CN211319386U - Vehicle-road cooperative system - Google Patents
Vehicle-road cooperative system Download PDFInfo
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- CN211319386U CN211319386U CN202020103232.0U CN202020103232U CN211319386U CN 211319386 U CN211319386 U CN 211319386U CN 202020103232 U CN202020103232 U CN 202020103232U CN 211319386 U CN211319386 U CN 211319386U
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Abstract
An embodiment of the utility model provides a car road cooperative system, this system include control maincenter, a plurality of sensor, a plurality of traffic signal lamp and a plurality of variable lane sign, the control maincenter with a plurality of sensors are connected, the control maincenter with a plurality of traffic signal lamp connect, the control maincenter with a plurality of variable lane sign are connected. The utility model provides a technical scheme can realize the real-time analysis of control maincenter to the traffic flow, controls traffic signal lamp and variable lane sign dynamically, has improved the current efficiency of road.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a traffic technical field especially relates to a car road cooperative system.
[ background of the invention ]
With the rapid increase of the number of vehicles owned by urban population, the development of urban traffic roads is difficult to meet the traffic passing requirements of people, and the problem of road congestion is increasingly serious.
At present, traffic signal lamps are only changed according to fixed time intervals and cannot be adjusted timely according to the number of vehicles, so that various conditions of road traffic, such as traffic accidents, road traffic paralysis, road construction, traffic signal lamp failure and the like, often occur, and the efficiency of road traffic is reduced.
[ Utility model ] content
In view of this, the embodiment of the present invention provides a vehicle-road cooperative system for improving the efficiency of road traffic.
In one aspect, the utility model provides a car road cooperative system, include: the control center is connected with the plurality of sensors, the control center is connected with the plurality of traffic signal lamps, and the control center is connected with the plurality of variable lane indication plates.
Optionally, the method further comprises: the cloud management platform is connected with the control center through the communication module.
Optionally, the method further comprises: the terminal comprises a communication module and a plurality of terminals, wherein the terminals are connected with the control center through the communication module.
Optionally, the method further comprises: the system comprises a plurality of terminals and a cloud management platform, wherein the terminals are connected with the cloud management platform.
Optionally, the terminal includes: a user terminal or a vehicle-mounted terminal.
Optionally, when the terminal includes a user terminal, the user terminal includes a mobile phone, a tablet computer, a computer, or a wearable device.
Optionally, the sensor is located at the intersection or roadside.
Optionally, the sensor comprises: optical cameras, ultrasonic radar, laser radar or road surface triggering devices.
Optionally, the variable lane indicator is disposed above a stop line of a lane intersection or at the top of a tunnel portal.
Optionally, the sensor is connected with the control center through a cable, the traffic signal lamp is connected with the control center through a cable, and the variable lane indicator is connected with the control center through a cable.
The embodiment of the utility model provides a among the technical scheme of a car road cooperative system, this system includes control hub, a plurality of sensor, a plurality of traffic signal lamp and a plurality of variable lane sign, the control hub with a plurality of sensors are connected, the control hub with a plurality of traffic signal lamp are connected, the control hub with a plurality of variable lane sign are connected. The utility model provides a technical scheme can realize the real-time analysis of control maincenter to the traffic flow, controls traffic signal lamp and variable lane sign dynamically, has improved the current efficiency of road.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic structural diagram of a vehicle-road coordination system provided in an embodiment of the present invention;
fig. 2 is a flowchart of a vehicle-road cooperation method according to an embodiment of the present invention.
[ detailed description ] embodiments
For better understanding of the technical solutions of the present invention, the following detailed descriptions of the embodiments of the present invention are provided with reference to the accompanying drawings.
It should be understood that the described embodiments are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the embodiments of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be understood that the term "and/or" as used herein is merely one type of associative relationship that describes an associated object, meaning that three types of relationships may exist, e.g., A and/or B, may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
Fig. 1 is the embodiment of the utility model provides a structural schematic of vehicle road cooperative system, as shown in fig. 1, this system includes control maincenter 1, a plurality of sensor 2, a plurality of traffic signal lamp 3 and a plurality of variable lane sign 4, and control maincenter 1 is connected with a plurality of sensor 2, and control maincenter 1 is connected with a plurality of traffic signal lamp 3, and control maincenter 1 is connected with a plurality of variable lane sign 4.
