WO1995032761A1 - Feuerlöschgenerator mit einem gehäuse - Google Patents
Feuerlöschgenerator mit einem gehäuse Download PDFInfo
- Publication number
- WO1995032761A1 WO1995032761A1 PCT/EP1995/002084 EP9502084W WO9532761A1 WO 1995032761 A1 WO1995032761 A1 WO 1995032761A1 EP 9502084 W EP9502084 W EP 9502084W WO 9532761 A1 WO9532761 A1 WO 9532761A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- fire extinguisher
- housing
- generator according
- ignition
- extinguisher generator
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
-
- 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
-
- 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
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C5/00—Making of fire-extinguishing materials immediately before use
- A62C5/006—Extinguishants produced by combustion
Definitions
- the invention relates to a fire extinguisher generator according to the preamble of claim 1.
- a fire extinguishing device which shows a fire extinguisher generator, the cylindrical housing of which contains, among other things, an aerosol generating set.
- This set is produced as a shaped body. It contains components from which an aerosol is formed when it burns, which is used to extinguish fires, for example in transport facilities or closed building rooms.
- an igniter in the form of a metal spiral is provided, which ignites the set from its front side.
- this igniter to increase 'and reduce the time required for its triggering voltage, besides, an additional, existing of coarse smoke powder initiator can be used, which is arranged in the vicinity of the metal spiral and optionally connected to a DC power source.
- the aerosol should flow to both sides (ends) of the generator.
- the aerosol generating set is arranged in the middle of the generator, the set having a central recess in which the metal spiral and possibly the initiator are arranged.
- the invention has for its object to remedy this and proposes the training according to the characterizing part of claim 1.
- the front end of the igniter is designed such that the hot igniter particles spread out in a defined manner in the radial direction via the lateral openings of the tube of the igniter and thus cause a quick, reproducible ignition of the set.
- the central arrangement of the recess within the set is particularly preferred.
- a gap is provided according to which forms a defined distance from the surface to be lit of the aerosol generating set. This promotes the spread of the hot ignition particles (ignition flame).
- the recess is formed with a star-shaped cross section.
- the number of openings in the gas guide tube is not equal to the spikes of the star profile of the aerosol generating set. This prevents the side openings in the gas guide tube and the tips of the inner teeth from facing each other under unfavorable circumstances, which would hinder the free spread of the ignition flame.
- the ignition set arranged in the front region of the gas guide tube does not cover the lateral openings of the gas guide tube in order to further promote the radial spread of the ignition flame emanating from the ignition set.
- the configuration according to claim 6 also contributes to this by thereby increasing the ignition area and thus progressively burning the ignition charge.
- the fire extinguishing generator can be triggered according to claim 7 by means of an electrical detonator which is controlled in a known manner by the signals of an associated sensor system. Instead, however, it can also be provided, in particular for manual fire extinguishers, according to claim 8, to carry out the trigger by hand. In the event of an electrical triggering, provision can be made to short-circuit the ignition device until the triggering, preferably by means of a removable plug.
- a pyrotechnic delay set between the ignition element and the ignition set in order to delay the initiation of the ignition set in the seconds range after the triggering of the ignition device.
- This proves to be particularly advantageous in the case of fire extinguishing generators which are triggered by hand and used as throwing bodies. However, this can also be advantageous in the case of electrical triggering if several generators are triggered at the same time, but are only intended to function one after the other.
- claim 10 it is provided that Form the ignition device at its front end with a reinforced base in order to prevent the hot ignition particles from escaping axially from the ignition device even under unfavorable circumstances.
- the installation of the ignition device is particularly simple if, according to claim 11, the cover of the housing is provided with a socket for receiving the ignition device.
- This bushing is preferably designed as a threaded bushing. Instead of screwing the ignition device into this socket, it is e.g. in principle it is also possible to glue them into the box.
- a particularly reliable construction to compensate for differences in length of the various components arranged one behind the other in the elongated generator housing is the embodiment according to claim 14, since the plate-shaped spring element mentioned avoids an inadmissibly high specific surface loading for the latter due to its relatively large contact surface on the aerosol generating set.
