EP1462732A1 - Apparatus for fresh air ventilation and/or fume venting of a room. - Google Patents

Apparatus for fresh air ventilation and/or fume venting of a room. Download PDF

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Publication number
EP1462732A1
EP1462732A1 EP04290781A EP04290781A EP1462732A1 EP 1462732 A1 EP1462732 A1 EP 1462732A1 EP 04290781 A EP04290781 A EP 04290781A EP 04290781 A EP04290781 A EP 04290781A EP 1462732 A1 EP1462732 A1 EP 1462732A1
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EP
European Patent Office
Prior art keywords
blade
elementary
blades
edge
frame
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.)
Withdrawn
Application number
EP04290781A
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German (de)
French (fr)
Inventor
Kamel Djeffal
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.)
Souchier Boullet SAS
Original Assignee
Souchier SAS
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Filing date
Publication date
Application filed by Souchier SAS filed Critical Souchier SAS
Publication of EP1462732A1 publication Critical patent/EP1462732A1/en
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F24F13/15—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre with parallel simultaneously tiltable lamellae
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/32—Responding to malfunctions or emergencies
    • F24F11/33—Responding to malfunctions or emergencies to fire, excessive heat or smoke
    • F24F11/34—Responding to malfunctions or emergencies to fire, excessive heat or smoke by opening air passages
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/22—Means for preventing condensation or evacuating condensate
    • F24F2013/221—Means for preventing condensation or evacuating condensate to avoid the formation of condensate, e.g. dew

