CN101777268A - Guide type highway anti-fogging system - Google Patents
Guide type highway anti-fogging system Download PDFInfo
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Abstract
The invention discloses a guide type highway anti-fogging system, which comprises a visibility detector, an anti-fogging early warning display screen and an information integration controller, wherein the visibility detector is arranged in a distance meeting lowest safety testing requirements on the way of the highway, and the anti-fogging early warning display screen is arranged in front of the visibility detector according to the running direction of a vehicle; the visibility detector sends real-time visibility data of the road to the information integration controller when detecting sudden real-time visibility change, the real-time visibility data is compared with built-in data in a database and a control threshold value, and the anti-fogging early warning display screen is started immediately when the visibility is lower than the stipulated threshold value. The anti-fogging system is scientific, rational and practical, takes the real-time visibility data as a basis for starting the early warning display and guide devices on foggy days, can discover and early warn mass of fog and the like which cause sudden visibility reduction in time, effectively reduces the incidence rate of traffic accidents when the visibility is low on foggy days, and ensures road traffic safety.
Description
Technical field
The present invention relates to a kind of highway anti-fogging system, particularly a kind ofly adopt real-time detection, give warning in advance and the guide type highway anti-fogging system of on-the-spot guiding, be applicable to that mainly highway carries out safe guidance to motor vehicles in low visibility environment such as greasy weather.
Background technology
Mist is to be suspended in a large amount of trickle water droplet in the atmosphere near the ground or the visual aggregate of ice crystal.According to world Meteorology Organization, make visibility be reduced to the mist that is called below 1 kilometer, the size of mist can see that according to level degree represents.So-called horizontal visibility is meant that twenty-twenty people under weather condition at that time, can see and recognize the maximum horizontal range of the object of black and size appropriateness daytime from sky background; Then be the maximum horizontal range that can see or determine certain brightness light night.
The motor vehicle driving personnel are known road ahead information by light to the environment reflected by objects, motor vehicle driving personnel's eyes can obtain the pre-apparent distance of enough safety under the condition of visibility good, take various counter-measures in advance by the pre-apparent distance of the safety of abundance.Visibility reduces when mist occurring, because motor vehicle driving personnel's the pre-apparent distance of safety has been shortened, under the constant situation of speed, the time that human pilot can be taken measures when running into emergency case just has been reduced.Mist mainly concentrates on visible light wave range to the influence of road traffic, and the vehicle drive personnel also mainly concentrate on visible light wave range to the perception of object on every side, and the greasy weather of having implemented at present prevents that the accident measure from being that envelope road or speed limit are travelled.
Know from crash analysis, the road traffic accident that takes place because of the greasy weather at highway mainly be since not the burst visibility of early warning reduce institute and cause, and the main cause that causes burst visibility to reduce is a mist.Usually group's mist that horizontal diameter is very little is little to the harm of road traffic, and group's mist medium or big horizontal diameter is big especially to the harm of traffic.The mist of the relative other types of group's mist, its flowability is bigger, relative diameter is bigger, the local highway section visibility that can make highway in the short time at the utmost point is from normally dropping to below the thick fog, thereby just makes in this highway section or the vehicle in this highway section of approach has little time to adopt an effective measure and therefore have an accident.The physical features of such mist is that horizontal diameter concentration big, mist is higher, and moves rapidly, is difficult to use the prior art means to find and early warning.For example, the control device that Chinese patent CN1233810 " sensing and controlling device for fog weather " is disclosed to be discerned greasy weather weather and send control signal is installed and used on road, detect by humidity sensor, the output terminal output greasy weather through the humidity amplification controller is controlled electric signal automatically, the guiding lamp of control wired connection is finished guiding, reduces the generation of fogday traffic accident.This device is to detect on-the-spot humidity as the control foundation by humidity sensor, in fact humidity and mist do not have absolute corresponding relation, and wired alarm signal is more single, is difficult in time find cause group's mist that burst visibility reduces with effective early warning, has a strong impact on anti-fog effect.
For vehicle in transit, at first to know when will enter the fog-zone; Next is when travelling in the fog-zone, needs again that a kind of device can indicate trend of road clearly and the position of the band that stops in emergency.Though the profile mark of active illuminating type or the protuberant guide post of active illuminating are arranged at present, not to glimmer synchronously.In the low-visibility road traffic application, the active illuminating type guiding device that the greasy weather glimmers at random can make the driver to the failure of road previewing, and then loses the effective judgement to road profile, so use the guiding device effect of flicker at random to against one's expectation.
Summary of the invention
Technical matters to be solved by this invention is, overcome the defective that prior art exists, providing a kind of has road visibility and detects in real time, vehicle in travelling provides early warning in advance when finding the road low visibility in defined threshold, and the guide type highway anti-fogging system of on-the-spot guiding is provided when vehicle enters the low visibility zone.
