EP3230651B1 - System for visual signalling - Google Patents

System for visual signalling Download PDF

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Publication number
EP3230651B1
EP3230651B1 EP15817991.1A EP15817991A EP3230651B1 EP 3230651 B1 EP3230651 B1 EP 3230651B1 EP 15817991 A EP15817991 A EP 15817991A EP 3230651 B1 EP3230651 B1 EP 3230651B1
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EP
European Patent Office
Prior art keywords
angular sector
light
lighting module
projectors
main
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EP15817991.1A
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German (de)
French (fr)
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EP3230651A1 (en
Inventor
Xavier Beaumont
Antoine GUICHARD
Heinrick Burgaud
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OBSTA
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OBSTA
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    • 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
    • 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, especially for the aerial signaling of high obstacles, including chimneys, for example factory chimneys.
  • Signaling devices for aircraft are used on fireplaces. 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. FR-A-2895779 . Another signaling device according to the state of the art is described by EP2565519A1 . Such signaling devices must be between 1.5 and 3 meters below the top of chimneys to avoid possible smoke disturbance or on triangular section pylons.
  • An idea underlying the invention is to provide a light signaling system positioned below the top of a chimney and emitting light covering the entire airspace.
  • An idea underlying the invention is to provide an effective light signaling system in terms of useful light emitted.
  • the invention provides a light signaling system comprising n lighting modules, for example three lighting modules, n being a positive integer greater than or equal to 2, in which, each lighting module comprises m projector (s), for example two headlamp (s), m being a positive integer greater than or equal to 1, said m headlamps being, when the number m is strictly greater than 1, fixed together, n and m being two integers whose product is equal to 6; each projector of the lighting module comprising: an elongated cylindrical lens whose cylindrical shape is defined by a horizontal generative direction, and a linear light source parallel to the generative direction, extending over all or part of the length of the cylindrical lens to emit a luminous flux towards the cylindrical lens, the cylindrical lens being able to generate a main light sheet by concentrating the luminous flux in a predefined angular sector of site around the horizontal generative direction towards the space situated on the opposite side of the cylindrical lens with respect to the light source, and being capable of projecting the main light layer into a predefined elementary azi
  • the azimuthal angular sector of the lighting module is the elementary azimuth angular sector of the single projector that comprises the lighting module.
  • the directional light sheet does not encounter any obstacle at the level of the support.
  • such a light projector may include one or more of the following features.
  • the azimuthal angular sector of the main ply of a projector is defined as the angular sector in which the luminous intensity is greater than 50% of the intensity present in the center of the main light ply.
  • two adjacent projectors of each lighting module are fixed together at a respective longitudinal end of the two projectors.
  • the m projectors, for example the two projectors, of each lighting module are placed on a horizontal base plate.
  • each lighting module comprises a housing fixing the m projectors, for example the two projectors together. Thanks to these characteristics, the installation is facilitated because a lighting module can be fixed at the top of a support at one time instead of having to fix each of the projectors separately.
  • the case has a substantially triangular horizontal shape, two sides of the triangle being respectively defined respectively by the respective generating direction of one of the two projectors fixed on the housing and the third side being able to be fixed on a support. Thanks to these characteristics, the azimuthal orientation of the projectors is predefined, which facilitates the mounting of the lighting module.
  • 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 at the center of the luminous sheet, the angular sector of the site in which the luminous area is located. main sheet being less than 10 °, preferably less than 3 °. Thanks to these characteristics, the system emits light intended for an aerial signaling of the support without disturbing the residents.
  • n minus 1 of the lighting modules are defined as secondary modules and the n-th lighting module, for example the third lighting module, is defined as the main module, each of the secondary modules is connected by a power cable to the main module, the main module being itself connected to a main power cable able to be connected to a power supply in order to supply the power supply. projectors of each lighting module. Thanks to these characteristics, the modular system can be installed at the top of the support without requiring a tripled installation in terms of electric cables.
  • the projectors and / or lighting modules can be installed at different altitudes on the support.
  • the generating directions of all the cylindrical lenses of the system are in the same horizontal plane.
  • each of the n lighting modules for example the three lighting modules, is fixed on a high obstacle to be signaled, the three lighting modules being oriented to emit light around the obstacle. .
  • an additional lighting module is stacked vertically on each of the n lighting modules, for example the three lighting modules. Thanks to these characteristics, the luminous intensity emitted by the system can be amplified so that the signaling carries farther around the support.
  • 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.
  • a light signaling system 1 mounted on a stack 2 of vertical axis Z built on the ground 4 is shown.
  • the light signaling system 1 is installed below the top of the chimney 2.
  • the light signaling system 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 day and / or 2000 cd in red color or white night. The light intensity and color can be adjusted according to the daytime or nighttime period.
  • This light signaling system 1 allows in particular an aerial signaling of the chimney 2 intended for aircraft.
  • the light signaling system 1 is shown in more detail.
  • Such a light signaling system comprises three modules 28 each comprising a support 38 carrying two projectors 6.
  • the modules 28 are fixed on the chimney 2 by fixing means 39, for example screws.
  • the three modules 28 are arranged in a plane perpendicular to the z axis.
  • Each projector 6 each comprises a linear light source 8.
  • the two projectors 6 form an angle ⁇ equal to 120 °.
  • Each projector 6 emits an elementary luminous sheet in a defined azimuth angular sector.
  • the minimum azimuth angular sector of each of the six projectors 6 is 360 ° divided by the number of projectors 6.
  • the luminous signaling system comprises altogether six projectors 6, so the minimum azimuthal angular sector is 60 °, that is to say ie 360 ° / 6.
  • Each lighting module 28 emits a directional light sheet corresponding to the addition of the elementary light layers of the two 6 projectors that he understands.
  • each lighting module 28 emits a directional light sheet in an angular sector of 120 °.
  • the light signaling system therefore emits a 360 ° directional light layer corresponding to the addition of the elementary light plies of each module 28 of the light signaling system 1.
  • the principal directions 43 of the azimuthal angular sectors of the light plies emitted by the Lighting modules 28 must be offset from each other by a sufficient angle so that the assembly formed by the light plies emitted by each of the projectors 6 of the light-signaling system 1 is emitted in an azimuth angle ⁇ total of 360 ° .
  • the assembly formed by the diode bar 16 and the cylindrical lens 7 is protected, for each projector, by an opaque metal housing 8 open in the direction of emission of light.
  • the opening of the housing 8 may be covered with a window that does not deflect the light, to protect the cylindrical lens from dust.
  • This housing 8 is fixed in a dedicated location on a lighting module box 42.
  • the linear light source of the projector 6 is a strip of light-emitting diodes 16 placed parallel to a cylindrical optic 7.
  • 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 fastening means fixing the cylindrical lens 7 and a diode array 16 such as that shown in FIG. Figure 4 .
  • the diode bar 16 comprises diodes 14, 15 aligned linearly on a plate 17 so as to constitute a linear light source.
  • 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 direction 31 illustrates one of the many directions of emission of the light by a diode 15.
  • the diode 15 emits light in all directions of the half-space delimited by the plane of the diode array 16.
  • the light emitted in an azimuthal angular sector which passes through the cylindrical optic 7 then emerges in a minimum azimuth angular sector of 60 °.
  • 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 radii 26 coming from the diode 15 in an angular sector of about centered 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 perpendicular to the generator 9.
  • the cylindrical lens has a collimating function.
  • 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.
  • 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, intersecting 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 shows in greater detail a lighting module 28 fixed to a chimney 2.
  • the lighting module consists of a lighting module box 42.
  • Two housing 8 containing a projector 6 are recessed and fixed respectively in the two locations Dedicated 37 and 40 on the lighting module housing 42.
  • the housing of the lighting module has a substantially triangular shape seen from above.
  • the two locations 37 and 40 dedicated to receive projectors 6 define two sides of the triangle.
  • the third side 38 is useful for orienting the main direction 43 of the lighting module 28 relative to the chimney 2. Indeed, the main direction 43 is perpendicular to this third side 38 because of the geometry of the triangle, who is isosceles. Indeed, the two projectors 6 are of the same length, to facilitate mass production and assembly.
  • the main direction 43 is the bisector of the triangle, which allows the addition of the azimuth emission sectors of each projector 6 covers an azimuthal emission sector centered on this main direction 43.
  • the lighting module 28 also comprises a fixing system 39 intended to be fixed to the chimney 2, for example by screws.
  • a power supply cable 35 is connected to the lighting module 28 to power the light sources 16 of the projectors 6.
  • the light signaling system 1 is shown.
  • Two of the lighting modules 28 are defined as secondary modules 43 and the third lighting module is defined as the main module 44.
  • Each of the secondary modules 43 is connected by a power cable 35 to the main module 44.
  • the module The main cable is connected to a main power cable 41 which is itself connected to a remote power supply at the bottom of the chimney 2.
  • These electric cables 35, 41 make it possible to supply the light sources of the projectors 6 of each lighting module. 28.
  • the advantage of such wiring is to facilitate the installation of the light signaling system 1 at the top of the chimney 2. Indeed, the three lighting modules 28 do not require more than one power cable main 41 to be all powered.
  • a second advantage of such a system is to allow ground maintenance of the power supply.
  • the angular sectors of the elementary layers emitted by the projectors 611, 612, 621, 622, 631 and 632 are at least equal to 60 °.
  • the minimum angular sector 45 is bounded by the main direction 431 of the lighting module 281 and by a parallel 46 to the main direction 432 of the lighting module 282 adjacent to the second projector 612 of the lighting module 281.
  • the first projector 631 of the lighting module 283 adjacent to the first projector 611 of the lighting module 281 emits light in a minimum angular sector 45.
  • This minimum angular sector 45 is bounded by a parallel 46 to the main direction 432 of the adjacent lighting module 282 the second projector 632 of the lighting module 283 and a parallel 46 to the main direction 433 of the lighting module 283.
  • Two adjacent projectors 621 and 622 of the same lighting module 282 each emit light in an elementary angular sector minimum 45 respective.
  • This minimum elementary angular sector 45 is bounded by the main direction 432 of the illumination module 282 on the right for the minimum elementary angular sector 45 of the second projector 622 and on the left for the minimum elementary angular sector 45 of the first projector 621.
  • the illumination module 282 illuminates in an angular sector 450 equal to the sum of the two elementary angular sectors 45 of each of the projectors 621 and 622, since the angular sectors 45 have one and only one common direction 432.
  • two adjacent modules 282 and 281 emit in a minimum angular sector which is equal to the sum of the minimum angular sectors of emission of each of the two modules 282 and 281 because the minimum angular sectors of the two modules have one and only one common direction of emission which is parallel to the main transmission direction 433 of the third lighting module 283. All the characteristics described in this paragraph apply for each of the lighting modules 281, 282 and 283.
  • This embodiment meets a desire to save energy, while allowing illumination without blind spot in all azimuthal directions.
  • the Figures 10 and 11 represent variants of the light signaling system 1.
  • the Figure 10 schematically represents a light signaling system 1 which comprises two modules 70 and 71 each comprising three projectors 701, 702 and 703 similar to the projectors described above with reference to FIG. figure 9 .
  • the projectors 701, 702 and 703 of the module 70 are each oriented so that the principal directions, represented by solid straight arrows 47, of two adjacent projectors form an angle of 60 °.
  • the elementary angular sectors 45 of the sheets emitted by the projectors 701, 702 and 703 are greater than or equal to 60 °.
  • the lighting module 70 emits light in an azimuthal angular sector 48 greater than or equal to the sum of the elementary angular sectors 45, that is to say in an azimuth angular sector 48 greater than or equal to 180 °.
  • the angular sector 48 of the lighting module 70 is centered on the main direction 72 of the lighting module 70.
  • the lighting module 70 is fixed on the chimney 2 by a fastener 80, so that its main direction 72 extends in a radial direction of the chimney 2.
  • the module 71 has the same structure and the same geometry as the module 70, and is fixed on the stack 2 so that its main direction 73 extends in the opposite radial direction.
  • a light signaling system 1 can also emit light in all azimuthal directions.
  • the lighting module 71 is defined as a main module and is connected to a main power cable 41 itself connected to a remote power supply at the bottom of the chimney 2, as shown schematically.
  • the main power cable 41 arrives at the fixing member 80.
  • the lighting module 70 is itself a secondary lighting module powered by a secondary supply cable 35 connected to the module main lighting. These electric cables 35, 41 make it possible to supply the light sources of the projectors 6 of each lighting module 70 and 71.
  • the secondary power supply cable be decoupled in order to directly supply each of the projectors 701, 702 and 703 of the secondary lighting module 70.
  • the Figure 11 schematically represents the geometry of the azimuthal elementary angular sectors 45 of projectors of a light signaling system 1 according to a variant of the signaling system.
  • the light signaling system 1 comprises six illumination modules 74, 75, 76, 77, 78 and 79.
  • Each illumination module comprises a projector similar to the projectors described above with reference to FIG. figure 9 .
  • Each illumination module 74, 75, 76, 77, 78 and 79 emits light in an elementary azimuth angular sector 45 of 60 ° which constitutes the azimuthal sector 45 of the illumination module projector.
  • the bisectors of the azimuthal angular sectors 45 form the main directions of illumination of each of the six illumination modules, fixed around the chimney 2.
  • a light signaling system 1 can also emit light in all azimuthal directions.
  • One of the six modules is defined as the main module and is connected to a main power cable (not shown) itself connected to a remote power supply at the bottom of the stack 2.
  • a main power cable (not shown) itself connected to a remote power supply at the bottom of the stack 2.
  • secondary modules is connected to this main module by a secondary power cable.
  • the light signaling systems described above can be made with many types of light sources, including LEDs, fluorescent tubes, 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.
  • the lighting modules can be stacked vertically, so that the light emitted by the light signaling system is more intense.
  • 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.

