DE4330503A1 - Device for launching (coupling) the light emitted from a light source into an optical fibre bundle - Google Patents
Device for launching (coupling) the light emitted from a light source into an optical fibre bundleInfo
- Publication number
- DE4330503A1 DE4330503A1 DE4330503A DE4330503A DE4330503A1 DE 4330503 A1 DE4330503 A1 DE 4330503A1 DE 4330503 A DE4330503 A DE 4330503A DE 4330503 A DE4330503 A DE 4330503A DE 4330503 A1 DE4330503 A1 DE 4330503A1
- Authority
- DE
- Germany
- Prior art keywords
- light source
- bundle
- deflecting mirror
- secondary light
- light
- 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.)
- Withdrawn
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/097—Supervising of traffic control systems, e.g. by giving an alarm if two crossing streets have green light simultaneously
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
- B61L5/12—Visible signals
- B61L5/18—Light signals; Mechanisms associated therewith, e.g. blinders
- B61L5/1809—Daylight signals
- B61L5/1881—Wiring diagrams for power supply, control or testing
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0005—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being of the fibre type
- G02B6/0006—Coupling light into the fibre
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4298—Coupling light guides with opto-electronic elements coupling with non-coherent light sources and/or radiation detectors, e.g. lamps, incandescent bulbs, scintillation chambers
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F13/00—Illuminated signs; Luminous advertising
- G09F13/04—Signs, boards or panels, illuminated from behind the insignia
- G09F13/0418—Constructional details
- G09F13/0472—Traffic signs
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/305—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being the ends of optical fibres
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4296—Coupling light guides with opto-electronic elements coupling with sources of high radiant energy, e.g. high power lasers, high temperature light sources
- G02B2006/4297—Coupling light guides with opto-electronic elements coupling with sources of high radiant energy, e.g. high power lasers, high temperature light sources having protection means, e.g. protecting humans against accidental exposure to harmful laser radiation
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/305—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being the ends of optical fibres
- G09F2009/3055—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being the ends of optical fibres for traffic signs
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- Theoretical Computer Science (AREA)
- Mechanical Engineering (AREA)
- Optical Couplings Of Light Guides (AREA)
- Train Traffic Observation, Control, And Security (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
Description
Die Erfindung betrifft eine Vorrichtung zur direkten Ein kopplung des von einer Hauptlichtquelle, vorzugsweise Halo gen- oder Xenonlampe, ausgesandten Lichtes in ein faserop tisches Lichtleiterbündel, dessen einzelne Lichtleiter zu einer Anzeigeeinrichtung geführt sind, insbesondere Ver kehrswechselzeichen im Straßenverkehr oder für Bahnanlagen.The invention relates to a device for direct one coupling of a main light source, preferably halo gene or xenon lamp, emitted light into a fiber optic table light guide bundle, the individual light guide to a display device, especially Ver traffic signs in road traffic or for railway systems.