Definitions

  • the invention relates to an apparatus for fresh air intake and / or smoke extraction from a room, intended to be installed on the facade or roof of a building, this apparatus comprising a frame on which is articulated at least one blade pivotally mounted between a closed position and an open position, and a blade control means, frame and or each blade being made of metal, in particular aluminum.
  • Such a device is subject to constraints climatic and / or thermal which lead to adopt metal, in particular aluminum, for making of the frame and the blades, in order to ensure good resistance of the device over time and good reliability, in particular for smoke extraction.
  • metals and in particular aluminum, are good thermal conductors and acoustic so that the presence of such a device, even in the closed position, decreases the properties thermal and / or sound insulation of a facade or a roof of a building.
  • the object of the invention is, above all, to provide a device of the kind defined above which exhibits good thermal and / or acoustic insulation properties closed position, while remaining simple in construction and while ensuring good reliability with respect to operating constraints.
  • an apparatus for admission fresh air and / or smoke extraction from a room is characterized in that the or each blade comprises at least one elementary outer blade and an inner metal elementary blade, spaced one on the other and assembled by first connecting means in thermally insulating material, capable of creating a thermal break between the two blades elementary, made in the form of bars of material synthetic, orthogonal to the mid-plane of the blades elementary.
  • the elementary blade has, in the vicinity of each of its edges longitudinal, on its side facing the elementary blade interior, a projecting profile, in which a longitudinal groove, opening towards the inner blade and extending parallel to the geometric axis hinge X and on the upper side of the blade lower elementary projections are provided corresponding with section grooves transverse open towards the blade.
  • the bar present on its edges longitudinal of the conjugate protrusions of the grooves provided in the projections of the elementary blades so that the bar is engaged in these grooves and ensures the mechanical connection between the elementary blades without contact between the metal parts of these blades.
  • said bars extend along the entire length of the blades.
  • the size of the bars parallel to the X axis is reduced and several bars spaced from each other are arranged according to the direction parallel to the X axis.
  • the frame comprises at least one profile exterior and interior metal profile assembled by second connecting means made of insulating material thermally suitable for creating a thermal break between the outer profile and the inner profile of the frame.
  • the articulation between the blade and the frame is made using a means of articulation provided on the outer elementary blade and cooperating with a additional means provided on the framework, in particular on the outside profile of the frame.
  • the longitudinal edge of a blade outer elementary away from the hinge edge has a concave curved shape towards the elementary blade lower, a vertical tongue projecting under the edge and extending parallel to the direction longitudinal of the blade, the curved edge being provided for cover the neighboring hinge edge with a blade adjacent, the tab entering a slot which found in the upper part of the edge.
  • the entire device is designed so that, in the closed position, the edge of an elementary blade outer, away from the joint, covers the edge close to the joint of the neighboring outer blade, while a blade located at the edge of the device closes, by its external elementary blade, against the profile outside the frame.
  • the second connecting means can also be made of synthetic material, especially plastic. These second connecting means are advantageously constituted by bars.
  • the device generally has several blades parallels articulated around geometric axes parallel; advantageously for each blade is provided at minus a gusset attached to the inner elementary blade.
  • the gusset can be fitted on the elementary blade interior by an appropriately shaped connection.
  • the gussets can be connected together by a connecting rod, the opening and closing control means comprising a linear cylinder arranged between the profile inside the frame and the connecting rod.
  • the space between an elementary blade outer and an inner elementary blade can be filled with thermal insulation material and / or acoustic.
  • a device A for the intake of fresh air (ventilation) and / or the smoke extraction from a room can be installed on the facade or roof of a building.
  • the apparatus comprises a frame 1 on which is articulated at least one blade 2 pivotally mounted between a closed position, shown in solid lines on Fig. 1 and an open position shown in lines mixed on this same Fig. 1.
  • a control means C is designed to ensure motorized opening of the blades 2 and thus establish air communication between the interior of the building which is below the apparatus A according to Fig. 1, and the exterior which is above.
  • device A has several blades, six blades in the example of Fig. 1, arranged parallel to each other and articulated around of parallel geometric axes.
  • Each blade usually has a rectangular shape and can rotate around one of its long sides.
  • the frame 1 and the blades 2 are made of metal, preferably aluminum.
  • Each blade 2 comprises an elementary blade outer 2a and an inner elementary blade 2b in aluminum spaced from each other and assembled by first connecting means L1 in insulating material thermally suitable for creating a thermal break between the two elementary blades 2a, 2b.
  • the elementary blades 2a, 2b are formed, for the most part, by two parallel plates between they.
  • a longitudinal edge 3a of the elementary blade outer 2a is profiled in a circular section turning its convexity towards the lower elementary blade 2b.
  • This edge 3a constitutes a means of articulation of the blade and cooperates with combined means provided on the frame to ensure the articulation of the blade around an axis geometric X.
  • the longitudinal edge 4a distant from the edge 3a has a concave curved shape towards the lower elementary blade 2b.
  • a vertical tab 5a protrudes under the edge 4a and extends parallel to the longitudinal direction of blade 2, orthogonal to the plane of Fig. 1.
  • the curved edge 4a is intended to come cover the neighboring hinge edge 3a with a blade 2 adjacent.
  • the tab 5a can enter a slot 6a which is located in the upper part of the edge 3a.
  • the lower elementary blade 2b has on its longitudinal edge on the side of the hinge edge 3a a curved part 3b turning its concavity towards the edge 3a which it partially surrounds without being in contact with him.
  • the first L1 connection means are advantageously produced in the form of bars 7 in synthetic material, especially plastic.
  • the outer elementary blade 2a comprises, in the vicinity of each of its longitudinal edges, on its face turned towards the inner elementary blade 2b, a projecting profile 8a, 9a, for example with cross-section rectangular, in which a groove is provided longitudinal for example with a T section, opening towards the blade 2b and extending parallel to the geometric axis hinge X.
  • projections 8b, 9b corresponding with section grooves transverse for example in T open towards the blade 2a.
  • the bar 7 has on its longitudinal edges conjugate projections of the grooves provided in the projections 8a, 9a, 8b, 9b of the blades 2a, 2b so that the bar 7 can be engaged in these grooves and ensure the mechanical connection between the blades 2a, 2b without there have contact between the metal parts of these blades.
  • the bars 7 are orthogonal to the mean planes of the blades 2a, 2b and can extend along the entire length of the blades. Alternatively, the size of the bars parallel to the X axis is reduced and several bars spaced from each other are arranged according to the direction parallel to the X axis.
  • At least one gusset 10 is fixed under each blade lower elementary 2b.
  • Gusset 10 has a shape substantially triangular and its perimeter surrounds an area open 11.
  • One side 12 of the gusset 10 is applied against the blade 2b.
  • This side 12 has, towards its ends, projections 13, 14 suitable for fitting into housings correspondents provided in the blade 2b to ensure a shape connection between gusset 11 and blade 2.
  • the projecting parts 13, 14 have a circular outline and correspond to surfaces cylindrical engaged in conjugate grooves of the blade 2b.
  • the top 15 of the gusset 10 opposite the side 12 is located near the vertical plane passing through the axis of articulation X.
  • Each vertex 15 has a hole 16 specific to receive a hinge pin 16a provided on a connecting rod 17 formed by a rod extending orthogonally to the axes parallel articulation geometries X.
  • the control means C is advantageously consisting of a linear, pneumatic, electric or mechanical.
  • the jack 18 comprises a hinged cylinder 18a on a yoke 19 fixed inside the frame 1.
  • the jack 18 further comprises a rod 18b which can come out of the cylinder 18a.
  • the outer end of the rod 18b is articulated on an axis 20 integral with the connecting rod 17 on which are articulated all the gussets 10.
  • the exit of the rod 18b causes the displacement of the rod 17 to the left of Fig. 1 and the opening simultaneous of all the blades 2 which remain parallel between them.
  • the driving element constituted by the jack 18 for control the movement of the blades 2 can be connected either to the connecting rod 17 as illustrated in FIG. 1, that is to say a gusset 10.
  • a several motors such as cylinder 18 can be provided for a better distribution of opening efforts.
  • Engines, in particular the jacks fixed to frame 1 of the device are made invisible from inside the building by one or several cover covers (not shown).
  • the frame 1 comprises at least one external profile 1a and an interior profile 1b. Each profile has a section substantially at right angles whose concavity is turned outwards. Frame 1 usually has a shape rectangular. The sections of aluminum profiles constituting each side are assembled by welding.
  • the outer profile 1a and the inner profile 1b are assembled by second connecting means L2 in thermally insulating material capable of creating a rupture thermal bridge between the two profiles 1a, 1b.
  • the second connecting means L2 are advantageously also constituted by bars 27 made of synthetic material, especially plastic, whose edges for example in the shape of a T are engaged in grooves of conjugate form provided in projections profiles 1a, 1b. These bars 27 are orthogonal to the adjacent faces of profiles 1a, 1b.
  • the sections 1a, 1b may include wings of stiffening but there is no direct contact between the metal parts of each profile.
  • the outer edge 4a of the last blade of the series comes to rest, in the closed position of the device, against the upper edge of the outer profile 1a.
  • the tongue 5a engages against the inner face of the edge upper part of profile 1a as shown in Fig. 1.
  • the upper edge of the inner profile 1b can have a cylindrical rod 21 (Fig. 3) against which comes to bear, in the closed position, the edge of the blade lower elementary 2b.
  • the space between the blades 2a and 2b is filled with an insulating material I whose nature is chosen according to the desired insulation: thermal or acoustic insulation, low or high.
  • the insulating material I can be in the form of bands 23 folded in accordion and housed in space limited by blades 2a, 2b. The increase in thermal insulation performance of the device can as well be adjusted with the use of this insulating material I.
  • the operation of the device results from explanations above.
  • the closed position is obtained when the rod 18b of the jack is retracted.
  • a closed outer wall is produced by the elementary outer blades 2a, the edges 4a cover the neighboring blade or the outer profile the frame.

Abstract

The apparatus has a set of blades (2) articulated on a frame (2), where each blade comprises an external elementary blade (2a) and an internal elementary blade (2b). The elementary blades are spaced apart from each other by thermally insulating connection unit (L1) to create a thermal bridge between the elementary blades. The frame and the blades (2, 2a, 2b) are made of aluminum.