The present invention addresses the above problem the technical scheme that is adopted: this guide type highway anti-fogging system is characterized in: comprise visibility detection instrument, antifog early warning display screen and information integration controller; Require spacing to be provided with the minimum safe detection on the way at highway the visibility detection instrument is installed, antifog early warning display screen is installed in the place ahead of visibility detection instrument according to vehicle heading;
A, described information integration controller are by the communication interface transmit information data, and information integration controller communication interface is provided with digital radio communication interface and wire communication interface;
The output terminal of b, described visibility detection instrument is connected with the information integration controller, and the information integration controller is connected by communication interface and antifog early warning display screen and upper or equipotential opertaing device;
C, described antifog early warning display screen are provided with three kinds of optional display mode: I, fixing caution image display mode, this pattern take the fixedly figure that presets or fixedly figure add literal and show, open and close early warning information and show by lighting or extinguishing display light source; II, dot matrix and presetting pattern combination display mode, this integrated mode are by dot matrix issue display text early warning information, by figure issue display graphics early warning information; III, dot matrix electronics display mode, this pattern is used the diversified early warning information of dot matrix electronic display screen displays, and the early warning information that as required issue is shown is adjusted in real time simultaneously;
Data communication between d, described antifog early warning display screen and the information integration controller adopts wire transmission mode or digital radio transmission mode, and the information integration controller sends the early warning information of coupling to antifog early warning display screen according to the display mode of antifog early warning display screen;
When described visibility detection instrument is found the visibility real-time change of burst, the real-time visibility data of road are sent to the information integration controller, the information integration controller is compared real-time visibility data and the built-in data of database and control threshold value, when low visibility during in defined threshold, the information integration controller starts antifog early warning display screen immediately and shows and database initialize data corresponding informance.Connect the early warning pattern that the highway greasy weather is formed in the back by visibility detection instrument, antifog early warning display screen and information integration controller, the visibility detection instrument can find in real time the visibility real-time change that happens suddenly-→ the information integration controller compares to real-time visibility numerical value, find low visibility when defined threshold-→ the information integration controller use display mode with antifog early warning display screen coupling send display message-→ starting antifog early warning display screen carries out early warning and shows.The present invention directly shows foundation with real-time visibility data as starting early warning, makes vehicle in transit can learn whole precisely information of fog-zone, the place ahead in advance.
Guide type highway anti-fogging system of the present invention, also comprise the fog-zone guiding device, the fog-zone guiding device is installed in the rear of visibility detection instrument according to vehicle heading, has data communication between fog-zone guiding device and the information integration controller, the information integration controller is connected by communication interface with the fog-zone guiding device, described fog-zone guiding device is the synchronous profile mark of antifog usefulness, the information integration controller is controlled synchronous profile mark according to visibility detection instrument actual measurement visibility and startup threshold value, when low visibility during in threshold value, start synchronous profile mark and on active illuminating reflex reflection diascope, when visibility recovers just often then to close synchronous profile mark active illuminating reflex reflection diascope.It can be wired mode that the information integration controller is connected with the synchronous communication interface between the profile mark, also can be the digital radio transmission mode.Synchronously the profile mark mainly to vehicle in transit provide the road boundary profile to show and backward car reverse perspective is provided, during by active illuminating reflex reflection diascope, stay projection can for the back car as vehicle, can find existing and the position of front truck in advance with car after an action of the bowels.
Guide type highway anti-fogging system of the present invention, described fog-zone guiding device also comprises and synchronous profile standard configuration is closed the synchronous protuberant guide post of use, described synchronous protuberant guide post is installed in inside and outside sideline, both sides of road and lines, constitute visible light " line " when protuberant guide post is with profile mark coordinated operation synchronously synchronously, this visible light " line " overlaps with the real road trend, under the low visibility environment, indicate trend of road and outline line, lines, lane boundary line, and indicate the band position of stopping in emergency.The protuberant guide post installing space is consistent with synchronous profile mark synchronously, but arranged in dislocation, but also equipotential is installed.
Guide type highway anti-fogging system of the present invention, described synchronous profile mark and synchronous profile mark of the sun power of protuberant guide post employing synchronously and the synchronous protuberant guide post of sun power, the synchronous profile mark of described sun power is all taked autonomous operation pattern or controlled operational mode with the synchronous protuberant guide post of sun power.
Guide type highway anti-fogging system of the present invention, the synchronous profile of synchronous protuberant guide post of described sun power and sun power mark all uses the synchronous working pattern, also uses between the synchronous profile mark of described sun power and the synchronous protuberant guide post of sun power to synchronous working pattern.
