EP2422850A2 - Device for extinguishing fires - Google Patents

Device for extinguishing fires Download PDF

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Publication number
EP2422850A2
EP2422850A2 EP11175290A EP11175290A EP2422850A2 EP 2422850 A2 EP2422850 A2 EP 2422850A2 EP 11175290 A EP11175290 A EP 11175290A EP 11175290 A EP11175290 A EP 11175290A EP 2422850 A2 EP2422850 A2 EP 2422850A2
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EP
European Patent Office
Prior art keywords
container
extinguishing
extinguishing agent
propellant
control line
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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
EP11175290A
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German (de)
French (fr)
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EP2422850A3 (en
EP2422850B1 (en
Inventor
Georg Reinhardt
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Minimax GmbH and Co KG
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Minimax GmbH and Co KG
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Publication of EP2422850A2 publication Critical patent/EP2422850A2/en
Publication of EP2422850A3 publication Critical patent/EP2422850A3/en
Application granted granted Critical
Publication of EP2422850B1 publication Critical patent/EP2422850B1/en
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Anticipated expiration legal-status Critical

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    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C35/00—Permanently-installed equipment
    • A62C35/02—Permanently-installed equipment with containers for delivering the extinguishing substance
    • A62C35/023—Permanently-installed equipment with containers for delivering the extinguishing substance the extinguishing material being expelled by compressed gas, taken from storage tanks, or by generating a pressure gas
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C35/00—Permanently-installed equipment
    • A62C35/02—Permanently-installed equipment with containers for delivering the extinguishing substance
    • A62C35/11—Permanently-installed equipment with containers for delivering the extinguishing substance controlled by a signal from the danger zone
    • A62C35/13—Permanently-installed equipment with containers for delivering the extinguishing substance controlled by a signal from the danger zone with a finite supply of extinguishing material
    • 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

