CN105632244A - Intelligent guidance anti-collision method and intelligent guidance anti-collision device for highway frog zone - Google Patents
Intelligent guidance anti-collision method and intelligent guidance anti-collision device for highway frog zone Download PDFInfo
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- CN105632244A CN105632244A CN201511033215.4A CN201511033215A CN105632244A CN 105632244 A CN105632244 A CN 105632244A CN 201511033215 A CN201511033215 A CN 201511033215A CN 105632244 A CN105632244 A CN 105632244A
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/16—Anti-collision systems
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/052—Detecting movement of traffic to be counted or controlled with provision for determining speed or overspeed
- G08G1/054—Detecting movement of traffic to be counted or controlled with provision for determining speed or overspeed photographing overspeeding vehicles
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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
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Abstract
The invention discloses an intelligent guidance anti-collision method and an intelligent guidance anti-collision device for a highway frog zone. The intelligent guidance anti-collision method comprises steps of obtaining visibility of an object road segment obtained through real-time monitoring, starting up a preset control strategy when the visibility of the object road segment is smaller than a preset threshold, wherein the control strategy at least comprises steps of controlling a frog zone alarm device of a target road segment to change a control parameter and/or a display parameter according to the visibility of the target road segment which is obtained through monitoring, and, wherein the frog zone alarming device at least comprises a speed limitation information device, a checkpoint overspeed snap shot device and a warning device. The invention solves the technical problem of low anti-collision efficiency caused by the fact that the frog zone anti-collision system is singular in functions.
Description
Technical field
The present invention relates to control field, in particular to a kind of fog-zone intellectual inducing avoiding collision for highway and device.
Background technology
Along with economic develops rapidly, highway is as the lifeline of country, and its special status has gone up the key factor into affecting GDP increase and decrease. In recent years, haze weather takes place frequently, traffic jam, and traffic accident is of common occurrence, it has also become one of killer of traffic safety.
In prior art, solving haze weather road safety and run, the technological means being generally adopted has respectively: one is set up weather monitoring station, LED display directly issue haze information and speed limit early warning information; Two DAS (Driver Assistant System)s etc. being based on the technological means such as infrared, radar; Three is according to meteorological condition or road situation, manually starts highway broadcast system. Due to the function singleness of fog-zone of the prior art CAS, there is certain limitation, cause that the crashproof efficiency of fog-zone CAS is comparatively low.
For the crashproof inefficient technical problem that the function singleness of fog-zone of the prior art CAS causes, effective solution is not yet proposed at present.
Summary of the invention
Embodiments provide a kind of fog-zone intellectual inducing avoiding collision for highway and device, the crashproof inefficient technical problem that the function singleness solve at least fog-zone of the prior art CAS causes.
An aspect according to embodiments of the present invention, it is provided that a kind of fog-zone intellectual inducing avoiding collision for highway, including: obtain the visibility monitoring the target road section obtained in real time; When the visibility of target road section is less than pre-set threshold value, start the control strategy preset, wherein, control strategy at least includes: the fog-zone caution device change controlling target road section according to the visibility monitoring the target road section obtained controls parameter and/or display parameters; Wherein, fog-zone caution device at least includes: speed limit intelligence equipment, bayonet socket overspeed snapping equipment and alarm equipment.
Further, when fog-zone caution device is speed limit intelligence equipment and/or bayonet socket overspeed snapping equipment, start the control strategy preset, including: from default visibility list, search the visibility belonging to visibility interval; Obtain the speed limit candid photograph value that visibility interval is corresponding; Control speed limit intelligence equipment and show speed limit information according to speed limit candid photograph value, and/or control bayonet socket overspeed snapping equipment is captured according to speed limit candid photograph value.
Further, alarm equipment at least includes: Horn, intelligent fog lamp and alarm screen, wherein, start the control strategy preset to include: control one or more alarm equipments and alert according to the alarm mode preset, wherein, the alarm mode preset includes one or more types following: light alarm, sound alarm, word alarm, image alarm.
Further, when alarm equipment is Horn, controls one or more alarm equipments and alert according to default alarm mode, whether preset alarm threshold value including: the visibility of target road section that detection acquires less than first; When visibility presets alarm threshold value less than first, control Horn and alert; When visibility presets alarm threshold value be more than or equal to first, continue the visibility that acquires of detection and whether preset alarm threshold value less than first.
Further, control Horn and alert, including: controlling Horn and send default sound warning signal according to sound alarm mode, sound warning signal at least includes: presets alarm prompt sound and includes the default alarm prompt voice of warning content.
Further, when alarm equipment is intelligent fog lamp, control one or more alarm equipments to alert according to default alarm mode, including: when the visibility of the target road section acquired presets alarm threshold value less than second, control intelligent fog lamp and open; After intelligent fog lamp is opened, control intelligent fog lamp and alert according to optical alarming mode.
Further, after intelligent fog lamp is opened, control intelligent fog lamp and alert according to optical alarming mode, including: when visibility reduces, control intelligent fog lamp and improve luminous intensity; When visibility raises, control intelligent fog lamp and reduce luminous intensity.
Further, when alarm equipment is alarm screen, control one or more alarm equipments to alert according to default alarm mode, including: when the visibility of the target road section acquired presets alarm threshold value less than the 3rd, control alarm screen and show the alarm word and/or alerting image preset, to alert according to word and/or image alarm mode.
Another aspect according to embodiments of the present invention, additionally provides a kind of fog-zone intellectual inducing anticollision device, collision-prevention device for highway, including: the first acquisition module, for obtaining the visibility monitoring the target road section obtained in real time; First processing module, for when the visibility of target road section is less than pre-set threshold value, start the control strategy preset, wherein, control strategy at least includes: the fog-zone caution device change controlling target road section according to the visibility monitoring the target road section obtained controls parameter and/or display parameters; Wherein, fog-zone caution device at least includes: speed limit intelligence equipment, bayonet socket overspeed snapping equipment and alarm equipment.
Further, the first processing module includes: first searches submodule, interval for the visibility searched from default visibility list belonging to visibility; First obtains submodule, for obtaining the speed limit candid photograph value that visibility interval is corresponding; First processes submodule, is used for controlling speed limit intelligence equipment and shows speed limit information according to speed limit candid photograph value, and/or control bayonet socket overspeed snapping equipment is captured according to speed limit candid photograph value.