Guide type highway anti-fogging system of the present invention, described visibility detection instrument actual measurement low visibility is when threshold value, the information integration controller adopts the electric signal mode to transmit early warning information to antifog early warning display screen in advance by communication interface, and the early warning information lead is according to the early warning needs---and the setting speed of a motor vehicle and the surrounding environment factor in road conditions, this highway section are determined.
The minimum safe detection that guide type highway anti-fogging system of the present invention, described visibility detection instrument are provided with installation requires spacing to determine according to the diameter of common the mist of physical features that uses the zone greasy weather; Described antifog early warning display screen is according to reserving the reading comprehension early warning information more than at least 10 seconds and carry out the early warning needs of actuation time to the middle vehicle that travels, specifically according to fixed range or fixedly range of driving installation setting.
Guide type highway anti-fogging system of the present invention, describedly be arranged on highway visibility detection instrument networking each other on the way, the visibility data sharing of each visibility detection instrument actual measurement, and can be in each information node input on the way or omnidistance shared data or the steering order transmitted.
Guide type highway anti-fogging system of the present invention, described information integration controller is formed a dcs, and dcs has the ability to the aggregation of data operation of each information node, realizes that live telecast is accurately forecast to road visibility.
Guide type highway anti-fogging system of the present invention, described information integration controller is provided with the manual control interface, use the digital radio communication modes to realize on-the-spot manual control, realize the on-the-spot manual control of part or all of function by the Digiplex that disposes different control codings.
The present invention compared with prior art has following beneficial effect: guide type highway anti-fogging system science of the present invention, reasonable, practical, and by to the real-time detection of road visibility, issue that early warning information shows, the on-the-spot guiding in low visibility zone in advance.With real-time visibility data as the foundation that starts greasy weather early warning demonstration and guiding device, can in time find and effectively early warning cause group's mist that burst visibility reduces etc., reduce greasy weather traffic hazard incidence during low visibility conscientiously, guarantee traffic safety.
Description of drawings
Fig. 1 is an embodiment of the invention guide type highway anti-fogging system structural representation block diagram.
Fig. 2 is the on-the-spot simplified schematic diagram of installing of embodiment of the invention guide type highway anti-fogging system.
Fig. 3 is an embodiment of the invention guide type highway anti-fogging system workflow diagram.
Embodiment
Below by embodiment, the invention will be further elaborated in conjunction with the accompanying drawings.
Referring to Fig. 1, the embodiment guide type highway anti-fogging system comprises visibility detection instrument V, information integration controller C, antifog early warning display screen Y and fog-zone guiding device YD.Visibility detection instrument V realizes that by communication interface the two-way of data is connected with information integration controller C, information integration controller C is connected with antifog early warning display screen Y by the digital radio communication interface, the receive information management of integrated manipulator C of antifog early warning display screen Y, information integration controller C also is connected by the interior fog-zone guiding device YD of digital radio mode and control section.
This antifog system detects with minimum safe on the way at highway and requires spacing that installation visibility detection instrument V is set, antifog early warning display screen Y is installed in the place ahead of visibility detection instrument V according to vehicle heading, and fog-zone guiding device YD is installed in the rear of visibility detection instrument V according to vehicle heading.The minimum safe detection that visibility detection instrument V is provided with installation requires spacing according to the physical features that uses the zone greasy weather, and the diameter of a for example common mist is determined; Antifog early warning display screen Y according to give travel in vehicle reserve above reading comprehension early warning information and carry out the early warning needs of actuation time at least 10 seconds, specifically can according to fixed range or fixedly two kinds of spacing modes of the range of driving setting is installed.Information integration controller C is by the communication interface transmit information data, and information integration controller communication interface is provided with digital radio communication interface and wire communication interface; Information integration controller C also is provided with the manual control interface, uses the digital radio communication modes to realize on-the-spot manual control, realizes the on-the-spot manual control of part or all of function by the Digiplex that disposes different control codings.The on-the-spot manual control of embodiment has quadruple linkage control and two kinds of control modes of eight key control, when being mainly used in traffic police's site disposal accident or inspection, quadruple linkage control uses, can drive antifog early warning display screen Y and show designated character, open fog-zone guiding device YD or special indication, also can close above-mentioned functions; Eight key control are mainly used in the scene of equipment inspection and detect, and can whole major functions of entire system be detected item by item.On-the-spot manual control adopts the Digiplex of coupling to belong to the known application technology, does not repeat them here.
