EP3045802B1 - Signalisierungsbake mit einem deflektor - Google Patents

Signalisierungsbake mit einem deflektor Download PDF

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Publication number
EP3045802B1
EP3045802B1 EP15197522.4A EP15197522A EP3045802B1 EP 3045802 B1 EP3045802 B1 EP 3045802B1 EP 15197522 A EP15197522 A EP 15197522A EP 3045802 B1 EP3045802 B1 EP 3045802B1
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EP
European Patent Office
Prior art keywords
light
deflector
cylindrical lens
angular sector
trapezium
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EP15197522.4A
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English (en)
French (fr)
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EP3045802A1 (de
Inventor
Xavier Beaumont
Heinrick Burgaud
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OBSTA
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OBSTA
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00—Refractors for light sources
    • F21V5/04—Refractors for light sources of lens shape
    • F21V5/043—Refractors for light sources of lens shape the lens having cylindrical faces, e.g. rod lenses, toric lenses
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
    • F21V11/16—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using sheets without apertures, e.g. fixed
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
    • F21V13/02—Combinations of only two kinds of elements
    • F21V13/04—Combinations of only two kinds of elements the elements being reflectors and refractors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/0008—Reflectors for light sources providing for indirect lighting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design
    • F21V7/05—Optical design plane
    • 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
    • F21W2111/00—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00
    • 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
    • F21W2111/00—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00
    • F21W2111/06—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00 for aircraft runways or the like
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
    • F21Y2103/10—Elongate light sources, e.g. fluorescent tubes comprising a linear array of point-like light-generating elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Definitions

  • the invention relates to the field of signaling devices, in particular for the aerial signaling of high-voltage lines, airport buildings, factory chimneys, cranes, wind turbines and pylons.
  • Signaling devices for aircraft are used on cables and / or obstacles in elevation.
  • Such signaling devices may in particular comprise cylindrical lenses in order to emit light that is focused in a predefined direction, as illustrated by FIG. US-5130761-A or FR-A-2895779 .
  • the luminous intensity emitted by the projector outside the main sheet can be reduced.
  • the luminous intensity at -10 ° of elevation angle is made less than 3% of the luminous intensity emitted at the 0 ° elevation angle, which corresponds for example to the horizontal.
  • such a light projector may include one or more of the following features.
  • the guide curve of the lens can have many shapes, for example circular, elliptical, polygonal or other.
  • the guide curve has a substantially trapezoidal overall shape, the small base of the trapezium being oriented towards the light source and the large base of the trapezium being oriented in the direction of the light sheet, the steering curve having a recess defining a groove parallel to the generator on the small base of the trapezium, the bottom wall of the groove being a convex surface, the other two sides of the trapezium defining two inclined convex outer surfaces of the cylindrical lens, the two outer surfaces being able to reflect the light rays so as to fold the light rays in the angular sector of the main light sheet site.
  • the large base of the trapezium is about 56 mm, the small base of 20 mm and the length of the cylindrical lens of about 200 mm.
  • the cylindrical lens has a horizontal plane of symmetry.
  • the linear source is included in the horizontal plane of symmetry.
  • the angular sector of the site is defined as the angular sector in which the luminous intensity is greater than 50% of the luminous intensity in the center of the luminous sheet
  • the azimuth angular sector is defined as the angular sector. in which the luminous intensity is greater than 50% in the center of the luminous sheet
  • the width of the angular sector of site is less than 10 °, preferably less than 3 °.
  • the energy consumed by the beacon is optimized.
  • the deflector is a metal blade.
  • the deflector can have any size adapted to its purpose. According to a preferred embodiment, the length of the deflector is substantially equal to the length of the lens. Preferably, the deflector must cover all the solid angle in which there is a stray light.
  • the deflector may also consist of several plates.
  • the ratio between the length of the deflector and the width of the deflector is about 2 to 20.
  • the ratio between the length of the deflector and the thickness of the deflector is about 100 to 1000. Thanks to these characteristics, the total mechanical bulk of the beacon is limited while allowing to overcome the parasitic light rays.
