CN105155433A - Lamplight assisting vehicle distance judgment system and method for dense fog region of expressway - Google Patents
Lamplight assisting vehicle distance judgment system and method for dense fog region of expressway Download PDFInfo
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- CN105155433A CN105155433A CN201510504358.2A CN201510504358A CN105155433A CN 105155433 A CN105155433 A CN 105155433A CN 201510504358 A CN201510504358 A CN 201510504358A CN 105155433 A CN105155433 A CN 105155433A
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Abstract
The invention provides a lamplight assisting vehicle distance judgment system for a dense fog region of an expressway. The system comprises a dense fog detection unit, a controller, a power supply unit and a lamplight set. When dense fog is detected through the dense fog detection unit, the controller controls the lamplight set to be turned on. The lamplight set comprises lamps in two or more colors, the lamps are arranged alternately along a road, emitted light beams are transmitted horizontally along the road and perpendicular to the vehicle running direction, the intervals between the light beams are equal, and the light beams are arranged high and low in a staggered manner; and the intervals between the light beams are larger than or equal to the stopping sight distance under the maximum speed of the road segment of the expressway. By the adoption of the system, the dense fog is detected through the dense fog detection unit, an instruction is sent out through the controller, the lamplight set is turned on, the bright light beams are generated in the fog through the Tyndall effect, a driver judges whether an obstacle exists in a safety region in front of the driver or not through the integrity of the light beams, needed information of the driver in the dense fog is provided, the speed difference is reduced, and the traffic efficiency and safety on foggy days are improved greatly.
Description
Technical field
The invention belongs to the lighting system of speedway auxiliary security, being specifically related to a kind of speedway thick fog district light aid vehicle apart from judging system and method.
Background technology
China's speedway is many by the extreme terrain such as mountain area, hills, and thick fog happens occasionally.The visibility that thick fog mist causes reduces the traffic safety having a strong impact on speedway, and brings huge economic loss.And thick fog cause traffic accident be often many cars the chain of rings knock into the back weight, especially big pernicious traffic accident.Speedway thick fog problems demand solves.
The main thought solving speedway thick fog problem at present is both at home and abroad detected the appearance of thick fog, then make the reaction such as road closure, the early warning of dynamic information plate by control centre.For these class methods, before thick fog has just occurred or thick fog occurs, just enter the vehicle in section on the one hand, not by the generation not also being apprised of thick fog of restricting driving, be still subject to the impact of thick fog.On the other hand, due to involving great expense of this type systematic, be difficult to popularize in the country of economics of underdevelopment and area.And this type systematic does not help the speedway meeting greasy weather demand of passing through, still there is speedway and close the economic loss brought.
In general, existing expressway fog zone security system promptness is poor, costly, to solve power weak, and urgently new security system solves the thick fog problem of speedway further.
Summary of the invention
The technical problem to be solved in the present invention is: provide a kind of speedway thick fog district light aid vehicle apart from judging system and method, driver can be made to judge in the safety zone in front, there is clear (referring to front truck) by the integrality of light beam more, give driver information needed in thick fog, improve greasy weather traffic efficiency and safety.
The present invention for solving the problems of the technologies described above taked technical scheme is: a kind of speedway thick fog district light aid vehicle is apart from judging system, it is characterized in that: it comprises thick fog detecting unit, controller, power supply unit and light group, when thick fog detecting unit detects thick fog, controller controls light group bright light, and power supply unit is used for power supply;
Described light group comprises the lamp of 2 kinds or two or more color, is arranged alternately along road, and the light beam got is along the injection of road level, vertical with direction of traffic, and the spacing of light beam is equal, and the height of light beam is that height is staggered; The spacing of the described light velocity is more than or equal to the stopping sight distance under the max. speed of place express highway section.
By said system, described thick fog detecting unit is humidity measurement instrument.
By said system, described power supply unit is solar cell for supplying power module, and thick fog detecting unit and controller are arranged in waterproof box body, and solar cell for supplying power module and waterproof box body are fixed on outside the corrugated guardrail column of speedway.
