EP0877899B1 - Fahrzeugleuchte - Google Patents
Fahrzeugleuchte Download PDFInfo
- Publication number
- EP0877899B1 EP0877899B1 EP97950186A EP97950186A EP0877899B1 EP 0877899 B1 EP0877899 B1 EP 0877899B1 EP 97950186 A EP97950186 A EP 97950186A EP 97950186 A EP97950186 A EP 97950186A EP 0877899 B1 EP0877899 B1 EP 0877899B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- partial
- vehicle lamp
- lamp according
- fresnel lens
- partial surface
- 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
- 238000010276 construction Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000005286 illumination Methods 0.000 abstract description 7
- 230000005855 radiation Effects 0.000 description 3
- 238000005315 distribution function Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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
- F21S43/255—Filters
-
- 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
- the invention relates to a vehicle lamp according to the features of the preamble of claim 1.
- GB 2 262 801 is a vehicle lamp with a housing and a lens that closes the housing are known.
- the Vehicle lamp has at least one lamp chamber in the corner area of the Motor vehicle is arranged such that the light distribution generated both for Vehicle longitudinal axis and the vehicle side.
- To generate the Light distribution in the luminaire chamber is a light source and the light of the Fresnel lens collecting light source arranged in at least one Part of the lens is arranged adjacent to the lens and itself extends essentially over the entire luminaire chamber.
- the Fresnel lens points at least one curved partial surface.
- the Fresnel lenses used have either very simple geometries that the desired Not guarantee light distribution or the Fresnel lenses have very expensive complicated, difficult to construct geometries, their construction and Manufacturing are very expensive.
- the invention has for its object to provide a vehicle lamp that using a Fresnel lens as a light-collecting medium, the best possible, up to the Side area of the vehicle extending light distribution and Light illumination achieved and at the same time easy and inexpensive to construct and is producible.
- each partial area is simple geometric structure can be constructed inexpensively and for a simple and inexpensive manufacturing tools that can be created independently Have surface areas of simple structuring to be processed from one another.
- the configuration of the first partial surface as a spherical surface proves to be particularly advantageous because the associated tool as a symmetrical Turned part can be formed.
- the same advantages result if the second and third sub-areas than in essentially straight surface elements are formed.
- the second partial surface becomes freer as a slightly curved surface Geometry selected, the surface of the tool can be used to generate the Fresnel disk in this section made in simple form as a milled part become.
- the choice of a surface of free geometry results in the special Advantage that the free end portion of the third sub-area best matches the course the vehicle lamp in the side area and thus to the course of the Vehicle body can be adjusted. With today's vehicle bodies this area often has a curvature in all directions.
- Figure 1 shows a vehicle lamp for installation in the corner area of a Motor vehicle.
- This vehicle lamp can, as in the one shown here Embodiment, a rear light, or as z.
- B. front Flashing light should be designed.
- the vehicle lamp has a housing (G) which is closed by a lens (L). At least one lamp chamber (K) is arranged in the corner area of the vehicle in the housing (G).
- the lamp chamber (K) receives a light source (Q), which is inserted into the housing (G), for example via a socket (S).
- the luminaire chamber (K) shown here has a Fresnel lens (F) as the light-collecting means, which extends essentially over the entire luminaire chamber (K) and is arranged in at least one partial area adjacent to the lens (L).
- the Fresnel lens (F) is divided into three partial areas (T1, T2, T 3) in order to enable the best possible illumination of the lens (L) in all surface areas while being as simple as possible to manufacture.
- the central partial surface (T1) is designed, for example, as a curved spherical surface and has the center of the concentrically arranged prism rings (P), not shown here, which continue in alignment in all partial surfaces (T1, T2, T 3) of the Fresenl lens (F).
- the light source (Q) is arranged with its light-emitting filament at the focal point of the Fresnel lens (F).
- the partial surface (T2) adjoining the first partial surface (T1) in the lateral region of the vehicle lamp continuously changes into the geometric shape of the first partial surface (T1) in the region of the vertical dividing line (TL 1, 2).
- the second partial surface (T2) in the region of its free end is optimally adapted to the surface profile of the housing wall of the housing (G) and / or the surface profile of the lens (L) in this region.
- the second partial surface (T2) is designed as a surface of free geometry carrying prism rings (P) or scattering elements, the tool of which can be designed, for example, as a milled part.
- the second partial surface can also be designed essentially in a straight line and the generating tool can be designed as a turned part.
- the first partial surface can (T1) extend as far as the housing (G) towards the center of the vehicle.
- the embodiment shown here is the first partial area (T1) continuously into a third partial area (T3) in the area of the dividing line (TL 1,3).
