EP2975332B1 - Système de guidage d'air pour sortie rayonnant et procédé - Google Patents

Système de guidage d'air pour sortie rayonnant et procédé Download PDF

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Publication number
EP2975332B1
EP2975332B1 EP15175749.9A EP15175749A EP2975332B1 EP 2975332 B1 EP2975332 B1 EP 2975332B1 EP 15175749 A EP15175749 A EP 15175749A EP 2975332 B1 EP2975332 B1 EP 2975332B1
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EP
European Patent Office
Prior art keywords
air
guiding
air guide
arrangement
outlet
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EP15175749.9A
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German (de)
English (en)
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EP2975332A1 (fr
Inventor
Ralf Wagner
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LTG AG
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LTG AG
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Publication of EP2975332A1 publication Critical patent/EP2975332A1/fr
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    • 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
    • F24F13/081—Air-flow control members, e.g. louvres, grilles, flaps or guide plates for guiding air around a curve
    • 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
    • F24F13/02—Ducting arrangements
    • F24F13/06—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2221/00—Details or features not otherwise provided for
    • F24F2221/14—Details or features not otherwise provided for mounted on the ceiling

Definitions

  • the present invention relates to an air guide arrangement for a Deckenstrahlauslass, with at least three air guide elements. Furthermore, the present invention relates to a Deckenstrahlauslass with such an air guide assembly, wherein the Deckenstrahlauslass further comprises an outlet plate arranged downstream of the air guide. Finally, a method is proposed for directing air in one of the Deckenstrahlauslass.
  • Ceiling air outlets have long been known in the art. They serve to provide a room to be ventilated, for example, with cold and / or warm air over the ceiling with air.
  • air guide elements are generally provided for this purpose, which are arranged upstream or, as viewed from the space to be ventilated, behind an outlet plate.
  • the outlet plate is formed in the prior art, for example, as a flat perforated plate through whose openings the air can escape into the room.
  • the document shows DE 44 16 841 C2 a Decken Kunststoffauslass for cold and / or warm air in a room, wherein the variable beam guide a flat perforated plate and one or more adjustable air guide elements are arranged, wherein the air guide elements on the side facing the space of the outlet plane of the air outlet limited perforated plate are interchangeable attachable.
  • the document shows DE 20 2006 007 846 U1 a ceiling air outlet with a connecting piece for at least indirect connections to an air supply system, a housing defining an air distribution space and a perforated plate forming air outlet cross-sections of the air outlet, wherein a central axis of the connection piece is aligned perpendicular to the perforated plate, starting from a central region of the housing, in which the connecting piece opens into the air distribution chamber, the perforated plate facing walls of the housing extending at an acute angle to the perforated plate circumferentially in the direction of the edge of the perforated plate.
  • the document shows DE 2 138 539 A1 A method for blowing air into a room through at least one perforated grid, wherein the air to be injected through the perforated grid is guided along the rear side of the perforated grid in this flat flow.
  • the document shows DE 100 649 39 A1 an air-conditioning device for a room to be ventilated or to be air-conditioned, with an air supply device having at least one air outlet, wherein an arranged in the region of the ceiling, to this one of the air duct serving free space, at least partially acting as a separating element to the ceiling air duct device whose floor plan is smaller than the floor plan of the ceiling is provided.
  • the document shows DE 1 604 307 A1 an air distributor having an air inlet or outlet, wherein the air outlet is substantially larger than the air inlet, and wherein a thin, substantially flat perforated plate is arranged across the air outlet, at its upstream side stream and across the inlet an air deflector is above the outlet, wherein the air guide plate consists of a plurality of individual separate sections, each section is a one-piece plate, either a metal sheet or a plastic plate, which is divided into narrow, integrally formed with the plate interlocking webs, with respect to the Level of the baffle arranged rising in one direction and provided between the individual webs formed by the slope small openings, and wherein at the back of the perforated plate fastening devices are provided, the individual sections of the baffle releasably and independently in keep the desired air deflection position adjustable and adjustable.
  • the document shows DE 1 251 495 an air distribution device for installation in an air supply shaft, comprising a housing of rectangular cross section, at one end of an air passage delimiting upstanding edge and at the other end an air outlet with a larger cross-sectional area than the air inlet forming, outwardly diverging side walls are provided, and wherein Further, a perforated plate covering the exit end and a housing arranged air deflecting device is provided with hingedly mounted in salient Lucasleit vom in hinges.
  • Another such air outlet shows, for example, the above-mentioned document DE 10 2007 039 306 A1 an air outlet with at least one outlet plate having at least one air outlet opening and with at least one Vietnameselenk issued upstream of the air outlet opening, which has at least one obliquely to the plane of the air outlet opening Vietnameseleitsteg whose free end region is at least partially in overlapping position to the outlet plate or from a non-overlapping position in a Overlap position or to change the degree of overlap from a first overlap position is displaced to a second overlapping position, depending on the degree of overlap at least one emerging from the air outlet, along or along the outlet plate flowing first air flow adjusts and / or at least one emerging from the air outlet, transverse or approximately transverse to the outlet plate flowing second air flow is provided.
  • the air guide elements and the outlet plate are matched to manufacture and assemble. Certain air guide elements of an air guide assembly cooperate with certain openings of the outlet plate to produce the desired fluidic effects.
  • the publication DE 7319443 U shows an air nozzle for ventilation devices with an inner swirl and throttle body, which consists of several adjustable segments.
  • an air guide arrangement for a Deckenstrahlauslass is provided with at least three air guide elements, each air guide is associated with an adjacent air guide of the at least three air guide and another adjacent air guide of the at least three air guide elements, and wherein each air guide with the adjacent air guide is arranged overlapping, so that between the air guide and the adjacent air guide an air duct is formed, and is arranged overlapping with the other adjacent air guide, so that between the air guide and the other adjacent air guide another air duct is formed, wherein the air guide four Having air guide elements, and wherein the four air guide elements are each arranged at right angles to each other, and wherein each air guide alswei a rectangular outer contour st.
