EP3525198B1 - Configurable safety lighting unit - Google Patents

Configurable safety lighting unit Download PDF

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Publication number
EP3525198B1
EP3525198B1 EP19155453.4A EP19155453A EP3525198B1 EP 3525198 B1 EP3525198 B1 EP 3525198B1 EP 19155453 A EP19155453 A EP 19155453A EP 3525198 B1 EP3525198 B1 EP 3525198B1
Authority
EP
European Patent Office
Prior art keywords
frame
light
emergency lighting
wall
housing
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.)
Active
Application number
EP19155453.4A
Other languages
German (de)
French (fr)
Other versions
EP3525198A1 (en
Inventor
Julien ZANIN
Julien MIGUEL
Franck ESPINOUX
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.)
Cooper Securite SAS
Original Assignee
Cooper Securite SAS
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Filing date
Publication date
Application filed by Cooper Securite SAS filed Critical Cooper Securite SAS
Publication of EP3525198A1 publication Critical patent/EP3525198A1/en
Application granted granted Critical
Publication of EP3525198B1 publication Critical patent/EP3525198B1/en
Active legal-status Critical Current
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Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/18—Edge-illuminated signs
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
    • G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
    • G08B7/062—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources indicating emergency exits
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/04—Signs, boards or panels, illuminated from behind the insignia
    • G09F13/0418—Constructional details
    • G09F13/0436—Signs, boards or panels attached to ceilings
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F27/00—Combined visual and audible advertising or displaying, e.g. for public address
    • G09F27/004—Displays including an emergency or alarm message
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F7/00—Signs, name or number plates, letters, numerals, or symbols; Panels or boards
    • G09F7/18—Means for attaching signs, plates, panels, or boards to a supporting structure
    • G09F7/20—Means for attaching signs, plates, panels, or boards to a supporting structure for adjustably mounting
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/04—Signs, boards or panels, illuminated from behind the insignia
    • G09F13/0418—Constructional details
    • G09F2013/05—Constructional details indicating exit way or orientation
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/20—Illuminated signs; Luminous advertising with luminescent surfaces or parts
    • G09F13/22—Illuminated signs; Luminous advertising with luminescent surfaces or parts electroluminescent
    • G09F2013/222—Illuminated signs; Luminous advertising with luminescent surfaces or parts electroluminescent with LEDs

