CN110738865A - Speed reduction prompting system and method for road tunnel entrance passing vehicles - Google Patents
Speed reduction prompting system and method for road tunnel entrance passing vehicles Download PDFInfo
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- CN110738865A CN110738865A CN201810800445.6A CN201810800445A CN110738865A CN 110738865 A CN110738865 A CN 110738865A CN 201810800445 A CN201810800445 A CN 201810800445A CN 110738865 A CN110738865 A CN 110738865A
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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
- G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
- G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
- G08G1/096766—Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission
- G08G1/096783—Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission where the origin of the information is a roadside individual element
Abstract
The embodiment of the invention discloses a speed reduction prompting system and method for vehicles passing through a highway tunnel entrance, wherein the system comprises a -th vehicle speed detector, a signal controller and a wireless communication device, the -th vehicle speed detector comprises a speed measurement sensor array, the speed measurement sensor array is arranged inside a tunnel and used for measuring the running speed of the vehicles passing through the tunnel, the signal controller is connected with the speed measurement sensor array and used for receiving the running speed measured by the speed measurement sensor in the speed measurement sensor array and determining the limit speed allowed to enter the tunnel according to the received running speed, the wireless communication device is connected with the signal controller and arranged outside the tunnel entrance and used for sending a wireless signal to establish communication connection with the vehicles to be driven into the tunnel and sending the limit speed to the vehicles to be driven into the tunnel.
Description
Technical Field
The invention relates to the technical field of traffic electronics, in particular to a speed reduction prompting system and method for vehicles passing through a road tunnel entrance.
Background
In general, a speed limit reminder is arranged in front of a tunnel entrance, and the limiting speed arranged like is fixed, so that vehicles need to run at a speed not higher than the limiting speed when passing through the tunnel.
In practice, it is found that due to poor light in the tunnel, even if an illuminating lamp is provided, the light difference between the inside and the outside of the tunnel is large, and for a driver who drives outside the tunnel for a long time, the driver can be visually limited to degrees within time of entering the tunnel, if the vehicle in the tunnel slows down due to more vehicles or an accident occurs in the tunnel, although the driver drives into the tunnel at the required limited speed, the driver is likely to collide with the vehicle ahead due to no time of braking, so that a traffic accident is caused, and in order to solve the problems, systems and methods for carrying out speed reduction reminding on the vehicle driving into the tunnel in a targeted and more intelligent mode are needed to be designed.
Disclosure of Invention
The embodiment of the invention provides speed reduction prompting systems and methods for vehicles passing through a road tunnel entrance, which can monitor the running speed of the vehicles passing through the tunnel in real time, dynamically adjust the limiting speed of the vehicles allowed to enter the tunnel according to the monitored running speed and timely inform the vehicles about the vehicles to enter the tunnel.
The th aspect of the embodiment of the invention provides speed reduction prompting systems for vehicles passing through a road tunnel entrance, which comprise:
the th vehicle speed detector is arranged inside the tunnel and used for measuring the running speed of a passing vehicle in the tunnel, wherein the th vehicle speed detector comprises a speed measurement sensor array formed by at least two speed measurement sensors;
the signal controller is connected with the speed measuring sensor array and used for receiving the running speed measured by the speed measuring sensors in the speed measuring sensor array and determining the limit speed allowed to enter the tunnel according to the received running speed;
and the wireless communication device is connected with the signal controller, is arranged outside the tunnel entrance, and is used for sending a wireless signal to establish communication connection with the vehicle to be driven into the tunnel and sending the speed limit to the vehicle to be driven into the tunnel.
As optional implementation manners, in the embodiment of the present invention, the signal controller is specifically configured to receive a driving speed measured by a tachometer sensor in the tachometer sensor array, determine whether the received driving speed is less than a preset speed, determine a speed limit for allowing to enter the tunnel according to the received driving speed if the received driving speed is less than the preset speed, and determine the preset speed as the speed limit for allowing to enter the tunnel if the received driving speed is greater than or equal to the preset speed.
As optional implementation manners, in the embodiment of the present invention, the signal controller is specifically configured to receive the driving speed measured by the speed sensor in the speed sensor array and the identification number of the speed sensor, acquire position information of the speed sensor according to the identification number, determine a horizontal distance between the speed sensor and the entrance of the tunnel by using the position information, and determine a limit speed allowed to enter the tunnel according to the measured driving speed and the horizontal distance.
As an alternative , in the embodiment of the present invention, the speed reduction prompting system for a vehicle passing through a tunnel portal further includes a second vehicle speed detector connected to the signal controller, the second vehicle speed detector is disposed outside the tunnel portal and has a horizontal distance L1 from the tunnel portal;
the second vehicle speed detector is used for measuring the running speed of a vehicle which is outside the tunnel and is about to run into the tunnel;
the signal controller is also used for detecting whether the running speed measured by the second vehicle speed detector is greater than the limit speed or not, and if so, sending th control instructions to the wireless communication device;
the wireless communication device is also used for sending overspeed reminding to overspeed vehicles which want to enter the tunnel according to the control instruction.
As optional implementation manners, in an embodiment of the present invention, the system for prompting deceleration of a vehicle passing through a tunnel portal further includes an image pickup device connected to the signal controller, the image pickup device is disposed outside the tunnel portal and has a horizontal distance L2 from the tunnel portal, wherein L1 is greater than L2;
the signal controller is further used for sending a second control instruction to the camera device when the fact that the running speed measured by the second vehicle speed detector is greater than the limit speed is detected;
the camera device is used for shooting overspeed vehicles which want to enter the tunnel according to the second control instruction;
and/or the deceleration prompting system applied to the tunnel entrance passing vehicle further comprises a vehicle identification receiver connected with the signal controller, wherein the vehicle identification receiver is arranged outside the tunnel entrance and has a horizontal distance L3 with the tunnel entrance, and L1 is larger than L3;
the signal controller is further used for sending a third control instruction to the vehicle identification receiver when the running speed measured by the second vehicle speed detector is detected to be greater than the limit speed;
and the vehicle identification receiver is used for acquiring the electronic identity information of the overspeed vehicle which is about to enter the tunnel according to the third control instruction.
