CN-121982889-A - Small clear distance tunnel-intercommunication safety warning device

CN121982889ACN 121982889 ACN121982889 ACN 121982889ACN-121982889-A

Abstract

The invention relates to the technical field of tunnel management, in particular to a small-clearance tunnel-intercommunication safety warning device which comprises a plurality of indication boards, a plurality of indication lamps, a plurality of illuminating lamps and a safety warning system, wherein the indication boards, the indication lamps and the illuminating lamps are arranged in a tunnel, the safety warning system comprises a data acquisition module, a data analysis module, a vehicle guiding module, a tunnel supervision module and an early warning feedback module, the data acquisition module is used for acquiring vehicle data and environment data in the small-clearance tunnel-intercommunication and transmitting the vehicle data and the environment data to the data analysis module, the vehicle data comprises vehicle speed, vehicle flow and real-time positions of vehicles, and the environment data comprises water level height, air temperature and flow brightness inside and outside the tunnel.

Inventors

Luo shuang
LIU TIANCI
XU JIN
HE YUANYUAN

Assignees

重庆交通大学

Dates

Publication Date: 20260505
Application Date: 20260125

Claims (10)

1. The small-clearance tunnel-intercommunication safety warning device comprises a plurality of indication boards, indication lamps and illuminating lamps which are arranged in a tunnel, and is characterized by further comprising a safety warning system, wherein the safety warning system comprises a data acquisition module, a data analysis module, a vehicle guiding module, a tunnel supervision module and an early warning feedback module; the data acquisition module is used for acquiring vehicle data and environment data inside and outside the tunnel and transmitting the vehicle data and the environment data to the data analysis module; the vehicle data comprises vehicle speed, vehicle flow and real-time position of the vehicle, and the environment data comprises water level height, air temperature and lumen degree inside and outside the tunnel; the data analysis module is used for evaluating the smoothness of the tunnel according to the traffic flow in the tunnel, adjusting the speed limit of the tunnel according to the smoothness of the tunnel, generating a speed limit prompt and transmitting the speed limit prompt to the vehicle guiding module, wherein the smoothness is in direct proportion to the speed limit of the tunnel; The vehicle guiding module is used for analyzing the distribution condition of the vehicles in the tunnel according to the real-time position of the vehicles in the tunnel, generating vehicle driving suggestions according to the distribution condition of the vehicles in the tunnel and transmitting the vehicle driving suggestions to the vehicle guiding module; the data analysis module is used for generating a speed adjustment suggestion and transmitting the speed adjustment suggestion to the vehicle guiding module if the speed of the vehicle exceeds the speed limit of the tunnel; The vehicle guiding module is used for receiving the speed limit prompt, the vehicle running proposal and the vehicle speed adjustment proposal transmitted by the data analysis module, and is also used for butting a voice system of the vehicle and performing voice broadcasting on the speed limit prompt, the vehicle running proposal and the vehicle speed adjustment proposal by utilizing the voice system of the vehicle; The system comprises a tunnel monitoring module, a tunnel prediction model, a color depth and stress concentration coefficient generation module, a color depth rendering module and a color display module, wherein the tunnel monitoring module is used for monitoring real-time images, vault subsidence, horizontal convergence and middle rock wall displacement data of a tunnel in real time, constructing a tunnel prediction model by using a depth learning algorithm, acquiring the tunnel prediction model based on vault subsidence, horizontal convergence and middle rock wall displacement data of a plurality of tunnels and collapse image training of the tunnel, dividing the tunnel into a plurality of areas of 1x1m according to the current vault subsidence, horizontal convergence and middle rock wall displacement data of the tunnel, calculating the stress concentration coefficient of each area in the tunnel, constructing a three-dimensional image of the tunnel according to the real-time images of the tunnel, and rendering each area in the three-dimensional image by using colors with different depths according to the stress concentration coefficients of each area in the tunnel; The stress concentration coefficient is calculated as follows: K t =σ max /σ nom (1); Wherein K t is a stress concentration coefficient, sigma max is the maximum stress in the current area, and sigma nom is the average stress of the whole tunnel; the stress value of the dome is calculated as follows: σv=Δh/H (2); wherein σv is the stress value of the vault, H is the tunnel burial depth, and Δh is the vault settlement; The stress value calculation formula generated by horizontal convergence is as follows: σh=Δd /R (3); wherein sigma h is a stress value generated by horizontal convergence, R is a tunnel excavation radius, and delta d is a horizontal convergence value; the stress value calculation formula caused by the displacement of the rock wall is as follows: σγ =Δw / L (4); wherein sigma gamma is a stress value caused by displacement of the middle rock wall, L is the longitudinal length of