CN105898248B - Indoor electric appliance signal radio optical communication system based on optical information - Google Patents
Indoor electric appliance signal radio optical communication system based on optical information Download PDFInfo
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- CN105898248B CN105898248B CN201410816806.8A CN201410816806A CN105898248B CN 105898248 B CN105898248 B CN 105898248B CN 201410816806 A CN201410816806 A CN 201410816806A CN 105898248 B CN105898248 B CN 105898248B
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- 230000003287 optical effect Effects 0.000 title claims abstract description 85
- 238000004891 communication Methods 0.000 title claims abstract description 19
- 230000005236 sound signal Effects 0.000 claims abstract description 8
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- 230000005611 electricity Effects 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000008054 signal transmission Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 6
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Abstract
The present invention relates to a kind of indoor electric appliance signal radio optical communication system based on optical information, the system demodulates terminal (referred to as by optical information module, optical information：Optical transmitter and receiver) two large divisions's composition.The vision signal registered one's residence, audio signal, three kinds of electrical signals of control signal are carried out signal fused by optical information module, after encoded processing of circuit, modulated signal is formed by modulation circuit, after modulated signal is driven by drive circuit, light LED, the light that LED is sent, interior is projected by optical emission system, passes through optical information in the diffusing reflection forming chamber of light；Optical transmitter and receiver is connected to electrical apparatus interface with standard interface, the optical receiving system of optical transmitter and receiver receives optical information from room light information field, pass through photoelectric switching circuit, be converted to electric signal, the interface signal that correspondence electrical equipment needs is handled out by demodulator circuit and decoding circuit, and electric equipment is transferred to by standard interface.Compared with prior art, the present invention is applied to indoor weak electric signal transmission, and alternative indoor sound, video link integrate many electric appliance remote controller functions, have the advantages that without wiring, mobility is good, autgmentability is high, easy to use.
Description
Technical field
The present invention relates to the wireless light communication field of indoor electric appliance signal, especially a kind of indoor electric based on optical information
Device signal radio optical communication system.
Background technology
The household appliance signal of existing household is generally wire transmission, such as the audio signal of closed-circuit television, sound equipment.Therefore,
In the engineerings such as house decoration, transformation, sound line and interface, video link and interface, electric control switch
The problem of installation site is overriding concern before constructing is, it is necessary to be pre-designed cable trend, laying cable, to TV close line, electricity
All kinds of light current interfaces such as words line are transformed, once it is higher to change cost；In addition, all kinds of household electrical appliance remote controllers are respectively
Political affairs, store and find all kinds of remote controls, are also frequent problems faced of living at home.
With the development of technology, wireless light communication technology is growing, and all kinds of optic communication equipment continuously emerge, and audio, regards
The optical communication technique of frequency and control signal is increasingly mature.Relative to cable communicating technology, radio communication technology, wireless light communication
Technology has that signal transmission capabilities are strong, do not limited by bandwidth, frequency spectrum resource, the advantages of no electromagnetic pollution, good confidentiality.
The content of the invention
In view of this, it is an object of the invention to provide a kind of indoor electric appliance signal wireless light communication based on optical information
System, using covering indoor optical information, realizes the wireless light communication of indoor electric appliance control signal, is passed with substituting indoor audio
Defeated circuit and interface, video link and interface, electric control switch and numerous electric appliance remote controllers.
The purpose of the present invention, is realized by following technical solution：
A kind of indoor electric appliance signal radio optical communication system based on optical information, it is characterised in that including：Optical information
Module and optical information demodulation terminal are (referred to as：Optical transmitter and receiver) two parts.
The optical information module is by the vision signal registered one's residence, audio signal, three kinds of electrical signals of control signal by believing
Number fusion circuit carries out signal fused, and after encoded processing of circuit, by modulation circuit formation modulated signal, modulated signal is led to
After overdrive circuit driving, LED is lighted, the light that LED is sent projects interior by optical emission system, pass through the unrestrained anti-of light
Penetrate optical information in forming chamber；
The optical transmitter and receiver is connected to electrical apparatus interface with standard interface, and the optical receiving system of optical transmitter and receiver is from room light information field
Middle reception optical information, by photoelectric switching circuit, is converted to electric signal, and correspondence electricity is handled out by demodulator circuit and decoding circuit
The interface signal that device needs, and electric equipment is transferred to 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
Light LED is lighted when different, that is, when opening visible LED, and infrared light LED is closed；When opening infrared light LED, it is seen that light LED is closed
Close.
Described optical information, it is characterised in that：Vision signal, audio signal, control signal are contained in optical information
The modulation intelligence of three kinds of electrical signals.
Described standard interface, it is characterised in that：It is compatible with the electrical apparatus interface that optical transmitter and receiver is connected, it is not necessary to change electrical equipment and connect
Mouthful, realize the transmission of electrical apparatus interface data.
The present invention has advantages below compared with prior art：
1. described in optical information fusion vision signal, audio signal, three kinds of electrical signals of control signal, coordinate the light end
Machine, can substitute indoor sound line and interface, video link and interface, electric control switch and each appliance remote control
Device.
2. the diffusing reflection for realizing indoor electric appliance signal by optical information field is covered, as long as the place for having light can just connect
Receive signal.
3. launch two kinds of light by described infrared and two kinds of LED of visible ray, it is not necessary to when illuminating, infrared LED transmitting information light
；Need to open visible LED during illumination, while optical information is transmitted, take into account illumination and use.
In summary, the present invention realizes indoor communications using optical communication technique, and household electrical appliances are wirelessly removed by wired change
Layout is limited by circuit；All home wiring controls can be integrated in a remote control, practical, be easy to promote the use of.
