NO850900L - DEVICE FOR AUTOMATIC, SELECTIVE LIGHT CONTROL FOR VEHICLES. - Google Patents

DEVICE FOR AUTOMATIC, SELECTIVE LIGHT CONTROL FOR VEHICLES.

Info

Publication number
NO850900L
NO850900L NO850900A NO850900A NO850900L NO 850900 L NO850900 L NO 850900L NO 850900 A NO850900 A NO 850900A NO 850900 A NO850900 A NO 850900A NO 850900 L NO850900 L NO 850900L
Authority
NO
Norway
Prior art keywords
light
detector
vehicle
pattern
spotlights
Prior art date
Application number
NO850900A
Other languages
Norwegian (no)
Inventor
Hans Christian Flaaten
Julius Hartai
Original Assignee
Hans Christian Flaaten
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hans Christian Flaaten filed Critical Hans Christian Flaaten
Priority to NO850900A priority Critical patent/NO850900L/en
Priority to NO854072A priority patent/NO854072L/en
Priority to ES552680A priority patent/ES8701070A1/en
Priority to PCT/NO1986/000024 priority patent/WO1986005147A1/en
Priority to AU55859/86A priority patent/AU5585986A/en
Priority to EP86901532A priority patent/EP0213168A1/en
Publication of NO850900L publication Critical patent/NO850900L/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
    • B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
    • B60Q1/18—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights being additional front lights
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
    • B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
    • B60Q1/06—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle
    • B60Q1/08—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle automatically
    • B60Q1/085—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle automatically due to special conditions, e.g. adverse weather, type of road, badly illuminated road signs or potential dangers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q2300/00—Indexing codes for automatically adjustable headlamps or automatically dimmable headlamps
    • B60Q2300/05—Special features for controlling or switching of the light beam
    • B60Q2300/054—Variable non-standard intensity, i.e. emission of various beam intensities different from standard intensities, e.g. continuous or stepped transitions of intensity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q2300/00—Indexing codes for automatically adjustable headlamps or automatically dimmable headlamps
    • B60Q2300/20—Indexing codes relating to the driver or the passengers
    • B60Q2300/21—Manual control
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q2300/00—Indexing codes for automatically adjustable headlamps or automatically dimmable headlamps
    • B60Q2300/30—Indexing codes relating to the vehicle environment
    • B60Q2300/33—Driving situation
    • B60Q2300/332—Driving situation on city roads
    • B60Q2300/3321—Detection of streetlights
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q2300/00—Indexing codes for automatically adjustable headlamps or automatically dimmable headlamps
    • B60Q2300/40—Indexing codes relating to other road users or special conditions
    • B60Q2300/42—Indexing codes relating to other road users or special conditions oncoming vehicle

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Description

Oppfinnelsen vedrører en anordning for automatisk, selektiv lyskontroll, spesielt for frontlyset på et kjøretøy, slik som angitt i innledningen til krav 1. The invention relates to a device for automatic, selective light control, in particular for the front light of a vehicle, as stated in the introduction to claim 1.

Når kjøretøyer møtes på en vei i mørket, fremkommerWhen vehicles meet on a road in the dark, appears

det ofte problemer pga. at bilførerne blendes gjensidig, hen-holdsvis at kjørelyset nedblendes i så stor grad at dette kan bety fare for f.eks. personer som beveger seg langs vei-kanten. En årsak til disse problemer kan bl.a. ligge i at lyset nedblendes i ett trinn direkte, slik at det ikke fore-ligger andre muligheter enn "for sterkt lys" og "for lite lys". Det er derfor et ønske å muliggjøre en regulering av lyset slik at bare den del av lyset fjernes som vil sjenere møtende kjøretøys fører, slik at mest mulig av veibanen og omgiveTsene forblir belyst. there are often problems due to that the car drivers are mutually dazzled, respectively that the driving lights are dimmed to such an extent that this could mean danger for e.g. people moving along the roadside. One reason for these problems can, among other things, be lies in the fact that the light is dimmed in one step directly, so that there are no other options than "too bright light" and "too little light". There is therefore a desire to enable a regulation of the light so that only that part of the light is removed that will embarrass the driver of oncoming vehicles, so that as much as possible of the roadway and surroundings remains illuminated.

Det har derfor vært gjort flere forsøk på utviklingSeveral attempts at development have therefore been made

av denne type lysregulering for kjøretøyer. Av slike kjente anordninger kan nevnes en utforming hvor det benyttes meka-niske elementer, enten av reflekterende type med speil eller utformet som et blendersystem. Det er videre kjent anordninger som nedblender lyset over to eller flere trinn, uten at dette bringer en vesentlig mer gunstig løsning. Det er også kjent å utstyre kjøretøyet med lysømfintlige detektorer som avføler lysforholdene foran kjøretøyet og automatisk regulerer kjøre-tøyets lysstyrke. Eksempler på utstyr av ovennevnte art kan finnes i f.eks. GB 11 62 125, SE 360 605 og SE 374 702. Ingen av disse kjente systemer har imidlertid gitt en fullgod nedblending samtidig som ønsket om en best mulig veibelysning blir opprettholdt. of this type of light control for vehicles. Of such known devices, mention can be made of a design where mechanical elements are used, either of the reflective type with mirrors or designed as an aperture system. There are also known devices which dim the light over two or more stages, without this bringing about a significantly more favorable solution. It is also known to equip the vehicle with light-sensitive detectors which sense the light conditions in front of the vehicle and automatically regulate the brightness of the vehicle. Examples of equipment of the above kind can be found in e.g. GB 11 62 125, SE 360 605 and SE 374 702. However, none of these known systems have provided a perfectly good reduction of glare while maintaining the desire for the best possible road lighting.

Den foreliggende oppfinnelse har derfor til hensiktThe present invention therefore aims to

å tilveiebringe en anordning med hvilken et kjøretøys lys nedblendes selektivt og/eller automatisk på en slik måte at bare den del av lyset fjernes som vil sjenere møtende kjøre-tøys fører. Denne hensikt oppnås ved en anordning som er kjennetegnet ved det som fremgår av kravene. to provide a device with which a vehicle's light is dimmed selectively and/or automatically in such a way that only that part of the light is removed which will disturb the driver of an oncoming vehicle. This purpose is achieved by a device which is characterized by what appears in the requirements.

Anordningen ifølge oppfinnelsen betyr således at det lysmønster som befinner seg foran kjøretøyet blir registrert og kjøretøyets lysutsendelse styrer et skyggemønster som er i samsvar med det lysmønster som befinner seg forut. På denne måten vil man kunne'oppnå en selektiv nedblending i de områder hvor et annet kjøretøy befinner seg, mens resten av veibanen forblir godt opplyst. The device according to the invention thus means that the light pattern located in front of the vehicle is registered and the vehicle's light output controls a shadow pattern that is in accordance with the light pattern located ahead. In this way, it will be possible to achieve selective dimming in the areas where another vehicle is located, while the rest of the road remains well lit.

Oppfinnelsen skal i det følgende forklares nærmere ved hjelp av utførelseseksempler som er fremstilt på tegningen, In the following, the invention will be explained in more detail with the help of exemplary embodiments shown in the drawing,

som viser:showing:

Fig. 1 - lysmønsteret foran et kjøretøy, rent skjematisk; Fig. 1 - the light pattern in front of a vehicle, purely schematic;

fig. 2 - skjematisk, et riss av lyskasterne på kjøre-tøyet på fig. 1, sett forfra; fig. 2 - schematic, a view of the headlights on the vehicle in fig. 1, front view;

fig. 3 - et koblingsskjerna for styringen av lyskasterne for nedblending; og fig. 3 - a connecting core for the control of the headlights for dimming; and

fig. 4 - en utførelsesform for oppfinnelsen hvor det anvendes et skikt med flytende krystaller. fig. 4 - an embodiment of the invention where a layer of liquid crystals is used.

Utførelseseksemplet på tegningens fig. 1-3 viser et kjøretøy hvor de to frontlykter er utformet av tre enkelt-stående lyskilder LI, L2 og L3 som er plassert ved siden av hverandre og tre lyskilder L4, L5 og L6 i en rad under den første. Lyskildene Li - L6 i hver lykt har lysretninger som gir best mulig lys i et ønsket, forutbestemt område foran kjøretøyet. The design example in the drawing's fig. 1-3 shows a vehicle where the two headlights are formed by three individual light sources LI, L2 and L3 which are placed next to each other and three light sources L4, L5 and L6 in a row below the first. The light sources Li - L6 in each lamp have light directions that provide the best possible light in a desired, predetermined area in front of the vehicle.

Den nedre rad med lamper L4, L5 og L6 har en lav lys-vinkel som tilsvarer vanlig kjørelys, og disse skal kunne overta belysninger automatisk etter hvert som de øvre lamper slukkes. Ytterligere organisering av systemet i henhold til oppfinnelsen kan omfatte samtlige lys styrt, bortsett fra L5 eller L2, for enda mere effektiv avblending. The lower row of lamps L4, L5 and L6 has a low light angle that corresponds to normal driving lights, and these must be able to take over lighting automatically as the upper lamps are switched off. Further organization of the system according to the invention can include all lights controlled, except for L5 or L2, for even more effective dimming.

Detektorsystemet for styring av lyskildene kan bestå av lysfølsomme fotoelektroniske dioder eller transistorer Fl, The detector system for controlling the light sources can consist of light-sensitive photoelectronic diodes or transistors Fl,

F2, F3, montert i en mottager som f.eks. kan plasseres i kjøre-tøyets kjørespeil. De lysfølsomme elementene kan plasseres slik at hver fjernlyslampe i frontlyktene har sin fotoelektroniske føler og føleren dekker bare samme område som lyskjeglen fra lampen. Dette oppnås ifølge oppfinnelsen ved å plassere følere og ved å benytte små parabolske reflektorer eller kolimatorrør for retning og utbredelsesvinkel som avføler samme lysområde som lampen belyser. De elektriske signalene fra følerne via Schmidt-triggere IZ1 kan så styre transistor-enes Tl - T6 baser og lampene av og på. Lyskildene kan også dimmes gradvis en for en, i overensstemmelse med de elektriske signalene fra følerne, hvis dette er ønskelig. Man vil på denne måte oppnå en nedblending av de lyskastere eller lysstråler som ville belyst de områder som selv utstråler/reflek-terer lys. F2, F3, mounted in a receiver such as can be placed in the vehicle's rear-view mirror. The light-sensitive elements can be positioned so that each main beam lamp in the headlights has its photoelectronic sensor and the sensor only covers the same area as the light cone from the lamp. This is achieved according to the invention by placing sensors and by using small parabolic reflectors or collimator tubes for direction and propagation angle which sense the same light area as the lamp illuminates. The electrical signals from the sensors via Schmidt triggers IZ1 can then control the transistors' Tl - T6 bases and the lamps on and off. The light sources can also be dimmed gradually one by one, in accordance with the electrical signals from the sensors, if this is desired. In this way, you will achieve a dimming of the spotlights or light beams that would illuminate the areas that themselves radiate/reflect light.

Et enklere system ifølge oppfinnelsen kan også lagesA simpler system according to the invention can also be made

av eksisterende lyktsystem ved hjelp av flytende krystaller i lyktens frontglass eller på reflektorer for å blende ut den del av lyskjeglen som tilsvarer følernes synsområde iste-denfor å slukke eller nedblende lyskilden. En slik mulighet er vist på fig. 4. På fig. 4 viser a et objektiv, b en fotografisk plate, c en elektronisk prosessor, d lyskasterens glødetråd, e en glassplate, f flytende krystaller og g en reflektor. Lysmønsteret i sjåførens synsfelt vil bli fanget opp av objektivet a som er plassert innenfor bilens frontrute og sendes mot en fotografisk plate b som er delt opp i punkter. Lys fra vekselstrømkilder kan bli filtrert ut i sys-temets elektroniske prosessor c. Dermed unngås at systemet of the existing lamp system using liquid crystals in the lamp's front glass or on reflectors to blind out the part of the light cone that corresponds to the sensors' field of view instead of extinguishing or dimming the light source. Such a possibility is shown in fig. 4. On fig. 4 shows a a lens, b a photographic plate, c an electronic processor, d the lamp filament, e a glass plate, f liquid crystals and g a reflector. The light pattern in the driver's field of vision will be captured by the lens a which is placed inside the car's windscreen and sent towards a photographic plate b which is divided into points. Light from alternating current sources can be filtered out in the system's electronic processor c. This prevents the system from

blir påvirket av lys fra bygninger, gatelys, etc. Mikroproses-soren c behandler kontinuerlig lyssignalene som kommer til den fotografiske plate og sender kontinuerlig styresignaler videre til en gjennomsiktig plate e med flytende krystaller f. Denne plate tilsvarer punkt for punkt den fotografiske plate bak objektivet. Denne er plassert inne i bilens lyskaster i et slikt forhold til lyspære og reflektor at når deler av den fotografiske plate blir påvirket av lys blir tilsvarende deler av glassplaten mørk av de flytende krystaller f. Man oppnår således en kontinuerlig og nyansert nedblendingsprosess som er trinnløs og gir et skyggemønster som er direkte resultat av det lysmønster som blir fanget opp i objektivet. is affected by light from buildings, street lights, etc. The microprocessor c continuously processes the light signals arriving at the photographic plate and continuously sends control signals on to a transparent plate e with liquid crystals f. This plate corresponds point by point to the photographic plate behind the objective . This is placed inside the car's headlights in such a relationship to the light bulb and reflector that when parts of the photographic plate are affected by light, corresponding parts of the glass plate become dark from the liquid crystals f. You thus achieve a continuous and nuanced dimming process that is stepless and produces a shadow pattern that is a direct result of the light pattern that is captured in the lens.

Det ovenstående viser kun muligheter for utforming av systemet, idet mange modifikasjoner vil være mulig innenfor oppfinnelsens ramme. Selv om det i eksemplet er vist til en anordning med flere enkeltlyskastere i grupper, er det klart at oppfinnelsen også kan anvendes ved enklere lyskastersystem-er, både med og uten kryssende lysstråler. The above only shows possibilities for designing the system, as many modifications will be possible within the scope of the invention. Although the example shows a device with several individual spotlights in groups, it is clear that the invention can also be used with simpler spotlight systems, both with and without intersecting light beams.

Claims (7)

