EP2299022B1 - Smoke vent - Google Patents

Smoke vent Download PDF

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Publication number
EP2299022B1
EP2299022B1 EP10174899.4A EP10174899A EP2299022B1 EP 2299022 B1 EP2299022 B1 EP 2299022B1 EP 10174899 A EP10174899 A EP 10174899A EP 2299022 B1 EP2299022 B1 EP 2299022B1
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EP
European Patent Office
Prior art keywords
panel
smoke
mounting
opening
walls
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EP10174899.4A
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German (de)
French (fr)
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EP2299022A1 (en
Inventor
Gilles Duissard
Romain Masse
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Concept Composites Auvergne 2CA SAS
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Concept Composites Auvergne 2CA SAS
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Publication of EP2299022A1 publication Critical patent/EP2299022A1/en
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
    • E04D13/03—Sky-lights; Domes; Ventilating sky-lights
    • E04D13/035—Sky-lights; Domes; Ventilating sky-lights characterised by having movable parts
    • E04D13/0358—Sky-lights; Domes; Ventilating sky-lights characterised by having movable parts the parts moving, in their own plane, e.g. rolling or sliding, or moving in parallel planes with or without an additional movement, e.g. both pivoting and rolling or sliding

Definitions

  • the invention relates to a smoke outlet.
  • a smoke outlet is a safety device that, in case of fire, evacuates smoke and heat present in a building.
  • An outlet whether manual or automatic, is located at the top of a building, preferably on the roof.
  • the outlet comprises an opening defined by a frame, or curb, equipped with a removable shutter panel allowing, in an inactive configuration also called waiting position, to seal the opening in an airtight and airtight manner. water and, in active configuration, said safety position, that is to say in case of fire, to clear the opening to allow the passage of smoke and heat.
  • Known shutter panels are known to be hinged around hinges or opening with the aid of a compass-type device. These panels are generally operated using cylinders. Such a type of panel, when the outlet is in active configuration, is located above the opening in the roof. When the panel is mounted on hinges, it is then in a generally vertical position. In this position, in addition to taking a large wind, the panel can form, because of its opening and closing mechanisms, an obstacle disrupting the exit of the smoke. Such an obstacle can, in certain cases, induce the folding of the smoke towards the interior of the building. In addition, the opening is not completely clear, the part of the panel connected to the curb partially closing it.
  • FR-A-2,835,874 a panel mounted on the frame of a smoke outlet, parallel to the main plane of the opening.
  • This panel is formed by two plates apart from each other, in a horizontal plane, with cylinders arranged centrally in the opening of the frame.
  • Such a device is not satisfactory since, during the evacuation of the smoke, the passage thereof is thwarted by the presence of the cylinders.
  • FR-A-2,866,372 describes a smoke outlet with two articulated opening.
  • the passage of the smoke defined by the frame includes deflectors. These form an obstacle to the free passage of smoke.
  • EP-A-1,380,707 describes a smoke outlet, also with two articulated opening. The latter are provided with external shutters forming windbreaks. The passage of the smoke is, here too, disturbed by the presence of the shutters.
  • the invention intends to remedy more particularly by proposing a smoke outlet of simple construction, the smoke opening opening of which is completely open, the smoke passing with a minimum of disturbance by such an outlet.
  • the invention relates to a smoke outlet comprising a frame defining a passage opening for the smoke and a shutter panel of this opening, slidably mounted on the frame, characterized in that the frame is equipped with at least one masking member of the control means for the opening and closing of the panel, adapted to define, in part, the opening for passage of the smoke in the outlet.
  • the invention also relates to a building roof equipped with at least one outlet according to one of the preceding characteristics.
  • the outlet 1 represented at figure 1 is in the shape of a parallelepiped, in this case it is square-based. Alternatively, it may be rectangular.
  • the outlet 1 comprises a frame 2, also called curb, fixed on a roof 3 of a building, partially represented in the figure 1 .
  • the seal between the outlet 1 and the roof 3, and the anchoring of the frame 2 on the roof 3, are provided by an outward return of the side walls 4 of the frame 2. This return of the walls 4 forms a foot 5 to the chassis 2.
  • the Figures 1 and 2 illustrate the outlet in the use configurations. The high and low parts are defined in relation to these Figures 1 and 2 .
  • the curb is equipped, at the top, looking at the figure 1 , a panel 6 whose dimensions are adapted to close the area delimited by the walls 4 of the curb. This area corresponds to an opening 7, called the nominal opening, formed in the roof 3. In other words, the curb or frame 2 is fixed above an opening 7 of the roof 3.
  • the panel 6 comprises a main sail which is plane. It is made of a rigid material, insensitive to environmental conditions. This is for example a polymer, a metal or glass.
  • the panel 6 is made of a material that does not allow the light to pass. Alternatively, it may be made of a transparent or translucent material. Alternatively, the main web of the panel 6 is not flat, for example it is curved or dome-shaped.
  • the panel 6 comprises, on three of its sides 8, flanks 9 extending downwards, that is to say in the direction of the roof 3 when the outlet 1 is in position thereon.
