CN105160897B - A kind of electronic marker board and road information interactive system - Google Patents
A kind of electronic marker board and road information interactive system Download PDFInfo
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- CN105160897B CN105160897B CN201510395037.3A CN201510395037A CN105160897B CN 105160897 B CN105160897 B CN 105160897B CN 201510395037 A CN201510395037 A CN 201510395037A CN 105160897 B CN105160897 B CN 105160897B
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- electronic marker
- marker board
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Abstract
The embodiment of the invention discloses a kind of electronic marker board and road information interactive system.The electronic marker board includes information display module and radio receiving transmitting module, wherein, described information display module is used to show mark information corresponding to the electronic marker board, and the radio receiving transmitting module is used to use mark information corresponding to electronic marker board described in wireless communication mode fixed time broadcast.The technical scheme of the embodiment of the present invention enables vehicle or driver efficiently and accurately obtains the mark information of electronic marker board.
Description
Technical field
The present embodiments relate to wireless communication technique field, especially a kind of electronic marker board and road information interaction system
System.
Background technology
With the development of science and technology auxiliary drives and the unmanned visual field for waiting automatic Pilot technology to step into people, and
Realize automatic Pilot, it is necessary to which realization accurately identifies to road conditions.Common practice is to install video identification on vehicle to set at present
It is standby, road conditions and road sign are identified by camera and video identification technology, then according to recognition result adjust automatically car
Travel speed, direction or give the necessary prompting of driver.
However, video identification technology is highly dependent on extraneous light, when periods of direct sunlight camera or extraneous light change compared with
Greatly (such as:Morning, day just brightened, when afternoon, it was just dimmed), the confidence level of recognition result is even below 30%, can not give car
And driver reliably help.
On the other hand, the object in visual range can only be identified due to video identification technology, when vehicle-mounted camera is by front
When vehicle blocks the visual field, then can not obtain any road information (such as:When running into traffic congestion, the car at bus rear is nothing
Method sees road notice board);Further, since the visual range of vehicle-mounted camera is limited, when vehicle travels front position farther out
Generation traffic accident or road accident (such as:Landslide, water logging, icy road etc.) when, vehicle-mounted identification technology also can not be right
Vehicle, which provides, effectively to help.
The content of the invention
The purpose of the embodiment of the present invention is to provide a kind of electronic marker board and road information interactive system so that vehicle or
Driver is efficient and accurately obtains the mark information of electronic marker board.
In a first aspect, the embodiments of the invention provide a kind of electronic marker board, it is characterised in that including information display module
And radio receiving transmitting module, wherein,
Described information display module is used to show mark information corresponding to the electronic marker board;
The radio receiving transmitting module is used to use road sign corresponding to electronic marker board described in wireless communication mode fixed time broadcast
Information.
Second aspect, the embodiment of the present invention additionally provide a kind of road information interactive system, it is characterised in that including electronics
Sign board and vehicle, the vehicle include wireless receiving module, wherein,
The electronic marker board shows the mark information of itself, and using the road sign of wireless communication mode fixed time broadcast itself
Information;
The wireless receiving module is picked and handles mark information corresponding to the electronic marker board.
The embodiments of the invention provide a kind of electronic marker board and a kind of road information interactive system, solving vehicle can not
The problem of obtaining road information in time, enables vehicle or driver efficiently and accurately obtains the mark information of electronic marker board.
Brief description of the drawings
Fig. 1 is a kind of structure chart of electronic marker board with radio transmission-receiving function in the embodiment of the present invention one;
Fig. 2 is that a kind of electronic marker sign of movement in the embodiment of the present invention one is intended to;
Fig. 3 is a kind of road information interactive system structure chart in the embodiment of the present invention two;
Fig. 4 is multiple electronic marker board road information interactive system structures of the adjacent area in the embodiment of the present invention two
Figure.
Embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention, rather than limitation of the invention.It also should be noted that in order to just
Part related to the present invention rather than entire infrastructure are illustrate only in description, accompanying drawing.
Embodiment one
Fig. 1 is a kind of structure chart for electronic marker board with radio transmission-receiving function that the embodiment of the present invention one provides, should
Electronic marker board can show and can use mark information corresponding to wireless communication mode fixed time broadcast.