Below by drawings and embodiments, technical scheme is described in further detail.
Brief description of the drawings
Fig. 1 is theory diagram of the invention；
Fig. 2 is use scheme of installation of the invention.
Embodiment
As shown in figure 1, the present invention includes optical information module 1 and optical information demodulation terminal (referred to as：Optical transmitter and receiver) 2 two
Point, the composition and principle of each several part are：
Optical information module 1 by：Signal fused circuit 3, coding circuit 4, modulation circuit 5, drive circuit 6, LED7 and light
Learning emission system 8, totally six parts are constituted.Each several part is acted on and principle is：Signal fused circuit 3 is by the vision signal registered one's residence, audio
Signal, three kinds of electrical signals of control signal are merged, and are fused into a kind of data signal；Coding circuit 4 believes the numeral of fusion
Number encoded, form encoded signal, in order to which the optical transmitter and receiver 2 carries out information extraction；Modulation circuit 5 modulates encoded signal
On high frequency carrier, modulated signal is formed, is easy to the optical transport of information；Modulated signal is carried out power drive, shape by drive circuit 6
Power signal；It is added in the power signal on LED7 so that LED lights；The light that LED is sent, passes through the light of optical emission system 8
Road is sent, and forms the optical information 9.
Optical transmitter and receiver 2 is connected to electrical apparatus interface with standard interface 14, and optical transmitter and receiver 2 is by optical receiving system 10, opto-electronic conversion electricity
Totally five parts are constituted for road 11, demodulator circuit 12, decoding circuit 13 and standard interface 14.Each several part is acted on and principle is：Pass through light
The light path for learning reception system 10 receives optical information from room light information field 9；Optical information is converted to by photoelectric switching circuit 11
Electric signal；Electric signal demodulates modulation intelligence by demodulator circuit 12；Modulation intelligence handles out correspondence electricity by decoding circuit 13
The signal that device needs；Decoded signal is transferred to domestic electric appliance by standard interface 14.
The installation of 2 two parts of optical information module 1 and optical transmitter and receiver of the present invention is as shown in Figure 2.The installation of the present invention
And application method is：
The connection of module 1 of optical information field needs the data wire of registering one's residence transmitted, installed in the interior of transmission electrical signal is needed, pacifies
Optical transmitter and receiver 2 is covered mounted in the information field for enabling optical information module 1 to send；Optical transmitter and receiver 2 is connected to the electricity for needing to transmit signal
On device, it is plugged on by standard interface 14 on the data-interface of household electrical appliance, and unobstructed is placed in optical information scope.It is different
Household electrical appliance to the coding of optical transmitter and receiver, it is necessary to carry out different settings.Optical information module can also make as illuminating lamp simultaneously
With, when needing illumination, opening visible ray, it is seen that optical information had both transmitted information while being illuminated；When that need not illuminate,
Visible ray is closed, infrared optical information is sent, information transfer is carried out.
In summary, the present invention is converted to optical signal by the optical information module electrical signal that will register one's residence, and forms optical information
, the information of optical information transmission is converted into by demodulation, decoding and connects electricity by optical information covering optical transmitter and receiver, optical transmitter and receiver
The signal that device needs, is transferred to household electrical appliance.
Embodiment described above is the better embodiment of the present invention, not limits the specific of the present invention with this
Practical range, the scope of the present invention includes being not limited to present embodiment, and all shape, structures according to the present invention are made
Equivalence changes are within the scope of the present invention.
Claims (4)
1. a kind of indoor electric appliance signal radio optical communication system based on optical information, it is characterised in that including：
Optical information module (1), the optical information module (1) is by the vision signal registered one's residence, audio signal, three kinds of control signal
Electrical signal carries out signal fused by signal fused circuit (3), after encoded circuit (4) processing, passes through modulation circuit (5)
Modulated signal is formed, after modulated signal is driven by drive circuit (6), LED (7) is lighted, the light that LED (7) is sent passes through optics
Emission system (8) projects interior, passes through optical information (9) in the diffusing reflection forming chamber of light；
Optical transmitter and receiver (2), the optical transmitter and receiver (2) is connected to electrical apparatus interface with standard interface (14), and the optics of optical transmitter and receiver (2) receives system
System (10) receives optical information from room light information field, by photoelectric switching circuit (11), is converted to electric signal, by demodulating electricity
Road (12) and decoding circuit (13) handle out the interface signal that correspondence electrical equipment needs, and are transferred to electrical equipment by standard interface (14)
Equipment.
2. indoor electric appliance signal radio optical communication system according to claim 1, it is characterised in that：LED (7) includes visible
Light LED and infrared light LED, infrared LED is lighted when different with visible LED, that is, when opening visible LED, and infrared light LED is closed
Close；When opening infrared light LED, it is seen that light LED is closed.
3. indoor electric appliance signal radio optical communication system according to claim 1, it is characterised in that：Included in optical information
Vision signal, audio signal, the modulation intelligence of three kinds of electrical signals of control signal.
4. indoor electric appliance signal radio optical communication system according to claim 1, it is characterised in that：With optical transmitter and receiver (2) even
The electrical apparatus interface connect is compatible, it is not necessary to changes electrical apparatus interface, realizes the transmission of electrical apparatus interface data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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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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| Application Number | Priority Date | Filing Date | Title |
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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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| CN105898248A CN105898248A (en) | 2016-08-24 |
| CN105898248B true CN105898248B (en) | 2017-10-31 |
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| 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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| 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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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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