Definitions

  • the invention relates to a device for extinguishing fires according to the features of the first claim.
  • the device is particularly suitable for use in warehouses, containers, buildings or for the protection of objects in which is to be protected or dangerous goods and which by force or partial destruction of the building envelope, shell or shell, collapse and fire to destroy parts of the Fire extinguishing system can come. Furthermore, these are referred to as buildings or protective objects.
  • Protective objects can, for. B. mobile or stationary objects in the air, on land or water such as vehicles, ships or production facilities.
  • These may be chemical industry industrial buildings, military assets such as hangars, contaminated goods warehouses, power plant buildings, strategic office buildings, or contaminated buildings and production buildings.
  • Gas extinguishing systems can not be used if the building envelope is damaged.
  • Conventional extinguishing systems with piping systems for the distribution of the extinguishing medium in the vicinity of the source of the fire can not be used if the destruction of the pipelines is to be expected.
  • Extinguishing containers with powdered extinguishing agent usually have a container for the propellant gas and a valve occluding the container.
  • the extinguishing and propellant gas container may be arranged on the floor of the building. Pipelines lead to the nozzles, which are arranged above the expected fire.
  • the extinguishing and propellant container is transported to its place of use and triggered by a person.
  • EP 1 757 331 A2 describes a mobile fire extinguishing device for spraying a powdered extinguishing agent by a pressurized gas from a pressure vessel in which a disintegrant and a rupture disc allow a quick discharge of the extinguishing agent.
  • a disintegrant and a rupture disc allow a quick discharge of the extinguishing agent.
  • US 3,463,233 A describes a device for extinguishing fires in buildings or protective objects with an extinguishing agent container, nozzles for distributing the extinguishing agent, a control line and a valve for closing the container, wherein the non-pressurized control line keeps the valve of the container closed until a control block a build-up of pressure opens the valve and the extinguishing agent is distributed.
  • the device has no propellant container and also no extinguishing and propellant container, which represent independent structural unit.
  • the solution according to the invention provides a device for extinguishing fires in burglary buildings, rooms or containers and in protective objects, preferably of buildings containing dangerous goods consisting of an extinguishing agent container with the extinguishing agent, openings / nozzles for distributing the extinguishing agent, a control line and a Valve for closing the extinguishing or a propellant container consists.
  • an extinguishing agent container with the extinguishing agent openings / nozzles for distributing the extinguishing agent, a control line and a Valve for closing the extinguishing or a propellant container consists.
  • the term extinguishing module is used for this purpose. Under openings / nozzles are any openings or exit possibilities for the extinguishing agent from the container understood.
  • the nozzles represent openings in the extinguishing agent container, which are closed with a bursting foil or disc.
  • the extinguishing agent container may contain a powdered extinguishing agent and a propellant container with a propellant.
  • Propellants may be gases but also any other substances such. chemical blowing agent sets.
  • other extinguishing agents are also conceivable in the extinguishing agent container, such as a liquid, for example water, which is expelled from the extinguishing agent container by a propellant gas. It is important that the extinguishing module operates independently and is triggered by opening a valve, because on the control line, a valve for closing the propellant or extinguishing agent tank is arranged.
  • a control line under pressure in the standby state keeps the valve of the pressure medium container closed until a mechanical destruction or a trigger member opens the control line.
  • the control line has a predetermined breaking point. Due to the caused pressure drop in the control line at least one valve is opened and the extinguishing agent discharged.
  • the valve of the pressure medium tank can be a pneumatic valve.
  • test devices In order to be able to check each valve for its functionality, it is advantageous to arrange test devices on the valves.
  • the extinguishing and propellant container with the openings / nozzles represents an independent unit, which can be constructed as required.
  • valves are connected to a single control line and are triggered by this.
  • the control line can be a plastic pipe with a diameter of approx. 10 mm.
  • the invention provides to realize a redundant possibility of triggering the extinguishing agent container. This is achieved by the mechanical separation or destruction of at least one cable, e.g. realized by the collapsing shell of the area to be protected. It is advantageous if the rope has a predetermined breaking point.
  • at least one cable e.g. realized by the collapsing shell of the area to be protected.
  • the rope has a predetermined breaking point.
  • In the area to be protected at least one, but preferably several ropes, e.g. Steel cables or other material with a defined tensile force arranged horizontally and vertically and connected to a central control block with pneumatic valves.
  • the central control block is connected to the above-mentioned common control line.
  • the mechanical separation of one of these cables then leads via the control block to the pressure drop in the control line and thus to trigger the extinguishing container and the discharge of the extinguishing agent.
  • the control block contains several spring-loaded valves / pistons which are connected to the steel cables.
  • the valve / piston closes the compressed air supply from the compressor in the control block due to the spring load. At the same time or shortly thereafter escapes through a shared relief port in the control block, the compressed air from the control line. In the case of compressed air drop, the valve is opened and the extinguishing process begins by the propellant from the propellant container discharging the extinguishing agent from the extinguishing agent container via an opening / nozzle.
  • the electrical control of the control block can also be done via a fire alarm / security system.
  • the control block consists of electrically controllable valves which in case of danger (pressure wave, fire signal) close the control line to the compressor and open the control line towards the extinguishing module so that the valve opens via a compressed air drop and the extinguishing process begins by the propellant from the propellant container the extinguishing agent from the extinguishing agent container via an opening / nozzle.
  • danger pressure wave, fire signal
  • thermal isolators are advantageous to provide these cables with thermal isolators. These thermal isolators then fulfill the normal standard function of a trigger element, i. for cable separation and triggering of the extinguishing container in the event of a certain temperature exceeded.
  • the thermal isolator is used at the same time as a predetermined breaking point in case of mechanical destruction, e.g. by a terrorist attack, explosion, earthquake and the like via the control block and the pressure drop in the control line to trigger the extinguishing agent container.
  • Another redundant release of the extinguishing agent container can be done via a fire alarm system.
  • the device can also be controlled and triggered by known fire detection devices.
  • An advantage of the device according to the invention is that fires in collapsing buildings ect. can also be deleted if there is no longer a functioning pipeline network.
  • a deletion process takes place with the utmost probability, even if it comes to the partial or total destruction of the building.
  • Each erase module is independent of the others and thus intrinsically safe.
  • the FIG. 1 shows the extinguishing and propellant container 2.4 according to the invention with the control line 7, which is a compressed air line.
  • the valve 6 When compressed air drop, the valve 6 is opened and the deletion process begins by the propellant from the propellant container 4, the powdered extinguishing agent from the extinguishing agent tank 2 via the nozzle 5 ausbringt.
  • the extinguishing and propellant container 2,4 represents a self-contained unit and is secured with a wall mount 11 to the wall.
  • control line 7 the unit is connected to other units of this kind.
  • the monitoring line 18 makes it possible to trigger the container 4 for propellant gas via the monitoring center 9.
  • On the unit all the necessary fittings 6,12,13,14,15 are arranged for function and function verification.
  • FIG. 2 shows a view from above of the device in Fig.1 with the extinguishing 2, the propellant container 4 and a nozzle 5 for discharging the extinguishing agent.
  • the nozzle 5 is with a rupture foil or disc 17 is closed, which is destroyed by the release of the device by the contents of the extinguishing agent container 2.
  • the FIG. 3 shows several extinguishing modules, ie extinguishing and propellant container 2.4 of Fig. 1 arranged in a room in a building 1 which are interconnected by means of control 7 and monitoring line 18.
  • the extinguishing modules are connected in series via the control lines 7, ie the control lines 7 of the subsequent modules are branched off from the control line 7 of the preceding extinguishing module.
  • the extinguishing and propellant containers 2,4 can be triggered either by destroying the control line 7, the monitoring center 9, or by the function of the control block 21 and the ropes 20 arranged thereon or all three possibilities.
  • Compressors 22 provide the required pressure in the control line 7 which drops when triggered so that the pneumatic valves on propellant 4 open and drive the extinguishing agent 3 from the extinguishing agent tank 2.
  • the control block 21 can also be controlled by a fire alarm control panel or other danger detection or warning system.
  • FIG. 4 shows a triggering mechanism by means of rope 20 and ropes 20 with a thermal isolator 23.
  • the ropes 20 and the cables 20 with thermal isolators 23 are arranged on the control block 21.
  • the triggering of the extinguishing modules is realized by the mechanical separation or destruction of at least one rope, for example by the collapsing shell of the protected area.
  • several cables 20 are arranged with a defined tensile force horizontally and vertically in the area to be protected and are connected to a central control block 21 with pneumatic valves.
  • the central control block 21 is connected to the above-mentioned common control line 7 (s. Fig. 3 ) connected.
  • the mechanical separation of one of these cables 20 then leads via the control block 21 to the pressure drop in the control line 7 and thus to trigger the extinguishing container 2,4 and the discharge of the extinguishing agent.
  • thermal isolators 23 are provided with thermal isolators 23. These thermal isolators 23 then meet the normal standard function of a trigger element, ie for cable separation and release of the extinguishing container 2 in the case of a certain temperature exceeded.
  • the thermal isolator 23 is used at the same time as a predetermined breaking point to trigger the extinguishing agent container 2 in the event of mechanical destruction, for example by a terrorist attack, explosion, earthquakes and the like via the control block 21 and the pressure drop in the control line 7.
  • Embodiments for differently arranged extinguishing and propellant container 2.4 with nozzles 5 in the housing 19 shows the FIG. 5 ,
  • the containers form independent units which operate independently when triggered and adapted to the respective requirements.
  • FIG. 6 shows different arrangements of nozzles 5 to housings 19 of extinguishing and propellant containers 2,4.
  • FIG. 7 shows the propellant container 4 with the control and monitoring line 7,18. Triggering can be done via both lines.
  • the control line 7 leads to further units / extinguishing modules which are arranged in the building 1. The fittings required for the function of the system 12,13,14,15,16 are shown in the figure.

