CN104021699A - Tunnel portal barrier prompting system - Google Patents
Tunnel portal barrier prompting system Download PDFInfo
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- CN104021699A CN104021699A CN201410242006.XA CN201410242006A CN104021699A CN 104021699 A CN104021699 A CN 104021699A CN 201410242006 A CN201410242006 A CN 201410242006A CN 104021699 A CN104021699 A CN 104021699A
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- barrier
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- display lamp
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Abstract
The invention discloses a tunnel portal barrier prompting system. The tunnel portal barrier prompting system is characterized by comprising a barrier detection device, a control device and a display lamp set. The barrier detection device is used for detecting situations of static barriers and moving barriers within the first safety distance range and the second safety distance range in a tunnel and sending detected barrier information to the control device. When the barriers exist within the first safety distance range or the static barriers exist within the second safety distance range, the control device controls the display lamp set to emit red light; when no barrier exists within the first safety distance range and only the moving barriers exist within the second safety distance range, the control device controls the display lamp set to emit yellow light; when no barrier exists within the first safety distance range and the second safety distance range, the control device controls the display lamp set to emit green light. Before entering the tunnel, a driver can know the situations of vehicles and the barriers at the position within a certain range close to a portal in the tunnel and a collision traffic accident caused by a short vision dead zone is avoided.
Description
[technical field]
The present invention relates to a kind of tunnel face obstacle prompt system for vehicle in close entrance certain limit in tunnel and barrier prompting.
[background technology]
According to national traffic department statistics, vehicle enters tunnel face and the ratio of the traffic hazard that bumps is not within minority, this is because the light outside Nei Yu tunnel, tunnel has very large luminance difference, so driver has an of short duration visual adaptation process when driving to enter tunnel, there is of short duration vision dead zone, if now at a distance there is not the very slow vehicle of the speed of a motor vehicle in tunnel from tunnel face or parking cars or during other barrier, even driver's regulation speed in accordance with regulations so, but can be very easy to bump with front truck or barrier, this basic reason that tunnel portal collision traffic hazard takes place frequently just, and do not have at present special tunnel face obstacle prompt system to address the above problem specially.
[summary of the invention]
In view of the deficiencies in the prior art, the technical problem to be solved in the present invention is to be to provide a kind of for driver, before entering tunnel prerequisite, to understand in tunnel near vehicle condition in entrance certain limit, avoids because of the bump tunnel face obstacle prompt system of traffic hazard of of short duration vision dead zone.
For solving the problems of the technologies described above, the present invention takes following technical scheme to complete:
Tunnel face obstacle prompt system, it is characterized in that: this system comprises barrier detecting apparatus, control device and display lamp group, display lamp group is installed on the place ahead of tunnel portal, barrier detecting apparatus be installed in tunnel for survey the first nearer safe distance of Nei Li tunnel face, tunnel and from tunnel face the static and moving barrier situation in the second safe distance scope away from, and the obstacle information detecting is issued to control device; In the first safe distance, exist while there is stationary obstruction in barrier or the second safe distance, control device is controlled display lamp group and is shown with red light, in the first safe distance, do not exist while only there is moving barrier in barrier and the second safe distance, control device is controlled display lamp group and is shown with yellow light, while all there is not barrier in first, second safe distance, control device is controlled display lamp group and is shown with green.
Adopt after the obstacle prompt system of above-mentioned tunnel face, driver just can show by being installed on the light of the display lamp group different colours above tunnel portal before entering tunnel, understand in advance in tunnel near vehicle in entrance certain limit and barrier situation, under the prerequisite of regulation speed in accordance with regulations, more can carry out corresponding preparation, as red light, must slowly travel, note observing, after adapting to completely etc. vision, by the normal speed of a motor vehicle, travel again, as amber light, note regulation speed, improve notice, after adapting to completely etc. vision, by the normal speed of a motor vehicle, travel again, as green light, those need in accordance with regulations speed of a motor vehicle travel.Because there has been special signal lamp prompting tunnel face, accurately reflected the interior vehicle of close entrance certain limit and barrier situation in tunnel, thereby driver is aroused attention, effectively avoided the generation of collision traffic hazard.
According to actual conditions, the first safe distance is set as from tunnel face 50m length range, and the second safe distance is set as from tunnel face 50m-150m length range.
As preferably, described barrier detecting apparatus adopts radar detection.Shown in display lamp group by three kinds of display lamps of red, yellow, and green, formed.
[accompanying drawing explanation]
The present invention has following accompanying drawing:
Fig. 1 is the principle of work block diagram of tunnel obstacle prompt system.
[embodiment]
Below in conjunction with accompanying drawing, further describe each details and the principle of work thereof of the specific embodiment of the invention.
