DE2637211A1 - HEADLIGHTS FOR MOTOR VEHICLES - Google Patents
HEADLIGHTS FOR MOTOR VEHICLESInfo
- Publication number
- DE2637211A1 DE2637211A1 DE19762637211 DE2637211A DE2637211A1 DE 2637211 A1 DE2637211 A1 DE 2637211A1 DE 19762637211 DE19762637211 DE 19762637211 DE 2637211 A DE2637211 A DE 2637211A DE 2637211 A1 DE2637211 A1 DE 2637211A1
- Authority
- DE
- Germany
- Prior art keywords
- cap
- headlight
- light
- filament
- lamp
- 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.)
- Granted
Links
- 229910052736 halogen Inorganic materials 0.000 claims description 5
- 150000002367 halogens Chemical class 0.000 claims description 5
- 230000003287 optical effect Effects 0.000 claims description 4
- 241000251730 Chondrichthyes Species 0.000 claims 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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
- 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
- F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
-
- 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
-
- 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
- F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
- F21S41/162—Incandescent light sources, e.g. filament or halogen lamps
- F21S41/164—Incandescent light sources, e.g. filament or halogen lamps having two or more filaments
-
- 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
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/28—Cover glass
-
- 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
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/285—Refractors, transparent cover plates, light guides or filters not provided in groups F21S41/24 - F21S41/2805
-
- 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
- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
- F21S41/32—Optical layout thereof
- F21S41/321—Optical layout thereof the reflector being a surface of revolution or a planar surface, e.g. truncated
-
- 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
- F21S41/40—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades
- F21S41/43—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades characterised by the shape thereof
-
- 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
- F21S41/40—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades
- F21S41/47—Attachment thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
- F21W2102/30—Fog lights
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)
Description
Die Erfindung geht aus von einem Scheinwerfer für Kraftfahrzeuge nach der Gattung des Hauptanspruchs. Es ist schon bekannt, das Nebellicht in einem Scheinwerfer mit einer Einfadenlampe und das Fernlicht mit einem gemeinsamen Fern- und Abblendlichtschcinwerfer mittels einer Zweifadenlampe oder in einem Zusatzscheinwerfer mit einer Einfadenlampe zu erzeugen. Da die meisten Kraftfahrzeugtypen in ihrer Grund-. ausstattung keine Nebellicht-Scheinwerfer auf\iieisen, sind dann insgesamt vier Scheinwerfer zusätzlich am Fahrzeug anzubringen, wenn das Nebellicht und ein zusätzliches Fernlicht gewünscht wird.The invention is based on a headlight for motor vehicles according to the preamble of the main claim. It is already known, the fog light in a headlight with a single filament lamp and the high beam with a common one High and low beam headlights by means of a two-filament lamp or in an auxiliary headlight with a single-filament lamp. As most types of motor vehicles in their basic. equipment no fog light headlights on \ iieisen are then a total of four headlights to be attached to the vehicle if the fog light and an additional high beam are required will.
Um die Zahl dieser Zusatzscheinwerfer zu verringern, ist bereits ein Scheinwerf.er. vorgeschlagen worden, der die Funktionen eines Zusatz-Fernscheinwerfers und eines Nebelscheinwerfers in sich vereinigt. Dieser Scheinwerfer verfügt über zwei Reflektoren und ist mit zwei Einfaden-Halogenlampen ausgerüstet. Da beide Reflektoren in einem gemeinsamen Scheinwerfergehäuse angeordnet sind, baut dieses verhältnismäßig groß, so daß dieser Zusatzscheinwerfer die herkömmlichen Größenordnungen auffällig übersteigt und somit als unproportional empfunden wird.To reduce the number of these additional headlights is already a headlight. has been proposed that the functions of an auxiliary high-beam headlight and a Fog lights united in one. That headlight has two reflectors and is equipped with two single-filament halogen lamps. Since both reflectors in one common headlight housing are arranged, this builds relatively large, so that this additional headlight noticeably exceeds the conventional dimensions and is therefore perceived as disproportionate.
Vorteile der Erfindung Advantages of the Invention
Der erfindungsgemäße Scheinwerfer für Kraftfahrzeuge mit den kennzeichnenden Merkmalen des Hauptanspruchs hat gegenüber dem erörterten Stand der Technik den Vorteil, daß mit einer handelsüblichen Zweifadenlampe in nur einem Scheinwerfer sowohl das Nebellicht als auch das Fernlicht wechselweise erzeugt werden kann.The headlight according to the invention for motor vehicles with the characterizing features of the main claim has the advantage over the discussed prior art that with a commercially available two-filament lamp Both the fog light and the high beam can be generated alternately in just one headlight.
