CN115100865A - Management and control system for traffic safety of tunnel portal area - Google Patents
Management and control system for traffic safety of tunnel portal area Download PDFInfo
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- CN115100865A CN115100865A CN202210730512.8A CN202210730512A CN115100865A CN 115100865 A CN115100865 A CN 115100865A CN 202210730512 A CN202210730512 A CN 202210730512A CN 115100865 A CN115100865 A CN 115100865A
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/048—Detecting movement of traffic to be counted or controlled with provision for compensation of environmental or other condition, e.g. snow, vehicle stopped at detector
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/052—Detecting movement of traffic to be counted or controlled with provision for determining speed or overspeed
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/16—Anti-collision systems
- G08G1/166—Anti-collision systems for active traffic, e.g. moving vehicles, pedestrians, bikes
Abstract
The invention discloses a management and control system for traffic safety of a tunnel portal area, which comprises an information acquisition module and an analysis and study module; the information acquisition module is used for acquiring traffic data in the target tunnel and brightness information inside and outside the target tunnel, and sending the traffic data and the brightness information to the analysis and study module; and the analysis and study module is used for analyzing the traffic data and the brightness information according to a preset rule to generate a risk level of the target tunnel. The invention solves the problem of frequent traffic rear-end accidents caused by the difference of the internal environment and the external environment of the tunnel and the effect of black and white holes, and utilizes the display sign or the display screen to display the prompt information corresponding to the risk grade, thereby having the function of guiding the drivers driving inside and outside the target tunnel.
Description
Technical Field
The invention relates to the technical field of tunnel traffic safety, in particular to a management and control system for tunnel portal area traffic safety.
Background
In recent years, with the rapid development of the infrastructure of china, the number of tunnels is increasing. In the tunnel entrance traffic control scheme, a traffic warning sign is set at the entrance, or variable warning information is transmitted to vehicles in the tunnel to perform information reminding service. However, the method is mainly based on static information, and lacks real-time monitoring on traffic information, abnormal events or traffic accidents at the tunnel portal, so that the early warning and management and control effects are poor.
In addition, the tunnel portal area is a high-speed road section of traffic accidents, and the traffic accidents such as rear-end collisions and the like are frequently caused due to the difference of driving environments inside and outside the tunnel and the influence of the visual black-and-white tunnel effect.
Disclosure of Invention
The invention aims to overcome the defects that traffic accidents such as rear-end collision and the like are frequently caused due to the difference of driving environments inside and outside a tunnel and the influence of a visual black-and-white hole effect in the prior art, and provides a management and control system for the traffic safety of a tunnel portal area.
The invention solves the technical problems through the following technical scheme:
in a first aspect, the present invention provides a management and control system for traffic safety in a tunnel portal area, where the management and control system includes: the system comprises an information acquisition module and an analysis and study module;
the information acquisition module is used for acquiring traffic data in a target tunnel and brightness information inside and outside the target tunnel, and sending the traffic data and the brightness information to the analysis and study module;
and the analysis and study module is used for analyzing the traffic data and the brightness information according to a preset rule to generate the risk level of the target tunnel.
Preferably, the information acquisition module comprises video acquisition equipment, physical detection equipment and a brightness sensor;
the video acquisition equipment comprises an image sensor, and the image sensor is used for acquiring the vehicle quantity information and the traffic flow density information inside and outside the tunnel of the target tunnel; the traffic data includes the vehicle number information and the traffic flow density information;
the physical detection equipment is arranged at the top of the target tunnel and is used for detecting the speed information and the motion trail information of the single vehicle on each lane, and the traffic data comprises the speed information and the motion trail information of the single vehicle;
the brightness sensors are respectively arranged inside and outside the target tunnel and are respectively used for acquiring first brightness information inside the tunnel and second brightness information outside the tunnel; the luminance information includes the first luminance information and the second luminance information.
