CN110863453A - Underground vertical convergence zone sight line induction system - Google Patents

Abstract

The invention relates to the technical field of traffic safety, in particular to an underground interchange merging sight guidance system, comprising a side wall sight guidance system, a sign guidance system and a road surface guidance system. Lines, large inductive arrows, small inductive arrows and LED reference bars; the sign guiding system is composed of flexible warning posts, merging warning signs, yield signs and tunnel indicators; the pavement guiding system is composed of raised road signs, diversion lines, virtual and solid steering Arrow, yield line, fishbone deceleration line and virtual and real line. With such a structural setting, the driver's visual environment can be effectively improved through the side wall line of sight guidance system, the sign guidance system and the road surface guidance system, the effect of inducing and indicating secondary traffic flow is enhanced, the traffic efficiency in the merging area is improved, and the control The speed and distance of vehicles on the main and secondary roads improve the safety of the merging area.

Description

A line-of-sight guidance system for the junction area of an underground interchange

technical field

The invention relates to the technical field of traffic safety, in particular to an underground interchange merge sight guidance system.

Background technique

At present, on the one hand, with the construction of more and more tunnels, underground interchanges, and more and more interweaving situations, on the other hand, the traffic environment of tunnels is very complex, and the traffic flow of urban tunnels during peak hours is very large, and there is still a lack of Research on the theory of traffic flow system in the junction area of urban underground interchanges. Therefore, the lack of hierarchy, systematicness and accuracy of the guidance information often leads to difficulties for drivers to drive, resulting in congestion and traffic accidents of underground interchanges, affecting the traffic environment in the area. .

SUMMARY OF THE INVENTION

Aiming at the deficiencies of the prior art, the present invention provides an underground interchange merging sight guidance system, which improves the driver's visual environment, enhances the effect of inducing and indicating traffic flow on the secondary road, improves the traffic efficiency of the junction area, and controls the main road. , the speed and distance of vehicles on the secondary road to improve the safety of the merging area.

In order to achieve the above object, the technical scheme applied by the present invention is as follows:

An underground interchange and junction sight guidance system, comprising a side wall sight guidance system, a sign guidance system and a pavement guidance system. LED reference bars; sign guidance system consists of flexible warning posts, merging warning signs, yield signs and tunnel indicators; road guidance system consists of raised road signs, diversion lines, virtual and solid turning arrows, yield lines, and fishbone deceleration Markings and virtual and real markings.

Further, the reflective rings include three blue reflective rings arranged on the sidewall of the main road before the tunnels merge, the distance between which is 40-50m, and three blue reflective rings arranged on the sidewall of the secondary road before the tunnels merge. The red reflective rings are arranged at a distance of 20-25m, and the four blue reflective rings are arranged on the side wall of the main road after the confluence, and the distance between them is 40-50m.

Further, the curb elevation marks are arranged on the lower edge and the top of the curb stone on the side walls of the main road and the secondary road, and 2-4m of curb elevation marks are arranged in every 8-10m of curb length, and The side walls of the main road are set as green and white curb elevation marks, and the side walls of the secondary roads are set as yellow and black curb elevation marks.

Further, the belt line is set as a green belt line on the side wall of the main road, and is set as a yellow belt line on the side wall of the secondary road. The pattern of the combination of two white inducing small arrows is arranged at a distance of 4-5m. Large inductive arrows are arranged on the belt line in the middle section of the tunnel interweaving area, and the distance between them is 8-10m. There is a white LED reference bar with arrows on it, and the distance between them is 40-50m.

Further, the flexible warning column includes four flexible warning columns arranged on the guide line at the nose position, and the distance between them is 2-3m. The length of the membrane is gradually decreased from 0.5 to 0.7 m to 0.1 to 0.2 m, and is arranged in the shape of an arrow.

Further, the confluence warning sign is set at the position of the nose, the main road is marked in black, and the secondary road is marked in yellow. There are two yellow flashing lights that can actively emit light. The light intensity of the yellow flashing lights is 30~50cd, and each time is 0.5~1.0s.