The second aspect of the embodiment of the invention provides speed reduction prompting methods for vehicles passing through a road tunnel entrance, which comprise the following steps:
measuring the running speed of a passing vehicle in the tunnel by using an th vehicle speed detector arranged in the tunnel, wherein the th vehicle speed detector comprises a speed measurement sensor array consisting of at least two speed measurement sensors;
determining the limit speed allowed to enter the tunnel according to the running speed measured by the speed measuring sensor in the speed measuring sensor array;
and controlling a wireless communication device arranged outside the tunnel entrance to send out a wireless signal to establish communication connection with a vehicle to be driven into the tunnel, and sending the speed limit to the vehicle to be driven into the tunnel by using the wireless communication device.
As optional implementation manners, in the second aspect of the embodiment of the present invention, the determining, according to the driving speed measured by the tachometer sensor in the tachometer sensor array, a limit speed allowed to enter the tunnel includes:
judging whether the running speed measured by a speed measuring sensor in the speed measuring sensor array is less than a preset speed or not, and if so, determining the limit speed allowed to enter the tunnel according to the measured running speed; and if the preset speed is greater than or equal to the preset speed, determining the preset speed as the limiting speed for allowing the tunnel to enter.
As optional implementation manners, in the second aspect of the embodiment of the present invention, the determining, according to the driving speed measured by the tachometer sensor in the tachometer sensor array, a limit speed allowed to enter the tunnel includes:
the method comprises the steps of obtaining an identity number of a speed measuring sensor which measures the running speed in the speed measuring sensor array, determining position information of the speed measuring sensor according to the identity number, determining a horizontal distance between the speed measuring sensor and a tunnel entrance by utilizing the position information, and determining the limiting speed which is allowed to enter the tunnel according to the horizontal distance and the running speed measured by the speed measuring sensor.
As optional implementation manners, in the second aspect of the embodiment of the present invention, the method for prompting deceleration of a vehicle passing through a road tunnel entrance further includes:
measuring the driving speed of a vehicle which is outside the tunnel and is about to drive into the tunnel by using a second vehicle speed detector arranged outside the tunnel entrance, wherein the horizontal distance between the second vehicle speed detector and the tunnel entrance is L1;
and detecting whether the running speed measured by the second vehicle speed detector is greater than the limit speed or not, and if so, controlling the wireless communication device to send overspeed reminding to the overspeed vehicle which wants to enter the tunnel.
As optional implementation manners, in the second aspect of the embodiment of the present invention, the method for prompting deceleration of a vehicle passing through a road tunnel entrance further includes:
when the fact that the running speed measured by the second vehicle speed detector is larger than the limit speed is detected, controlling a camera device arranged outside a tunnel entrance to shoot an overspeed vehicle which wants to run into the tunnel, wherein the horizontal distance between the camera device and the tunnel entrance is L2, and the L1 is larger than the L2;
and/or when the running speed measured by the second vehicle speed detector is detected to be greater than the limit speed, acquiring the electronic identity information of an overspeed vehicle which wants to run into the tunnel by using a vehicle identification receiver arranged outside the tunnel entrance, wherein the horizontal distance between the vehicle identification receiver and the tunnel entrance is L3, and the L1 is greater than the L3.
According to the embodiments of the invention, the vehicle speed detector composed of a speed sensor array is arranged in the highway tunnel, the wireless communication device is arranged outside the tunnel entrance, the speed reduction prompting system of the passing vehicles at the highway tunnel entrance measures the running speed of the passing vehicles in the tunnel by using the speed sensor array included in the vehicle speed detector, and determines the limit speed allowed to enter the tunnel according to the running speed measured by the speed sensor array, and in step , the wireless communication device can be controlled to send out a wireless signal to establish communication connection with the vehicles to be driven into the tunnel, and after the connection is successful, the limit speed is sent to the vehicles to be driven into the tunnel through the wireless communication device.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a deceleration prompting system for vehicles passing through a road tunnel portal according to an embodiment of the invention;
fig. 2 is a schematic distribution diagram of types of tachometer sensor arrays disposed in a tunnel according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of another speed reduction prompting systems for vehicles passing through a road tunnel entrance according to an embodiment of the present invention;
fig. 4 is a schematic distribution diagram of components arranged outside a tunnel entrance in the speed reduction prompting system for vehicles passing through a road tunnel entrance illustrated in fig. 3 according to an embodiment of the present invention;
fig. 5 is a schematic flow chart of a deceleration prompting method for vehicles passing through a road tunnel portal according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only partial embodiments of of the present invention, rather than all embodiments.
It should be noted that the terms "comprises" and "comprising," and any variations thereof, of embodiments of the present invention are intended to cover non-exclusive inclusions, such that a process, method, system, article, or apparatus that comprises an series of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The embodiment of the invention provides speed reduction prompting systems and methods for vehicles passing through a road tunnel entrance, which can monitor the running speed of the vehicles passing through the tunnel in real time, dynamically adjust the limiting speed of the vehicles allowed to enter the tunnel according to the monitored running speed and timely inform the vehicles about to enter the tunnel.
Example
Referring to fig. 1, fig. 1 is a schematic structural diagram of a deceleration prompting system for road tunnel entrance passing vehicles according to an embodiment of the present invention, as shown in fig. 1, the deceleration prompting system for road tunnel entrance passing vehicles at least includes:
the speed detector 10 is arranged in the tunnel and used for measuring the running speed of a passing vehicle in the tunnel, wherein the speed detector 10 comprises a speed measurement sensor array formed by at least two speed measurement sensors;
the signal controller 20 is connected with the speed measurement sensor array and used for receiving the driving speed measured by the speed measurement sensors in the speed measurement sensor array and determining the limit speed allowed to enter the tunnel according to the received driving speed;
and the wireless communication device 30 is connected with the signal controller 20, is arranged outside the tunnel entrance, and is used for sending a wireless signal to establish communication connection with the vehicle to be driven into the tunnel and sending the limited speed to the vehicle to be driven into the tunnel.