  • the flanks 9 extend over the entire length of the sides 8 and have a width adapted to hide and protect, in the closed position of the panel 6, at least the upper part of the curb.
  • the flanks 9 form a stiffening frame. In this way, the opening 7 is protected from bad weather and dust.
  • the curb or frame 2 is provided, on two walls 4, parallel, two control means of the opening and closing of the panel 6.
  • These control means comprise two rails 10, parallel, each disposed above each wall 4 of the curb, the side of the outer face 11 of the wall 4, as is clearly visible figure 5 .
  • slides 12 are moved by means of rollers 13.
  • the length L 12 of these sliders 12 is sufficient for the open position of the panel 6, which extends outside the frame 2.
  • the free ends 14 of the sliders 12, located outside the curb 2 in the open position of the outlet, are connected by a bar 15, visible to the figures 2 , 3 and 5 .
  • This bar 15 ensures the parallelism of the sliders 12 during their movements, so that their translational movements in the rails 10 are synchronous.
  • the bar 15 connects the sliders 12 to a lower face 16 of the panel 6, so as to cause the panel 6 during movement of the sliders 12.
  • the fixing of the bar 15 on the panel 16 takes place by welding. In variant not shown, the fixing is done by means of screws.
  • the movement of the panel 6 is provided by two jacks 20, for example electric cylinders. Alternatively, it is pneumatic cylinders.
  • the free ends of the rods 200 of the jacks 20 are fixed on the bar 15, in the vicinity of its ends.
  • the cylinders 201 of the cylinders are secured to one side 41 of the frame.
  • the cylinders 20 are arranged on the side of the inner face 110 of the walls 4, being generally parallel to the rails 10, close to the latter.
  • the opening and closing stroke of the panel 6 is a function of the stroke of the cylinders 20.
  • the figure 6 illustrates an attachment piece 50, elongate and U-shaped cross section.
  • This part 50 makes it easy to mount and / or change the cylinders 20, regardless of the dimensions thereof.
  • two pairs of notches 51, 52 are of shapes and dimensions adapted to ensure the attachment of cylinders 20 of different lengths.
  • the shape of the piece 50 namely the parallel branches 53, 54 of the U, allows it to receive cylinders of different diameters.
  • the panel 6 is equipped with a plate 17 on one side 80.
  • This side 80 is located facing a wall 40 of the curb 2 when the outlet is in open configuration.
  • This plate 17 extends upwards, that is to say towards the outside of the building when the outlet 1 is in place on the roof, from an upper face 18 of the panel 6.
  • a seal seals the closure of the panel 6 on the chassis 2.
  • Each wall 4 of the curb 2 is provided on its inner face 110 with a mask member 21 for controlling the opening and closing of the panel 6, namely the rails 10, the sliders 12 and the cylinders 20.
  • This member or masking veil 21 extends, continuously, on the inner face 110 of the wall 4 of each of the sides 8.
  • the veil 21 extends upward looking at the Figures 1, 2 , 4 and 5 . It is oriented angularly with respect to the walls 4 of the curb 2 and is fixed to the lower edge of each wall 4.
  • the angle ⁇ , at the figure 5 between the sail 21 and the horizontal is between 60 ° and 70 °.
  • this web 21 defines, with each wall 4, a housing 22, configured in V, for receiving the control means 10, 12 and 20.
  • the web 21 is fixed discontinuously, for example by tabs, to the wall 4.
  • the housing 22 is V-shaped whose tip is open.
  • the nominal opening 7 delimited by the curb 2 is thus reduced by the presence of the sail 21, a face 23, facing the interior of the frame 2, defines a passage 220, said useful passage, allowing the evacuation of smoke.
  • This passage 220 is configured as a funnel whose output 221, of smaller dimensions, is directed towards the top of the outlet 1 and a mouth 222, of larger dimensions, is oriented towards the interior of the building.
  • an insulator for example rock wool or polyurethane foam. This improves the thermal insulation and / or sound of the outlet 1, without disturbing the operation of the panel 6 nor change the overall appearance and size of the outlet.
  • the funnel configuration of the passage 220 improves the extraction of the smoke.
  • the speed of extraction of the smoke is increased.
  • the evacuation of the smoke is all the more effective that the suction of air by Venturi effect, according to the arrow F 1 , increases the speed of exit of the smoke, by suction of it.
  • a depression is indeed generated above the opening 222 by the air driven outwards, thanks to the Venturi effect induced by the clearance J between the curb 2 and the panel 6.
  • the useful passage 220 available for the passage of the smoke has an area less than that of the nominal opening 7, the dimensions and the configuration of this useful passage 220 are adapted to ensure optimal evacuation of the smoke. Indeed, it does not cause any turbulence of the flow of smoke passing through the outlet 1, this through a funnel configuration of the passage 220. In other words, the absence of obstacle on the passage of the smoke, because the control means of the panel 6 are masked and therefore have no contact with the smoke, allows to induce a laminar flow, undisturbed, the latter when leaving the building.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Building Environments (AREA)

Description

L'invention a trait à un exutoire de fumée.The invention relates to a smoke outlet.

Un exutoire de fumée est un dispositif de sécurité permettant, en cas d'incendie, d'évacuer la fumée et la chaleur présentes dans un bâtiment. Un exutoire, qu'il soit à déclenchement manuel ou automatique, est situé en partie haute d'un bâtiment, avantageusement sur la toiture.A smoke outlet is a safety device that, in case of fire, evacuates smoke and heat present in a building. An outlet, whether manual or automatic, is located at the top of a building, preferably on the roof.

