EP0915451A2 - Verkehrstechnische Signalisierungseinrichtung für selbstleuchtende Anzeigen - Google Patents
Verkehrstechnische Signalisierungseinrichtung für selbstleuchtende Anzeigen Download PDFInfo
- Publication number
- EP0915451A2 EP0915451A2 EP98118933A EP98118933A EP0915451A2 EP 0915451 A2 EP0915451 A2 EP 0915451A2 EP 98118933 A EP98118933 A EP 98118933A EP 98118933 A EP98118933 A EP 98118933A EP 0915451 A2 EP0915451 A2 EP 0915451A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- holding device
- light
- traffic signaling
- emitting diode
- opening
- 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
Images
Classifications
-
- 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
- G09F9/33—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 semiconductor devices, e.g. diodes
-
- 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
Definitions
- the invention relates to a traffic signaling device for self-illuminating displays according to the Preamble of claim 1.
- Incandescent or halogen lamps are used for traffic signaling devices with self-illuminating displays.
- EP 0 467 034 there is, for example, a display device known for a variable message sign in which any advertisement, those from at least one non-changeable part of the ad and any display part that can be selected are shown.
- the display part is by means of a processor-controlled matrix field display elements, each display element carried out by an illuminated optical fiber is.
- the illuminated optical fibers are replaced by halogen lamps illuminated. This method is disadvantageous on the one hand the short lifespan of halogen lamps and on the other others their high energy consumption.
- a signal lamp is known from EP 0 694 894, at least is partially provided with LEDs that inside the signal lamp from a first to at least a second Beam direction are tiltable and stored by adjusting discs can be positioned in groups.
- the intended Holding device is, however, quite complicated and not suitable for easy assembly.
- a preferred embodiment results from claim 3 by a toothing on the holding device, which also a particularly simple assembly of the holding device guaranteed.
- a further improvement in the thermal conductivity of the holding device is achieved in that according to claim 4 the LED through a curable thermal paste in the Holding device is attached.
- a particularly inexpensive embodiment results from a optical imaging device from a transparent Plastic such as polymethacrylate (PMMA, trade name Plexiglas) or polycarbonate (PC, trade name Makrolon) according to claim 6.
- a transparent Plastic such as polymethacrylate (PMMA, trade name Plexiglas) or polycarbonate (PC, trade name Makrolon) according to claim 6.
- the holding device and the Front panel are made of metallic materials.
- FIG. 1 shows a section of a front panel 1 (for example made of aluminum) of a signaling device, for example a variable message sign or one Light signal system shown, through a hole 2 in the front panel 1, a light emitting diode 3 emits its light.
- the LED 3 is in a tubular according to the invention Holding device 4 attached so that between the side walls of the light emitting diode 3 and the holding device 4 good heat dissipation contact is ensured.
- the Holding device 4 can for example be made of a metallic Material or from a plastic with good thermal conductivity be made.
- the LED 3 is there attached in the holding device 4 so that the Light emitting diode 3 emits light through a first opening (Light exit opening 5) of the holding device 4 through the Front panel 1 is emitted and the LED 3 through a second opening of the holding device 4 (Contact opening 6) is contacted.
- the cathode connection 7 and the anode terminal 8 of the light emitting diode 3 are there connected to a control unit 11 via cable connections 10, which according to the ads to be displayed the LEDs 3 switches on and off.
- the anode connection 8 and the cathode connection 7 are together with the cable connections 10 using a curable thermal paste 12 firmly connected, the thermal paste 12 is both a good Heat dissipation as well as a secure attachment of the LED 3 ensures in the holding device 4.
- the holding device 4 In the direction the light exit opening 5, the holding device 4 is outside provided with a thread 13, which in a corresponding Thread in the hole 2 of the front panel 1 is inserted. This makes it particularly easy to assemble, if necessary again detachable connection between the front panel 1 and the Holding device 4 achieved.
- an optical imaging device in the holding device 4 14 provided, with the help of the radiation characteristic adapts to the local conditions, so that the display is well recognized by all road users becomes.
- the optical imaging device 14 is there made of glass or an inexpensive transparent plastic manufactured such as polymethacrylate (PMMA, trade name Plexiglas) or polycarbonate (PC, trade name Makrolon).
- FIG. 8 is a conductive connection with the Holding device 4, which in this example made of metallic Material is made.
- the Holding device 4 Through a conductive connection between the holding device 4 and the likewise a metallic material existing front panel 1 leaves a particularly simple contacting of the light emitting diode 3 by using a cable connection 15 to the front panel 1 is placed from the control unit 11. This allows the wiring effort reduce by a factor of two.
- a connection (for example the ground connection) of all in the signaling device provided LEDs 3 is thus together via the front panel 1 and the holding device 4 connected to the control unit 11.
