EP2045513B1 - Lighting device such as a candelabra on a column - Google Patents
Lighting device such as a candelabra on a column Download PDFInfo
- Publication number
- EP2045513B1 EP2045513B1 EP08352019A EP08352019A EP2045513B1 EP 2045513 B1 EP2045513 B1 EP 2045513B1 EP 08352019 A EP08352019 A EP 08352019A EP 08352019 A EP08352019 A EP 08352019A EP 2045513 B1 EP2045513 B1 EP 2045513B1
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- EP
- European Patent Office
- Prior art keywords
- coating
- metal core
- section
- mast
- type
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Not-in-force
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
- F21S8/08—Lighting devices intended for fixed installation with a standard
- F21S8/085—Lighting devices intended for fixed installation with a standard of high-built type, e.g. street light
- F21S8/086—Lighting devices intended for fixed installation with a standard of high-built type, e.g. street light with lighting device attached sideways of the standard, e.g. for roads and highways
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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
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
- F21V21/10—Pendants, arms, or standards; Fixing lighting devices to pendants, arms, or standards
Definitions
- Candelabrum types are known, essentially in three embodiments.
- a first form is to have a lighting means at the upper end of a metal mast whose lower end is fixed to the ground.
- a metal mast whose lower end is fixed to the ground.
- Such an embodiment is widely used, but has the disadvantage of ruling out any aesthetic consideration, the mast having a simple and relatively uniform profile, tube or cone type.
- such poles have a relatively uniform surface finish to make the latter stainless.
- a second embodiment consists of a reinforced concrete post, at the upper end of which is mounted a lighting means and whose lower end is fixed to the ground, this type of embodiment having the same disadvantages as those described for the metal mast .
- the concrete poles may require a larger cross section, which makes them less discreet while not favoring the aesthetic aspect.
- Lighting devices as defined above improve the candelabra referred to above.
- the modular post system consists of an internal skeleton structure suitable for carrying the load of the post system, and an outer plastic shell for aesthetic purposes.
- the outer plastic shell can be slid over the assembled inner skeleton structure, and consists of a single unit according to the example shown.
- the internal skeleton structure may be an upwardly extending conical metal post which is held in place by a base which also provides a static structure acting as a passive defense mechanism.
- the plastic shell is made of high impact plastic, molded, into a single piece of coating. These plastics have a high resistance to ultraviolet, high resistance to corrosion and abrasion, salt spray, and a higher resistance than epoxy resins, nylon, PVC. Such a street lamp does not meet many needs in terms of aesthetics and maintenance in particular.
- the composite structure of the lighting device according to the invention makes it possible to dissociate the mechanical strength function from that of the aesthetics in the product.
- the mechanical strength can be provided by a non-visible core from the outside, preferably of the standard type, and the aesthetic function by a rigid coating associated with the core that can be made in a plurality of copies depending on artistic, aesthetic, diverse and varied objectives, thanks to its moldability.
- the defined embodiment of the coating provides an easy embodiment of the coating, which can advantageously be replaced in part.
- the realization in longitudinal sections of the coating improves the dissociation of the strength functions of the metal core and clothing or aesthetics of the coating, especially under the effect of wind, and thus prevents the coating from having to withstand stresses due to bending of the mast.
- the elastic seal gives the device a bending ability, for example under the effect of wind, while offering a characteristic of absorption of the deformation of the mast, and damping of the movements of flexions.
- said metal core comprises a hollow cross-section mast.
- said hollow cross section mast is tubular.
- said hollow cross-section mast is conical.
- said mast has a circular or polygonal cross section.
- the polygonal section advantageously immobilizes the coating around the mast, and thus simply avoid any rotation around it.
- said coating adopts the shape of at least two half-shells complementary to one another so as to completely surround the periphery of at least one section of the length of the metal core.
- This embodiment of the coating allows easy mounting around the mast, in connection with the embodiment of the coating by molding.
- This embodiment of the coating advantageously makes it possible to form a coating by optimizing the material used while giving it good self-resistance and by allowing external shapes remote from the resistant core.
- said rigid hull-type coating comprises a mineral binder and fibers.
- the mineral binder mixed with fibers gives the coating subjected to external aggression time, a large capacity for corrosion resistance in particular.
- a material for the coating has a high hardness, little or no maintenance, because its color can be achieved in the mass.
- the fibers give the coating its own high mechanical strength.
- said rigid cover of the shell type is made of Ductal®.
- This feature provides a coating material particularly advantageous for its intrinsic characteristics taken in combination in a candelabra application, including exceptional hardness, high corrosion resistance, particularly suitable for the seaside, for example.
- the Ductal® brings to the candelabra a great flexibility in its ergonomics and its aesthetics while giving it high performance.
- said means for bonding the coating to said metal core comprise a removable connection of screw, bolt or similar type.
- connection means of the rigid coating on said metal core comprise a removable connection type screw, bolt or the like through at least one oblong hole.
- This feature allows the bonding of the coating on the mast to absorb elastic deformations of the mast.
- said two half-shells of a coating section are interconnected rigidly and completely by a connection type screw, bolt or the like.
- said coating completely covers the metal core, a coating end section covering the end of the metal core and carrying said lighting means.
- This feature offers a candelabrum with completely new aesthetic possibilities, the covering completely covering the resistant mast which disappears completely in view.
- the figure 1 represents an overall perspective view of an exemplary embodiment of a lighting device according to the invention.
- the figure 2 is a perspective view of the exterior of a coating element of the example of figure 1 .
- the figure 3 represents a perspective view of the interior of the coating element of the figure 2 .
- the figure 4 represents an enlarged detail of the coating element of the figure 3 .
- the figure 5 represents a first and a second step of the example of assembly method of the device according to the example of the figure 1 .
- the figure 6 represents a third step of the exemplary method of assembling the device according to the example of the figure 1 .
- the figure 7 represents a fourth step of the exemplary method of assembling the device according to the example of the figure 1 .