The output terminal of visibility detection instrument V is connected with information integration controller C, and information integration controller C is connected with antifog early warning display screen Y and upper opertaing device by communication interface; Data communication between antifog early warning display screen Y and the information integration controller C adopts wire transmission mode or digital radio transmission mode, and information integration controller C sends the early warning information of coupling to antifog early warning display screen Y according to the display mode of antifog early warning display screen Y; Have data communication between fog-zone guiding device YD and the information integration controller C, information integration controller C is connected by communication interface with fog-zone guiding device YD.When visibility detection instrument V finds the visibility real-time change of burst, the real-time visibility data of road are sent to information integration controller C, information integration controller C compares real-time visibility data and the built-in data of database and control threshold value, when low visibility during in defined threshold, information integration controller C starts antifog early warning display screen Y immediately and shows and database initialize data corresponding informance.Visibility detection instrument V actual measurement low visibility is when threshold value, information integration controller C adopts the electric signal mode to transmit early warning information to antifog early warning display screen Y in advance by communication interface, the early warning information lead is according to the early warning needs, and promptly the setting speed of a motor vehicle in road conditions, this highway section and surrounding environment factor etc. are determined.Among Fig. 1, OUT is that communication interface, the NET of information integration controller C and upper equipment is the communication interface of information integration controller C and equipotential same category of device.
The antifog early warning display screen of embodiment Y is provided with three kinds of alternative display modes: a kind of is fixing caution image display mode, this pattern take the fixedly figure that presets or fixedly figure add literal and show, open and close early warning information and show by lighting or extinguishing display light source; Second kind is dot matrix and presetting pattern combination display mode, and this integrated mode is by dot matrix issue display text early warning information, by figure issue display graphics early warning information; The third is a dot matrix electronics display mode, and this pattern is used the diversified early warning information of dot matrix electronic display screen displays, and the early warning information that as required issue is shown is adjusted in real time simultaneously.Antifog early warning display screen Y is by the simple precisely literal early warning information of dot matrix issue, and by the clear graphic early warning information of figure issue, dot matrix and presetting pattern combination can improve the reading property and the precision of information of early warning information.
Fog-zone guiding device YD can for the wide mark of synchronizing wheel or synchronously protuberant guide post or synchronously protuberant guide post add synchronous profile standard configuration and close use, the fog-zone guiding device YD that present embodiment takes synchronous profile mark and synchronous protuberant guide post to be used, profile mark and synchronous protuberant guide post adopt the synchronous profile of sun power to mark O and the synchronous protuberant guide post L of sun power respectively synchronously.The synchronous profile mark of the sun power of fog-zone guiding device YD O is connected with information integration controller C by communication interface respectively with the synchronous protuberant guide post L of sun power.Information integration controller C controls the synchronous profile mark of the sun power in control section O according to visibility detection instrument V actual measurement visibility and startup threshold value, when low visibility during in threshold value, start the synchronous profile mark O of sun power and on active illuminating reflex reflection diascope, when visibility recovers just often then to close the synchronous profile mark of sun power O active illuminating reflex reflection diascope.The synchronous profile mark of sun power O has two kinds of working methods, when information integration controller C does not issue enabled instruction, the synchronous profile mark of sun power O will open normal profile Presentation Function at night, when when whenever information integration controller C sends enabled instruction, the synchronous profile mark of sun power O will start immediately, and open and close profile demonstration and active illuminating reflex reflection diascope according to command request.The synchronous protuberant guide post L of sun power is installed in the inside and outside sideline, both sides of road and is installed on the lines simultaneously as required, trend of road guide that the synchronous profile mark O synchronous operation of the synchronous protuberant guide post L of sun power and sun power formation overlaps with road and outline line, border guide line, and indicate to stop in emergency and be with the position.The synchronous protuberant guide post L of sun power also has two kinds of working methods, when information integration controller C does not issue enabled instruction, the synchronous protuberant guide post L of sun power will open work at night, and when when whenever information integration controller C sends enabled instruction, the synchronous protuberant guide post L of sun power will start in real time.Synchronous profile mark O of sun power and the synchronous protuberant guide post L of sun power all take autonomous operation pattern or controlled operational mode; All use the synchronous working pattern, and also use between the synchronous profile of sun power mark O and the synchronous protuberant guide post L of sun power and synchronous working pattern, the synchronous profile of sun power synchronous protuberant guide post L flicker frequency and sun power is marked O maintenance high level of synchronization.In actual applications, do not need daytime the synchronous protuberant guide post L of sun power to participate in the fog-zone guiding usually, but cooperate later guiding effect very good with the synchronous profile mark of sun power O at the synchronous protuberant guide post L of sun power at night.
The embodiment guide type highway anti-fogging system is arranged on highway, and many visibility detection instrument V on each information node each other can networking on the way, the visibility data sharing of each visibility detection instrument V actual measurement, and can be in each information node input on the way or omnidistance shared data or the steering order transmitted.
