CN111627228B - Expressway confluence point lane lamp control system and method - Google Patents

Abstract

The invention provides a control system and a method for a highway confluence point lane lamp, wherein the system comprises: the first stop line is arranged at the downstream of the confluence road section of the express way, and a first lane lamp is arranged in front of the first stop line; the express way includes: the second lane comprises a shunting section and a converging section, the driving-in ramp is intersected with the second lane at the converging section, and the driving-out ramp is connected with the second lane at the shunting section; the second stop line is arranged at the joint of the driving ramp and the shunting road section, and a second lane lamp is arranged in front of the second stop line; the radar video tracking detection device is arranged on the express way and the drive-in ramp and is used for acquiring the driving information of the motor vehicle; and the lane lamp control device is in communication connection with the radar video tracking detection device and is used for controlling the first lane lamp and/or the second lane lamp according to the driving information collected by the radar video tracking detection device.

Description

Expressway confluence point lane lamp control system and method

Technical Field

The invention relates to the field of intelligent traffic control, in particular to a control system and a control method for a merging point lane lamp of an expressway.

Background

The confluence point and the diversion point of the expressway are sources causing the periodical congestion of the expressway, and how to accurately and effectively reduce the duration time of the congestion source caused by the confluence point is a world problem.

The problem of expressway congestion at peak periods generally exists in large cities at home and abroad, generally, the expressway is not controlled by signal lamps, and the problem of traffic jam should not exist, but on the contrary, vehicles do not pass smoothly at the peak periods, for example, Beijing, the expressway from two rings to five rings at the peak periods has very serious traffic congestion, most congestion sources occur at confluence points or shunting points through research and exchange data analysis, the management concept of dynamic confluence and orderly shunting once provided by the first inventor needs drivers to have higher quality to be implemented, and especially when the flow reaches a certain degree, the management effect of the concept cannot be played.

Most of the existing related technologies limit the flow of the ramp entering the main road, and ensure the efficiency of the main road to be maximized, so that the traffic flow continuing to advance on the main road, the traffic flow driving out of the main flow and the traffic flow driving into the ramp are intersected, thereby causing the traffic flow of the whole cross section of the main road to collide with the vehicles driving into the ramp in a peak time period, the speed of an intersection point is reduced, and the smoothness of the traffic flow of the main road is influenced.

Disclosure of Invention

Therefore, the technical problem to be solved by the present invention is to overcome the defects that only the flow of the ramp entering the main road is limited, and the efficiency of the main road is maximized, so that the ramp vehicles cannot enter the main road even in the case of a small main road traffic flow at peak time, thereby providing a control system and method for the merging point lane lamp of the expressway.

According to a first aspect, an embodiment of the present invention discloses an expressway confluence point lane lamp control system, including: the first stop line is arranged at the downstream of the confluence road section of the express way, and a first lane lamp is arranged in front of the first stop line; the express way includes: the system comprises a first lane, a second lane, an entrance ramp and an exit ramp, wherein the second lane comprises a diverging road section and a converging road section, the entrance ramp is intersected with the second lane at the converging road section, and the exit ramp is connected with the second lane at the diverging road section; the second stop line is arranged on the junction of the driving ramp, the shunting road section and the converging lane, and a second lane lamp is arranged in front of the second stop line; the radar video tracking detection device is arranged on the express way, the driving-in ramp and the driving-out ramp and is used for acquiring the driving information of the motor vehicle; and the lane lamp control device is in communication connection with the radar video tracking detection device and is used for controlling the first lane lamp and/or the second lane lamp according to the driving information acquired by the radar video tracking detection device.

With reference to the first aspect, in a first implementation manner of the first aspect, the system further includes: a first cue bar device disposed upstream of the first lane and the second lane; the first prompting rod device is provided with a first prompting device for prompting a motor vehicle driver to change lanes in advance according to the direction of the driver to the destination; the first prompting device is also respectively provided with: the second prompting device is used for prompting the driver of the motor vehicle that the first lane is going; the third prompting device is used for prompting the driver of the motor vehicle that the second lane goes to; the prompting marker and the guiding arrow are arranged on the road surface of the lane and are used for prompting the direction of the lane; and the lane dividing line is arranged between adjacent lanes on the express way, the solid line represents that the vehicle is not allowed to pass, and the dotted line represents that the vehicle is allowed to pass.

With reference to the first aspect, in a second embodiment of the first aspect, the system further includes: a plurality of electronic police devices are respectively arranged at: and the first lane, the second lane, the driving-in ramp and the driving-out ramp are used for judging whether the motor vehicle has illegal behaviors.

With reference to the first aspect, in a third implementation manner of the first aspect, the system further includes: a third lane disposed between the first lane and the second lane; the transition road section is arranged at the upstream of the third lane and is used for a motor vehicle driver to select one lane to transit between the first lane and the second lane according to a prompt sign; at a preset length from an entrance of a transition section, a ground mark is arranged at the upstream of the transition section and used for prompting a motor vehicle driver to change lanes; and the flow guide belt is arranged at the end of the transition road section and used for prompting the driver that the transition road section is ended and the motor vehicle is forbidden to pass.