809808/0256809808/0256
D.urch die in den ünteransprüchen aufgeführten Maßnahmen sind vorteilhafte Weiterbildungen und Verbesserungen des im Haupt arispruch angegebenen Scheinwerfers möglich. Um mit handelsüblichen Glühlampen den erfindungsgemäßen Effekt herbeizuführen ist es vorteilhaft, eine insbesondere Zweifadenlampe für das Fern- und asymmetrische Abblendlicht zu Verwenden und diese um den halben Winkel des asymmetrischen Teils derart zu drehen, daß das ausgesandte Nebellichtbündel zur axialen Vertikalebene des Scheinwerfers symmetrisch ist.D. through the measures listed in the subclaims Advantageous developments and improvements of the headlight specified in the main claim are possible. Around with conventional incandescent lamps according to the invention To bring about an effect, it is advantageous to use a particular two-filament lamp for the high beam and asymmetrical low beam and this by half the angle of the To rotate asymmetrical part in such a way that the emitted fog light beam to the axial vertical plane of the headlamp is symmetrical.
Darüber hinaus wird noch als vorteilhaft angesehen, das Nebellichtband durch optisch wirksame Mittel in der oberen Streuscheibenhälfte fächerartig zu verbreitern, wodurch die gesamte Fahrbahnbreite vor dem Fahrzeug ausgeleuchtet wird.In addition, the To widen the fog light band by optically effective means in the upper half of the diffuser in a fan-like manner, whereby the entire lane width in front of the vehicle is illuminated.
Zeichnungdrawing
Drei Ausführungsbeispiele sind in der Zeichnung dargestellt und werden in folgender Beschreibung näher erläutert. Es zeigen: Fig. 1 einen Scheinwerfer für Kraftfahrzeuge für wechselweise schaltbares Fern- oder Hebellicht im Vertikalschnitt und verkleinerte]!} Maßstab, jedoch ohne Gehäuse, Fig. 2 eine erste Ausführung einer Kappe im Querschnitt und vergrößertem Maßstab, jedoch ohne Nebellicht-Glühwendel, Fig. J5 eine zweite Ausführung der Kappe in gleicher Darstellungsweise, und Fig. H eine teilweise geschnittene Frontansicht nur" des Schirmes in Pfüilrichtung 30 in Fig. 1.Three exemplary embodiments are shown in the drawing and are explained in more detail in the following description. 1 shows a headlight for motor vehicles for alternately switchable high beam or lever light in vertical section and reduced]!} Scale, but without housing, FIG. 2 shows a first embodiment of a cap in cross section and on an enlarged scale, but without fog light filament, FIG. 5 shows a second embodiment of the cap in the same manner of representation, and FIG. H shows a partially sectioned front view of only "the umbrella" in the direction of flow 30 in FIG. 1.
Der Scheinwerfer* 10 für Kraftfahrzeuge besteht im wesentlichen aus einem paraboloiden Reflektor 11, einer davor gesetzten lichtdurchlässigen Streuscheibe 12 und einer im Scheitelbereich einsetzbaren Zweifadcii-HalogenpilPhlampe 13·The headlight * 10 for automobiles consists essentially from a parabolic reflector 11, a translucent diffuser 12 placed in front of it and one two-fadcii halogen bulb that can be used in the apex area 13
809808/0256809808/0256
Ein Schirm l'l ist an zwei Stegen 28 in nichtgezeichneter Weise am Reflektor 11 befestigt und verhindert das Austreten von der Glühlampe 13 unmittelbar austretender, d.h. nicht reflektierter Strahlen aus dem Scheinwerfer 10.A screen l'l is on two webs 28 in not shown Wise attached to the reflector 11 and prevents the exit of the bulb 13 directly exiting, i.e. not reflected rays from the headlight 10.
Im Lampkolben 15 der Glühlampe 13 ist eine erste Glühwendel 16 annähernd vor dem Brennpunkt des Reflektors angeordnet, welche von einer nach oben offenen Kappe 17 umgeben ist. Eine zweite Glühwendel 18 ist im Brennpunkt des Reflektors liangeordnet. In the lamp bulb 15 of the incandescent lamp 13 there is a first incandescent filament 16 approximately in front of the focal point of the reflector arranged, which is surrounded by a cap 17 open at the top. A second incandescent filament 18 is in focus of the reflector left.