  • each air guide element forms an air guide channel with an adjacent air guide element due to an overlapping or undercut arrangement.
  • this air guide element forms a further air guide channel with a further adjacent air guide element due to an overlap or undercut.
  • the adjacent air guide element and the further adjacent air guide element lie on opposite sides.
  • each air guide element This implies an endless, i. for example, annular, arrangement of the air guide elements.
  • the air guide elements are arranged quasi in a row in which the fourth air guide element overlaps again with the first air guide element.
  • This provides, by means of the air guide channels provided solely in the air guide arrangement, a jet deflection solely in the air guide arrangement without interaction with the outlet plate.
  • the effective use of each air guide element to provide two lying on opposite sides of each air guide air ducts allows a particularly effective utilization of the provided ceiling surface with a high volume flow.
  • a ceiling jet outlet for an air conditioning device having at least one air guide assembly according to the first aspect or one of its embodiments, wherein the ceiling jet outlet further comprises an outlet plate disposed downstream of the air guide assembly.
  • the air guide elements overlap one another in a direction which runs perpendicular to the outlet plate or a plane of the outlet plate.
  • Such a ceiling jet outlet also relieves the benefits provided by the air guide assembly.
  • the Deckenstrahlauslass may have exactly one Dunleitan extract or a plurality of Dunleitan expecten.
  • Each baffle arrangement is assigned an outlet plate.
  • the advantage for the outlet plate is that it is completely free in its design. Since the desired beam deflection is provided solely by the interaction of the air guiding elements of the air guiding arrangement, the outlet plate and the outlet openings provided in it can be designed and arranged almost completely freely.
  • the outlet plate should only be “thin".
  • “thin” means that a smallest diameter of the outlet openings should correspond, for example, to at least three times the thickness of the outlet plate, in particular at least four times, more particularly at least five times the thickness of the outlet plate. Then the beams deflected by the air guiding arrangement can freely enter the space to be ventilated through the outlet openings and as a ceiling jet extending substantially parallel to a ceiling of the room.
  • there is no specific arrangement or geometric configuration of the outlet openings for example, it is thus possible to completely adapt the outlet plate in its optical design to the rest of the room ceiling, so that the Deckenstrahlauslass is not perceptible by lifting off from the rest of the ceiling openings or opening arrangements.
  • a method of directing air in a ceiling jet outlet comprising the step of supplying air to an air guide assembly for directing the air by a plurality of air guide channels, the plurality of air guide channels being formed by at least three air guide elements.
  • each air guiding element is assigned an adjacent air guiding element of the at least three air guiding elements and a further adjacent air guiding element of the at least three air guiding elements, and wherein each air guiding element is arranged overlapping with the adjacent air guiding element, so that between the air guiding element and the adjacent air guiding element an air duct of the number is formed by air ducts, and is arranged overlapping with the further adjacent air guide, so that a between the air guide and the other adjacent air guide another air duct of the A Number of air ducts is formed, in particular wherein a number of the air guide elements is equal to the number of air guide channels, wherein the air guide arrangement comprises four air guide elements, and wherein the four air guide elements are each arranged at right angles to each other, and wherein each having a rectangular outer contour.
  • Such a method diverts the supplied air solely by means of the air guide elements of the air guide arrangement, of which each air guide element is in overlap with both adjacent elements, the adjacent air guide element and the further adjacent air guide element.
  • the large-area beam deflection provided thereby makes it possible, for example, to divert air flowing in approximately perpendicularly onto a deflection plane formed by the air guide elements so that it is essentially parallel to the deflection plane or at an acute angle to the deflection plane, in particular below a deflection angle acute angle of less than 20 °, flows out of this.
  • a direct passage of the incoming air through the baffle is avoided due to the overlap of the air guide elements over the entire surface of the air guide.
  • only in a central area direct air passage are provided specifically.
  • the air guiding elements are provided adjacent to one another in a center, as already described below, a direct inflow of air into a room with the associated drafts must already be avoided by the method provided. Instead, the air can be flowed in independently of an embodiment of an outlet plate along the ceiling with a high volume flow.
  • the air guide arrangement is provided for guiding air flowing through the air guide arrangement from an inflow side in the direction of an outflow side, the respective air guide channel being formed between an outflow side surface of the respective air guide element and an inflow side surface of the associated adjacent air guide element is, and wherein the respective further air duct between an inflow-side surface of the respective air guide element and an outflow-side surface of the associated further adjacent air guide element is formed.
  • the air guide elements direct the air from an inflow side to an outflow side.
  • the inflow side and the outflow side are opposite sides of the air guide assembly.
  • a straight direction from the inflow side to the outflow side may also be referred to fluidically as "flow-through direction" or "main flow direction”.
  • the air guide assembly is approximately perpendicular to this flow direction.
  • Each of the air guide elements extends obliquely at an angle to the flow direction. In particular, this angle is less than 20 °, but greater than 0 °, preferably it is between 10 ° and 20 °, more preferably about 15 °.
  • each air guide element together with an adjacent air guide element forms an air guide channel and, together with another adjacent air guide element arranged opposite to the adjacent air guide element, forms a further air guide channel.
  • Each air guide element thus provides an inlet side surface for an air duct, which provides the air duct limited and at the same time for another air duct an outflow side surface ready, which limits the other air duct.
  • the four air guide elements are arranged around a central axis and form an air conduction plane extending substantially perpendicular to the central axis.
  • the air guide elements In order to provide the above-described arrangement of the air guide elements with mutual overlap or undercut, four air guide elements are provided.
  • the four air guide elements form a rectangular or square outer contour.
  • the air guide elements are to be arranged in a ring, so that the fourth air guide element overlaps again with the first air guide element.
  • they are arranged around a central axis around and taken together due to their oblique arrangement relative to the central axis extending substantially perpendicular to the central axis air conduction plane, which deflects parallel to the central axis of incoming air at a certain deflection angle in four different spatial directions.