Preferably, the analysis studying and judging module comprises an abnormal event risk studying and judging unit and a daily operation risk studying and judging unit;
the abnormal event risk studying and judging unit is used for judging whether the vehicle track is abnormal or not and judging whether an abnormal area exists or not according to the traffic data and generating abnormal event information according to a judgment result; the abnormal area represents a road section with a risk in traffic road conditions;
the daily operation risk studying and judging unit is used for judging whether a congestion phenomenon exists or not according to the traffic data, determining whether pedestrians pass through the tunnel or not, and generating operation risk information according to a judgment result;
the daily operation risk studying and judging unit is also used for judging whether the black hole effect exists according to the brightness information and generating black hole effect information according to the judgment result;
the analysis and study module is specifically configured to analyze the abnormal event information, the operation risk information, and the black hole effect information according to the preset rule, and generate the risk level.
Preferably, the abnormal event risk studying and judging unit comprises an abnormal area detecting subunit and a vehicle track abnormality analyzing subunit;
the abnormal area detection subunit is used for judging whether parking or cargo throwing occurs in the tunnel according to the speed information of the single vehicle;
and the vehicle track abnormity analysis subunit is used for detecting whether vehicle retrograde motion or congestion occurs according to the motion track information.
Preferably, the analysis and study module comprises an early warning unit;
and the early warning unit is used for determining whether an accident occurs according to the motion track information, and if so, sending warning information to external equipment.
Preferably, the information acquisition module is further configured to send the traffic data to an external device, so that the external device displays and broadcasts the traffic data;
the analysis and study module is further configured to send the generated risk level to the external device, so that the external device can display and broadcast the prompt information corresponding to the risk level.
Preferably, the management and control system further comprises a display sign, the display sign is arranged outside the tunnel, and the display sign comprises an accident warning sign and a speed suggestion sign;
the analysis and study module is also used for generating corresponding accident prompt information and speed prompt information according to the risk level; the accident warning board is used for displaying the accident prompt information, and the speed suggestion board is used for displaying the speed prompt information.
Preferably, the management and control system further comprises a display screen, and the display screen is respectively arranged at the entrance of the target tunnel and at a position away from the entrance of the target tunnel by a preset distance;
the analysis and study module is also used for generating early warning prompt information according to the risk level; the display screen is used for displaying the early warning prompt information.
Preferably, the display screen is of a detachable modular structure, the structural size of the characters or patterns on the display screen meets a preset requirement, and a light-emitting device is arranged inside the display screen and comprises an LED tube.
Preferably, the analysis and judgment module is further configured to generate display information according to the risk level; the display information comprises first display information, second display information and third display information; the first display information displays a reminding sign, the second display information displays a speed limit sign, and the third display information displays a restriction sign.
The positive progress effects of the invention are as follows: the traffic data and the brightness information inside and outside the target tunnel are obtained through the information acquisition module, sent to the analysis and study module, and analyzed according to preset rules based on the analysis and study module to generate the risk level of the target tunnel. The invention solves the problem of frequent traffic rear-end accidents caused by the difference of the internal environment and the external environment of the tunnel and the effect of black and white holes, and utilizes the display plate or the display screen to display the prompt information corresponding to different risk levels, thereby having the function of guiding the drivers driving inside and outside the tunnel.
Drawings
Fig. 1 is a schematic block diagram of a system for managing and controlling traffic safety of a tunnel portal area according to embodiment 1 of the present invention.
Fig. 2 is a schematic block diagram of a system for managing and controlling traffic safety of a tunnel portal area according to embodiment 2 of the present invention.
Fig. 3 is a schematic layout view of a management and control system for tunnel portal area traffic safety in embodiment 2 of the present invention.
Detailed Description
The invention is further illustrated by the following examples, which are not intended to limit the scope of the invention.
Example 1
The present embodiment provides a management and control system for tunnel portal area traffic safety, as shown in fig. 1, the management and control system includes: the information acquisition module 100 and the analysis and study module 200;
the information acquisition module 100 is used for acquiring traffic data in the target tunnel and brightness information inside and outside the target tunnel, and sending the traffic data and the brightness information to the analysis and study module;
and the analysis and study module 200 is configured to analyze the traffic data and the brightness information according to a preset rule, and generate a risk level of the target tunnel.