L'exutoire comprend une ouverture délimitée par un châssis, ou costière, équipé d'un panneau d'obturation amovible permettant, en configuration inactive également dénommée position d'attente, d'obturer l'ouverture de manière étanche à l'air et à l'eau et, en configuration active, dite position de sécurité, c'est-à-dire en cas d'incendie, de dégager l'ouverture afin de permettre le passage de la fumée et de la chaleur.The outlet comprises an opening defined by a frame, or curb, equipped with a removable shutter panel allowing, in an inactive configuration also called waiting position, to seal the opening in an airtight and airtight manner. water and, in active configuration, said safety position, that is to say in case of fire, to clear the opening to allow the passage of smoke and heat.

On connait des panneaux d'obturation montés articulés autour de charnières ou s'ouvrant à l'aide d'un dispositif de type compas. Ces panneaux sont généralement manoeuvrés à l'aide de vérins. Un tel type de panneau, lorsque l'exutoire est en configuration active, est situé au dessus de l'ouverture ménagée dans la toiture. Lorsque le panneau est monté sur des charnières, il est alors en position globalement verticale. Dans cette position, outre une prise au vent importante, le panneau peut former, du fait de ses mécanismes d'ouverture et de fermeture, un obstacle perturbant la sortie de la fumée. Un tel obstacle peut, dans certains cas, induire le rabattement de la fumée vers l'intérieur du bâtiment. De plus, l'ouverture n'est pas totalement dégagée, la partie du panneau reliée à la costière l'obturant partiellement.Known shutter panels are known to be hinged around hinges or opening with the aid of a compass-type device. These panels are generally operated using cylinders. Such a type of panel, when the outlet is in active configuration, is located above the opening in the roof. When the panel is mounted on hinges, it is then in a generally vertical position. In this position, in addition to taking a large wind, the panel can form, because of its opening and closing mechanisms, an obstacle disrupting the exit of the smoke. Such an obstacle can, in certain cases, induce the folding of the smoke towards the interior of the building. In addition, the opening is not completely clear, the part of the panel connected to the curb partially closing it.

On connaît par FR-A-2 835 874 , un panneau monté sur le châssis d'un exutoire de fumée, parallèlement au plan principal de l'ouverture. Ce panneau est formé par deux plaques s'écartant l'une de l'autre, dans un plan horizontal, à l'aide de vérins disposés en position centrale dans l'ouverture du châssis. Un tel dispositif n'est pas satisfaisant puisque, lors de l'évacuation de la fumée, le passage de celle-ci est contrarié par la présence des vérins.We know by FR-A-2,835,874 , a panel mounted on the frame of a smoke outlet, parallel to the main plane of the opening. This panel is formed by two plates apart from each other, in a horizontal plane, with cylinders arranged centrally in the opening of the frame. Such a device is not satisfactory since, during the evacuation of the smoke, the passage thereof is thwarted by the presence of the cylinders.

On connait également par WO-A-2008/095 490 , un exutoire dont le châssis est pourvu d'un panneau coulissant, en une ou deux parties selon le mode de réalisation. Ce panneau est actionné par une crémaillère située sur le coté du châssis. Un tel système est relativement complexe tant au niveau de la mise en oeuvre que de son entretien et nécessite des moyens de commande de la crémaillère relativement élaborés, donc onéreux.We also know by WO-A-2008 / 095,490 , an outlet whose frame is provided with a sliding panel, in one or two parts according to the method of production. This panel is operated by a rack located on the side of the chassis. Such a system is relatively complex both in terms of implementation and maintenance and requires rack control means relatively elaborate, so expensive.

FR-A-2 866 372 décrit un exutoire de fumée avec deux ouvrants articulés. Le passage de la fumée délimité par le bâti comprend des déflecteurs. Ces derniers forment un obstacle au libre passage de la fumée. FR-A-2,866,372 describes a smoke outlet with two articulated opening. The passage of the smoke defined by the frame includes deflectors. These form an obstacle to the free passage of smoke.

EP-A-1 380 707 décrit un exutoire de fumée, également avec deux ouvrants articulés. Ces derniers sont pourvus de volets extérieurs formant des pare-vent. Le passage de la fumée est, ici aussi, perturbé par la présence des volets. EP-A-1,380,707 describes a smoke outlet, also with two articulated opening. The latter are provided with external shutters forming windbreaks. The passage of the smoke is, here too, disturbed by the presence of the shutters.

C'est à ces inconvénients qu'entend plus particulièrement remédier l'invention en proposant un exutoire de fumée de construction simple, dont l'ouverture de passage de la fumée est complètement dégagée en position ouverte, la fumée passant avec un minimum de perturbation par un tel exutoire.It is these drawbacks that the invention intends to remedy more particularly by proposing a smoke outlet of simple construction, the smoke opening opening of which is completely open, the smoke passing with a minimum of disturbance by such an outlet.