- the third partial surface (T3) of the Fresnel lens (F) can be essentially rectilinear surface or as shown in the here Embodiment, have a conical surface so that the best possible Adjustment and the best possible transition of the first partial area (T1) in the area the dividing line (TL1, 3) in the third sub-area (T3) is guaranteed because both Areas in the area of the dividing line (TL 1.3) have the same radius.
- Figure 2 illustrates the structure of the Fresnel lens (E) shown here by way of example three partial areas (T1, T2, T 3) each on the dividing lines (TL1, 2 and TL 1,3) merge continuously.
- the center (Z) of FIG. 2 is also the concentrically arranged primer rings (P) and the corresponding focal point (B) the Fresnel lens (F) can be removed.
- Figure 2 also illustrates that the Fresnel lens (F) spans an angle of approx. 90 °.
- the through the Fresnel lens (F) in the horizontal section spanned angle between 80 ° and 120 °.
- the prism rings (P) emit radiation Light from the light source, not shown, in a radiation direction between 0 ° to 45 °.
- the primer rings (P) on the second partial surface (T2) serve only the Side illumination.
- Figure 3 shows the Fresnel disk (F) in a front view.
- P Prism rings
- Z Z
- Increasing the central light emission can take the place of Total reflection prisms in the one indicated by the dashed line Area that extends around the center, also using prisms breaking Find.
- the Fresnel lens (F) is preferably made in one piece from plastic.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
- Glass Compositions (AREA)
- Inorganic Insulating Materials (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Soil Working Implements (AREA)
Description
- Figur 1
- einen horizontalen Schnitt durch eine erfindungsgemäße Fahrzeugleuchte,
- Figur 2
- einen horizontalen Schnitt durch eine Fresnellinse gemäß Figur 1,
- Figur 3
- eine Vorderansicht einer Fresnellinse gemäß Figur 2.
Für eine einfachere Herstellbarkeit kann die zweite Teilfläche auch im wesentlichen geradlinig ausgebildet werden und das erzeugende Werkzeug als ein Drehteil ausgeführt sein.
Claims (13)
- Fahrzeugleuchte, mit einem Gehäuse (G), mit einer das Gehäuse (G) abschließenden Lichtscheibe (L), die sich über einen Eckbereich des Fahrzeugs erstreckt, mit mindestens einer Leuchtenkammer (K) in dem Gehäuse (G) in der eine Lichtquelle (Q) angeordnet ist, und mit einer zwischen der Lichtquelle (Q) und der Lichtscheibe (L) angeordneten konzentrisch angeordnete Prismenringe (P) aufweisenden Fresnellinse (F), die mindestens in einem Teilbereich der Lichtscheibe (L) zu dieser benachbart angeordnet ist, wobei die Fresnellinse (F) mindestens eine Teilfläche aufweist, die gekrümmt verläuft, dadurch gekennzeichnet, daß die Fresnellinse (F) aus einer das Zentrum (Z) der konzentrisch angeordneten Prismenringe (P) aufweisenden gekrümmten ersten Teilfläche (T1) und einer sich bis in den Seitenbereich der Leuchtenkammer (K) erstreckenden zweiten Teilfläche (T2) besteht, daß die Teilflächen (T1, T2) sich unterscheidende Flächengeometrien aufweisen, daß die Teilflächen (T1, T2) durch vertikal verlaufende Trennlinien (TL 1,2) zueinander abgegrenzt sind und daß sich die konzentrischen Prismenringe (P) über die Trennlinien (TL 1,2) hinaus fluchtend in der jeweils anderen Teilfläche fortsetzen.
- Fahrzeugleuchte nach Anspruch 1, dadurch gekennzeichnet, daß die erste Teilfläche (T1) eine Kugelfläche ist.
- Fahrzeugleuchte nach Anspruch 2, dadurch gekennzeichnet, daß die zweite Teilfläche (T2) im wesentlichen gradlinig verläuft.
- Fahrzeugleuchte nach Anspruch 1, dadurch gekennzeichnet, daß die zweite Teilfläche (T2) eine leicht gekrümmt verlaufende Fläche freier Geometrie ist.
- Fahrzeugleuchte nach mindestens einem der vorstehenden Ansprüche, dadurch gekennzeichnet, daß sich an die erste Teilfläche (T1) zur Fahrzeugmitte eine dritte Teilfläche (T3) anschließt.
- Fahrzeugleuchte nach Anspruch 5, dadurch gekennzeichnet, daß die dritte Teilfläche (T3) im wesentlichen gradlinig verläuft.
- Fahrzeugleuchte nach Anspruch 5, dadurch gekennzeichnet, daß die dritte Teilfläche (T3) eine Kegelfläche ist.
