CN210955483U - Multisource traffic perception and control equipment facing intelligent internet intersection - Google Patents
Multisource traffic perception and control equipment facing intelligent internet intersection Download PDFInfo
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- CN210955483U CN210955483U CN201921912253.0U CN201921912253U CN210955483U CN 210955483 U CN210955483 U CN 210955483U CN 201921912253 U CN201921912253 U CN 201921912253U CN 210955483 U CN210955483 U CN 210955483U
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Abstract
The utility model discloses a multisource traffic perception and controlgear towards intelligent networking intersection, include: the road side sensing unit, the traffic light unit, the road side communication unit and the intersection control unit; the road side sensing unit, the traffic light unit and the road side communication unit are respectively connected with the intersection control unit; the road side sensing unit is used for collecting road environment data and traffic data and sending the road environment data and the traffic data to the intersection control unit; the intersection control unit is used for controlling the change time of the traffic lights in the traffic light unit, and the intersection control unit is used for receiving the data sent by the road side sensing unit, processing the data and sending the processed data to the vehicle-mounted terminal through the road side communication unit. The above-mentioned scheme that this application provided, through the setting of trackside perception unit, can realize the collection of all-round intersection traffic information, be favorable to improving the current efficiency at intersection.
Description
Technical Field
The utility model relates to an intelligent transportation technical field, concretely relates to multisource traffic perception and controlgear towards intelligent networking intersection.
Background
With the rapid development of social economy and the acceleration of urbanization, the urban traffic demand is also rapidly increasing, and the traffic problem becomes a pain point and a bottleneck which troubles the urban development. In order to solve the increasingly serious traffic problem, the concept of intelligent traffic is provided, and the monitoring and scheduling of key road areas are realized by utilizing the technologies of digital image processing, digital communication and the like.
At present, a large proportion of road traffic accidents occur at intersections or are related to the intersections, the existing intersections have poor perception and response capability to traffic states and emergencies, and when fixed timing is adopted, the vehicle collision risk is high, the traffic passing efficiency is low, and the energy consumption is high.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a multisource traffic perception and controlgear towards intelligent networking intersection to the realization improves the current efficiency of road to the collection of crossing multidimension degree traffic information.
The utility model provides a multisource traffic perception and controlgear towards intelligent networking intersection, include: the road side sensing unit, the traffic light unit, the road side communication unit and the intersection control unit;
the road side sensing unit, the traffic light unit and the road side communication unit are respectively connected with the intersection control unit;
the road side sensing unit is used for collecting road environment data and traffic data and sending the road environment data and the traffic data to the intersection control unit;
the intersection control unit is used for controlling the change time of the traffic lights in the traffic light unit, and the intersection control unit is used for receiving the data sent by the road side sensing unit, processing the data and sending the processed data to the vehicle-mounted terminal through the road side communication unit.
In one embodiment, the roadside sensing unit comprises a radar module, a camera module and a weather environment monitoring module; the radar module is used for measuring three-dimensional model data of a road and sending the three-dimensional model data to the intersection control unit; the camera module is used for shooting road condition data and sending the road condition data to the intersection control unit; the weather environment monitoring module is used for monitoring wind speed, wind direction, rainfall and air temperature and humidity and sending the wind speed, the wind direction, the rainfall and the air temperature and humidity to the intersection control unit.
In one embodiment, the intersection control device further comprises a power supply module, and the power supply module is connected with the intersection control unit.
In one embodiment, the intersection control device further comprises an alarm unit, and the alarm unit is connected with the intersection control unit.
In one embodiment, the alarm unit is composed of an indicator light and a buzzer.
In one embodiment, the intersection control device further comprises a GPS unit, wherein the GPS unit is used for collecting the position information and the running speed of the vehicle and sending the position information and the running speed of the vehicle to the intersection control unit.
The beneficial effects of the utility model include:
the utility model provides a multisource traffic perception and controlgear towards intelligent networking intersection through the setting of trackside perception unit, can realize all-round intersection traffic information's collection, is favorable to improving the current efficiency at intersection.
Drawings
Fig. 1 is a system block diagram of a multisource traffic sensing and control device for an intelligent internet crossing provided by an embodiment of the utility model;
fig. 2 is a schematic view of an application provided by an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings. Wherein like elements in different embodiments are numbered with like associated elements. In the following description, numerous details are set forth in order to provide a better understanding of the present application. However, those skilled in the art will readily recognize that some of the features may be omitted or replaced with other elements, materials, methods in different instances. In some instances, certain operations related to the present application have not been shown or described in detail in order to avoid obscuring the core of the present application from excessive description, and it is not necessary for those skilled in the art to describe these operations in detail, so that they may be fully understood from the description in the specification and the general knowledge in the art.