The th vehicle speed detector 10 comprises a speed sensor array consisting of a plurality of speed sensors, wherein or speed sensors i in the speed sensor array can be arranged on the ground of a traffic lane in a tunnel, or can be arranged on two sides of the traffic lane in the tunnel, or can be arranged on the inner wall of the tunnel, optionally, when the speed sensors i are arranged on the ground of the traffic lane in the tunnel, the shells of the speed sensors i are partially or completely buried under the ground of the traffic lane, specifically, a groove can be formed on the ground of the traffic lane, the speed sensors i are arranged in the groove, or the shells of the speed sensors i are attached to the road surface of the traffic lane, the speed sensors i can have at least wireless and/or wired signal output interfaces, and the at least wireless and/or wired signal output interfaces are connected with the signal controller 20.
The speed sensor i can be used for sensing vehicles passing through a tunnel and can simultaneously measure the running speed of the vehicles, and particularly, when the vehicles enter the tunnel, the speed sensor i can sense the signal change of the sensor when passing through the sensor, so that the sensor can sense the passing of the vehicles.
Alternatively, the distance between any two adjacent tachometer sensors in the tachometer sensor array is the same, or the distance between two adjacent tachometer sensors in the tachometer sensor array is smaller the farther the sensor is from the tunnel entrance, or the distance between two adjacent tachometer sensors in the tachometer sensor array is larger the farther the sensor is from the tunnel entrance, specifically, the distance between any two adjacent tachometer sensors in the tachometer sensor array is equal or different from each other, or, for example, the distance between any two adjacent tachometer sensors in the tachometer sensor array may be 3 meters, 5 meters, 7.5 meters, 10 meters or other values.
As shown in the example of FIG. 2, a speed sensor array is arranged on the ground of a traffic lane in a tunnel, each speed sensor can be arranged in the middle of the traffic lane, and the distance between two adjacent speed sensors is the same, of course, the distance between two adjacent speed sensors can also be partially the same or arranged in a certain rule, only traffic lanes are shown in FIG. 2, more than traffic lanes can also be arranged in the tunnel, and when there are multiple traffic lanes, the speed sensor array can be arranged in the same or similar way as in FIG. 2 for each traffic lane.
In practice, the tunnel entrance may be arcuate, trapezoidal, square or other regular or irregular shape, without limitation, and the shape of the tunnel interior may be the same or similar to the shape of the tunnel entrance. The tunnel according to the embodiment of the present invention may be a tunnel on an expressway, or may also be a tunnel on an urban road or a suburban road, which is not limited herein.
, the vehicle speed detector 10 includes a speed sensor array, wherein the speed sensor array is connected to the signal controller 20 by wireless and/or wired means, the signal controller 20 is also connected to the wireless communication device 30 by wireless and/or wired means, when the speed sensor array senses the vehicle and obtains the driving speed of the vehicle, the speed sensor array feeds back the driving speed measured by itself to the signal controller 20. the signal controller 20 can determine the limit speed allowed to enter the tunnel according to the received driving speed, and can control the wireless communication device 30 to send out a wireless signal, when there is a vehicle to be driven into the tunnel outside the tunnel entrance, the wireless communication device 30 establishes a communication connection with the vehicle to be driven into the tunnel by a wireless signal, specifically, the wireless communication device 30 can send out a wireless signal, so that a vehicle terminal installed on the vehicle to be driven into the tunnel receives the wireless signal and establishes a connection, or a vehicle terminal installed on the vehicle to be driven into the tunnel sends out a wireless signal, the wireless communication device 30 receives and analyzes the wireless signal to establish a connection with the vehicle to be driven into the tunnel and establish a connection with the vehicle to be driven into the tunnel, when the tunnel, the vehicle is likely to be driven into the tunnel, the wireless communication device 30 can send out a wireless communication signal, and the wireless communication device 30 can also include a wireless signal indicating that the wireless communication signal that the vehicle speed limit speed of the vehicle is not limited by the wireless communication device 30, and the wireless communication device is not limited by the wireless communication device 30, and the wireless communication is not limited by the wireless communication device 30, and the wireless communication device can be set up to the wireless communication when the wireless communication of the wireless communication device such as the wireless communication device 30, and the wireless communication device can be used for the wireless communication device can be set up to the wireless communication when the wireless communication device 30, and the wireless communication when the wireless communication device can be set up to the wireless communication device such as the wireless communication device 30, and the wireless communication when the wireless communication of the wireless communication when the wireless communication device can be used for the wireless communication device 30, the wireless communication when the wireless communication device 30, the wireless communication device can be set up.
the vehicle speed detector 10, the signal controller 20 and the wireless communication device 30 can be powered by the power supply device 40 to provide the required power for maintaining the normal operation of each device, wherein the power supply device 40 can be a power grid, a power station, a power box, a storage battery, etc.
Optionally, the signal controller 20 may be specifically configured to receive a driving speed measured by a speed measurement sensor in the speed measurement sensor array, determine whether the received driving speed is less than a preset speed, and if so, determine a speed limit allowed to enter the tunnel according to the received driving speed; if the speed is greater than or equal to the preset speed, the preset speed is determined as a limit speed for allowing the tunnel to enter.
The signal controller 20 compares the received driving speed with the preset speed, and when the driving speed of the vehicle in the tunnel is lower than the preset speed, the signal controller 20 may determine the limited speed for allowing the vehicle to enter the tunnel according to the received driving speed, specifically, when only vehicles pass in time period in the tunnel, the signal controller 20 may determine the driving speed of the vehicle as the limited speed, when a plurality of vehicles pass in time period in the tunnel, the driving speed may be measured by a plurality of speed sensors in the speed sensor array, after the signal controller 20 receives the driving speeds, the limited speed may be determined according to an average value of the calculated driving speeds, or a minimum value of the driving speeds may be determined as the limited speed, or a middle value of the driving speeds may be determined as the limited speed, etc., and when the driving speed of the vehicle in the tunnel is higher than the preset speed, the image pickup device may determine whether the image pickup device is capable of picking up the image of the vehicle in the tunnel, and the image pickup device may further determine whether the image pickup device is capable of picking up the image pickup device to obtain the image of the image pickup device by capturing the image of the image pickup device before the image pickup device, and the image pickup device for.