A cet effet, l'invention a pour objet un exutoire de fumée comprenant un châssis délimitant une ouverture de passage pour la fumée et un panneau d'obturation de cette ouverture, monté coulissant sur le châssis, caractérisé en ce que le châssis est équipé d'au moins un organe de masquage des moyens de commande de l'ouverture et de la fermeture du panneau, adapté pour définir, en partie, l'ouverture de passage de la fumée dans l'exutoire.To this end, the invention relates to a smoke outlet comprising a frame defining a passage opening for the smoke and a shutter panel of this opening, slidably mounted on the frame, characterized in that the frame is equipped with at least one masking member of the control means for the opening and closing of the panel, adapted to define, in part, the opening for passage of the smoke in the outlet.

La présence d'un tel organe de masquage permet d'améliorer l'écoulement de la fumée lors de son évacuation du bâtiment, tout en masquant les moyens de manoeuvre du panneau, ce qui améliore également l'aspect visuel de l'exutoire.The presence of such a masking member improves the flow of smoke during its evacuation of the building, while masking the means of maneuvering the panel, which also improves the visual appearance of the outlet.

Selon des aspects avantageux mais non obligatoires de l'invention, un tel exutoire peut incorporer une ou plusieurs des caractéristiques suivantes :

  • l'organe de masquage est formé par un voile monté sur une face interne des parois, en partie basse du châssis, à proximité de la zone de fixation du châssis sur une toiture de bâtiment.
  • Le voile est fixé angulairement aux parois, définissant avec celles-ci un logement de réception, en forme de V, s'étendant le long des parois et adapté pour recevoir les moyens de commande.
  • Un matériau isolant est inséré dans le logement de réception.
  • Une face du voile, ainsi fixé aux parois, définit un passage pour la fumée configuré en entonnoir.
  • La section maximale du passage pour la fumée est située au plus près de la toiture et correspond à une embouchure de l'entonnoir défini par le voile.
  • Lorsque le panneau est en position ouverte, le panneau est écarté du châssis, un bord du châssis et un bord du panneau étant parallèles.
  • L'écartement du panneau par rapport au châssis est adapté pour réaliser un appel d'air, par effet Venturi entre le bord du panneau et le bord du châssis, cet appel d'air étant orienté en direction de l'extérieur du bâtiment.
  • Les moyens de commande comprennent des rails et des coulisseaux mobiles en translation dans les rails, à l'aide de galets, sous l'action de deux vérins situés à proximité de deux parois parallèles du châssis.
According to advantageous but non-mandatory aspects of the invention, such an outlet may incorporate one or more of the following features:
  • the masking member is formed by a web mounted on an inner face of the walls, at the bottom of the frame, near the fastening area of the frame on a building roof.
  • The web is angularly fixed to the walls, defining therewith a V-shaped receiving housing extending along the walls and adapted to receive the control means.
  • An insulating material is inserted into the receiving housing.
  • A face of the veil, thus fixed to the walls, defines a passage for smoke configured as a funnel.
  • The maximum section of the smoke passage is located closest to the roof and corresponds to a mouth of the funnel defined by the veil.
  • When the panel is in the open position, the panel is spaced from the frame, one edge of the frame and one edge of the panel being parallel.
  • The spacing of the panel relative to the frame is adapted to achieve a call for air by Venturi effect between the edge of the panel and the edge of the frame, this air intake being directed towards the outside of the building.
  • The control means comprise rails and slides movable in translation in the rails, using rollers, under the action of two jacks located near two parallel walls of the frame.

L'invention concerne également une toiture de bâtiment équipée d'au moins un exutoire conforme à l'une des caractéristiques précédentes.The invention also relates to a building roof equipped with at least one outlet according to one of the preceding characteristics.

L'invention sera mieux comprise et d'autres avantages de celle-ci apparaîtront plus clairement à la lecture de la description qui va suivre d'un exutoire conforme à l'invention, donnée uniquement à titre d'exemple et faite en se référant aux dessins annexés dans lesquels :

  • la figure 1 est une vue en perspective d'un exutoire conforme à l'invention dont le panneau est en position ouverte, une toiture de bâtiment étant schématiquement illustrée,
  • la figure 2 est une vue de l'exutoire de la figure 1, à la même échelle, en position fermée, la partie pleine du panneau étant omise pour visualiser les moyens de commande du panneau, la toiture n'étant pas illustrée pour plus de lisibilité,
  • la figure 3 est une vue de dessus, à plus grande échelle, de l'exutoire dans la configuration de la figure 1,
  • la figure 4 est une coupe selon les flèches IV-IV à la figure 3,
  • la figure 5 est une coupe selon les flèches V-V à la figure 4 et
  • la figure 6 est une vue générale, à plus grand échelle, d'une pièce constitutive de l'exutoire.
The invention will be better understood and other advantages thereof will appear more clearly on reading the following description of an outlet according to the invention, given solely by way of example and made with reference to drawings in which:
  • the figure 1 is a perspective view of an outlet according to the invention whose panel is in the open position, a building roof being schematically illustrated,
  • the figure 2 is a view of the outlet of the figure 1 at the same scale, in the closed position, the solid part of the panel being omitted to display the control means of the panel, the roof not being illustrated for more legibility,
  • the figure 3 is a view from above, on a larger scale, of the outlet in the configuration of the figure 1 ,
  • the figure 4 is a section along arrows IV-IV at the figure 3 ,
  • the figure 5 is a cut according to the VV arrows at the figure 4 and
  • the figure 6 is a general view, on a larger scale, of a constituent part of the outlet.