- Fahrzeugleuchte nach mindestens einem der vorstehenden Ansprüche, dadurch gekennzeichnet, daß die erste Teilfläche (T1) aus unterschiedliche Radien aufweisenden Kugelflächen aufgebaut ist.
- Fahrzeugleuchte nach mindestens einem der vorstehenden Ansprüche, dadurch gekennzeichnet, daß die Teilflächen (T1, T2, T 3) an ihren Trennlinien (TL1, 2; TL 1,3) zur jeweils benachbarten Teilfläche an den Flächenverlauf dieser Teilfläche angepaßt ist.
- Fahrzeugleuchte nach mindestens einem der vorstehenden Ansprüche, dadurch gekennzeichnet, daß die Fresnellinse (F) mit allen Teilflächen (T1, T2, T 3) einstückig ausgebildet ist.
- Fahrzeugleuchte nach mindestens einem der vorstehenden Ansprüche, dadurch gekennzeichnet, daß sich die konzentrischen Prismenringe (P) fluchtend in alle Teilflächen (T1, T2, T 3) fortsetzen.
- Fahrzeugleuchte nach mindestens einem der vorstehenden Ansprüche, dadurch gekennzeichnet, daß die Fresnellinse (F) im horizontalen Schnitt einen Winkel zwischen 80° und 120° aufspannt.
- Fahrzeugleuchte nach Anspruch 12, dadurch gekennzeichnet, daß die Fresnellinse (F) einen Winkel von etwa 90° aufspannt.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19647357 | 1996-11-15 | ||
DE19647357A DE19647357A1 (de) | 1996-11-15 | 1996-11-15 | Fahrzeugleuchte |
PCT/EP1997/006337 WO1998022748A1 (de) | 1996-11-15 | 1997-11-13 | Fahrzeugleuchte |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0877899A1 EP0877899A1 (de) | 1998-11-18 |
EP0877899B1 true EP0877899B1 (de) | 2002-04-10 |
Family
ID=7811820
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97950186A Expired - Lifetime EP0877899B1 (de) | 1996-11-15 | 1997-11-13 | Fahrzeugleuchte |
Country Status (10)
Country | Link |
---|---|
US (1) | US6146004A (de) |
EP (1) | EP0877899B1 (de) |
AT (1) | ATE216048T1 (de) |
AU (1) | AU719245B2 (de) |
BR (1) | BR9707143A (de) |
DE (2) | DE19647357A1 (de) |
ES (1) | ES2175497T3 (de) |
PL (1) | PL184623B1 (de) |
PT (1) | PT877899E (de) |
WO (1) | WO1998022748A1 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19852308A1 (de) * | 1998-11-12 | 2000-06-15 | Volkswagen Ag | Gekrümmte Signalleuchte für ein Fahrzeug |
DE19854303A1 (de) | 1998-11-25 | 2000-06-29 | Hella Kg Hueck & Co | Fahrzeugleuchte |
FR2826099B1 (fr) | 2001-06-18 | 2003-12-19 | Valeo Vision | Dispositif d'eclairage ou de signalisation d'aspect ameliore pour vehicule automobile |
US20040202003A1 (en) * | 2003-04-11 | 2004-10-14 | Guide Corporation | Selective output wave-guide |
FR2878020B1 (fr) * | 2004-11-18 | 2008-12-19 | Valeo Vision Sa | Dispositif d'eclairage et/ou de signalisation pour automobile produisant un faisceau lumineux sur le cote d'un vehicule automobile |
DE102007033709A1 (de) * | 2007-07-17 | 2009-01-22 | Volkswagen Ag | Fahrzeugleuchtvorrichtung mit einer lichtstreuenden Zwischenlichtscheibe |
US7589917B2 (en) * | 2007-10-25 | 2009-09-15 | Honeywell International Inc. | Collimating fresnel lens with diffuser appearance |
JP5165352B2 (ja) * | 2007-12-06 | 2013-03-21 | スタンレー電気株式会社 | 車両用信号灯 |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT317729B (de) * | 1971-05-07 | 1974-09-10 | Swarovski & Co | Wildwarnreflektor |
AT326498B (de) * | 1972-05-23 | 1975-12-10 | Zizala Metallwaren Karl | Signalleuchte |
IT1160893B (it) * | 1978-10-30 | 1987-03-11 | Iao Industrie Riunite Spa | Fanale per autoveicoli |