Optionally, the signal controller 20 may be specifically configured to receive a driving speed measured by a speed sensor in the speed sensor array and an identification number of the speed sensor, acquire position information of the speed sensor according to the identification number, determine a horizontal distance between the speed sensor and the tunnel entrance by using the position information, and determine a limiting speed allowed to enter the tunnel according to the measured driving speed and the horizontal distance.
The method includes the steps of storing position information of a speed sensor in a speed sensor array, feeding back position information of the speed sensor when the speed sensor is installed, so that the signal controller 20 can determine a horizontal distance between the speed sensor and a tunnel entrance according to the received position information, feeding back an identification number of the speed sensor and corresponding position information of the speed sensor to the signal controller 20, determining an identification number of the speed sensor according to the received identification number when the speed sensor feeds back the measured driving speed to the signal controller 20, and determining a horizontal distance between the speed sensor and the tunnel entrance when the speed sensor feeds back the measured driving speed to the signal controller 20, wherein the signal controller 20 determines an identification number of the speed sensor according to the received identification number and obtains the position information of the speed sensor from the prestored position information of the speed sensor, so that the horizontal distance between the speed sensor and the tunnel entrance is determined, , determining a limited speed allowing the vehicle to enter the tunnel by combining the driving speed of the speed sensor and the horizontal distance between the speed sensor and the tunnel entrance when the measured speed sensor and the vehicle enter the tunnel entrance are closer, the vehicle can enter the tunnel, the limited speed sensor can be smaller, and the limited speed sensor can be smaller than when the speed sensor and the vehicle enters the speed sensor is the tunnel entrance, the limited by the limited distance between the tunnel entrance.
Optionally, the speed reduction prompting system for vehicles passing through the road tunnel entrance may further include a second vehicle speed detector 50, as shown in fig. 3. Wherein, the second vehicle speed detecting instrument 50 is connected to the signal controller 20, the second vehicle speed detecting instrument 50 is disposed outside the tunnel entrance, and the horizontal distance from the tunnel entrance is L1, as shown in fig. 4;
a second vehicle speed detector 50 for measuring a traveling speed of a vehicle outside the tunnel to be driven into the tunnel;
the signal controller 20 may be further configured to detect whether the driving speed measured by the second vehicle speed detector 50 is greater than the limit speed, and if so, send th control instructions to the wireless communication device 30;
the wireless communication device 30 can also be used for sending overspeed reminding to overspeed vehicles which want to enter the tunnel according to the control instruction.
When the speed measuring sensor is arranged on the ground of the traffic lane, the shell of the speed measuring sensor can be partially or completely buried under the ground of the traffic lane, or the shell of the speed measuring sensor is attached to the road surface of the traffic lane, when the number of the traffic lanes outside the tunnel entrance is not more than , the second speed detector 50 can be arranged on each traffic lane, the second speed detector 50 can be powered by the power supply device 40 to maintain the normal operation of the second speed detector 50, in particular, the second speed detector 50 monitors the driving speed of the vehicle to be driven into the tunnel and feeds the driving speed back to the signal controller 20, the signal controller 20 compares the driving speed with the limit speed, when the driving speed exceeds the limit speed, the signal controller 20 sends a second speed control command to the wireless communication device 30 to prompt the wireless communication device to send a speed control prompt command to the wireless communication device to prompt the vehicle to drive into the tunnel, and send a prompt that the vehicle to be driven into the tunnel according to the current speed control command .
Optionally, the speed reduction prompting system for vehicles passing through the road tunnel entrance shown in fig. 3 may further include a camera 60 connected to the signal controller 20, where the camera 60 is disposed outside the tunnel entrance and has a horizontal distance L2 from the tunnel entrance, where L1 is greater than L2, as shown in fig. 4;
the signal controller 20 may be further configured to send a second control command to the image pickup device 60 when it is detected that the traveling speed measured by the second vehicle speed detector 50 is greater than the limit speed;
the camera device 60 is used for shooting the overspeed vehicle which is about to enter the tunnel according to the second control instruction;
and/or, the speed reduction prompting system for vehicles passing through the road tunnel entrance shown in fig. 3 may further include a vehicle identifier receiver 70 connected to the signal controller 20, where the vehicle identifier receiver 70 is disposed outside the tunnel entrance and is at a horizontal distance L3 from the tunnel entrance, where L1 is greater than L3, as shown in fig. 4;
the signal controller 20 may be further configured to send a third control command to the vehicle identification receiver 70 when it is detected that the traveling speed measured by the second vehicle speed detector 50 is greater than the limit speed;
and a vehicle identifier receiver 70 for obtaining the electronic identity information of the speeding vehicle which is about to enter the tunnel according to the third control instruction.
The image capturing device 60 may be disposed at more than , the image capturing device 60 may be disposed on an outer wall of a tunnel entrance, or may be disposed at an edge or both edges of a driving lane outside the tunnel entrance, or may be disposed in the air through a bracket, and the like, the image capturing device 60 may be powered by the power supply device 40 to maintain a normal operation of the image capturing device 60, specifically, the second vehicle speed detector 50 monitors a driving speed of a vehicle to be driven into the tunnel and feeds the driving speed back to the signal controller 20, the signal controller 20 compares the driving speed with a limit speed, and when the driving speed exceeds the limit speed, the signal controller 20 sends a second control command to the image capturing device 60 to enable the image capturing device 60 to capture and verify the overspeed vehicle to be driven into the tunnel, to provide a factual picture basis for later vehicle capture, and the signal controller 20 may also read information of the overspeed vehicle from a picture or video captured by the image capturing device 60, such as a license plate number, a driving position, a driving speed of the vehicle to be driven into the tunnel, to preferably, to be more fully provided to the image capturing device 60, such as the image capturing device 60, and the image capturing device 60 for the second vehicle to be more preferably, such as a car speed capturing device 50.