Further, the yield sign is set at the roadside position of the front section of the secondary road and the end section of the secondary road before the tunnel merges, and the tunnel indicator is set on the secondary road tunnel before the tunnel merges and is set on the main road before the tunnel merges. On the front and end tunnels of the main road.

Further, the raised road signs are arranged on the tunnel edge lines of the main road and the secondary road, and the distance between them is 8 to 10 m. The virtual and solid steering arrows are arranged on the secondary road, and the straight line part adopts a dashed line, and the arrow part adopts a solid line. Let row markings be set on secondary roads.

Further, the fishbone-shaped deceleration marking line is arranged on the road surface of the main road and the secondary road before the tunnel merges, with a distance of 40 to 50 m, an inner angle of 45° to 60°, and an outer angle of 90° to 120°. The virtual and real marking lines decrease from 1 to 2 m wide at the nose end to 20 to 40 cm wide at the edge of the main road tunnel.

Further, the small inductive arrows on the belt line are arranged at a distance of 4 to 5 m, forming a high-frequency visual information flow with a frequency of 3.0 to 4.5 hz, and the signs of curb facade markings, large induced arrows and raised road signs. The setting spacing is 8-10 meters, forming an intermediate frequency visual information flow with a frequency of 1.5-2.0hz. The setting spacing of the main road reflective ring, LED reference strip and fishbone-shaped deceleration marking line is 40-50 meters, forming 0.3-0.4hz low-frequency visual information flow.

Beneficial effects of the present invention:

1) The present invention adopts the side wall line of sight guidance system. Green belt lines are set on the side walls of the main road, yellow lines are set on the side walls of the secondary roads, and large guiding arrows are set on the belt lines in the confluence area, and belt lines in other places are set. A small guiding arrow is set on the top, the main road curb is marked with green and white, and the secondary curb is marked with yellow and black. The belt line and the arrow above are used to guide the driver's sight. The size of the arrow distinguishes the merging area and other areas, which is convenient for drivers to distinguish and improves the recognition of the merging area;

2) The present invention adopts a sign induction system, the pattern of the confluence warning sign, the main road is a thick black line, and the secondary road is a thin yellow line, which corresponds to the belt line of the secondary road, which is easy for the driver to understand, and uses an active light-emitting The yellow flashing light improves the recognition of the confluence warning sign and facilitates the driver to make corresponding operations in advance. The combination of arrow-shaped warning columns improves the induction ability at the nose end, and cooperates with the arrows on the belt line. Tunnel indicators are set at the entrance and exit to improve the driver's cognitive ability to tunnel changes and improve the driver's visual distance. The entire sign guidance system can improve the level and systematicness of the guidance information in the confluence area, and improve the confluence. the traffic efficiency of the district;

3) The present invention adopts a pavement guidance system, using diversion lines and virtual and real marking lines to remind drivers to pay attention to safety, raise vigilance, and control, guide and warn traffic. The virtual and solid markings and the virtual and solid turning arrows from thick to thin can better guide the drivers of the secondary road to cross the main road in the middle and rear sections of the merging area, so as to avoid stopping in the first half, resulting in congestion on the secondary road at the nose end;

4) The present invention adopts a multi-frequency omnidirectional information flow system, high-frequency median information-inducing small arrows, intermediate-frequency median information-inducing large arrows, intermediate-frequency low-level information-curb façade markings and raised road signs, low-frequency omnidirectional information Information-LED reference bar and reflective ring, low-frequency low-level information-fishbone-shaped deceleration marking, multi-frequency omnidirectional information to establish a strong visual reference system, so that the driver's psychological perception speed is better than the actual physical speed, thus ensuring driving safety;