Description

Domaine techniqueTechnical area

L'invention se rapporte au domaine des dispositifs de signalisation, notamment pour la signalisation aérienne des obstacles élevés, notamment des cheminées, par exemple des cheminées d'usines.The invention relates to the field of signaling devices, especially for the aerial signaling of high obstacles, including chimneys, for example factory chimneys.

Arrière-plan technologiqueTechnological background

Des dispositifs de signalisation destinés aux avions sont utilisés sur des cheminées. De tels dispositifs de signalisation peuvent notamment comprendre des lentilles cylindriques afin d'émettre de la lumière focalisée dans une direction prédéfinie, comme illustré par FR-A-2895779 . Un autre dispositif de signalisation selon l'état de la technique est décrit par EP2565519A1 . De tels dispositifs de signalisation doivent se situer entre 1,5 et 3 mètres en dessous du sommet des cheminées pour éviter une éventuelle perturbation par la fumée ou bien sur les pylônes à section triangulaire.Signaling devices for aircraft are used on fireplaces. 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. FR-A-2895779 . Another signaling device according to the state of the art is described by EP2565519A1 . Such signaling devices must be between 1.5 and 3 meters below the top of chimneys to avoid possible smoke disturbance or on triangular section pylons.

Résumésummary

Dans l'hypothèse où une cheminée serait signalée par une balise lumineuse cylindrique isotrope, alors du fait de la géométrie de la cheminée elle serait positionnée sur un versant de la cheminée. Dans cette hypothèse, la lumière émise dans la direction passant par le centre de la cheminée serait interrompue par la cheminée elle-même. Ainsi, dans cette hypothèse, la cheminée ne serait pas signalisée pour le versant opposé au versant portant la balise. De plus, l'efficacité de la balise n'est pas optimale puisque la lumière émise dans la direction passant par le centre de la cheminée consomme de l'énergie et n'est pas utile.In the event that a chimney would be signaled by an isotropic cylindrical light beacon, then because of the geometry of the chimney it would be positioned on a slope of the chimney. In this hypothesis, the light emitted in the direction passing through the center of the chimney would be interrupted by the chimney itself. Thus, in this hypothesis, the chimney would not be signaled for the slope opposite to the slope bearing the beacon. In addition, the efficiency of the beacon is not optimal since the light emitted in the direction passing through the center of the chimney consumes energy and is not useful.

Une idée à la base de l'invention est de fournir un système de signalisation lumineuse positionné en dessous du sommet d'une cheminée et émettant de la lumière couvrant tout l'espace aérien. Une idée à la base de l'invention est de fournir un système de signalisation lumineuse efficace en termes de lumière émise utile.An idea underlying the invention is to provide a light signaling system positioned below the top of a chimney and emitting light covering the entire airspace. An idea underlying the invention is to provide an effective light signaling system in terms of useful light emitted.

