EP3029212B1 - Plafond creux comprenant un boitier pare-feu - Google Patents

Plafond creux comprenant un boitier pare-feu Download PDF

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Publication number
EP3029212B1
EP3029212B1 EP15196518.3A EP15196518A EP3029212B1 EP 3029212 B1 EP3029212 B1 EP 3029212B1 EP 15196518 A EP15196518 A EP 15196518A EP 3029212 B1 EP3029212 B1 EP 3029212B1
Authority
EP
European Patent Office
Prior art keywords
protection housing
fire
opening
covering
fire protection
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP15196518.3A
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German (de)
English (en)
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EP3029212A2 (fr
EP3029212A3 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kaiser GmbH and Co KG
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Kaiser GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kaiser GmbH and Co KG filed Critical Kaiser GmbH and Co KG
Publication of EP3029212A2 publication Critical patent/EP3029212A2/fr
Publication of EP3029212A3 publication Critical patent/EP3029212A3/fr
Application granted granted Critical
Publication of EP3029212B1 publication Critical patent/EP3029212B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E04B9/001—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation characterised by provisions for heat or sound insulation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/02—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters
    • F21S8/026—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters intended to be recessed in a ceiling or like overhead structure, e.g. suspended ceiling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V25/00—Safety devices structurally associated with lighting devices
    • F21V25/12—Flameproof or explosion-proof arrangements
    • F21V25/125—Flameproof or explosion-proof arrangements using intumescent material, i.e. using materials which swells up as a result of heat exposure

