EP2529797B1 - Device for triggering a fire extinguishing system by means of a sprinkler - Google Patents

Device for triggering a fire extinguishing system by means of a sprinkler Download PDF

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Publication number
EP2529797B1
EP2529797B1 EP12169184.4A EP12169184A EP2529797B1 EP 2529797 B1 EP2529797 B1 EP 2529797B1 EP 12169184 A EP12169184 A EP 12169184A EP 2529797 B1 EP2529797 B1 EP 2529797B1
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EP
European Patent Office
Prior art keywords
sprinkler
toggle joint
arm
sealing element
acts
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EP12169184.4A
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German (de)
French (fr)
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EP2529797A2 (en
EP2529797A3 (en
Inventor
Dipl.-Ing. Henning Fraederich
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Minimax GmbH and Co KG
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Minimax GmbH and Co KG
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Priority to PL12169184T priority Critical patent/PL2529797T3/en
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Publication of EP2529797A3 publication Critical patent/EP2529797A3/en
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    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C37/00—Control of fire-fighting equipment
    • A62C37/36—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device
    • A62C37/38—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone
    • A62C37/42—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone with mechanical connection between sensor and actuator, e.g. rods, levers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S169/00—Fire extinguishers
    • Y10S169/03—Trip mechanisms

Definitions

  • the invention relates to a device according to the preamble of the first claim.
  • the device according to the invention is applicable wherever sprinkler systems, in particular sprinkler drying systems, are present. This is the case in frost-prone areas or in areas with very high temperatures.
  • Pipe nets of sprinkler drying plants are filled with compressed air or inert gas. Only after opening a sprinkler does water get into the pipe network.
  • Hanging sprinklers in particular for frost-prone areas of a sprinkler system, are for example out DE 28 26 141 A1 known. So that water can escape from the open sprinkler even at low temperatures, fillers such as granules, liquid, alcohol or brine can be added to the pipework upstream of the sprinkler, thus ensuring that the extinguishing water can escape without difficulty.
  • fillers such as granules, liquid, alcohol or brine can be added to the pipework upstream of the sprinkler, thus ensuring that the extinguishing water can escape without difficulty.
  • a solution is described in which a jarred granulate is arranged in the downpipe of the sprinkler, which is discharged with the extinguishing water after triggering of the sprinkler.
  • DE 10 2005 043 213 B4 describes a sprinkler system for frost-prone or cooled areas in which extinguishing water and antifreeze are in the lines to the sprinkler, with antifreeze is located in the lower part of the downpipe before the sprinkler in the frost-prone area.
  • dry sprinklers whose supply lines are empty and depressurized.
  • the seal at the water connection is made mechanically via a rod or a pipe directly through the opposite, at a certain temperature bursting glass ampoule.
  • the mechanical dry sprinklers are preferred in practice, since there is no risk of unnoticed entry of water, which could cause the dry sprinkler to fail at low temperatures.
  • Dry alarm valves serve a sprinkler piping network to establish a separation of the low air / gas pressure of the pipe network against the high pressure of the water supply and after falling pressure in the sprinkler pipe network after Open a sprinkler via a lever mechanism to release the flap to the water supply, so that the extinguishing water can flow to the sprinklers.
  • a lever mechanism is also known for triggering a sprinkler. So is in CH 662 281 A5 a sprinkler described in which a lever assembly serves as a trigger mechanism for a sprinkler.
  • US 2010/0038099 A1 describes and shows a device for triggering a fire extinguishing system by a sprinkler, wherein the device between the conduit for the extinguishing agent and the sprinkler is arranged.
  • the device consists of a multi-arm joint, which deflects a force over the axis of a disc.
  • the joint described and illustrated is not a toggle joint because the effects of a bellcrank (translation of a force or a path) are not met by this device, but the movement or force is directed through the device only in a different direction ,
  • SU 1 025 435 A Although shows a toggle joint, which is arranged between a sprinkler and the associated spray plate, however, this toggle joint is not a toggle joint, which is arranged between a sprinkler and a pipe for the extinguishing agent.
  • US 1,397,704 A discloses a sprinkler system with a water-bearing pipe sealed via a sealing valve to the sprinkler system.
  • the sealing valve is held by a controlled by a control valve two-armed toggle joint in its sealing position on the pipe.
  • the control valve is acted upon via a coupled to the sprinkler system pressure line with a fluid pressure and while this is maintained maintained in the closed position. If the pressure drops due to a triggered sprinkler in the sprinkler system and thus in the pressure line, the force on the control valve is no longer sufficient to counteract the water pressure at the sealing valve.
