EP0830181B1 - Vorrichtung zum Löschen von Feuer mittels eines Löschfluids und Löschdüsenkopf - Google Patents

Vorrichtung zum Löschen von Feuer mittels eines Löschfluids und Löschdüsenkopf Download PDF

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Publication number
EP0830181B1
EP0830181B1 EP96912027A EP96912027A EP0830181B1 EP 0830181 B1 EP0830181 B1 EP 0830181B1 EP 96912027 A EP96912027 A EP 96912027A EP 96912027 A EP96912027 A EP 96912027A EP 0830181 B1 EP0830181 B1 EP 0830181B1
Authority
EP
European Patent Office
Prior art keywords
extinguishing
fire
fluid
nozzle head
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
EP96912027A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0830181A1 (de
Inventor
Dirk Sprakel
Jan Sprakel
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.)
Fogtec Brandschutz GmbH and Co KG
Original Assignee
Fogtec Brandschutz GmbH and Co KG
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 Fogtec Brandschutz GmbH and Co KG filed Critical Fogtec Brandschutz GmbH and Co KG
Publication of EP0830181A1 publication Critical patent/EP0830181A1/de
Application granted granted Critical
Publication of EP0830181B1 publication Critical patent/EP0830181B1/de
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
    • A62C31/00—Delivery of fire-extinguishing material
    • A62C31/02—Nozzles specially adapted for fire-extinguishing
    • A62C31/05—Nozzles specially adapted for fire-extinguishing with two or more outlets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening

Definitions

  • the invention relates to a device for deleting Fire using an extinguishing fluid with the extinguishing fluid leading supply line, which is a pump with a
  • a plurality of extinguishing nozzle heads connects, each have at least one extinguishing nozzle which over at least one connection channel with the Supply line is connected, and with a Fire guard device, which in the event of a fire Release of extinguishing fluid from the extinguishing nozzles where at least one of the extinguishing nozzle heads Extinguishing fluid escapes from at least one of the Extinguishing nozzles by means of themselves when a Minimum pressure of the extinguishing fluid that opens automatically Closure device is closed.
  • Such Fire extinguishers are stationary in a building or mounted on a ship.
  • the Invention an extinguishing nozzle head for a device for Extinguishing fire of the aforementioned kind.
  • Known fire extinguishers are usually included a pressure generator, for example a pump, for Generate the extinguishing fluid pressure required for extinguishing and arranged in the rooms at risk of fire Extinguishing nozzles equipped which Supply line system connected to the pressure generator are.
  • a pressure generator for example a pump
  • the escape of Extinguishing fluid from the extinguishing nozzles through a Fire detection device triggered by each of the Extinguishing nozzles is assigned.
  • extinguishing nozzle head of the type mentioned is from the Publication of PCT application WO-A-94/16771 known.
  • the known extinguishing nozzle head is Connection channel through which the extinguishing nozzle to the Supply line is connected, in the idle state closed by a piston.
  • This piston is over a coil spring on one usually in such Extinguishing nozzle heads used as fire guards Glass bottle supported.
  • the well-known extinguishing nozzle head enables considerable Simplification in the design and control of Fire extinguishers in which a plurality of Extinguishing nozzle heads depending on the location of the fire must be opened.
  • the known extinguishing nozzle head due to the narrow Tolerance limits, within the spring and the piston must be designed and moved as prone to failure.
  • the object of the invention is to use simple, cost-effective means the reliability of a Fire extinguishing device of the type mentioned and one used in such a device To improve the extinguishing nozzle head.
  • This task is related to the erasing device a fire solved according to the invention in that each of the Extinguishing nozzles of the extinguishing nozzle head over at least two Connection channels connected to the supply line is, wherein one of the connection channels in the idle state through which a minimum pressure of the First closure device opening extinguishing fluids is closed and the other of the connecting channels in the Idle state by a second locking device is closed, which in the event of fire by the Fire guard device can be opened.
  • this task solved that the at least one extinguishing nozzle of the Extinguishing nozzle head via at least two connecting channels the supply line is connected, the one of the connection channels in the idle state through which Exceeding a minimum pressure of the extinguishing fluid opening first closure device is closed and the other the connection channels in the idle state by a second Closure device is closed, which with the Fire detection device is coupled such that the Fire guard device opening in case of fire the second closure device.
  • the leakage of Extinguishing fluid from the extinguishing nozzle head can only be brought about by the fact that for example, on a corresponding signal Fire guard device with the extinguishing nozzle head connected pressure generator is switched on. After this Switching on the pump increases the pressure within the Supply system. If one is exceeded certain limit pressure opens automatically appealing when the minimum pressure is exceeded Locking device.
  • the fire guard device a through Heat destructible element on which a movable valve piston is spring-loaded, which can be opened by the fire guard device Closing device forms.
  • the fire guard facility and the relevant one Locking device in a simple way Requires a very small installation space realize. This is especially true if that Element that can be destroyed by heat Glass bottle is.
  • the invention can be particularly advantageous Insert the extinguishing nozzle head when the extinguishing nozzles are out create an extinguishing mist on the extinguishing fluid. Using an extinguishing mist formed from an extinguishing fluid extinguish a fire with a minimum of extinguishing fluid.
  • the cost of an erase head according to the invention can be at the same time high operational reliability and robustness are kept particularly low in that the opening by increasing the pressure of the extinguishing fluid Closure device formed by a rupture disc is.
  • Such rupture discs can be replaced by an appropriate one Choice of materials and by choosing an appropriate one Sizing to the respective in a simple manner Operating conditions are adjusted.
  • the Pressure increase of the extinguishing fluid opening Closure device than by an elastic Restoring force loaded, movable valve body be formed, which is at least a first Has pressure area on which the fluid in a essentially directed against the restoring force Exerts pressure.
  • This embodiment of the invention can be used particularly advantageously when the Connection channel in a the first pressure area surrounding chamber opens and if over a section the first pressure surface opens into the chamber Connection channel is closable.
  • by a single movement of the Valve body at least one of the connecting channels openable and at least one more of the Connection channels can be closed. In both cases it is possible depending on that in the Supply line pressure prevailing the exit of Control extinguishing fluid from different nozzles. This is particularly advantageous if the invention Extinguishing device with extinguishing fluid mist used because in this case the composition of the Extinguishing mist can be controlled in a simple manner can.
  • the extinguishing nozzle head shown in Figure 1 has a conical bevelled peripheral surface 2, in the receptacles 3 for Extinguishing nozzles, not shown, are molded.
