CN205854058U - A kind of vehicle LED communication and illuminator - Google Patents
A kind of vehicle LED communication and illuminator Download PDFInfo
- Publication number
- CN205854058U CN205854058U CN201620730473.1U CN201620730473U CN205854058U CN 205854058 U CN205854058 U CN 205854058U CN 201620730473 U CN201620730473 U CN 201620730473U CN 205854058 U CN205854058 U CN 205854058U
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Abstract
The utility model discloses a kind of vehicle LED communication and illuminator, including LED white light emission module, photodetection receiver module, FPGA governor circuit and coding/decoding module;Described LED white light emission module includes emitter FPGA main control circuit unit, key circuit unit and LED modulation drive circuit unit;Described photodetection receiver module includes receptor FPGA main control circuit unit, opto-electronic receiver amplifier circuit unit and alarm unit, including receiving the silicon cell optical pickup apparatus of carrier signal, the outfan of silicon cell optical pickup apparatus is connected with FPGA coding/decoding module.Information is transmitted, not by electromagnetic interference, it is achieved that information based on white light signal is transmitted, and can carry out the short range mobile communication service of Large Copacity, two-forty by free space.
Description
Technical field
This utility model relates to communication and technical field of intelligent traffic, particularly relates to a kind of vehicle LED communication and illumination
Device.
Background technology
Visible ray wireless communication technology is as the wireless light communication skill that the development of White-light LED illumination technology is set up
Art, is wireless light communication technology based on white light LED part.And white light LED part has low-power consumption, high service life and green
The advantages such as environmental protection, its Output optical power and driving electric current have high response sensitivity, it is possible to realize high-speed data communication.It has
The advantages such as electricity conversion is high, volume is little, are described as the lighting source of forth generation environmental protection.Big with orthodox car halogen
Lamp is compared with HID xenon headlight, and vehicle LED is more energy efficient, more environmentally friendly, more robust, and low-voltage dc power supply can drive, and loads little,
Disturbing weak, to using, environmental requirement is low, better adaptability, thus is used by numerous car manufactures, and is increasingly becoming market
Rising star and the main force.
Vehicular ad hoc network system (VANET, VehicularAd Hoc Network), is by advanced sensor skill
Art, communication technology, data processing technique, network technology, automatic control technology, information publishing technology etc. organically use with whole
Traffic management system and set up a kind of real-time, accurately, efficient transportation integrated management and control system, real
The management of existing intelligent transportation and information service, the development to intelligent transportation is significant.
At present, vehicular ad hoc network systematic research mainly uses radio communication mode, has a disadvantage in that first,
Utilize the information transmission that technology for radio frequency realizes between automobile and automobile, easily the precision equipments such as vehicle electronics navigation are produced
Electromagnetic interference, thus cause the situations such as traffic accident;Secondly, being in for a long time in electromagnetic signal overlay environment, the radiation caused is held
Easily driver's health is produced health effect;Finally, the information that radio communication sends makes to be in the institute in the range of its communication distance
There is automobile can receive information, thus cloud computing processing platform is processed information of vehicles and brings huge with " filter and clean " data
Challenge.
Orthodox car carries out the method for information transmission mainly two kinds, and a kind of is being applied in combination of automobile lamp, if desired for
Beat the information that left steering lamp forwardly automobile sends or overtakes other vehicles when turning left or overtake other vehicles, need to beat when right-hand rotation or pulling over observing
Right turn lamp forwardly automobile sends right-hand rotation or the information of pulling over observing;Another kind is the use of loudspeaker, as when meeting front
When having emergency, using honks reminds preceding vehicle.Although these two kinds of methods are simply efficient, it is to enter between current automobile
The method of row information transmission, but, but having a disadvantage in that first, environment is caused sound pollution by the sound that loudspeaker send,
Loudspeaker are often prohibitted the use of in city or during night;Secondly, driver frequently notices that the car light of automobile all around easily causes
Physical fatigue, so that driver tired driving, aprosexia;Finally, often do not note when driver attention declines
The sound flash alarm system information sent to fore-aft vehicle, thus cause a lot of Traffic Accidents.
