CN114934461A - Speed management system for urban expressway in fog area - Google Patents
Speed management system for urban expressway in fog area Download PDFInfo
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- CN114934461A CN114934461A CN202210436484.9A CN202210436484A CN114934461A CN 114934461 A CN114934461 A CN 114934461A CN 202210436484 A CN202210436484 A CN 202210436484A CN 114934461 A CN114934461 A CN 114934461A
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- 230000006698 induction Effects 0.000 claims abstract description 34
- 238000012544 monitoring process Methods 0.000 claims abstract description 8
- 238000012790 confirmation Methods 0.000 claims description 19
- 230000010355 oscillation Effects 0.000 claims description 11
- 230000006870 function Effects 0.000 claims description 7
- 239000003550 marker Substances 0.000 claims description 4
- 239000003086 colorant Substances 0.000 claims description 3
- 239000012528 membrane Substances 0.000 claims description 2
- 230000001939 inductive effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000003595 mist Substances 0.000 description 3
- 206010039203 Road traffic accident Diseases 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 230000002265 prevention Effects 0.000 description 1
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- 230000001360 synchronised effect Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/40—Arrangements responsive to adverse atmospheric conditions, e.g. to signal icy roads or to automatically illuminate in fog; Arrangements characterised by heating or drying means
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/50—Road surface markings; Kerbs or road edgings, specially adapted for alerting road users
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
- E01F9/604—Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings
- E01F9/615—Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings illuminated
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
- E01F9/658—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by means for fixing
- E01F9/669—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by means for fixing for fastening to safety barriers or the like
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/091—Traffic information broadcasting
- G08G1/094—Hardware aspects; Signal processing or signal properties, e.g. frequency bands
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
Abstract
The invention relates to a vehicle speed management system for a city expressway in a fog area, which comprises a self-feedback speed-limiting distance control system, an induction system, an information acquisition system, an information release system, an early warning system and an anti-collision guardrail automatic monitoring system, wherein the self-feedback speed-limiting distance control system is connected with the induction system; the self-feedback speed-limiting distance-controlling system comprises double-circular road surface marks, a vehicle distance confirming color block and a self-feedback speed-limiting sign, wherein the double-circular road surface marks are continuously arranged on two sides of a fog area road section, the vehicle distance confirming color block is arranged on the road surface in the middle of the fog area road section, and the self-feedback speed-limiting sign is arranged at the position of the starting point of the fog area road section. The invention can achieve the effects of early warning in advance, managing the speed of the vehicle, controlling the distance between the vehicles, determining the right of the transverse road, preventing collision and improving the safety under the foggy weather condition.
Description
Technical Field
The invention relates to the field of speed management of urban expressway fog areas, in particular to a vehicle speed management system of urban expressway fog areas.
Background
Fog weather is random, sudden and difficult to predict, road visibility and road surface adhesion coefficient can be greatly reduced in a short time, adverse effects are brought to driving safety of drivers, and even traffic accidents are induced. In recent years, the foggy weather in China is more frequent, and the safety of urban expressways is seriously threatened. In the foggy weather, visibility of drivers is reduced, the reduction of visibility can cause the proportion of the drivers to acquire related traffic information (such as the moving direction of highways, vehicles in front and the like) to be reduced, the proportion of two other secondary information (dense fog visual backgrounds) is increased, the drivers cannot acquire enough information to correctly judge road conditions in front, identification of road facilities such as traffic signs and the like is difficult, hesitation, negligence and even fatal illusion are generated, and the determination of the distances between vehicles and the speed of the vehicles by the drivers is caused to be wrong. This causes psychological stress on the driver, which makes the driver more heavily loaded and more fatigued, and greatly increases the possibility of traffic accidents. Therefore, a complete, safe and low-cost urban expressway management system for the fog area is urgently needed.
Disclosure of Invention
The invention aims to solve the technical problem of providing a vehicle speed management system for urban expressway in fog area, which can manage vehicles on urban expressway with speed limit of 40-90 km/h under the condition of foggy weather of different degrees, so as to achieve early warning, vehicle speed management, vehicle distance control, transverse right of way definition, collision prevention and safety effect improvement under the condition of foggy weather.