The electronic marker board includes information display module 110 and radio receiving transmitting module 120, wherein,
Described information display module 110 is used to show mark information corresponding to the electronic marker board;
The radio receiving transmitting module 120 is used to use road corresponding to electronic marker board described in wireless communication mode fixed time broadcast
Mark information.
Wherein, mark information can be road instruction mark under normal circumstances or road ahead occur congestion,
Warning Mark when traffic accident or road exception, such as:Mark information is congestion at the side road driving that keeps left, front 3km etc..
Wherein, the electronic marker board can be fixed on the relevant position of road, can also be as movement as shown in Figure 2
Electronic marker board is disposed with facilitating;After the electronic mark board can also match video identification device, automatic identification condition of road surface.
AC-powered both can be used in the electronic marker board, can also be powered by " solar energy, wind-force, battery ".
Preferable in such scheme, the radio receiving transmitting module 120 is additionally operable to obtain road conditions letter from road conditions forwarding unit
Breath.Specifically, traffic information can be sent to electronic marker board by road conditions forwarding unit by wireless communication mode, then by electricity
Sub- sign board is sent to vehicle.Exemplary, under normal circumstances, the information of electronic marker board broadcast is pre- for the electronic marker board
If road information;When congestion, traffic accident or road exception occurs in road ahead, road conditions forwarding unit is new by what is monitored
Traffic information be sent to electronic marker board, then traffic information is broadcasted by electronic marker board.
Preferably, the road conditions forwarding unit includes road monitoring center and/or road variable information board.
Specifically, because the variable information board on road typically all has wifi or GPRS wireless communication functions, the electricity
Sub- sign board can utilize wifi or GPRS wireless telecommunications to receive the road from road monitoring center or neighbouring electronic variable advices plate
Condition information.Exemplary, when congestion, traffic accident, road abnormal (water logging, landslide, icing, dense fog occurs in road ahead
Deng) when, the information that Surveillance center is sent to electronic variable advices plate can also be received by described electronic marker board simultaneously, electronics
After sign board receives the information from Surveillance center, then it is translated into corresponding coding and wirelessly sends;If
Variable information board connects with road monitoring centrally through optical fiber, and variable information board receives wide by wifi after the instruction of Surveillance center
Broadcast to the electronic marker board closed on;If variable information board is communicated by GPRS and Surveillance center, electronic marker board can both pass through net
Close and directly receive the information from GPRS, can also be forwarded by the wifi of variable information board.
Preferably, the wireless communication mode includes wifi, zigbee, bluetooth or frequency modulation.
Exemplary, electronic marker board can be sent to special wireless receiver by zigbee or bluetooth and include road conditions
The wireless data of information;Traffic information frequency modulation (FM) can be arrived some channel, be received by radio;It can also pass through
Wifi or bluetooth and mobile communication, mobile phone obtain electronic marker board information by App.
The embodiments of the invention provide a kind of electronic marker board, and the electronic marker board pair is shown by information display module
The mark information answered, and by radio receiver from radio receiving transmitting module to vehicle send mark information, solve vehicle without
Method obtains the problem of road information in time, realizes that vehicle or driver can road sign letters that is excessively efficient and accurately obtaining electronic marker board
The effect of breath.
Embodiment two
Fig. 3 is a kind of road information interactive system structure chart that the embodiment of the present invention two provides, and road information interaction is
System includes electronic marker board 210 and vehicle 220, and the vehicle 220 includes wireless receiving module 221, wherein,
The electronic marker board 210 shows the mark information of itself, and using wireless communication mode fixed time broadcast itself
Mark information;
The wireless receiving module 221 is picked and handles mark information corresponding to the electronic marker board 210.
After electronic marker board 210 receives mark information, show the mark information of itself and determined using wireless communication mode
When be sent to vehicle 220, the wireless receiving module 221 of vehicle 220, which receives road sign corresponding to the electronic mark board 210, to be believed
It is handled after breath, for reference driver.
Preferably, the wireless receiving module 221 includes wireless receiver, radio or intelligent terminal, wherein intelligence is eventually
End can be smart mobile phone, tablet personal computer etc..