Summary of the invention
Technical problem to be solved in the utility model is to provide one can not be by electromagnetic interference, it is achieved Large Copacity, height
A kind of vehicle LED communication of the short-range communication service of speed and illuminator.
To achieve these goals, the technical solution of the utility model is:
Including LED white light emission module, photodetection receiver module, FPGA governor circuit and coding/decoding module;Described LED
White light emission module includes emitter FPGA main control circuit unit, key circuit unit and LED modulation drive circuit unit;Described
Photodetection receiver module includes receptor FPGA main control circuit unit, opto-electronic receiver amplifier circuit unit and alarm unit;Institute
State key circuit unit outfan and connect described emitter FPGA main control circuit unit input, described emitter FPGA master control electricity
Road unit outfan connects described LED modulation drive circuit unit input, and described LED modulation drive circuit unit outfan is even
Connect vehicle-mounted LED lamp;Described photodetector outfan connects the input of described opto-electronic receiver amplifier circuit unit, described opto-electronic receiver
Amplifier circuit unit outfan connects described receptor FPGA main control circuit unit input, described receptor FPGA governor circuit
Unit outfan connects described alarm unit input;Signal edit to be passed is become digital electric signal to send out by described key circuit unit
Giving described emitter FPGA main control circuit unit, signal to be passed is modulated compiling by described emitter FPGA main control circuit unit
Being sent to described LED modulation drive circuit unit after Ma, the signal to be passed received is adjusted by described LED modulation drive circuit unit
Being made as visible light signal and launched by vehicle LED, described photodetector detects the visible light signal that described vehicle LED sends,
And it being transferred to described opto-electronic receiver amplifier circuit unit, the visible light signal of reception is entered by described opto-electronic receiver amplifier circuit unit
Row demodulating and decoding, processing and amplifying, be then sent to described receptor FPGA main control circuit unit, described receptor FPGA master control electricity
The signal received is informed driver by alarm unit by road unit.
Described LED white light emission module also includes emitter reset circuit unit and emitter clock circuit unit, described
The outfan of emitter reset circuit unit and emitter clock circuit unit is connected to emitter FPGA main control circuit unit
Respective input;Described photodetection receiver module also includes receiving reset circuit unit and receiving clock circuit unit, institute
State the outfan receiving reset circuit unit and receive clock circuit unit and connect described receptor FPGA main control circuit unit
Respective input.
Described vehicle LED communication unit is provided with the interface communicated with other equipment, when not realizing LED visible light communication
Time, communication interconnection can be realized by other communication modes.
Described vehicle LED communication unit includes headlight LED communication unit and tail-light LED communication unit;When vehicle is whole
End node is positioned at before mobile relay node, the tail-light LED communication unit of vehicle termination node and the car of mobile relay node
Headlight LED communication unit communicates;When vehicle termination node is positioned at after mobile relay node, the Herba Plantaginis of vehicle termination node
Lamp LED communication unit communicates with the tail-light LED communication unit of mobile relay node;Two are realized by mobile relay node
Jump and multi-hop communication.
Described vehicle LED communication unit can also communicate with roadside fixed access point, and described roadside fixed access point contains
There is the LED communication unit of duplex communication mode;Vehicle termination node is carried out with roadside fixed access point by LED communication unit
Communication, roadside fixed access point can communicate with other computer networks.
Described photodetection receiver module includes the silicon cell optical pickup apparatus receiving carrier signal, silicon cell light
The outfan receiving device is connected with FPGA coding/decoding module.
On the outfan of described silicon cell optical pickup apparatus connect have second amplifying circuit, this second amplifying circuit with
FPGA coding/decoding module is connected.
