CN105007203A - Communication device based on Li-Fi wireless communication intelligent home system - Google Patents
Communication device based on Li-Fi wireless communication intelligent home system Download PDFInfo
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- CN105007203A CN105007203A CN201510383984.0A CN201510383984A CN105007203A CN 105007203 A CN105007203 A CN 105007203A CN 201510383984 A CN201510383984 A CN 201510383984A CN 105007203 A CN105007203 A CN 105007203A
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Abstract
The invention discloses a communication device based on a Li-Fi wireless communication intelligent home system, relates to the field of intelligent home, and aims to solve the technical problems of unstable signal, low information transmission rate, transmission frequency spectrum congestion, potential safety hazard and poor reliability in an existing intelligent home system. The communication device is structurally characterized by comprising a file server, a Li-Fi communication module, a Li-Fi access point and a node. The communication device is used for building a communication module for the intelligent home system.
Description
Technical field
The present invention relates to Smart Home field, be specifically related to a kind of communication device based on Li-Fi wireless telecommunications intelligent domestic system.
Background technology
The bussing technique of existing intelligent domestic system has the technology such as wireless interconnected, wired interconnected and power line carrier PLCBUS usually, and basic ideas are roughly all that independently life application module is integrated into the node of network control, are controlled by central processing center.But come with some shortcomings, such as: the instability of wireless technology signal, be vulnerable to the interference of architectural composition, frequency spectrum is too crowded, and band segment is subject to control; It is low to there is transmission rate in power carrier, is difficult to be consistent with network more and more at a high speed, can not meet Consumer's Experience, also there is potential safety hazard; Wired interconnection technique difficult wiring, especially for the repacking in old room, destroys comparatively large, with high costs.
Summary of the invention
For above-mentioned prior art, the object of the invention is to provide a kind of communication device based on Li-Fi wireless telecommunications intelligent domestic system, and it is intended to solve existing intelligent domestic system and there is jitter, and the rate of information throughput is low, transmission spectrum is crowded, potential safety hazard and the technical problem such as reliability is low.
For achieving the above object, the technical solution used in the present invention is as follows:
Based on a communication device for Li-Fi wireless telecommunications intelligent domestic system, comprise file server: the basic configuration information storing intelligent appliance; Li-Fi communication module: comprising pretreatment unit, the basic configuration information in access file server, carries out data packing and the coding of Li-Fi transmission format protocol, and generates coded data packet; Li-Fi accessing points: receive the coded data packet of Li-Fi communication module and addressing sends coded data packet, or feedback encoding packet is to Li-Fi communication module, has the function of Li-Fi coded data packet bidirectional wireless communication; Node: upload the coded data packet of intelligent appliance job information to Li-Fi accessing points, the coded data packet downloading Li-Fi accessing points is to intelligent appliance, and between Li-Fi accessing points and intelligent appliance, carry out coded data packet mutual.
In such scheme, described Li-Fi communication module, comprises pretreatment unit: input data are converted to the data of Li-Fi transmission format protocol and pack, and/or Li-Fi transmission format protocol data are converted to output data and unpack; Satellite-signal transceiver: set up the connection between pretreatment unit and the Internet by satellite, and Signal transmissions is carried out between mobile control terminal and pretreatment unit; DLL (dynamic link library): carry out program command or data stream transmitting between main control module and pretreatment unit; Codec: the packet receiving pretreatment unit carries out encoding and sends to Li-Fi accessing points, and/or the coded data packet receiving Li-Fi accessing points carries out decoding and sending to pretreatment unit.Realize the data packing of Li-Fi transmission format protocol or unpack, and coding or decoding, set up Li-Fi transfer of data distribution mode; Even if under the interconnected disconnection in the external world, the next Li-Fi network can be continued as by the local area network (LAN) of hinge centered by file server and provide basic operational support, elevator system stability and reliability.
In such scheme, described Li-Fi accessing points, comprises light-detecting device and light emitting devices; Also comprise the microchip for addressing: the luminescence or the extinguishing that control light emitting devices, and receive the signal of light-detecting device.Set up Li-Fi network signal transmission distribution hinge, download access is provided and uploads feedback node.
