EP1757331B1 - Mobile Feuerlöscheinrichtung - Google Patents

Mobile Feuerlöscheinrichtung Download PDF

Info

Publication number
EP1757331B1
EP1757331B1 EP06017154A EP06017154A EP1757331B1 EP 1757331 B1 EP1757331 B1 EP 1757331B1 EP 06017154 A EP06017154 A EP 06017154A EP 06017154 A EP06017154 A EP 06017154A EP 1757331 B1 EP1757331 B1 EP 1757331B1
Authority
EP
European Patent Office
Prior art keywords
valve
fire extinguishing
pressure
extinguishing device
explosive
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.)
Not-in-force
Application number
EP06017154A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1757331A2 (de
EP1757331A3 (de
Inventor
Fried Schütze
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.)
Minimax Mobile Services & Co KG GmbH
Original Assignee
Minimax Mobile Services & Co KG GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Minimax Mobile Services & Co KG GmbH filed Critical Minimax Mobile Services & Co KG GmbH
Priority to PL06017154T priority Critical patent/PL1757331T3/pl
Publication of EP1757331A2 publication Critical patent/EP1757331A2/de
Publication of EP1757331A3 publication Critical patent/EP1757331A3/de
Application granted granted Critical
Publication of EP1757331B1 publication Critical patent/EP1757331B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C13/00—Portable extinguishers which are permanently pressurised or pressurised immediately before use
    • A62C13/006—Portable extinguishers which are permanently pressurised or pressurised immediately before use for the propulsion of extinguishing powder
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C13/00—Portable extinguishers which are permanently pressurised or pressurised immediately before use
    • A62C13/02—Portable extinguishers which are permanently pressurised or pressurised immediately before use with pressure gas produced by chemicals
    • A62C13/22—Portable extinguishers which are permanently pressurised or pressurised immediately before use with pressure gas produced by chemicals with incendiary substances producing pressure gas

Definitions

  • the innovation relates to a mobile fire-extinguishing device for spraying pulverulent extinguishing agent by a compressed gas according to the preamble of the first protection claim.
  • the innovation is suitable for mobile fire-fighting equipment, in which a powdered extinguishing agent is transported by a compressed gas from a pressure vessel to the source of fire.
  • Out DE 101 34 610 C1 is a fire extinguishing system with at least one pressurized extinguishing agent, in particular nitrogen gas receiving pressure vessel with a dispensing valve known.
  • Such fire extinguishing systems usually have a very complicated mechanism to avoid pressure losses and to allow rapid release of the fire extinguishing agent.
  • Out DE-OS 2 201 606 is a fire extinguishing device for controlling large fires, especially aircraft fires, known, the extinguishing agent is located in an extinguishing agent tank and is ejected from this by a pivotable jet pipe by means of fire extinguishing units, jet or centrifugal pumps or gas generator.
  • the extinguishing agent is accelerated by means of one or more pyrotechnic propellant charges or rocket engines.
  • the transition between the extinguishing agent tank and the jet pipe is closed by means of a rupture disk.
  • Out DE 26 35 076 A1 is a mobile fire extinguishing device for spraying powdered extinguishing agent by a compressed gas from a pressure vessel containing the compressed gas and the powdered extinguishing agent, wherein the container at least one valve between the pressure vessel and the engaging means is disposed and between the explosive device with rupture disc and the connection line for the attack means a valve is arranged and the disintegrant is triggered with the opening of the valve.
  • a disadvantage of this solution is that the explosive effect of the disintegrant acts against the contents of the pressure vessel and there is an undesirable pressure build-up in the container. It is therefore an object of the invention to provide a mobile fire-extinguishing device for spraying powdered extinguishing agent by a pressurized gas, which is preceded by an undesirable pressure build-up in the container.
  • a valve is arranged at a pressure vessel containing the compressed gas and the powdery extinguishing agent.
  • This valve may advantageously constitute a ball valve and does not have to meet the highest requirements for a tight-fitting valve.
  • a rupture disc is arranged, is achieved by the tightness of the pressure vessel.
  • a disintegrating means for example an electric piezoelectric igniter, arranged, which is triggered in the case of an extinguishing agent and when opening the valve.
  • a branch can be arranged for a plurality of connecting lines.
  • a common triggering mechanism may be arranged. This may be a push button, the pressure on the valve is opened on an electrical basis and the piezoelectric igniter comes into action, but this can also be a lever which is then actuated when the attacking means is directed to the fire, so that with the operation of the lever the valve is opened and a current activates the piezoelectric igniter.
  • Explosive means and valve are to be operated simultaneously in the present solution, so that the explosive effect does not act against the contents of the pressure vessel.
  • the pressure in front of the valve is about 10 bar lower than the bursting pressure of the rupture disk. It is advantageous to design the rupture disk for a pressure of 40 bar.
  • FIG. 1 shows the schematic representation of a mobile fire extinguisher with a branch and multiple leads, while the FIG. 2 a fire extinguisher with only one connection line shows.
  • the FIG. 1 shows the pressure vessel 1, from which a line 2 leads to the ball valve 3, which is connected to a trigger mechanism 7, a push button, the simultaneously sets a piezoelectric igniter 4 with the disintegrating means in operation, which is arranged in front of a rupture disk 5.
  • the rupture disk 5 is designed for a pressure of 40 bar and prevents the pressurized extinguishing powder, which can drop from the quenching gas, in the present case N 2 , via the ball valve 3 in case of leakage of the same. This ensures that the pressure of the nitrogen in the extinguishing agent tank is always constant. In the present case, this pressure is 30 bar.
  • the trigger mechanism 6 In the event of a fire, the trigger mechanism 6 is operated, whereupon the explosion of the explosive means 4 leads to the destruction of the rupture disk 5 and at the same time the ball valve is opened, so that the extinguishing agent in the direction of the connecting line 6 escape and can extinguish the fire.
  • the fire extinguishing device has the advantage that the pressure of the extinguishing gas in the extinguishing agent tank 1, despite a little good closing valve 3 remains constant until the trigger mechanism is actuated. This makes it possible to use even less complicated and pressure-tight valves 3 for closing the extinguishing agent container 1.

