EP2357294B1 - Service ceiling with a flexible air duct - Google Patents

Service ceiling with a flexible air duct Download PDF

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Publication number
EP2357294B1
EP2357294B1 EP11000693.9A EP11000693A EP2357294B1 EP 2357294 B1 EP2357294 B1 EP 2357294B1 EP 11000693 A EP11000693 A EP 11000693A EP 2357294 B1 EP2357294 B1 EP 2357294B1
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EP
European Patent Office
Prior art keywords
hollow body
service ceiling
air
ceiling according
supporting frame
Prior art date
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Active
Application number
EP11000693.9A
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German (de)
French (fr)
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EP2357294A2 (en
EP2357294A3 (en
Inventor
Hansjürg Lüdi
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H LUEDI and CO AG
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H LUEDI and CO AG
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Application filed by H LUEDI and CO AG filed Critical H LUEDI and CO AG
Publication of EP2357294A2 publication Critical patent/EP2357294A2/en
Publication of EP2357294A3 publication Critical patent/EP2357294A3/en
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
    • E04B9/02—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation having means for ventilation or vapour discharge
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
    • A47F5/00—Show stands, hangers, or shelves characterised by their constructional features
    • A47F5/10—Adjustable or foldable or dismountable display stands
    • A47F5/101—Display racks with slotted uprights
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
    • A47F5/00—Show stands, hangers, or shelves characterised by their constructional features
    • A47F5/10—Adjustable or foldable or dismountable display stands
    • A47F5/13—Adjustable or foldable or dismountable display stands made of tubes or wire
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
    • E04B9/006—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation with means for hanging lighting fixtures or other appliances to the framework of the ceiling
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
    • E04B9/22—Connection of slabs, panels, sheets or the like to the supporting construction
    • 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
    • F24F13/068—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser formed as perforated walls, ceilings or floors
    • 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
    • F24F2013/0608—Perforated ducts
    • 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 invention relates to a media ceiling, in particular for laboratories, with an inlet air duct according to the preamble of claim 1.
  • a median blanket for guiding supply lines in a room of a building which has a rigid support frame made of profiled supports, which is fastened in the area of the ceiling of the room.
  • On the support frame in this case at least one supply air duct for the supply of fresh air and at least one exhaust duct and lines for the supply of sanitary media are added, the supply air duct extends above the passage area substantially flush with the underside of the support frame in the plane of the support frame and the lines for supplying the sanitary media run above the supply air duct in a second plane
  • the media ceiling described in the aforementioned patent application not only allows a very quick and easy installation but also a highly structured installation of the supply air and exhaust air ducts and the media lines, the entire construction is relatively expensive due to the inlet air duct used, which is guided in the plane of the supporting frame construction, since openings for a substantially rectilinear cable routing must be provided in the profile girders of the supporting frame construction.
  • a system for cooling or for heating air within a room in which a cross-sectionally D-shaped supply air duct is arranged on the ceiling of the room, is introduced via the cooled or heated supply air into the room, which is above the central supply air duct opposite exhaust ducts, which are also located in the ceiling of the room, is sucked off again directly.
  • the document gives no indication to detachably arrange the supply air duct directly on the underside of a support frame, which consists of intrinsically rigid profile carriers, and to arrange a light source inside the supply air duct.
  • the US 2002/0155805 A1 describes a supply air duct with a D-shaped cross section of textile material or plastic material, which is hooked in two grooves of hollow sections.
  • a light source outside the channel is arranged on its upper side, which illuminates the channel through a translucent cover.
  • the channel is held by profiled strips, which are received via threaded rods on a directly attached to the building ceiling support to provide the necessary space for the light source.
  • the document describes a further embodiment of a textile supply air duct, which has a circular cross-section, and which is suspended via spacers on a single steel cable, which runs below the building ceiling.
  • the light source is arranged in the form of radiators or LED coils in the interior of the textile channel.
  • a media ceiling which serves as a horizontal partitioning in particular in a laboratory, and the supply lines such as media lines for water, gases, vacuum, heating and cooling as well as for the electrical and data supply of laboratory workplaces, a self-supporting frame on profile beams, which is fastened in the area of the ceiling of a room via appropriately designed columns at a distance from this.
  • the media cover according to the invention is characterized in that the supply air channel comprises a longitudinally hollow body made of a dimensionally stable intrinsic elastic material that is releasably attached to the underside of the support frame, which is provided over its length with a plurality of air outlet openings, via which guided in the interior of the hollow body Supply air exits into the space that the hollow body at least partially consists of a transparent material and inside the hollow body, a light source is arranged, and that the hollow body comprises a first and a second lateral longitudinal portion, which for fixing the hollow body to the support frame by a short-term deformation of the hollow body in each case in an associated, parallel to the hollow body extending groove-like shareholderscbnitt is inserted and held in this by the inherent elasticity of the material
  • the invention provides the advantage that the supply air duct due to its flexible design even after the complete installation of the media ceiling with the components arranged in the area of the floor of the room, or at working height and the subsequent raising of the mounted frame to the building ceiling very easily
  • the components can be used in particular for the complete exhaust air ducts with intake openings, volumetric flow regulators and silencers, cooling ceilings, filters, circulating air cooling units, building services installations such as sensors, or also supply lines for the sanitary media as well as the busbars and electrical supply lines for the lighting, signaling devices and speakers.
  • Another advantage of the media cover according to the invention is that the hollow body can be very easily removed in the same way from the support frame in order to clean it, for example, at predetermined time intervals.
  • the elongated hollow body according to an embodiment of the invention preferably consists of a flexible textile material suitable for safety, such as e.g. a flame-retardant technical synthetic fabric or film material which is flexibly adapted to the respective needs and, for example, may have a thickness of 0.03 mm to 1 mm or more. This results in the further advantage that the hollow body can also be cleaned very conveniently in known industrial washing machines when needed.
  • a flexible textile material suitable for safety such as e.g. a flame-retardant technical synthetic fabric or film material which is flexibly adapted to the respective needs and, for example, may have a thickness of 0.03 mm to 1 mm or more.
  • the support frame comprises at least one, but preferably two along the elongated hollow body extending profile body, in each of which at least one longitudinal groove is provided, which is aligned parallel to the hollow body.
  • the hollow body in this case has a substantially parallel to the longitudinal groove extending loop in which a rubber-elastic molded body, for example, with a substantially circular outer diameter, the e.g. may be made of rubber or polyurethane is introduced.
  • the rubber-elastic molded body has a larger outer diameter than the inner diameter of the groove, so that it can be pressed by hand from the bottom of the media ceiling of form-fitting manner in the groove and is fixed in this form-fitting manner.
  • the groove may preferably also have a flared groove base, so that the rubber-elastic molded body can expand to its full size within the groove base.
  • the elongated hollow body very quickly and with little effort by untrained personnel on the support frame Fix the media ceiling and release it, which can significantly reduce installation costs as well as the maintenance and cleaning costs for the hollow body.
  • the hollow body of this embodiment due to its flexibility has the advantage that it can easily bridge in the support frame construction compulsory required transverse profile beams without this requires special measures.
  • the abovementioned loops are preferably interrupted for this purpose, which opens up the possibility of installation of the same over the entire length of the hollow body on the underside of the support frame construction.
  • the elongate hollow body has a D-shaped cross-section, wherein the flattened part of the hollow body rests directly flush or flush on the underside of the support frame and forms a substantially closed, air-impermeable surface.
  • the domed portion of the D-shaped cross section which is advantageously associated with the aisle area of a laboratory in the space in question, is preferably provided with a plurality of air outlet openings in the form of holes or slots.
  • the elongated hollow body can be made very inexpensively, for which purpose the holes can be preferably machined into the D-shaped cross section, for example by means of a laser or a punch according to a predetermined pattern.
  • the number of holes per unit area is increased from the center of the D-shaped cross-section in the transverse direction of the hollow body to its side edges.
  • the holes can be have a diameter in the range between 0.4 mm in the center of the D-shaped section and, for example, 3.0 mm in the edge regions thereof, and preferably extend in rows or clusters over the entire length of the hollow body.
  • the number of holes can be, for example, between five holes per dm 2 and over a hundred holes per dm 2 , wherein the diameter of the holes can additionally vary in the range between 0.4 mm and 3 mm.
  • the ideal arrangement of the hole patterns is preferably adjusted with the aid of computer-aided flow simulations (CFD) to the respective needs and spatial conditions in the respective laboratory, such that the air emerging from the air outlet openings acts on the area below the hollow body according to a predetermined quantity pattern
  • the elongated hollow body is in flow communication with a main supply air duct, which may be arranged in the plane above the support frame on this and is held for example by suitable angle profiles on the support frame.
  • the main Zulftkanal which is connected to the elongated hollow body fluidly via cross-connection channels and preferably from above into the hollow body opening nozzle or the like, preferably consists of a slightly air-permeable material, for example of an uncoated textile or plastic fabric, in particular polyamide fabric, with a Mesh size of 0.01 mm.
  • the elongate hollow body may be composed of a plurality of subsections which are connectable to one another via zippers and / or hook and loop fasteners in a substantially air-tight manner.
  • the zippers or hook and loop fasteners are preferably arranged on the peripheral end edges of the subsections of the hollow body, so that a plurality of hollow body sections can be connected together to form a hollow body of any length.
  • the elongated hollow body on a running between two profile beams plate e.g. an aluminum plate, which spans the two profile carrier at the bottom and is held by simple countersunk screws and in the longitudinal grooves of the profile carrier engaging sliding nuts, is attached by means of Velcro.
  • Velcro This may e.g. have a width in the range of 40 mm and be glued in the form of two strips on the underside of the plate along its side edges parallel to the profile carriers.
  • the elongated and self-contained hollow body has on its upper side corresponding to the Velcro hook bands, which hook after pressing the hollow body to the Velcro strips and releasably fix the hollow body to the plate below the support frame.
  • Velcro as well as zippers is also in the field of branching between the main supply air duct and the connecting channel, and the connecting channel and the nozzle of advantage, which connects the elongated hollow body with the connecting channel in terms of flow.
  • the hollow body consists of a dimensionally stable inherently elastic plastic and has a first and a second lateral longitudinal section, which is preferably integrally formed on the hollow body.
  • Each of the two lateral longitudinal sections of the hollow body is associated with a groove-like receiving section attached to the underside of the support frame, which is parallel to the Hollow body extends, and in which the respective receiving portion can be inserted.
  • the support frame which is preferably the shape of a lying "D" with the additional lateral longitudinal sections formed thereon or - in other words - the shape of a " ⁇ " having, preferably one-piece moldings briefly in the field of Side longitudinal sections compressed against its own elasticity, whereby the longitudinal sections can be introduced due to the short-term reduced width of the hollow body in the groove-like receiving portions.
  • the longitudinal sections are then urged due to the inherent elasticity in the groove-like receiving portions and fixed the hollow body in this way on the support frame.
  • the hollow body consists in sections of a light-transmissive material, e.g. made of transparent or translucent plastic, wherein in the interior of the hollow body, the light source is arranged, which can be supplied via the above the supply air duct arranged electrical supply lines with electricity.
  • a media cover 1 for guiding supply lines 6 in a room of a building comprises an intrinsically rigid support frame 2 made of profile supports 4, which is fastened to the ceiling of the room, not shown in more detail, by means of spacers 8.
  • a supply air duct is added to the underside of the support frame 2, which consists of an elongated hollow body 10, which consists of a flexible textile material, which is impermeable as such for air.
  • the hollow body 10 has a substantially D-shaped cross-section and is provided over its length with a plurality of air outlet openings 12, which are introduced into the flexible material as a pattern adapted to the desired flow conditions, preferably by means of a punch or a laser.
  • the air outlet openings 12 are not uniformly distributed over the cross section of the hollow body 10, but preferably extend in rows over the entire length, the density and the size of the openings 12, starting from that through the line 15th indicated center of the hollow body 10 increases towards its sides.
  • the openings 12 are not arranged evenly distributed on the curved portion of the hollow body, but in particular in the lateral parts of the curved portion beyond the center 15 are introduced into a plurality of clusters in this, ie in Accumulations of eg 10 holes, for example, have a size of only 0.4 mm.
  • the elongated hollow body 10 on the underside of the support frame 2 can be removed, the elongated hollow body 10 on the underside of the support frame 2 according to an embodiment, for which no protection is claimed, releasably secured, including on the hollow body on both sides in each case a loop 14a, 14b is formed, in which an elongated shaped body 16th is received from a rubber-elastic material which is inserted into the loop from one end of the hollow body 10 from.
  • the support frame 2 comprises in this embodiment of the invention, a first and a second profile body 4a, 4b, in each of which a respective loop 14a, 14b associated longitudinal groove 18a, 18b is formed, at least in the region of the outside of the profile body 4a, 4b a smaller Opening width than the outer diameter of the shaped body 16 has, so that the molding together with the surrounding loop 14a, 14b by hand in the groove 18a, 18b can be pressed, as shown in Fig. 3 is indicated. As shown by Fig.
  • FIG. 1 the supply of the presentation technical reasons only in Fig. 2 indicated by arrows supply air into the elongated hollow body 10 via a main supply air channel 20 which is connected to the hollow body 10 via a likewise made of a flexible, preferably textile material connecting channel 22 and a port 24 fluidly connected.
  • the main supply air duct 20 and the connecting channel 22 are preferably made of a slightly air-permeable material and are arranged together with the nozzle 24 in an advantageous manner in a plane which is located above the plane of the support frame 2.
  • the support frame 2 for mounting the media blanket 1 in the region of the bottom of the building or at a desired working height can be mounted together with all arranged above the support frame 2 components manufactures, in which case also preferably transverse to the elongated hollow body 10 extending main supply air duct 20 can be mounted on the support frame 2.
  • the hollow body 10 must be attached to the support frame 2 from the beginning, which in particular significantly facilitates the mounting of the median cover 1 at a working height, e.g. can range from 80 cm to 130 cm.
  • the entire construction is lifted by one or more lifting devices, such as pulley or electric lifter, and the nozzle 8 is attached to the building corner.
  • the attachment of the elongated hollow body 10, or the individual sections thereof on the support frame 2 wherein the connection of the sections with each other via not shown in detail airtight zippers and / or hook and loop fasteners and the connection the stiffened in this case Stub 24 can be made via a circumferential elastic cord 26, which latter spans the preferably thickened edges of the nozzle 24 from the outside adjacent vertical portions 28 of the hollow body material, as in Fig. 2 is indicated.
  • Fig. 4 consists of the hollow body 10 in the embodiment according to the invention of a dimensionally stable intrinsic elastic plastic and has a first and a second lateral longitudinal portion 30 a, 30 b, which is preferably integrally formed on the hollow body 10.
  • Each of the two lateral longitudinal sections 30a, 30b is associated with a groove-like or pocket-like receiving section 32a, 32b attached to the underside of the support frame 4, which extends parallel to the longitudinal axis of the hollow body 10 in the horizontal direction and preferably via unspecified Screws and nuts on the respective profile carrier 4a, 4b is attached.
  • the groove-like receiving portions 32a, 32b can be covered in an advantageous manner by ceiling tiles, not shown in the drawings, as they are used, for example, in conjunction with air conditioning ceilings.
  • the longitudinal sections 30a, 30b become the center for a short time 15 of the hollow body 10 compressed toward and then introduced the longitudinal sections in the groove-like receiving portions 32 a, 32 b.
  • the longitudinal sections are then forced into the groove-like receiving portions 32a, 32b due to the inherent elasticity of the inherently rigid material of which the hollow body, whereby the hollow body 10 is releasably positively held on the support frame 4.
  • the distribution and design of the air outlet openings in this embodiment of the invention preferably corresponds to the distribution and design of the air outlet openings of the first embodiment thereof described from flexible, in particular textile material.
  • the material of the hollow body 10 may be translucent at least in sections, e.g. transparent or translucent plastic.
  • a light source 34 is arranged according to the invention, e.g. a fluorescent tube or LED comprises, which if necessary by a suitable ballast 36, which is preferably arranged on the upper side of the hollow body 10, is operated.
  • the hollow body 10 is closed in the two previously described embodiments, except in the region of the air outlet openings and possibly the openings for the power supply to the Lichtqellen 34 over its entire length in cross-section similar to an airbag.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Duct Arrangements (AREA)