- the figure 8 represents a fifth step of the exemplary method of assembling the device according to the example of the figure 1 .
- the figure 9 represents a sixth step of the exemplary method of assembling the device according to the example of the figure 1 .
- the figure 10 represents a seventh step of the exemplary method of assembling the device according to the example of the figure 1 .
- the figure 11 represents an eighth step of the exemplary method of assembling the device according to the example of the figure 1 .
- the figure 12 represents a ninth step of the exemplary method of assembling the device according to the example of the figure 1 .
- the figure 13 represents a tenth step of the exemplary method of assembling the device according to the example of the figure 1 .
- the figure 14 represents a detail, seen in longitudinal section, of the partial device of the example of the figure 1 , after the assembly step of the figure 13 , and at the junction of two sections of coating.
- the figure 15 represents an enlarged detail, seen in perspective and in section, of the figure 14 .
- the figure 16 represents an enlarged detail, seen in lateral longitudinal section, of the example of lighting device according to the figure 1 , showing the upper part of the candelabrum.
- the figure 17 represents the detail of the figure 16 , seen in perspective from below.
- the device 1 represented on the figure 1 is a column-type candelabrum, intended to be installed mainly on roads, in any place appropriate to this type of street furniture and according to the needs, and can of course be implanted in any private place.
- the metal core 2 will preferably be a pole or mast of hollow cross section, for example tubular, or conical as shown in the example, more precisely octoconic, the cross section being octagonal as shown in the figures, in particular with smooth outer surface , or which can be in particular circular (not shown), or other.
- Such posts are known and therefore will not be more specifically described here.
- the coating 4 advantageously takes the form of at least two half-shells 6, 7 complementary to each other in order to completely surround the periphery of at least one section of the length of the metal core 2 As shown in the example, and more particularly on the figures 9 , 10 , 12 , 13 , the coating 4 adopts the shape of a plurality of sections 8, each advantageously composed of two half-shells, arranged successively along the metal core 2.
- the plurality of ribs 10 of the skin 9 with respect to the metal core 2, integral with the skin 9, is for example obtained by one-piece molding with the skin, the ribs 10, said transverse, being each disposed in a plane perpendicular to the longitudinal axis 3 of the metal core 2, and distributed along the covered part of the length of the metal core 2, by the skin 9, in the example the total length of the core and / or disposed each parallel to the longitudinal axis 3 of the metal core 2, as explained ci -Dessous.
- the ribs 10 have a function of centering the skin and advantageously contribute to the rigidity and intrinsic strength of the skin, or the structure of the coating as a whole.
- Each half-shell 6, 7 preferably comprises a longitudinal support for the metal core 2, adopting the shape of a rib or longitudinal groove 11 preferably pressing on the convex outer surface of the core by a preferably complementary surface concave.
- the longitudinal support can be at least on a generator portion of the core 2, continuous or discontinuous.
- the longitudinal support is on a longitudinal surface corresponding to one side of the outer octoconic surface of the metal core 2, whose length is equal to that of the section considered.
- the ribs or longitudinal grooves 11 are made in such a way that each section 8 can slide freely along the core when the two half-shells of a section are assembled with each other (for a cylindrical core ).
- a minimum clearance must advantageously be provided between the section 8 and the core 2, with respect to the longitudinal position provided for the section, so that the latter can slide upwards or downwards, in particular according to differential dilatation or depending on the bending movements of the soul.
- the transverse connecting ribs 10 and longitudinal grooves 11 can be made alternately or advantageously additional way, especially according to the space between the metal core 2 and the outer skin 9.
- Each transverse rib has a recess for passage of the section transverse of the metal core, having a continuous or discontinuous range on the core 2 adapted to ensure contact therewith.
- the recess is made in such a way that each section 8 can advantageously slide freely along the web on either side of a determined longitudinal position of the section.
- Each half-shell 6, 7 of each section 8 terminates at each of its longitudinal ends by a transverse rib having a recess capable of allowing the metal core 2 to pass when the two half-shells are joined one against the other. other, as for the other transverse ribs along a section 8.
- the longitudinal supports 11 for each of the two half-shells 6, 7 complementary to a section, are preferably arranged diametrically opposite once the half-shells assembled around the mast 2.
- each half-shell 6, 7 advantageously comprises a metal insert 12 embedded in the material of the casting liner, which makes it possible to form through holes 13 through each end rib, for a bolt axis, bolt or the like .
- the holes 13 advantageously have an axis parallel to the axis 3 of the mast 2.
- each insert 13 may take the form of two parallel sleeves interconnected by a rigid link, curved in the example shown to allow the passage of the mast through the end section of the coating section.
- the figure 5 represents two half-shells 6,7 assembled against each other, having for example four holes 13 for fixing the half-shells between them.
- the figures 5 and 7 represent the clamping of the two half-shells 6, 7 via two rigid plates 14 connecting two by two the holes 13 of the two half-shells, as shown.
- a plate 14 may for example adopt the shape of a flat and rigid plate.
- the figure 7 represents two half-shells 6, 7 assembled together as previously indicated at a first end of the section, the lower end, by means of two plates 14 and four bolts 15.
- the figure 8 represents the two half-shells 6, 7 of the figure 7 assembled together at the second end of the section 8, namely the upper end which is opposite the first end, the means of two plates 16 and four bolts 15, which will be described below.
- the two upper plates 16 each advantageously adopt the shape of a bracket to advantageously allow, in addition to the rigid connection of the two half-shells 6, 7 between them at their upper ends, a connection, advantageously removable, section 8 on the metal mast 2, by means of a wing of each bracket 16 arranged longitudinally, as shown in particular on the figure 8 .
- This connection is a longitudinal connection of the section on the core and also a connection in rotation around the soul, all the more useful if the soul possesses a circular section; in the case of the octoconic core shown, the rotational connection is not essential because the section of the core already advantageously provides a rotational connection of the coating 8 around the core 2.