By said system, described light group is Fog lamp, comprises amber light and red light.
By said system, described light group is the lamp of 2 kinds of colors, one high and one low staggered, and height is distance ground 80cm, and low is distance ground 40cm.
By said system, the spacing of described light beam is 50m.
Based on above-mentioned speedway thick fog district light aid vehicle apart from judging to it is characterized in that the spacing determination methods that system realizes: when vehicle is through thick fog region, upper and lower two complete collimated light beams can be seen, or more collimated light beam, be considered as safety; When being merely able to see a complete collimated light beam, be considered as danger.
Beneficial effect of the present invention is:
1, the present invention detects the generation of thick fog by thick fog detecting unit, instruction is sent via controller, light group lights, in mist, bright light beam is formed by Tyndall effect, driver judges there is clear (referring to front truck) in the safety zone in front by the integrality of light beam more, give driver information needed in thick fog, reduce speed difference, significantly improve greasy weather traffic efficiency and safety.
2, with humidity measurement instrument detect thick fog occur, compare a large amount of financial cost of visibility detector saving, even and if humidity measurement instrument has been mistaken for thick fog when not having thick fog, light group lights and can't form obvious light beam, and driver can not be hindered normally to travel.
3, because the thick fog time is short, therefore utilize solar cell for supplying power module can meet its electricity requirement, save the cost of electric energy further; Present system controller is small and exquisite, is only a single-chip microcomputer, without the need to being connected with main equipment, only needs native system to be arranged on section in need, and exploitativeness is strong, and business is widely used.
4, adopt yellow, red two kinds of Fog lamps, avoid the beam combination of same color to disturb, and gold-tinted mist transmitting is strong, easily opinion property is high for ruddiness, the light of these two kinds of colors can cause driver to note.
5,40cm and 80cm two kinds of high cross are arranged, and the light beam avoiding sustained height to bring blocks, and also avoid light beam higher than driver's eyes height thus the visual field of interference driver simultaneously.
Accompanying drawing explanation
Fig. 1 is the schematic top plan view under two cars is in dangerous relative position.
Fig. 2 is the backsight actual conditions schematic diagram under two cars is in dangerous relative position.
Fig. 3 is the backsight driver finding schematic diagram under two cars is in dangerous relative position.
Fig. 4 is the schematic top plan view under two cars is in safe relative position.
Fig. 5 is the backsight actual conditions schematic diagram under two cars is in safe relative position.
Fig. 6 is the backsight driver finding schematic diagram under two cars is in safe relative position.
In figure: 1-red beam, the yellow light beam of 2-, 3-front truck, 4-rear car, 5-LED Fog lamp, 6-corrugated guardrail.
Detailed description of the invention
Below in conjunction with instantiation and accompanying drawing, the present invention will be further described.
The invention provides a kind of speedway thick fog district light aid vehicle apart from judgement system, comprise thick fog detecting unit, controller, power supply unit and light group, when thick fog detecting unit detects thick fog, controller controls light group bright light, and power supply unit is used for power supply;
Described light group comprises the lamp of 2 kinds or two or more color, be arranged alternately along road, the light beam got penetrates along road level, vertical with direction of traffic, and the spacing of light beam is equal, the height of light beam is that height is staggered, and generally for and avoid spacing color mixed effect, the lamp height of same color is identical; The spacing of the described light velocity is more than or equal to the stopping sight distance under the max. speed of place express highway section.
From cost-saving angle, the present embodiment selects humidity measurement instrument as thick fog detecting unit.
Further, described power supply unit is solar cell for supplying power module, and thick fog detecting unit and controller are arranged in waterproof box body, and solar cell for supplying power module and waterproof box body are fixed on outside the corrugated guardrail column of speedway.Because thick fog time every day mostly is 2 hours most in the present embodiment, delivery 0.2m needed for system
2solar panel provide.Power supply unit rivet and iron plate are fixed on corrugated guardrail column, and are arranged on outside guardrail, prevent the extension that is not intended to of vehicle from touching.Higher lamp source is laid above column, and lower lamp source rivet and iron plate are arranged on column side.Control line and supply lines are hidden in the groove of corrugated guardrail.
