CN102765348A - Laser fog lamp with vehicle distance safety function - Google Patents
Laser fog lamp with vehicle distance safety function Download PDFInfo
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- CN102765348A CN102765348A CN2012102749063A CN201210274906A CN102765348A CN 102765348 A CN102765348 A CN 102765348A CN 2012102749063 A CN2012102749063 A CN 2012102749063A CN 201210274906 A CN201210274906 A CN 201210274906A CN 102765348 A CN102765348 A CN 102765348A
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Abstract
The invention discloses a laser fog lamp with a safe vehicle distance function, which applies a red light semiconductor laser to an automobile fog lamp and can generate a bright red triangular light area with the shape similar to that of a triangular warning board for automobile parking at the rear of an automobile in foggy weather. The laser fog lamp is arranged at the tail part of an automobile and consists of a circuit control module, a laser module, a shaping optical module, a temperature control module, a relative speed measuring module and a laser module angle adjuster; the circuit control module is connected with the laser module, a shaping optical module device is arranged in front of a laser lamp of the laser module, and the output end of the relative vehicle speed measuring module is connected with the laser module angle adjuster. The large-size laser red triangle has a better warning effect than the traditional fog lamp, the vehicle early warning distance is greatly increased, and the driving safety guarantee is increased.
Description
Technical field
The invention belongs to warning lamp, be specifically related to a kind of laser fog lamp that under foggy weather, can produce bright red color triangle light at the automobile rear.
Background technology
Fog lamp is occur to rain at weather, use under dense fog or other low visibility situation, so that driving vehicle is observed with caution etc.The tradition fog lamp utilizes halide torch etc. to design use, but because the type bulb service life is shorter, and power consumption is higher.Along with the continuous development of LED technology, traditional fog lamp is just replaced by the LED fog lamp now gradually.LED is little with its volume, convenient in application; Long service life, durable in use, aseismicity is strong, can surpass 20000 hours, and traditional halide torch life-span is generally about 300 hours; Efficient is high, less excess loss; Speed of response is fast, is different from the long characteristics such as driving time-delay of traditional fog lamp needs, promotes the use of fast.
But compare with the laser fog lamp, the laser fog lamp has very outstanding characteristics: (1), good directionality, and visible surface is big, and the laser fog lamp is to form an inclined-plane, and traditional fog lamp and LED fog lamp all are point source of lights; (2), penetrating capacity is strong, can under blind environment, be penetrated into farther distance; (3), power density is big, laser is monochromatic source, and breadth of spectrum line is narrow, the brightness of laser and the ratio between the sunlight are 1,000,000 grades; (4), speed of response is fast, is that traditional fog lamp is more than 100 times.
Meanwhile be born in nineteen sixty from first laser in the world, China developed first laser in 1961, and over more than 40 year, laser technology and application development are swift and violent; And laser has indispensable effect at numerous areas, such as laser radar, laser chemistry, laser medicine and laser beam machining etc. with good directivity, strong penetrance and high brightness property.The semiconductor laser diode laser is the most practical most important one type of laser.Its volume is little, the life-span long, driving simply and also can reach superpower, and can well be integrated with other parts, and environment for use is not had too much requirement.
Summary of the invention
The objective of the invention is for a kind of spacing security function laser fog lamp that has is provided; Red light semiconductor laser is applied in the automobile fog light; Under foggy weather; Can produce shape at the automobile rear and be similar to the bright red color triangle light district of parking of automobile, can ensure the safety traffic of descending express highway in rain, greasy weather situation, significantly improve the supportability of road transport with the triangle warning plate effect.
For achieving the above object, the present invention adopts following scheme:
A kind of have a spacing security function laser fog lamp, and the laser fog lamp is located at automobile tail, and the laser fog lamp is by circuit control module, laser module, shaping optical module, temperature control modules, vehicle speed measurement module and laser module angle adjuster are formed relatively;
The circuit control module is utilized the power taking of automobile self feed circuit, and the circuit control module connects laser module, and laser lamp the place ahead of laser module is provided with shaping optical module device, and laser module connects temperature control modules;
The circuit control module connects relative vehicle speed measurement module, and vehicle speed measurement module mouth connects the laser module angle adjuster relatively, and laser module angle adjuster mouth connects laser module.
Among some embodiment, said laser module adopts the red visible laser of 600～700nm wavelength to warn light as fog lamp therein.
Among some embodiment, optical shaping elements such as said shaping optical module employing grating carry out shaping to laser therein, and the shaping optical module forms bright triangle or other caution shapes to red laser.
Among some embodiment, said relative vehicle speed measurement module utilizes laser ranging to calculate the relative speed of a motor vehicle therein.