Definitions

  • the invention relates to a hollow ceiling with a panel forming the underside of the hollow ceiling and with a fire protection housing positioned behind the panel for electrotechnical installations, the panel having an opening in the area of the arrangement of the fire protection housing.
  • a housing on the rear of a hollow ceiling, which housing accommodates electrical components.
  • This case is arranged on the back of the paneling of the hollow ceiling in the area of an opening in the paneling.
  • This opening is suitable and intended for the use of a lamp, for example. The lamp can be inserted into this opening and fixed to it.
  • hood-like cover housings for built-in lights which, starting from a base plate, have legs which can be moved elastically. A corresponding opening is provided in the hollow ceiling for installation in a hollow ceiling. The cover housing can be pushed in through this opening with the legs pressed together. Spread your legs then behind the installation opening or in this and enable a firm fit in the installation opening, whereby a built-in lamp can also be arranged in this element. Examples of such configurations are DE 19937617 C2 , the DE 20217028 U1 and the DE 202007012107 U1 refer to.
  • a similar embodiment is from EP 0427498 B1 known. Such configurations are not suitable for fire protection purposes, however, since they form large free spaces in the rear area starting from the opening in the hollow ceiling, which allow air or even fire gases to pass through.
  • a luminaire with a lamp housing is known in which the lamp housing is a molded part made of a rubber-elastic material that can be inserted into a perforation in a ceiling or wall.
  • the lamp housing is a molded part made of a rubber-elastic material that can be inserted into a perforation in a ceiling or wall.
  • Such a configuration makes it possible to insert and hold this lamp from the front in the corresponding opening of a hollow ceiling.
  • the installation space made available by this configuration is very limited such an arrangement is not suitable for fire protection purposes.
  • a suitable design of a fire protection housing for the specified fire protection purposes is from DE 10245397 A1 known.
  • the housing is larger than the installation opening and is made of dimensionally stable material. So that this fire protection housing can be installed through the opening in the ceiling, it is divided into several components, namely two L-shaped side parts and two partial covers, which form the overall cover. These items can be assembled through the opening and assembled behind the opening.
  • the invention is based on the object of providing a hollow ceiling with a fire protection housing, in which a dimensionally stable and heat-resistant fire protection housing can be mounted from the front of the hollow ceiling through the opening in the hollow ceiling and so positioned behind the hollow ceiling is that the opening is covered as a whole by the fire protection housing.
  • the opening is rectangular with a length L and a width B
  • the fire protection housing is dimensionally stable, consists of a one-piece sheet metal housing and forms a cuboid shape with a length LB, a width BB and a height HB a base in the installation position rests against the rear side of the planking and has an installation opening
  • the width BB of the fire protection housing is shorter than the length L of the opening and the height HB of the fire protection housing shorter than the width B of the opening
  • the length LB of the fire protection housing is dimensioned greater than the length L of the opening and the width BB of the fire protection housing is dimensioned greater than the width B of the opening
  • the formation of the opening in the planking Rectangular cladding cut out of the cladding is inserted into the opening and in this position either attached to the cladding or to the fire protection housing, the cladding cutout forming a closed surface element or a partial area having at least one installation opening for the
  • the cuboid fire protection housing through the rectangular opening by inserting the fire protection housing with a narrow end face first into the opening from below and pushing it behind the paneling.
  • the housing can then be aligned parallel to the rear of the paneling and rotated by 90 degrees, an installation situation then being created in which the opening is completely separated from the Fire protection housing is covered, so there are no gaps between the soffit of the opening and the fire protection housing, but the fire protection housing completely covers the opening and its marginal edges.
  • the fire protection housing is preferably made of sheet steel so that it is not only dimensionally stable and can withstand corresponding loads, but is also sufficiently temperature-stable, so that it can withstand a fire-related temperature effect for a sufficient time even in the event of a fire.
  • the hollow ceiling can be constructed in the usual way, with the planking being formed, for example, by plasterboard or the like, preferably in multiple layers, and preferably complying with fire protection regulations.
  • the fitter can receive a template attached to the fire protection housing that shows the dimensions of the installation opening so that the fitter can cut the installation opening into the paneling of the hollow ceiling accordingly. Then the fire protection housing can be inserted and positioned. All marginal edges of the installation opening are then covered in such a way that they lie within the space surrounded by the fire protection housing.
  • the fire protection housing can be made very large. For example, dimensions of 250 mm Length, 200 mm width and 100 mm height possible. A large installation space is thus made available within the fire protection housing, so that a whole series of electrical components can be installed in the housing.
  • the supply of supply cables can take place through corresponding wall openings, preferably in the area of the end walls of the fire protection housing.
  • the rectangular cladding cutout from the cladding which is cut out of the hollow ceiling to form the opening, is reinserted into the opening after the fire protection housing has been installed and fastened to the cladding or preferably to the fire protection housing.
  • This cladding cutout can initially be a closed surface element so that the installation opening for the installation of electrotechnical components in the fire protection housing is not yet accessible. A blind arrangement is practically achieved. If this element is then to be used for the installation of electrotechnical components, at least one installation opening can be made from the cladding cutout in a partial area be cut out. Installations can be fed through this installation opening, for example electrical lights or loudspeakers can be built into these installation openings.
  • the cladding cutout can, for example, be connected to the edge of the opening, for example plastered in. It is also possible to attach the cladding cutout to the cladding in a different way. It is preferably provided that the cladding cutout is attached to components of the fire protection housing, so that a permanent and durable arrangement is achieved.
  • the fire protection housing has a coating or an insert made of intumescent material on the inside, which leaves the installation opening free.
  • a plate made of temperature-resistant material is attached by means of at least one anchor.
  • anchors can also be used for fastening.
  • This plate has such a surface dimension that is at least larger than the installation opening in the cladding cutout.
  • This plate could have a maximum dimension that corresponds to the clear width of the fire protection housing between the components made of intumescent material.
  • this configuration is that, for example, in the event of a fire, if a temperature arises in the fire protection housing due to external influences that causes the intumescent material to increase in volume, the connection to the anchors is released due to this softening and foaming of the material, so that the plate after can fall down towards the installation opening.
  • the resulting opening can be opened by means of the plate are closed at least so far that the foaming intumescent material is not or hardly discharged from the housing.
  • the foaming intumescent material can condense within the housing, so that a temperature insulating path is formed.