Further, alarm equipment at least includes: Horn, intelligent fog lamp and alarm screen, first processing module includes: the first alarm module, alert according to the alarm mode preset for controlling one or more alarm equipments, wherein, the alarm mode preset includes one or more types following: light alarm, sound alarm, word alarm, image alarm.
Further, when alarm equipment is Horn, the first processing module includes: the first detection sub-module, and whether the visibility for detecting the target road section acquired presets alarm threshold value less than first; Second processes submodule, for when visibility presets alarm threshold value less than first, controlling Horn and alert; Second detection sub-module, for when visibility presets alarm threshold value be more than or equal to first, continues the visibility that acquires of detection and whether presets alarm threshold value less than first.
Further, second processes submodule includes: the second alarm subelement, sending default sound warning signal for controlling Horn according to sound alarm mode, sound warning signal at least includes: presets alarm prompt sound and includes the default alarm prompt voice of warning content.
Further, when alarm equipment is intelligent fog lamp, the first alarm module includes: the 3rd processes submodule, for when the visibility of the target road section acquired presets alarm threshold value less than second, controlling intelligent fog lamp and open; 3rd alarm submodule, after opening in intelligent fog lamp, controls intelligent fog lamp and alerts according to optical alarming mode.
Further, the 3rd alarm submodule includes: first controls subelement, for when visibility reduces, controlling intelligent fog lamp and improve luminous intensity; Second controls subelement, for when visibility raises, controlling intelligent fog lamp and reduce luminous intensity.
Further, when alarm equipment is alarm screen, first alarm module includes: the 4th alarm submodule, for when the visibility of the target road section acquired presets alarm threshold value less than the 3rd, control alarm screen and show the alarm word and/or alerting image preset, to alert according to word and/or image alarm mode.
Further, this device also includes: the second processing module, for when the visibility of target road section presets alarm threshold value more than the 4th, detect by the vehicle of predeterminable area in target road section, and any one or more warning lamps in the warning lamp group lighted after vehicle in predeterminable range.
In embodiments of the present invention, adopting the mode of the fog-zone intellectual inducing avoiding collision for highway, the method includes: obtain the visibility monitoring the target road section obtained in real time; When the visibility of target road section is less than pre-set threshold value, start the control strategy preset, wherein, control strategy at least includes: the fog-zone caution device change controlling target road section according to the visibility monitoring the target road section obtained controls parameter and/or display parameters; Wherein, fog-zone caution device at least includes: speed limit intelligence equipment, bayonet socket overspeed snapping equipment and alarm equipment, and then the crashproof inefficient technical problem that the function singleness solving fog-zone of the prior art CAS causes.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, and the schematic description and description of the present invention is used for explaining the present invention, is not intended that inappropriate limitation of the present invention. In the accompanying drawings:
Fig. 1 is the flow chart of the fog-zone intellectual inducing avoiding collision for highway of according to embodiments of the present invention;
Fig. 2 is the flow chart of a kind of fog-zone intellectual inducing CAS being applied to highway optionally with the fog-zone intellectual inducing avoiding collision in highway of according to embodiments of the present invention; And
Fig. 3 is the structural representation of a kind of fog-zone intellectual inducing anticollision device, collision-prevention device for highway of according to embodiments of the present invention two.
Detailed description of the invention
In order to make those skilled in the art be more fully understood that the present invention program, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the embodiment of a present invention part, rather than whole embodiments. Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, all should belong to the scope of protection of the invention.
It should be noted that term " first " in description and claims of this specification and above-mentioned accompanying drawing, " second " etc. are for distinguishing similar object, without being used for describing specific order or precedence. Should be appreciated that the data of so use can be exchanged in the appropriate case, in order to embodiments of the invention described herein can with except here diagram or describe those except order implement. In addition, term " includes " and " having " and their any deformation, it is intended to cover non-exclusive comprising, such as, contain series of steps or the process of unit, method, system, product or equipment be not necessarily limited to those steps or the unit clearly listed, but can include clearly not listing or for intrinsic other step of these processes, method, product or equipment or unit.
Embodiment one
According to embodiments of the present invention, provide the embodiment of the method for a kind of fog-zone intellectual inducing avoiding collision for highway, it should be noted that, can perform in the computer system of such as one group of computer executable instructions in the step shown in the flow chart of accompanying drawing, and, although illustrate logical order in flow charts, but in some cases, it is possible to perform shown or described step with the order being different from herein.
Fig. 1 is the flow chart of the fog-zone intellectual inducing avoiding collision for highway of according to embodiments of the present invention, as it is shown in figure 1, the method comprises the steps:
Step S12, obtains the visibility monitoring the target road section obtained in real time.
In the application above-mentioned steps S12, the visibility obtaining target road section can be monitored in real time by front scattered type visibility meter, before dissipate type visibility meter and can be installed on above the machine bar of porch field control main frame of fog-zone target road section, can in real time, accurate acquisition weather information on the spot, control accuracy is high. This field control main frame and intelligent fog lamp main control computer, be arranged on the porch of fog-zone target road section, and Party A need to provide AC220V power supply and optical fiber, optical transmitter and receiver, switch. Wherein, this front scattered type visibility meter angle of scattering covers: scattering before 39 �㡫51 ��, peak wavelength: 870nm, spectral responsivity: peak response is at 870nm, 0.65A/W. Measurement ranges for 5m��10km, when certainty of measurement is less than or equal to 2km, and error �� 2%; When certainty of measurement is 2Km��10km, error �� 5%; When certainty of measurement is 10Km��50km, error �� 15%. The renewal of this front scattered type visibility meter is spaced apart 15 seconds, linear dynamic range: 3000:1, the mean time between failures: more than 18000 hours. Operating ambient temperature: minus 20 degrees is to 60 degree above freezing, and work relative humidity: 0��100%, power supply: DC12V, power: less than 5W, when being detected the air visibility of current environment by this visibility meter, control accuracy is higher.
It is that example illustrates that the equipment only former type visibility meter that dissipates of the visibility of the target road section obtained is monitored in acquisition in the present embodiment in real time, to realize being as the criterion for the fog-zone intellectual inducing avoiding collision of highway, does not specifically limit.