Die in Fig. 2 _ für das asymmetrische Abblendlicht bestimmten Kappe 17 hat einen Kappenwinkel von 165 Grad und bildet bei bestimmungsgemäßen Gebrauch den um 15 Grad ansteigenden Ast des Abblendllchtbündcls. Wird die erste Glühwendel 16 dieser Glühlampe 13 jedoch in erfindungsgemäßer Weise zur Erzeugung des Nebellichtes verwendet, so 1st die Glühlampe 13 und mithin die damit festverbundene Kappe 17 gemäß Fig. 2 in eine zur Vertikalebene 19 symmetrische Lage zu drehen, wobei diese Ebene die optische Achse 20 einschließt. Die Drehung erfolgt um 7,5 Grad, wodurch zwei, die sogenannte Hell-Dunkel-Grenae des Abblendiichtbündels erzeugenden Ränder· 21 der Kappe 17 auf einer horizontalen Ebene 22 zu liegen kommen.The in Fig. 2 _ intended for the asymmetrical low beam cap 17 has a Cap angle of 165 degrees and forms when used as intended Use the branch of the low beam, which rises by 15 degrees. If the first incandescent filament 16 of this However, incandescent lamp 13 is used in the manner according to the invention to generate the fog light, so is the incandescent lamp 13 and consequently the cap 17 firmly connected therewith according to FIG 2 into a position which is symmetrical to the vertical plane 19, this plane including the optical axis 20. The rotation takes place by 7.5 degrees, whereby two, the so-called light-dark line of the dimming bundle generating edges 21 of the cap 17 come to lie on a horizontal plane 22.
In dex· «weiten Ausführung nach Fig. 3 ist die Kappe 27 gegeriübex1 der für. das wechselweise Fern- und Nebellicht bestimmten Glühliimpe von vornherein gegenüber der Vertikalebene IQ symmetrisch angeordnet, so daß die beiden Ränder 21 der Kappen ebenfalls auf der horizontalen Ebene zu liegen kommo.-i und einen Kappenv/irikel von mindestens 180 Grad einschlioßon.In dex · "wide embodiment of FIG. 3, the cap 27 gegeriübex 1 for the. the alternating high-beam and fog light determined incandescent lamp from the outset arranged symmetrically with respect to the vertical plane IQ, so that the two edges 21 of the caps also lie on the horizontal plane and include a cap element of at least 180 degrees.
Die in B1Ig- 1 dargestellte Streuscheibe 12 hat in der oberen Hälfte optisch wii'ksaine Mittel 23"beispielsweise senkrecht stehende Prismen oder Linsen - zum Reflektorinneren, welche nach außen hindurchtrefcende Lichtstrahlen The diffusing screen 12 shown in B 1 Ig-1 has in the upper half optically wii'ksaine means 23 ″, for example, perpendicular prisms or lenses - to the inside of the reflector, which light rays penetrate outward
809808/0256809808/0256
3 ~Γ>3 ~ Γ>
horizontal streuen; in der unteren Hälfte der Streuscheibe sind ebenfalls optisch wirksame Mittel 2zf angeordnet, die jedoch nach außen hindurchtretende Lichtstrahlen bündeln.scatter horizontally; optically effective means 2 z f are also arranged in the lower half of the diffuser, but they bundle light rays passing through to the outside.
Eine weitere Möglichkeit, eine waagerechte Helldunkelgrenze mit einer herkömmlichen Zweifadenlampe für das asymmetrische Abblendlicht zu bilden zeigt Figur 4. Hier hat die Kappe wieder den um 15 Grad abgeschrägten Kappenrand 21 und den den horizontalen Ast dieser Grenze bildenden Rand 21. Beide den Schirm Ik am Reflektor haltenden Stege 28 liegen mit ihren oberen Kanten auf der horizontalen Ebene 22, wodurch eine ebensolche Helldunkelgrenze gebildet wird.Another possibility of forming a horizontal light-dark border with a conventional two-filament lamp for the asymmetrical low beam is shown in FIG. 4. Here the cap again has the cap edge 21 beveled by 15 degrees and the edge 21 forming the horizontal branch of this border. Both the screen Ik on the reflector holding webs 28 lie with their upper edges on the horizontal plane 22, whereby such a light-dark border is formed.