The technical scheme adopted by the invention for solving the technical problems is as follows: constructing a vehicle speed management system of a city expressway in a fog area, which comprises a self-feedback speed-limiting distance control system, an induction system, an information acquisition system, an information release system, an early warning system and an anti-collision guardrail automatic monitoring system;
the self-feedback speed-limiting distance-controlling system comprises double-circular road surface marks, a vehicle distance confirmation color block and a self-feedback speed-limiting sign, wherein the double-circular road surface marks are continuously arranged on two sides of a fog area road section, the vehicle distance confirmation color block is arranged on a road surface in the middle of the fog area road section, and the self-feedback speed-limiting sign is arranged at the position of a starting point of the fog area road section;
the induction system comprises a crisscross linear induction mark and oscillation marked lines, the crisscross linear induction mark is arranged on two sides of the fog area road section, and the oscillation marked lines are arranged on two sides of the fog area road section;
the information acquisition system comprises a meteorological detector and a visibility detector, and the meteorological detector and the visibility detector are arranged at the starting point of the foggy section;
the information issuing system comprises a first LED variable information board, a second LED variable information board, a first wireless broadcast and a second wireless broadcast, wherein the first LED variable information board and the first wireless broadcast are arranged at the starting point of a fog area road section by 1-2km, and the second LED variable information board and the second wireless broadcast are arranged at the middle section of the fog area road section;
the early warning system comprises a first early warning mark, a second early warning mark, a third early warning mark, a fog region length forenotice mark and a fog region parking strip forenotice mark, wherein the first early warning mark is arranged at the front 3km of the starting point of a fog region road section, the second early warning mark is arranged at the front 1.5km of the starting point of the fog region road section, the third early warning mark is arranged at the front 500m of the starting point of the fog region road section, the fog region length forenotice mark is arranged at the starting point of the fog region road section, and the fog region parking strip forenotice mark is arranged at the front 500m of the parking strip of the fog region road section;
the anti-collision guardrail automatic monitoring system comprises a safety outline indicating lamp, and the safety outline indicating lamp is arranged on guardrail upright rods on two sides of a fog area road section.
According to the scheme, the double-circular pavement markers are arranged on the marked lines of the pavement in the fog area, and the distance between every two adjacent double-circular pavement markers is 20-25 m; the double-circular pavement marker is composed of two circular markers which have the same radius and are mutually overlapped, the distance between two centers of circles is the radius length, the colors of the circular markers are red and yellow respectively, and the yellow circles cover the red circles.
According to the scheme, the vehicle distance confirmation color blocks comprise three folding lines, a red folding line is sandwiched between two yellow folding lines, the inclination angle of each folding line is 55-65 degrees, the width of each folding line is 40 cm or 45cm, the vehicle distance confirmation color blocks are arranged at intervals of 3m, three vehicle distance confirmation color blocks are continuously arranged to form a group, and the group is arranged at intervals of 300-500 m on the section of the foggy zone section.
According to the scheme, the self-feedback speed-limiting sign is arranged at the starting point of the fog area road section by adopting a cantilever type sign, and the cantilever type sign comprises three double-circular patterns corresponding to the speed limit of 90km/h, two double-circular patterns corresponding to the speed limit of 70km/h, one double-circular pattern corresponding to the speed limit of 50km/h and 20km/h speed limit corresponding to no pattern.
According to the scheme, the cross-shaped linear induction mark comprises a vertical linear induction mark and a transverse linear induction mark; the vertical linear induction mark is a single-column mark, the height of the lower edge from the ground is not lower than 1.5m, the length is 2 m-3 m, the height is 4-4.5 m, the transverse linear induction mark is arranged on the wavy beam guardrails on two sides of the fog area road section, and the retro-reflection surface is vertical to the center line of the road; the linear induced mark surface of cruciform is provided with the reflective membrane, five ways of the linear induced mark of cruciform are a set of and adjacent interval 40m, the first kilometer in fog area highway section all sets up for both sides, the second kilometer in fog area highway section only sets up the road left side, the third kilometer in fog area highway section only sets up the road right side.
According to the scheme, the appearance of the oscillation marked line is concave-convex and is arranged on two sides of a fog area road, the height of the base and the protruding part of the oscillation marked line is 5-7mm, the width of the base and the protruding part of the oscillation marked line is 150/200mm, and a white solid line is adopted.
According to the scheme, the heights of the meteorological detector and the visibility detector are larger than 2m, and the distance between the meteorological detector and the visibility detector is 1-2 km.
According to the scheme, the first wireless broadcast and the first LED variable information board are arranged on the same vertical rod by adopting a door frame type mark, and the second wireless broadcast and the second LED variable information board are arranged on the same vertical rod by adopting a door frame type mark; the whole screen power of the first LED variable information board and the second LED variable information board is 0.6kw, the brightness is more than or equal to 8000 cd/square meter, and the height of the lower edge of the screen of the variable information board from the ground is not lower than 2 m.
According to the scheme, the first early warning mark, the second early warning mark, the third early warning mark, the fog area length early warning mark and the fog area parking strip early warning mark are all cantilever type marks and are green backgrounds and white fonts; the white font content of the first early warning mark is 'fog zone road section, the front is 3 km', the white font content of the second early warning mark is 'fog zone road section, the front is 1.5 km', the white font content of the third early warning mark is 'fog zone road section, the front is 500 m', and the white font content of the fog zone length early warning mark is 'fog zone road section, the total length is 4 km'; the font size of the white font 'fog section' of the first early warning mark, the second early warning mark, the third early warning mark and the fog section length early warning mark is 1.2-1.5 times of the font size of the 'front', and the font size of the white font 'front' is 1.1-1.3 times of the font size of the numbers and the English font.
According to the scheme, the safety outline-indicating lamp is arranged on the guardrail upright rod through the fixing rod piece, the distance between the adjacent safety outline-indicating lamps is 50-60 m, the outline-indicating and prompting functions are realized when the safety outline-indicating lamps flicker yellow lamps, the functions of warning and vehicle trail tracking are realized when the safety outline-indicating lamps flicker red lamps, and the safety outline-indicating lamps comprise adjustable solar panel supports and 5-8Wp solar panels.
The implementation of the fog region city expressway vehicle speed management system has the following beneficial effects:
1. according to the invention, the double-circular road surface mark and the self-feedback speed-limiting sign are arranged on the urban expressway fog area road section, so that the speed of vehicles running on the fog area road section is managed, the self-feedback degree is high, and the understanding of a driver is facilitated;
2. in order to meet the driving task requirement of a driver for knowing the road condition of a fog area, the weather detector and the visibility detector are arranged in the fog area, the first LED variable information board and the first wireless broadcast are arranged 1km ahead of the fog area, and the second LED variable information board and the second wireless broadcast are arranged in the middle section of the fog area, so that the driver can know the road condition of the fog area in time and make correct operation.
3. According to the invention, the cross-shaped linear induction mark, the oscillation marking line, the second LED variable information board and the safety outline indicating lamp are arranged in the fog area road section, so that a driver can be reminded at intervals that the road section is the fog area road section, the speed of the vehicle needs to be controlled, and the driver can drive cautiously;
4. the invention adopts the retro-reflection principle on the double-circular pavement markers and the vehicle distance confirmation color blocks and adopts the sight line induction mark with low cost and high light reflection performance;
5. the cross-shaped linear induction mark, the oscillation marking line and the safety outline indicating lamp are arranged in the fog area road section, so that the transverse road right can be determined, a driver is reminded to keep the direction feeling, and the driving safety in the fog area is improved.
6. The invention mainly aims at the road environment of the foggy areas in the daytime and at night, is compatible with various weather conditions such as haze, rain, snow and the like, ensures that the road still has the traffic capacity in bad weather, reduces the influence on traffic and realizes the full-time guarantee.
7. The quality of the road surface mark is guaranteed for more than 3 years, the quality of the roadside sign is guaranteed for more than 10 years, the cost is low, and the construction is easy.
Drawings
The invention will be further described with reference to the following drawings and examples, in which:
FIG. 1 is a schematic diagram of the overall structure of a vehicle speed management system for a fog region city express way;
FIG. 2 is a schematic view of a double-round pavement marking structure of the present invention;
FIG. 3 is a schematic view of the spacing confirmation color block structure of the present invention;
FIG. 4 is a schematic structural diagram of the self-feedback speed limit sign of the present invention;
FIG. 5 is a schematic diagram of a cross-shaped linear induction mark according to the present invention;
FIG. 6 is a schematic view of a first mist zone warning sign according to the present invention;
FIG. 7 is a schematic diagram of a second mist zone warning sign according to the present invention;
FIG. 8 is a schematic view of a third mist zone warning sign according to the present invention;
FIG. 9 is a schematic view of the fog region length predictor marking structure of the present invention;
fig. 10 is a schematic view of the structure of the fog-zone parking strip forenotice sign of the invention.
