CN1104741A - Method and system for preventing dazzling by automobile headlight - Google Patents

Method and system for preventing dazzling by automobile headlight Download PDF

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Publication number
CN1104741A
CN1104741A CN 93120047 CN93120047A CN1104741A CN 1104741 A CN1104741 A CN 1104741A CN 93120047 CN93120047 CN 93120047 CN 93120047 A CN93120047 A CN 93120047A CN 1104741 A CN1104741 A CN 1104741A
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China
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light
high frequency
distance light
frequency distance
filter
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CN 93120047
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Chinese (zh)
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张青
欧阳植庆
代成荣
何挺
黄金德
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张青
欧阳植庆
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Priority to CN 93120047 priority Critical patent/CN1104741A/en
Publication of CN1104741A publication Critical patent/CN1104741A/en
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Abstract

When cars meet, both use high-frequency distance light. An optical filter is set up in front of driver. The phase of high-frequency distance light and characteristics of optical filter are controlled by electronic controller to make the lights have the same frequency but reverse phases. As a result, the high-frequency distance light from opposite car is fully filtered and the lighting effect of own car is not affected. The system is composed of three-function headlight, light sensor, mechanical optical filter, electronic controller and high-frequency distance light generator.

Description

Method and system for preventing dazzling by automobile headlight
The present invention relates to a kind of preventing dazzling by automobile headlight method and system thereof, can satisfy the visbility requirement of various operating mode down train, particularly dazzle the eyes problem to have more completely and solve, can realize distance light meeting blinding free, make the situation of the situation of nighttime meeting near the meeting on daytime to meeting.
The lamps and lanterns of existing automobile lighting system setting generally has: distance light and lower beam headlamp, fog lamp, auxiliary guide lamp.This system can satisfy the visbility requirement of travelling under most of operating mode.China's traffic law is decided nighttime meeting and is used passing light at two cars beyond 150 meters, but adopt dipped beam meeting method to solve meeting and dazzle the eyes problem, only could guarantee under the good situation of street lighting that pedestrian and driver do not feel to dazzle the eyes, under no street lighting situation, use the dipped beam meeting then not good because of sighting distance deficiency, anti-dazzle effect, and make the driver all adopt the intermittently conversion of nearly distance light unconsciously, even do not use dipped beam, use distance light always, so dazzling the eyes, the driver increases the weight of, almost do not see road ahead, come meeting with experience by feel entirely.In addition, this respect is difficult control in management, so nighttime meeting is in fact very dangerous, and statistical information shows that the probability that the night traffic accident takes place increases, and dipped beam meeting method can not thoroughly solve the problem that meeting is dazzle the eyes.
Chinese invention patent CN1034695A discloses a kind of night meeting of vehicles blinding free illumination and has looked square method and device.Though on principle, have certain correctness, install impracticable, insufficient visibility for example, i.e. too low, the illumination of Zhuan Zhi conversion ratio is looked and is seen that flicker is serious, the device actual operating frequency makes the driver be difficult to adaptation less than 10 He Zhi.
The inventor discloses a kind of anti-dazzle apparatus and has solved above-mentioned scintillation in Chinese utility model patent CN91209002.2, but the low η of this device conversion ratio=0.25, insufficient visibility, oad are big, make it be not easy to install and use, but also it is poor to influence outward appearance, the commonality of car.
China utility model patent CN88207164.5 discloses a kind of motor-driven vehicle meeting at night automatic dimmer, this Dim Dimmer is made up of probe, processing and change-over swith three parts, can make Dim Dimmer change automatic guidance into by artificial control, though help improving the safety of night travel, when being helpless to improve no street lighting because of the situation of sighting distance deficiency, anti-dazzle effect difference.
China utility model patent CN90215604.7 discloses a kind of high beam of head lamp anti-dazzle apparatus, different grid rings and shield that this device is made by one group of metal or metallic material are formed, and be positioned between headlight glass bulb and the light deflector, when headlight is beaten far lighting, this device plays the no-glare effect and can strengthen side light, to improve the safety of night travel.But this device makes light quantity be subjected to very big inhibition, forms the sighting distance deficiency, and grid ring and shield can not covariant light and have corresponding adjustment to cooperate, and therefore, this device can not satisfy and practically requires and taken like a shot by the driver.