Prior art compares, and this utility model has the advantage that
This utility model provides a kind of vehicle LED communication and illuminator, utilizes vehicle-mounted white light LEDs as Communication ray
Source, and be received by visible ray carrier signal, transmit information by free space, it is achieved that the signal transmission of white light LEDs
And reception, it is to avoid signal is transmitted the interference brought, it addition, white light LEDs communications can be effective by electromagnetic environment change
Saving the energy, and offer convenience for Consumer's Experience, the signal optical source further accessed for vehicle-mounted wideband high-speed data sets up base
Plinth.
Accompanying drawing explanation
Fig. 1 is circuit theory diagrams of the present utility model;
Fig. 2 is communication scheme between running automobile in the same direction;
Detailed description of the invention
Below in conjunction with the accompanying drawings and example, detailed description of the invention of the present utility model is described in further detail.
As it is shown in figure 1, a kind of vehicle LED communication of the present utility model and illuminator, including LED white light emission module,
Photodetection receiver module, FPGA governor circuit and coding/decoding module;Described photodetection receiver module includes receptor FPGA
Main control circuit unit, opto-electronic receiver amplifier circuit unit and alarm unit;Described key circuit unit outfan connects described sending out
Emitter FPGA main control circuit unit input, described emitter FPGA main control circuit unit outfan connects described LED modulation and drives
Dynamic circuit unit input, described LED modulation drive circuit unit outfan connects vehicle-mounted LED lamp;Described photodetector is defeated
Go out end and connect the input of described opto-electronic receiver amplifier circuit unit, connect described in the connection of described opto-electronic receiver amplifier circuit unit outfan
Receiving device FPGA main control circuit unit input, it is defeated that described receptor FPGA main control circuit unit outfan connects described alarm unit
Enter end;Signal edit to be passed is become digital electric signal to be sent to described emitter FPGA governor circuit list by described key circuit unit
Unit, described emitter FPGA main control circuit unit is sent to described LED modulation and drives electricity after signal to be passed is modulated coding
Road unit, the signal to be passed received is modulated to visible light signal and is sent out by vehicle LED by described LED modulation drive circuit unit
Penetrating, described photodetector detects the visible light signal that described vehicle LED sends, and is transferred to described opto-electronic receiver amplifying circuit
Unit, the visible light signal of reception is demodulated decoding, processing and amplifying, then sends by described opto-electronic receiver amplifier circuit unit
To described receptor FPGA main control circuit unit, the signal received is passed through warning by described receptor FPGA main control circuit unit
Unit informs driver.
Concrete implementation process is:
Input signal encodes in FPGA, amplifies through oversampling circuit and is sent optical information by vehicle LED, photodetection connects
Receive module and receive information, enter FPGA after treatment and be decoded, finally by signal output display.
Claims (7)
1. a vehicle LED communication and illuminator, it is characterised in that: include that LED white light emission module, photodetection receive mould
Block, FPGA governor circuit and coding/decoding module;
Described LED white light emission module includes that emitter FPGA main control circuit unit, key circuit unit and LED modulation drive electricity
Road unit;
Described photodetection receiver module includes receptor FPGA main control circuit unit, opto-electronic receiver amplifier circuit unit and warning
Unit;
Described key circuit unit outfan connects described emitter FPGA main control circuit unit input, described emitter FPGA
Main control circuit unit outfan connects described LED modulation drive circuit unit input, and described LED modulation drive circuit unit is defeated
Go out end and connect vehicle-mounted LED lamp;Described photodetector outfan connects the input of described opto-electronic receiver amplifier circuit unit, described light
Electricity receives amplifier circuit unit outfan and connects described receptor FPGA main control circuit unit input, described receptor FPGA master
Control circuit unit outfan connects described alarm unit input;
Signal edit to be passed is become digital electric signal to be sent to described emitter FPGA governor circuit list by described key circuit unit
Unit, described emitter FPGA main control circuit unit is sent to described LED modulation and drives electricity after signal to be passed is modulated coding
Road unit, the signal to be passed received is modulated to visible light signal and is sent out by vehicle LED by described LED modulation drive circuit unit
Penetrating, described photodetector detects the visible light signal that described vehicle LED sends, and is transferred to described opto-electronic receiver amplifying circuit
Unit, the visible light signal of reception is demodulated decoding, processing and amplifying, then sends by described opto-electronic receiver amplifier circuit unit
To described receptor FPGA main control circuit unit, the signal received is passed through warning by described receptor FPGA main control circuit unit
Unit informs driver.
A kind of vehicle LED communication the most according to claim 1 and illuminator, it is characterised in that: described LED white light emission
Module also includes emitter reset circuit unit and emitter clock circuit unit, described emitter reset circuit unit and transmitting
The outfan of device clock circuit unit is connected to the respective input of emitter FPGA main control circuit unit;
Described photodetection receiver module also includes receiving reset circuit unit and receiving clock circuit unit, and described reception resets
The outfan of circuit unit and reception clock circuit unit connects the respective input of described receptor FPGA main control circuit unit.
3. a kind of vehicle LED communication as claimed in claim 1 or 2 and illuminator, it is characterised in that: described vehicle LED leads to
Letter unit is provided with the interface communicated with other equipment, when not realizing LED visible light communication, can pass through other communication modes
Realize communication interconnection.
4. a kind of vehicle LED communication as claimed in claim 1 or 2 and illuminator, it is characterised in that: described vehicle LED leads to
Letter unit includes headlight LED communication unit and tail-light LED communication unit;When vehicle termination node is positioned at mobile relay node
Above, the tail-light LED communication unit of vehicle termination node leads to the headlight LED communication unit of mobile relay node
Letter;When vehicle termination node is positioned at after mobile relay node, in the headlight LED communication unit of vehicle termination node and movement
The tail-light LED communication unit of node of continuing communicates;Double bounce and multi-hop communication is realized by mobile relay node.
5. a kind of vehicle LED communication as claimed in claim 1 or 2 and illuminator, it is characterised in that: described vehicle LED leads to
Letter unit can also communicate with roadside fixed access point, and described roadside fixed access point contains the LED with duplex communication mode
Communication unit;Vehicle termination node is communicated with roadside fixed access point by LED communication unit, and roadside fixed access point can
Communicate with other computer networks.
6. a kind of vehicle LED communication as claimed in claim 1 and illuminator, it is characterised in that: described photodetection receives
Module includes that the silicon cell optical pickup apparatus receiving carrier signal, the outfan of silicon cell optical pickup apparatus are compiled with FPGA
Decoder module is connected.
7. a kind of vehicle LED communication as claimed in claim 6 and illuminator, it is characterised in that: described silicon cell light connects
Connecting on the outfan of receiving apparatus and have second amplifying circuit, this second amplifying circuit is connected with FPGA coding/decoding module.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201620730473.1U CN205854058U (en) | 2016-07-07 | 2016-07-07 | A kind of vehicle LED communication and illuminator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201620730473.1U CN205854058U (en) | 2016-07-07 | 2016-07-07 | A kind of vehicle LED communication and illuminator |
Publications (1)
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CN205854058U true CN205854058U (en) | 2017-01-04 |
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CN201620730473.1U Expired - Fee Related CN205854058U (en) | 2016-07-07 | 2016-07-07 | A kind of vehicle LED communication and illuminator |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108449136A (en) * | 2018-03-30 | 2018-08-24 | 厦门盈趣汽车电子有限公司 | Information communication system based on car bulb |
-
2016
- 2016-07-07 CN CN201620730473.1U patent/CN205854058U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108449136A (en) * | 2018-03-30 | 2018-08-24 | 厦门盈趣汽车电子有限公司 | Information communication system based on car bulb |
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Legal Events
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170104 Termination date: 20200707 |