Landscapes

  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
  • Fire Alarms (AREA)
  • Safety Valves (AREA)
  • Fire-Extinguishing Compositions (AREA)
EP06017154A 2005-08-27 2006-08-17 Mobile Feuerlöscheinrichtung Not-in-force EP1757331B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL06017154T PL1757331T3 (pl) 2005-08-27 2006-08-17 Mobilne urządzenie gaśnicze

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202005013551U DE202005013551U1 (de) 2005-08-27 2005-08-27 Mobile Feuerlöscheinrichtung

Publications (3)

Publication Number Publication Date
EP1757331A2 EP1757331A2 (de) 2007-02-28
EP1757331A3 EP1757331A3 (de) 2009-10-14
EP1757331B1 true EP1757331B1 (de) 2012-01-18

Family

ID=35433653

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06017154A Not-in-force EP1757331B1 (de) 2005-08-27 2006-08-17 Mobile Feuerlöscheinrichtung

Country Status (7)

Country Link
EP (1) EP1757331B1 (da)
CN (1) CN1919379B (da)
AT (1) ATE541619T1 (da)
DE (1) DE202005013551U1 (da)
DK (1) DK1757331T3 (da)
ES (1) ES2378385T3 (da)
PL (1) PL1757331T3 (da)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010035525B4 (de) 2010-08-25 2012-06-14 Minimax Gmbh & Co. Kg Vorrichtung zum Löschen von Bränden
EP2520340B1 (en) * 2011-05-04 2018-07-04 Kidde Technologies, Inc. Manual release for a pyrotechnical actuator fired by a piezoelectric generator or igniter
CN115614522B (zh) * 2022-09-26 2025-12-05 北京科技大学 泄爆装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2635076A1 (de) * 1976-08-04 1978-02-09 Preussag Ag Feuerschutz Brandmelde- und loescheinrichtung
CN2089819U (zh) * 1991-05-06 1991-12-04 南京市江浦消防器材厂 一种新型推车式干粉灭火器
FI113155B (fi) * 2002-01-17 2004-03-15 Marioff Corp Oy Venttiilielin
FI118987B (fi) * 2002-04-19 2008-06-13 Marioff Corp Oy Venttiilielin

Also Published As

Publication number Publication date
ATE541619T1 (de) 2012-02-15
CN1919379B (zh) 2011-07-27
EP1757331A2 (de) 2007-02-28
ES2378385T3 (es) 2012-04-11
CN1919379A (zh) 2007-02-28
DK1757331T3 (da) 2012-04-10
EP1757331A3 (de) 2009-10-14
PL1757331T3 (pl) 2012-06-29
DE202005013551U1 (de) 2005-11-17

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