At least Vehicle Identification receivers 70 may be provided, each lane outside the tunnel entrance may correspond to Vehicle Identification receivers 70, the Vehicle Identification receivers 70 may be provided on the ground of the lane outside the tunnel entrance, and the Vehicle Identification receivers 70 may be partially or completely buried under the road surface of the lane, or the Vehicle Identification receivers 70 may be attached to the road surface of the lane, or the Vehicle Identification receivers 70 may be provided on both sides of the lane outside the tunnel entrance, or the Vehicle Identification receivers 70 may be provided in the air outside the tunnel entrance or on the outer wall of the tunnel by a support bracket, the Vehicle Identification receivers 70 may be connected to the power supply device 40 to obtain the electric energy required for maintaining normal operation of the Vehicle, and in particular, the second Vehicle Identification detector 50 monitors the driving speed of the Vehicle to be driven into the tunnel and feeds back the driving speed to the signal controller 20, the signal controller 20 compares the driving speed with the limit speed, and when the driving speed exceeds the limit speed, the signal controller 20 sends a third control command to the Vehicle Identification receiver 70 to make the Vehicle Identification receivers 70 obtain the driving speed information of the Vehicle to be compared with the limit speed, and when the Vehicle Identification receiver obtains the Vehicle Identification information of the Vehicle Identification receiver, such as the Vehicle Identification receiver may be able to obtain the Vehicle Identification information of the Vehicle Identification receiver, and the Vehicle Identification receiver may be able to obtain the Vehicle Identification receiver by a Vehicle Identification receiver 3670 according to obtain the Vehicle Identification information of the Vehicle Identification receiver, such as the Vehicle Identification receiver identity of the Vehicle Identification receiver 3670, the Vehicle Identification receiver may be able to obtain the Vehicle Identification information of the Vehicle Identification receiver may be obtained by a Vehicle Identification receiver according to obtain the Vehicle Identification receiver, the Vehicle Identification receiver may be obtained by a Vehicle Identification receiver may be provided in time.
Optionally, the speed reduction prompting system for vehicles passing through the road tunnel entrance may further include an information display device 80, wherein the information display device 80 is connected to the signal controller 20, as shown in fig. 4, the information display device 80 is disposed outside the tunnel entrance, and is configured to output and display speed reduction prompts to vehicles that want to enter the tunnel in a text and/or graphic manner.
Specifically, when a speed sensor in a speed sensor array included in the -th vehicle speed detector 10 senses a vehicle and obtains a driving speed of the vehicle, the speed sensor feeds back the measured driving speed to the signal controller 20, the signal controller 20 may determine a speed limit allowed to enter the tunnel according to the received driving speed, and may control the information display device 80 to output a speed reduction reminder including the speed limit in a text and/or graphic manner, so that a driver of the vehicle about to enter the tunnel may directly see the speed reduction reminder, the information display device 80 may be provided with a display screen on which a protective cover is provided, the speed reduction reminder may be transmitted through the protective cover to be recognized by a driver of the vehicle, that is, the driver of the vehicle about to enter the tunnel may display a ground glass display screen on which the protective cover is provided, and the protective cover may display a ground glass display screen for displaying a ground glass display, or a ground glass display screen for displaying a ground glass display, which may display a ground glass display screen for displaying a ground glass display, which may be used for displaying a ground glass display screen for displaying a ground glass for preventing a ground glass from breaking when a ground glass vehicle, or a ground glass display screen for displaying a ground glass for preventing a ground glass from breaking accident.
The speed reduction prompting system for the vehicles passing through the road tunnel entrance provided by the embodiment of the invention measures the running speed of the vehicles passing through the tunnel in real time through a speed measurement sensor array included in a vehicle speed detector arranged in the tunnel, feeds the measured running speed back to a signal controller, determines the limited speed of entering the tunnel according to the received running speed, and sends a speed reduction prompt containing the limited speed to the vehicles going into the tunnel through a wireless communication device after the connection is successful, so that the running speed of the vehicles going into the road tunnel can be intelligently monitored in real time, the limited speed allowing the vehicles to enter the tunnel is dynamically adjusted according to the monitored running speed, the limited speed is timely sent to the vehicles going into the tunnel through the wireless communication device, a driver of the vehicles going into the tunnel can be informed, the vehicle can be prevented from running in advance due to the fact that the vehicles run on the front of the tunnel at an excessive speed, a second camera device can be used for monitoring the running speed of the vehicles in the tunnel, and a second vehicle speed monitoring device can be used for monitoring the running speed of the vehicles in the tunnel.
Example two
Referring to fig. 5, fig. 5 is a schematic flow chart of a deceleration prompting method for road tunnel entrance passing vehicles according to an embodiment of the present invention, where the deceleration prompting method for road tunnel entrance passing vehicles can be applied to the deceleration prompting system for road tunnel entrance passing vehicles described in the above-mentioned embodiment , as shown in fig. 5, the deceleration prompting method for road tunnel entrance passing vehicles may include the following steps:
510. the running speed of a passing vehicle in the tunnel is measured by using an th vehicle speed detector 10 arranged in the tunnel, wherein the th vehicle speed detector 10 comprises a speed measurement sensor array formed by at least two speed measurement sensors.
The vehicle speed detector 10 may include speed sensors in a speed sensor array that are disposed on the ground of a traffic lane in a tunnel, or may be disposed on both sides of the traffic lane in the tunnel, or may be disposed on an inner wall of the tunnel, and optionally, the distance between any two adjacent speed sensors in the speed sensor array is the same, or the distance between two adjacent speed sensors in the speed sensor array is smaller as the distance from an entrance of the tunnel is farther, or the distance between two adjacent speed sensors in the speed sensor array is larger as the distance from the entrance of the tunnel is farther.
520. And determining the limit speed allowed to enter the tunnel according to the running speed measured by the speed measuring sensor in the speed measuring sensor array.
