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EP2835153A2 - Dispositif de protection contre la fumée ou l'incendie - Google Patents

Dispositif de protection contre la fumée ou l'incendie Download PDF

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Publication number
EP2835153A2
EP2835153A2 EP14002433.2A EP14002433A EP2835153A2 EP 2835153 A2 EP2835153 A2 EP 2835153A2 EP 14002433 A EP14002433 A EP 14002433A EP 2835153 A2 EP2835153 A2 EP 2835153A2
Authority
EP
European Patent Office
Prior art keywords
fire protection
smoke
sliding element
textile
seam
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.)
Granted
Application number
EP14002433.2A
Other languages
German (de)
English (en)
Other versions
EP2835153A3 (fr
EP2835153B1 (fr
Inventor
Frank Krüger
Stefan Siller
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.)
Stoebich Brandschutz GmbH
Original Assignee
Stoebich Brandschutz GmbH
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 Stoebich Brandschutz GmbH filed Critical Stoebich Brandschutz GmbH
Publication of EP2835153A2 publication Critical patent/EP2835153A2/fr
Publication of EP2835153A3 publication Critical patent/EP2835153A3/fr
Application granted granted Critical
Publication of EP2835153B1 publication Critical patent/EP2835153B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C2/00—Fire prevention or containment
    • A62C2/06—Physical fire-barriers
    • A62C2/10—Fire-proof curtains
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
    • E06B9/08—Roll-type closures
    • E06B9/11—Roller shutters
    • E06B9/13—Roller shutters with closing members of one piece, e.g. of corrugated sheet metal
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor

Definitions

  • the invention relates to a smoke or fire protection device according to the preamble of claim 1.
  • Smoke or fire protection devices must often be designed so that they do not wear out excessively, even with frequent opening and closing.
  • the winding shaft bends, which leads to tensions in the protective element during unwinding.
  • the rollers are fixed relative to the housing so that they rotate when the winding is rotated and the flexible protective element unwinds or winds up.
  • This has the advantage that the winding is supported in its full longitudinal extent of the rollers, so that the winding shaft must be stored only at their sides and yet to get excessive deflection of the winding shaft, a disadvantage of this solution is the mechanical stress of the fire protection element when winding and unwinding.
  • a fire curtain is known in which the seams are covered with strip-shaped elastic elements. In this way, the friction load of the fire protection element is kept small in the seam area.
  • a disadvantage of such a fire curtain are the stresses occurring in the fire protection fabric, which lead to wear.
  • the invention has for its object to extend the life of smoke or fire protection devices.
  • the sliding element is arranged so that its thickness does not add to the seam thickness of the fire protection element in the seam area, but only to the thickness of the fire protection textile Thickness of the fire protection element outside the seam area.
  • the invention is based on the finding that the flex load of the fire protection element significantly influences its wear.
  • the flex load is highest where wrinkles occur. Due to inevitable manufacturing defects, the fire protection element may have wrinkles. If the fire protection element is constructed of webs sewn together, there are hardly any folds in the seam area, but wrinkles form between the seams since the fire protection element is thicker in the seam area than outside it. The fire protection element therefore lies at least also in the seam area.
  • the seam wears, since the layers of fire protection fabric sewn together slightly move against each other during unwinding and rub against each other. In floating fire protection elements, ie those in which the winding rests on the bearing assembly, therefore, the seams are made particularly stable.
  • the flexible sliding element increases the thickness of the material to be wound, because the sliding element thickness of the sliding element adds to the protective element thickness of the protective element without the sliding element and outside the seam area. So be Wrinkles between the seams avoided.
  • the fire protection element can very often be returned from the protection arrangement to the bearing arrangement without being worn.
  • the smoke or fire protection device according to the invention usually reaches 10,000 or more closing cycles.
  • the advantage of the smoke or fire protection device according to the invention is therefore the high wear resistance with frequent opening and closing. This makes them interesting, for example, for stages, such as theaters or opera stages, because a test run has to be performed there before every performance.
  • Another advantage is that the increased life is achieved with technically simple means. So existing smoke or fire curtains can be easily retrofitted, if an increased fatigue strength is required.
  • the smoke or fire protection device has a winding shaft on which the fire protection element is wound in its bearing arrangement, so that the winding results.
  • the winding has only one winding core, which may be formed for example by not unwound fire protection element.
  • the winding is at least mounted on rollers which are drivable. Alternatively, the rollers can be driven and the winding shaft be rotatable by means of a winding shaft motor.
  • a winding shaft is present, it is favorable if the winding and unwinding of the fire protection element from the winding shaft by driving the winding shaft by means of a winding shaft motor.
  • the fire protection element is understood to mean a planar element which is fire-retardant.
  • the fire-protection textile may comprise, for example, a knitted fabric, a woven fabric and / or a scrim. It is also possible that the fire protection element next to the textile has other components, such as endothermic active material that reacts physically or chemically when exposed to heat while absorbing heat.
  • the fire protection element may also contain stiffening elements, such as stiffening slats.
  • the smoke or fire protection device is a fire protection curtain, a smoke skirt or a conveyor system termination.
  • a smoke damper is not usually arranged in front of an opening, but is very suitable for closing an opening.
  • the device Under the recording, the device is understood, which receives the weight of the coil to initiate them, for example, in a building. In other words, the recording brings the bearing force on the fire protection element, so that this is held in place.
  • the receptacle may for example have rollers, so that the fire protection element on the rollers which are rotatably mounted, runs when it is brought from the bearing assembly in the protective arrangement or vice versa. It is possible, but not necessary, that all or part of these roles are drivable.
  • the receptacle may also include a belt bearing, so that the winding is mounted on a, possibly driven by a motor belt.
  • the sliding element Under the sliding element is understood an element that on the fire protection element at least to a certain extent can slip off. It is possible that the sliding element is attached only at one or at two of its ends relative to the fire protection element. However, it is conceivable that the sliding element is attached so loosely to the fire protection element, that it is still displaced to the fire protection element.
  • the sliding element can be fastened by means of a tacking seam on the fire protection element.
  • a stitching seam is understood here to be a seam which roughly fixes the sliding element to the fire protection element, but allows both elements to be displaced relative to one another.
  • the sliding element is a polytetrafluoroethylene-containing fire protection textile.
  • a sliding element is flexible, stable and has good sliding properties.
  • the fire protection textile is constructed of threads that consist partially or completely of polytetrafluoroethylene.
  • polytetrafluoroethylene-containing and polytetrafluoroethylene-free threads together form a woven or knitted fabric, in particular a knitted fabric.
  • the fire protection textile of the sliding element has threads which have a core of glass or metal and are coated, surrounded or encased with polytetrafluoroethylene.
  • the element When winding up the fire protection element and sliding element, the element must cover a larger distance, which is outside during winding.
  • the sliding member is slidably mounted or arranged relative to the fire protection element, that this path difference can be compensated and that between the fire protection element and sliding element during winding and unwinding no shear forces are transmitted, which would lead to wrinkles. This prevents wrinkles in the fire protection element and / or the sliding element, which increases the life.
  • the flexible sliding element is arranged so that a bearing force which exerts the receptacle on the fire protection element is transmitted via the sliding element to the fire protection element, in particular the fire protection textile.
  • the sliding element lies directly on the receptacle, whereas the fire protection element at least predominantly rests on the sliding element.
  • the fire protection element does not come into contact with the receptacle, because the sliding element is arranged in the region of the receptacle between the fire protection element and the receptacle. It could be said in this case that the sliding element is wound outside. However, it is also conceivable in principle that the sliding element is wound inside. In this case, the sliding element mainly serves as a spacer, which increases the distance between individual winding layers of the fire protection element in order to avoid wrinkles.
  • an advantage of an externally wound sliding element is that the frictional wear of the fire protection element is reduced.
  • the receptacle is a roller receptacle having at least one roller, wherein the sliding element is arranged so that it runs on the at least one roller.
  • the fire protection element is protected against direct contact with the recording, which minimizes wear.
