WO2015049473A2 - System and method for securing an illumination device by clamping to a girder - Google Patents
System and method for securing an illumination device by clamping to a girder Download PDFInfo
- Publication number
- WO2015049473A2 WO2015049473A2 PCT/FR2014/052510 FR2014052510W WO2015049473A2 WO 2015049473 A2 WO2015049473 A2 WO 2015049473A2 FR 2014052510 W FR2014052510 W FR 2014052510W WO 2015049473 A2 WO2015049473 A2 WO 2015049473A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- flange
- wing
- lighting device
- clamping
- fixing system
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 8
- 238000005286 illumination Methods 0.000 title abstract description 3
- 230000017525 heat dissipation Effects 0.000 claims description 10
- 239000004020 conductor Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 9
- 239000011152 fibreglass Substances 0.000 claims description 3
- 229920001296 polysiloxane Polymers 0.000 claims description 2
- 230000001737 promoting effect Effects 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000005553 drilling Methods 0.000 description 3
- 239000004567 concrete Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000007743 anodising Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000002210 silicon-based material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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
- F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
-
- 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
- F21V21/02—Wall, ceiling, or floor bases; Fixing pendants or arms to the bases
-
- 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
- F21V21/02—Wall, ceiling, or floor bases; Fixing pendants or arms to the bases
- F21V21/04—Recessed bases
- F21V21/048—Mounting arrangements for fastening lighting devices to false ceiling frameworks
-
- 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
- F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
- F21V33/006—General building constructions or finishing work for buildings, e.g. roofs, gutters, stairs or floors; Garden equipment; Sunshades or parasols
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
- E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
- E04C2003/0443—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by substantial shape of the cross-section
- E04C2003/0473—U- or C-shaped
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B2/00—Friction-grip releasable fastenings
- F16B2/02—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening
- F16B2/06—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening external, i.e. with contracting action
- F16B2/08—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening external, i.e. with contracting action using bands
-
- 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
- F21V21/34—Supporting elements displaceable along a guiding element
-
- 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 present invention relates to the field of the building, and relates in particular to a system for fixing a lighting device to a beam and to a method of fixing a lighting device to a beam and to a method. fixing device using said system.
- a framework structure forming a support for the envelope of a building or an external or buried structure, includes in a very general manner beams that define a first horizontal sheet and are supported by poles or bollards.
- the beams are intended to participate in the recovery of loads of a roof, a floor, or a facade of a structure, and must therefore have sufficient strength.
- lighting devices are suspended, using rods, chains, etc., under the roof of a building, under the structure of a floor for a floor of housing offices or parking lot exterior, for lighting a volume to be illuminated, the lighting devices defining a second horizontal sheet below the first horizontal sheet.
- the lighting devices are supplied with electricity by power cables which are guided in cable trays before being connected to the lighting devices, the cable trays being formed by rails and defining a third web separated from the first and second webs mentioned above.
- the above configuration is complex, so it has been proposed to apply the lighting devices LED based directly against the beams, to reduce to two the number of said layers.
- the lighting device is not easily moved by the end user.
- the present invention aims to meet this need by proposing a fastening system based on a clamping around the beam, comprising a body, which will be fixed to the lighting device, intended to be placed under the beam, at least one flange for be connected to the body passing over the beam, and clamping means of the flange or flanges on the beam, which allows the user to properly fix the lighting device to a beam in a simple manner and quick and while allowing him the ability to easily move the lighting device, as needed.
- Another advantage of the present invention is to avoid the drilling operation, and therefore on the one hand not to use drilling tools and, on the other hand, to maintain the integrity of the beam and so not to change its mechanical characteristics. This last point is of great importance since the beam is part of a load-bearing structure and, as indicated above, participates in load reversals.
- the present invention therefore relates to a system for fixing a lighting device to a beam having an underside intended to be directed towards a volume to be illuminated by the lighting device, characterized in that it comprises :
- the body on the outside of which is fixed or is intended to be fixed the lighting device, the body having a longitudinal direction and being U-shaped in cross section, with a bottom and two wings, and able to receive in the opening of the U part of the beam comprising said underside,
- At least one flange having two end regions each intended to be connected to a respective wing of the body with the portion of the flange between said two end regions surrounding the portion of the beam lying outside the body, and
- the U-shaped body allows it to be attached very easily to a beam by the flange or flanges while optimally distributing the mechanical stresses imposed by them.
- the U-shape of the body is particularly suitable for making by bending a sheet metal material such as aluminum, this method of manufacturing being more advantageous than a method of extruding or molding the material.
- the flange or flanges are transverse to the longitudinal direction of the body when the latter is held in position under the beam.
- the lighting device may include one or more light sources.
- the beam used with the fastening system according to the present invention can be made of any material having the mechanical properties sufficient for the load recovery function provided by the beam.
- the beam could be made of metal, concrete, wood, etc.
- the beam is made of a thermally conductive material, in particular metal such as steel, and the lighting device is connected to the beam so as to transfer, at least by thermal conduction, at least a portion of the heat released by the lighting device, the beam thus serving as a heat sink.
- a thermally conductive material in particular metal such as steel
- the lighting device is connected to the beam so as to transfer, at least by thermal conduction, at least a portion of the heat released by the lighting device, the beam thus serving as a heat sink.
- the body is advantageously made of thermally conductive material so as to provide a heat dissipation function of the heat generated by the lighting device, the body thereby forming a heat sink and which allows the use of the beam also as heat sink.
- heat-dissipating blocks such as, for example, finned blocks for light-emitting diode light sources, which are usually provided on the lighting devices to dissipate the calories supplied by these and thus maintain the operating temperature in the optimal ranges of the maker. Consequently, the space requirement of the lighting devices can be further reduced without penalizing the service life of the light sources.
- the U-shape of the body also allows it to effectively dissipate the heat generated by the lighting device, since it offers both a surface for dissipation by conduction towards the beam, namely the bottom of the body, and surfaces for radiation dissipation, namely the two wings.
- the lighting device will thus preferably be fixed or intended to be fixed on the outside of the bottom of the body. This system makes it possible to quickly fix a lighting device based on high power LEDs on the beam while using it in the conduction and convection of the heat generated by this technology. Fixing the lighting device directly on the structure allows to leave a maximum of clearance in height (more suspension) and to convey for example cranes.
- the body according to the present invention is sized to have a surface available for heat dissipation that is sufficient given the dimensions of the beam and the lighting device.
- the body can be dimensioned so that the total surface of heat exchange with the beam and the outside air is at least 200 cm 2 .
- the length of the bottom of the body, and preferably also wings, is in the range of 100 to 500 mm
- the height of the wings is in the range of 100 to 200 mm
- the thickness of the bottom and the wings of the body is in the range of 3 to 10 mm.
- the surfaces of the wings of the body are surface treated so as to increase their heat dissipation capacity, for example by anodizing, addition of lacquering or paint application.
- the fastening system according to the present invention advantageously comprises a layer of electrically insulating and thermally conductive material, such as a material based on silicone and fiberglass, placed on the inner face of the bottom of the body.
- the clamping means are capable of clamping the flange or flanges on the beam to press the bottom of the body against the underside of the beam, with the possible interposition of a layer of electrically insulating and thermally conductive material between the bottom of the body and the underside of the beam, which ensures an intimate contact between the bottom and the underside and thus further improve the dissipation of the heat generated by the lighting device.
- the clamping means are advantageously of the quick-clamping type.
- the body comprises, at each wing, at least one leg projecting towards the other wing of the body, the tabs being intended to come into contact with the beam at a time to ensure automatic centering of the body relative to to the beam during the establishment of the body on the beam and to ensure a spacing between the beam and each wing sufficient to provide space for convective heat dissipation, convection effect which will be even greater than the wing surfaces are large.
- This is particularly advantageous in the case of using a lighting device from high power LEDs.
- the tabs may be located near the bottom of the body, so as to come into contact with the portion of the beam having said underside.
- each wing There can be two legs for each wing, one leg at each end in the longitudinal direction of the body.
- each flange is advantageously provided with elastic means for holding the flange in the pressed position against the portion of the beam opposite to the underside, which resilient means may be formed by flexible systems, spring-loaded, elastomeric, with washers, etc.
- the use of elastic holding means compensates for the loosening of the flange which may occur over time or because of vibration of the beam.
- the objective is to ensure optimum thermal contact between the beam and the dissipator at all times. If the beam is steel and if one ensures a good thermal conduction between the beam and the dissipator, one can consider that 25% of dissipation can actually be done in the beam.
- Each wing may comprise a lower part, bottom side of the body, and an upper part, opposite to the bottom side of the body, and the upper part is in recoil towards the other wing with respect to the lower part.
- a pair of clamping tabs one on each wing, adapted to be connected to a respective end region of the flange, in a manner, for at least one of the clamping tabs , allowing clamping of the flange.
- the clamping tabs extend outwardly and upwardly from the upper edge of each wing forming with the horizontal an angle in the range of 20 to 50 °, preferably an angle 30 °.
- Each clamping flange of the same pair of clamping lugs may comprise a notch extending from a transverse edge of the clamping flange and ending in a through hole, intended for the passage of an end region of the flange. , the notch of a clamping flange leading, preferably, in the opposite transverse edge, in the longitudinal direction of the body, to that in which opens the notch of the other clamping flange.
- a pair of notches may be formed in each vertical edge of each wing of the body, the notches preferably being inclined upwards and the notch at the bottom of the body being preferably longer than the other notch of the body. the same pair of nicks. These cuts increase the surface available for convection and thus the dissipation capacity of the body.
- At least one through hole may be formed in the bottom of the body, so as to allow the passage, through the body, of cable (s) for supplying the lighting device or devices.
- the body is advantageously made of a single piece.