The single information integration controller C of guide type highway anti-fogging system only is responsible for data acquisition and the comparison and the distribution in a control highway section, and being provided with a plurality of information integration controller C as system then each other can networking and constitute dcs.Dcs has the ability to the aggregation of data operation of each information node, under the dcs management, can carry out COMPREHENSIVE CALCULATING to the visibility numerical value of each information node of system-wide section and obtain the real-time numerical value of visibility of each node of system-wide section, realize that live telecast is accurately forecast to road visibility.Simultaneously, can also use the powerful arithmetic capability of distributed information integrated manipulator to insert other measuring and controlling equipments, for example anemoscope, thermometer etc., and the real-time detection data that provide the said equipment sensor to obtain.
The embodiment guide type highway anti-fogging system is on-the-spot to be installed referring to Fig. 2, and antifog early warning display screen Y is installed in visibility detection instrument V the place ahead, and S is the distance of early warning information reach; Synchronous profile mark O of sun power and the synchronous protuberant guide post L of sun power installation site are at visibility detection instrument V rear, and the synchronous profile mark of sun power O is installed on interior side rail H of road and the outer side rail E of road; The synchronous protuberant guide post L of sun power is installed in inboard sideline D of road and road outside sideline J; The synchronous protuberant guide post L of sun power installing space is consistent with the synchronous profile mark of sun power O, but both arranged in dislocation, but also equipotential is installed; Synchronous profile mark O of present embodiment sun power and the synchronous protuberant guide post L of sun power arranged in dislocation.R is that road, F are direction of traffic among Fig. 2.
This guide type highway anti-fogging system principle of work is as follows:
Detect the spacing that requires with minimum safe along the line at road road traffic visibility detection instrument V is set, minimum safe detection spacing is the physical features according to this zone greasy weather, the data such as diameter of a for example common mist, and according to the nearest safe spacing of these data configurations; As about 3000 meters of the common group's mist diameter that harm arranged in this zone, following its inner concentration of group's mist of this diameter does not constitute a threat to, and minimum safe spacing that then should the zone is exactly 3000 meters.Visibility detection instrument V can effectively find for example to roll into a ball the sudden visibility real-time change that mist causes, and the visibility numerical value that road is real-time sends to information integration controller C; Information integration controller C compares to real-time visibility numerical value, and when finding low visibility in defined threshold, information integration controller C uses the display mode transmission display message with antifog early warning display screen Y coupling, starts antifog early warning display screen Y immediately; When if upper equipment is arranged, also can upload real-time visibility data and keep supplying an equipment and use by communication interface; If the equipotential same category of device is arranged, then share the real time data of section separately by communication interface and the networking of equipotential same category of device.Because antifog early warning display screen Y mounting points position is in the place ahead of visibility detection instrument V, thus during in threshold value, all can before entering the low visibility zone, vehicle give effective early warning in any point discovery low visibility of system-wide section, thus the generation of minimizing accident.When needs provide when guiding, information integration controller C to send to start the instruction of the synchronous profile mark of sun power O to the fog-zone, the synchronous profile mark of sun power O is activated, and the active illuminating reflex reflection diascope of putting on attached to profile also is activated and begins synchronous flicker.The synchronous profile mark of sun power O mainly provides the demonstration of road boundary profile to reach backward to vehicle in transit, and car provides reverse perspective, when vehicle passes through active illuminating reflex reflection diascope, staying projection can for the back car, can find existing and the position of front truck in advance with car after an action of the bowels.During the low visibility state, vehicle in transit can be found highway sideline and stop in emergency the band position by day; Under night low visibility state, especially in case of emergency, vehicle in transit be difficult to find the to stop in emergency accurate position of band needs to use the synchronous protuberant guide post L of sun power.The synchronous protuberant guide post L of sun power is installed in sideline, the road outside, the synchronous protuberant guide post L of sun power uses the flicker frequency consistent with the synchronous profile mark of sun power O to glimmer synchronously, after the startup, can effectively indicate the band that stops in emergency between guardrail and the highway sideline, for vehicle in transit provides the good pre-apparent distance of expected safety, vehicle in emergency circumstances in transit can enter the band that stops in emergency rapidly accurately according to sign and dodging.