Abstract

The device has extinguishing agent container (2), propellant container (4), openings for distributing extinguishing agent. A control line (7) and a valve are provided for closing the propellant container. The valve provided between containers is opened by control block (21), so that extinguishing agent is distributed.

Description

Die Erfindung betrifft eine Vorrichtung zum Löschen von Bränden nach den Merkmalen des ersten Patentanspruches.The invention relates to a device for extinguishing fires according to the features of the first claim.

Die Vorrichtung eignet sich besonders für den Einsatz in Lagern, Behältern, Gebäuden oder zum Schutz von Objekten in denen sich zu schützendes oder Gefahrgut befindet und bei denen es durch Krafteinwirkung oder Teilzerstörung der Gebäudehülle, Raumhülle oder Objekthülle, Einsturz und Brand zum Zerstören von Teilen der Feuerlöschanlage kommen kann. Im Weiteren werden diese als Gebäude oder Schutzobjekte bezeichnet. Schutzobjekte können z. B. mobile oder stationäre Objekte in der Luft, zu Lande oder Wasser wie Fahrzeuge, Schiffe oder Produktionsanlagen sein.The device is particularly suitable for use in warehouses, containers, buildings or for the protection of objects in which is to be protected or dangerous goods and which by force or partial destruction of the building envelope, shell or shell, collapse and fire to destroy parts of the Fire extinguishing system can come. Furthermore, these are referred to as buildings or protective objects. Protective objects can, for. B. mobile or stationary objects in the air, on land or water such as vehicles, ships or production facilities.

Es kann sich dabei um Industriegebäude der Chemieindustrie, Militärobjekte wie Hangars, Lager für kontaminierte Güter, Kraftwerksgebäude, strategische Bürogebäude oder kontaminierte Gebäude und Produktionsgebäude handeln.These may be chemical industry industrial buildings, military assets such as hangars, contaminated goods warehouses, power plant buildings, strategic office buildings, or contaminated buildings and production buildings.

Um die genannten Gebäude, Behälter oder Anlagen gegen Brände im Zusammenhang mit Teilzerstörungen durch z.B. Explosionen, Terroranschläge, Erdbeben u.a. zu schützen sind herkömmliche Löschanlagen ungeeignet. Eine besondere Herausforderung stellen Brände dar, die durch auslaufende brennbare Flüssigkeiten und/oder die durch den Einsturz des Gebäudes entstehen, verhindert, in der Ausbreitung eingedämmt oder gelöscht werden müssen.In order to protect said buildings, containers or installations against fires in connection with partial destruction by e.g. Explosions, terrorist attacks, earthquakes and others To protect conventional extinguishing systems are unsuitable. A particular challenge are fires that are caused by escaping flammable liquids and / or caused by the collapse of the building, must be prevented from being contained or extinguished in the spread.

Gaslöschanlagen können dann nicht eingesetzt werden, wenn die Gebäudehülle beschädigt ist. Herkömmliche Löschanlagen mit Rohrsystemen zur Verteilung des Löschmediums in die Nähe des Brandherdes können nicht eingesetzt werden, wenn mit der Zerstörung der Rohrleitungen zu rechnen ist.Gas extinguishing systems can not be used if the building envelope is damaged. Conventional extinguishing systems with piping systems for the distribution of the extinguishing medium in the vicinity of the source of the fire can not be used if the destruction of the pipelines is to be expected.

Löschbehälter mit pulverförmigem Löschmittel weisen in der Regel einen Behälter für das Treibgas auf und ein den Behälter verschließendes Ventil. Der Lösch- und Treibgasbehälter kann auf dem Boden des Gebäudes angeordnet sein. Rohrleitungen führen zu den Düsen, die über dem zu erwartenden Brandherd angeordnet sind. Bei mobilen Anlagen mit pulverförmigen Löschmittel wird der Lösch - und Treibmittelbehälter zu seinem Einsatzort transportiert und durch eine Person ausgelöst.Extinguishing containers with powdered extinguishing agent usually have a container for the propellant gas and a valve occluding the container. The extinguishing and propellant gas container may be arranged on the floor of the building. Pipelines lead to the nozzles, which are arranged above the expected fire. In mobile plants with powdery extinguishing agent, the extinguishing and propellant container is transported to its place of use and triggered by a person.

EP 1 757 331 A2 beschreibt eine mobile Feuerlöscheinrichtung zum Versprühen eines pulverförmigen Löschmittels durch ein Druckgas aus einem Druckbehälter bei dem ein Sprengmittel und eine Berstscheibe ein schnelles Austragen des Löschmittels ermöglichen. Für einen Einsatz zum Löschen in Gebäuden mit teilweise zerstörten Gebäudehüllen oder in Räumen mit teilweise zerstörten Raumhüllen sind diese Lösungen mit Rohrleitungen oder mit mobilen Geräten zur Brandbekämpfung nicht geeignet. EP 1 757 331 A2 describes a mobile fire extinguishing device for spraying a powdered extinguishing agent by a pressurized gas from a pressure vessel in which a disintegrant and a rupture disc allow a quick discharge of the extinguishing agent. For use in fire extinguishing in buildings with partially destroyed building envelopes or in rooms with partially destroyed enclosures, these solutions are not suitable for use with pipelines or mobile firefighting equipment.

US 3,463,233 A beschreibt eine Vorrichtung zum Löschen von Bränden in Gebäuden oder Schutzobjekten mit einem Löschmittelbehälter, Düsen zum Verteilen des Löschmittels, einer Steuerleitung und einem Ventil zum Verschließen des Behälters, wobei die im Bereitschaftszustand drucklose Steuerleitung das Ventil des Behälters so lange geschlossen hält, bis über einen Steuerblock ein Druckaufbau das Ventil öffnet und das Löschmittel verteilt wird. Die Vorrichtung weist keinen Treibmittelbehälter und auch keinen Lösch- und Treibmittelbehälter auf, die selbständige Baueinheit darstellen. US 3,463,233 A describes a device for extinguishing fires in buildings or protective objects with an extinguishing agent container, nozzles for distributing the extinguishing agent, a control line and a valve for closing the container, wherein the non-pressurized control line keeps the valve of the container closed until a control block a build-up of pressure opens the valve and the extinguishing agent is distributed. The device has no propellant container and also no extinguishing and propellant container, which represent independent structural unit.