  • the recordings 3 have internal threads 4 for this purpose, into which the Extinguishing nozzles over appropriate trained on them External threads can be screwed in.
  • the Extinguishing nozzle head 1 has a central bore 5 in which a axially displaceable valve piston 6 is arranged.
  • the bore 5 has a section 8 opposite one the remaining sections of hole 5 larger Has diameter and in the wall Internal thread 9 is molded.
  • the protective cap 10 of the fire guard device 11 protrudes from the face 7 of the extinguishing nozzle head freely into the Room.
  • a flask-shaped glass bottle 13 used on the the extinguishing nozzle head 1 associated end 14 of the Valve piston 6 is supported.
  • the valve piston 6 has an axial, from its rear, associated with the bottom 14 of the bore 5 End face outgoing blind bore 15 into which middle region of the valve piston 5 arranged radially directed to the peripheral surface of the valve piston 6 Through holes 16 open.
  • the through holes 16 connect the blind hole 15 of the valve piston 6 with an annular chamber 17 molded into the bore 5 to which the recordings 3 for the extinguishing nozzles, not shown are connected.
  • valve piston 6 in its rear area a section 18 with such reduced diameter on that in the central Bore 5 of the extinguishing nozzle head 1 forms a free space 19 is.
  • this free space 19 opens Connection channel 20, via the one on the back of the Extinguishing nozzle head trained connection 21 for a not shown supply line with the central bore 5th the extinguishing nozzle head 1 is connected.
  • the quiescent state of the extinguishing nozzle head 1 shown is Clearance 19 of the central bore 5 through one of the Valve piston 6 worn ring seal 22 with respect to Annular chamber 17 sealed.
  • the blind hole 15 of the valve piston 6 is through a Rupture disk 23 opposite a rear free space 24 the central bore 5 of the extinguishing nozzle head 1 is sealed, the between the rupture disc 23 and the bottom 14 of the central bore 5 is formed.
  • a coil spring not shown, which in the Idle state of the extinguishing nozzle head 1 in the direction of Glass bottle 13 directed spring force on the valve piston 6 exercises.
  • the extinguishing nozzle head 51 shown in FIG. 2 has receptacles 53 molded into its conically tapered circumferential surface 52, into which extinguishing nozzles, not shown, can be screwed.
  • the extinguishing nozzle head 51 like the extinguishing nozzle head 1 of FIG. 1, has a central bore 54 in which a piston 55 is arranged to be axially displaceable.
  • the shape of the piston 55 corresponds to that of the piston 6 shown in FIG. 1.
  • a section 56 of reduced diameter arranged in the rear region of the piston 55 forms a free space 56 into which a first connecting channel 57 opens. At its other end, the connection channel 57 is connected to a connection 58 for a supply line, not shown.
  • a free space 60 is formed between the rear end of the piston 55 and the Bottom 59 of the bore 54.
  • a coil spring not shown arranged which one towards the tip 61 of the Piston 55 directed compressive force exerts on this.
  • the tip 62 of the piston 55 is on a glass bottle 66 supported in the recess 67 of a protective cap 68 sits.
  • the protective cap 68 is like that in FIG. 1 shown cap 11, in the expanded diameter end section 69 of the central bore 54 screwed in.
  • the receptacles 53 for the extinguishing nozzles, not shown, are via connection channels, not shown, with the central one Bore 54 connected in such a way that in the case of FIG shown rest position of the connecting channel 57 opposite the recordings 53 is sealed.
  • connection is via a second connection channel 70 58 for the supply line, not shown, with a further recording 71 connected.
  • a second connection channel 70 58 for the supply line, not shown, with a further recording 71 connected.
  • the bottom 72 of the Recording 71 is another connecting channel 73 molded into the receptacle 71 with the receptacles 53 for connects the extinguishing nozzles, not shown.
  • a rupture disk 74 can be used such that the Rupture disk 74 rests on the bottom 72 of the receptacle 71 and seals the connecting channel 73.
  • screw-in plug 75 becomes the recording 71 closed, the plug 75 at the same time ensures that the rupture disc 74 on the bottom 72 the recording 71 is held.
  • the device according to the invention explained here for Extinguishing fire with extinguishing fluid is always with a plurality of extinguishing nozzle heads 1 or 51 equipped, each spaced apart in one fire hazardous areas are arranged.
  • the supply lines shown are the extinguishing nozzle heads 1 and 51 with a likewise not shown Pressure generator, for example a pump or one Pressure bottle, connected.
  • the pressure of the extinguishing fluid within the supply line system a surveillance and also not shown Control device controls. At rest the Device prevails in the supply line system relatively low pressure, for example 5 to 8 bar.
  • the one associated with the discharge of the extinguishing fluid Pressure drop in the supply line system is determined by the Monitoring and control device, not shown detected. This then gives a control signal the pressure generator, also not shown, the then the pressure of the extinguishing fluid within the Supply line system increased again.
  • the Pressure within the supply line system certain limit, for example 40 bar has burst at those extinguishing nozzle heads whose Glass bottles 14 not at the start of the fire the rupture disks have been destroyed then penetrates through the second connecting channel 25, the blind hole 15, the through hole 16 and the Annular chamber 17 in the receptacles 3 and passes through the extinguishing nozzles, not shown.
  • extinguishing nozzle heads 51 One equipped with the extinguishing nozzle heads 51 The device of the type explained here works in principle as well as with the above Extinguishing nozzle heads 1 equipped device. Also at the extinguishing nozzle heads 51 is destroyed when the Glass bottle 66 the first connecting channel 57 through the associated with the destruction of the glass bottle 66 Displacement of the piston 55 over the free space 56 and Ring channel, not shown, connected to the receptacles 53. From this moment on, extinguishing fluid flows into the Recordings 53 screwed-in, not shown extinguishing nozzles.

