireless communication
Function；Node: the coded data packet for uploading intelligent appliance job information gives the access point Li-Fi, downloads the coding of the access point Li-Fi
Data packet carries out coded data packet interaction to intelligent appliance between the access point Li-Fi and intelligent appliance.
In above scheme, the Li-Fi communication module, including pretreatment unit: input data is converted to Li-Fi transmission
The data of protocol format are simultaneously packaged, and/or Li-Fi transmission format protocol data are converted to output data and are solved
Packet；Satellite-signal transceiver: the connection between pretreatment unit and internet is established by satellite, and in mobile controlling terminal and in advance
Signal transmission is carried out between processing unit；
Programming interface: be programmed between main control module and pretreatment unit order or data spread it is defeated；Codec: it connects
The data packet for receiving pretreatment unit is encoded and is sent to the access point Li-Fi, and/or receives the coded number of the access point Li-Fi
It is decoded according to packet and is sent to pretreatment unit.Realize Li-Fi transmission format protocol data be packaged or unpack, and encode or
Decoding, establishes Li-Fi sub-data transmission mode for cloth；Even if being center pivot by file server in the case where the external world interconnects disconnection
The local area network of knob can continue as the next Li-Fi network and provide basic operational support, lifting system stability and reliability.
In above scheme, the access point Li-Fi, including light-detecting device and light emitting devices；It further include for seeking
The microchip of location: it controls the luminous of light emitting devices or extinguishes, and receive the signal of light-detecting device.Establish Li-Fi network letter
Number transmission distribution hinge, provide download access and upload feedback node.
In above scheme, the access point the Li-Fi LFAP further includes the access point Li-Fi LFAP_1 to _ N.The section
Point NODE, including the node NODE_1 to _ N being respectively in the access point Li-Fi LFAP_1 to _ N light emitting devices range of exposures.
It keeps intelligent appliance to be in system signal transmission range, realizes and stablize, low interference, the Li-Fi data transmission of no crosstalk.
In above scheme, the main control module, including judgement unit: receiving the control signal that mobile controlling terminal issues
Or the feedback signal of the access point Li-Fi working condition is received, and export Mbus or feedback clock；Processor: it receives and differentiates
The Mbus of unit exports programming information to Li-Fi communication module by interface；For debugging the suitable of transport protocol compatibility
Orchestration: selecting protocol adaptor, has different adaptation patterns；Processor is connect with adapter；Connect the user interface of processor:
Multikey position scene control is selected, has the function of that a key changes intelligent appliance scene setting.Input is believed by judgement unit
Number classification, realize feedback intelligent household electrical appliances work state information and custom-configure program input；In different information process units
Between debug transport protocol compatibility.
In above scheme, the main control module is connected with data, and data, which are stored with, custom-configures information and multimedia
Information.Processor receives the feedback clock of judgement unit, control adapter debugging Li-Fi communication module and main control module transmission association
The compatibility of view；Processor reads data, forms data flow, and export to Li-Fi communication module；Processor receives judgement unit
Mbus, be written data, be stored as custom-configuring information.The current family individual scene of imformosome is custom-configured to set
It sets, after one-time programming, is called by one key of user interface, it is easy to use；Multimedia messages embody user and need to pass through Li-
The information that Fi is sent, issues after processor calls, is moved easily phone, the portable equipments such as laptop are in the local area network
Quickly access.
In above scheme, the mobile controlling terminal, including Li-Fi spectrographic detection unit: receive the access point Li-Fi hair
Coded data packet out, and unpacked；Decoder: receiving and decodes the coded data of Li-Fi spectrographic detection unit output；
FPGA: the output signal of decoder is obtained by SDIO interface；Encoder: to FPGA issue modulation pulse or clock signal into
Row coding, and outputting encoded data；Driving: according to the coded data of encoder output, output driving level；Laser diode:
It is shone or is extinguished according to the drive level of driving；For inputting program, creation custom-configures information and observation intelligent appliance work
Make the Trackpad of state: connection FPGA；The buffer for connecting FPGA, connects the satellite-signal transceiver of buffer.Buffer increases
Strong frequency matching degree, satellite-signal transceiver are auxiliary means of communication, and when guaranteeing main control module failure, user can be directly controlled
Li-Fi communication module；User need to only complete all kinds of programmings and setting work, the configuration of individualized intelligent household electrical appliances and field by Trackpad
Scape combination has embodied a concentrated reflection of simply, convenient, and comfortably, the intelligent residence of information exchange and communication is lived.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the operation workflow figure of main control module of the present invention；
Fig. 3 is the operation workflow figure of the mobile controlling terminal of the present invention；
Fig. 4 is present invention specific implementation figure；
In figure: FPGA- field programmable gate array, SDIO- secure digital input/output interface, SDU- spectrographic detection unit
The access point SPECTRAL DETECTION UNIT, LFAP-Li-Fi Li-Fi ACCESS POINT.