5) The present invention utilizes the principle of retroreflection on belt lines, curb elevation markings, flexible warning posts, and fishbone-shaped deceleration markings, and adopts low-cost, highly reflective road traffic signs and sight-guiding signs, which does not involve large-scale Road infrastructure, low investment, easy construction and quick results, ensure the warning and inducement to the drivers in the tunnel, the yellow flashing lights are used on the merging warning signs, and the tunnel indicators are set on the tunnels to ensure the safety of the tunnel. The visibility of traffic information in a dark environment improves the driver's visual environment, allowing drivers on the second road to discover the corresponding signs in advance, understand the tunnel situation, and have enough time to make joint behaviors to increase the corresponding traffic signs and guidance signs. The cost method ensures the fast and safe passage of vehicles on the main road, and the vehicles on the secondary road pass through the main road efficiently, realizing the safety, efficiency and stability of the traffic in the junction area of the underground interchange;

6) The present invention has been proved through experiments, and it has been found that LED reference bars, belt lines, curb elevation markings, and fishbone-shaped deceleration markings are installed in the tunnel confluence area, which can indeed improve the driver's vigilance and improve the driver's ability to control the speed of the vehicle. , is conducive to the driving safety of the vehicle, and the merging warning signs and tunnel indicators with yellow flashing lights allow drivers to understand the relevant traffic information earlier. Road vehicles, thereby improving the traffic efficiency of the merging area.

Description of drawings

Figure 1 is a schematic diagram of the plane layout and control of the line of sight induction method in the junction area of the underground interchange;

Fig. 2 is the side wall side schematic diagram of the junction area of the underground interchange;

Figure 3 is a schematic front view of the main road of the underground interchange;

Figure 4 is a schematic side view of a flexible warning column at the nose;

Figure 5 is a schematic diagram of a confluence warning sign;

Figure 6 is a schematic diagram of the yield sign.

1. Reflective ring; 3. Curb façade marking; 7. Belt line; 8. Induce large arrow; 9. Induce small arrow; 10. LED reference strip; 12. Raised road sign; 13. Flexible warning post; 14. Diversion line; 20. Confluence warning sign; 21. Give way sign; 22. Virtual and real turning arrow; 23. Give way marking; 25. Fishbone deceleration marking; 26. Virtual and real marking; 30. Tunnel indicator; 40 .Yellow flashing light.

Detailed ways

The technical solutions of the present invention will be described below with reference to the accompanying drawings and embodiments.

As shown in Fig. 1 to Fig. 6, an underground interchange merging sight inducing system according to the present invention includes a side wall sight inducing system, a sign inducing system and a pavement inducing system. The side wall sight inducing system is composed of a reflective ring 1, a curb stand Face marking 3, belt line 7, large guiding arrow 8, small guiding arrow 9 and LED reference bar 10; the sign guiding system is composed of flexible warning post 13, merging warning sign 20, yield sign 21 and tunnel indicator 30; road surface The induction system is composed of a raised road sign 12 , a diversion line 14 , a virtual and solid turning arrow 22 , a yield line 23 , a fishbone-shaped deceleration line 25 and a virtual and solid line 26 . The foregoing constitutes the basic structure of the present invention.

The present invention adopts such a structural arrangement, through the side wall sight guidance system composed of the reflective ring 1, the curb elevation mark 3, the belt line 7, the large inductive arrow 8, the small inductive arrow 9 and the LED reference strip 10, the tunnel vision is realized. The contour induction of the merging area improves the visual environment in the tunnel. The different colors of the primary and secondary roads facilitate the driver to identify road information and improve the driver's driving comfort; The sign guidance system formed by the device 30 realizes the advance notice and warning to the driver, reasonably guides the traffic flow, and improves the traffic efficiency; The fishbone-shaped deceleration marking line 25 and the virtual and real marking line 26 constitute a road guide system to guide the driver in a linear shape, so as to increase the driver's control over the driving speed and avoid collision with the preceding vehicle.

The sight-inducing system for the merging of underground interchanges according to the present invention is suitable for the merging section of urban underground interchanges with a speed limit of 60km/h, which can improve the driver's visual environment and driving comfort, and ensure the merging of vehicles on the main road and the secondary road. Driving safety and improving traffic efficiency in the merging area.