Step S14, when the visibility of target road section is less than pre-set threshold value, starting the control strategy preset, wherein, control strategy at least includes: the fog-zone caution device change controlling target road section according to the visibility monitoring the target road section obtained controls parameter and/or display parameters; Wherein, fog-zone caution device at least includes: speed limit intelligence equipment, bayonet socket overspeed snapping equipment and alarm equipment.
In the application above-mentioned steps S14, above-mentioned default control strategy refers to the control strategy preset in the upper computer software controlling main frame or rear end command centre in advance at the scene. Wherein, the node capacity of above-mentioned field control main frame is less than or equal to 65535, and operating temperature is-20 DEG C��60 DEG C, and communication interface can select RJ45, wave point, RS485, I/O switch amount node etc., running voltage is: AC176��264V, 48��52HZ, power is less than or equal to 10W.
It should be noted that, the fog-zone intellectual inducing avoiding collision for highway that the present embodiment provides, the method has closed-loop automatic control ability, according to highway environment change, the visibility of target road section can be monitored in real time, and analyze testing result, when the visibility of target road section is less than predetermined threshold value, start the control strategy preset, and then start alarm equipment in time, and the speed limit of overspeed snapping equipment is captured according to mistiness degree synchronous vacations speed limit intelligence equipment and bayonet socket, thus playing under the adverse circumstances that visibility is relatively low, correct guiding vehicle passes through in order, reach the beneficial effect preventing vehicle collision accident from occurring.
The fog-zone intellectual inducing avoiding collision for highway that the present embodiment provides, by obtaining the visibility monitoring the target road section obtained in real time; When the visibility of target road section is less than pre-set threshold value, start the control strategy preset, wherein, control strategy at least includes: the fog-zone caution device change controlling target road section according to the visibility monitoring the target road section obtained controls parameter and/or display parameters; Wherein, fog-zone caution device at least includes: speed limit intelligence equipment, bayonet socket overspeed snapping equipment and alarm equipment, and then the crashproof inefficient technical problem that the function singleness solving fog-zone of the prior art CAS causes.
Alternatively, in the present embodiment, when fog-zone caution device is speed limit intelligence equipment and/or bayonet socket overspeed snapping equipment, the control strategy preset is started, including:
Step S141, searches the visibility belonging to above-mentioned visibility interval from default visibility list.
In the application above-mentioned steps S141, above-mentioned default visibility list refers to the list of the relevant limit value preset in the upper computer software controlling main frame or rear end command centre in advance at the scene.
Step S143, obtains the speed limit candid photograph value that visibility interval is corresponding;
Step S145, controls speed limit intelligence equipment and shows speed limit information according to speed limit candid photograph value, and/or control bayonet socket overspeed snapping equipment is captured according to speed limit candid photograph value.
In the application above-mentioned steps S145, above-mentioned speed limit intelligence equipment is variable speed-limit advices plate, the overspeed snapping value of the speed limit of variable speed-limit advices plate and bayonet socket overspeed snapping equipment is mainly preset in in-situ processing main frame, have in-situ processing main frame to send instruction to field apparatus to perform, the host computer of rear end command centre also can process main frame by remote scene simultaneously, carry out the amendment of every preset value and show speed limit information, in addition, the host computer of above-mentioned rear end command centre has center Upper system software, this software has the advantage that based on B/S framework, support that many cover systems are simultaneously online, multi-user management, supports that multistage authority is distributed, center upper computer software and fielded system network service, support field equipment state passback and state shows and automatically and manually open mode controls.
Table 1 is the visibility list preset
| Visibility interval (rice) | Speed limit candid photograph value (thousand ms/h) |
| 300 < X��500 | 60 |
| 100 < X��300 | 40 |
| 0 < X��100 | 20 |
Below in conjunction with instantiation, the fog-zone intellectual inducing avoiding collision for highway of the embodiment of the present invention is further described. Had be carried out repeating no more of detailed description. When fog-zone caution device is speed limit intelligence equipment and/or bayonet socket overspeed snapping equipment, the scheme starting the control strategy preset may include steps of:
First, the visibility belonging to air visibility X searching the current environment that above-mentioned visibility meter detects from default visibility list is interval. It should be noted that, associative list 1 is known, the visibility list preset in the present embodiment comprises visibility interval, the division that visibility in the present embodiment is interval, for 300 meters��500 meters, 100 meters��300 meters and illustrate lower than 100 meters, to realize being as the criterion for the fog-zone intellectual inducing CAS of highway, speed limit candid photograph value can make corresponding change according to the demand of user, does not specifically limit.
Herein it should be noted that the fog-zone intellectual inducing CAS of the present embodiment is equal to fog-zone CAS.
Then, the air visibility detected according to visibility meter determines speed limit and candid photograph value (speed limit is equal with candid photograph value). Such as: meet when obtaining the visibility monitoring the target road section obtained in real time: during 300 < X��500, from above-mentioned default visibility list, find the visibility belonging to this visibility interval, and then the speed limit candid photograph value obtaining visibility interval corresponding is 60KM/h; Meet when obtaining the visibility monitoring the target road section obtained in real time: during 100 < X��300, from above-mentioned default visibility list, find the visibility belonging to this visibility interval, and then the speed limit candid photograph value obtaining visibility interval corresponding is 40KM/h; Meet when obtaining the visibility monitoring the target road section obtained in real time: during 0 < X��100, from above-mentioned default visibility list, find the visibility belonging to this visibility interval, and then the speed limit candid photograph value obtaining visibility interval corresponding is 20KM/h.
Finally, control speed limit intelligence equipment and show speed limit information according to speed limit candid photograph value, and/or control bayonet socket overspeed snapping equipment is captured according to speed limit candid photograph value. Such as, variable speed-limit advices plate can be LED variable speed-limit sign board, shows speed limit in real time according to visibility, reminds vehicular traffic in time, and to slow down in entrance fog-zone, speed limit travels. Additionally, automatically revise the candid photograph parameter of bayonet socket overspeed snapping equipment according to testing result, violation vehicle photo enters unlawful data storehouse.
Need exist for illustrate be, in embodiments of the present invention, the fog-zone intellectual inducing avoiding collision for highway of the application has fog-zone driving actively inducing function, the visibility numerical value in real-time monitoring objective section, when low visibility is in predetermined threshold value, system can run the visibility Guidance control strategy corresponding with current visibility numerical value automatically.