- Each section 8 of coating is therefore for example linked to the metal mast 2 by its upper part 22 by means of these two brackets 16 in the form of an angle preferably via a bolt 18 respectively, as more particularly shown on the figures 11 and 14 .
- the other wings of the brackets 16, functionally identifiable to the plates 14 respectively, are fixed to the coating 4 as indicated previously with said plates 14.
- the lower and upper bolts are advantageously identical and may each have a countersink (not shown) in the upper head of the bolt for recessing the lower end of the corresponding lower bolt of the upper cladding section.
- Each of the wings of the brackets 16 for the connection of a coating section 8 to the metal mast 2 preferably comprises an oblong hole 23 in the longitudinal direction, parallel to the longitudinal axis of the mast 2, to allow a sliding of the coating especially during the deformation of the device under the effect of wind.
- the connection between a section 8 of coating 4 and the metal mast 2 is of the type with a degree of freedom in translation in the longitudinal direction.
- the bolts 18 providing this connection via the oblong holes 23, may however be slightly tightened so that the coating 4 does not slide completely freely along the mast and only allow the deformation of the column under the effect of the wind and its return to position normal under the effect of gravity as soon as the wind stops.
- the figures 9 and 10 represent the assembly of a first section 8 of coating 4 on the metal mast 2.
- the two half-shells 6, 7 of a section 8 are threaded on the metal mast 2 at one end thereof, the smallest in case of metal mast cone as shown on the figure 9 .
- the section 8 is associated with the mast by means of two bolts 18 perpendicular to the axis of the mast and passing through the width of the section of the mast, as shown in FIG. figure 11 and more particularly 14.
- the metal mast 2 has previously been pierced right through to the appropriate place for the passage of the bolt 18.
- the figure 12 shows the positioning of a second section 8, similarly to the first section.
- the interior space of each section 8 of coating intended for the passage of the mast 2 and against which the coating 4 is supported, will be dimensionally defined according to the specific mast section at the height level where must to find the section, especially in the case of a conical mast as shown.
- the figure 13 represents two successive sections of coating 8 assembled on the mast; it should be noted that the metal mast 2 is only partially represented on the Figures 9 to 13 .
- the figure 14 represents more precisely the assembly formed at the junction of two successive sections 8 of coating on the mast 2.
- the lighting device 1 partially represented on the figure 14 comprises an elastic seal (not shown) in the space 25, for example a rubber seal, disposed between two successive sections 8 of the coating 4, in a plane perpendicular to the longitudinal axis 3 of the metal core 2, and in abutment on both ends of the two successive sections 8.
- the two end surfaces of two successive sections 8 adopt, for example, respectively the shape of two closed curved strips placed facing each other when two successive sections are assembled following one of the other, as shown on the figures 12 , 13, 14 .
- the two curved strips surround the metal core 2, and are separated from one another by a distance corresponding substantially to the thickness of the elastic seal disposed in the space 25, or less than the thickness of the seal in the case of an elastic seal mounted in a groove, so that it advantageously ensures the absorption of the deformation of the mast at the junction of the sections 8.
- the elastic seal placed in the space 25 can also serve as means for absorbing the differential expansion between the metal and the material constituting the coating when the coating sections 4 are bonded to the metal mast 2 by a rigid and complete connection, for example in case of jamming of the sliding connections provided by the screws 18 .
- the flexible seal placed in the space 25 may adopt a form of O-ring or planar or substantially plane joint, a thickness of about 5 mm for example.
- the outer peripheral edge of the elastic seal may be aligned with the outer surface of the coating, or achieved so as to be set back from the outer surface of the coating, in particular according to the desired aesthetic effect of enhancing, or on the contrary to hide, the section structure of the coating.
- the inner peripheral edge of the elastic seal may comprise for example one or two flanges to facilitate a centering of the seal between the sections.
- the end or end surfaces vis-Ã -vis the two successive sections 8 will preferably be flat and parallel as shown in the figures, to form with the plane or substantially plane joint, a flexible peripheral support around the soul metallic.
- the lighting device 1 shown comprises an end portion 26 of coating 4 covering the end of the metal core 2 and carrying lighting means 27, as shown in FIGS. figures 16 and 17 .
- the end portion 26 can also be composed of two half-shells assembled to each other in a manner similar to those described for the sections 8.
- the end section 26 can be assembled on the mast 2 by example via a recessed tube (not shown) in the metal core 2, preferably with the presence of an elastic seal between the lower end of the last section 26 and the upper end of the penultimate section 8, as between two successive sections 8, so as to cover the entire core 2.
- the lighting means 27 comprise a lamp and are of any known type, and therefore will not be described here.
- These lighting means 27 are integrated in a housing 28 formed in the coating 4 for this purpose, and leaving a window 29 for the passage of light through the coating 4, as shown in FIGS. figures 16 and 17 .
- the immobilization in rotation around the mast of the last section 26 can be achieved by means of the bolts 15 as explained above, and the relative longitudinal displacement of the last section 26 with respect to the mast, in order to absorb the flexion or the differential expansion. of it, can be provided by a recess tubular type or the like leaving a degree of freedom in translation like holes oblong 23 sections 8 of coating.
- the lighting device 1 described above may be fixed to the ground via a plate 31 integral with the metal mast 2, as shown in FIG. figure 1 and screwed to the ground according to any known means, in particular for example on a concrete block.
- the first section of coating from the ground may not come into contact with it, and be separated from the ground by a determined distance depending on the fixing used of the device on the ground.
- the half-shells constituting the coating 4 are obtained by molding according to conventional methods which will therefore not be described here in more detail.
- the average thickness of the skin and ribs may be of the order of 10 mm.