Definitions

  • the present invention relates to security lighting units, that is to say lighting units intended to display luminous signage in establishments open to the public, as well as to ensure, for example, the marking of exits from such a establishment and / or that of the services offered therein, only to provide security lighting.
  • Such a lighting unit is well known, in particular by the example given in the document. EP 2 942 770 .
  • Such a block is particularly suitable for allowing its installation both on a wall and on a ceiling, advantageously using the same support box for the two types of installation.
  • the light panel is then assembled to the cover of the support box according to the first assembly state, in the case of the installation of the support box on a wall and according to the second assembly state, in the case of the installation of the support box on a wall. a ceiling.
  • the first and second states of mounting the light panel on the cover of the support box require the use of mounting means by clipping, of a on the one hand at the level of the panel and, on the other hand, at the level of the box, which are specific and dedicated to each of the respective mounting states of the light panel on the support box.
  • the clip-on mounting means comprise a first set of specific spare parts in order to allow the assembly of the light panel to the support box in the first assembly state and a second set of specific spare parts in order to allow the assembly of the light panel to the support box in the second state of assembly.
  • the technician in charge of installing the block must have several sets of specific spare parts to be able to adapt to different possible installation configurations of the block, on the wall or on the ceiling.
  • the other set of spare parts, unused for assembly is left aside.
  • the management of these sets of spare parts which allow the assembly of the light panel to the support box of the block in its different installation configurations, leads on the one hand to an additional production cost and, on the other hand, to environmental impacts. unfavorable, with regard to the treatment of unused parts.
  • the aim of the present invention is to provide an emergency lighting unit free from the previously mentioned limitations and, in particular, which makes it possible to implement the functions of assembling the light panel to the unit support housing in the units. two assembly states without having unused parts after assembly.
  • the emergency lighting unit of the invention is essentially characterized in that said cover comprises connectors intended to come into engagement, in said first mounted state, with said frame, said frame having an outer section defining a housing intended to interlockingly receive said connectors in said second mounted state.
  • said connectors are two lateral tenons made in one piece with said cover and arranged on opposite sides longitudinally of said front face, each intended to come to be clipped, in said first mounting state, in a corresponding notch made on a transverse internal wall portion of said frame.
  • the connectors could also be constituted by magnetic or electromagnetic fixing means, adapted to fix the cover to the light panel in the two mounting states by cooperation with corresponding magnetic fixing sites provided on the frame of the light panel.
  • the emergency lighting unit 1 of the invention comprises a support housing 2 intended to be attached as a projection on a mounting wall, such as a wall or a ceiling.
  • the support box 2 comprises a base (not shown), forming a fixing bracket, intended to be fixed by its back wall to the wall or to the ceiling, and coming to be closed on the front face, opposite the back wall, by a cover 20, having a rectangular front face 21, bordered by a side wall 22 extending along a rectangular outline, so as to define with the base a reception housing 23 for an electrical equipment mechanism of the unit (not shown), Typically comprising an electronic circuit for the power supply of the unit, electrical contacts as well as possibly accumulators.
  • the cover 20 of the support box 2 has the overall shape of an elongated parallelepiped. It thus extends in length according to a longitudinal axis X, in width according to a transverse axis Y and in thickness according to a frontal axis Z. In position of installation on a wall ( figures 1 and 2 ), the cover 20 of the support box 2 is attached to the wall wall such that its longitudinal axis X extends horizontally to the wall wall, that its transverse axis Y extends vertically and that its front axis Z extends perpendicular to the wall.
  • the cover 20 of the support box 2 is attached to the ceiling wall such that its longitudinal axis X and its transverse axis Y extend horizontally to the ceiling wall and that its front axis Z extends perpendicularly to the ceiling wall.
  • the cover 20 of the support housing of the block is preferably made in one piece by molding a rigid plastic material, such as polycarbonate.
  • the unit also comprises a light panel 3 consisting of at least one signaling label 31, illustrating safety information, such as for example the presence of an emergency exit, and of a light guide 32, joined to their periphery by a frame 30.
  • the frame 30 is preferably a rectangular profiled frame 30 of plastic material.
  • the rectangular profile frame 30 is made in one piece by molding a plastic material, such as polycarbonate. Provision is made for the length and width dimensions of the rectangular profiled frame 30 to coincide with those of the rectangular front face 31 of the cover 20 of the support housing of the block, on which the light panel 30 is intended to be mounted, or in a parallel plane to the latter in a first mounted state, or in a plane perpendicular to the latter, in a second mounted state.
  • the figure 4 illustrates a sectional view along the plane (XZ) of the safety block of the invention in the first state of assembly and the figure 5 illustrates a sectional view along the plane (YZ) of the block of the safety block of the invention in the second state of assembly.
  • the outer peripheral part of the profiled frame 30 has a cross section, called the outer section of the frame, in the shape of a "V" open outwards and the base of which constitutes transverse 33 and longitudinal 34 internal walls, delimiting the interior of the profiled frame 30, where the signaling label 31 and the light guide 32 are housed.
  • Two transverse wings 35 slightly diverging, projecting outwardly, from each transverse internal wall 33 of the frame and they longitudinal wings 36, slightly divergent, projecting outwardly, from each longitudinal internal wall 33 of the frame 30.
  • the profiled frame 30 has a V-shaped section with its two lateral wings, respectively in the direction transverse and longitudinal direction, which diverge from each other from the base but, alternatively, it could have a U-section with its two lateral wings by alleles.
  • the internal face of the longitudinal internal walls 34 of the frame 30, that is to say the face oriented towards the interior of the frame, opposite the longitudinal wings 36 with respect to the longitudinal internal wall 34, is provided with 'a longitudinal groove 37, intended to position and maintain the lower and upper edges respectively of the light guide 32 and of the signaling label 31 within the profiled frame 30.
  • the rectangular profiled frame 30 is provided with a light source 4, in the form of a elongated printed circuit, arranged according to the exemplary embodiment against an external face of the upper longitudinal internal wall 34 of the profiled frame 30 (“upper” here being understood in the position of the block 1 as shown in FIG. figure 5 ), and on which is mounted aligned a plurality of light emitting diodes.
  • the elongated printed circuit of the light source 4 is for example fixed by gluing along this external face of the upper longitudinal internal wall 34 of the frame 30.
  • the upper longitudinal internal wall 34 is provided with a plurality of openings in which is arranged the plurality of light-emitting diodes carried by the printed circuit when the latter is fixed against the external face of the upper longitudinal internal wall of the profiled frame 30.
  • the light guide 32 in the form of a plate for example made of polymethyl methacrylate (abbreviated PMMA, from the English Polymethyl Methacrylate), is mounted inside the profiled frame 30, so that its upper edge housed in the longitudinal groove 37 made in the outer face of the upper longitudinal inner wall facing said openings, to form an optical coupling surface with the light emitting diodes of the light source 6.
  • PMMA polymethyl methacrylate
  • the light emitted by the light emitting diodes is emitted laterally in the light guide 32.
  • the latter comprises a first surface, forming a surface for diffusing the light towards the signaling label 31 disposed above, preferably by means of a thin diffusing film (not shown ), for example with a thickness of the order of a hundred microns and made of PC (polycarbonate) or PET (polyethylene terephthalate), and intended to be interconnected random between the light guide 32 and the signaling label 4 during assembly of the assembly in the profiled frame 30 in order to homogenize the emitted light.
  • the light guide 32 also includes a second surface opposite the first surface, and on which is formed an array of microlenses to direct the light conducted in the light guide towards the diffusing film. These microlenses, for example spherical, thus form an extraction layer of the light guide 32 making it possible to improve the extraction of light towards the diffusing film.
  • a reflective film may further be disposed adjacent to this second surface of the light guide 32.
  • the light guide, the diffusing film and the signaling label are mounted maintained in plane contact with each other and joined at their periphery by the profiled frame 30, so as to constitute the light panel 3 of the unit.
  • the cover 20 comprises two lateral tenons 24, 25, arranged on opposing sides longitudinally of the front face 21 of the cover 20.
  • the two lateral tenons 24, 25 are preferably arranged along a longitudinal median plane of the cover 20. They are preferably molded, in one piece with the rest of the cover 20. They are adapted to make it possible to subject the light panel 3 to the cover 20, in the two mounting states.
  • the first state of assembly is described with reference to figure 4 .
  • the lateral tenons 24 and 25 are intended, in this first state of assembly, to each come to be clipped in a corresponding notch 330 made on the internal face of the transverse internal wall 33 of the profiled frame 30, when the latter, brought overhanging of the front face 21 of the cover 20, being disposed parallel to the latter, comes to be forcefully applied against it.
  • the profiled frame 30, which has a certain flexibility due to its shape, is deformed, thus allowing the introduction of the lateral tenons 24, 25 in their corresponding notch 330 provided on the internal face of the transverse internal wall 30 of the frame.
  • the lateral tenons 24, 25 comprise a rigid edge 240, 250 projecting from the body of the tenon and intended to fit into said notch 330.
  • the profiled frame 30 is kept fixed to the cover 20 in a plane parallel to the front face 21 of the latter, advantageously masking the lateral tenons, and is superimposed on the cover in a substantially contiguous manner, that is to say in a compact manner, with no space between them.
  • the outer peripheral part of the profiled frame 30 is substantially aligned with the side wall 22 of the cover 20. The assembly then forms a particularly compact block.
  • the interlocking profile of the housings 38 defined between the two longitudinal wings 36 advantageously results from the same manufacturing process by molding the profiled frame.
  • the lateral tenons 24, 25, once inserted into their housing 38 in the form of a mortise corresponding to the interlocking profile defined between the two longitudinal wings 36 make it possible to maintain the profiled frame 30 in a plane perpendicular to the front face 21 of the cover , while being masked from the outside by the longitudinal wings 36.
  • the profiled frame 30, in this second mounting state is mounted movable in translation along its upper longitudinal internal wall 34, which facilitates operations. assembly and disassembly of the frame.
  • the two lateral tenons 24, 25 comprise a metal insert adapted to allow contact with the electrical contacts in the reception housing.
  • each tenon is covered at least in part with a metal insert, which is adapted to extend in the reception housing to the electrical contacts through an opening arranged on the front face of the cover, at the foot. of the tenon.
  • Each notch 330 and each housing 38, adapted to cooperate with the two lateral tenons 24, 25, to achieve the assembly of the profiled frame 30 on the cover 20 in the two mounting states are also provided with metal connection pads, which are adapted to be brought into contact with the metal insert of the lateral tenons 24, 25 in each of the two respective mounting states.
  • the electrical connection terminals of the light-emitting diode printed circuit are then connected to these metal connection pads by conductive tracks which are arranged directly on the profiled frame 30.
  • the electrical connection of the terminals of the light source 6 equipping the profiled frame 30 with the electrical contacts within the receiving housing of the support box is advantageously carried out concomitantly with the assembly of the profiled frame 30 on the cover 20, by the sole connection of the means participating in the assembly, on the one hand by clipping, as regards the tenons 24, 25 and notches 330 in the first state of assembly and, on the other hand, by interlocking, as regards the tenons 24, 25 and housings 38 in the second state of assembly. assembly, without any further action being necessary for an installer.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Description

La présente invention concerne les blocs d'éclairage de sécurité c'est-à-dire des blocs d'éclairage destinés à afficher une signalétique lumineuse dans les établissements recevant du public, aussi bien pour assurer par exemple le balisage des issues d'un tel établissement et/ou celui des services qui y sont proposés, que pour constituer un éclairage de sécurité.The present invention relates to security lighting units, that is to say lighting units intended to display luminous signage in establishments open to the public, as well as to ensure, for example, the marking of exits from such a establishment and / or that of the services offered therein, only to provide security lighting.