Description

Die Erfindung betrifft eine Mediendecke, insbesondere für Labors, mit einein Zuluftkanal gemäß dem Oberbegriff von Anspruch 1.The invention relates to a media ceiling, in particular for laboratories, with an inlet air duct according to the preamble of claim 1.

In der Gebäudetechnik werden für die Einrichtung von Forschungslaboratorien wie z.B. für die chemische oder physikalische Forschung bekanntermaßen Deckenkonstruktionen eingesetzt, bei denen die Zuleitungen für Abluft, Zuluft, die im Labor benötigten technischen Gase, Flüssigkeiten, Strom- und Datenleitungen etc. innerhalb der Decken mit Hilfe von geeigneten Befestigungseinrichtungen mittels Dübeln unmittelbar an der zugehörigen Gebäudedecke befestigt werden. Da die Verlegung der Leitungen dabei in der Regel nacheinander von unterschiedlichem Personal durchgeführt wird, ergibt sich die Schwierigkeit, dass der Verlauf der Leitungen mitunter nicht nur kreuz und quer sowie wechselweise in mehreren Ebenen erfolgt, sondern dass zudem auch durch die individuelle Montage der Befestigungseinrichtungen nachträglich nur sehr aufwändig räumliche Veränderungen einer bestehenden Laboranordnung vorgenommen werden können.In building technology, the establishment of research laboratories, such as For the chemical or physical research known ceiling constructions used in which the supply lines for exhaust air, supply air, the technical gases required in the laboratory, liquids, power and data lines, etc. mounted inside the ceiling with the help of suitable fasteners by means of dowels directly to the associated building ceiling become. Since the laying of the lines is usually carried out successively by different personnel, there is the difficulty that the course of the lines sometimes not only criss-cross and alternately takes place in several levels, but that subsequently also by the individual assembly of the fasteners later only very complex spatial changes of an existing laboratory arrangement can be made.

