CN212160931U - ETC-X system for vehicle-road cooperation - Google Patents
ETC-X system for vehicle-road cooperation Download PDFInfo
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- CN212160931U CN212160931U CN202020468252.8U CN202020468252U CN212160931U CN 212160931 U CN212160931 U CN 212160931U CN 202020468252 U CN202020468252 U CN 202020468252U CN 212160931 U CN212160931 U CN 212160931U
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Abstract
The utility model relates to a be used for lane cooperative ETC-X system, this ETC-X system still includes including setting up a plurality of ETC roadside units in different highway sections and installing a plurality of ETC electronic tags on different vehicles respectively: the traffic sensing equipment is connected with the corresponding ETC road side unit and is used for detecting the current road state and outputting road abnormal information under the abnormal condition; the cloud platform is in communication connection with the traffic sensing equipment and used for generating traffic scheduling information and determining an early warning range directly or indirectly according to the road abnormal information, determining a target ETC road side unit from the plurality of ETC road side units according to the early warning range and sending the traffic scheduling information to the target road side unit so as to broadcast the traffic scheduling information to the peripheral ETC electronic tags. Implement the technical scheme of the utility model, the cost is lower, and the scheme feasibility degree is high, is the transition form of ETC to V2X development, can satisfy the collaborative basic requirement of current vehicle road.
Description
Technical Field
The utility model relates to an intelligent transportation field especially relates to a be used for lane cooperative ETC-X system.
Background
With the vigorous push of ETC policies, ETC networks have been spread across the country, with domestic ETC installation rates exceeding 90%. At present, ETC technology is mainly applied to highway toll collection and path identification, and an ETC communication network with such a wide coverage range is far from sufficient only for highway toll collection and path identification. How to fully excavate the ETC technique to carry out abundant expansion to it, thereby realize the city wisdom traffic based on ETC technique, be the present problem that awaits solution urgently.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in that, to the above-mentioned defect that prior art exists, provide a be used for lane cooperative ETC-X system.
The utility model provides a technical scheme that its technical problem adopted is: constructing an ETC-X system for vehicle-road coordination, including a plurality of ETC roadside units provided at different road sections and a plurality of ETC electronic tags respectively mounted on different vehicles, further including:
the traffic sensing equipment is connected with the corresponding ETC road side unit and is used for detecting the current road state and outputting road abnormal information under the abnormal condition;
and the cloud platform is in communication connection with the traffic sensing equipment and is used for generating traffic scheduling information and determining an early warning range directly or indirectly according to the road abnormal information, determining a target ETC road side unit from a plurality of ETC road side units according to the early warning range, and sending the traffic scheduling information to the target road side unit so as to broadcast the traffic scheduling information to peripheral ETC electronic tags.
Preferably, the ETC-X system further includes: and the edge computing equipment is connected with the traffic sensing equipment and the corresponding ETC road side unit, and is used for acquiring the road abnormal information from the traffic sensing equipment and the position information from the ETC road side unit, and integrating and processing the road abnormal information and the position information to generate and output early warning information.
Preferably, the edge computing device sends the generated early warning information to the cloud platform through a wireless network;
or the edge computing equipment outputs the generated early warning information to a corresponding ETC road side unit, and the corresponding ETC road side unit sends the received early warning information to the cloud platform through a mobile communication network.
Preferably, the system further comprises a plurality of electronic guideboards arranged on different road sections, and the cloud platform further determines a target electronic guideboard from the plurality of electronic guideboards according to the early warning range, and sends the traffic scheduling information to the target electronic guideboard so that the target electronic guideboard outputs the traffic scheduling information.
Preferably, the traffic awareness apparatus comprises:
the camera is used for shooting the monitored area in real time; and
the industrial personal computer is connected with the camera and used for carrying out image recognition on the image shot by the camera so as to determine whether road abnormity occurs or not and outputting the road abnormity information under the condition that the road abnormity occurs.
Preferably, the traffic awareness apparatus comprises:
a radar for determining whether a road abnormality occurs by detecting distance information and outputting the road abnormality information in case of the road abnormality.
Preferably, the traffic awareness apparatus comprises:
the weather base station is used for detecting weather information of roads and outputting road weather abnormal information under the condition that the weather information exceeds a first preset condition.