L'invention concerne plus particulièrement un bloc d'éclairage de sécurité comprenant :

  • un boîtier support formé d'un socle, ouvert en face avant, adapté à être fixé sur un mur ou un plafond par sa paroi de fond, et d'un couvercle comprenant une face frontale à rapporter en face avant du socle pour former un logement d'accueil pour un circuit d'alimentation électrique et des contacts électriques correspondants, et
  • un panneau lumineux constitué d'au moins une étiquette de signalisation et d'un guide de lumière réunis à leur périphérie par un cadre, ledit guide de lumière étant conçu pour diffuser vers ladite étiquette de signalisation la lumière émise par au moins une source lumineuse disposée le long d'au moins un bord dudit cadre, ledit panneau lumineux étant conçu pour entrer en contact avec lesdits contacts électriques dans un état monté dudit panneau lumineux sur ladite face frontale du couvercle pour l'alimentation électrique de ladite source lumineuse, à la fois dans un premier état de montage dans lequel ledit panneau lumineux est disposé dans un plan parallèle à ladite face frontale et dans un second état de montage dans lequel ledit panneau lumineux est disposé dans un plan perpendiculaire à ladite face frontale.
The invention relates more particularly to an emergency lighting unit comprising:
  • a support box formed of a base, open on the front face, adapted to be fixed to a wall or a ceiling by its bottom wall, and of a cover comprising a front face to be attached to the front face of the base to form a housing reception for an electrical supply circuit and corresponding electrical contacts, and
  • a light panel consisting of at least one signaling label and a light guide joined at their periphery by a frame, said light guide being designed to diffuse towards said signaling label the light emitted by at least one light source arranged along at least one edge of said frame, said light panel being adapted to contact said electrical contacts in a mounted state of said light panel on said front face of the cover for supplying power to said light source, both in a first mounted state in which said light panel is disposed in a plane parallel to said front face and in a second mounted state in which said light panel is disposed in a plane perpendicular to said front face.

Un tel bloc d'éclairage est bien connu, notamment par l'exemple qu'en donne le document EP 2 942 770 . Un tel bloc est particulièrement adapté pour permettre son implantation tant sur un mur que sur un plafond, en utilisant avantageusement le même boîtier support pour les deux types d'implantation. Le panneau lumineux est alors assemblé au couvercle du boîtier support selon le premier état de montage, dans le cas de l'implantation du boîtier support sur un mur et selon le second état de montage, dans le cas de l'implantation du boîtier support sur un plafond. Selon le document précité, les premier et second états de montage du panneau lumineux sur le couvercle du boîtier support nécessitent de mettre en oeuvre des moyens de montage par clipsage, d'une part au niveau du panneau et, d'autre part, au niveau du boîtier, qui sont spécifiques et dédiés à chacun des états de montage respectifs du panneau lumineux sur le boîtier support. En particulier, les moyens de montage par clipsage comprennent un premier jeu de pièces détachées spécifique afin de permettre l'assemblage du panneau lumineux au boîtier support dans le premier état de montage et un second jeu de pièces détachées spécifique afin de permettre l'assemblage du panneau lumineux au boîtier support dans le second état de montage. Autrement dit, le technicien en charge de l'installation du bloc doit disposer de plusieurs jeux de pièces détachées spécifiques pour pouvoir s'adapter à différentes configurations d'implantation possibles du bloc, au mur ou au plafond. Une fois le bloc installé dans une configuration d'implantation donnée avec le jeu de pièces détachées correspondant, l'autre jeu de pièces détachées, inutilisé pour le montage, est laissé de côté. La gestion de ces jeux de pièces détachées, qui permettent l'assemblage du panneau lumineux au boîtier support du bloc dans ses différentes configurations d'implantation, entraîne d'une part, un surcoût de production et, d'autre part, des incidences environnementales défavorables, s'agissant du traitement des pièces inutilisées.Such a lighting unit is well known, in particular by the example given in the document. EP 2 942 770 . Such a block is particularly suitable for allowing its installation both on a wall and on a ceiling, advantageously using the same support box for the two types of installation. The light panel is then assembled to the cover of the support box according to the first assembly state, in the case of the installation of the support box on a wall and according to the second assembly state, in the case of the installation of the support box on a wall. a ceiling. According to the aforementioned document, the first and second states of mounting the light panel on the cover of the support box require the use of mounting means by clipping, of a on the one hand at the level of the panel and, on the other hand, at the level of the box, which are specific and dedicated to each of the respective mounting states of the light panel on the support box. In particular, the clip-on mounting means comprise a first set of specific spare parts in order to allow the assembly of the light panel to the support box in the first assembly state and a second set of specific spare parts in order to allow the assembly of the light panel to the support box in the second state of assembly. In other words, the technician in charge of installing the block must have several sets of specific spare parts to be able to adapt to different possible installation configurations of the block, on the wall or on the ceiling. Once the block is installed in a given layout configuration with the corresponding set of spare parts, the other set of spare parts, unused for assembly, is left aside. The management of these sets of spare parts, which allow the assembly of the light panel to the support box of the block in its different installation configurations, leads on the one hand to an additional production cost and, on the other hand, to environmental impacts. unfavorable, with regard to the treatment of unused parts.

Dans ce contexte, la présente invention a pour but de proposer un bloc d'éclairage de sécurité exempt des limitations précédemment évoquées et, en particulier, qui permette de mettre en oeuvre les fonctions d'assemblage du panneau lumineux au boîtier support du bloc dans les deux états de montage sans avoir de pièces inutilisées après montage.In this context, the aim of the present invention is to provide an emergency lighting unit free from the previously mentioned limitations and, in particular, which makes it possible to implement the functions of assembling the light panel to the unit support housing in the units. two assembly states without having unused parts after assembly.

A cette fin, le bloc d'éclairage de sécurité de l'invention, par ailleurs conforme à la définition générique qu'en donne le préambule ci-dessus, et tel que divulgué dans la revendication 1, est essentiellement caractérisé en ce que ledit couvercle comprend des connecteurs destinés à venir s'engager, dans ledit premier état de montage, avec ledit cadre, ledit cadre présentant une section externe définissant un logement destiné à recevoir à emboîtement lesdits connecteurs dans ledit second état de montage.To this end, the emergency lighting unit of the invention, moreover in accordance with the generic definition given by the preamble above, and as disclosed in claim 1, is essentially characterized in that said cover comprises connectors intended to come into engagement, in said first mounted state, with said frame, said frame having an outer section defining a housing intended to interlockingly receive said connectors in said second mounted state.

Grâce à cet agencement, le cadre peut être fixé au couvercle suivant les deux états de montage, sans nécessiter aucune pièce détachée spécifique pour l'un ou l'autre des deux états de montage.Thanks to this arrangement, the frame can be fixed to the cover according to the two assembly states, without requiring any specific spare part for one or the other of the two assembly states.

Avantageusement, lesdits connecteurs sont deux tenons latéraux réalisés d'une seule pièce avec ledit couvercle et disposés sur des côtés opposés longitudinalement de ladite face frontale, destinés à venir se clipser chacun, dans ledit premier état de montage, dans une encoche correspondante pratiquée sur une partie de paroi interne transversale dudit cadre.Advantageously, said connectors are two lateral tenons made in one piece with said cover and arranged on opposite sides longitudinally of said front face, each intended to come to be clipped, in said first mounting state, in a corresponding notch made on a transverse internal wall portion of said frame.

Avantageusement encore, ledit cadre présente une section externe en V ou en U, dont deux ailes longitudinales faisant saillie d'une paroi interne longitudinale dudit cadre définissent ledit logement, ledit logement étant en forme de mortaise.Also advantageously, said frame has an outer V-shaped or U-shaped section, of which two longitudinal wings projecting from a longitudinal inner wall of said frame define said housing, said housing being in the form of a mortise.