Aus der EP 0 459 090 A1 ist eine Vorrichtung zur weitest gehend selbständigen Erhaltung der Kontinuität des Be triebszustandes von Lichtsignal- o. ä. Beleuchtungsanlagen auch bei Ausfall der gerade in Betrieb befindlichen Lampe bekannt, wobei die einzelnen Leuchtkörper entweder einen Reflektor mit in dessen Brennpunkt liegender elektrischer Lampe und zugeordneter Streuscheibe aufweisen oder aber einzelne Lichtleiter bzw. Lichtleiterbündel von der jewei ligen Lichtquelle zur Signalstelle führen. Eine Bestückung jedes Leuchtkörpers mit einer Mehrzahl von Lampen gleicher und/oder unterschiedlicher Leistung und eine Zuordnung eines bei Lampenausfall umgehend selbständig wirksam wer denden Mechanismus zum Aktivieren einer der in diesem Leuchtkörper gespeicherten unverbrauchten Lampe ist vor handen. Weiterhin ist für die Lichtleiteranordnung ein mit einem Umlenkspiegel versehener Umschaltmechanismus zur Einkopplung des Lichtstrahls jeweils einer der un verbrauchten Lichtquellen in den Lichtleiter vorgesehen. Nachteiligerweise führt die Bestückung jedes Leuchtkör pers mit einer Mehrzahl von Lampen zu einer sehr aufwen digen und mit verhältnismäßig hohen Kosten belasteten An ordnung.From EP 0 459 090 A1 a device for the broadest going independently maintaining the continuity of the Be driving state of light signal or similar lighting systems even if the lamp currently in operation fails known, the individual filament either one Reflector with an electric in its focal point Have lamp and assigned lens or or individual light guides or bundles of light guides from each lead light source to the signal point. An assembly each filament with a plurality of lamps the same and / or different performance and an assignment one immediately effective in the event of lamp failure the mechanism for activating one of these Filament stored unused lamp is in front act. Furthermore, one is for the light guide arrangement switching mechanism provided with a deflecting mirror to couple the light beam one of the un used light sources provided in the light guide. The disadvantage is that each lamp is equipped pers with a plurality of lamps to a very expensive other and burdened with relatively high costs order.
Der Erfindung liegt die Aufgabe zugrunde, eine Vorrich tung der eingangs genannten Art zu schaffen, bei der bei Ausfall der Hauptlichtquelle eine sofortige Fortführung des Betriebes mit technisch verhältnismäßig unaufwendigen Hilfsmitteln sichergestellt ist.The invention has for its object a Vorrich tion of the type mentioned at the outset Failure of the main light source an immediate continuation operation with technically relatively inexpensive Aids is ensured.
Die Aufgabe wird erfindungsgemäß dadurch gelöst, daß eine bei Ausfall der Hauptlichtquelle einschaltbare Nebenlicht quelle vorgesehen ist, deren Ausgangslichtbündel mittels eines Umlenkspiegels in das Lichtleiterbündel einkoppelbar ist.The object is achieved in that a if the main light source fails, the secondary light can be switched on Source is provided, the output light beam by means of of a deflecting mirror can be coupled into the light guide bundle is.
Ein Vorteil der Erfindung liegt darin, daß sich der Umlenk spiegel nur bei Betrieb der Nebenlichtquelle im Strahlengang des auf die Lichtleiter des faseroptischen Lichtleiterbün dels auftreffenden Lichtbündels befindet, so daß bei Betrieb der Hauptlichtquelle das von dieser Quelle ausgesandte Lichtbündel direkt in das faseroptische Lichtleiterbündel eingekoppelt wird. Hierbei kann die Einkopplung vorteilhaf terweise in weniger als 20 m sec erfolgen.An advantage of the invention is that the deflection mirror only when operating the secondary light source in the beam path of the on the light guide of the fiber optic light guide dels incident light beam is located, so that during operation the main light source is the one emitted by this source Beams of light directly into the fiber optic fiber bundle is coupled. The coupling can be advantageous in less than 20 m sec.
Ausgestaltungen der Erfindung sind in der Unteransprüchen 2 bis 6 beschrieben.Embodiments of the invention are in the subclaims 2 to 6 described.
In der Zeichnung ist ein Ausführungsbeispiel nach der Er findung dargestellt. In the drawing is an embodiment according to the Er shown.