Tunnel face of the present invention obstacle prompt system, comprise barrier detecting apparatus (employing radar detection), control device and display lamp group are (by red, yellow, green three kinds of display lamps form), display lamp group is installed on the place ahead of tunnel portal, barrier detecting apparatus is installed in tunnel for surveying the first nearer safe distance of Nei Li tunnel face, tunnel (being set as from tunnel face 50m length range) and the static and moving barrier situation in the second safe distance (being set as from tunnel face 50m-150m length range) away from from tunnel face, and the obstacle information detecting is issued to control device, there is barrier (comprise and travelling or stationary vehicle) or the second safe distance in the first safe distance in, exist stationary obstruction when (comprising stationary vehicle), control device is controlled display lamp group and is shown with red light, in the first safe distance, do not exist while only there is moving barrier in barrier and the second safe distance, control device is controlled display lamp group and is shown with yellow light, while all there is not barrier in first, second safe distance, control device is controlled display lamp group and is shown with green.Above-mentioned control procedure is explained in detail by the principle of work block diagram of Fig. 1.
Adopt after the obstacle prompt system of above-mentioned tunnel face, radar detection just can be surveyed the moving vehicle in the 150m length range of Nei Li tunnel face, tunnel, stationary vehicle and other barrier situation, by control device, result of detection is shown above tunnel face by display lamp group different colours light, thereby remind driver before entering tunnel, to carry out corresponding preparation, reduce the speed of a motor vehicle, note observing, etc. vision, carry out again travelling of the normal speed of a motor vehicle after adapting to completely, effectively avoid in the traffic hazard that bumps near position, tunnel face.
Claims (4)
1. tunnel face obstacle prompt system, it is characterized in that: this system comprises barrier detecting apparatus, control device and display lamp group, display lamp group is installed on the place ahead of tunnel portal, barrier detecting apparatus be installed in tunnel for survey the first nearer safe distance of Nei Li tunnel face, tunnel and from tunnel face the static and moving barrier situation in the second safe distance scope away from, and the obstacle information detecting is issued to control device; In the first safe distance, exist while there is stationary obstruction in barrier or the second safe distance, control device is controlled display lamp group and is shown with red light, in the first safe distance, do not exist while only there is moving barrier in barrier and the second safe distance, control device is controlled display lamp group and is shown with yellow light, while all there is not barrier in first, second safe distance, control device is controlled display lamp group and is shown with green.
2. tunnel face according to claim 1 obstacle prompt system, is characterized in that: the first safe distance is set as from tunnel face 50m length range, and the second safe distance is set as from tunnel face 50m-150m length range.
3. tunnel face according to claim 1 obstacle prompt system, is characterized in that: described barrier detecting apparatus adopts radar detection.
4. tunnel face according to claim 1 obstacle prompt system, is characterized in that: shown in display lamp group by three kinds of display lamps of red, yellow, and green, formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410242006.XA CN104021699A (en) | 2014-05-16 | 2014-05-16 | Tunnel portal barrier prompting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410242006.XA CN104021699A (en) | 2014-05-16 | 2014-05-16 | Tunnel portal barrier prompting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104021699A true CN104021699A (en) | 2014-09-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410242006.XA Pending CN104021699A (en) | 2014-05-16 | 2014-05-16 | Tunnel portal barrier prompting system |
Country Status (1)
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108573590A (en) * | 2018-06-28 | 2018-09-25 | 深圳市路明交通器材有限公司 | The control method of automatic induction escape system and automatic induction escape system |
| CN110223537A (en) * | 2019-07-19 | 2019-09-10 | 招商局重庆交通科研设计院有限公司 | The system and method for preventing freeway tunnel mouth vehicle rear-end collision and collision |
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| GB2197366A (en) * | 1986-02-11 | 1988-05-18 | John Robert Williams | Undersea tunnel and bridge |
| DE3618624A1 (en) * | 1986-06-03 | 1987-12-10 | Bernd Brandes | Track-laying inspection vehicle for inspecting tunnel-like ducts |
| JPH0628586A (en) * | 1992-07-10 | 1994-02-04 | Nohmi Bosai Ltd | Tunnel disaster prevention facility |
| CN1720162A (en) * | 2002-12-21 | 2006-01-11 | 无线电广播通信系统有限及两合公司 | Obstacle warning system for railborne vehicles |
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| 杜志刚 等: "高速公路隧道出口交通标志安全距离研究", 《公路工程》 * |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108573590A (en) * | 2018-06-28 | 2018-09-25 | 深圳市路明交通器材有限公司 | The control method of automatic induction escape system and automatic induction escape system |
| CN110223537A (en) * | 2019-07-19 | 2019-09-10 | 招商局重庆交通科研设计院有限公司 | The system and method for preventing freeway tunnel mouth vehicle rear-end collision and collision |
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Application publication date: 20140903 |