Selon un mode de réalisation, l'invention fournit un système de signalisation lumineuse comprenant n modules d'éclairage, par exemple trois modules d'éclairage, n étant un nombre entier positif supérieur ou égal à 2, dans lequel,
chaque module d'éclairage comprend m projecteur(s), par exemple deux projecteur(s), m étant un nombre entier positif supérieur ou égal à 1, lesdits m projecteurs étant, lorsque le nombre m est strictement supérieur à 1, fixés ensemble,
n et m étant deux nombres entiers dont le produit est égal à 6 ;
chaque projecteur du module d'éclairage comprenant :
une lentille cylindrique allongée dont la forme cylindrique est définie par une direction génératrice horizontale, et
une source lumineuse linéaire parallèle à la direction génératrice, s'étendant sur tout ou partie de la longueur de la lentille cylindrique pour émettre un flux lumineux en direction de la lentille cylindrique,
la lentille cylindrique étant apte à générer une nappe lumineuse principale en concentrant le flux lumineux dans un secteur angulaire de site prédéfini autour de la direction génératrice horizontale en direction de l'espace situé du côté opposé de la lentille cylindrique par rapport à la source lumineuse, et étant apte à projeter la nappe lumineuse principale dans un secteur angulaire azimutal élémentaire prédéfini autour de la direction verticale, le secteur angulaire azimutal élémentaire prédéfini étant supérieur ou égal à 60°,
chaque module d'éclairage étant configuré pour éclairer dans un secteur angulaire azimutal inférieur ou égal à la somme du ou des m secteurs angulaires azimutaux élémentaires de chacun du ou des m projecteur(s),
la bissectrice du secteur angulaire azimutal de chaque module d'éclairage définissant une direction principale du module d'éclairage, les modules d'éclairage étant agencés de sorte que les directions principales de deux modules d'éclairage adjacents forment entre elles un angle de 360°/n, par exemple un angle de 120° dans le cas où n est égal à 3, de sorte que le système de signalisation lumineuse soit apte à émettre de la lumière autour du système de signalisation lumineuse dans toutes les directions azimutales.According to one embodiment, the invention provides a light signaling system comprising n lighting modules, for example three lighting modules, n being a positive integer greater than or equal to 2, in which,
each lighting module comprises m projector (s), for example two headlamp (s), m being a positive integer greater than or equal to 1, said m headlamps being, when the number m is strictly greater than 1, fixed together,
n and m being two integers whose product is equal to 6;
each projector of the lighting module comprising:
an elongated cylindrical lens whose cylindrical shape is defined by a horizontal generative direction, and
a linear light source parallel to the generative direction, extending over all or part of the length of the cylindrical lens to emit a luminous flux towards the cylindrical lens,
the cylindrical lens being able to generate a main light sheet by concentrating the luminous flux in a predefined angular sector of site around the horizontal generative direction towards the space situated on the opposite side of the cylindrical lens with respect to the light source, and being capable of projecting the main light layer into a predefined elementary azimuth angular sector around the vertical direction, the predefined elementary azimuthal sector being greater than or equal to 60 °,
each lighting module being configured to illuminate in an azimuthal angular sector less than or equal to the sum of the elementary azimuthal angular m or sectors of each of the at least one projector,
the bisector of the azimuthal angular sector of each lighting module defining a main direction of the lighting module, the lighting modules being arranged so that the principal directions of two adjacent lighting modules form between them an angle of 360 ° / n, for example an angle of 120 ° in the case where n is equal to 3, so that the light signaling system is able to emit light around the light signaling system in all azimuthal directions.

En d'autres termes, lorsque le nombre m est égal à 1, le secteur angulaire azimutal du module d'éclairage est le secteur angulaire azimutal élémentaire de l'unique projecteur que comporte le module d'éclairage.In other words, when the number m is equal to 1, the azimuthal angular sector of the lighting module is the elementary azimuth angular sector of the single projector that comprises the lighting module.

Dans le cas où n est égal à 3 et m est égal à 2, l'invention fournit un système de signalisation lumineuse comprenant trois modules d'éclairage, dans lequel,
chaque module d'éclairage comprend deux projecteurs fixés ensemble,
chaque projecteur du module d'éclairage comprenant :

  • une lentille cylindrique allongée dont la forme cylindrique est définie par une direction génératrice horizontale, et
  • une source lumineuse linéaire parallèle à la direction génératrice, s'étendant sur tout ou partie de la longueur de la lentille cylindrique pour émettre un flux lumineux en direction de la lentille cylindrique,
  • la lentille cylindrique étant apte à générer une nappe lumineuse principale en concentrant le flux lumineux dans un secteur angulaire de site prédéfini autour de la direction génératrice horizontale en direction de l'espace situé du côté opposé de la lentille cylindrique par rapport à la source lumineuse, et étant apte à projeter la nappe lumineuse principale dans un secteur angulaire azimutal prédéfini autour de la direction verticale, le secteur angulaire azimutal prédéfini étant supérieur ou égal à 60°, les deux projecteurs du même module d'éclairage étant agencés de sorte que la direction génératrice du premier projecteur et la direction génératrice du second projecteur forment un angle de minimum 120° autour de la direction verticale dans l'espace situé du côté de la source lumineuse,
  • la bissectrice de l'angle définissant une direction principale du module d'éclairage,
  • les modules d'éclairage étant agencés de sorte que les directions principales de deux modules d'éclairage adjacents forment entre elles un angle de 120°, de sorte que le système de signalisation lumineuse soit apte à émettre de la lumière autour du système de signalisation lumineuse dans toutes les directions azimutales. Grâce à ces caractéristiques, le système de signalisation éclaire dans toutes les directions azimutales.
In the case where n is equal to 3 and m is equal to 2, the invention provides a light signaling system comprising three lighting modules, in which,
each lighting module includes two projectors fixed together,
each projector of the lighting module comprising:
  • an elongated cylindrical lens whose cylindrical shape is defined by a horizontal generative direction, and
  • a linear light source parallel to the generative direction, extending over all or part of the length of the cylindrical lens to emit a luminous flux towards the cylindrical lens,
  • the cylindrical lens being able to generate a main light sheet by concentrating the luminous flux in a predefined angular sector of site around the horizontal generative direction towards the space situated on the opposite side of the cylindrical lens with respect to the light source, and being capable of projecting the main light sheet in a predefined azimuth angular sector around the vertical direction, the predefined azimuth angular sector being greater than or equal to 60 °, the two projectors of the same lighting module being arranged so that the direction generator of the first projector and the generative direction of the second projector form an angle of at least 120 ° around the vertical direction in the space on the side of the light source,
  • the bisector of the angle defining a main direction of the lighting module,
  • the lighting modules being arranged so that the main directions of two adjacent lighting modules form an angle of 120 ° between them, so that the light-signaling system is able to emit light around the light-signaling system in all azimuth directions. Thanks to these characteristics, the signaling system illuminates in all azimuthal directions.

Grâce à ces caractéristiques, la nappe lumineuse directionnelle ne rencontre pas d'obstacle au niveau du support.Thanks to these characteristics, the directional light sheet does not encounter any obstacle at the level of the support.

Selon des modes de réalisation dans lesquels n est un nombre entier positif supérieur ou égal à 2, et m est un nombre entier positif supérieur ou égal à 1, un tel projecteur lumineux peut comporter une ou plusieurs des caractéristiques suivantes.According to embodiments wherein n is a positive integer greater than or equal to 2, and m is a positive integer greater than or equal to 1, such a light projector may include one or more of the following features.

Selon un mode de réalisation, le secteur angulaire azimutal de la nappe principale d'un projecteur est défini comme le secteur angulaire dans lequel l'intensité lumineuse est supérieure à 50% de l'intensité présente au centre de la nappe lumineuse principale.According to one embodiment, the azimuthal angular sector of the main ply of a projector is defined as the angular sector in which the luminous intensity is greater than 50% of the intensity present in the center of the main light ply.

Selon un mode de réalisation dans lequel m est supérieur ou égal à 2, deux projecteurs adjacents de chaque module d'éclairage sont fixés ensemble au niveau d'une extrémité longitudinale respective des deux projecteurs.According to one embodiment in which m is greater than or equal to 2, two adjacent projectors of each lighting module are fixed together at a respective longitudinal end of the two projectors.

Selon un mode de réalisation, les m projecteurs, par exemple les deux projecteurs, de chaque module d'éclairage sont posés sur une plaque de base horizontale.According to one embodiment, the m projectors, for example the two projectors, of each lighting module are placed on a horizontal base plate.

Selon un mode de réalisation, chaque module d'éclairage comprend un boitier fixant les m projecteurs, par exemple les deux projecteurs ensemble. Grâce à ces caractéristiques, l'installation est facilitée car un module d'éclairage peut être fixé au sommet d'un support en une seule fois au lieu de devoir fixer chacun des projecteurs séparément.According to one embodiment, each lighting module comprises a housing fixing the m projectors, for example the two projectors together. Thanks to these characteristics, the installation is facilitated because a lighting module can be fixed at the top of a support at one time instead of having to fix each of the projectors separately.

Selon un mode de réalisation dans lequel m est égal à 2, le boitier présente une forme horizontale sensiblement triangulaire, deux côtés du triangle étant définis respectivement chacun par la direction génératrice respective d'un des deux projecteurs fixé sur le boitier et le troisième côté étant apte à être fixé sur un support. Grâce à ces caractéristiques, l'orientation azimutale des projecteurs est prédéfinie, ce qui facilite le montage du module d'éclairage.According to an embodiment in which m is equal to 2, the case has a substantially triangular horizontal shape, two sides of the triangle being respectively defined respectively by the respective generating direction of one of the two projectors fixed on the housing and the third side being able to be fixed on a support. Thanks to these characteristics, the azimuthal orientation of the projectors is predefined, which facilitates the mounting of the lighting module.