DE 201 12 739 U1 beschreibt eine Löschanlage für Gefahrguttransporter, dessen Bodenbereich mit einem Löschwasserbehälter sowie einem Druckluftbehälter ausgebildet ist und im Deckenbereich eine Sprührohranlage sowie ein Schlauchsystem angeordnet sind. Die Steuerleitung steht im Bereitschaftszustand unter Druckluft, wobei die mechanische Zerstörung zu einem Druckabfall in der Steuerleitung zum Öffnen des Löschmittelbehälters führt, wodurch das Löschmittel verteilt wird. Brände in Gebäuden sind mit dieser Vorrichtung nicht löschbar. DE 201 12 739 U1 describes an extinguishing system for dangerous goods transporter, whose bottom portion is formed with a fire water tank and a compressed air tank and in the ceiling area a Sprührohranlage and a hose system are arranged. The control line is in the standby state under compressed air, wherein the mechanical destruction leads to a pressure drop in the control line for opening the extinguishing agent container, whereby the extinguishing agent is distributed. Fires in buildings can not be erased with this device.

Es ist daher Aufgabe der Erfindung, eine Vorrichtung zu entwickeln, mit der Brände in Gebäuden und Schutzobjekten, die durch äußere Einwirkung geschädigt werden, schnell löschbar sind.It is therefore the object of the invention to develop a device with which fires in buildings and protective objects, which are damaged by external influences, can be rapidly extinguished.

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 Erfinder wieder.Subclaims give advantageous embodiments of the inventors again.

Die erfindungsgemäße Lösung sieht eine Vorrichtung zum Löschen von Bränden in einbrechenden Gebäuden, Räumen oder Behältern und in Schutzobjekten, vorzugsweise von Gebäuden die gefährliche Güter enthalten vor, die aus einem Löschmittelbehälter mit dem Löschmittel, Öffnungen/Düsen zum Verteilen des Löschmittels, einer Steuerleitung und einem Ventil zum Verschließen des Lösch- oder eines Treibmittelbehälters besteht. Im weiteren wird auch der Begriff Löschmodul hierfür verwendet. Unter Öffnungen/Düsen werden jegliche Öffnungen oder Austrittsmöglichkeiten für das Löschmittel aus dem Behälter verstanden.The solution according to the invention provides a device for extinguishing fires in burglary buildings, rooms or containers and in protective objects, preferably of buildings containing dangerous goods consisting of an extinguishing agent container with the extinguishing agent, openings / nozzles for distributing the extinguishing agent, a control line and a Valve for closing the extinguishing or a propellant container consists. In addition, the term extinguishing module is used for this purpose. Under openings / nozzles are any openings or exit possibilities for the extinguishing agent from the container understood.

Vorteilhaft ist es, wenn die Düsen Öffnungen im Löschmittelbehälter darstellen, welche mit einer Berstfolie oder-scheibe verschlossen sind.It is advantageous if the nozzles represent openings in the extinguishing agent container, which are closed with a bursting foil or disc.

Der Löschmittelbehälter kann ein pulverförmiges Löschmittel und einen Treibmittelbehälter mit einem Treibmittel enthalten. Treibmittel können Gase aber auch beliebig andere Stoffe sein wie z.B. chemische Treibmittelsätze. Denkbar sind aber auch andere Löschmittel im Löschmittelbehälter, wie eine Flüssigkeit zum Beispiel Wasser, welches durch ein Treibgas aus dem Löschmittelbehälter ausgetrieben wird. Wichtig ist, daß das Löschmodul autark arbeitet und durch Öffnen eines Ventils ausgelöst wird, denn an der Steuerleitung ist ein Ventil zum Verschließen des Treib- oder Löschmittelbehälters angeordnet.The extinguishing agent container may contain a powdered extinguishing agent and a propellant container with a propellant. Propellants may be gases but also any other substances such. chemical blowing agent sets. However, other extinguishing agents are also conceivable in the extinguishing agent container, such as a liquid, for example water, which is expelled from the extinguishing agent container by a propellant gas. It is important that the extinguishing module operates independently and is triggered by opening a valve, because on the control line, a valve for closing the propellant or extinguishing agent tank is arranged.

Eine im Bereitschaftszustand unter Druck stehende Steuerleitung hält das Ventil des Druckmittelbehälters so lange geschlossen, bis eine mechanische Zerstörung oder ein Auslöseglied die Steuerleitung öffnet. Dazu ist es vorteilhaft, wenn die Steuerleitung eine Sollbruchstelle aufweist. Durch den hervorgerufenen Druckabfall in der Steuerleitung wird mindestens ein Ventil geöffnet und das Löschmittel ausgebracht.A control line under pressure in the standby state keeps the valve of the pressure medium container closed until a mechanical destruction or a trigger member opens the control line. For this purpose, it is advantageous if the control line has a predetermined breaking point. Due to the caused pressure drop in the control line at least one valve is opened and the extinguishing agent discharged.

Das Ventil des Druckmittelbehälters kann ein Pneumatikventil darstellen.The valve of the pressure medium tank can be a pneumatic valve.

Um jedes Ventil auf seine Funktionsfähigkeit überprüfen zu können, ist es vorteilhaft, an den Ventilen Testvorrichtungen anzuordnen.In order to be able to check each valve for its functionality, it is advantageous to arrange test devices on the valves.

Der Lösch- und Treibmittelbehälter mit den Öffnungen/Düsen stellt eine selbständige Einheit dar, die je nach Anforderung aufgebaut sein kann.The extinguishing and propellant container with the openings / nozzles represents an independent unit, which can be constructed as required.