- the housing of the fire extinguisher generator is generally provided at its end facing away from the ignition device with a flat bottom which has corresponding outflow openings for the aerosol. If the fire extinguisher generator is designed as a throwing body, it cannot be ruled out in all circumstances that it is precisely this surface on the floor of the site, building or the like in the case of a flat design of the floor at the front end of the housing which is provided with the outflow openings comes to a standstill. In order to take this possibility into account, the housing can instead be provided on this side with a curved bottom, so that when this throwing fire extinguisher strikes the ground, it tilts over onto its lateral surface and thus ensures that the aerosol flows away properly is.
- the film provided for the cover can e.g. Made of aluminum, polyethylene or polypropylene and ensures that no moisture or dirt can penetrate into the interior of the fire extinguisher generator.
- FIG. 2 shows a view according to arrow A in FIG. 1 in a reduced representation
- FIG. 3 shows a section of this in accordance with the arrows B - B in FIG. 2,
- Fig. 8 shows a section of an aerosol generating set
- FIG. 9 is the top view of FIG. 8.
- the generator shown in Fig.1 has a cylindrical housing 1 made of a sufficiently heat-resistant material, e.g. Steel, and is preferably produced by deep drawing as a sheet metal part.
- the preferably circular holes 3 are provided for the outflow of the aerosol. These holes 3 are evenly distributed over the bottom 2.
- the film 4 made of e.g. Aluminum, which covers the holes 3. The thickness of this film is to be dimensioned such that it is partially pierced under the pressure of the aerosol and thus opens the openings 3.
- the mesh 5 is placed on the film 4 in order to effect further filtering of the aerosol.
- the support ring 6, the mesh grille 7, the coolant arrangement 8, the mesh grille 9, the support sleeve 10, the mesh grille 11 and the aerosol-generating set 12 are arranged in the housing 1 as further components.
- This set is designed here as a shaped body and e.g. by casting or pressing, but preferably by extrusion.
- the mesh grids also serve for additional fixation, the support sleeve 10 for establishing a reaction space for aerosol formation and the support sleeve 6 for forming an additional swirling chamber, which can also be omitted.
- the set 12 has the recess 13, which is arranged continuously and centrally here and extends in the longitudinal direction of the housing 1.
- the ignition device 14 extends into this recess 13 with its front tubular end 3 and is provided with the radial ignition openings 15.
- the space 35 is provided between the recess 13 and the tubular end 34. This end has the thickened base 16 in order to prevent ignition in the axial direction. This ensures the desired uniform ignition of the set 12 and its erosion.
- the igniter is designed here as a conventional detonator 17, which is screwed into the socket 18. Both the igniter 17 and the socket 18 are shown in the view.
- the socket 18, which is designed here as a turned part, is connected to the nut 19 via a screw thread, the cover 20 of the housing 1 and the plate-shaped spring element 21 being clamped between the two parts, so that these parts form a jointly mountable structural unit.
- the spring element 21 lies with its outer annular region 22 over a large area on the set 12 and is deformable in such a way that longitudinal displacements between the individual components within the housing 1 caused by the influence of temperature or manufacturing tolerances can be compensated.
- the cover 20 has an axially extending annular extension 36 which abuts the inner wall of the housing 1 in a partial area and furthermore has an annular groove 23 in which a circumferential sealing element 24, for example an O-ring, for sealing against the Housing 1 is inserted.
- a circumferential sealing element 24 for example an O-ring
- the housing 1 is provided with a radially outwardly projecting annular groove 25 which is arranged in such a way that an annular securing element 26, preferably a snap ring, inserted therein presses against the upper edge 27 of the cover 20, so that the individual components of the generator arranged in the housing 1 are reliably held in the arrangement shown via the force of the spring element 21.