Selon un mode de réalisation, le secteur angulaire de site est défini comme le secteur angulaire dans lequel l'intensité lumineuse est supérieure à 50% de l'intensité lumineuse au centre de la nappe lumineuse, le secteur angulaire de site dans lequel se trouve la nappe principale étant inférieur à 10°, de préférence inférieur à 3°. Grâce à ces caractéristiques, le système émet de la lumière destinée à une signalisation aérienne du support sans gêner les riverains.According to one embodiment, 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 at the center of the luminous sheet, the angular sector of the site in which the luminous area is located. main sheet being less than 10 °, preferably less than 3 °. Thanks to these characteristics, the system emits light intended for an aerial signaling of the support without disturbing the residents.

Selon un mode de réalisation, n moins 1 des modules d'éclairage, par exemple deux des modules d'éclairage, sont définis comme des modules secondaires et le n-ième module d'éclairage, par exemple le troisième module d'éclairage, est défini comme le module principal, chacun des modules secondaires est connecté par un câble d'alimentation au module principal, le module principal étant lui-même connecté à un câble d'alimentation principal apte à être connecté à une alimentation électrique afin d'alimenter les projecteurs de chaque module d'éclairage. Grâce à ces caractéristiques, le système modulaire peut être installé au sommet du support sans nécessiter une installation triplée en termes de câbles électriques.According to one embodiment, n minus 1 of the lighting modules, for example two of the lighting modules, are defined as secondary modules and the n-th lighting module, for example the third lighting module, is defined as the main module, each of the secondary modules is connected by a power cable to the main module, the main module being itself connected to a main power cable able to be connected to a power supply in order to supply the power supply. projectors of each lighting module. Thanks to these characteristics, the modular system can be installed at the top of the support without requiring a tripled installation in terms of electric cables.

Les projecteurs et/ou les modules d'éclairage peuvent être installés à différentes altitudes sur le support.The projectors and / or lighting modules can be installed at different altitudes on the support.

Selon un mode de réalisation, les directions génératrices de toutes les lentilles cylindriques du système sont dans un même plan horizontal.According to one embodiment, the generating directions of all the cylindrical lenses of the system are in the same horizontal plane.

Selon un mode de réalisation, chacun des n modules d'éclairage, par exemple des trois modules d'éclairage, est fixé sur un obstacle élevé devant être signalisé, les trois modules d'éclairage étant orientés pour émettre la lumière autour de l'obstacle.According to one embodiment, each of the n lighting modules, for example the three lighting modules, is fixed on a high obstacle to be signaled, the three lighting modules being oriented to emit light around the obstacle. .

Selon un mode de réalisation, un module d'éclairage additionnel est empilé verticalement sur chacun des n modules d'éclairage, par exemple des trois modules d'éclairage. Grâce à ces caractéristiques, l'intensité lumineuse émise par le système peut être amplifiée afin que la signalisation porte plus loin autour du support.According to one embodiment, an additional lighting module is stacked vertically on each of the n lighting modules, for example the three lighting modules. Thanks to these characteristics, the luminous intensity emitted by the system can be amplified so that the signaling carries farther around the support.

Grâce à ces caractéristiques, l'intensité lumineuse émise par le projecteur en dehors de la nappe principale peut être réduite. Par exemple, l'intensité lumineuse à -10° d'angle de site est rendue inférieure à 3% de l'intensité lumineuse émise à l'angle de site 0°, qui correspond par exemple à l'horizontale.Thanks to these characteristics, the luminous intensity emitted by the projector outside the main sheet can be reduced. For example, 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.

Brève description des figuresBrief description of the figures

L'invention sera mieux comprise, et d'autres buts, détails, caractéristiques et avantages de celle-ci apparaîtront plus clairement au cours de la description suivante de plusieurs modes de réalisation particuliers de l'invention, donnés uniquement à titre illustratif et non limitatif,.en référence aux dessins annexés.

  • La Figure 1 est un schéma d'un système de signalisation lumineuse de signalisation lumineuse montée sur un poteau d'axe vertical z.
  • La Figure 2 est une vue de dessus d'un mode de réalisation du système de signalisation lumineuse qui comprend trois modules de deux projecteurs chacun.
  • La Figure 3 est une vue en perspective de l'optique cylindrique d'un projecteur du système de signalisation lumineuse selon un mode de réalisation.
  • La Figure 4 est une vue de dessus d'une barrette de LEDs qui se fixe sur l'optique cylindrique du projecteur représenté sur la Figure 3.
  • La Figure 5 représente, de face, l'assemblage de l'optique cylindrique du projecteur et de la barrette de LEDs représentés respectivement par les Figures 3 et 4.
  • La Figure 6 est une coupe selon le plan VI-VI de l'assemblage représenté sur la Figure 5, sur laquelle sont représentées les trajectoires des faisceaux lumineux issus d'une LEDs à travers l'optique cylindrique.
  • La Figure 7 représente une vue tridimensionnelle d'un module d'éclairage comprenant deux projecteurs monté sur un boitier de module d'éclairage.
  • La Figure 8 représente schématiquement un système de signalisation lumineuse monté sur une cheminée selon un mode de réalisation de l'invention.
  • La Figure 9 représente schématiquement les secteurs angulaires azimutaux des projecteurs du système de signalisation lumineuse qui comprend trois modules de deux projecteurs chacun.
  • La Figure 10 représente schématiquement les secteurs angulaires azimutaux des projecteurs du système de signalisation lumineuse qui comprend deux modules de trois projecteurs chacun
  • La Figure 11 représente schématiquement les secteurs angulaires azimutaux des projecteurs du système de signalisation lumineuse qui comprend six modules d'un unique projecteur chacun
The invention will be better understood, and other objects, details, features and advantages thereof will become more clearly apparent in the description following of several particular embodiments of the invention, given solely by way of illustration and without limitation, with reference to the accompanying drawings.
  • The Figure 1 is a diagram of a luminous signaling light signaling system mounted on a pole of vertical axis z.
  • The Figure 2 is a top view of an embodiment of the light signaling system which comprises three modules of two projectors each.
  • The Figure 3 is a perspective view of the cylindrical optics of a floodlight of the light signaling system according to one embodiment.
  • The Figure 4 is a top view of a bar of LEDs which is fixed on the cylindrical optics of the projector represented on the Figure 3 .
  • The Figure 5 represents, from the front, the assembly of the cylindrical optics of the headlamp and of the array of LEDs respectively represented by the Figures 3 and 4 .
  • 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 an LEDs through the cylindrical optics.
  • The Figure 7 represents a three-dimensional view of a lighting module comprising two projectors mounted on a lighting module box.
  • The Figure 8 schematically represents a light signaling system mounted on a chimney according to one embodiment of the invention.
  • The Figure 9 schematically represents the azimuthal angular sectors of the floodlights of the light signaling system which comprises three modules of two projectors each.
  • The Figure 10 schematically represents the azimuth angular sectors of the luminous signaling system headlamps which comprises two modules of three projectors each
  • The Figure 11 schematically represents the azimuthal angular sectors of the floodlights of the light signaling system which comprises six modules of a single projector each

Description détaillée de modes de réalisationDetailed description of embodiments

En référence à la figure 1, un système de signalisation lumineuse 1 monté sur une cheminée 2 d'axe vertical Z construite sur le sol 4 est représentée. Le système de signalisation lumineuse 1 est installé en dessous du sommet de la cheminée 2. Le système de signalisation lumineuse 1 émet une nappe lumineuse 3 tout autour de l'axe vertical, ce qui correspond à un secteur angulaire azimutal Φ de 360°. La nappe lumineuse 3 est représentée par des tirets. La nappe lumineuse 3 est concentrée dans un secteur angulaire de site d'angle de site S centré sur une direction centrale, qui est par exemple un plan horizontal 5 ou légèrement incliné par rapport à l'horizontal. La nappe lumineuse 3 a par exemple une intensité lumineuse de 20 000 cd en couleur blanche de jour et/ou de 2000 cd en couleur rouge ou en blanc de nuit. L'intensité lumineuse et la couleur peuvent être ajustées selon la période diurne ou nocturne. Ce système de signalisation lumineuse 1 permet notamment une signalisation aérienne de la cheminée 2 destinée aux avions.With reference to the figure 1 , a light signaling system 1 mounted on a stack 2 of vertical axis Z built on the ground 4 is shown. The light signaling system 1 is installed below the top of the chimney 2. The light signaling system 1 emits a light layer 3 all around the vertical axis, which corresponds to an azimuthal angular sector Φ 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 day and / or 2000 cd in red color or white night. The light intensity and color can be adjusted according to the daytime or nighttime period. This light signaling system 1 allows in particular an aerial signaling of the chimney 2 intended for aircraft.