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)
  • Nozzles (AREA)
EP96912027A 1995-04-22 1996-04-20 Vorrichtung zum Löschen von Feuer mittels eines Löschfluids und Löschdüsenkopf Expired - Lifetime EP0830181B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19514939 1995-04-22
DE19514939A DE19514939C2 (de) 1995-04-22 1995-04-22 Löschdüsenkopf
PCT/EP1996/001665 WO1996033775A1 (de) 1995-04-22 1996-04-20 Vorrichtung zum löschen von feuer mittels eines löschfluids

Publications (2)

Publication Number Publication Date
EP0830181A1 EP0830181A1 (de) 1998-03-25
EP0830181B1 true EP0830181B1 (de) 2001-07-18

Family

ID=7760182

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96912027A Expired - Lifetime EP0830181B1 (de) 1995-04-22 1996-04-20 Vorrichtung zum Löschen von Feuer mittels eines Löschfluids und Löschdüsenkopf

Country Status (7)

Country Link
US (1) US5967239A (ja)
EP (1) EP0830181B1 (ja)
JP (1) JP3792720B2 (ja)
AU (1) AU5501696A (ja)
DE (4) DE19514939C2 (ja)
ES (1) ES2161356T3 (ja)
WO (1) WO1996033775A1 (ja)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI104152B (fi) * 1997-06-13 1999-11-30 Marioff Corp Oy Suutin ja palonsammutuslaitteisto
DE19739457C2 (de) * 1997-09-03 2002-03-14 Feuerschutz G Knopf Gmbh Verfahren und Vorrichtung zur Brandbekämpfung durch eine dynamische Löschmittelanwendung
DE19841875A1 (de) * 1998-09-11 2000-03-23 Fogtec Brandschutz Gmbh Löschdüsenkopf zum Ausbringen von Löschflüssigkeit
DE19841876C2 (de) * 1998-09-11 2002-07-18 Fogtec Brandschutz Gmbh & Co Vorrichtung zur Erzeugung von Löschschaum
DE19841874A1 (de) 1998-09-11 2000-03-23 Fogtec Brandschutz Gmbh Verfahren und Vorrichtung zum Bekämpfen von Bränden
DE19935308B4 (de) * 1999-07-28 2004-04-15 Kidde-Deugra Brandschutzsysteme Gmbh Brandlöscheinrichtung
DE19948324C2 (de) * 1999-10-07 2001-08-09 Fogtec Brandschutz Gmbh & Co Vorrichtung zum Löschen eines Feuers
DE19949277C2 (de) * 1999-10-13 2001-08-16 Fogtec Brandschutz Gmbh & Co Vorrichtung zum Löschen von Feuer
GB0218796D0 (en) * 2002-08-13 2002-09-18 Advanced Motion Technologies I Improved apparatus and method for suppressing fires
FI20030620A (fi) * 2003-04-24 2004-10-25 Marioff Corp Oy Laitteisto väliaineen kulkutien sulkemiseksi ja suihkutuspää
DE102005014275B4 (de) * 2005-03-24 2008-06-19 Fogtec Brandschutz Gmbh & Co. Kg Servicefreundliches Ventil für Brandbekämpfungssysteme
US20080000649A1 (en) * 2006-06-08 2008-01-03 Fire Quench Pty Ltd. Method, system and sprinkler head for fire protection
NZ576338A (en) * 2006-09-19 2012-02-24 Hypro Llc Spray head characterised by a cover for preventing the nozzle orfice from blockage
EP2015851B1 (de) * 2006-10-30 2010-09-22 Fogtec Brandschutz GmbH & Co. KG Frostsicherer behälter für löschfluid
EP2822661B1 (en) 2012-03-05 2020-02-26 Marioff Corporation OY Water mist fire suppression sprinkler
GB2527863B (en) * 2014-10-20 2018-04-04 Knox Fire & Security Ltd Fire suppression system
USD863501S1 (en) 2017-10-12 2019-10-15 Knox Fire And Security Limited Fire suppression nozzle

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE512544C (de) * 1930-11-13 Paul Lechler Fa Fluessigkeitszerstaeuber
US3182867A (en) * 1963-11-18 1965-05-11 Walker Mfg Co Dispensing mechanism
AU440749B2 (en) * 1971-02-22 1973-09-24 B. F. A. Products Pty. Ltd An improved firehose nozzle
US3791450A (en) * 1972-04-03 1974-02-12 E Poitras On-off fire sprinkler
JPS57502220A (ja) * 1981-01-23 1982-12-16
US4700894A (en) * 1986-07-03 1987-10-20 Grzych Leo J Fire nozzle assembly
RU2077905C1 (ru) * 1991-02-28 1997-04-27 Сундхольм Геран Распыляющая головка и система пожаротушения
FI915669A0 (fi) * 1991-11-26 1991-11-29 Goeran Sundholm Eldslaeckningsanordning.
US5215254A (en) * 1992-07-23 1993-06-01 Spraying Systems Co. Self cleaning spring-loaded nozzle
ES2118970T3 (es) * 1992-09-15 1998-10-01 Sundholm Goeran Boquilla provista de muelle helicoidal que imprime al liquido un movimiento de remolino.
DE4239545A1 (de) * 1992-11-25 1994-05-26 Alba Ind & Umweltschutzservice Hochdruckpistole für Unterwasserarbeiten
FI91038C (fi) * 1993-01-29 1994-05-10 Goeran Sundholm Suutinpää
SE501267C2 (sv) * 1993-04-23 1994-12-19 Htc Aamaal Ab Dyshållare

Also Published As

Publication number Publication date
DE19514939A1 (de) 1996-10-24
DE59607325D1 (de) 2001-08-23
DE59607094D1 (de) 2001-07-19
EP0830181A1 (de) 1998-03-25
DE29518911U1 (de) 1996-01-25
JPH11503945A (ja) 1999-04-06
DE19514939C2 (de) 1997-09-18
US5967239A (en) 1999-10-19
AU5501696A (en) 1996-11-18
JP3792720B2 (ja) 2006-07-05
ES2161356T3 (es) 2001-12-01
WO1996033775A1 (de) 1996-10-31

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