Chinese invention patent CN91106025.1 proposes a kind of glare-proof light, reach abblendbar by total internal reflection and space filtering, separate also the straight line light and the irregular reflection light of filtering directive top this moment from the light that headlight penetrates, and maintain the side and the following light of usefulness.The self-propelled vehicle that China utility model patent CN89205877.3 the proposes safe lampshade of going out walking in the night is by 10~50 rectangular rays that change unnecessary light.The automotive lamp light guide cover that China utility model patent CN89218732.8 proposes, a prism sheet is controlled the light scattering scope surplus a shell and ten.All these structures all make light quantity be subjected to very big inhibition, form the sighting distance wretched insufficiency, and all can not covariant light and have corresponding adjustment to cooperate, thereby can not satisfy the visbility requirement of various operating mode down train, call by name and talk about, also do not develop a kind of automobile lighting system up to now and have following plurality of advantages,, good visibility good such as comprehensive no-glare, can compatible existing Lighting System, easily implement, easy to use and automatic mapping function arranged, commonality and interchangeability be good, easily install and be beneficial to the management to houselights.
Task of the present invention is to propose a kind of high frequency far lighting anti-dazzle method and system thereof with above-mentioned advantage, to satisfy the visbility requirement of various operating mode down train, particularly dazzling the eyes problem to have more completely to meeting solves, can realize distance light meeting blinding free, make the situation of the situation of nighttime meeting near the meeting on daytime.
The basis of high frequency far lighting anti-dazzle method is a persistence characteristic of utilizing eyes, when 70% far lighting, the visbility effect of eye sense be fit to fully practical.Both sides' car adopts the high frequency far lighting during meeting, place light filter before the driver eye, phase place and filter properties by electronic controller controls high frequency distance light, mutually frequency is identical on the contrary to make the high frequency distance light phase place of both sides' car, this moment, light filter can filter the high frequency distance light of the other side's car fully, and did not influence this overall height illuminating effect of distance light frequently fully.Above-mentioned light filter is actually the transfer device that continuous distance light is become the high frequency distance light, and its logical light characteristic is just the same with illumination high frequency distance light characteristic.Therefore, if the inversion frequency of the frequency of high frequency distance light and phase place and transfer device and phase place are identical, then transfer device can pass through the high frequency distance light fully, and promptly light filter does not play filter action.If both frequencies or phase place are inequality, then light filter plays certain filter action.If both frequencies are identical but phase place is opposite, then the complete impassabitity high frequency of light filter distance light promptly plays filter action completely.In sum as can be known, the high frequency far lighting anti-dazzle method that the present invention proposes utilizes the selectivity characteristic of light filter all-pass high frequency distance light and complete obstructed high frequency distance light to realize, and can also judge by light filter whether the other side's car uses the high frequency distance light and whether correctly use the high frequency distance light.
The system that implements high frequency far lighting anti-dazzle method of the present invention is made of existing Lighting System and high frequency distance light no-glare system, and its medium high frequency distance light no-glare system comprises three function head lamps, optical sensor, light filter and electronic controller.
Three function head lamps are meant that this lamp can send three kinds of light such as continuous distance light, high frequency distance light and dipped beam.This lamp is contained on the position of former head light, just on the basis of former head light, set up a high frequency distance light and form device, this device is made up of a baffle vane and an electromagnetic driver, this moment, the high frequency distance light drove the baffle vane reciprocating action by electromagnetic driver, and baffle vane back and forth blocks the distance light filament of light source and produces.The characteristic of above-mentioned high frequency driving beam is: its frequency is 30~50 He Zhi, and waveform is a square wave.So being become the efficient of high frequency distance light by continuous distance light is η=0.5, adopt the halogen tungsten lamp as light source, can make the far lighting effect of high frequency far lighting effect near incandescent lamp as light source.Thereby above-mentioned high frequency distance light suits practical.Optical sensor is contained in the Windshield, and what light what can detect the use of the other side's car is, handles to pass to electronic controller.Light filter is contained on the position of sun shield, mainly is made of one group of plate leaf and an electromagnetic driver.Whole group plate leaf is not opened fully during meeting, does not influence sight line.During meeting, make whole group plate leaf reciprocating action form its logical light characteristic by electromagnetic driver, its logical light characteristic is consistent with high frequency driving beam characteristic, does not influence the illumination visbility of high frequency distance light.Its effect just filters the high frequency light of the other side's car.Above-mentioned light filter also can be made sun shield and use daytime.Electronic controller is contained near the suitable position of the interior driver's seat of car, and this electronic controller comprises above-mentioned optical sensor, treater and conv, wherein the convertible distance light of conv, dipped beam or high frequency distance light.The effect of electronic controller is: nighttime