Dans un exemple illustratif, en référence à la Figure 2, le système de signalisation lumineuse 1 est représenté plus en détail. Un tel système de signalisation lumineuse comporte trois modules 28 comprenant chacun un support 38 portant deux projecteurs 6. Les modules 28 sont fixés sur la cheminée 2 par des moyens de fixation 39, par exemple des vis. Les trois modules 28 sont agencés dans un plan perpendiculaire à l'axe z. Chaque projecteur 6 comporte chacun une source lumineuse linéaire 8. Sur un même module 28, les deux projecteurs 6 forment un angle α égal à 120°. Chaque projecteur 6 émet une nappe lumineuse élémentaire dans un secteur angulaire azimutal défini. Le secteur angulaire azimutal minimal de chacun des six projecteurs 6 est de 360° divisé par le nombre de projecteurs 6. Le système de signalisation lumineuse comprend en tout six projecteurs 6, donc le secteur angulaire azimutal minimal est 60°, c'est-à-dire 360° / 6. Chaque module d'éclairage 28 émet une nappe lumineuse directionnelle correspondant à l'addition des nappes lumineuses élémentaires des deux projecteurs 6 qu'il comprend. Ainsi, chaque module d'éclairage 28 émet une nappe lumineuse directionnelle dans un secteur angulaire de 120°. Le système de signalisation lumineuse émet donc une nappe lumineuse directionnelle à 360° correspondant à l'addition des nappes lumineuses élémentaires de chaque module 28 du système de signalisation lumineuse 1. Ainsi, les directions principales 43 des secteurs angulaires azimutaux des nappes lumineuses émises par les modules d'éclairage 28 doivent être décalées les unes des autres d'un angle suffisant pour que l'ensemble formé par les nappes lumineuses émises par chacun des projecteurs 6 du système de signalisation lumineuse 1 soit émis dans un angle azimutal Φ total de 360°. Les directions principales 43 des modules d'éclairage 28 sont décalées les unes des autres par un angle α=120°, comme il sera décrit ultérieurement en référence à la Figure 9.In an illustrative example, with reference to the Figure 2 , the light signaling system 1 is shown in more detail. Such a light signaling system comprises three modules 28 each comprising a support 38 carrying two projectors 6. The modules 28 are fixed on the chimney 2 by fixing means 39, for example screws. The three modules 28 are arranged in a plane perpendicular to the z axis. Each projector 6 each comprises a linear light source 8. On the same module 28, the two projectors 6 form an angle α equal to 120 °. Each projector 6 emits an elementary luminous sheet in a defined azimuth angular sector. The minimum azimuth angular sector of each of the six projectors 6 is 360 ° divided by the number of projectors 6. The luminous signaling system comprises altogether six projectors 6, so the minimum azimuthal angular sector is 60 °, that is to say ie 360 ° / 6. Each lighting module 28 emits a directional light sheet corresponding to the addition of the elementary light layers of the two 6 projectors that he understands. Thus, each lighting module 28 emits a directional light sheet in an angular sector of 120 °. The light signaling system therefore emits a 360 ° directional light layer corresponding to the addition of the elementary light plies of each module 28 of the light signaling system 1. Thus, the principal directions 43 of the azimuthal angular sectors of the light plies emitted by the Lighting modules 28 must be offset from each other by a sufficient angle so that the assembly formed by the light plies emitted by each of the projectors 6 of the light-signaling system 1 is emitted in an azimuth angle Φ total of 360 ° . The main directions 43 of the lighting modules 28 are offset from each other by an angle α = 120 °, as will be described later with reference to FIG. Figure 9 .

L'ensemble formé par la barrette de diode 16 et la lentille cylindrique 7 est protégé, pour chaque projecteur, par un boitier métallique 8 opaque ouvert dans la direction d'émission de la lumière. L'ouverture du boitier 8 peut être couverte d'une vitre qui ne dévie pas la lumière, afin de protéger la lentille cylindrique de la poussière. Ce boitier 8 est fixé dans un emplacement dédié sur un boitier de module d'éclairage 42. Dans cet exemple illustratif, la source lumineuse linéaire du projecteur 6 est une barrette de diodes lumineuses 16 placée parallèlement à une optique cylindrique 7.The assembly formed by the diode bar 16 and the cylindrical lens 7 is protected, for each projector, by an opaque metal housing 8 open in the direction of emission of light. The opening of the housing 8 may be covered with a window that does not deflect the light, to protect the cylindrical lens from dust. This housing 8 is fixed in a dedicated location on a lighting module box 42. In this illustrative example, the linear light source of the projector 6 is a strip of light-emitting diodes 16 placed parallel to a cylindrical optic 7.

Dans un exemple illustratif, en référence à la Figure 3, une lentille cylindrique 7 de projecteur 6 est représentée. La lentille cylindrique 7 présente une longueur L. La forme cylindrique est définie par une direction génératrice horizontale 9 et par une courbe directrice 10. La lentille cylindrique 7 comporte deux faces d'extrémités 20 perpendiculaires à la génératrice 9 du cylindre. La lentille cylindrique 7 est principalement constituée en polycarbonate. Dans cet exemple illustratif, la lentille cylindrique 7 mesure environ 200mm. La courbe directrice 10 présente une forme globale qui est sensiblement celle d'un trapèze. La grande base 22 du trapèze mesure environ 56mm et la petite base 21 du trapèze mesure environ 25mm. Les côtés 11 du trapèze définissent deux surfaces 12 externes convexes inclinées de la lentille cylindrique. La forme de la courbe directrice 10 sera expliquée ultérieurement plus en détail en référence à la Figure 6. La lentille cylindrique 7 dispose d'orifices 13 sur un support 19. Les orifices 13 sont destinés à recevoir des moyens de fixations fixant la lentille cylindrique 7 et une barrette de diodes 16 telle celle représentée sur la Figure 4.In an illustrative example, with reference to the Figure 3 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 fastening means fixing the cylindrical lens 7 and a diode array 16 such as that shown in FIG. Figure 4 .

Dans cet exemple illustratif, la barrette de diode 16 comporte des diodes 14, 15 alignées linéairement sur une plaque 17 de sorte à constituer une source lumineuse linéaire. Les diodes de la barrette 16 sont des diodes rouges 14 espacées successivement les unes des autres par quatre diodes blanches 15 respectives. La barrette 16 dispose également d'orifices 18 afin de pouvoir être fixée sur le support 19 de la lentille cylindrique illustrée sur la Figure 3 en superposition des orifices 13 présents sur le support 19.In this illustrative example, the diode bar 16 comprises diodes 14, 15 aligned linearly on a plate 17 so as to constitute a linear light source. 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.

La Figure 5 représente un schéma de l'assemblage de la lentille cylindrique 7 représentée sur la Figure 3 et de la barrette de diodes 16 représentée sur la Figure 4. La barrette de diodes 16 est fixée sur la lentille cylindrique 7 de sorte que la surface de la lentille cylindrique 7 définie par la petite base 21 du trapèze soit en vis-à-vis de la face de la barrette de diodes 16 qui émet de la lumière. La direction 31 illustre une des nombreuses directions d'émission de la lumière par une diode 15. La diode 15 émet en effet de la lumière dans toutes les directions du demi-espace délimité par le plan de la barrette de diodes 16. La lumière émise dans un secteur angulaire azimutal qui traverse l'optique cylindrique 7 ressort alors dans un secteur angulaire azimutal minimal de 60°.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 direction 31 illustrates one of the many directions of emission of the light by a diode 15. The diode 15 emits light in all directions of the half-space delimited by the plane of the diode array 16. The light emitted in an azimuthal angular sector which passes through the cylindrical optic 7 then emerges in a minimum azimuth angular sector of 60 °.

Les figures suivantes présentent plus en détail la structure d'un projecteur 6 en fonctionnement, le projecteur 6 comprenant la lentille cylindrique 7 telle que représentée sur la Figure 3 et la barrette de diodes 16 telle que représentée sur la Figure 4. Le projecteur 6 est en fonctionnement lorsque les diodes 14, 15 de la barrette de diodes 16 émettent de la lumière.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.

La Figure 6 est une coupe selon le plan VI-VI de l'assemblage représenté sur la Figure 5, sur laquelle sont représentées les trajectoires des faisceaux lumineux issus de la diode 15 à travers l'optique cylindrique. La petite base 21 du trapèze est orientée vers la diode 15. La grande base 22 du trapèze est orientée dans la direction de la nappe lumineuse. La courbe directrice 10 présente un décrochement 23 sur la petite base 21 du trapèze. Ce décrochement définit une rainure parallèle à la génératrice 9 sur la lentille cylindrique 7. La paroi du fond de la rainure est une surface convexe 24 afin de faire converger les rayons issus de la barrette de diodes 16 sous la forme de la nappe lumineuse élémentaire. Dans le plan de coupe VI-VI, les rayons 26 issus de la diode 15 dans un secteur angulaire de site centré environ sur la direction perpendiculaire à la barrette 16 sont donc couplés à l'interface convexe 24 et concentrés par une seconde interface convexe 25 située sur la grande base 22 du trapèze, après s'être propagés dans la lentille cylindrique sensiblement perpendiculairement à la génératrice 9. Les rayons lumineux 26 sortent ainsi de la lentille cylindrique 7 dans un secteur angulaire de site centré environ sur la direction perpendiculaire à la barrette 16. En d'autres termes, la lentille cylindrique a une fonction collimatrice.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. In the section plane VI-VI, the radii 26 coming from the diode 15 in an angular sector of about centered 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 perpendicular to the generator 9. The light rays 26 and come out of the cylindrical lens 7 in an angular sector of about centered on the direction perpendicular to the bar 16. In other words, the cylindrical lens has a collimating function.

