CN102682617A - System for interacting road traffic identification, information and vehicle - Google Patents
System for interacting road traffic identification, information and vehicle Download PDFInfo
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Abstract
The invention discloses a system for interacting a road traffic identification, information and a vehicle. The system comprises a road traffic identification and an information monitoring center, a road traffic identification road-side node and a vehicle-mounted exhibition terminal, wherein the road traffic identification road-side node comprises a node controller, a node power supply module, a node wireless transmission module and a node communication interface; the vehicle-mounted exhibition terminal is arranged in the vehicle and comprises a terminal controller, a vehicle-mounted wireless transmission module, a touch display module and a data storage module; the road traffic identification road-side node is connected with the road traffic identification and the information monitoring center through the node communication interface for receiving dynamic traffic information and sending vehicle information of the current node; the vehicle-mounted exhibition terminal realizes information interaction with the road traffic identification road-side node through the wireless transmission module: namely, receives the dynamic traffic information and analyzes and stores the received dynamic traffic information, and displays the corresponding identification through the touch display module; and meanwhile, the information of the vehicle is sent to the road traffic identification road-side node.
Description
Technical field
The present invention relates to carry out between road traffic system and the vehicle technology of information interaction, specifically is a kind of road traffic sign, information and the mutual system of vehicle.
Background technology
The road traffic sign is the traffic language that transmits legal information with graphical symbol, literal to human pilot and pedestrian; MP in order to control, warning and channel traffic; It is the means that prevent that the most simply, the most directly and the most effectively road traffic accident from taking place, and is bringing into play important effect in modern times in the control of traffic and road.But the main ways of presentation that adopts plane, static state of present road traffic sign; These static information carriers owing to block, reason such as damage is ignored by the driver easily or misread, and can not play the due effect of sign, simultaneously; For the road traffic multidate information; Owing to lack effective interactive means with the driver, the driver omits these transport information easily, causes these multidate informations not play the effect that timely prompting driver takes reasonable traffic driving behavior.Therefore, research road traffic sign is that very important intelligent transportation science and technology support is technological with the method and apparatus that information in time, accurately offers the driver.This technology provides the aid decision making reference for driving behavior, and for guaranteeing role is played in safe driving, and this technology is as the part of car networking and intelligent transportation, can be for reducing the road traffic rate of blocking up, and the raising road passage capability plays better action.
Existing in-vehicle navigation apparatus is a kind of vehicle mounted road traffic information display device, and it navigates and point out road traffic mark information through employing GPS location technology on the basis of urban digital map.This device receives factor affecting such as reception environment, gps signal precision, numerical map precision, the numerical map of gps signal be new and old bigger.Therefore, under complex environments such as overcast and rainy, downtown area, mountain area, because gps signal is lost, the navigation easy error just can not provide road traffic identification information accurately; On the other hand, some newly-built road or temporary mark not necessarily exist in digital map, navigation directions and standard driving behavior are provided also just can't for driver's technology.It is to obtain the road traffic multidate information that this device also has a problem, therefore, can't make timely prompting to some dynamic road information such as road ahead traffic hazard, road traffic obstruction, the interim constructions of road.For this reason, solve this problem through on in-vehicle navigation apparatus, increasing the GPRS communication technology, but this has increased in-vehicle navigation apparatus operating cost, and can't interiorly on a large scale the road traffic multidate information all be provided each vehicle.
Existing road traffic sign real-time distinguishing apparatus based on video frequency pick-up head also is a kind of vehicle mounted road traffic information display device; It obtains the image information of extraneous road markings through camera; Handled by computing machine, the result after the processing offers the driver through display screen or voice.Because computer vision receives environment and the influence of blocking is bigger, and the position, not of uniform size of road markings at present, and the installing and fixing of camera; Therefore; Camera is omitted the road traffic sign easily, and the sign of identification is judged by accident easily, can not play the effect that traffic is guided.