  • the solution according to the invention provides a device for triggering a fire extinguishing system by means of a sprinkler, which is arranged between the conduit for the extinguishing agent and the sprinkler on the sprinkler or a downpipe connected to the sprinkler.
  • a multi-arm toggle joint which is disposed between the load axis of a trigger element of the sprinkler and a sealing element and an angle between 100 and 80 degrees, preferably at approximately right angles.
  • the load axis of the trigger element corresponds approximately to the axis of symmetry of the vertically suspended sprinkler.
  • the joints are designed as a point-like connection, each acting centrally against their support points.
  • the sealing element seals the pipeline for the extinguishing agent gas-tight. It is a valve disc against which the multi-arm toggle joint acts.
  • a multi-armed toggle joint is understood to mean a multi-arm joint with which a force or a travel is translated, that is to say that a change in the acting force or of the travel is achieved via the toggle joint.
  • amplification or reduction of the acting force or a shortening or lengthening of the way over the toggle joint can be achieved.
  • an adjusting device with respect to the sealing element or the valve disk. That can be an adjusting screw on the opposite
  • the toggle joint can be a multi-armed as a two- or four-armed toggle joint.
  • the four-armed toggle joint consists of four articulated arms and four joints. The articulated arms and the articulated joints are arranged opposite each other, so that the toggle joint forms a kind of parallelogram.
  • hinge-like joints or a combination of hinge-like and / or punctiform joint connections are also conceivable.
  • the hinge connections can be arranged horizontally or vertically on the supports or support surfaces.
  • the articulated arms may be rods or tubes made of steel, plastic or light metal.
  • joint connections which act on the closure of the sprinkler and on the housing
  • joint connections which act on the sealing element or the valve disk and the adjusting device or the housing wall.
  • connection adapter on the pipeline for the extinguishing agent.
  • the solution according to the invention has the advantage that dry sprinklers whose ampoules can absorb only small mechanical forces can also be arranged for use on pipelines, which have large inlet cross sections, large volume flows and high pressures, since the forces occurring from the pipeline only partially must be taken by the sprinkler ampule. Furthermore, it is advantageous that the sealing force of the sealing element can be adjusted by means of an actuator.
  • FIG. 1 shows the device for triggering a fire extinguishing system to a connection adapter 3, to which the T-shaped housing 1 is screwed.
  • the housing 1 with the valve seat 9 on the connection adapter 3 is closed by the valve plate 8, against which the toggle joint 6 acts.
  • the toggle joint 6 consists of four 10 opposing articulated arms 6.1 with joints 6.2, which interact in the form of a parallelogram.
  • the articulated joints 6.2 act against the respective contact points 11, 12, 13, 14, 15, which are arranged on the housing 1, the disk 10, the valve disk 8 and the closure 17 on the sprinkler 5.
  • the sprinkler 5 has as a triggering element to an ampoule 16, which bursts upon reaching a certain temperature 15 by expanding the liquid therein and releases the valve disc 8 by opening the shutter 17, so that the extinguishing agent can flow out.
  • the load axis 19 of the ampoule 16 and the horizontal center line of the housing 1 have an angle of approximately 90 degrees to each other.
  • FIG. 2 shows an adjusting device 7, with which the force on the valve disc 8 is adjustable.
  • a further advantageous embodiment is the downpipe 2, in which the support tube 4 is located. Through the support tube 4, the force is transmitted from the support point 15 of the articulated connection 6.2 of the toggle joint 6 on the closure 17 on the sprinkler. Through the support and downpipe 4, 2, a distance between the housing 1 and the sprinkler 5 can be adjusted, which may be necessary when installing an intermediate wall or a distance required for other reasons.
  • a centering ring 18 is arranged between the downpipe 2 and housing 1.

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  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
  • Nozzles (AREA)

Description

Die Erfindung betrifft eine Vorrichtung nach dem Oberbegriff des ersten Patentanspruches.The invention relates to a device according to the preamble of the first claim.

Die erfindungsgemäße Vorrichtung ist überall dort anwendbar, wo Sprinkleranlagen, insbesondere Sprinkler-Trockenanlagen, vorhanden sind. Das ist in frostgefährdeten Bereichen oder in Bereichen mit sehr hohen Temperaturen der Fall.The device according to the invention is applicable wherever sprinkler systems, in particular sprinkler drying systems, are present. This is the case in frost-prone areas or in areas with very high temperatures.

Rohrnetze von Sprinkler-Trockenanlagen sind mit Druckluft oder Inertgas gefüllt. Erst nach Öffnen eines Sprinklers gelangt Wasser in das Rohrnetz.Pipe nets of sprinkler drying plants are filled with compressed air or inert gas. Only after opening a sprinkler does water get into the pipe network.