The speed limit is the maximum critical speed allowed by the vehicle to pass through the tunnel, and when the vehicle runs in the tunnel at a speed higher than the speed limit, an accident that the vehicle runs fast and hits a front vehicle is likely to occur.
530. And controlling a wireless communication device 30 arranged outside the tunnel entrance to send a wireless signal to establish communication connection with the vehicle which wants to enter the tunnel, and sending the speed limit to the vehicle which wants to enter the tunnel by using the wireless communication device 30.
The wireless communication device 30 may be disposed at or on sides of a traffic lane outside a tunnel entrance, on an outer wall of the tunnel entrance, on a ground of the traffic lane outside the tunnel entrance, or in the air outside the tunnel entrance via a support frame, or the like, the wireless communication device 30 may transmit a wireless signal so that a vehicle-mounted terminal installed on a vehicle to be driven into the tunnel receives the wireless signal and establishes a connection, where the wireless signal transmitted by the wireless communication device 30 may include, but is not limited to, at least of a radio frequency signal, a microwave signal, an infrared signal, and a Light Fidelity (LiFi) signal, or may also include other wireless communication signals capable of achieving vehicle-road interaction, and is not limited herein.
Optionally, the specific implementation of determining the limit speed allowed to enter the tunnel according to the driving speed measured by the speed measurement sensor in the speed measurement sensor array in step 520 may include the following steps:
51) judging whether the running speed measured by a speed measuring sensor in the speed measuring sensor array is smaller than a preset speed or not, and if so, determining the limit speed allowed to enter the tunnel according to the measured running speed; if the speed is greater than or equal to the preset speed, the preset speed is determined as a limit speed for allowing the tunnel to enter.
When only vehicles pass in periods of the tunnel and the driving speeds of the vehicles measured by the speed measurement sensor are lower than the preset speed, the driving speeds of the vehicles can be determined as limit speeds, when a plurality of vehicles pass in periods of the tunnel and the driving speeds of the vehicles are lower than the preset speed, the limit speeds can be determined according to the average value of the driving speeds, the minimum value of the driving speeds can be determined as the limit speed, the middle value of the driving speeds can be determined as the limit speed and the like, wherein the limit speed is not limited, and when the driving speeds of the vehicles in the tunnel are higher than the preset speed, the vehicles can be considered to be overspeed, and the preset speed can be determined as the limit speed.
Optionally, when the step 51) is executed to determine that the measured driving speed is greater than the preset speed, the speed reduction prompting method for vehicles passing through the road tunnel entrance depicted in fig. 5 may further include the following steps:
52) the method comprises the step of shooting overspeed vehicles in the tunnel by utilizing an image pickup device arranged in the tunnel.
The system comprises a tunnel, a plurality of camera devices and a plurality of image processing devices, wherein more than camera devices can be arranged in the tunnel, the number of the camera devices can be determined according to the length of the tunnel, the longer the tunnel is, the more the corresponding camera devices can be arranged, the camera devices can be arranged on the inner wall of the tunnel and can also be arranged on two sides of a traffic lane in the tunnel, and the like.
Optionally, the specific implementation of determining the limit speed allowed to enter the tunnel according to the driving speed measured by the speed measurement sensor in the speed measurement sensor array in step 520 may include the following steps:
53) the method comprises the steps of obtaining an identity number of a speed measuring sensor which measures the running speed in a speed measuring sensor array, determining position information of the speed measuring sensor according to the identity number, determining a horizontal distance between the speed measuring sensor and a tunnel entrance by utilizing the position information, and determining the limit speed allowed to enter the tunnel according to the horizontal distance and the running speed measured by the speed measuring sensor.
The method comprises the steps of feeding back an identity number of each speed measuring sensor when the speed measuring sensor feeds back a measured driving speed, determining the identity of the speed measuring sensor according to the identity number, and obtaining the position information of the speed measuring sensor from the prestored position information of each speed measuring sensor so as to determine the horizontal distance between the speed measuring sensor and a tunnel entrance, wherein the position information of the speed measuring sensor can comprise but is not limited to a driving lane where the speed measuring sensor is located, specific position points (such as longitude and latitude) on the driving lane, the horizontal distance reaching the tunnel entrance, the horizontal distance reaching the tunnel exit and the like.
Optionally, the speed reduction prompting method for vehicles passing through the road tunnel entrance described in fig. 5 may further include the following steps:
54) measuring the driving speed of a vehicle which is outside the tunnel and is about to drive into the tunnel by using a second vehicle speed detector 50 arranged outside the tunnel entrance, wherein the horizontal distance between the second vehicle speed detector 50 and the tunnel entrance is L1;
55) and detecting whether the running speed measured by the second vehicle speed detector 50 is greater than the limit speed or not, and if so, controlling the wireless communication device 30 to send overspeed reminding to the overspeed vehicle which wants to run into the tunnel.
When the running speed of the vehicle to be driven into the tunnel exceeds the limit speed, the overspeed reminding is sent to the overspeed vehicle to be driven into the tunnel through the wireless communication device 30, and the overspeed vehicle to be driven into the tunnel is reminded that the current speed of the overspeed vehicle to be driven into the tunnel is too high and needs to be decelerated.
Optionally, after the step 55) is executed, the method for prompting speed reduction of a vehicle passing through a road tunnel entrance depicted in fig. 5 may further include the following steps:
56) when the driving speed measured by the second vehicle speed detector 50 is detected to be greater than the limit speed, controlling a camera device 60 arranged outside the tunnel entrance to shoot the overspeed vehicle which wants to drive into the tunnel, wherein the horizontal distance between the camera device 60 and the tunnel entrance is L2, and L1 is greater than L2; and/or the presence of a gas in the gas,
57) when it is detected that the driving speed measured by the second vehicle speed detector 50 is greater than the limit speed, the electronic identity information of the speeding vehicle about to enter the tunnel is acquired by using the vehicle identification receiver 70 arranged outside the tunnel entrance, wherein the horizontal distance between the vehicle identification receiver 70 and the tunnel entrance is L3, and L1 is greater than L3.