In the embodiment of the utility model provides an in, sensor 2 includes: optical cameras, ultrasonic radar, laser radar or road surface triggering devices.
The embodiment of the utility model provides an in, sensor 2 sets up in crossing or trackside.
The embodiment of the utility model provides an in, the crossing is provided with the stop line, and sensor 2 can set up in the stop line top.
The embodiment of the utility model provides an in, the trackside is provided with road edge, town road isolation barrier, street lamp or traffic signal lamp, and sensor 2 can set up on road edge side, town road isolation barrier, on the street lamp or on the traffic signal lamp.
In the embodiment of the present invention, as an alternative, the sensor 2 is connected to the control center 1 through a cable.
The embodiment of the utility model provides an in, a plurality of traffic signal lamp 3 set up in lane crossing stop line top. The traffic signal lamp 3 includes: red, green and yellow lights.
In the embodiment of the utility model provides an in, as an alternative, traffic signal lamp 3 passes through the cable with control maincenter 1 and is connected.
The embodiment of the utility model provides an in, variable lane sign 4 sets up in the top of lane crossing stop line top or tunnel portal.
In the embodiment of the utility model provides an in, as an alternative, variable lane sign 4 passes through the cable with control maincenter 1 and is connected.
The embodiment of the utility model provides an in, as another kind of alternative, sensor 2 passes through wireless communication with control maincenter 1 and is connected, and traffic signal lamp 3 passes through wireless communication with control maincenter 1 and is connected, and variable lane sign 4 passes through wireless communication with control maincenter 1 and is connected.
In the embodiment of the utility model, radio communication includes: near field communication, wireless network (WIFI) communication, fourth Generation mobile communication technology (4G), or fifth Generation mobile communication technology (5G).
In the embodiment of the utility model, this system still includes: the system comprises a communication module 5 and a cloud management platform 6, wherein the cloud management platform is connected with the control center 1 through the communication module 5 through the cloud management platform 6.
The embodiment of the utility model provides an in, as an alternative, high in the clouds management platform 6 communicates through long distance wireless transmission technology with communication module 5, for example: long-range wireless transmission technologies include 4G or 5G technologies.
In the embodiment of the utility model, this system still includes: the communication module 5 and a plurality of terminals 7, the plurality of terminals 7 are connected with the control center 1 through the communication module 5.
In the embodiment of the present invention, as an alternative, the plurality of terminals 7 and the communication module 5 communicate via the short-distance wireless transmission technology, for example: the short-range wireless transmission technology includes a radio wave technology.
In the embodiment of the utility model, this system still includes: a plurality of terminals 7 and high in the clouds management platform 6, a plurality of terminals 7 are connected with high in the clouds management platform 6.
The embodiment of the utility model provides an in, as an alternative, a plurality of terminals 7 communicate through mobile communication technology with high in the clouds management platform 6, for example: the mobile communication technology includes 4G or 5G technology.
The embodiment of the utility model provides an in, terminal 7 includes user terminal or vehicle mounted terminal.
The embodiment of the utility model provides an in, when terminal 7 includes user terminal, user terminal includes cell-phone, panel computer, computer or wearable equipment.
The embodiment of the utility model provides an in, when terminal 7 includes vehicle mounted terminal, vehicle mounted terminal is terminal, car machine or intelligent rear-view mirror in coordination including installing the intelligent car road network on the vehicle.
The embodiment of the utility model provides a pair of vehicle road is system in coordination's technical scheme, this system includes control center, a plurality of sensor, a plurality of traffic signal lamp and a plurality of variable lane sign, and the control center is connected with a plurality of sensor, and the control center is connected with a plurality of traffic signal lamp, and the control center is connected with a plurality of variable lane signs. The utility model provides a technical scheme can realize the real-time analysis of control maincenter to the traffic flow, controls traffic signal lamp and variable lane sign dynamically, has improved the current efficiency of road.