- the present invention also relates to a method of fixing a lighting device to a beam by means of a fastening system as defined above, characterized in that it comprises the steps of fix the lighting device to the U-shaped body of the fastening system, to place the fastening system on the beam, with a part of the beam comprising said under-face received in the opening of the U and the flange or flanges surrounding the part of the beam lying outside the body, and to tighten the flange (s) on the beam.
- FIG. 1 is a perspective view from above of the body of the fastening system according to the present invention.
- - Figures 2, 3 and 4 are plan views of the body of Figure 1, respectively side, front and bottom;
- - Figure 5 is an exploded perspective view of the fastening system according to the present invention, an IPE beam and a lighting device;
- - Figures 6, 7 and 8 are views of the fastening system in position fixed on an I-beam, respectively in perspective, from below and from side;
- Fig. 9 is a cross-sectional view of the IPE beam and fastening system shown in Fig. 8, taken along line IX-IX in Fig. 7;
- FIGS. 10 and 11 are respectively perspective and side views of a fastening system attached to an omega beam.
- a body 1 of the fastening system is in the form of a folded sheet to take the form of a U in cross section and which thus comprises a bottom 2 and two wings 3 of the same height.
- the transverse end regions 2a of the bottom 2 are trapezoidal and two through holes 2b, whose function will be explained below, are practiced in each end region 2a.
- a through hole 2c of larger diameter than the holes 2b, is made along a longitudinal edge of the bottom 2, in the center of the bottom 2 in the longitudinal direction of the body, to allow the passage of cable (s) of power supply of the lighting device.
- Two small through holes 2e are made in the center of the bottom 2, for fixing a lighting device.
- Each wing 3 comprises a lower part 3a and an upper part 3b, respectively in the vicinity and away from the bottom 2, connected by an inclined transition portion 3c whose inner wall is turned towards the bottom 2 and whose outer wall is turned towards the top. The upper part 3b is thus unhooked inwards relative to the lower part 3a.
- each wing 3 At the base of each wing 3 are formed two lugs 4 of automatic centering and spacing, one each of the two vertical edges of the wing 3. These lugs 4 are folded towards the opening of the U formed by the body 1 and form an angle of about 30 ° relative to the mean plane of the lower part 3a of the corresponding wing 3.
- a clamping tab 5 of generally rectangular shape, extends outwardly and upwardly from the free longitudinal edge 3d of each wing 3.
- Each clamping flange 5 is inclined by about 25.degree. means of the upper part 3b of the corresponding wing 3.
- a notch 5a is made from one of the transverse edges 5b, 5c, perpendicular to it, and ends in an oblong through hole 5d whose axis is generally at the center of the clamping flange 5.
- notches 3e, 3f are made in the upper part of each of the two vertical edges of each wing 3, one above the other. Notches 3e, 3f are inclined upwards. The notch 3e, bottom side 2, is slightly longer than the notch 3f.
- the thickness of the sheet which is generally constant, is 5 mm and the dimensions of the sheet are chosen so that: the length of the bottom 2, measured in the longitudinal direction of the body 1 and between the two transverse edges 2a of the bottom 2, is 240 mm,
- the height of the wings 3, measured vertically and between the outer wall of the bottom 2 and the free longitudinal edge of one of the clamping lugs 5, is 155 mm
- the distance between the two free longitudinal edges of the two clamping lugs 5, measured in the transverse direction of the body 1, is 130 mm
- the spacing between the two inner walls of the upper parts 3b of the two wings 3 is 70 mm
- the spacing between the two outer walls of the lower parts 3a of the two wings 3 is 100 mm.
- the fastening system also comprises a flange 6 and clamping means 7.
- the flange 6 is formed by a wire or wire, for example steel, provided with a stop member 6a at a first end, the stop member 6a having a stop surface perpendicular to the axis of the wire and facing away from said first end.
- the clamping means 7 comprise, on the one hand, a threaded rod 6b secured to the other end of the flange 6, a first flange nut 6c threaded onto the threaded rod 6b and whose base is turned towards the end free of the threaded rod 6b, and secondly a second flange nut 6d for sandwiching a clamping flange 5 with the first flange nut 6c.
- the beam IPE 8 is conventional and thus comprises a core 8a and two wings 8b, 8c, the outer face of the wing 8b constituting the underside intended to be turned towards the ground.
- the lighting device 9 is a device of high power electroluminescent diode (s), known per se, and comprises a light source part 10, a waveguide 11 which is fixed to the source part light 10 and screws 12 which are screwed into the holes 2 of the bottom 2 to fix the lighting device 9 to the body 1.
- the supply cable or cables of the light source portion 10 are passed through the through hole 2c of the body 1.
- the light source portion 10 consists of a support system of the light source as such, in this case a light emitting diode, system by which the lighting device 9 is fixed to the body 1.
- the diode electroluminescent is removably mounted on the support system to be interchangeable, allowing the user to change only the diode, not the entire light source portion 10, for example when it wishes to use a diode another power.
- the waveguide 11 is removably mounted on the light source portion 10, in particular the support system, allowing the user to easily change the diffusion angle of the illumination device 9 by replacement with another waveguide.
- the light source portion 10 is in contact with, or at least close proximity to, the body 1.
- the body 1 is placed under the beam 8 with the longitudinal direction of the body 1 coaxial with that of the beam 8, and threaded on it so that the wing 8b, having said underside, is located in the opening of the U, until coming into contact with the inner wall of the bottom 2 for thermal conduction between the bottom 2 and the beam 8 which then serves as a heat sink.
- each wing 3 is facing a portion of the core 2a, the tabs 4 are in contact with the longitudinal edges of the flange 8b of the beam 8 and a space, for convective heat dissipation, is arranged between the wing 8b of the beam 8 and the lower parts 3a of the wings 3. Said space is visible in Figure 9, the arrows illustrating the effect of convective dissipation.
- the power supply cable (s) of the lighting device 9 are arranged to extend along the beam 8 to a power supply unit, using the beam 8 as the cable path (s). It is emphasized here that the various dimensions of the body 1, mentioned above, are chosen to ensure sufficient mechanical strength and heat dissipation, depending on the dimensions of the beam with which the fastening system is used and the characteristics of the device. lighting that will be attached to the body.
- the body 1 is held in this optimal position by the flange 6, the first end of which is introduced into the oblong hole 5d via the notch 5a of a first clamping flange 5, the stop surface of the element 6b abutting against the lower face of the clamping flange 5.
- the other end of the flange 6 is introduced in the same manner into the oblong hole 5d of the other clamping flange 5, with the first flange nut 6c above the flange 5 and a portion of the threaded rod 6b projecting under the flange of 5, then the second flange nut 6d is screwed onto the threaded rod 6b to come with its base against the underside of the clamping flange 5 and clamp the latter against the base of the first flange nut 6c.
- the fixing of the body 1, and thus of the lighting device 9, on the beam 8 by the flange 6 is particularly simple, fast, efficient, with an automatic correct positioning due to the centering tabs 4 coming into contact with each other. with the wing 8b of the beam 8, without affecting the integrity of the beam 8, and disassembly just as fast simply by loosening the nut 6d.
- the fastening system according to the present invention is not limited to a particular profile of beam, which can be any, for example, a profile IPE, C, Z, omega, double angle, etc., which are open profiles.
- the beam could also be full, such as a solid concrete beam.
- the beam could also have a closed and hollow section profile, and thus be a tubular element.
- the beam may have an open section profile, such as IPE, C, Z, double angle, a thin section of omega, etc., and a strip of material is fixed along the edges of the beams. two wings of the profile for closing at least one opening of the open section of the beam.
- a strip of material for example sheet metal, can be attached to the beam, opposite the core, so as to obtain a beam of closed and hollow section .
- FIGS. 10 and 11 show the fastening system fastened to a beam of omega 13 thin section.
- the beam 13, symmetrical about a central longitudinal plane, is a thin metal profile, for example steel, which comprises a core or flank 13a connecting two wings 13b, 13c.
- a recess 13d is formed in the core 13a, over the entire length of the latter, forming first and second surfaces 13e, 13f inclined being facing outwards and opposite respectively of the wing 13b and the wing 13c.
- the wing 13b, 13c is folded square to its free edge region so as to form a side wall respectively 13g, 13h.
- the body 1 is fixed to the beam 13 by the flange 6 in the same manner as for the beam IPE 8, the flange 13b of the beam 13 being placed in contact with the inner wall of the bottom 2, the flanges 3 being in position.
- the fastening system according to the present invention can be adapted on beams whose upper part is free.
- the fastening system can obviously be used in the case where the beam supports a cover formed by a corrugated tray.
- the waves of the tank, generally spaced by 30 cm, being perpendicular to the beam, the fixing system can be placed on the beam at the passage of a wave, the flange or flanges passing through the opening formed between the beam and the inner face of the wave.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The present invention concerns a system for securing an illumination device (9) to a girder (7), which comprises a U-shaped body (1), which is advantageously heat conductive, with a bottom (2) and two wings (3) and capable of receiving, in the opening of the U, a part of the girder (8), at least one clamp (6) having two ends each intended to be linked to a respective wing (3) with the part of the clamp (6) between said two ends surrounding the part of the girder (8) located outside the body (1), and means (7) for tightening the or each clamp (6) to the girder (8) such that the or each clamp (6) pulls on the wings (3) in such a way as to hold the body (1) in position under the girder (8, 13).
Description
SYSTEME ET PROCEDE DE FIXATION D'UN DISPOSITIF D'ECLAIRAGE PAR BRIDAGE SUR UNE POUTRELLE La présente invention se rapporte au domaine du bâtiment, et porte en particulier sur un système de fixation d'un dispositif d'éclairage à une poutrelle et sur un procédé de fixation utilisant ledit système. The present invention relates to the field of the building, and relates in particular to a system for fixing a lighting device to a beam and to a method of fixing a lighting device to a beam and to a method. fixing device using said system.