In such scheme, described Li-Fi accessing points LFAP, also comprises Li-Fi accessing points LFAP_1 to _ N.Described node NODE, comprises and is in node NODE_1 in Li-Fi accessing points LFAP_1 to _ N light emitting devices range of exposures to _ N respectively.Keep intelligent appliance to be in system signal transmission range, realize stable, low interference, without the Li-Fi transfer of data of crosstalk.
In such scheme, main control module: Li-Fi communication module is programmed, debugs and data stream transmitting; Mobile control terminal: transfer encoding packet mutual to Li-Fi accessing points, to main control module input control signal, and regulates and controls Li-Fi communication module; Described main control module, comprises judgement unit: receive the control signal that mobile control terminal sends or the feedback signal receiving Li-Fi accessing points operating state, and export Mbus or feedback clock; Processor: the Mbus receiving judgement unit, exports programming information by interface to Li-Fi communication module; For debugging the adapter of transport protocol compatibility: select protocol adaptor, there is different adapt mode; Processor is connected with adapter; The user interface of connection handling device: select multikey position scene control, has the function that a key changes intelligent appliance scene setting.By the classification of judgement unit to input signal, realize feedback intelligent household electrical appliances work state information and the input of self-defined configurator; The compatibility of host-host protocol is debugged between different information process unit.
In such scheme, described main control module is connected with data, and data store self-defined configuration information and multimedia messages.Processor receives the feedback clock of judgement unit, controls the compatibility of adapter debugging Li-Fi communication module and main control module host-host protocol; Processor reads data, forms data flow, and exports Li-Fi communication module to; Processor receives the Mbus of judgement unit, and write data, are stored as self-defined configuration information.Self-defined configuration information embodies user individual scene setting, after one-time programming, is called by user interface one key, easy to use; Multimedia messages embodies the information that user needs to be sent by Li-Fi, and send after treated device calls, facilitate mobile phone, the portable equipments such as notebook computer are fast access in this local area network (LAN).
In such scheme, described mobile control terminal, comprises Li-Fi spectrographic detection unit: receive the coded data packet that Li-Fi accessing points sends, and unpack; Decoder: receive and the coded data of Li-Fi spectrographic detection unit output of decoding; FPGA: the output signal being obtained decoder by SDIO interface; Encoder: the modulating pulse send FPGA or clock signal are encoded, and outputting encoded data; Drive: the coded data exported according to encoder, export drive level; Laser diode: the luminous or extinguishing according to the drive level driven; For input program, create self-defined configuration information and the Trackpad observing intelligent appliance operating state: be connected FPGA; Connect the buffer of FPGA, connect the satellite-signal transceiver of buffer.Buffer strengthens frequency match degree, and satellite-signal transceiver is auxiliary means of communication, and when ensureing that main control module lost efficacy, user can direct control Li-Fi communication module; User only need complete all kinds of programming by Trackpad and arrange work, the configuration of individualized intelligent household electrical appliances and scene composition, and embody a concentrated reflection of simple, convenient, comfortable, the intelligent residence of information interaction and communication is lived.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the operation workflow figure of Li-Fi communication module of the present invention;
Fig. 3 is the present invention specifically enforcement figure;
In figure: FPGA-field programmable gate array, SDIO-secure digital input/output interface, SDU-spectrographic detection cell S PECTRAL DETECTION UNIT, LFAP-Li-Fi accessing points Li-Fi ACCESS POINT.
Embodiment
All features disclosed in this specification, or the step in disclosed all methods or process, except mutually exclusive feature and/or step, all can combine by any way.
Below in conjunction with accompanying drawing, the present invention will be further described:
Fig. 1 is structural representation of the present invention, and a kind of communication device based on Li-Fi wireless telecommunications intelligent domestic system, comprises file server FS: the basic configuration information storing intelligent appliance; Li-Fi communication module LFCM: comprising pretreatment unit PPU, the basic configuration information in access file server FS, carries out data packing and the coding of Li-Fi transmission format protocol, and generates coded data packet; Li-Fi accessing points LFAP: receive the coded data packet of Li-Fi communication module LFCM and addressing sends coded data, or feedback encoding packet is to Li-Fi communication module LFCM, has the function of Li-Fi coded data bidirectional wireless communication; Node NODE: upload the coded data packet of intelligent appliance job information to Li-Fi accessing points LFAP, the coded data packet downloading Li-Fi accessing points LFAP is to intelligent appliance, and between Li-Fi accessing points LFAP and intelligent appliance, carry out coded data mutual.