In specific implementation, after a vehicle enters a tunnel, the information acquisition module 100 in the management and control system acquires traffic data including a target vehicle in the tunnel, and can also perform feature extraction, identity recognition and judgment on a motion state of other vehicles entering the tunnel through the information acquisition module 100. The data acquired by the information acquisition module 100 is divided into static attribute data of the vehicle, dynamic attribute data of the vehicle and vehicle visual state data.
The analysis and study module 200 analyzes the received traffic data and the brightness information, and determines the basic situation of the vehicle running in the tunnel and the congestion situation of the vehicle in the tunnel, so as to generate the risk level of the target tunnel according to the basic situation of the vehicle running in the tunnel and the congestion situation of the vehicle in the tunnel.
The information acquisition module 100 includes a video acquisition device 110, a physical detection device 120, and a brightness sensor 130;
the video collecting device 110 includes an image sensor for collecting vehicle number information and traffic flow density information inside and outside a tunnel of a target tunnel; the traffic data comprises vehicle number information and traffic flow density information;
the physical detection device 120 is arranged at the top of the target tunnel, and is used for detecting the speed information and the motion trail information of the single vehicle on each lane, and the traffic data comprises the speed information and the motion trail information of the single vehicle;
the brightness sensor 130 is respectively arranged inside and outside the target tunnel and is respectively used for acquiring first brightness information inside the tunnel and second brightness information outside the tunnel; the luminance information includes first luminance information and second luminance information.
In specific implementation, the mine-vision integrated traffic information acquisition facility is continuously arranged in a preset range inside and outside the tunnel portal. The video capture device 110 may be used to capture images of traffic flow characteristics inside and outside the tunnel portal, environmental parameters inside and outside the tunnel portal, and traffic information such as abnormal events or accidents. The video capture device 110 may be a video camera that includes an image sensor, employs approximately 200 million active pixels, and a shutter of 1/25-1/10000 seconds, which may support alarm linkage.
The physical detection device 120 may be disposed at any position on the top of the target tunnel, and the physical detection device 120 may be a millimeter-wave radar. The millimeter wave radar is used for detecting traffic parameters of all lanes, vehicle driving behaviors, vehicle real-time speed, traffic flow queuing length and traffic jam state in the tunnel, so that a basis is provided for road traffic guidance, traffic jam early warning and intelligent tunnel management in the tunnel. The millimeter wave radar is arranged at the height position of 4.5-6 m of the tunnel portal, real-time 4D information (4-dimensional information, X coordinate, Y coordinate, instantaneous speed and azimuth angle information) of the single vehicle can be provided through the millimeter wave radar, and the main detection targets are vehicles with the rest time exceeding 10 minutes and vehicles within 180 meters from the farthest distance of the millimeter wave radar. The millimeter wave radar can also be used for detecting the queuing length and the congestion state of the vehicles at the tunnel portal and monitoring the traffic congestion state and the motion trail in real time. A brightness sensor 130 is arranged inside the tunnel portal to monitor the brightness difference inside and outside the tunnel portal. The physical detection device 120 may further include a geomagnetic vehicle detector, a coil vehicle detector, a conventional microwave vehicle detector, and the like, and detects a traffic flow and a vehicle type of a road in the target tunnel using the geomagnetic vehicle detector, may also detect a road traffic flow and a vehicle type using the coil vehicle detector, and may also detect a traffic flow and a vehicle type of a road in the target tunnel using the conventional microwave vehicle detector.
The luminance sensor 130 may be disposed outside and inside the target tunnel, and the luminance sensor 130 may have a measurement range of 0-7000cd/m outside the tunnel 2 Measurement accuracy of + -1 cd/m 2 The measurement range inside the tunnel is 0-6500cd/m 2 The measurement precision is +/-0.1 cd/m 2 The brightness of the light is perceived and converted into a usable output signal.
