CN203793199U - Vehicle vision early warning device - Google Patents
Vehicle vision early warning device Download PDFInfo
- Publication number
- CN203793199U CN203793199U CN201420056188.7U CN201420056188U CN203793199U CN 203793199 U CN203793199 U CN 203793199U CN 201420056188 U CN201420056188 U CN 201420056188U CN 203793199 U CN203793199 U CN 203793199U
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- light curtain
- warning device
- light
- curtain
- automobile
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Abstract
The utility model discloses a vehicle vision early warning device. A driver can directly see the real existence of a barrier in the long distance at night, meanwhile, the visual capacity of opposite pedestrians or drivers cannot be affected, and the problem that the high beam affects the traffic safety is solved. The pedestrians can clearly know whether their positions are safe or not. The vehicle vision early warning device is composed of a visible light laser light source, a light curtain modulation device, a control device and the like, and can project a horizontal light curtain to the front of the vehicle, and therefore a bright strip-shaped light spot can be formed on the remote barrier which is bright and obvious just like a reflecting stripe on traffic police clothes.
Description
Technical field
The utility model relates to a kind of automobile-used vision prior-warning device, is mainly used in safety traffic field.
Background technology
At night, a lot of drivers like opening country beam and travel, because so far a lot of than a switch-on dim light viewing distance, can significantly improve observing effect.But forceful rays can affect opposite chaufeur or pedestrian's visual capacity, the even of short duration blinding of generation dazzle, have a strong impact on traffic safety.Can there is a kind of device can realize the early warning of vehicle telematic obstacle, do not affect human eye vision ability for this reason again, in prior art, there is utilizing the auxiliary source of early warning of driving of the technology such as radar and infrared, these equipment can be realized long-range detection early warning, but not only cost is high for radar and infrared equipment, complex structure, and can only utilize screen and sound that simple danger signal is fed back to chaufeur, cannot in the visual field, road surface, chaufeur front, directly present the actual position of obstacle.Therefore, although current radar and infrared equipment detection range is far away, dazzle light can't be replaced, indirectly auxiliary warning function can only be brought into play.Meanwhile, for the pedestrian on night road, if it can can't see the warning function of car bulb when sending a car; If pedestrian or chaufeur are irradiated by the country beam on opposite, eyes can produce dazzle, blurring of vision, more dangerous.Therefore, now in the urgent need to the automobile-used vision prior-warning device of one, it can allow chaufeur directly see the necessary being of obstacle at a distance, can not resemble again the visual capacity that can affect opposite chaufeur or pedestrian dazzle light simultaneously.
Summary of the invention
In order to address the above problem, the utility model provides a kind of automobile-used vision prior-warning device, and at night, it can allow chaufeur directly see the necessary being of long-distance barrier thing, and the while can not affect the visual capacity of opposite pedestrian or chaufeur.
The utility model relates to a kind of automobile-used vision prior-warning device, and it is made up of visible ray LASER Light Source, control setup etc., and this visible ray LASER Light Source is furnished with light curtain modulating device, for to distant place projection light curtain.
The light curtain modulating device of this automobile-used vision prior-warning device has a horizontal forward light curtain mouth and two longitudinal light curtain mouths.
The beneficial effects of the utility model are such: this automobile-used vision prior-warning device adopts visible ray LASER Light Source, make full use of the feature of laser high directivity, low scattering, make the beam divergence angle that irradiates minimum, almost there is no a scattering light, can not produce the glare phenomenon of common car light, therefore only otherwise direct irradiation eyes just can not disturb people's visual capacity.According to this principle, this automobile-used vision prior-warning device is arranged on headstock front, position below car light height, projects horizon light curtain forward, light can only be irradiated to people's shank like this, can not shine directly into people's eyes, therefore can not disturb illuminated people's visual capacity.The light beam of the visible ray LASER Light Source of this automobile-used vision prior-warning device is after the modulation of light curtain modulating device, can project to vehicle front the sector optical curtain of a level, due to this horizon light curtain, to be parallel to road surface not crossing with road surface, only can be crossing with the obstacle of road surface projection, therefore in the time that running into obstacle, this light curtain will form a band shaped laser spot bright, horizontal cross in the above, with regard to the alarming effect of the reflecting strips on similar traffic police's clothes.Visible, to open night after this automobile-used vision prior-warning device, out, chaufeur occurs that bright hot spot just shows that there is obstacle there as long as eyes are seen front to the clear mark of hot spot that the obstacle within the scope of the light curtain of road front all can be become clear.Because the hot spot that becomes clear is the reflected light of distant place necessary being object, the mankind's binocular stereo effect can directly perceive necessary being and the change of distance of obstacle accordingly, thereby make avoiding action, therefore can overcome existing infrared or Radar Technology and can only lean on the defect of screen or sound indirect transfer dangerous information.For example, when obstacle is positioned at vehicle front at a distance, in the visual field of chaufeur, first can see at a distance and occur bright hot spot on road surface, so the chaufeur at once relative position of this spot identification object of hig diligence and this car changes, and prepare to take to slow down, dodge etc. at any time next step measure, thereby increase substantially the remote pre-alerting ability and traffic safety level at night of chaufeur.Because the LASER Light Source of this automobile-used vision prior-warning device inside has high directivity, low diffusion angle, high brightness, distance that therefore can be more farther than common car light irradiation, plays better remote forewarning function.High brightness, low diffusion angle light beam can also effectively improve haze penetrating capacity, and can make the light barrier that the scattering of haze particle produces reduce to minimum, significantly improve greasy weather driving safety.