According to a second aspect, an embodiment of the present invention discloses a method for controlling an expressway junction lane lamp, which is applied to the system according to the first aspect or any implementation manner of the first aspect, and includes: acquiring the driving information of each motor vehicle in the express way and the driving ramp through a radar video tracking detection device, wherein the driving information comprises: position information of the current moment, speed information of the current moment and information of time required for reaching the corresponding stop line; judging whether motor vehicles exist in the confluence road section and the driving ramp or not according to the driving information; when the motor vehicles exist on the confluence road section and the driving-in ramp, calculating a first time when a first motor vehicle reaches a first stop line and a second time when a second motor vehicle reaches a second stop line, wherein the first motor vehicle is a motor vehicle driving in the confluence road section, and the second motor vehicle is a motor vehicle driving in the driving-in ramp; when the first time is less than or equal to the second time, calculating the passing speed of the motor vehicle on the shunting section according to the running information; and judging whether the passing speed of the motor vehicles on the shunting road section is greater than a preset threshold value or not, and setting the first lane lamp to be in a passing state when the passing speed of the motor vehicles on the shunting road section is greater than the preset threshold value.

With reference to the second aspect, in the first embodiment of the second aspect, before the acquiring, according to the radar video tracking detection device, the driving information of each motor vehicle in the whole road section, the method further includes: and setting the first lane lamp and the second lane lamp to be in a no-pass state.

With reference to the second aspect, in a second embodiment of the second aspect, the method further comprises: and prompting the lane to be driven by the motor vehicle according to the prompting device, the mark characters of the destination name of the lane and the direction arrow.

With reference to the second aspect, in a third embodiment of the second aspect, the method further includes: and when the passing speed of the motor vehicles on the shunting road section is smaller than a preset threshold value, setting the first lane lamp and the second lane lamp to be in a forbidden state, and sending an alarm prompt.

With reference to the second aspect, in a fourth embodiment of the second aspect, the method further includes: judging whether a third motor vehicle exists in the confluence road section or not according to the driving information; if the third motor vehicle exists, judging whether third time for the third motor vehicle to reach the first stop line is less than a first preset threshold value; when the third time is smaller than a first preset threshold value, setting the first lane lamp to keep a passing state; recording fourth time when the first lane lamp keeps a passing state, and judging whether a fourth motor vehicle exists on the driving ramp or not according to the driving information when the fourth time is longer than the maximum passing time of a lane; and when a fourth motor vehicle exists on the driving ramp, setting the first lane lamp to be in a forbidden state, and setting the second lane lamp to be in a passing state.

With reference to the fourth aspect, in the fifth aspect, after the setting the first lane light to the disabled state and the setting the second lane light to the enabled state, the method further includes: judging whether the state of the first lane lamp is a forbidden state or not; when the state of the first lane lamp is a forbidden state, judging whether motor vehicles exist in the confluence road section and the driving ramp according to the driving information; when the motor vehicles exist on the confluence road section and the driving ramp, calculating fifth time when a fifth motor vehicle reaches a first stop line and sixth time when a sixth motor vehicle reaches a second stop line, wherein the fifth motor vehicle is a motor vehicle driving in the confluence road section, and the sixth motor vehicle is a motor vehicle driving in the driving ramp; and when the sixth time is less than the fifth time, judging whether the passing speed of the motor vehicle on the shunting road section is greater than a preset threshold value, and when the passing speed of the motor vehicle on the shunting road section is greater than the preset threshold value, setting the second lane lamp to be in a passing state.

With reference to the fifth embodiment of the second aspect, in a sixth embodiment of the second aspect, the method further comprises: judging whether a motor vehicle exists on the driving ramp or not according to the driving information; if the motor vehicle exists on the driving ramp, judging whether the seventh time for the motor vehicle to reach the second stop line is less than a first preset threshold value; when the seventh time is smaller than a first preset threshold value, setting the second lane lamp to keep a passing state; recording eighth time when the second lane lamp keeps a passing state, and judging whether a motor vehicle exists in the confluence road section or not according to the driving information when the eighth time is greater than the maximum passing time of a lane; when the motor vehicle exists in the confluence road section, the second lane lamp is set to be in a forbidden state, and the first lane lamp is set to be in a passing state.

With reference to the second aspect, in a seventh embodiment of the second aspect, the method further comprises: and marking the road surface of the first lane, the second lane, the on-ramp and the off-ramp with a mark character and a direction arrow of the destination name of the lane.

With reference to the sixth embodiment of the second aspect, in the eighth embodiment of the second aspect, the method further comprises: and continuously tracking each motor vehicle on the express way, identifying the license plate number of each motor vehicle, correlating the license plate number with the track of each motor vehicle in real time, and accurately recording the motor vehicle with violation and the license plate number thereof when the motor vehicle violates the rule.

The technical scheme of the invention has the following advantages:

1. the invention provides a control system and a method for a highway confluence point lane lamp, wherein the system comprises: the method comprises the steps that a merging lane, a shunting lane and an uncontrolled lane are arranged on a highway section, the first lane is the uncontrolled lane, the merging lane and the shunting lane are arranged on a second lane, a first stop line is arranged at the downstream of the merging lane section of the highway, a first lane lamp is arranged in front of the first stop line, a second stop line is arranged at the joint of a driving ramp, the shunting lane section and the merging lane section, and a second lane lamp is arranged in front of the second stop line; and controlling the first lane lamp and/or the second lane lamp according to the driving information acquired by the radar video tracking detection device. By implementing the method and the device, the problem that vehicles on the ramps cannot enter the main road under the condition that the main road traffic flow is small at the peak time because the efficiency of the main road is maximized by only limiting the flow of the ramps entering the main road in the related technology is solved. The traffic flow of the main road and the traffic flow of the main road driven from the ramp can be accurately controlled, the traffic pressure of the merging point and the splitting point of the express way in the peak time period is relieved, the traffic efficiency of the merging point and the splitting point of the express way in the peak time period is improved, and the occurrence rate of traffic accidents is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic view of an expressway confluence point lane lamp control system in embodiment 1 of the present invention;

fig. 2 is a schematic diagram of a transition section in an expressway confluence point lane lamp control system in embodiment 1 of the present invention;

fig. 3 is a schematic diagram of a specific example of a driving direction marking of an expressway confluence point lane lamp control system in embodiment 1 of the present invention;

fig. 4 is a block flow diagram of a control method for a highway confluence point lane lamp in embodiment 2 of the present invention;

reference numerals:

10-a first lane, 20-a second lane, 30-a first lane light, 40-a second lane light, 50-a drive-in ramp, 60-a drive-out ramp, 70-a first cue bar device, 80-a transition section, 201-a merge section on the second lane, 202-a split section on the second lane.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be communicated with each other inside the two elements, or may be wirelessly connected or wired connected. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Example 1

The embodiment of the present invention provides a highway confluence point lane lamp control system, which is applied to a specific application scenario of controlling a traffic flow entering or exiting a main road at a confluence point or a diversion point in a highway, as shown in fig. 1, and includes:

a first stop line provided downstream of the merging section 201 of the expressway, and a first lane lamp 30 provided in front of the first stop line; the express way includes: the second lane 20 comprises a diversion road section 202 and a confluence road section 201, the driving-in ramp 50 is intersected with the second lane 20 at the confluence road section 201, and the driving-out ramp 60 is jointed with the second lane 20 at the diversion road section 202.

For example, the entry direction and the exit direction of the express way section are predetermined, the motor vehicle enters from the entry direction and exits from the exit direction, and the area passing first is upstream with respect to the area passing later, that is, the side close to the entry direction is upstream and the side close to the exit direction is downstream.

For example, an expressway may be a section of road that serves a large amount of long-distance, fast traffic in a city, and an automobile traveling on the expressway has characteristics of a high speed and a long travel distance. In the present embodiment, the first lane 10 is disposed adjacent to the second lane 20 in the expressway, and the first lane 10 may be an uncontrolled lane, for example, a vehicle without a need to change the driving direction may travel at an uncontrolled high speed on the first lane 10; when the motor vehicle needs to exit the expressway, the motor vehicle can exit through the second lane 20, specifically, the upstream of the second lane 20 can be a merging road section 201, the downstream of the second lane 20 of the expressway can be a diverging road section 202, an entrance ramp 50 and an exit ramp 60 are arranged on one side of the second lane 20 of the expressway, and specifically, the entrance ramp 50 and the merging road section 201 meet on the second lane 20; downstream of the second lane 20, separate from the diversion section 202, forming an exit ramp 60; that is, the vehicle may drive into the main road by driving into the ramp 50. At this time, the first lane 10 and the second lane 20 may be main roads, and likewise, the entrance ramp 50 and the exit ramp 60 may be sub roads.

Illustratively, a first stop line is provided downstream of the merging section 201 of the second lane 20, that is, on the side of the merging section 201 close to the driving direction, and a first lane light 30 is provided in front of the first stop line, and for the vehicle driver, the side close to the destination, that is, on the side close to the driving direction, is in front of the first stop line, and the first lane light 30 is provided in front of the first stop line, and specifically, the traffic flow which wants to drive out of the main road, that is, out of the express way is controlled by changing the traffic state of the lane light according to the driving information of the vehicle on the express way.

A second stop line provided at a junction of the on-ramp 50, the diversion road section 202 and the merging road section 201, the second stop line being provided with a second lane lamp 40 in front thereof; in the present embodiment, a second stop line is provided at the intersection of the entrance ramp 50 and the second lane 20, that is, the second lane 20 may be divided into two by the entrance ramp 50, the first half may be the diverging section 202, and the second half may be the converging section 201; a second lane light 40 is provided in front of the second stop line for controlling the motor vehicle on the on-ramp 50.

The radar video tracking detection device is arranged on the express way, the driving-in ramp and the driving-out ramp and is used for acquiring the driving information of the motor vehicle; the system can be arranged on the first lane 10, the second lane 20, the entrance ramp 50 and the exit ramp 60 and is used for acquiring the running information of the motor vehicles on the express highway section; in this embodiment, the radar video tracking and monitoring device may also be disposed at any position on a lane of the express section, and is configured to acquire driving information of the motor vehicles on the express section within the target time period, specifically, the driving information may include information of the number of the motor vehicles, information of the driving speed of the motor vehicles, information of the driving positions of the motor vehicles, vehicle information of the motor vehicles, driver information, and the like.

And the lane lamp control device is in communication connection with the radar video tracking detection device and is used for controlling the first lane lamp 30 and/or the second lane lamp 40 according to the driving information collected by the radar video tracking detection device. In the present embodiment, the lane lamp control device controls the first lane lamp 30 to be in a passing state when there is a motor vehicle on the merging road 201 of the second lane 20 and the motor vehicle will reach the stop line first, and controls the second lane lamp 40 to be in the passing state when there is a motor vehicle on the driving ramp 50 and the corresponding stop line is reached first, according to all the driving information on the express way detected by the radar video tracking detection device.