The analysis judging module 200 comprises an abnormal event risk judging unit 210 and a daily operation risk judging unit 220;
an abnormal event risk studying and judging unit 210, configured to judge whether there is a vehicle track abnormality and judge whether there is an abnormal area according to the traffic data, and generate abnormal event information according to a judgment result; the abnormal area represents a road section with a risk in traffic road conditions;
the daily operation risk studying and judging unit 220 is used for judging whether a congestion phenomenon exists or not according to the traffic data, determining whether pedestrians pass through the tunnel or not, and generating operation risk information according to a judgment result;
the daily operation risk studying and judging unit 220 is further configured to judge whether a black hole effect exists according to the brightness information, and generate black hole effect information according to a judgment result;
the analysis and study module 200 is specifically configured to analyze the abnormal event information, the operation risk information, and the black hole effect information according to a preset rule, and generate a risk level.
In specific implementation, the abnormal event risk studying and judging unit 210 judges whether the driving track of the target vehicle in the target tunnel is abnormal or not according to the acquired traffic data, and judges whether an abnormal area exists in the target tunnel or not. The abnormal area comprises an area where parking congestion caused by traffic accidents exists and can also comprise an area where goods throwing phenomena exist.
The daily operation risk studying and judging unit 220 judges whether a vehicle congestion phenomenon occurs or whether a vehicle congestion phenomenon is predicted to occur according to the traffic data, and identifies an area to be congested. The daily operation risk study and judgment unit 220 analyzes the collected traffic data according to the vehicle running speed, the preset travel distance and the travel time passing through the preset travel distance. And determining a speed threshold value of a preset travel distance according to the average travel speed index, inputting the traffic data of suspected vehicles which are likely to have a congestion phenomenon into a congestion model generated based on neural network algorithm training, and predicting the areas which are likely to have vehicle congestion in the target tunnel.
The daily operation risk studying and judging unit 220 may further judge whether a black hole effect is generated due to a difference between driving environments inside and outside a hole of the target tunnel according to the brightness information inside and outside the target tunnel collected by the brightness sensor 130.
In particular, the target tunnel entrance section exists with a length L 1 And L 2 The brightness value of the ground outside the tunnel is a on two road sections 0 ，L 1 And L 2 The brightness value at the entrance of the hole corresponding to the two road sections is a 1 And a 2 . The brightness value at the entrance of the opening and the length L of the entrance section can be calculated by the following formula 1 And L 2 ：
a 1 ＝k*a 0 ；
a 2 ＝0.5*k*a 0 ；
k represents a reduction coefficient of brightness at an entrance of a target tunnel, D s Indicating the parking apparent distance, i.e., the distance required for parking at a preset design vehicle speed, and H indicating the headroom in the target tunnel. The length of the entrance section of the target tunnel can be calculated according to the clearance height and the parking sight distance of the target tunnel, and L is further calculated 1 And L 2 Brightness value a at entrance of hole of target tunnel corresponding to two road sections 1 And a 2 The daily operation risk evaluating unit 220 compares the brightness difference between the two road sections to determine whether the black hole effect is generated.
The analysis and study module 200 may input the abnormal event information, the operation risk information, and the black hole effect information into the prediction model, and output the predicted risk level.
In this embodiment, a management and control system for traffic safety of a tunnel portal area is provided, which obtains traffic data in a target tunnel and brightness information inside and outside the target tunnel through an information acquisition module, sends the traffic data and the brightness information to an analysis and study module, and analyzes the traffic data and the brightness information according to a preset rule based on the analysis and study module to generate a risk level of the target tunnel. The invention solves the problem of frequent traffic rear-end accidents caused by the difference of the inner environment and the outer environment of the tunnel and the effect of black and white holes, and reduces the frequency of the accidents at the tunnel entrance.
Example 2
On the basis of embodiment 1, this embodiment provides a management and control system for tunnel portal area traffic safety, and as shown in fig. 2, a schematic structural diagram of the management and control system of this embodiment is shown. Compared with the embodiment 1, the management and control system for the traffic safety of the tunnel portal area provided by the embodiment is further optimized.