Fig. 2 is the operation workflow figure of Li-Fi communication module of the present invention, Li-Fi accessing points LFAP sends access request to pretreatment unit PPU, pretreatment unit PPU is replied request by file reading server FS or the data message read in satellite-signal transceiver SST, or is uploaded to the Internet as interim storage file writing in files server FS neutralization by satellite-signal transceiver SST.With other wireless technologys unlike, Li-Fi transmitting procedure is not by electromagnetic interference effect (EMIE) impact, and its Electromagnetic Compatibility is better, not by the control of communication bandwidth, its transmission speed is about 10Gbps on average, also much larger than Wi-Fi communication modes transmission speed conventional at present; Preferably, in the intelligent domestic system with super clear CCD monitoring camera-shooting, the transmission of 1080P image information will be completed.
Fig. 3 is the present invention specifically enforcement figure, and processor P receives the feedback clock of judgement unit JU, controls the compatibility of adapter debugging Li-Fi communication module LFCM and main control module CMM host-host protocol; Processor P reads data, forms data flow, and exports Li-Fi communication module LFCM to; Processor P receives the Mbus of judgement unit JU, and write data DATA, is stored as self-defined configuration information.Self-defined configuration information embodies user individual scene setting, after one-off programming, is called by user interface UI mono-key, easy to use; Multimedia messages embodies the information that user needs to be sent by Li-Fi, and send after treated device P calls, facilitate mobile phone, the portable equipments such as notebook computer are fast access in this Li-Fi local area network (LAN).
User needs to arrange individual scene or sight, assembler is inputted by Trackpad TP, FPGA exports corresponding code stream, control laser diode LD and send Li-Fi coded data packet, after the judgement unit JU classification process of main control module, processor P receives Mbus, export corresponding coded sequence (i.e. self-defined configuration information), be stored to data DATA, and give the pretreatment unit PPU of Li-Fi communication module, it exports the packet of this correspondence, codec E/DC completes scene codes, coded data packet is sent by Li-Fi accessing points LFAP, regulate and control the electrical quantity of corresponding intelligent appliance, form certain scenarios, when secondary uses same sight, only need select the personalized scene set of programming of institute by user interface UI mono-key.
Embodiment 1
The light-detecting device of Li-Fi accessing points LFAP and light emitting devices can select the LED of anti-CCD and the Li-Fi optical communication technology of the list of TTL technique respectively, and LED choosing wavelength is interval at 850nm, 1310nm, 1490nm, CW-DM, 1550nm, DWDM; The mode of enabling is photoinduction startup, passive light startup, the selection of optoacoustic control combination technology, the mechanically integrated module of photoinduction and/or alternatives.
Embodiment 2
Pretreatment unit PPU is applicable to following DSP, CPU or GPU, the RISC framework of APU, ARM or x86 framework, quantum or the photon CPU choice of technology.There is technological incorporation in the technical development making a general survey of microprocessor: optical communication chip, and the invention of Graphene chip makes network Development hardware occur unknown mutation, and the progress of technology is the reference of selection standard.But for changing bad invention, or cost viewpoint, only from the selection of technical scheme of practicality.
Beneficial effect of the present invention: signal stabilization, low interference is without crosstalk, and the rate of information throughput is high, and transmission spectrum is not by control and safe and reliable.The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, anyly belongs to those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.
Claims (5)
1. based on a communication device for Li-Fi wireless telecommunications intelligent domestic system, it is characterized in that, comprise
File server FS: the basic configuration information storing intelligent appliance;
Li-Fi communication module LFCM: comprising pretreatment unit PPU, the basic configuration information in access file server FS, carries out data packing and the coding of Li-Fi transmission format protocol, and generates coded data packet;
Li-Fi accessing points LFAP: receive the coded data packet of Li-Fi communication module LFCM and addressing sends coded data packet, or feedback encoding packet is to Li-Fi communication module LFCM, has the function of Li-Fi coded data packet bidirectional wireless communication;
Node NODE: upload the coded data packet of intelligent appliance job information to Li-Fi accessing points LFAP, the coded data packet downloading Li-Fi accessing points LFAP is to intelligent appliance, and between Li-Fi accessing points LFAP and intelligent appliance, carry out coded data packet mutual.