De façon classique, une structure de charpente, formant support pour l'enveloppe d'un bâtiment ou d'un ouvrage extérieur ou enterré, comprend d'une manière très générale des poutrelles qui définissent une première nappe horizontale et sont soutenues par des poteaux ou potelets. Les poutrelles sont destinées à participer aux reprises de charges d'une toiture, d'un plancher, ou d'une façade d'un ouvrage, et doivent donc présenter une résistance mécanique suffisante . Conventionally, a framework structure, forming a support for the envelope of a building or an external or buried structure, includes in a very general manner beams that define a first horizontal sheet and are supported by poles or bollards. The beams are intended to participate in the recovery of loads of a roof, a floor, or a facade of a structure, and must therefore have sufficient strength.
Habituellement, des dispositifs d'éclairage sont suspendus, à l'aide de tiges, de chaînettes, etc., sous la toiture d'un bâtiment, sous la structure d'un plancher pour un plancher de bureaux de logement ou de parking à étage extérieur, pour l'éclairage d'un volume à éclairer, les dispositifs d'éclairage définissant une deuxième nappe horizontale au-dessous de la première nappe horizontale. Usually, lighting devices are suspended, using rods, chains, etc., under the roof of a building, under the structure of a floor for a floor of housing offices or parking lot exterior, for lighting a volume to be illuminated, the lighting devices defining a second horizontal sheet below the first horizontal sheet.
Les dispositifs d'éclairage sont alimentés en électricité par des câbles d'alimentation qui sont guidés dans des chemins de câbles avant d'être raccordés aux dispositifs d'éclairage, les chemins de câbles étant formés par des rails et définissant une troisième nappe séparée des première et deuxième nappes mentionnées ci-dessus. The lighting devices are supplied with electricity by power cables which are guided in cable trays before being connected to the lighting devices, the cable trays being formed by rails and defining a third web separated from the first and second webs mentioned above.
La configuration ci-dessus est complexe, de sorte qu'il a été proposé d'appliquer les dispositifs d'éclairage
à base de LED directement contre les poutrelles, afin de ramener à deux le nombre desdites nappes. The above configuration is complex, so it has been proposed to apply the lighting devices LED based directly against the beams, to reduce to two the number of said layers.
Un exemple d'un tel mode de fixation est divulgué dans la demande de brevet américain US 2007/0294980 Al, dans laquelle un dispositif d'éclairage est appliqué directement contre un élément de structure et est fixé à celui-ci par vissage. An example of such a method of attachment is disclosed in US patent application US 2007/0294980 A1, wherein a lighting device is applied directly against a structural member and is attached thereto by screwing.
Cependant, avec un tel mode de fixation, un opérateur doit percer l'élément de structure à l'aide d'un outil, ce qui implique l'utilisation d'outils motorisés, et cette opération de perçage est plus ou moins longue, complexe et difficile selon la nature du matériau de l'élément de structure (fonte, acier, etc.), son épaisseur, etc. Par ailleurs, le bon positionnement du dispositif d'éclairage le long de l'élément de structure peut se révéler délicat. However, with such a method of attachment, an operator must drill the structural element using a tool, which involves the use of motorized tools, and this drilling operation is more or less long, complex and difficult depending on the nature of the material of the structural element (cast iron, steel, etc.), its thickness, etc. Moreover, the correct positioning of the lighting device along the structural element can be tricky.
En outre, le dispositif d'éclairage n'est pas aisément déplaçable par l'utilisateur final. In addition, the lighting device is not easily moved by the end user.
La présente invention vise à satisfaire ce besoin en proposant un système de fixation basé sur un bridage autour de la poutrelle, comprenant un corps, auquel sera fixé le dispositif d'éclairage, destiné à être placé sous la poutrelle, au moins une bride destinée à être reliée au corps en passant au-dessus de la poutrelle, et des moyens de serrage de la ou des brides sur la poutrelle, ce qui permet à l'utilisateur de fixer correctement le dispositif d'éclairage à une poutrelle d'une manière simple et rapide et tout en lui laissant la possibilité de déplacer de manière aisée le dispositif d'éclairage, au besoin. The present invention aims to meet this need by proposing a fastening system based on a clamping around the beam, comprising a body, which will be fixed to the lighting device, intended to be placed under the beam, at least one flange for be connected to the body passing over the beam, and clamping means of the flange or flanges on the beam, which allows the user to properly fix the lighting device to a beam in a simple manner and quick and while allowing him the ability to easily move the lighting device, as needed.
On souligne ici qu'un autre avantage de la présente invention est d'éviter l'opération de perçage, et donc d'une part de ne pas faire appel à des outils de perçage et, d'autre part, de conserver l'intégrité de la
poutrelle et ainsi de ne pas modifier ses caractéristiques mécaniques. Ce dernier point revêt une grande importance étant donné que la poutrelle fait partie d'une structure porteuse et, comme indiqué ci-dessus, participe aux reprises de charges. It is emphasized here that another advantage of the present invention is to avoid the drilling operation, and therefore on the one hand not to use drilling tools and, on the other hand, to maintain the integrity of the beam and so not to change its mechanical characteristics. This last point is of great importance since the beam is part of a load-bearing structure and, as indicated above, participates in load reversals.
La présente invention a donc pour objet un système de fixation d'un dispositif d'éclairage à une poutrelle ayant une sous-face destinée à être dirigée vers un volume à éclairer par le dispositif d'éclairage, caractérisé par le fait qu'il comprend : The present invention therefore relates to a system for fixing a lighting device to a beam having an underside intended to be directed towards a volume to be illuminated by the lighting device, characterized in that it comprises :
- un corps sur l'extérieur duquel est fixé ou est destiné à être fixé le dispositif d'éclairage, le corps ayant une direction longitudinale et étant en forme de U en section transversale, avec ainsi un fond et deux ailes, et apte à recevoir dans l'ouverture du U une partie de la poutrelle comprenant ladite sous-face, - a body on the outside of which is fixed or is intended to be fixed the lighting device, the body having a longitudinal direction and being U-shaped in cross section, with a bottom and two wings, and able to receive in the opening of the U part of the beam comprising said underside,
- au moins une bride ayant deux régions d'extrémité destinées chacune à être reliée à une aile respective du corps avec la partie de la bride entre lesdites deux régions d'extrémité entourant la partie de la poutrelle se trouvant hors du corps, et at least one flange having two end regions each intended to be connected to a respective wing of the body with the portion of the flange between said two end regions surrounding the portion of the beam lying outside the body, and
des moyens de serrage de la ou de chaque bride sur la poutrelle pour que chaque région d'extrémité de la ou de chaque bride tire sur l'aile respective du corps de façon à maintenir le corps en position sous la poutrelle . clamping means of the or each flange on the beam so that each end region of the or each flange pulls on the respective wing of the body so as to maintain the body in position under the beam.
La forme en U du corps lui permet d'être fixé de manière très aisée à une poutrelle par la ou les brides tout en répartissant de manière optimale les contraintes mécaniques imposées par celles-ci. The U-shaped body allows it to be attached very easily to a beam by the flange or flanges while optimally distributing the mechanical stresses imposed by them.
Enfin, la forme en U du corps est particulièrement adaptée à une fabrication par pliage d'un matériau en tôle tel que l'aluminium, ce procédé de
fabrication étant plus avantageux qu'un procédé d'extrusion ou de moulage de la matière. Finally, the U-shape of the body is particularly suitable for making by bending a sheet metal material such as aluminum, this method of manufacturing being more advantageous than a method of extruding or molding the material.
De préférence, la ou les brides sont transversales à la direction longitudinale du corps lorsque ce dernier est maintenu en position sous la poutrelle. Preferably, the flange or flanges are transverse to the longitudinal direction of the body when the latter is held in position under the beam.
Le dispositif d'éclairage peut comprendre une ou plusieurs sources de lumière. The lighting device may include one or more light sources.
La poutrelle utilisée avec le système de fixation selon la présente invention peut être réalisée en tout matériau présentant les propriétés mécaniques suffisantes pour la fonction de reprise de charges assurée par la poutrelle. Par exemple, la poutrelle pourrait être réalisée en métal, en béton, en bois, etc. The beam used with the fastening system according to the present invention can be made of any material having the mechanical properties sufficient for the load recovery function provided by the beam. For example, the beam could be made of metal, concrete, wood, etc.
De préférence, la poutrelle est réalisée en un matériau thermiquement conducteur, notamment en métal tel que l'acier, et le dispositif d'éclairage est relié à la poutrelle de façon à lui transférer, au moins par conduction thermique, au moins une partie de la chaleur dégagée par le dispositif d'éclairage, la poutrelle servant ainsi de dissipateur thermique. Preferably, the beam is made of a thermally conductive material, in particular metal such as steel, and the lighting device is connected to the beam so as to transfer, at least by thermal conduction, at least a portion of the heat released by the lighting device, the beam thus serving as a heat sink.
Dans un tel cas, le corps est avantageusement réalisé en matériau thermiquement conducteur de façon à assurer une fonction de dissipation thermique de la chaleur dégagée par le dispositif d'éclairage, le corps formant ainsi un dissipateur thermique et ce qui permet d'utiliser la poutrelle également comme dissipateur thermique. On pourra ainsi, si on le souhaite, se passer des blocs de dissipation de chaleur, tels que par exemple des blocs à ailettes pour des sources lumineuses à diodes électroluminescentes, qui sont habituellement prévus sur les dispositifs d'éclairage pour dissiper les calories apportées par ces derniers et maintenir ainsi la température de fonctionnement dans les plages optimales du
fabricant. Par conséquent, on peut réduire encore l'encombrement des dispositifs d'éclairage sans pénaliser la durée de vie des sources lumineuses. In such a case, the body is advantageously made of thermally conductive material so as to provide a heat dissipation function of the heat generated by the lighting device, the body thereby forming a heat sink and which allows the use of the beam also as heat sink. It will thus be possible, if desired, to dispense with heat-dissipating blocks, such as, for example, finned blocks for light-emitting diode light sources, which are usually provided on the lighting devices to dissipate the calories supplied by these and thus maintain the operating temperature in the optimal ranges of the maker. Consequently, the space requirement of the lighting devices can be further reduced without penalizing the service life of the light sources.