In the time that the light curtain modulating device employing of this automobile-used vision prior-warning device has the structure of a horizontal forward light curtain mouth and two longitudinal light curtain mouths, except realizing above-mentioned obstacle warning function, can also project two bright parallel liness to road surface for showing path, track with these two longitudinal light curtain mouths, just as a virtual luminous track.No matter pedestrian is at a distance in the face of sending a car or can seeing the virtual track that this is bright back to sending a car, can see that thereby oneself whether standing in active in track takes the measure of dodging, no longer need the method for chaufeur flicker country beam to remind pedestrian, further improved safety.
Brief description of the drawings
Accompanying drawing is structural representation of the present utility model.
In figure, mark is as follows: 1. visible ray LASER Light Source, 2. light curtain modulating device.
Detailed description of the invention
As shown in drawings, a kind of automobile-used vision prior-warning device, laser module or optical fiber laser that its visible ray LASER Light Source 1 is 532nm for wavelength, its light beam is macroscopic green, can certainly adopt as required other color LASER Light Sources such as redness, white, blueness.Before visible ray LASER Light Source 1, light curtain modulating device 2 is housed, this light curtain modulating device 2 is sector optical curtain for the laser beam modulation that visible ray LASER Light Source 1 is launched.This light curtain modulating device 2 has various structures form, for example, adopt rotating mirror scanning device, Bao Weier prism apparatus, shake mirror scanning mechanism, corrugated mirror device etc. all can realize light curtain modulation function.After the modulation of light curtain modulating device 2, can penetrate the sector optical curtain with certain angle at the mouth of light curtain modulating device 2, the cross section of this sector optical curtain is exactly a bright band shaped laser spot, in the time that planar object is irradiated, will in this plane, project a bright band shaped laser spot.In the time that this sector optical curtain is parallel with road surface and keep certain distance to front irradiation with road surface, if there is obstacle to go out a bright band shaped laser spot at this obstacle surface reflection on road surface, just as the reflecting strips on traffic police's clothes; If there is no obstacle on road surface, can not intersect and just do not reflect because light curtain is parallel to road surface, so just there will not be flare on road surface.Because the bright hot spot reflecting on obstacle is the reflected light of distant place real-world object, the binocular stereo effect of human eye can make chaufeur directly perceive necessary being and the change of distance of obstacle, ranging system and man-machine interaction sound and light alarm display system that need not be complicated, have significantly reduced productive costs, improved dangerous perception and the speed of response of chaufeur.This automobile-used vision prior-warning device is generally arranged on vehicle front, below headlight height, setting height(from bottom) will reduce as far as possible, can prevent that like this light beam irradiates is to the chaufeur on opposite, also can better identify short obstacle.Because the hot spot brightness of reflection is very high, position is low, the vehicle driver that therefore this automobile-used vision prior-warning device is housed is irradiated while causing dazzle when being sent a car by opposite, and obstacle flare still has eye-catching warning function.The horizon light curtain of low level that this automobile-used vision prior-warning device penetrates, high brightness, low diffusion also can have higher penetrating capacity and less scattering light barrier in the greasy weather, therefore has better greasy weather driving safety.
If when the light curtain modulating device of this automobile-used vision prior-warning device 2 adopts the structure of a horizontal forward light curtain mouth and two longitudinal light curtain mouths, between light curtain modulating device 2 and visible ray LASER Light Source 1, to fill a spectroscopic apparatus, be responsible for the single beam laser of injecting to be divided into three beams to three mouths; Each mouth adopts Bao Weier prism apparatus that laser beam modulation is become to sector optical curtain, and this design has movement-less part, the feature that simple in structure, reliability is high, with low cost.Certainly three light curtain mouths that this automobile-used vision prior-warning device also can adopt three visible ray LASER Light Sources 1 to be respectively light curtain modulating device 2 directly provide the structure of incoming laser beam, its advantage is to have saved beam splitter, improve optical efficiency, also reduced the demanded power output to visible ray LASER Light Source 1, reduced heating, improved reliability simultaneously.The horizontal forward light curtain mouth emission level sector optical curtain of this light curtain modulating device 2, what it formed on obstacle surface can identify the obstacle on road surface with shaped laser spot; Two longitudinal light curtain mouth respectively parallel with the vehicle body longitudinal axis with the intersection on road surface to the sector optical curtain place plane of vehicle both sides transmittings, apart from the each 50-1 in vehicle body both sides () 0cm, a virtual luminous track of hot spot formation of these 2 intersections formation.The automobile-used vision prior-warning device of this structure not only can allow chaufeur can find in time obstacle or the passerby on road surface, can also demonstrate more intuitively them whether in this car traveling lane; Whether also can allow passerby intuitively see self in track, realizes chaufeur and passerby's two-way interaction, thereby has avoided the danger producing while frequently using country beam in city simultaneously.