- the snap ring 26 is provided at its two ends 28, each having a bore 29, with a clip-shaped securing element, which is attached after the snap ring 26 has been inserted, with its two free ends inserted through the bores 29 bent and then finally provided with the soldering or welding 30 so that the locking ring 26 is secured against unauthorized removal by a self-contained bracket 31, as shown in Fig.3.
- the housing in contrast to FIG. 1, is not provided with a perforated plate as the base 2 at its front end, but instead with a curved bottom surface 32 which has in turn • di flow passage openings 33 for the aerosol.
- the film is again provided to seal against the ingress of moisture or dirt.
- An additional mesh grille was not inserted on this curved floor.
- the support ring 6 shown in FIG. 1 is omitted so that the coolant arrangement 8 for the hot aerosol flowing through is in contact with the mesh grille 7 on the outer edge of the curved base 32.
- the composition of the set 12 and the layer 8 exerting a heat-dissipating effect are known in principle.
- the components such as housing 1 with cover 20, support ring 6 or sleeve 10, the grid and possibly also other components are made of such a material that withstands the temperature load when the set 12 burns.
- steel can be used for this, but it could also be ceramic for the support ring or the support sleeve.
- This fire extinguisher generator is also particularly advantageously suitable for use as a module in fire extinguishing devices such as mobile or stationary fire extinguishing arrangements.
- This module has the advantage that it is possible with a unitary body to switch the corresponding number of modules side by side or in series, depending on the extinguishing performance required, i.e. to put into operation.
- These modules, i.e. the gas generators are preferably used in a receiving device, their annular groove 25 projecting laterally radially beyond the wall of the housing 1 can serve as a stop for the defined mounting in the receiving device.
- the igniter is designed here as a conventional detonator 17.
- the detonator is screwed into the socket 18 by means of the thread 46.
- the ignition device 14 has the front tubular, sleeve-shaped end 34, also called the gas guide tube, shown in section, the bottom 16 of which is reinforced with respect to the other wall thickness.
- the ignition charge 37 which has the coaxial recess 38, is pressed onto the base 16.
- the igniter 37 does not cover the radial outflow openings 15 of the gas guide tube 34, of which, for example, six are provided distributed uniformly over the circumference.
- the pyrotechnic delay set 39 is arranged between the ignition set 37 and the conventional ignition element (not shown) of the ignition device 14.
- the cover 20 has the annular extension 36 and the annular groove 23, in which the sealing ring 24 is inserted.
- FIG. 6 A corresponding structural unit for an electrical triggering of the generator is shown in FIG. 6.
- the ignition element 40 with its electrical feed lines is clamped between the socket 18 and the nut 19.
- This is a conventional bridge ignition device which is combined with a contact plug 41 which is also known.
- the bridge ignition means with a glow wire
- other conventional ignition means for example a metal layer ignition element according to DE-C-20 20 016, can of course also be used.
- the remaining structure corresponds to that of FIG. 5, but a pyrotechnic delay set 39 is not provided here.
- FIG. 7 shows an enlarged section of a section from the connection area between the ignition-side end of the housing 1 and the cover 20.
- the cover 20 lies with a portion of its axial annular extension 36 on the inner wall 42 of the housing 1 and is then provided with the formation (ring groove) 23 in which the O-ring 34 is arranged and sealing between the housing 1 and the flange 36 is compressed.
- the housing 1 has at its free end the circumferential groove 25, in which the annular securing element 26 engages, which rests on the free edge 43 of the extension 36 and on the other hand is supported on the inner surface 47 of the groove 25. So that the cover 20 and the other components of the generator are properly fixed in the housing 1.
- FIG. 8 shows a cross section of a section of an aerosol-generating set 12 which has the coaxial recess 35 in which the gas guide tube 34, which is only indicated schematically, is also arranged coaxially.
- the recess 35 has a star-shaped cross section 44, ie it is designed as a star profile. This can be clearly seen in FIG. 9, which shows a plan view of FIG. 8 corresponding to arrow C.
- the star profile 44 has the inner teeth 45.