With regard to the enforcement means, the present invention surveys the real-time numerical value of visibility at visible light wave range, the means of using information transmission are the live reach of the visibility numerical value in next highway section, and its leading can be according to factor decisions such as the setting speed of a motor vehicle in road conditions, this highway section, surrounding environment.The live reach of visibility numerical value makes guide type highway anti-fogging system have bigger application adaptability.Expected trend of road, pre-visual informations of actual time safety such as front vehicle position, the band position of stopping in emergency, road outline boundary position, road inner side edge line position and the inboard boundary position of road closely are provided for vehicle in transit at the synchronous profile of the synchronous flicker sun power mark O of guiding highway section system-wide setting and the synchronous protuberant guide post L of sun power.Here " expection " be meant that the device that is used to guide glimmers synchronously, a kind of visual effect of expected " line " that repeats to realize is provided, should " line " overlap with real road, this make vehicle in transit to the road ahead state realization can expect understanding; If guiding device is to glimmer at random then effect can be opposite and becomes and can not expect.The low visibility state, especially night during low visibility in emergency circumstances, effectively indicate the band that stops in emergency between guardrail and the highway sideline, vehicle in transit can be entered accurately stop in emergency band to be dodged rapidly, can greatly improve travelling in fog day safety.
Safe previewing is from the technical standpoint analysis, and the motor vehicle driving personnel need enough pre-apparent distances of safety can the safe driving motor vehicle, and the apparent distance is relevant in advance with safety in its safe driving.Minimum safe is driven requirement should satisfy M 〉=T+H, and in the formula, vehicle passes through in the pre-apparent distance of M=safety, T=reaction time distance, H=brake needed distance.The motor vehicle driving personnel need have the pre-apparent distance of enough safety can satisfy have time enough and the distance take measures to ensure safety, after visibility reduces, the pre-apparent distance of safety can shorten, need pass through technological means this moment, take to give warning in advance such as the present invention and show and to prolong the pre-apparent distance of safety, thereby ensure minimum safe previewing requirement, only in this way can avoid the generation of accident.
Referring to Fig. 3, embodiment guide type highway anti-fogging system workflow is: after visibility detection instrument V obtains the real-time numerical value of visibility, give information integration controller C with information transmission; Information integration controller C compares to the real-time visibility numerical value that obtains, and sends to epigyny device simultaneously; When comparison does not meet when starting antifog early warning display screen Y, restart receiving real-time data and comparison; If satisfying, numerical value starts threshold value, then information is advanced to antifog early warning display screen Y and goes up demonstration by the wireless digital transmitting device, in advance the place ahead is entered the accurate information notification vehicle in transit of fog-zone, start synchronous profile mark O of sun power and the synchronous protuberant guide post L of sun power simultaneously, carry out guiding in real time for the vehicle that enters the fog-zone; When visibility numerical value can not satisfy the startup threshold value, and the duration greater than shut-in time during threshold value, send the instruction of closing antifog early warning display screen Y and the synchronous profile mark of sun power O, the synchronous protuberant guide post L of sun power again, so circular flow.
In road traffic is used, be lower than the secure threshold that visibility below 1000 meters just can trigger highway, so it is very high that highway does not need usually with the detection sensitivity of visibility detection instrument V, can satisfy the visibility below 2500 meters surveyed and just can satisfy actual request for utilization.The special-purpose visibility detection instrument of the road traffic that present embodiment uses Hangzhou great achievement public safety Engineering Co., Ltd of BDCom to produce, the detection sensitivity of this visibility detection instrument is 10～3000 meters, can satisfy the early warning needs in road traffic greasy weather fully.
The information integration controller that information integration controller C uses Hangzhou great achievement public safety Engineering Co., Ltd of BDCom to produce, the local digital wireless receiving and dispatching uses that Hangzhou Command Communication Equipment Co., Ltd provides aims at the supporting 2.4G radio receiving transmitting module of information integration controller C, and this module has the bidirectional data transfers ability.
Selectable antifog early warning display screen Y has three classes, and a class is that information is simple and clear with pure graphic presentation, is adapted at the environment that road conditions are simple or the speed of a motor vehicle is higher and uses; Second class is figure and literal mixed type, is adapted at the road conditions complexity, and the environment that the speed of a motor vehicle is lower uses, and is characterized in also can adding simple literal early warning information outside fixing caution figure, makes early warning more accurate; The 3rd class is the dot matrix display mode, can realize the free conversion of figure and literal, is characterized in being fit to the application of various different roads, especially is fit to the higher road of the complex road condition and the speed of a motor vehicle and uses.The antifog early warning display screen of YDC type that embodiment uses great achievement public safety Engineering Co., Ltd of Hangzhou BDCom to produce, belong to the mixed type display screen, it uses 32 * 64 dot matrix character display, figure uses the triangle warning mark that meets Chinese national standard, the LED that is not less than 35 degree with half strong angle forms the figure type matrix, and LED is provided with along the triangle warning mark, can strengthen to show triangle caution figure, display screen uses 600 * 800 millimeters housing visual, about 150～250 meters of decipherment distance.