  • Such a number of air guide elements provides a structurally simple structure that can be installed quickly and easily. At the same time, this number is sufficient to provide the desired jet deflection at high flow rate.
  • the use of four air guide elements is provided because it can provide a rectangular or even square outer contour course in a simple design.
  • a structurally simple but nevertheless effective beam deflection in the respective ceiling area can thus be provided.
  • each air guide element is provided as a baffle made of a metal.
  • a "sheet metal” is to be understood in particular as a so-called sheet with a thickness of 3 mm or less than 3 mm.
  • a possible material may for example be aluminum, but it is also for example a stainless steel used.
  • Such air baffles can be particularly easy in the form required for the present air guide assembly by known forming techniques, in particular cold forming technique, such as punching, cutting and bending bring.
  • the air guide elements can be produced in a particularly cost-effective manner.
  • the rectangular or square outer contour provided by the four air guide elements provides four air guide channels through which the incoming air must pass.
  • the arrangement "perpendicular" to each other refers to a view from the inflow side in a straight direction to the outflow side or perpendicular to the outlet plate.
  • the four, each having a rectangular outer contour having, air guide elements are perpendicular to each other and each overlapping, so that in turn results in a rectangular or square outer contour when looking from the inflow side in a straight line to the outflow side.
  • the four air guide elements in the geometric center of the air guide arrangement can then abut one another in one point.
  • the air in a center region near the geometric center, the air can not pass in a straight line through the air guide assembly.
  • it may alternatively be provided to selectively free a region here at the geometric center in order to allow the air to flow in a straight direction into a downstream space or to strike the corresponding outlet plate.
  • the air guide arrangement is provided for guiding air flowing through the air guide arrangement from an inflow side in the direction of an outflow side and each air guide element has the rectangular outer contour when viewed from an inflow side in the direction of an outflow side.
  • the rectangular outer contour also simplifies the production of the respective air guide elements. As described above, these can be formed in particular as air baffles by means of conventional techniques such as stamping and bending. In particular, so four each formed with rectangular outer contour air deflectors can be combined to form a turn rectangular or even square Lucasleitan ever.
  • the air guide has an n-angular outer contour.
  • the air guide assembly has a square outer contour.
  • the air guide arrangement is provided for guiding the air guide arrangement from an inflow side in the direction of an outflow side air flowing through and the air guide arrangement has the rectangular or square outer contour when viewed from an inflow side in the direction of an outflow side.
  • a rectangular, in particular square outer contour can be provided in its outer contour.
  • Such outer contours are particularly advantageous for inserting the air guide in housing boxes, since the air guide can then be dimensioned such that no further attachment to the housing is necessary, but the air guide is inserted into the housing box. Also can be done in this way a vote with the ceiling area from which the air is to flow.
  • each air guide element has at least one bend away from the adjacent air guide element for forming an inflow region of each air guide channel narrowing in a flow direction of the air.
  • each air guide element has an identical geometric shape.
  • the air guide channel formed between the respective air guide element and the corresponding adjacent air guide element is further delimited in an outflow region by the further adjacent air guide element.
  • an outflow region in the throughflow direction can be bounded laterally by the further adjacent air guiding element.
  • each air guide channel has a guide section with a triangular flow cross section.
  • the triangular flow cross section may be formed by an outflow-side surface of the respective air guide element, an inlet side surface of the associated adjacent air guide element and a side wall surface of the air guide element, in particular, the side wall surface may be formed parallel to the main flow direction through the triangular flow cross-section.
  • a side wall of this parallelepiped housing may also delimit the triangular flow cross section instead of the side wall surface even in an embodiment of a ceiling jet outlet with a parallelepiped housing which will be described below.
  • a narrow guide section is provided by means of the air guide elements, through which the air must flow.
  • the guide section thus determines the beam deflection over the air conduction plane and affects the direction of the air flowing out of the air guide assembly.
  • each air duct each have a shut-off for regulating an air flow through the air duct is provided.
  • this regulation can be provided manually by manually releasing the shut-off element a blocking or a corresponding flow cross-section enable position. For example, it becomes possible in this way to block certain outflow directions from the air guide arrangement in a targeted manner.
  • the air guide elements are loosely interleaved with each other.
  • the air guide elements Due to the design of the air guide elements, it is not absolutely necessary that they are firmly connected to each other, for example via rivets or screws.
  • the air guide elements can be easily inserted with appropriately nested or mutually undercutting arrangement in the box.
  • the Deckenstrahlauslass is formed as a ceiling plenum, wherein the Deckenstrahlauslass has a plurality of Lucasleitan elevenen, in particular and wherein downstream of each air guide an outlet plate is arranged.
  • an outlet plate can also be provided, on which or upstream of which a plurality of air guiding arrangements are arranged.
  • Such a “ceiling plenum” may in particular be designed as an air duct, through which the supply air flows. Wherein the air duct has a plurality of outlet openings from which the air can escape. In this way, over a large area, a uniform decrease or leakage be provided by air for uniform ventilation of a larger surface area or space.
  • the Deckenstrahlauslass a substantially cuboid housing, in particular a cuboid housing, wherein the outlet plate is arranged downstream of the air guide and forms a wall of the cuboid housing, and wherein the Deckenstrahlauslass has an air supply.
  • the air supply is designed as at least one upstream air inlet nozzle for supplying air into the housing, in particular wherein the Deckenstrahlauslass has exactly one air guide.
  • a common provision of the Deckenstrahlauslasses can be provided as an air outlet box.
  • the soil, i. the side facing the space to be ventilated in an operating position of the box is designed as an outlet plate.
  • the air guide elements of the air guide can be inserted.
  • the rectangular outer contour of the four air guide elements can be adapted to the outer contour of the cuboid housing, that the air guide elements can be easily inserted. In this way, a cost-effective production of Lucasleitan extract and a simple installation of Deckenstrahlauslasses.
