EP1260248B1 - Méthode et dispositif pour la commande d'une installation d'extinction d'incendie à gaz sous pression - Google Patents

Méthode et dispositif pour la commande d'une installation d'extinction d'incendie à gaz sous pression Download PDF

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Publication number
EP1260248B1
EP1260248B1 EP02010558A EP02010558A EP1260248B1 EP 1260248 B1 EP1260248 B1 EP 1260248B1 EP 02010558 A EP02010558 A EP 02010558A EP 02010558 A EP02010558 A EP 02010558A EP 1260248 B1 EP1260248 B1 EP 1260248B1
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EP
European Patent Office
Prior art keywords
control
valve
fire
gas
pressure
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.)
Expired - Lifetime
Application number
EP02010558A
Other languages
German (de)
English (en)
Other versions
EP1260248A2 (fr
EP1260248A3 (fr
Inventor
Norbert Büll
Michael Kling
Werner Schmidt
Ulf Dr. Schremmer
Stephan Schöttler
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.)
Total Walther GmbH Feuerschutz und Sicherheit
Total Feuerschutz GmbH
Original Assignee
Total Walther GmbH Feuerschutz und Sicherheit
Total Feuerschutz GmbH
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Publication date
Application filed by Total Walther GmbH Feuerschutz und Sicherheit, Total Feuerschutz GmbH filed Critical Total Walther GmbH Feuerschutz und Sicherheit
Publication of EP1260248A2 publication Critical patent/EP1260248A2/fr
Publication of EP1260248A3 publication Critical patent/EP1260248A3/fr
Application granted granted Critical
Publication of EP1260248B1 publication Critical patent/EP1260248B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C99/00—Subject matter not provided for in other groups of this subclass
    • A62C99/0009—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames
    • A62C99/0018—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames using gases or vapours that do not support combustion, e.g. steam, carbon dioxide

