EP1321170B1 - Installation d'extinction d'incendie - Google Patents

Installation d'extinction d'incendie Download PDF

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Publication number
EP1321170B1
EP1321170B1 EP02027098A EP02027098A EP1321170B1 EP 1321170 B1 EP1321170 B1 EP 1321170B1 EP 02027098 A EP02027098 A EP 02027098A EP 02027098 A EP02027098 A EP 02027098A EP 1321170 B1 EP1321170 B1 EP 1321170B1
Authority
EP
European Patent Office
Prior art keywords
sleeve
extinguishing
fire
connecting piece
nozzle
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
EP02027098A
Other languages
German (de)
English (en)
Other versions
EP1321170A1 (fr
Inventor
Alex Dipl.-Ing. Schmitz
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
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 Total Walther GmbH Feuerschutz und Sicherheit, Total Feuerschutz GmbH filed Critical Total Walther GmbH Feuerschutz und Sicherheit
Publication of EP1321170A1 publication Critical patent/EP1321170A1/fr
Application granted granted Critical
Publication of EP1321170B1 publication Critical patent/EP1321170B1/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
    • A62C37/08—Control of fire-fighting equipment comprising an outlet device containing a sensor, or itself being the sensor, i.e. self-contained sprinklers
    • A62C37/10—Releasing means, e.g. electrically released
    • A62C37/11—Releasing means, e.g. electrically released heat-sensitive
    • A62C37/14—Releasing means, e.g. electrically released heat-sensitive with frangible vessels
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C35/00—Permanently-installed equipment
    • A62C35/58—Pipe-line systems
    • A62C35/60—Pipe-line systems wet, i.e. containing extinguishing material even when not in use

Definitions

  • the invention relates to a fire extinguishing system with an extinguishing nozzle, which can be used with an extinguishing nozzle nozzle in a sleeve connected to an extinguishing pipe.
  • fire extinguishing systems with permanently installed pipelines connected to the pipes extinguishing nozzles, in particular sprinklers, an externally threaded extinguishing nozzle, which is screwed behind a threaded sleeve of the piping system , This screw is usually sealed permanently with sealing hemp or sealant.
  • Fire extinguishing systems are subject to particularly stringent pressure tightness and service life requirements.
  • the test pressure for extinguishing water in the case of a blind-filled pipe network without extinguishing nozzle is a maximum of 250 to 300 bar after the extinguishing nozzle has been produced.
  • the operating pressure for a fire extinguishing system which is operated with extinguishing water, is a maximum of 30 bar.
  • the connection of the extinguishing nozzle with the outgoing of the extinguishing pipe sleeve must be absolutely tight, so that no water leaks.
  • the maximum operating pressure is 60 bar.
  • the seal must not be absolutely tight, but a tight fit must be ensured so that the connection is not pushed out.
  • the service life of a fire-extinguishing system including all components is approximately 25 years on average. In this period, the tightness of the connection must be guaranteed, even if no trigger case occurs.
  • Extinguishing nozzles were used without exception in the prior art for these high requirements, which are screwed to a sleeve of the extinguishing pipe and sealed with sealing hemp or sealant.
  • the Verschraubungstechnik requires that the extinguishing nozzles are made of a hexagonal material, after machining on a limited length section, the hexagonal profile remains for attachment of a mounting wrench with which the extinguishing nozzle screwed into the extinguishing nozzle becomes. This type of production requires a lot of material and work time.
  • the invention has for its object to provide a permanently installed fire extinguishing system, in which the extinguishing nozzles can be easily mounted pressure-tight and brought into a desired orientation.
  • the nozzle is held with a locking device in the sleeve.
  • a sealing ring with a full cross-section is a sealing ring whose cross-section is not slotted, so for example an O-ring.
  • Such an unslotted sealing ring has the advantage that the extinguishing nozzle can be very easily mounted and also disassembled.
  • the invention with unthreaded extinguishing nozzle is also applicable to multiple extinguishing nozzle heads.
  • DE 299 13 174 describes a fire extinguishing system in which the extinguishing pipe is inserted into fittings, each having an inner bore with an inner annular groove, in which a slotted sealing ring sits, the connection of the extinguishing nozzles takes place there to a threaded hole in the fitting, so in traditional technique.
  • the key surfaces can be omitted, so that the extinguishing nozzles can be made of a simple and therefore cheaper round material.
  • the production of the extinguishing nozzle is improved, because processing time and material is saved.
  • the elimination of the key areas has even more advantages.
  • the height of the extinguishing nozzle can be reduced by eliminating the key area, resulting in greater freedom of assembly especially in tight spaces on the site.
  • the invention not only saves working time in production and assembly, it can also account for special assembly tools. Also mounting errors are avoided.
  • the threadless extinguishing nozzle can advantageously be plugged together with a pipe for fire extinguishing systems consisting of pipe sections which are connected by means of T-shaped fittings, the legs of which have smooth inner bores with stops and inner annular grooves with associated elastic sealing rings and the ends of the pipe sections through the sealing rings pushed to the stops and are secured by means of locking against the ends locking screws in radial threaded holes against slipping of the line sections.
  • the extinguishing nozzle connector according to the invention can be used for all fire extinguishing systems with the known extinguishing agents, such as water, gas, extinguishing concentrates and the like.
  • Stationary sprinkler systems have been built in fire protection for more than 100 years in a variety of forms. To date, there is no single sprinkler system in plug connection worldwide.
  • the invention enables a simple and secure installation of the plug-in system, with much shorter assembly times, lower production costs and a more favorable storage.
  • the cost savings when installing the extinguishing nozzles with plug-in system A complete fire extinguishing system is up to 50% compared to the previous assembly with tuyeres. Above all, eliminates the subsequent alignment of the nozzle arms, because the extinguishing nozzles can be plugged directly aligned during assembly.
  • Another advantage is the fact that the extinguishing nozzles with the simplest means for cleaning and inspection can be removed and installed.
  • the extinguishing nozzle has a conical insertion portion for pressing the sealing ring in the inner countersunk groove of the sleeve. This prevents that the sealing ring is sheared when inserting the extinguishing nozzle in the ring sleeve.
  • the inner bore is an outwardly conically widening cone bore and the outer surface of the extinguishing nozzle nozzle is adapted to the inner bore.
  • cooperating alignment elements are provided on the sleeve and the neck, which allow the insertion of the nozzle only in a specific orientation in the sleeve. This achieves a rotational alignment of the extinguishing nozzle with respect to the fitting.
  • each leg 4, 5 and 6 On the line sections 1a of a sprinkler pipe 1 T-shaped fittings 2 are plugged, the legs 4, 5 and 6 have, whose lengths are increased compared to 7 standard DIN versions.
  • Each leg 4, 5 and 6 is provided with an inner bore 8, 9 and 10, which is limited in depth by a stop 11, 12, 13.
  • the legs have 4-6 inner annular grooves 14, 15 and 16, and radial threaded bores 17, 18 and 19.
  • sealing rings 20, 21 and 22 are inserted with a full cross section, in particular O-rings.
  • the end 1b of a line section 1a is inserted into one of the legs 4, 5 and advanced over the sealing rings 20, 21 all the way to the respective stop 11, 12.
  • the line sections 1a is not deducted from the fitting 2 and thus the pipe connection is canceled, 17-19 locking screws 23, 24 and 25 are screwed into the radial threaded holes, which press with ring cutting against the line sections 1a and the sprinkler nozzle 26 and thus a safe Ensure hold.
  • the sealing rings 20-22 may be formed as O-rings. Any other ring shape can be used.
  • the leg 6 is designed to insert a sprinkler or another suitable extinguishing nozzle 3 as a sleeve 39.
  • the extinguishing nozzle 3 has an extinguishing nozzle nozzle 26 with a smooth outer surface and a bottom 27 and a distributor plate 28, which are connected to each other by means of the two Sprinklerarme 29 and 30 on. Locked is the extinguishing nozzle nozzle 26 with a glass keg 31, which sits in a seal 32.
  • the extinguishing nozzle 3 is pushed with its extinguishing nozzle nozzle 26 to the stop 13 in the inner bore 10 of the sleeve 39 and secured by means of the screws 25.
  • a sealing ring 22 also provides for the sprinkler for a sufficient seal.
  • the extinguishing nozzle nozzle 26 can be inserted so effortlessly into the sleeve 39, that the sprinkler arms 29, 30 of all extinguishing nozzles are aligned in a row parallel to the axis of the Spinklerrohr Ober 1. A subsequent alignment is omitted. Even with sprinklers with more than two sprinkler arms a uniform alignment is required and guaranteed.
  • the extinguishing nozzle nozzle 26 At the end of the extinguishing nozzle nozzle 26 is a conical insertion portion 40 which causes the sealing ring 22 is increasingly pressed into the inner annular groove 16 and not sheared off when inserting the extinguishing nozzle in the inner bore 10 of the sleeve 39.
  • the extinguishing nozzle nozzle 26 is cylindrical in this embodiment and the inner bore 10 is also cylindrical. The extinguishing nozzle nozzle is inserted with a tight fit in the inner bore 10.
  • FIG. 3 shows an extinguishing nozzle with a cylindrical extinguishing nozzle connection piece 26.
  • the sleeve 39 and the extinguishing nozzle connection piece 26a are conical.
  • a holding device (not shown) is provided which holds the extinguishing nozzle to the fitting.
  • FIG. 5 shows an open extinguishing nozzle 3a with an adapter 33 forming the sleeve 39 with a smooth inner surface 34 and a threaded connector 35 which is screwed into the thread 36 of an existing leg 37 of a fitting 38.
  • an annular groove of the sleeve 39 a on the smooth outer surface of the Löschdüsenstutzens 26b attacking sealing ring 22 is inserted.
  • the extinguishing nozzle nozzle 26b is secured against being pulled out.
  • the insertion depth is limited by a stop 13 of the extinguishing nozzle 3 a, which abuts against the outer end of the sleeve 39.
  • the adapter 33 may also be designed as Reduzierstutzen.
  • the sealing ring 22 is seated in two matching half-benefits 16a, 16b.
  • the first half groove 16a is provided as an inner annular groove on the sleeve 39, and the second half groove as an outer circumferential half groove 16b on the extinguishing nozzle nozzle 26th
  • aligning elements 42,43 are provided on the sleeve 39 and the extinguishing nozzle nozzle.
  • the alignment elements 42 are longitudinal webs projecting outwardly from the extinguishing nozzle nozzle 26, and the alignment elements 43 are longitudinal grooves on the inside of the socket 39.
  • the alignment elements 42, 43 are provided only at the opening end of the sleeve 39 and at the head end of the extinguishing nozzle nozzle 26 , They do not extend into the region of the sealing ring 22.
  • the alignment 42,43 are arranged on that side of the sealing ring 22 which faces away from the extinguishing nozzle 3, ie deep inside the sleeve 39.
  • the alignment 42 of the extinguishing nozzle nozzle 26 are longitudinal grooves and the alignment elements 43 of the sleeve 39 are longitudinal webs 43 which fit into the grooves 42 engage and cause a rotation of the extinguishing nozzle nozzle 26 with respect to the leg 6 of the fitting 3.
  • several pairs of intermeshing alignment elements 42, 43 may be provided, it is generally sufficient if only one alignment element 42 and one alignment element 43 complementary thereto are provided in each case.
  • alignment element 42a is a flattening on the outside of the extinguishing nozzle nozzle 26 and the alignment element 43a is a flattening on the inside of the sleeve 39, wherein the flattening forms a chord to the circular bore 10.
  • a locking device 25 for securing the extinguishing nozzle nozzle 26 in its longitudinal direction is arranged in the region of the flats.