The abnormal event risk studying and judging unit 210 of the management and control system comprises an abnormal area detecting subunit 211 and a vehicle track abnormality analyzing subunit 212.
And the abnormal area detection subunit 211 is configured to determine whether a vehicle stops or goods are thrown in the tunnel according to the speed information of the single vehicle.
And the vehicle track abnormity analysis subunit 212 is used for detecting whether the vehicle runs backwards or is jammed according to the motion track information.
Specifically, the abnormal area detecting subunit 211 is configured to detect whether an abnormal condition occurs in the target tunnel, and may include a parking and cargo throwing judgment model. The vehicle track abnormality analysis subunit 212 is configured to analyze a track of the vehicle to determine whether a wrong-way driving or a congestion abnormality occurs.
The analysis and judgment module includes an early warning unit 230.
And the early warning unit 230 is configured to determine whether an accident occurs according to the motion trajectory information, and if so, send warning information to the external device.
In specific implementation, the early warning unit 230 determines whether a traffic accident is about to occur in the target tunnel according to the motion trajectory information in the traffic data, and if the traffic accident is about to occur, immediately sends warning information to a mobile phone terminal of a driver about to enter the target tunnel, so as to reduce the accident rate in the target tunnel.
The information acquisition module 100 is further configured to send the traffic data to an external device, so that the external device displays and broadcasts the traffic data.
The analysis and study module 200 is further configured to send the generated risk level to an external device, so that the external device displays and broadcasts a prompt message corresponding to the risk level.
In specific implementation, the information collection module 100 sends the traffic data to an external device, which may be an information display screen, a vehicle-mounted terminal device, or a mobile terminal device held by a driver. For example, after the mobile phone terminal of the driver about to enter the target tunnel acquires the risk level, the risk level can be displayed on an APP (application program) of the mobile phone terminal, voice prompt information corresponding to the risk level can be broadcasted, and navigation and real-time road condition broadcasting can be performed after the vehicle enters the target tunnel.
The management and control system further comprises a display sign 240, the display sign 240 is arranged outside the tunnel, and the display sign comprises an accident warning sign and a speed suggestion sign.
The analysis and study module 200 is further configured to generate corresponding accident prompt information and speed prompt information according to the risk level, where the accident warning board is configured to display the accident prompt information, and the speed suggestion board is configured to display the speed prompt information.
In a specific implementation, the display sign 240 may be a variable sign disposed at a location 50 meters outside of the target tunnel. The variable signboard is different from the induction screen and mainly displays accident information inside the target tunnel and suggests the speed of entering the target tunnel. The method realizes the timely transmission of accident information inside and outside the target tunnel, and guides the vehicle to run inside the target tunnel at a safe speed so as to reduce the accident rate inside and outside the urban target tunnel portal and the occurrence of secondary accidents caused by the black and white portal effect due to the brightness difference inside and outside the target tunnel.
The management and control system further comprises a display screen 250, and the display screen 250 is respectively arranged at the entrance of the target tunnel and at a position away from the entrance of the target tunnel by a preset distance.
The analysis, study and judgment module 200 is further configured to generate early warning prompt information according to the risk level; the display screen 250 is used for displaying the early warning prompt information.
Specifically, the display screen 250 may have a normal information distribution function; the system also has the function of information release for emergent traffic accidents, emergent emergencies, meteorological events, road construction, maintenance operation and the like; or may have a function of information distribution serving for traffic control; the system also has the function of displaying characters and irregular graphs, the characters, the sizes and the like of the characters meet the requirements of traffic engineering and national standards, and the display content is determined by the control of a computer system. The display screen 250 may have a display mode of a fixed mode and a programmable mode, and the display screen 250 may be disposed at an entrance of the target tunnel or at a position 100 meters away from the entrance of the target tunnel. The display screen 250 can display the early warning prompt information generated according to the risk level, and the early warning prompt information may include the operation condition inside the tunnel and may also include the congestion condition inside the tunnel. The mode can play a role in early warning a driver about to drive into the target tunnel, and speed limit control or suggestion are carried out on the vehicle about to drive into the tunnel so as to reduce the black hole effect and improve the visual comfort of the driver.