Based on the vehicle road cooperative system that above-mentioned figure 1 provided, the utility model provides a vehicle road cooperative method. Fig. 2 is a flowchart of a vehicle-road cooperation method provided by an embodiment of the present invention, as shown in fig. 2, the method includes:
The embodiment of the utility model provides an in, set up the sensor in the roadside with the crossing, as an alternative, can set up the sensor above the stop line, and set up a plurality of sensors according to setting for the distance interval on the town road isolation barrier of stop line side.
The embodiment of the utility model provides an in, every sensor that crossing and trackside set up all can acquire first vehicle information. For example, when a vehicle is jammed at an intersection, a plurality of vehicles are sequentially arranged along the extending direction of a road guardrail from the position of a stop line, each sensor above the stop line and on a municipal road isolation guardrail senses the vehicle, and if the vehicle is sensed, first vehicle information is generated and sent to a control center. In other words, at a point in time when the vehicle is congested, one first vehicle information is sensed by each sensor above the stop line and on the road guardrail that is capable of sensing the first vehicle information.
The embodiment of the utility model provides an in, the sensor that the crossing set up responds to the vehicle, generates a second vehicle information and sends second vehicle information to the control hub when sensing a vehicle every time.
The embodiment of the utility model provides an in, when the vehicle congested at the crossing, the sensor that the crossing set up can include optical camera, and the optical camera that the crossing set up shoots the vehicle and generates third vehicle information, and this third vehicle information includes vehicle image information.
And 102, the control center generates queuing fleet length information according to the counted number of the first vehicle information and the pre-acquired average length of the vehicles, generates intersection traffic flow information according to the counted number of the second vehicle information, performs image recognition on the third vehicle information, and recognizes the vehicle congestion direction information.
In this step, the control center acquires the vehicle lengths of the vehicles of various models in advance, and calculates the average value of the vehicle lengths of the vehicles of various models to obtain the average length of the vehicles.
The step of generating the length information of the queued fleet of vehicles by the control center according to the counted number of the first vehicle information and the pre-obtained average length of the vehicles may specifically include: the control center firstly counts the number of the received first vehicle information, and then multiplies the number of the first vehicle information and the average length of the vehicles to generate the queuing fleet length information.
In the embodiment of the utility model, if the length of the queue fleet in the queue fleet length information is long, the lane congestion is indicated; and if the length of the queued fleet is short in the queued fleet length information, the lane is smooth.
The embodiment of the utility model provides an in, crossing traffic flow information includes the vehicle quantity through the crossing in the unit interval.
The step of generating intersection traffic flow information according to the counted number of the second vehicle information may specifically include: the control center counts the number of the second vehicle information received in the set time, and then divides the number of the second vehicle information received in the set time by the set time to generate the intersection traffic flow information.
In the embodiment of the utility model, if the intersection traffic flow is large in the intersection traffic flow information, the intersection passing capacity is saturated; if the intersection traffic flow in the intersection traffic flow information is small, the intersection passing capacity is surplus.
In this step, the image recognition of the third vehicle information is performed, and the recognition of the vehicle congestion direction information may specifically include: the control center performs image recognition on the vehicle image in the third vehicle information, and recognizes the vehicle congestion direction information according to the relative position relation between the vehicle image in the third vehicle information and the road reference object.
The embodiment of the utility model provides an in, road reference thing includes lane, traffic signal lamp or variable lane sign.
The embodiment of the utility model provides an in, the sensor can acquire a plurality of data, and a plurality of data can be calculated to the control hub to synthesize the judgement according to a plurality of data, only judge that a data probably causes the erroneous judgement, the embodiment of the utility model provides a technical scheme has improved the degree of accuracy of judging the vehicle degree of blocking up.
The embodiment of the utility model provides an in, if judge that crossing traffic flow information is more than or equal to and set for the threshold value, then indicate this lane and do not block up.
And if the traffic flow information at the intersection is judged to be smaller than the set threshold value, the lane is indicated to be congested.
And 104, inputting the intersection traffic flow information into the vehicle-road cooperative strategy model by the control hub, and outputting control information. The embodiment of the utility model provides an in, control information includes the most control information of vehicle quantity through the crossing in the unit interval.