Preferably, described light group is Fog lamp, comprises amber light and red light.
Preferably, described light group is the lamp of 2 kinds of colors, one high and one low staggered, and height is distance ground 80cm, and low is distance ground 40cm.
The spacing of described light beam is 50m.This spacing is the stopping sight distance calculated under the speed of a motor vehicle is the condition of 50km/h, can judge safety zone when ensureing that driver sees more than two light beams.During embody rule, also can set according to these speedway actual conditions.
Based on above-mentioned speedway thick fog district light aid vehicle apart from judging the spacing determination methods that system realizes, when vehicle is through thick fog region, upper and lower two complete collimated light beams can be seen, or more collimated light beam, be considered as safety, as Figure 4-Figure 6; When being merely able to see a complete collimated light beam, be considered as danger, as shown in Figure 1-Figure 3.
During embody rule, the corrugated guardrail 6 in the multiple location of the thick fog of speedway is installed LED Fog lamp 5 and thick fog detecting unit, controller, power supply unit and light group; When thick fog occurs, LED Fog lamp 5 lights, the distance that interval is fixing, penetrates red beam 1 and yellow light beam 2 successively.
Under danger position, as depicted in figs. 1 and 2, rear car 4 cannot see front truck 3 in thick fog, but due to Tyndall effect, can see red beam 1 and yellow light beam 2, due to blocking of front truck 3, the driver of rear car 4 can not see complete red beam 1, but can see not by the complete yellow light beam 2 that front truck 3 blocks, as shown in Figure 3.Now, rear car 4 judges that front truck 3 is in deathtrap, takes corresponding measure.
Under home, as shown in Figure 4 and Figure 5, to be separated by between front truck 3 and rear car 4 plural light beam (two spacing of light beam is set to safe distance); Under home, rear car 4 can see two complete light beams 1, light beams 2, and as shown in Figure 6, the driver of rear car 4 can judge clear in safety zone, can keep the speed of a motor vehicle.
The invention has the advantages that: 1) realize autoreaction system at express highway section, in real time, effectively make thick fog reaction.2) utilize humidity measurement instrument to detect the appearance of thick fog, save great amount of cost, large output can promote in each section.3) utilize the self-characteristic of mist, the light beam proposing to utilize Tyndall effect to be formed provides security information for driver, and mist is denseer, and light beam is more obvious.4) utilize and simply block principle for driver and provide safe distance information, the space confirmation board compared to roadside has advantage definitely intuitively.5) by providing safe distance information, driver can be kept being unlikely to the too low speed of a motor vehicle, stablizes car speed in mist poor.6) ensure certain greasy weather traffic capacity, decrease the delay economic loss because the greasy weather brings.
Above embodiment is only for illustration of design philosophy of the present invention and feature, and its object is to enable those skilled in the art understand content of the present invention and implement according to this, protection scope of the present invention is not limited to above-described embodiment.So all equivalent variations of doing according to disclosed principle, mentality of designing or modification, all within protection scope of the present invention.
Claims (7)
1. a speedway thick fog district light aid vehicle is apart from judging system, it is characterized in that: it comprises thick fog detecting unit, controller, power supply unit and light group, when thick fog detecting unit detects thick fog, controller controls light group bright light, and power supply unit is used for power supply;
Described light group comprises the lamp of 2 kinds or two or more color, is arranged alternately along road, and the light beam got is along the injection of road level, vertical with direction of traffic, and the spacing of light beam is equal, and the height of light beam is that height is staggered; The spacing of the described light velocity is more than or equal to the stopping sight distance under the max. speed of place express highway section.
2. speedway thick fog district according to claim 1 light aid vehicle is apart from judging system, it is characterized in that: described thick fog detecting unit is humidity measurement instrument.