Ainsi, les moyens permettant l'assemblage du panneau lumineux au couvercle dans les deux états de montage, participent avantageusement à procurer une esthétique améliorée du bloc. En effet, dans le premier état de montage, les tenons latéraux en face frontale du couvercle sont clipsés du côté intérieur du cadre profilé, ce qui les rend invisibles pour un observateur. De la même façon, les tenons latéraux sont rendus invisibles dans le second état de montage, dans la mesure où ils sont engagés à emboîtement dans un logement correspondant en forme de mortaise agencé entre deux ailes longitudinales délimitant une section externe en forme de V ou de U du cadre, de sorte que les deux ailes longitudinales du cadre masquent les tenons latéraux du couvercle qui y sont emboîtés dans le second état de montage. En outre, l'assemblage par tenon-mortaise est particulièrement favorable pour assurer la cohésion du panneau lumineux et du couvercle suivant une orientation perpendiculaire de ces pièces entre elles dans le second état de montage.Thus, the means allowing the assembly of the light panel to the cover in the two mounting states, advantageously participate in providing improved aesthetics of the unit. Indeed, in the first state of assembly, the lateral tenons on the front face of the cover are clipped on the interior side of the profiled frame, which makes them invisible to an observer. Likewise, the lateral tenons are made invisible in the second assembly state, insofar as they are engaged interlocking in a corresponding housing in the form of a mortise arranged between two longitudinal wings delimiting an outer section in the form of a V or U of the frame, so that the two longitudinal wings of the frame hide the lateral tenons of the cover which are fitted therein in the second assembly state. In addition, the tenon-mortise assembly is particularly favorable for ensuring the cohesion of the light panel and the cover in a perpendicular orientation of these parts to each other in the second assembly state.

En variante, les connecteurs pourraient également être constitués par des moyens de fixation magnétiques ou électromagnétiques, adaptés pour fixer le couvercle au panneau lumineux dans les deux états de montage par coopération avec des sites de fixation magnétique correspondant prévus sur le cadre du panneau lumineux.As a variant, the connectors could also be constituted by magnetic or electromagnetic fixing means, adapted to fix the cover to the light panel in the two mounting states by cooperation with corresponding magnetic fixing sites provided on the frame of the light panel.

D'autres caractéristiques non limitatives et avantageuses du bloc d'éclairage sont définies comme suit :

  • lesdits deux tenons latéraux comportent un corps et un bord rigide faisant saillie dudit corps et destiné à s'insérer dans ladite encoche ;
  • lesdits deux tenons latéraux présentent, en coupe transversale, un profil ayant une section en forme de trapèze ;
  • lesdits deux tenons latéraux comportent un insert métallique adapté pour le contact avec lesdits contacts électriques ;
  • chaque encoche et logement, adaptés à coopérer avec lesdits deux tenons latéraux respectivement dans lesdits premier et second états de montage, sont pourvus de plages de connexion métalliques respectives adaptées pour le contact avec l'insert métallique desdits deux tenons latéraux dans chacun desdits premier et second états de montage ;
  • ladite source lumineuse comprend des bornes de connexion électrique reliées auxdites plages de connexion métalliques par des pistes conductrices disposées sur ledit cadre profilé ;
  • ladite source lumineuse comprend une barrette de diodes électroluminescentes disposée le long de ladite paroi interne longitudinale, de sorte que lesdites diodes électroluminescentes soient orientées vers ledit guide de lumière ;
  • ladite barrette de diodes électroluminescentes est fixée sur une face externe de ladite paroi interne longitudinale sous ledit logement, de sorte que lesdites diodes électroluminescentes soient disposées au sein d'ouvertures pratiquées dans ladite paroi interne longitudinale.
Other non-limiting and advantageous characteristics of the lighting unit are defined as follows:
  • said two lateral tenons comprise a body and a rigid edge projecting from said body and intended to fit into said notch;
  • said two lateral tenons have, in cross section, a profile having a section in the form of a trapezoid;
  • said two lateral tenons comprise a metal insert adapted for contact with said electrical contacts;
  • each notch and housing, adapted to cooperate with said two lateral tenons respectively in said first and second mounting states, are provided with respective metal connection pads adapted for contact with the metal insert of said two lateral tenons in each of said first and second states of assembly;
  • said light source comprises electrical connection terminals connected to said metal connection pads by conductive tracks arranged on said profiled frame;
  • said light source comprises an array of light emitting diodes disposed along said longitudinal inner wall, such that said light emitting diodes are oriented towards said light guide;
  • said array of light-emitting diodes is fixed to an outer face of said longitudinal inner wall under said housing, so that said light-emitting diodes are arranged within openings made in said longitudinal inner wall.

D'autres particularités et avantages de l'invention ressortiront à la lecture de la description faite ci-après d'un mode de réalisation particulier de l'invention, donné à titre indicatif mais non limitatif, en référence aux dessins annexés sur lesquels :

  • les Figures 1 et 2 sont des vues schématiques en perspective d'un bloc d'éclairage de sécurité selon un mode de réalisation préféré de l'invention pour une configuration d'implantation sur un mur;
  • la Figure 3 est une vue schématique en perspective d'un bloc d'éclairage de sécurité selon un mode de réalisation préféré de l'invention pour une configuration d'implantation sur un plafond ;
  • la Figure 4 est une vue en perspective en coupe du bloc d'éclairage de de sécurité selon le mode de réalisation préféré de l'invention, dans le premier état de montage ;
  • la Figure 5 est une vue en perspective en coupe du bloc d'éclairage de de sécurité selon le mode de réalisation préféré de l'invention, dans le second état de montage.
Other features and advantages of the invention will emerge on reading the description given below of a particular embodiment of the invention, given by way of indication but not limiting, with reference to the appended drawings in which:
  • the Figures 1 and 2 are schematic perspective views of an emergency lighting unit according to a preferred embodiment of the invention for an installation configuration on a wall;
  • the Figure 3 is a schematic perspective view of an emergency lighting unit according to a preferred embodiment of the invention for a configuration of installation on a ceiling;
  • the Figure 4 is a sectional perspective view of the emergency lighting unit according to the preferred embodiment of the invention, in the first mounted state;
  • the Figure 5 is a perspective sectional view of the emergency lighting unit according to the preferred embodiment of the invention, in the second mounted state.