  • each air duct is associated with more than one outlet opening.
  • the air flowing out of the respective air duct passes through more than one outlet opening.
  • this can apply correspondingly for each outlet plate.
  • the outlet openings must therefore not be formed in direct association with the air guide arrangement.
  • the outlet openings can be arbitrary be arranged so that a plurality of outlet openings may be associated with an air duct.
  • An outlet opening can also be assigned to a plurality of air ducts. The condition of a fixed assignment and formation of outlet openings to air ducts is therefore no longer required and the outlet openings can be designed freely.
  • Deckenstrahlauslasses can be provided that corresponds to an outer contour of a cross-sectional surface of the air guide in a plane parallel to the outlet plate an outer contour of the outlet plate.
  • the outer contour of the outlet plate can be rectangular and / or square. In the case of several Lucasleitan nieen this applies accordingly for each air deflector.
  • the air guide elements of the air guide assembly can be easily placed on the outlet plate and provide an air outlet stream over the entire surface area of the outlet plate.
  • each of the air guide elements is loosely placed on the outlet plate or the corresponding outlet plate.
  • each of the air guide elements is connected to the outlet plate or the corresponding outlet plate or is connected to a bottom of a Deckenstrahlauslasses designed as Deckenplenum.
  • a firm connection with the outlet plate is thus not absolutely necessary.
  • the spoiler elements can be loosely interleaved and placed on the outlet plate. As a result, the assembly is much easier.
  • each of the air guide elements is connected to a wall of the cuboid housing.
  • each of the air guide elements is connected with the use of a cuboid housing with a corresponding wall of the cuboid housing. This can be done for example by riveting or screwing.
  • Fig. 1 shows an embodiment of an air guide assembly 10.
  • the air guide assembly 10 has in the illustrated embodiment, four air guide elements 12, 13, 14, 15.
  • a first air guiding element is designated by the reference numeral 12.
  • a second air-guiding element is designated by the reference numeral 13.
  • a third air-guiding element is designated by the reference numeral 14 and a fourth air-guiding element is designated by the reference numeral 15.
  • all air guiding elements 12-15 may be formed with an identical geometric shape.
  • the air guide arrangement 10 is flowed through by an inflow side 18 to an outflow side 20.
  • a main flow direction 22 can be defined.
  • Parallel to this general main flow direction 22 extends a central axis 24 of the air guide.
  • All four air guide elements abut each other at a common point 26 on the central axis 24.
  • around the central axis 24 around a central region may also be kept free.
  • the air guiding elements 12-15 abut each other at this point. The air guide elements 12-15 are thus arranged around the central axis 24 around.
  • This first air guide element 12 is adjacent two air guide elements. On the one hand, these are the fourth air guiding element 15, which is the "adjacent air guiding element" for the first air guiding element 12. Furthermore, this is the second air guide element 13, which is the "further adjacent air guide element” for the air guide element 12.
  • the fourth air guiding element 15 which is the "adjacent air guiding element” for the first air guiding element 12.
  • the second air guide element 13 which is the "further adjacent air guide element" for the air guide element 12.
  • the first air guide element 12 is arranged overlapping with the fourth air guide element 15, the adjacent air guide element. Furthermore, the air guide element 12 is arranged overlapping with the further adjacent air guide element, the second air guide element 13. The overlap results in particular when viewed in a direction parallel to the central axis 24 or in the direction of the main flow direction 22.
  • An air duct 28 is formed between the air guide 12 and the adjacent air guide 15.
  • Another air duct 30 is formed between the air guide element 12 and the further adjacent air guide element 13.
  • an outflow-side surface of the air guide element 12 and an inlet-side surface of the adjacent air guide element 15 cooperate.
  • An inflow-side surface 36 of the air guide element 12 cooperates with an outflow-side surface of the further adjacent air guide element 13 to form the further air guide channel 30.
  • the inflow-side surfaces 32, 36 of the air guide elements 12-15 extend obliquely to the central axis 24.
  • the air guide channels 28, 30 are further limited by side wall portions 52 of the air guide elements 12-15, as will be described in more detail below.
  • the air guide elements form an air conduction plane 40, which in the in the Fig. 1 shown coordinate system is located substantially in the XY plane and is described by the outer contour of the air guide assembly 10.
  • the air conduction plane 40 is perpendicular to the central axis 24 and Haupt malströmungsraum 22. In this way it is achieved that all entering from the inflow side 18 in the air guide 10 air must pass through the air ducts 28, 30 and is deflected away from the direction of the central axis 24 in the direction of the air conduction plane 40.
  • the air therefore flows at an acute angle, in particular an angle between 0 ° and 20 ° to the air conduction plane, ie at an angle of 70 ° to 90 ° to the central axis and the main flow direction 22 from the air guide.
  • each air guide element 12-15 of the air guide arrangement 10 Based on the second air guide element 13, the first air guide element 12 is the “adjacent air guide element" and the third air guide element 14 is the "further adjacent air guide element". Based on the air guide 14 is accordingly the second air guide 13, the "adjacent air guide” and the fourth air guide 15, the "other adjacent air guide”. Based on the fourth air guide 15 is accordingly the third air guide 14, the "adjacent air guide” and the first air guide 12, the "other adjacent air guide”.
  • each air guide is used very effectively for the formation of two air ducts.
  • each air guide element once the inflow-side wall for the air duct and on the other hand, the outflow side wall of the other air duct ready. All air guide elements 12-15 are thus overlapping each other or arranged undercutting or nested.
  • the Fig. 2 shows an embodiment of an air guide 12-15 an air guide assembly 10.
  • Each air guide element 12-15 is essentially initially configured by a large plate section which forms with its one side an outflow-side surface of the air guide element 12-15. The opposite side of this plate member accordingly forms the outflow-side surface.
  • This plate element is generally designated 35.