Aus der WO 2007/033821 ist eine Mediendecke zur Führung von Versorgungsleitungen in einem Raum eines Gebäudes bekannt, die einen eigensteifen Tragrahmen aus Profilträgern aufweist, der im Bereich der Decke des Raumes befestigt ist. Auf dem Tragrahmen sind hierbei wenigstens ein Zuluftkanal für die Zufuhr von Frischluft sowie mindestens ein Abluftkanal und Leitungen für die Zufuhr von Sanitär-Medien aufgenommen, wobei der Zuluftkanal sich oberhalb des Gangbereichs im Wesentlichen bündig mit der Unterseite des Tragrahmens in der Ebene des Tragrahmens erstreckt und die Leitungen zur Zufuhr der Sanitär- Medien oberhalb des Zuluftkanals in einer zweiten Ebene verlaufenFrom the WO 2007/033821 For example, a median blanket for guiding supply lines in a room of a building is known, which has a rigid support frame made of profiled supports, which is fastened in the area of the ceiling of the room. On the support frame in this case at least one supply air duct for the supply of fresh air and at least one exhaust duct and lines for the supply of sanitary media are added, the supply air duct extends above the passage area substantially flush with the underside of the support frame in the plane of the support frame and the lines for supplying the sanitary media run above the supply air duct in a second plane

Obgleich die in der zuvor genannten Patentanmeldung beschriebene Mediendecke nicht nur eine sehr schnelle und einfache Montage sondern zusätzlich auch eine in hohem Maße strukturierte Verlegung der Zuluft- und Abluftkanäle sowie der Medienleitungen erlaubt, ist die gesamte Konstruktion durch den eingesetzten Zuluftkanal, der in der Ebene der Tragrahmenkonstruktion geführt ist, vergleichsweise teuer, da für eine im Wesentlichen geradlinige Leitungsführung Durchbrüche in den Profilträgern der Tragrahmenkonstruktion vorgesehen werden müssen.Although the media ceiling described in the aforementioned patent application not only allows a very quick and easy installation but also a highly structured installation of the supply air and exhaust air ducts and the media lines, the entire construction is relatively expensive due to the inlet air duct used, which is guided in the plane of the supporting frame construction, since openings for a substantially rectilinear cable routing must be provided in the profile girders of the supporting frame construction.

Aus der JP 2006 349271 A ist ein System zur Kühlung oder zur Erwärmung von Luft innerhalb eines Raumes bekannt, bei welchem an der Decke des Raumes ein im Querschnitt D-förmiger Zuluftkanal angeordnet ist, über den gekühlte oder auch erwärmte Zuluft in den Raum eingebracht wird, die über dem zentralen Zuluftkanal gegenüberliegende Abluftkanäle, welche ebenfalls im Bereich der Decke des Raumes angeordnet sind, auf direktem Wege wieder abgesaugt wird. Die Schrift gibt keinen Hinweis darauf, den Zuluftkanal lösbar unmittelbar an der Unterseite eines Tragrahmens anzuordnen, der aus eigensteifen Profilträgern besteht, und im Inneren des Zuluftkanals eine Lichtquelle anzuordnen.From the JP 2006 349271 A a system for cooling or for heating air within a room is known in which a cross-sectionally D-shaped supply air duct is arranged on the ceiling of the room, is introduced via the cooled or heated supply air into the room, which is above the central supply air duct opposite exhaust ducts, which are also located in the ceiling of the room, is sucked off again directly. The document gives no indication to detachably arrange the supply air duct directly on the underside of a support frame, which consists of intrinsically rigid profile carriers, and to arrange a light source inside the supply air duct.

Die US 2002/0155805 A1 beschreibt einen Zuluftkanal mit einem D-förmigen Querschnitt aus textilem Material oder Kunststoffmaterial, der in zwei Nuten von Hohlprofilen eingehängt ist. Zur Beleuchtung des Kanals ist eine Lichtquelle außerhalb des Kanals auf dessen Oberseite angeordnet, welche den Kanal durch eine lichtdurchlässige Abdeckung hindurch beleuchtet. Der Kanal wird durch Profilleisten gehalten, die über Gewindestangen an einem unmittelbar an der Gebäudedecke befestigten Träger aufgenommen sind, um den nötigen Platz für die Lichtquelle zu schaffen. Das Dokument beschreibt eine weitere Ausführungsform eines textilen Zuluftkanals, welcher einen kreisrunden Querschnitt aufweist, und der über Abstandshalter an einem einzelnen Stahlseil aufgehängt ist, welches unterhalb der Gebäudedecke verläuft. Bei dieser Ausfuhrungsform ist die Lichtquelle in Form von Strahlern oder LED-Wendeln im Innenraum des Textilkanals angeordnet.The US 2002/0155805 A1 describes a supply air duct with a D-shaped cross section of textile material or plastic material, which is hooked in two grooves of hollow sections. To illuminate the channel, a light source outside the channel is arranged on its upper side, which illuminates the channel through a translucent cover. The channel is held by profiled strips, which are received via threaded rods on a directly attached to the building ceiling support to provide the necessary space for the light source. The document describes a further embodiment of a textile supply air duct, which has a circular cross-section, and which is suspended via spacers on a single steel cable, which runs below the building ceiling. In this embodiment, the light source is arranged in the form of radiators or LED coils in the interior of the textile channel.

Demgemäß ist es eine Aufgabe der vorliegenden Erfindung, eine Mediendecke zu schaffen, die sich mit einem verringerten Herstellungsaufwand kostengünstiger fertigen lässt, und bei der auch die Wartungs- und Reinigungskosten für den Hohlkörper gegenüber der Mediendecke der eingangs genannten WO 2007/033821 verringert sind.Accordingly, it is an object of the present invention to provide a media cover, which can be produced more cost-effectively with a reduced production cost, and in which also the maintenance and cleaning costs for the hollow body with respect to the media ceiling of the aforementioned WO 2007/033821 are reduced.

Diese Aufgabe wird erfindungsgemäß durch die Merkmale von Anspruch 1 gelöst. Weitere Merkmale der Erfindung sind in den Unteransprüchen beschrieben.This object is achieved by the features of claim 1. Further features of the invention are described in the subclaims.

Gemäß der Erfindung umfasst eine Mediendecke, die als horizontale Raumaufteilung insbesondere in einem Labor dient, und die Versorgungsleitungen wie Medienleitungen für Wässer, Gase, Vakuum, Heizung und Kälte sowie auch für die elektrische und datentechnische Versorgung von Laborarbeitsplätzen führt, einen eigensteifen Tragrahmen auf Profilträgern, der im Bereich der Decke eines Raumes über entsprechend ausgestaltete Stützen im Abstand von dieser befestigt wird.According to the invention, a media ceiling, which serves as a horizontal partitioning in particular in a laboratory, and the supply lines such as media lines for water, gases, vacuum, heating and cooling as well as for the electrical and data supply of laboratory workplaces, a self-supporting frame on profile beams, which is fastened in the area of the ceiling of a room via appropriately designed columns at a distance from this.

An dem Tragrahmen aus Profilträgern ist weiterhin ein Zuluftkanal für die Zufuhrt von Frischluft in den Raum des Gebäudes angeordnet.On the support frame made of profiled supports a supply air duct for the supply of fresh air in the room of the building is still arranged.