- the geometry of the section can be used to provide a means of immobilization in rotation of the coating 4 around the mast.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
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- Circuit Arrangement For Electric Light Sources In General (AREA)
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Abstract
Description
La présente invention se rapporte aux dispositifs d'éclairage du type candélabre à colonne, destinés notamment à être implantés le long de la voirie. Plus particulièrement, elle se rapporte à un dispositif d'éclairage du type candélabre à colonne, comportant :
- une âme métallique comportant un axe longitudinal, apte à conférer au candélabre une résistance mécanique suffisante à son maintien en position verticale,
- un revêtement rigide de type coque, entourant en totalité la périphérie d'au moins une section de la longueur de l'âme métallique et s'étendant au moins sur une partie de la longueur de ladite âme métallique, lié à celle-ci, en vue de conférer au candélabre un aspect esthétique particulier, ledit revêtement rigide étant réalisé dans un matériau apte à être moulé,
- des moyens de liaison du revêtement rigide à ladite âme métallique,
- des moyens d'éclairage disposés à l'extrémité supérieure du dispositif.
- a metal core having a longitudinal axis, adapted to impart to the candelabrum a sufficient mechanical strength to maintain it in a vertical position,
- a rigid hull-type coating, surrounding the entire periphery of at least a portion of the length of the metal core and extending at least a portion of the length of said metal core, bonded thereto, to give the candelabrum a particular aesthetic appearance, said rigid coating being made of a material suitable for being molded,
- means for bonding the rigid coating to said metal core,
- lighting means arranged at the upper end of the device.
Des types de candélabre sont connus, essentiellement sous trois formes de réalisations.Candelabrum types are known, essentially in three embodiments.
Une première forme consiste à disposer un moyen d'éclairage à l'extrémité supérieure d'un mât métallique dont l'extrémité inférieure est fixée au sol. Une telle réalisation est largement utilisée, mais présente l'inconvénient d'écarter toute considération esthétique, le mât présentant un profil simple et relativement uniforme, de type tube ou cône. En outre, de tels mâts comportent une finition de surface également relativement uniforme visant à rendre cette dernière inoxydable.A first form is to have a lighting means at the upper end of a metal mast whose lower end is fixed to the ground. Such an embodiment is widely used, but has the disadvantage of ruling out any aesthetic consideration, the mast having a simple and relatively uniform profile, tube or cone type. In addition, such poles have a relatively uniform surface finish to make the latter stainless.
Une deuxième réalisation consiste en un poteau en béton armé, à l'extrémité supérieure duquel est monté un moyen d'éclairage et dont l'extrémité inférieure est fixé au sol, ce type de réalisation présentant les mêmes inconvénients que ceux décrits pour le mât métallique. En outre, les poteaux en béton peuvent demander une plus grande section transversale, ce qui les rend moins discrets tout en ne permettant pas de privilégier l'aspect esthétique.A second embodiment consists of a reinforced concrete post, at the upper end of which is mounted a lighting means and whose lower end is fixed to the ground, this type of embodiment having the same disadvantages as those described for the metal mast . In addition, the concrete poles may require a larger cross section, which makes them less discreet while not favoring the aesthetic aspect.
On trouve également un candélabre de type en fonte, qui permet quant à lui plus facilement de prendre en compte l'aspect esthétique et/ou artistique de ce type de mobilier urbain, mais à des prix de revient élevés et moyennant une charge d'entretien régulier du mobilier, essentiellement en peinture.There is also a candelabra type cast iron, which allows for him more easily to take into account the aesthetic and / or artistic aspect of this type of street furniture, but at high cost and with a load of maintenance regular furniture, mainly in painting.
Des dispositifs d'éclairage comme défini plus haut améliorent les candélabres visés ci-dessus.Lighting devices as defined above improve the candelabra referred to above.
On connaît par exemple avec le document
On connaît avec le document
La présente invention a pour objectif de pallier ces inconvénients. Plus précisément, elle consiste en un dispositif d'éclairage du type candélabre à colonne, comportant :
- une âme métallique comportant un axe longitudinal, apte à conférer au candélabre une résistance mécanique suffisante à son maintien en position verticale,
- un revêtement rigide de type coque, entourant en totalité la périphérie d'au moins une section de la longueur de l'âme métallique et s'étendant au moins sur une partie de la longueur de ladite âme métallique, lié à celle-ci, en vue de conférer au candélabre un aspect esthétique particulier,
- ledit revêtement rigide étant réalisé dans un matériau apte à être moulé,
- des moyens de liaison du revêtement rigide à ladite âme métallique,
- des moyens d'éclairage disposés à l'extrémité supérieure du dispositif,
- a metal core having a longitudinal axis, adapted to impart to the candelabrum a sufficient mechanical strength to maintain it in a vertical position,
- a rigid hull-type coating, surrounding the entire periphery of at least a portion of the length of the metal core and extending at least a portion of the length of said metal core, bonded thereto, to give the candelabrum a particular aesthetic aspect,
- said rigid coating being made of a moldable material,
- means for bonding the rigid coating to said metal core,
- lighting means arranged at the upper end of the device,
La structure composite du dispositif d'éclairage selon l'invention, du type âme résistante et revêtement, permet de dissocier la fonction de résistance mécanique de celle de l'esthétique dans le produit. Ainsi, la résistance mécanique peut être assurée par une âme non visible de l'extérieur, avantageusement de type standard, et la fonction esthétique par un revêtement rigide associé à l'âme qui pourra être réalisé en une pluralité d'exemplaires en fonction d'objectifs artistiques, esthétiques, divers et variés, grâce à son aptitude au moulage. La forme définie de réalisation du revêtement offre un mode de réalisation aisé du revêtement, qui peut avantageusement être remplacé par partie. En outre, la réalisation par tronçons longitudinaux du revêtement améliore la dissociation des fonctions de résistance de l'âme métallique et d'habillement ou d'esthétique du revêtement, notamment sous l'effet du vent, et évite ainsi au revêtement d'avoir à supporter des contraintes dues à la flexion du mât. Le joint élastique confère au dispositif une faculté de flexion, par exemple sous l'effet du vent, tout en offrant une caractéristique d'absorption de la déformée du mât, et d'amortissement des mouvements de flexions.The composite structure of the lighting device according to the invention, of the resistant core and coating type, makes it possible to dissociate the mechanical strength function from that of the aesthetics in the product. Thus, the mechanical strength can be provided by a non-visible core from the outside, preferably of the standard type, and the aesthetic function by a rigid coating associated with the core that can be made in a plurality of copies depending on artistic, aesthetic, diverse and varied objectives, thanks to its moldability. The defined embodiment of the coating provides an easy embodiment of the coating, which can advantageously be replaced in part. In addition, the realization in longitudinal sections of the coating improves the dissociation of the strength functions of the metal core and clothing or aesthetics of the coating, especially under the effect of wind, and thus prevents the coating from having to withstand stresses due to bending of the mast. The elastic seal gives the device a bending ability, for example under the effect of wind, while offering a characteristic of absorption of the deformation of the mast, and damping of the movements of flexions.