- the holding device 4 has a toothing 9, which is a particularly simple assembly guaranteed with the front panel.
- Figure 3 is shown schematically and simplified how a holding device 4 without an optical imaging device is arranged.
- Figure 4 shows an embodiment in which instead of Light-emitting diode 3 is a light-emitting diode 16 on a semiconductor chip is arranged in a holding device 4.
- a special one matched to the light emitting diode 16 on the semiconductor chip optical imaging device 17 is provided in the light exit opening 5 of the holding device 4 .
- the contacting is carried out as in the previous embodiments via the cathode connection 7 and the anode connection 8 and cable connections 10 to the control unit 11. Also in this embodiment it is possible to make a connection through an electrical Contact via the holding device 4 to the front panel 1 to perform a reduced number of cable connections to achieve.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
- Road Signs Or Road Markings (AREA)
- Traffic Control Systems (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Audible And Visible Signals (AREA)
Abstract
Description
Claims (8)
- Verkehrstechnische Signalierungseinrichtung für selbstleuchtende Anzeigen, mit Leuchtdioden (3,16), aus denen zumindest teilweise die selbstleuchtenden Anzeigen zusammengesetzt sind, mit einer Frontplatte (1) mit Bohrungen (2) und mit in den Bohrungen (2) befestigten rohrförmigen Haltevorrichtungen (4), in denen jeweils eine der Leuchtdioden (3,16) so angeordnet ist, daß von den Leuchtdioden (3,16) emittiertes Licht durch eine erste Öffnung (Lichtaustrittsöffnung (5)) der Haltevorrichtung (4) austritt und die Leuchtdiode (3,16) durch eine zweite Öffnung (Kontaktierungsöffnung (6)) der Haltevorrichtung (4) kontaktiert ist,
dadurch gekennzeichnet,daß die Leuchtdioden (3,16) mit einem Steuergerät (11) verbunden sind, welches die Leuchtdioden (3,16) ansteuert,daß die Haltevorrichtung (4) aus einem wärmeleitenden Material besteht,daß die Seitenflächen der jeweiligen Leuchtdiode (3,16) von der Haltevorrichtung (4) umschlossen sind unddaß die Haltevorrichtung (4) in den Bohrungen (2) der Frontplatte (1) in einer festen Position angeordnet ist. - Verkehrstechnische Signalisierungseinrichtung nach Anspruch 1,
dadurch gekennzeichnet,daß die Haltevorrichtung (4) und die Frontplatte (1) durch ein Gewinde (13) miteinander verbunden sind. - Verkehrstechnische Signalisierungseinrichtung nach Anspruch 1,
dadurch gekennzeichnet,daß die Haltevorrichtung (4) eine Verzahnung (9) zum Verbinden mit der Frontplatte (1) aufweist. - Verkehrstechnische Signalisierungseinrichtung nach einem der Ansprüche 1, 2 oder 3,
dadurch gekennzeichnet,daß die Leuchtdiode (3,16) im Bereich der Kontaktierungsöffnung (5) mit einer aushärtbaren Wärmeleitpaste (12) mit der Haltevorrichtung (4) verbunden ist. - Verkehrstechnische Signalisierungseinrichtung nach einem der Ansprüche 1 bis 4,
dadurch gekennzeichnet,daß eine optische Abbildungseinrichtung (14,17) in der Lichtaustrittsöffnung angeordnet ist. - Verkehrstechnische Signalisirungseinrichtung nach Anspruch 5,
dadurch gekennzeichnet,daß die optische Abbildungseinrichtung (14,17) aus einem transparenten Kunststoff gefertigt ist. - Verkehrstechnische Signalisierungseinrichtung nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet,daß die Haltevorrichtung (4) und die Frontplatte (1) aus metallischem Material hergestellt sind.