The number of the vehicle identification receivers 70 can be more than , can be arranged on the ground of the lane outside the tunnel entrance, or can be arranged on two sides of the lane outside the tunnel entrance, or can be arranged on the air outside the tunnel entrance or on the outer wall of the tunnel through a support frame, when the driving speed of the vehicle to be driven into the tunnel exceeds the limit speed, the image of the overspeed vehicle to be driven into the tunnel can be shot and verified through the image shooting device 60, and the fact picture basis can be provided for later verification.
Optionally, the speed reduction prompting method for vehicles passing through the road tunnel entrance described in fig. 5 may further include the following steps:
58) and outputting and displaying the speed reduction reminding in a text and/or graphic mode by using an information display device 80 arranged outside the tunnel entrance.
The information display devices 80 can be arranged at more than , the information display devices 80 can be arranged at the side or two sides of a traffic lane outside a tunnel entrance, can also be arranged on the ground of the traffic lane outside the tunnel entrance, can also be arranged on the outer wall of the tunnel entrance, can also be arranged in the air through a bracket, and the like, the information display devices 80 are arranged outside the tunnel entrance to display the deceleration reminding, so that a driver of a vehicle which wants to drive into the tunnel can master the speed limit condition of the tunnel through steps, and accidents caused by the fact that the vehicle in front of the tunnel is collided due to the fact that a vehicle-mounted terminal on the vehicle is damaged or closed and the deceleration reminding is not received in time are prevented.
It can be seen that in the embodiments of the present invention, the th vehicle speed detector composed of a speed sensor array is disposed inside the highway tunnel, the wireless communication device is disposed outside the tunnel entrance, the deceleration prompting system of the passing vehicles at the highway tunnel entrance measures the traveling speed of the passing vehicles in the tunnel by using the speed sensor array included in the th vehicle speed detector, and determines the restricted speed allowed to enter the tunnel according to the traveling speed measured by the speed sensor in the speed sensor array, and then steps can control the wireless communication device to send a wireless signal to establish communication connection with the vehicle to be driven into the tunnel, and after the connection is successful, the restricted speed is sent to the vehicle to be driven into the tunnel by the wireless communication device.
It should be noted that, for the sake of simplicity, the aforementioned method embodiments are all expressed as series of action combinations, but those skilled in the art should understand that the present invention is not limited by the described action sequence, because some steps can be performed in other sequences or simultaneously according to the present application.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
The steps in the method of the embodiment of the invention can be sequentially adjusted, combined and deleted according to actual needs.
The functional modules in the system of the embodiment of the invention can be merged, divided and deleted according to actual needs.
It will be understood by those skilled in the art that all or part of the steps in the methods of the above embodiments may be implemented by instructions associated with a program, which may be stored in computer-readable storage media including Read-Only Memory (ROM), Random Access Memory (RAM), Programmable Read-Only Memory (PROM), Erasable Programmable Read-Only Memory (EPROM), time Programmable Read-Only Memory (OTPROM), Electrically Erasable Programmable Read-Only Memory (EEPROM), compact disc Read-Only Memory (CD-ROM) or other Memory capable of storing data, magnetic tape, or any other computer-readable medium capable of carrying data.
The deceleration prompting system and method for vehicles passing through the road tunnel portal disclosed in the embodiment of the invention are described in detail above, and the principle and the implementation of the invention are explained in the present application by applying specific examples, and the description of the above embodiments is only used to help understanding the method and the core idea of the invention, meanwhile, for persons in the field, there are changes in the specific implementation and the application scope according to the idea of the invention, and in conclusion, the content of the present description should not be construed as a limitation to the invention.
Claims (10)
1, kind of highway tunnel portal traffic vehicle's deceleration reminder system, its characterized in that includes:
the th vehicle speed detector is arranged inside the tunnel and used for measuring the running speed of a passing vehicle in the tunnel, wherein the th vehicle speed detector comprises a speed measurement sensor array formed by at least two speed measurement sensors;
the signal controller is connected with the speed measuring sensor array and used for receiving the running speed measured by the speed measuring sensors in the speed measuring sensor array and determining the limit speed allowed to enter the tunnel according to the received running speed;
and the wireless communication device is connected with the signal controller, is arranged outside the tunnel entrance, and is used for sending a wireless signal to establish communication connection with the vehicle to be driven into the tunnel and sending the speed limit to the vehicle to be driven into the tunnel.
2. The system for prompting deceleration of a vehicle passing through a road tunnel entrance according to claim 1, wherein the signal controller is specifically configured to receive a driving speed measured by a speed measurement sensor in the speed measurement sensor array, determine whether the received driving speed is less than a preset speed, and if so, determine a speed limit for allowing entry into the tunnel according to the received driving speed; and if the preset speed is greater than or equal to the preset speed, determining the preset speed as the limiting speed for allowing the tunnel to enter.
3. The system for prompting deceleration of a vehicle passing through a road tunnel entrance according to claim 1, wherein the signal controller is specifically configured to receive a driving speed measured by a speed sensor in the speed sensor array and an identification number of the speed sensor, obtain position information of the speed sensor according to the identification number, determine a horizontal distance between the speed sensor and a tunnel entrance by using the position information, and determine a limiting speed allowed to enter the tunnel according to the measured driving speed and the horizontal distance.
4. The system for prompting deceleration of a vehicle passing through a road tunnel entrance according to any of claims 1-3, further comprising a second vehicle speed detector connected to the signal controller, wherein the second vehicle speed detector is disposed outside the tunnel entrance and is at a horizontal distance L1 from the tunnel entrance;
the second vehicle speed detector is used for measuring the running speed of a vehicle which is outside the tunnel and is about to run into the tunnel;
the signal controller is also used for detecting whether the running speed measured by the second vehicle speed detector is greater than the limit speed or not, and if so, sending th control instructions to the wireless communication device;
the wireless communication device is also used for sending overspeed reminding to overspeed vehicles which want to enter the tunnel according to the control instruction.