Selon une caractéristique avantageuse, ladite âme métallique comporte un mât de section transversale creuse.According to an advantageous characteristic, said metal core comprises a hollow cross-section mast.
Selon une caractéristique avantageuse, ledit mât de section transversale creuse est tubulaire.According to an advantageous characteristic, said hollow cross section mast is tubular.
Selon une caractéristique avantageuse, ledit mât de section transversale creuse est conique.According to an advantageous characteristic, said hollow cross-section mast is conical.
Selon une caractéristique avantageuse, ledit mât comporte une section transversale circulaire ou polygonale.According to an advantageous characteristic, said mast has a circular or polygonal cross section.
La section polygonale permet avantageusement d'immobiliser le revêtement autour du mât, et lui éviter ainsi simplement toute rotation autour de celui-ci.The polygonal section advantageously immobilizes the coating around the mast, and thus simply avoid any rotation around it.
Selon une caractéristique avantageuse, ledit revêtement adopte la forme d'au moins deux demi-coques complémentaires l'une de l'autre en vue d'entourer en totalité la périphérie d'au moins une section de la longueur de l'âme métallique.According to an advantageous characteristic, said coating adopts the shape of at least two half-shells complementary to one another so as to completely surround the periphery of at least one section of the length of the metal core.
Cette forme de réalisation du revêtement permet un montage aisé autour du mât, en liaison avec le mode de réalisation du revêtement par moulage.This embodiment of the coating allows easy mounting around the mast, in connection with the embodiment of the coating by molding.
Selon une caractéristique avantageuse, ledit revêtement comporte :
- une peau extérieure d'épaisseur sensiblement constante adoptant une forme déterminée en fonction de l'esthétique recherchée dudit dispositif,
- une pluralité de nervures solidaires de ladite peau, pour une liaison de cette dernière à ladite âme métallique.
- an outer skin of substantially constant thickness adopting a shape determined according to the desired aesthetics of said device,
- a plurality of ribs integral with said skin, for a connection of the latter to said metal core.
Ce mode de réalisation du revêtement permet avantageusement de former un revêtement en optimisant la matière utilisée tout en lui conférant une bonne résistance propre et en permettant des formes extérieures éloignées de l'âme résistante.This embodiment of the coating advantageously makes it possible to form a coating by optimizing the material used while giving it good self-resistance and by allowing external shapes remote from the resistant core.
Selon une caractéristique avantageuse, ledit revêtement rigide de type coque comporte un liant minéral et des fibres.According to an advantageous characteristic, said rigid hull-type coating comprises a mineral binder and fibers.
Le liant minéral mélangé à des fibres confère au revêtement soumis aux agressions extérieures du temps, une grande capacité de résistance à la corrosion notamment. En outre, un tel matériau pour le revêtement présente une grande dureté, peu d'entretien, voire aucun, du fait que sa couleur peut être réalisée dans la masse. Les fibres confèrent au revêtement sa propre résistance mécanique élevée.The mineral binder mixed with fibers gives the coating subjected to external aggression time, a large capacity for corrosion resistance in particular. In addition, such a material for the coating has a high hardness, little or no maintenance, because its color can be achieved in the mass. The fibers give the coating its own high mechanical strength.
Selon une caractéristique avantageuse, ledit revêtement rigide de type coque est réalisé en Ductal®.According to an advantageous characteristic, said rigid cover of the shell type is made of Ductal®.
Cette caractéristique propose un matériau de réalisation du revêtement particulièrement avantageux pour ses caractéristiques intrinsèques prises en combinaison dans une application pour candélabre, notamment dureté exceptionnelle, grande résistance à la corrosion, particulièrement adapté pour les bords de mer par exemple. Le Ductal® apporte au candélabre une grande flexibilité dans son ergonomie et son esthétique tout en lui conférant de hautes performances.This feature provides a coating material particularly advantageous for its intrinsic characteristics taken in combination in a candelabra application, including exceptional hardness, high corrosion resistance, particularly suitable for the seaside, for example. The Ductal® brings to the candelabra a great flexibility in its ergonomics and its aesthetics while giving it high performance.
Selon une caractéristique avantageuse, lesdits moyens de liaison du revêtement à ladite âme métallique comportent une liaison démontable de type à vis, boulon ou analogue.According to an advantageous characteristic, said means for bonding the coating to said metal core comprise a removable connection of screw, bolt or similar type.
Selon une caractéristique avantageuse, lesdits moyens de liaison du revêtement rigide sur ladite âme métallique comportent une liaison démontable de type à vis, boulon ou analogue par l'intermédiaire d'au moins un trou oblong.According to an advantageous characteristic, said connection means of the rigid coating on said metal core comprise a removable connection type screw, bolt or the like through at least one oblong hole.
Cette caractéristique permet à la liaison du revêtement sur le mât d'absorber des déformations élastiques du mât.This feature allows the bonding of the coating on the mast to absorb elastic deformations of the mast.
Selon une caractéristique avantageuse, lesdites deux demi-coques d'un tronçon de revêtement sont liées entre elles de manière rigide et complète par une liaison de type à vis, boulon ou analogue.According to an advantageous characteristic, said two half-shells of a coating section are interconnected rigidly and completely by a connection type screw, bolt or the like.
