EP0717648B1 - Tete d'arrosage pour installations de sprinklers - Google Patents

Tete d'arrosage pour installations de sprinklers Download PDF

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Publication number
EP0717648B1
EP0717648B1 EP95920028A EP95920028A EP0717648B1 EP 0717648 B1 EP0717648 B1 EP 0717648B1 EP 95920028 A EP95920028 A EP 95920028A EP 95920028 A EP95920028 A EP 95920028A EP 0717648 B1 EP0717648 B1 EP 0717648B1
Authority
EP
European Patent Office
Prior art keywords
extinguishing agent
spray head
indicator
head according
protected
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
EP95920028A
Other languages
German (de)
English (en)
Other versions
EP0717648A1 (fr
Inventor
Georg Reinhardt
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.)
Gustav Bausinger Vdi & Co GmbH
Original Assignee
Gustav Bausinger Vdi & Co 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 Gustav Bausinger Vdi & Co GmbH filed Critical Gustav Bausinger Vdi & Co GmbH
Publication of EP0717648A1 publication Critical patent/EP0717648A1/fr
Application granted granted Critical
Publication of EP0717648B1 publication Critical patent/EP0717648B1/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
    • A62C37/50—Testing or indicating devices for determining the state of readiness of the equipment

Definitions

  • the invention relates to a spray head for sprinkler systems.
  • a pipe socket that can be connected to a pipe network for extinguishing agents and a closure element facing the space to be protected, that closes an extinguishing agent outlet opening in the pipe socket and opens through exposure to heat.
  • sprinkler systems For the fire protection of rooms in passenger ships, department stores, public buildings and industrial plants are sprinkler systems prescribed, which in the event of fire automatically water or spray another extinguishing agent into the area to be protected and contain a fire in the room or at best extinguish it should.
  • the sprinkler systems usually consist of a the network of pipes laid in the ceiling of the room, in the pipes Spray heads are screwed into the space to be protected protrude and are closed by closure elements that open as soon as the temperature in the room to be protected exceeds a predetermined maximum, usually 68 ° C.
  • EP-A-597 564 describes a spray head for sprinkler systems with one to one Pipe for extinguishing agent connectable pipe socket and one to protective space facing closure member known, the one Extinguishing agent outlet opening in the pipe socket closes and through Exposure to heat opens, including an extinguishing agent indicator that Extinguishing agent is applied from inside the pipe socket and is perceptible from the area to be protected.
  • the inside of the Pipe socket is not through a control channel with the Extinguishing agent indicator connected.
  • DE-C-867 952 is a liquid level and pressure indicator, especially known for fire extinguishers, which discloses channels used in Connected to the housing, which is the liquid level visible sight glass and one against the sight glass pressing spindle of a pressure piston revealed. This document sets however, it is not close to a control channel inside a pipe socket of sprinklers to be arranged so that a connection to the Extinguishing agent indicator is given.
  • a pressure indicator for fire extinguishers is known from DE-A-1 708 107, at which the device pressure acts on a membrane or a bellows and thereby a spring pin against the Spring pressure is moved in the axial direction.
  • Evidence that such Solution would be transferable to a spray head for sprinkler systems Document cannot be removed.
  • the object of the invention is to provide a spray head for sprinkler systems trained in the beginning so that at any time from protective space can be easily checked whether the the relevant spray head is acted upon by the extinguishing agent and is ready for operation is.
  • the monitoring device must be for everyone Spray head can be manufactured very easily and inexpensively and also over many Be reliable for years.
  • Such an extinguishing agent indicator shows at any time whether it is equipped spray head is operational without the spray head from the Pipe network must be removed or partially destroyed.
  • the extinguishing agent indicator can be connected to the closure element stand. However, it is particularly useful if the inside of the Pipe socket with the extinguishing agent indicator through a control channel is connected so that the extinguishing agent is immediately on the Extinguishing agent indicator can act.
  • the control channel expediently points a hole in the base of a bracket for the Closure element is located and in which the extinguishing agent indicator is arranged. This is the extinguishing agent indicator protected and can also be transported and the assembly of the spray head are not damaged.
  • the extinguishing agent indicator can be a dye, for example Litmus, or phenolphthalein, which is in contact with the Extinguishing media changes color or color intensity. If the control channel is facing the room to be protected End is closed by a sight glass, can by this sight glass the color change of the extinguishing agent indicator easily noticed from the outside and whether the spray head is supplied with extinguishing agent and is ready for use.
  • the sight glass can be opened its inside facing the control channel with the Extinguishing agent indicator provided, for example, vaporized or coated his. This means that the extinguishing agent indicator cannot be lost connected to the spray head and for decades functioning.
  • the Extinguishing agent indicator also have a pressure display device, so that it can be determined at any time whether the spray head is under the pressure of the extinguishing agent.
  • the pressure indicator can be a spring-loaded indicator pin be located in the control channel and from a pressurized extinguishing agent partially in the protective space is pushed out. You can then go from that too protective space from exactly on the above indicator pins recognize which of the individual spray heads one in a room arranged sprinkler system are ready for operation and which Not.
  • the spray head can itself can also be equipped with a manometer, which in the Control channel is built in such a way that its display of the monitoring room is recognizable.