DE2908453C2 (de) * | 1979-03-05 | 1981-12-03 | Westfälische Metall Industrie KG Hueck & Co, 4780 Lippstadt | Farbiges Licht abgebende Signalleuchte, insbesondere für Fahrzeuge |
DE2908821C2 (de) * | 1979-03-07 | 1982-08-05 | Volkswagenwerk Ag, 3180 Wolfsburg | Farbig strahlende Eckleuchte für ein Fahrzeug |
DE3362901D1 (en) * | 1982-06-24 | 1986-05-15 | Britax Vega Ltd | Vehicle lamp assemblies |
US4722023A (en) * | 1984-05-15 | 1988-01-26 | Koito Seisakusho Co., Ltd. | Lamp assembly for emitting a beam of light at an angle to its optical axis |
DE3619592A1 (de) * | 1986-06-11 | 1987-12-17 | Ullmann Ulo Werk | Fahrzeugleuchte in flachbauweise |
US4912606A (en) * | 1987-10-28 | 1990-03-27 | Koito Manufacturing Co., Ltd. | Vehicle lamp device |
JPH01146202A (ja) * | 1987-12-01 | 1989-06-08 | Koito Mfg Co Ltd | 車輌用灯具 |
IT1211618B (it) * | 1987-12-22 | 1989-11-03 | Fiat Auto Spa | Fanale retronebbia per autoveicoli |
JPH01235101A (ja) * | 1988-03-16 | 1989-09-20 | Koito Mfg Co Ltd | 車輌用灯具 |
JPH01258301A (ja) * | 1988-04-07 | 1989-10-16 | Honda Motor Co Ltd | 自動車用リアコンビネーションランプ |
JPH01257142A (ja) * | 1988-04-07 | 1989-10-13 | Honda Motor Co Ltd | インナーレンズ用金型の製造方法 |
US5081564A (en) * | 1989-07-11 | 1992-01-14 | Koito Manufacturing Co., Ltd. | Vehicular lighting device |
DE4005417C1 (en) * | 1990-02-21 | 1991-07-18 | Ulo-Werk Moritz Ullmann Gmbh & Co Kg, 7340 Geislingen, De | Lamp cover for motor vehicle tail light cluster - is integral piece with bendable region(s) allowing bowing to fit assembly contour |
JP2582928B2 (ja) * | 1990-05-30 | 1997-02-19 | 株式会社小糸製作所 | 自動車用灯具 |
JP2700970B2 (ja) * | 1991-12-14 | 1998-01-21 | 株式会社小糸製作所 | 車輌用灯具のレンズ及びその金型作製方法 |
FR2707222B1 (fr) * | 1993-07-07 | 1995-09-29 | Valeo Vision | Feu de signalisation perfectionné à diodes électroluminescentes. |
FR2708986B1 (fr) * | 1993-08-09 | 1995-11-03 | Valeo Vision | Glace de feu de signalisation. |
JP2842260B2 (ja) * | 1994-01-11 | 1998-12-24 | 市光工業株式会社 | プロジェクタ型前照灯の色むら防止構造 |
-
1996
- 1996-11-15 DE DE19647357A patent/DE19647357A1/de not_active Withdrawn
-
1997
- 1997-11-13 PL PL97327941A patent/PL184623B1/pl not_active IP Right Cessation
- 1997-11-13 WO PCT/EP1997/006337 patent/WO1998022748A1/de active IP Right Grant
- 1997-11-13 AT AT97950186T patent/ATE216048T1/de not_active IP Right Cessation
- 1997-11-13 BR BR9707143A patent/BR9707143A/pt not_active IP Right Cessation
- 1997-11-13 EP EP97950186A patent/EP0877899B1/de not_active Expired - Lifetime
- 1997-11-13 ES ES97950186T patent/ES2175497T3/es not_active Expired - Lifetime
- 1997-11-13 DE DE59706965T patent/DE59706965D1/de not_active Expired - Lifetime
- 1997-11-13 AU AU53218/98A patent/AU719245B2/en not_active Ceased
- 1997-11-13 PT PT97950186T patent/PT877899E/pt unknown
- 1997-11-13 US US09/114,288 patent/US6146004A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE19647357A1 (de) | 1998-05-20 |
US6146004A (en) | 2000-11-14 |
BR9707143A (pt) | 1999-05-18 |
PL184623B1 (pl) | 2002-11-29 |
AU719245B2 (en) | 2000-05-04 |
AU5321898A (en) | 1998-06-10 |
PT877899E (pt) | 2002-09-30 |
EP0877899A1 (de) | 1998-11-18 |
ES2175497T3 (es) | 2002-11-16 |
DE59706965D1 (de) | 2002-05-16 |
WO1998022748A1 (de) | 1998-05-28 |
ATE216048T1 (de) | 2002-04-15 |
PL327941A1 (en) | 1999-01-04 |
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