En référence aux figures 1 à 3, le bloc d'éclairage de sécurité 1 de l'invention comprend un boîtier support 2 destiné à être rapporté en saillie sur une paroi de montage, tel qu'un mur ou un plafond. Le boîtier support 2 comprend un socle (non représenté), formant patère de fixation, destiné à être fixé par sa paroi de fond au mur ou au plafond, et venant être fermé en face avant, opposée à la paroi de fond, par un couvercle 20, présentant une face frontale rectangulaire 21, bordée par une paroi latérale 22 s'étendant selon un contour rectangulaire, de façon à définir avec le socle un logement d'accueil 23 pour un mécanisme d'appareillage électrique du bloc (non représenté), comprenant typiquement un circuit électronique pour l'alimentation électrique du bloc, des contacts électriques ainsi qu'éventuellement des accumulateurs. Le couvercle 20 du boîtier support 2 présente globalement une forme de parallélépipède allongé. Il s'étend ainsi en longueur selon un axe longitudinal X, en largeur selon un axe transversal Y et en épaisseur selon un axe frontal Z. En position d'implantation sur un mur (figures 1 et 2), le couvercle 20 du boîtier support 2 est rapporté sur la paroi murale de telle sorte que son axe longitudinal X s'étende horizontalement à la paroi murale, que son axe transversal Y s'étende verticalement et que son axe frontal Z s'étende perpendiculairement à la paroi murale. En position d'implantation sur un plafond (figure 2), le couvercle 20 du boîtier support 2 est rapporté sur la paroi de plafond de telle sorte que son axe longitudinal X et son axe transversal Y s'étendent horizontalement à la paroi de plafond et que son axe frontal Z s'étende perpendiculairement à la paroi de plafond.With reference to figures 1 to 3 , the emergency lighting unit 1 of the invention comprises a support housing 2 intended to be attached as a projection on a mounting wall, such as a wall or a ceiling. The support box 2 comprises a base (not shown), forming a fixing bracket, intended to be fixed by its back wall to the wall or to the ceiling, and coming to be closed on the front face, opposite the back wall, by a cover 20, having a rectangular front face 21, bordered by a side wall 22 extending along a rectangular outline, so as to define with the base a reception housing 23 for an electrical equipment mechanism of the unit (not shown), Typically comprising an electronic circuit for the power supply of the unit, electrical contacts as well as possibly accumulators. The cover 20 of the support box 2 has the overall shape of an elongated parallelepiped. It thus extends in length according to a longitudinal axis X, in width according to a transverse axis Y and in thickness according to a frontal axis Z. In position of installation on a wall ( figures 1 and 2 ), the cover 20 of the support box 2 is attached to the wall wall such that its longitudinal axis X extends horizontally to the wall wall, that its transverse axis Y extends vertically and that its front axis Z extends perpendicular to the wall. In position of installation on a ceiling ( figure 2 ), the cover 20 of the support box 2 is attached to the ceiling wall such that its longitudinal axis X and its transverse axis Y extend horizontally to the ceiling wall and that its front axis Z extends perpendicularly to the ceiling wall.

Le couvercle 20 du boîtier support du bloc est préférentiellement réalisé d'une seule pièce par moulage d'un matériau plastique rigide, tel que le polycarbonate.The cover 20 of the support housing of the block is preferably made in one piece by molding a rigid plastic material, such as polycarbonate.

Le bloc comprend également un panneau lumineux 3 constitué d'au moins une étiquette de signalisation 31, illustrant une information de sécurité, telle que par exemple la présence d'une sortie de secours, et d'un guide de lumière 32, réunis à leur périphérie par un cadre 30. Le cadre 30 est préférentiellement un cadre profilé rectangulaire 30 en matériau plastique. Le cadre profilé rectangulaire 30 est réalisé d'une seule pièce par moulage d'un matériau plastique, tel que le polycarbonate. On prévoit que les dimensions de longueur et de largeur du cadre profilé rectangulaire 30 coïncident avec celles de la face frontale rectangulaire 31 du couvercle 20 du boîtier support du bloc, sur laquelle le panneau lumineux 30 est destiné à être monté, soit dans un plan parallèle à cette dernière dans un premier état de montage, soit dans un plan perpendiculaire à cette dernière, dans un second état de montage.The unit also comprises a light panel 3 consisting of at least one signaling label 31, illustrating safety information, such as for example the presence of an emergency exit, and of a light guide 32, joined to their periphery by a frame 30. The frame 30 is preferably a rectangular profiled frame 30 of plastic material. The rectangular profile frame 30 is made in one piece by molding a plastic material, such as polycarbonate. Provision is made for the length and width dimensions of the rectangular profiled frame 30 to coincide with those of the rectangular front face 31 of the cover 20 of the support housing of the block, on which the light panel 30 is intended to be mounted, or in a parallel plane to the latter in a first mounted state, or in a plane perpendicular to the latter, in a second mounted state.

La figure 4 illustre une vue en coupe selon le plan (X-Z) du bloc de sécurité de l'invention dans le premier état de montage et la figure 5 illustre une vue en coupe selon le plan (Y-Z) du bloc du bloc de sécurité de l'invention dans le second état de montage.The figure 4 illustrates a sectional view along the plane (XZ) of the safety block of the invention in the first state of assembly and the figure 5 illustrates a sectional view along the plane (YZ) of the block of the safety block of the invention in the second state of assembly.

Comme illustré plus précisément sur les vues en coupe des figures 4 et 5, la partie périphérique extérieure du cadre profilé 30 présente une section transversale, dite section externe du cadre, en forme de « V » ouvert vers l'extérieur et dont la base constitue des parois internes transversales 33 et longitudinales 34, délimitant l'intérieur du cadre profilé 30, où sont logés l'étiquette de signalisation 31 et le guide de lumière 32. Deux ailes transversales 35, légèrement divergentes, s'étendent en saillie, dirigées vers l'extérieur, depuis chaque paroi interne transversale 33 du cadre et eux ailes longitudinale 36, légèrement divergentes, s'étendent en saillie, dirigées vers l'extérieur, depuis chaque paroi interne longitudinale 33 du cadre 30. Ici, le cadre profilé 30 présente une section en V avec ses deux ailes latérales, respectivement suivant la direction transversale et la direction longitudinale, qui divergent l'une par rapport à l'autre à partir de la base mais, en variante, il pourrait présenter une section en U avec ses deux ailes latérales parallèles.As illustrated more precisely on the sectional views of the figures 4 and 5 , the outer peripheral part of the profiled frame 30 has a cross section, called the outer section of the frame, in the shape of a "V" open outwards and the base of which constitutes transverse 33 and longitudinal 34 internal walls, delimiting the interior of the profiled frame 30, where the signaling label 31 and the light guide 32 are housed. Two transverse wings 35, slightly diverging, projecting outwardly, from each transverse internal wall 33 of the frame and they longitudinal wings 36, slightly divergent, projecting outwardly, from each longitudinal internal wall 33 of the frame 30. Here, the profiled frame 30 has a V-shaped section with its two lateral wings, respectively in the direction transverse and longitudinal direction, which diverge from each other from the base but, alternatively, it could have a U-section with its two lateral wings by alleles.

Comme on le voit mieux sur la figure 5, la face interne des parois internes longitudinales 34 du cadre 30, c'est-à-dire la face orientée vers l'intérieur du cadre, à l'opposé des ailes longitudinales 36 par rapport à la paroi interne longitudinale 34, est pourvue d'une rainure longitudinale 37, destinée à positionner et maintenir des bords inférieur et supérieur respectivement du guide de lumière 32 et de l'étiquette de signalisation 31 au sein du cadre profilé 30.As can be seen better on the figure 5 , the internal face of the longitudinal internal walls 34 of the frame 30, that is to say the face oriented towards the interior of the frame, opposite the longitudinal wings 36 with respect to the longitudinal internal wall 34, is provided with 'a longitudinal groove 37, intended to position and maintain the lower and upper edges respectively of the light guide 32 and of the signaling label 31 within the profiled frame 30.