  • the extinguishing agent indicator to provide each spray head with an electrical pressure sensor, the outside of the room to be monitored the spray head connections for external measuring and monitoring devices having. With these monitoring devices can then Fire traps are also determined in what order the Address the spray heads of a sprinkler system. If you draw this Order on, can be tracked after extinguishing the fire, how the brand developed. From this you can subsequently valuable conclusions about the cause of the fire and the Draw fire hazard to certain rooms and room arrangements.
  • 10 denotes a spray head, which in a pipe, not shown, of a sprinkler system is screwed in, usually in the ceiling of a fire to be protected space is arranged and a variety of Contains spray heads.
  • the spray head 10 consists of a pipe socket 11 with external thread 12 and from a holder 13 for a closure element 14.
  • the pipe socket 11 can be in a suitable Threaded pipe connection of the sprinkler system screwed in be and is with a base plate 15 of the bracket 13 firmly connected.
  • the base plate 15 of the holder 13 has one with the interior 16 of the pipe socket aligned, central opening 17, in which the socket 18 of the closure element 14 is inserted.
  • On their underside 20 facing the space 19 to be protected the base plate 15 a closed bracket 21, at the a spray plate 23 is attached to the lower apex 22.
  • the Spray plate 23 is in the bottom view, in the direction of arrow 24 seen, circular and carries several, in the outer circumference Distance from each other extending slats in the radial direction.
  • the closure element 14 is in the illustrated embodiment a closed glass tube with its top end in the version 18 sits and with its lower end on Vertex piece 22 of the bracket 21 supports.
  • the glass tube of the Closure element 14 is with exposure to heat highly expanding liquid filled and bursting when the Temperature in the space to be protected 19 a predetermined Value, for example 68 ° C, exceeds.
  • Spray heads of the type described above are generally known and are used in large numbers in sprinkler systems.
  • an extinguishing agent indicator 25 which is from the inside 16 of the pipe socket 11 is charged with extinguishing agent and perceptible or accessible from the space 19 to be protected is.
  • a control channel in the base 15 of the holder 13 29 arranged from the opening 17 in the Base plate 15 extends radially outwards and extends in the Proximity of the outer peripheral surface 28 of the base plate 15 to one Indicator chamber 26 expanded.
  • This indicator chamber 26 is at the embodiment of FIG. 1 of a blind bore with an internal thread 27 formed from the outer peripheral surface 28th extends radially inward and through the control channel 29 and the opening 17 in the base plate 15 with the interior 16 of the Pipe socket 11 is connected.
  • a sight glass is in the internal thread 27 of the indicator chamber 26 30 screwed in, the hemispherical surface is transparent and over the outer peripheral surface 28 of the base plate 15 protrudes.
  • the extinguishing agent indicator can be seen through this sight glass 30 25 inside the indicator chamber of the one to be protected Room 19 can be viewed from.
  • the Extinguishing agent indicator a suitable dye, for example Litmus or phenolphthalein, which comes into contact with the extinguishing agent changed its color or intensity.
  • This Dye can be attached to paper strips, for example be housed in the indicator chamber 26.
  • FIGS. 2 to 7 have essentially the same structure as the spray head Fig. 1, they differ from this only in training of the extinguishing agent indicator 25. In the following, therefore, only these differently designed extinguishing agent indicators 25 to be discribed.
  • the Extinguishing agent indicator 25 not a dye, but a pressure indicator 32 on so that the inside 16 of the pipe socket 11 prevailing pressure of the extinguishing agent to be monitored Room 19 can be seen from.
  • This Indicator pin is in one with its free outer end 36 central bore 37 of a screw cap 38, which in the Internal thread 27 of the indicator chamber 26 is screwed in and closes this to the outside.
  • this screw cap 38 supports a compression spring 39, which the indicator pin 35 surrounds and with its other end against the end face 34 of the piston 33 presses and this in its furthest inserted on the base of the indicator chamber 26 holds adjacent position in which the outer end 36 of the with it connected indicator pin 35 to the outer peripheral surface 28 the base plate 15 completes.
  • the indicator chamber 26 has a valve seat 43 on its outer edge 42 for the ball of a check valve 44, the valve spring 45 one end on the ball of the check valve 44 and with its other end on the base surface 46 of the indicator chamber 26 supports.
  • An inside 16 of the pipe socket 11 and in the Opening 17 of the base plate 15 reaches extinguishing agent through the control channel 29 into the indicator chamber.
  • a spray head 10 according to the invention is in the indicator chamber 26 screwed a small manometer 50, which as Pressure display device is used and outside the base plate 15 a pressure-actuated, colored disk in a scale housing 51 52, which in a cutout 53 of a front cover 54 becomes visible when the pressure of the extinguishing agent in the Inside the control channel 29 is rotated.
  • This one too Spray head 10 can easily be protected from the space 19 to be protected can be recognized whether the spray head 10 is ready or Not.
  • the Extinguishing agent indicator 25 an electrical pressure sensor 55, the is built into the indicator chamber 26 and from the control channel 29 is acted upon.
  • This electrical pressure sensor 55 is on its outside facing the space 19 to be monitored 56 with connections 57 and 58 for not shown Provide measuring and monitoring devices.
  • the electrical pressure sensors Connect several spray heads using an electrical series connection and connected to a fault reporting center. At A suitable configuration of this fault reporting center can be determined and recorded in which order the Address the spray heads of the sprinkler system. This makes it possible to follow the development of a fire afterwards, that took place in the monitored room.
  • the extinguishing agent indicators can also to monitor the presence of gaseous extinguishing agents be used and it is also possible to use other indicators to be used as dyes and pressure indicators.