- a small distance 35 of a few tenths of a millimeter is provided between the gas guide tube 34 and the inner teeth 45.
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)
- Air Bags (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
- Optical Recording Or Reproduction (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP95923219A EP0762910A1 (de) | 1994-06-01 | 1995-06-01 | Feuerlöschgenerator mit einem gehäuse |
AU27870/95A AU2787095A (en) | 1994-06-01 | 1995-06-01 | Fire extinguishing generator with a housing |
KR1019970702112A KR970706567A (ko) | 1994-06-01 | 1996-07-30 | 초점제어회로를 포함하는, 다층 기록매체용 광학주사장치(Optical scanning apparatus for a multi-layer record carrier, including a focus control circuit) |
NO965049A NO965049L (no) | 1994-06-01 | 1996-11-27 | Brannslukningsgenerator med et hus |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4419098A DE4419098A1 (de) | 1994-06-01 | 1994-06-01 | Feuerlöschgenerator mit einem Gehäuse |
DEP4419098.0 | 1994-06-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1995032761A1 true WO1995032761A1 (de) | 1995-12-07 |
Family
ID=6519483
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP1995/002084 WO1995032761A1 (de) | 1994-06-01 | 1995-06-01 | Feuerlöschgenerator mit einem gehäuse |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0762910A1 (de) |
KR (1) | KR970706567A (de) |
AU (1) | AU2787095A (de) |
DE (1) | DE4419098A1 (de) |
NO (1) | NO965049L (de) |
WO (1) | WO1995032761A1 (de) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101134359B1 (ko) | 2011-08-22 | 2012-04-09 | 주식회사 세미라인 | 고체에어로졸 소화장치 |
EP2441495A1 (de) * | 2009-06-08 | 2012-04-18 | Shaanxi J&R Fire Fighting Co., Ltd | Tragbarer aerosol-feuerlöscher |
EP2441496A1 (de) * | 2009-06-08 | 2012-04-18 | Shaanxi J&R Fire Fighting Co., Ltd | Tragbarer aerosol-feuerlöscher |
RU2801085C1 (ru) * | 2022-12-28 | 2023-08-01 | Общество с ограниченной ответственностью "Системы Пожаротушения" | Устройство газового пожаротушения (варианты) |
WO2023234797A1 (ru) * | 2022-05-30 | 2023-12-07 | Общество с ограниченной ответственностью "Системы Пожаротушения" | Устройство газового пожаротушения и газогенерирующий состав |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19546251C1 (de) * | 1995-12-12 | 1997-04-24 | Bayern Chemie Gmbh Flugchemie | Löschgasgenerator |
DE19546525A1 (de) * | 1995-12-13 | 1997-06-19 | Dynamit Nobel Ag | Aerosolerzeugender Feuerlöschgenerator |
DE19546528A1 (de) * | 1995-12-13 | 1997-06-19 | Dynamit Nobel Ag | Aerosolerzeugender Feuerlöschgenerator |
DE19546526A1 (de) * | 1995-12-13 | 1997-06-19 | Dynamit Nobel Ag | Aerosolerzeugender Feuerlöschgenerator |
DE19801734A1 (de) * | 1997-01-17 | 1999-07-22 | Dynamit Nobel Ag | Formkörper zur Kühlung heißer Gase |
IT1392543B1 (it) * | 2008-12-30 | 2012-03-09 | Firecom S R L | Dispositivo accenditore per apparati estinguenti |
CN101637637B (zh) * | 2009-06-08 | 2011-12-07 | 陕西坚瑞消防股份有限公司 | 一种热气溶胶灭火装置 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2419949A (en) * | 1944-02-07 | 1947-05-06 | Edwin J Hottinger | Device for securing a propellent charge to an artillery primer |