L'exutoire 1 représenté à la figure 1 est en forme de parallélépipède, en l'espèce, il est à base carrée. En variante, il peut être à base rectangulaire.The outlet 1 represented at figure 1 is in the shape of a parallelepiped, in this case it is square-based. Alternatively, it may be rectangular.

L'exutoire 1 comprend un châssis 2, également dénommé costière, fixé sur une toiture 3 d'un bâtiment, partiellement représentée à la figure 1. L'étanchéité entre l'exutoire 1 et la toiture 3, ainsi que l'ancrage du châssis 2 sur la toiture 3, sont assurés par un retour vers l'extérieur des parois latérales 4 du châssis 2. Ce retour des parois 4 forme un pied 5 au châssis 2. Les figures 1 et 2 illustrent l'exutoire dans les configurations d'utilisation. Les parties haute et basse sont définies par rapport à ces figures 1 et 2.The outlet 1 comprises a frame 2, also called curb, fixed on a roof 3 of a building, partially represented in the figure 1 . The seal between the outlet 1 and the roof 3, and the anchoring of the frame 2 on the roof 3, are provided by an outward return of the side walls 4 of the frame 2. This return of the walls 4 forms a foot 5 to the chassis 2. The Figures 1 and 2 illustrate the outlet in the use configurations. The high and low parts are defined in relation to these Figures 1 and 2 .

La costière est équipée, en partie haute en regardant la figure 1, d'un panneau 6 dont les dimensions sont adaptées pour obturer l'aire délimitée par les parois 4 de la costière. Cette aire correspond à une ouverture 7, dite ouverture nominale, ménagée dans la toiture 3. En d'autres termes, la costière ou châssis 2 est fixée au dessus d'une ouverture 7 de la toiture 3.The curb is equipped, at the top, looking at the figure 1 , a panel 6 whose dimensions are adapted to close the area delimited by the walls 4 of the curb. This area corresponds to an opening 7, called the nominal opening, formed in the roof 3. In other words, the curb or frame 2 is fixed above an opening 7 of the roof 3.

Le panneau 6 comprend un voile principal qui est plan. Il est réalisé dans un matériau rigide, insensible aux conditions environnementales. Il s'agit par exemple d'un polymère, d'un métal ou de verre. Le panneau 6 est réalisé dans un matériau ne laissant pas passer la lumière. En variante, il peut être réalisé dans un matériau transparent ou translucide. En variante, le voile principal du panneau 6 n'est pas plan, par exemple il est bombé ou en forme de coupole.The panel 6 comprises a main sail which is plane. It is made of a rigid material, insensitive to environmental conditions. This is for example a polymer, a metal or glass. The panel 6 is made of a material that does not allow the light to pass. Alternatively, it may be made of a transparent or translucent material. Alternatively, the main web of the panel 6 is not flat, for example it is curved or dome-shaped.

Le panneau 6 comprend, sur trois de ses côtés 8, des flancs 9 s'étendant vers le bas, c'est-à-dire en direction de la toiture 3 lorsque l'exutoire 1 est en position sur celle-ci. Les flancs 9 s'étendent sur toute la longueur des côtés 8 et ont une largeur adaptée pour masquer et protéger, en position fermée du panneau 6, au moins la partie haute de la costière. Les flancs 9 forment un cadre de rigidification. De cette manière, l'ouverture 7 est protégée des intempéries et de la poussière.The panel 6 comprises, on three of its sides 8, flanks 9 extending downwards, that is to say in the direction of the roof 3 when the outlet 1 is in position thereon. The flanks 9 extend over the entire length of the sides 8 and have a width adapted to hide and protect, in the closed position of the panel 6, at least the upper part of the curb. The flanks 9 form a stiffening frame. In this way, the opening 7 is protected from bad weather and dust.

La costière ou châssis 2 est pourvue, sur deux parois 4, parallèles, de deux moyens de commande de l'ouverture et de la fermeture du panneau 6. Ces moyens de commande comprennent deux rails 10, parallèles, disposés chacun au dessus de chaque paroi 4 de la costière, du côté de la face externe 11 de la paroi 4, comme cela est bien visible figure 5. Dans ces rails 10, des coulisseaux 12 se déplacent à l'aide de galets 13. La longueur L 12 de ces coulisseaux 12 est suffisante pour qu'en position ouverte du panneau 6, celui-ci s'étende à l'extérieur du châssis 2.The curb or frame 2 is provided, on two walls 4, parallel, two control means of the opening and closing of the panel 6. These control means comprise two rails 10, parallel, each disposed above each wall 4 of the curb, the side of the outer face 11 of the wall 4, as is clearly visible figure 5 . In these rails 10, slides 12 are are moved by means of rollers 13. The length L 12 of these sliders 12 is sufficient for the open position of the panel 6, which extends outside the frame 2.

Les extrémités libres 14 des coulisseaux 12, situées à l'extérieur de la costière 2 en position ouverte de l'exutoire, sont reliées par une barre 15, visible aux figures 2, 3 et 5. Cette barre 15 assure le parallélisme des coulisseaux 12 lors de leurs déplacements, afin que leurs mouvements de translation dans les rails 10 soient synchrones.The free ends 14 of the sliders 12, located outside the curb 2 in the open position of the outlet, are connected by a bar 15, visible to the figures 2 , 3 and 5 . This bar 15 ensures the parallelism of the sliders 12 during their movements, so that their translational movements in the rails 10 are synchronous.