Summary of the invention
The purpose of this invention is to provide a kind of road traffic sign, information and the mutual system of vehicle; Its real-time is good, accuracy rate is high and do not receive weather and environmental impact; Can directly be illustrated in the content of road markings and road multidate information in the car, to solve: the existing road traffic mark is owing to blocking, damage and reason such as design being ignored by the driver easily or misread; Existing adopt GPS location and navigation by map-matching under complex environment, to navigate to make mistakes and temporary mark and multidate information can't obtain; Adopt the video identification road markings to be subject to weather and to block influence and produce and fail to judge and judge by accident, etc. problem.
For realizing above-mentioned purpose, the technical scheme that the present invention takes is: a kind of road traffic sign, information and the mutual system of vehicle comprise road traffic sign and information monitoring center, road traffic sign roadside node and vehicle-mounted displaying terminal; Wherein:
Road traffic sign roadside node comprises Node Controller, the node power module of node power is provided, and with node wireless transport module that is connected with Node Controller respectively and node communication interface;
Vehicle-mounted displaying terminal is installed in the vehicle, and it comprises terminal control unit, and the onboard wireless transport module, touch display module, the data memory module that are connected with terminal control unit respectively;
Road traffic sign roadside node is through node communication interface linking-up road traffic mark and information monitoring center, and the reception dynamic information; Node Controller is packaged into Frame to the sign content of present node and the dynamic information that receives according to communication protocol, utilizes the node wireless transport module to send Frame then;
In the vehicle-mounted displaying terminal, the onboard wireless transport module can receive the Frame that road traffic mark roadside node sends out through the node wireless transport module, and data frame transfer is arrived terminal control unit; Terminal control unit is resolved and is stored the Frame that receives according to communication protocol, shows respective identification through touch display module then; Terminal control unit is packed the information of this car according to communication protocol simultaneously; And utilize the short-distance wireless communication mode to send to road traffic sign roadside node, and then be sent to road traffic sign and information monitoring center through the communication interface in the node of road signs roadside.
Be the reliable operation of assurance road information sign roadside node, the while energy savings, the node power module is made up of solar panel, accumulator and PMU among the present invention; PMU is a charge in batteries according to the electric energy control solar panel of accumulator, and to start accumulator according to weather conditions be other module for power supply in the node of road traffic sign roadside.The node power module can adopt existing techniques in realizing.
As a kind of improvement, also comprise voice module in the vehicle-mounted displaying terminal of the present invention; When touch display module shows respective identification; Traffic information data after terminal control unit also will be resolved transfers to voice module; Report with voice mode; To prevent that the driver from having ignored the explicit identification in the touch display module for some reason, perhaps when the touch display module cisco unity malfunction, voice module can guarantee that vehicle-mounted displaying terminal still can offer reliably traffic information timely of human pilot.
As a kind of improvement; Also comprise acceleration transducer and GPS module in the vehicle-mounted displaying terminal of the present invention; Acceleration transducer and GPS the module acceleration information and the azimuth information of monitor vehicle respectively are transferred to terminal control unit; The direct of travel that terminal control unit calculates vehicle according to the acceleration information and the azimuth information of vehicle, terminal control unit can optionally receive the information of corresponding road signs roadside node according to the direct of travel that calculates.Acceleration transducer and GPS module are prior art.
Further; The information that the terminal control unit of vehicle-mounted displaying terminal sends to road traffic sign roadside node among the present invention comprises license plate number, car speed and the oil consumption of this car, thus the foundation of adding up dynamic information to road traffic sign and information monitoring center.The communication protocol existing software engineering capable of using of information interaction institute foundation is write between vehicle-mounted displaying terminal, road traffic sign and the road traffic sign roadside node.
Improve as another kind, in the vehicle-mounted displaying terminal of the present invention, be provided with user interface in the touch display module, user interface is provided with can be through the inquiry button of the traffic information data in the terminal control unit visit data memory module.
Beneficial effect of the present invention is: the vehicle-mounted displaying of road markings content has been realized in (1) more conveniently, and system do not receive weather effect, can overcome greasy weather, night, cart to block etc. under the situation and influence the problem that the driver distinguishes road markings;
(2) touch display module and voice module can be showed the road markings content accurately and reliably, have solved because the problem that the driver that aspects such as sign design and driver's understanding cause misreads sign;
(3) vehicle-mounted exhibiting device can optionally receive the information of roadside node according to direct of travel, for driver's driving provides reference information more accurately;
(4) vehicle-mounted exhibiting device can receive the road traffic dynamic information through the roadside node, is convenient to the driver and plans the driving path early;
(5) vehicle-mounted exhibiting device can carry out information interaction with the roadside node, issues the roadside node to travel condition of vehicle, is convenient to Surveillance center's predicted link traffic dynamic information.