  • An end portion of the plate member may be formed bent. In this case, a continuous bend with a large radius is conceivable. she However, several bends with a very small radius, ie essentially kinks can be provided.
  • the illustrated air guide element has a side wall 46, which runs perpendicular to the extension of the plate 35 in one side of the plate element, which runs at right angles to the inlet contour with the two bends 42 and 44.
  • the extension of the side wall 46 and the first bend and the second bend take place in opposite directions.
  • the side wall 46 is bent away from the plate member 35 in the outflow direction.
  • the first bend 42 and the second bend 44 are bent in an upstream direction.
  • the air guide element can be made as a baffle made of a metal sheet.
  • the metal sheet may be made of aluminum, for example. In this way, the illustrated air guide 12-17 can be formed particularly easily by known cold forming methods such as punching and bending.
  • FIGS. 3a-3c show by means of the air duct 28 by way of example the flow pattern through an air duct. This can essentially be divided into three sections, namely one in the Fig. 3a shown inflow 48, one in the Fig. 3b shown guide section 58 and one in the Fig. 3c illustrated outflow area 60th
  • the incoming air flows into the inflow area 48.
  • This is formed by the outflow-side surface 34 of the air-guiding element 12 and the inflow-side surface 32 of the adjacent air-guiding element 12 and the inflow-side surface 32 of the adjacent air-guiding element 15.
  • this there is also a bend 42 of the air guide 12 away from the adjacent air guide 15.
  • In the inflow 48 thus results in a narrowing flow cross-section. This allows above all the inflow of air without flow separation in the inlet region, which improves the acoustic properties.
  • the air After flowing through the inflow region 48, the air is in a forced in an illustrated embodiment, this is formed by a portion 52 of the side wall 46 of the air guide element 12, an air guide element portion 54, the outflow surface 34 of the air guide element 12 and by a portion 56 of the adjacent air guide element 15, namely a portion of the local inflow-side surface 32 of the adjacent air guide 15.
  • this flow cross-section 50 is triangular. Just upstream, it is only substantially triangular, since the sections 54 and 56 no longer run in a point due to the bending of the air guide 12 together. Essentially, however, arises as in the Fig. 3b is shown, a guide portion 58 through which the incoming air must pass through and undergoes the desired deflection in this way.
  • the air After passing through the guide section 58, the air finally flows out of the air guiding arrangement 10 again in an outflow area 60.
  • the air is then deflected by a deflection angle 62, which may be about 70 ° to about 90 ° with respect to the main flow direction 22.
  • a deflection angle 62 Relative to the air guiding plane 40 described by the air guiding arrangement 10, it lies correspondingly approximately between 0 ° and 20 °.
  • the view shown is in principle open after flowing through the guide section 58 to the "top", ie in the direction of the second air guide 13 of the outflow region 60 and is limited there by the outflow-side surface 38.
  • the Fig. 4a shows an embodiment of an air guide assembly 10 with four air guide elements 12-15. As can be seen, this results in a rectangular when viewed from the inflow side 18 in the direction of the outflow side 20 or in the illustrated embodiment even square outer contour 64. In the same direction results for each of the air guide elements 12-15 a rectangular outer contour.
  • Fig. 4b is a not belonging to the invention "arrangement for six air guide elements 12-15, 16, 17, each identical to the air guide elements 12-15 in the Fig. 4a are formed shown. This results essentially in a hexagonal outer contour 66. In the in the Fig. 4b As shown, a free center is kept free in the region of the central axis 24.
  • air can pass directly from the inflow side 18 to the outflow side 20 without deflection.
  • it can be kept in a targeted manner in order to provide direct air inflow into a space to be ventilated in this direction.
  • the air guide element 17 would be the adjacent air guide element and the air guide element 13 the further adjacent air guide element.
  • the air guide element 12 would be the further adjacent air guide element and the air guide element 16 the adjacent air guide element, etc. Consequently, a hexagonal outer contour and six air guide channels result.
  • the Fig. 5 1 shows an embodiment of a ceiling jet outlet 70.
  • the ceiling jet outlet has an air guiding arrangement 10 as described, and further an outlet plate 72, which is arranged downstream of the air guiding arrangement 10 and will be described in more detail below.
  • the outlet plate is formed in particular "thin".
  • a ratio of a smallest diameter of the respective outlet openings of the outlet plate to a thickness of the outlet plate is thus as large as possible.
  • a smallest diameter of the outlet openings is at least three times as large as the thickness, preferably four times as large, more preferably five times as large, more preferably ten times as large. This ensures that the flow exiting the air guide assembly 10 can flow through the outlet plate 72 without significant deflection. If the outlet plate is designed to be thick relative to the smallest diameter of the outlet openings, the air flowing out of the air-guiding arrangement would again be led straight into the space to be ventilated, which should just be avoided.
  • the air guide assembly 10 is disposed in a cuboid housing 80.
  • the four air guide elements 12-15 are loosely nested and placed on the outlet plate 72.
  • each of the air guide elements 12-15 can also be connected to one of the side walls 74 of the cuboid Housing 80 may be connected.
  • the embodiment shown in particular allows a flat design of the cuboid housing.
  • the length (L) and width (B) may be for example about 500 mm.
  • the height (H) can then be about 110 mm, for example. In particular, it can be provided that the height is less than 25%, preferably less than 20%, more preferably less than 15% of the smaller of the length and the width of the cuboid housing 80.
  • This flat design of the cuboid housing 80 is favored by the design of the air guide assembly 10.
  • two air inlet stubs 76, 78 are provided in the illustrated embodiment, which can be flowed through the on the inflow side 18 air into the cuboid housing 80. The air then passes through the air guide assembly 10 and exits through the outlet plate 72.
  • the Fig. 6 shows the in the Fig. 5 Ceiling jet outlet shown without the air guide assembly 10. It can be seen that virtually the cuboid housing is formed by the outlet plate 72. In an installed state, this outlet plate 72 points in the direction of the space to be ventilated.