Preferably, the traffic awareness apparatus comprises:
the environment sensor is used for detecting environment information in a road and outputting road environment abnormal information under the condition that the environment information exceeds a second preset condition.
Preferably, the environment sensor comprises any one of or any combination of a sound sensor, a light sensor, and a harmful gas sensor.
Preferably, the industrial personal computer and the edge computing device are all-in-one machine devices.
Implement the technical scheme of the utility model, make full use of covers extensive ETC network resource at present, only need to have ETC equipment to carry out the transformation of moderate degree to add traffic perception equipment and carry out the cloud platform of coprocessing to the traffic state of each road, can construct a new vehicle and road cooperative system. Therefore, the implementation cost is low, the feasibility degree of the scheme is high, the ETC is a transition form to the V2X development, and the basic requirement of the current vehicle-road cooperation can be met.
Drawings
In order to illustrate the embodiments of the present invention more clearly, the drawings that are needed in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and that other drawings can be obtained by those skilled in the art without inventive work. In the drawings:
FIG. 1 is a logic structure diagram of a first embodiment of the ETC-X system for vehicle-to-road coordination according to the present invention;
FIG. 2 is a logic structure diagram of a second embodiment of the ETC-X system for vehicle-to-road coordination according to the present invention;
FIG. 3 is a logical structure diagram of a third embodiment of the ETC-X system for vehicle-to-road coordination according to the present invention;
FIG. 4 is a schematic view of the road danger prompt of the present invention;
FIG. 5 is a schematic diagram of the tunnel safety pre-warning of the present invention;
FIG. 6 is a schematic diagram of the collision warning of the vulnerable traffic participants of the present invention;
fig. 7 is the utility model discloses the place ahead warning sketch map that blocks up.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Fig. 1 is a logic structure diagram of a first embodiment of the ETC-X system for vehicle-road coordination according to the present invention, where the ETC-X system of the embodiment includes a traffic sensing device 10, an ETC road side unit 20, a cloud platform 30 and an ETC electronic tag 40, and it should be understood that, in practical application, the number of the ETC road side units 20 is plural and is set at different road sections respectively; the number of the traffic sensing devices 10 is also multiple, and each traffic sensing device is connected with the corresponding ETC road side unit 20; the cloud platform 30 is connected to a plurality of traffic awareness devices 10. Also, in this embodiment, the traffic perception device 10 is configured to detect a current road state and output road abnormality information in the event of an abnormality, the road abnormality information including, for example: the type of hazard, time of occurrence, severity of hazard, etc.; the cloud platform 30 is configured to generate traffic scheduling information and determine an early warning range directly or indirectly according to the road abnormal information, determine a target ETC roadside unit from the multiple ETC roadside units 20 according to the early warning range, and send the traffic scheduling information to the target roadside unit, so that the traffic scheduling information is broadcasted to peripheral ETC electronic tags, for example, road danger condition prompting, severe weather early warning, weak traffic participant collision early warning, front congestion reminding and the like are performed.
With regard to the embodiment, it should be noted that, if the traffic sensing device 10 has a long-distance communication function, the currently detected road abnormality information may be directly uploaded to the cloud platform 30; if the traffic sensing device 10 does not have the remote communication function, it needs to rely on the remote communication function of the ETC road side unit 20, at this time, the traffic sensing device 10 and the ETC road side unit 20 need to be installed in a close range, for example, on the same gantry, and the ETC road side unit 20 uploads the currently detected road abnormal information to the cloud platform 30.
With respect to this embodiment, it should be further noted that, if the traffic sensing device 10 detects the occurrence of the abnormal condition of the road state, the cloud platform 30 further determines the maximum range in which the warning needs to be started according to the danger level of the road abnormal information. Further, since early warning of the vehicle is required, a point of detection of the traffic state (an installation position point of the traffic sensing device) and a point of early warning (an installation position point of the target ETC road-side unit) are generally different. The scene of congestion ahead is taken as an example, the traffic sensing equipment at the A site of the expressway detects congestion of the current road section, if the ETC road side unit at the A site of the cloud platform controls the early warning information to be broadcast externally, no help is provided at the moment, and no other path can be selected because the vehicle enters the congested section. Therefore, the cloud platform 30 is required to determine an early warning range according to the road abnormal information, and control the ETC road side units at one or more fork points in the coming direction of the congestion location a to broadcast the traffic scheduling information to the outside, so that the vehicle owner can select other paths according to the congestion condition. In addition, the cloud platform can also send different traffic scheduling information to a plurality of target ETC road side units which are different from the dangerous place according to the road abnormal information.