Specifically, when vehicle 220 is using special wireless receiver, electronic marker board 210 passes through zigbee or bluetooth
Wireless data, wireless data of the in-car receiver decoding from electronic marker board, then with language are sent to the receiver of in-car
Sound or other forms prompting driver pay attention to;When vehicle 220 is using built-in radio set, electronic marker board 210 is by voice messaging
Frequency modulation (FM) arrives some channel, when radio tuner is in this channel, then can play voice messaging by radio;Work as vehicle
During 220 use intelligent terminal for reception information, electronic marker board 210 passes through wifi or bluetooth and intelligent terminal communicates, intelligent terminal
Electronic marker board information is obtained by App and driver is shown to by sound or other modes.
Preferably, the road information interactive system also includes:
Road conditions forwarding unit, connected for establishing communication with the electronic marker board by optical fiber or wireless network, and to
The electronic marker board sends traffic information.
The wireless network can be GPRS/3G/4G networks, can also be wifi etc..Optical fiber passes with wireless communication
Defeated speed is fast, ensure that vehicle 220 or driver can quickly obtain traffic information.
Preferably, the road information interactive system also includes:
Gateway, for establishing communication connection with least two electronic marker boards, and by optical fiber or wireless network with
The road conditions forwarding unit communication connection.
Need multiple electronic marker boards on a usual region or a road, can by gateway and the same area or
At least two electronic marker boards on one road establish connection, are needed when road conditions forwarding unit finds road or traffic abnormity
When reminding driver or vehicle 220, road conditions forwarding unit can send traffic information to gateway, and the gateway of regional receives prison
Each electronic marker board of one's respective area is sent information to after the information at control center again.
Further, the road conditions forwarding unit includes road monitoring center and/or road variable information board.
As described above, electronic marker board can utilize wifi or GPRS wireless telecommunications receive from road monitoring center or near
The traffic information of electronic variable advices plate.
Fig. 4 is multiple electronic marker board road information interactive system structure charts of adjacent area.As shown in figure 4, the system
Including electronic marker board 210, vehicle 220, gateway 230, Surveillance center 240.
Each region sets a gateway 230, and the gateway 230 is connected to Surveillance center by GPRS/3G/4G or optical fiber
240.When Surveillance center 240 does not broadcast traffic information, each electronic marker board 210 is broadcasted according to presupposed information to vehicle 220
Road conditions, such as:Limit for height 3.5m, speed limit 60km, keeps to the right, and vehicle 220 will receive electronics mark automatically after reaching wireless zone
The traffic information that will board 210 plays;Need to remind driver or vehicle 220 when Surveillance center 240 finds road or traffic abnormity
When, Surveillance center 240 sends prompt message, gateway by optical fiber or public network (GPRS/3G/4G) to the gateway 230 of regional
230 receive the information of Surveillance center 240 after each electronic marker board is sent information to by wifi, zigbee, bluetooth again
210, electronic marker board 210 routes the message to all vehicles 220 in region again.
Further, the electronic marker board 210 is sent different by directional aerial to the vehicle 220 on different tracks
Mark information.
Directional aerial refers on some or certain several specific directions transmitting and to receive electromagnetic wave especially strong, and at other
Direction on transmitting and to receive electromagnetic wave be then zero or a kind of minimum antenna.For the vehicle 220 of divided lane traveling, can pass through
Directional aerial adjusts the wireless coverage of road sign, ensures that information will not be received by the vehicle 220 of adjacent lane.
The embodiments of the invention provide a kind of road information interactive system, the road information interactive system includes electronic marker
Board and vehicle, the vehicle includes wireless receiving module, after electronic marker board receives road information, shows and is sent to vehicle
Wireless receiving module, solve the problems, such as that vehicle can not obtain road information in time, realize vehicle or driver can excessively efficiently and
Accurately obtain the effect of the mark information of electronic marker board.
Pay attention to, above are only presently preferred embodiments of the present invention and institute's application technology principle.It will be appreciated by those skilled in the art that
The invention is not restricted to specific embodiment described here, can carry out for a person skilled in the art various obvious changes,
Readjust and substitute without departing from protection scope of the present invention.Therefore, although being carried out by above example to the present invention
It is described in further detail, but the present invention is not limited only to above example, without departing from the inventive concept, also
Other more equivalent embodiments can be included, and the scope of the present invention is determined by scope of the appended claims.