Par ailleurs, et comme illustré à la figure 5, le cadre profilé rectangulaire 30 est pourvu d'une source lumineuse 4, se présentant sous la forme d'un circuit imprimé allongé, disposé selon l'exemple de réalisation contre une face externe de la paroi interne longitudinale supérieure 34 du cadre profilé 30 (« supérieure » s'entendant ici dans la position du bloc 1 tel qu'il est représenté sur la figure 5), et sur lequel est montée alignée une pluralité de diodes électroluminescentes. Le circuit imprimé allongé de la source lumineuse 4 est par exemple fixé par collage le long de cette face externe de la paroi interne longitudinale supérieure 34 du cadre 30. La paroi interne longitudinale supérieure 34 est pourvue d'une pluralité d'ouvertures dans lesquelles est disposée la pluralité de diodes électroluminescentes portées par le circuit imprimé lorsque ce dernier est fixé contre la face externe de la paroi interne longitudinale supérieure du cadre profilé 30.Moreover, and as illustrated in figure 5 , the rectangular profiled frame 30 is provided with a light source 4, in the form of a elongated printed circuit, arranged according to the exemplary embodiment against an external face of the upper longitudinal internal wall 34 of the profiled frame 30 (“upper” here being understood in the position of the block 1 as shown in FIG. figure 5 ), and on which is mounted aligned a plurality of light emitting diodes. The elongated printed circuit of the light source 4 is for example fixed by gluing along this external face of the upper longitudinal internal wall 34 of the frame 30. The upper longitudinal internal wall 34 is provided with a plurality of openings in which is arranged the plurality of light-emitting diodes carried by the printed circuit when the latter is fixed against the external face of the upper longitudinal internal wall of the profiled frame 30.

Le guide de lumière 32, se présentant sous la forme d'une plaque par exemple réalisée en polymétacrylate de méthyl (en abrégé PMMA, de l'anglais Polymethyl Methacrylate), est monté à l'intérieur du cadre profilé 30, de sorte que son bord supérieur logé dans la rainure longitudinale 37 pratiquée dans la face externe de la paroi interne longitudinale supérieure vienne en regard desdites ouvertures, pour former une surface de couplage optique avec les diodes électroluminescentes de la source lumineuse 6. La lumière émise par les diodes électroluminescentes est émise latéralement dans le guide de lumière 32. Ce dernier comprend une première surface, formant une surface de diffusion de la lumière vers l'étiquette de signalisation 31 disposée sus-jacent, préférentiellement par l'intermédiaire d'un film mince diffusant (non représenté), par exemple d'une épaisseur de l'ordre de la centaine de microns et réalisé en PC (polycarbonate) ou PET (polyéthylène téréphtalate), et destiné à être intercalé entre le guide de lumière 32 et l'étiquette de signalisation 4 lors du montage de l'ensemble dans le cadre profilé 30 afin d'homogénéiser la lumière émise. Le guide de lumière 32 comprend aussi une seconde surface opposée à la première surface, et sur laquelle est formé un réseau de microlentilles pour diriger la lumière conduite dans le guide de lumière vers le film diffusant. Ces microlentilles, par exemple sphériques, forment ainsi une couche d'extraction du guide de lumière 32 permettant d'améliorer l'extraction de lumière vers le film diffusant. Un film réfléchissant, non représenté, peut en outre être disposé adjacent à cette seconde surface du guide de lumière 32.The light guide 32, in the form of a plate for example made of polymethyl methacrylate (abbreviated PMMA, from the English Polymethyl Methacrylate), is mounted inside the profiled frame 30, so that its upper edge housed in the longitudinal groove 37 made in the outer face of the upper longitudinal inner wall facing said openings, to form an optical coupling surface with the light emitting diodes of the light source 6. The light emitted by the light emitting diodes is emitted laterally in the light guide 32. The latter comprises a first surface, forming a surface for diffusing the light towards the signaling label 31 disposed above, preferably by means of a thin diffusing film (not shown ), for example with a thickness of the order of a hundred microns and made of PC (polycarbonate) or PET (polyethylene terephthalate), and intended to be interconnected random between the light guide 32 and the signaling label 4 during assembly of the assembly in the profiled frame 30 in order to homogenize the emitted light. The light guide 32 also includes a second surface opposite the first surface, and on which is formed an array of microlenses to direct the light conducted in the light guide towards the diffusing film. These microlenses, for example spherical, thus form an extraction layer of the light guide 32 making it possible to improve the extraction of light towards the diffusing film. A reflective film, not shown, may further be disposed adjacent to this second surface of the light guide 32.

Le guide de lumière, le film diffusant et l'étiquette de signalisation sont montés maintenus en contact plan entre eux et réunis à leur périphérie par le cadre profilé 30, de façon à constituer le panneau lumineux 3 du bloc.The light guide, the diffusing film and the signaling label are mounted maintained in plane contact with each other and joined at their periphery by the profiled frame 30, so as to constitute the light panel 3 of the unit.

On va maintenant décrire plus précisément l'assemblage du panneau lumineux 3 au couvercle 20 du boîtier support du bloc. Comme déjà décrit, le panneau lumineux peut être assemblé au couvercle 20 suivant deux états de montage, respectivement un premier état de montage, où le panneau lumineux 3 s'étend dans un plan parallèle à la face frontale 21 du couvercle 20, correspondant à une configuration d'implantation du bloc sur un mur, et un second état de montage, où le panneau lumineux 3 s'étend dans un plan perpendiculaire à la face frontale 21 du couvercle 20, correspondant à une configuration d'implantation du bloc sur un plafond.We will now describe more precisely the assembly of the light panel 3 to the cover 20 of the support housing of the block. As already described, the light panel can be assembled to the cover 20 according to two assembly states, respectively a first assembly state, where the light panel 3 extends in a plane parallel to the front face 21 of the lid 20, corresponding to a configuration of implantation of the block on a wall, and a second assembly state, where the light panel 3 extends in a plane perpendicular to the front face 21 of the cover 20, corresponding to a configuration of implantation of the block on a ceiling .

Pour ce faire, le couvercle 20 comprend deux tenons latéraux 24, 25, disposés sur des côtés opposés longitudinalement de la face frontale 21 du couvercle 20. Les deux tenons latéraux 24, 25 sont préférentiellement disposés suivant un plan médian longitudinal du couvercle 20. Ils sont préférentiellement venus de moulage, d'une seule pièce avec le reste du couvercle 20. Ils sont adaptés pour permettre d'assujettir le panneau lumineux 3 au couvercle 20, dans les deux états de montage.To do this, the cover 20 comprises two lateral tenons 24, 25, arranged on opposing sides longitudinally of the front face 21 of the cover 20. The two lateral tenons 24, 25 are preferably arranged along a longitudinal median plane of the cover 20. They are preferably molded, in one piece with the rest of the cover 20. They are adapted to make it possible to subject the light panel 3 to the cover 20, in the two mounting states.

Le premier état de montage est décrit en référence à la figure 4. Les tenons latéraux 24 et 25 sont destinés, dans ce premier état de montage, à venir se clipser chacun, dans une encoche correspondante 330 pratiquée sur la face interne de la paroi interne transversale 33 du cadre profilé 30, lorsque ce dernier, amené en surplomb de la face frontale 21 du couvercle 20, en étant disposé parallèlement à celle-ci, vient être appliqué à force contre elle. Lors de cette opération, le cadre profilé 30, qui présente une certaine souplesse de part sa forme, se déforme, permettant ainsi l'introduction des tenons latéraux 24, 25 dans leur encoche correspondante 330 prévue en face interne de la paroi interne transversale 30 du cadre. Les tenons latéraux 24, 25 comportent un bord rigide 240, 250 faisant saillie du corps du tenon et destiné à s'insérer dans ladite encoche 330. Lorsque les tenons latéraux 24, 25 sont insérés dans leur encoche correspondante 330 respective, le cadre profilé 30 est maintenu fixé au couvercle 20 dans un plan parallèle à la face frontale 21 de ce dernier, en masquant avantageusement les tenons latéraux, et est superposé au couvercle de façon sensiblement jointive, c'est-à-dire de manière compacte, sans espace entre eux. En outre, dans cet état de montage, la partie périphérique externe du cadre profilé 30 est sensiblement alignée avec la paroi latérale 22 du couvercle 20. L'ensemble forme alors un bloc particulièrement compact.The first state of assembly is described with reference to figure 4 . The lateral tenons 24 and 25 are intended, in this first state of assembly, to each come to be clipped in a corresponding notch 330 made on the internal face of the transverse internal wall 33 of the profiled frame 30, when the latter, brought overhanging of the front face 21 of the cover 20, being disposed parallel to the latter, comes to be forcefully applied against it. During this operation, the profiled frame 30, which has a certain flexibility due to its shape, is deformed, thus allowing the introduction of the lateral tenons 24, 25 in their corresponding notch 330 provided on the internal face of the transverse internal wall 30 of the frame. The lateral tenons 24, 25 comprise a rigid edge 240, 250 projecting from the body of the tenon and intended to fit into said notch 330. When the lateral tenons 24, 25 are inserted into their respective corresponding notch 330, the profiled frame 30 is kept fixed to the cover 20 in a plane parallel to the front face 21 of the latter, advantageously masking the lateral tenons, and is superimposed on the cover in a substantially contiguous manner, that is to say in a compact manner, with no space between them. In addition, in this mounted state, the outer peripheral part of the profiled frame 30 is substantially aligned with the side wall 22 of the cover 20. The assembly then forms a particularly compact block.

Le second état de montage du panneau lumineux au couvercle est maintenant décrit en référence à la figure 5. Dans ce second état de montage, le panneau lumineux 3 est destiné à être assemblé au couvercle 20 en étant disposé dans un plan perpendiculaire à la face frontale 21 du couvercle 20. Pour ce faire, les tenons latéraux 24, 25 agencés sur la face frontale 21 du couvercle 20 sont prévus cette fois-ci pour coopérer avec les ailes longitudinales 36 faisant saillie vers l'extérieur de la paroi interne longitudinale supérieure 34 du cadre profilé 30. Plus précisément, les deux ailes longitudinales 36 de la paroi interne longitudinale supérieure 34 du cadre profilé, définissent entre elles, à chacune de leurs extrémités respectives, un logement 38 en forme de mortaise, agencé en surplomb de la face externe de la paroi interne longitudinale supérieure 34 et destiné à recevoir à emboîtement les tenons latéraux 24, 25 dans le second état de montage. Ainsi, chaque logement 38 présente un profil d'emboîtement complémentaire du profil des tenons latéraux 24, 25, dans lequel ces derniers peuvent s'engager par coulissement, à la manière d'un tenon dans une mortaise. Les tenons latéraux présentent par exemple, en coupe transversale, un profil ayant une section en forme de trapèze. Le profil d'emboîtement des logements 38 définis entre les deux ailes longitudinales 36, résulte avantageusement du même procédé de fabrication par moulage du cadre profilé. Les tenons latéraux 24, 25, une fois insérés dans leur logement 38 en forme de mortaise correspondant au profil d'emboîtement défini entre les deux ailes longitudinales 36, permettent de maintenir le cadre profilé 30 dans un plan perpendiculaire à la face frontale 21 du couvercle, tout en étant masqué de l'extérieur par les ailes longitudinales 36. En outre, le cadre profilé 30, dans ce second état de montage, est monté mobile en translation le long de sa paroi interne longitudinale supérieure 34, ce qui facilite les opérations de montage et démontage du cadre.The second mounting state of the light panel to the cover is now described with reference to figure 5 . In this second state of assembly, the light panel 3 is intended to be assembled to the cover 20 by being arranged in a plane perpendicular to the front face 21 of the cover 20. To do this, the lateral tenons 24, 25 arranged on the front face 21 of the cover 20 are provided this time to cooperate with the longitudinal wings 36 projecting outwardly from the upper longitudinal internal wall 34 of the profiled frame 30. More precisely, the two longitudinal wings 36 of the upper longitudinal internal wall 34 of the profiled frame, define between them, at each of their respective ends, a housing 38 in the form of a mortise, arranged overhanging the external face of the upper longitudinal internal wall 34 and intended to receive interlocking the lateral tenons 24, 25 in the second state of assembly. Thus, each housing 38 has an interlocking profile complementary to the profile of the lateral tenons 24, 25, in which the latter can engage by sliding, in the manner of a tenon in a mortise. The lateral tenons have, for example, in cross section, a profile having a section in the form of a trapezoid. The interlocking profile of the housings 38 defined between the two longitudinal wings 36, advantageously results from the same manufacturing process by molding the profiled frame. The lateral tenons 24, 25, once inserted into their housing 38 in the form of a mortise corresponding to the interlocking profile defined between the two longitudinal wings 36, make it possible to maintain the profiled frame 30 in a plane perpendicular to the front face 21 of the cover , while being masked from the outside by the longitudinal wings 36. In addition, the profiled frame 30, in this second mounting state, is mounted movable in translation along its upper longitudinal internal wall 34, which facilitates operations. assembly and disassembly of the frame.

Pour l'alimentation électrique de la source lumineuse 6 équipant le panneau lumineux 3, il est nécessaire de raccorder les contacts électriques agencés dans le logement d'accueil 23 du boîtier support à des bornes de connexion électrique du circuit imprimé à diodes électroluminescentes constituant la source lumineuse 6. Pour ce faire, on peut prévoir que des câbles conducteurs électriques circulent depuis le logement d'accueil et sortent par un orifice prévu à cet effet en face frontale du couvercle afin d'établir ladite connexion électrique entre les contacts électriques dans le logement d'accueil et les bornes de connexion électrique du circuit imprimé à diodes électroluminescentes. L'orifice de sortie de câble est prévu le long du plan longitudinal médian du couvercle entre les deux tenons latéraux, de sorte que dans le second état de montage, ledit orifice soit débouchant entre les ailes longitudinales du cadre profilé. Ainsi, les ailes longitudinales permettent de masquer les câbles.For the power supply of the light source 6 fitted to the light panel 3, it is necessary to connect the electrical contacts arranged in the reception housing 23 of the support box to terminals of electrical connection of the light-emitting diode printed circuit constituting the light source 6. To do this, provision can be made for electrical conductive cables to circulate from the reception housing and exit through an orifice provided for this purpose on the front face of the cover in order to establishing said electrical connection between the electrical contacts in the receiving housing and the electrical connection terminals of the light-emitting diode printed circuit. The cable outlet orifice is provided along the median longitudinal plane of the cover between the two lateral tenons, so that in the second mounting state, said orifice opens out between the longitudinal flanges of the profiled frame. Thus, the longitudinal wings make it possible to hide the cables.