- Verkehrstechnische Signalisierungseinrichtung nach Anspruch 7,
dadurch gekennzeichnet,daß ein elektrischer Anschluß (7,8) der Leuchtdiode (3) mit der Haltevorrichtung (4) elektrisch leitend verbunden ist,daß die Haltevorrichtung (4) elektrisch leitend mit der Frontplatte (1) verbunden ist unddaß die Frontplatte (1) mit dem Steuergerät (11) durch leitend verbunden ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19749129 | 1997-11-06 | ||
DE19749129 | 1997-11-06 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0915451A2 true EP0915451A2 (de) | 1999-05-12 |
EP0915451A3 EP0915451A3 (de) | 2003-11-05 |
EP0915451B1 EP0915451B1 (de) | 2005-07-20 |
Family
ID=7847861
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98118933A Expired - Lifetime EP0915451B1 (de) | 1997-11-06 | 1998-10-07 | Verkehrstechnische Signalisierungseinrichtung für selbstleuchtende Anzeigen |
Country Status (4)
Country | Link |
---|---|
US (1) | US6144311A (de) |
EP (1) | EP0915451B1 (de) |
AT (1) | ATE300080T1 (de) |
DE (1) | DE59812938D1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10140427A1 (de) * | 2001-08-17 | 2003-03-06 | Dambach Werke Gmbh | Leuchtenanzeigevorrichtung für den Straßenverkehr |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080074861A1 (en) * | 2006-09-23 | 2008-03-27 | Hon Hai Precision Industry Co., Ltd. | Indicator device of a computer front panel |
US7764195B2 (en) * | 2008-04-09 | 2010-07-27 | Glover Benjamin A | Three-arrow LED traffic signal system |
WO2016018936A1 (en) | 2014-07-28 | 2016-02-04 | Econolite Group, Inc. | Self-configuring traffic signal controller |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4398240A (en) * | 1978-05-19 | 1983-08-09 | Savage John Jun | Lens cap holder for attachment to circuit boards |
US4851832A (en) * | 1986-10-06 | 1989-07-25 | Herbert Graf | Traffic control device for street vehicles |
DE19528459A1 (de) * | 1995-08-03 | 1997-02-13 | Garufo Gmbh | Leuchtaggregat |
US5640407A (en) * | 1995-04-28 | 1997-06-17 | Accu-Sort Systems, Inc. | Temperature regulating laser diode assembly |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3560967A (en) * | 1968-01-04 | 1971-02-02 | Robertshaw Controls Co | Lamp filter and lampholder assembly |
US3918053A (en) * | 1972-07-03 | 1975-11-04 | Dialight Corp | Digital display |
US3887803A (en) * | 1974-05-28 | 1975-06-03 | Savage John Jun | Light emitting diode device |
FR2551242B1 (fr) * | 1983-08-30 | 1986-01-17 | Griffon Gravure Sarl | Tableau informatif avec eclairage, notamment pour pupitre de commande et synoptique |
DE3480294D1 (en) * | 1984-11-15 | 1989-11-30 | Japan Traffic Manage Tech Ass | Signal light unit having heat dissipating function |
DE4022650C1 (de) * | 1990-07-17 | 1991-07-04 | Dambach-Werke Gmbh, 7560 Gaggenau, De | |
EP0694894B1 (de) * | 1994-07-22 | 1999-09-08 | Siemens Schweiz AG | Signalleuchte |
US5898381A (en) * | 1996-06-19 | 1999-04-27 | Traffic Technology, Inc. | LED traffic light and method of manufacture and use thereof |
US5785418A (en) * | 1996-06-27 | 1998-07-28 | Hochstein; Peter A. | Thermally protected LED array |
US5782555A (en) * | 1996-06-27 | 1998-07-21 | Hochstein; Peter A. | Heat dissipating L.E.D. traffic light |
US5909182A (en) * | 1996-12-02 | 1999-06-01 | Alstom Signaling Inc. | Vandal resistant light signal unit |
-
1998
- 1998-10-07 AT AT98118933T patent/ATE300080T1/de active
- 1998-10-07 DE DE59812938T patent/DE59812938D1/de not_active Expired - Lifetime
- 1998-10-07 EP EP98118933A patent/EP0915451B1/de not_active Expired - Lifetime
- 1998-11-06 US US09/187,148 patent/US6144311A/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4398240A (en) * | 1978-05-19 | 1983-08-09 | Savage John Jun | Lens cap holder for attachment to circuit boards |
US4851832A (en) * | 1986-10-06 | 1989-07-25 | Herbert Graf | Traffic control device for street vehicles |
US5640407A (en) * | 1995-04-28 | 1997-06-17 | Accu-Sort Systems, Inc. | Temperature regulating laser diode assembly |
DE19528459A1 (de) * | 1995-08-03 | 1997-02-13 | Garufo Gmbh | Leuchtaggregat |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10140427A1 (de) * | 2001-08-17 | 2003-03-06 | Dambach Werke Gmbh | Leuchtenanzeigevorrichtung für den Straßenverkehr |
DE10140427B4 (de) * | 2001-08-17 | 2004-11-11 | Dambach-Werke Gmbh | Leuchtenanzeigevorrichtung für den Straßenverkehr |
Also Published As
Publication number | Publication date |
---|---|
EP0915451B1 (de) | 2005-07-20 |
EP0915451A3 (de) | 2003-11-05 |
US6144311A (en) | 2000-11-07 |
DE59812938D1 (de) | 2005-08-25 |
ATE300080T1 (de) | 2005-08-15 |
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