Alternatively, in the present embodiment, alarm equipment at least includes: Horn, intelligent fog lamp and alarm screen, wherein, starts the control strategy preset and includes:
Step S142, controls one or more alarm equipments and alerts according to the alarm mode preset, and wherein, the alarm mode preset includes one or more types following: light alarm, sound alarm, word alarm, image alarm.
Alternatively, in the present embodiment, when alarm equipment is Horn, controls one or more alarm devices and alert according to default alarm mode, including:
Step S1421, whether the visibility of target road section that detection acquires presets alarm threshold value less than first;
Step S1422, when visibility presets alarm threshold value less than first, controls Horn and alerts;
Step S1423, when visibility presets alarm threshold value be more than or equal to first, continues the visibility that acquires of detection and whether presets alarm threshold value less than first.
Alternatively, in the present embodiment, control Horn and alert, including:
Step S14221, controls Horn and sends default sound warning signal according to sound alarm mode, and sound warning signal at least includes: presets alarm prompt sound and includes the default alarm prompt voice of warning content.
Needing exist for illustrating, in the present embodiment, when alarm equipment is Horn, above-mentioned Horn, when there is thick fog, heavy rain, severe snow, reports suggestion voice and police whistle sound automatically; This Horn also has the function of remote broadcast calling, monitoring, recording, voice broadcast; Meanwhile, this Horn with warning lamp synchronous averaging, can also play good warning function.
Alternatively, in the present embodiment, when alarm equipment is intelligent fog lamp, controls one or more alarm devices and alert according to default alarm mode, including:
Step S1424, when the visibility of the target road section acquired presets alarm threshold value less than second, controls intelligent fog lamp and opens;
In the application above-mentioned steps S1424, above-mentioned intelligent fog lamp can be intelligent fog lamp equipment, and this equipment comprises solar energy, lithium battery, charging-discharging controller, wireless module, fog lamp Intelligent control board and radar vehicle checker. Wherein, this intelligent fog lamp can be LED intelligent fog lamp, and shell adopts aluminium alloy or import engineering plastics, unitary design, antitheft installation, the double-colored display of reddish yellow.
Step S1425, after intelligent fog lamp is opened, controls intelligent fog lamp and alerts according to optical alarming mode.
Alternatively, in the present embodiment, after intelligent fog lamp is opened, control intelligent fog lamp and alert according to optical alarming mode, including:
Step S14251, when visibility reduces, controls intelligent fog lamp and improves luminous intensity;
Step S1453, when visibility raises, controls intelligent fog lamp and reduces luminous intensity.
Need exist for illustrate be, when alarm equipment in the present embodiment is intelligent fog lamp, this intelligent fog lamp Penetrating Fog index (i.e. luminous intensity) has automatic regulation function, namely can according to the difference of mistiness degree, can automatically adjust light intensity, improve mist penetration power, be effectively improved the pre-apparent distance of safety of human pilot. In the present embodiment, automatically start intelligent fog lamp it is also possible to regulate the regular quick-fried sudden strain of a muscle of quick-fried sudden strain of a muscle warning lamp according to controlling the air visibility that main frame receives, it is to avoid with the generation reducing vehicle accident. Furthermore, it is possible to keep all drive tests induction unit in net to synchronize light on and off based on GPS high precision clock, driver's eyes, less than 25ms, is not produced the situation that flicker is uneven by synchronization accuracy. Further, it is also possible to utilize Host Computer Software Platform to adjust the frequency of synchronous flashing, to adapt to different road hazard degree and the feedback of different driver.
Alternatively, in the present embodiment, when alarm equipment is alarm screen, controls one or more alarm devices and alert according to default alarm mode, including:
Step S1426, when the visibility of the target road section acquired presets alarm threshold value less than the 3rd, controls alarm screen and shows the alarm word and/or alerting image preset, to alert according to word and/or image alarm mode.
Alternatively, in the present embodiment, after obtaining and monitoring the seeing of the target road section that obtains in real time, method also includes:
Step S13, when the visibility of target road section presets alarm threshold value more than the 4th, detects by the vehicle of predeterminable area in target road section, and any one or more warning lamps in the warning lamp group lighted after vehicle in predeterminable range.
In the application above-mentioned steps S13, the group number of above-mentioned warning lamp group, it is possible to be configured by host computer, to ensure safe early warning distance. Concrete, when the visibility of target road section presets alarm threshold value more than the 4th, detection is by the vehicle of predeterminable area in target road section, a tail display warning light bar travelled with front car is provided for each the vehicle entering fog-zone by the mode of tail, detect the vehicle passed through and light the backward warning lamp group limited in distance, (the fixing often group 20 meters of tail length, the safe distance of 3 groups 60 meters is generally set), along with vehicle forward, tail also can synchronize with vehicle forward to light, and provides the accurate prompting vehicle distance of front truck for rear car.
Below in conjunction with instantiation, the fog-zone intellectual inducing avoiding collision for highway of the embodiment of the present invention is further described. The fog-zone intellectual inducing CAS being still applied to highway in this way is example, has be carried out repeating no more of detailed description. Fig. 2 is the flow chart of a kind of fog-zone intellectual inducing CAS being applied to highway optionally with the fog-zone intellectual inducing avoiding collision in highway of according to embodiments of the present invention. As in figure 2 it is shown, the implementation of the fog-zone intellectual inducing CAS being applied to highway for the fog-zone intellectual inducing avoiding collision of highway may include steps of:
First, the fog-zone intellectual inducing CAS of this highway obtains the visibility (namely receiving Monitoring Data) monitoring the target road section obtained in real time by visibility detector;
Secondly, the above-mentioned Monitoring Data received is carried out data comparative analysis, concrete, it is that the Monitoring Data received and predetermined decision condition are compared, to judge whether the currently monitored environment has mist;
Wherein, if judging whether the currently monitored environment has the result of mist to be no, then continue to judge that currently whether being carrying out fog-zone guides system; If being currently executing fog-zone to guide system, then interrupt performing fog-zone and guide system. If being currently not carried out fog-zone to guide system, then continue executing with reception Monitoring Data.
Wherein, if judging whether the currently monitored environment has the result of mist to be yes, then the concentration scale of mist is judged. Concrete, now need to start the control strategy preset, from default visibility list, search the visibility belonging to described visibility interval, to determine the control strategy of corresponding level.