Hängende Sprinkler, insbesondere für frostgefährdete Bereiche einer Sprinkleranlage, sind beispielsweise aus DE 28 26 141 A1 bekannt. Damit auch bei niedrigen Temperaturen aus dem geöffneten Sprinkler Wasser austreten kann, können Füllstoffe wie Granulat, Flüssigkeit, Alkohol oder Sole vor dem Sprinkler ins Rohrleitungsnetz gegeben werden, um so zu gewährleisten, dass das Löschwasser problemlos austreten kann. Im obengenannten Dokument wird eine Lösung beschrieben, bei der im Fallrohr des Sprinklers ein aufgerütteltes Granulat angeordnet ist, welches mit dem Löschwasser nach Auslösen des Sprinklers ausgetragen wird.Hanging sprinklers, in particular for frost-prone areas of a sprinkler system, are for example out DE 28 26 141 A1 known. So that water can escape from the open sprinkler even at low temperatures, fillers such as granules, liquid, alcohol or brine can be added to the pipework upstream of the sprinkler, thus ensuring that the extinguishing water can escape without difficulty. In the above-mentioned document, a solution is described in which a jarred granulate is arranged in the downpipe of the sprinkler, which is discharged with the extinguishing water after triggering of the sprinkler.

DE 10 2005 043 213 B4 beschreibt eine Sprinkleranlage für frostgefährdete oder gekühlte Bereiche, bei der sich Löschwasser und Frostschutzmittel in den Leitungen zum Sprinkler befinden, wobei Frostschutzmittel im unteren Bereich des Fallrohres vordem Sprinkler im frostgefährdeten Bereich angeordnet ist. DE 10 2005 043 213 B4 describes a sprinkler system for frost-prone or cooled areas in which extinguishing water and antifreeze are in the lines to the sprinkler, with antifreeze is located in the lower part of the downpipe before the sprinkler in the frost-prone area.

Üblich sind auch Trockensprinkler, deren Zuleitungen leer und drucklos sind. Die Abdichtung am Wasseranschluss erfolgt mechanisch über eine Stange oder ein Rohr direkt durch die gegenüberliegende, bei einer bestimmten Temperatur platzende Glasampulle. Die mechanisch arbeitenden Trockensprinkler werden in der Praxis bevorzugt, da hier nicht die Gefahr des unbemerkten Eintritts von Wasser besteht, die den Trockensprinkler bei niedrigen Temperaturen versagen lassen könnten.Also common are dry sprinklers whose supply lines are empty and depressurized. The seal at the water connection is made mechanically via a rod or a pipe directly through the opposite, at a certain temperature bursting glass ampoule. The mechanical dry sprinklers are preferred in practice, since there is no risk of unnoticed entry of water, which could cause the dry sprinkler to fail at low temperatures.

Hebelmechanismen im Zusammenhang mit Feuerlöschanlagen sind grundsätzlich bei Trockenalarmventilen für Sprinklerrohrnetze bekannt und beispielsweise in DE 43 20 443 35 C2 und DE 699 003 64 T2 beschrieben. Trockenalarmventile dienen einem Sprinklerrohrnetz dazu, eine Trennung des geringen Luft-/Gasdrucks des Rohrnetzes gegen den hohen Druck der Wasserversorgung herzustellen und bei fallendem Druck im Sprinklerrohrnetz nach Öffnen eines Sprinklers über einen Hebelmechanismus die Klappe zur Wasserversorgung freizugeben, so dass das Löschwasser zu den Sprinklern fließen kann.Lever mechanisms in connection with fire extinguishing systems are basically known in dry alarm valves for sprinkler piping systems and, for example, in DE 43 20 443 35 C2 and DE 699 003 64 T2 described. Dry alarm valves serve a sprinkler piping network to establish a separation of the low air / gas pressure of the pipe network against the high pressure of the water supply and after falling pressure in the sprinkler pipe network after Open a sprinkler via a lever mechanism to release the flap to the water supply, so that the extinguishing water can flow to the sprinklers.

Ein Hebelmechanismus ist auch zum Auslösen eines Sprinklers bekannt. So ist in CH 662 281 A5 ein Sprinkler beschrieben, bei dem eine Hebelanordnung als Auslösemechanismus für einen Sprinkler dient.A lever mechanism is also known for triggering a sprinkler. So is in CH 662 281 A5 a sprinkler described in which a lever assembly serves as a trigger mechanism for a sprinkler.

Aus US 7,802,628 B1 ist ein Hebelmechanismus am oberen Ende eines Fallrohres bekannt, der bei Auslösen der Sprinklerampulle eine Öffnung im Löschwasserrohr freigibt.Out US Pat. No. 7,802,628 B1 a lever mechanism at the upper end of a downpipe is known, which releases an opening in the extinguishing water pipe when the sprinkler ampoule is triggered.