On souligne ici que la forme en U du corps lui permet également une dissipation efficace de la chaleur dégagée par le dispositif d'éclairage, puisqu'il offre à la fois une surface pour une dissipation par conduction vers la poutrelle, à savoir le fond du corps, et des surfaces pour une dissipation par rayonnement, à savoir les deux ailes. Le dispositif d'éclairage sera ainsi, de préférence, fixé ou destiné à être fixé sur l'extérieur du fond du corps. Ce système permet donc de fixer rapidement un dispositif d'éclairage à base de LED haute puissance sur la poutrelle tout en utilisant celle-ci dans la conduction et la convection de la chaleur généré par cette technologie. La fixation du dispositif d'éclairage directement sur la structure permet de laisser un maximum de dégagement en hauteur (plus de suspension) et de faire véhiculer par exemple des ponts roulants. It is emphasized here that the U-shape of the body also allows it to effectively dissipate the heat generated by the lighting device, since it offers both a surface for dissipation by conduction towards the beam, namely the bottom of the body, and surfaces for radiation dissipation, namely the two wings. The lighting device will thus preferably be fixed or intended to be fixed on the outside of the bottom of the body. This system makes it possible to quickly fix a lighting device based on high power LEDs on the beam while using it in the conduction and convection of the heat generated by this technology. Fixing the lighting device directly on the structure allows to leave a maximum of clearance in height (more suspension) and to convey for example cranes.
En particulier, afin de pouvoir assurer une dissipation thermique correcte, le corps selon la présente invention est dimensionné pour présenter une surface disponible pour la dissipation thermique qui soit suffisante compte tenu des dimensions de la poutrelle et du dispositif d'éclairage. In particular, in order to ensure proper heat dissipation, the body according to the present invention is sized to have a surface available for heat dissipation that is sufficient given the dimensions of the beam and the lighting device.
Par exemple, le corps pourra ainsi être dimensionné pour que la surface totale d'échange de chaleur avec la poutrelle et l'air extérieur soit au minimum de 200 cm2. For example, the body can be dimensioned so that the total surface of heat exchange with the beam and the outside air is at least 200 cm 2 .
Bien entendu, on pourra faire varier, au besoin et indépendamment l'une de l'autre, la longueur du fond du corps, une augmentation de celle-ci augmentant la capacité de dissipation thermique par conduction avec la poutrelle,
et/ou la surface des ailes, en faisant varier leur hauteur et/ou leur longueur, l'augmentation de leur surface permettant d'augmenter leur capacité de dissipation thermique par convection et par rayonnement. Of course, it will be possible to vary, if necessary and independently of one another, the length of the bottom of the body, an increase thereof increasing the capacity of heat dissipation by conduction with the beam, and / or the surface of the wings, by varying their height and / or length, the increase in their area to increase their capacity for heat dissipation by convection and radiation.
Par exemple, on pourra prévoir une ou plusieurs des dimensions suivantes : For example, one or more of the following dimensions may be provided:
la longueur du fond du corps, et de préférence également des ailes, se situe dans la plage allant de 100 à 500 mm, the length of the bottom of the body, and preferably also wings, is in the range of 100 to 500 mm,
- la hauteur des ailes se situe dans la plage allant de 100 à 200 mm, et - the height of the wings is in the range of 100 to 200 mm, and
l'épaisseur du fond et des ailes du corps se situe dans la plage allant de 3 à 10 mm. the thickness of the bottom and the wings of the body is in the range of 3 to 10 mm.
Avantageusement, les surfaces des ailes du corps sont traitées en surface de façon à augmenter leur capacité de dissipation thermique, par exemple par anodisation, ajout de laquage ou application de peinture. Advantageously, the surfaces of the wings of the body are surface treated so as to increase their heat dissipation capacity, for example by anodizing, addition of lacquering or paint application.
Le système de fixation selon la présente invention comprend avantageusement une couche de matière électriquement isolante et thermiquement conductrice, telle qu'une matière à base de silicone et fibre de verre, placée sur la face intérieure du fond du corps. The fastening system according to the present invention advantageously comprises a layer of electrically insulating and thermally conductive material, such as a material based on silicone and fiberglass, placed on the inner face of the bottom of the body.
De préférence, les moyens de serrage sont aptes à serrer la ou les brides sur la poutrelle pour plaquer le fond du corps contre la sous-face de la poutrelle, avec le cas échéant interposition d'une couche de matière électriquement isolante et thermiquement conductrice entre le fond du corps et la sous-face de la poutrelle, ce qui permet d'assurer un contact intime entre le fond et la sous-face et ainsi d'améliorer encore la dissipation de la chaleur dégagée par le dispositif d'éclairage. Preferably, the clamping means are capable of clamping the flange or flanges on the beam to press the bottom of the body against the underside of the beam, with the possible interposition of a layer of electrically insulating and thermally conductive material between the bottom of the body and the underside of the beam, which ensures an intimate contact between the bottom and the underside and thus further improve the dissipation of the heat generated by the lighting device.
Les moyens de serrage sont avantageusement de type à serrage rapide.
De préférence, le corps comprend, à chaque aile, au moins une patte se projetant en direction de l'autre aile du corps, les pattes étant destinées à venir en contact avec la poutrelle à la fois pour assurer un centrage automatique du corps par rapport à la poutrelle lors de la mise en place du corps sur la poutrelle et pour garantir un écartement entre la poutrelle et chaque aile suffisant pour ménager un espace favorisant la dissipation de chaleur par convection, effet de convection qui sera d'autant plus grand que les surfaces des ailes sont grandes. Ceci est particulièrement avantageux dans le cas d'utilisation de dispositif d'éclairage à partir de LED de forte puissance. The clamping means are advantageously of the quick-clamping type. Preferably, the body comprises, at each wing, at least one leg projecting towards the other wing of the body, the tabs being intended to come into contact with the beam at a time to ensure automatic centering of the body relative to to the beam during the establishment of the body on the beam and to ensure a spacing between the beam and each wing sufficient to provide space for convective heat dissipation, convection effect which will be even greater than the wing surfaces are large. This is particularly advantageous in the case of using a lighting device from high power LEDs.
Les pattes peuvent se situer au voisinage du fond du corps, de façon à venir en contact avec la partie de la poutrelle présentant ladite sous-face. The tabs may be located near the bottom of the body, so as to come into contact with the portion of the beam having said underside.
Peuvent être prévues deux pattes pour chaque aile, une patte à chaque extrémité dans la direction longitudinale du corps . There can be two legs for each wing, one leg at each end in the longitudinal direction of the body.
La ou chaque bride est avantageusement munie de moyens élastiques de maintien de la bride en position plaquée contre la partie de la poutrelle opposée à la sous- face, lesquels moyens élastiques peuvent être formés par des systèmes souples, à ressort, élastomères, à rondelles, etc. L'utilisation de moyens élastiques de maintien permet de compenser le desserrage de la bride qui peut intervenir au cours du temps ou en raison de vibrations de la poutrelle. L'objectif est d'assurer en permanence un contact thermique optimum entre la poutrelle et le dissipateur. Si la poutrelle est en acier et si on assure une bonne conduction thermique entre la poutrelle et le dissipateur, on peut considérer que 25% de dissipation peut effectivement se faire dans la poutrelle.
Chaque aile peut comprendre une partie inférieure, côté fond du corps, et une partie supérieure, opposée au côté fond du corps, et la partie supérieure est en décrochement vers l'autre l'aile par rapport à la partie inférieure. The or each flange is advantageously provided with elastic means for holding the flange in the pressed position against the portion of the beam opposite to the underside, which resilient means may be formed by flexible systems, spring-loaded, elastomeric, with washers, etc. The use of elastic holding means compensates for the loosening of the flange which may occur over time or because of vibration of the beam. The objective is to ensure optimum thermal contact between the beam and the dissipator at all times. If the beam is steel and if one ensures a good thermal conduction between the beam and the dissipator, one can consider that 25% of dissipation can actually be done in the beam. Each wing may comprise a lower part, bottom side of the body, and an upper part, opposite to the bottom side of the body, and the upper part is in recoil towards the other wing with respect to the lower part.
Est avantageusement prévue, pour chaque bride, une paire de pattes de bridage, une sur chaque aile, aptes à être reliées à une région d'extrémité respective de la bride, d'une manière, pour au moins l'une des pattes de bridage, permettant le serrage de la bride. Advantageously provided for each flange, a pair of clamping tabs, one on each wing, adapted to be connected to a respective end region of the flange, in a manner, for at least one of the clamping tabs , allowing clamping of the flange.
De préférence, les pattes de bridage s'étendent vers l'extérieur et vers le haut à partir du bord supérieur de chaque aile en formant avec l'horizontale un angle se situant dans la plage allant de 20 à 50°, de préférence un angle de 30°. Preferably, the clamping tabs extend outwardly and upwardly from the upper edge of each wing forming with the horizontal an angle in the range of 20 to 50 °, preferably an angle 30 °.
Chaque patte de bridage d'une même paire de pattes de bridage peut comporter une encoche partant d'un bord transversal de la patte de bridage et s 'achevant en un trou traversant, destiné au passage d'une région d'extrémité de la bride, l'encoche d'une patte de bridage débouchant, de préférence, dans le bord transversal opposé, dans la direction longitudinale du corps, à celui dans lequel débouche l'encoche de l'autre patte de bridage. Each clamping flange of the same pair of clamping lugs may comprise a notch extending from a transverse edge of the clamping flange and ending in a through hole, intended for the passage of an end region of the flange. , the notch of a clamping flange leading, preferably, in the opposite transverse edge, in the longitudinal direction of the body, to that in which opens the notch of the other clamping flange.