The display screen 250 is a detachable modular structure, the structural size of the characters or patterns on the display screen 250 meets the preset requirements, and a light-emitting device is arranged inside the display screen 250 and comprises an LED tube.
Specifically, the display screen 250 is composed of 5 modules each having an area of 12m × 12 m. The luminous intensity of the display screen 250 can be more than 8000cd/m, and a photoreceptor can also be added into the light intensity detection control part of the controller, so that the brightness of the LED lamp can be automatically adjusted according to the light intensity and the actual requirement and 64 levels.
The analysis and study module 200 is further configured to generate display information according to the risk level, where the display information includes first display information, second display information, and third display information; the first display information displays the reminding sign, the second display information displays the speed limiting sign, and the third display information displays the line limiting sign.
Specifically, the first display information has a lower risk level, and a reminder "pay attention to the danger ahead" may be displayed on the display screen 250. The risk level of the second display information is medium, and the speed limit sign of "vehicle speed limit 50" may be displayed on the display screen 250. The third display may show a higher risk rating and a restriction mark "close tunnel entrance" may be shown on the display screen 250.
In a possible implementation scheme, as shown in fig. 3, the LED display 1 may be disposed at an external preset position of the target tunnel, or may be disposed at an entrance of the opening of the target tunnel. Two brightness acquisition devices 3 can be oppositely arranged at the internal target position of the target tunnel and are used for acquiring brightness information of two back-and-forth lanes in the target tunnel; a camera 4 and a radar 5 can be arranged at the middle position inside the target tunnel and used for collecting traffic data of single target vehicles on a round-trip lane, and the collected traffic data and brightness information can be sent to the control system 2 of the traffic safety of the entrance area.
In the embodiment, a management and control system for traffic safety of a tunnel portal area is provided, which acquires traffic data and brightness information in a tunnel by using an information acquisition module; analyzing the traffic data and the brightness information according to a preset rule based on an analysis studying and judging module to generate a risk grade of the target tunnel; and displaying the display information corresponding to the risk grade through a display sign or a display screen. The invention solves the problem of frequent traffic rear-end accidents caused by the difference of the internal environment and the external environment of the tunnel and the effect of black and white holes, and utilizes the display plate or the display screen to display the prompt information corresponding to different risk levels, thereby having the function of guiding the drivers driving inside and outside the tunnel.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.
Claims (10)
1. The utility model provides a management and control system of tunnel portal region traffic safety which characterized in that, the management and control system includes: the system comprises an information acquisition module and an analysis and study module;
the information acquisition module is used for acquiring traffic data in a target tunnel and brightness information inside and outside the target tunnel, and sending the traffic data and the brightness information to the analysis and study module;
and the analysis and study module is used for analyzing the traffic data and the brightness information according to a preset rule to generate the risk level of the target tunnel.
2. The system for managing and controlling the traffic safety of the area of the tunnel portal according to claim 1, wherein the information acquisition module comprises a video acquisition device, a physical detection device and a brightness sensor;
the video acquisition equipment comprises an image sensor, and the image sensor is used for acquiring the vehicle quantity information and the traffic flow density information inside and outside the tunnel of the target tunnel; the traffic data includes the vehicle quantity information and the traffic density information;
the physical detection equipment is arranged at the top of the target tunnel and is used for detecting the speed information and the motion trail information of the single vehicle on each lane, and the traffic data comprises the speed information and the motion trail information of the single vehicle;
the brightness sensors are respectively arranged inside and outside the target tunnel and are respectively used for acquiring first brightness information inside the tunnel and second brightness information outside the tunnel; the luminance information includes the first luminance information and the second luminance information.