Der erfindungsgemäße Scheinwerfer für Kraftfahrzeuge bildet die beiden Lichtbündel wie folgt:The headlight according to the invention for motor vehicles forms the two light bundles as follows:
Ist die erste Glühwendel 16 eingeschaltet, so werden die nach unten gerichteten Strahlen von der Kappe 17 abgeschirmt, und die nach oben ausgesendeten Strahlen 25 werden aufgrund der Entfokussierung der Glühwendel vom Reflektor 11 nach unten reflektiert und beim Hin- ' durchtreten durch die obere Hälfte der Streuscheibe 12 von deren optischen Mitteln 23 fächerartig gebrochen, so daß ein breites Nebellichtbarid den Fahrbahnbereich vor dem Fahrzeug ausleuchtet. Wird hingegen die zweite, im Brennpunkt des Reflektors 11 angeordnete Glühwendel 18 eingeschaltet, so werden Strahlen 26 ausgesendet, die im wesentlichen parallel zur optischen Achse 20 reflektiert werden und beim Hindurchtreten durch die untere Hälfte der Streuscheibe 12 von deren · optisch v/irksamen Mitteln 24 gebündelt. Das Nebellicht und das Fernlicht ist nur wechselweise schaltbar.If the first incandescent filament 16 is switched on, the downwardly directed rays are shielded by the cap 17, and the rays 25 emitted upward are reflected downwards by the reflector 11 due to the defocusing of the incandescent filament and when they pass through the upper half of the Diffuser 12 broken like a fan by the optical means 23, so that a wide fog light illuminates the lane area in front of the vehicle. If, on the other hand, the second incandescent filament 18 arranged at the focal point of the reflector 11 is switched on, rays 26 are emitted which are reflected essentially parallel to the optical axis 20 and, when passing through the lower half of the diffuser plate 12, by its optically active means 24 bundled. The fog light and the high beam can only be switched alternately.
809808/0256809808/0256
e e r s e i \ eeersei \ e
Claims (7)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2637211A DE2637211C2 (en) | 1976-08-18 | 1976-08-18 | Combined headlight for automobiles |
FR7722300A FR2362336A1 (en) | 1976-08-18 | 1977-07-20 | Car headlamp with main beam filament at reflector focus - has cup beneath fog lamp filament and screen mounted in front of bulb by brackets |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2637211A DE2637211C2 (en) | 1976-08-18 | 1976-08-18 | Combined headlight for automobiles |
Publications (2)
Publication Number | Publication Date |
---|---|
DE2637211A1 true DE2637211A1 (en) | 1978-02-23 |
DE2637211C2 DE2637211C2 (en) | 1985-09-05 |
Family
ID=5985759
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2637211A Expired DE2637211C2 (en) | 1976-08-18 | 1976-08-18 | Combined headlight for automobiles |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE2637211C2 (en) |
FR (1) | FR2362336A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3533117A1 (en) * | 1985-09-17 | 1987-03-26 | Bosch Gmbh Robert | Headlight for the common fog light and main beam of motor vehicles |
DE19639494A1 (en) * | 1996-09-26 | 1998-04-02 | Hella Kg Hueck & Co | Vehicle headlights |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2523267A1 (en) * | 1982-03-15 | 1983-09-16 | Laribe Armand | IMPROVEMENTS ON LUMINOUS SPOTLIGHTS FOR MOTOR VEHICLES, ESPECIALLY AUTOMOTIVE |
FR2694373B1 (en) * | 1992-07-30 | 1994-11-04 | Valeo Vision | Motor vehicle headlamp comprising a lamp with two filaments for selectively generating a fog beam and a driving beam. |
DE19640941A1 (en) * | 1996-10-04 | 1998-04-16 | Teves Gmbh Alfred | Circuit arrangement for motor vehicle fog- and head-lamp vehicle |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1580276A1 (en) * | 1966-05-20 | 1971-03-25 | Edwin Liebig | Fog light device for car headlights |
-
1976
- 1976-08-18 DE DE2637211A patent/DE2637211C2/en not_active Expired
-
1977
- 1977-07-20 FR FR7722300A patent/FR2362336A1/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1580276A1 (en) * | 1966-05-20 | 1971-03-25 | Edwin Liebig | Fog light device for car headlights |
Non-Patent Citations (1)
Title |
---|
Krafthand, Jan.1976, H.1, S.18 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3533117A1 (en) * | 1985-09-17 | 1987-03-26 | Bosch Gmbh Robert | Headlight for the common fog light and main beam of motor vehicles |
DE19639494A1 (en) * | 1996-09-26 | 1998-04-02 | Hella Kg Hueck & Co | Vehicle headlights |
Also Published As
Publication number | Publication date |
---|---|
DE2637211C2 (en) | 1985-09-05 |
FR2362336B3 (en) | 1980-04-18 |
FR2362336A1 (en) | 1978-03-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8110 | Request for examination paragraph 44 | ||
8120 | Willingness to grant licences paragraph 23 | ||
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |