CN107332613A - A kind of intelligent electric motor car V2V communication systems based on LED visible light communication - Google Patents
A kind of intelligent electric motor car V2V communication systems based on LED visible light communication Download PDFInfo
- Publication number
- CN107332613A CN107332613A CN201710427873.4A CN201710427873A CN107332613A CN 107332613 A CN107332613 A CN 107332613A CN 201710427873 A CN201710427873 A CN 201710427873A CN 107332613 A CN107332613 A CN 107332613A
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- China
- Prior art keywords
- visible light
- led
- electric motor
- vcu
- intelligent electric
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
- H04B10/114—Indoor or close-range type systems
- H04B10/116—Visible light communication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/50—Transmitters
- H04B10/501—Structural aspects
- H04B10/502—LED transmitters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/50—Transmitters
- H04B10/516—Details of coding or modulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/60—Receivers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L12/40006—Architecture of a communication node
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L2012/40208—Bus networks characterized by the use of a particular bus standard
- H04L2012/40215—Controller Area Network CAN
Abstract
The invention discloses a kind of intelligent electric motor car V2V communication systems based on LED visible light communication, including VISIBLE LIGHT EMISSION unit and visible light receiving unit, VISIBLE LIGHT EMISSION unit is some electric signals produced in VCU, the High Speed Modulation visible ray sent using vehicle LED is information carrier, electric signal is converted into optical signal, and launches this optical signal to free space；It can be seen that light receiving unit is detected using clear glass formula solar panel to visible ray, optical carrier is received, information of vehicles is obtained after decoding, and these information are transmitted to VCU.Compared with prior art, present system is communicated by sending and receiving for optical signal to set up between car and car, and simple to operate, no electromagnetic interference, reliability are high.Present system employs clear glass formula solar panel as the harvester of optical signal simultaneously, integrates transparent, keeps out the wind, charging and gathering signal, greatly reducing the setting of hardware, save hardware cost and the energy.
Description
Technical field
The invention belongs to electric automobile communication technical field, and in particular to a kind of intelligence electricity based on LED visible light communication
Motor-car V2V communication systems.
Background technology
With the development and the propagation of environmental protection and energy saving theory of battery technology, electric automobile is increasingly by the green grass or young crops of consumer
Look at, while being also the project that government supports energetically.The design of electric car is more and more intelligent, in addition to the intelligence system of bicycle,
Intelligent communication system between car and car is also particularly significant.Communication between car and car can share some data messages, before making
The vehicle of left and right can make correct response according to the information received afterwards.
The research of current V2V (vehicle-to-vehicle, vehicle-to-vehicle) communications be mainly used in combination wireless communication technology,
Sensor technology, GPS technology and various radio broadcasting agreements.The use of traditional wireless communication technology is easily led to vehicle electronics
The precision instruments such as boat bring electromagnetic interference, and driver is in the electromagnetic radiation environment health of system generation easily by shadow for a long time
Ring, while the use of radio broadcasting agreement easily produces broadcast storm, information leakage and fatigue driving.Visible light communication technology
Based on visible light emitting diode, the light carrier of the imperceptible high speed modulation of naked eyes sent using taillight before automobile is believed
Number information is modulated and transmitted, then received optical carrier using electrooptical devices such as photodiodes and obtain
Information.
LED visible light communication belongs to green communications, in the absence of electromagnetic radiation, to personal very safe, synchronous signal light source
Transmission power is high.In visible LED communication system, because communication light source is duplicate irrelevant visible with natural light
Light, therefore need not generally limit transmission power；The device that visible light communication system needs than radio system much less, this
Cost will be substantially reduced, and the high-luminous-efficiency of LED/light source causes the power consumption of data transportation requirements can be ignored.
In addition, visible light communication technology is just progressively ripe, the formulation for standardization is also being constantly updated and improved；China
Research for visible light communication has also put into substantial amounts of man power and material, and Tsing-Hua University and Fudan University etc. are in visible light communication
Aspect all achieves certain achievement in research；Along with 5G arrival, it is seen that optic communication can undoubtedly turn into main flow communication of future generation
Technology.Remarkable progress, researcher's research and development of Michigan State University are also obtained along with the research of transparent solar cell plate
A kind of fully transparent solar concentrator is gone out, it can be by any window or gamma transition into photovoltaic solar cell.
Publication No. CN105978990A Chinese patent proposes a kind of automobile based on visible light communication and sees logical in real time
Letter system and communication means, including some optical transmitter and receivers, controller, information write-in device, information read device and memory, lead to
Cross sending and receiving for optical signal to communicate or " dialogue " in real time to help people to set up with the people in other vehicles, final energy
It is enough by language or it is other become apparent from the way of point out driver.The communication system is also based on visible ray, but for light
Reception need to increase new device, to design new control module, need to put into larger cost on hardware, and for connecing
Receive after the signal that other vehicles are transmitted, it is impossible to directly make emergency reaction.The system is only met between car and car simultaneously
Communication function, in terms of energy storage without reference to.
The content of the invention
In view of above-mentioned, the invention provides a kind of intelligent electric motor car V2V communication systems based on LED visible light communication, light
Receive and use clear glass formula solar panel, integrate signal acquisition and charging, light transmitting uses the front and rear LED cars of automobile
Lamp, in case of emergency makes directly make a response under intelligent electric motor car is unattended, it is to avoid the generation of traffic accident.
A kind of intelligent electric motor car V2V communication systems based on LED visible light communication, the VCU with intelligent electric motor car
(Vehicle Control Unit, control unit for vehicle) is connected, and the system includes VISIBLE LIGHT EMISSION unit and visible ray connects
Receive unit；Wherein, the VISIBLE LIGHT EMISSION unit be used for by the electric signal produced by VCU on speed, direction, with front and rear car
The modulates information such as distance, body dimensions and gps coordinate is loaded onto in visible ray, and then using LED car lamp to around being sent out
Penetrate；The visible light receiving unit is used to detect the visible ray of surrounding and be demodulated the optical carrier collected to obtain week
The traffic state information of vehicle is enclosed, and by these information transmissions to VCU.
Preferably, the visible light receiving unit uses clear glass formula solar panel, i.e., by before and after intelligent electric motor car
The cowl of left and right is adapted as clear glass formula solar panel, the solar panel both adopting as optical carrier
Acquisition means, while the absorption plant of luminous energy is also served as, so as to be charged for the power-supply system of intelligent electric motor car.
Further, the clear glass formula solar panel includes optical receiver and demodulator, when solar panel
Optical receiver receives the optical carrier sent from LED car lamp, then is translated into electric signal, then by demodulator by the electricity
Signal is converted into coded data, and then is sent to VCU by CAN.
Further, the visible light receiving unit includes PIN-type photo-detector, amplifier, wave filter and demodulator；
Wherein, PIN-type photo-detector is used to detect the visible ray of surrounding and the optical carrier collected is converted into micro-current signal,
Amplifier is then amplified to the micro-current signal, and wave filter is then filtered to the micro-current signal after amplification, and demodulator is then
The traffic state information for obtaining surrounding vehicles is demodulated to filtered micro-current signal, and then is sent to by CAN
VCU。
Further, the information that the VCU is provided visible light receiving unit is carried out after respective handling analysis, vehicle-mounted aobvious
Visualization shows surrounding vehicles and its relevant information in display screen, and carries out prompting and pre- by intelligent sound according to these information
It is alert, and mandatory control in case of emergency is carried out to vehicle.
Further, the VISIBLE LIGHT EMISSION unit includes LED modulation drive modules and LED car lamp；Wherein, VCU will
Speed, direction, the electric signal with front-and-rear vehicle distance from information such as, body dimensions and gps coordinate is carried to transmit by CAN
Give LED modulation drive modules, the LED modulates visible ray that drive module sent using LED car lamp as carrier and by telecommunications
Relevant information modulation in number is loaded onto in visible ray, and then drives LED car lamp to around being launched.