La barre 15 relie les coulisseaux 12 à une face inférieure 16 du panneau 6, de manière à entraîner le panneau 6 lors du déplacement des coulisseaux 12. La fixation de la barre 15 sur le panneau 16 a lieu par soudage. En variante non représentée, la fixation se fait au moyen de vis.The bar 15 connects the sliders 12 to a lower face 16 of the panel 6, so as to cause the panel 6 during movement of the sliders 12. The fixing of the bar 15 on the panel 16 takes place by welding. In variant not shown, the fixing is done by means of screws.

La mise en mouvement du panneau 6 est assurée par deux vérins 20, par exemple des vérins électriques. En variante, il s'agit de vérins pneumatiques. Les extrémités libres des tiges 200 des vérins 20 sont fixées sur la barre 15, au voisinage de ses extrémités. Les cylindres 201 des vérins sont solidaires d'un côté 41 du châssis. Les vérins 20 sont disposés du côté de la face interne 110 des parois 4, en étant globalement parallèles aux rails 10, à proximité de ces derniers. La course d'ouverture et de fermeture du panneau 6 est fonction de la course des vérins 20.The movement of the panel 6 is provided by two jacks 20, for example electric cylinders. Alternatively, it is pneumatic cylinders. The free ends of the rods 200 of the jacks 20 are fixed on the bar 15, in the vicinity of its ends. The cylinders 201 of the cylinders are secured to one side 41 of the frame. The cylinders 20 are arranged on the side of the inner face 110 of the walls 4, being generally parallel to the rails 10, close to the latter. The opening and closing stroke of the panel 6 is a function of the stroke of the cylinders 20.

La figure 6 illustre une pièce 50 de fixation, allongée et à section transversale en U. Cette pièce 50 permet de monter et/ou de changer aisément les vérins 20, quelles que soient les dimensions de ceux-ci. Pour cela, deux paires d'encoches 51, 52 sont de formes et de dimensions adaptées pour assurer la fixation de vérins 20 de différentes longueurs. La forme de la pièce 50, à savoir les branches parallèles 53, 54 du U, permet à celle-ci de recevoir des vérins de différents diamètres.The figure 6 illustrates an attachment piece 50, elongate and U-shaped cross section. This part 50 makes it easy to mount and / or change the cylinders 20, regardless of the dimensions thereof. For this, two pairs of notches 51, 52 are of shapes and dimensions adapted to ensure the attachment of cylinders 20 of different lengths. The shape of the piece 50, namely the parallel branches 53, 54 of the U, allows it to receive cylinders of different diameters.

Le panneau 6 est équipé d'une plaque 17 sur un côté 80. Ce côté 80 est situé en regard d'une paroi 40 de la costière 2 lorsque l'exutoire est en configuration ouverte. Cette plaque 17 s'étend vers le haut, c'est-à-dire vers l'extérieur du bâtiment lorsque l'exutoire 1 est en place sur la toiture, à partir d'une face supérieure 18 du panneau 6.The panel 6 is equipped with a plate 17 on one side 80. This side 80 is located facing a wall 40 of the curb 2 when the outlet is in open configuration. This plate 17 extends upwards, that is to say towards the outside of the building when the outlet 1 is in place on the roof, from an upper face 18 of the panel 6.

Lorsque le panneau 6 est fermé, la plaque 17 est en appui contre une butée 19 ménagée sur le côté 41 de la costière opposé au côté 40. Avantageusement, un joint, non représenté, assure l'étanchéité de la fermeture du panneau 6 sur le châssis 2.When the panel 6 is closed, the plate 17 bears against a stop 19 formed on the side 41 of the curb opposite the side 40. Advantageously, a seal, not shown, seals the closure of the panel 6 on the chassis 2.

Comme représenté aux figures 3 et 4, lorsque le panneau 6 est complètement ouvert, c'est-à-dire lorsque les coulisseaux 12 sont en bout de course après un déplacement selon la flèche F, la partie supérieure du châssis 2 est complètement dégagée. Dans cette position, le bord 80 du panneau 6 est écarté du bord 40 de la costière 2. Un jour J est ménagé entre la costière 2 et le panneau 6. Ce jour J a des dimensions adaptées, généralement entre 2 cm et 10 cm pour favoriser une aspiration d'air selon la flèche F1 à la figure 4, par effet Venturi. Cette aspiration d'air, orientée vers l'extérieur, favorise, indirectement, l'aspiration de la fumée présente dans le bâtiment et sa sortie vers l'extérieur.As represented in figures 3 and 4 when the panel 6 is fully open, that is to say when the sliders 12 are at the end of travel after a movement along the arrow F, the upper part of the frame 2 is completely disengaged. In this position, the edge 80 of the panel 6 is spaced from the edge 40 of the curb 2. A day J is formed between the curb 2 and the panel 6. This day J has adapted dimensions, generally between 2 cm and 10 cm for to favor a suction of air according to the arrow F 1 at the figure 4 , by Venturi effect. This aspiration of air, directed towards the outside, favors, indirectly, the aspiration of the smoke present in the building and its exit towards the outside.

