EP0747628B1 - Dispositif d'éclairage et de câblage pour bâtiments avec rainures longitudinales et appareilage électrique associée - Google Patents

Dispositif d'éclairage et de câblage pour bâtiments avec rainures longitudinales et appareilage électrique associée Download PDF

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Publication number
EP0747628B1
EP0747628B1 EP96201537A EP96201537A EP0747628B1 EP 0747628 B1 EP0747628 B1 EP 0747628B1 EP 96201537 A EP96201537 A EP 96201537A EP 96201537 A EP96201537 A EP 96201537A EP 0747628 B1 EP0747628 B1 EP 0747628B1
Authority
EP
European Patent Office
Prior art keywords
channel
pair
central body
electrical
lighting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Revoked
Application number
EP96201537A
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German (de)
English (en)
Other versions
EP0747628A1 (fr
Inventor
Fabrizio Fabrizi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BTicino SpA
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BTicino SpA
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
    • 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
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2103/00—Elongate light sources, e.g. fluorescent tubes

Definitions

  • the present invention concerns a lighting and wiring system for buildings and associated channels and electrical equipment of which such a system is composed.
  • Lighting systems are known in which a support track of limited length, fixed directly to the ceiling, houses two or three conductive bars or strips, and allows the bayonet insertion into any point on the track of one or more light fittings which are connected electrically to the conductive bars or strips.
  • Lighting systems are also known which comprise a plurality of elongate lighting bodies, specifically fluorescent tubes, which can be positioned end to end possibly with interspersed duct portions for conveying and containing the supply lines.
  • the cable conveying function of the duct is taken over by the lighting bodies.
  • a multifunctional lighting system has also been proposed in which a continuous support duct, which can be fixed directly to the ceiling or suspended by cables, forms a plurality of continuous volumes, one of which is intended to house a plurality of reflectors and light sockets, another of which is intended to house auxiliary equipment such as power supplies, reactors, starters, emergency supplies and, finally, a pair of volumes intended to house electrical cables having various functions.
  • the installation of the various components is particularly laborious as it requires multiple operations which are performed with the help of tools and in precarious conditions on ladders or scaffolding: the equipment must first of all be fixed in predetermined positions by screws, after possibly piercing the support channel, the electrical interconnections are then completed by stripping the ends and fixing them in terminals.
  • Document DE-U-8620254 discloses a profiled element having a central channel capable of forming a housing for lighting appliances and lateral channels closed by detachable covers so as to receive cables and conductors.
  • Document GB-A-2171786 discloses a fluorescent tube light fitting with a bayonet-like connection and a double channel for mounting the connectors and locating the cables, respectively.
  • a lighting and wiring system for buildings which includes a continuous metal channel forming a continuous housing track and multiple spaces for housing electrical cables and functionally complete electrical units or light boxes, which are fixed mechanically at any position along the housing track by pairs of bayonet couplings, and connected electrically to previously positioned supply lines by means of insulation-perforating terminals with which they are provided.
  • the arrangement of the multiple housing spaces, separated by metal partitions eliminates any possible electromagnetic interference between cables housed in different spaces.
  • a pair of spaces formed by the metal channel is further divided into eaves compartments to support the cables which, as well as forming a further electromagnetic screen, enable an ordered arrangement of the cables and easy access to them through covers which close the individual spaces.