US 2010/0038099 A1 beschreibt und zeigt eine Vorrichtung zum Auslösen einer Feuerlöschanlage durch einen Sprinkler, wobei die Vorrichtung zwischen der Rohrleitung für das Löschmittel und dem Sprinkler angeordnet ist. Die Vorrichtung besteht aus einem mehrarmigen Gelenk, welches eine Kraft über die Achse einer Scheibe umlenkt. Bei dem beschriebenen und dargestellten Gelenk handelt es sich aber nicht um Kniehebelgelenk, da die Effekte eines Kniehebels (Übersetzung einer Kraft oder eines Weges) durch diese Vorrichtung nicht erfüllt werden, sondern die Bewegung oder die Kraft durch die Vorrichtung lediglich in eine andere Richtung geleitet werden. US 2010/0038099 A1 describes and shows a device for triggering a fire extinguishing system by a sprinkler, wherein the device between the conduit for the extinguishing agent and the sprinkler is arranged. The device consists of a multi-arm joint, which deflects a force over the axis of a disc. However, the joint described and illustrated is not a toggle joint because the effects of a bellcrank (translation of a force or a path) are not met by this device, but the movement or force is directed through the device only in a different direction ,

SU 1 025 435 A zeigt zwar ein Kniehebelgelenk, welches zwischen einem Sprinkler und dem dazugehörigen Sprühteller angeordnet ist, allerdings handelt es sich bei diesem Kniehebelgelenk nicht um ein Kniehebelgelenk, welches zwischen einem Sprinkler und einer Rohrleitung für das Löschmittel angeordnet ist. SU 1 025 435 A Although shows a toggle joint, which is arranged between a sprinkler and the associated spray plate, however, this toggle joint is not a toggle joint, which is arranged between a sprinkler and a pipe for the extinguishing agent.

US 1,397,704 A offenbart hingegen ein Sprinklersystem mit einer über ein Abdichtventil zum Sprinklersystem abgedichteten, wasserführenden Rohrleitung. Das Abdichtventil wird über ein mittels eines Steuerventils angesteuertes zweiarmiges Kniehebelgelenk in seiner Abdichtstellung an der Rohrleitung gehalten. Das Steuerventil wird über eine mit dem Sprinklersystem gekoppelte Druckleitung mit einem Fluiddruck beaufschlagt und solange dieser aufrecht erhalten bleibt in der Geschlossen-Stellung gehalten. Sinkt der Druck, aufgrund eines ausgelösten Sprinklers, im Sprinklersystem und damit in der Druckleitung, reicht die Kraft am Steuerventil nicht mehr aus, um dem Wasserdruck am Abdichtventil entgegenzuwirken. US 1,397,704 A on the other hand discloses a sprinkler system with a water-bearing pipe sealed via a sealing valve to the sprinkler system. The sealing valve is held by a controlled by a control valve two-armed toggle joint in its sealing position on the pipe. The control valve is acted upon via a coupled to the sprinkler system pressure line with a fluid pressure and while this is maintained maintained in the closed position. If the pressure drops due to a triggered sprinkler in the sprinkler system and thus in the pressure line, the force on the control valve is no longer sufficient to counteract the water pressure at the sealing valve.

Sprinklerampullen oder Auslöseelemente weisen bei jüngsten Entwicklungen nur noch einen geringen Durchmesser auf. Die zu verschließenden Öffnungen zu den Rohrleitungen werden zugunsten der gewünschten höheren Durchflussmengen immer größer, was dazu führt, dass Auslöseelemente mit geringem Durchmesser nicht mehr eingesetzt werden können, da sie vor Erreichen ihrer Auslösetemperatur durch den anstehenden Druck in der Rohrleitung bersten könnten.Sprinklerampullen or tripping elements have in recent developments only a small diameter. The openings to be closed to the pipelines are becoming larger in favor of the desired higher flow rates, with the result that tripping elements with a small diameter can no longer be used because they before reaching their release temperature could burst due to the pressure in the pipeline.

Möglichkeiten, einen Trockensprinkler in einem Rohrleitungssystem mit einem großen Eintrittsquerschnitt an einen Sprinkler mit einer Ampulle mit einem geringen Durchmesser einzusetzen, zeigen die genannten Lösungen nicht auf.Possibilities to use a dry sprinkler in a piping system with a large inlet cross-section of a sprinkler with a small diameter ampoule, not show the solutions mentioned.