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)
  • Spray Control Apparatus (AREA)
  • Catching Or Destruction (AREA)

Claims (10)

  1. Tête d'arrosage pour installations de sprinklers ayant une tubulure pouvant être raccordée à une conduite d'agent extincteur et un élément de fermeture tourné vers la salle à protéger, lequel élément de fermeture ferme une ouverture de sortie d'agent extincteur dans la tubulure et s'ouvre sous l'effet de la chaleur, ayant un indicateur d'agent extincteur (25), qui est alimenté en agent extincteur depuis l'intérieur (16) de la tubulure (11) et est visible ou accessible depuis la salle à protéger (19), caractérisée en ce que l'intérieur (16) de la tubulure (11) communique avec l'indicateur d'agent extincteur (25) par l'intermédiaire d'un canal de contrôle (29).
  2. Tête d'arrosage selon la revendication 1, caractérisée en ce que le canal de contrôle (29) présente un trou, qui se situe dans le socle (15) d'un support (13) destiné à l'élément de fermeture (14) et dans lequel est disposé l'indicateur d'agent extincteur (25).
  3. Tête d'arrosage selon la revendication 1 ou 2, caractérisée en ce que l'indicateur d'agent extincteur (25) est un colorant qui change de couleur ou d'intensité au contact de l'agent extincteur.
  4. Tête d'arrosage selon l'une des revendications 1 à 3, caractérisée en ce que le canal de contrôle (29) est fermé par un regard (30) à son extrémité tournée vers la salle à protéger (19).
  5. Tête d'arrosage selon l'une des revendications 1 à 4, caractérisée en ce que le regard (30) est pourvu d'un indicateur d'agent extincteur (25) sur sa face intérieure (31) tournée vers le canal de contrôle (29).
  6. Tête d'arrosage selon l'une des revendications 1 à 5, caractérisée en ce que l'indicateur d'agent extincteur (25) présente un dispositif d'indication de pression (32).
  7. Tête d'arrosage selon l'une des revendications 1 à 6, caractérisée en ce que le dispositif d'indication de pression (32) est une tige d'indicateur (35) commandée par ressort, laquelle est alimentée depuis le canal de contrôle (29) et est poussée partiellement vers l'extérieur dans la salle à protéger (19) par un agent extincteur sous pression.
  8. Tête d'arrosage selon l'une des revendications 1 à 7, caractérisée en ce que le dispositif d'indication de pression (32) présente un manomètre (47), qui peut être raccordé au canal de contrôle (29) protégé par une soupape antiretour (44).
  9. Tête d'arrosage selon l'une des revendications 1 à 8, caractérisée en ce que le dispositif d'indication de pression (32) est un manomètre (50), qui est intégré dans le canal de contrôle (29), de telle sorte que son affichage (52-54) peut être lu depuis la salle à surveiller (19).
  10. Tête d'arrosage selon l'une des revendications 1 à 9, caractérisée en ce que l'indicateur d'agent extincteur (25) présente un capteur de pression électrique (55) qui présente sur la face extérieure (56) tournée vers la salle à surveiller (19) des prises (57, 58) pour des appareils de contrôle et de mesure externes.
EP95920028A 1994-05-12 1995-05-12 Tete d'arrosage pour installations de sprinklers Expired - Lifetime EP0717648B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4416746 1994-05-12
DE4416746A DE4416746A1 (de) 1994-05-12 1994-05-12 Sprühkopf für Sprinkleranlagen
PCT/EP1995/001797 WO1995031255A1 (fr) 1994-05-12 1995-05-12 Tete d'arrosage pour installations de sprinklers

