CN105898248A - Optical information field-based indoor electrical appliance signal wireless optical communication system - Google Patents
Optical information field-based indoor electrical appliance signal wireless optical communication system Download PDFInfo
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- CN105898248A CN105898248A CN201410816806.8A CN201410816806A CN105898248A CN 105898248 A CN105898248 A CN 105898248A CN 201410816806 A CN201410816806 A CN 201410816806A CN 105898248 A CN105898248 A CN 105898248A
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Abstract
The invention relates to an optical information field-based indoor electrical appliance signal wireless optical communication system. The system is composed of two major parts, namely, an optical information field module and an optical information demodulation terminal (namely an optical transceiver); the optical information field module performs signal fusion on three kinds of electrical appliance signals, namely home video signals, audio signals and control signals; fused signals are processed by an encoding circuit; modulated signals can be formed through a modulation circuit; the modulated signals are driven through a driving circuit, and thereafter switch on an LED; light emitted by the LED is projected into a house through an optical transmitting system; an indoor optical information field can be formed through the diffuse reflection of the light; the optical transceiver is connected with electrical appliance interfaces through a standard interface; the optical receiving system of the optical transceiver receives optical information from the indoor optical information field; the optical information is converted into electric signals through a photoelectric conversion circuit; the electric signals are processed through a demodulation circuit and a decoding circuit, so that interface signals required by corresponding electrical appliances can be obtained; and the interface signals are transmitted to the electrical appliances through the standard interface. Compared with the prior art, the optical information field-based indoor electrical appliance signal wireless optical communication system of the invention is applied to indoor weak electric signal transmission, can replace indoor audio and video transmission lines, integrates a multi-electric appliance remote control function, and has the advantages of no need for wiring, high mobility, high expansibility, convenience use and the like.
Description
Technical field
The present invention relates to the wireless light communication field of indoor electric appliance signal, a kind of indoor electric appliance based on optical information field is believed
Number radio optical communication system.
Background technology
The household appliance signal of existing household mostly is wire transmission, such as closed-circuit television, the audio signal etc. of sound equipment.To this end,
In the engineering such as house decoration, transformation, sound line and interface, video link and interface, electric control switch
Installation site is the problem of overriding concern before construction, needs to be pre-designed cable trend, lay cable, to TV close line,
All kinds of light current interface such as telephone wire is transformed, and once changes cost higher；Additionally, all kinds of household electrical appliance remote controllers are each
For political affairs, receive and find all kinds of remote controller, be also frequent problems faced of living at home.
Along with the development of technology, wireless light communication technology is growing, and all kinds of optic communication equipment constantly occur, audio frequency, video
And the optical communication technique of control signal is increasingly mature.Relative to cable communicating technology, radio communication technology, wireless light communication
Technology has signal transmission capabilities and is limited by force, not by bandwidth, frequency spectrum resource, the advantage such as no electromagnetic pollution, good confidentiality.
Summary of the invention
In view of this, it is an object of the invention to provide a kind of indoor electric appliance of based on optical information field signal wireless light communication system
System, utilizes and covers indoor optical information field, it is achieved the wireless light communication of indoor electric appliance control signal, passes with the indoor audio frequency of replacement
Lines and interface, video link and interface, electric control switch and numerous electric appliance remote controllers.
The purpose of the present invention, realizes by following technical solution:
A kind of indoor electric appliance signal radio optical communication system based on optical information field, it is characterised in that including: optical information field mould
Block and optical information demodulation terminal (being called for short: optical transmitter and receiver) two parts.
The video signal registered one's residence, audio signal, three kinds of electrical signals of control signal are melted by described optical information field module through signal
Closing circuit and carry out signal fused, after encoded processing of circuit, form modulated signal by modulation circuit, modulated signal is passed through
After drive circuit drives, light the light that LED, LED send, project indoor by optical emission system, overflowing by light
Reflect to form room light information field；
Described optical transmitter and receiver is connected to electrical apparatus interface with standard interface, and the optical receiving system of optical transmitter and receiver connects from room light information field
Receive optical information, by photoelectric switching circuit, be converted to the signal of telecommunication, process out corresponding electrical equipment by demodulator circuit and decoding circuit
The interface signal needed, and it is transferred to electric equipment by standard interface.