Finally, the fog-zone intellectual inducing CAS of this highway performs corresponding function according to the control strategy of corresponding level. Such as, according to default control strategy, revise variable speed-limit sign, carry out broadcast, control intelligent fog lamp, report current state to Surveillance center and carry out vehicle detection spacing induction.
It can thus be appreciated that, for the crashproof inefficient technical problem that the function singleness of fog-zone CAS in correlation technique causes, the application proposes a kind of fog-zone intellectual inducing avoiding collision for highway, the method can apply in the fog-zone intellectual inducing CAS of highway, this system can by intelligent fog lamp, front scattered type visibility detector, Horn, warning lamp, control main frame, variable speed-limit information board, bayonet socket overspeed snapping equipment, transmission network and upper control software platform etc. form, and then visibility is detected in real time by this system according to highway environment change, analyze testing result, start intelligent fog lamp in time, Horn, warning lamp, and capture speed limit according to mistiness degree synchronous vacations variable speed-limit information board and bayonet socket, accomplish a detection, two synchronize, two amendments. this system links each scattered equipment, meteorological condition (i.e. the visibility of target road section) according to detection in real time, when low visibility is in predetermined threshold value, by default speed limit candid photograph value, on-site data processing main frame sends instruction, automatically intelligent fog lamp, Horn, warning lamp are started, and the speed limit of automatic synchronization amendment speed limit intelligence equipment and bayonet socket overspeed snapping equipment, thus playing under the adverse circumstances that visibility is relatively low, correct guiding vehicle passes through in order, it is prevented that the beneficial effect that vehicle collision accident occurs.
It should be noted that, for aforesaid each embodiment of the method, in order to be briefly described, therefore it is all expressed as a series of combination of actions, but those skilled in the art should know, the present invention is not by the restriction of described sequence of movement, because according to the present invention, some step can adopt other orders or carry out simultaneously. Secondly, those skilled in the art also should know, embodiment described in this description belongs to preferred embodiment, necessary to involved action and the module not necessarily present invention.
Through the above description of the embodiments, those skilled in the art is it can be understood that can add the mode of required general hardware platform by software to the method according to above-described embodiment and realize, hardware can certainly be passed through, but in a lot of situation, the former is embodiment more preferably. Based on such understanding, the part that prior art is contributed by technical scheme substantially in other words can embody with the form of software product, this computer software product is stored in a storage medium (such as ROM/RAM, magnetic disc, CD), including some instructions with so that a station terminal equipment (can be mobile phone, computer, server, or the network equipment etc.) method that performs each embodiment of the present invention.
Embodiment two
According to the present embodiment, additionally provide a kind of fog-zone intellectual inducing anticollision device, collision-prevention device for highway, this fog-zone intellectual inducing anticollision device, collision-prevention device being used for highway is mainly used in performing the fog-zone intellectual inducing avoiding collision for highway that embodiment of the present invention foregoing provides, and the fog-zone intellectual inducing anticollision device, collision-prevention device for highway below the present embodiment provided does concrete introduction.
Fig. 3 is the structural representation of a kind of fog-zone intellectual inducing anticollision device, collision-prevention device for highway of according to embodiments of the present invention two, as it is shown on figure 3, this device includes:
First acquisition module 20, for obtaining the visibility monitoring the target road section obtained in real time;
In the present embodiment, the visibility obtaining target road section can be monitored in real time by front scattered type visibility meter, before dissipate type visibility meter and can be installed on above the machine bar of porch field control main frame of fog-zone target road section, can in real time, accurate acquisition weather information on the spot, control accuracy is high. This field control main frame and intelligent fog lamp main control computer, be arranged on the porch of fog-zone target road section, and Party A need to provide AC220V power supply and optical fiber, optical transmitter and receiver, switch. Wherein, above-mentioned visibility meter can in real time, accurate acquisition weather information on the spot, and according to highway environment change, the visibility of target road section is monitored in real time, this visibility meter dissipates type visibility meter before can selecting, wherein, this front scattered type visibility meter angle of scattering covers: scattering before 39 �㡫51 ��, peak wavelength: 870nm, spectral responsivity: peak response is at 870nm, 0.65A/W. Measurement ranges for 5m��10km, when certainty of measurement is less than or equal to 2km, and error �� 2%; When certainty of measurement is 2Km��10km, error �� 5%; When certainty of measurement is 10Km��50km, error �� 15%. The renewal of this front scattered type visibility meter is spaced apart 15 seconds, linear dynamic range: 3000:1, the mean time between failures: more than 18000 hours. Operating ambient temperature: minus 20 degrees is to 60 degree above freezing, and work relative humidity: 0��100%, power supply: DC12V, power: less than 5W, when being detected the air visibility of current environment by this visibility meter, control accuracy is higher.
It is that example illustrates that the equipment only former type visibility meter that dissipates of the visibility of the target road section obtained is monitored in acquisition in the present embodiment in real time, to realize being as the criterion for the fog-zone intellectual inducing anticollision device, collision-prevention device of highway, does not specifically limit.
First processing module 22, for when the visibility of target road section is less than predetermined threshold value, start the control strategy preset, wherein, control strategy at least includes: the fog-zone caution device change controlling target road section according to the visibility monitoring the target road section obtained controls parameter and/or display parameters; Wherein, fog-zone caution device at least includes: speed limit intelligence equipment, bayonet socket overspeed snapping equipment and alarm equipment.
In the present embodiment, above-mentioned default control strategy refers to the control strategy preset in the upper computer software controlling main frame or rear end command centre in advance at the scene. wherein, the node capacity of above-mentioned field control main frame is less than or equal to 65535, and operating temperature is-20 DEG C��60 DEG C, and communication interface can select RJ45, wave point, RS485, I/O switch amount node etc., running voltage is: AC176��264V, 48��52HZ, power is less than or equal to 10W. it should be noted that, the fog-zone intellectual inducing avoiding collision for highway that the present embodiment provides, the method has closed-loop automatic control ability, according to highway environment change, the visibility of target road section can be monitored in real time, and analyze testing result, when the visibility of target road section is less than predetermined threshold value, start the control strategy preset, and then start alarm equipment in time, and the speed limit of overspeed snapping equipment is captured according to mistiness degree synchronous vacations speed limit intelligence equipment and bayonet socket, thus playing under the adverse circumstances that visibility is relatively low, correct guiding vehicle passes through in order, reach the beneficial effect preventing vehicle collision accident from occurring.