  • the outlet plate 72 has a plurality of outlet openings 82, which are formed in the illustrated embodiment, substantially circular or oval. Basically, however, this is due to the large-area Ausströmungs Schemee 60 in their arrangement and design free. Since the beam deflection is effected by the guide portion 58 of the air guide 12-15, there is no required for the beam deflection interaction between the air guide assembly 10 and the outlet openings 82, so that there are no restrictions on the design of the outlet plate 72 here.
  • An outer contour of the cuboid housing or the outlet plate 72 is square in the illustrated embodiment.
  • the outer contour is indicated schematically at 81.
  • the air guiding arrangement 10 can likewise assume such a square outer contour through four interleaved air guiding elements 12-15 and be placed in the cuboidal housing 80 on the outlet plate 72.
  • the Fig. 7 shows another embodiment of a ceiling jet outlet 70.
  • the ceiling jet outlet is formed as a ceiling plenum 86.
  • the air guide assembly 10 is also formed of four air guide elements 12-15 and is loosely on the outlet plate 72.
  • An outlet plate 72 may be provided for each air guide assembly 10 and associated therewith.
  • a single outlet plate 72 it may form a floor of the ceiling plenum 86 or Deckenstrahlauslasses 70 wholly or partially.
  • the ceiling plenum 86 forms a space 89 above a ceiling 86 '.
  • the floor 86 'of the ceiling plenum 86 may then be the ceiling 86' of a room 89 to be ventilated.
  • the ceiling plenum 86 may form the complete ceiling 86 'of the room 89 or only a portion of the ceiling 86' of the room 89 or multiple ceiling portions 86 'of the room 89.
  • supply air 87 flows to the air guide elements 12-15 of each air guide assembly 10 of the ceiling plenum 86, is deflected there and passes through the outlet plate 72 and respective outlet plate 72 in the space to be ventilated 89.
  • the air guiding elements 12 - 15 are loosely laid or mechanically connected to the outlet plate or the bottom 86 'of the ceiling plenum 86.
  • the Fig. 8 shows a view from below, ie from the outflow side 20 to the outlet plate 72.
  • four air guide elements thus four Hauptabströmungsraumen 84 resulting from the outlet plate 72. It follows thus a jet outlet of the illustrated embodiment without core zone along a ceiling of a to be ventilated space.
  • a free center 68 can be provided along the central axis 24 between the air guiding elements, so that a core zone with direct jet entry into the space to be ventilated can also be provided.
  • FIGS. 9a and 9b schematically another embodiment of an air guide 10 is shown.
  • a shut-off element 88 is provided in each air duct 28, 30.
  • the shut-off element 88 is provided in the guide section 58.
  • the shut-off element serves to regulate a volume flow through the respective air duct 28, 30.
  • the Fig. 9a shows a view from the direction of the outflow side 20, the Fig. 9b a symmetrical view from the top of the inflow side 18.
  • actuators 90 may be provided for adjusting the shut-off elements 88. It is not absolutely necessary. The adjustment can also be done manually in another way when mounting the air guide elements 12-15, 16, 17.
  • an electrical actuation is conceivable in order to automatically regulate an air flow in each of the main outflow directions 84.
  • shut-off 88 a single air guide is shown at a shut-off 88.
  • the shut-off is arranged in an open position. From this it can then be in the Fig. 10b bring shown closure position in which it completely shuts off a flow through the corresponding air duct.
  • the shut-off element 88 is shown as a pivotable plate, which is pivotally mounted on the side wall 46 of the respective air guide 12-15.
  • shut-off element 88 can be cantilevered in a side wall 74 with its pivot shaft.
  • the Fig. 11 schematically shows a flow diagram of a method for conducting air in a Deckenstrahlauslass.
  • the method is generally designated 100.
  • an air guiding arrangement has at least three air guide elements, each air guide element having an adjacent air guide element of the at least three air guide elements and a further adjacent air guide element is assigned by the at least three air guide elements, and wherein each air guide is arranged overlapping with the adjacent air guide, so that between the air guide and the adjacent air guide an air duct is formed, and is arranged overlapping with the other adjacent air guide, so that between the air guide and the other adjacent air guide another air duct is formed.
  • air is now supplied to this air guiding arrangement.
  • the air can be supplied for example by a Deckenplenum or by an air inlet.
  • this air now flows through the air guide arrangement.
  • the air guide element forms an air guide channel with an adjacent air guide element and at the same time serves, in cooperation with a further adjacent air guide element, to form a further air guide channel.
  • the number of air guide elements corresponds to the number of air guide channels.
  • the air always flows through an inflow region between the respective air guide element and the adjacent air guide element.
  • the inflow region is in particular formed with a decreasing cross-section, in particular the cross-section is reduced continuously so as not to cause any jet separations in this inflow region.
  • a step 110 the air then flows through a guide section, which in particular forms a triangular flow cross-section through which the air is forced and forced into a desired outflow direction.
  • a step 112 the air flows out through an outflow region from the air guide arrangement or the respective air guide channel. The same applies to each further air duct, which is formed between the respective air guide elements.
  • a step 114 the air is then entrained by an outlet plate of arbitrary geometric configuration arranged downstream of the air guide arrangement one or more outlet openings.