Les rayons lumineux 27 issus de la diode 15 dans le plan VI-VI et dans la direction à 45° de la perpendiculaire à la barrette 16 sont eux couplés par les bords latéraux du décrochement 23 et rabattus vers les côtés 11 du trapèze. Les surfaces des deux côtés 11 réfléchissent les rayons lumineux du fait de l'incidence des rayons lumineux sur ces surfaces. Les rayons réfléchis sont ainsi rabattus dans la direction environ perpendiculaire à la barrette 16, de sorte qu'ils ressortent de la lentille 7 par la grande base 22 du trapèze, traversant une interface non convexe, dans un secteur angulaire de site centré environ sur la direction perpendiculaire à la barrette 16.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.

Ainsi, dans le plan de coupe VI-VI, les rayons lumineux 26 et 27 sortent de la lentille cylindrique 7 dans un secteur angulaire de site prédéfini, centré sensiblement sur la direction perpendiculaire à la barrette 16. Ces rayons 26 et 27 définissent une nappe lumineuse élémentaire.Thus, in the sectional plane VI-VI, 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.

La courbe directrice présente un axe de symétrie 100 perpendiculaire à la barrette 16, de sorte que la lentille cylindrique 7 présente un premier plan de symétrie 1000 engendré par deux génératrices. Cela revient à dire que la courbe directrice 10 a sensiblement une forme de trapèze isocèle. La lentille cylindrique 7 présente également un second plan de symétrie, qui est le plan de coupe IV-IV, coupant la lentille cylindrique à mi-longueur L/2. En effet, les deux faces d'extrémités 20 sont perpendiculaires à la génératrice du cylindre.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, intersecting the cylindrical lens at half length L / 2. Indeed, the two end faces 20 are perpendicular to the generatrix of the cylinder.

La Figure 7 représente plus en détail un module d'éclairage 28 fixé sur une cheminée 2. Le module d'éclairage se compose d'un boitier de module d'éclairage 42. Deux boitier 8 contenant un projecteur 6 sont encastrés et fixés respectivement dans les deux emplacements dédiés 37 et 40 sur le boitier de module d'éclairage 42. Le boitier du module d'éclairage a une forme sensiblement triangulaire vue de dessus. Les deux emplacements 37 et 40 dédiés à recevoir des projecteurs 6 définissent deux côtés du triangle. Le troisième côté 38 est utile pour permettre d'orienter la direction principale 43 du module d'éclairage 28 par rapport à la cheminée 2. En effet, la direction principale 43 est perpendiculaire à ce troisième côté 38 du fait de la géométrie du triangle, qui est isocèle. En effet, les deux projecteurs 6 sont de même longueur, afin de faciliter la fabrication en série et le montage. De plus, la direction principale 43 est la bissectrice du triangle, ce qui permet que l'addition des secteurs azimutaux d'émission de chaque projecteur 6 couvre un secteur azimutal d'émission centré sur cette direction principale 43. Le module d'éclairage 28 comprend également un système de fixation 39 destiné à être fixé à la cheminée 2, par exemple par des vis. Un câble d'alimentation électrique 35 est connecté au module d'éclairage 28 pour alimenter les sources lumineuses 16 des projecteurs 6.The Figure 7 shows in greater detail a lighting module 28 fixed to a chimney 2. The lighting module consists of a lighting module box 42. Two housing 8 containing a projector 6 are recessed and fixed respectively in the two locations Dedicated 37 and 40 on the lighting module housing 42. The housing of the lighting module has a substantially triangular shape seen from above. The two locations 37 and 40 dedicated to receive projectors 6 define two sides of the triangle. The third side 38 is useful for orienting the main direction 43 of the lighting module 28 relative to the chimney 2. Indeed, the main direction 43 is perpendicular to this third side 38 because of the geometry of the triangle, who is isosceles. Indeed, the two projectors 6 are of the same length, to facilitate mass production and assembly. In addition, the main direction 43 is the bisector of the triangle, which allows the addition of the azimuth emission sectors of each projector 6 covers an azimuthal emission sector centered on this main direction 43. The lighting module 28 also comprises a fixing system 39 intended to be fixed to the chimney 2, for example by screws. A power supply cable 35 is connected to the lighting module 28 to power the light sources 16 of the projectors 6.

En référence à la Figure 8, le système de signalisation lumineuse 1 est représenté. Deux des modules d'éclairage 28 sont définis comme des modules secondaires 43 et le troisième module d'éclairage est défini comme le module principal 44. Chacun des modules secondaires 43 est connecté par un câble d'alimentation 35 au module principal 44. Le module principal est connecté à un câble d'alimentation principal 41 lui-même connecté à une alimentation électrique déportée, en bas de la cheminée 2. Ces câbles électriques 35, 41 permettent d'alimenter les sources lumineuses des projecteurs 6 de chaque module d'éclairage 28. L'avantage d'un tel câblage est de faciliter l'installation du système de signalisation lumineuse 1 au sommet de la cheminée 2. En effet, les trois modules d'éclairage 28 ne nécessitent pas plus d'un câble d'alimentation principal 41 pour être tous alimentés. Un second avantage d'un tel système est de permettre une maintenance au sol de l'alimentation électrique.With reference to the Figure 8 , the light signaling system 1 is shown. Two of the lighting modules 28 are defined as secondary modules 43 and the third lighting module is defined as the main module 44. Each of the secondary modules 43 is connected by a power cable 35 to the main module 44. The module The main cable is connected to a main power cable 41 which is itself connected to a remote power supply at the bottom of the chimney 2. These electric cables 35, 41 make it possible to supply the light sources of the projectors 6 of each lighting module. 28. The advantage of such wiring is to facilitate the installation of the light signaling system 1 at the top of the chimney 2. Indeed, the three lighting modules 28 do not require more than one power cable main 41 to be all powered. A second advantage of such a system is to allow ground maintenance of the power supply.

En référence à la Figure 9, la géométrie du système de signalisation 1 décrit précédemment est explicitée. Les directions principales 431, 432 et 433 des trois modules sont représentées en pointillés et séparées les unes des autres par un angle α=120°. Les secteurs angulaires des nappes élémentaires émis par les projecteurs 611, 612, 621, 622, 631 et 632 sont a minima égaux à 60°. Pour un premier projecteur 611 du module d'éclairage 281, le secteur angulaire minimal 45 est borné par la direction principale 431 du module d'éclairage 281 et par une parallèle 46 à la direction principale 432 du module d'éclairage 282 adjacent au deuxième projecteur 612 du module d'éclairage 281. Le premier projecteur 631 du module d'éclairage 283 adjacent au premier projecteur 611 du module d'éclairage 281 émet de la lumière dans un secteur angulaire minimal 45. Ce secteur angulaire minimal 45 est borné par une parallèle 46 à la direction principale 432 du module d'éclairage 282 adjacent au deuxième projecteur 632 du module d'éclairage 283 et par une parallèle 46 à la direction principale 433 du module d'éclairage 283. Deux projecteurs adjacents 621 et 622 du même module d'éclairage 282 émettent chacun de la lumière dans un secteur angulaire élémentaire minimum 45 respectif. Ce secteur angulaire élémentaire minimum 45 est borné par la direction principale 432 du module d'éclairage 282 à droite pour le secteur angulaire élémentaire minimum 45 du second projecteur 622 et à gauche pour le secteur angulaire élémentaire minimum 45 du premier projecteur 621. Ainsi, le module d'éclairage 282 éclaire dans un secteur angulaire 450 égal à la somme des deux secteurs angulaires élémentaires 45 de chacun des projecteurs 621 et 622, puisque les des secteurs angulaires 45 ont une et une seule direction commune 432. De même, deux modules adjacents 282 et 281 émettent dans un secteur angulaire minimal qui est égal à la somme des secteurs angulaires minimum d'émission de chacun des deux modules 282 et 281 car les secteurs angulaires minimum des deux modules ont une et une seule direction d'émission commune qui est parallèle à la direction d'émission principale 433 du troisième module d'éclairage 283. Toutes les caractéristiques décrites dans ce paragraphe s'appliquent pour chacun des modules d'éclairage 281, 282 et 283.With reference to the Figure 9 , the geometry of the signaling system 1 described above is explained. The main directions 431, 432 and 433 of the three modules are shown in dotted lines and separated from each other by an angle α = 120 °. The angular sectors of the elementary layers emitted by the projectors 611, 612, 621, 622, 631 and 632 are at least equal to 60 °. For a first projector 611 of the lighting module 281, the minimum angular sector 45 is bounded by the main direction 431 of the lighting module 281 and by a parallel 46 to the main direction 432 of the lighting module 282 adjacent to the second projector 612 of the lighting module 281. The first projector 631 of the lighting module 283 adjacent to the first projector 611 of the lighting module 281 emits light in a minimum angular sector 45. This minimum angular sector 45 is bounded by a parallel 46 to the main direction 432 of the adjacent lighting module 282 the second projector 632 of the lighting module 283 and a parallel 46 to the main direction 433 of the lighting module 283. Two adjacent projectors 621 and 622 of the same lighting module 282 each emit light in an elementary angular sector minimum 45 respective. This minimum elementary angular sector 45 is bounded by the main direction 432 of the illumination module 282 on the right for the minimum elementary angular sector 45 of the second projector 622 and on the left for the minimum elementary angular sector 45 of the first projector 621. Thus, the illumination module 282 illuminates in an angular sector 450 equal to the sum of the two elementary angular sectors 45 of each of the projectors 621 and 622, since the angular sectors 45 have one and only one common direction 432. Likewise, two adjacent modules 282 and 281 emit in a minimum angular sector which is equal to the sum of the minimum angular sectors of emission of each of the two modules 282 and 281 because the minimum angular sectors of the two modules have one and only one common direction of emission which is parallel to the main transmission direction 433 of the third lighting module 283. All the characteristics described in this paragraph apply for each of the lighting modules 281, 282 and 283.