  • screws can be used as anchors for fastening by means of which the plate is held on the intumescent material.
  • the insert made of intumescent material and arranged in the fire protection housing is designed similar to the shape of the fire protection housing, an air gap being formed between the side walls and the bottom wall of these parts.
  • an air gap is formed between the wall of the fire protection housing and the insert made of intumescent material, which has an insulating effect and is therefore conducive to the fire protection purpose.
  • flange parts are formed or molded, which protrude into the opening of the cladding, the cladding cutout inserted into the opening with Fastening means that reach through this, is detachably or non-detachably fastened to the flange parts, and / or that on the mouth edge of the fire protection housing transversely outwardly or inwardly protruding flange parts are formed or formed, which rest on the rear side of the cladding next to the opening and which by means of the cladding penetrating fasteners are attached to the planking.
  • This configuration ensures that the fastening means for fastening the fire protection housing to the cladding and the means for fastening the cladding cutout in the opening of the cladding are achieved by components that are formed on the fire protection housing itself.
  • the fire protection housing which is preferably made of sheet metal, flanges or Flange parts are formed and angled at right angles, which protrude transversely into the opening of the planking, so that the planking cutout subsequently reinserted into the opening can be placed against these flange parts in order to achieve the desired positioning and then with fastening means that reach through the planking cutout and into the Flange parts are screwed in or fastened to them in some other way, a detachable or non-detachable fastening takes place.
  • the flange parts can have several perforations into which fastening means can be screwed at different points.
  • the same is provided with regard to the flange parts protruding transversely outward or also inwardly protruding flange parts at the mouth edge of the fire protection housing.
  • These flange parts can be angled outwards and then rest on the back of the cladding or they can also be angled inwards so that they are positioned in the edge area between the edge of the side walls of the fire protection box and the opening in the cladding.
  • These are in turn by screws or the like, which can be screwed through the cladding from the front of the cladding and can be screwed into the flange parts, can be fixed.
  • the drawing shows a planking 1 which forms the underside of a hollow ceiling and consists of two layers of plasterboard. Furthermore, a fire protection housing 2 positioned in the installation position behind the paneling 1 is shown, which is used for electrotechnical installations.
  • the cladding 1 is provided with an opening 3 in the area of the arrangement of the fire protection housing 2, which in particular is shown in FIG Figure 2 is clearly visible. This opening 3 is rectangular with a length L and a width B.
  • the fire protection housing 2 is dimensionally stable and consists for example of a one-piece sheet metal housing, which is easy to manufacture and can be formed from a one-piece sheet metal blank.
  • This fire protection housing 2 forms a cuboid shape with a length LB, a width BB and a height HB.
  • the fire protection housing 2 has a Installation opening 5.
  • the width BB of the fire protection housing 2 is at most equal to the length L of the opening 3 or shorter than this length L.
  • the height HB of the fire protection housing 2 is equal to the width B of the opening 3 or shorter than this width B.
  • the length LB of the fire protection housing 2 is greater than the length L of the opening 3.
  • the width BB of the fire protection housing 2 is larger than the width B of the opening 3.
  • the assembly of the fire protection housing 2 can take place from the underside of the cladding 1 by pushing the fire protection housing 2 through the opening 3 of the cladding 1, in such an orientation that the fire protection housing 2 with its narrow end face through the Installation opening 3 of the cladding 1 is inserted from below and moved upwards.
  • the fire protection housing 2 can then be rotated about its longitudinal axis, so that the installation target position is achieved, which is shown in FIG Figure 1 and 2 is shown.
  • the installation opening 3 is complete covered by the fire protection housing 2 so that all four boundary edges of the installation opening 3 lie within the housing components surrounded by the fire protection housing 2.
  • the fire protection housing 2 is equipped on the inside with an insert 6 made of intumescent material which leaves the installation opening 5 free. Otherwise, this insert is essentially adapted to the shape and dimensions of the fire protection housing 2.
  • the rectangular cladding cutout 7 of the cladding 1 cut out of the cladding 1 to form the opening 3 in the cladding 1 forms a closed surface element, wherein in the exemplary embodiment a portion of this cladding cutout 7 is an installation opening 8 for the installation of electrical components, for example a light or a loudspeaker, having.
  • a plate 10 made of temperature-resistant material by means of anchors is located in the interior of the fire protection housing 2, namely on its bottom 9 at the area of the intumescent coating located there or the area of the insert 6 made of intumescent material there 11 is held.
  • This plate 10 has a surface extension that is larger than the installation opening 8 in the cladding cutout 7.
  • the plate 10 is preferably somewhat smaller than the bottom surface of the insert 6.
  • This configuration serves to ensure that in the event of a fire, i.e. when a high temperature is present in the fire protection housing 2, which causes the intumescent material to foam, the connection between the anchors 11 and the intumescent material, for example of the insert 6, is broken. In this case, the plate 10 falls under the action of gravity downward in the direction of the installation opening 8. If a fire load is present from below and possibly the device built into the installation opening 8 z. B. a lamp or a loudspeaker, burns or falls out of the housing, the opening released by the plate 10 can be closed again at least so far that the foaming material is not or hardly discharged from the housing.
  • the intumescent material can instead be in the Compress fire protection housing 2 and form a temperature insulating section.
  • the insert 6 made of intumescent material and arranged in the fire protection housing 2 has a shape similar to the shape of the fire protection housing 2, for example in FIG Figure 1 can be seen.
  • An air gap 12 is formed between the side walls of the insert 6 and the fire protection housing 2 and between its bottom wall and the bottom wall of the insert 6, so that an air insulation path is formed here.
  • transversely protruding flange parts 13 which protrude into the opening 3 of the cladding 1 is provided on the mouth edge of the fire protection housing 2, which forms the base area 4 resting on the rear of the cladding 1.
  • the cladding cutout 7 inserted into the opening 3 is fastened detachably or non-detachably to the flange parts 13 with fastening means, for example screws, which pass through it.
  • the flange parts 13 have several Perforations or the like, which can be used for the use of fasteners, in particular screws.
  • the arrangement of flange parts 14 is also provided on the edge of the mouth, protruding transversely outward, which rest against the rear side of the cladding 1 next to the opening 3.
  • the panel 1 can thus provide the arrangement of fastening means, in particular screws, which pass through the panel 1 and engage in perforations in the flange parts 14, so that the fire protection housing 2 is fastened to the panel 1.
  • additional fastening holes are arranged in the area of the base 4 between the flanges 13, which are used for the use of screw fastening means or the like that are guided through the paneling 1 and by means of which the fire protection housing 2 is attached to the Planking can be fastened.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Casings For Electric Apparatus (AREA)
  • Building Environments (AREA)
  • Fire Alarms (AREA)