Une paire d'entailles peut être pratiquée dans chaque bord vertical de chaque aile du corps, les entailles étant, de préférence, inclinées vers le haut et l'entaille côté fond du corps étant, de préférence, plus longue que l'autre entaille de la même paire d'entailles. Ces entailles augmentent la surface disponible pour la convection et donc la capacité de dissipation du corps. A pair of notches may be formed in each vertical edge of each wing of the body, the notches preferably being inclined upwards and the notch at the bottom of the body being preferably longer than the other notch of the body. the same pair of nicks. These cuts increase the surface available for convection and thus the dissipation capacity of the body.
Peuvent être dans le fond du corps des trous traversants pour le passage d'organes de fixation du corps à la sous-face de la poutrelle, permettant une fixation du
dispositif d'éclairage à la poutrelle même dans le cas où la ou les brides ne peuvent pas être utilisées. Can be in the bottom of the body through holes for the passage of fasteners of the body to the underside of the beam, allowing a fixation of the lighting device to the beam even in the case where the flange or flanges can not be used.
Au moins un trou traversant peut être pratiqué dans le fond du corps, de façon à permettre le passage, à travers le corps, de câble (s) d'alimentation du ou des dispositifs d'éclairage. At least one through hole may be formed in the bottom of the body, so as to allow the passage, through the body, of cable (s) for supplying the lighting device or devices.
Le corps est avantageusement fait d'une seule pièce . The body is advantageously made of a single piece.
La présente invention a également pour objet un procédé de fixation d'un dispositif d'éclairage à une poutrelle à l'aide d'un système de fixation tel que défini ci-dessus, caractérisé par le fait qu'il comprend les étapes consistant à fixer le dispositif d'éclairage au corps en U du système de fixation, à placer le système de fixation sur la poutrelle, avec une partie de la poutrelle comprenant ladite sous-face reçue dans l'ouverture du U et la ou les brides entourant la partie de la poutrelle se trouvant hors du corps, et à serrer la ou les brides sur la poutrelle . The present invention also relates to a method of fixing a lighting device to a beam by means of a fastening system as defined above, characterized in that it comprises the steps of fix the lighting device to the U-shaped body of the fastening system, to place the fastening system on the beam, with a part of the beam comprising said under-face received in the opening of the U and the flange or flanges surrounding the part of the beam lying outside the body, and to tighten the flange (s) on the beam.
Pour mieux illustrer l'objet de la présente invention, on va en décrire ci-après un mode de réalisation particulier avec référence au dessin annexé. To better illustrate the object of the present invention, will be described hereinafter a particular embodiment with reference to the accompanying drawing.
Sur ce dessin : - la Figure 1 est une vue en perspective de dessus du corps du système de fixation selon la présente invention ; In this drawing: - Figure 1 is a perspective view from above of the body of the fastening system according to the present invention;
- les Figures 2, 3 et 4 sont des vues en plan du corps de la Figure 1, respectivement de côté, de face et de dessous ;
- la Figure 5 est une vue en perspective éclatée du système de fixation selon la présente invention, d'une poutrelle en IPE et d'un dispositif d'éclairage ; - les Figures 6, 7 et 8 sont des vues du système de fixation en position fixé sur une poutrelle en I, en vue respectivement en perspective, de dessous et de côté ; - Figures 2, 3 and 4 are plan views of the body of Figure 1, respectively side, front and bottom; - Figure 5 is an exploded perspective view of the fastening system according to the present invention, an IPE beam and a lighting device; - Figures 6, 7 and 8 are views of the fastening system in position fixed on an I-beam, respectively in perspective, from below and from side;
- la Figure 9 est une vue en coupe transversale de la poutrelle en IPE et du système de fixation représentés sur la Figure 8, prise le long de la ligne IX-IX sur la Figure 7 ; et Fig. 9 is a cross-sectional view of the IPE beam and fastening system shown in Fig. 8, taken along line IX-IX in Fig. 7; and
- les Figures 10 et 11 sont des vues respectivement en perspective et de côté d'un système de fixation fixé sur une poutrelle en oméga. - Figures 10 and 11 are respectively perspective and side views of a fastening system attached to an omega beam.
Si l'on se réfère aux Figures 1 à 4, on peut voir qu'un corps 1 du système de fixation selon le mode de réalisation particulier de la présente invention se présente sous la forme d'une tôle repliée pour prendre la forme d'un U en section transversale et qui comprend ainsi un fond 2 et deux ailes 3 de même hauteur. Referring to Figures 1 to 4, it can be seen that a body 1 of the fastening system according to the particular embodiment of the present invention is in the form of a folded sheet to take the form of a U in cross section and which thus comprises a bottom 2 and two wings 3 of the same height.
Les régions d'extrémité transversale 2a du fond 2 sont en trapèze et deux trous traversants 2b, dont la fonction sera explicitée ci-après, sont pratiqués dans chaque région d'extrémité 2a. Un trou traversant 2c, de plus grand diamètre que les trous 2b, est pratiqué le long d'un bord longitudinal du fond 2, au centre du fond 2 dans la direction longitudinale du corps, pour permettre le passage de câble (s) d'alimentation du dispositif d'éclairage. Deux petits trous traversants 2e sont pratiqués au centre du fond 2, pour la fixation d'un dispositif d'éclairage.
Chaque aile 3 comprend une partie inférieure 3a et une partie supérieure 3b, respectivement au voisinage et à distance du fond 2, reliées par une partie de transition inclinée 3c dont la paroi intérieure est tournée vers le fond 2 et dont la paroi extérieure est tournée vers le haut. La partie supérieure 3b est ainsi décrochée vers l'intérieur par rapport à la partie inférieure 3a. The transverse end regions 2a of the bottom 2 are trapezoidal and two through holes 2b, whose function will be explained below, are practiced in each end region 2a. A through hole 2c, of larger diameter than the holes 2b, is made along a longitudinal edge of the bottom 2, in the center of the bottom 2 in the longitudinal direction of the body, to allow the passage of cable (s) of power supply of the lighting device. Two small through holes 2e are made in the center of the bottom 2, for fixing a lighting device. Each wing 3 comprises a lower part 3a and an upper part 3b, respectively in the vicinity and away from the bottom 2, connected by an inclined transition portion 3c whose inner wall is turned towards the bottom 2 and whose outer wall is turned towards the top. The upper part 3b is thus unhooked inwards relative to the lower part 3a.
A la base de chaque aile 3 sont formées deux pattes 4 de centrage automatique et d ' écartement , une à chacun des deux bords verticaux de l'aile 3. Ces pattes 4 sont repliées vers l'ouverture du U formé par le corps 1 et forment un angle d'environ 30° par rapport au plan moyen de la partie inférieure 3a de l'aile 3 correspondante. At the base of each wing 3 are formed two lugs 4 of automatic centering and spacing, one each of the two vertical edges of the wing 3. These lugs 4 are folded towards the opening of the U formed by the body 1 and form an angle of about 30 ° relative to the mean plane of the lower part 3a of the corresponding wing 3.
Une patte de bridage 5, de forme globalement rectangulaire, s'étend vers l'extérieur et vers le haut à partir du bord longitudinal libre 3d de chaque aile 3. Chaque patte de bridage 5 est inclinée d'environ 25° par rapport au plan moyen de la partie supérieure 3b de l'aile 3 correspondante. A clamping tab 5, of generally rectangular shape, extends outwardly and upwardly from the free longitudinal edge 3d of each wing 3. Each clamping flange 5 is inclined by about 25.degree. means of the upper part 3b of the corresponding wing 3.
Une encoche 5a est pratiquée à partir de l'un des bords transversaux 5b, 5c, perpendiculairement à celui-ci, et s'achève en un trou traversant oblong 5d dont l'axe est globalement au centre de la patte de bridage 5. A notch 5a is made from one of the transverse edges 5b, 5c, perpendicular to it, and ends in an oblong through hole 5d whose axis is generally at the center of the clamping flange 5.
Enfin, deux entailles 3e, 3f sont pratiquées en partie supérieure de chacun des deux bords verticaux de chaque aile 3, l'une au-dessus de l'autre. Les entailles 3e, 3f sont inclinées vers le haut. L'entaille 3e, côté fond 2, est légèrement plus longue que l'entaille 3f. Finally, two notches 3e, 3f are made in the upper part of each of the two vertical edges of each wing 3, one above the other. Notches 3e, 3f are inclined upwards. The notch 3e, bottom side 2, is slightly longer than the notch 3f.
Dans l'exemple représenté, l'épaisseur de la tôle, globalement constante, est de 5 mm et les dimensions de la tôle sont choisies de telle sorte que :
- la longueur du fond 2, mesurée suivant la direction longitudinale du corps 1 et entre les deux bords transversaux 2a du fond 2, est de 240 mm, In the example shown, the thickness of the sheet, which is generally constant, is 5 mm and the dimensions of the sheet are chosen so that: the length of the bottom 2, measured in the longitudinal direction of the body 1 and between the two transverse edges 2a of the bottom 2, is 240 mm,
- la hauteur des ailes 3, mesurée suivant la verticale et entre la paroi extérieure du fond 2 et le bord longitudinal libre de l'une des pattes de bridage 5, est de 155 mm, the height of the wings 3, measured vertically and between the outer wall of the bottom 2 and the free longitudinal edge of one of the clamping lugs 5, is 155 mm,
la distance séparant le point d'extrémité d'une patte 4 du point d'extrémité de l'autre patte 4 d'une même aile 3, mesurée suivant la direction longitudinale du corps the distance separating the end point of one leg 4 from the end point of the other leg 4 of the same wing 3, measured in the longitudinal direction of the body
1, est de 246 mm, et 1, is 246 mm, and
la distance entre les deux bords longitudinaux libres des deux pattes de bridage 5, mesurée suivant la direction transversale du corps 1, est de 130 mm, the distance between the two free longitudinal edges of the two clamping lugs 5, measured in the transverse direction of the body 1, is 130 mm,
- l'écartement entre les deux parois intérieures des parties supérieures 3b des deux ailes 3 est de 70 mm, etthe spacing between the two inner walls of the upper parts 3b of the two wings 3 is 70 mm, and
- l'écartement entre les deux parois extérieures des parties inférieures 3a des deux ailes 3 est de 100 mm. - The spacing between the two outer walls of the lower parts 3a of the two wings 3 is 100 mm.