Furthermore, the features, operations, or characteristics described in the specification may be combined in any suitable manner to form various embodiments. Also, the various steps or actions in the method descriptions may be transposed or transposed in order, as will be apparent to one of ordinary skill in the art. Thus, the various sequences in the specification and drawings are for the purpose of describing certain embodiments only and are not intended to imply a required sequence unless otherwise indicated where such sequence must be followed.
The numbering of the components as such, e.g., "first", "second", etc., is used herein only to distinguish the objects as described, and does not have any sequential or technical meaning. The term "connected" and "coupled" when used in this application, unless otherwise indicated, includes both direct and indirect connections (couplings).
As shown in fig. 1, the utility model discloses a multisource traffic perception and controlgear towards intelligent networking intersection, include: the road side sensing unit, the traffic light unit, the road side communication unit and the intersection control unit; the road side sensing unit, the traffic light unit and the road side communication unit are respectively connected with the intersection control unit; the road side sensing unit is used for collecting road environment data and traffic data and sending the road environment data and the traffic data to the intersection control unit; the intersection control unit is used for controlling the change time of the traffic lights in the traffic light unit, and the intersection control unit is used for receiving the data sent by the road side sensing unit, processing the data and sending the processed data to the vehicle-mounted terminal through the road side communication unit.
The road side sensing unit in the embodiment of the application mainly has the function of collecting road environment data and traffic data. The road environment data refers to relevant data of road peripheral environment, such as environment data of road surface potholes, ponding positions, road side infrastructure positions and the like; the traffic data refers to traffic conditions, road weather and other data, such as traffic flow, heavy fog weather, rain and snow weather and other traffic data. The roadside sensing unit comprises various intelligent sensing devices such as a high-definition camera, a laser radar, a millimeter wave radar and a weather environment monitoring sensor. The high-definition camera can identify vehicles, pedestrians and obstacles, and has the advantages of low cost, rich information content and the like; the laser radar can realize distance measurement and environment three-dimensional model establishment, and realize high-precision positioning function; the millimeter wave radar can realize the function of sensing the distance and the speed information of the target under all weather and any environmental condition. The weather environment monitoring sensor realizes the function of detecting the road weather environment, including sensing wind speed, wind direction, rainfall, air temperature and humidity and the like. The sensors of the roadside sensing unit work independently, and provide multi-dimensional road traffic data for the intersection control unit.
The intersection control unit has the main functions of judging the current traffic flow condition by collecting the information of the road side sensing unit and then carrying out traffic light timing adjustment (as shown in figure 2), so that the road passing condition is improved, and the preferential passing of special vehicles is realized; for example, when the intersection control unit collects that the ambulance passes through the intersection, the timing of the traffic lights can be adjusted, so that the ambulance can pass through the intersection. Further, the intersection control unit can also provide road information to the driver under the non-line-of-sight condition, for example, when the vehicle driver cannot know potential danger due to road side tree or house shielding, the road information is sent to the vehicle-mounted terminal through the intersection control unit, so that the risk can be effectively avoided when the driver drives the vehicle.
The intersection control unit in this application can also handle, the analysis to the multidimension degree road traffic data that conveys in the road side perception unit, on the one hand, provides low time delay, high reliable data information to traffic highway management cloud platform, is convenient for monitor, management, on the other hand, provides traffic safety relevant service to the vehicle of coming and going through the roadside communication unit. The intersection control unit generates driving safety auxiliary information and road traffic efficiency type information by extracting, cleaning, fusing, calculating and analyzing data acquired by the road side sensing unit. Specifically, the data extraction is to obtain multi-source sensor data, generate n types of sensor data and obtain a data set S1(ii) a Data cleansing is to set of data S1Processing the abnormal data to obtain a data set S2(ii) a Data fusion is to S2Carrying out normalization processing on the data, and then carrying out data fusion processing to obtain a data set S3(ii) a The intersection control unit provides Multi-access Edge Computing (MEC), for S3The data is analyzed and processed nearby, the end-to-end data delay is reduced, the network load caused by mass data return is reduced, and an analysis data set S is generated after calculation4. Analysis stage, S4And generating driving safety auxiliary information and road traffic efficiency type information according to the driving safety evaluation algorithm and the road traffic efficiency improvement algorithm strategy.
The roadside communication unit has the main function that when the intersection control unit receives data sent by the roadside sensing unit, the intersection control unit sends the data to the vehicle-mounted terminal through the roadside communication unit after processing the data, so that a vehicle driver cannot know potential danger due to shielding of roadside trees or houses, road information is sent to the vehicle-mounted terminal through the intersection control unit, and the risk can be effectively avoided when the driver drives the vehicle. Further, the roadside communication Unit comprises a plurality of network communication modules, supports a plurality of vehicle networking wireless communication technologies, comprises communication technologies such as DSRC, LTE-V and 5G, collects information such as vehicle position, speed and direction, and information such as pedestrian position and speed of an On-board Unit (OBU), and provides the data information to the intersection control Unit; meanwhile, the system is responsible for broadcasting the traffic information provided by the intersection control unit to the OBU and providing traffic safety and efficiency related services.