Vorteilhaft ist es, wenn mehrere Lösch- und Treibmittelbehälter mit Ventilen mit einer gemeinsamen Steuerleitung im zu schützenden Gebäude um das zu erwartende Brandgeschehen angeordnet sind.It is advantageous if several extinguishing and propellant containers are arranged with valves with a common control line in the building to be protected to the expected fire events.

Dabei ist es von Vorteil, wenn mehrere Ventile mit einer einzigen Steuerleitung verbunden sind und von dieser ausgelöst werden.It is advantageous if several valves are connected to a single control line and are triggered by this.

Die Steuerleitung kann eine Kunststoffleitung mit einem Durchmesser von ca.10 mm darstellen.The control line can be a plastic pipe with a diameter of approx. 10 mm.

Die Erfindung sieht vor eine redundante Auslösungsmöglichkeit der Löschmittelbehälter zu realisieren. Diese wird über die mechanische Trennung bzw. Zerstörung mindestens eines Seiles z.B. durch die einstürzende Hülle des zu schützenden Bereiches realisiert. Vorteilhaft ist es, wenn das Seil eine Sollbruchstelle aufweist. Im zu schützenden Bereich sind mindestens eins, aber vorzugsweise mehrere Seile, z.B. Stahlseile oder aus anderem Material mit einer definierten Zugkraft horizontal und vertikal angeordnet und mit einem zentralen Steuerblock mit Pneumatikventilen verbunden. Der zentrale Steuerblock ist mit der oben genanten gemeinsamen Steuerleitung verbunden. Die mechanische Trennung eines dieser Seile führt dann über den Steuerblock zum Druckabfall in der Steuerleitung und damit zur Auslösung der Löschbehälter und das Ausbringen des Löschmittels.The invention provides to realize a redundant possibility of triggering the extinguishing agent container. This is achieved by the mechanical separation or destruction of at least one cable, e.g. realized by the collapsing shell of the area to be protected. It is advantageous if the rope has a predetermined breaking point. In the area to be protected at least one, but preferably several ropes, e.g. Steel cables or other material with a defined tensile force arranged horizontally and vertically and connected to a central control block with pneumatic valves. The central control block is connected to the above-mentioned common control line. The mechanical separation of one of these cables then leads via the control block to the pressure drop in the control line and thus to trigger the extinguishing container and the discharge of the extinguishing agent.

Der Steuerblock beinhaltet mehrere federbelastete Ventile/Kolben die mit den Stahlseilen verbunden sind.The control block contains several spring-loaded valves / pistons which are connected to the steel cables.

Diese geben im betriebsbereiten Zustand die Steuerleitung von einem Kompressor zu den Pneumatikventilen der Treibmittelbehälter der Löschmodule frei.These give in the ready state, the control line from a compressor to the pneumatic valves of the propellant container extinguishing modules.

Wird ein Seil mechanisch oder thermisch getrennt, schließt das Ventil/Kolben durch die Federbelastung die Druckluftversorgung vom Kompressor im Steuerblock. Gleichzeitig oder kurz danach entweicht durch eine freigegebene Entlastungsöffnung im Steuerblock die Druckluft aus der Steuerleitung. Bei Druckluftabfall wird das Ventil geöffnet und der Löschvorgang beginnt, indem das Treibmittel aus dem Treibmittelbehälter das Löschmittel aus dem Löschmittelbehälter über eine Öffnung/Düse ausbringt.If a cable is mechanically or thermally separated, the valve / piston closes the compressed air supply from the compressor in the control block due to the spring load. At the same time or shortly thereafter escapes through a shared relief port in the control block, the compressed air from the control line. In the case of compressed air drop, the valve is opened and the extinguishing process begins by the propellant from the propellant container discharging the extinguishing agent from the extinguishing agent container via an opening / nozzle.

Die elektrische Ansteuerung des Steuerblocks kann auch über eine Brandmelderanlage/Gefahrenmeldeanlage erfolgen.The electrical control of the control block can also be done via a fire alarm / security system.

Der Steuerblock besteht aus elektrisch ansteuerbaren Ventilen welche im Gefahrenfall (Druckwelle, Feuersignal) die Steuerleitung zum Kompressor hin verschließen und die Steuerleitung hin zum Löschmodul öffnen, so dass über ein Druckluftabfall das Ventil geöffnet und der Löschvorgang beginnt, indem das Treibmittel aus dem Treibmittelbehälter das Löschmittel aus dem Löschmittelbehälter über eine Öffnung/Düse ausbringt.The control block consists of electrically controllable valves which in case of danger (pressure wave, fire signal) close the control line to the compressor and open the control line towards the extinguishing module so that the valve opens via a compressed air drop and the extinguishing process begins by the propellant from the propellant container the extinguishing agent from the extinguishing agent container via an opening / nozzle.

Weiterhin ist es Vorteilhaft diese Seile mit Thermotrenngliedern zu versehen. Diese Thermotrennglieder erfüllen dann die ganz normale Standardfunktion eines Auslöseelementes, d.h. zur Seilauftrennung und Auslösung der Löschbehälter im Fall einer bestimmten Temperaturüberschreitung. Das Thermotrennglied wird aber gleichzeitig als Sollbruchstelle genutzt um im Fall einer mechanische Zerstörung z.B. durch einen Terroranschlag, Explosion, Erdbeben und ähnliches über den Steuerblock und den Druckabfall in der Steuerleitung die Löschmittelbehälter auszulösen.Furthermore, it is advantageous to provide these cables with thermal isolators. These thermal isolators then fulfill the normal standard function of a trigger element, i. for cable separation and triggering of the extinguishing container in the event of a certain temperature exceeded. The thermal isolator is used at the same time as a predetermined breaking point in case of mechanical destruction, e.g. by a terrorist attack, explosion, earthquake and the like via the control block and the pressure drop in the control line to trigger the extinguishing agent container.