Selon une caractéristique avantageuse, ledit revêtement recouvre en totalité l'âme métallique, un tronçon d'extrémité de revêtement coiffant l'extrémité de l'âme métallique et portant lesdits moyens d'éclairage.According to an advantageous characteristic, said coating completely covers the metal core, a coating end section covering the end of the metal core and carrying said lighting means.
Cette caractéristique offre un candélabre aux possibilités esthétiques tout à fait nouvelles, le revêtement recouvrant en totalité le mât résistant qui disparaît donc totalement à la vue.This feature offers a candelabrum with completely new aesthetic possibilities, the covering completely covering the resistant mast which disappears completely in view.
D'autres caractéristiques et avantages apparaîtront à la lecture qui suit de la description d'un exemple de mode de réalisation d'un dispositif d'éclairage selon l'invention, accompagnée des dessins annexés, exemples donnés à titre illustratif non limitatif.Other features and advantages will become apparent on reading the following description of an exemplary embodiment of a lighting device according to the invention, accompanied by the accompanying drawings, examples given by way of non-limiting illustration.
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Le dispositif 1 représenté sur la
Le dispositif 1 d'éclairage comprend :
- une âme métallique 2 comportant un axe longitudinal 3, apte à conférer au candélabre une résistance mécanique suffisante à son maintien en position verticale,
un revêtement rigide 4 de type coque, entourant la périphérie de l'âme métallique 2 et s'étendant avantageusement au moins sur toute la longueur de cette âme métallique 2, lié à celle-ci, en vue de conférer au candélabre un aspect esthétique particulier,- le revêtement rigide 4 étant réalisé dans un matériau apte à être moulé, comportant avantageusement un liant minéral et des fibres, par exemple de préférence du Ductal®, ou un matériau obtenu plus généralement à base de béton ou analogue et de fibres organiques ou minérales,
- des moyens de
liaison 5 du revêtement rigide sur l'âme métallique 2, qui seront plus particulièrement décrits avec l'aide desfigures 8 ,11 , et14 , - des moyens d'éclairage 27 disposés à l'extrémité supérieure 30 du
dispositif 1.
- a
metal core 2 having alongitudinal axis 3, able to give the candelabrum sufficient mechanical strength to maintain it in a vertical position, - a
rigid cover 4 of shell type, surrounding the periphery of themetal core 2 and advantageously extending at least over the entire length of thismetal core 2, bonded thereto, in order to give the candelabrum a particular aesthetic appearance , - the
rigid coating 4 being made of a material capable of being molded, advantageously comprising a mineral binder and fibers, for example preferably Ductal®, or a material obtained more generally based on concrete or the like and organic or mineral fibers, - connecting means 5 of the rigid coating on the
metal core 2, which will be more particularly described with the help of thefigures 8 ,11 , and14 , - lighting means 27 arranged at the
upper end 30 of thedevice 1.
L'âme métallique 2 sera de préférence un poteau ou mât de section transversale creuse, par exemple tubulaire, ou conique comme représenté dans l'exemple, plus précisément octoconique, la section transversale étant octogonale comme représenté sur les figures, notamment à surface extérieure lisse, ou pouvant être notamment circulaire (non représenté), ou autre. De tels poteaux sont connus et ne seront donc pas plus spécifiquement décrits ici.The
Le revêtement 4 adopte avantageusement la forme d'au moins deux demi-coques 6, 7 complémentaires l'une de l'autre en vue d'entourer en totalité la périphérie d'au moins une section de la longueur de l'âme métallique 2. Comme représenté dans l'exemple, et plus particulièrement sur les
Le revêtement 4 comporte de préférence, comme montré par exemple sur la
- une peau extérieure 9 d'épaisseur sensiblement constante adoptant une forme déterminée en fonction de l'esthétique recherchée du dispositif 1,
- une pluralité de nervures 10, 11 solidaires de la peau 9, pour une liaison de cette dernière à l'âme métallique 2, avantageusement par contact.
- an
outer skin 9 of substantially constant thickness adopting a shape determined according to the desired aesthetic of thedevice 1, - a plurality of
10, 11 integral with theribs skin 9, for a connection of the latter to themetal core 2, preferably by contact.