Description

L'invention est relative à un appareil pour l'admission d'air frais et/ou le désenfumage d'un local, destiné à être installé en façade ou en toiture d'un bâtiment, cet appareil comprenant un cadre sur lequel est articulée au moins une lame montée pivotante entre une position de fermeture et une position d'ouverture, et un moyen de commande de la lame, le cadre et la ou chaque lame étant réalisés en métal, notamment en aluminium.The invention relates to an apparatus for fresh air intake and / or smoke extraction from a room, intended to be installed on the facade or roof of a building, this apparatus comprising a frame on which is articulated at least one blade pivotally mounted between a closed position and an open position, and a blade control means, frame and or each blade being made of metal, in particular aluminum.

Un tel appareil est soumis à des contraintes climatiques et/ou thermiques qui conduisent à adopter du métal, en particulier de l'aluminium, pour la réalisation du cadre et des lames, afin d'assurer une bonne tenue de l'appareil dans le temps et une bonne fiabilité, notamment pour le désenfumage.Such a device is subject to constraints climatic and / or thermal which lead to adopt metal, in particular aluminum, for making of the frame and the blades, in order to ensure good resistance of the device over time and good reliability, in particular for smoke extraction.

Toutefois, les métaux, et en particulier l'aluminium, sont de bons conducteurs thermiques et acoustiques de sorte que la présence d'un tel appareil, même en position fermée, vient diminuer les propriétés d'isolation thermique et/ou phonique d'une façade ou d'une toiture d'un bâtiment.However, metals, and in particular aluminum, are good thermal conductors and acoustic so that the presence of such a device, even in the closed position, decreases the properties thermal and / or sound insulation of a facade or a roof of a building.

L'invention a pour but, surtout, de fournir un appareil du genre défini précédemment qui présente de bonnes propriétés d'isolation thermique et/ou acoustique en position fermée, tout en restant d'une construction simple et tout en assurant une bonne fiabilité vis à vis des contraintes de fonctionnement.The object of the invention is, above all, to provide a device of the kind defined above which exhibits good thermal and / or acoustic insulation properties closed position, while remaining simple in construction and while ensuring good reliability with respect to operating constraints.

Selon l'invention, un appareil pour l'admission d'air frais et/ou le désenfumage d'un local, du genre défini précédemment, est caractérisé en ce que la ou chaque lame comprend au moins une lame élémentaire extérieure et une lame élémentaire intérieure métalliques, espacées l'une de l'autre et assemblées par des premiers moyens de liaison en matière isolante thermiquement, propres à créer une rupture de pont thermique entre les deux lames élémentaires, réalisés sous forme de barrettes en matière synthétique, orthogonales aux plans moyens des lames élémentaires.According to the invention, an apparatus for admission fresh air and / or smoke extraction from a room, such as defined above, is characterized in that the or each blade comprises at least one elementary outer blade and an inner metal elementary blade, spaced one on the other and assembled by first connecting means in thermally insulating material, capable of creating a thermal break between the two blades elementary, made in the form of bars of material synthetic, orthogonal to the mid-plane of the blades elementary.

Plus préférentiellement encore, la lame élémentaire comporte, au voisinage de chacun de ses bords longitudinaux, sur sa face tournée vers la lame élémentaire intérieure, un profil en saillie, dans lequel est prévu une rainure longitudinale, débouchant vers la lame intérieure et s'étendant parallèlement à l'axe géométrique d'articulation X et sur la face supérieure de la lame élémentaire inférieure sont prévues des saillies correspondantes comportant des rainures à section transversale ouvertes vers la lame.Even more preferably, the elementary blade has, in the vicinity of each of its edges longitudinal, on its side facing the elementary blade interior, a projecting profile, in which a longitudinal groove, opening towards the inner blade and extending parallel to the geometric axis hinge X and on the upper side of the blade lower elementary projections are provided corresponding with section grooves transverse open towards the blade.

Avantageusement, la barrette présente sur ses bords longitudinaux des parties en saillie conjuguées des rainures prévues dans les saillies des lames élémentaires de sorte que la barrette est engagée dans ces rainures et assure la liaison mécanique entre les lames élémentaires sans contact entre les parties métalliques de ces lames.Advantageously, the bar present on its edges longitudinal of the conjugate protrusions of the grooves provided in the projections of the elementary blades so that the bar is engaged in these grooves and ensures the mechanical connection between the elementary blades without contact between the metal parts of these blades.

De préférence, lesdites barrettes s'étendent suivant toute la longueur des lames.Preferably, said bars extend along the entire length of the blades.

En variante, la dimension des barrettes parallèlement à l'axe X est réduite et plusieurs barrettes espacées les unes des autres sont disposées suivant la direction parallèle à l'axe X.Alternatively, the size of the bars parallel to the X axis is reduced and several bars spaced from each other are arranged according to the direction parallel to the X axis.

De préférence, le cadre comprend au moins un profil extérieur et un profil intérieur métalliques assemblés par des seconds moyens de liaison en matière isolante thermiquement propres à créer une rupture de pont thermique entre le profil extérieur et le profil intérieur du cadre.Preferably, the frame comprises at least one profile exterior and interior metal profile assembled by second connecting means made of insulating material thermally suitable for creating a thermal break between the outer profile and the inner profile of the frame.

Avantageusement l'articulation entre la lame et le cadre est réalisée à l'aide d'un moyen d'articulation prévu sur la lame élémentaire extérieure et coopérant avec un moyen complémentaire prévu sur le cadre, notamment sur le profil extérieur du cadre.Advantageously, the articulation between the blade and the frame is made using a means of articulation provided on the outer elementary blade and cooperating with a additional means provided on the framework, in particular on the outside profile of the frame.

De préférence, le bord longitudinal d'une lame élémentaire extérieure éloigné du bord d'articulation a une forme recourbée concave vers la lame élémentaire inférieure, une languette verticale faisant saillie sous le bord et s'étendant parallèlement à la direction longitudinale de la lame, le bord recourbé étant prévu pour venir recouvrir le bord d'articulation voisin d'une lame adjacente, la languette entrant dans une fente qui se trouve en partie haute du bord.Preferably, the longitudinal edge of a blade outer elementary away from the hinge edge has a concave curved shape towards the elementary blade lower, a vertical tongue projecting under the edge and extending parallel to the direction longitudinal of the blade, the curved edge being provided for cover the neighboring hinge edge with a blade adjacent, the tab entering a slot which found in the upper part of the edge.