Publications (2)

Publication Number Publication Date
EP0717648A1 EP0717648A1 (fr) 1996-06-26
EP0717648B1 true EP0717648B1 (fr) 2000-03-29

Family

ID=6517947

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95920028A Expired - Lifetime EP0717648B1 (fr) 1994-05-12 1995-05-12 Tete d'arrosage pour installations de sprinklers

Country Status (4)

Country Link
EP (1) EP0717648B1 (fr)
AT (1) ATE191151T1 (fr)
DE (2) DE4416746A1 (fr)
WO (1) WO1995031255A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202011050661U1 (de) * 2011-07-07 2011-09-09 Job Lizenz Gmbh & Co. Kg Thermisches Auslöseelement für Sprinkler, Ventile oder dergleichen
GB201413159D0 (en) * 2014-07-24 2014-09-10 Mcgavigan Daniel Sprinkler Device
WO2016196104A1 (fr) * 2015-06-04 2016-12-08 Utc Fire & Security Corporation Dispositif monté à l'extérieur, permettant de surveiller un système d'extinction d'incendie
WO2016200608A1 (fr) * 2015-06-08 2016-12-15 Utc Fire & Security Corporation Dispositif monté de façon interne pour la supervision d'un système d'extinction d'incendie
RU2719099C1 (ru) * 2019-08-28 2020-04-17 Общество с ограниченной ответственностью "НПО ФАРРО" Спринклерный ороситель и модульная установка пожаротушения, использующая такой ороситель

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1875233A (en) * 1931-06-06 1932-08-30 Wilfred J Thuermann Testing device for sprinkler systems
DE867952C (de) * 1944-01-29 1953-02-23 Concordia Elek Zitaets Ag Fluessigkeitsstand- und Druckanzeiger, insbesondere fuer Feuerloescher
DE1028886B (de) * 1952-04-22 1958-04-24 Minimax Ag Vorrichtung zur UEberwachung der Dichtheit von Kohlensaeureflaschen, insbesondere fuer Feuerloeschzwecke, und Schaltung fuer eine von dieser Vorrichtung zu betaetigende Alarmeinrichtung
US2917924A (en) * 1957-05-02 1959-12-22 Standard Alarm And Signal Comp Light permeable fluid level marker for casings
DE1708107A1 (de) * 1967-03-11 1970-04-02 Diebold Vulkan Werk W Druckanzeiger
DE3821774A1 (de) * 1988-06-28 1990-01-11 Siemens Ag Vorrichtung zur zustandsueberwachung von loeschmittelflaschen
KR940011065A (ko) * 1992-11-11 1994-06-20 다까마사 핫또리 유체의 충만 확인기능을 갖는 스프링쿨러 헤드와 이것을 사용한 유체의 충만 확인 방법

Also Published As

Publication number Publication date
DE59508093D1 (de) 2000-05-04
DE4416746A1 (de) 1995-11-16
ATE191151T1 (de) 2000-04-15
WO1995031255A1 (fr) 1995-11-23
EP0717648A1 (fr) 1996-06-26

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