Die erfindungsgemäße Mediendecke zeichnet sich dadurch aus, dass der Zuluftkanal einen an der Unterseite des Tragrahmens lösbar an diesem aufgenommenen langgestreckten Hohlkörper aus einem formstabilen eigenelastischen Werkstoff umfasst, der über seine Länge hinweg mit einer Vielzahl von Luftaustrittsöffnungen versehen ist, über die im Inneren des Hohlkörpers geführte Zuluft in den Raum austritt, dass der Hohlkörper zumindest abschnittsweise aus einem lichtdurchlässigen Werkstoff besteht und im Inneren des Hohlkörpers eine Lichtquelle angeordnet ist, und dass der Hohlkörper einen ersten und einen zweiten seitlichen Längsabschnitt umfasst, welcher zur Befestigung des Hohlkörpers am Tragrahmen durch ein kurzzeitiges Verformen des Hohlkörpers jeweils in einen zugeordneten, sich parallel zum Hohlkörper erstreckenden nutenartigen Aufnahmeabscbnitt einsteckbar ist und in diesem durch die Eigenelastizität des Werkstoffs gehalten wirdThe media cover according to the invention is characterized in that the supply air channel comprises a longitudinally hollow body made of a dimensionally stable intrinsic elastic material that is releasably attached to the underside of the support frame, which is provided over its length with a plurality of air outlet openings, via which guided in the interior of the hollow body Supply air exits into the space that the hollow body at least partially consists of a transparent material and inside the hollow body, a light source is arranged, and that the hollow body comprises a first and a second lateral longitudinal portion, which for fixing the hollow body to the support frame by a short-term deformation of the hollow body in each case in an associated, parallel to the hollow body extending groove-like Aufnahmeabscbnitt is inserted and held in this by the inherent elasticity of the material

Durch die Erfindung ergibt sich der Vorteil, dass der Zuluftkanal aufgrund seiner flexiblen Gestaltung auch nach der vollständigen Montage der Mediendecke mit den darauf angeordneten Komponenten im Bereich des Bodens des Raumes, bzw. in Arbeitshöhe und dem anschließenden Anheben des montierten Rahmens an die Gebäudedecke sehr leicht am Tragrahmen befestigt werden kann- Die Komponenten können hierbei insbesondere die kompletten Abluftkanäle mit Ansaugöffnungen Volumenstromreglem und Schalldämpfern, Kühldecken, Filter, Umluftkühlgeräte, gebäudeleittechnische Installationen wie Sensoren, oder auch Versorgungsleitungen für die Sanitärmedien sowie auch die Stromschienen und elektrischen Zuleitungen für die Beleuchtung, Signaleinrichtungen und Lautsprecher umfassen.The invention provides the advantage that the supply air duct due to its flexible design even after the complete installation of the media ceiling with the components arranged in the area of the floor of the room, or at working height and the subsequent raising of the mounted frame to the building ceiling very easily The components can be used in particular for the complete exhaust air ducts with intake openings, volumetric flow regulators and silencers, cooling ceilings, filters, circulating air cooling units, building services installations such as sensors, or also supply lines for the sanitary media as well as the busbars and electrical supply lines for the lighting, signaling devices and speakers.

Ein weiterer Vorteil der erfindungsgemäßen Mediendecke besteht darin, dass sich der Hohlkörper in gleicher Weise wieder sehr leicht vom Tragrahmen abnehmen lässt, um diesen beispielsweise in vorgegebenen Zeitintervallen zu reinigen.Another advantage of the media cover according to the invention is that the hollow body can be very easily removed in the same way from the support frame in order to clean it, for example, at predetermined time intervals.

Der langgestreckte Hohlkörper besteht gemäß einer nicht beanspruchten Ausfuhrungsform der Erfindung bevorzugt aus einem flexiblen textilen sicherheitstechnisch geeigneten Werkstoff wie z.B. einem schwer entflammbaren technischen Synthetikgewebe oder Folienmaterial, welches an die jeweiligen Bedürfnisse flexibel angepasst ist und beispielsweise eine Dicke von 0,03 mm bis 1 mm oder mehr aufweisen kann. Hierdurch ergibt sich der weitere Vorteil, dass der Hohlkörper bei Bedarf auch sehr bequem in bekannten Industriewaschmaschinen gereinigt werden kann.The elongated hollow body according to an embodiment of the invention, not claimed, preferably consists of a flexible textile material suitable for safety, such as e.g. a flame-retardant technical synthetic fabric or film material which is flexibly adapted to the respective needs and, for example, may have a thickness of 0.03 mm to 1 mm or more. This results in the further advantage that the hollow body can also be cleaned very conveniently in known industrial washing machines when needed.

Bei dieser Ausführungsform der Erfindung umfasst der Tragrahmen wenigstens einen, bevorzugt jedoch zwei sich entlang der langgestreckten Hohlkörper erstreckende Profilkörper, in denen jeweils mindestens eine Längsnut vorgesehen ist, welche parallel zum Hohlkörper ausgerichtet ist. Der Hohlkörper weist hierbei eine sich im Wesentlichen parallel zur Längsnut erstreckende Schlaufe auf, in der ein gummielastischer Formkörper, beispielsweise mit einem im Wesentlichen kreisrunden Außendurchmesser, der z.B. aus Kautschuk oder Polyurethan bestehen kann, eingebracht ist. Der gummielastische Formkörper besitzt dabei einen größeren Außendurchmesser als der Innendurchmesser der Nut, so dass dieser von Hand von der Unterseite der Mediendecke aus formschlüssig in die Nut eingepresst werden kann und in dieser formschlüssig fixiert ist. Die Nut kann hierzu bevorzugt auch einen sich erweiternden Nutengrund aufweisen, so dass der gummielastische Formkörper sich innerhalb des Nutengrundes zu seiner vollständigen Größe erweitern kann.In this embodiment of the invention, the support frame comprises at least one, but preferably two along the elongated hollow body extending profile body, in each of which at least one longitudinal groove is provided, which is aligned parallel to the hollow body. The hollow body in this case has a substantially parallel to the longitudinal groove extending loop in which a rubber-elastic molded body, for example, with a substantially circular outer diameter, the e.g. may be made of rubber or polyurethane is introduced. The rubber-elastic molded body has a larger outer diameter than the inner diameter of the groove, so that it can be pressed by hand from the bottom of the media ceiling of form-fitting manner in the groove and is fixed in this form-fitting manner. For this purpose, the groove may preferably also have a flared groove base, so that the rubber-elastic molded body can expand to its full size within the groove base.

Hierdurch ergibt sich der Vorteil, dass der langgestreckte Hohlkörper sich sehr schnell und mit nur wenigen Handgriffen auch von ungeübtem Personal am Tragrahmen der Mediendecke befestigen und von diesem lösen lässt, wodurch die Montagekosten sowie auch die Wartungs- und Reinigungskosten für den Hohlkörper entscheidend verringert werden können. Zudem besitzt der Hohlkörper dieser Ausführungsform, für die kein Schutz beansprucht wird, aufgrund seiner Flexibilität den Vorteil, dass er im Bereich der Tragrahmenkonstruktion zwangsweise erforderliche quer verlaufende Profilträger problemlos überbrücken kann, ohne dass es hierzu besonderer Maßnahmen bedarf. Im Bereich der zu überbrückenden Querträger sind die zuvor erwähnten Schlaufen dazu bevorzugt unterbrochen, wodurch sich die Möglichkeit einer über die gesamte Länge des Hohlkörpers hinweg bündigen Anlage desselben an der Unterseite der Tragrahmenkonstruktion eröffnet.This has the advantage that the elongated hollow body very quickly and with little effort by untrained personnel on the support frame Fix the media ceiling and release it, which can significantly reduce installation costs as well as the maintenance and cleaning costs for the hollow body. In addition, the hollow body of this embodiment, for which no protection is claimed, due to its flexibility has the advantage that it can easily bridge in the support frame construction compulsory required transverse profile beams without this requires special measures. In the area of the cross members to be bridged, the abovementioned loops are preferably interrupted for this purpose, which opens up the possibility of installation of the same over the entire length of the hollow body on the underside of the support frame construction.

Gemäß einer Ausfuhrungsform der Erfindung besitzt der langgestreckte Hohlkörper einen D-förmigen Querschnitt, wobei der abgeflachte Teil des Hohlkörpers unmittelbar plan oder bündig an der Unterseite des Tragrahmens anliegt und im Wesentlichen eine geschlossene, luftundurchlässige Fläche bildet. Der gewölbte Abschnitt des D-förmigen Querschnitts, welcher in vorteilhafter Weise dem Gangmittelbereich eines Labors in dem betreffenden Raum zugeordnet ist, ist bevorzugt mit einer Vielzahl von Luftaustrittsöffnungen in Form von Löchern oder auch Schlitzen versehen.According to one embodiment of the invention, the elongate hollow body has a D-shaped cross-section, wherein the flattened part of the hollow body rests directly flush or flush on the underside of the support frame and forms a substantially closed, air-impermeable surface. The domed portion of the D-shaped cross section, which is advantageously associated with the aisle area of a laboratory in the space in question, is preferably provided with a plurality of air outlet openings in the form of holes or slots.