meeting is when two cars are beyond 300 meters, and electronic controller becomes continuous distance light into the high frequency distance light.In 200 meters to 150 meters, if the other side's car uses distance light or dipped beam, electronic controller is transformed into dipped beam with the high frequency distance light at two cars, realizes the dipped beam meeting; If the other side's car uses the high frequency distance light, electronic controller just makes high frequency distance light and light filter cooperating reliably, and opposite with the phase place of the other side's overall height frequency distance light, thereby realizes high frequency distance light meeting blinding free.In the good highway section of street lighting, electronic controller locking dipped beam is realized the dipped beam driving.In sum as can be known, whole process is all finished by electronic controller, thereby has alleviated driver's labour intensity greatly, particularly significantly relaxes the spiritual anxiety of driver, and the safety that helps night travel, meeting improves.
In conjunction with the accompanying drawings the embodiment of preventing dazzling by automobile headlight method of the present invention and system thereof is further described now.
Wherein:
Fig. 1 is the principle of work scheme drawing of preventing dazzling by automobile headlight method of the present invention and system thereof;
Fig. 2 is three function head lamp structure scheme drawings;
Fig. 3 is a plate vane-type structure of the light filter scheme drawing.
By shown in Figure 1, the left and right sides is respectively the preventing dazzling by automobile headlight of the present invention system of A car and B car, this moment by optical sensor 11 detect the other side send a car A or B employed be what light, after receiving, the electronic controller 1 of each car promptly produces two kinds of square-wave signals with frequency homophase or with same frequency and reversed-phase, if with the frequency homophase is A condition, with same frequency and reversed-phase are the B state.Electronic controller 1 makes head lamp 2 send the high frequency distance light of A condition or B state, make light filter 3 work can only passing through A condition light simultaneously, do not pass through the B state light, or can only pass through the B state light, by A condition light, so human eye 4 be can't see the high frequency distance light of the other side's car, and can see road ahead clearly, be object 5, preventing dazzling by automobile headlight method of the present invention comes to this and realizes distance light meeting blinding free.
The present invention who forms by above-mentioned principle of work concrete working process of no-glare system that throws light on is: night travel, light filter 3 placed eye 4 before, generally do not have and use continuous far lighting under the obstruction condition.During meeting, no matter the light of the other side's car how far, sends A condition high frequency far lighting automatically, and light filter is also worked.If the other side's car also is equipped with system of the present invention, this car will use the high frequency distance light of B state, and both sides just carry out the blinding free meeting like this.If the other side's car is not equipped with system of the present invention, this truck system just becomes dipped beam for 150 meters in addition automatically at the other side's car, and both sides carry out the dipped beam meeting.Promptly convert continuous distance light driving behind the meeting automatically to.In the good location of street lighting, convert dipped beam automatically to and travel.
Adopt the road anti-dazzle method on the national highway at present, the barrier that is in the light is set on divided lane, though anti-dazzle effect is good, but the road cost is improved greatly, the road land occupation also increases, so other other highways of level also can not be used, that is to say the automobile night running, most of driving conditions is bad, especially dazzles the eyes during meeting very dangerous.
By contrast as can be known, preventing dazzling by automobile headlight of the present invention system has many outstanding advantages noted earlier really, and enforcement is worthy to be popularized.
By three function head lamps, 2 structures shown in Figure 2, wherein Lens 21, light deflector 22, close to sources 26 and distance light source 23 are equivalent to the structure of former head light fully.The high frequency distance light of setting up forms device and comprises a baffle vane 24 and an electromagnetic driver 25, both connect by a support 27, and make baffle vane 24 back and forth block the high frequency distance light of distance light source 23 generations of the present invention preventing dazzling by automobile headlight system by electromagnetic driver 25 this moment.
By light filter shown in Figure 33 structures, be the mechanical type light filter, this light filter 3 is contained on the position of sun shield by a suspension bracket 34, and can be around the lower shaft deflection of suspension bracket 34, as sun shield.One group of plate leaf 33 is set in a housing 31 abreast, the two ends rotating support of each plate leaf, wherein right-hand member is fixed with the tumbler such as cam, gear, friction wheel, so that constitute corresponding kinematic pair with support 35 left part, move back and forth up and down support 35 by an electromagnetic driver 32 this moment, thereby drive the deflection of whole group plate leaf, as the action of louver.During meeting, just make whole group plate leaf reciprocating action form its logical light characteristic by electromagnetic driver, its logical light characteristic is consistent with high frequency driving beam characteristic.Do not influence the illumination visbility of high frequency distance light.