Application example:
This application example is a control zone with 3 kilometers, in starting point a great achievement public safety Engineering Co., Ltd of Hangzhou BDCom being set produces, use the special-purpose visibility detection instrument of solar powered VSA type road traffic, it is to set up in 20～50 meters scopes of distance road that requirement is set, as far as possible not directly on roadbed or the road leeward install, about 4～5 meters of visibility detection instrument V, but vertical rod load-bearing and wind resistance apart from the road floor level.VSA type visibility detection instrument has the autonomous operation ability, can carry information integration controller C collaborative work, can load the anemoscope collaborative work if mounting points need be prevented crosswind, also can increase sensors such as anti-freeze data acquisition.Visibility detection instrument V reading refreshed once in per 5 seconds, information integration controller C compares to the reading of visibility detection instrument V in real time, when the visibility reading of visibility detection instrument V continuous three times during less than 1000 meters, information integration controller C sends the guide type highway anti-fogging system enabled instruction by the digital radio transceiver module.
Adorn an antifog early warning display screen of YDC-2 type at visibility detection instrument V mounting points forward direction 1500 meter amperes, 800 * 600 millimeters of this display screen external diameters use solar poweredly, use the digital radio mode with the both-way communication of upper equipment.The antifog early warning display screen of YDC-2 type has fixedly figure and two kinds of early warning display modes of dot matrix demonstration, and fixedly figure uses the triangle warning mark, but effectively decipherment distance is not less than 250 meters; Dot matrix shows that effectively but decipherment distance is not less than 250 meters.When 120 kilometers of the speed of a motor vehicle, fog-zone, the time identification the place ahead information that is no less than 7 seconds is arranged, simultaneously, vehicle in transit still has the time that is no less than 45 seconds to prepare in advance from information point apart from entering the fog-zone.
The OWC type that the production of great achievement public safety Engineering Co., Ltd of Hangzhou BDCom is installed on the guardrail along the line in 10 meters behind the visibility detection instrument is antifog with the synchronous profile mark of sun power, this profile mark has synchronous guiding function, can under very low observable, provide effective road profile to show and guiding, has reflex reflection active illuminating Penetrating Fog guiding function, full safety previewing in the sighting distance can be provided under thick fog, can make the back car in visual range, find the front truck that may exist in advance.At the yellow OWC type of road installed inside profile mark, OWC type white contours mark is installed outside road, double-colored profile is marked on the inside and outside both sides of road and installs with distance, and installation interval is 12 meters.The synchronous profile mark of OWC type sun power has corrugated plate adapter and column installation accessory is installed, and present embodiment uses corrugated plate that adapter is installed.The OWC type is antifog to be not less than 200 meters with the synchronous profile mark of sun power normal condition visual range at following night, be not less than 150 meters daytime, when entering greasy weather guiding mode of operation, visual driving power dynamically increases by 25%～150%, and concrete numerical value is looked visibility numerical value and changed.
The synchronous protuberant guide post L of the sun power that fog-zone guiding device YD uses adopts the synchronous protuberant guide post of being produced by great achievement public safety Engineering Co., Ltd of Hangzhou BDCom of LGS-1 type sun power.This protuberant guide post is mainly used in Lin Ya highway section, thick fog zone, blind spot or stain highway section, has three kinds of application models; Only dodge guiding in the present embodiment as sideline reinforcement demonstration and thick fog.The synchronous profile mark of synchronous protuberant guide post L of sun power and sun power O installs at interval, apart from sideline, the outside, preceding 6 meters of the synchronous profile mark of first sun power O the synchronous protuberant guide post L of first sun power is installed, and with 12 meters intervals second synchronous protuberant guide post L is installed.But the synchronous protuberant guide post decipherment distance of LGS-1 type sun power is not less than 200 meters, the main effect that the synchronous protuberant guide post of LGS-1 type sun power uses in the fog-zone is that the conjugate profile mark shows the band position of stopping in emergency, and can enter the band that stops in emergency by guided vehicle when the fog-zone vehicle emergency is dodged.
If dispose many visibility detection instrument V continuously, then can realize networking between each visibility detection instrument V in the application; Information integration controller C forms dcs, and each visibility numerical information forwards flows and uploads to command centre by interface.
Though guide type highway anti-fogging system of the present invention with embodiment openly as above; but it is not in order to limit protection scope of the present invention; any technician who is familiar with this technology; change and the retouching done in not breaking away from design of the present invention and scope all should belong to protection scope of the present invention.