More specifically, the reflective ring 1 includes three blue reflective rings arranged on the side wall of the main road before the tunnel merges, and the distance between them is 40-50m, and is arranged on the side wall of the secondary road before the tunnel merges. The three red reflective rings are set at a distance of 20-25m, and the four blue reflective rings on the side wall of the main road after the confluence are set at a distance of 40-50m. With such a structure setting, different road sections are distinguished by different colors, which enhances the contour induction of the tunnel and improves the orderliness of the information in the tunnel.

More specifically, the curb elevation marks 3 are arranged at the lower edges and top positions of the sidewalls of the main road and the secondary road, and 2 to 4m of curb elevation marks are provided for every 8 to 10m of curb length. , the side walls of the main road are set as green and white curb elevation marks, and the side walls of the secondary roads are set as yellow and black curb elevation marks.

In practical applications, green and white curb façade markings are set on the sidewall of the main road side, that is, the first 1/3 is white, the middle 1/3 is green, and the last 1/3 is white.

In practical applications, the sidewalls of the secondary roads are set as yellow and black curb elevation marks, that is, the first 1/3 is black, the middle 1/3 is yellow, and the last 1/3 is black.

The use of such a structure makes the right of way in the interior space of the tunnel clearer. Different chromatic aberrations are used to distinguish the main road from the secondary road. The curb elevation marks 3 are set at intervals on the tunnel curb, which saves materials and constitutes a IF information flow, it is convenient for the driver to control the speed of the vehicle.

More specifically, the belt line 7 is set as a green belt line on the side wall of the main road, and is set as a yellow belt line on the side wall of the secondary road. A pattern of two white inducing small arrows 9 is respectively set, and the spacing between them is 4 to 5 m. Large inductive arrows 8 are set on the belt line 7 in the middle section of the tunnel interweaving area, and the spacing between them is 8 to 10 m. White LED reference bars 10 with arrows are arranged on the side walls of the middle section of the interweaving area, and the distance between them is 40-50m. With such a structure, it is convenient to use the belt line 7, the large inductive arrow 8, the small inductive arrow 9 and the white LED reference bar 10 with arrows to indicate the driving direction.

In practical applications, the belt line and the arrow above are used to guide the driver's sight, and different colors are set to distinguish the main road and the secondary road. The size of the arrow distinguishes the confluence area and other areas, which is convenient for the driver to distinguish. Improve the awareness of the confluence area.

More specifically, the flexible warning column 13 includes four flexible warning columns arranged on the guide line 14 at the nose end, and the distance between them is 2 to 3 m. The color of the flexible warning column 13 is red, and yellow reflective film is added. , the length of the yellow reflective film gradually decreases from 0.5 to 0.7m to 0.1 to 0.2m, and is arranged in the shape of an arrow. With such a structural arrangement, the flexible warning post 13 and the guide wire 14 have the effect of indicating the driving direction.

More specifically, the confluence warning sign 20 is set at the nose end, the main road is marked in black, and the secondary road is marked in yellow, the bottom plate of the confluence warning sign 20 is a white aluminum alloy plate, and the white aluminum alloy plates are diagonally opposite. Two yellow flashing lights 40 that can actively emit light are respectively arranged on the corners. The light intensity of the yellow flashing lights 40 is 30-50 cd, and each time the light is on for 0.5-1.0 s. With such a structural arrangement, the merging warning sign 20 facilitates the driver to distinguish the main road from the secondary road, and the yellow flashing light 40 improves the recognizability of the merging warning sign 20 .

More specifically, the yield signs 21 are set at the roadside positions of the front section and the end section of the secondary road before the tunnel merges, and the tunnel indicator 30 is set on the secondary road tunnel before the tunnel merges and on the main road before the tunnel merges. On the front and end tunnels of the road. With such a structural arrangement, the yield sign 21 is used to remind the driver of the secondary road to pay attention to yield.

In practical applications, the tunnel indicator 30 gives a downward-directed green indication arrow to a tunnel that is allowed to pass. Improve the driver's visual environment, make it easier for the driver to understand the tunnel situation, improve the driver's cognitive ability to tunnel transformation, improve the driver's visual distance, improve the level and systematicness of the guidance information in the merging area, and improve the efficiency of the merging area. traffic efficiency.