La pluralité de nervures 10 de la peau 9 par rapport à l'âme métallique 2, solidaires de la peau 9, est par exemple obtenue par moulage monobloc avec la peau, les nervures 10, dites transversales, étant disposées chacune dans un plan perpendiculaire à l'axe longitudinal 3 de l'âme métallique 2, et réparties le long de la partie couverte de la longueur de l'âme métallique 2, par la peau 9, dans l'exemple la longueur totale de l'âme et/ou disposée chacune parallèlement à l'axe longitudinal 3 de l'âme métallique 2, comme expliqué ci-dessous.The plurality of
Les nervures 10 ont une fonction de centrage de la peau et contribuent avantageusement à la rigidité et la résistance mécanique intrinsèque de la peau, ou de la structure du revêtement dans son ensemble.The
Chaque demi-coque 6, 7, comporte de préférence un appui longitudinal pour l'âme métallique 2, adoptant la forme d'une nervure ou rainure longitudinale 11 appuyant de préférence sur la surface extérieure convexe de l'âme par une surface de préférence complémentaire concave. L'appui longitudinal peut se faire au minimum sur une portion de génératrice de l'âme 2, continue, ou discontinue. Dans l'exemple, l'appui longitudinal se fait sur une surface longitudinale correspondant à un côté de la surface extérieure octoconique de l'âme métallique 2, dont la longueur est égale à celle du tronçon considéré. Les nervures ou rainures longitudinales 11 sont réalisées d'une manière telle que chaque tronçon 8 peut coulisser librement le long de l'âme lorsque les deux demi-coques d'un tronçon sont assemblées l'une avec l'autre (pour une âme cylindrique). Pour une âme 2 conique, un jeu minimal doit être avantageusement prévu entre le tronçon 8 et l'âme 2, par rapport à la position longitudinale prévue du tronçon, afin que ce dernier puisse coulisser vers le haut ou vers le bas, notamment en fonction de la dilatation différentielle ou en fonction des mouvements de flexion de l'âme.Each half-
Les nervures de liaison transversales 10 et rainures longitudinales 11, peuvent être réalisées de manière alternative ou avantageusement additionnelle, notamment selon l'espace existant entre l'âme métallique 2 et la peau extérieure 9. Chaque nervure transversale comporte un évidement de passage de la section transversale de l'âme métallique, présentant une portée continue ou discontinue sur l'âme 2 apte à assurer un contact avec celle-ci. L'évidement est réalisé d'une manière telle que chaque tronçon 8 peut avantageusement coulisser librement le long de l'âme de part et d'autre d'une position longitudinale déterminer du tronçon.The transverse connecting
Chaque demi-coque 6, 7 de chaque tronçon 8 se termine à chacune de ses extrémités longitudinales par une nervure 10 transversale comportant un évidemment apte à laisser passer l'âme métallique 2 lorsque les deux demi-coques sont réunies l'une contre l'autre, comme pour les autres nervures 10 transversales le long d'un tronçon 8.Each half-
Les appuis longitudinaux 11 pour chacune des deux demi-coques 6, 7 complémentaires d'un tronçon, sont disposés de préférence de manière diamétralement opposée une fois les demi-coques assemblées autour du mât 2.The longitudinal supports 11 for each of the two half-
Comme représenté sur la
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A la différence des deux platines 14 utilisées à l'extrémité inférieure 21 d'un tronçon 8, les deux platines supérieures 16 adoptent chacune avantageusement la forme d'une équerre pour permettre avantageusement, outre la liaison rigide des deux demi-coques 6, 7 entre elles à leurs extrémités supérieures, une liaison, avantageusement démontable, du tronçon 8 sur le mât métallique 2, au moyen d'une aile de chaque équerre 16 disposée longitudinalement, comme notamment représenté sur la
Les boulons 15 inférieurs et supérieurs sont avantageusement identiques et peuvent présenter chacun un lamage (non représenté) dans la tête supérieure du boulon pour un encastrement de l'extrémité inférieure du boulon inférieur 15 correspondant du tronçon supérieur de revêtement.The lower and upper bolts are advantageously identical and may each have a countersink (not shown) in the upper head of the bolt for recessing the lower end of the corresponding lower bolt of the upper cladding section.
Chacune des ailes des équerres 16 pour la liaison d'un tronçon de revêtement 8 au mât métallique 2, comporte de préférence un trou oblong 23 dans la direction longitudinale, parallèle à l'axe longitudinal du mât 2, afin de permettre un coulissement du revêtement notamment lors de la déformation du dispositif sous l'effet du vent. Ainsi, la liaison entre un tronçon 8 de revêtement 4 et le mât métallique 2 est du type à un degré de liberté en translation dans le sens longitudinal. Les boulons 18 assurant cette liaison via les trous oblongs 23, pourront être cependant légèrement serrés afin que le revêtement 4 ne coulisse pas totalement librement le long du mât et permettent seulement la déformation de la colonne sous l'effet du vent et son retour en position normale sous l'effet de la gravité dès que le vent cesse.Each of the wings of the
Les
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Le dispositif d'éclairage 1 représenté partiellement sur la
À titre d'exemple, le joint souple placé dans l'espace 25 peut adopter une forme de joint torique ou de joint plan ou sensiblement plan, d'une épaisseur de l'ordre de 5 mm environ par exemple.For example, the flexible seal placed in the
Dans le cas d'un joint plan ou sensiblement plan, le bord périphérique extérieur du joint élastique peut être aligné avec la surface extérieure du revêtement, ou être réalisé en sorte d'être placé en retrait par rapport à cette surface extérieure du revêtement, notamment selon l'effet esthétique recherché consistant à mettre en valeur, ou au contraire à cacher, la structure en tronçon du revêtement. Le bord périphérique intérieur du joint élastique pourra comporter par exemple un ou deux rebords afin de faciliter un centrage du joint entre les tronçons. Les surfaces de bout ou d'extrémité en vis-à -vis des deux tronçons 8 successifs seront de préférence planes et parallèles comme représenté sur les figures, pour former avec le joint plan ou sensiblement plan, un appui souple périphérique autour de l'âme métallique.In the case of a planar or substantially plane joint, the outer peripheral edge of the elastic seal may be aligned with the outer surface of the coating, or achieved so as to be set back from the outer surface of the coating, in particular according to the desired aesthetic effect of enhancing, or on the contrary to hide, the section structure of the coating. The inner peripheral edge of the elastic seal may comprise for example one or two flanges to facilitate a centering of the seal between the sections. The end or end surfaces vis-à -vis the two
Dans le cas d'un joint torique, celui-ci sera avantageusement placé dans une gorge formée dans l'un des deux tronçons successifs, débouchant sur la surface de bout ou d'extrémité du tronçon, afin que le joint prenne appui, sur sa longueur, sur la surface en vis-à -vis, de bout ou d'extrémité, plane, de l'autre tronçon, pour former un appui souple périphérique autour de l'âme métallique.In the case of an O-ring, it will advantageously be placed in a groove formed in one of the two successive sections, opening on the end or end surface of the section, so that the seal bears, on its length, on the surface opposite, flat end or end, the other section, to form a flexible peripheral support around the metal core.
Le dispositif d'éclairage 1 représenté comporte un tronçon d'extrémité 26 de revêtement 4 coiffant l'extrémité de l'âme métallique 2 et portant des moyens d'éclairage 27, comme représenté sur les
Le dispositif d'éclairage 1 décrit ci-dessus pourra être fixé au sol par l'intermédiaire d'une platine 31 solidaire du mât métallique 2, comme représenté sur la
Il est à noter que le premier tronçon de revêtement en partant du sol, peut ne pas entrer en contact avec celui-ci, et être séparé du sol par une distance déterminée selon la fixation utilisée du dispositif au sol.It should be noted that the first section of coating from the ground, may not come into contact with it, and be separated from the ground by a determined distance depending on the fixing used of the device on the ground.