  • the bayonet couplings for fixing electrical units to the housing track of the channel are formed from pairs of knobs having connector teeth, which are captive on the electrical unit and free to turn through an angle of 90° with respect to the electrical unit, between an introduction position and a stable coupled position which may be irreversible.
  • knobs are also provided with a locking screw which locks them in the desired position once installed and, therefore, in a position of maximum safety.
  • the lighting and wiring system forming the subject of the present invention comprises in the first place a continuous support channel 1 obtained by extrusion of aluminium or one of its alloys, shaped essentially with a generally H-shape section.
  • each of the arms 2, 3 divides into two ribs 7, 8, 9, 10 which terminate in a rounded edge.
  • At least one symmetrical pair of ribs 7, 9 is shaped to form two parallel channels 11, 12 in which are snap-engaged the teeth 13, 14 of a plurality of fixing brackets such as 15, which are in their turn fixed in a known way to a ceiling or wall, for mounting the channel overhead.
  • hooks associated with suspension cables can be used.
  • the horizontal central body 6 is provided on its upper face with a pair of parallel tracks 16, 17 forming a T-shape cavity into which suitable suspension channel supports or even electrical equipment can be fitted by means of a bayonet coupling, for example lighting equipment which diffuses light towards the ceiling.
  • each of the legs 4 and 5 divides into an inwardly turned lip 22, 23 and an outwardly turned rib 24, 25 having rounded edges.
  • each of the legs 4 and 5 there is provided a plurality of outwardly facing fins 26, 27 28, 29, 30, 31, 32, 33, 34, 35 shaped to form a plurality of seatings or channels to support and contain electrical cables.
  • the walls formed by the arms 2, 3, the legs 4, 5 and the central body 6 are pierced by elongate holes such as 36, 37, 38, 39 which are repeated periodically along the length of the channel.
  • the walls 2 and 3 together with the central body 6 form a continuous upper space for housing electrical cables or also electrical equipment which, in the case of installations suspended from the channel 1, is closed by a slightly convex elongate panel 40, provided at its two opposite edges with two continuous teeth 41, 42 which snap-engage with the rounded edges of the ribs 7 and 9.
  • the panel 40 can be replaced by a transparent diffusor screen where the upper space houses lighting equipment.
  • two side panels 43, 44 also provided with connector teeth at their two opposite ends which snap-engage with the rounded edge of the ribs 8, 18 and 10, 20 respectively, close two outer side spaces formed between the walls 2, 3 and the ribs 8, 18 and 10, 20 respectively.
  • two side panels 45, 46 which are provided on two opposite edges with connector teeth which snap-engage with the rounded edge of the ribs 24, 19 and 21, 25 respectively, close two outer side spaces formed between the wings 4, 5 and the ribs 24, 19 and 21, 25 respectively.
  • closure panels 40, 43, 44, 45 and 46 can be made from painted sheet metal or from plastics material.
  • a plurality of spaces is therefore formed, five in number, which are easily accessible by removing the closure panels, and in which electrical cables with various functions can be laid and positioned separately, such as cables carrying electric current, telephone cables, data-transmission cables and cables to interconnect digital electrical apparatus, wire broadcasting cables, alarm warning cables and cables which transmit signal for fire alarm, intrusion detectors etc.
  • the cables themselves in the various spaces and subspaces are mutually screened against possible contact with one another by the conductive channel structure, and can be arranged in an ordered way and be easily identifiable by virtue of their location in several spaces and subspaces.
  • the channel 1 forms a continuous space for housing electrical equipment in addition to the "multifunctional" space formed between the walls 2, 3 and the central body 6.
  • This space is formed between the sides or wings 4, 5 of the channel and the central body 6 and can be closed by opaque, transparent or translucent screens (not shown) which can also be joined together according to requirements and retained between the lips 22 and 23.