Hierdurch ergibt sich der Vorteil, dass der langgetreckte Hohlkörper sehr kostengünstig gefertigt werden kann, wozu die Löcher beispielsweise mittels eines Lasers oder einer Stanze nach einem vorgegebenen Muster bevorzugt maschinell in den D-förmigen Querschnitt eingebracht werden können. Dabei ist die Belegungsdichte der Löcher, die in den an sich im Wesentlichen luftundurchlässigen Werkstoff eingebracht werden sowie auch die Größe der Löcher im Bereich des gewölbt verlaufenden Teils des Hohlkörpers jederzeit mit geringem Aufwand in Abhängigkeit von den jeweiligen lüftungstechnischen Anforderungen, wie insbesondere der Luftmenge und der Temperatur sowie der Anordnung der Labormöbel und der Abzüge an die jeweiligen Anforderungen anpassbar.This has the advantage that the elongated hollow body can be made very inexpensively, for which purpose the holes can be preferably machined into the D-shaped cross section, for example by means of a laser or a punch according to a predetermined pattern. In this case, the occupation density of the holes, which are introduced into the substantially air-impermeable material and the size of the holes in the region of the curved extending portion of the hollow body at any time with little effort depending on the respective ventilation requirements, such as in particular the amount of air and Temperature and the arrangement of the laboratory furniture and the deductions to the respective requirements customizable.

Bei der bevorzugten Ausführungsform der Erfindung ist die Anzahl der Löcher pro Flächeneinheit ausgehend von der Mitte des D-förmigen Querschnitts in Querrichtung des Hohlkörpers zu dessen Seitenrändern hin vergrößert. Die Löcher können beispielsweise einen Durchmesser im Bereich zwischen 0,4 mm im Zentrum des D-förmigen Abschnitts und z.B. 3,0 mm in den Randbereichen, desselben besitzen, und erstrecken sich bevorzugt in Reihen oder Clustern über die gesamte Länge des Hohlkörpers hinweg.In the preferred embodiment of the invention, the number of holes per unit area is increased from the center of the D-shaped cross-section in the transverse direction of the hollow body to its side edges. For example, the holes can be have a diameter in the range between 0.4 mm in the center of the D-shaped section and, for example, 3.0 mm in the edge regions thereof, and preferably extend in rows or clusters over the entire length of the hollow body.

Die Anzahl der Löcher kann hierbei beispielsweise zwischen fünf Löchern pro dm2 und über hundert Löchern pro dm2 betragen, wobei der Durchmesser der Löcher hierbei zusätzlich auch noch im Bereich zwischen 0,4 mm und 3 mm variieren kann. Die ideale Anordnung der Lochmuster wir dabei bevorzugt mit Hilfe von Computer unterstützten Shömungssimulationen (CFD) an die jeweiligen Bedürfnisse und räumlichen Gegebenheiten in dem betreffenden Labor angepasst, derart, dass die aus den Luftaustrittsöffnungen austretende Luft den Bereich unterhalb des Hohlkörpers nach einem vorgegebenen Mengenmuster beaufschlagtThe number of holes can be, for example, between five holes per dm 2 and over a hundred holes per dm 2 , wherein the diameter of the holes can additionally vary in the range between 0.4 mm and 3 mm. The ideal arrangement of the hole patterns is preferably adjusted with the aid of computer-aided flow simulations (CFD) to the respective needs and spatial conditions in the respective laboratory, such that the air emerging from the air outlet openings acts on the area below the hollow body according to a predetermined quantity pattern

Dadurch wird die bekannte, sich aus der Einbringung von kalter Zuluft bildende umgekehrte Tropfenform der sich beschleunigenden Zuluft unterbunden. Dies ermöglicht in besonders vorteilhafter Weise die Einbringung von wesentlich höheren Zuluftmengen bei gleichzeitig deutlich tieferen Zulufttemparaturen, ohne dass es zu den bei diesen Zuluftmengen und Zuluftemperaturen üblicher Weise auftretenden Zuglufterscheinugen kommt, die vom Laborpersonal in der Regel als sehr störend empfunden werden und leicht zu Erkältungskrankheiten führen können.As a result, the known, formed from the introduction of cold supply air inverted drop shape of the accelerating supply air is suppressed. This allows in a particularly advantageous manner, the introduction of much higher supply air volumes at the same time significantly lower Zulufttemparaturen without it occurring at the Zulu quantities and Zuluftemperaturen conventional manner occurring draft airs, which are usually perceived by laboratory staff as very disturbing and easily lead to colds can.

Nach einem weiteren der Erfindung zugrunde liegenden Gedanken steht der langgestreckte Hohlkörper mit einem Haupt-Zuluftkanal in Strömungsverbindung, welcher in der Ebene oberhalb des Tragrahmens auf diesem angeordnet sein kann und beispielsweise durch geeignete Winkelprofile am Tragrahmen gehalten wird. Der Haupt-Zulftkanal, der mit dem langgestreckten Hohlkörper strömungsmäßig über Querverbindungskanäle und bevorzugt von oben her in die Hohlkörper einmündende Stutzen oder dergleichen verbunden ist, besteht bevorzugt aus einem geringfügig luftdurchlässigen Werkstoff, z.B. aus einem unbeschichteten Textil- oder Kunststoffgewebe, insbesondere Polyamidgewebe, mit einer Maschenweite von 0,01 mm. Hierdurch wird in vorteilhafter Weise sichergestellt, dass es in den Abzweigungsbereichen des Haupt-Zuluftkanals infolge der sich ändernden Druck- und Strömungsverhältnisse nicht zu einem Auftreten von Kondenswasser kommt, wie dies z.B. bei metallischen Zuluftkanälen des Standes der Technik häufig zu beobachten ist, wenn diese nicht aufwändig isoliert sind.According to another underlying idea of the invention, the elongated hollow body is in flow communication with a main supply air duct, which may be arranged in the plane above the support frame on this and is held for example by suitable angle profiles on the support frame. The main Zulftkanal which is connected to the elongated hollow body fluidly via cross-connection channels and preferably from above into the hollow body opening nozzle or the like, preferably consists of a slightly air-permeable material, for example of an uncoated textile or plastic fabric, in particular polyamide fabric, with a Mesh size of 0.01 mm. As a result, it is ensured in an advantageous manner that there is no occurrence of condensation in the branch regions of the main supply air duct as a result of the changing pressure and flow conditions, as is often the case, for example, in the case of metallic supply air ducts of the prior art, if these are not laboriously insulated.

Gemäß einer weiteren Ausführungsform der Erfindung kann der langgestreckte Hohlkörper aus mehreren Teilabschnitten zusammengesetzt sein, die über Reißverschlüsse und/oder Klettverschlüsse im Wesentlichen luftdicht miteinander verbindbar sind. Die Reißverschlüsse oder Klettverschlüsse sind dabei bevorzugt an den umlaufenden Stirnrändern der Teilabschnitte des Hohlkörpers angeordnet, so dass mehrere Hohlkörperabschnitte miteinander zu einem Hohlkörper beliebiger Länge verbunden werden können.According to a further embodiment of the invention, the elongate hollow body may be composed of a plurality of subsections which are connectable to one another via zippers and / or hook and loop fasteners in a substantially air-tight manner. The zippers or hook and loop fasteners are preferably arranged on the peripheral end edges of the subsections of the hollow body, so that a plurality of hollow body sections can be connected together to form a hollow body of any length.

Weiterhin kann es ebenfalls vorgesehen sein, dass der langgestreckte Hohlkörper an einer zwischen zwei Profilträgern verlaufenden Platte, z.B. einer Aluminiumplatte, die die beiden Profilträger an deren Unterseite überspannt und durch einfache Senkschrauben und in die Längsnuten der Profilträger eingreifende Nutensteine gehalten wird, mit Hilfe von Klettband befestigt wird. Dieses kann z.B. eine Breite im Bereich von 40 mm besitzen und in Form von zwei Streifen auf die Unterseite der Platte entlang von deren Seitenrändern parallel zu den Profilträgern aufgeklebt sein. Der langgestreckte und in sich geschlossene Hohlkörper weist an seiner Oberseite die zu den Klettbändern korrespondieren Hakenbänder auf, die nach dem Andrücken des Hohlkörpers an den Klettbändern einhaken und den Hohlkörper an der Platte unterhalb des Tragrahmens lösbar fixieren.Furthermore, it can also be provided that the elongated hollow body on a running between two profile beams plate, e.g. an aluminum plate, which spans the two profile carrier at the bottom and is held by simple countersunk screws and in the longitudinal grooves of the profile carrier engaging sliding nuts, is attached by means of Velcro. This may e.g. have a width in the range of 40 mm and be glued in the form of two strips on the underside of the plate along its side edges parallel to the profile carriers. The elongated and self-contained hollow body has on its upper side corresponding to the Velcro hook bands, which hook after pressing the hollow body to the Velcro strips and releasably fix the hollow body to the plate below the support frame.

Der Einsatz von Klettband sowie auch von Reißverschlüssen ist ebenfalls im Bereich der Abzweigstellen zwischen dem Haupt-Zuluftkanal und dem Verbindungskanal, bzw. dem Verbindungskanal und dem Stutzen von Vorteil, welcher den langgestreckten Hohlkörper mit dem Verbindungskanal strömungsmäßig verbindet.The use of Velcro as well as zippers is also in the field of branching between the main supply air duct and the connecting channel, and the connecting channel and the nozzle of advantage, which connects the elongated hollow body with the connecting channel in terms of flow.