Specific embodiment
All features disclosed in this specification or disclosed all methods or in the process the step of, in addition to mutually exclusive
Feature and/or step other than, can combine in any way.
The present invention will be further described with reference to the accompanying drawing:
Fig. 1 is the structural diagram of the present invention, a kind of control device based on Li-Fi wireless telecommunications smart home system,
Including coded data packet；Main control module CMM: including processor P, receive and/or send coded data packet；Mobile control is eventually
It holds MCT: including FPGA, receiving and/or send coded data packet, and to main control module CMM input control signal.Described
Coded data packet, including the coded data packet generated by communication device CA.Mobile controlling terminal MCT and communication device CA is mutually passed
Defeated coded data packet, main control module CMM is programmed communication device CA, debugs and data stream transmitting.
The communication device CA, including file server FS: being stored with the basic configuration information of intelligent appliance；Li-Fi
Communication module LFCM: the basic configuration information in access file server FS, the data for carrying out Li-Fi transmission format protocol are packaged
And coding, and generate coded data packet；The access point Li-Fi LFAP: it receives the coded data packet of Li-Fi communication module LFCM and seeks
Location sends coded data or feedback encoding data packet gives Li-Fi communication module LFCM, has Li-Fi coded data double-direction radio
The function of communication；Node NODE: the coded data packet for uploading intelligent appliance job information gives the access point Li-Fi LFAP, downloads Li-
The coded data packet of the access point Fi LFAP carries out coded data to intelligent appliance between the access point Li-Fi LFAP and intelligent appliance
Interaction.
Fig. 2 is the operation workflow figure of main control module of the present invention, and processor P receives the feedback clock of judgement unit JU, control
The compatibility of adapter debugging Li-Fi communication module LFCM and main control module CMM transport protocol；Processor P reads data, is formed
Data flow, and export to Li-Fi communication module LFCM；Processor P receives the Mbus of judgement unit JU, and data are written
DATA is stored as custom-configuring information.The current family individual scene of imformosome is custom-configured to be arranged, after one time programming,
It is called by mono- key of user interface UI, it is easy to use；Multimedia messages embody the letter that user needs to send by Li-Fi
Breath issues after processor P calling, is moved easily phone, and the portable equipments such as laptop are quick in the Li-Fi local area network
Access.
Fig. 3 is the operation workflow figure of the mobile controlling terminal of the present invention, and user needs to be arranged individual scene or scene, passes through
Trackpad TP inputs assembler, and FPGA exports corresponding code stream, and control laser diode LD issues Li-Fi coded data packet, main
After the judgement unit JU classification processing for controlling module, processor P receives Mbus, and it is (i.e. customized to match to export corresponding coded sequence
Confidence breath), it stores to data DATA, and give the pretreatment unit PPU of Li-Fi communication module, exports the corresponding data packet,
Codec E/DC completes scene codes, issues coded data packet by the access point Li-Fi LFAP, regulates and controls corresponding intelligent appliance
Electrical parameter, forms certain scenarios, it is secondary using same scene when, need to only pass through the personalized programming of mono- key of user interface UI selection institute
The scene of setting.
Fig. 4 is present invention specific implementation figure, and the access point Li-Fi LFAP issues access request to pretreatment unit PPU, pre- to locate
Reason unit PPU returns request by reading file server FS or reading the data information in satellite-signal transceiver SST
It is multiple, or neutralized as interim storage file write-in file server FS and internet is uploaded to by satellite-signal transceiver SST.
Unlike other wireless technologys, Li-Fi transmission process is not influenced by electromagnetic interference effect (EMIE), Electro Magnetic Compatibility
(EMC) preferably, not by communication bandwidth control, transmission speed averagely about 10Gbps is communicated also much larger than currently used Wi-Fi
Mode transmission speed；Preferably, in the smart home system with super clear CCD monitoring camera-shooting, 1080P image information will be completed
Transmission.
Embodiment 1
The light-detecting device and light emitting devices of the access point Li-Fi LFAP can select respectively TTL technique single-lens reflex camera CCD and
The LED light of Li-Fi optical communication technology, the optional range of wavelengths of LED light in 850nm, 1310nm, 1490nm, CW-DM, 1550nm,
DWDM；Enabling mode be photoinduction starting, passive photopolymerization initiation, optoacoustic control combination technology, the mechanically integrated module of photoinduction and/or
The optional choice of technology.
Embodiment 2
Pretreatment unit PPU is suitable for following DSP, CPU or GPU, the RISC Architecture of APU, ARM or x86 framework, quantum
Or the photon CPU choice of technology.There is technological incorporation in the technology development for making a general survey of microprocessor: optical communication chip, graphene chip
Invention so that network Development hardware unknown mutation is occurred, the progress of technology is the reference of selection standard.But it is bad for changing
Invention, or cost viewpoint, only from the selection of technical scheme of practicability.