Detailed Description
For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
As shown in fig. 1-10, the speed management system for urban expressway in fog area of the invention comprises a self-feedback speed-limiting distance control system, an induction system, an information acquisition system, an information release system, an early warning system, and an anti-collision guardrail automatic monitoring system. The self-feedback speed-limiting distance-controlling system comprises double-circular pavement markers 1 continuously arranged on two sides of a fog area road section, a vehicle distance confirmation color block 2 arranged on a pavement in the fog area road section and a self-feedback speed-limiting sign 3 arranged at the starting point position of the fog area road section. The induction system comprises crossed linear induction marks 4 arranged on two sides of the fog area road section and oscillation marked lines 5 arranged on two sides of the road surface of the fog area road section. The information acquisition system comprises a meteorological detector 6 and a visibility detector 7 which are arranged at the starting point of a fog area road section. The information issuing system comprises a first LED variable information board 8 and a first wireless broadcast 9 which are arranged 1-2km ahead of the fog area road section, and a second LED variable information board 10 and a second wireless broadcast 11 which are arranged in the middle section of the fog area road section. The early warning system comprises a first fog region early warning mark 12 arranged 3km in front of a fog region road section, a second fog region early warning mark 13 arranged 1.5km in front of the fog region road section, a third fog region early warning mark 14 arranged 500m in front of the fog region road section, a fog region length forenotice mark 15 arranged at the starting point position of the fog region road section, and a fog region parking zone forenotice mark 16 arranged 500m in front of a parking zone of the fog region road section. The anti-collision guardrail automatic monitoring system comprises safety outline indicating lamps 17 continuously arranged on guardrail upright rods on two sides of a fog area road section.
In the preferred embodiment of the invention, the self-feedback speed-limiting distance-controlling system consisting of the double-circular road surface mark 1, the vehicle distance confirmation color block 2 and the self-feedback speed-limiting sign 3 is used for realizing speed-limiting guidance for the driver, reminding the driver to pay attention to control the distance between the driver and the front vehicle and improving the driving safety under the foggy weather condition. The guiding system composed of the crossed linear guiding mark 4 and the oscillating marking 5 is used for realizing the direction guiding of the driver and helping the driver to define the lateral road right. The detection of the fog concentration of the urban expressway fog area road sections is realized through an information acquisition system consisting of a meteorological detector 6 and a visibility detector 7. Through the information issuing system composed of the first LED variable information board 8, the first wireless broadcast 9, the second LED variable information board 10 and the second wireless broadcast 11, the fog concentration information acquired by the information acquisition system is issued, the road condition is informed to the driver, the driver is reminded of cautious driving, and safety is noticed. The early warning system is composed of a first fog area early warning sign 12, a second fog area early warning sign 13, a third fog area early warning sign 14, a fog area full-length forenotice sign and a fog area parking belt forenotice sign 16, so that multistage early warning and full-length forenotice of drivers are realized, traffic flow on urban expressways in fog areas is reasonably managed and guided, the hierarchy of the system is improved, the traffic efficiency is improved, and the driving safety is ensured. Through the anti-collision guardrail automatic monitoring system formed by the safety outline indicating lamps 17, the driving guidance of a driver in a fog area road section is realized, and the driver is prevented from colliding with the guardrail.
In practical application, the method is suitable for urban expressway sections which are easy to form foggy weather, can reasonably manage the speed of the vehicle according to foggy weather conditions with different visibility, reminds a driver to keep a safe distance and helps the driver to define the right of the transverse road, ensures the driving safety of the vehicle under the foggy weather condition and improves the passing efficiency of the urban expressway.
In the preferred embodiment of the invention, the double-circular pavement markers 1 and the vehicle distance confirmation color blocks 2 both adopt a retro-reflection principle, adopt sight line induction marks with low cost and high light reflection performance, do not relate to large-scale road infrastructure, and have the advantages of low investment, easy construction and quick response. The distance between two adjacent double-circular pavement markers 1 is 20-25 m, and the double-circular pavement markers 1 are arranged in pavement markings of a fog section to form one double-circular pavement marker 1; the double-circular pavement marker 1 specifically comprises: the radius lengths of the two circles are the same, the colors of the two circles are red and yellow respectively, the yellow circle covers the red circle, and the distance between the centers of the two circles is the radius length. The vehicle distance confirmation color blocks 2 comprise three fold lines in total, a red fold line is clamped between two yellow fold lines, the angle of the fold lines is 55-65 degrees, the width of each fold line is 40 cm or 45cm, the vehicle distance confirmation color blocks 2 are arranged every 3m, the three vehicle distance confirmation color blocks 2 are continuously arranged into a group, and the group is arranged on a road section of a fog area road section at the interval of 300-500 m. By adopting the structure, the color block 2 for confirming the vehicle distance is convenient for a driver to confirm the vehicle distance with the front vehicle, and simultaneously prompts the driver to decelerate and keep a safe distance with the front vehicle.