The embodiment of the utility model provides an in, control information specifically includes traffic signal's red light and/or green light's time length and the instruction information of variable lane sign.
The embodiment of the utility model provides an in, the control hub carries out machine learning to the historical data of prestoring, generates car road collaborative strategy model.
As an alternative, for example: the length of time for the red and/or green lights of the traffic signal light may include a green light time for a left turn direction. For example: if the green light time in the left turn direction includes 1 minute, 2 minutes, 3 minutes or 5 minutes, the generated intersection traffic flow information corresponding to the green light time is 2 vehicles, 5 vehicles, 20 vehicles or 10 vehicles respectively, the maximum value of 20 vehicles is selected from the corresponding intersection traffic flow information, the green light time in the left turn direction corresponding to the maximum value of 20 vehicles is inquired to be 3 minutes, and the green light time in the left turn direction is 3 minutes and is set as the control information.
As an alternative, the indication information of the variable lane indicator includes indication information of a left-turn lane, such as: setting the indication information of one straight lane, two straight lanes or three straight lanes on the right side of the left lane as the indication information of the left-turning lane, namely: and setting one straight lane, two straight lanes or three straight lanes at the right side of the left lane as a left-turn lane. The generated intersection traffic flow information corresponding to the indication information of the left-turn lane is respectively 5, 15 and 8, the maximum 15 vehicles are selected from the corresponding intersection traffic flow information, the indication information of the left-turn lane corresponding to the maximum 15 vehicles is inquired as the indication information of two straight lanes at the right of the left lane, and the inquired indication information of the left-turn lane is set as control information.
In the embodiment of the utility model provides an in, control hub sends traffic signal lamp's red light and/or green light's time length.
The embodiment of the utility model provides an in, the instruction information that the control center will change the lane sign sends to variable lane sign.
And 106, displaying the traffic signal lamp or the variable lane indicator according to the control information.
As an alternative, the traffic signal displays based on the length of time that the red and/or green lights of the traffic signal are lit. For example: the traffic signal lamp displays the traffic signal lamp for 3 minutes according to the green light time, the yellow light starts flashing after the green light is displayed for 3 minutes, and the red light display time is unchanged according to the preset time. Correspondingly, the display is carried out according to the fact that the red light time of the intersection is 3 minutes, the display starts to turn into the green light after the red light is displayed for 3 minutes, the display time of the green light is unchanged according to the preset time, the waiting time of the intersection is shortened, and the waiting time of the intersection is prolonged.
As an alternative, the variable lane indicator displays according to indication information of the variable lane indicator. For example: the variable lane indicating plate displays a left-turn lane according to the two straight lanes on the right of the left lane, the variable lane indicating plate displays that the two straight lanes on the right of the left lane are set as left-turn lanes, and the driving directions of vehicles on the other lanes are kept unchanged.
The embodiment of the utility model provides an in, change the control information of crossing traffic signal lamp or variable lane sign dynamically to change the traffic transit time of crossing dynamically, improved the current efficiency of traffic, when the vehicle quantity through the crossing is less in having avoided the unit interval, no vehicle is current, when the vehicle quantity through the crossing is more in the unit interval, the meaningless waiting of crossing vehicle.
And step 107, the control center divides the queuing fleet length information by the acquired average speed information of the vehicle passing road section to obtain the predicted passing time information.
Alternatively, the plurality of vehicle-mounted terminals acquire instantaneous speed information of the vehicle passing road section and transmit the instantaneous speed information of the plurality of vehicle passing road sections to the communication module, and the communication module transmits the acquired instantaneous speed information of the plurality of vehicle passing road sections to the control center. The control center calculates the average value of the instantaneous speed information of a plurality of vehicle passing road sections to obtain the average speed information of the vehicle passing road sections.
As an alternative, the control center stores the corresponding relationship between the queuing fleet length information of the historical data and the average speed information of the vehicle passing road sections in advance, and the average speed information of the vehicle passing road sections corresponding to the queuing fleet length information is inquired according to the queuing fleet length information.
And step 108, the control center sends the predicted passing time information and/or the vehicle congestion direction information to the communication module.