  • the positioning of the deflector with respect to the lens can be chosen according to the specific properties of the emitted light, for example by means of experimental measurements.
  • the deflector is distant from a horizontal plane containing the light source, with a distance of less than 25% from the largest vertical dimension of the cylindrical lens.
  • the invention also comprises a light beacon comprising a support and a plurality of the aforementioned luminous projectors fixed on the support, the projectors being oriented in distinct directions around a vertical axis so that the azimuth angular sectors of the projectors cover 360 ° around the vertical axis.
  • Some aspects of the invention start from the idea of obstructing the light beams directed in the directions below -10 ° of elevation angle with respect to the central direction of the main light ply without obstructing the light ply around the central site angle.
  • the light beams directed in the directions less than -10 ° of elevation angle may in particular be derived from parasitic reflections in the cylindrical lens.
  • a signaling beacon 1 mounted on a pole 2 of vertical axis z planted in the ground 4 is shown.
  • the beacon 1 emits a light layer 3 all around the vertical axis, which corresponds to an azimuthal angular sector ⁇ of 360 °.
  • the light sheet 3 is represented by dashes.
  • the light sheet 3 is concentrated in an angular sector of angle of elevation site s centered on a central direction, which is for example a horizontal plane 5 or slightly inclined relative to the horizontal.
  • the light sheet 3 has for example a light intensity of 20,000 cd in white color and 2000 cd in red color. The light intensity and color can be adjusted according to the daytime or nighttime period.
  • This beacon 1 allows in particular an aerial signaling intended for aircraft.
  • the signaling beacon 1 is shown in more detail.
  • a tag has six projectors 6 each having a linear light source.
  • the linear light source is a strip of light diodes 16 and a cylindrical optic 7.
  • the projectors 6 are arranged in a plane perpendicular to the axis z, so that the diode strips 16 form a regular polygon and emit light to the outside of the regular polygon.
  • Each projector 6 emits an elementary luminous sheet in a defined azimuth angular sector.
  • the beacon emits a 360 ° directional luminous sheet corresponding to the addition of the elementary luminous layers of each projector 6 of the beacon 1.
  • the minimum azimuth angular sector of each of the six projectors 6 is 360 ° divided by the number 6.
  • the beacon comprises six projectors 6, so the minimum azimuthal angular sector is 60 °, that is to say 360 ° / 6.
  • the beacon 1 has a space requirement of about 50 cm.
  • the assembly formed by the diode bar 16 and the cylindrical lens 7 is protected, for each projector, by an opaque metal module 8 open in the direction of light emission. The opening of the module can be covered with a window that does not deflect the light, to protect the cylindrical lens from dust.
  • a cylindrical lens 7 of projector 6 is shown.
  • the cylindrical lens 7 has a length L.
  • the cylindrical shape is defined by a horizontal generatrix direction 9 and a guide curve 10.
  • the cylindrical lens 7 has two end faces 20 perpendicular to the generatrix 9 of the cylinder.
  • the cylindrical lens 7 is mainly made of polycarbonate. In this illustrative example, the cylindrical lens 7 is about 200mm.
  • the guide curve 10 has a global shape that is substantially that of a trapezium.
  • the large base 22 of the trapezoid is about 56mm and the small base 21 of the trapezium is about 25mm.
  • the sides 11 of the trapezoid define two inclined convex outer surfaces 12 of the cylindrical lens.
  • the shape of the guide curve 10 will be explained later in more detail with reference to the Figure 6 .
  • the cylindrical lens 7 has orifices 13 on a support 19.
  • the orifices 13 are intended to receive fixing means fixing the cylindrical lens 7 and a bar of diodes 16 such as that shown in FIG. Figure 4 .
  • the diode bar 16 has diodes 14, 15 aligned linearly on a plate 17 so as to constitute a source linear luminous.
  • the diodes of the strip 16 are red diodes 14 spaced successively from each other by four respective white diodes.