The invention has the advantages that: signal stabilization, low interference is without crosstalk, and the rate of information throughput is high, and transmission spectrum is not managed
It makes and safe and reliable.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Belong to those skilled in the art in the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of, all answers
It is included within the scope of the present invention.
Claims (4)
1. a kind of control device based on Li-Fi wireless telecommunications smart home system, which is characterized in that including coded data packet；
Main control module CMM: including processor P, coded data packet is received and/or sends, processor P receives judgement unit JU
Mbus, by interface to Li-Fi communication module LFCM export programming information；
Mobile controlling terminal MCT: including FPGA, coded data packet is received and/or sends, and input to main control module CMM
Signal is controlled, FPGA obtains the output signal of decoder DC1 by SDIO interface；
The coded data packet, including the coded data packet generated by communication device CA；
The communication device CA, including
File server FS: it is stored with the basic configuration information of intelligent appliance；
Li-Fi communication module LFCM: the basic configuration information in access file server FS carries out Li-Fi transmission format protocol
Data be packaged and coding, and generate coded data packet；
The access point Li-Fi LFAP: receiving the coded data packet of Li-Fi communication module LFCM and address transmission coded data packet, or
Feedback encoding data packet gives Li-Fi communication module LFCM, has the function of Li-Fi coded data packet bidirectional wireless communication；
Node NODE: the coded data packet for uploading intelligent appliance job information gives the access point Li-Fi LFAP, downloading Li-Fi access
The coded data packet of point LFAP carries out coded data packet interaction to intelligent appliance between the access point Li-Fi LFAP and intelligent appliance；
The main control module CMM further includes
Judgement unit JU: the control signal or receive the access point Li-Fi LFAP working condition that mobile controlling terminal MCT is issued are received
Feedback signal, and export Mbus or feedback clock；
For debugging the adapter A of transport protocol compatibility: selecting protocol adaptor, there are different adaptation patterns；
Processor P is connect with adapter A.
2. a kind of control device based on Li-Fi wireless telecommunications smart home system according to claim 1, feature exist
In mobile controlling terminal MCT and communication device CA mutually transmits coded data packet, and main control module CMM carries out communication device CA
Programming, debugging and data stream transmitting.
3. a kind of control device based on Li-Fi wireless telecommunications smart home system according to claim 1, feature exist
In the main control module CMM is connected with data DATA, and data DATA, which is stored with, custom-configures information and multimedia messages.
4. a kind of control device based on Li-Fi wireless telecommunications smart home system according to claim 1, feature exist
In the mobile controlling terminal MCT further includes
Li-Fi spectrographic detection cell S DU1: the coded data packet that the access point Li-Fi LFAP is issued is received, and is unpacked；
Decoder DC1: receiving and decodes the coded data of Li-Fi spectrographic detection cell S DU1 output；
Encoder EC: the FPGA modulation pulse issued or clock signal are encoded, and outputting encoded data；
Drive DR: the coded data exported according to encoder EC, output driving level；
Laser diode LD: it shines or extinguishes according to the drive level of driving DR；
For inputting program, creation custom-configures information and observes the Trackpad TP of intelligent appliance working condition: connection FPGA.
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| CN201510383864.0A CN105046937B (en) | 2015-07-03 | 2015-07-03 | A kind of control device based on Li-Fi wireless telecommunications smart home system |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103105841A (en) * | 2012-12-28 | 2013-05-15 | 方科峰 | Intelligent home furnishing system based on optical communication and intelligent home furnishing system management method |
| CN103295386A (en) * | 2012-02-29 | 2013-09-11 | 深圳光启创新技术有限公司 | Monitoring and controlling system based on optical communication |
| WO2014085128A1 (en) * | 2012-11-27 | 2014-06-05 | Motorola Solutions, Inc. | Visible light communications personal area network controller and access point systems and methods |
| CN204946337U (en) * | 2015-07-03 | 2016-01-06 | 成都弘毅天承科技有限公司 | A kind of control device based on Li-Fi wireless telecommunications intelligent domestic system |
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- 2015-07-03 CN CN201510383864.0A patent/CN105046937B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103295386A (en) * | 2012-02-29 | 2013-09-11 | 深圳光启创新技术有限公司 | Monitoring and controlling system based on optical communication |
| WO2014085128A1 (en) * | 2012-11-27 | 2014-06-05 | Motorola Solutions, Inc. | Visible light communications personal area network controller and access point systems and methods |
| CN103105841A (en) * | 2012-12-28 | 2013-05-15 | 方科峰 | Intelligent home furnishing system based on optical communication and intelligent home furnishing system management method |
| CN204946337U (en) * | 2015-07-03 | 2016-01-06 | 成都弘毅天承科技有限公司 | A kind of control device based on Li-Fi wireless telecommunications intelligent domestic system |
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