Eine weitere redundante Auslösung der Löschmittelbehälter kann über eine Brandmeldeanlage erfolgen.Another redundant release of the extinguishing agent container can be done via a fire alarm system.

Diese redundanten Auslösemöglichkeiten können in Kombination eingesetzt werden.These redundant tripping options can be used in combination.

Vorteilhaft ist es, den Löschmittel- und Treibmittelbehälter an Wänden und der Decke auch in mehreren Ebenen oder/ und in mehreren Reihen nebeneinander anzuordnen.It is advantageous to arrange the extinguishing agent and propellant container on walls and the ceiling in several levels and / or in several rows next to each other.

Die Vorrichtung kann auch von an sich bekannten Brandmeldeeinrichtungen angesteuert und ausgelöst werden.The device can also be controlled and triggered by known fire detection devices.

Vorteilhaft ist es, die beschriebene Vorrichtung mit einer Wasserlöschanlage und/oder Schaumlöschanlage zu kombinieren. Auch der Einsatz von Löschmonitoren kann vorteilhaft sein. Damit ist es möglich, auch normale Brände in Gebäude zu löschen und Bauteile zu kühlen.It is advantageous to combine the device described with a water extinguishing system and / or foam extinguishing system. The use of fire monitors may be beneficial. This makes it possible to extinguish even normal fires in buildings and to cool components.

Vorteilhaft an der erfindungsgemäßen Vorrichtung ist, daß Brände in einstürzenden Gebäuden ect. auch dann löschbar sind, wenn kein funktionierendes Rohrleitungsnetz mehr vorhanden ist. Durch die Anordnung mehrerer unabhängig voneinander funktionierender Lösch- und Treibmittelgehälter (Löschmodule) über dem Brandgeschehen findet ein Löschvorgang mit allerhöchster Wahrscheinlichkeit statt, auch wenn es zur teilweisen oder völligen Zerstörung des Gebäudes kommt.An advantage of the device according to the invention is that fires in collapsing buildings ect. can also be deleted if there is no longer a functioning pipeline network. By arranging several independently operating extinguishing and Treibmittelgehälter (extinguishing modules) on the fire, a deletion process takes place with the utmost probability, even if it comes to the partial or total destruction of the building.

Jedes Löschmodul ist unabhängig von den anderen funktionsfähig und damit eigensicher.Each erase module is independent of the others and thus intrinsically safe.

Im Folgenden soll die Erfindung an einem Ausführungsbeispiel mit einem Löschmittelbehälter mit pulverförmigen Löschmittel und sieben Figuren näher erläutert werden. Die Figuren zeigen:

  • Figur 1: Lösch- und Treibmittelbehälter mit Steuerleitung und an den Behältern
    angeordneten Armaturen.
  • Figur 2: Ansicht von oben auf Figur 1
  • Figur 3: Mehrere Lösch- und Treibmittelbehälter von Fig. 1 angeordnet in einem Raum mittels Steuer- und Ãœberwachungsleitung miteinander verbunden.
  • Figur 4: Auslösemechanismus mittels Seil
  • Figur 5: Ansicht von oben mit unterschiedlichen Anordnungen der Lösch-, Treibmittelbehälter
  • Figur 6: Ansicht von oben mit unterschiedlichen Anordnungen der Düsen
  • Figur 7: Detaildarstellung eines Treibmittelbehälters mit Steuerleitung
In the following, the invention will be explained in more detail in an exemplary embodiment with an extinguishing agent container with pulverulent extinguishing agent and seven figures. The figures show:
  • FIG. 1 : Extinguishing and propellant tank with control line and tanks
    arranged fittings.
  • FIG. 2 : View from above FIG. 1
  • FIG. 3 : Several extinguishing and propellant containers of Fig. 1 arranged in a room connected by means of control and monitoring line.
  • FIG. 4 : Release mechanism by means of rope
  • FIG. 5 : View from above with different arrangements of extinguishing, propellant tanks
  • FIG. 6 : Top view with different arrangements of nozzles
  • FIG. 7 : Detail of a propellant container with control line

Die Figur 1 zeigt den erfindungsgemäßen Lösch- und Treibmittelbehälter 2,4 mit der Steuerleitung 7, die eine Druckluftleitung darstellt. Bei Druckluftabfall wird das Ventil 6 geöffnet und der Löschvorgang beginnt, indem das Treibmittel aus dem Treibmittelbehälter 4 das pulverförmige Löschmittel aus dem Löschmittelbehälter 2 über die Düse 5 ausbringt. Der Lösch - und Treibmittelbehälter 2,4 stellt eine selbständige Baueinheit dar und ist mit einer Wandbefestigung 11 mit der Wand befestigt. Mittels Steuerleitung 7 ist die Einheit mit weiteren Einheiten dieser Art verbunden. Die Überwachungsleitung 18 ermöglicht es den Behälter 4 für Treibgas über die Überwachungszentrale 9 auszulösen. An der Baueinheit sind zur Funktion und zur Funktionsüberprüfung alle erforderlichen Armaturen 6,12,13,14,15 angeordnet.The FIG. 1 shows the extinguishing and propellant container 2.4 according to the invention with the control line 7, which is a compressed air line. When compressed air drop, the valve 6 is opened and the deletion process begins by the propellant from the propellant container 4, the powdered extinguishing agent from the extinguishing agent tank 2 via the nozzle 5 ausbringt. The extinguishing and propellant container 2,4 represents a self-contained unit and is secured with a wall mount 11 to the wall. By means of control line 7, the unit is connected to other units of this kind. The monitoring line 18 makes it possible to trigger the container 4 for propellant gas via the monitoring center 9. On the unit all the necessary fittings 6,12,13,14,15 are arranged for function and function verification.