  • the bar 16 also has orifices 18 in order to be fixed on the support 19 of the cylindrical lens illustrated on FIG. Figure 3 in superposition of the orifices 13 present on the support 19.
  • the Figure 5 represents a diagram of the assembly of the cylindrical lens 7 shown in FIG. Figure 3 and the diode array 16 shown on the Figure 4 .
  • the diode array 16 is fixed on the cylindrical lens 7 so that the surface of the cylindrical lens 7 defined by the small base 21 of the trapezium is opposite the face of the diode array 16 which emits light. light.
  • the following figures show in more detail the structure of a projector 6 in operation, the projector 6 comprising the cylindrical lens 7 as represented on FIG. Figure 3 and the diode array 16 as shown in FIG. Figure 4 .
  • the projector 6 is in operation when the diodes 14, 15 of the diode array 16 emit light.
  • the Figure 6 is a section along the plane VI-VI of the assembly represented on the Figure 5 , on which are represented the trajectories of the light beams from the diode 15 through the cylindrical optics.
  • the small base 21 of the trapezium is oriented towards the diode 15.
  • the large base 22 of the trapezium is oriented in the direction of the light sheet.
  • the guide curve 10 has a recess 23 on the small base 21 of the trapezium. This recess defines a groove parallel to the generatrix 9 on the cylindrical lens 7.
  • the bottom wall of the groove is a convex surface 24 in order to converge the rays coming from the diode array 16 in the form of the elementary luminous sheet.
  • the rays 26 coming from the diode 15 in an angular sector of a site centered approximately on the direction perpendicular to the bar 16 are thus coupled to the convex interface 24 and concentrated by a second convex interface 25 located on the large base 22 of the trapezium, after having propagated in the cylindrical lens substantially perpendicularly to the generator 9.
  • the light rays 27 from the diode 15 in the plane VI-VI and in the 45 ° direction of the perpendicular to the bar 16 are coupled by the side edges of the recess 23 and folded towards the sides 11 of the trapezium.
  • the surfaces of the two sides 11 reflect the light rays due to the incidence of light rays on these surfaces.
  • the reflected rays are thus folded in the direction approximately perpendicular to the bar 16, so that they emerge from the lens 7 by the large base 22 of the trapezium, passing through a non-convex interface, in an angular sector of site centered about the direction perpendicular to the bar 16.
  • the light rays 26 and 27 emerge from the cylindrical lens 7 in a predefined angular sector of site, centered substantially on the direction perpendicular to the bar 16. These rays 26 and 27 define a web elementary luminous. In other words, the cylindrical lens 7 has a collimating function.
  • the deflector 28 has a thickness that is fine with respect to the dimensions of the lens 7 so that the useful light rays are not interrupted, for example by 0.5 mm, a length substantially equal to that of the cylindrical lens, ie 200 mm, and a width of 20mm.
  • the longitudinal sides 39 of the deflector are parallel to the generator.
  • the transverse sides 38 of the deflector are oriented around the generatrix direction in the direction of transmission of the light rays 26 at the outlet of the cylindrical lens 7.
  • the deflector 28 does not interrupt the light rays 26 and 27 because it is parallel to the direction perpendicular to the bar 16, and therefore to the main direction of the elementary light sheet coming from the projector 6.
  • the guide curve has an axis of symmetry 100 perpendicular to the bar 16, so that the cylindrical lens 7 has a first plane of symmetry 1000 generated by two generators. That is to say that the guide curve 10 has substantially an isosceles trapezoid shape.
  • the cylindrical lens 7 also has a second plane of symmetry, which is the sectional plane IV-IV, cutting the cylindrical lens at half length L / 2. Indeed, the two end faces 20 are perpendicular to the generatrix of the cylinder.
  • the Figure 7 represents a section along plane VI-VI of cylindrical optics identical to Figure 4 .
  • a stray light is defined by the light outside the predefined angular sector of the elementary light-film whose luminous intensity is greater than 3% of the maximum light intensity in the predefined angular sector of the site.