5. The system for prompting deceleration of a vehicle passing through a tunnel portal according to claim 4, further comprising a camera device connected to the signal controller, wherein the camera device is disposed outside the tunnel portal and at a horizontal distance L2 from the tunnel portal, and wherein L1 is greater than L2;
the signal controller is further used for sending a second control instruction to the camera device when the fact that the running speed measured by the second vehicle speed detector is greater than the limit speed is detected;
the camera device is used for shooting overspeed vehicles which want to enter the tunnel according to the second control instruction;
and/or, further comprising a vehicle identification receiver connected with the signal controller, wherein the vehicle identification receiver is arranged outside the tunnel entrance and is at a horizontal distance L3 from the tunnel entrance, and the L1 is greater than the L3;
the signal controller is further used for sending a third control instruction to the vehicle identification receiver when the running speed measured by the second vehicle speed detector is detected to be greater than the limit speed;
and the vehicle identification receiver is used for acquiring the electronic identity information of the overspeed vehicle which is about to enter the tunnel according to the third control instruction.
6, speed reduction prompting method of road tunnel entrance passing vehicles, characterized by comprising:
measuring the running speed of a passing vehicle in the tunnel by using an th vehicle speed detector arranged in the tunnel, wherein the th vehicle speed detector comprises a speed measurement sensor array consisting of at least two speed measurement sensors;
determining the limit speed allowed to enter the tunnel according to the running speed measured by the speed measuring sensor in the speed measuring sensor array;
and controlling a wireless communication device arranged outside the tunnel entrance to send out a wireless signal to establish communication connection with a vehicle to be driven into the tunnel, and sending the speed limit to the vehicle to be driven into the tunnel by using the wireless communication device.
7. The method for prompting deceleration of a vehicle passing through a road tunnel entrance according to claim 6, wherein the determining the speed limit allowed to enter the tunnel according to the driving speed measured by the tachometer sensor in the tachometer sensor array comprises:
judging whether the running speed measured by a speed measuring sensor in the speed measuring sensor array is less than a preset speed or not, and if so, determining the limit speed allowed to enter the tunnel according to the measured running speed; and if the preset speed is greater than or equal to the preset speed, determining the preset speed as the limiting speed for allowing the tunnel to enter.
8. The method for prompting deceleration of a vehicle passing through a road tunnel entrance according to claim 6, wherein the determining the speed limit allowed to enter the tunnel according to the driving speed measured by the tachometer sensor in the tachometer sensor array comprises:
the method comprises the steps of obtaining an identity number of a speed measuring sensor which measures the running speed in the speed measuring sensor array, determining position information of the speed measuring sensor according to the identity number, determining a horizontal distance between the speed measuring sensor and a tunnel entrance by utilizing the position information, and determining the limiting speed which is allowed to enter the tunnel according to the horizontal distance and the running speed measured by the speed measuring sensor.
9. The method for prompting a deceleration of a road tunnel portal passing vehicle according to any of claims 6-8, further comprising:
measuring the driving speed of a vehicle which is outside the tunnel and is about to drive into the tunnel by using a second vehicle speed detector arranged outside the tunnel entrance, wherein the horizontal distance between the second vehicle speed detector and the tunnel entrance is L1;
and detecting whether the running speed measured by the second vehicle speed detector is greater than the limit speed or not, and if so, controlling the wireless communication device to send overspeed reminding to the overspeed vehicle which wants to enter the tunnel.
10. The method for prompting deceleration of a vehicle passing through a road tunnel portal according to claim 9, further comprising:
when the fact that the running speed measured by the second vehicle speed detector is larger than the limit speed is detected, controlling a camera device arranged outside a tunnel entrance to shoot an overspeed vehicle which wants to run into the tunnel, wherein the horizontal distance between the camera device and the tunnel entrance is L2, and the L1 is larger than the L2;
and/or when the running speed measured by the second vehicle speed detector is detected to be greater than the limit speed, acquiring the electronic identity information of an overspeed vehicle which wants to run into the tunnel by using a vehicle identification receiver arranged outside the tunnel entrance, wherein the horizontal distance between the vehicle identification receiver and the tunnel entrance is L3, and the L1 is greater than the L3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810800445.6A CN110738865A (en) | 2018-07-20 | 2018-07-20 | Speed reduction prompting system and method for road tunnel entrance passing vehicles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810800445.6A CN110738865A (en) | 2018-07-20 | 2018-07-20 | Speed reduction prompting system and method for road tunnel entrance passing vehicles |
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| CN110738865A true CN110738865A (en) | 2020-01-31 |
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| CN201810800445.6A Withdrawn CN110738865A (en) | 2018-07-20 | 2018-07-20 | Speed reduction prompting system and method for road tunnel entrance passing vehicles |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113345232A (en) * | 2021-06-02 | 2021-09-03 | 北京振兴计量测试研究所 | Tunnel safe passing speed prediction system and method |
| CN113593257A (en) * | 2021-07-19 | 2021-11-02 | 山东仁智信息工程有限公司 | Speed limiting method for vehicles on highway |
| 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 |
| CN115131964A (en) * | 2022-06-23 | 2022-09-30 | 重庆交通大学 | Tunnel traffic flow sensing system |
| US11767757B2 (en) * | 2018-02-15 | 2023-09-26 | Electricwaze LLC | Roadway conduit systems and methods |
-
2018
- 2018-07-20 CN CN201810800445.6A patent/CN110738865A/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11767757B2 (en) * | 2018-02-15 | 2023-09-26 | Electricwaze LLC | Roadway conduit systems and methods |
| CN113345232A (en) * | 2021-06-02 | 2021-09-03 | 北京振兴计量测试研究所 | Tunnel safe passing speed prediction system and method |
| 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 |
| CN113593257A (en) * | 2021-07-19 | 2021-11-02 | 山东仁智信息工程有限公司 | Speed limiting method for vehicles on highway |
| CN115131964A (en) * | 2022-06-23 | 2022-09-30 | 重庆交通大学 | Tunnel traffic flow sensing system |
| CN115131964B (en) * | 2022-06-23 | 2024-02-20 | 重庆交通大学 | Tunnel traffic flow sensing system |
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Application publication date: 20200131 |