  • the central body 6 is provided on its lower face with two parallel tracks 47, 48 forming a T-shape cavity in which appropriate teeth can be bayonet-coupled in any position in the cavity to anchor the electrical apparatus.
  • Figure 2 is an exploded perspective view of part of a channel 1 and an electrical device 49 for installation in the channel 1.
  • the electrical device 49 is made as a single unit from a cylindrical reflector 50 with a parabolic curve in transverse section.
  • Insertion sockets for suitable light sources for example one or more fluorescent lamps 52 are fixed on the axial ends of the reflector within the parabola, one of which 51 is illustrated.
  • the necessary unit 53 comprising reactor, rephasing capacitance, starter and possible protective fuse for supplying the light source is fixed on the reflector 50 outside the parabola, possibly with an intermediary support frame.
  • the wiring and supply unit depends on the light source used, and can comprise an electronic supply unit and also, in the case of emergency lights, rechargeable batteries.
  • the cabling unit 53 is provided for its supply with a portion of flexible multipolar insulated cable 54 terminating in an insulation-perforating terminal 55.
  • Each pair of teeth has a width equal to or slightly less than the useful access width to the cavity 62 formed between the tracks 47, 48 of the channel 1.
  • the cumulative dimension of the pair of teeth in a direction perpendicular to the width is greater than the useful access width of the cavity and is preferably, but not necessarily, equal to the internal width of the cavity.
  • the operation can be performed easily without needing particular tools, which would necessitate the contemporaneous intervention of a second operator.
  • the electrical device 49 can be moved easily along the channel 1 to any desired position.
  • the device is then connected to the supply cables by closing the insulation-perforating terminal 55 on the cables already positioned in the channel 1.
  • the operation can be performed either by passing the terminal 55 from the space reserved for electrical apparatus to one of the spaces and sub-spaces reserved for the wiring through the communication apertures between spaces arranged for this purpose, or by passing a loop of cable from the associated housing to the space for the electrical device through one of the apertures.
  • the various closure panels including a possible translucent diffusor panel 90 to protect the reflector 50 and the light supply which may be removed for installing the electrical device 49, are snap-engaged to the wings of the channel 1.
  • the installation of the apparatus (not necessarily lighting, but also loudspeakers, alarm systems, smoke and fire detectors and the like) is therefore simple and ergonomic.
  • Installation is extremely flexible, because each device can be installed in any desired position along the channel or removed easily to be replaced or reinstalled in a different position.
  • the devices must be made from captive elements, which cannot accidentally be separated from the electrical apparatus and which must avoid becoming detached from the channel, and falling from a suspended position, due to vibrations and knocks.
  • Figure 3 is an exploded perspective view, partially in section and in greater detail, of one of the fixing devices of the electrical apparatus 49 of Figure 2.
  • the device essentially comprises the bracket 57 already shown and the knob 59.
  • the knob 59 extends upwards to a cylindrical head 63 connected to the knob by a cylindrical neck 64 of smaller diameter.
  • the head 63 is a pair of diametrically opposite teeth 65, 66 with a spacer cylinder 67 interposed between the head and the teeth.
  • the width "1" of the teeth 65, 66 is equal to the diameter of the spacer cylinder 67 and equal to or slightly less than the width of the access opening of the cavity 62 ( Figure 2) formed by the two tracks 47, 48.
  • the axial length of the spacer cylinder 67 is advantageously equal to or slightly greater than the depth of the two tracks 47, 48.
  • the cumulative dimension H of the two teeth 65, 66 in a direction perpendicular to the width is greater than "l" and advantageously equal to or slightly smaller than the width of the cavity 62.
  • the ends of the teeth conveniently meet with one of the sides, with rounded corners which are diametrically opposed with respect to the axis of the knob.