En variante, les deux tenons latéraux 24, 25 comportent un insert métallique adapté pour permettre le contact avec les contacts électriques dans le logement d'accueil. Autrement dit, chaque tenon est recouvert au moins en partie d'un insert métallique, lequel est adapté pour s'étendre dans le logement d'accueil jusqu'aux contacts électriques au travers d'une ouverture agencée en face frontale du couvercle, au pied du tenon. Chaque encoche 330 et chaque logement 38, adaptés à coopérer avec les deux tenons latéraux 24, 25, pour réaliser l'assemblage du cadre profilé 30 sur le couvercle 20 dans les deux états de montage, sont également pourvus de plages de connexion métalliques, qui sont adaptées pour être mis en contact avec l'insert métallique des tenons latéraux 24, 25 dans chacun des deux états de montage respectifs. Les bornes de connexion électrique du circuit imprimé à diodes électroluminescentes sont alors reliées à ces plages de connexion métalliques par des pistes conductrices qui sont disposées directement sur le cadre profilé 30. Aussi, selon cette variante, la connexion électrique des bornes de la source lumineuse 6 équipant le cadre profilé 30 avec les contacts électriques au sein du logement d'accueil du boîtier support est avantageusement réalisée concomitamment à l'assemblage du cadre profilé 30 sur le couvercle 20, par la seule mise en relation des moyens participant à l'assemblage, d'une part par clipsage, s'agissant des tenons 24, 25 et encoches 330 dans le premier état de montage et, d'autre part, par emboîtement, s'agissant des tenons 24, 25 et logements 38 dans le second état de montage, sans qu'aucune autre action ne soit nécessaire pour un installateur.As a variant, the two lateral tenons 24, 25 comprise a metal insert adapted to allow contact with the electrical contacts in the reception housing. In other words, each tenon is covered at least in part with a metal insert, which is adapted to extend in the reception housing to the electrical contacts through an opening arranged on the front face of the cover, at the foot. of the tenon. Each notch 330 and each housing 38, adapted to cooperate with the two lateral tenons 24, 25, to achieve the assembly of the profiled frame 30 on the cover 20 in the two mounting states, are also provided with metal connection pads, which are adapted to be brought into contact with the metal insert of the lateral tenons 24, 25 in each of the two respective mounting states. The electrical connection terminals of the light-emitting diode printed circuit are then connected to these metal connection pads by conductive tracks which are arranged directly on the profiled frame 30. Also, according to this variant, the electrical connection of the terminals of the light source 6 equipping the profiled frame 30 with the electrical contacts within the receiving housing of the support box is advantageously carried out concomitantly with the assembly of the profiled frame 30 on the cover 20, by the sole connection of the means participating in the assembly, on the one hand by clipping, as regards the tenons 24, 25 and notches 330 in the first state of assembly and, on the other hand, by interlocking, as regards the tenons 24, 25 and housings 38 in the second state of assembly. assembly, without any further action being necessary for an installer.

Claims (10)

  1. An emergency lighting block comprising:
    a support housing made of a base, open in its front face, adapted to be fixed to a wall or a ceiling by its bottom wall, and of a lid (20) comprising a frontal face (21) to be attached to the base front side to form an accommodating housing (23) for an electric feeding circuit and corresponding electrical contacts, and
    a luminous panel (3) made of at least one signaling label (31) and of a light guide (32) joined together at their periphery by a frame (30), said light guide being conceived to diffuse towards said signaling label the light emitted by at least a light source (6) provided along at least one edge of said frame (30), said luminous panel being conceived to contact said electrical contacts in a mounted state of said luminous panel (3) on said frontal face (21) of the lid for the power supply of said light source (6), both into a first mounting state in which said luminous panel is arranged in a plan parallel to said frontal face and into a second mounting state in which said luminous panel is arranged in a plane perpendicular to said frontal face,
    said lid (20) comprising connectors (24, 25), intended to engage, within said first mounting state, to said frame, characterized in that said connectors are arranged on longitudinally opposite sides of said frontal face (21), intended to snap fit each one, into said first mounting state, to a corresponding notch (330) provided on a transversal inner wall part (33) of said frame (30), said frame having an external section defining a housing (38) intended to securely accommodate said connectors (24, 25) into said second mounting state.
  2. The emergency lighting block according to claim 1, characterized in that said connectors are two lateral tenons (24, 25) formed as an unitary part with said lid.
  3. The emergency lighting block according to claim 2, characterized in that said frame (30) has a V or U-shape outer section, whose two longitudinal wings (36) extending from a longitudinal inner wall (34) of said frame (30) define said housing (38), said housing having a mortise shape.
  4. The emergency lighting block according to claim 2 or 3, characterized in that said two lateral tenons (24, 25) have a body and a rigid edge (240, 250) extending from said body and intended to engage into said notch (330).
  5. The emergency lighting block according to claim 2, 3 or 4, characterized in that said two lateral tenons (24, 25) have, as a transversal section, a profile having a trapezoid shape section.
  6. The emergency lighting block according to any of claims 2 to 5, characterized in that said two lateral tenons (24, 25) have a metallic insert adapted for the contact with said electrical contacts.
  7. The emergency lighting block according to claim 6, characterized in that each notch (330) and housing (38), adapted to cooperate with said two lateral tenons (24, 25) in said first and second mounting states, respectively, are provided with respective metallic connecting areas adapted for the contact with the metallic insert of said two lateral tenons in each one of said first and second mounting states.
  8. The emergency lighting block according to claim 7, characterized in that said light source (6) comprises electric connecting terminals connected to said metallic connecting areas by conducting tracks provided on said frame (30).
  9. The emergency lighting block according to any of preceding claims, characterized in that said light source (6) comprises a light-emitting diode array arranged along a longitudinal inner wall (34) of the frame (30), so that said light-emitting diodes are directed towards said light guide.
  10. The emergency lighting block according to claim 9, characterized in that said light-emitting diodes array is fixed on an outer face of said longitudinal inner wall (34), under said housing (38), so that said light-emitting diodes are arranged within openings provided into said longitudinal inner wall (34).
EP19155453.4A 2018-02-09 2019-02-05 Configurable safety lighting unit Active EP3525198B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1851101A FR3077915B1 (en) 2018-02-09 2018-02-09 CONFIGURABLE SAFETY LIGHTING BLOCK

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EP3525198A1 EP3525198A1 (en) 2019-08-14
EP3525198B1 true EP3525198B1 (en) 2021-05-12

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ID=62017519

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Application Number Title Priority Date Filing Date
EP19155453.4A Active EP3525198B1 (en) 2018-02-09 2019-02-05 Configurable safety lighting unit

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EP (1) EP3525198B1 (en)
FR (1) FR3077915B1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3114140B1 (en) * 2020-09-15 2023-04-28 Legrand France Autonomous safety block
DE102021105588A1 (en) * 2021-03-09 2022-09-15 Zumtobel Lighting Gmbh SAFETY SIGN LUMINAIRE WITH FIBER OPTICS

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7739818B2 (en) * 2006-02-14 2010-06-22 ABL IP Lighting, LLC Illuminated sign insert
US7753552B2 (en) * 2008-03-07 2010-07-13 Thomas & Betts International, Inc. Quick install canopy
EP2642473A3 (en) * 2012-03-23 2014-03-19 Leonardo Nortes Cano Traffic warning sign
FR3020709B1 (en) * 2014-05-05 2016-05-20 Cooper Technologies Co FIXING ARRANGEMENT FOR A SIGNALING ELEMENT DISPLAY DEVICE

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
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Publication number Publication date
EP3525198A1 (en) 2019-08-14
FR3077915A1 (en) 2019-08-16
FR3077915B1 (en) 2020-02-28

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