L'ensemble de l'appareil est prévu pour que, dans la position de fermeture, le bord d'une lame élémentaire extérieure, éloigné de l'articulation, recouvre le bord proche de l'articulation de la lame extérieure voisine, tandis qu'une lame située en bordure de l'appareil se ferme, par sa lame élémentaire extérieure, contre le profil extérieur du cadre.The entire device is designed so that, in the closed position, the edge of an elementary blade outer, away from the joint, covers the edge close to the joint of the neighboring outer blade, while a blade located at the edge of the device closes, by its external elementary blade, against the profile outside the frame.

Les seconds moyens de liaison peuvent également être en matière synthétique, notamment en matière plastique. Ces seconds moyens de liaison sont avantageusement constitués par des barrettes.The second connecting means can also be made of synthetic material, especially plastic. These second connecting means are advantageously constituted by bars.

L'appareil comporte généralement plusieurs lames parallèles articulées autour d'axes géométriques parallèles ; avantageusement pour chaque lame est prévu au moins un gousset fixé à la lame élémentaire intérieure. Le gousset peut être emboíté sur la lame élémentaire intérieure par une liaison de forme appropriée. Les goussets peuvent être reliés entre eux par une bielle, le moyen de commande de l'ouverture et de la fermeture comprenant un vérin linéaire disposé entre le profil intérieur du cadre et la bielle.The device generally has several blades parallels articulated around geometric axes parallel; advantageously for each blade is provided at minus a gusset attached to the inner elementary blade. The gusset can be fitted on the elementary blade interior by an appropriately shaped connection. The gussets can be connected together by a connecting rod, the opening and closing control means comprising a linear cylinder arranged between the profile inside the frame and the connecting rod.

L'espace compris entre une lame élémentaire extérieure et une lame élémentaire intérieure peut être rempli d'un matériau d'isolation thermique et/ou acoustique.The space between an elementary blade outer and an inner elementary blade can be filled with thermal insulation material and / or acoustic.

L'invention consiste, mises à part les dispositions exposées ci-dessus, en un certain nombre d'autres dispositions dont il sera plus explicitement question ci-après à propos d'un exemple de réalisation décrit en détail avec référence aux dessins annexés, mais qui n'est nullement limitatif. Sur ces dessins :

  • Fig.1 est une vue en coupe verticale d'un appareil selon l'invention.
  • Fig.2 est une vue en coupe à plus grande échelle d'une lame et du gousset correspondant et
  • Fig.3 est une coupe verticale partielle à plus grande échelle du cadre.
    • The invention consists, apart from the arrangements set out above, of a certain number of other arrangements which will be more explicitly discussed below in connection with an exemplary embodiment described in detail with reference to the accompanying drawings, but which is by no means limiting. In these drawings:
  • Fig.1 is a vertical sectional view of an apparatus according to the invention.
  • Fig. 2 is an enlarged sectional view of a blade and the corresponding gusset and
  • Fig.3 is a partial vertical section on a larger scale of the frame.

    • En se reportant aux dessins, on peut voir un appareil A pour l'admission d'air frais (aération) et/ou le désenfumage d'un local. Cet appareil A peut être installé en façade ou en toiture d'un bâtiment. La représentation schématique de Fig.1, selon laquelle l'appareil A est horizontal, correspond à une installation en toiture. Dans le cas d'une installation en façade le plan moyen de l'appareil serait vertical.Referring to the drawings, we can see a device A for the intake of fresh air (ventilation) and / or the smoke extraction from a room. This device A can be installed on the facade or roof of a building. The representation diagram of Fig. 1, according to which the apparatus A is horizontal, corresponds to a roof installation. In in the case of a front installation the average plan of the device would be vertical.

    L'appareil comprend un cadre 1 sur lequel est articulé au moins une lame 2 montée pivotante entre une position de fermeture, représentée en traits pleins sur Fig.1 et une position d'ouverture représentée en traits mixtes sur cette même Fig. 1. Un moyen de commande C est prévu pour assurer une ouverture motorisée de la ou des lames 2 et établir ainsi une communication de l'air entre l'intérieur du bâtiment qui se trouve au-dessous de l'appareil A selon Fig.1, et l'extérieur qui se trouve au-dessus.The apparatus comprises a frame 1 on which is articulated at least one blade 2 pivotally mounted between a closed position, shown in solid lines on Fig. 1 and an open position shown in lines mixed on this same Fig. 1. A control means C is designed to ensure motorized opening of the blades 2 and thus establish air communication between the interior of the building which is below the apparatus A according to Fig. 1, and the exterior which is above.

    Généralement, l'appareil A comporte plusieurs lames, six lames dans l'exemple de Fig. 1, disposées parallèlement les unes aux autres et articulées autour d'axes géométriques parallèles. Chaque lame a généralement une forme rectangulaire et peut pivoter autour de l'un de ses grands côtés.Generally, device A has several blades, six blades in the example of Fig. 1, arranged parallel to each other and articulated around of parallel geometric axes. Each blade usually has a rectangular shape and can rotate around one of its long sides.

    Le cadre 1 et les lames 2 sont réalisées en métal, de préférence an aluminium.The frame 1 and the blades 2 are made of metal, preferably aluminum.

    Chaque lame 2 comprend une lame élémentaire extérieure 2a et une lame élémentaire intérieure 2b en aluminium espacées l'une de l'autre et assemblées par des premiers moyens de liaison L1 en matière isolante thermiquement propres à créer une rupture de pont thermique entre les deux lames élémentaires 2a, 2b.Each blade 2 comprises an elementary blade outer 2a and an inner elementary blade 2b in aluminum spaced from each other and assembled by first connecting means L1 in insulating material thermally suitable for creating a thermal break between the two elementary blades 2a, 2b.