Described LED, it is characterised in that: it is designed based on two kinds of LED of visible ray and infrared light, infrared LED and visible
Lighting during light LED difference, when i.e. opening visible LED, infrared light LED closes；When opening infrared light LED, it is seen that light
LED closes.
Described optical information field, it is characterised in that: optical information field contains video signal, audio signal, control signal three
Plant the modulation intelligence of electrical signal.
Described standard interface, it is characterised in that: the electrical apparatus interface being connected with optical transmitter and receiver is compatible, it is not necessary to change electrical apparatus interface,
Realize the transmission of electrical apparatus interface data.
The present invention compared with prior art has the advantage that
1. video signal, audio signal, three kinds of electrical signals of control signal are merged in optical information field described in, coordinate described optical transmitter and receiver,
Indoor sound line and interface, video link and interface, electric control switch and each electric appliance remote controller can be substituted.
2. realized the diffuse-reflectance covering of indoor electric appliance signal by described optical information field, as long as there being the place of light just can receive
To signal.
3., by described infrared and visible ray two kinds of light of two kinds of LED emission, it is not necessary to during illumination, infrared LED launches information light
?；Need to open visible LED during illumination, while transmission optical information, take into account illumination and use.
In sum, the present invention uses optical communication technique to realize indoor communications, wired change wirelessly remove household electrical appliances layout
Limited by circuit；All home wiring control can be integrated in a remote controller, practical, it is simple to promote the use of.
Below by drawings and embodiments, technical scheme is described in further detail.
Accompanying drawing explanation
Fig. 1 is the theory diagram of the present invention；
Fig. 2 is the use scheme of installation of the present invention.
Detailed description of the invention
As it is shown in figure 1, the present invention includes optical information field module and optical information demodulation terminal (being called for short: optical transmitter and receiver) two parts,
The composition of each several part and principle be:
Optical information field module is by signal fused circuit, coding circuit, modulation circuit, drive circuit, LED and optical emitting
System 6 part forms.Each several part effect and principle be: signal fused circuit is by the video signal registered one's residence, audio signal, control
Three kinds of electrical signals of signal processed merge, and are fused into a kind of digital signal；The digital signal of fusion is compiled by coding circuit
Code, forms coding signal, in order to described optical transmitter and receiver carries out information retrieval；Coding signal is modulated at high frequency and carries by modulation circuit
On ripple, form modulated signal, it is simple to the optical transport of information；Modulated signal is carried out power drive by drive circuit, forms power
Signal；The power signal being added on LED so that LED is luminous；The light that LED sends, by the light path of optical emission system
Send, form described optical information field.
Optical transmitter and receiver is connected to electrical apparatus interface with standard interface, and optical transmitter and receiver is by optical receiving system, photoelectric switching circuit, demodulation electricity
Road, decoding circuit and standard interface 5 part composition.Each several part effect and principle be: by the light path of optical receiving system from
Room light information field receives optical information；Optical information passes through photoelectric switching circuit, is converted to the signal of telecommunication；The signal of telecommunication is by demodulation
Circuit demodulates modulation intelligence；Modulation intelligence processes out, by decoding circuit, the signal that corresponding electrical equipment needs；Decoding signal passes through
Standard interface is transferred to domestic electric appliance.
The installation of optical information field module of the present invention and two parts of optical transmitter and receiver is as shown in Figure 2.The installation of the present invention and use
Method is:
Optical information field module connects the data wire of registering one's residence needing transmission, is arranged on the indoor needing to transmit electrical signal, is arranged on
The information field enabling optical information field module to send covers optical transmitter and receiver；Optical transmitter and receiver is connected to need on the electrical equipment of transmission signal, logical
Cross standard interface to be plugged on the data-interface of household electrical appliance, and unscreened be placed in optical information field scope.Different household electrical appliance,
The coding to optical transmitter and receiver is needed to carry out different settings.Optical information field module can also use as illuminating lamp simultaneously, works as needs
During illumination, open visible ray, it is seen that optical information field had both been transmitted information and has been illuminated simultaneously；When need not illumination, closedown can
See light, send infrared light information, carry out information transmission.