  • An axial housing 68 is formed in the knob 59, which extends through the neck 64, the head 63, the spacer cylinder 67 and the pair of teeth 65, 66 in a threaded seat 69 for a locking screw 70, whose head is contained in the housing 68.
  • An anular rebate 80 is formed in the annular face of the knob 59 which joins with the neck 64, extending over an arc of 90° with an internal diameter less than the diameter of the knob.
  • a circular aperture 71 is formed in the bracket 57 with a diameter equal to or greater than the diameter of the head 63 of the knob.
  • the circular aperture 71 extends into a slot 72 having a width equal to or slightly more than the diameter of the neck 64.
  • the slot 72 has parallel sides which join at the ends of the slot to form a semicircle 172 with a diameter equal to the diameter of the neck 64.
  • One side of the slot 72 is advantageously cut in such a way as to form a relatively resilient projecting tongue 73 terminating in an upwardly bent restraining tooth 74.
  • the opposite side of the slot 72 is also cut to form a second relatively resilient projecting tongue 75, terminating in a downwardly bent retainer tooth 76.
  • the distance of the end of the tooth 74 from the axis of the semicircle 172 is equal to the radius of the head 63 and the distance of the end of the tooth 76 from the axis of the semicircle 172 is equal to the internal diameter of the anular rebate 80.
  • the pair of teeth 65, 66 and the head 63 of the knob are introduced into the opening 71 in the bracket 57 by axially sliding the knob along its axis.
  • the neck 64 By a translation in the plane of the bracket 57 the neck 64 is engaged into the slot 72 and guided to the end of the slot, causing resilient yielding of the tongue 73 which positions itself in the plane of the bracket 57. Once the neck is positioned at the end of the slot 72, the tongue 73 reassumes its rest position and the neck 64 is held against movement by the interference of the tooth 74 with the head 63.
  • the axial displacement of the knob relative to the bracket 57 is impeded by the interference of the bracket 57, on one side with the knob itself, and on the other side with the head 63.
  • the knob is therefore held in place on the bracket 57, free to rotate.
  • the knob 59 can have two stable, angular end positions with respect to the bracket by providing two projecting teeth 81, 82 in the groove 80, having inclined sides and positioned at a convenient distance from the end of the groove.
  • the two teeth 81, 82 constitute an obstacle to the relative rotation between tooth 76 and knob which is overcome only upon the resilient yielding of the flap 75.
  • the teeth 65, 66 are positioned, with respect to the bracket 57 and therefore with respect to the electrical apparatus, in such a way as to allow the teeth to be inserted easily into the groove formed by the tracks 47, 48 of the support channel.
  • the teeth are disposed with respect to the bracket 57 in such a way as to ensure the stable coupling of the teeth with the tracks 47, 48.
  • the coupling is advantageously loose, so as not to impede adjustments in the position of the electrical apparatus along the channel, adjustments which can be effected in complete safety.
  • the screw 70 of the fixing device is screwed into the seat 69 until it presses against the central body of the channel, thereby constraining the teeth 65, 66 to press firmly against the tracks 47, 48.
  • the tongue 75 and the tooth 76 may be replaced as shown in Figure 3 by a tongue 90 and a tooth 91 obtained by folding a projection which extends from an edge of the bracket 57 and acts on the periphery of the knob, provided with an appropriate annular groove extending over a predetermined arc.
  • the channel described in addition to being installable overhead or suspended from a ceiling with the wings 4 and 5 orientated downwards, may also be installed by suspension with the wings 4 and 5 orientated upwards, or installed on a wall or vertical column.
  • electrical lighting apparatus In the case of suspended installation or a vertical column, electrical lighting apparatus (or other types of apparatus) can be arranged in either of the spaces formed respectively between the walls 2, 3 and the central body 6, or between the wings 4, 5 and the central body 6.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Installation Of Indoor Wiring (AREA)
  • Details Of Indoor Wiring (AREA)