More specifically, the raised road signs 12 are arranged on the tunnel edge lines of the main road and the secondary road, and the distance between them is 8 to 10 m. The virtual and solid steering arrows 22 are arranged on the secondary road, and the straight line part is a dotted line, and the arrow part is a dashed line. Using a solid line, let the row marking 23 be placed on the secondary road. The adoption of such a structure can better guide the drivers of the secondary road to penetrate the main road in the middle and rear sections of the merging area, so as to avoid stopping in the first half of the road, resulting in congestion of the secondary road at the nose end.

More specifically, the fishbone-shaped deceleration marking 25 is set on the road surface of the main road and the secondary road before the tunnel merges, with a distance of 40 to 50 m, an inner angle of 45° to 60°, and an outer angle of 90° to 120°. °, the virtual and real marking line 26 decreases gradually from the width of 1 to 2 m at the nose end to the width of 20 to 40 cm at the edge of the main road tunnel. With such a structural arrangement, the driver is prompted to decelerate through the fishbone-shaped deceleration marking 25 . The driver is reminded to distinguish the junction of the main road and the secondary road by the virtual and real marking line 26 .

More specifically, the small inductive arrows 9 on the belt line 7 are arranged at a distance of 4 to 5 m, and constitute a high-frequency visual information flow with a frequency of 3.0 to 4.5 hz. The curb façade marks 3 and the large inductive arrows 8 The distance between the raised road signs 12 is 8 to 10 meters, forming an intermediate frequency visual information flow with a frequency of 1.5 to 2.0 Hz. The main road reflective ring 1, the LED reference bar 10 and the fishbone-shaped deceleration marking 25 are arranged at a distance of 40 meters. ~50 meters, forming a low-frequency visual information flow of 0.3 ~ 0.4hz. With this structure, the multi-frequency omnidirectional information establishes a strong visual reference system, so that the driver's psychological perception speed is better than the actual physical speed, thereby ensuring driving safety.

It should be noted that the present invention utilizes the principle of retroreflection on the curb elevation marking 3, the belt line 7, the flexible warning post 13, and the fishbone-shaped deceleration marking 25, and adopts low-cost and highly reflective road traffic signs and sight lines. Guidance signs do not involve large-scale road infrastructure, low investment, easy construction, and quick results, ensuring warning and inductiveness to drivers in the tunnel; yellow flashing lights 40 are used on the merging warning signs 20, and all tunnels are installed The tunnel indicator 30 is provided, which ensures the visibility in the dark environment in the tunnel, improves the driver's visual environment, allows the driver of the second road to discover the corresponding signs in advance, and has enough time to make a joint behavior, so as to increase the corresponding traffic signs and inducement. The low-cost method of the sign ensures the fast and safe passage of vehicles on the main road and the efficient passage of vehicles on the secondary road into the main road, realizing the safety, efficiency and stability of the traffic in the junction area of the underground interchange, and at the same time realizing low-carbon energy saving.

The technical solutions in the embodiments of the present invention have been described above, but the present invention is not limited to the above-mentioned specific embodiments. The above-mentioned specific embodiments are only illustrative rather than restrictive. Under the inspiration of the present invention, without departing from the scope of protection of the spirit of the present invention and the claims, many forms can be made, which all fall within the protection scope of the present invention.

Claims (10)