The invention provides a highway confluence point lane lamp control system, which comprises: the method comprises the steps that a merging lane, a shunting lane and an uncontrolled lane are arranged on a highway section, the first lane is the uncontrolled lane, the merging lane and the shunting lane are arranged on a second lane, a first stop line is arranged at the downstream of the merging lane section of the highway, a first lane lamp is arranged in front of the first stop line, a second stop line is arranged at the joint of a driving ramp, the shunting lane section and the merging lane section, and a second lane lamp is arranged in front of the second stop line; and controlling the first lane lamp and/or the second lane lamp according to the driving information acquired by the radar video tracking detection device. Therefore, the problem that vehicles on the ramps cannot enter the main road under the condition that the main road traffic flow is small in high peak time because the efficiency of the main road is maximized by only limiting the flow of the ramps entering the main road in the related technology is solved. The traffic flow of the main road and the traffic flow of the main road driven from the ramp can be accurately controlled, the traffic pressure of the merging point and the splitting point of the express way in the peak time period is relieved, the traffic efficiency of the merging point and the splitting point of the express way in the peak time period is improved, and the occurrence rate of traffic accidents is reduced.

As an optional implementation manner of this application, an expressway confluence point lane lamp control system provided by an embodiment of the present invention further includes:

a first cue bar arrangement 70 disposed upstream of the first lane 10 and the second lane 20; a first prompting device is arranged on the first prompting rod device 70 and used for prompting the driver of the motor vehicle to change lanes in advance according to the direction of the driver going to the destination; on first suggestion device both sides, still be provided with respectively: second prompting means for prompting the driver of the motor vehicle that the first lane 10 is heading; third prompting means for prompting the driver of the motor vehicle that the second lane 20 is going;

in the present embodiment, the first prompting rod device 70 may be disposed on the first lane 10 and the second lane 20 that are a predetermined distance away from the on-ramp 50, that is, upstream of the first lane 10 and the second lane 20, that is, one end of the first lane 10 and the second lane 20 close to the driving-in direction, specifically, the first prompting rod device 70 may be a portal frame device, the predetermined distance may be 200 meters and 300 meters, the first prompting rod device 70 spans the first lane 10 and the second lane 20, and the first prompting device 70 is disposed on the first prompting rod device 70, and may be a self-luminous sign indicating that a driver of the vehicle needs to drive in a lane guiding direction during driving in front.

Exemplarily, a second prompting device and a third prompting device are arranged on two sides of the first prompting device, and specifically, the second prompting device indicates that the lane is a lane which continues to run on the main road, which can be a self-luminous mark or a reflective luminous mark, by the driver of the motor vehicle at a position close to the first lane 10; similarly, the third prompting device is disposed near the second lane 20 to indicate the direction of the lane to which the driver of the motor vehicle is going to be the direction of exiting the main road, specifically, the positions of the first prompting device, the second prompting device and the third prompting device may be the relation between the middle and both sides, or the first prompting device is disposed above the first prompting rod device 70, and the second prompting device and the third prompting device are disposed below the first prompting device.

As an optional embodiment of the present application, the system further includes: the prompting marker and the guiding arrow are arranged on the road surface of the lane and are used for prompting the heading of the lane; in this embodiment, on the ground of all lanes on the express way, a prompt symbol and a guide arrow may be set, where the prompt symbol indicates the driving direction of the lane, and the guide arrow indicates the driving route of the lane for prompting the driver of the motor vehicle.

As an optional embodiment of the present application, the system further includes: and the lane dividing line is arranged between adjacent lanes on the express way, the solid line represents that the vehicle is not allowed to pass, and the dotted line represents that the vehicle is allowed to pass.

The expressway confluence point lane lamp control system provided by the embodiment of the invention comprises a first prompting rod device, wherein a self-luminous mark or a reflective luminous mark is arranged on the first prompting rod device and is used for reminding a driver in advance, the driver needs to drive according to a guide lane in the front driving process, namely, the driver of a motor vehicle needing to drive out of a main road is reminded, the lane is changed in time, the traffic pressure of an expressway is relieved, and the traffic efficiency is improved.

As an optional implementation manner of the present application, the expressway confluence point lane lamp control system according to an embodiment of the present invention may further include: a plurality of electronic police devices are respectively arranged at: the first lane 10, the second lane 20, the on-ramp 50 and the off-ramp 60 are used for judging whether the motor vehicle has illegal behaviors. In this embodiment, the electronic police device may determine whether the motor vehicle violates the rule through the acquired driving information, specifically, the electronic police devices disposed on the upstream of the first stop line and the upstream of the second stop line may determine whether the motor vehicles on the second lane 20 and the entering ramp 50 travel according to the indication states of the lane lights according to the acquired driving information of the motor vehicle, that is, determine whether the motor vehicle violates the red light running; the electronic police devices arranged on the first lane 10, the second lane 20, the on-ramp 50 and the off-ramp 60 can track and detect whether the motor vehicles on the shared lane have illegal behaviors of driving the motor vehicles according to the acquired driving information of the motor vehicles.

As an alternative embodiment of the present application, as shown in fig. 2, the system may further include: a third lane disposed between the first lane 10 and the second lane 20; the transition road section 80 is arranged at the upstream of the third lane and is used for a motor vehicle driver to transit between the first lane and the second lane according to the prompt sign; at a first preset length from the entrance of the transition section, a ground mark is arranged at the upstream of the transition section and used for prompting a motor vehicle driver to change lanes; and the flow guide belt is arranged at a second preset length away from the entrance of the transition road section and used for prompting the driver that the transition road section is finished and the motor vehicle is forbidden to pass. In this embodiment, a transition section is provided upstream of the third lane, within the predetermined area, which may be within 100m, i.e. the entrance into the third lane 100m, in which case two dashed lines are drawn in the middle of the transition section, in which case the motor vehicle may cross from the dashed lines into the first lane or the second lane and accordingly continue to travel on the main road or exit the main road from the second lane.