Chaque paroi 4 de la costière 2 est pourvue, sur sa face interne 110, d'un organe 21 de masquage des moyens de commande de l'ouverture et de la fermeture du panneau 6, à savoir les rails 10, les coulisseaux 12 et les vérins 20. Cet organe ou voile de masquage 21 s'étend, en continu, sur la face interne 110 de la paroi 4 de chacun des côtés 8.Each wall 4 of the curb 2 is provided on its inner face 110 with a mask member 21 for controlling the opening and closing of the panel 6, namely the rails 10, the sliders 12 and the cylinders 20. This member or masking veil 21 extends, continuously, on the inner face 110 of the wall 4 of each of the sides 8.

Le voile 21 s'étend vers le haut en regardant les figures 1, 2, 4 et 5. Il est orienté angulairement par rapport aux parois 4 de la costière 2 et il est fixé au bord inférieur de chaque paroi 4. L'angle α, à la figure 5, entre le voile 21 et l'horizontale est compris entre 60° et 70°. En d'autres termes, ce voile 21 définit, avec chaque paroi 4, un logement 22, configuré en V, de réception des moyens de commande 10, 12 et 20.The veil 21 extends upward looking at the Figures 1, 2 , 4 and 5 . It is oriented angularly with respect to the walls 4 of the curb 2 and is fixed to the lower edge of each wall 4. The angle α, at the figure 5 between the sail 21 and the horizontal is between 60 ° and 70 °. In other words, this web 21 defines, with each wall 4, a housing 22, configured in V, for receiving the control means 10, 12 and 20.

En variante non illustrée, le voile 21 est fixé de manière discontinue, par exemple par des pattes, à la paroi 4. Dans ce cas, le logement 22 est en forme de V dont la pointe est ouverte.In a non-illustrated variant, the web 21 is fixed discontinuously, for example by tabs, to the wall 4. In this case, the housing 22 is V-shaped whose tip is open.

L'ouverture nominale 7 délimitée par la costière 2 est ainsi réduite par la présence du voile 21 dont une face 23, orientée vers l'intérieur du châssis 2, définit un passage 220, dit passage utile, permettant l'évacuation de la fumée.The nominal opening 7 delimited by the curb 2 is thus reduced by the presence of the sail 21, a face 23, facing the interior of the frame 2, defines a passage 220, said useful passage, allowing the evacuation of smoke.

Ce passage 220 est configuré en entonnoir dont la sortie 221, de plus petites dimensions, est orientée vers le haut de l'exutoire 1 et dont une embouchure 222, de plus grandes dimensions, est orientée vers l'intérieur du bâtiment.This passage 220 is configured as a funnel whose output 221, of smaller dimensions, is directed towards the top of the outlet 1 and a mouth 222, of larger dimensions, is oriented towards the interior of the building.

Ainsi, un utilisateur placé à l'intérieur du bâtiment ne voit de l'exutoire 1 que le voile 21, les ouvertures 221 et 222 et une partie du panneau 6. L'aspect visuel de l'exutoire 1 est ainsi amélioré.Thus, a user placed inside the building sees the outlet 1 as the veil 21, the openings 221 and 222 and part of the panel 6. The visual appearance of the outlet 1 is thus improved.

Par ailleurs, il est possible d'insérer dans le logement 22, en plus des moyens de commande, un isolant, thermique et/ou phonique, par exemple de la laine de roche ou de la mousse de polyuréthane. On améliore ainsi l'isolation thermique et/ou phonique de l'exutoire 1, cela sans gêner la manoeuvre du panneau 6 ni modifier l'aspect général et l'encombrement de l'exutoire.Furthermore, it is possible to insert in the housing 22, in addition to the control means, an insulator, thermal and / or sound, for example rock wool or polyurethane foam. This improves the thermal insulation and / or sound of the outlet 1, without disturbing the operation of the panel 6 nor change the overall appearance and size of the outlet.

La configuration en entonnoir du passage 220 permet d'améliorer l'extraction de la fumée. En réduisant la section disponible pour le passage de la fumée lors de sa sortie du bâtiment, selon la direction F2, on augmente la vitesse d'extraction de la fumée. L'évacuation de la fumée est d'autant plus efficace que l'aspiration d'air par effet Venturi, selon la flèche F1, augmente la vitesse de sortie de la fumée, par aspiration de celle-ci. Une dépression est en effet générée au dessus de l'ouverture 222 par l'air entrainé vers l'extérieur, grâce à l'effet Venturi induit par le jeu J entre la costière 2 et le panneau 6.The funnel configuration of the passage 220 improves the extraction of the smoke. By reducing the section available for the passage of the smoke when it leaves the building, in the direction F 2 , the speed of extraction of the smoke is increased. The evacuation of the smoke is all the more effective that the suction of air by Venturi effect, according to the arrow F 1 , increases the speed of exit of the smoke, by suction of it. A depression is indeed generated above the opening 222 by the air driven outwards, thanks to the Venturi effect induced by the clearance J between the curb 2 and the panel 6.