Zur Einkopplung eines von einer Hauptlichtquelle 1, bei spielsweise einer Halogen- oder Xenonlampe in ein faser optisches Lichtleiterbündel 2, dessen einzelne Lichtleiter zu einer zeichnerisch nicht dargestellten Anzeigeeinrich tung zur Anzeige von vorzugsweise alphanumerischen Zeichen geführt sind, sind die Hauptlichtquelle 1 und das Lichtlei terbündel 2 an zwei gegenüberliegenden lichtdurchlässigen Außenflächen, d. h. beispielsweise mit Öffnungen versehenen Außenflächen eines quaderförmigen Hohlkörpers 3 derart me chanisch befestigt, daß ihre optischen Achsen fluchten. An einer weiteren lichtdurchlässigen Außenfläche des Hohlkör pers 3 ist eine Nebenlichtquelle 4 beispielsweise in einem Winkel von 90° zur Hauptlichtquelle 1 und zum faseroptischen Lichtleiterbündel 2 befestigt. Innerhalb des Hohlkörpers 3 ist ein Umlenkspiegel 5 mittels eines Drehgelenkes 6 ange ordnet, welches zusammen mit einem Auslösemagneten 7 einen Klappmechanismus bildet. Beim Betrieb der Hauptlichtquelle 1 befindet sich der Umlenkspiegel 5 im eingeklappten Zustand vor der Nebenlichtquelle 4 (voll ausgezeichneter Spiegel), so daß das Ausgangslichtbündel der Hauptlichtquelle 1 di rekt auf die Lichteinfallseite des Lichtleiterbündels 2 fällt. Fällt die Hauptlichtquelle 1 aufgrund eines Defektes aus, so wird die Nebenlichtquelle 4 automatisch eingeschal tet und gleichzeitig der Auslösemagnet 7 betätigt. Der Um lenkspiegel 5 klappt dann aus seiner Ruhestellung von der Nebenlichtquelle 4 in seine Ausklappstellung, (gestrichelt gezeichneter Spiegel 5a), die durch einen den Umlenkspiegel 5 positionierenden mechanischen Anschlag 8 bestimmt ist und die unter einem Winkel von 45° zur Nebenlichtquelle 4 und zum faseroptischen Lichtleiterbündel 2 verläuft. Somit wird bei Ausfall der Hauptlichtquelle 1 das faseroptische Licht leiterbündel 2 über den Umlenkspiegel 5 von der Nebenlicht quelle 4 beleuchtet. Nach Beseitigung des Defektes der Haupt lichtquelle 1, beispielsweise nach Auswechselung derselben, wird die Nebenlichtquelle 4 abgeschaltet und der Umlenkspie gel 5 in seine vor der Nebenlichtquelle 4 befindliche Ruhe stellung zurückgeklappt, so daß wieder eine direkte Beleuch tung des faseroptischen Lichtleiterbündels 2 durch die Hauptlichtquelle 1 erfolgen kann. Hierbei kann die Rück stellung manuell oder automatisch durchgeführt werden.To couple one of a main light source 1 , for example a halogen or xenon lamp into a fiber-optic light guide bundle 2 , the individual light guides of which are guided to a display device (not shown in the drawing) for displaying preferably alphanumeric characters, the main light source 1 and the light guide bundle 2 on two opposite translucent outer surfaces, that is, for example, provided with openings on the outer surfaces of a cuboid hollow body 3 so mechanically attached that their optical axes are aligned. On a further translucent outer surface of the Hohlkör pers 3 , a secondary light source 4 is attached, for example, at an angle of 90 ° to the main light source 1 and to the fiber optic light guide bundle 2 . Within the hollow body 3 , a deflecting mirror 5 is arranged by means of a rotary joint 6 , which together with a trigger magnet 7 forms a folding mechanism. When the main light source 1 is in operation, the deflecting mirror 5 is in the folded state in front of the secondary light source 4 (fully awarded mirror), so that the output light beam from the main light source 1 falls directly onto the light incidence side of the light guide bundle 2 . If the main light source 1 fails due to a defect, the secondary light source 4 is automatically switched on and the trigger magnet 7 is actuated at the same time. The steering mirror 5 then folds out of its rest position from the secondary light source 4 into its extended position (dashed mirror 5 a), which is determined by a mechanical stop 8 that positions the deflecting mirror 5 and which is at an angle of 45 ° to the secondary light source 4 and fiber optic light guide bundle 2 runs. Thus, if the main light source 1 fails, the fiber optic light conductor bundle 2 is illuminated by the secondary light source 4 via the deflecting mirror 5 . After eliminating the defect of the main light source 1 , for example after replacing the same, the secondary light source 4 is switched off and the deflecting gel 5 is folded back into its resting position in front of the secondary light source 4 , so that again a direct illumination of the fiber optic light guide bundle 2 by the main light source 1 can be done. The reset can be carried out manually or automatically.