Compared with prior art, the intelligent electric motor car V2V communication systems of the invention based on LED visible light communication are believed by light
Number send and receive cause between car and car set up communicate, it is simple to operate, no electromagnetic interference, reliability height.While this hair
Bright system employs clear glass formula solar panel as the harvester of optical signal, collects transparent, keeps out the wind, charges and gather letter
Number it is integrated, greatly reduces the setting of hardware, save hardware cost and the energy.
Brief description of the drawings
Fig. 1 is the communication schematic diagram between intelligent electric automobile of the present invention.
Fig. 2 is the information transfer schematic diagram of intelligent electric automobile of the present invention.
Fig. 3 is the design diagram of intelligent electric automobile of the present invention.
Embodiment
In order to more specifically describe the present invention, below in conjunction with the accompanying drawings and embodiment is to technical scheme
It is described in detail.
The present invention proposes a kind of intelligent electric motor car V2V communication systems based on LED visible light communication so that vehicle and car
It can be communicated between by the system, as shown in Figure 1.The communication system includes VISIBLE LIGHT EMISSION unit and visible light-receiving
Unit, it is seen that Optical Transmit Unit is for (information entrained by these electric signals to include some electric signals produced in automobile VCU
But it is not limited to：The speed of automobile, direction, the distance with front and rear car, bodywork height and width, GPS information etc.) sent out with vehicle LED
The High Speed Modulation visible ray gone out is information carrier, electric signal is converted into optical signal, and launch this optical signal to free space；
It can be seen that light receiving unit be used for optoelectronic information is detected, receive optical carrier, obtained after decoding vehicle essential information with
Transport information, and these information are transmitted to the VCU of electric automobile, automobile is made corresponding operation according to the information received.
Wherein, it is seen that Optical Transmit Unit includes LED and modulates drive module and LED transmitter modules (i.e. LED car lamp), vehicle
The simple and quick electric signal being encoded into after electric signal, coding of transport information is reached LED modulation drive modules by VCU through CAN
It is loaded on vehicle-mounted LED lamp and is modulated to visible light signal.
Visible light receiving unit uses clear glass formula solar panel in present embodiment, i.e., before electric car,
The transparent mode solar panel is all installed with side below, this transparent solar battery panel can adopting as optical signal
Acquisition means, while can also be charged by absorbing optical signal to electric car.
Clear glass formula solar panel includes optical receiver and demodulator, when optical receiver is received from LED car lamp hair
Optical signal, then be converted into electric signal by the optical signal gone out, and the electric signal then is converted into coded data by demodulator, passed through
CAN is sent to the VCU of intelligent electric motor car.
As shown in Fig. 2 the specifying information transmitting procedure of present embodiment V2V communication systems is as follows：
(1) the information gathering stage：Vehicle in use, except essential informations such as the width and high and model of vehicle
Outside, some action messages (change of such as speed, the conversion in direction, GPS location information etc.) are there is also, these information are can be real
Shi Bianhua's, and the change of the driving information of a certain can influence to travel the change of the vehicle behavior around on same section with it
It is dynamic.In the present embodiment because intelligent electric automobile control system is fairly simple, VCU modules control the behavior of vehicle, this
A little information are encoded via VCU correlation modules.
(2) information transmission phase：After VCU is encoded to information, LED is delivered to by CAN and modulates drive module,
And launched by LED car lamp.
(3) information receives the stage：Using visible light receiving unit be clear glass formula solar panel collection front truck or
It is the visible ray that rear car is sent, the glass type solar panel can be converted into the optical signal collected electric signal, and electricity
Signal is reached in VCU control circuit, electric car is made certain prompting or emergency operation.Glass type solar panel is removed
It is connected with VCU control module outer, is also connected with the power supply source of intelligent electric motor car, it is same meet that signal receives and convert
When, battery can also be charged.