    Les lames élémentaires 2a, 2b sont constituées, dans leur majeure partie, par deux plaques parallèles entre elles. Un bord longitudinal 3a de la lame élémentaire extérieure 2a est profilé suivant une section circulaire tournant sa convexité vers la lame élémentaire inférieure 2b. Ce bord 3a constitue un moyen d'articulation de la lame et coopère avec des moyens conjugués prévus sur le cadre pour assurer l'articulation de la lame autour d'un axe géométrique X. Le bord longitudinal 4a éloigné du bord d'articulation 3a a une forme recourbée concave vers la lame élémentaire inférieure 2b. Une languette verticale 5a fait saillie sous le bord 4a et s'étend parallèlement à la direction longitudinale de la lame 2, orthogonale au plan de Fig. 1. Le bord recourbé 4a est prévu pour venir recouvrir le bord d'articulation voisin 3a d'une lame 2 adjacente. La languette 5a peut entrer dans une fente 6a qui se trouve en partie haute du bord 3a.The elementary blades 2a, 2b are formed, for the most part, by two parallel plates between they. A longitudinal edge 3a of the elementary blade outer 2a is profiled in a circular section turning its convexity towards the lower elementary blade 2b. This edge 3a constitutes a means of articulation of the blade and cooperates with combined means provided on the frame to ensure the articulation of the blade around an axis geometric X. The longitudinal edge 4a distant from the edge 3a has a concave curved shape towards the lower elementary blade 2b. A vertical tab 5a protrudes under the edge 4a and extends parallel to the longitudinal direction of blade 2, orthogonal to the plane of Fig. 1. The curved edge 4a is intended to come cover the neighboring hinge edge 3a with a blade 2 adjacent. The tab 5a can enter a slot 6a which is located in the upper part of the edge 3a.

    La lame élémentaire inférieure 2b comporte sur son bord longitudinal situé du côté du bord d'articulation 3a une partie recourbée 3b tournant sa concavité vers le bord 3a qu'elle entoure partiellement sans être en contact avec lui.The lower elementary blade 2b has on its longitudinal edge on the side of the hinge edge 3a a curved part 3b turning its concavity towards the edge 3a which it partially surrounds without being in contact with him.

    Les premiers moyens de liaison L1 sont avantageusement réalisés sous forme de barrettes 7 en matière synthétique, notamment en matière plastique. Pour l'assemblage, la lame élémentaire extérieure 2a comporte, au voisinage de chacun de ses bords longitudinaux, sur sa face tournée vers la lame élémentaire intérieure 2b, un profil en saillie 8a, 9a, par exemple à section rectangulaire, dans lequel est prévu une rainure longitudinale par exemple à section en T, débouchant vers la lame 2b et s'étendant parallèlement à l'axe géométrique d'articulation X. Sur la face supérieure de la lame élémentaire inférieure 2b sont prévues des saillies 8b, 9b correspondantes comportant des rainures à section transversale par exemple en T ouvertes vers la lame 2a.The first L1 connection means are advantageously produced in the form of bars 7 in synthetic material, especially plastic. For assembly, the outer elementary blade 2a comprises, in the vicinity of each of its longitudinal edges, on its face turned towards the inner elementary blade 2b, a projecting profile 8a, 9a, for example with cross-section rectangular, in which a groove is provided longitudinal for example with a T section, opening towards the blade 2b and extending parallel to the geometric axis hinge X. On the upper side of the blade lower elementary 2b are provided projections 8b, 9b corresponding with section grooves transverse for example in T open towards the blade 2a.

    La barrette 7 présente sur ses bords longitudinaux des parties en saillie conjuguées des rainures prévues dans les saillies 8a,9a, 8b, 9b des lames 2a, 2b de sorte que la barrette 7 peut être engagée dans ces rainures et assurer la liaison mécanique entre les lames 2a, 2b sans qu'il y ait contact entre les parties métalliques de ces lames. Les barrettes 7 sont orthogonales aux plans moyens des lames 2a, 2b et peuvent s'étendre suivant toute la longueur des lames. En variante, la dimension des barrettes parallèlement à l'axe X est réduite et plusieurs barrettes espacées les unes des autres sont disposées suivant la direction parallèle à l'axe X.The bar 7 has on its longitudinal edges conjugate projections of the grooves provided in the projections 8a, 9a, 8b, 9b of the blades 2a, 2b so that the bar 7 can be engaged in these grooves and ensure the mechanical connection between the blades 2a, 2b without there have contact between the metal parts of these blades. The bars 7 are orthogonal to the mean planes of the blades 2a, 2b and can extend along the entire length of the blades. Alternatively, the size of the bars parallel to the X axis is reduced and several bars spaced from each other are arranged according to the direction parallel to the X axis.

    Au moins un gousset 10 est fixé sous chaque lame élémentaire inférieure 2b. Le gousset 10 a une forme sensiblement triangulaire et son périmètre entoure une zone ouverte 11. Un côté 12 du gousset 10 est appliqué contre la lame 2b. Ce côté 12 comporte, vers ses extrémités, des saillies 13, 14 propres à s'emboíter dans des logements correspondants prévus dans la lame 2b pour assurer une liaison de forme entre le gousset 11 et la lame 2. Dans l'exemple représenté, les parties en saillie 13, 14 ont un contour circulaire et correspondent à des surfaces cylindriques engagées dans des rainures conjuguées de la lame 2b. Le sommet 15 du gousset 10 opposé au côté 12 est situé au voisinage du plan vertical passant par l'axe d'articulation X.At least one gusset 10 is fixed under each blade lower elementary 2b. Gusset 10 has a shape substantially triangular and its perimeter surrounds an area open 11. One side 12 of the gusset 10 is applied against the blade 2b. This side 12 has, towards its ends, projections 13, 14 suitable for fitting into housings correspondents provided in the blade 2b to ensure a shape connection between gusset 11 and blade 2. In the example shown, the projecting parts 13, 14 have a circular outline and correspond to surfaces cylindrical engaged in conjugate grooves of the blade 2b. The top 15 of the gusset 10 opposite the side 12 is located near the vertical plane passing through the axis of articulation X.

