CN115094796A - A method for improving road vision-induced environment - Google Patents

Abstract

The invention discloses a method for improving a visual induction environment of a road, which is characterized in that in a second-level and lower-level road section with the speed limit of 60-80 Km/h, high-frequency double-sided reflective raised road signs are arranged beside the side lines of the road, low-frequency column type delineators are arranged on the outer side of the road surface, and medium-frequency guide marking lines are arranged on hard road shoulders between the raised road signs and the column type delineators. According to the invention, the visual information reference system with high, medium and low frequencies is constructed through the visual induction facility, and the visual reference information with high, medium and low frequencies is combined, so that the visual reference environment of a driver on a road section is improved, the driving behavior of the driver is improved, the driver is helped to keep reasonable speed and safe distance, and traffic accidents are reduced.

Description

A kind of road vision-induced environment improvement method

technical field

The invention relates to the technical field of road tunnel traffic safety, in particular to a method for improving a road visual induction environment.

Background technique

The visual reference environment in the driving environment has a direct impact on the driver's driving response and driving safety. A research survey shows that more than 90% of the traffic information of the driver is obtained through vision during the driving process. This information constitutes the road visual reference environment. When the driver drives on the second-level or lower highway, especially in the long straight road section with single road environment and no lighting at night, the driver will underestimate the speed and overestimate the following distance, which will easily induce the driver's unconscious acceleration behavior and mistakes. Determine the safe distance of the vehicle, and then cause the traffic accident of driving speeding and rear-end collision.

According to the research, the driver of the vehicle will construct a visual information reference system according to the surrounding road environment and traffic facilities in the process of driving, and use this system to perceive and judge the distance and speed of the vehicle. In visual research, velocity can be expressed as the ratio of temporal frequency to spatial frequency, where temporal frequency is the number of presentation cycles per second of the stimulus, and spatial frequency is the number of discontinuities per unit length of the stimulus. In essence, in such a visual information system composed of road environment and traffic facilities, through the periodic change of traffic facilities, that is, the number of cycles per second of traffic facilities in the driver's line of sight, it provides the driver with the perception of driving speed and the speed of the vehicle. distance judgment. The higher the time frequency, the more the number of presentation cycles of the traffic guidance facility, and the faster the perception speed; the lower the time frequency, the less the number of presentation cycles of the traffic guidance facility, and the slower the perception speed.

SUMMARY OF THE INVENTION

The present invention is mainly to solve the problem that traffic accidents are prone to occur in the environment of long straight road sections with single road environment and no lighting at night, and provides a road visual induction environment improvement method. Protruding road signs and column outlines with specific frequencies are set on the road. It can improve the visual information reference environment of drivers on the long and straight sections of the highway, and help the drivers to reasonably control the speed and safe distance between the vehicles on the long and straight sections of the highway.

In order to achieve the above object, the present invention adopts the following technical solutions:

A method for improving the visual induction environment of a road. A high-frequency double-sided reflective raised road sign is arranged beside the road side line, a low-frequency column delineator is arranged on the outside of the road surface, and a hard shoulder between the raised road sign and the column delineator is arranged. Set the diversion reticle on the mid-frequency. In the present invention, high-frequency double-sided reflective protruding road signs are arranged beside the road edge line in the second-grade and lower-grade highway sections with a speed limit of 60-80 Km/h, and a low-frequency column outline mark is arranged on the outside of the road surface. Diversion reticle for frequency in hard shoulder setup. The present invention is aimed at the environment of long straight road sections with single road environment and no lighting at night, and the present invention improves the driver's sense of speed by arranging high-frequency visual induction information consisting of double-sided luminous protruding road signs beside the road edge line; Set mid-frequency diversion markings to improve the driver's distance perception; set low-frequency column delineators to ease the driver's sense of tension. It forms a kind of visual information with spatial frequency changes for the driver, which can improve the driver's sense of speed; the combination of high, medium and low frequency visual reference information can improve the driver's visual reference environment on the road section, and reasonably control the speed and safe distance. , reduce traffic accidents. The present invention constructs a visual information reference system of high, medium and low frequency through the visual induction facility, which helps to improve the driving behavior of the driver and maintain a reasonable vehicle speed and safe vehicle distance.

Preferably, the high-frequency protruding road signs are set by the setting method of gradual spacing, and the high-frequency protruding road signs and the medium-frequency diversion marking lines constitute a medium-frequency visual induction environment.

Preferably, the low-frequency column delineators are set using a setting method of gradual spacing, and the low-frequency column delineators and the medium-frequency diversion lines form a low-intermediate frequency visual induction environment.

Preferably, the protruding road signs are arranged at a period of 150-200m, and at a distance of 10m or 5m.

Preferably, the periodically varying high-frequency visual induction information formed by the protruding road sign in the driving environment has a temporal frequency of 1.66 Hz to 4.44 Hz. The driver's sense of speed is enhanced by setting high-frequency visual induction information consisting of double-sided luminous raised road signs next to the road edge line.

Preferably, the distance between the column delineators is 32m or 24m.

Preferably, the stable low-frequency visual induction information formed by the column delineator in the driving environment has a temporal frequency of 0.52 Hz to 0.94 Hz. Set low-frequency delineators to ease the driver's nervousness.

Preferably, the setting period of the diversion marking lines is 360m, and the three diversion marking lines are in a group, and 10 groups are arranged according to the interval of 18m groups.