Die Figur 2 zeigt eine Ansicht von oben auf die Vorrichtung in Fig.1 mit dem Lösch- 2, dem Treibmittelbehälter 4 und einer Düse 5 zum Ausbringen des Löschmittels. Die Düse 5 ist mit einer Berstfolie oder-scheibe 17 verschlossen, die nach Auslösen der Vorrichtung durch den Inhalt des Löschmittelbehälters 2 zerstört wird.The FIG. 2 shows a view from above of the device in Fig.1 with the extinguishing 2, the propellant container 4 and a nozzle 5 for discharging the extinguishing agent. The nozzle 5 is with a rupture foil or disc 17 is closed, which is destroyed by the release of the device by the contents of the extinguishing agent container 2.

Die Figur 3 zeigt mehrere Löschmodule, d.h. Lösch- und Treibmittelbehälter 2,4 von Fig. 1 angeordnet in einem Raum in einem Gebäude 1 die mittels Steuer-7 und Überwachungsleitung 18 miteinander verbunden sind. Die Löschmodule werden über die Steuerleitungen 7 in Reihe verbunden, d.h..die Steuerleitungen 7 der nachfolgenden Module werden von der Steuerleitung 7 des vorhergehenden Löschmoduls abgezweigt. Im Brandfall sind die Lösch- und Treibmittelbehälter 2,4 entweder durch das Zerstören der Steuerleitung 7, die Überwachungszentrale 9, oder über die Funktion des Steuerblocks 21 und die daran angeordneten Seile 20 oder alle drei Möglichkeiten auslösbar. Kompressoren 22 sorgen für den erforderlichen Druck in der Steuerleitung 7 der bei Auslösen abfällt, so daß die Pneumatikventile am Treibgasbehälter 4 sich öffnen und das Löschmittel 3 aus dem Löschmittelbehälter 2 treiben. Der Steuerblock 21 kann auch von einer Brandmelderzentrale oder anderen Gefahrendetektions- oder -warnanlage angesteuert werden.The FIG. 3 shows several extinguishing modules, ie extinguishing and propellant container 2.4 of Fig. 1 arranged in a room in a building 1 which are interconnected by means of control 7 and monitoring line 18. The extinguishing modules are connected in series via the control lines 7, ie the control lines 7 of the subsequent modules are branched off from the control line 7 of the preceding extinguishing module. In the event of a fire, the extinguishing and propellant containers 2,4 can be triggered either by destroying the control line 7, the monitoring center 9, or by the function of the control block 21 and the ropes 20 arranged thereon or all three possibilities. Compressors 22 provide the required pressure in the control line 7 which drops when triggered so that the pneumatic valves on propellant 4 open and drive the extinguishing agent 3 from the extinguishing agent tank 2. The control block 21 can also be controlled by a fire alarm control panel or other danger detection or warning system.

Die Figur 4 zeigt einen Auslösemechanismus mittels Seil 20 und Seile 20 mit einem Thermotrennglied 23. Die Seile 20 und die Seile 20 mit Thermotrenngliedern 23 sind am Steuerblock 21 angeordnet.The FIG. 4 shows a triggering mechanism by means of rope 20 and ropes 20 with a thermal isolator 23. The ropes 20 and the cables 20 with thermal isolators 23 are arranged on the control block 21.

Die Auslösung der Löschmodule wird über die mechanische Trennung bzw. Zerstörung mindestens eines Seiles z.B. durch die einstürzende Hülle des zu schützenden Bereiches realisiert. Nicht dargestellt, aber vorteilhaft ist es wenn mehrere Seile 20 mit einer definierten Zugkraft horizontal und vertikal in dem zu schützenden Bereich angeordnet sind und mit einem zentralen Steuerblock 21 mit Pneumatikventilen verbunden sind. Der zentrale Steuerblock 21 ist mit der oben genanten gemeinsamen Steuerleitung 7 (s. Fig. 3) verbunden. Die mechanische Trennung eines dieser Seile 20 führt dann über den Steuerblock 21 zum Druckabfall in der Steuerleitung 7 und damit zur Auslösung der Löschbehälter 2,4 und dem Ausbringen des Löschmittels 3.The triggering of the extinguishing modules is realized by the mechanical separation or destruction of at least one rope, for example by the collapsing shell of the protected area. Not shown, but it is advantageous if several cables 20 are arranged with a defined tensile force horizontally and vertically in the area to be protected and are connected to a central control block 21 with pneumatic valves. The central control block 21 is connected to the above-mentioned common control line 7 (s. Fig. 3 ) connected. The mechanical separation of one of these cables 20 then leads via the control block 21 to the pressure drop in the control line 7 and thus to trigger the extinguishing container 2,4 and the discharge of the extinguishing agent. 3

Parallel hierzu sind ein Teil der Seile 20 mit Thermotrenngliedern 23 versehen. Diese Thermotrennglieder 23 erfüllen dann die ganz normale Standardfunktion eines Auslöseelementes, d.h. zur Seilauftrennung und Auslösung der Löschbehälter 2 im Fall einer bestimmten Temperaturüberschreitung. Das Thermotrennglied 23 wird aber gleichzeitig als Sollbruchstelle genutzt um im Fall einer mechanischen Zerstörung z.B. durch einen Terroranschlag, Explosion, Erdbeben und ähnliches über den Steuerblock 21 und den Druckabfall in der Steuerleitung 7 die Löschmittelbehälter 2 auszulösen. Ausführungsbeispiele für unterschiedlich angeordnete Lösch- und Treibmittelbehälter 2,4 mit Düsen 5 in der Einhausung 19 zeigt die Figur 5 . Die Behälter bilden selbständige Einheiten die bei Auslösung unabhängig voneinander funktionieren und den jeweiligen Erfordernissen angepaßt sind.Parallel to this, a part of the ropes 20 are provided with thermal isolators 23. These thermal isolators 23 then meet the normal standard function of a trigger element, ie for cable separation and release of the extinguishing container 2 in the case of a certain temperature exceeded. The thermal isolator 23 is used at the same time as a predetermined breaking point to trigger the extinguishing agent container 2 in the event of mechanical destruction, for example by a terrorist attack, explosion, earthquakes and the like via the control block 21 and the pressure drop in the control line 7. Embodiments for differently arranged extinguishing and propellant container 2.4 with nozzles 5 in the housing 19 shows the FIG. 5 , The containers form independent units which operate independently when triggered and adapted to the respective requirements.