From the foregoing, it will be observed that the scheme that the above embodiments of the present application two provide, by the first acquisition module 20, for obtaining the visibility monitoring the target road section obtained in real time; First processing module 22, for when the visibility of target road section is less than predetermined threshold value, start the control strategy preset, wherein, control strategy at least includes: the fog-zone caution device change controlling target road section according to the visibility monitoring the target road section obtained controls parameter and/or display parameters; Wherein, fog-zone caution device at least includes: speed limit intelligence equipment, bayonet socket overspeed snapping equipment and alarm equipment, and then the crashproof inefficient technical problem that the function singleness solving fog-zone of the prior art CAS causes.
Alternatively, in the present embodiment, the first processing module includes:
First searches submodule, interval for the visibility searched from default visibility list belonging to visibility.
In the present embodiment, above-mentioned default visibility list refers to the list of the relevant limit value preset in the upper computer software controlling main frame or rear end command centre in advance at the scene.
First obtains submodule, for obtaining the speed limit candid photograph value that visibility interval is corresponding;
First processes submodule, is used for controlling speed limit intelligence equipment and shows speed limit information according to speed limit candid photograph value, and/or control bayonet socket overspeed snapping equipment is captured according to speed limit candid photograph value.
In the present embodiment, above-mentioned speed limit intelligence equipment is variable speed-limit advices plate, the overspeed snapping value of the speed limit of variable speed-limit advices plate and bayonet socket overspeed snapping equipment is mainly preset in in-situ processing main frame, have in-situ processing main frame to send instruction to field apparatus to perform, the host computer of rear end command centre also can process main frame by remote scene simultaneously, carry out the amendment of every preset value and show speed limit information, in addition, the host computer of above-mentioned rear end command centre has center Upper system software, this software has the advantage that based on B/S framework, support that many cover systems are simultaneously online, multi-user management, supports that multistage authority is distributed, center upper computer software and fielded system network service, support field equipment state passback and state shows and automatically and manually open mode controls.
Below in conjunction with instantiation, the fog-zone intellectual inducing avoiding collision for highway of the embodiment of the present invention is further described. Had be carried out repeating no more of detailed description. When fog-zone caution device is speed limit intelligence equipment and/or bayonet socket overspeed snapping equipment, the scheme starting the control strategy preset may include steps of:
First, the visibility belonging to air visibility X searching the current environment that above-mentioned visibility meter detects from default visibility list is interval. It should be noted that, associative list 1 is known, the visibility list preset in the present embodiment comprises visibility interval, the division that visibility in the present embodiment is interval, for 300 meters��500 meters, 100 meters��300 meters and illustrate lower than 100 meters, to realize being as the criterion for the fog-zone intellectual inducing CAS of highway, speed limit candid photograph value can make corresponding change according to the demand of user, does not specifically limit.
Then, the air visibility detected according to visibility meter determines speed limit and candid photograph value (speed limit is equal with candid photograph value). Such as: meet when obtaining the visibility monitoring the target road section obtained in real time: during 300 < X��500, from above-mentioned default visibility list, find the visibility belonging to this visibility interval, and then the speed limit candid photograph value obtaining visibility interval corresponding is 60KM/h; Meet when obtaining the visibility monitoring the target road section obtained in real time: during 100 < X��300, from above-mentioned default visibility list, find the visibility belonging to this visibility interval, and then the speed limit candid photograph value obtaining visibility interval corresponding is 40KM/h; Meet when obtaining the visibility monitoring the target road section obtained in real time: during 0 < X��100, from above-mentioned default visibility list, find the visibility belonging to this visibility interval, and then the speed limit candid photograph value obtaining visibility interval corresponding is 20KM/h.
Finally, control speed limit intelligence equipment and show speed limit information according to speed limit candid photograph value, and/or control bayonet socket overspeed snapping equipment is captured according to speed limit candid photograph value. Such as, variable speed-limit advices plate can be LED variable speed-limit sign board, shows speed limit in real time according to visibility, reminds vehicular traffic in time, and to slow down in entrance fog-zone, speed limit travels. Additionally, automatically revise the candid photograph parameter of bayonet socket overspeed snapping equipment according to testing result, violation vehicle photo enters unlawful data storehouse.
Need exist for illustrate be, in embodiments of the present invention, the fog-zone intellectual inducing avoiding collision for highway of the application has fog-zone driving actively inducing function, the visibility numerical value in real-time monitoring objective section, when low visibility is in predetermined threshold value, system can run the visibility Guidance control strategy corresponding with current visibility numerical value automatically.
Alternatively, in the present embodiment, alarm equipment at least includes: Horn, intelligent fog lamp and alarm screen, and the first processing module includes:
First alarm module, alerts according to the alarm mode preset for controlling one or more alarm equipments, and wherein, the alarm mode preset includes one or more types following: light alarm, sound alarm, word alarm, image alarm.
Alternatively, in the present embodiment, when alarm equipment is Horn, the first processing module includes:
First detection sub-module, whether the visibility for detecting the target road section acquired presets alarm threshold value less than first;
Second processes submodule, for when visibility presets alarm threshold value less than first, controlling Horn and alert;
Second detection sub-module, for when visibility presets alarm threshold value be more than or equal to first, continues the visibility that acquires of detection and whether presets alarm threshold value less than first.
Alternatively, in the present embodiment, the second process submodule includes:
Second alarm subelement, sends default sound warning signal for controlling Horn according to sound alarm mode, and sound warning signal at least includes: presets alarm prompt sound and includes the default alarm prompt voice of warning content.
Needing exist for illustrating, in the present embodiment, when alarm equipment is Horn, above-mentioned Horn, when there is thick fog, heavy rain, severe snow, reports suggestion voice and police whistle sound automatically; This Horn also has the function of remote broadcast calling, monitoring, recording, voice broadcast; Meanwhile, this Horn with warning lamp synchronous averaging, can also play good warning function.
Alternatively, in the present embodiment, when alarm equipment is intelligent fog lamp, the first alarm module includes:
3rd processes submodule, for when the visibility of the target road section acquired presets alarm threshold value less than second, controlling intelligent fog lamp and open;
In the present embodiment, above-mentioned intelligent fog lamp can be intelligent fog lamp equipment, and this equipment comprises solar energy, lithium battery, charging-discharging controller, wireless module, fog lamp Intelligent control board and radar vehicle checker. Wherein, this intelligent fog lamp can be LED intelligent fog lamp, and shell adopts aluminium alloy or import engineering plastics, unitary design, antitheft installation, the double-colored display of reddish yellow.