  • rollers It is convenient, but not necessary, for one, two or more reel seats to be present. It is also possible, but not necessary, that at least one, in particular the majority, of the rollers is connected to an engine of existing roller mountings, so that the rollers can be driven by means of the motor or the motors.
  • the receptacle comprises a trough in which the reel is stored in a floating manner.
  • the winding rests with its lateral surface on the trough surface.
  • the sliding element causes the winding at the height along the winding on which the sliding element is arranged to have at least the same thickness as at the height of the seam.
  • the sliding element lies between the tub and the fire protection element.
  • the smoke or fire protection device may comprise a winding shaft motor, which is designed for automatically driving a winding shaft, so that a torque applied via the winding shaft, the fire protection element can be wound up and unwound.
  • the slider When the slider is arranged to wrap around the outside, it has to travel a larger distance when winding than the internal fire-protection element. It is therefore also in the field of recording to a small relative movement between the sliding element and the fire protection element. It is advantageous if the rollers are driven, since such a drive facilitates the relative movement.
  • the seam extends at least substantially perpendicular to the winding shaft. This is understood in particular to mean that it is possible, but not necessary, for the seam to run vertically in a strictly mathematical sense. Deviations of, for example, 10 ° are possible and harmless.
  • the slider has a slider width that is less than a seam distance between two adjacent seams.
  • the slider width is less than a quarter of the seam spacing. It is possible, but not necessary, for multiple sutures to be present. If there are several seams, it is advantageous, although not necessary, that they are arranged equidistantly.
  • the seam distance in the presence of multiple seams refers to the distance between the seams arranged adjacent to the respective slider.
  • the sliding element is made, at least on its side facing the fire protection element, from a material which has a static friction coefficient of at most 0.3 and / or a sliding friction coefficient of at most 0.15 relative to the fire protection element. This allows a low power transmission to the fire protection element during winding and unwinding.
  • the sliding element comprises polytetrafluoroethylene at least on its side facing the fire protection element.
  • Polytetrafluoroethylene which is marketed under the Teflon brand, is nonflammable and has a low coefficient of adhesion and friction with most materials.
  • the sliding element has a film of polytetrafluoroethylene and / or a textile structure of polytetrafluoroethylene.
  • Polytetrafluoroethylene has a relatively high flexural strength, so that thick objects are usually less flexible.
  • the sliding element comprises a fiber material and / or a fiber-reinforced material, for example a glass fiber-reinforced plastic or a glass fiber fabric. Glass fibers have a high tensile strength and are also incombustible. It is particularly favorable if the sliding element has a glass fiber textile coated with polytetrafluoroethylene.
  • the slider has, for example, aramid fibers, it is disadvantageous that they can melt in case of fire, which is undesirable.
  • the sliding element has a sliding element thickness and a sum of sliding element thickness and a fire protection textile thickness of the fire protection textile beyond a seam corresponds at least to a seam thickness of the fire protection textile in the region of the seam.
  • the sliding element thickness is so large that the winding in the region of the seam has no larger diameter than in the region in which the sliding element is arranged. In this way it is ensured that in the region in which the sliding element is arranged, no wrinkles can form, so that the wear is low.
  • the sliding element is strip-shaped, that is to say that it is at least five times as long as it is wide in the direction in which it extends along a seam, that is to say perpendicular to this direction of extent. This reduces manufacturing costs and reduces the weight of the smoke or fire protection device.
  • the smoke or fire protection device has a skirting board, which rests, for example, on the ground when the fire protection element is in its protective arrangement.
  • the sliding element is resiliently connected to the baseboard.
  • a biasing device is disposed between the slider and the baseboard. When unwinding, the slider is held taut by the pretensioner.
  • FIG. 1 shows a smoke or fire protection device 10 for closing a schematically drawn opening 12 in a building 14.
  • the smoke or fire protection device 10 comprises a fire protection element 16, which comprises a first textile web 18, a second textile web 20 and a third textile web 22. Two adjacent textile webs are sewn together. Thus, the first textile web 18 is connected to the second textile web 20 in a first seam 24, the second textile web 20 to the third textile web 22 in a second seam 26.
  • FIG. 1 the fire protection element 16 is shown in its protective arrangement, in which the opening 12 is closed.
  • the smoke or fire protection device 10 in the present case has a winding shaft 28, which is rotatably motorized by means of a schematically drawn winding shaft motor 30 which is arranged in the winding shaft 28.
  • FIG. 1 also shows schematically a receptacle 32 having a first roller 34.1 and a second roller 34.2.
  • the rollers 34.1, 34.2 are rotatably mounted and have a bearing surface A.
  • the bearing surface A is that surface of the rollers 34.1, 34.2, in which they have contact with the fire protection element 16 or as in the present case with a flexible sliding element 36.
  • the sliding member 36 may, as shown in the small drawing top right, comprise a strip 38 of glass fiber fabric and a sheath 40 of polytetrafluoroethylene.
  • the sliding element 36 is arranged between the second seam 26 and the closest, in the present case left, second edge 42 of the fire protection element 16 and rests on this.
  • the smoke or fire protection device 10 also includes a second sliding member 44 disposed between the first seam 24 and the second seam 26, and a third sliding member 46 disposed between the first seam 24 and the closest, in this case right, first edge 48 of the fire protection element 16 is arranged.
  • the sliding elements 36, 44, 46 are arranged with respect to a position along the coil at the same height x as the rollers on which run the sliding elements.
  • the second sliding element 44 runs on the rollers 34.3 and 34.4, the third sliding element 46 on the rollers 34.5 and 34.6.
  • the smoke or fire protection device has in its foot a foot strip 50 to which the fire protection element 16 is attached.
  • the sliding elements 36, 44, 46 are resiliently connected to the baseboard 50.
  • the sliding elements 36, 44,46 by means of spring elements 52.1, 52.2, 52.3 attached to the baseboard 50.
  • the spring elements may for example be formed from thin rubber bands.
  • the spring elements may also comprise metal springs, for example coil springs.
  • FIG. 2 shows that the sliding member 36 is arranged on the outside of the fire protection element 16 winding.
  • the sliding element 36 rests on the rollers 34.1, 34.2.
  • the fire protection element 16 does not come or only in slight contact with the rollers 34.1, 34.2.
  • the rollers 34.1, 34.2 exert a bearing force F on the fire protection element via the sliding element 36.
  • FIG. 3 schematically shows a cross section through a wound fire protection element 16, which forms a winding 54.
  • the sliding element 36 between the support surface A of the roller 34 and the fire protection element 16 is arranged.
  • a sliding element thickness D G is selected such that it has, together with a fire protection textile thickness D B, at least one seam thickness D N of the fire protection element 16 in the region of the seam 26.
  • the throat thickness could also be called seam area thickness.
  • the diameter of the roll D which depends on a position x along a longitudinal extent L, which depends on the longitudinal axis of the roll 54 and in this case also of the winding shaft 28, is therefore at least as large in the region of the sliding element 36 as in the region of the seam 26 There is therefore no fold effect in the area of the sliding element.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
EP14002433.2A 2013-07-16 2014-07-15 Dispositif de protection contre la fumée ou l'incendie Active EP2835153B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102013213932.2A DE102013213932A1 (de) 2013-07-16 2013-07-16 Rauch- oder Brandschutzvorrichtung