Même si le passage utile 220 disponible pour le passage de la fumée a une aire inférieure à celle de l'ouverture nominale 7, les dimensions et la configuration de ce passage utile 220 sont adaptées pour assurer une évacuation optimale de la fumée. En effet, on ne provoque aucune turbulence de l'écoulement de la fumée passant par l'exutoire 1, cela grâce à une configuration en entonnoir du passage 220. En d'autres termes, l'absence d'obstacle sur le passage de la fumée, du fait que les moyens de commande du panneau 6 sont masqués et n'ont donc pas de contact avec la fumée, permet d'induire un écoulement laminaire, non perturbée, de cette dernière lors de sa sortie du bâtiment.Although the useful passage 220 available for the passage of the smoke has an area less than that of the nominal opening 7, the dimensions and the configuration of this useful passage 220 are adapted to ensure optimal evacuation of the smoke. Indeed, it does not cause any turbulence of the flow of smoke passing through the outlet 1, this through a funnel configuration of the passage 220. In other words, the absence of obstacle on the passage of the smoke, because the control means of the panel 6 are masked and therefore have no contact with the smoke, allows to induce a laminar flow, undisturbed, the latter when leaving the building.

Claims (10)

  1. Smoke extractor (1) comprising a mounting (2) delimiting an opening (220) for passage of the smoke and a closing panel (6) for this opening mounted to slide on the mounting, characterised in that the mounting (2) is fitted with at least one screening element (21) for the control means (10, 12, 13, 20) for opening and closing the panel (6) arranged to partially define the opening (220) of the smoke in the extractor (1).
  2. Extractor according to claim 1, characterised in that the screening element is formed by a covering (21) mounted on an inside face (110) of the walls (4) in the lower portion of the mounting (2) close to the zone where the mounting (2) is fastened to a building roof (3).
  3. Extractor according to claim 2, characterised in that the covering is fastened on an angle (α) to the walls (4) defining with these a V-shaped slot (22) extending along the walls (4) and arranged to receive the control means (10, 12, 13, 20).
  4. Extractor according to claim 3, characterised in that an insulating material is inserted into the slot (22).
  5. Extractor according to claim 2 or 3, characterised in that a face (23) of the covering (21) thus fastened to the walls (4) defines a funnel-shaped passage (220) for the smoke.
  6. Extractor according to claim 5, characterised in that the maximum section of the passage (220) for the smoke is located closest to the roof and corresponds to a mouth (222) of the funnel defined by the covering (21).
  7. Extractor according to one of the preceding claims, characterised in that when the panel (6) is in open position, the panel (6) is spaced (J) from the mounting (2), wherein an edge (40) of the mounting (2) and an edge (80) of the panel (6) are parallel.
  8. Extractor according to claim 7, characterised in that the spacing (J) of the panel (6) in relation to the mounting (2) is arranged to obtain a flow of air as a result of the venturi effect between the edge (80) of the panel (6) and the edge (40) of the mounting (2), wherein this flow of air is oriented (F1) towards the exterior of the building.
  9. Extractor according to one of the preceding claims, characterised in that the control means comprise rails (10) and sliders (12) that are movable back and forth in the rails (10) by means of rollers (13) under the action of two cylinders (20) located close to two parallel walls (4) of the mounting (2).
  10. Roof fitted with at least one extractor (1) in accordance with one of the preceding claims.
EP10174899.4A 2009-09-11 2010-09-01 Smoke vent Active EP2299022B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0956226A FR2950090B1 (en) 2009-09-11 2009-09-11 EXAMPLE OF SMOKE

Publications (2)

Publication Number Publication Date
EP2299022A1 EP2299022A1 (en) 2011-03-23
EP2299022B1 true EP2299022B1 (en) 2015-11-04

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ID=42066494

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10174899.4A Active EP2299022B1 (en) 2009-09-11 2010-09-01 Smoke vent

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EP (1) EP2299022B1 (en)
FR (1) FR2950090B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU224267U1 (en) * 2023-04-21 2024-03-19 Общество с ограниченной ответственностью "Меркор-ПРУФ" Fireproof hatch to the roof

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105952073A (en) * 2016-06-17 2016-09-21 江苏通鼎宽带有限公司 Sliding skylight for machine room cooling channel

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2510643A1 (en) * 1981-07-30 1983-02-04 World Acrilux Duct for evacuating smoke from building - incorporates air deflector which prevents build up of eddies in main duct
NL8901650A (en) * 1989-06-29 1991-01-16 Colt Int Bv HATCH FOR A ROOF OR HOOD.
FR2835874B1 (en) 2002-02-08 2005-02-04 Technal SLIDING OPENING CHASSIS FOR ROOFING OR SIMILAR
FR2841921B1 (en) * 2002-07-04 2005-01-14 Hexadome Sa EXHIBITION OF DESENFUMAGE COMPRISING RETRACTABLE WINDSHIELD SHUTTERS
FR2866372A1 (en) * 2004-02-12 2005-08-19 Hexadome Sa Smoke exhaust vent for use in roof of e.g. factory, has frame that delimits evacuation channel connecting inside and outside of building, where frame has deflectors for canalizing smoke flow circulating in channel
EP2118396A4 (en) 2007-02-08 2012-05-16 Lumex As Smoke hatch

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU224267U1 (en) * 2023-04-21 2024-03-19 Общество с ограниченной ответственностью "Меркор-ПРУФ" Fireproof hatch to the roof

Also Published As

Publication number Publication date
EP2299022A1 (en) 2011-03-23
FR2950090A1 (en) 2011-03-18
FR2950090B1 (en) 2011-12-09

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