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)
  • Fire Alarms (AREA)
  • Cereal-Derived Products (AREA)

Claims (13)

  1. Installation d'extinction d'incendie, comportant une crépine d'incendie (3) qui est raccordée à une conduite d'extinction (1) par un raccord à manchon,
    caractérisée en ce que
    le raccord à manchon comprend un embout (26) ayant une surface extérieure lisse et un manchon (39) ayant une surface intérieure lisse, au moins un anneau d'étanchéité (22) à section pleine inséré dans une rainure circulaire (16, 16a) étant prévu entre le manchon (39) et l'embout (26), et en ce que l'embout (26) est retenu dans le manchon (39) au moyen d'un dispositif de blocage (25).
  2. Installation d'extinction d'incendie selon la revendication 1, caractérisée en ce que l'embout (26) est un embout de crépine d'incendie (26a), et que le manchon fait partie d'un raccord en T (2) de la conduite d'extinction (1).
  3. Installation d'extinction d'incendie selon la revendication 1 ou 2, caractérisée en ce que le dispositif de blocage (25) accomplit une fixation de la crépine d'incendie en direction axiale du manchon (39).
  4. Installation d'extinction d'incendie selon la revendication 1 à 3, caractérisée en ce que le manchon (39) ayant une surface intérieure lisse (34) est prévu pour l'insertion de la crépine d'incendie (3) ayant une surface extérieure lisse sur un adaptateur fileté (33).
  5. Installation d'extinction d'incendie selon l'une des revendications 1 à 4, caractérisée en ce que la surface intérieure (10a) du manchon est un alésage conique s'élargissant vers l'extérieur, et que la surface extérieure de l'embout de crépine d'incendie (26a) est adaptée à cette surface intérieure (10a).
  6. Installation d'extinction d'incendie selon les revendications 1 à 5, caractérisée en ce que les raccords à manchon sont réalisés de telle façon qu'ils alignent les crépines d'incendie (3) avec leurs bras de gicleur (29 et 30) de manière uniforme parallèlement à la conduite d'extinction (1).
  7. Installation d'extinction d'incendie selon l'une des revendications 1 à 6, caractérisée en ce que des éléments d'alignement coopérants (42, 43) sont prévus sur le manchon (39) et l'embout (26) qui ne permettent l'insertion de l'embout (26) dans le manchon (39) que selon une certaine orientation.
  8. Installation d'extinction d'incendie selon la revendication 7, caractérisée en ce que les éléments d'alignement (42, 43) ne sont prévus que sur l'extrémité d'ouverture du manchon (39) et sur l'extrémité de tête de l'embout (26).
  9. Installation d'extinction d'incendie selon la revendication 7, caractérisée en ce que les éléments d'alignement (42, 43) ne sont prévus qu'à l'intérieur du manchon (39) et sur la zone d'extrémité de l'embout (26).
  10. Installation d'extinction d'incendie selon la revendication 7, caractérisée en ce que les éléments d'alignement (42a, 43a) sont réalisés par des aplatissements à la surface extérieure de l'embout (26) et à la surface intérieure du manchon (39).
  11. Installation d'extinction d'incendie selon la revendication 1, caractérisée en ce que la rainure annulaire (16, 16a) est disposée dans la surface extérieure lisse de l'embout (26, 26a, 26b).
  12. Installation d'extinction d'incendie selon l'une des revendications 1 à 11, caractérisée en ce que la rainure annulaire du manchon (39) est une demi-rainure, et qu'une autre demi-rainure est prévue dans l'embout (26).
  13. Installation d'extinction d'incendie selon l'une des revendications 1 à 12, caractérisée en ce que l'embout (26, 26a, 26b) présente une partie d'introduction conique (40) pour l'insertion sous pression de l'anneau d'étanchéité (22) dans la rainure interne du manchon.
EP02027098A 2001-12-21 2002-12-04 Installation d'extinction d'incendie Expired - Lifetime EP1321170B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20120671U 2001-12-21
DE20120671U DE20120671U1 (de) 2001-12-21 2001-12-21 Feuerlöschanlage

Publications (2)

Publication Number Publication Date
EP1321170A1 EP1321170A1 (fr) 2003-06-25
EP1321170B1 true EP1321170B1 (fr) 2006-08-30

Family

ID=7965456

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02027098A Expired - Lifetime EP1321170B1 (fr) 2001-12-21 2002-12-04 Installation d'extinction d'incendie

Country Status (3)

Country Link
EP (1) EP1321170B1 (fr)
AT (1) ATE337832T1 (fr)
DE (2) DE20120671U1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE530073C2 (sv) * 2007-01-23 2008-02-26 Teknikbolaget K Samuelsson Ab Sprutmunstycksanordning för brandsläckningssystem
FR2932690B1 (fr) * 2008-06-20 2011-03-18 Eric Issartel Tete d'aspersion.
JP5276630B2 (ja) * 2009-10-23 2013-08-28 エア・ウォーター防災株式会社 ガス消火設備
CN104667471A (zh) * 2015-03-05 2015-06-03 东华大学 一种带有报警的气体自动灭火装置
US11578827B2 (en) * 2019-10-21 2023-02-14 The Reliable Automatic Sprinkler Co. Inc. Fire protection sprinkler with a push-in connection

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0663858B3 (fr) * 1991-05-20 2010-05-26 SUNDHOLM, Göran Equipement de lutte contre les incendies
DE29923523U1 (de) * 1998-01-09 2000-12-07 Sundholm Goeran Halter für Sprinkler oder Sprühköpfe
FR2774600A1 (fr) * 1998-02-09 1999-08-13 Philippe Louis Georges Kibler Dispositif pour une nouvelle mise en oeuvre sur tuyauteries de tous types de dispositifs d'arrosage incendie
US6129153A (en) * 1999-03-03 2000-10-10 Joung; In Jin Water spraying control unit for a fire extinguishing sprinkler head
DE29913174U1 (de) 1999-07-28 1999-09-30 Total Feuerschutz Gmbh Fitting für die Verbindung durckbeaufschlagter Rohrleitungen, und Rohrverbindung mit Fitting

Also Published As

Publication number Publication date
DE50207989D1 (de) 2006-10-12
DE20120671U1 (de) 2002-03-14
EP1321170A1 (fr) 2003-06-25
ATE337832T1 (de) 2006-09-15

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