1. Anordning for automatisk og manuell, selektiv lyskon- . troll, særlig for frontlyset på kjøretøyer, omfattende en lysfølsom detektor f.eks. plassert i kjørespeilet for registrering av lysfordeling/intensitet i området foran kjøre-tøyet, hvilken detektor over en styreenhet styrer lyset i kjøretøyets lyskastere i takt med det av detektoren regi-strerte lys, karakterisert ved at detektoren er utformet for punktvis registrering av lysfordeling/intensitet og inn-befatter en styring av et skyggemønster i overensstemmelse med det detekterte lysfordelingsmønster.1. Device for automatic and manual, selective light con- . troll, in particular for the front light of vehicles, comprising a light-sensitive detector e.g. placed in the driving mirror for recording light distribution/intensity in the area in front of the vehicle, which detector, via a control unit, controls the light in the vehicle's headlights in step with the light registered by the detector, characterized in that the detector is designed for point-by-point recording of light distribution/intensity and includes control of a shadow pattern in accordance with the detected light distribution pattern. 2. Anordning ifølge krav 1, karakterisert ved at detektoren har en detek-sjonsflate som svarer til belysningsflaten for kjøretøyets fjernlyskilder, på den avstand som krever nedblending.2. Device according to claim 1, characterized in that the detector has a detection surface that corresponds to the illumination surface of the vehicle's main beam sources, at the distance that requires dimming. 3. Anordning ifølge krav 1 og/eller 2, karakterisert ved at lyskasterne er utformet som sammensatte lyskilder, bestående av flere retningsvirkende enkeltlyskastere i grupper, hvorved enkeltlyskasterne er indi-viduelt nedblendbare av detektoren.3. Device according to claim 1 and/or 2, characterized in that the spotlights are designed as composite light sources, consisting of several directional single spotlights in groups, whereby the single spotlights can be individually dimmed by the detector. 4. Anordning ifølge ett eller flere av de foranstående krav, karakterisert ved at detektorene, resp. detektorflåtene utgjøres av et antall retningsbestemte fotoelektroniske følere, eventuelt anordnet i et mønster svarende til lyskasternes retning i gruppen.4. Device according to one or more of the preceding claims, characterized in that the detectors, resp. the detector fleets consist of a number of directional photoelectronic sensors, possibly arranged in a pattern corresponding to the direction of the floodlights in the group. 5. Anordning ifølge ett eller flere av de foranstående krav, karakterisert ved at lyskasterne er utformet med et skikt av flytende krystaller foran lyskilden, alter-nativt på reflektoren hvilket skikt styres av detektoranord-ningen, for dannelse av et skyggemønster i den avstand som krever nedblending.5. Device according to one or more of the preceding claims, characterized in that the spotlights are designed with a layer of liquid crystals in front of the light source, alternatively on the reflector, which layer is controlled by the detector device, for the formation of a shadow pattern at the distance that requires glare down. 6. Anordning ifølge krav 1, karakterisert ved at stedsfast lys, for-trinnsvis fra vekselstrømskilder filtreres ut.6. Device according to claim 1, characterized in that fixed light, preferably from alternating current sources, is filtered out. 7. Anordning ifølge krav 1, karakterisert ved at detektoren er en i og for seg kjent fotografisk avbildende anordning hvor det dannede lysmønster er elektronisk avfølbart.7. Device according to claim 1, characterized in that the detector is a per se known photographic imaging device where the formed light pattern can be detected electronically.
NO850900A 1985-03-06 1985-03-06 DEVICE FOR AUTOMATIC, SELECTIVE LIGHT CONTROL FOR VEHICLES. NO850900L (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
NO850900A NO850900L (en) 1985-03-06 1985-03-06 DEVICE FOR AUTOMATIC, SELECTIVE LIGHT CONTROL FOR VEHICLES.
NO854072A NO854072L (en) 1985-03-06 1985-10-14 DEVICE FOR BLINDING / REGULATION OF FRONT LIGHT ON VEHICLES.
ES552680A ES8701070A1 (en) 1985-03-06 1986-03-05 A device for automatic selective light control for vehicles.
PCT/NO1986/000024 WO1986005147A1 (en) 1985-03-06 1986-03-06 A device for automatic selective light control for vehicles
AU55859/86A AU5585986A (en) 1985-03-06 1986-03-06 Device for automatic selective light control for vehicles
EP86901532A EP0213168A1 (en) 1985-03-06 1986-03-06 A device for automatic selective light control for vehicles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO850900A NO850900L (en) 1985-03-06 1985-03-06 DEVICE FOR AUTOMATIC, SELECTIVE LIGHT CONTROL FOR VEHICLES.

Publications (1)

Publication Number Publication Date
NO850900L true NO850900L (en) 1986-09-08

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ID=19888163

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Application Number Title Priority Date Filing Date
NO850900A NO850900L (en) 1985-03-06 1985-03-06 DEVICE FOR AUTOMATIC, SELECTIVE LIGHT CONTROL FOR VEHICLES.
NO854072A NO854072L (en) 1985-03-06 1985-10-14 DEVICE FOR BLINDING / REGULATION OF FRONT LIGHT ON VEHICLES.

Family Applications After (1)

Application Number Title Priority Date Filing Date
NO854072A NO854072L (en) 1985-03-06 1985-10-14 DEVICE FOR BLINDING / REGULATION OF FRONT LIGHT ON VEHICLES.

Country Status (5)

Country Link
EP (1) EP0213168A1 (en)
AU (1) AU5585986A (en)
ES (1) ES8701070A1 (en)
NO (2) NO850900L (en)
WO (1) WO1986005147A1 (en)

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EP0213168A1 (en) 1987-03-11
NO854072L (en) 1986-09-08
AU5585986A (en) 1986-09-24
ES8701070A1 (en) 1986-11-16
ES552680A0 (en) 1986-11-16
WO1986005147A1 (en) 1986-09-12

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