In the preferred embodiment of the present invention, the self-feedback speed limit sign 3 is a cantilever type sign, and the cantilever type sign comprises three double-circular patterns corresponding to a speed limit of 90km/h, two double-circular patterns corresponding to a speed limit of 70km/h, one double-circular pattern corresponding to a speed limit of 50km/h, and a 20km/h speed limit corresponding to no pattern. The double-round pavement markers 1 and the self-feedback speed limit signs 3 arranged in the invention indicate that when a driver can see three or more double-round pavement markers 1, the driver is judged to be in light fog weather, and the speed is limited by 90 km/h; when the driver can see the two double-circular pavement markers 1, judging the driver to be in medium fog weather, and limiting the speed to 70 km/h; when a driver can see a double-circular road surface mark 1, judging that the weather is heavy fog, and limiting the speed for 50 km/h; when the driver cannot see the double-circular road surface mark 1, the driver judges the weather of dense fog, limits the speed by 20km/h, performs speed management on vehicles running on the road section of the fog area, and is high in self-feedback degree and convenient for the driver to manage. By adopting the structure, the speed management of the driver is assisted, the self-feedback degree is high, and the driver can understand the speed management conveniently.
In the preferred embodiment of the invention, the color of the reflective film arranged on the surface of the cross-shaped linear induction mark 4 is yellow and black, the inclined line is arranged at an angle of 45 degrees and has a width of 35-45 cm, five lines are repeatedly arranged at intervals of 40m to form a group, the first kilometer is arranged on both sides of the road, the second kilometer is arranged on the left side of the road, and the third kilometer is arranged on the right side of the road. The crossed linear induction mark 4 comprises a vertical linear induction mark and a transverse linear induction mark, the vertical linear induction mark adopts a single-column mark, the height of the lower edge from the ground is not lower than 1.5m, the length is 2 m-3 m, the height is 4 m-4.5 m, the transverse linear induction mark is arranged on the corrugated beam guardrails on the two sides of the fog area road section, and the retroreflection surface is perpendicular to the road center line. Thus, the setting method with variability can realize good road alignment induction function and can not cause too much psychological stress to drivers. The appearance of the oscillation marked line 5 is concave-convex, the height of the base and the protruding part is 5-7mm, the width is 150/200mm, and white solid lines are adopted as marked lines on two sides of the road. The meteorological detector 6 and the visibility detector 7 are arranged on the road side of the starting point of the foggy road section, the heights of the meteorological detector 6 and the visibility detector 7 are larger than 2m, and the distance between the adjacent meteorological detector 6 and the visibility detector 7 is 1 km.
In a preferred embodiment of the invention, the first LED variable information board 8 is arranged 1km in front of a fog area road section, the second LED variable information board 10 is arranged in the middle section of the fog area road section, the specifications of the first LED variable information board 8 and the second LED variable information board 10 are 150cm multiplied by 400cm, a portal frame type mark is adopted, the whole screen power is 0.6kw, the brightness is more than or equal to 8000 cd/square meter, and the height of the lower edge of a screen of the variable information board from the ground is not less than 2 m. The first wireless broadcast 9 is arranged 1km ahead of the road section in the fog area and is arranged on the same pole with the first LED variable information board 8; the second wireless broadcast 11 is disposed in the middle section of the fog section and is disposed on the same pole as the second LED variable information board 10.