Description of drawings
Shown in Figure 1 is the block diagram of system of the present invention;
Shown in Figure 2 is application synoptic diagram of the present invention;
Shown in Figure 3 is vehicle-mounted displaying terminal software flow pattern.
Embodiment
For making content of the present invention more obviously understandable, do to further describe below in conjunction with accompanying drawing and embodiment.
As shown in Figure 1, road traffic sign of the present invention, information and the mutual system of vehicle comprise road traffic sign and information monitoring center 1, road traffic sign roadside node 2 and vehicle-mounted displaying terminal 3.
Road traffic sign roadside node 2 comprises Node Controller 21, the node power module of node power is provided, and with node wireless transport module that is connected with Node Controller 21 respectively 25 and node communication interface 26; The node power module is made up of solar panel 24, accumulator 23 and PMU 22; PMU 22 is accumulator 23 chargings according to the electric energy control solar panel 24 of accumulator 23, and starts accumulator 23 according to weather conditions and identify other module for power supply in the roadside node 2 for road traffic.
Vehicle-mounted displaying terminal 3 is installed in the vehicle; It comprises terminal control unit 31, and the onboard wireless transport module 32 that is connected with terminal control unit 31 respectively, touch display module 35, data memory module 36, voice module 37, acceleration transducer 33 and GPS module 34.
Road traffic sign is made up of one or more computing machine with information monitoring center 1 among the present invention, and computing machine is through fieldbus, will identify content and dynamic information like the RS485 mode and send to corresponding road traffic and identify roadside node 2.The road traffic sign is according to five 204 traffic signs of big class and graticule information of GB5768-1999 regulation; The road traffic multidate information comprises road conditions, weather, accident, violating the regulations, traffic light status etc.These information that the Node Controller 21 of road traffic sign roadside node 2 will receive adopt the Frame encapsulation according to the communication protocol of regulation, send to vehicle-mounted displaying terminal through wireless mode.
As shown in Figure 2; Road traffic sign roadside node adopts the vehicle-mounted displaying terminal of broadcast mode in being installed on vehicle to send the road traffic identification information; In the time of in the vehicle that vehicle-mounted displaying terminal is housed gets into roadside broadcast communication coverage, vehicle-mounted displaying terminal can receive sign and dynamic information according to communications protocol format.In order to practice thrift power consumption, Node Controller can adopt regularly and broadcast a frame electronic mark and an information to periphery, gets into the working method of dormant state then.
In the vehicle-mounted displaying terminal, the onboard wireless transport module utilizes the short-distance wireless communication mode to receive the Frame that road traffic mark roadside node sends out through the node wireless transport module, and data frame transfer is arrived terminal control unit; Terminal control unit is resolved and is stored the Frame that receives according to communication protocol, shows respective identification through touch display module then, reports respective identification and transport information through voice module; Terminal control unit is packed the information of this car according to communication protocol simultaneously; And utilize the short-distance wireless communication mode to send to road traffic sign roadside node; And then being sent to road traffic sign and information monitoring center through the communication interface in the node of road signs roadside, this car information comprises license plate number, car speed and the oil consumption of this car, the vehicle flowrate in this highway section of information of vehicles judgement that road traffic sign and information monitoring center basis receive; Predict possible traffic events; To form dynamic information, send to follow-up roadside node, in order to the driver who gives follow-up vehicle information is provided.
Acceleration transducer and GPS the module acceleration information and the azimuth information of monitor vehicle respectively are transferred to terminal control unit; The direct of travel that terminal control unit calculates vehicle according to the acceleration information and the azimuth information of vehicle, terminal control unit can optionally receive the information of corresponding road signs roadside node according to the direct of travel that calculates.