  • the deflector 28 is opaque: the light rays 31 which meet it do not pass through it. They are artificially represented on the figure 7 to understand the origin of parasitic light intensity which is overcome by placing the deflector 28 on the cylindrical lens 7.
  • the deflector 28 consists of a reflective metal plate to reflect the light rays 31 upwards (not shown).
  • the advantage of a deflector which reflects the parasitic light rays 31 is to limit the absorption of the light energy parasitic rays, and therefore the heating of the deflector 28. The effects of the presence of the deflector 28 will now be illustrated.
  • This projector 6 comprises a cylindrical lens 7 and a bar of diodes 16 as illustrated in the examples with reference to FIGS. Figures 3 and 4 .
  • the horizontal axis is graduated in steps of 20 °.
  • This deflector 28 is located 3mm from the axis of symmetry 100.
  • the luminous intensity I has been represented without unit, so as to show the relative variations of intensity between the projector 6 provided with the deflector 28, ie the intensity represented by the curve 30, and the projector 6 without the deflector 28, ie the intensity represented by the curve 29.
  • the two intensity peaks 32 and 33 are respectively centered on -35 ° and 35 °.
  • the iso intensity curves of the light coming from the projector 6 not provided with the deflector 28 are represented on a screen 35.
  • a position on the screen 35 is identified by the azimuth angle ⁇ and in the direction vertically, a position on the screen is identified by the elevation angle s.
  • Curve 29 of the Figure 8 is a representation of the light intensity along line 40 of the Figure 9 .
  • the iso intensity curves of the light from the projector 6 provided with a deflector 28 are shown.
  • Curve 30 of the Figure 8 is a representation of the light intensity along line 41 of the Figure 10 .
  • Parasitic light is also emitted outside this predefined angular sector of the site, for positive elevation angles greater than 10 °, as shown by the curve 36 in dashed lines. No parasitic light is to be deplored for negative elevation angles of less than 10 °.
  • the deflector. 28 positioned above the axis of symmetry 100 makes it possible to eliminate the parasitic rays 31 causes of the luminous intensity of the stray light represented by the curve 37. The position of the deflectors represented on the Figure 7 is not imperative.
  • the relative position of the deflector 28 with respect to the central plane of the elementary luminous sheet can be determined by means of experimental luminance measurements for angles of elevation less than and equal to -10 °, by placing the deflector in different positions.
  • the deflector 28 is always positioned below the maximum of the side 11.
  • the deflector 28 which is positioned above the axis of symmetry 100 as previously explained, is placed below the maximum of the upper convex outer surface 12 of the cylindrical lens 7.
  • the deflector 28 is also placed above the second convex interface 25.
  • the deflector 28 is placed about 2/3 of the height of the first convex interface 22 from the top, as shown.
  • the deflector 28 is oriented so that the metal plate constituting it is substantially parallel to the direction of the light rays of the center of the elementary light sheet, so as not to obstruct the substantially horizontal useful light rays, but only parasitic light rays oriented in a negative site angle.
  • the deflector may, however, be slightly inclined with respect to the central direction of the ply, preferably at an angle less than the angular aperture of the main ply containing 50% of the intensity.
  • the tags described above can be made with many types of light sources, including LEDs, tubes, fluorescents, discharge lamps and others.
  • the light can be of different colors, with or without blinking, depending on the desired illumination characteristics.
  • the linear light source is not exactly centered on the plane of symmetry 1000.
  • the principal direction of the elementary luminous sheet is not exactly horizontal.
  • the lens does not have a first plane of symmetry. In another embodiment, the lens has no second plane of symmetry.
  • the linear light source is preferably placed on a line of focus of the cylindrical lens.
  • the line of focus is defined by a line on which light rays from infinity converge after passing through the cylindrical lens in the direction of propagation contrary to that previously described for the emission of light from the projectors.