For example, the transition section 80 may be used for a motor vehicle that has not yet been determined to be driving out of the main road for a while, for a transition section on which it is determined to be driving out of the main road, or for a nearest ramp exit to be driven out of the main road; at the preset distance, two dotted lines can be drawn in the middle of the transition section, that is, when the vehicle runs into the preset area, the vehicle can cross the dotted lines, drive into the first lane and continue to run on the main road; or into the second lane, and thus out of the ramp 60 and out of the main road.

For example, the first preset length may be 20m or 25m, and in practical applications, that is, the ground identifier may be set at a position 20m away from the entrance of the transition section, so as to prompt the driver to continue traveling on the main road or exit the main road according to the identifier; the second preset length may be 100m, that is, the length of the transition section may be 100m, and at the end of the transition section, a diversion strip is provided to prompt the driver that the transition section is finished at this time, and the motor vehicle cannot continue to advance forward and cannot cross at this time.

In the following, with reference to a specific embodiment, a specific application scenario and a function of the expressway confluence point lane light control system are specifically described, as shown in fig. 3, a driving direction a may be a direction of continuing to advance on a main road, a driving direction B may be a direction of driving away from the main road, and a driver of a motor vehicle may, according to the first cue stick device 70, drive into the first lane 10, that is, an uncontrolled lane, to continue to advance in a previous direction if the driver needs to continue to drive on the main road; if the vehicle needs to drive out of the main road, the vehicle can drive into the second lane 20 and correspondingly drive according to the ground marks and the guide arrows; if the driver of the motor vehicle has not determined during the current time period whether the driver of the motor vehicle needs to exit the main road, he can first enter the transition section 80, in which the direction of travel is determined: if the vehicle needs to continuously drive on the main road, driving to the left and driving into a first lane; if the vehicle needs to drive away from the main road, the vehicle drives to the right and drives into a second lane; at the end of the transition section, a guidance strip is provided over which the motor vehicle cannot pass, in particular, the driver of the motor vehicle must determine the direction of travel, whether to continue traveling on the main road or to leave the main road, before driving off the transition section.

For example, the motor vehicle may enter the main road from the driving-in ramp 50 and then enter the third lane, and drive on the main road, specifically, at a preset distance in front of the diversion strip, for example, the preset distance may be 5m, and at the position 5m in front of the diversion strip, that is, at the intersection of the driving-in ramp and the merging road section and the diverging road section, the separation line between the third lane and the second lane may be set as a dotted line, so that the motor vehicle driving into the main road through the driving-in ramp drives into the third lane and continues to travel according to the driving direction of the main road.

Example 2

An embodiment of the present invention provides a method for controlling a merging point lane lamp of an expressway, which is applied to a system according to any of the above embodiments, and as shown in fig. 4, the method includes:

step S11: through radar video tracking detection device, obtain the information of going of each motor vehicle in expressway and the ramp of going into, the ramp of going out, wherein, this information of going includes: the position information of the current time, the speed information of the current time and the time information of arriving at the corresponding stop line, and the time information of arriving at the appointed position is correspondingly calculated according to the position information and the speed information.

Step S12: in this embodiment, it may be determined that there are motor vehicles on the merging road section and the entering ramp on the second lane according to the acquired position information of the motor vehicles.

Step S13: when the motor vehicles exist on the merging road section and the driving ramp, calculating first time when a first motor vehicle reaches a first stop line and second time when a second motor vehicle reaches a second stop line, wherein the first motor vehicle is a motor vehicle driving in the merging road section, and the second motor vehicle is a motor vehicle driving in the driving ramp; in this embodiment, when the motor vehicles are both on the merging road section and the entrance ramp on the second lane, the first time when the first motor vehicle reaches the first stop line and the second time when the second motor vehicle reaches the second stop line are calculated according to the position information and the speed information of the motor vehicles, and compared, when the first time is less than the second time, that is, the motor vehicles on the merging road section reach the preset position earlier than the motor vehicles on the entrance ramp, at this time, it can be determined that the second lane lamp continues to keep the forbidden state.

Step S14: when the first time is less than or equal to the second time, calculating the passing speed of the motor vehicle on the shunting road section according to the running information; in the present embodiment, when it has been determined that the motor vehicle on the merging road section will arrive at the stop line earlier than the motor vehicle on the on-ramp, the driving information on the merging road section on the second lane acquired by the radar tracking detection device may be, specifically, motor vehicle driving speed information.

Step S15: judging whether the passing speed of the motor vehicles on the shunting section is greater than a preset threshold value or not, and setting the first lane lamp to be in a passing state when the passing speed of the motor vehicles on the shunting section is greater than the preset threshold value; when the running speed of the motor vehicle on the shunting road section is greater than the preset speed threshold value, it can be determined that the motor vehicle on the shunting road section is not jammed at the moment, the first lane lamp can be set to be in a passing state, that is, the motor vehicle can drive in and out of the ramp through the shunting road section and then drive out of the main road.

As an alternative embodiment of the present application, before executing step S11, the method further includes, before acquiring the driving information of each motor vehicle in the road segment according to the radar video tracking detection device: the first lane lamp and the second lane lamp are set to be in a no-pass state, specifically, when the lane lamp control system is initialized, the first lane lamp and the second lane lamp are in the no-pass state, the pass state of the lane lamps is correspondingly changed in the subsequent dispatching process, and accidents are prevented.