Claims (6)
1. a kind of electronic marker board, it is characterised in that the electronic marker board is by directional aerial to the vehicle on different tracks
Send different mark informations;
The electronic marker board includes information display module and radio receiving transmitting module, wherein,
Described information display module is used to show mark information corresponding to the electronic marker board;
The radio receiving transmitting module is used to use mark information corresponding to electronic marker board described in wireless communication mode fixed time broadcast;
The radio receiving transmitting module is additionally operable to obtain traffic information from road conditions forwarding unit;
Under normal circumstances, the information of the electronic marker board broadcast is the default road information of electronic marker board;Work as road
When congestion, traffic accident or road exception occurs in front, the electronic marker board obtains what the road conditions forwarding unit monitored
New traffic information, and the new traffic information is broadcasted;
The electronic marker board passes through solar storage battery or wind-force storage battery power supply;
The wireless communication mode includes wifi, zigbee, bluetooth or frequency modulation;
When the wireless communication mode is frequency modulation, traffic information is tuned to target channel so that radio reception by the electronic marker board
Machine is received.
2. electronic marker board according to claim 1, it is characterised in that the road conditions forwarding unit is included in road monitoring
The heart and/or road variable information board.
3. a kind of road information interactive system, it is characterised in that described including electronic marker board, road conditions forwarding unit and vehicle
Vehicle includes wireless receiving module, wherein,
The electronic marker board shows the mark information of itself, using the wireless communication mode fixed time broadcast mark information of itself,
And different mark informations is sent to the vehicle on different tracks by directional aerial, wherein, the wireless communication mode includes
Wifi, zigbee, bluetooth or frequency modulation;
When the wireless communication mode is frequency modulation, traffic information is tuned to target channel so that radio reception by the electronic marker board
Machine is received;
The electronic marker board is additionally operable to obtain traffic information, under normal circumstances, the electronics mark from the road conditions forwarding unit
The information of will board broadcast is the default road information of electronic marker board;When congestion, traffic accident or road occurs in road ahead
During the exception of road, the electronic marker board obtains the new traffic information that the road conditions forwarding unit monitors, and will be described new
Traffic information is broadcasted;
The electronic marker board passes through solar storage battery or wind-force storage battery power supply;
The road conditions forwarding unit, connected for establishing communication with the electronic marker board by optical fiber or wireless network, and to
The electronic marker board sends traffic information;
The wireless receiving module is picked and handles mark information corresponding to the electronic marker board.
4. system according to claim 3, it is characterised in that
The wireless receiving module includes wireless receiver, radio or intelligent terminal.
5. system according to claim 3, it is characterised in that also include:
Gateway, for establishing communication connection with least two electronic marker boards, and by optical fiber or wireless network with it is described
The communication connection of road conditions forwarding unit.
6. according to the system described in claim any one of 3-5, it is characterised in that
The road conditions forwarding unit includes road monitoring center and/or road variable information board.
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Families Citing this family (6)
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US9913247B1 (en) * | 2017-03-16 | 2018-03-06 | Qualcomm Incorporated | Smart signboard-based notification system |
CN106935055B (en) * | 2017-04-07 | 2020-04-28 | 北京汽车集团有限公司 | Vehicle information processing method and device |
CN107564316B (en) * | 2017-10-18 | 2022-02-25 | 特路(北京)科技有限公司 | Information processing method for information board and information board |
CN108022438A (en) * | 2017-11-24 | 2018-05-11 | 南京云游智能科技有限公司 | Urban traffic guidance method, system and electric road sign apparatus based on NB-IoT |
CN109714729B (en) * | 2018-12-21 | 2021-11-19 | 广州中国科学院软件应用技术研究所 | Digital signage communication method and device based on vehicle-road cooperative system, computer equipment and readable storage medium |
CN111622149B (en) * | 2020-06-05 | 2022-08-19 | 内蒙古泰力科技有限公司 | Rotary traffic intelligent safety sign board |
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Denomination of invention: An interactive system for electronic signs and road information Effective date of registration: 20230320 Granted publication date: 20180116 Pledgee: Bank of China Limited by Share Ltd. Guangzhou Tianhe branch Pledgor: Guangdong Electronic Technology Research Institute Registration number: Y2023980035361 |