In sum, the present invention is converted to optical signal by optical information field module electrical signal of will registering one's residence, formation optical information field,
Optical information field covers optical transmitter and receiver, the information that optical information field is transmitted by optical transmitter and receiver, is converted into institute's connecting circuit by demodulation, decoding
The signal needed, is transferred to household electrical appliance.
The detailed description of the invention of the above is the better embodiment of the present invention, not limits being embodied as of the present invention with this
Scope, the scope of the present invention includes being not limited to this detailed description of the invention, what all shapes according to the present invention, structure were made etc.
Effect change is the most within the scope of the present invention.
Claims (4)
1. an indoor electric appliance signal radio optical communication system based on optical information field, it is characterised in that including:
Optical information field module (1), described optical information field module (1) is by the video signal registered one's residence, audio signal, control letter
Numbers three kinds electrical signals carry out signal fused by signal fused circuit (3), after encoded circuit (4) processes, pass through
Modulation circuit (5) forms modulated signal, after modulated signal is driven by drive circuit (6), lights LED (7), LED
(7) light sent, projects indoor by optical emission system (8), by optical information field in the diffuse-reflectance forming chamber of light
(9)；
Optical information demodulation terminal (being called for short: optical transmitter and receiver) (2), described optical transmitter and receiver (2) is connected to electricity with standard interface (14)
Device interface, the optical receiving system (9) of optical transmitter and receiver (2) receives optical information from room light information field, passes through opto-electronic conversion
Circuit (10), is converted to the signal of telecommunication, and processing out corresponding electrical equipment by demodulator circuit (11) and decoding circuit (12) needs
Interface signal, and be transferred to electric equipment by standard interface (13).
LED the most according to claim 1 (7), it is characterised in that: based on visible ray and two kinds of LED (7) of infrared light
Being designed, infrared LED (7) and visible LED (7) are lighted time different, when i.e. opening visible LED (7), red
Outer smooth LED (7) is closed；When opening infrared light LED (7), it is seen that light LED (7) closes.
Optical information field the most according to claim 1, it is characterised in that: optical information field contains video signal, audio frequency
Signal, the modulation intelligence of three kinds of electrical signals of control signal.
Standard interface the most according to claim 1 (13), it is characterised in that: the electrical equipment being connected with optical transmitter and receiver (2) connects
Mouth is compatible, it is not necessary to change electrical apparatus interface, it is achieved the transmission of electrical apparatus interface data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410816806.8A CN105898248B (en) | 2014-12-23 | 2014-12-23 | Indoor electric appliance signal radio optical communication system based on optical information |
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| CN201410816806.8A CN105898248B (en) | 2014-12-23 | 2014-12-23 | Indoor electric appliance signal radio optical communication system based on optical information |
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| CN105898248B CN105898248B (en) | 2017-10-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110912608A (en) * | 2019-11-29 | 2020-03-24 | 南昌航空大学 | Single LED-based visible light real-time voice image communication coding system and method |
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| DD01 | Delivery of document by public notice |
Addressee: Armored Infantry Engineering College, People's Liberation Army Document name: Notification of Passing Preliminary Examination of the Application for Invention |
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| C06 | Publication | ||
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Cao Yong Inventor after: Shao Sijie Inventor after: Huang Yingqing Inventor after: Zhao Zhanbiao Inventor after: Zheng Boxi Inventor after: Xu Chao Inventor after: Wang Hucheng Inventor before: Cao Yong Inventor before: Wang Fei Inventor before: Li Huaying Inventor before: Song Zhongkang Inventor before: Shao Sijie Inventor before: Huang Yingqing Inventor before: Wei Shuguang Inventor before: Zhao Zhanbiao Inventor before: Hao Na Inventor before: Zheng Boxi Inventor before: Xu Chao Inventor before: Wang Hucheng |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20170828 Address after: 100192 Beijing city Haidian District Junan home building No. 705 west 3 Applicant after: Cao Yining Address before: 100072 Beijing City, Fengtai District, the home of the No. 21 Applicant before: Armored Infantry Engineering College, People's Liberation Army |
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