As shown in figure 3, solar automobile of the present embodiment intelligent electric automobile including being arranged on place of being kept out the wind immediately ahead of vehicle body
Window 1, installed in solar energy vehicle window 2 below, the solar energy vehicle window 3 installed in side and installed in vehicle body rear and front end
LED car lamp 4 and 5.LED car lamp 4 and 5 launches the visible light signal for being loaded with information of vehicles to free space, preceding solar automobile
Window 1 can receive the optical signal sent from front vehicles, and rear solar energy vehicle window can receive the light sent from vehicle below
Signal, vehicle window 3 then receives the vehicle of the left and right sides, or the optical signal that rear ramp vehicle is sent.
The above-mentioned description to embodiment is understood that for ease of those skilled in the art and using the present invention.
Person skilled in the art obviously can easily make various modifications to above-described embodiment, and described herein general
Principle is applied in other embodiment without passing through performing creative labour.Therefore, the invention is not restricted to above-described embodiment, ability
Field technique personnel are according to the announcement of the present invention, and the improvement made for the present invention and modification all should be in protection scope of the present invention
Within.
Claims (6)
1. a kind of intelligent electric motor car V2V communication systems based on LED visible light communication, are connected with the VCU of intelligent electric motor car, its
It is characterised by：The communication system includes VISIBLE LIGHT EMISSION unit and visible light receiving unit；Wherein, the VISIBLE LIGHT EMISSION list
Member be used for by the electric signal produced by VCU on speed, direction, with front-and-rear vehicle distance from, body dimensions and GPS coordinate information
Modulation is loaded onto in visible ray, and then using LED car lamp to around being launched；The visible light receiving unit is used to detect week
The visible ray that encloses simultaneously is demodulated the traffic state information for obtaining surrounding vehicles to the optical carrier collected, and these are believed
Breath sends VCU to.
2. intelligent electric motor car V2V communication systems according to claim 1, it is characterised in that：The visible light receiving unit
Using clear glass formula solar panel, i.e., the cowl of intelligent electric motor car all around is adapted as clear glass formula
Solar panel, the solar panel is both as the harvester of optical carrier, while the absorption plant of luminous energy is also served as, from
And it is the power-supply system charging of intelligent electric motor car.
3. intelligent electric motor car V2V communication systems according to claim 2, it is characterised in that：The clear glass formula sun
Energy panel includes optical receiver and demodulator, when the optical receiver of solar panel receives the light carrier sent from LED car lamp
Signal, then be translated into electric signal, the electric signal then is converted into coded data by demodulator, and then pass through CAN
It is sent to VCU.
4. intelligent electric motor car V2V communication systems according to claim 1, it is characterised in that：The visible light receiving unit
Including PIN-type photo-detector, amplifier, wave filter and demodulator；Wherein, PIN-type photo-detector be used for detect around can
See light and the optical carrier collected is converted into micro-current signal, amplifier is then amplified to the micro-current signal, filter
Ripple device is then filtered to the micro-current signal after amplification, and demodulator is then demodulated to filtered micro-current signal and obtains week
The traffic state information of vehicle is enclosed, and then VCU is sent to by CAN.
5. intelligent electric motor car V2V communication systems according to claim 1, it is characterised in that：The VCU is to visible light-receiving
The information that unit is provided is carried out after respective handling analysis, and visualization shows surrounding vehicles and its related letter on vehicle-carrying display screen
Breath, and pointed out according to these information by intelligent sound and early warning, and mandatory control in case of emergency is carried out to vehicle
System.
6. intelligent electric motor car V2V communication systems according to claim 1, it is characterised in that：The VISIBLE LIGHT EMISSION unit
Drive module and LED car lamp are modulated including LED；Wherein, VCU will carry speed, direction, with front-and-rear vehicle distance from, vehicle body chi
Very little and GPS coordinate information electric signal sends LED to by CAN and modulates drive module, and the LED modulates drive module
Relevant information modulation in electric signal as carrier and is loaded onto in visible ray by the visible ray sent using LED car lamp, and then
Driving LED car lamp is to around being launched.