the middle rock wall, and Deltaw is the displacement of the middle rock wall; When the average stress of the tunnel exceeds the average stress threshold, the early warning feedback module is used for the integral inspection prompt and the tunnel traffic prompt of the tunnel, transmitting the integral inspection prompt to a remote control end of a tunnel manager and feeding the tunnel traffic prompt back to the vehicle guiding module; When the stress concentration coefficient in any area in the tunnel exceeds the stress concentration coefficient threshold, the early warning feedback module is used for generating an area inspection prompt and an area passing prompt of the area, transmitting the area inspection prompt to a remote control end of a tunnel manager and feeding the area passing prompt back to the vehicle guiding module, and the vehicle guiding module is used for carrying out voice broadcasting on the tunnel passing prompt and the area passing prompt through a voice system of a vehicle.
2. The small clear distance tunnel-intercommunication safety warning device according to claim 1, wherein when the maximum stress in a certain area in a tunnel exceeds an area stress threshold value, the tunnel prediction model judges that the area has collapse risk, and the tunnel prediction model records the difference value between the maximum stress value in the area and the area stress threshold value as a collapse coefficient, wherein the collapse risk is in direct proportion to the collapse coefficient.
3. The small clear distance tunnel-intercommunication safety warning device according to claim 2, wherein a plurality of lamp strips are installed in the tunnel, the data analysis module is further used for setting a flow threshold, the lamp strips are green when the traffic flow is lower than the flow threshold, the lamp strips are red when the traffic flow exceeds the flow threshold, and the data analysis module is used for adjusting speed limit according to the ratio of the traffic flow to the flow threshold.
4. The small clear distance tunnel-intercommunication safety warning device according to claim 3, wherein the data analysis module is further used for adjusting the brightness of the illuminating lamp according to the brightness of the flow in the tunnel and the brightness outside the tunnel, the brightness of the illuminating lamp sequentially increases along the direction from the tunnel entrance to the tunnel exit, and the brightness of the illuminating lamp at the position of the tunnel exit is equal to the brightness outside the tunnel.
5. The small clear distance tunnel-intercommunication safety warning device according to claim 4, wherein the data analysis module is further used for calculating the distance between the current vehicle and the next sign according to the real-time position of the vehicle to generate an indication distance, calculating the distance between the vehicle and the tunnel exit and the ramp exit to generate an exit distance, transmitting the indication distance and the exit distance to the vehicle guiding module, and the vehicle is used for voice broadcasting the indication distance and the exit distance through a voice system of the vehicle.
6. The small clear distance tunnel-intercommunication safety warning device according to claim 5, wherein the data analysis module is further used for calculating the distance between adjacent vehicles according to the real-time positions of the vehicles, judging whether collision risks exist between the adjacent vehicles according to the distance between the adjacent vehicles and the speed of the adjacent vehicles, and if the distance between the adjacent vehicles is reduced and the speed of the rear vehicle is not reduced, judging that the collision risks exist by the data analysis module, and immediately sending a deceleration prompt to the rear vehicle through the vehicle guiding module.
7. The small clear distance "tunnel-intercommunication" safety warning device according to claim 6, wherein a display screen is installed at the entrance of the tunnel, and the display screen is used for displaying the current speed limit, the traffic flow, the air temperature, the water level height and the total length of the tunnel.
8. The small clear distance "tunnel-interworking" safety warning device of claim 7, wherein the data analysis module is further configured to set a water level threshold, and when the water level in the tunnel exceeds the water level threshold, the data analysis module generates a no-traffic prompt and displays the no-traffic prompt via the display screen.
9. The small clear-distance "tunnel-interworking" safety warning device of claim 8, wherein the data analysis module is further configured to determine whether the tunnel is being serviced or whether one or more of a car accident has occurred in the tunnel based on the real-time image in the tunnel, and wherein the data analysis module is further configured to generate a traffic-prohibited alert if the tunnel is being serviced or one or more of a car accident has occurred in the tunnel.
10. The small clear distance tunnel-intercommunication safety warning device according to claim 9, wherein the tunnel prediction model is further used for generating a tunnel collapse simulation image by utilizing a three-dimensional image of a tunnel according to collapse risks of all areas of the tunnel and transmitting the tunnel collapse simulation image to the early warning feedback module, and the early warning feedback module is used for transmitting the tunnel collapse simulation image to a remote control end of a tunnel manager.