As an optional embodiment of the present application, the method further comprises: and prompting the lane to be driven by the motor vehicle according to the prompting device, the mark characters of the destination name of the lane and the direction arrow.

In the embodiment, that is, the vehicle flow that is prompted to continue to advance on the main road according to the driving direction is separated from the vehicle flow that is about to exit the main road in advance, specifically, the vehicle that enters the first lane and the second lane from the driving direction can change lanes in advance according to the prompt for changing lanes in advance, the guidance lane mark and the prompt device, and specifically, the vehicle that needs to continue to travel on the main road changes lanes to enter the first lane; the motor vehicle which needs to exit the main road, namely, the motor vehicle which drives away from the express way can change the lane in advance to enter the second lane according to the prompt of changing the lane in advance, the guide lane mark and the prompt device, correspondingly pass through the confluence lane, the diversion lane and finally drive into and exit the ramp to drive away from the main road. Therefore, the traffic flow which continues to run on the main road and the lane which runs away from the main road can be shunted in advance, and the traffic pressure of the express section is reduced.

As an optional embodiment of the present application, the method further comprises: and when the passing speed of the motor vehicles on the shunting road section is less than a preset threshold value, setting the first lane lamp and the second lane lamp to be in a forbidden state, and sending an alarm prompt. Specifically, the lane lamp control device may obtain the driving information of the vehicle on the shunting section in real time, which may be driving speed information, and monitor in real time, when it is detected that the driving speed of the vehicle on the shunting section is less than a preset threshold, for example, 60km/h, it is considered that a jam occurs on the shunting section at this time, that is, it is determined that the driving condition of the shunting section at this time is not suitable for placing the vehicle again, and then the first lane lamp and the second lane lamp are set to the no-go state, and may also send an alarm prompt to prompt a traffic police to timely handle the jammed section.

As an optional embodiment of the present application, after setting the first lane light to the traffic state, the method further comprises:

firstly, judging whether a third motor vehicle exists in a confluence road section or not according to the driving information; in the present embodiment, that is, after it is determined that the first lane light on the merging section is set to the traffic state, it is continuously determined whether there is still a motor vehicle on the merging section.

Secondly, if a third motor vehicle exists, judging whether third time for the third motor vehicle to reach the first stop line is less than a first preset threshold value; in the present embodiment, that is, when it is determined that a third vehicle exists after the first vehicle, it is determined whether the third vehicle is within a preset length from the first vehicle, specifically, 10 meters or 15 meters; that is, whether the interval between the third motor vehicle and the first motor vehicle is within the preset length is judged, that is, whether the time for the third motor vehicle to reach the first stop line is smaller than a first preset time threshold is judged, when the third time is smaller than the first preset time threshold, the first lane lamp is set to keep the passing state, and the first preset time threshold indicates that when the interval between two continuous motor vehicles to reach the stop line is smaller than or equal to the first preset time threshold, the lane lamp can be kept in the passing state all the time.

Thirdly, recording fourth time when the first lane lamp keeps a passing state, and judging whether a fourth motor vehicle exists on the driving ramp or not according to the driving information when the fourth time is longer than the maximum passing time of the lane; when a fourth motor vehicle exists on the driving ramp, the first lane lamp is set to be in a forbidden state, and the second lane lamp is set to be in a passing state. In the present embodiment, the maximum passage time represents the maximum time that lasts after the lane lamp is set to the passage state.

According to the lane lamp control method for the confluence point of the expressway provided by the embodiment of the invention, the traffic state of the lane lamp is flexibly set according to the driving information of the motor vehicle on the expressway acquired by the radar video tracking detection device, the traffic pressure of the vehicle on the expressway is effectively relieved, and the state of the lane lamp can be timely changed according to the real-time position of the vehicle.

As an optional embodiment of the present application, after setting the first lane lamp in the disabled state and setting the second lane lamp in the passing state, the method further includes:

firstly, judging whether the state of a first lane lamp is a forbidden state or not, and judging whether motor vehicles exist in a confluence road section and a driving ramp or not according to driving information when the state of the first lane lamp is the forbidden state;

secondly, when the motor vehicles exist on the merging road section and the driving ramp, calculating the fifth time when the fifth motor vehicle reaches the first stop line and the sixth time when the sixth motor vehicle reaches the second stop line, wherein the fifth motor vehicle is a motor vehicle running in the merging road section, and the sixth motor vehicle is a motor vehicle running in the driving ramp;

and thirdly, when the sixth time is less than the fifth time, judging whether the passing speed of the motor vehicle on the shunting road section is greater than a preset threshold value, and when the passing speed of the motor vehicle on the shunting road section is greater than the preset threshold value, setting the second lane lamp to be in a passing state.

As an optional embodiment of the present application, after setting the second lane light to the traffic state, the method further comprises:

firstly, judging whether a motor vehicle exists on a driving ramp or not according to driving information;

secondly, if the motor vehicles exist on the driving ramp, judging whether the seventh time for the motor vehicles to reach the second stop line is less than a first preset threshold value;

thirdly, when the seventh time is smaller than the first preset threshold value, setting the second lane lamp to keep a passing state; recording eighth time when the second lane lamp keeps a passing state, and judging whether a motor vehicle exists in the confluence road section or not according to the driving information when the eighth time is greater than the maximum passing time of the lane; when the motor vehicle exists in the confluence road section, the second lane lamp is set to be in a forbidden state, and the first lane lamp is set to be in a passing state.