Nach einer weiteren Ausführungsform der Erfindung besteht der Hohlkörper aus einem formstabilen eigenelastischen Kunststoff und weist einen ersten und einen zweiten seitlichen Längsabschnitt auf, der bevorzugt integral am Hohlkörper geformt ist. Jedem der beiden seitlichen Längsabschnitte des Hohlkörpers ist ein an der Unterseite des Tragrahmens befestigter nutenartiger Aufnahmeabschnitt zugeordnet, der sich parallel zum Hohlkörper erstreckt, und in den der jeweilige Aufnahmeabschnitt einsteckbar ist. Um den Hohlkörper bei dieser Ausfuhrungsform der Erfindung am Tragrahmen zu befestigen, wird der bevorzugt die Form eines liegenden "D" mit den daran geformten zusätzlichen seitlichen Längsabschnitten oder - anders ausgedrückt - die Form eines "Ω" aufweisende, bevorzugt einteilige Formkörper kurzzeitig im Bereich der seitlichen Längsabschnitte entgegen seiner Eigenelastizität zusammengedrückt, wodurch die Längsabschnitte aufgrund der kurzzeitig verringerten Breite des Hohlkörpers in die nutenartigen Aufnahmeabschnitte eingeführt werden können. Nach dem Loslassen des Hohlkörpers werden die Längsabschnitte dann aufgrund der Eigenelastizität in die nutenartigen Aufnahmeabschnitte gedrängt und der Hohlkörper auf diese Weise am Tragrahmen fixiert.According to a further embodiment of the invention, the hollow body consists of a dimensionally stable inherently elastic plastic and has a first and a second lateral longitudinal section, which is preferably integrally formed on the hollow body. Each of the two lateral longitudinal sections of the hollow body is associated with a groove-like receiving section attached to the underside of the support frame, which is parallel to the Hollow body extends, and in which the respective receiving portion can be inserted. In order to attach the hollow body in this embodiment of the invention on the support frame, which is preferably the shape of a lying "D" with the additional lateral longitudinal sections formed thereon or - in other words - the shape of a "Ω" having, preferably one-piece moldings briefly in the field of Side longitudinal sections compressed against its own elasticity, whereby the longitudinal sections can be introduced due to the short-term reduced width of the hollow body in the groove-like receiving portions. After releasing the hollow body, the longitudinal sections are then urged due to the inherent elasticity in the groove-like receiving portions and fixed the hollow body in this way on the support frame.

Nach dem der Erfindung zugrunde liegenden Gedanken besteht der Hohlkörper abschnittsweise aus einem lichtdurchlässigen Werkstoff, z.B. aus transparentem oder transluzentem Kunststoff, wobei im Inneren des Hohlkörpers die Lichtquelle angeordnet ist, die über die oberhalb des Zuluftkanals angeordneten elektrischen Versorgungsleitungen mit Elektrizität versorgt werden kann. Hierdurch ergibt sich der Vorteil, dass der Hohlkörper gleichzeitig auch die Funktion einer Lampe übernimmt, die geschützt innerhalb des Zuluftkanals aufgenommen und aufgrund der einfachen Demontage des Hohlkörpers jederzeit problemlos zugänglich ist. Durch die hiermit verbundene Doppelfunktion des Hohlkörpers als Zuluftkanal sowie auch als Lichtquelle, ergeben sich erhebliche Kostenvorteile.According to the idea underlying the invention, the hollow body consists in sections of a light-transmissive material, e.g. made of transparent or translucent plastic, wherein in the interior of the hollow body, the light source is arranged, which can be supplied via the above the supply air duct arranged electrical supply lines with electricity. This results in the advantage that the hollow body at the same time assumes the function of a lamp that is protected within the Zuluftkanals added and easily accessible at any time due to the simple disassembly of the hollow body. Due to the associated double function of the hollow body as a supply air channel and as a light source, there are significant cost advantages.

Die Erfindung wird nachfolgend mit Bezug auf die Zeichnungen anhand einer bevorzugten Ausfuhrungsform der Erfindung beschrieben.The invention will be described below with reference to the drawings with reference to a preferred embodiment of the invention.

In den Zeichnungen zeigen,

Fig. 1
eine schematische räumliche Darstellung einer Mediendecke mit einem daran im unteren Bereich angeordneten langgestreckten Hohlkörpers aus textilem Werkstoff sowie einem in Querrichtung oberhalb der Rahmenebene verlaufenden Haupt-Zuluftkanal,
Fig. 2
eine Querschnittsansicht der erfindungsgemäßen Mediendecke im Bereich eines Querträgers,
Fig. 3
eine Detailansicht des Randbereichs eines langgestreckten Hohlkörpers aus textilem Werkstoff zur Verdeutlichung der Befestigung desselben an einem sich entlang des Hohlkörpers erstreckenden Profilträger, und
Fig. 4
eine weitere Querschnittsansicht der Mediendecke gemäß der erfindungsgemäßen Ausführungsform, bei der der langgestreckte Hohlkörper aus einem eigensteifen formstabilen und bevorzugt transparenten oder transluzentem Werkstoff besteht.
In the drawings show
Fig. 1
a schematic spatial representation of a media ceiling with an elongated hollow body made of textile material disposed thereon in the lower region and a main supply air duct extending transversely above the frame plane,
Fig. 2
a cross-sectional view of the media cover according to the invention in the region of a cross member,
Fig. 3
a detailed view of the edge region of an elongated hollow body made of textile material to illustrate the attachment of the same on a along the hollow body extending profile carrier, and
Fig. 4
a further cross-sectional view of the median blanket according to the embodiment of the invention, in which the elongated hollow body consists of an inherently rigid dimensionally stable and preferably transparent or translucent material.

Wie in Fig. 1 gezeigt ist, umfasst eine Mediendecke 1 zur Führung von Versorgungsleitungen 6 in einem Raum eines Gebäudes einen eigensteifen Tragrahmen 2 aus Profilträgern 4, der an der nicht näher gezeigten Decke des Raumes über Abstandshalter 8 befestigt ist. Wie der Darstellung von Fig. 1 weiterhin entnommen werden kann, ist an der Unterseite des Tragrahmens 2 ein Zuluftkanal aufgenommen, der aus einem langgestreckten Hohlkörper 10 besteht, welcher aus einem flexiblen textilen Werkstoff besteht, der als solcher für Luft undurchlässig ist. Der Hohlkörper 10 besitzt einen im Wesentlichen D-formigen Querschnitt und ist über seine Länge hinweg mit einer Vielzahl von Luftaustrittsöffnungen 12 versehen, die in den flexiblen Werkstoff als ein den gewünschten Strömungsverhältnissen angepasstes Muster, bevorzugt mit Hilfe einer Stanze oder eines Lasers eingebracht werden.As in Fig. 1 1, a media cover 1 for guiding supply lines 6 in a room of a building comprises an intrinsically rigid support frame 2 made of profile supports 4, which is fastened to the ceiling of the room, not shown in more detail, by means of spacers 8. Like the presentation of Fig. 1 can be removed, a supply air duct is added to the underside of the support frame 2, which consists of an elongated hollow body 10, which consists of a flexible textile material, which is impermeable as such for air. The hollow body 10 has a substantially D-shaped cross-section and is provided over its length with a plurality of air outlet openings 12, which are introduced into the flexible material as a pattern adapted to the desired flow conditions, preferably by means of a punch or a laser.

Wie hierbei der Darstellung von Fig. 2 im einzelnen entnommen werden kann, sind die Luftaustrittsöffnungen 12 nicht gleichmäßig über den Querschnitt des Hohlkörpers 10 verteilt angeordnet, sondern erstrecken sich bevorzugt in Reihen über die gesamte Länge hinweg, wobei die Dichte und auch die Größe der Öffnungen 12 ausgehend von dem durch die Linie 15 angedeuteten Zentrum des Hohlkörpers 10 zu dessen Seiten hin zunimmt.As here the representation of Fig. 2 can be taken in detail, the air outlet openings 12 are not uniformly distributed over the cross section of the hollow body 10, but preferably extend in rows over the entire length, the density and the size of the openings 12, starting from that through the line 15th indicated center of the hollow body 10 increases towards its sides.

Zusätzlich oder alternativ kann es weiterhin vorgesehen sein, dass die Öffnungen 12 nicht gleichmäßig verteilt auf dem gekrümmten Abschnitts des Hohlkörpers angeordnet sind, sondern insbesondere in den seitlichen Teilen des gekrümmten Abschnitts jenseits des Zentrums 15 zu mehreren in Clustern in diesen eingebracht sind, das heißt in Anhäufungen von z.B. 10 Löchern, die beispielsweise eine Größe von lediglich 0.4 mm besitzen.Additionally or alternatively, it may further be provided that the openings 12 are not arranged evenly distributed on the curved portion of the hollow body, but in particular in the lateral parts of the curved portion beyond the center 15 are introduced into a plurality of clusters in this, ie in Accumulations of eg 10 holes, for example, have a size of only 0.4 mm.