The technical scheme of the embodiment makes full use of the ETC network resource which is widely covered at present, only needs to carry out moderate technical upgrading on the existing ETC equipment, adds the traffic sensing equipment and the cloud platform for carrying out cooperative processing on the traffic states of all roads, and can construct a new vehicle-road cooperative system, so that the implementation cost is low, the feasibility degree of the scheme is high, the ETC is a transition form to the development of V2X, and the basic requirement of the current vehicle-road cooperation can be met.
Fig. 2 is the logic structure diagram of the second embodiment of the ETC-X system for vehicle-road coordination, the ETC-X system of this embodiment compares the embodiment shown in fig. 1, still includes edge computing device 50, this edge computing device 50 links to each other with corresponding traffic perception device 10 and ETC roadside unit 20, and is used for obtaining road abnormal information from traffic perception device 10 and obtaining position information from ETC roadside unit 20, and carries out integration processing to road abnormal information and position information, in order to generate and output early warning information.
In an alternative embodiment, the edge computing device 50 is provided with a wireless network communication function, for example, with a 4G module, in which case the edge computing device 50 sends the generated warning information directly to the cloud platform 30 through a wireless network. In another optional embodiment, the edge computing device 50 does not have a wireless network communication function, in this case, the edge computing device 50 outputs the generated warning information to the corresponding ETC rsu 20, and the ETC rsu 20 sends the received warning information to the cloud platform through a mobile communication network.
Further, the utility model discloses a ETC-X system for vehicle and road is in coordination still includes a plurality of electron signboards that set up in different highway sections, sets up at the tunnel entry for example. And the cloud platform also determines a target electronic guideboard from the plurality of electronic guideboards according to the early warning range, and sends the traffic scheduling information to the target electronic guideboard so that the target electronic guideboard outputs the traffic scheduling information. In this embodiment, the cloud platform also issues traffic scheduling information through the electronic guideboard, for example, to remind the vehicle about entering the tunnel to change lanes in advance, slow down, or prohibit entering the tunnel, so as to avoid accidents.
In an optional embodiment, the traffic sensing equipment comprises a camera and an industrial personal computer which are connected, wherein the camera is used for shooting a monitored area in real time; the industrial personal computer is used for carrying out image recognition on images shot by the camera to determine whether a road abnormity occurs or not and outputting road abnormity information under the condition that the road abnormity occurs, wherein the road abnormity information comprises the following steps: congestion, water accumulation on roads and traffic accidents occur.
Furthermore, the industrial personal computer and the edge computing equipment are all-in-one equipment.
In an alternative embodiment, the traffic sensing device includes a radar for determining whether a road abnormality occurs by detecting distance information and outputting road abnormality information including, for example, the occurrence of congestion in the event of a road abnormality.
In an alternative embodiment, the traffic awareness device includes a weather base station for detecting weather information for the road, including, for example: visibility, rainfall, and the like, and outputs road weather abnormality information in the case where the weather information exceeds a first preset condition, the road weather abnormality information including, for example: the fog and the rainfall are more than a certain preset value.
In an alternative embodiment, the traffic sensing device comprises an environmental sensor comprising any one of or any combination of sound sensor, light sensor, harmful gas sensor. The environment sensor is used for detecting environment information in a road, and the environment information includes, for example: sound information, harmful gas information, light information, etc., and outputs road environment abnormality information including, for example, fire, explosion, etc., in the case where the environment information exceeds a second preset condition.
Fig. 3 is a logic structure diagram of the third embodiment of the ETC-X system for vehicle-road coordination, the ETC-X system of this embodiment includes traffic sensing device, ETC roadside unit (RSU), ETC electronic tags (OBU), edge computing equipment (MEC) and cloud platform.