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107911168A (en) * | 2017-11-30 | 2018-04-13 | 南京协众汽车空调集团有限公司 | A kind of car plate authentication method and device based on car light |
| 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 |
| CN109147391A (en) * | 2018-09-06 | 2019-01-04 | 南京邮电大学 | Based on visible light communication intelligent transportation system and alarm method and spacing keeping method |
| CN109768830A (en) * | 2019-03-07 | 2019-05-17 | 西安电子科技大学 | Vehicle-mounted visible light communication receiving end device based on photovoltaic cell |
| CN109861753A (en) * | 2019-02-25 | 2019-06-07 | 深圳第三代半导体研究院 | Based on InGaN microns of LED photovoltaic detector arrays and its application |
| CN111034229A (en) * | 2018-09-30 | 2020-04-17 | 深圳市大疆创新科技有限公司 | Information processing method, device, carrier and storage medium |
| CN112365738A (en) * | 2020-11-03 | 2021-02-12 | 江苏钰明集团有限公司 | Intelligent community network parking system |
| CN112423057A (en) * | 2020-11-26 | 2021-02-26 | 湖北大学 | Vehicle-mounted visible light data communication system |
| CN112437054A (en) * | 2020-11-11 | 2021-03-02 | 广州天行健汽车科技有限公司 | Vehicle ad hoc network safety control method based on optical transmission |
| CN113037382A (en) * | 2021-03-24 | 2021-06-25 | 新疆大学 | Hybrid multi-beam visible light link communication system and method for motorcade interconnection |
| CN114268369A (en) * | 2021-12-20 | 2022-04-01 | 东南大学 | Inter-vehicle network communication system based on visible light |
| CN114915338A (en) * | 2021-02-07 | 2022-08-16 | 中国联合网络通信集团有限公司 | Vehicle communication method and device |
| CN116155380A (en) * | 2023-04-24 | 2023-05-23 | 长春希达电子技术有限公司 | Vehicle-mounted optical communication signal transmitting device, signal communication device and vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107911168A (en) * | 2017-11-30 | 2018-04-13 | 南京协众汽车空调集团有限公司 | A kind of car plate authentication method and device based on car light |
| 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 |
| CN109147391A (en) * | 2018-09-06 | 2019-01-04 | 南京邮电大学 | Based on visible light communication intelligent transportation system and alarm method and spacing keeping method |
| CN111034229A (en) * | 2018-09-30 | 2020-04-17 | 深圳市大疆创新科技有限公司 | Information processing method, device, carrier and storage medium |
| CN109861753A (en) * | 2019-02-25 | 2019-06-07 | 深圳第三代半导体研究院 | Based on InGaN microns of LED photovoltaic detector arrays and its application |
| CN109768830A (en) * | 2019-03-07 | 2019-05-17 | 西安电子科技大学 | Vehicle-mounted visible light communication receiving end device based on photovoltaic cell |
| CN112365738A (en) * | 2020-11-03 | 2021-02-12 | 江苏钰明集团有限公司 | Intelligent community network parking system |
| CN112365738B (en) * | 2020-11-03 | 2021-08-31 | 江苏钰明集团有限公司 | Intelligent community network parking system |
| CN112437054A (en) * | 2020-11-11 | 2021-03-02 | 广州天行健汽车科技有限公司 | Vehicle ad hoc network safety control method based on optical transmission |
| CN112423057A (en) * | 2020-11-26 | 2021-02-26 | 湖北大学 | Vehicle-mounted visible light data communication system |
| CN114915338A (en) * | 2021-02-07 | 2022-08-16 | 中国联合网络通信集团有限公司 | Vehicle communication method and device |
| CN114915338B (en) * | 2021-02-07 | 2023-12-08 | 中国联合网络通信集团有限公司 | Vehicle communication method and device |
| CN113037382A (en) * | 2021-03-24 | 2021-06-25 | 新疆大学 | Hybrid multi-beam visible light link communication system and method for motorcade interconnection |
| CN114268369A (en) * | 2021-12-20 | 2022-04-01 | 东南大学 | Inter-vehicle network communication system based on visible light |
| CN116155380A (en) * | 2023-04-24 | 2023-05-23 | 长春希达电子技术有限公司 | Vehicle-mounted optical communication signal transmitting device, signal communication device and vehicle |
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| CN107332613B (en) | 2019-06-11 |
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