BezugszeichenlisteReference list
1 Hauptlichtquelle
2 faseroptisches Lichtleiterbündel
3 quaderförmiger Hohlkörper
4 Nebenlichtquelle
5 Umlenkspiegel
6 Gelenk - Klappmechanismus
7 Auslösemagnet - Klappmechanismus
8 mechanischer Anschlag 1 main light source
2 fiber optic light bundles
3 cuboid hollow bodies
4 secondary light source
5 deflecting mirror
6 folding mechanism
7 Release magnet - folding mechanism
8 mechanical stop
Claims (6)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4330503A DE4330503A1 (en) | 1993-09-09 | 1993-09-09 | Device for launching (coupling) the light emitted from a light source into an optical fibre bundle |
DE4406888A DE4406888A1 (en) | 1993-09-09 | 1994-03-03 | Coupler for directly coupling light from main source into fibre=optic waveguide bundle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4330503A DE4330503A1 (en) | 1993-09-09 | 1993-09-09 | Device for launching (coupling) the light emitted from a light source into an optical fibre bundle |
Publications (1)
Publication Number | Publication Date |
---|---|
DE4330503A1 true DE4330503A1 (en) | 1995-03-23 |
Family
ID=6497231
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE4330503A Withdrawn DE4330503A1 (en) | 1993-09-09 | 1993-09-09 | Device for launching (coupling) the light emitted from a light source into an optical fibre bundle |
DE4406888A Withdrawn DE4406888A1 (en) | 1993-09-09 | 1994-03-03 | Coupler for directly coupling light from main source into fibre=optic waveguide bundle |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE4406888A Withdrawn DE4406888A1 (en) | 1993-09-09 | 1994-03-03 | Coupler for directly coupling light from main source into fibre=optic waveguide bundle |
Country Status (1)
Country | Link |
---|---|
DE (2) | DE4330503A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2753260A1 (en) * | 1996-09-12 | 1998-03-13 | Schott Fibre Optics Uk Ltd | IMPROVEMENTS IN OR RELATING TO A LIGHTING MEANS |
GB2375814A (en) * | 2001-05-26 | 2002-11-27 | Enfis Ltd | Light emitting apparatus unit |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4061911A (en) * | 1976-04-14 | 1977-12-06 | Audio Visual Innovators Corporation | Automatically switched spare lamp for a light projector |
-
1993
- 1993-09-09 DE DE4330503A patent/DE4330503A1/en not_active Withdrawn
-
1994
- 1994-03-03 DE DE4406888A patent/DE4406888A1/en not_active Withdrawn
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4061911A (en) * | 1976-04-14 | 1977-12-06 | Audio Visual Innovators Corporation | Automatically switched spare lamp for a light projector |
Non-Patent Citations (1)
Title |
---|
DE-Firmenschrift: Ein Maximum an Sicherheit für ein Minimum an Folgekosten. Firma SCHOTT JENAer GLASWERK SCHOTTE & GEN, Wiesbaden, Druck-Nr.7045d VI/79 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2753260A1 (en) * | 1996-09-12 | 1998-03-13 | Schott Fibre Optics Uk Ltd | IMPROVEMENTS IN OR RELATING TO A LIGHTING MEANS |
GB2375814A (en) * | 2001-05-26 | 2002-11-27 | Enfis Ltd | Light emitting apparatus unit |
Also Published As
Publication number | Publication date |
---|---|
DE4406888A1 (en) | 1995-09-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OP8 | Request for examination as to paragraph 44 patent law | ||
8127 | New person/name/address of the applicant |
Owner name: DAIMLER-BENZ AEROSPACE AKTIENGESELLSCHAFT, 80804 M |
|
AG | Has addition no. |
Ref country code: DE Ref document number: 4406888 Format of ref document f/p: P |
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8130 | Withdrawal |