EP0472890B1 - Feu multiple pour véhicules automobiles - Google Patents
Feu multiple pour véhicules automobiles Download PDFInfo
- Publication number
- EP0472890B1 EP0472890B1 EP91112094A EP91112094A EP0472890B1 EP 0472890 B1 EP0472890 B1 EP 0472890B1 EP 91112094 A EP91112094 A EP 91112094A EP 91112094 A EP91112094 A EP 91112094A EP 0472890 B1 EP0472890 B1 EP 0472890B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- shaped
- barrel
- lines
- cylinder
- triple prisms
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
- F21S43/26—Refractors, transparent cover plates, light guides or filters not provided in groups F21S43/235 - F21S43/255
Definitions
- a multi-chamber lamp for motor vehicles is known, the lines of which alternate with triple prisms and lines reflecting external light rectangular barrel-shaped scattering elements, which have the same dimensions in their row height. These height dimensions of the rows continue over the lens sections of the neighboring chambers and should enable a sufficient light yield in the case of a line structure of the optics which is supported in the area of the brake light and the rear fog lamp by an upstream optical disk, the light being directed onto the corresponding barrel-shaped scattering elements is projected.
- a small installation depth of the lamp chamber is necessary, which should avoid the use of an optics disc upstream of the lens and still apply the radiation values prescribed by law.
- Such an optical disk has a light-reducing effect and increases manufacturing costs.
- the usual upstream optical lens can also be omitted in the bright rear fog lamp, since the optically effective surfaces of the circular cone, especially in the vertical radiation plane in the range of + 5 ° and -5 °, reinforce the range for this area Bring the radiation values required by law.
- the circular cone adjoins the tapered end of a truncated cone, as a result of which there is a better removal of the lens from the molding tool.
- FIG. 1 shows the detail of the lens of a chamber from a multi-chamber lamp shown in FIG. 5, the lines labeled (1) representing barrel-shaped or cylindrical lenses (3), the lines labeled (2) representing the circular cones (4) ) and the lines labeled (11) the triple prisms (12).
- the circular cones (4) adjoin each other with flats (5), each making up about 1/4 of the base diameter of the circular cone, so that the greatest optical effectiveness is achieved in the vertical radiation of the light. From the vertical section A-A shown in FIG. 2, the surface profile of the barrel-shaped or cylindrical lenses (3) can be seen compared to the circular-conical scattering elements (4).
- the course of the rays shows that the parallel rays (6 and 7) coming from the reflector fall on the obtuse-angled surfaces (10) of the circular cone (4) of the angle ( ⁇ ⁇ 148 °) and through them behind the lens, based on the optical axis ( X) at + 5 ° upwards and -5 ° downwards.
- the parallel beams (8 and 9), which fall on the barrel-shaped or cylindrical lenses (3), on the other hand, are fanned out behind the lens so that they fill an angle of 7.5 ° around the optical axis (Y) and thus fill in Connection with the circular conical scattering elements (4) meet the radiation values for intensity and angle required by ECE regulation.
- FIG. 2 clearly shows that the circular-conical scattering elements (4) primarily have the task of supplementing the radiation values of the barrel-shaped or cylindrical lenses (3) in the vertical radiation plane and of intensifying them particularly in the area near the lamp.
- a circular cone (4) greatly enlarged in FIG. 4 shows the different slope angles ( ⁇ ⁇ 16 °) of the circular cone (4) and ( ⁇ ) of the truncated cone (11).
- the slope angle ( ⁇ ) of the truncated cone is primarily between 70 ° and 90 ° in order to facilitate the molding process of the lens after the injection molding process.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Claims (2)
- Appareil d'éclairage ou feu à plusieurs compartiments pour véhicules automobiles, ayant les particularités suivantes:- la glace ou diffuseur présente une structure en forme de lignes s'étendant sur toute la largeur du feu,- une plage du diffuseur du feu à plusieurs compartiments est pourvue de surfaces autoréfléchissantes ou catadioptres dont les prismes triples (12) sont disposés en forme de lignes,- les lignes (1, 11) alternent entre prismes triples (12) réfléchissant la lumière venant de l'extérieur et lentilles (3) en forme de barillet ou cylindriques qui présentent une surface de projection rectangulaire et orientée verticalement par le grand côté,- les prismes triples (12) réfléchissant la lumière venant de l'extérieur et les lentilles (3) en barillet ou cylindriques sont disposés sur le côté intérieur du diffuseur et- les lignes (11) avec des prismes triples (12) réfléchissant la lumière venant de l'extérieur et les lignes (1) avec les lentilles (3) en barillet ou cylindriques sont alignées avec des lignes d'éléments optiques dispersifs de segments de diffuseur voisins ayant la même hauteur de ligne que les prismes triples (12) et les lentilles (3) en barillet ou cylindriques, les éléments dispersifs se raccordant en forme de lignes aux lentilles (3) en barillet ou cylindriques, étant également réalisés sous forme de lentilles (3) en barillet ou cylindriques,caractérisé en ce que- les éléments optiques dispersifs, se raccordant en forme de lignes aux prismes triples (12), sont constitués de cônes de révolution (4) se raccordant les uns aux autres en formant des lignes (2),- les sommets des cônes de révolution (4) sont dirigés en sens contraire à la direction d'émission de la lumière,- les cônes de révolution (4) se rejoignent par des méplats (5),- chaque méplat (5) d'un cône de révolution (4) correspond à peu près à 1/4 du diamètre de la base du cône de révolution et- le sommet du cône de révolution (4) forme un angle obtus (γ).