Claims (4)

1, a kind of preventing dazzling by automobile headlight method, it is characterized in that, both sides' car adopts the high frequency far lighting during meeting, place light filter before the driver eye, phase place and filter properties by electronic controller controls high frequency distance light, mutually frequency is identical on the contrary to make the high frequency distance light phase place of both sides' car, this moment, light filter can filter the high frequency distance light of the other side's car fully, and do not influence this overall height illuminating effect of distance light frequently fully, wherein light filter is actually the transfer device that continuous distance light is become the high frequency distance light, its logical light characteristic, just the same with illumination high frequency distance light characteristic, therefore, utilize the selectivity characteristic of light filter all-pass high frequency distance light and complete obstructed high frequency distance light, can realize high frequency far lighting meeting blinding free.
2, preventing dazzling by automobile headlight system by the described method of claim 1, form by existing Lighting System and no-glare system, it is characterized in that, described no-glare system is a high frequency distance light no-glare system, this system comprises three function head lamps (2), optical sensor (11), light filter (3) and electronic controller (1), wherein three function head lamps (2) are to set up high frequency distance light to form device and comprise a baffle vane (24) and driving it back and forth blocks the electromagnetic driver (25) of distance light source (26) in former head light, light filter (3) is that one group of plate leaf (33) is set in a housing (31) abreast, drive the deflection of whole group plate leaf by an electromagnetic driver (32) by a transmission device, electronic controller (1) comprises an optical sensor (11), a treater and a convertible distance light, the conv of dipped beam or high frequency distance light.
3, by the described preventing dazzling by automobile headlight of claim 2 system, it is characterized in that, the frequency that the high frequency distance light forms the high frequency driving beam of device generation is 30~50 He Zhi, and waveform is a square wave, and connect a baffle vane (24) and an electromagnetic driver (25) by a support (27) this moment.
4, by claim 2 or 3 described preventing dazzling by automobile headlight systems, it is characterized in that, the transmission device that is provided with in the mechanical type light filter (3) comprises each plate leaf right-hand member fixing tumbler and a support (35) left part, and constitute the corresponding sports pair, drive by an electromagnetic driver (32).
CN 93120047 1993-12-27 1993-12-27 Method and system for preventing dazzling by automobile headlight Pending CN1104741A (en)

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Application Number Priority Date Filing Date Title
CN 93120047 CN1104741A (en) 1993-12-27 1993-12-27 Method and system for preventing dazzling by automobile headlight

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Application Number Priority Date Filing Date Title
CN 93120047 CN1104741A (en) 1993-12-27 1993-12-27 Method and system for preventing dazzling by automobile headlight

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CN1104741A true CN1104741A (en) 1995-07-05

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CN 93120047 Pending CN1104741A (en) 1993-12-27 1993-12-27 Method and system for preventing dazzling by automobile headlight