FR1330198A (fr) * | 1962-05-07 | 1963-06-21 | Hotchkiss Brandt | Cartouche perfectionnée pour projectile de mortier |
FR1396901A (fr) * | 1963-06-01 | 1965-04-23 | Dynamit Nobel Ag | Cartouche à charge propulsive |
EP0524391A1 (de) * | 1991-07-18 | 1993-01-27 | Piepenbrock Pyrotechnik Gmbh | Abdichtung für pyrotechnische Anzünder, Nebeltöpfe oder dgl. |
EP0569025A2 (de) * | 1992-05-08 | 1993-11-10 | Ljuberetskoe Nauchno-Proizvodstvennoe Obiedinenie "Sojuz" | Feuerlösch-Vorrichtung und automatisches Feuerlösch-System |
-
1994
- 1994-06-01 DE DE4419098A patent/DE4419098A1/de not_active Withdrawn
-
1995
- 1995-06-01 AU AU27870/95A patent/AU2787095A/en not_active Abandoned
- 1995-06-01 WO PCT/EP1995/002084 patent/WO1995032761A1/de not_active Application Discontinuation
- 1995-06-01 EP EP95923219A patent/EP0762910A1/de not_active Ceased
-
1996
- 1996-07-30 KR KR1019970702112A patent/KR970706567A/ko not_active IP Right Cessation
- 1996-11-27 NO NO965049A patent/NO965049L/no not_active Application Discontinuation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2419949A (en) * | 1944-02-07 | 1947-05-06 | Edwin J Hottinger | Device for securing a propellent charge to an artillery primer |
FR1330198A (fr) * | 1962-05-07 | 1963-06-21 | Hotchkiss Brandt | Cartouche perfectionnée pour projectile de mortier |
FR1396901A (fr) * | 1963-06-01 | 1965-04-23 | Dynamit Nobel Ag | Cartouche à charge propulsive |
EP0524391A1 (de) * | 1991-07-18 | 1993-01-27 | Piepenbrock Pyrotechnik Gmbh | Abdichtung für pyrotechnische Anzünder, Nebeltöpfe oder dgl. |
EP0569025A2 (de) * | 1992-05-08 | 1993-11-10 | Ljuberetskoe Nauchno-Proizvodstvennoe Obiedinenie "Sojuz" | Feuerlösch-Vorrichtung und automatisches Feuerlösch-System |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2441495A1 (de) * | 2009-06-08 | 2012-04-18 | Shaanxi J&R Fire Fighting Co., Ltd | Tragbarer aerosol-feuerlöscher |
EP2441496A1 (de) * | 2009-06-08 | 2012-04-18 | Shaanxi J&R Fire Fighting Co., Ltd | Tragbarer aerosol-feuerlöscher |
JP2012527332A (ja) * | 2009-06-08 | 2012-11-08 | シャンシー ジェイ アンド アール ファイア ファイティング カンパニー リミテッド | 可搬型エアロゾル消火装置 |
EP2441496A4 (de) * | 2009-06-08 | 2013-07-10 | Shaanxi J & R Fire Fighting Co | Tragbarer aerosol-feuerlöscher |
EP2441495A4 (de) * | 2009-06-08 | 2013-07-10 | Shaanxi J & R Fire Fighting Co | Tragbarer aerosol-feuerlöscher |
KR101134359B1 (ko) | 2011-08-22 | 2012-04-09 | 주식회사 세미라인 | 고체에어로졸 소화장치 |
WO2023234797A1 (ru) * | 2022-05-30 | 2023-12-07 | Общество с ограниченной ответственностью "Системы Пожаротушения" | Устройство газового пожаротушения и газогенерирующий состав |
RU2801085C1 (ru) * | 2022-12-28 | 2023-08-01 | Общество с ограниченной ответственностью "Системы Пожаротушения" | Устройство газового пожаротушения (варианты) |
Also Published As
Publication number | Publication date |
---|---|
AU2787095A (en) | 1995-12-21 |
NO965049D0 (no) | 1996-11-27 |
NO965049L (no) | 1996-11-27 |
DE4419098A1 (de) | 1995-12-07 |
KR970706567A (ko) | 1997-11-03 |
EP0762910A1 (de) | 1997-03-19 |
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