Claims (10)
1. a guide type highway anti-fogging system is characterized in that: comprise visibility detection instrument, antifog early warning display screen and information integration controller; Require spacing to be provided with the minimum safe detection on the way at highway the visibility detection instrument is installed, antifog early warning display screen is installed in the place ahead of visibility detection instrument according to vehicle heading;
A, described information integration controller are by the communication interface transmit information data, and information integration controller communication interface is provided with digital radio communication interface and wire communication interface;
The output terminal of b, described visibility detection instrument is connected with the information integration controller, and the information integration controller is connected by communication interface and antifog early warning display screen and upper or equipotential opertaing device;
C, described antifog early warning display screen are provided with three kinds of optional display mode: I, fixing caution image display mode, this pattern take the fixedly figure that presets or fixedly figure add literal and show, open and close early warning information and show by lighting or extinguishing display light source; II, dot matrix and presetting pattern combination display mode, this integrated mode are by dot matrix issue display text early warning information, by figure issue display graphics early warning information; III, dot matrix electronics display mode, this pattern is used the diversified early warning information of dot matrix electronic display screen displays, and the early warning information that as required issue is shown is adjusted in real time simultaneously;
Data communication between d, described antifog early warning display screen and the information integration controller adopts wire transmission mode or digital radio transmission mode, and the information integration controller sends the early warning information of coupling to antifog early warning display screen according to the display mode of antifog early warning display screen;
When described visibility detection instrument is found the visibility real-time change of burst, the real-time visibility data of road are sent to the information integration controller, the information integration controller is compared real-time visibility data and the built-in data of database and control threshold value, when low visibility during in defined threshold, the information integration controller starts antifog early warning display screen immediately and shows and database initialize data corresponding informance.
2. guide type highway anti-fogging system according to claim 1, it is characterized in that: also comprise the fog-zone guiding device, the fog-zone guiding device is installed in the rear of visibility detection instrument according to vehicle heading, has data communication between fog-zone guiding device and the information integration controller, the information integration controller is connected by communication interface with the fog-zone guiding device, described fog-zone guiding device is the synchronous profile mark of antifog usefulness, the information integration controller is controlled synchronous profile mark according to visibility detection instrument actual measurement visibility and startup threshold value, when low visibility during in threshold value, start synchronous profile mark and on active illuminating reflex reflection diascope, when visibility recovers just often then to close synchronous profile mark active illuminating reflex reflection diascope.
3. guide type highway anti-fogging system according to claim 2, it is characterized in that: described fog-zone guiding device also comprises and synchronous profile standard configuration is closed the synchronous protuberant guide post of use, described synchronous protuberant guide post is installed in inside and outside sideline, both sides of road and lines, constitute visible light " line " when protuberant guide post is with profile mark coordinated operation synchronously synchronously, this visible light " line " overlaps with the real road trend, under the low visibility environment, indicate trend of road and outline line, lines, lane boundary line, and indicate the band position of stopping in emergency.
4. according to claim 2 or 3 described guide type highway anti-fogging systems, it is characterized in that: described synchronous profile mark and synchronous profile mark of the sun power of protuberant guide post employing synchronously and the synchronous protuberant guide post of sun power, the synchronous profile mark of described sun power is all taked autonomous operation pattern or controlled operational mode with the synchronous protuberant guide post of sun power.
5. guide type highway anti-fogging system according to claim 4, it is characterized in that: the synchronous profile of synchronous protuberant guide post of described sun power and sun power mark all uses the synchronous working pattern, also uses between the synchronous profile mark of described sun power and the synchronous protuberant guide post of sun power to synchronous working pattern.
6. guide type highway anti-fogging system according to claim 5, it is characterized in that: described visibility detection instrument actual measurement low visibility is when threshold value, the information integration controller adopts the electric signal mode to transmit early warning information to antifog early warning display screen in advance by communication interface, and the early warning information lead is according to the early warning needs---and the setting speed of a motor vehicle and the surrounding environment factor in road conditions, this highway section are determined.
7. guide type highway anti-fogging system according to claim 6 is characterized in that: the minimum safe detection that described visibility detection instrument is provided with installation requires spacing to determine according to the diameter of common the mist of physical features that uses the zone greasy weather; Described antifog early warning display screen is according to reserving the reading comprehension early warning information more than at least 10 seconds and carry out the early warning needs of actuation time to the middle vehicle that travels, specifically according to fixed range or fixedly range of driving installation setting.
8. guide type highway anti-fogging system according to claim 7, it is characterized in that: describedly be arranged on highway visibility detection instrument networking each other on the way, the visibility data sharing of each visibility detection instrument actual measurement, and can be in each information node input on the way or omnidistance shared data or the steering order transmitted.
9. guide type highway anti-fogging system according to claim 8, it is characterized in that: described information integration controller is formed a dcs, dcs has the ability to the aggregation of data operation of each information node, realizes that live telecast is accurately forecast to road visibility.
10. guide type highway anti-fogging system according to claim 9, it is characterized in that: described information integration controller is provided with the manual control interface, use the digital radio communication modes to realize on-the-spot manual control, realize the on-the-spot manual control of part or all of function by the Digiplex that disposes different control codings.
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