As an optional embodiment of the present application, the method further comprises: on the road surfaces of the first lane, the second lane, the on-ramp and the off-ramp, the marks and the direction arrows of the lane to the destination name are marked, so that the driver of the motor vehicle can be prompted to enter the correct lane according to the marks of the ground marks in time.

As an optional embodiment of the present application, the method further includes continuously tracking each motor vehicle on the express highway section by using a radar detection tracking device, identifying a license plate number of each motor vehicle, associating the license plate number with a track of each motor vehicle in real time, and taking a picture when the motor vehicle violates a rule; in this embodiment, when the vehicle enters the express highway section, the electronic police device may track the vehicle in real time, photograph an image of the vehicle and identify the license plate number of the vehicle accordingly, and when the vehicle has the above violation condition, the image may be photographed and uploaded to the traffic police processing platform, specifically, the image may be photographed together with the license plate number of the vehicle associated with each vehicle and uploaded to the traffic police processing platform, so that the information of the vehicle having the violation can be accurately recorded, and the monitoring efficiency of the vehicle on the express highway section is improved.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.

Claims (2)

1. The utility model provides an expressway confluence point lane lamp control system which characterized in that includes:

the first stop line is arranged at the downstream of the confluence road section of the express way, and a first lane lamp is arranged in front of the first stop line; the express way includes: the system comprises a first lane, a second lane, an entrance ramp and an exit ramp, wherein the second lane comprises a diverging road section and a converging road section, the entrance ramp is intersected with the second lane at the converging road section, and the exit ramp is connected with the second lane at the diverging road section;

the second stop line is arranged at the joint of the driving ramp, the shunting road section and the converging lane, and a second lane lamp is arranged in front of the second stop line;

the radar video tracking detection device is arranged on the express way, the driving-in ramp and the driving-out ramp and is used for acquiring the driving information of the motor vehicle;

the lane lamp control device is in communication connection with the radar video tracking detection device and is used for controlling the first lane lamp and/or the second lane lamp according to the driving information collected by the radar video tracking detection device;

the system further comprises:

a first cue bar device disposed upstream of the first lane and the second lane;

the first prompting rod device is provided with a first prompting device for prompting a motor vehicle driver to change lanes in advance according to the direction of the driver to the destination; the first prompting device is also respectively provided with:

the second prompting device is used for prompting the driver of the motor vehicle that the first lane is going;

the third prompting device is used for prompting the driver of the motor vehicle that the second lane goes to;

the prompting marker and the guiding arrow are arranged on the road surface of the lane and are used for prompting the direction of the lane;

lane lines, which are arranged between adjacent lanes on the express way, are represented by solid lines and broken lines, and are not allowed to pass by the vehicle;

a plurality of electronic police devices are respectively arranged at: the first lane, the second lane, the driving-in ramp and the driving-out ramp are used for judging whether the motor vehicle has illegal behaviors;

a third lane disposed between the first lane and the second lane;

the transition road section is arranged at the upstream of the third lane and is used for a motor vehicle driver to transit between the first lane and the second lane according to a prompt sign;

at a first preset length from an entrance of a transition section, a ground mark is arranged at the upstream of the transition section and used for prompting a motor vehicle driver to change lanes;

the diversion belt is arranged at a second preset length away from the entrance of the transition section and used for prompting a driver that the transition section is finished and the motor vehicle is forbidden to pass;

setting a first lane lamp and a second lane lamp in a no-pass state;

acquiring the driving information of each motor vehicle in the express way and the driving ramp through a radar video tracking detection device, wherein the driving information comprises: position information of the current moment, speed information of the current moment and information of time required for reaching the corresponding stop line;

judging whether motor vehicles exist in the confluence road section and the driving ramp or not according to the driving information;

when the motor vehicles exist on the confluence road section and the driving-in ramp, calculating a first time when a first motor vehicle reaches a first stop line and a second time when a second motor vehicle reaches a second stop line, wherein the first motor vehicle is a motor vehicle driving in the confluence road section, and the second motor vehicle is a motor vehicle driving in the driving-in ramp;

when the first time is less than or equal to the second time, calculating the passing speed of the motor vehicle on the shunting section according to the running information;

judging whether the passing speed of the motor vehicles on the shunting section is greater than a preset threshold value or not, and setting a first lane lamp to be in a passing state when the passing speed of the motor vehicles on the shunting section is greater than the preset threshold value;

when the passing speed of the motor vehicles on the shunting section is smaller than a preset threshold value, setting the first lane lamp and the second lane lamp to be in a forbidden state, and sending an alarm prompt;

judging whether a third motor vehicle exists in the confluence road section or not according to the driving information;

if the third motor vehicle exists, judging whether third time for the third motor vehicle to reach the first stop line is less than a first preset threshold value;

when the third time is smaller than a first preset threshold value, setting the first lane lamp to keep a passing state;

recording fourth time when the first lane lamp keeps a passing state, and judging whether a fourth motor vehicle exists on the driving ramp or not according to the driving information when the fourth time is longer than the maximum passing time of a lane;

when a fourth motor vehicle exists on the driving ramp, setting the first lane lamp to be in a forbidden state, and setting the second lane lamp to be in a passing state;

prompting the lane to be driven by the motor vehicle according to the prompting device, the label and the direction arrow of the destination name of the lane;

judging whether the state of the first lane lamp is a forbidden state or not;

when the state of the first lane lamp is a forbidden state, judging whether motor vehicles exist in the confluence road section and the driving ramp according to the driving information;