Les dimensions ci-dessus sont données à titre d'exemple pour une utilisation avec les poutrelles représentées sur les Figures 5 à 11 et un dispositif d'éclairage à LED d'une puissance de 8000 lm. The above dimensions are given by way of example for use with the beams shown in FIGS. 5 to 11 and an LED lighting device with a power of 8000 lm.
On va maintenant décrire la manière dont le système de fixation selon la présente invention permet de fixer de manière aisée et simple un dispositif d'éclairage à une poutrelle en IPE avec référence aux Figures 5 à 9. We will now describe how the fastening system according to the present invention allows to easily and simply fix a lighting device to an IPE beam with reference to Figures 5 to 9.
Si l'on se réfère tout d'abord à la Figure 5, on peut voir que le système de fixation comprend également une bride 6 et des moyens de serrage 7. Referring first to FIG. 5, it can be seen that the fastening system also comprises a flange 6 and clamping means 7.
La bride 6 est formée par un fil ou filin métallique, par exemple d'acier, muni d'un organe d'arrêt 6a à une première extrémité, l'organe d'arrêt 6a présentant
une surface d'arrêt perpendiculaire à l'axe du fil et tournée à l'opposé de ladite première extrémité. The flange 6 is formed by a wire or wire, for example steel, provided with a stop member 6a at a first end, the stop member 6a having a stop surface perpendicular to the axis of the wire and facing away from said first end.
Les moyens de serrage 7 comprennent, d'une part, une tige filetée 6b solidaire de l'autre extrémité de la bride 6, un premier écrou à embase 6c enfilé sur la tige filetée 6b et dont l'embase est tournée vers l'extrémité libre de la tige filetée 6b, et, d'autre part, un second écrou à embase 6d destiné à venir prendre en sandwich une patte de bridage 5 avec le premier écrou à embase 6c. The clamping means 7 comprise, on the one hand, a threaded rod 6b secured to the other end of the flange 6, a first flange nut 6c threaded onto the threaded rod 6b and whose base is turned towards the end free of the threaded rod 6b, and secondly a second flange nut 6d for sandwiching a clamping flange 5 with the first flange nut 6c.
La poutrelle en IPE 8 est classique et comprend ainsi une âme 8a et deux ailes 8b, 8c, la face extérieure de l'aile 8b constituant la sous-face destinée à être tournée vers le sol. The beam IPE 8 is conventional and thus comprises a core 8a and two wings 8b, 8c, the outer face of the wing 8b constituting the underside intended to be turned towards the ground.
Le dispositif d'éclairage 9 est un dispositif à diode (s) électroluminescente ( s ) de forte puissance, connu en soi, et comprend une partie source de lumière 10, un guide d'ondes 11 que l'on fixe à la partie source de lumière 10 et des vis 12 que l'on visse dans les trous 2e du fond 2 pour fixer le dispositif d'éclairage 9 au corps 1. Le ou les câbles d'alimentation de la partie source de lumière 10 sont passés à travers le trou traversant 2c du corps 1. The lighting device 9 is a device of high power electroluminescent diode (s), known per se, and comprises a light source part 10, a waveguide 11 which is fixed to the source part light 10 and screws 12 which are screwed into the holes 2 of the bottom 2 to fix the lighting device 9 to the body 1. The supply cable or cables of the light source portion 10 are passed through the through hole 2c of the body 1.
De préférence, la partie source de lumière 10 consiste en un système de support de la source de lumière en tant que telle, dans le cas présent une diode électroluminescente, système par lequel on fixe le dispositif d'éclairage 9 au corps 1. La diode électroluminescente est montée de manière amovible sur le système de support pour être interchangeable, ce qui permet à l'utilisateur de changer uniquement la diode, et non l'ensemble de la partie source de lumière 10, par exemple lorsqu'il souhaite utiliser une diode d'une autre puissance. De la même manière, le guide d'ondes 11 est
monté de manière amovible sur la partie source de lumière 10, en particulier le système de support, permettant à l'utilisateur de modifier aisément l'angle de diffusion du dispositif d'éclairage 9 par remplacement par un autre guide d'ondes. Preferably, the light source portion 10 consists of a support system of the light source as such, in this case a light emitting diode, system by which the lighting device 9 is fixed to the body 1. The diode electroluminescent is removably mounted on the support system to be interchangeable, allowing the user to change only the diode, not the entire light source portion 10, for example when it wishes to use a diode another power. In the same way, the waveguide 11 is removably mounted on the light source portion 10, in particular the support system, allowing the user to easily change the diffusion angle of the illumination device 9 by replacement with another waveguide.
On constate donc que la partie source de lumière 10 est au contact, ou au moins à proximité étroite, du corps 1. It is therefore found that the light source portion 10 is in contact with, or at least close proximity to, the body 1.
Si l'on se réfère maintenant aux Figures 6 à 9, on peut voir que le corps 1, et le dispositif d'éclairage 9 fixé à celui-ci, est maintenu en position sous la poutrelle 8 par bridage à l'aide de la bride 6 et des moyens de serrage 7. Referring now to Figures 6 to 9, it can be seen that the body 1, and the lighting device 9 attached thereto, is held in position under the beam 8 by clamping using the flange 6 and clamping means 7.
Plus précisément, le corps 1 est placé sous la poutrelle 8 avec la direction longitudinale du corps 1 coaxiale à celle de la poutrelle 8, et enfilé sur celle-ci pour que l'aile 8b, présentant ladite sous-face, se situe dans l'ouverture du U, jusqu'à venir en contact avec la paroi intérieure du fond 2 pour une conduction thermique entre le fond 2 et la poutrelle 8 qui sert alors de dissipateur thermique. More specifically, the body 1 is placed under the beam 8 with the longitudinal direction of the body 1 coaxial with that of the beam 8, and threaded on it so that the wing 8b, having said underside, is located in the opening of the U, until coming into contact with the inner wall of the bottom 2 for thermal conduction between the bottom 2 and the beam 8 which then serves as a heat sink.
Dans cette position, chaque aile 3 est en regard d'une partie de l'âme 2a, les pattes 4 sont en contact avec les bords longitudinaux de l'aile 8b de la poutrelle 8 et un espace, pour dissipation thermique par convection, est ménagé entre l'aile 8b de la poutrelle 8 et les parties inférieures 3a des ailes 3. Ledit espace est visible sur la Figure 9, les flèches illustrant l'effet de dissipation par convection. Par ailleurs, le ou les câbles d'alimentation du dispositif d'éclairage 9 sont disposés pour s'étendre le long de la poutrelle 8 jusqu'à un boîtier d'alimentation, en utilisant la poutrelle 8 comme chemin de câble ( s ) .
On souligne ici que les différentes dimensions du corps 1, mentionnées ci-dessus, sont choisies pour assurer une résistance mécanique et une dissipation thermique suffisante, en fonction des dimensions de la poutrelle avec laquelle le système de fixation est utilisé et des caractéristiques du dispositif d'éclairage qui sera fixé au corps . In this position, each wing 3 is facing a portion of the core 2a, the tabs 4 are in contact with the longitudinal edges of the flange 8b of the beam 8 and a space, for convective heat dissipation, is arranged between the wing 8b of the beam 8 and the lower parts 3a of the wings 3. Said space is visible in Figure 9, the arrows illustrating the effect of convective dissipation. Furthermore, the power supply cable (s) of the lighting device 9 are arranged to extend along the beam 8 to a power supply unit, using the beam 8 as the cable path (s). It is emphasized here that the various dimensions of the body 1, mentioned above, are chosen to ensure sufficient mechanical strength and heat dissipation, depending on the dimensions of the beam with which the fastening system is used and the characteristics of the device. lighting that will be attached to the body.
Le corps 1 est maintenu dans cette position optimale par la bride 6, dont la première extrémité est introduite dans le trou oblong 5d en passant par l'encoche 5a d'une première patte de bridage 5, la surface d'arrêt de l'élément d'arrêt 6b venant en butée contre la face inférieure de la patte de bridage 5. Après avoir fait passer la bride 6 sur l'aile 8c de la poutrelle 8, opposée à ladite sous-face, l'autre extrémité de la bride 6 est introduite de la même manière dans le trou oblong 5d de l'autre patte de bridage 5, avec le premier écrou à embase 6c au-dessus de la patte de bridage 5 et une partie de la tige filetée 6b en saillie sous la patte de bridage 5, puis le second écrou à embase 6d est vissé sur la tige filetée 6b pour venir avec son embase contre la face inférieure de la patte de bridage 5 et serrer cette dernière contre l'embase du premier écrou à embase 6c. The body 1 is held in this optimal position by the flange 6, the first end of which is introduced into the oblong hole 5d via the notch 5a of a first clamping flange 5, the stop surface of the element 6b abutting against the lower face of the clamping flange 5. After passing the flange 6 on the flange 8c of the beam 8, opposite said underside, the other end of the flange 6 is introduced in the same manner into the oblong hole 5d of the other clamping flange 5, with the first flange nut 6c above the flange 5 and a portion of the threaded rod 6b projecting under the flange of 5, then the second flange nut 6d is screwed onto the threaded rod 6b to come with its base against the underside of the clamping flange 5 and clamp the latter against the base of the first flange nut 6c.