Die inhomogene Verteilung der Löcher ist in Fig. 2 lediglich schematisch angedeutet.The inhomogeneous distribution of the holes is in Fig. 2 indicated only schematically.

Wie der Darstellung von Fig. 2 und Fig. 3 weiterhin entnommen werden kann, ist der lang gestreckte Hohlkörper 10 an der Unterseite des Tragrahmens 2 gemäß einer Ausfuhrungsform, für die kein Schutz beansprucht wird, lösbar befestigt, wozu am Hohlkörper beiderseits jeweils eine Schlaufe 14a, 14b ausgebildet ist, in der ein langgestreckter Formkörper 16 aus einem gummielastischen Werkstoff aufgenommen ist, der in die Schlaufe vom einen Ende des Hohlkörpers 10 aus eingeschoben wird.Like the presentation of Fig. 2 and Fig. 3 can be removed, the elongated hollow body 10 on the underside of the support frame 2 according to an embodiment, for which no protection is claimed, releasably secured, including on the hollow body on both sides in each case a loop 14a, 14b is formed, in which an elongated shaped body 16th is received from a rubber-elastic material which is inserted into the loop from one end of the hollow body 10 from.

Der Tragrahmen 2 umfasst bei dieser Ausführungsform der Erfindung einen ersten und einen zweiten Profilkörper 4a, 4b, in denen jeweils eine der jeweiligen Schlaufe 14a, 14b zugeordnete Längsnut 18a, 18b geformt ist, die zumindest im Bereich der Außenseite des Profilkörpers 4a, 4b eine kleinere Öffnungsbreite als der Außendurchmesser des Formkörpers 16 besitzt, so dass der Formkörper zusammen mit der diesen umgebenden Schlaufe 14a, 14b von Hand in die Nut 18a, 18b eingepresst werden kann, wie dies in Fig. 3 angedeutet ist. Gemäß der Darstellung von Fig. 3 kann sich die Breite der Längsnut 18a, 18b zur Innenseite des Profilkörpers 4a, 4b hin, d.h. in Richtung zum Nutengrund hin erweitern, wodurch das Einführen des Formkörpers 16 erleichtert und dessen Halt innerhalb der Längsnut 18a, 18b verbessert wird.The support frame 2 comprises in this embodiment of the invention, a first and a second profile body 4a, 4b, in each of which a respective loop 14a, 14b associated longitudinal groove 18a, 18b is formed, at least in the region of the outside of the profile body 4a, 4b a smaller Opening width than the outer diameter of the shaped body 16 has, so that the molding together with the surrounding loop 14a, 14b by hand in the groove 18a, 18b can be pressed, as shown in Fig. 3 is indicated. As shown by Fig. 3 For example, the width of the longitudinal groove 18a, 18b towards the inside of the profile body 4a, 4b, ie in the direction of the groove bottom to expand, thereby facilitating the insertion of the molded body 16 and its support within the longitudinal groove 18a, 18b is improved.

Gemäß der Darstellung von Fig. 1 erfolgt die Zufuhr der aus darstellungstechnischen Gründen nur in Fig. 2 durch Pfeile angedeuteten Zuluft in den langgestreckten Hohlkörper 10 über einen Haupt-Zuluftkanal 20, der mit dem Hohlkörper 10 über einen ebenfalls aus einem flexiblen, bevorzugt textilen Werkstoff bestehenden Verbindungskanal 22 und einen Stutzen 24 strömungsmäßig verbunden ist. Der Haupt-Zuluftkanal 20 sowie auch der Verbindungskanal 22 bestehen bevorzugt aus einem leicht luftdurchlässigen Werkstoff und sind zusammen mit dem Stutzen 24 in vorteilhafter Weise in einer Ebene angeordnet, die sich oberhalb der Ebene des Tragrahmens 2 befindet. Hierdurch ergibt sich der Vorteil, dass der Tragrahmen 2 zur Montage der Mediendecke 1 im Bereich des Bodens des Gebäudes oder in einer gewünschten Arbeitshöhe zusammen mit allen oberhalb des Tragrahmens 2 angeordneten Komponenten fertigt montiert werden kann, wobei hierbei auch der sich bevorzugt quer zum langgestreckten Hohlkörper 10 erstreckende Haupt-Zuluftkanal 20 auf dem Tragrahmen 2 befestigt werden kann.As shown by Fig. 1 the supply of the presentation technical reasons only in Fig. 2 indicated by arrows supply air into the elongated hollow body 10 via a main supply air channel 20 which is connected to the hollow body 10 via a likewise made of a flexible, preferably textile material connecting channel 22 and a port 24 fluidly connected. The main supply air duct 20 and the connecting channel 22 are preferably made of a slightly air-permeable material and are arranged together with the nozzle 24 in an advantageous manner in a plane which is located above the plane of the support frame 2. This results in the advantage that the support frame 2 for mounting the media blanket 1 in the region of the bottom of the building or at a desired working height can be mounted together with all arranged above the support frame 2 components manufactures, in which case also preferably transverse to the elongated hollow body 10 extending main supply air duct 20 can be mounted on the support frame 2.

Dabei ist es für die Montage der Mediendecke 1 nicht erforderlich, dass auch der Hohlkörper 10 von Anfang an mit am Tragrahmen 2 befestigt werden muss, wodurch sich insbesondere die Montage der Mediendecke 1 in Arbeitshöhe deutlich erleichtert, die z.B. im Bereich von 80 cm bis 130 cm liegen kann.It is not necessary for the installation of the median blanket 1 that also the hollow body 10 must be attached to the support frame 2 from the beginning, which in particular significantly facilitates the mounting of the median cover 1 at a working height, e.g. can range from 80 cm to 130 cm.

Nach der vollständigen Montage des Tragrahmens 2 und der darauf angeordneten Komponenten wird die gesamte Konstruktion durch eine oder mehrere Hebevorrichtungen, z.B. Flaschenzüge oder Elektrolifter, angehoben und die Stutzen 8 an der Gebäudecke befestigt. In einer Zwischenposition von ca. 1.8 bis 2.0m Höhe erfolgt dann die Befestigung des langgestreckten Hohlkörpers 10, bzw. der einzelnen Teilabschnitte desselben am Tragrahmen 2, wobei die Verbindung der Teilabschnitte untereinander über nicht näher gezeigte luftdichte Reißverschlüsse und/oder Klettverschlüsse und die Verbindung mit dem in diesem Falle eigensteifen Stutzen 24 über eine umlaufende elastische Schnur 26 erfolgen kann, welch letztere die an den bevorzugt verdickten Kanten des Stutzens 24 von außen her anliegenden vertikalen Abschnitte 28 des Hohlkörperwerkstoffs umspannt, wie dies in Fig. 2 angedeutet ist.After complete assembly of the support frame 2 and the components arranged thereon, the entire construction is lifted by one or more lifting devices, such as pulley or electric lifter, and the nozzle 8 is attached to the building corner. In an intermediate position of about 1.8 to 2.0m height is then the attachment of the elongated hollow body 10, or the individual sections thereof on the support frame 2, wherein the connection of the sections with each other via not shown in detail airtight zippers and / or hook and loop fasteners and the connection the stiffened in this case Stub 24 can be made via a circumferential elastic cord 26, which latter spans the preferably thickened edges of the nozzle 24 from the outside adjacent vertical portions 28 of the hollow body material, as in Fig. 2 is indicated.