A kind ofly adopt above-mentioned alarming method for power, may further comprise the steps with spacing security function laser fog lamp:
1., the circuit control module utilizes the power taking of automobile self feed circuit, the circuit control module can be set different greasy weathers and fine mode of operation, Chang Liang, flicker often and specified conditions Chang Liang, normal flicker;
The circuit control module is supplied power to laser module, and temperature control modules has guaranteed that the laser fog lamp of laser module can working under the ambient temperature at-40 ° of C to 60 ° of C on a large scale;
2., when need cautions front vehicle, laser module sends red laser, through shaping optical module device conversion laser shape and dispersion angle, projects bright red triangular form at automobile tail, and front vehicle is had stronger warning function;
3., when this car goes; Relative vehicle speed measurement module can be measured the relative speed of a motor vehicle with the back car; And calculate back car brake safety distance according to this car speed of a motor vehicle; And utilizing the laser module angle adjuster to adjust the distance of ground red laser bright line and this car according to this, the back car is remained a safe distance behind the car in front provides alert;
4., when after car too approaching, vehicle is crossed regions, then relatively the vehicle speed measurement module triggers alerting signal, sound and light flash will warns this car and back car driver.
The present invention has improved conventional light source:
1, poor, irradiation area of directivity and shape relative fixed;
2, penetrating capacity is poor, and the distance that traditional fog lamp can shine is very limited;
3, limited service life has only 300 to 500 hours;
4, function singleness does not have above defectives such as auxiliary alarm function.
Because laser has stronger bite and visuality under misty rain weather, the red triangle of large-sized laser of the present invention possesses than the better warning function of traditional fog lamp, and the vehicle early warning distance significantly increases.Simultaneously, under sunny weather, can on the car rear ground, form bright red bright line, when spacing surmounted red bright line in the back, automobile itself can be sounded and light flash, to warn this car and back car driver.
Description of drawings
The side-looking design sketch of Fig. 1 illustrated embodiment.
Fig. 2 illustrated embodiment face design sketch.
The circuit block diagram of Fig. 3 illustrated embodiment.
The specific embodiment
For further understanding characteristic of the present invention, technological means and the specific purposes that reached, function, resolve advantage of the present invention and spirit, through embodiment the present invention is done further elaboration by following.
The present invention has put forward the new a kind of design plan of automobile fog light, the terms of settlement that provides multiple mode can't go at the greasy weather automobile, and gather multiple caution and report to the police in one.
The design sketch of the embodiment of the invention is referring to accompanying drawing 1, accompanying drawing 2, and laser fog lamp 11 of the present invention can project bright red triangular form light district at automobile 10 afterbodys, like the Y light district among the figure; Also can be in automobile 10 afterbody Chang Liang, normal flicker, like the X among the figure to light.
This patent utilizes automobile 10 self feed circuit power taking; Supply power 2 by power supply and control circuit 1 to laser module; Laser module sends red laser; Through shaping optical module device 3 conversion laser shape and dispersion angles, project bright red triangular form at automobile tail, front vehicle is had stronger warning function.
Secondly temperature control modules 4 has guaranteed that the laser fog lamp can work under the ambient temperature on a large scale of-40 ° of C to 60 ° of C.Relative vehicle speed measurement module 5 can be measured the relative speed of a motor vehicle with the back car; And calculate back car brake safety distance according to this car speed of a motor vehicle; And utilizing laser module angle adjuster 6 to adjust the distance of ground red laser bright line and this car according to this, the back car is remained a safe distance behind the car in front provides caution.Too approaching in this while as back car, vehicle is crossed regions, and then vehicle speed measurement module 5 triggers alerting signals relatively, and sound and light flash will be warned this car and back car driver.This will significantly improve traveling security.
The present invention adopts red laser to warn light as fog lamp.From the laser of 600 to 700nm wavelength all is red visible light, and redness is to use the widest caution color at present, stops such as the red expression of traffic signal lamp; Automobile brake lamp also is red, and caution back car is noted.Red laser forms bright triangle or other caution shapes at automobile tail.For example the vehicle failure red board also is red triangular shape, can let the back driving vehicle note, and can use other shape to reach good caution effect according to relevant requirements.
, adopt by laser fog lamp 11 optical shaping element such as grating that laser is carried out shaping in using.Different optics such as corresponding grating can change the profile of laser, and these optics can guarantee that laser forms the stability and the low-loss property of figure.Laser fog lamp 11 is installed in automobile 10 afterbodys.Be convenient to the back driving vehicle like this and observe preceding vehicle, so that drive a vehicle normally or other operation.