when the motor vehicles exist on the confluence road section and the driving ramp, calculating fifth time when a fifth motor vehicle reaches a first stop line and sixth time when a sixth motor vehicle reaches a second stop line, wherein the fifth motor vehicle is a motor vehicle driving in the confluence road section, and the sixth motor vehicle is a motor vehicle driving in the driving ramp;

when the sixth time is less than the fifth time, judging whether the passing speed of the motor vehicle on the shunting section is greater than a preset threshold value, and when the passing speed of the motor vehicle on the shunting section is greater than the preset threshold value, setting the second lane lamp to be in a passing state;

judging whether a motor vehicle exists on the driving ramp or not according to the driving information;

if the motor vehicle exists on the driving ramp, judging whether the seventh time for the motor vehicle to reach the second stop line is less than a first preset threshold value;

when the seventh time is smaller than a first preset threshold value, setting the second lane lamp to keep a passing state;

recording eighth time when the second lane lamp keeps a passing state, and judging whether a motor vehicle exists in the confluence road section or not according to the driving information when the eighth time is greater than the maximum passing time of a lane;

when the motor vehicle exists in the confluence road section, setting the second lane lamp to be in a forbidden state, and setting the first lane lamp to be in a passing state;

marking the road surface of a first lane, a second lane, an on-ramp and an off-ramp with a mark character and a direction arrow of the lane to a destination name;

and continuously tracking each motor vehicle on the express way, identifying the license plate number of each motor vehicle, associating the license plate number with the track of each motor vehicle in real time, and recording the motor vehicle with violation and the license plate number thereof when the motor vehicle violates the rule.

2. A method of controlling an expressway merge point lane light, for use in the system of claim 1, comprising:

setting a first lane lamp and a second lane lamp in a no-pass state;

acquiring the driving information of each motor vehicle in the express way and the driving ramp through a radar video tracking detection device, wherein the driving information comprises: position information of the current moment, speed information of the current moment and information of time required for reaching the corresponding stop line;

judging whether motor vehicles exist in the confluence road section and the driving ramp or not according to the driving information;

when the motor vehicles exist on the confluence road section and the driving-in ramp, calculating a first time when a first motor vehicle reaches a first stop line and a second time when a second motor vehicle reaches a second stop line, wherein the first motor vehicle is a motor vehicle driving in the confluence road section, and the second motor vehicle is a motor vehicle driving in the driving-in ramp;

when the first time is less than or equal to the second time, calculating the passing speed of the motor vehicle on the shunting section according to the running information;

judging whether the passing speed of the motor vehicles on the shunting section is greater than a preset threshold value or not, and setting a first lane lamp to be in a passing state when the passing speed of the motor vehicles on the shunting section is greater than the preset threshold value;

when the passing speed of the motor vehicles on the shunting section is smaller than a preset threshold value, setting the first lane lamp and the second lane lamp to be in a forbidden state, and sending an alarm prompt;

judging whether a third motor vehicle exists in the confluence road section or not according to the driving information;

if the third motor vehicle exists, judging whether third time for the third motor vehicle to reach the first stop line is less than a first preset threshold value;

when the third time is smaller than a first preset threshold value, setting the first lane lamp to keep a passing state;

recording fourth time when the first lane lamp keeps a passing state, and judging whether a fourth motor vehicle exists on the driving ramp or not according to the driving information when the fourth time is longer than the maximum passing time of a lane;

when a fourth motor vehicle exists on the driving ramp, setting the first lane lamp to be in a forbidden state, and setting the second lane lamp to be in a passing state;

prompting the lane to be driven by the motor vehicle according to the prompting device, the label and the direction arrow of the destination name of the lane;

judging whether the state of the first lane lamp is a forbidden state or not;

when the state of the first lane lamp is a forbidden state, judging whether motor vehicles exist in the confluence road section and the driving ramp according to the driving information;

when the motor vehicles exist on the confluence road section and the driving ramp, calculating fifth time when a fifth motor vehicle reaches a first stop line and sixth time when a sixth motor vehicle reaches a second stop line, wherein the fifth motor vehicle is a motor vehicle driving in the confluence road section, and the sixth motor vehicle is a motor vehicle driving in the driving ramp;

when the sixth time is less than the fifth time, judging whether the passing speed of the motor vehicle on the shunting section is greater than a preset threshold value, and when the passing speed of the motor vehicle on the shunting section is greater than the preset threshold value, setting the second lane lamp to be in a passing state;

judging whether a motor vehicle exists on the driving ramp or not according to the driving information;

if the motor vehicle exists on the driving ramp, judging whether the seventh time for the motor vehicle to reach the second stop line is less than a first preset threshold value;

when the seventh time is smaller than a first preset threshold value, setting the second lane lamp to keep a passing state;

recording eighth time when the second lane lamp keeps a passing state, and judging whether a motor vehicle exists in the confluence road section or not according to the driving information when the eighth time is greater than the maximum passing time of a lane;

when the motor vehicle exists in the confluence road section, setting the second lane lamp to be in a forbidden state, and setting the first lane lamp to be in a passing state;

marking the road surface of a first lane, a second lane, an on-ramp and an off-ramp with a mark character and a direction arrow of the lane to a destination name;

and continuously tracking each motor vehicle on the express way, identifying the license plate number of each motor vehicle, associating the license plate number with the track of each motor vehicle in real time, and recording the motor vehicle with violation and the license plate number thereof when the motor vehicle violates the rule.

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