3. The system according to claim 2, wherein the analysis and study module includes an abnormal event risk study and decision unit and a daily operation risk study and decision unit;
the abnormal event risk studying and judging unit is used for judging whether the vehicle track is abnormal or not and judging whether an abnormal area exists or not according to the traffic data and generating abnormal event information according to a judgment result; the abnormal area represents a road section with a risk in traffic road conditions;
the daily operation risk studying and judging unit is used for judging whether a congestion phenomenon exists or not according to the traffic data, determining whether pedestrians pass through the tunnel or not, and generating operation risk information according to a judgment result;
the daily operation risk studying and judging unit is also used for judging whether the black hole effect exists according to the brightness information and generating black hole effect information according to the judgment result;
the analysis and study module is specifically configured to analyze the abnormal event information, the operation risk information, and the black hole effect information according to the preset rule, and generate the risk level.
4. The management and control system for traffic safety of the tunnel portal area according to claim 3, wherein the abnormal event risk studying and judging unit comprises an abnormal area detecting subunit and a vehicle track abnormality analyzing subunit;
the abnormal area detection subunit is used for judging whether parking or cargo throwing occurs in the tunnel according to the speed information of the single vehicle;
and the vehicle track abnormity analysis subunit is used for detecting whether vehicle retrograde motion or congestion occurs according to the motion track information.
5. The system for managing and controlling the traffic safety of the tunnel portal area according to claim 3, wherein the analyzing and judging module comprises an early warning unit;
and the early warning unit is used for determining whether an accident occurs according to the motion track information, and if so, sending warning information to external equipment.
6. The system for managing and controlling the traffic safety of the tunnel portal area according to claim 1,
the information acquisition module is also used for sending the traffic data to external equipment so as to be displayed and broadcasted by the external equipment;
the analysis and study module is further configured to send the generated risk level to the external device, so that the external device displays and broadcasts a prompt message corresponding to the risk level.
7. The system for managing and controlling traffic safety of a tunnel portal area according to claim 1, further comprising a display sign, wherein the display sign is disposed outside the tunnel, and the display sign comprises an accident warning sign and a speed suggestion sign;
the analysis and study module is further used for generating corresponding accident prompt information and speed prompt information according to the risk level, the accident warning board is used for displaying the accident prompt information, and the speed suggestion board is used for displaying the speed prompt information.
8. The system according to claim 1, wherein the system further comprises a display screen, the display screen is respectively disposed at an entrance of the target tunnel and at a position away from the entrance of the target tunnel by a preset distance;
the analysis and study module is also used for generating early warning prompt information according to the risk level; the display screen is used for displaying the early warning prompt information.
9. The system according to claim 8, wherein the display screen has a detachable modular structure, the structural size of the characters or patterns on the display screen meets a preset requirement, and the display screen is internally provided with a light emitting device, and the light emitting device includes an LED tube.
10. The system according to claim 1, wherein the analysis and study module is further configured to generate display information according to the risk level, where the display information includes first display information, second display information, and third display information; the first display information displays a reminding sign, the second display information displays a speed limit sign, and the third display information displays a limit sign.
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| CN115762184A (en) * | 2023-01-09 | 2023-03-07 | 江西方兴科技股份有限公司 | Tunnel passing speed control method and device and computer equipment |
| CN115862287A (en) * | 2022-11-24 | 2023-03-28 | 哈尔滨工业大学 | Expressway active lane occupation early warning system based on wireless network |
| CN116153092A (en) * | 2022-12-29 | 2023-05-23 | 北京中科神通科技有限公司 | Tunnel traffic safety monitoring method and system |
| CN116456546A (en) * | 2023-06-07 | 2023-07-18 | 承德高等级公路建设管理集团有限公司 | Highway tunnel photovoltaic shed tunnel and luminance adjustment control method in shed tunnel |
| CN116819511A (en) * | 2023-04-11 | 2023-09-29 | 中铁十一局集团有限公司 | Accurate sensing method and related equipment for tunnel omnidirectional wide-area millimeter wave radar |
| CN117367411A (en) * | 2023-12-07 | 2024-01-09 | 深圳市拓安科技有限公司 | Safe navigation method and system for AI (advanced technology attachment) internet of things tunnel |
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