Definitions

  • the invention relates to a method and apparatus for controlling a high-pressure gas fire extinguishing system by means of a controlled by a fire alarm control panel electro-pneumatic control device, wherein the gaseous extinguishing agent stored under high pressure in at least one gas cylinder with a quick opening valve and the extinguishing agent in the event of a fire behind the quick opening valve on a reduced mean pressure and then behind at least one a control valve controlled range valve a second time to a low pressure and is supplied with this pressure with open quick-opening and range valves to the extinguishing nozzles.
  • Such fire extinguishing systems are operated for economic reasons with an extinguishing agent stored under high pressure, such as argon, argonite, nitrogen, inergen or the like (US Pat. DE 42 20 062 C2 ).
  • the extinguishing agent is stored in the high-pressure gas cylinders in compressed form. With these permanent gases, the available gas quantity increases with the applied pressure, so that the storage under high pressure is particularly economical.
  • the older system was operated at 200 bar and approved system components are available for this pressure and application.
  • the preambles of claims 1 and 8 are based on a gas fire extinguishing system DE 42 20 062 A1 ,
  • This fire extinguishing system has numerous gas cylinders containing the extinguishing agent.
  • the gas cylinders are each provided with a quick opening valve, which is connected via a pressure reducing device with a range valve.
  • a control bottle is present in each case, which is pneumatically connected to an opening device.
  • the opening device actuates the area valve and, on the other hand, supplies a signal to a control line, which indicates that an actuation process has taken place.
  • the control line then causes the quick-opening valves to open, so that the quenching gas can flow into the quenching line via the opened range valve.
  • the quick opening valve is first opened, however, it can not be ruled out that faults occur in which the opening of the range valve is signaled, although it has actually not been done.
  • the gaseous extinguishing agent is supplied to the area to be extinguished in the event of fire via a range valve connected to a collecting pipe.
  • a safety line led to the outside is provided at the end of the collecting pipe, which ensures that the gas flow certainly reaches the outside.
  • the invention has for its object to avoid a guided outdoors safety line and ensure that no abnormal pressure builds up in the pipe system in the event of a fault.
  • This object is achieved in that the quick opening valve is opened by a positive control only after the opening of the associated area valve.
  • the area valve opened by the control gas emits a control signal to the fire alarm control unit, from which a control signal to a solenoid valve in the electropneumatic control device for opening the quick-opening valve goes off.
  • the area valve opened by the control gas is actuated by means of a pneumatic pulse within the range pneumatic-mechanical control device opens a pneumatic valve and thus releases the control gas to open the quick-opening valve.
  • Both positive controls ensure that the quick-opening valves of the high-pressure gas cylinders are opened only when the associated range valve is open.
  • a further pressure reducing device 37 is installed immediately behind the area valve 6, with which the gaseous extinguishing agent is reduced from 200 bar to eg 60 bar. With this lower pressure, the extinguishing agent reaches the extinguishing nozzles.
  • a control gas control bottle 12 is provided with a cylinder valve 13 and an electrical release 14 from the fire panel 10 via an electrical Control line 15 is controlled.
  • a pneumatic control line 16 is guided into the electropneumatic control device 11, where the control line 16 is provided with a solenoid valve 17 with an electric release 18 and with a pneumatic cylinder control unit 23.
  • the trigger 18 is controlled by the fire panel 10 by means of an electrical control line 19.
  • a control line 24 is guided via branch lines 25 to the triggers 3 of the quick-opening valves 2.
  • a pneumatic control line 26 is branched off behind the solenoid valve 17 from the control line 16 and led to the pneumatic trigger 7 of the range valve 6.
  • a fire alarm 36 via a control line 33, a fire signal to the fire panel 10, which in turn opens the cylinder valve 13 by means of the control line 15 and the shutter 14.
  • Electropneumatic forced control according to FIG. 1.
  • the control line 16 is provided with a solenoid valve 20 with an electrical release 21, which is connected by means of an electrical control line 22 to the fire panel.
  • the solenoid valve 20 has a dual function in this embodiment. It usually acts as a check valve and in a special case as a stop valve, as will be described in more detail below. For the special case, a stop button 35 and a control line 34 is provided.
  • This forced control ensures at all times that first the range valve 6 opens and then the range valves 2 are then opened.
  • a pneumatic-mechanical positive control of the pneumatic trigger 7 is provided with a pneumatic valve 28, from which once a bypass line 29 for Control line 26 goes off and on the other hand, a pneumatic control line 30 is guided to a pneumatic control valve 27 in the control line 16.
  • a solenoid valve 20 is installed in the control line 16, which is controlled via the control line 22 of the fire panel 10 and kept closed only in special cases on the stop button 35.
  • An electrical release 21 is connected by means of an electrical control line 22 to the fire panel 10. This required for the special case solenoid valve 20 will be described in more detail below.
  • This solenoid valve 20 is not always installed, but only required for the special case.
  • the fire panel 10 opens the signal from the fire alarm 36 by means of the control line 15, the cylinder valve 13, so that the control gas flows to the closed solenoid valve 17.
  • the fire panel 10 opens the solenoid valve 17 by means of the control line 19, so that the control gas flows to the closed pneumatic control valve 27.
  • the control gas via the control line 26 and the pneumatic trigger 7 open the range valve 6 and simultaneously actuate the pneumatic valve 28 mechanically.
  • the pneumatic valve 28 is opened and the control gas is supplied by means of the control line 30 to the pneumatic valve 27 and this opened.
  • the control gas flows to the bottle control unit 23, which now opens the quick-opening valves 2, so that the extinguishing agent can be released.
  • a special case is indicated. This can then occur if, for example, in case of fire after triggering of the system on the fire panel 10 is recognized that, for example, in the danger area are still persons who need to be rescued. In this case, for example, due to the timing of the quick opening valves by hand, the stop button 35 is pressed and held until the persons are rescued. If the stop button 35 is pressed, via the control line 34, a signal to the fire panel 10, which operates as follows.