In the vehicle-mounted displaying terminal; Also be provided with user interface in the touch display module; User interface is provided with can be through the inquiry button of the traffic information data in the terminal control unit visit data memory module, and the user can inquire about and playback correlated identities and transport information through operating touch-screen.
Software flow pattern for terminal control unit in the vehicle-mounted displaying terminal of the present invention shown in Figure 3, terminal control unit can adopt existing chip of micro-computer realizations such as MCU.When operation, the control method step that realizes through software programming comprises:
(1) system initialization: comprise the clock initialization of MCU, interrupt initialization, existing conventional initialization operations such as peripheral hardware initialization;
(2) vehicle-mounted displaying terminal obtains electronic mark information through wireless transport module from road traffic sign and information monitoring center; From the electronic mark Frame that obtains, parse type, position and the directional information etc. of traffic mark then, the concrete parameter of traffic mark can be with reference to prior art; Meanwhile, the gps data that the GPS module obtains is brought in constant renewal in, the lateral acceleration information of the continuous collection vehicle of acceleration transducer;
(3) identification of vehicle running state: vehicle-mounted displaying terminal judges that according to gps data and lateral acceleration information sign is whether on the direction that vehicle moves ahead; For the sign of line direction before the vehicle, on touch display module, show and carry out voice broadcast through voice module; If sign then abandons this electronic mark Frame not on the direction that vehicle moves ahead.
The case of practical implementation described in the present invention is merely preferable case study on implementation of the present invention, is not to be used for limiting practical range of the present invention.Be that all equivalences of doing according to the content of claim of the present invention change and modification, all should be as technological category of the present invention.
Claims (6)
1. the system that road traffic sign, information and vehicle are mutual is characterized in that, comprises road traffic sign and information monitoring center, road traffic sign roadside node and vehicle-mounted displaying terminal; Wherein:
Road traffic sign roadside node comprises Node Controller, the node power module of node power is provided, and with node wireless transport module that is connected with Node Controller respectively and node communication interface;
Vehicle-mounted displaying terminal is installed in the vehicle, and it comprises terminal control unit, and the onboard wireless transport module, touch display module, the data memory module that are connected with terminal control unit respectively;
Road traffic sign roadside node is through node communication interface linking-up road traffic mark and information monitoring center, and the reception dynamic information; Node Controller is packaged into Frame to the sign content of present node and the dynamic information that receives according to communication protocol, utilizes the node wireless transport module to send Frame then;
In the vehicle-mounted displaying terminal, the onboard wireless transport module can receive the Frame that road traffic mark roadside node sends out through the node wireless transport module, and data frame transfer is arrived terminal control unit; Terminal control unit is resolved and is stored the Frame that receives according to communication protocol, shows respective identification through touch display module then; Terminal control unit is packed the information of this car according to communication protocol simultaneously; And utilize the short-distance wireless communication mode to send to road traffic sign roadside node, and then be sent to road traffic sign and information monitoring center through the communication interface in the node of road signs roadside.
2. road traffic sign according to claim 1, information and the mutual system of vehicle is characterized in that the node power module is made up of solar panel, accumulator and PMU; PMU is a charge in batteries according to the electric energy control solar panel of accumulator, and to start accumulator according to weather conditions be other module for power supply in the node of road traffic sign roadside.
3. road traffic sign according to claim 1, information and the mutual system of vehicle is characterized in that, also comprise voice module in the vehicle-mounted displaying terminal; When touch display module showed respective identification, the traffic information data after terminal control unit also will be resolved transferred to voice module, reports with voice mode.
4. road traffic sign according to claim 1, information and the mutual system of vehicle; It is characterized in that; Also comprise acceleration transducer and GPS module in the vehicle-mounted displaying terminal; Acceleration transducer and GPS the module acceleration information and the azimuth information of monitor vehicle respectively are transferred to terminal control unit, the direct of travel that terminal control unit calculates vehicle according to the acceleration information and the azimuth information of vehicle.
5. road traffic sign according to claim 1, information and the mutual system of vehicle is characterized in that, the information that the terminal control unit of vehicle-mounted displaying terminal sends to road traffic sign roadside node comprises license plate number, car speed and the oil consumption of this car.