1. An underground interchange merging sight inducing system is characterized in that: comprising a side wall sight inducing system, a sign inducing system and a pavement inducing system, and the side wall sight inducing system is composed of a reflective ring (1), a curb elevation mark ( 3), a belt line (7), a large inducing arrow (8), a small inducing arrow (9) and an LED reference bar (10); the sign inducing system is composed of a flexible warning column (13), a confluence warning sign (20) , a yield sign (21) and a tunnel indicator (30); the road surface guidance system consists of a raised road sign (12), a diversion line (14), a virtual and solid turning arrow (22), and a yield line (23) , a fishbone-shaped deceleration marking line (25) and a virtual and real marking line (26). 2. An underground interchange merging sight-inducing system according to claim 1, characterized in that: the reflective ring (1) comprises three blue reflective rings arranged on the side wall of the main road before the tunnel merges. The installation distance is 40-50m, and the three red reflective rings are installed on the side wall of the secondary road before the tunnel merges, and the installation spacing is 20-25m, and the four blue reflective rings are installed on the side wall of the main road after the merge. The reflective ring is set at a distance of 40-50m. 3. An underground interchange merging sight inducing system according to claim 1, characterized in that: the curb elevation mark (3) is arranged at the lower edge and the top position of the sidewall curb stone of the main road and the secondary road, and For every 8-10m of curb length, 2-4m of curb elevation marks are set, and the side walls of the main road are set to be green and white, and the side walls of the secondary road are set to be yellow and black. 4. An underground interchange merging sight inducing system according to claim 1, characterized in that: the belt line (7) is set to green on the side wall of the main road, set to yellow on the side wall of the secondary road, The belt lines (7) in the front section of the tunnel interweaving area and the back section of the tunnel interweaving area are respectively provided with a combination of two white inducing small arrows (9) patterns, and the distance between them is 4-5m. (7) Large inductive arrows (8) are arranged on the top, and the distance between them is 8-10m. White LED reference bars (10) with arrows are arranged on the side walls of the middle section of the tunnel interweaving area, and the distance between them is 40-50m. . 5. An underground interchange merging sight inducing system according to claim 1, characterized in that: the flexible warning post (13) comprises four flexible warning posts arranged on the guide line (14) at the nose end position, The installation spacing is 2-3m, the body color of the flexible warning post (13) is red, and yellow reflective film is added, and the length of the yellow reflective film decreases sequentially from 0.5-0.7m to 0.1-0.2m, arranged in the shape of an arrow. 6. An underground interchange merging sight inducing system according to claim 1, characterized in that: the merging warning sign (20) is arranged at the nose position, and the main road is black on the pattern, and the secondary road is yellow, so that the The bottom plate of the confluence warning sign (20) is a white aluminum alloy plate, and two yellow flashing lights (40) that can actively emit light are respectively provided on the diagonal corners of the white aluminum alloy plate, and the light intensity of the yellow flashing lights (40) is 30 ~50cd, 0.5 ~ 1.0s each time. 7 . The line-of-sight guidance system for an underground interchange according to claim 1 , wherein the yield sign ( 21 ) is set at the roadside position of the front section and the end section of the secondary road before the tunnel merges, and the tunnel The indicator (30) is arranged on the secondary road tunnel before the tunnels merge, and on the front and end tunnels of the main road before the tunnels merge. 8 . The line-of-sight guidance system for an underground interchange according to claim 1 , wherein the raised road signs ( 12 ) are arranged on the tunnel edge lines of the main road and the secondary road, and the distance between them is 8 to 10 m. 9 . , the virtual and real steering arrows (22) are arranged on the secondary road, and the straight part thereof adopts a dotted line, and the arrow part adopts a solid line, and the yield line (23) is arranged on the secondary road. 9. An underground interchange merging line of sight inducing system according to claim 1, characterized in that: the fishbone-shaped deceleration marking (25) is arranged on the road surface of the main road and the secondary road before the tunnel merges, and the setting spacing is 40～50m, the inner angle is 45°～60°, the outer angle is 90°～120°, the virtual and solid marking line (26) decreases from 1～2m width at the nose end position to 20～40cm width at the edge line of the main road tunnel . 10 . The sight-inducing system for an underground interchange and merging according to claim 1 , wherein the small inductive arrows ( 9 ) on the belt line ( 7 ) are arranged at a distance of 4 to 5 m, and the composition frequency is 3.0 ～4.5hz high-frequency visual information flow, the distance between the curb facade marks (3), the large induced arrows (8) and the raised road signs (12) is 8-10 meters, and the composition frequency is 1.5-2.0hz The intermediate frequency visual information flow of the main road, the main road reflective ring (1), the LED reference strip (10) and the fishbone-shaped deceleration marking (25) are all arranged at a distance of 40 to 50 meters, forming a low frequency visual information of 0.3 to 0.4 Hz. flow.

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