Claims (5)

  1. Plafond creux avec une couverture (1) réalisant le côté inférieur du plafond creux et avec un boîtier anti-feu (2) pour des installations électriques positionnées derrière la couverture (1), dans lequel la couverture (1) comprend, dans la région de l'arrangement du boîtier anti-feu (2), une ouverture (3), l'ouverture (3) étant rectangulaire avec une longueur L et une largeur B, dans lequel le boîtier anti-feu (2) est dimensionnellement stable, consiste en un boîtier de tôle monobloc et a une forme de parallélépipède avec une longueur LB, une largeur BB et une hauteur HB, la base (4) duquel, dans la position de montage de consigne, est en appui sur l'arrière de la couverture (1) et comprend une ouverture d'installation (5), et la largeur BB du boîtier anti-feu (2) étant inférieure à la longueur L de l'ouverture (3), et l'hauteur HB du boîtier anti-feu (2) étant inférieure à la largeur B de l'ouverture (3), et la longueur LB du boîtier anti-feu (2) étant supérieure à la longueur L de l'ouverture (3), et la largeur BB du boîtier anti-feu (2) étant supérieure à la largeur B de l'ouverture (3), et dans lequel la section de couverture (7) rectangulaire découpée de la couverture (1) pour réaliser l'ouverture (3) dans la couverture (1) est insérée dans l'ouverture (3) et dans cette position est fixée à la couverture (1) ou bien au boîtier anti-feu (2), la section de couverture (7) réalisant un élément de surface fermé, ou une partie comprenant au moins une ouverture d'installation (8) pour l'installation de composants électriques.
  2. Plafond creux avec boîtier anti-feu selon la revendication 1, caractérisé en ce que le boîtier anti-feu (2) comprend, à son intérieur, une couche ou un insert (6) en un matériau intumescent qui laisse ouverte l'ouverture d'installation (5).
  3. Plafond creux avec boîtier anti-feu selon la revendication 1, caractérisé en ce que dans la région du boîtier anti-feu (2) qui est arrangée en vis-à-vis de la base (4) étant en appui sur la couverture (1) et réalisant le fond (9) du boîtier anti-feu (2), à la couche intumescente intérieure qui s'y trouve, ou dans la région de l'insert (6) en un matériau intumescent qui s'y trouve, une plaque (10) en un matériau résistant aux températures est fixée au moyen d'au moins une ancre (11) qui présente une aire supérieure à l'ouverture d'installation (8) dans la section de couverture (7).
  4. Plafond creux avec boîtier anti-feu selon la revendication 2 ou 3, caractérisé en ce que l'insert (6) en un matériau intumescent arrangé dans le boîtier anti-feu (2) a une forme similaire à celle du boîtier anti-feu (2), entre les parois latérales et la paroi de fond de ces parties, un entrefer (12) étant réalisé.
  5. Plafond creux avec boîtier anti-feu selon la revendication 1 à 4, caractérisé en ce qu'au bord d'embouchure du boîtier anti-feu (2) qui forme la base (4) étant en appui sur l'arrière de la couverture (1) ou est une partie de celle-ci, des parties de bride (13) sont réalisées ou sont conformées qui font saillie dans l'ouverture (3) de la couverture (1), la section de couverture (7) insérée dans l'ouverture (3) étant fixée de manière amovible ou non amovible avec des moyens de fixation traversant cette section de couverture (7), aux parties de bride (13), et/ou qu'au bord d'embouchure du boîtier anti-feu (2), des parties de bride (14) faisant saillie transversalement vers l'extérieur ou l'intérieur sont formées ou conformées qui sont en appui sur l'arrière de la couverture (1) à côté de l'ouverture (3) et sont fixées à la couverture (1) au moyen de moyens de fixation traversant la couverture (1).
EP15196518.3A 2014-12-04 2015-11-26 Plafond creux comprenant un boitier pare-feu Active EP3029212B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202014105845.1U DE202014105845U1 (de) 2014-12-04 2014-12-04 Hohldecke mit Brandschutzgehäuse sowie Brandschutzgehäuse