Es ist daher Aufgabe der Erfindung, eine Vorrichtung zum Auslösen einer Feuerlöschanlage mittels Sprinkler zu entwickeln, mit der die aus dem Druck m der Löschanlage resultierende Kraft, die über der Lastaufnahmefähigkeit des abstützenden wärmeempfindlichen Elementes liegt, so verringert wird, dass die auf das wärmeempfindliche Element wirkende abzustützende Last das wärmeempfindliche Element nicht vorzeitigt auslöst.It is therefore an object of the invention to develop a device for triggering a fire extinguishing system by means of sprinklers, with which the force resulting from the pressure m of the extinguishing system, which is above the load-carrying capacity of the supporting heat-sensitive element, is reduced so that the heat-sensitive element acting load to support the thermally sensitive element does not prematurely triggers.

Diese Aufgabe wird durch eine Vorrichtung nach den Merkmalen des ersten Patentanspruches gelöst.This object is achieved by a device according to the features of the first claim.

Unteransprüche geben vorteilhafte Ausgestaltungen der Erfindung wieder.Subclaims give advantageous embodiments of the invention again.

Die erfindungsgemäße Lösung sieht eine Vorrichtung zum Auslösen einer Feuerlöschanlage durch einen Sprinkler vor, die zwischen der Rohrleitung für das Löschmittel und dem Sprinkler an dem Sprinkler oder einem mit dem Sprinkler verbundenen Fallrohr angeordnet ist. Erfindungsgemäß handelt es sich um ein mehrarmiges Kniehebel-Gelenk, welches zwischen der Belastungsachse eines Auslöseelements des Sprinklers und einem Abdichtelement und einem Winkel zwischen 100 und 80 Grad, vorzugsweise im etwa rechten Winkel angeordnet ist. Die Belastungsachse des Auslöseelements entspricht in etwa der Symmetrieachse des senkrecht hängenden Sprinklers. Die Gelenkverbindungen sind als punktförmige Verbindung ausgeführt, die jeweils mittig gegen ihre Auflagepunkte wirken. Das Abdichtelement verschließt die Rohrleitung für das Löschmittel gasdicht. Es handelt sich dabei um einen Ventilteller, gegen den das mehrarmige Kniehebel-Gelenk wirkt.The solution according to the invention provides a device for triggering a fire extinguishing system by means of a sprinkler, which is arranged between the conduit for the extinguishing agent and the sprinkler on the sprinkler or a downpipe connected to the sprinkler. According to the invention is a multi-arm toggle joint, which is disposed between the load axis of a trigger element of the sprinkler and a sealing element and an angle between 100 and 80 degrees, preferably at approximately right angles. The load axis of the trigger element corresponds approximately to the axis of symmetry of the vertically suspended sprinkler. The joints are designed as a point-like connection, each acting centrally against their support points. The sealing element seals the pipeline for the extinguishing agent gas-tight. It is a valve disc against which the multi-arm toggle joint acts.

Unter einem mehrarmigen Kniehebelgelenk ist ein mehrarmiges Gelenk zu verstehen, mit dem eine Kraft oder ein Weg übersetzt wird, das heißt, dass über das Kniehebelgelenk eine Änderung der wirkenden Kraft oder des Weges erreicht wird. Somit kann ein Verstärken oder ein Reduzieren der wirkenden Kraft bzw. eine Verkürzung oder Verlängerung des Weges über das Kniehebelgelenk erreicht werden.A multi-armed toggle joint is understood to mean a multi-arm joint with which a force or a travel is translated, that is to say that a change in the acting force or of the travel is achieved via the toggle joint. Thus, an amplification or reduction of the acting force or a shortening or lengthening of the way over the toggle joint can be achieved.

Vorteilhaft ist es, gegenüber dem Abdichtelement oder dem Ventilteller eine Einstelleinrichtung anzuordnen. Das kann eine Einstellschraube an der gegenüberliegendenIt is advantageous to arrange an adjusting device with respect to the sealing element or the valve disk. That can be an adjusting screw on the opposite

Stirnwand sein. Andere geeignete Einrichtungen, die den Zweck erfüllen, den Druck auf den Ventilteller einzustellen, sind denkbar.Be front wall. Other suitable devices that fulfill the purpose of adjusting the pressure on the valve disk, are conceivable.

Bei dem Kniehebel-Gelenk kann es sich um ein mehrarmiges wie ein zwei- oder vierarmiges Kniehebel-Gelenk handeln. Das vierarmige Kniehebelgelenk besteht aus vier Gelenkarmen und vier Gelenkverbindungen. Die Gelenkarme und die Gelenkverbindungen sind jeweils gegenüberliegend angeordnet, so dass das Kniehebel-Gelenk eine Art Parallelogramm bildet.The toggle joint can be a multi-armed as a two- or four-armed toggle joint. The four-armed toggle joint consists of four articulated arms and four joints. The articulated arms and the articulated joints are arranged opposite each other, so that the toggle joint forms a kind of parallelogram.