Landscapes

  • 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)
  • Control Of Fluid Pressure (AREA)
  • Fluid-Driven Valves (AREA)

Claims (12)

  1. Méthode pour la commande d'une installation d'extinction d'incendie à gaz sous haute pression par l'intermédiaire d'un moyen de commande électropneumatique (11) influencé par une centrale d'alarme d'incendie adressable (10), l'extincteur gazeux étant stocké sous haute pression dans au moins une bouteille à gaz (1) comprenant une soupape à ouverture rapide (2) et, en cas d'incendie, étant réduit en pression en aval de ladite soupape à ouverture rapide (2) et étant alimenté aux buses d'extinction avec les soupapes à ouverture rapide et les soupapes de zone (2, 6),
    caractérisée en ce que
    en cas d'incendie, la pression dudit extincteur est d'abord réduite à une pression moyenne et est réduite une deuxième fois à une pression basse en aval d'au moins une soupape de zone (6) commandée par un gaz de commande, ledit extincteur étant alimenté aux buses d'extinction à cette pression, et qu'une commande forcée ne permet l'ouverture de ladite soupape à ouverture rapide (2) qu'après la soupape de zone (6) associée est dans l'état ouvert.
  2. Méthode selon la revendication 1, dans laquelle, en cas d'incendie, la centrale d'alarme d'incendie adressable (10) fournit un signal de commande à la soupape de gaz de commande (13) et simultanément fournit un signal d'ouverture à une électrovanne (17) au sein du moyen de commande électropneumatique (11) commandant l'ouverture de la soupape de zone (6), caractérisée en ce qu'en cas d'une commande forcée électropneumatique, ladite soupape de zone (6) ouverte par le gaz de commande fournit un signal de commande à ladite centrale d'alarme d'incendie adressable (10) qui fournit un signal de commande à une électrovanne (20) dans le moyen de commande (11) pour commander ladite soupape à ouverture rapide (2).
  3. Méthode selon la revendication 1 ou 2, caractérisée en ce que le signal de commande est généré par un interrupteur fin de course (31) de ladite soupape de zone (6).
  4. Méthode selon la revendication 2 ou 3, caractérisée en ce que les deux électrovannes (17, 20) dudit moyen de commande sont ouvertes par des déclencheurs électriques (18, 21).
  5. Méthode selon la revendication 1, dans laquelle, en cas d'incendie, la centrale d'alarme d'incendie adressable (10) fournit un signal de commande à ladite soupape de gaz de commande (13) et simultanément fournit un signal d'ouverture à une électrovanne (17) au sein du moyen de commande électropneumatique (11) pour ouvrir la soupape de zone, caractérisée en ce qu'en cas d'une commande forcée pneumatique-mécanique, ladite soupape de zone (6) ouverte par le gaz de commande ouvre une soupape pneumatique dans le moyen de commande électropneumatique (11) au moyen d'une impulsion pneumatique et, par cela, déclenche le gaz de commande pour ouvrir ladite soupape à ouverture rapide (2).
  6. Méthode selon la revendication 4 ou 5, caractérisée en ce que pour un cas extraordinaire, une électrovanne (20) dans le moyen de commande électropneumatique est maintenue fermée pour une durée déterminée, soit automatiquement, soit manuellement, avant l'ouverture de ladite soupape à ouverture rapide (2).
  7. Méthode selon la revendication 6, caractérisée en ce que le déclenchement de ladite électrovanne (20) est temporisé pour une durée prédéterminée par une touche d'arrêt (35), un moyen de temporisation, ou similaire.
  8. Installation d'extinction d'incendie à gaz sous haute pression comprenant une centrale d'alarme d'incendie adressable (10), un moyen de commande électropneumatique (11), au moins une bouteille de gaz (1) avec une soupape à ouverture rapide (2) dans lequel l'extincteur gazeux peut être stocké sous haute pression, une conduite de distribution (5) prévue d'un moyen de réduction de pression (4) et ayant au moins une soupape de zone (6) de laquelle s'étend une conduite d'extinction (9),
    caractérisée en ce que
    un autre moyen de réduction de pression est prévu dans la conduite d'extinction (9), et qu'une commande forcée est prévue qui ne permet l'ouverture de ladite soupape à ouverture rapide (2) que la soupape de zone (6) associée est dans l'état ouvert.
  9. Installation d'extinction d'incendie à gaz sous haute pression selon la revendication 8, caractérisée en ce qu'en cas d'une commande forcée électromagnétique, une ligne électrique de commande (32) s'étend d'un interrupteur de fin de course (31) de ladite soupape de zone (6) jusqu'à la centrale d'alarme d'incendie adressable (10) et, de celle-ci, une autre line électrique de commande (22) est menée jusqu'à un déclencheur électrique (21) d'une électrovanne (20) dans une conduite de commande (16) alimentant le moyen de commande (11) en gaz de commande.
  10. Installation d'extinction d'incendie à gaz sous haute pression selon la revendication 8, caractérisée en ce qu'en cas d'une commande forcée pneumatique-mécanique, une conduite de commande (30) s'étend d'une soupape pneumatique (28) du déclencheur pneumatique (7), prévue d'une conduite de dérivation (29), jusqu'à une soupape de commande pneumatique (27) dans une conduite de commande (16) alimentant le moyen de commande (11) en gaz de commande.
  11. Installation d'extinction d'incendie à gaz sous haute pression selon la revendication 10, caractérisée en ce qu'une électrovanne (20) avec un déclencheur électrique (21) est installée dans ladite conduite de commande (16), à laquelle est connectée une ligne électrique de commande (22) qui est connectée à la centrale d'alarme d'incendie adressable (10).
  12. Installation d'extinction d'incendie à gaz sous haute pression selon l'une quelconque des revendications 8 à 11, caractérisée en ce que, pour maintenir ladite électrovanne (20) fermée pour un peu de temps, une ligne de commande (34) s'étendant d'une touche d'arrêt (35), ou similaire, est menée dans ladite centrale d'alarme d'incendie adressable (10).
EP02010558A 2001-05-23 2002-05-10 Méthode et dispositif pour la commande d'une installation d'extinction d'incendie à gaz sous pression Expired - Lifetime EP1260248B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10125109 2001-05-23
DE10125109A DE10125109A1 (de) 2001-05-23 2001-05-23 Verfahren und Vorrichtung zur Steuerung einer Gas-Hochdruck-Feuerlöschanlage