  • the air now flows into the room enclosing an acute angle with the outlet plate, in particular enclosing an angle of 0 ° to 20 ° with the outlet plate, so that it flows against a ceiling of the room and flows along it and calms.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Duct Arrangements (AREA)
  • Air-Flow Control Members (AREA)

Claims (18)

  1. Système de guidage d'air (10) pour une sortie de jet de plafond, avec au moins trois éléments de guidage d'air (12, 13, 14, 15), dans lequel un élément de guidage d'air voisin (12, 13, 14, 15) parmi lesdits au moins trois éléments de guidage d'air (12, 13, 14, 15) et un autre élément de guidage d'air voisin (12, 13, 14, 15) parmi lesdits au moins trois éléments de guidage d'air (12, 13, 14, 15) est associé à chaque élément de guidage d'air (12, 13, 14, 15), et dans lequel chaque élément de guidage d'air (12, 13, 14, 15) est disposé en recouvrement avec l'élément de guidage d'air voisin (12, 13, 14, 15), de telle manière qu'il se forme un canal de guidage d'air (28) entre l'élément de guidage d'air (12, 13, 14, 15) et l'élément de guidage d'air voisin (15, 12, 13, 14; 17, 12, 13, 14, 15, 16), et est disposé en recouvrement avec l'autre élément de guidage d'air voisin (12, 13, 14, 15), de telle manière qu'il se forme un autre canal de guidage d'air (30) entre l'élément de guidage d'air et l'autre élément de guidage d'air voisin (12, 13, 14, 15), caractérisé en ce que le système de guidage d'air présente quatre éléments de guidage d'air (12, 13, 14, 15), et dans lequel les quatre éléments de guidage d'air (12, 13, 14, 15) sont chaque fois disposés perpendiculairement l'un à l'autre, et dans lequel chaque élément de guidage d'air (12, 13, 14, 15) présente un contour extérieur rectangulaire (47).
  2. Système de guidage d'air selon la revendication 1, caractérisé en ce que le système de guidage d'air est prévu pour le guidage d'air traversant le système de guidage d'air depuis un côté d'entrée (18) en direction d'un côté de sortie (20), dans lequel le canal de guidage d'air respectif (28) est formé entre une surface côté sortie (34) de l'élément de guidage d'air respectif (12, 13, 14, 15) et une surface côté entrée (32) de l'élément de guidage d'air voisin associé (12, 13, 14, 15), et dans lequel l'autre canal de guidage d'air respectif (28) est formé entre une surface côté entrée (36) de l'élément de guidage d'air respectif (12, 13, 14, 15) et une surface côté sortie (38) de l'autre élément de guidage d'air voisin respectif (12, 13, 14, 15).
  3. Système de guidage d'air selon la revendication 1 ou 2, caractérisé en ce que les quatre éléments de guidage d'air (12, 13, 14, 15) sont disposés autour d'un axe central (24) et forment un plan de guidage d'air (40) s'étendant essentiellement perpendiculairement à l'axe central (24).
  4. Système de guidage d'air selon l'une quelconque des revendications 1 à 3, caractérisé en ce qu'un nombre des canaux de guidage d'air (28, 30) est égal à quatre.
  5. Système de guidage d'air selon l'une quelconque des revendications 1 à 4, caractérisé en ce que les quatre éléments de guidage d'air (12, 13, 14, 15) butent l'un contre l'autre en un point (26).
  6. Système de guidage d'air selon l'une quelconque des revendications 1 à 5, caractérisé en ce que le système de guidage d'air (10) est prévu pour le guidage d'air traversant le système de guidage d'air (10) depuis un côté d'entrée (18) en direction d'un côté de sortie (20) et chaque élément de guidage d'air (12, 13, 14, 15) présente le contour extérieur rectangulaire (47) quand on le regarde d'un côté d'entrée (18) en direction d'un côté de sortie (20).
  7. Système de guidage d'air selon l'une quelconque des revendications 1 à 6, caractérisé en ce que le système de guidage d'air (10) présente un contour extérieur rectangulaire, en particulier dans lequel le système de guidage d'air (10) présente un contour extérieur carré (64).
  8. Système de guidage d'air selon la revendication 7, caractérisé en ce que le système de guidage d'air (10) est prévu pour le guidage d'air traversant le système de guidage d'air depuis un côté d'entrée (18) en direction d'un côté de sortie (20) et le système de guidage d'air (10) présente le contour extérieur rectangulaire ou carré (64) quand on le regarde d'un côté d'entrée (18) en direction d'un côté de sortie (20).
  9. Système de guidage d'air selon l'une quelconque des revendications 1 à 8, caractérisé en ce que chaque élément de guidage d'air (12, 13, 14, 15) présente au moins une courbure (42, 44) s'écartant de l'élément de guidage d'air voisin (12, 13, 14, 15) pour la formation d'une région d'entrée (48) de chaque canal de guidage d'air (28) se rétrécissant dans une direction d'écoulement de l'air.
  10. Système de guidage d'air selon l'une quelconque des revendications 1 à 9, caractérisé en ce que chaque élément de guidage d'air (12, 13, 14, 15) présente une forme géométrique identique.
  11. Système de guidage d'air selon l'une quelconque des revendications 1 à 10, caractérisé en ce que le canal de guidage d'air (28) formé entre l'élément de guidage d'air respectif (12, 13, 14, 15) et l'élément de guidage d'air voisin correspondant (12, 13, 14, 15) est en outre limité dans une région de sortie par l'autre élément de guidage d'air voisin (12, 13, 14, 15).
  12. Système de guidage d'air selon l'une quelconque des revendications 1 à 11, caractérisé en ce que chaque canal de guidage d'air (28) présente une section de guidage (58) avec une section transversale d'écoulement triangulaire (50), en particulier dans lequel la section transversale d'écoulement triangulaire (50) est formée par une surface côté sortie (54) de l'élément de guidage d'air respectif, une surface côté entrée (56) de l'élément de guidage d'air voisin associé (12, 13, 14, 15) et une surface de paroi latérale (52) de l'élément de guidage d'air (12, 13, 14, 15) qui s'étend en particulier parallèlement à une direction d'écoulement à travers la section transversale d'écoulement triangulaire (50).
  13. Sortie de jet de plafond (70) pour un dispositif aéraulique, caractérisée par au moins un système de guidage d'air (10) selon l'une quelconque des revendications 1 à 12, dans laquelle la sortie de jet de plafond (70) présente en outre une plaque de sortie (72) disposée en aval du système de guidage d'air, en particulier dans laquelle les éléments de guidage d'air (12, 13, 14, 15) se chevauchent mutuellement en considérant une direction perpendiculaire à la plaque de sortie (72).