    Chaque sommet 15 comporte un trou 16 propre à recevoir un axe d'articulation 16a prévu sur une bielle 17 formée par une tringle s'étendant orthogonalement aux axes géométriques d'articulation parallèles X.Each vertex 15 has a hole 16 specific to receive a hinge pin 16a provided on a connecting rod 17 formed by a rod extending orthogonally to the axes parallel articulation geometries X.

    Le moyen de commande C est avantageusement constitué par un vérin linéaire, pneumatique, électrique ou mécanique. Le vérin 18 comporte un cylindre 18a articulé sur une chape 19 fixée à l'intérieur du cadre 1. Le vérin 18 comporte en outre une tige 18b qui peut sortir du cylindre 18a. L'extrémité extérieure de la tige 18b est articulée sur un axe 20 solidaire de la bielle 17 sur laquelle sont articulés tous les goussets 10.The control means C is advantageously consisting of a linear, pneumatic, electric or mechanical. The jack 18 comprises a hinged cylinder 18a on a yoke 19 fixed inside the frame 1. The jack 18 further comprises a rod 18b which can come out of the cylinder 18a. The outer end of the rod 18b is articulated on an axis 20 integral with the connecting rod 17 on which are articulated all the gussets 10.

    La sortie de la tige 18b provoque le déplacement de la bielle 17 vers la gauche de Fig.1 et l'ouverture simultanée de toutes les lames 2 qui restent parallèles entre elles. The exit of the rod 18b causes the displacement of the rod 17 to the left of Fig. 1 and the opening simultaneous of all the blades 2 which remain parallel between them.

    L'élément moteur constitué par le vérin 18 pour commander le mouvement des lames 2 peut être relié soit à la bielle 17 comme illustré sur Fig.1, soit à un gousset 10.The driving element constituted by the jack 18 for control the movement of the blades 2 can be connected either to the connecting rod 17 as illustrated in FIG. 1, that is to say a gusset 10.

    Selon les dimensions de l'appareil A plusieurs moteurs tels que le vérin 18 peuvent être prévus pour une meilleure répartition des efforts d'ouverture. Les moteurs, notamment les vérins, fixés au cadre 1 de l'appareil sont rendus invisibles de l'intérieur du bâtiment par un ou plusieurs capots d'habillage (non représentés).According to the dimensions of the device A several motors such as cylinder 18 can be provided for a better distribution of opening efforts. Engines, in particular the jacks fixed to frame 1 of the device are made invisible from inside the building by one or several cover covers (not shown).

    Le cadre 1 comprend au moins un profil extérieur 1a et un profil intérieur 1b. Chaque profil a une section sensiblement en angle droit dont la concavité est tournée vers l'extérieur. Le cadre 1 a généralement une forme rectangulaire. Les tronçons de profilés en aluminium constituant chaque côté sont assemblées par soudage.The frame 1 comprises at least one external profile 1a and an interior profile 1b. Each profile has a section substantially at right angles whose concavity is turned outwards. Frame 1 usually has a shape rectangular. The sections of aluminum profiles constituting each side are assembled by welding.

    Le profil extérieur 1a et le profil intérieur 1b sont assemblés par des seconds moyens de liaison L2 en matière isolante thermiquement propres à créer une rupture de pont thermique entre les deux profils 1a, 1b.The outer profile 1a and the inner profile 1b are assembled by second connecting means L2 in thermally insulating material capable of creating a rupture thermal bridge between the two profiles 1a, 1b.

    Les seconds moyens de liaison L2 sont avantageusement constitués également par des barrettes 27 en matière synthétique, notamment en matière plastique, dont les bords par exemple en forme de T sont engagés dans des rainures de forme conjuguée prévues dans des saillies des profils 1a, 1b. Ces barrettes 27 sont orthogonales aux faces adjacentes des profils 1a, 1b.The second connecting means L2 are advantageously also constituted by bars 27 made of synthetic material, especially plastic, whose edges for example in the shape of a T are engaged in grooves of conjugate form provided in projections profiles 1a, 1b. These bars 27 are orthogonal to the adjacent faces of profiles 1a, 1b.

    Les profilés 1a, 1b peuvent comporter des ailes de raidissement mais il n'y a aucun contact direct entre les parties métalliques de chaque profil.The sections 1a, 1b may include wings of stiffening but there is no direct contact between the metal parts of each profile.

    Le bord extérieur 4a de la dernière lame de la série, à savoir la lame située le plus à gauche sur Fig. 1, vient s'appuyer, en position de fermeture de l'appareil, contre le bord supérieur du profil extérieur 1a. La languette 5a s'engage contre la face interne du bord supérieur du profil 1a comme visible sur Fig.1.The outer edge 4a of the last blade of the series, namely the blade located furthest to the left in Fig. 1 comes to rest, in the closed position of the device, against the upper edge of the outer profile 1a. The tongue 5a engages against the inner face of the edge upper part of profile 1a as shown in Fig. 1.

    Le bord supérieur du profil intérieur 1b peut comporter un jonc cylindrique 21 (Fig.3) contre lequel vient en appui, en position fermée, le bord de la lame élémentaire inférieure 2b.The upper edge of the inner profile 1b can have a cylindrical rod 21 (Fig. 3) against which comes to bear, in the closed position, the edge of the blade lower elementary 2b.

    L'espace situé entre l'articulation de la première lame 2, c'est-à-dire celle située à droite sur Fig.1, et le côté voisin du cadre est fermé par une lame fixe 22 dont la structure est semblable à celle des lames 2 pour éviter un pont thermique entre la face extérieure et la face interne de la lame 22.The space between the articulation of the first blade 2, that is to say the one located on the right in Fig. 1, and the neighboring side of the frame is closed by a fixed blade 22, the structure is similar to that of blades 2 to avoid thermal bridge between the external face and the internal face blade 22.