6. according to each described road traffic sign of claim 1-5, information and the mutual system of vehicle; It is characterized in that; In the vehicle-mounted displaying terminal; Be provided with user interface in the touch display module, user interface is provided with can be through the inquiry button of the traffic information data in the terminal control unit visit data memory module.
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| CN103065487A (en) * | 2012-12-19 | 2013-04-24 | 深圳市元征科技股份有限公司 | Internet of vehicles intelligent transportation system and vehicle mounted terminal |
| CN104200674A (en) * | 2014-09-12 | 2014-12-10 | 重庆大学 | Mountain road traffic early-warning device |
| CN105321365A (en) * | 2014-07-24 | 2016-02-10 | 上海博泰悦臻电子设备制造有限公司 | DSRC-based road construction caution system and methods thereof |
| CN106504550A (en) * | 2016-09-28 | 2017-03-15 | 深圳市元征科技股份有限公司 | A kind of roadside mark reminding method and device |
| 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 |
| CN108648486A (en) * | 2018-04-11 | 2018-10-12 | 上海淞泓智能汽车科技有限公司 | A kind of intelligent network connection motor road top-cross messenger protocol conversion system and method |
| CN108694846A (en) * | 2018-07-13 | 2018-10-23 | 交通运输部公路科学研究所 | It is a kind of digitlization traffic sign information processing and analytic method |
| CN109253732A (en) * | 2018-09-14 | 2019-01-22 | 苏州涵轩信息科技有限公司 | A kind of automobile navigation method and system based on electronic mark |
| CN109523785A (en) * | 2018-11-29 | 2019-03-26 | 奇瑞汽车股份有限公司 | Vehicle drive reminding method and system |
| CN110390830A (en) * | 2019-08-08 | 2019-10-29 | 西北民族大学 | A kind of onboard system based on intelligent control and speech recognition guiding function |
| CN111383446A (en) * | 2018-12-28 | 2020-07-07 | 西安四维图新信息技术有限公司 | Method and equipment for making electronic map road information |
| CN112906031A (en) * | 2021-03-11 | 2021-06-04 | 交通运输部公路科学研究所 | Method, device and system for analyzing digital traffic signs based on vehicle-road cooperation |
| CN113247013A (en) * | 2021-05-24 | 2021-08-13 | 西藏民族大学 | Guideboard information broadcasting system and method |
| CN113283335A (en) * | 2021-05-21 | 2021-08-20 | 际络科技(上海)有限公司 | Construction area identification method and device, vehicle, electronic device and storage medium |
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| CN109523785A (en) * | 2018-11-29 | 2019-03-26 | 奇瑞汽车股份有限公司 | Vehicle drive reminding method and system |
| CN111383446A (en) * | 2018-12-28 | 2020-07-07 | 西安四维图新信息技术有限公司 | Method and equipment for making electronic map road information |
| CN111383446B (en) * | 2018-12-28 | 2022-09-20 | 西安四维图新信息技术有限公司 | Method and equipment for making electronic map road information |
| CN110390830A (en) * | 2019-08-08 | 2019-10-29 | 西北民族大学 | A kind of onboard system based on intelligent control and speech recognition guiding function |
| CN112906031A (en) * | 2021-03-11 | 2021-06-04 | 交通运输部公路科学研究所 | Method, device and system for analyzing digital traffic signs based on vehicle-road cooperation |
| CN112906031B (en) * | 2021-03-11 | 2023-09-12 | 交通运输部公路科学研究所 | Analysis method, device and system for digital traffic sign based on vehicle-road cooperation |
| CN113283335A (en) * | 2021-05-21 | 2021-08-20 | 际络科技(上海)有限公司 | Construction area identification method and device, vehicle, electronic device and storage medium |
| CN113283335B (en) * | 2021-05-21 | 2022-08-19 | 际络科技(上海)有限公司 | Construction area recognition method, construction area recognition device, vehicle, electronic device, and storage medium |
| CN113247013A (en) * | 2021-05-24 | 2021-08-13 | 西藏民族大学 | Guideboard information broadcasting system and method |
| CN113247013B (en) * | 2021-05-24 | 2022-02-01 | 西藏民族大学 | Guideboard information broadcasting system and method |
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Application publication date: 20120919 |