  14. Sortie de jet de plafond selon la revendication 13, caractérisée en ce que la sortie de jet de plafond (70) est réalisée sous la forme d'un plénum de plafond (86), dans laquelle la sortie de jet de plafond (70) présente une multiplicité de systèmes de guidage d'air (10), et en particulier dans laquelle une plaque de sortie (72) est disposée en aval de chaque système de guidage d'air (10).
  15. Sortie de jet de plafond selon la revendication 13 ou 14, caractérisée en ce que la sortie de guidage d'air (70) présente une enceinte essentiellement parallélépipédique (80), dans laquelle la plaque de sortie (72) est disposée en aval du système de guidage d'air (10) et forme une paroi de l'enceinte parallélépipédique (80), et dans laquelle la sortie de jet de plafond (70) présente une arrivée d'air (76, 78, 86), et en particulier dans laquelle l'arrivée d'air est réalisée sous la forme d'au moins un tuyau d'entrée d'air (76, 78) disposé en amont pour amener de l'air dans l'enceinte (80), en particulier dans laquelle la sortie de jet de plafond (70) présente exactement un système de guidage d'air (10).
  16. Sortie de jet de plafond selon l'une quelconque des revendications 13 à 15, caractérisée en ce que la plaque de sortie (72), en particulier chaque plaque de sortie (72), présente une multiplicité d'ouvertures de sortie (82), dans laquelle plus d'une ouverture de sortie (82) est associée à chaque canal de guidage d'air (28), en particulier de telle manière que l'air sortant du canal de guidage d'air respectif (28) traverse plus d'une ouverture de sortie (82).
  17. Sortie de jet de plafond selon l'une quelconque des revendications 13 à 16, caractérisée en ce qu'un contour extérieur (64) d'une surface de section transversale du système de guidage d'air (10), en particulier de chaque système de guidage d'air (10) dans un plan (40) parallèle à la plaque de sortie (72) correspond à un contour extérieur (81) de la plaque de sortie (72), en particulier dans laquelle le contour extérieur (81) de la plaque de sortie est rectangulaire et/ou carré.
  18. Procédé de guidage d'air dans une sortie de jet de plafond, comprenant l'étape d'amenée d'air à un système de guidage d'air pour le guidage de l'air au moyen d'un nombre de canaux de guidage d'air, dans lequel le nombre de canaux de guidage d'air est formé par au moins trois éléments de guidage d'air, et dans lequel un élément de guidage d'air voisin (12, 13, 14, 15) parmi lesdits au moins trois éléments de guidage d'air (12, 13, 14, 15) et un autre élément de guidage d'air voisin (12, 13, 14, 15) parmi lesdits au moins trois éléments de guidage d'air (12, 13, 14, 15) est associé à chaque élément de guidage d'air (12, 13, 14, 15), et dans lequel chaque élément de guidage d'air (12, 13, 14, 15) est disposé en recouvrement avec l'élément de guidage d'air voisin (12, 13, 14, 15), de telle manière qu'il se forme entre l'élément de guidage d'air et l'élément de guidage d'air voisin (12, 13, 14, 15) un canal de guidage d'air (28) du nombre de canaux de guidage d'air, et est disposé en recouvrement avec l'autre élément de guidage d'air voisin (12, 13, 14, 15), de telle manière qu'il se forme entre l'élément de guidage d'air et l'autre élément de guidage d'air voisin (12, 13, 14, 15) un autre canal de guidage d'air (30) du nombre de canaux de guidage d'air, en particulier dans lequel un nombre des éléments de guidage d'air (12, 13, 14, 15) est égal au nombre de canaux de guidage d'air (28, 30), caractérisé en ce que le système de guidage d'air présente quatre éléments de guidage d'air (12, 13, 14, 15), et dans lequel les quatre éléments de guidage d'air (12, 13, 14, 15) sont chaque fois disposés perpendiculairement l'un à l'autre, et dans lequel chaque élément de guidage d'air (12, 13, 14, 15) présente un contour extérieur rectangulaire (47).
EP15175749.9A 2014-07-15 2015-07-07 Système de guidage d'air pour sortie rayonnant et procédé Active EP2975332B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102014109927.3A DE102014109927A1 (de) 2014-07-15 2014-07-15 Luftleitanordnung für einen Deckenstrahlauslass und Verfahren

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EP2975332A1 EP2975332A1 (fr) 2016-01-20
EP2975332B1 true EP2975332B1 (fr) 2018-06-06

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EP4224077A1 (fr) * 2022-02-03 2023-08-09 Krantz GmbH Passage d'air

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US2505394A (en) * 1947-05-20 1950-04-25 William H Goettl Ventilating register
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DE2138539C3 (de) 1971-08-02 1978-09-07 Ltg Lufttechnische Gmbh, 7000 Stuttgart Luftauslaßeinrichtung
US4366748A (en) * 1981-02-06 1983-01-04 Air Components, Inc. Air diffuser
DE8701001U1 (de) * 1987-01-22 1987-03-05 Gebrüder Trox, GmbH, 4133 Neukirchen-Vluyn Luftauslaß zur Belüftung von Räumen
DE4416841C2 (de) 1994-05-13 1997-10-23 Mueller Erwin Gmbh & Co Luftauslaß, insbesondere Deckenluftauslaß
DE19954162C1 (de) 1999-11-10 2001-06-28 Ltg Ag Luftauslass
DE10064939C2 (de) 2000-12-23 2003-06-26 Ltg Ag Lufttechnische Einrichtung für einen Raum
DE202006007846U1 (de) 2005-05-20 2006-08-03 M+W Zander Gebäudetechnik GmbH Luftauslass
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EP4224077A1 (fr) * 2022-02-03 2023-08-09 Krantz GmbH Passage d'air

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EP2975332A1 (fr) 2016-01-20

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