Les demi-coques constitutives du revêtement 4 sont obtenues par moulage selon des procédés conventionnels qui ne seront donc pas décrits ici plus en détail. À titre d'exemple, l'épaisseur moyenne de la peau et des nervures peut être de l'ordre de 10 mm.The half-shells constituting the
Dans le cas d'utilisation d'un mât métallique de section polygonale comme dans l'exemple représenté, la géométrie de la section peut être utilisée pour fournir un moyen d'immobilisation en rotation du revêtement 4 autour du mât.In the case of using a metal pole of polygonal section as in the example shown, the geometry of the section can be used to provide a means of immobilization in rotation of the
Claims (12)
- Lighting device (1) of the column lamp post-type, comprising:- a metal core (2) comprising a longitudinal axis (3), which can give to the lamp post a mechanical strength sufficient to hold it in the vertical position,- a shell-type rigid coating (4), entirely surrounding the periphery of at least one section of the length of the metal core (2) and extending at least over a portion of the length of said metal core (2) and linked thereto, in order to give the lamp post a specific aesthetic appearance,- said rigid coating (4) being made of material that can be moulded,- means (18) for connecting the rigid coating (4) to said metal core (2),- lighting means (27) arranged at the upper end (30) of the device (1),said rigid coating (4) adopting the shape of a plurality of sections (8) arranged successively along a portion at least of the length of the metal core (2), characterised in that said device comprises an elastic joint arranged between two successive sections (8) of said rigid coating (4), in a plane that is perpendicular to the longitudinal axis (3) of the metal core (2).
- Device according to Claim 1, characterised in that said metal core (2) has a hollow cross-section mast.
- Device according to Claim 2, characterised in that said hollow cross-section mast is tubular.
- Device according to Claim 2, characterised in that said hollow cross-section mast is conical.
- Device according to any one of Claims 2-4, characterised in that said mast comprises a circular or polygonal cross-section.
- Device according to any one of Claims 1-5, characterised in that said coating (4) adopts the shape of at least two half-shells (6, 7) that complement each other in order to entirely surround the periphery of at least one section of the length of the metal core (2).
- Device according to any one of Claims 1-6, characterised in that said coating (4) comprises:- an outer skin (9) of a substantially constant thickness adopting a pre-determined shape according to the desired aesthetics of said device,- a plurality of ribs (10) that are integral with said skin, for connecting the latter to said metal core.
- Device according to any one of Claims 1-7, characterised in that said shell-type rigid coating (4) comprises an inorganic binder and fibres.
- Device according to any one of Claims 1-8, characterised in that said means (18) for connecting the coating (4) to said metal core (2) comprise a dismountable connection of the type having a screw, bolt or the like.
- Device according to any one of Claims 1-9, characterised in that said means (18) for connecting the coating (4) to said metal core (2) comprise a dismountable connection of the type having a screw, bolt, or the like via at least one oblong hole (23).
- Device according to any one of Claims 6-10, characterised in that said two half-shells (6, 7) of a coating (4) section (8) are interconnected in a rigid and complete manner through a connection of the type having a screw, bolt or the like (15).
- Device according to any one of Claims 6-11, characterised in that said coating (4) entirely covers the metal core (2), a coating end section (26) covering the upper end of the metal core and bearing the lighting means (27).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0706889A FR2921714A1 (en) | 2007-10-02 | 2007-10-02 | COLUMN CANDELABRE TYPE LIGHTING DEVICE |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2045513A1 EP2045513A1 (en) | 2009-04-08 |
EP2045513B1 true EP2045513B1 (en) | 2010-08-25 |
Family
ID=39301059
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08352019A Not-in-force EP2045513B1 (en) | 2007-10-02 | 2008-10-02 | Lighting device such as a candelabra on a column |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP2045513B1 (en) |
AT (1) | ATE479052T1 (en) |
DE (1) | DE602008002298D1 (en) |
FR (1) | FR2921714A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2497958B (en) * | 2011-12-23 | 2018-06-27 | Braghiroli Marco | Photovoltaic sleeve for street lights and the like |
CN107747722B (en) * | 2017-11-08 | 2023-08-15 | è´µå·žå¤§å¦ | Fluorescent insect-expelling lamp holder convenient to install for mining |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2225159C (en) * | 1996-12-19 | 2006-10-17 | Showa Pole Co., Ltd. | Pole having solar cells |
DE20120155U1 (en) * | 2001-12-12 | 2003-01-30 | Doda, Prince Joycen, 33428 Marienfeld | Street light or lamp comprises a shaft in the form of an elongate thin-walled hollow profile whose outer surfaces carry solar cells serving for production of electric current |
US6851838B2 (en) * | 2002-10-09 | 2005-02-08 | Genlyte Thomas Group Llc | Modular pole system for a light fixture |
FR2849686B1 (en) * | 2003-01-06 | 2005-07-08 | Technilum | URBAN FURNITURE SUPPORT ELEMENT AND / OR PUBLIC LIGHTING |
ES1061042Y (en) * | 2005-09-08 | 2006-04-01 | Iep Iluminacion S A | POLIVALENT BACLE FOR LUMINARY. |
-
2007
- 2007-10-02 FR FR0706889A patent/FR2921714A1/en not_active Withdrawn
-
2008
- 2008-10-02 EP EP08352019A patent/EP2045513B1/en not_active Not-in-force
- 2008-10-02 DE DE602008002298T patent/DE602008002298D1/en active Active
- 2008-10-02 AT AT08352019T patent/ATE479052T1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP2045513A1 (en) | 2009-04-08 |
ATE479052T1 (en) | 2010-09-15 |
DE602008002298D1 (en) | 2010-10-07 |
FR2921714A1 (en) | 2009-04-03 |
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