3. speedway thick fog district according to claim 1 light aid vehicle is apart from judging system, it is characterized in that: described power supply unit is solar cell for supplying power module, thick fog detecting unit and controller are arranged in waterproof box body, and solar cell for supplying power module and waterproof box body are fixed on outside the corrugated guardrail column of speedway.
4. speedway thick fog district according to claim 1 light aid vehicle is apart from judging system, it is characterized in that: described light group is Fog lamp, comprises amber light and red light.
5. the speedway thick fog district light aid vehicle according to claim 1 or 4, apart from judging system, is characterized in that: described light group is the lamp of 2 kinds of colors, one high and one low staggered, and height is distance ground 80cm, and low is distance ground 40cm.
6. the speedway thick fog district light aid vehicle according to claim 1 or 4, apart from judging system, is characterized in that: the spacing of described light beam is 50m.
7. judge based on speedway thick fog district according to claim 1 light aid vehicle distance the spacing determination methods that system realizes, it is characterized in that: when vehicle is through thick fog region, upper and lower two complete collimated light beams can be seen, or more collimated light beam, be considered as safety; When being merely able to see a complete collimated light beam, be considered as danger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510504358.2A CN105155433B (en) | 2015-08-17 | 2015-08-17 | Highway thick fog area light auxiliary spacing judges system and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510504358.2A CN105155433B (en) | 2015-08-17 | 2015-08-17 | Highway thick fog area light auxiliary spacing judges system and method |
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| Publication Number | Publication Date |
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| CN105155433A true CN105155433A (en) | 2015-12-16 |
| CN105155433B CN105155433B (en) | 2018-06-26 |
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| CN201510504358.2A Expired - Fee Related CN105155433B (en) | 2015-08-17 | 2015-08-17 | Highway thick fog area light auxiliary spacing judges system and method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108665730A (en) * | 2018-06-27 | 2018-10-16 | 佛山市锐科菲达科技有限公司 | Rain and fog weather speed car is far from alarm set |
| WO2018223291A1 (en) * | 2017-06-06 | 2018-12-13 | 梁卓樑 | Distance indication system |
| CN115938107A (en) * | 2022-10-13 | 2023-04-07 | 浙江柯瑞普科技有限公司 | Intelligent traffic safety driving visual warning system and method |
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| CN1696990A (en) * | 2004-05-12 | 2005-11-16 | 宋怀淳 | Early warming system guarding against catching up rear end of car in highway at foggy days |
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| CN102842240A (en) * | 2012-09-07 | 2012-12-26 | 辽宁金洋集团信息技术有限公司 | Early warning system for safety traffic of vehicle in fog region and safety traffic guidance method based on early warning system |
| CN103500519A (en) * | 2013-10-12 | 2014-01-08 | 北京中交华安科技有限公司 | Fog region driving safety intelligent guiding system and method |
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2015
- 2015-08-17 CN CN201510504358.2A patent/CN105155433B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2003119729A (en) * | 2001-10-18 | 2003-04-23 | Sekisui Jushi Co Ltd | Method for light-emitting self-luminous type sight-line guide apparatus and self-luminous type sight-line guide apparatus |
| CN1696990A (en) * | 2004-05-12 | 2005-11-16 | 宋怀淳 | Early warming system guarding against catching up rear end of car in highway at foggy days |
| KR20110022861A (en) * | 2009-08-28 | 2011-03-08 | 한국전기교통 주식회사 | System for informing distance between cars |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2018223291A1 (en) * | 2017-06-06 | 2018-12-13 | 梁卓樑 | Distance indication system |
| CN108665730A (en) * | 2018-06-27 | 2018-10-16 | 佛山市锐科菲达科技有限公司 | Rain and fog weather speed car is far from alarm set |
| CN115938107A (en) * | 2022-10-13 | 2023-04-07 | 浙江柯瑞普科技有限公司 | Intelligent traffic safety driving visual warning system and method |
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| CN105155433B (en) | 2018-06-26 |
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