Publications (3)

Publication Number Publication Date
EP3029212A2 EP3029212A2 (fr) 2016-06-08
EP3029212A3 EP3029212A3 (fr) 2016-08-17
EP3029212B1 true EP3029212B1 (fr) 2021-01-27

Family

ID=54783356

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15196518.3A Active EP3029212B1 (fr) 2014-12-04 2015-11-26 Plafond creux comprenant un boitier pare-feu

Country Status (2)

Country Link
EP (1) EP3029212B1 (fr)
DE (1) DE202014105845U1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT15488U1 (de) * 2016-10-06 2017-10-15 Dipl Ing Georg Bechter Befestigungsvorrichtung zum Befestigen einer Beleuchtungseinrichtung

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2237867B (en) 1989-11-10 1992-09-02 Rotaflex Ltd Light fittings
DE4338841C2 (de) 1993-11-13 1999-08-05 Axel Dickmann Leuchte
DE9318416U1 (de) * 1993-12-02 1994-03-17 Promat Gmbh Unterdecke für Brandschutzzwecke
DE19937617C2 (de) 1999-08-10 2001-09-20 Industrievertretungen Reiner B Abdeckgehäuse für eine Einbauleuchte
DE10223904A1 (de) * 2002-05-29 2003-12-11 Kaiser Gmbh & Co Kg Unterdecke für Brandschutzzwecke
AU2002950939A0 (en) 2002-08-22 2002-09-12 Ian Thomas Craig Downlight protector housing
DE20217028U1 (de) 2002-11-01 2003-04-10 Werkzeugbau Kroeger Gmbh Abstandselement für eine Lichtquelle, insbesondere für eine Halogenlampe
DE102004007453B4 (de) * 2004-02-13 2015-12-03 Kaiser Gmbh & Co. Kommanditgesellschaft Formteil
US20080010907A1 (en) * 2006-05-03 2008-01-17 Moench John P Recessed ceiling fixture enclosure
US7670033B2 (en) * 2007-01-11 2010-03-02 Tenmat Ltd. Fire stop for light fixture
DE202007012107U1 (de) 2007-08-29 2007-11-29 Elprothom Gmbh & Co. Kg I.G. Abstandshalter für den Einbau in einer Leichtbauplatte

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP3029212A2 (fr) 2016-06-08
DE202014105845U1 (de) 2016-03-07
EP3029212A3 (fr) 2016-08-17

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