In a preferred embodiment of the present invention, the first fog region early warning sign 12, the second fog region early warning sign 13, and the third fog region early warning sign 14 are all cantilever type signs, green backgrounds, and white characters. The first fog region early warning sign 12 is a fog region road section with a front 3km text content, the second fog region early warning sign 13 is a fog region road section with a front 1.5km text content, and the third fog region early warning sign 14 is a fog region road section with a front 500m text content; the font size of the fog area road section is 1.2-1.5 times of the font size of the front part, and the font size of the front part is 1.1-1.3 times of the font sizes of the numbers and the English characters. By adopting the structure, the sign is simple and easy to recognize, the emphasis is prominent, the memory is convenient, the multi-stage forenotice meets the psychological expectation of the driver, the driver can know the road condition in front conveniently, the corresponding operation is made in advance, and the hierarchy and systematicness of the early warning information in the fog area are improved. The fog region length forecasting sign 15 is a cantilever type sign, is a green background and white characters, and has character contents of a fog region road section with a total length of 4km, wherein the font size of the fog region road section is 1.2-1.5 times of the font size of the total length, and the font size of the total length is 1.1-1.3 times of the font size of numbers and English. By adopting the structure, the driver can know the road length in the fog area in advance, and the psychological pressure of the driver is relieved. The fog parking zone advance notice sign 16 arranged 500m in front of the fog parking zone adopts cantilever type signs, green backgrounds and white characters and figures. By adopting the structure, when the fog concentration is high, the position of the danger-avoiding parking area of the driver can be informed in advance, and the driving safety of the urban expressway fog area road section is ensured.
In the preferred embodiment of the invention, the safety outline-indicating lamp 17 is arranged on the upright stanchion of the guardrail through a fixed rod piece, the setting interval is 50m, the outline-indicating and prompting functions are realized when the safety outline-indicating lamp 17 flickers a yellow light, the functions of warning and tracking the trail of the vehicle are realized when the safety outline-indicating lamp 17 flickers a red light, and the safety outline-indicating lamp 17 comprises an adjustable solar panel support, a 5-8Wp solar panel, an energy storage module, synchronous control, charge-discharge control and transmission communication. Adopt such structure setting, not only can help the driver to confirm the distance with the front truck, can also help the driver to keep the position sense, the yellow light can also remind the driver to be in the fog region, needs prudent driving, and the red light enlarges vision warning effect, further deepens the vision stimulation.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. A vehicle speed management system for a city expressway in a fog area is characterized by comprising a self-feedback speed-limiting distance-controlling system, an inducing system, an information acquisition system, an information issuing system, an early warning system and an anti-collision guardrail automatic monitoring system;
the self-feedback speed-limiting distance-controlling system comprises double-circular road surface marks, a vehicle distance confirmation color block and a self-feedback speed-limiting sign, wherein the double-circular road surface marks are continuously arranged on two sides of a fog area road section, the vehicle distance confirmation color block is arranged on the road surface in the middle of the fog area road section, and the self-feedback speed-limiting sign is arranged at the position of the starting point of the fog area road section;
the induction system comprises a crisscross linear induction mark and oscillation marked lines, the crisscross linear induction mark is arranged on two sides of the fog area road section, and the oscillation marked lines are arranged on two sides of the fog area road section;
the information acquisition system comprises a meteorological detector and a visibility detector, and the meteorological detector and the visibility detector are arranged at the starting point of the foggy section;
the information issuing system comprises a first LED variable information board, a second LED variable information board, a first wireless broadcast and a second wireless broadcast, wherein the first LED variable information board and the first wireless broadcast are arranged at the starting point of the fog section for 1-2km, and the second LED variable information board and the second wireless broadcast are arranged at the middle section of the fog section;
the early warning system comprises a first early warning mark, a second early warning mark, a third early warning mark, a fog region length forenotice mark and a fog region parking strip forenotice mark, wherein the first early warning mark is arranged at the front 3km of the starting point of a fog region road section, the second early warning mark is arranged at the front 1.5km of the starting point of the fog region road section, the third early warning mark is arranged at the front 500m of the starting point of the fog region road section, the fog region length forenotice mark is arranged at the starting point of the fog region road section, and the fog region parking strip forenotice mark is arranged at the front 500m of the parking strip of the fog region road section;
the anti-collision guardrail automatic monitoring system comprises a safety outline indicating lamp, and the safety outline indicating lamp is arranged on guardrail upright rods on two sides of a fog area road section.
2. The fog region urban expressway vehicle speed management system of claim 1, wherein the double-circle pavement markers are arranged on the marked lines of the fog region pavement, and the distance between every two adjacent double-circle pavement markers is 20-25 m; the double-round pavement marker is composed of two round markers which have the same radius and are mutually overlapped, the distance between two centers of the two circles is the radius length, the colors of the round markers are red and yellow respectively, and the yellow round markers cover the red round markers.