Claims (7)

  1. Système d'éclairage et de câblage destiné à un bâtiment, comprenant un canal métallique continu (1) formant une première voie de retenue (47, 48) et de multiples espaces de logement de câbles électriques et d'un appareil électrique, et au moins un dispositif électrique (49) fixé mécaniquement à la voie de retenue (47, 48) par une paire de raccords à baïonnette (58-61) placés sur le dispositif électrique (49) et connectés électriquement au câblage par des connecteurs (55) perforant l'isolant.
  2. Système d'éclairage selon la revendication 1, comprenant une seconde voie de retenue (16, 17) formée par le canal métallique (1) du côté d'un corps central (6) du canal (1) opposé à celui de la première voie (47, 48).
  3. Canal (1) destiné à un système d'éclairage et de câblage selon la revendication 2, formant une première (47, 48) et une seconde (16, 17) voie de retenue opposées l'une à l'autre par rapport à un corps central (6) du canal (1), constitué d'un profilé métallique ayant une forme en H, ayant le corps central (6), deux bras (2, 3) et deux branches (4, 5) qui s'étendent transversalement au corps central (6) sur les côtés du corps central (6), les bras (2, 3) formant un premier espace de boítier avec le corps central (6), les branches (4, 5) formant un second espace de boítier avec le corps central (6), les bras (2, 3) et les branches (4, 5) ayant chacun plusieurs ailettes (18-21, 26-35) dépassant vers l'extérieur et formant plusieurs espaces destiné à contenir des câbles électriques.
  4. Canal (1) selon la revendication 3, comprenant deux paires séparées de panneaux latéraux amovibles (43-46) destinés à fermer les espaces de confinement des câbles électriques.
  5. Appareil électrique (49) destiné à être installé dans le système d'éclairage et de câblage selon les revendications 1 et 2, dans lequel la paire de raccords à baïonnette (58-61) comprend deux boutons (58, 59) retenus captifs sur l'appareil (49) et libres de tourner d'un angle de 90° environ, se terminant chacun axialement par une paire de dents (60, 61) de baïonnette d'accouplement à une voie de retenue (47, 48) du canal (1).
  6. Appareil électrique (49) selon la revendication 5, comprenant un dispositif (81, 82) destiné à assurer la mise de chaque bouton de la paire (58, 59) dans une première position angulaire stable et une seconde position angulaire stable à 90° de la première position.
  7. Appareil électrique (49) selon la revendication 5 ou 6, dans lequel un bouton au moins de la paire de boutons (58, 59) a une vis axiale (70) passant dans le bouton (58, 59) et la paire associée de dents d'accouplement (65, 66) afin qu'elle bloque la paire de dents d'accouplement (61, 62) en position prédéterminée sur la voie (47, 48).
EP96201537A 1995-06-06 1996-06-04 Dispositif d'éclairage et de câblage pour bâtiments avec rainures longitudinales et appareilage électrique associée Revoked EP0747628B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI951175 1995-06-06
ITMI951175A IT1275314B (it) 1995-06-06 1995-06-06 Sistema di illuminazione e cablaggio di edificio e relativi canali e apparecchi elettrici

Publications (2)

Publication Number Publication Date
EP0747628A1 EP0747628A1 (fr) 1996-12-11
EP0747628B1 true EP0747628B1 (fr) 2001-08-08

Family

ID=11371750

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96201537A Revoked EP0747628B1 (fr) 1995-06-06 1996-06-04 Dispositif d'éclairage et de câblage pour bâtiments avec rainures longitudinales et appareilage électrique associée

Country Status (4)

Country Link
EP (1) EP0747628B1 (fr)
DE (1) DE69614319T2 (fr)
ES (1) ES2161966T3 (fr)
IT (1) IT1275314B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014103974A1 (de) * 2014-03-24 2015-09-24 Alanod Gmbh & Co. Kg Stromschiene zum Anschluss von Leuchtdioden
DE102020102491B4 (de) 2020-01-31 2022-03-31 Wieland Electric Gmbh Lineare Stromverteileranordnung mit einem an einer linearen Versorgungseinheit angeordneten Abgriff

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3391377A (en) * 1965-09-10 1968-07-02 Insul 8 Corp Electrical distribution system
GB2171786B (en) * 1985-03-02 1988-04-13 Hlc Engineering Securing fluorescent tube light fitting to lighting track
IT207643Z2 (it) * 1986-03-11 1988-02-08 Dil Srl Elemento profilato a canali separati ed ispezionabili dall'estenro.

Also Published As

Publication number Publication date
EP0747628A1 (fr) 1996-12-11
DE69614319D1 (de) 2001-09-13
ITMI951175A0 (it) 1995-06-06
ITMI951175A1 (it) 1996-12-06
MX9602209A (es) 1997-09-30
ES2161966T3 (es) 2001-12-16
IT1275314B (it) 1997-08-05
DE69614319T2 (de) 2001-11-22

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