CH360296A - Shielding device on headlights, in particular for motor vehicles - Google Patents
Shielding device on headlights, in particular for motor vehiclesInfo
- Publication number
- CH360296A CH360296A CH360296DA CH360296A CH 360296 A CH360296 A CH 360296A CH 360296D A CH360296D A CH 360296DA CH 360296 A CH360296 A CH 360296A
- Authority
- CH
- Switzerland
- Prior art keywords
- shielding device
- headlight
- headlights
- motor vehicles
- blue filter
- Prior art date
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
- B60Q1/14—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 having dimming means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/12—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of emitted light
- F21S41/125—Coloured light
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Description
Abschirmeinrichtung an Scheinwerfern, insbesondere für Kraftfahrzeuge Die vorliegende Erfindung bezieht sich auf eine Abschirmeinrichtung an Scheinwerfern, insbesondere für Kraftfahrzeuge, welche sich besonders für den Gebrauch bei Nebel eignet.
Allgemein verbreitet ist die Auffassung, dass Nebel von gelbem Licht besonders gut durchdrungen werde. Demgegenüber wurde überraschenderweise festgestellt, dass blaues Licht Nebel mindestens eben sogut zu durchdringen vermag und ausserdem viel weniger stark blendet als gelbes Licht.
Auf dieser Erkenntnis beruht die vorliegende Erfindung, welche darin besteht, dass der Scheinwer fer ganz oder teilweise durch ein Blaufilter abge schirmt ist. Wie die Erfahrung gezeigt hat, blenden derart abgeschirmte Scheinwerfer selbst dann nicht, wenn sie unter vollem Strom stehen, d. h. nicht auf Abblendstellung geschaltet sind.
Die Erfahrung hat weiter gezeigt, dass mit blau gefiltertem Licht auf der Strasse befindliche Gegenstände oder Personen auf Distanzen bis zu 100 Meter gut erkennbar sind. In der Zeichnung ist eine beispielsweise Ausfüh rungsform des, Erfindungsgegenstandes. dargestellt. Es bezeichnet 1 den Refraktor bzw. die Abschlusscheibe eines Kraftfahrzeugscheinwerfers, welche in üblicher Weise von einem metallenen Fassungsring 2 am Scheinwerfergehäuse festgehalten ist.
Mit 3 ist das der Abschlusscheibe 1 vorgeschaltete Blaufilter be zeichnet, welchesi beispielsweise aus einer blaugefärb ten Kunststoffolie, zum Beispiel aus Plexiglas, Poly- vinylchlorid etc. bestehen oder aber durch eine Glasscheibe gebildet sein kann. Das Blaufilter be deckt die Abschlusscheibe 1 des Scheinwerfers nur zum Teil. In seinem oberen Teil besitzt das Blaufilter 3 einen kreisringsegmentförmigen Ausschnitt 4, durch den ungefiltertes weisses Licht ausstrahlen kann.
Mit 5 ist ein auf den Fassungsring 2 des Scheinwerfers aufgestülpter Gummiring bezeichnet, welcher stellenweise in der Umfangsrichtung aufge spalten ist, wodurch Gummizüge <I>5a</I> gebildet werden, die zum Einhängen in am Blaufilter angeordnete Ha ken 6 verwendet sind. Mit 7 sind am Gummiring 5 befestigte weitere Haken bezeichnet, welche am Fassungsring 2 eingehängt sind und mittels denen der Gummiring 5 in seiner Lage gesichert ist.
Es ist natürlich auch möglich, den Ausschnitt 4 statt im oberen im unteren Teil desi Blaufilters an zuordnen. Das durch den Ausschnitt 4 austretende weisse Licht dient zur Erhöhung der Verkehrssicher heit, indem es von den Führern entgegenkommender Fahrzeuge zwar ohne Blendwirkung, jedoch schon auf sehr weite Distanzen, wahrgenommen werden kann.
Shielding device on headlights, in particular for motor vehicles The present invention relates to a shielding device on headlights, in particular for motor vehicles, which is particularly suitable for use in fog.
The general opinion is that fog is particularly well penetrated by yellow light. In contrast, it was surprisingly found that blue light is at least just as capable of penetrating fog and, moreover, is much less dazzling than yellow light.
The present invention is based on this finding, which consists in the fact that the headlight fer is completely or partially shielded by a blue filter. Experience has shown that such shielded headlights do not dazzle even when they are under full current, i.e. H. are not switched to the dipped position.
Experience has also shown that with blue filtered light, objects or people on the street can be easily recognized at distances of up to 100 meters. In the drawing is an example of Ausfüh approximately the subject of the invention. shown. It denotes 1 the refractor or the cover plate of a motor vehicle headlight, which is held in the usual way by a metal mounting ring 2 on the headlight housing.
The blue filter upstream of the cover disk 1 is identified by 3, which can consist, for example, of a blue-colored plastic film, for example plexiglass, polyvinyl chloride, etc., or can be formed by a glass pane. The blue filter only partially covers the lens 1 of the headlight. In its upper part, the blue filter 3 has a circular segment-shaped cutout 4 through which unfiltered white light can radiate.
A rubber ring slipped onto the socket ring 2 of the headlight is denoted by 5, which is split up in places in the circumferential direction, thereby forming elastic bands <I> 5a </I> which are used for hanging in hooks 6 arranged on the blue filter. With 7 attached to the rubber ring 5 further hooks are referred to, which are suspended on the mounting ring 2 and by means of which the rubber ring 5 is secured in its position.
It is of course also possible to assign the cutout 4 to the lower part of the blue filter instead of in the upper part. The white light exiting through the cutout 4 is used to increase traffic safety by being perceived by the drivers of oncoming vehicles without glare, but over very long distances.
Claims (1)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH360296T | 1958-08-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH360296A true CH360296A (en) | 1962-02-15 |
Family
ID=4512555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH360296D CH360296A (en) | 1958-08-29 | 1958-08-29 | Shielding device on headlights, in particular for motor vehicles |
Country Status (1)
| Country | Link |
|---|---|
| CH (1) | CH360296A (en) |
-
1958
- 1958-08-29 CH CH360296D patent/CH360296A/en unknown
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