Ainsi, du fait de l'invariance du système de signalisation lumineuse 1 par rotation d'angle a=120° et du fait que le secteur angulaire minimal 450 de chacun des trois modules d'éclairage 281, 282 et 283 est égal à a= 120°, le système de signalisation lumineuse 1 est apte à éclairer dans toutes les directions de l'espace, c'est-à-dire dans un secteur angulaire azimutal de Φ=360°.Thus, because of the invariance of the light signaling system 1 by angular rotation α = 120 ° and the fact that the minimum angular sector 450 of each of the three lighting modules 281, 282 and 283 is equal to a = 120 °, the light signaling system 1 is able to illuminate in all directions of space, that is to say in an azimuth angular sector of Φ = 360 °.

Dans un mode de réalisation préféré, les secteurs angulaires des trois modules d'éclairage 281, 282 et 283 sont chacun égaux au secteur angulaire minimal égal à a= 120°, de sorte que les secteurs angulaires des trois modules d'éclairage 281, 282 et 283 ne se recouvrent pas. Ce mode de réalisation répond à un souci d'économie d'énergie, tout en permettant un éclairement sans angle mort dans toutes les directions azimutales. Dans d'autres modes de réalisation, le secteur angulaire de chacun des trois modules d'éclairage 281, 282 et 283 est supérieur à α=120°, de sorte que les secteurs angulaires des trois modules d'éclairage 281, 282 et 283 se recouvrent.In a preferred embodiment, the angular sectors of the three lighting modules 281, 282 and 283 are each equal to the minimum angular sector equal to a = 120 °, so that the angular sectors of the three lighting modules 281, 282 and 283 do not overlap. This embodiment meets a desire to save energy, while allowing illumination without blind spot in all azimuthal directions. In other embodiments, the angular sector of each of the three lighting modules 281, 282 and 283 is greater than α = 120 °, so that the angular sectors of the three lighting modules 281, 282 and 283 overlap.

Les figures 10 et 11 représentent des variantes du système de signalisation lumineuse 1.The Figures 10 and 11 represent variants of the light signaling system 1.

La Figure 10 représente schématiquement un système de signalisation lumineuse 1 qui comprend deux modules 70 et 71 comprenant chacun trois projecteurs 701, 702 et 703 similaires aux projecteurs décrits précédemment en référence à la figure 9. Les projecteurs 701, 702 et 703 du module 70 sont chacun orientés de sorte que les directions principales, représentées par des flèches droites pleines 47, de deux projecteurs adjacents forment un angle de 60°.The Figure 10 schematically represents a light signaling system 1 which comprises two modules 70 and 71 each comprising three projectors 701, 702 and 703 similar to the projectors described above with reference to FIG. figure 9 . The projectors 701, 702 and 703 of the module 70 are each oriented so that the principal directions, represented by solid straight arrows 47, of two adjacent projectors form an angle of 60 °.

Les directions principales 72 et 73 des deux modules sont représentées en pointillés et séparées l'une de l'autre par un angle α=180°. Les secteurs angulaires élémentaires 45 des nappes émises par les projecteurs 701, 702 et 703 sont supérieurs ou égaux à 60°. Ainsi, le module d'éclairage 70 émet de la lumière dans un secteur angulaire azimutal 48 supérieur ou égal à la somme des secteurs angulaires élémentaires 45, c'est-à-dire dans un secteur angulaire azimutal 48 supérieur ou égal à 180°. Le secteur angulaire 48 du module d'éclairage 70 est centré sur la direction principale 72 du module d'éclairage 70.The main directions 72 and 73 of the two modules are shown in dotted lines and separated from each other by an angle α = 180 °. The elementary angular sectors 45 of the sheets emitted by the projectors 701, 702 and 703 are greater than or equal to 60 °. Thus, the lighting module 70 emits light in an azimuthal angular sector 48 greater than or equal to the sum of the elementary angular sectors 45, that is to say in an azimuth angular sector 48 greater than or equal to 180 °. The angular sector 48 of the lighting module 70 is centered on the main direction 72 of the lighting module 70.

Le module d'éclairage 70 est fixé sur la cheminée 2 par un organe de fixation 80, de sorte que sa direction principale 72 s'étende dans une direction radiale de la cheminée 2.The lighting module 70 is fixed on the chimney 2 by a fastener 80, so that its main direction 72 extends in a radial direction of the chimney 2.

Le module 71 présente la même structure et la même géométrie que le module 70, et est fixé sur la cheminée 2 de sorte que sa direction principale 73 s'étende dans la direction radiale opposée.The module 71 has the same structure and the same geometry as the module 70, and is fixed on the stack 2 so that its main direction 73 extends in the opposite radial direction.

Ainsi, un système de signalisation lumineuse 1 selon cette variante peut également émettre de la lumière dans toutes les directions azimutales.Thus, a light signaling system 1 according to this variant can also emit light in all azimuthal directions.

Le module d'éclairage 71 est défini comme un module principal et est connecté à un câble d'alimentation principal 41 lui-même connecté à une alimentation électrique déportée, en bas de la cheminée 2, comme représenté schématiquement. Par exemple, le câble d'alimentation principal 41 arrive au niveau de l'organe de fixation 80. Le module d'éclairage 70 est, lui, un module d'éclairage secondaire alimenté par un câble d'alimentation secondaire 35 connecté au module d'éclairage principal. Ces câbles électriques 35, 41 permettent d'alimenter les sources lumineuses des projecteurs 6 de chaque module d'éclairage 70 et 71.The lighting module 71 is defined as a main module and is connected to a main power cable 41 itself connected to a remote power supply at the bottom of the chimney 2, as shown schematically. For example, the main power cable 41 arrives at the fixing member 80. The lighting module 70 is itself a secondary lighting module powered by a secondary supply cable 35 connected to the module main lighting. These electric cables 35, 41 make it possible to supply the light sources of the projectors 6 of each lighting module 70 and 71.

En variante, il est possible également d'envisager que le câble d'alimentation secondaire soit détriplé afin d'alimenter directement chacun des projecteurs 701, 702 et 703 du module d'éclairage secondaire 70.As a variant, it is also possible to envisage that the secondary power supply cable be decoupled in order to directly supply each of the projectors 701, 702 and 703 of the secondary lighting module 70.

La Figure 11 représente schématiquement la géométrie des secteurs angulaires élémentaires azimutaux 45 de projecteurs d'un système de signalisation lumineuse 1 selon une variante du système de signalisation. Le système de signalisation lumineuse 1 comporte six modules d'éclairement 74, 75, 76, 77, 78 et 79. Chaque module d'éclairement comporte un projecteur similaire aux projecteurs décrits précédemment en référence à la figure 9. Chaque module d'éclairement 74, 75, 76, 77, 78 et 79 émet de la lumière dans un secteur angulaire azimutal élémentaire 45 de 60° qui constitue le secteur azimutal 45 du projecteur du module d'éclairement. Les bissectrices des secteurs angulaires azimutaux 45 forment les directions principales d'éclairement de chacun des six modules d'éclairement, fixés autour de la cheminée 2.The Figure 11 schematically represents the geometry of the azimuthal elementary angular sectors 45 of projectors of a light signaling system 1 according to a variant of the signaling system. The light signaling system 1 comprises six illumination modules 74, 75, 76, 77, 78 and 79. Each illumination module comprises a projector similar to the projectors described above with reference to FIG. figure 9 . Each illumination module 74, 75, 76, 77, 78 and 79 emits light in an elementary azimuth angular sector 45 of 60 ° which constitutes the azimuthal sector 45 of the illumination module projector. The bisectors of the azimuthal angular sectors 45 form the main directions of illumination of each of the six illumination modules, fixed around the chimney 2.