3. The vehicle speed management system for the urban expressway in the fog area of claim 1, wherein the vehicle distance confirmation color block comprises three folding lines, a red folding line is sandwiched between two yellow folding lines, the folding lines are arranged at an inclination angle of 55-65 degrees, the width of each folding line is 40 cm or 45cm, the vehicle distance confirmation color blocks are arranged at intervals of 3m, three vehicle distance confirmation color blocks are continuously arranged in a group, and the vehicle distance confirmation color blocks are arranged at intervals of 300-500 m on the section of the fog area section.
4. The vehicle speed management system for the urban expressway in the fog area of claim 1, wherein the self-feedback speed limit signs are arranged at the starting positions of the sections of the fog area by adopting cantilever type signs, and the cantilever type signs comprise three double-circle patterns corresponding to a speed limit of 90km/h, two double-circle patterns corresponding to a speed limit of 70km/h, one double-circle pattern corresponding to a speed limit of 50km/h and a 20km/h speed limit corresponding to no pattern.
5. The fog region urban expressway vehicle speed management system of claim 1, wherein the cross-shaped linear induction mark comprises a vertical linear induction mark and a transverse linear induction mark; the vertical linear induction mark adopts a single-column type mark, the height from the lower edge to the ground is not lower than 1.5m, the length is 2 m-3 m, the height is 4-4.5 m, the transverse linear induction mark is arranged on the corrugated beam guardrails at two sides of the fog area road section, and the retro-reflection surface is vertical to the center line of the road; the linear induced mark surface of cruciform is provided with the reflective membrane, five ways of the linear induced mark of cruciform are a set of and adjacent interval 40m, the first kilometer in fog area highway section all sets up for both sides, the second kilometer in fog area highway section only sets up the road left side, the third kilometer in fog area highway section only sets up the road right side.
6. The vehicle speed management system for the fog city expressway of claim 1, wherein the oscillating marked line is concave-convex in shape and is arranged on two sides of the fog road, the height of the base and the protruding part of the oscillating marked line is 5-7mm, the width is 150/200mm, and a white solid line is adopted.
7. The vehicle speed management system for the urban expressway in the foggy area as claimed in claim 1, wherein the height of the meteorological detector and the visibility detector is greater than 2m, and the distance between the meteorological detector and the visibility detector is 1-2 km.
8. The fog region city expressway vehicle speed management system of claim 1, wherein the first wireless broadcast and the first LED variable information board are arranged on the same vertical bar by adopting a door frame type sign, and the second wireless broadcast and the second LED variable information board are arranged on the same vertical bar by adopting a door frame type sign; the whole screen power of the first LED variable information board and the second LED variable information board is 0.6kw, the brightness is larger than or equal to 8000 cd/square meter, and the height of the lower edge of the screen of the variable information board from the ground is not lower than 2 m.
9. The fog region urban expressway vehicle speed management system of claim 1, wherein the first early warning sign, the second early warning sign, the third early warning sign, the fog region length forenotice sign and the fog region parking strip forenotice sign are cantilever signs and are green backgrounds and white fonts; the white font content of the first early warning mark is 'fog zone road section, the front is 3 km', the white font content of the second early warning mark is 'fog zone road section, the front is 1.5 km', the white font content of the third early warning mark is 'fog zone road section, the front is 500 m', and the white font content of the fog zone length early warning mark is 'fog zone road section, the total length is 4 km'; the font size of the white font 'fog section' of the first early warning mark, the second early warning mark, the third early warning mark and the fog section length early warning mark is 1.2-1.5 times of the font size of the 'front', and the font size of the white font 'front' is 1.1-1.3 times of the font size of the numbers and the English font.
10. The fog region city expressway vehicle speed management system of claim 1, wherein the safety outline indicating lamps are arranged on the guardrail upright posts through fixing rod pieces, the distance between every two adjacent safety outline indicating lamps is 50-60 m, outline showing and prompting functions are realized when the safety outline indicating lamps twinkle yellow lamps, warning and vehicle trail tracking functions are realized when the safety outline indicating lamps twinkle red lamps, and the safety outline indicating lamps comprise adjustable solar panel supports and 5-8Wp solar panels.
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| CN202210436484.9A CN114934461A (en) | 2022-04-25 | 2022-04-25 | Speed management system for urban expressway in fog area |
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