Publications (3)

Publication Number Publication Date
EP1260248A2 EP1260248A2 (fr) 2002-11-27
EP1260248A3 EP1260248A3 (fr) 2004-01-21
EP1260248B1 true EP1260248B1 (fr) 2010-06-09

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ID=7685843

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Application Number Title Priority Date Filing Date
EP02010558A Expired - Lifetime EP1260248B1 (fr) 2001-05-23 2002-05-10 Méthode et dispositif pour la commande d'une installation d'extinction d'incendie à gaz sous pression

Country Status (6)

Country Link
EP (1) EP1260248B1 (fr)
AT (1) ATE470485T1 (fr)
DE (2) DE10125109A1 (fr)
DK (1) DK1260248T3 (fr)
ES (1) ES2347219T3 (fr)
PT (1) PT1260248E (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2424184A (en) * 2005-03-14 2006-09-20 Kidde Ip Holdings Ltd Inert gas fire suppression system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3923935A1 (de) * 1989-07-19 1991-01-24 Hekatron Gmbh Feuerloeschanlage fuer gasfoermige loeschmittel
DE4220062C2 (de) 1992-06-19 1996-02-22 Total Feuerschutz Gmbh Feuerlöschanlage mit einem Hochdruckgas als Löschmittel
DE4302334A1 (de) * 1993-01-28 1994-08-04 G & S Brandschutz Gmbh Feuerlöschanlage für gasförmige Löschmittel
DE20000365U1 (de) * 2000-01-11 2001-05-23 Total Feuerschutz Gmbh Gas-Hochdruck-Feuerlöschanlage

Also Published As

Publication number Publication date
ATE470485T1 (de) 2010-06-15
DE10125109A1 (de) 2002-12-05
ES2347219T3 (es) 2010-10-27
DE50214479D1 (de) 2010-07-22
DK1260248T3 (da) 2010-10-04
EP1260248A2 (fr) 2002-11-27
EP1260248A3 (fr) 2004-01-21
PT1260248E (pt) 2010-09-08

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