Ainsi, un système de signalisation lumineuse 1 selon cette variante peut également émettre de la lumière dans toutes les directions azimutales.Thus, a light signaling system 1 according to this variant can also emit light in all azimuthal directions.

Un des six modules est défini comme module principal et est connecté à un câble d'alimentation principal (non représenté) lui-même connecté à une alimentation électrique déportée, en bas de la cheminée 2. Chacun des autres modules, appelés modules secondaires, est connecté à ce module principal par un câble d'alimentation secondaire.One of the six modules is defined as the main module and is connected to a main power cable (not shown) itself connected to a remote power supply at the bottom of the stack 2. Each of the other modules, called secondary modules, is connected to this main module by a secondary power cable.

Les systèmes de signalisation lumineuse décrits ci-dessus peuvent être réalisés avec de nombreux types de sources lumineuses, notamment LEDs, tubes fluorescents, lampes à décharges et autres. La lumière peut être de différentes couleurs, avec ou sans clignotement, selon les caractéristiques de l'éclairement souhaitées.The light signaling systems described above can be made with many types of light sources, including LEDs, fluorescent tubes, discharge lamps and others. The light can be of different colors, with or without blinking, depending on the desired illumination characteristics.

Dans un autre mode de réalisation, la source lumineuse linéaire n'est pas exactement centrée sur le plan de symétrie 1000. Ainsi, la direction principale de la nappe lumineuse élémentaire n'est pas exactement horizontale.In another embodiment, the linear light source is not exactly centered on the plane of symmetry 1000. Thus, the principal direction of the elementary luminous sheet is not exactly horizontal.

Dans un autre mode de réalisation, la lentille ne présente pas de premier plan de symétrie. Dans un autre mode de réalisation, la lentille ne présente pas de second plan de symétrie.In another embodiment, the lens does not have a first plane of symmetry. In another embodiment, the lens has no second plane of symmetry.

La source lumineuse linéaire est de préférence placée sur une ligne de focalisation de la lentille cylindrique. La ligne de focalisation est définie par une ligne sur laquelle des rayons lumineux venant de l'infini convergent après avoir traversé la lentille cylindrique dans le sens de propagation contraire à celui décrit précédemment pour l'émission de la lumière des projecteurs.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.

La lentille cylindrique peut être fabriquée dans de nombreuses matières, par exemple en verre, en polycarbonate, en résine souple transparente, par exemple en résine souple comportant des composés de polyuréthane, par exemple une résine de série VT3402.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.

Dans un autre mode de réalisation, les modules d'éclairage peuvent être empilés verticalement, de sorte que la lumière émise par le système de signalisation lumineuse soit plus intense.In another embodiment, the lighting modules can be stacked vertically, so that the light emitted by the light signaling system is more intense.

La lentille cylindrique peut présenter différentes formes.The cylindrical lens can have different shapes.

Dans un autre mode de réalisation, la courbe directrice a sensiblement une forme de quadrilatère. Dans un autre mode de réalisation, la courbe directrice est elliptique. Dans un autre mode de réalisation, la courbe directrice est un cercle.In another embodiment, the guide curve is substantially quadrilateral in shape. In another embodiment, the steering curve is elliptical. In another embodiment, the steering curve is a circle.

Dans un autre mode de réalisation, la lentille cylindrique consiste en un assemblage de lentilles cylindriques couplées entre elles.In another embodiment, the cylindrical lens consists of an assembly of cylindrical lenses coupled together.

Bien que l'invention ait été décrite en liaison avec plusieurs modes de réalisation particuliers, il est bien évident qu'elle n'y est nullement limitée et qu'elle comprend tous les équivalents techniques des moyens décrits ainsi que leurs combinaisons si celles-ci entrent dans le cadre de l'invention.Although the invention has been described in connection with several particular embodiments, it is obvious that it is not limited thereto and that it comprises all the technical equivalents of the means described and their combinations if they are within the scope of the invention.

L'usage du verbe « comporter », « comprendre » ou « inclure » et de ses formes conjuguées n'exclut pas la présence d'autres éléments ou d'autres étapes que ceux énoncés dans une revendication. L'usage de l'article indéfini « un » ou « une » pour un élément ou une étape n'exclut pas, sauf mention contraire, la présence d'une pluralité de tels éléments ou étapes.The use of the verb "to include", "to understand" or "to include" and its conjugated forms does not exclude the presence of other elements or steps other than those set out in a claim. The use of the indefinite article "a" or "an" for an element or a step does not exclude, unless otherwise stated, the presence of a plurality of such elements or steps.

Dans les revendications, tout signe de référence entre parenthèses ne saurait être interprété comme une limitation de la revendication.In the claims, any reference sign in parentheses can not be interpreted as a limitation of the claim.

Claims (7)

  1. A light-signaling system (1) comprising three lighting modules, in which:
    each lighting module (28) comprises two projectors (6) being fixed together;
    each projector (6) of the lighting module comprising:
    an elongated cylindrical lens (7), the cylindrical shape of which is defined by a horizontal generatrix direction (9); and
    a linear light source (16) parallel to the generatrix direction (9), extending over all or part of the length of the cylindrical lens in order to emit a luminous flux (31) in the direction of the cylindrical lens;
    the cylindrical lens being capable of generating a main flat light beam (26, 27) by concentrating the luminous flux within a predefined elevation (S) angular sector (3) around the horizontal generatrix direction in the direction of the space located on the opposite side of the cylindrical lens (7) with respect to the light source (16), and being capable of projecting the main flat light beam (26, 27) within a predefined elementary azimuthal angular sector around the vertical direction, the predefined elementary azimuthal angular sector (45) being greater than or equal to 60°;
    each lighting module (28) being configured to illuminate within an azimuthal angular sector (450) smaller than or equal to the sum of the 2 elementary azimuthal angular sector(s) (45) of each of the 2 projector(s);
    the bisectrix (432) of the azimuthal angular sector (450) of each lighting module defining a main direction of the lighting module (28), the lighting modules (281, 282, 283) being arranged such that the main directions (431, 432) of two adjacent lighting modules form between them an angle of 120°, such that the light signaling system (1) is capable of emitting light around the light-signaling system (1) in all azimuthal directions (Φ), in which
    two of the lighting modules (28), are defined as secondary modules (43) and the third lighting module (28), is defined as the main module (44), each of the secondary modules is connected by a power supply cable (35) to the main module, the main module itself being connected to a main power supply cable (41) that is capable of being connected to an electrical power supply in order to supply the projectors (6) of each lighting module (43, 44) with power,
    in which each lighting module (28) comprises a housing fixing the two projectors (6) together,
    in which the housing is horizontally substantially triangular in shape, two sides of the triangle (38) each being defined respectively by the respective generatrix direction of one of the two projectors (6) fixed to the housing and the third side being capable of being fixed to a support.
  2. The system as claimed in claim 1, in which the azimuthal angular sector (45) of the main flat beam of a projector (6) is defined as the angular sector in which the luminous intensity is higher than 50% of the intensity present at the center of the main flat light beam (26, 27).
  3. The system as claimed in any one of claims 1 to 2, in which the two projectors (6) of each lighting module (28) are fixed together at a respective longitudinal end of the two projectors (6).
  4. The system as claimed in any one of claims 1 to 3, in which the two projectors (6) of each lighting module (28) are positioned on a horizontal baseplate.
  5. The system as claimed in any one of claims 1 to 4, in which the elevation (S) angular sector is defined as the angular sector in which the luminous intensity is higher than 50% of the luminous intensity at the center of the flat light beam, the elevation angular sector being smaller than 10°, preferably smaller than 3°.
  6. The system as claimed in any one of claims 1 to 5, in which the generatrix directions (9) of all of the cylindrical lenses of the system are in one and the same horizontal plane (5).
  7. The system as claimed in any one of claims 1 to 6, in which each of the lighting modules (28) is fixed to a tall obstacle (2) that must be signaled, the lighting modules (28) being oriented so as to emit light around the obstacle.
EP15817991.1A 2014-12-12 2015-12-10 System for visual signalling Active EP3230651B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1462349A FR3030016B1 (en) 2014-12-12 2014-12-12 LIGHT SIGNALING SYSTEM
PCT/FR2015/053414 WO2016092216A1 (en) 2014-12-12 2015-12-10 System for visual signalling

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IT202100004151A1 (en) 2021-02-23 2022-08-23 Calzavara S P A VISUAL SIGNALING SYSTEM.

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FR3030016A1 (en) 2016-06-17
US20180266655A1 (en) 2018-09-20
CN107429897B (en) 2019-11-05
WO2016092216A1 (en) 2016-06-16
FR3030016B1 (en) 2019-11-01
WO2016092216A9 (en) 2016-08-04
CN107429897A (en) 2017-12-01
EP3230651A1 (en) 2017-10-18
US10247386B2 (en) 2019-04-02

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