And step 109, the communication module sends the predicted passing time information and/or the vehicle congestion direction information to the terminal.
As an alternative scheme, the terminal displays the predicted passing time information and/or the vehicle congestion direction information, so that a user using the terminal can adjust the travel according to the predicted passing time information and/or the vehicle congestion direction information conveniently, the road passing efficiency is improved, and the time of the user on the road is saved.
In this step, the communication module transmits the estimated passing time information and/or the vehicle congestion direction information to the terminal within the set distance.
As an alternative, the set distance comprises 1 km.
As an alternative, the communication module transmits the estimated passage time information and/or the vehicle congestion direction information to the terminal through the internet.
As an alternative, the utility model provides a technical scheme is when meetting road closure or road maintenance, and the user can modify the control command in the high in the clouds management platform through the management terminal, and the control command after the modification that high in the clouds management platform will sends to communication module, and communication module will modify the control command after and send to the control maincenter, and the control maincenter will modify the control command and send to traffic signal lamp or variable lane sign, and traffic signal lamp or variable lane sign control according to the control command after modifying.
The embodiment of the utility model provides a pair of vehicle road is system in coordination's technical scheme, this system includes control center, a plurality of sensor, a plurality of traffic signal lamp and a plurality of variable lane sign, and the control center is connected with a plurality of sensor, and the control center is connected with a plurality of traffic signal lamp, and the control center is connected with a plurality of variable lane signs. The utility model provides a technical scheme can realize the real-time analysis to the traffic flow, and the instruction time of dynamic adjustment traffic signal lamp and variable lane sign has improved the current efficiency of road.
The embodiment of the utility model provides a among the technical scheme of a car road cooperative system, historical data has been recorded to this system to can apply to car road cooperative strategy model in a flexible way, can stand out a whole set of operational mode, rather than the adjustment in single lane, improve car road cooperative system's the integrality that acts on traffic system, improve the current efficiency of road.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A vehicle-road coordination system, comprising: the control center is connected with the plurality of sensors, the control center is connected with the plurality of traffic signal lamps, and the control center is connected with the plurality of variable lane indication plates.
2. The vehicle-road coordination system according to claim 1, further comprising: the cloud management platform is connected with the control center through the communication module.
3. The vehicle-road coordination system according to claim 1, further comprising: the terminal comprises a communication module and a plurality of terminals, wherein the terminals are connected with the control center through the communication module.
4. The vehicle-road coordination system according to claim 1, further comprising: the system comprises a plurality of terminals and a cloud management platform, wherein the terminals are connected with the cloud management platform.
5. The vehicle-road coordination system according to claim 3 or 4, wherein said terminal comprises: a user terminal or a vehicle-mounted terminal.
6. The vehicular access coordination system according to claim 3 or 4, wherein when said terminal comprises a user terminal, said user terminal comprises a mobile phone, a tablet computer, a computer or a wearable device.
7. The vehicle-road coordination system according to claim 1, wherein said sensor is disposed at an intersection or at a roadside.
8. The vehicle-road coordination system according to claim 1 or 7, wherein said sensor comprises: optical cameras, ultrasonic radar, laser radar or road surface triggering devices.
9. The vehicle access coordination system of claim 1, wherein said variable lane indicator is disposed above a stop line at a lane crossing or at the top of a tunnel portal.
10. The vehicle access coordination system of claim 1, wherein said sensor is connected to said control hub by a cable, said traffic light is connected to said control hub by a cable, and said variable lane indicator is connected to said control hub by a cable.
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| CN202020103232.0U CN211319386U (en) | 2020-01-16 | 2020-01-16 | Vehicle-road cooperative system |
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| CN202020103232.0U CN211319386U (en) | 2020-01-16 | 2020-01-16 | Vehicle-road cooperative system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112102627A (en) * | 2020-10-27 | 2020-12-18 | 江苏广宇科技产业发展有限公司 | Variable lane control method based on vehicle-road cooperation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112102627A (en) * | 2020-10-27 | 2020-12-18 | 江苏广宇科技产业发展有限公司 | Variable lane control method based on vehicle-road cooperation |
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