The traffic sensing equipment comprises a camera, a weather sensor, a signal lamp and the like, and for example, whether abnormal conditions such as traffic accidents, congestion, water accumulation on roads and the like occur or not can be determined by carrying out image recognition on images shot by the camera; weather abnormal conditions such as rainfall, heavy fog can be detected through the weather sensor. When the traffic perception device detects that the current road state is abnormal, the detected road abnormal information (including danger types and danger levels) is sent to the edge computing device.
The ETC roadside unit acquires its own position information (as a danger occurrence position) including geographical coordinates, a road section to which it belongs, a road section type (e.g., an intersection, a tunnel, a sharp turn, a straight road, etc.), and then transmits its own position information to the edge computing device. In addition, the ETC road side unit also receives traffic scheduling information directionally sent by the cloud platform and broadcasts the traffic scheduling information to the corresponding ETC electronic tags.
The ETC electronic tag receives traffic scheduling information sent by the ETC road side unit and outputs the traffic scheduling information to a user, for example, through voice broadcast prompt.
The edge computing device has the capabilities of video analysis, perception fusion, event and message integration computing and interaction with a cloud platform. After the edge computing equipment acquires road abnormal information from the traffic sensing equipment and position information from the ETC road side unit, early warning information is generated by processing and making decisions on the road abnormal information and the position information in real time. After the edge computing equipment generates the early warning information, if the edge computing equipment has a wireless network communication function, the generated early warning information is directly sent to a cloud platform through a wireless network; if the mobile communication terminal does not have the wireless network communication function, the generated early warning information is output to the corresponding ETC road side unit, and the ETC road side unit sends the received early warning information to the cloud platform through the mobile communication network. In addition, the deployment location of the edge computing device may generally be selected to serve a relatively large area behind the aggregation node of the ETC roadside unit.
After receiving the early warning information, the cloud platform determines the maximum distance needing early warning for a dangerous place according to the danger type and the danger grade (such as serious, moderate and slight), for example, if a serious traffic accident occurs, an ETC road side unit at a turnout before the accident occurrence point is controlled to send early warning information of 'serious accident in front and please detour' to a vehicle ETC electronic tag; if a light accident occurs to cause the 2 nd lane jam, the ETC road side unit 1 kilometer before the accident occurrence point is controlled to send 'the vehicle ahead has slight collision, the 2 nd lane jam and please avoid' to the vehicle ETC electronic tag. In addition, the cloud platform can lock the range to each ETC road side unit of the road section according to the road section to which the danger occurs, and then determines the maximum distance of early warning in advance according to the danger occurrence position and the danger detection result, so that the target ETC road side unit is determined among the ETC road side units of the road section. After the maximum distance of early warning is determined, different types of danger prompts are sent according to different distances from danger generating places, such as first-class alarms (reminding a user of a serious accident occurring in the front and asking for detour when the user is far away from a turnout in case of danger), and second-class alarms (reminding the user of a serious accident occurring in the front and asking for slow speed reduction when the user is far away from the turnout).
The following illustrates several application scenarios of the utility model for a lane-to-lane coordinated ETC-X system:
with reference to the schematic diagram of the road danger situation prompting (HLW) shown in fig. 4, when the Host Vehicle (HV) travels to a section of a potential dangerous road condition (such as deep water under a bridge, wet and slippery road, severe weather, and sharp turn ahead), and there is an accident risk, the HLW is applied to early warn the driver HV. The application is suitable for road sections which are easy to have dangerous conditions such as urban roads, suburban roads, expressways and the like or road sections which temporarily have dangerous conditions of roads.
In combination with the tunnel safety early warning schematic diagram shown in fig. 5, the tunnel is internally provided with the cameras, the radar, the meteorological base station, the acousto-optic and harmful gas sensors and other acquisition devices to detect traffic accidents, fire disasters and abnormal road environments in the tunnel, and after the abnormity is detected, the abnormal data is sent to the cloud platform and the ETC road side unit to realize real-time information acquisition in the tunnel. And then, information issuing equipment such as an ETC road side unit and an electronic guideboard is used for issuing traffic information in the tunnel to the outside, so that vehicles about to enter the tunnel are reminded of changing lanes in advance, slowing down or forbidding to enter the tunnel, and accidents are avoided.