Preferably, the stable intermediate frequency visual induction information formed by the diversion marking line in the driving environment has a time frequency of 0.92 Hz to 1.11 Hz. Set the diversion line of the medium frequency to improve the driver's distance perception.

Therefore, the advantages of the present invention are:

(1) By setting the high-frequency visual induction information consisting of double-sided luminous raised road signs next to the road edge line of the highway section, and setting the medium-frequency diversion marking line on the right hard shoulder of the high-frequency double-sided luminous raised road signs , and the two kinds of visual induction information have consistent periodic changes, forming a visual reference system with different frequency changes, forming a visual information with spatial frequency changes for the driver, which can improve the driver's sense of speed and make the driver subconsciously. Following this spatial frequency change, the vehicle speed is controlled, and the driver's visual reference environment on the road section is improved;

(2) The low-frequency column delineator is set on the roadside, and the periodic change is unchanged, which helps to provide road boundary information stably, and forms visual stimuli with different frequencies of high, medium and low frequencies with the high and medium frequency visual induction information;

(3) It does not involve large-scale construction of road facilities, with less investment and convenient construction, which can improve the sight guidance and driving safety of highway sections at a very low cost.

Description of drawings

FIG. 1 is a layout diagram of a visual induction facility in an embodiment of the present invention.

FIG. 2 is an enlarged view of part A in FIG. 1 .

1. Protruding road signs 2. Column outline signs 3. Diversion marking lines.

Detailed ways

The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

As shown in Figure 1 and Figure 2, a road visual induction environment improvement method is to set high-frequency double-sided reflective protrusions next to the road edge line in the second-level and lower-level highway sections with a speed limit of 60-80Km/h Road sign 1, set a low-frequency column delineator 2 on the outside of the road surface, and set a medium-frequency diversion mark on the hard shoulder between the high-frequency double-sided reflective protruding road marker 1 and the low-frequency column delineator 2 Line 3.

The high-frequency protruding road sign 1 adopts the setting method of gradual spacing, and forms a medium-high frequency visual induction environment with the guide line 3 of the medium frequency; Streamline 3 constitutes a low-to-mid frequency visually-inducing environment.

The high-frequency double-sided reflective road signs 1 are set at a period of 150 to 200m, and are set in a manner of not less than 10 groups at 10-meter intervals and not less than 5 groups at 5-meter intervals; high-frequency double-sided reflective road signs 1 are set in the driving environment. The high-frequency visual induction information of the periodic change is formed, and the time frequency is 1.66Hz ~ 4.44Hz.

The low-frequency column delineators 2 are set at equal intervals of 32m or 24m; the stable low-frequency visual induction information formed by the low-frequency column delineators 2 in the driving environment has a time frequency of 0.52Hz to 0.94Hz.

The setting period of the intermediate frequency diversion marking 3 is 360m, and the three diversion markings 3 are set in a group, and 10 groups are set according to the interval of 18m; the stable intermediate frequency visual induction information formed by the intermediate frequency diversion marking 3 in the driving environment , the time frequency is between 0.92Hz and 1.11Hz.

The above content is only a specific embodiment of the present application, but the protection scope of the present application is not limited to this. Covered within the scope of protection of this application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (9)

1. a road visual induction environment improvement method, it is characterized in that, a high-frequency double-sided reflective protruding road sign is set beside the road side line, a low-frequency column outline mark is set on the outside of the road surface, and the raised road sign and the column outline are arranged. Set mid-frequency diversion markings on the hard shoulders between the markings. 2. a kind of highway visual induction environment improvement method according to claim 1, is characterized in that, high-frequency protruding road signs adopt the setting method of pitch gradient to set, and high-frequency protruding road signs and medium-frequency diversion marking lines are formed Visually evoking environments at mid-high frequencies. 3. a kind of highway visual induction environment improvement method according to claim 1 is characterized in that, the column delineator of low frequency adopts the setting method of pitch gradient to set, the column delineator of low frequency and the guide of medium frequency are set. Streamline lines form a visually inducing environment with low-to-mid frequencies. 4 . The method for improving the visual induction environment of a highway according to claim 2 , wherein the protruding road signs are set at a period of 150 to 200 m, and at a spacing of 10 m or 5 m, and are not less than 10 groups or 5 m according to the spacing of 10 m. 5 . Set the distance in a way of not less than 5 groups. 5 . The method for improving a highway visual induction environment according to claim 2 , wherein the periodically varying high-frequency visual induction information formed by the protruding road signs in the driving environment has a time frequency of 1.66 Hz to 4.44. 6 . Hz. 6 . The method for improving a road visual induction environment according to claim 3 , wherein the distance between the column delineators is 32m or 24m. 7 . 7 . The method for improving a highway visual induction environment according to claim 3 , wherein the stable low-frequency visual induction information formed by the column delineator in the driving environment has a time frequency of 0.52 Hz to 0.94. 8 . Hz. 8 . The method for improving the visual induction environment of a highway according to claim 1 , wherein the setting period of the diversion marking line is 360m, and three diversion marking lines are a group, and 10 groups are set according to the 18m group spacing. 9 . . 9 . The method for improving a road visual induction environment according to claim 1 or 8 , wherein the stable intermediate frequency visual induction information formed by the diversion marking line in the driving environment has a time frequency of 0.92 Hz to 1.11. 10 . Hz.

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