- Feu à plusieurs compartiments selon la revendication 1, caractérisé en ce que le cône de révolution (4) se raccorde à l'extrémité réduite d'un cône tronqué (11).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4025393A DE4025393C1 (fr) | 1990-08-10 | 1990-08-10 | |
DE4025393 | 1990-08-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0472890A1 EP0472890A1 (fr) | 1992-03-04 |
EP0472890B1 true EP0472890B1 (fr) | 1994-06-29 |
Family
ID=6412018
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP91112094A Expired - Lifetime EP0472890B1 (fr) | 1990-08-10 | 1991-07-19 | Feu multiple pour véhicules automobiles |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0472890B1 (fr) |
DE (1) | DE4025393C1 (fr) |
ES (1) | ES2055493T3 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2685440A1 (fr) * | 1991-12-20 | 1993-06-25 | Valeo Vision | Glace pour dispositif optique de signalisation equipee d'elements pseudo-catadioptriques. |
EP0990838A2 (fr) | 1998-09-29 | 2000-04-05 | Hella KG Hueck & Co. | Lampe pour véhicules automobiles |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4324037B4 (de) * | 1993-07-17 | 2006-07-13 | Itt Automotive Europe Gmbh | Signalleuchte, insbesondere für Kraftfahrzeuge |
FR2733949B1 (fr) * | 1995-05-09 | 1997-08-01 | Valeo Vision | Feu de signalisation multifonctions pour vehicule automobile, equipe d'elements catadioptriques et pseudo-catadioptriques |
DE10037007A1 (de) * | 2000-07-29 | 2002-03-07 | Hella Kg Hueck & Co | Leuchte und Verfahren zur Herstellung eines Rückstrahlers für eine Leuchte |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB590357A (en) * | 1945-04-18 | 1947-07-15 | Gen Electric Co Ltd | Improvements in and relating to lighting fittings |
DE933563C (de) * | 1953-11-05 | 1955-09-29 | Westland Gummiwerke G M B H | Reflektor fuer Strassenfahrzeuge |
DE6908341U (de) * | 1969-03-01 | 1969-06-12 | Siemens Ag | Lichtdurchlaessige abdeckung fuer leuchten |
US4332438A (en) * | 1979-03-23 | 1982-06-01 | Lucas Industries Limited | Lens element |
DE3305218C2 (de) * | 1983-02-16 | 1986-03-20 | Westfälische Metall Industrie KG Hueck & Co, 4780 Lippstadt | Mehrkammerleuchte für Kraftfahrzeuge |
-
1990
- 1990-08-10 DE DE4025393A patent/DE4025393C1/de not_active Expired - Lifetime
-
1991
- 1991-07-19 ES ES91112094T patent/ES2055493T3/es not_active Expired - Lifetime
- 1991-07-19 EP EP91112094A patent/EP0472890B1/fr not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2685440A1 (fr) * | 1991-12-20 | 1993-06-25 | Valeo Vision | Glace pour dispositif optique de signalisation equipee d'elements pseudo-catadioptriques. |
EP0549423A1 (fr) * | 1991-12-20 | 1993-06-30 | Valeo Vision | Glace pour dispositif optique de signalisation équipée d'éléments pseudo-catadioptriques |
EP0990838A2 (fr) | 1998-09-29 | 2000-04-05 | Hella KG Hueck & Co. | Lampe pour véhicules automobiles |
Also Published As
Publication number | Publication date |
---|---|
DE4025393C1 (fr) | 1992-01-09 |
ES2055493T3 (es) | 1994-08-16 |
EP0472890A1 (fr) | 1992-03-04 |
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