Description

Small clear distance tunnel-intercommunication safety warning device Technical Field The invention relates to the technical field of tunnel management, in particular to a small-clearance tunnel-intercommunication safety warning device. Background The expressway in mountain area is influenced by the factors of topography, geological conditions, construction cost and the like, and the optional points of tunnel outlets and intercommunication are greatly limited, so that a series of engineering examples of small net distance between tunnel outlets and front intercommunication (main line outlets) inevitably occur. The distance from the tunnel outlet to the starting point of the front intercommunication transition section is smaller than the recommended value (1000 m) of the highway route design rule and the highway three-dimensional intersection design rule, and the tunnel is called as small-clear-distance tunnel intercommunication. In the prior art, when a driver in the tunnel carries out safety warning, the driver is mainly reminded of speed limit, tunnel length, driving direction and the like by virtue of the indication board and the indication lamp, so that the risk of traffic accidents in the tunnel is reduced, and the driving safety of the driver is improved. In summary, how to solve the problem of low safety factor of vehicle driving in a tunnel caused by lack of active management and control of the driving vehicle by only observing the indication board and the indication lamp by a driver in the existing safety warning technology has become a problem in the prior art. Therefore, there is a need for a small clear-distance "tunnel-intercommunication" safety warning device that is more capable of actively managing and controlling a vehicle. Disclosure of Invention In order to solve the problems, the invention provides a small-clearance 'tunnel-intercommunication' safety warning device, which can carry out diversified safety prompts on vehicles in a tunnel according to the speed, flow, real-time position, water level height inside and outside the tunnel, air temperature and brightness of the vehicles in the tunnel through the design of a safety warning system, and carry out active management and control on the driving vehicles, thereby improving the safety coefficient of the driving of the vehicles in the tunnel. In order to achieve the purpose, the small-clearance 'tunnel-intercommunication' safety warning device comprises a plurality of indication boards, indication lamps and illuminating lamps which are arranged in a tunnel, and also comprises a safety warning system, wherein the safety warning system comprises a data acquisition module, a data analysis module, a vehicle guiding module, a tunnel supervision module and an early warning feedback module. The system comprises a tunnel, a data acquisition module, a data analysis module and a data analysis module, wherein the data acquisition module is used for acquiring vehicle data and environment data inside and outside the tunnel and transmitting the vehicle data to the data analysis module, the vehicle data comprise vehicle speed, vehicle flow and real-time position of the vehicle, and the environment data comprise water level height, air temperature and flow brightness inside and outside the tunnel. The system comprises a tunnel, a data analysis module, a vehicle guiding module, a data analysis module and a data analysis module, wherein the data analysis module is used for evaluating the smoothness of the tunnel according to the traffic flow in the tunnel, adjusting the speed limit of the tunnel according to the smoothness of the tunnel, generating a speed limit prompt and transmitting the speed limit prompt to the vehicle guiding module, the smoothness is in direct proportion to the speed limit of the tunnel, analyzing the distribution condition of vehicles in the tunnel according to the real-time position of the vehicles in the tunnel, generating a vehicle running suggestion according to the distribution condition of the vehicles in the tunnel and transmitting the vehicle running suggestion to the vehicle guiding module, and comparing the speed of the vehicles with the speed limit of the current tunnel, and if the speed of the vehicles exceeds the speed limit of the tunnel, generating the speed adjustment suggestion and transmitting the speed adjustment suggestion to the vehicle guiding module. The vehicle guiding module is used for receiving the speed limit prompt, the vehicle running proposal and the vehicle speed adjustment proposal transmitted by the data analysis module, and is also used for butting a voice system of the vehicle and performing voice broadcasting on the speed limit prompt, the vehicle running proposal and the vehicle speed adjustment proposal by utilizing the voice system of the vehicle. The tunnel monitoring system comprises a tunnel monitoring module, a tunnel prediction model, a tunnel early warning feedback module, a color depth