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103507699A (en) * 2013-07-21 2014-01-15 李一川 Intelligent device capable of avoiding mutual dazzling of large lamp light of opposite automobiles
US8818042B2 (en) 2004-04-15 2014-08-26 Magna Electronics Inc. Driver assistance system for vehicle
US8842176B2 (en) 1996-05-22 2014-09-23 Donnelly Corporation Automatic vehicle exterior light control
US8917169B2 (en) 1993-02-26 2014-12-23 Magna Electronics Inc. Vehicular vision system
US8993951B2 (en) 1996-03-25 2015-03-31 Magna Electronics Inc. Driver assistance system for a vehicle
CN104723942A (en) * 2015-04-02 2015-06-24 浙江交通职业技术学院 System and method for preventing automobile strong light glare
US9171217B2 (en) 2002-05-03 2015-10-27 Magna Electronics Inc. Vision system for vehicle
US9436880B2 (en) 1999-08-12 2016-09-06 Magna Electronics Inc. Vehicle vision system
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US8917169B2 (en) 1993-02-26 2014-12-23 Magna Electronics Inc. Vehicular vision system
US8993951B2 (en) 1996-03-25 2015-03-31 Magna Electronics Inc. Driver assistance system for a vehicle
US8842176B2 (en) 1996-05-22 2014-09-23 Donnelly Corporation Automatic vehicle exterior light control
US9436880B2 (en) 1999-08-12 2016-09-06 Magna Electronics Inc. Vehicle vision system
US9643605B2 (en) 2002-05-03 2017-05-09 Magna Electronics Inc. Vision system for vehicle
US11203340B2 (en) 2002-05-03 2021-12-21 Magna Electronics Inc. Vehicular vision system using side-viewing camera
US10683008B2 (en) 2002-05-03 2020-06-16 Magna Electronics Inc. Vehicular driving assist system using forward-viewing camera
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US9171217B2 (en) 2002-05-03 2015-10-27 Magna Electronics Inc. Vision system for vehicle
US10118618B2 (en) 2002-05-03 2018-11-06 Magna Electronics Inc. Vehicular control system using cameras and radar sensor
US9834216B2 (en) 2002-05-03 2017-12-05 Magna Electronics Inc. Vehicular control system using cameras and radar sensor
US9555803B2 (en) 2002-05-03 2017-01-31 Magna Electronics Inc. Driver assistance system for vehicle
US9948904B2 (en) 2004-04-15 2018-04-17 Magna Electronics Inc. Vision system for vehicle
US10110860B1 (en) 2004-04-15 2018-10-23 Magna Electronics Inc. Vehicular control system
US9736435B2 (en) 2004-04-15 2017-08-15 Magna Electronics Inc. Vision system for vehicle
US9428192B2 (en) 2004-04-15 2016-08-30 Magna Electronics Inc. Vision system for vehicle
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US10306190B1 (en) 2004-04-15 2019-05-28 Magna Electronics Inc. Vehicular control system
US8818042B2 (en) 2004-04-15 2014-08-26 Magna Electronics Inc. Driver assistance system for vehicle
US10462426B2 (en) 2004-04-15 2019-10-29 Magna Electronics Inc. Vehicular control system
US9008369B2 (en) 2004-04-15 2015-04-14 Magna Electronics Inc. Vision system for vehicle
US10735695B2 (en) 2004-04-15 2020-08-04 Magna Electronics Inc. Vehicular control system with traffic lane detection
US11148583B2 (en) 2006-08-11 2021-10-19 Magna Electronics Inc. Vehicular forward viewing image capture system
US10787116B2 (en) 2006-08-11 2020-09-29 Magna Electronics Inc. Adaptive forward lighting system for vehicle comprising a control that adjusts the headlamp beam in response to processing of image data captured by a camera
US11396257B2 (en) 2006-08-11 2022-07-26 Magna Electronics Inc. Vehicular forward viewing image capture system
US10071676B2 (en) 2006-08-11 2018-09-11 Magna Electronics Inc. Vision system for vehicle
US11623559B2 (en) 2006-08-11 2023-04-11 Magna Electronics Inc. Vehicular forward viewing image capture system
CN103507699A (en) * 2013-07-21 2014-01-15 李一川 Intelligent device capable of avoiding mutual dazzling of large lamp light of opposite automobiles
CN104723942A (en) * 2015-04-02 2015-06-24 浙江交通职业技术学院 System and method for preventing automobile strong light glare

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