Gemäß der Darstellung von Fig. 4 besteht der Hohlkörper 10 bei der erfindungsgemäßen Ausführungsform aus einem formstabilen eigenelastischen Kunststoff und weist einen ersten und einen zweiten seitlichen Längsabschnitt 30a, 30b auf, der bevorzugt integral am Hohlkörper 10 geformt ist. Jedem der beiden seitlichen Längsabschnitte 30a, 30b ist ein an der Unterseite des Tragrahmens 4 befestigter nutenartiger oder taschenartiger Aufnahmeabschnitt 32a, 32b zugeordnet, der sich parallel zur Längsachse des Hohlkörpers 10 in horizontaler Richtung erstreckt und bevorzugt über nicht näher bezeichnete Schrauben und Nutensteine an dem jeweiligen Profilträger 4a, 4b befestigt wird. Die nutenartigen Aufnahmeabschnitte 32a, 32b können in vorteilhafter Weise durch in den Zeichnungen nicht dargestellte Deckenplatten abgedeckt werden, wie sie z.B. in Verbindung mit Klimadecken zum Einsatz gelangen. Um den Hohlkörper 10, der bei dieser Ausführungsform der Erfindung bevorzugt die Form eines liegenden "D" mit den daran geformten zusätzlichen Längsabschnitten, bzw. eines "Ω" besitzt, am Tragrahmen 4 lösbar zu befestigen, werden die Längsabschnitte 30a, 30b kurzzeitig zum Zentrum 15 des Hohlkörpers 10 hin zusammengedrückt und die Längsabschnitte anschließend in die nutenartigen Aufnahmeabschnitte 32a, 32b eingeführt. Nach dem Loslassen des Hohlkörpers 10 werden die Längsabschnitte dann aufgrund der Eigenelastizität des eigensteifen Werkstoffs, aus dem der Hohlkörper besteht, in die nutenartigen Aufnahmeabschnitte 32a, 32b gedrängt, wodurch der Hohlkörper 10 lösbar formschlüssig am Tragrahmen 4 gehalten wird.As shown by Fig. 4 consists of the hollow body 10 in the embodiment according to the invention of a dimensionally stable intrinsic elastic plastic and has a first and a second lateral longitudinal portion 30 a, 30 b, which is preferably integrally formed on the hollow body 10. Each of the two lateral longitudinal sections 30a, 30b is associated with a groove-like or pocket-like receiving section 32a, 32b attached to the underside of the support frame 4, which extends parallel to the longitudinal axis of the hollow body 10 in the horizontal direction and preferably via unspecified Screws and nuts on the respective profile carrier 4a, 4b is attached. The groove-like receiving portions 32a, 32b can be covered in an advantageous manner by ceiling tiles, not shown in the drawings, as they are used, for example, in conjunction with air conditioning ceilings. In order to detachably fasten the hollow body 10, which in this embodiment of the invention preferably has the shape of a lying "D" with the additional longitudinal sections formed thereon, or a "Ω", the longitudinal sections 30a, 30b become the center for a short time 15 of the hollow body 10 compressed toward and then introduced the longitudinal sections in the groove-like receiving portions 32 a, 32 b. After releasing the hollow body 10, the longitudinal sections are then forced into the groove-like receiving portions 32a, 32b due to the inherent elasticity of the inherently rigid material of which the hollow body, whereby the hollow body 10 is releasably positively held on the support frame 4.

Die Verteilung und Ausgestaltung der Luftaustrittsöffnungen entspricht bei dieser Ausfuhrungsform der Erfindung bevorzugt der Verteilung und Ausgestaltung der Luftaustrittsöffnungen der zuerst beschriebenen Ausfuhrungsform desselben aus flexiblen, insbesondere textilem Werkstoff.The distribution and design of the air outlet openings in this embodiment of the invention preferably corresponds to the distribution and design of the air outlet openings of the first embodiment thereof described from flexible, in particular textile material.

Nach einem weitem der Erfindung zugrunde liegenden Gedanken kann der Werkstoff des Hohlkörpers 10 zumindest abschnittsweise lichtdurchlässig sein, z.B. transparenter oder transluzenter Kunststoff. Im Inneren des Hohlkörpers 10 ist erfindungsgemäß eine Lichtquelle 34 angeordnet, die z.B. eine Leuchtstoffröhre oder LED umfasst, welche ggf. durch ein geeignetes Vorschaltgerät 36, das bevorzugt auf der Oberseite des Hohlkörpers 10 angeordnet ist, betrieben wird. Der Hohlkörper 10 ist bei den beiden zuvor beschriebenen Ausführungsformen mit Ausnahme im Bereich der Luftaustrittsöffnungen und ggf. der Öffnungen für die Stromzuführungen zu den Lichtqellen 34 über seine gesamte Länge hinweg im Querschnitt betrachtet ähnliche einem Luftsack geschlossen.According to a broad idea underlying the invention, the material of the hollow body 10 may be translucent at least in sections, e.g. transparent or translucent plastic. In the interior of the hollow body 10, a light source 34 is arranged according to the invention, e.g. a fluorescent tube or LED comprises, which if necessary by a suitable ballast 36, which is preferably arranged on the upper side of the hollow body 10, is operated. The hollow body 10 is closed in the two previously described embodiments, except in the region of the air outlet openings and possibly the openings for the power supply to the Lichtqellen 34 over its entire length in cross-section similar to an airbag.

Claims (12)

  1. A service ceiling (1) for conducting supply lines in a space of a building, in particular in a laboratory, with an intrinsically rigid supporting frame (2) made of profiled carriers (4, 4a, 4b) which is fastened in the region of the ceiling of the space, and also with at least one incoming-air duct (10, 20) for supplying fresh air and lines (6) for supplying sanitary media,
    characterised in that
    the incoming-air duct comprises an elongate hollow body (10) received detachably on the supporting frame (2) on the underside thereof and made of a dimensionally stable, intrinsically elastic material, which is provided over its length with a multiplicity of air exit openings (12) via which incoming air conducted in the interior of the hollow body (10) emerges into the space, in that the hollow body (10) consists at least in portions of a transparent material, and a light source (34) is arranged in the interior of the hollow body, and in that the hollow body (10) comprises a first and a second lateral longitudinal portion (30a, 30b) which in order to fasten the hollow body to the supporting frame (4) can be inserted by brief deformation of the hollow body (10) in each case into an associated groove-like receiving portion (32a, 32b) extending parallel to the hollow body (10) and is held in said portion by the intrinsic elasticity of the material.
  2. A service ceiling according to one of the preceding claims,
    characterised in that
    the hollow body (10) has a D-shaped cross-section, the flattened-off portion of the hollow body running on the underside of the supporting frame (2), in particular in flush manner therewith, and the air exit openings (12) being arranged in the curved portion of the D-shaped cross-section.
  3. A service ceiling according to Claim 2,
    characterised in that
    the number of air exit openings (12) per unit of surface area, starting from the middle (15) of the D-shaped cross-section, increases in the transverse direction of the hollow body (10) towards the lateral edges thereof such that the air emerging from the air exit openings (12) acts upon the region beneath the hollow body according to a specified amount pattern.
  4. A service ceiling according to one of Claims 2 or 3,
    characterised in that
    the size of the air exit openings (12), starting from the middle (15) of the D-shaped cross-section increases in the transverse direction of the shaped body (10) towards the lateral edges thereof.
  5. A service ceiling according to one of Claims 2 to 4,
    characterised in that
    the air exit openings (12) are arranged in rows running parallel to the longitudinal axis of the hollow body (10).
  6. A service ceiling according to one of the preceding claims,
    characterised in that
    the elongate hollow body (10) is in a flow connection with a main incoming-air duct (20) which is arranged on the supporting frame (2) in the plane above said frame, and which consists in particular of an air-permeable textile material.
  7. A service ceiling according to one of the preceding claims,
    characterised in that
    the elongate hollow body (10) consists of a plurality of partial portions which can be connected together by means of zip fasteners and/or hook-and-loop fasteners which are substantially impermeable to air.
  8. A service ceiling according to Claims 1 to 6,
    characterised in that
    the hollow body (10) is formed in one piece and has a substantially Ω-shaped cross-section, the first and the second longitudinal portion (30a; 30b) running substantially horizontally and being inserted into the respective groove-like receiving portion (32a, 32b).
  9. A service ceiling according to one of Claims 1 to 8,
    characterised in that
    the hollow body (10) consists of a dimensionally stable, intrinsically elastic plastics material.
  10. A service ceiling according to one of the preceding claims,
    characterised in that
    the elongate hollow body (10) is fastened detachably by means of hook-and-loop tape to a flat plate which extends along the underside of the supporting frame (4).
  11. A service ceiling according to Claim 2,
    characterised in that
    the holes in the lateral parts of the curved portion on either side of the centre (15) are formed in the hollow body (10) in several clusters, in particular in accumulations of 10 holes.
  12. A service ceiling according to Claim 11,
    characterised in that
    the holes have a size of 0.4 mm.
EP11000693.9A 2010-01-29 2011-01-28 Service ceiling with a flexible air duct Active EP2357294B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102010006360A DE102010006360A1 (en) 2010-01-29 2010-01-29 Mediendecke with a flexible supply air duct

Publications (3)

Publication Number Publication Date
EP2357294A2 EP2357294A2 (en) 2011-08-17
EP2357294A3 EP2357294A3 (en) 2014-10-22
EP2357294B1 true EP2357294B1 (en) 2018-09-26

Family

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Application Number Title Priority Date Filing Date
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EP (1) EP2357294B1 (en)
DE (2) DE102010006360A1 (en)
DK (1) DK2357294T3 (en)
ES (1) ES2702098T3 (en)

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Also Published As

Publication number Publication date
EP2357294A2 (en) 2011-08-17
EP2357294A3 (en) 2014-10-22
ES2702098T3 (en) 2019-02-27
DK2357294T3 (en) 2019-01-07
DE102010006360A1 (en) 2011-08-04
DE202010017538U1 (en) 2012-02-29

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