Die Figur 6 zeigt unterschiedliche Anordnungen von Düsen 5 an Einhausungen 19 von Lösch- und Treibmittelbehältern 2,4.The FIG. 6 shows different arrangements of nozzles 5 to housings 19 of extinguishing and propellant containers 2,4.

Die Figur 7 zeigt den Treibmittelbehälter 4 mit der Steuer- und Überwachungsleitung 7,18. Ein Auslösen kann über beide Leitungen erfolgen. Die Steuerleitung 7 führt zu weiteren Einheiten/Löschmodulen die im Gebäude 1 angeordnet sind. Die für die Funktion der Anlage erforderlichen Armaturen 12,13,14,15,16 sind in die Figur eingezeichnet.The FIG. 7 shows the propellant container 4 with the control and monitoring line 7,18. Triggering can be done via both lines. The control line 7 leads to further units / extinguishing modules which are arranged in the building 1. The fittings required for the function of the system 12,13,14,15,16 are shown in the figure.

Claims (11)

Vorrichtung zum Löschen von Bränden in Gebäuden (1) oder Schutzobjekten bestehend aus einem Löschmittelbehälter (2), einem Behälter (4) mit Treibmittel, Öffnungen zum Verteilen des Löschmittels, einer Steuerleitung (7) und einem Ventil (6) zum Verschließen des Behälters (4)
wobei ein Lösch- und Treibmittelbehälter (2, 4) eine selbständige Baueinheit darstellen und eine im Bereitschaftszustand unter Druck stehende Steuerleitung (7) das Ventil (6) des Behälters (4) für Treibmittel so lange geschlossen hält bis über einen Steuerblock (21) oder die mechanische Zerstörung der Steuerleitung (7) ein Druckabfall das Ventil (6) zwischen dem Behälter (4) für das Treibmittel und dem Löschmittelbehälter (2) öffnet und das Löschmittel (3) verteilt wird.Device for extinguishing fires in buildings (1) or protective objects consisting of an extinguishing agent container (2), a container (4) with propellant, openings for distributing the extinguishing agent, a control line (7) and a valve (6) for closing the container ( 4)
wherein an extinguishing and propellant container (2, 4) represent an independent unit and a standby in the pressurized control line (7) the valve (6) of the container (4) for propellant keeps closed until a control block (21) or the mechanical destruction of the control line (7) a pressure drop the valve (6) between the container (4) for the propellant and the extinguishing agent container (2) opens and the extinguishing agent (3) is distributed. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Auslösung des Steuerblocks (21) durch die mechanische Zerstörung von Seilen (20) erfolgt.Apparatus according to claim 1, characterized in that the triggering of the control block (21) by the mechanical destruction of ropes (20). Vorrichtung nach den Ansprüchen 1 und 2 dadurch gekennzeichnet, dass am Seil (20) mindestens eine Sollbruchstelle angeordnet istDevice according to claims 1 and 2, characterized in that at least one predetermined breaking point is arranged on the cable (20) Vorrichtung nach den Ansprüchen 1 und 2 dadurch gekennzeichnet, dass am Seil (20) ein Thermotrennglied (23) angeordnet ist.Device according to claims 1 and 2, characterized in that on the cable (20) a thermal isolator (23) is arranged. Vorrichtung nach den Ansprüchen 1 und 2 dadurch gekennzeichnet, dass ein oder mehrere Seile (20) horizontal oder/und vertikal im zu schützenden Bereich angeordnet sind.Device according to claims 1 and 2, characterized in that one or more cables (20) are arranged horizontally and / or vertically in the area to be protected. Vorrichtung nach Anspruch 1 dadurch gekennzeichnet, daß mehrere Lösch- und Treibmittelbehälter (2,4) mit Ventilen (6) und Steuerleitung (7) im zu schützenden Gebäude (1) angeordnet sind.Apparatus according to claim 1, characterized in that a plurality of extinguishing and propellant container (2,4) with valves (6) and control line (7) in the building to be protected (1) are arranged. Vorrichtung nach Anspruch 1 dadurch gekennzeichnet, daß in der Steuerleitung (7) eine Sollbruchstelle angeordnet ist.Apparatus according to claim 1, characterized in that in the control line (7) a predetermined breaking point is arranged. Vorrichtung nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet daß der Löschmittelbehälter (2) ein pulverförmiges Löschmittel (3) enthält.Device according to one of claims 1 to 7, characterized in that the extinguishing agent container (2) contains a pulverulent extinguishing agent (3). Vorrichtung nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß der Löschmittelbehälter (2) ein flüssiges Löschmittel enthält.Device according to one of claims 1 to 7, characterized in that the extinguishing agent container (2) contains a liquid extinguishing agent. Vorrichtung nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, daß die Öffnungen mit einer Berstfolie oder -scheibe (17) verschlossen sind.Device according to one of claims 1 to 9, characterized in that the openings are closed with a bursting foil or disc (17). Vorrichtung nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, daß die Öffnungen Düsen (5) darstellen.Device according to one of claims 1 to 10, characterized in that the openings represent nozzles (5).
EP20110175290 2010-08-25 2011-07-26 Device for extinguishing fires Not-in-force EP2422850B1 (en)

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Citations (3)

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EP1757331A2 (en) 2005-08-27 2007-02-28 Minimax Mobile Service GmbH & Co. KG Mobile fire extinguishing device

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DE20112739U1 (en) 2001-08-08 2002-01-31 Hemsing Sachverstaendigenbuero Extinguishing system for dangerous goods transporters
EP1757331A2 (en) 2005-08-27 2007-02-28 Minimax Mobile Service GmbH & Co. KG Mobile fire extinguishing device

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