Publications (3)

Publication Number Publication Date
EP2835153A2 true EP2835153A2 (fr) 2015-02-11
EP2835153A3 EP2835153A3 (fr) 2015-08-05
EP2835153B1 EP2835153B1 (fr) 2018-08-08

Family

ID=51210950

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14002433.2A Active EP2835153B1 (fr) 2013-07-16 2014-07-15 Dispositif de protection contre la fumée ou l'incendie

Country Status (2)

Country Link
EP (1) EP2835153B1 (fr)
DE (1) DE102013213932A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017104502A1 (de) * 2017-03-03 2018-09-06 Franz Oberleitner Folien-Tor

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19610532A1 (de) 1995-03-22 1996-11-14 Rasontec N V By Rabobank Trust Vorhang sowie Abschluß- und Führungsleiste hierfür
WO2007060777A1 (fr) 2005-11-22 2007-05-31 Bunka Shutter Co., Ltd. Dispositif d’ouverture/fermeture
DE102012000116A1 (de) 2012-01-05 2013-07-11 BSM Brandschutz-Manufaktur Deutschland GmbH Rauch-oder Brandschutzvorrichtung

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4459386B2 (ja) * 2000-05-31 2010-04-28 文化シヤッター株式会社 シャッター装置の巻取軸支持構造
JP4987293B2 (ja) * 2005-12-22 2012-07-25 文化シヤッター株式会社 開閉装置
JP4890852B2 (ja) * 2005-12-22 2012-03-07 文化シヤッター株式会社 開閉装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19610532A1 (de) 1995-03-22 1996-11-14 Rasontec N V By Rabobank Trust Vorhang sowie Abschluß- und Führungsleiste hierfür
WO2007060777A1 (fr) 2005-11-22 2007-05-31 Bunka Shutter Co., Ltd. Dispositif d’ouverture/fermeture
DE102012000116A1 (de) 2012-01-05 2013-07-11 BSM Brandschutz-Manufaktur Deutschland GmbH Rauch-oder Brandschutzvorrichtung

Also Published As

Publication number Publication date
DE102013213932A1 (de) 2015-01-22
EP2835153A3 (fr) 2015-08-05
EP2835153B1 (fr) 2018-08-08

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