Denkbar sind aber auch scharnierartige Gelenke oder eine Kombination von scharnierartigen und/oder punktförmigen Gelenkverbindungen. Die Scharnierverbindungen können waagerecht oder senkrecht auf den Auflagen oder Auflageflachen angeordnet sein. Bei den Gelenkarmen kann es sich um Stangen oder Rohre aus Stahl, Kunststoff oder Leichtmetall handeln.However, hinge-like joints or a combination of hinge-like and / or punctiform joint connections are also conceivable. The hinge connections can be arranged horizontally or vertically on the supports or support surfaces. The articulated arms may be rods or tubes made of steel, plastic or light metal.

Gegenüber angeordnet sind jeweils die Gelenkverbindungen, die auf den Verschluss des Sprinklers und auf das Gehäuse wirken, und die Gelenkverbindungen, die auf das Abdichtelement oder den Ventilteller und die Einstelleinrichtung oder die Gehäusewand wirken.Opposite are arranged in each case the joint connections, which act on the closure of the sprinkler and on the housing, and the joint connections, which act on the sealing element or the valve disk and the adjusting device or the housing wall.

Vorteilhaft ist es, zwischen Sprinkler und Kniehebel-Gelenk ein Fall- und ein Stützrohr anzuordnen. Das erlaubt, den Sprinkler beispielsweise an einer Seite einer Wand anzuordnen und die Rohrleitung an der anderen Seite einer Wand.It is advantageous to arrange a drop and a support tube between sprinkler and toggle joint. This allows the sprinkler to be placed, for example, on one side of a wall and the pipe on the other side of a wall.

Weiterhin ist es vorteilhaft, das mehrarmige Kniehebel-Gelenk in einem T-förmigen Gehäuse anzuordnen.Furthermore, it is advantageous to arrange the multi-arm toggle joint in a T-shaped housing.

Darüber hinaus wird es als vorteilhaft angesehen, an der Rohrleitung für die Löschmittel einen Anschlussadapter anzuordnen.In addition, it is considered advantageous to arrange a connection adapter on the pipeline for the extinguishing agent.

Die erfindungsgemäße Lösung hat den Vorteil, dass Trockensprinkler, deren Ampullen nur geringe mechanische Kräfte aufnehmen können, auch für den Einsatz an Rohrleitungen angeordnet sein können, die große Eintrittsquerschnitte, große Volumenstrome und hohe Drucke aufweisen, da die auftretenden Kräfte aus der Rohrleitung nur zum Teil von der Sprinklerampulle aufgenommen werden müssen. Weiterhin ist vorteilhaft, dass die Dichtkraft des Abdichtelementes mittels Stellgliedes eingestellt werden kann.The solution according to the invention has the advantage that dry sprinklers whose ampoules can absorb only small mechanical forces can also be arranged for use on pipelines, which have large inlet cross sections, large volume flows and high pressures, since the forces occurring from the pipeline only partially must be taken by the sprinkler ampule. Furthermore, it is advantageous that the sealing force of the sealing element can be adjusted by means of an actuator.

Im Folgenden soll die Erfindung an einem Ausführungsbeispiel und zwei Figuren näher erläutert werden. Die Figuren zeigen:

  • Figur 1: Vorrichtung zum Auslösen einer Feuerlöschanlage, bei der ein Sprinkler direkt in die Vorrichtung eingeschraubt ist, in schematischer Darstellung im Schnitt.
  • Figur 2: Darstellung von Figur 1 mit einem Fallrohr und einem Stutzrohr zwischen Sprinkler und Auslöseeinrichtung. Darstellung von Figur 1 mit einem Fallrohr und einem Stutzrohr zwischen Sprinkler und Auslöseeinrichtung.
In the following, the invention will be explained in more detail using an exemplary embodiment and two figures. The figures show:
  • FIG. 1 : Device for triggering a fire extinguishing system, in which a sprinkler is screwed directly into the device, in a schematic representation in section.
  • FIG. 2 : Display of FIG. 1 with a downpipe and a support tube between the sprinkler and the triggering device. display of FIG. 1 with a downpipe and a support tube between the sprinkler and the triggering device.