3rd alarm submodule, after opening in intelligent fog lamp, controls intelligent fog lamp and alerts according to optical alarming mode.
Alternatively, in the present embodiment, the 3rd alarm submodule includes:
First controls subelement, for when visibility reduces, controlling intelligent fog lamp and improve luminous intensity;
Second controls subelement, for when visibility raises, controlling intelligent fog lamp and reduce luminous intensity.
Need exist for illustrate be, when alarm equipment in the present embodiment is intelligent fog lamp, this intelligent fog lamp Penetrating Fog index (i.e. luminous intensity) has automatic regulation function, namely can according to the difference of mistiness degree, can automatically adjust light intensity, improve mist penetration power, be effectively improved the pre-apparent distance of safety of human pilot. Furthermore, it is possible to keep all drive tests induction unit in net to synchronize light on and off based on GPS high precision clock, driver's eyes, less than 25ms, is not produced the situation that flicker is uneven by synchronization accuracy. Further, it is also possible to utilize Host Computer Software Platform to adjust the frequency of synchronous flashing, to adapt to different road hazard degree and the feedback of different driver.
Alternatively, in the present embodiment, when alarm equipment is alarm screen, the first alarm module includes:
4th alerts submodule, for when the visibility of the target road section acquired presets alarm threshold value less than the 3rd, controlling alarm screen and show the alarm word and/or alerting image preset, to alert according to word and/or image alarm mode.
Alternatively, in the present embodiment, the fog-zone intellectual inducing anticollision device, collision-prevention device for highway also includes:
Second processing module, for when the visibility of target road section presets alarm threshold value more than the 4th, detects by the vehicle of predeterminable area in target road section, and any one or more warning lamps in the warning lamp group lighted after vehicle in predeterminable range.
In the present embodiment, the group number of above-mentioned warning lamp group, it is possible to be configured by host computer, to ensure safe early warning distance. Concrete, when the visibility of target road section presets alarm threshold value more than the 4th, detection is by the vehicle of predeterminable area in target road section, a tail display warning light bar travelled with front car is provided for each the vehicle entering fog-zone by the mode of tail, detect the vehicle passed through and light the backward warning lamp group limited in distance, (the fixing often group 20 meters of tail length, the safe distance of 3 groups 60 meters is generally set), along with vehicle forward, tail also can synchronize with vehicle forward to light, and provides the accurate prompting vehicle distance of front truck for rear car.
It can thus be appreciated that, for the crashproof inefficient technical problem that the function singleness of fog-zone CAS in correlation technique causes, the application proposes a kind of fog-zone intellectual inducing anticollision device, collision-prevention device for highway, this device can apply in the fog-zone intellectual inducing CAS of highway, this system can by intelligent fog lamp, front scattered type visibility detector, Horn, warning lamp, control main frame, variable speed-limit information board, bayonet socket overspeed snapping equipment, transmission network and upper control software platform etc. form, and then visibility is detected in real time by this system according to highway environment change, analyze testing result, start intelligent fog lamp in time, Horn, warning lamp, and capture speed limit according to mistiness degree synchronous vacations variable speed-limit information board and bayonet socket, accomplish a detection, two synchronize, two amendments. this system links each scattered equipment, meteorological condition (i.e. the visibility of target road section) according to detection in real time, when low visibility is in predetermined threshold value, by default speed limit candid photograph value, on-site data processing main frame sends instruction, automatically intelligent fog lamp, Horn, warning lamp are started, and the speed limit of automatic synchronization amendment speed limit intelligence equipment and bayonet socket overspeed snapping equipment, thus playing under the adverse circumstances that visibility is relatively low, correct guiding vehicle passes through in order, it is prevented that the beneficial effect that vehicle collision accident occurs.
The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.
In the above embodiment of the present invention, the description of each embodiment is all emphasized particularly on different fields, certain embodiment there is no the part described in detail, it is possible to referring to the associated description of other embodiments.
In several embodiments provided herein, it should be understood that disclosed technology contents, can realize by another way. Wherein, device embodiment described above is merely schematic, the such as division of described unit, can be that a kind of logic function divides, actual can have other dividing mode when realizing, such as multiple unit or assembly can in conjunction with or be desirably integrated into another system, or some features can be ignored, or does not perform. Another point, shown or discussed coupling each other or direct-coupling or communication connection can be through INDIRECT COUPLING or the communication connection of some interfaces, unit or module, it is possible to be electrical or other form.
The described unit illustrated as separating component can be or may not be physically separate, and the parts shown as unit can be or may not be physical location, namely may be located at a place, or can also be distributed on multiple unit. Some or all of unit therein can be selected according to the actual needs to realize the purpose of the present embodiment scheme.
It addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it is also possible to be that unit is individually physically present, it is also possible to two or more unit are integrated in a unit. Above-mentioned integrated unit both can adopt the form of hardware to realize, it would however also be possible to employ the form of SFU software functional unit realizes.
If described integrated unit is using the form realization of SFU software functional unit and as independent production marketing or use, it is possible to be stored in a computer read/write memory medium. Based on such understanding, part or all or part of of this technical scheme that prior art is contributed by technical scheme substantially in other words can embody with the form of software product, this computer software product is stored in a storage medium, including some instructions with so that a computer equipment (can for personal computer, server or the network equipment etc.) performs all or part of step of method described in each embodiment of the present invention. And aforesaid storage medium includes: USB flash disk, read only memory (ROM, Read-OnlyMemory), the various media that can store program code such as random access memory (RAM, RandomAccessMemory), portable hard drive, magnetic disc or CD.
The above is only the preferred embodiment of the present invention; it should be pointed out that, for those skilled in the art, under the premise without departing from the principles of the invention; can also making some improvements and modifications, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (18)
1. the fog-zone intellectual inducing avoiding collision for highway, it is characterised in that including:
Obtain the visibility monitoring the target road section obtained in real time;
When the visibility of described target road section is less than predetermined threshold value, start the control strategy preset, wherein, described control strategy at least includes: the fog-zone caution device change controlling described target road section according to the visibility monitoring the described target road section obtained controls parameter and/or display parameters;
Wherein, described fog-zone caution device at least includes: speed limit intelligence equipment, bayonet socket overspeed snapping equipment and alarm equipment.