This automobile-used vision prior-warning device can also be designed to split left and right formula structure intersection projection light curtain, and the He You unit, left unit of its split-type structural is arranged on respectively the lower position of vehicle right and left headlight.Its He You unit, left unit is respectively equipped with a visible ray LASER Light Source 1 and is furnished with light curtain modulating device 2, all outside longitudinal light curtains of independent transmission of each unit, and adopt the mode of operation of left and right intersection projection light curtain, namely longitudinal light curtain is launched in Xiang Che right front, left unit, longitudinal light curtain is launched in Xiang Che left front, right unit, two longitudinal light curtain place plane is parallel with the vehicle body longitudinal axis with the intersection on road surface, apart from the each 50-100cm in vehicle body both sides, the hot spot that these 2 intersection places form forms a virtual luminous track just.The effect that adopts split left and right formula intersection projective structure is to make full use of the juxtaposition district producing when two longitudinal light curtains intersect, and the light curtain in this overlapping region can produce and obstacle hot spot reflection alarm function like horizontal forward smooth curtain-like noted earlier just.In order to increase the overlapping region of cross light curtain as far as possible, when installation, need increase the spacing of He You unit, the left unit of split-type structural as far as possible.Adopt the automobile-used vision prior-warning device of split type intersection projective structure to there is complete function, the feature that simple in structure, cost is low, but owing to there is no the special horizontal forward light curtain unit that is equipped with, cause obstacle warning close together, therefore also can set up again horizontal forward light curtain unit.
The shake mirror scanning mechanism drive motor of light curtain modulating device 2 inside of this automobile-used vision prior-warning device can be realized two-dimensional scan after using programmable control system, so just can realize at a mouth object of projection level and longitudinal light curtain simultaneously, also after can programming to this control system, realize the function that projects other graphical information to road surface, as projected navigation direction icon to front, road surface or overtaking other vehicles the greater functionality such as signal icon.
Claims (2)
1. an automobile-used vision prior-warning device, by formations such as visible ray LASER Light Source (1), control setups, it is characterized in that: visible ray LASER Light Source (1) is furnished with light curtain modulating device (2), in this light curtain modulating device (2), be useful on the mirror that forms sector optical curtain.
2. automobile-used vision prior-warning device according to claim 1, is characterized in that: light curtain modulating device (2) has a horizontal forward light curtain mouth and two longitudinal light curtain mouths.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420056188.7U CN203793199U (en) | 2014-01-25 | 2014-01-25 | Vehicle vision early warning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420056188.7U CN203793199U (en) | 2014-01-25 | 2014-01-25 | Vehicle vision early warning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203793199U true CN203793199U (en) | 2014-08-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420056188.7U Expired - Fee Related CN203793199U (en) | 2014-01-25 | 2014-01-25 | Vehicle vision early warning device |
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| CN (1) | CN203793199U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104678383A (en) * | 2015-02-13 | 2015-06-03 | 李兴虎 | Laser projector for reversing |
| CN107351759A (en) * | 2017-08-15 | 2017-11-17 | 陈锋 | A kind of array light source car light of laser-marking barrier |
| CN108210944A (en) * | 2016-12-21 | 2018-06-29 | 圆融健康科技（深圳）有限公司 | Portable disinfection equipment and its method for disinfection |
| CN112026638A (en) * | 2015-04-10 | 2020-12-04 | 麦克赛尔株式会社 | Vehicle with a steering wheel |
-
2014
- 2014-01-25 CN CN201420056188.7U patent/CN203793199U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104678383A (en) * | 2015-02-13 | 2015-06-03 | 李兴虎 | Laser projector for reversing |
| CN112026638A (en) * | 2015-04-10 | 2020-12-04 | 麦克赛尔株式会社 | Vehicle with a steering wheel |
| CN108210944A (en) * | 2016-12-21 | 2018-06-29 | 圆融健康科技（深圳）有限公司 | Portable disinfection equipment and its method for disinfection |
| CN107351759A (en) * | 2017-08-15 | 2017-11-17 | 陈锋 | A kind of array light source car light of laser-marking barrier |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140827 Termination date: 20220125 |
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| CF01 | Termination of patent right due to non-payment of annual fee |