Die Figur 1 zeigt die Vorrichtung zum Auslösen einer Feuerlöschanlage an einem Anschlussadapter 3, an den das T-förmige Gehäuse 1 angeschraubt ist. Das Gehäuse 1 mit dem Ventilsitz 9 am Anschlussadapter 3 ist durch den Ventilteller 8 verschlossen, gegen den das Kniehebel-Gelenk 6 wirkt. Das Kniehebel-Gelenk 6 besteht aus vier sich 10 gegenüberliegenden Gelenkarmen 6.1 mit Gelenkverbindungen 6.2, die in Form eines Parallelogramms Zusammenwirken. Die Gelenkverbindungen 6.2 wirken gegen die jeweiligen Auflagepunkte 11, 12, 13, 14, 15, die am Gehäuse 1, der Scheibe 10, dem Ventilteller 8 und dem Verschluss 17 am Sprinkler 5 angeordnet sind. Der Sprinkler 5 weist als Auslöseelement eine Ampulle 16 auf, die bei Erreichen einer bestimmten Temperatur 15 durch Ausdehnen der darin befindlichen Flüssigkeit zerplatzt und durch Öffnen des Verschlusses 17 den Ventilteller 8 freigibt, so dass das Löschmittel ausströmen kann. Die Belastungsachse 19 der Ampulle 16 und die waagerechte Mittellinie des Gehäuses 1 weisen einen Winkel von ca. 90 Grad zueinander auf.The FIG. 1 shows the device for triggering a fire extinguishing system to a connection adapter 3, to which the T-shaped housing 1 is screwed. The housing 1 with the valve seat 9 on the connection adapter 3 is closed by the valve plate 8, against which the toggle joint 6 acts. The toggle joint 6 consists of four 10 opposing articulated arms 6.1 with joints 6.2, which interact in the form of a parallelogram. The articulated joints 6.2 act against the respective contact points 11, 12, 13, 14, 15, which are arranged on the housing 1, the disk 10, the valve disk 8 and the closure 17 on the sprinkler 5. The sprinkler 5 has as a triggering element to an ampoule 16, which bursts upon reaching a certain temperature 15 by expanding the liquid therein and releases the valve disc 8 by opening the shutter 17, so that the extinguishing agent can flow out. The load axis 19 of the ampoule 16 and the horizontal center line of the housing 1 have an angle of approximately 90 degrees to each other.

Vorteilhafte Ausgestaltungen sind in der Figur 2 dargestellt, die eine Einstelleinrichtung 7 zeigt, mit der die Kraft auf den Ventilteller 8 einstellbar ist. Eine weitere vorteilhafte Ausgestaltung stellt das Fallrohr 2 dar, in dem sich das Stützrohr 4 befindet. Durch das Stützrohr 4 wird die Kraft vom Auflagepunkt 15 der Gelenkverbindung 6.2 des Kniehebel-Gelenkes 6 auf den Verschluss 17 am Sprinkler übertragen. Durch das Stütz- und Fallrohr 4, 2 kann ein Abstand zwischen dem Gehäuse 1 und dem Sprinkler 5 eingestellt werden was bei Einbau einer dazwischenliegenden Wand oder einem aus anderen Gründen erforderlichen Abstand notwendig sein kann. Am Ende des Fallrohres 2 ist zwischen Fallrohr 2 und Gehäuse 1 ein Zentrierring 18 angeordnet.Advantageous embodiments are in the FIG. 2 shown, which shows an adjusting device 7, with which the force on the valve disc 8 is adjustable. A further advantageous embodiment is the downpipe 2, in which the support tube 4 is located. Through the support tube 4, the force is transmitted from the support point 15 of the articulated connection 6.2 of the toggle joint 6 on the closure 17 on the sprinkler. Through the support and downpipe 4, 2, a distance between the housing 1 and the sprinkler 5 can be adjusted, which may be necessary when installing an intermediate wall or a distance required for other reasons. At the end of the downpipe 2, a centering ring 18 is arranged between the downpipe 2 and housing 1.

Liste der verwendeten BezugszeichenList of reference numbers used

11
Gehäusecasing
22
Fallrohrdownspout
33
Anschlussadapterconnection adapter
44
Stützrohrsupport tube
55
Sprinklersprinkler
6.16.1
Gelenkarmarticulated arm
6.26.2
Gelenkverbindungarticulation
66
Kniehebel-GelenkToggle-joint
77
Einstelleinrichtungadjustment
88th
Ventiltellervalve disc
99
Ventilsitzvalve seat
1010
Scheibedisc
1111
Auflagepunkt des Kniehebel-Gelenkes am Ventilteller 8Point of support of the toggle joint on the valve plate 8
1212
Auflagepunkt des Kniehebel-Gelenkes am Gehäuse 1Support point of the toggle joint on the housing 1
1313
Auflagepunkt des Kniehebel-Gelenkes am Sprinkler 5Support point of the toggle joint on the sprinkler 5
1414
Auflagepunkt des Kniehebel-Gelenkes an der Einstelleinrichtung 7Support point of the toggle joint on the adjustment 7th
1515
Auflagepunkt des Kniehebel-Gelenkes am Stützrohr 4Support point of the toggle joint on the support tube. 4
1616
Ampulleampoule
1717
Verschluss am SprinklerClosure on the sprinkler
1818
Zentrierringcentering
1919
Belastungsachse des AuslöseelementesLoad axis of the trigger element