2. method according to claim 1, it is characterised in that when described fog-zone caution device is described speed limit intelligence equipment and/or bayonet socket overspeed snapping equipment, starts the control strategy preset, including:
The visibility belonging to described visibility is searched interval from default visibility list;
Obtain the speed limit candid photograph value that described visibility interval is corresponding;
Control described speed limit intelligence equipment and show speed limit information according to described speed limit candid photograph value, and/or control described bayonet socket overspeed snapping equipment and capture according to described speed limit candid photograph value.
3. method according to claim 1, it is characterised in that described alarm equipment at least includes: Horn, intelligent fog lamp and alarm screen, wherein, starts the control strategy preset and includes:
Controlling one or more alarm equipments to alert according to the alarm mode preset, wherein, described default alarm mode includes one or more types following: light alarm, sound alarm, word alarm, image alarm.
4. method according to claim 3, it is characterised in that when described alarm equipment is described Horn, controls one or more alarm devices and alerts according to default alarm mode, including:
Whether the visibility of described target road section that detection acquires presets alarm threshold value less than first;
When described visibility presets alarm threshold value less than described first, control described Horn and alert;
When described visibility presets alarm threshold value be more than or equal to described first, continue the described visibility that acquires of detection and whether preset alarm threshold value less than first.
5. method according to claim 4, it is characterised in that control described Horn and alert, including:
Controlling described Horn and send default sound warning signal according to sound alarm mode, described sound warning signal at least includes: presets alarm prompt sound and includes the default alarm prompt voice of warning content.
6. method according to claim 3, it is characterised in that when described alarm equipment is described intelligent fog lamp, controls one or more alarm devices and alerts according to default alarm mode, including:
When the visibility of the described target road section acquired presets alarm threshold value less than second, control described intelligent fog lamp and open;
After described intelligent fog lamp is opened, control described intelligent fog lamp and alert according to optical alarming mode.
7. method according to claim 6, it is characterised in that after described intelligent fog lamp is opened, control described intelligent fog lamp and alert according to optical alarming mode, including:
When described visibility reduces, control described intelligent fog lamp and improve luminous intensity;
When described visibility raises, control described intelligent fog lamp and reduce described luminous intensity.
8. method according to claim 3, it is characterised in that when described alarm equipment is described alarm screen, controls one or more alarm devices and alerts according to default alarm mode, including:
When the visibility of the described target road section acquired presets alarm threshold value less than the 3rd, control described alarm screen and show the alarm word and/or alerting image preset, to alert according to described word and/or image alarm mode.
9. method according to claim 1, it is characterised in that after obtaining and monitoring the seeing of the target road section that obtains in real time, described method also includes:
When the visibility of described target road section presets alarm threshold value more than the 4th, detect by the vehicle of predeterminable area in described target road section, and any one or more warning lamps in the warning lamp group lighted after described vehicle in predeterminable range.
10. the fog-zone intellectual inducing anticollision device, collision-prevention device for highway, it is characterised in that including:
First acquisition module, for obtaining the visibility monitoring the target road section obtained in real time;
First processing module, for when the visibility of described target road section is less than predetermined threshold value, start the control strategy preset, wherein, described control strategy at least includes: the fog-zone caution device change controlling described target road section according to the visibility monitoring the described target road section obtained controls parameter and/or display parameters;
Wherein, described fog-zone caution device at least includes: speed limit intelligence equipment, bayonet socket overspeed snapping equipment and alarm equipment.
11. device according to claim 10, it is characterised in that described first processing module includes:
First searches submodule, interval for the visibility searched from default visibility list belonging to described visibility;
First obtains submodule, for obtaining the speed limit candid photograph value that described visibility interval is corresponding;
First processes submodule, is used for controlling described speed limit intelligence equipment and shows speed limit information according to described speed limit candid photograph value, and/or controls described bayonet socket overspeed snapping equipment and capture according to described speed limit candid photograph value.
12. device according to claim 10, it is characterised in that described alarm equipment at least includes: Horn, intelligent fog lamp and alarm screen, described first processing module includes:
First alarm module, alerts according to the alarm mode preset for controlling one or more alarm equipments, and wherein, described default alarm mode includes one or more types following: light alarm, sound alarm, word alarm, image alarm.
13. device according to claim 12, it is characterised in that when described alarm equipment is described Horn, described first processing module includes:
First detection sub-module, whether the visibility for detecting the described target road section acquired presets alarm threshold value less than first;
Second processes submodule, for when described visibility presets alarm threshold value less than described first, controlling described Horn and alert;
Second detection sub-module, for when described visibility presets alarm threshold value be more than or equal to described first, continues the described visibility that acquires of detection and whether presets alarm threshold value less than first.
14. device according to claim 13, it is characterised in that described second processes submodule includes:
Second alarm subelement, sends default sound warning signal for controlling described Horn according to sound alarm mode, and described sound warning signal at least includes: presets alarm prompt sound and includes the default alarm prompt voice of warning content.
15. device according to claim 12, it is characterised in that when described alarm equipment is described intelligent fog lamp, described first alarm module includes:
3rd processes submodule, for when the visibility of the described target road section acquired presets alarm threshold value less than second, controlling described intelligent fog lamp and open;
3rd alarm submodule, after opening in described intelligent fog lamp, controls described intelligent fog lamp and alerts according to optical alarming mode.
16. device according to claim 15, it is characterised in that described 3rd alarm submodule includes:
First controls subelement, for when described visibility reduces, controlling described intelligent fog lamp and improve luminous intensity;
Second controls subelement, for when described visibility raises, controlling described intelligent fog lamp and reduce described luminous intensity.
17. device according to claim 12, it is characterised in that when described alarm equipment is described alarm screen, described first alarm module includes:
4th alarm submodule, for when the visibility of the described target road section acquired presets alarm threshold value less than the 3rd, control described alarm screen and show the alarm word and/or alerting image preset, to alert according to described word and/or image alarm mode.
18. device according to claim 10, it is characterised in that described device also includes:
Second processing module, for when the visibility of described target road section presets alarm threshold value more than the 4th, detect by the vehicle of predeterminable area in described target road section, and any one or more warning lamps in the warning lamp group lighted after described vehicle in predeterminable range.
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