    Avantageusement, l'espace compris entre les lames 2a et 2b est rempli d'un matériau isolant I dont la nature est choisie en fonction de l'isolation souhaitée : isolation thermique ou acoustique, faible ou élevée. Le matériau isolant I peut se présenter sous la forme de bandes 23 repliées en accordéon et logées dans l'espace limité par les lames 2a, 2b. L'augmentation des performances d'isolation thermique de l'appareil peut ainsi être réglée avec la mise en oeuvre de ce matériau isolant I.Advantageously, the space between the blades 2a and 2b is filled with an insulating material I whose nature is chosen according to the desired insulation: thermal or acoustic insulation, low or high. The insulating material I can be in the form of bands 23 folded in accordion and housed in space limited by blades 2a, 2b. The increase in thermal insulation performance of the device can as well be adjusted with the use of this insulating material I.

    Le fonctionnement de l'appareil résulte des explications qui précèdent. La position de fermeture est obtenue lorsque la tige 18b du vérin est rentrée. Dans cette configuration, une paroi extérieure fermée est réalisée par les lames élémentaires extérieures 2a dont les bords 4a recouvrent la lame voisine ou le profil extérieur la du cadre.The operation of the device results from explanations above. The closed position is obtained when the rod 18b of the jack is retracted. In this configuration, a closed outer wall is produced by the elementary outer blades 2a, the edges 4a cover the neighboring blade or the outer profile the frame.

    Aucune liaison métallique, susceptible d'établir un pont thermique, n'est présente entre l'intérieur et l'extérieur de l'appareil reliés uniquement par les barrettes 7, 27 en matière isolante thermiquement. Une bonne isolation thermique et acoustique est assurée par cette disposition.No metallic bond, likely to establish a thermal bridge, is present between the interior and the outside of the device connected only by bars 7, 27 of thermally insulating material. A good thermal and acoustic insulation is ensured by this provision.

    L'ouverture simultanée des lames 2, qui restent parallèles entre elles, est obtenue par la sortie de la tige 18b du vérin et le déplacement de la bielle 17 qui provoque le pivotement de chaque lame 2 autour de son axe géométrique de rotation X et de chaque gousset 10 autour de son articulation sur la bielle 17.Simultaneous opening of the blades 2, which remain parallel to each other, is obtained by the output of the rod 18b of the jack and the displacement of the connecting rod 17 which causes each blade 2 to pivot about its axis geometric rotation X and each gusset 10 around its articulation on the connecting rod 17.

    Claims (13)