In combination with a schematic diagram of a Vulnerable traffic participant Collision Warning (VRUCW: audible Road User Collision Warning) shown in fig. 6, when a Host Vehicle (HV) runs and has a Collision risk with surrounding pedestrians (P, Pedestrian, which is expanded to be a Vulnerable traffic participant in a broad sense, including pedestrians, bicycles, electric bicycles, and the like, and the Pedestrian is taken as an example in the following description), the VRUCW application will warn a vehicle driver and also warn the pedestrians. The application is suitable for collision danger early warning of ordinary roads and highways in cities and suburbs.
In combination with the front congestion reminding schematic diagram shown in fig. 7, when the traffic sensing devices such as cameras and radars detect that vehicles in a front road section slowly move, the information is uploaded to the cloud platform and issued to nearby ETC road side units, and the ETC road side units broadcast congestion information outwards to guide the main vehicle to change a driving route in advance and prevent continuous congestion.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any tampering, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a be used for lane and road coordinated ETC-X system, includes a plurality of ETC roadside units that set up in different highway sections and installs a plurality of ETC electronic tags on different vehicles respectively, its characterized in that still includes:
the traffic sensing equipment is connected with the corresponding ETC road side unit and is used for detecting the current road state and outputting road abnormal information under the abnormal condition;
and the cloud platform is in communication connection with the traffic sensing equipment and is used for generating traffic scheduling information and determining an early warning range directly or indirectly according to the road abnormal information, determining a target ETC road side unit from a plurality of ETC road side units according to the early warning range, and sending the traffic scheduling information to the target ETC road side unit so as to broadcast the traffic scheduling information to peripheral ETC electronic tags.
2. The ETC-X system for vehicle-to-road coordination according to claim 1, characterized in that it further comprises: and the edge computing equipment is connected with the traffic sensing equipment and the corresponding ETC road side unit, and is used for acquiring the road abnormal information from the traffic sensing equipment and the position information from the ETC road side unit, and integrating and processing the road abnormal information and the position information to generate and output early warning information.
3. The ETC-X system for vehicle-road coordination according to claim 2, wherein the edge computing device sends the generated early warning information to the cloud platform via a wireless network;
or the edge computing equipment outputs the generated early warning information to a corresponding ETC road side unit, and the corresponding ETC road side unit sends the received early warning information to the cloud platform through a mobile communication network.
4. The ETC-X system for vehicle-road coordination according to claim 1, further comprising a plurality of electronic signboards provided at different road segments, and wherein the cloud platform further determines a target electronic signboard from among the plurality of electronic signboards according to the early warning range and transmits the traffic scheduling information to the target electronic signboard to cause the target electronic signboard to output the traffic scheduling information.
5. The ETC-X system for vehicle-road coordination according to claim 2, characterized in that said traffic perception device comprises:
the camera is used for shooting the monitored area in real time; and
the industrial personal computer is connected with the camera and used for carrying out image recognition on the image shot by the camera so as to determine whether road abnormity occurs or not and outputting the road abnormity information under the condition that the road abnormity occurs.
6. The ETC-X system for vehicle-road coordination according to any of claims 1-4, characterized in that said traffic awareness device comprises:
a radar for determining whether a road abnormality occurs by detecting distance information and outputting the road abnormality information in case of the road abnormality.
7. The ETC-X system for vehicle-road coordination according to any of claims 1-4, characterized in that said traffic awareness device comprises:
the weather base station is used for detecting weather information of roads and outputting road weather abnormal information under the condition that the weather information exceeds a first preset condition.
8. The ETC-X system for vehicle-road coordination according to any of claims 1-4, characterized in that said traffic awareness device comprises:
the environment sensor is used for detecting environment information in a road and outputting road environment abnormal information under the condition that the environment information exceeds a second preset condition.
9. The ETC-X system for vehicle and road coordination according to claim 8, characterized in that said environment sensor comprises any one or any multiple combination of sound sensor, light sensor, harmful gas sensor.
10. The ETC-X system for vehicle-road coordination according to claim 5, wherein said industrial personal computer and said edge computing device are all-in-one devices.
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| CN202020468252.8U CN212160931U (en) | 2020-04-02 | 2020-04-02 | ETC-X system for vehicle-road cooperation |
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| CN113903187A (en) * | 2021-06-24 | 2022-01-07 | 东风柳州汽车有限公司 | Tunnel traffic information dynamic display method based on V2X technology and intelligent traffic sign |
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