Utilize laser ranging to calculate the relative speed of a motor vehicle.Laser velocimeter has characteristics such as far measuring distance, range rate accuracy height, red laser line caution traffic safety spacing.When visbility was higher, red caution line was similar to the security row fare, and the clear and definite safe space between motorcars of car after can letting guarantees driving fast and safely.Utilize the laser flicker effect to strengthen the caution effect.Similar and vehicle failure detour lamp or Reduced Speed Now etc. can let the back driving vehicle improve like this and note property, thereby further improve travel safety.Can set different greasy weathers and fine mode of operation, Chang Liang, flicker often and specified conditions Chang Liang, normal flicker.More humane design, and can set out optimum working mode according to different automobile types, area and weather condition, better with security warning effect performance.
Advantage of the present invention:
1, the new pattern laser fog lamp of large format pattern can be irradiated, better caution effect can be accessed;
2, directivity is more outstanding, can have better control fog lamp irradiation to warn;
3, active distance is big, can strengthen fog lamp caution distance;
4, the life-span long, can reach several ten thousand hours;
5, extra detection and traffic safety guarantee.
The above embodiment has only expressed several kinds of embodiments of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the present invention's design, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with accompanying claims.
Claims (5)
1. one kind has spacing security function laser fog lamp; Laser fog lamp (11) is located at automobile (10) afterbody; It is characterized in that said laser fog lamp (11) is made up of circuit control module (1), laser module (2), shaping optical module (3), temperature control modules (4), relative vehicle speed measurement module (5) and laser module angle adjuster (6);
Said circuit control module (1) is utilized the power taking of automobile self feed circuit; Said circuit control module (1) connects laser module (2); Laser lamp the place ahead of said laser module (2) is provided with shaping optical module (3) device, and said laser module (2) connects temperature control modules (4);
Said circuit control module (1) connects relative vehicle speed measurement module (5), and said relative vehicle speed measurement module (5) mouth connects laser module angle adjuster (6), and said laser module angle adjuster (6) mouth connects laser module (2).
2. according to claim 1 have a spacing security function laser fog lamp, it is characterized in that, said laser module (2) adopts the red visible laser of 600～700nm wavelength as caution light.
3. according to claim 1 have a spacing security function laser fog lamp, it is characterized in that, said shaping optical module (3) adopts grating optical shaping element that laser is carried out shaping.
4. according to claim 1 have a spacing security function laser fog lamp, it is characterized in that said relative vehicle speed measurement module (5) utilizes laser ranging to calculate the relative speed of a motor vehicle.
5. one kind is adopted each said alarming method for power with spacing security function laser fog lamp of claim 1～4, it is characterized in that, may further comprise the steps:
1., circuit control module (1) is utilized the power taking of automobile self feed circuit, greasy weather and fine mode of operation that circuit control module (1) setting is different, Chang Liang, flicker often and specified conditions Chang Liang, the normal flicker;
Circuit control module (1) is to laser module (2) power supply, and temperature control modules (4) has guaranteed that the laser fog lamp of laser module (2) can work under the scope ambient temperature of-40 ° of C to 60 ° of C;
2., when need cautions front vehicle, laser module (2) sends red laser, through shaping optical module (3) device conversion laser shape and dispersion angle, projects bright red triangular form at automobile tail, and front vehicle is had stronger warning function;
3., when this car goes; Relative vehicle speed measurement module (5) can be measured the relative speed of a motor vehicle with the back car; And calculate back car brake safety distance according to this car speed of a motor vehicle; And utilizing laser module angle adjuster (6) to adjust the distance of ground red laser bright line and this car according to this, the back car is remained a safe distance behind the car in front provides alert;
4., when after car too approaching, vehicle is crossed regions, then relatively vehicle speed measurement module (5) triggers alerting signal, sound and light flash will warns this car and back car driver.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210274906.3A CN102765348B (en) | 2012-08-03 | 2012-08-03 | Laser fog lamp with vehicle distance safety function |