On constate donc que la fixation du corps 1, et donc du dispositif d'éclairage 9, sur la poutrelle 8 par la bride 6 est particulièrement simple, rapide, efficace, avec un positionnement correct automatique du fait des pattes de centrage 4 venant en contact avec l'aile 8b de la poutrelle 8, sans affecter l'intégrité de la poutrelle 8, et un démontage tout aussi rapide par simple desserrement de l'écrou 6d. It can thus be seen that the fixing of the body 1, and thus of the lighting device 9, on the beam 8 by the flange 6 is particularly simple, fast, efficient, with an automatic correct positioning due to the centering tabs 4 coming into contact with each other. with the wing 8b of the beam 8, without affecting the integrity of the beam 8, and disassembly just as fast simply by loosening the nut 6d.
Le système de fixation selon la présente invention n'est pas limité à un profil particulier de
poutrelle, lequel peut être quelconque, par exemple, un profil en IPE, en C, en Z, en oméga, à double cornière, etc., qui sont des profils ouverts. The fastening system according to the present invention is not limited to a particular profile of beam, which can be any, for example, a profile IPE, C, Z, omega, double angle, etc., which are open profiles.
La poutrelle pourrait également être pleine, comme par exemple une poutrelle béton pleine. The beam could also be full, such as a solid concrete beam.
La poutrelle pourrait également avoir un profil de section fermée et creuse, et être ainsi un élément tubulaire. En variante, la poutrelle peut avoir un profil de section ouverte, tel qu'en IPE, en C, en Z, à double cornière, un profilé mince en oméga, etc., et une bande de matériau est fixée le long des bords des deux ailes du profil pour fermer au moins une ouverture de la section ouverte de la poutrelle. The beam could also have a closed and hollow section profile, and thus be a tubular element. Alternatively, the beam may have an open section profile, such as IPE, C, Z, double angle, a thin section of omega, etc., and a strip of material is fixed along the edges of the beams. two wings of the profile for closing at least one opening of the open section of the beam.
Ainsi, dans le cas d'une poutrelle en profilé mince en oméga, une bande de matériau, par exemple de tôle, peut être fixée à la poutrelle, en regard de l'âme, de façon à obtenir une poutrelle de section fermée et creuse. Thus, in the case of a beam of omega thin section, a strip of material, for example sheet metal, can be attached to the beam, opposite the core, so as to obtain a beam of closed and hollow section .
Pour illustrer le fait que le système de fixation selon la présente invention n'est pas limité à une poutrelle en IPE, on a représenté sur les Figures 10 et 11 le système de fixation fixé sur une poutrelle en profilé mince en oméga 13. To illustrate the fact that the fastening system according to the present invention is not limited to an IPE beam, FIGS. 10 and 11 show the fastening system fastened to a beam of omega 13 thin section.
La poutrelle 13, symétrique par rapport à un plan longitudinal central, est un profilé mince métallique, par exemple en acier, qui comprend une âme ou flanc 13a reliant deux ailes 13b, 13c. Un décrochement 13d est réalisé dans l'âme 13a, sur toute la longueur de cette dernière, en formant des première et seconde surfaces 13e, 13f inclinées en étant tournées vers l'extérieur et à l'opposé respectivement de l'aile 13b et de l'aile 13c. L'aile 13b, 13c est repliée d'équerre à sa région de bordure libre de façon à former une paroi latérale respectivement 13g, 13h.
Le corps 1 est fixé à la poutrelle 13 par la bride 6 de la même manière que pour la poutrelle en IPE 8, l'aile 13b de la poutrelle 13 étant placée en contact de la paroi intérieure du fond 2, les ailes 3 étant en regard d'une partie de l'âme 13a et la bride 6 prenant appui sur la paroi extérieure de l'autre aile 13c de la poutrelle 13. On peut souligner ici le fait que la présence des pattes 4 pour écarter les ailes 3 de la poutrelle 13 est particulièrement avantageuse lorsque la poutrelle est du type en oméga, car même dans ce cas, où l'âme est décentrée, on ménage un espace suffisant pour autoriser une dissipation par convection. The beam 13, symmetrical about a central longitudinal plane, is a thin metal profile, for example steel, which comprises a core or flank 13a connecting two wings 13b, 13c. A recess 13d is formed in the core 13a, over the entire length of the latter, forming first and second surfaces 13e, 13f inclined being facing outwards and opposite respectively of the wing 13b and the wing 13c. The wing 13b, 13c is folded square to its free edge region so as to form a side wall respectively 13g, 13h. The body 1 is fixed to the beam 13 by the flange 6 in the same manner as for the beam IPE 8, the flange 13b of the beam 13 being placed in contact with the inner wall of the bottom 2, the flanges 3 being in position. view of a portion of the core 13a and the flange 6 bearing on the outer wall of the other flange 13c of the beam 13. It may be emphasized here that the presence of the legs 4 to spread the wings 3 of the Beam 13 is particularly advantageous when the beam is of the omega type, because even in this case, where the core is off-center, there is room for sufficient space to allow dissipation by convection.
Comme représenté sur les Figures 5 à 11, le système de fixation selon la présente invention peut être adapté sur des poutrelles dont la partie supérieure est libre . As shown in Figures 5 to 11, the fastening system according to the present invention can be adapted on beams whose upper part is free.
Le système de fixation peut à l'évidence être utilisé dans le cas où la poutrelle supporte une couverture formée par un bac ondulé. Les ondes du bac, généralement espacées de 30 cm, étant perpendiculaires à la poutrelle, le système de fixation peut être placé sur la poutrelle au niveau du passage d'une onde, la ou les brides passant dans l'ouverture formée entre la poutrelle et la face intérieure de l'onde. The fastening system can obviously be used in the case where the beam supports a cover formed by a corrugated tray. The waves of the tank, generally spaced by 30 cm, being perpendicular to the beam, the fixing system can be placed on the beam at the passage of a wave, the flange or flanges passing through the opening formed between the beam and the inner face of the wave.
II est bien entendu que le mode de réalisation particulier qui vient d'être décrit a été donné à titre indicatif et non limitatif et que des modifications peuvent être apportées sans que l'on s'écarte pour autant du cadre de la présente invention. It is understood that the particular embodiment which has just been described has been given as an indication and not limitation and that modifications can be made without departing from the scope of the present invention.
Ainsi, bien que cela n'ait pas été représenté, il est possible et avantageux de placer une couche de matière électriquement isolante et thermiquement conductrice, telle qu'une matière à base de silicone et fibre de verre, par
exemple une matière Sil Pad®, sur le fond du corps, laquelle couche de matière formera une interface entre le fond et la sous-face de la poutrelle.
Thus, although it has not been shown, it is possible and advantageous to place a layer of electrically insulating and thermally conductive material, such as a silicone-based material and fiberglass, by a Sil Pad® material, on the bottom of the body, which layer of material will form an interface between the bottom and the underside of the beam.
Claims
REVENDICATIONS
1 - Système de fixation d'un dispositif d'éclairage (9) à une poutrelle (8, 13) ayant une sous-face destinée à être dirigée vers un volume à éclairer par le dispositif d'éclairage (9), caractérisé par le fait qu'il comprend : 1 - System for fixing a lighting device (9) to a beam (8, 13) having an underside intended to be directed towards a volume to be illuminated by the lighting device (9), characterized by the fact that it includes:
- un corps (1) sur l'extérieur duquel est fixé ou est destiné à être fixé le dispositif d'éclairage (9), le corps (1) ayant une direction longitudinale et étant en forme de U en section transversale, avec ainsi un fond - a body (1) on the exterior of which the lighting device (9) is fixed or is intended to be fixed, the body (1) having a longitudinal direction and being U-shaped in cross section, thus with a bottom
(2) et deux ailes (3), et apte à recevoir dans l'ouverture du U une partie de la poutrelle (8, 13) comprenant ladite sous-face, (2) and two wings (3), and capable of receiving in the opening of the U a part of the beam (8, 13) comprising said underside,
- au moins une bride (6) ayant deux régions d'extrémité destinées chacune à être reliée à une aile respective- at least one flange (6) having two end regions each intended to be connected to a respective wing
(3) du corps (1) avec la partie de la bride (6) entre lesdites deux régions d'extrémité entourant la partie de la poutrelle (8, 13) se trouvant hors du corps (1), et - des moyens de serrage (7) de la ou de chaque bride (6) sur la poutrelle (8, 13) pour que chaque région d'extrémité de la ou de chaque bride (6) tire sur l'aile respective (3) du corps (1) de façon à maintenir le corps (1) en position sous la poutrelle (8, 13) . (3) of the body (1) with the part of the flange (6) between said two end regions surrounding the part of the beam (8, 13) located outside the body (1), and - clamping means (7) of the or each flange (6) on the beam (8, 13) so that each end region of the or each flange (6) pulls on the respective wing (3) of the body (1) so as to maintain the body (1) in position under the beam (8, 13).
2 - Système de fixation selon la revendication 1, destiné à fixer au moins un dispositif d'éclairage (9) à une poutrelle (8, 13) réalisée en un matériau thermiquement conducteur, caractérisé par le fait que le corps (1) est réalisé en matériau thermiquement conducteur de façon à assurer une fonction de dissipation thermique de la chaleur dégagée par le dispositif d'éclairage (9) . 2 - Fixing system according to claim 1, intended to fix at least one lighting device (9) to a beam (8, 13) made of a thermally conductive material, characterized in that the body (1) is made made of thermally conductive material so as to ensure a thermal dissipation function for the heat released by the lighting device (9).
3 - Système de fixation selon la revendication 2, caractérisé par le fait que le corps est dimensionné pour
que la surface totale d'échange de chaleur avec la poutrelle et l'air extérieur soit au minimum de 200 cm2. 3 - Fixing system according to claim 2, characterized in that the body is dimensioned for that the total heat exchange surface with the beam and the outside air is at least 200 cm 2 .