Claims (8)

  1. Device for actuating a fire-extinguishing system by means of a sprinkler which is arranged between the pipeline for the extinguishing agent and the sprinkler on the sprinkler (5) or a downpipe (2) which is connected to the sprinkler (5) and a support pipe (4), comprising a multi-arm toggle joint (6) which acts between a loading axis (19) of an actuation element of the sprinkler (5) and a sealing element which is arranged at an angle of from 80 to 120 degrees relative thereto, wherein the multi-arm toggle joint (6) comprises articulated connections (6.2) which are constructed as a point-like connection and which each act centrally against the support locations thereof, and wherein the sealing element, which closes the pipeline for the extinguishing agent in a gas-tight manner, is constructed as a valve disc (8) against which the multi-arm toggle joint (6) acts.
  2. Device according to claim 1, characterised in that the angle between the loading axis (19) of the actuation element and the sealing element is approximately 90 degrees.
  3. Device according to either claim 1 or claim 2, characterised in that an adjustment device (7) is arranged opposite the sealing element or the sprinkler.
  4. Device according to any one of claims 1 to 3, characterised in that the toggle joint (6) is constructed as a two-arm or four-arm toggle joint.
  5. Device according to claim 4, characterised in that the four-arm toggle joint comprises four articulation arms (6.1) and four articulated connections (6.2).
  6. Device according to claim 5, characterised in that a first articulated connection (6.2) acts against the valve disc (8) and an articulated connection (6.2) which is offset with respect to the first articulated connection (6.2) by approximately 90 degrees acts counter to a closure (17) of the sprinkler (5).
  7. Device according to any one of claims 1 to 6, characterised in that the multi-arm toggle joint (6) is arranged in a T-shaped housing (1).
  8. Device according to claim 7, characterised in that a connection adapter (3) is arranged between the T-shaped housing (1) and the pipeline.
EP12169184.4A 2011-05-31 2012-05-24 Device for triggering a fire extinguishing system by means of a sprinkler Active EP2529797B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL12169184T PL2529797T3 (en) 2011-05-31 2012-05-24 Device for triggering a fire extinguishing system by means of a sprinkler

Applications Claiming Priority (1)

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DE102011076798.3A DE102011076798B4 (en) 2011-05-31 2011-05-31 Device for triggering a fire extinguishing system by a sprinkler

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EP2529797A2 EP2529797A2 (en) 2012-12-05
EP2529797A3 EP2529797A3 (en) 2014-04-09
EP2529797B1 true EP2529797B1 (en) 2017-03-22

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US (1) US8973672B2 (en)
EP (1) EP2529797B1 (en)
DE (1) DE102011076798B4 (en)
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PL (1) PL2529797T3 (en)

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CA2993241C (en) 2015-07-28 2023-12-12 Globe Fire Sprinkler Corporation Preaction sprinkler valve assemblies, related dry sprinkler devices and fire protection sprinkler systems
US10646736B2 (en) 2015-07-28 2020-05-12 Victaulic Company Preaction sprinkler valve assemblies, related dry sprinkler devices adapted for long travel, and fire protection sprinkler systems
US9539451B1 (en) 2016-05-06 2017-01-10 Bulb Link, LLC Heat-sensitive trigger for a fire sprinkler valve
CN106823193A (en) * 2017-03-18 2017-06-13 芜湖元航空科技有限公司 A kind of fire-fighting unmanned plane delivers fire extinguisher bomb device
US10850144B2 (en) 2017-06-14 2020-12-01 Victaulic Company Preaction sprinkler valve assemblies, related dry sprinkler devices, and compressive activation mechanism
US11045675B2 (en) 2018-02-02 2021-06-29 Victaulic Company Belleville seal for valve seat having a tear drop laminar flow feature
CN109027272B (en) * 2018-10-31 2024-07-02 廊坊金盾华通科技有限公司 Fireproof check valve
KR102607196B1 (en) * 2021-04-27 2023-11-29 주식회사 우당기술산업 Fire water spraying apparatus

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Also Published As

Publication number Publication date
DE102011076798A1 (en) 2012-12-06
ES2627414T3 (en) 2017-07-28
EP2529797A2 (en) 2012-12-05
EP2529797A3 (en) 2014-04-09
US20120318536A1 (en) 2012-12-20
DE102011076798B4 (en) 2016-12-29
PL2529797T3 (en) 2017-10-31
US8973672B2 (en) 2015-03-10

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