  • the cylindrical lens can be manufactured in many materials, for example glass, polycarbonate, transparent flexible resin, for example flexible resin comprising polyurethane compounds, for example a series resin VT3402.
  • Beacon 1 of the Figure 1 can be performed with any number of projectors greater than 2.
  • the projectors can be stacked vertically, so that the principal directions of the azimuthal angular sectors of the emitted light layers are shifted from one another to the other. an angle sufficient so that the assembly formed by the light plies emitted by each of the lights of the beacon is emitted in an azimuth angle ⁇ total of 360 °.
  • the cylindrical lens can have different shapes.
  • the guide curve is substantially quadrilateral in shape.
  • the steering curve is elliptical.
  • the steering curve is a circle.
  • the cylindrical lens consists of an assembly of cylindrical lenses coupled together.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Claims (9)

  1. Lichtprojektor (6) dazu bestimmt, einen gerichteten Lichtstrahl (3) zur Anzeige eines erhöhten Hindernisses zu erzeugen, wobei der Projektor umfasst:
    eine längliche, zylindrische Linse (7), deren zylindrische Form durch eine horizontale Mantelerstreckung (9) und eine gekrümmte Umfangslinie (10) definiert wird, wobei die zylindrische Linse (7) eine horizontale Symmetrieebene (100, 1000) aufweist,
    eine lineare Lichtquelle (14, 15) parallel zur Mantelerstreckung (9) und sich auf der ganzen oder einem Teil der Länge (L) der zylindrischen Linse erstreckend, um einen Lichtstrom in Richtung der zylindrischen Linse (7) auszustrahlen,
    wobei die zylindrische Linse (7) dazu geeignet ist, einen Hauptlichtstrahl (26,27) zu erzeugen, indem sie den Lichtstrom in einem Winkelabschnitt eines vorgegebenen Bereiches um die horizontale Mantelerstreckung in Richtung des Bereiches, der im Verhältnis zur Lichtquelle gegenüber der zylindrischen Linse liegt, bündelt, und dazu geeignet ist, einen Lichtstrom in einen, um die vertikale Richtung vorgegebenen azimutalen Winkelabschnitt zu projizieren,
    dadurch gekennzeichnet, dass der Projektor ausserdem umfasst einen Deflektor (28), umfassend einen Metallstreifen angeordnet in dem im Verhältnis zur zylindrischen Linse gegenüber der Lichtquelle (15) liegenden Bereich, wobei der Deflektor die Form einer rechteckigen Platte aufweist, wobei die Längsseiten des Deflektors parallel zur Mantelerstreckung (9) liegen, wobei die transversalen Seiten des Deflektors um die Mantelerstreckung ausgerichtet sind entsprechend einem Zielhöhenwinkel (s), welcher innerhalb desvorgewählten Zielhöhenwinkelbreiches (s) des Hauptlichtstrahls (26, 27) liegt, der Deflektor unter anderem angeordnet ist oberhalb der horizontalen Symmetrieebene der zylindrischen Linse und unterhalb der Oberfläche der zylindrischen Linse, so dass die Lichtstrahlen (31) der Lichtquelle (15) unterbrochen werden und außerhalb des Zielhöhenwinkelbereiches (s) des Hauptlichtstrahles (26,27) ausgerichtet sind.
  2. Lichtprojektor gemäß Anspruch 1, wobei die gekrümmte Umfangslinie (10) eine im Wesentlichen trapezförmige Gesamtform aufweist, wobei die kürzere Grundseite (21) des Trapezes zur Lichtquelle (14,15) hin gerichtet ist und die längere Grundseite (22) des Trapezes in Richtung des Lichtstrahls (26, 27) ausgerichtet ist,
    die gekrümmt Umfangslinie (10) eine Abweichung (23) aufweist, welche eine Aussparung parallel zur Mantelerstreckung (9) auf der kürzeren Grundseite (21) des Trapezes bildet, wobei die Bodenwand der Aussparung eine konvexe Oberfläche (24) ist,
    die beiden anderen Seiten (11) des Trapezes zwei äußere, geneigte konvexe Flächen (12) der zylindrischen Linse (7) bilden , wobei die beiden äußeren Flächen dazu geeignet sind, die Lichtstrahlen zu reflektieren, indem die Lichtstrahlen (27) in den Zielhöhenwinkelbereich des Hauptlichtstrahles (26,27) umgeleitet werden.