By adopting the scheme, the road side sensing unit and the road side communication unit are arranged, so that the acquisition of all-dimensional traffic information can be realized, and the collection of road operation data and the supervision of roads by traffic management departments are facilitated.
In some embodiments, the roadside sensing unit comprises a radar module, a camera module, a weather environment monitoring module; the radar module is used for measuring three-dimensional model data of the road and sending the three-dimensional model data to the intersection control unit; the camera module is used for shooting road condition data and sending the road condition data to the intersection control unit; the weather environment monitoring module is used for monitoring wind speed, wind direction, rainfall and air temperature and humidity and sending the wind speed, the wind direction, the rainfall and the air temperature and humidity to the intersection control unit.
In some embodiments, the vehicle-mounted terminal in the present application is configured to receive data from the intersection control unit, and the driver adjusts the driving direction, speed, and the like in time according to the received receipt, so that driving safety can be effectively provided.
In some embodiments, the intersection control unit further comprises a power module, and the power module is connected with the intersection control unit.
Furthermore, the power module can select a solar cell panel, and electric energy is provided for the intersection control unit through the solar cell panel, so that the whole equipment can work conveniently.
The utility model discloses a work flow, road side perception unit gathers road environmental data and traffic data, delivers intersection the control unit with raw data, and intersection the control unit is to the OBU data that road side perception unit gathered and roadside communication unit gathered, through data extraction, washing, fusion, calculation, analysis, generates driving safety auxiliary information and road traffic efficiency class message. On one hand, the intersection control unit provides low-delay and high-reliability data information for the traffic road management cloud platform, so that monitoring and management are facilitated; on the other hand, the intersection control unit distributes the information processed by the intersection control unit on the information board through the roadside communication unit to provide traffic information service for the vehicles to and from.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (6)
1. The utility model provides a multisource traffic perception and controlgear towards intelligent networking intersection which characterized in that includes: the road side sensing unit, the traffic light unit, the road side communication unit and the intersection control unit;
the road side sensing unit, the traffic light unit and the road side communication unit are respectively connected with the intersection control unit;
the road side sensing unit is used for collecting road environment data and traffic data and sending the road environment data and the traffic data to the intersection control unit;
the intersection control unit is used for controlling the change time of the traffic lights in the traffic light unit, and the intersection control unit is used for receiving the data sent by the road side sensing unit, processing the data and then sending the processed data to the vehicle-mounted terminal through the road side communication unit.
2. The multisource traffic sensing and control equipment facing the intelligent internet intersection of claim 1, wherein the roadside sensing unit comprises a radar module, a camera module and a weather environment monitoring module;
the radar module is used for measuring three-dimensional model data of a road and sending the three-dimensional model data to the intersection control unit; the camera module is used for shooting road condition data and sending the road condition data to the intersection control unit; the weather environment monitoring module is used for monitoring wind speed, wind direction, rainfall and air temperature and humidity and sending the wind speed, the wind direction, the rainfall and the air temperature and humidity to the intersection control unit.
3. The multisource traffic sensing and control equipment for the intelligent internetworking intersection as claimed in claim 1, further comprising a power module, wherein the power module is connected with the intersection control unit.
4. The multisource traffic sensing and control equipment for the intelligent internetworking intersection as claimed in claim 1, further comprising an alarm unit, wherein the alarm unit is connected with the intersection control unit.
5. The multisource traffic perception and control device for the intelligent internet intersection as claimed in claim 4, wherein the alarm unit is composed of an indicator lamp and a buzzer.
6. The multisource traffic sensing and control equipment for the intelligent internet intersection as claimed in claim 1, further comprising a GPS unit, wherein the GPS unit is used for collecting position information and running speed of a vehicle and sending the position information and running speed of the vehicle to the intersection control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921912253.0U CN210955483U (en) | 2019-11-07 | 2019-11-07 | Multisource traffic perception and control equipment facing intelligent internet intersection |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921912253.0U CN210955483U (en) | 2019-11-07 | 2019-11-07 | Multisource traffic perception and control equipment facing intelligent internet intersection |
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| CN210955483U true CN210955483U (en) | 2020-07-07 |
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| CN201921912253.0U Active CN210955483U (en) | 2019-11-07 | 2019-11-07 | Multisource traffic perception and control equipment facing intelligent internet intersection |
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