    Appareil pour l'admission d'air frais et/ou le désenfumage d'un local, destiné à être installé en façade ou en toiture d'un bâtiment, comprenant un cadre (1) sur lequel est articulée au moins une lame (2) montée pivotante entre une position de fermeture et une position d'ouverture, et un moyen de commande (C) de la lame, le cadre et la ou chaque lame étant réalisés en métal, notamment en aluminium, caractérisé en ce que la ou chaque lame (2) comprend au moins une lame élémentaire extérieure (2a) et une lame élémentaire intérieure (2b) métalliques, espacées l'une de l'autre et assemblées par des premiers moyens de liaison (L1) en matière isolante thermiquement, propres à créer une rupture de pont thermique entre les deux lames élémentaires (2a, 2b), réalisés sous forme de barrettes (7) en matière synthétique, orthogonales aux plans moyens des lames élémentaires (2a, 2b).Apparatus for the admission of fresh air and / or smoke extraction from a room, intended to be installed on the facade or on the roof of a building, comprising a frame (1) on which at least one blade (2) is articulated pivotally mounted between a closed position and an open position, and a blade control means (C), the frame and the or each blade being made of metal, in particular aluminum, characterized in that the or each blade (2) comprises at least one external elementary strip (2a) and an internal elementary strip (2b) of metal, spaced from one another and assembled by first connecting means (L1) made of thermally insulating material, capable of creating a thermal break between the two elementary blades (2a, 2b), produced in the form of bars (7) of synthetic material, orthogonal to the mean planes of the elementary blades (2a, 2b). Appareil selon la revendication 1, caractérisé en ce que la lame élémentaire (2a) comporte, au voisinage de chacun des ses bords longitudinaux, sur sa face tournée vers la lame élémentaire intérieure (2b), un profil en saillie (8a, 9a), dans lequel est prévu une rainure longitudinale, débouchant vers la lame intérieure (2b) et s'étendant parallèlement à l'axe géométrique d'articulation X et sur la face supérieure de la lame élémentaire inférieure (2b) sont prévues des saillies (8b, 9b) correspondantes comportant des rainures à section transversale ouvertes vers la lame (2a).Apparatus according to claim 1, characterized in that the elementary blade (2a) has, in the vicinity of each of its longitudinal edges, on its face facing the inner elementary blade (2b), a projecting profile (8a, 9a), in which a longitudinal groove is provided, opening towards the inner blade (2b) and extending parallel to the geometric axis of articulation X and on the upper face of the lower elementary blade (2b) are provided projections (8b, 9b) corresponding having cross-section grooves open towards the blade (2a). Appareil selon la revendication 2, caractérisé en ce que la barrette (7) présente sur ses bords longitudinaux des parties en saillie conjuguées des rainures prévues dans les saillies (8a, 9a, 8b, 9b) des lames élémentaires (2a, 2b) de sorte que la barrette (7) est engagée dans ces rainures et assure la liaison mécanique entre les lames élémentaires (2a, 2b) sans contact entre les parties métalliques de ces lames.Apparatus according to claim 2, characterized in that the bar (7) has on its longitudinal edges protruding parts of the grooves provided in the projections (8a, 9a, 8b, 9b) of the elementary blades (2a, 2b) so that the bar (7) is engaged in these grooves and provides the mechanical connection between the elementary blades (2a, 2b) without contact between the metal parts of these blades. Appareil selon l'une des revendications 1 à 3, caractérisé en ce que lesdites barrettes (7) s'étendent suivant toute la longueur des lames (2).Apparatus according to one of claims 1 to 3, characterized in that said bars (7) extend along the entire length of the blades (2). Appareil selon l'une des revendications 1 à 3, caractérisé en ce que la dimension des barrettes, (7) parallèlement à l'axe (X) est réduite et plusieurs barrettes (7) espacées les unes des autres sont disposées suivant la direction parallèle à l'axe (X).Apparatus according to one of claims 1 to 3, characterized in that the dimension of the bars (7) parallel to the axis (X) is reduced and several bars (7) spaced from one another are arranged in the parallel direction to the axis (X). Appareil selon l'une des revendications 1 à 5, caractérisé en ce que le cadre (1) comprend au moins un profil extérieur (1a) et un profil intérieur (1b) métalliques assemblés par des seconds moyens de liaison (L2) en matière isolante thermiquement propres à créer une rupture de pont thermique entre le profil extérieur (1a) et le profil intérieur (1b).Apparatus according to one of claims 1 to 5, characterized in that the frame (1) comprises at least one outer profile (1a) and an inner profile (1b) made of metal assembled by second connecting means (L2) made of insulating material thermally suitable for creating a thermal break between the exterior profile (1a) and the interior profile (1b). Appareil selon l'une des revendications 1 à 6, caractérisé en ce que la lame élémentaire extérieure (2a) de chaque lame comporte un moyen d'articulation (3a) sur le cadre.Apparatus according to one of claims 1 to 6, characterized in that the external elementary blade (2a) of each blade comprises an articulation means (3a) on the frame. Appareil selon la revendication 7, caractérisé en ce que le bord longitudinal (4a) d'une lame élémentaire extérieure (2a) éloigné du bord d'articulation (3a) a une forme recourbée concave vers la lame élémentaire inférieure (2b), une languette verticale (5a) faisant saillie sous le bord (4a) et s'étendant parallèlement à la direction longitudinale de la lame (2), le bord recourbé (4a) étant prévu pour venir recouvrir le bord d'articulation voisin (3a) d'une lame (2) adjacente, la languette (5a) entrant dans une fente (6a) qui se trouve en partie haute du bord (3a).Apparatus according to claim 7, characterized in that the longitudinal edge (4a) of an outer elementary blade (2a) distant from the hinge edge (3a) has a curved shape concave towards the lower elementary blade (2b), a tongue vertical (5a) protruding under the edge (4a) and extending parallel to the longitudinal direction of the blade (2), the curved edge (4a) being provided to cover the neighboring hinge edge (3a) of an adjacent blade (2), the tongue (5a) entering a slot (6a) which is located in the upper part of the edge (3a). Appareil selon l'une des revendications 1 à 8, comportant plusieurs lames parallèles (2), caractérisé en ce qu'il comporte pour chaque lame (2) un gousset (10) emboíté sur la lame élémentaire intérieure (2b) par une forme appropriée, les goussets étant reliés entre eux par une bielle (17).Apparatus according to one of claims 1 to 8, comprising several parallel blades (2), characterized in that it comprises for each blade (2) a gusset (10) fitted on the inner elementary blade (2b) by an appropriate shape , the gussets being connected together by a connecting rod (17). Appareil selon l'une des revendications précédentes, caractérisé en ce que les seconds moyens de liaison (L2) sont en matière synthétique, notamment en matière plastique, et sont constitués par des barrettes (27).Apparatus according to one of the preceding claims, characterized in that the second connecting means (L2) are made of synthetic material, in particular plastic, and are formed by bars (27). Appareil selon la revendication 6, caractérisé en ce que, dans la position de fermeture, les lames élémentaires extérieures (2a) se recouvrent aux zones de jonction, tandis qu'en bordure du cadre une lame élémentaire extérieure (2a) vient se fermer contre le profil extérieur (1a) du cadre.Apparatus according to claim 6, characterized in that , in the closed position, the outer elementary blades (2a) overlap at the junction zones, while at the edge of the frame an outer elementary blade (2a) is closed against the outer profile (1a) of the frame. Appareil selon l'une des revendications précédentes, caractérisé en ce que l'espace compris entre une lame élémentaire extérieure (2a) et une lame élémentaire intérieure (2b) est rempli d'un matériau (I) d'isolation thermique et/ou acoustique. Apparatus according to one of the preceding claims, characterized in that the space between an external elementary strip (2a) and an internal elementary strip (2b) is filled with a material (I) for thermal and / or acoustic insulation . Appareil selon la revendication 9, caractérisé en ce qu'il comporte un moteur linéaire (18) pour actionner simultanément les goussets (10) et les lames (2).Apparatus according to claim 9, characterized in that it comprises a linear motor (18) for simultaneously actuating the gussets (10) and the blades (2).
    EP04290781A 2003-03-24 2004-03-23 Apparatus for fresh air ventilation and/or fume venting of a room. Withdrawn EP1462732A1 (en)

    Applications Claiming Priority (2)

    Application Number Priority Date Filing Date Title
    FR0303563A FR2853049A1 (en) 2003-03-24 2003-03-24 APPARATUS FOR THE SUPPLY OF FRESH AIR AND / OR THE SMOKE OF A PREMISES
    FR0303563 2003-03-24

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    EP1462732A1 true EP1462732A1 (en) 2004-09-29

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    EP04290781A Withdrawn EP1462732A1 (en) 2003-03-24 2004-03-23 Apparatus for fresh air ventilation and/or fume venting of a room.

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    FR2932253A1 (en) * 2008-06-09 2009-12-11 Souchier Natural ventilation and/or smoke ejection device for school, has unit for articulating strip on posts so that strip carries out opening and sliding movements under effect of its weight, when frame is in place or during absence of any effort
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    Cited By (2)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    FR2932253A1 (en) * 2008-06-09 2009-12-11 Souchier Natural ventilation and/or smoke ejection device for school, has unit for articulating strip on posts so that strip carries out opening and sliding movements under effect of its weight, when frame is in place or during absence of any effort
    CN110068096A (en) * 2019-04-19 2019-07-30 蒙正欢 A kind of wall-mounted new wind devices that the installation with regulatory function is stable

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