  3. Lichtprojektor gemäß Anspruch 2, wobei die längerer Grundseite (22) des Trapezes ungefähr 56 mm, die kürzere Grundseite (21) 20 mm und die Länge (1) der zylindrischen Linse (7) ungefähr 200 mm beträgt.
  4. Lichtprojektor gemäß Anspruch 3, wobei die lineare Quelle (14, 15) in der horizontalen Symmetrieebene angeordnet ist.
  5. Lichtprojektor gemäß einem der Ansprüche 1 bis 4, wobei der Zielhöhenwinkelbereich (s) definiert ist als der Winkelbereich, in dem die Lichtintensität 50% höher als die Lichtintensität im Mittelpunkt des Lichtstrahls (26,27) ist, und wobei der azimutale Winkelbereich (Φ) definiert ist als der Winkelbereich, in dem die Lichtintensität mehr als 50% im Mittelpunkt des Lichtstrahls beträgt, wobei der Zielhöhenwinkelbereich niedriger als 10°, vorzugsweise niedriger als 3°, ist.
  6. Lichtprojektor gemäß einem der Ansprüche 1 bis 5, wobei das Verhältnis zwischen der Länge des Deflektors (28) und der Breite des Deflektors (39) ungefähr 2 bis 20 beträgt und das Verhältnis zwischen der Länge des Deflektors und der Dicke des Deflektors (38) ungefähr 100 bis 1000 ist.
  7. Lichtprojektor gemäß einem der Ansprüche 1 bis 6, wobei der Deflektor (28) von einer horizontalen Ebene (100,1000), welche die Lichtquelle enthält, mit einem Abstand von weniger als 25% des größten vertikalen Erstreckung der zylindrischen Linse beabstandet ist.
  8. Lichtprojektor gemäß einem der Ansprüche 1 bis 7, wobei die Länge des Deflektors (28) im Wesentlichen gleich der Länge der Linse ist.
  9. Lichtbake (1) umfassend einen Träger und mehrere, auf dem Träger angebrachte Projektoren (6) gemäß einem der Ansprüche 1 bis 8, wobei die Projektoren in verschiedene Richtungen (Φ) um eine vertikale Achse (z) ausgerichtet sind, so dass die azimutalen Winkelbereiche (Φ) der Projektoren 360° um die vertikale Achse (z) abdecken.
EP15197522.4A 2014-12-03 2015-12-02 Signalisierungsbake mit einem deflektor Active EP3045802B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1461874A FR3029600A1 (fr) 2014-12-03 2014-12-03 Balise de signalisation a deflecteur

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Publication Number Publication Date
EP3045802A1 EP3045802A1 (de) 2016-07-20
EP3045802B1 true EP3045802B1 (de) 2018-01-31

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EP (1) EP3045802B1 (de)
FR (1) FR3029600A1 (de)

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FR3061542B1 (fr) * 2017-01-02 2020-10-23 Valeo Vision Dispositif d'eclairage et/ou de signalisation lineaire pour vehicule automobile
US10578271B1 (en) * 2019-04-17 2020-03-03 Excellence Optoelectronics Inc. Vehicle LED linear lighting module
US11092313B2 (en) * 2019-09-03 2021-08-17 Ideal Industries Lighting Llc Luminaires and components thereof
FR3125863B1 (fr) 2021-07-30 2026-02-06 Obsta Balise de signalisation à réflecteurs

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US20160161091A1 (en) 2016-06-09
FR3029600A1 (fr) 2016-06-10
EP3045802A1 (de) 2016-07-20
US9726350B2 (en) 2017-08-08

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