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| CN201210274906.3A CN102765348B (en) | 2012-08-03 | 2012-08-03 | Laser fog lamp with vehicle distance safety function |
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| CN102765348A true CN102765348A (en) | 2012-11-07 |
| CN102765348B CN102765348B (en) | 2015-05-20 |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103481818A (en) * | 2013-10-16 | 2014-01-01 | 北京大学东莞光电研究院 | Intelligent laser high mounted stop lamp |
| CN103522939A (en) * | 2013-10-21 | 2014-01-22 | 北京大学东莞光电研究院 | A multi-assistant function intelligent fog lamp and warning method |
| CN103879343A (en) * | 2014-02-21 | 2014-06-25 | 山东瑞华同辉光电科技有限公司 | Laser auxiliary warning device of automobile in severe weather |
| JP2014223873A (en) * | 2013-05-16 | 2014-12-04 | 株式会社小糸製作所 | Rear fog lamp device |
| JP2014227086A (en) * | 2013-05-23 | 2014-12-08 | 株式会社小糸製作所 | Rear fog lamp control device and rear fog lamp system |
| JP2014234004A (en) * | 2013-05-31 | 2014-12-15 | 株式会社小糸製作所 | Rear fog lamp device |
| CN105774639A (en) * | 2014-12-15 | 2016-07-20 | 常州星宇车灯股份有限公司 | Laser rear fog lamp of combined taillight and use method for same |
| CN106297098A (en) * | 2015-06-24 | 2017-01-04 | 奥迪股份公司 | The method of the caution device of operation motor vehicles |
| CN108800051A (en) * | 2018-06-04 | 2018-11-13 | 常州星宇车灯股份有限公司 | A kind of automobile tail light using red laser light source and glass optical fiber |
| CN109594459A (en) * | 2016-12-16 | 2019-04-09 | 金福珍 | A kind of bridge and its working method |
| CN110332500A (en) * | 2018-03-28 | 2019-10-15 | 长城汽车股份有限公司 | A kind of fog lamp assembly and automobile |
| CN110962737A (en) * | 2019-12-23 | 2020-04-07 | 中北大学 | Laser fog lamp with vehicle distance safety function |
| CN114851957A (en) * | 2022-06-20 | 2022-08-05 | 一汽奔腾轿车有限公司 | Optical signal warning system and method for keeping distance between automobiles |
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Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014223873A (en) * | 2013-05-16 | 2014-12-04 | 株式会社小糸製作所 | Rear fog lamp device |
| JP2014227086A (en) * | 2013-05-23 | 2014-12-08 | 株式会社小糸製作所 | Rear fog lamp control device and rear fog lamp system |
| JP2014234004A (en) * | 2013-05-31 | 2014-12-15 | 株式会社小糸製作所 | Rear fog lamp device |
| CN103481818A (en) * | 2013-10-16 | 2014-01-01 | 北京大学东莞光电研究院 | Intelligent laser high mounted stop lamp |
| CN103522939A (en) * | 2013-10-21 | 2014-01-22 | 北京大学东莞光电研究院 | A multi-assistant function intelligent fog lamp and warning method |
| CN103522939B (en) * | 2013-10-21 | 2015-10-28 | 北京大学东莞光电研究院 | Intelligent fog lamp with multiple auxiliary functions and warning method |
| CN103879343A (en) * | 2014-02-21 | 2014-06-25 | 山东瑞华同辉光电科技有限公司 | Laser auxiliary warning device of automobile in severe weather |
| CN105774639B (en) * | 2014-12-15 | 2017-12-01 | 常州星宇车灯股份有限公司 | The laser Rear Fog Lamp and its application method of combined tail lamp |
| CN105774639A (en) * | 2014-12-15 | 2016-07-20 | 常州星宇车灯股份有限公司 | Laser rear fog lamp of combined taillight and use method for same |
| CN106297098A (en) * | 2015-06-24 | 2017-01-04 | 奥迪股份公司 | The method of the caution device of operation motor vehicles |
| CN106297098B (en) * | 2015-06-24 | 2019-05-17 | 奥迪股份公司 | The method for operating the warning device of motor vehicles |
| CN109594459A (en) * | 2016-12-16 | 2019-04-09 | 金福珍 | A kind of bridge and its working method |
| CN109594459B (en) * | 2016-12-16 | 2020-12-29 | 金福珍 | A bridge and its working method |
| CN110332500A (en) * | 2018-03-28 | 2019-10-15 | 长城汽车股份有限公司 | A kind of fog lamp assembly and automobile |
| CN110332500B (en) * | 2018-03-28 | 2022-01-04 | 长城汽车股份有限公司 | Fog lamp assembly and automobile |
| CN108800051A (en) * | 2018-06-04 | 2018-11-13 | 常州星宇车灯股份有限公司 | A kind of automobile tail light using red laser light source and glass optical fiber |
| CN110962737A (en) * | 2019-12-23 | 2020-04-07 | 中北大学 | Laser fog lamp with vehicle distance safety function |
| CN114851957A (en) * | 2022-06-20 | 2022-08-05 | 一汽奔腾轿车有限公司 | Optical signal warning system and method for keeping distance between automobiles |
| CN114851957B (en) * | 2022-06-20 | 2024-07-12 | 一汽奔腾轿车有限公司 | Optical signal warning system and method for maintaining vehicle distance of vehicle |
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Effective date of registration: 20220507 Address after: 523000 room 1304, unit 1, building 1, No. 2, headquarters Second Road, Songshanhu Park, Dongguan City, Guangdong Province Patentee after: Guangdong Che Magic Yanyuan Technology Co.,Ltd. Address before: 523518 Science and Technology Industrial Park of Qishi Town, Dongguan City, Guangdong Province Patentee before: SINO NITRIDE SEMICONDUCTOR Co.,Ltd. |
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