4 - Système de fixation selon l'une des revendications 2 et 3, caractérisé par le fait qu'il comprend une couche de matière électriquement isolante et thermiquement conductrice, telle qu'une matière à base de silicone et fibre de verre, placée sur la face intérieure du fond (2) du corps (1) . 4 - Fastening system according to one of claims 2 and 3, characterized in that it comprises a layer of electrically insulating and thermally conductive material, such as a material based on silicone and fiberglass, placed on the interior face of the bottom (2) of the body (1).
5 - Système de fixation selon l'une des revendications 1 à 4, caractérisé par le fait que les moyens de serrage (7) sont aptes à serrer la ou les brides (6) sur la poutrelle (8, 13) pour plaquer le fond (2) du corps (1) contre la sous-face de la poutrelle (8, 13), avec le cas échéant interposition d'une couche de matière électriquement isolante et thermiquement conductrice entre le fond (2) du corps (1) et la sous-face de la poutrelle (8, 13) . 5 - Fixing system according to one of claims 1 to 4, characterized in that the clamping means (7) are capable of tightening the flange(s) (6) on the beam (8, 13) to press the bottom (2) of the body (1) against the underside of the beam (8, 13), with where appropriate interposition of a layer of electrically insulating and thermally conductive material between the bottom (2) of the body (1) and the underside of the beam (8, 13).
6 - Système de fixation selon l'une des revendications 1 à 5, caractérisé par le fait que les moyens de serrage (7) sont de type à serrage rapide. 6 - Fastening system according to one of claims 1 to 5, characterized in that the clamping means (7) are of the quick-tightening type.
7 - Système de fixation selon l'une des revendications 1 à 6, caractérisé par le fait que le corps (1) comprend, à chaque aile (3), au moins une patte (4) se projetant en direction de l'autre aile (3) du corps (1), les pattes (4) étant destinées à venir en contact avec la poutrelle (8, 13) à la fois pour assurer un centrage automatique du corps (1) par rapport à la poutrelle (8, 13) lors de la mise en place du corps (1) sur la poutrelle (8, 13) et pour garantir un écartement entre la poutrelle (8, 13) et chaque aile (3) suffisant pour ménager un espace favorisant la dissipation de chaleur par convection. 7 - Fixing system according to one of claims 1 to 6, characterized in that the body (1) comprises, at each wing (3), at least one tab (4) projecting towards the other wing (3) of the body (1), the tabs (4) being intended to come into contact with the beam (8, 13) at the same time to ensure automatic centering of the body (1) relative to the beam (8, 13) ) when placing the body (1) on the beam (8, 13) and to guarantee a spacing between the beam (8, 13) and each wing (3) sufficient to provide a space promoting heat dissipation by convection.
8 - Système de fixation selon la revendication 7, caractérisé par le fait que les pattes (4) se situent au
voisinage du fond (2) du corps (1), de façon à venir en contact avec la partie de la poutrelle (8, 13) présentant ladite sous-face. 8 - Fixing system according to claim 7, characterized in that the tabs (4) are located at the vicinity of the bottom (2) of the body (1), so as to come into contact with the part of the beam (8, 13) presenting said underside.
9 - Système de fixation selon l'une des revendications 7 et 8, caractérisé par le fait que sont prévues deux pattes (4) pour chaque aile (3), une patte (4) à chaque extrémité dans la direction longitudinale du corps (1) · 9 - Fixing system according to one of claims 7 and 8, characterized in that two tabs (4) are provided for each wing (3), one tab (4) at each end in the longitudinal direction of the body (1 ) ·
10 - Système de fixation selon l'une des revendications 1 à 9, caractérisé par le fait que chaque aile (3) comprend une partie inférieure (3a), côté fond (2) du corps (1), et une partie supérieure (3b), opposée au côté fond (2) du corps (1), et la partie supérieure (3b) est en décrochement vers l'autre l'aile (3) par rapport à la partie inférieure (3a) . 10 - Fastening system according to one of claims 1 to 9, characterized in that each wing (3) comprises a lower part (3a), bottom side (2) of the body (1), and an upper part (3b ), opposite the bottom side (2) of the body (1), and the upper part (3b) is offset towards the other wing (3) relative to the lower part (3a).
11 - Système de fixation selon l'une des revendications 1 à 10, caractérisé par le fait qu'est prévue, pour chaque bride (6), une paire de pattes de bridage (5), une sur chaque aile (3), aptes à être reliées à une région d'extrémité respective de la bride (6), d'une manière, pour au moins l'une des pattes de bridage (5), permettant le serrage de la bride (6) . 11 - Fixing system according to one of claims 1 to 10, characterized in that there is provided, for each flange (6), a pair of clamping lugs (5), one on each wing (3), suitable to be connected to a respective end region of the flange (6), in a way, for at least one of the clamping lugs (5), allowing the clamping of the flange (6).
12 - Système de fixation selon la revendication 11, caractérisé par le fait que les pattes de bridage (5) s'étendent vers l'extérieur et vers le haut à partir du bord supérieur (3d) de chaque aile (3) en formant avec l'horizontale un angle se situant dans la plage allant de 20 à 50°, de préférence un angle de 30°. 12 - Fastening system according to claim 11, characterized in that the clamping tabs (5) extend outwards and upwards from the upper edge (3d) of each wing (3) forming with the horizontal an angle lying in the range of 20 to 50°, preferably an angle of 30°.
13 - Système de fixation selon l'une des revendications 1 à 12, caractérisé par le fait que le corps 13 - Fixing system according to one of claims 1 to 12, characterized in that the body
(1) est fait d'une seule pièce. (1) is made in one piece.
14 - Procédé de fixation d'un dispositif d'éclairage (9) à une poutrelle (8, 13) à l'aide d'un
système de fixation tel que défini à l'une des revendications 1 à 13, caractérisé par le fait qu'il comprend les étapes consistant à fixer le dispositif d'éclairage (9) au corps en U (1) du système de fixation, à placer le système de fixation sur la poutrelle (8, 13), avec une partie de la poutrelle (8, 13) comprenant ladite sous-face reçue dans l'ouverture du U et la ou les brides (6) entourant la partie de la poutrelle (8, 13) se trouvant hors du corps (1), et à serrer la ou les brides (6) sur la poutrelle (8, 13) .
14 - Method for fixing a lighting device (9) to a beam (8, 13) using a fixing system as defined in one of claims 1 to 13, characterized in that it comprises the steps consisting of fixing the lighting device (9) to the U-shaped body (1) of the fixing system, place the fixing system on the beam (8, 13), with a part of the beam (8, 13) comprising said underside received in the opening of the U and the flange(s) (6) surrounding the part of the beam (8, 13) located outside the body (1), and tightening the flange(s) (6) on the beam (8, 13).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1359668A FR3011616B1 (en) | 2013-10-04 | 2013-10-04 | SYSTEM AND METHOD FOR FASTENING A CLAMP LIGHTING DEVICE ON A BEAM |
FR1359668 | 2013-10-04 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2015049473A2 true WO2015049473A2 (en) | 2015-04-09 |
WO2015049473A3 WO2015049473A3 (en) | 2015-06-11 |
Family
ID=49817003
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2014/052510 WO2015049473A2 (en) | 2013-10-04 | 2014-10-03 | System and method for securing an illumination device by clamping to a girder |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR3011616B1 (en) |
WO (1) | WO2015049473A2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3470726B1 (en) * | 2017-10-12 | 2020-11-18 | OSRAM GmbH | A fastening device for fastening lighting devices to a false ceiling |
CN113390035A (en) * | 2021-07-09 | 2021-09-14 | 广东三谷照明科技有限公司 | Flexible track lighting equipment |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070294980A1 (en) | 2006-06-26 | 2007-12-27 | Greg Coley | Methods and apparatus for the aesthetic enhancement of screened enclosures |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1362525A (en) * | 1963-04-02 | 1964-06-05 | Removable ceiling | |
US3429538A (en) * | 1967-04-11 | 1969-02-25 | Natale Machine & Tool Co | Lamp bracket assembly |
DE8912630U1 (en) * | 1989-10-24 | 1991-03-07 | Lisega GmbH, 2730 Zeven | Support clamp for holding components, e.g. for pipes etc. |
FR2815655B1 (en) * | 2000-10-25 | 2003-08-29 | Etanco L R | DEVICE FOR FIXING A PROFILE ON A BEAM OR A POUTRELLE |
US8337037B2 (en) * | 2010-01-20 | 2012-12-25 | Larry D. Hopkins | Mounting bracket |
US8177385B2 (en) * | 2010-03-11 | 2012-05-15 | Silvio Porciatti | T-bar for suspended ceiling with heat dissipation system for LED lighting |
FR2964174B1 (en) * | 2010-08-24 | 2016-12-23 | Airbus Operations Sas | DEVICE FOR HANGING A SUSPENSION OF AN OBJECT TO A SUPPORT STRUCTURE |
NL1038871C2 (en) * | 2011-06-14 | 2012-12-17 | Reichert Beheer B V | LIGHTING SYSTEM. |
-
2013
- 2013-10-04 FR FR1359668A patent/FR3011616B1/en not_active Expired - Fee Related
-
2014
- 2014-10-03 WO PCT/FR2014/052510 patent/WO2015049473A2/en active Application Filing
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070294980A1 (en) | 2006-06-26 | 2007-12-27 | Greg Coley | Methods and apparatus for the aesthetic enhancement of screened enclosures |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3470726B1 (en) * | 2017-10-12 | 2020-11-18 | OSRAM GmbH | A fastening device for fastening lighting devices to a false ceiling |
CN113390035A (en) * | 2021-07-09 | 2021-09-14 | 广东三谷照明科技有限公司 | Flexible track lighting equipment |
Also Published As
Publication number | Publication date |
---|---|
WO2015049473A3 (en) | 2015-06-11 |
FR3011616A1 (en) | 2015-04-10 |
FR3011616B1 (en) | 2015-10-30 |
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