2. a kind of communication device based on Li-Fi wireless telecommunications intelligent domestic system according to claim 1, is characterized in that, described Li-Fi communication module LFCM, also comprises
Pretreatment unit PPU: input data are converted to the data of Li-Fi transmission format protocol and pack, and/or Li-Fi transmission format protocol data are converted to output data and unpack;
Satellite-signal transceiver SST: set up the connection between pretreatment unit PPU and the Internet by satellite, and Signal transmissions is carried out between mobile control terminal MCT and pretreatment unit PPU;
DLL (dynamic link library) PI: carry out program command or data stream transmitting between main control module CMM and pretreatment unit PPU;
Codec E/DC: the packet receiving pretreatment unit PPU carries out encoding and sends to Li-Fi accessing points LFAP, and/or the coded data packet receiving Li-Fi accessing points LFAP is carried out decoding and sends to pretreatment unit PPU.
3. a kind of communication device based on Li-Fi wireless telecommunications intelligent domestic system according to claim 1, is characterized in that, described Li-Fi accessing points LFAP, comprises light-detecting device and light emitting devices; Also comprise the microchip for addressing: the luminescence or the extinguishing that control light emitting devices, and receive the signal of light-detecting device.
4. a kind of communication device based on Li-Fi wireless telecommunications intelligent domestic system according to claim 1 or 3, is characterized in that, described Li-Fi accessing points LFAP, also comprises Li-Fi accessing points LFAP_1 to _ N.
5. a kind of communication device based on Li-Fi wireless telecommunications intelligent domestic system according to claim 1 or 4, it is characterized in that, described node NODE, comprises and is in node NODE_1 in Li-Fi accessing points LFAP_1 to _ N light emitting devices range of exposures to _ N respectively.
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| CN1855856A (en) * | 2005-04-18 | 2006-11-01 | 珠海格力电器股份有限公司 | Household electric appliance network system |
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| CN102882752A (en) * | 2012-10-19 | 2013-01-16 | 天津光宏科技有限公司 | Internet-of-things and android system based intelligent home system and control method |
| 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 |
| KR20140049187A (en) * | 2012-10-16 | 2014-04-25 | 주식회사 디엔에프컨설팅 | Mobile and web-based three-dimensional fluid simulation system and method |
| WO2014085128A1 (en) * | 2012-11-27 | 2014-06-05 | Motorola Solutions, Inc. | Visible light communications personal area network controller and access point systems and methods |
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2015
- 2015-07-03 CN CN201510383984.0A patent/CN105007203B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1855856A (en) * | 2005-04-18 | 2006-11-01 | 珠海格力电器股份有限公司 | Household electric appliance network system |
| CN102158376A (en) * | 2011-01-28 | 2011-08-17 | 田进 | Wireless intelligent home security system and control method thereof |
| KR20140049187A (en) * | 2012-10-16 | 2014-04-25 | 주식회사 디엔에프컨설팅 | Mobile and web-based three-dimensional fluid simulation system and method |
| CN102882752A (en) * | 2012-10-19 | 2013-01-16 | 天津光宏科技有限公司 | Internet-of-things and android system based intelligent home system and control method |
| 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 |
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Inventor after: Yang Yuezhang Inventor after: Su Haiwei Inventor after: Lin Shu Inventor after: Wang Min Inventor after: Huang Jianyun Inventor before: Zhou Lun |
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Effective date of registration: 20180403 Address after: 325000 Wenzhou Province, Lucheng District, Hua Yuan Road, No. 29 Applicant after: ZHEJIANG SHIYEHUANJING ART DECORATION ENGINEERING CO., LTD. Address before: 610000 Chengdu province high tech Zone Tianyi street, No. 38, ideal center, building 1408, No. 4, No. Applicant before: CHENGDU HONGYI TIANCHENG TECHNOLOGY CO., LTD. |
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Address after: 325000 Huayuan Road, Lucheng District, Wenzhou, Zhejiang Province, No. 29 Patentee after: Zhejiang vision Construction Group Co.,Ltd. Address before: 325000 Huayuan Road, Lucheng District, Wenzhou, Zhejiang Province, No. 29 Patentee before: ZHEJIANG PERSPECTIVE ENVIRONMENTAL ART DECORATION ENGINEERING Co.,Ltd. |