EP3687636B1 - Station de soupape d'alarme à sec et installation d'extinction d'incendie comprenant ladite station - Google Patents

Station de soupape d'alarme à sec et installation d'extinction d'incendie comprenant ladite station Download PDF

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Publication number
EP3687636B1
EP3687636B1 EP18782327.3A EP18782327A EP3687636B1 EP 3687636 B1 EP3687636 B1 EP 3687636B1 EP 18782327 A EP18782327 A EP 18782327A EP 3687636 B1 EP3687636 B1 EP 3687636B1
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EP
European Patent Office
Prior art keywords
valve
alarm
pressure
control
fire
Prior art date
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Active
Application number
EP18782327.3A
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German (de)
English (en)
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EP3687636B8 (fr
EP3687636A1 (fr
Inventor
Peter Kempf
Frank STACHOWITZ
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Minimax GmbH and Co KG
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Minimax GmbH and Co KG
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Publication of EP3687636A1 publication Critical patent/EP3687636A1/fr
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Publication of EP3687636B1 publication Critical patent/EP3687636B1/fr
Publication of EP3687636B8 publication Critical patent/EP3687636B8/fr
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Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C35/00—Permanently-installed equipment
    • A62C35/58—Pipe-line systems
    • A62C35/68—Details, e.g. of pipes or valve systems
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C35/00—Permanently-installed equipment
    • A62C35/58—Pipe-line systems
    • A62C35/62—Pipe-line systems dry, i.e. empty of extinguishing material when not in use
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C35/00—Permanently-installed equipment
    • A62C35/58—Pipe-line systems
    • A62C35/64—Pipe-line systems pressurised
    • A62C35/645—Pipe-line systems pressurised with compressed gas in pipework
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/04—Hydraulic or pneumatic actuation of the alarm, e.g. by change of fluid pressure
    • 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
    • A62C35/605—Pipe-line systems wet, i.e. containing extinguishing material even when not in use operating and sounding alarm automatically

Definitions

  • the present invention relates to a dry alarm valve station for a fire extinguishing system.
  • the invention also relates to a fire extinguishing system with a dry alarm valve station.
  • Dry alarm valve stations also referred to as TAV stations
  • TAV stations Dry alarm valve stations
  • a sprinkler line is usually provided downstream of the dry alarm valve station, which is typically distributed in a network in a building in order to be able to supply sprinklers distributed over small or large areas with extinguishing fluid in one or more rooms.
  • the sprinklers are usually closed gas-tight in their standby state and are opened in the event of a fire, for example after a thermally active element has been triggered.
  • the drying pipe networks are usually filled with pressurized air. After opening at least one sprinkler, the pressurized gas escapes from the sprinkler, as a result of which there is a pressure drop in the sprinkler line. This event leads in a known manner to the opening of the dry alarm valve station and subsequently to one Alerting.
  • known dry alarm valve stations have an alarm line which extends from an alarm valve in the direction of an alarm device which, for example, can have a pressure switch and / or an alarm bell.
  • the alarm means is usually set up to trigger an alarm as a function of pressure, i.e. when a predetermined threshold value is reached or exceeded in the alarm line, the alarm line being connected to the alarm valve in such a way that it is flooded when the alarm valve passes from a blocking state to the release state.
  • the gas in the alarm line which is under ambient pressure or possibly under overpressure, must first escape.
  • a pilot operated dry alarm valve for a sprinkler network is known.
  • a pilot chamber of the pilot operated dry alarm valve should be depressurized in the event of a fault message from a fire alarm and control center.
  • An accelerator which is connected to the pilot operated dry alarm valve when the pilot chamber is depressurized, opens a valve disk of the dry alarm valve when the pressure in the sprinkler pipe network drops, so that extinguishing water from a water supply can flow into a dry pipe network.
  • Other relevant dry alarm valves are off US 2013/0098641 A1 such as DE 10 2016 211 240 A1 known.
  • the invention was based on the object of overcoming the disadvantages outlined above as far as possible.
  • the invention was based on the object of specifying a dry alarm valve station which reduces the number of alarms in the system Air volume, especially the volume of pressurized air, reduced without compromising the reliability of the system.
  • the invention was based on the object of specifying an alternative dry alarm valve station and an alternative fire extinguishing system with such a dry alarm valve station.
  • the invention solves the problem on which it is based by proposing a dry alarm valve station according to claim 1.
  • the dry alarm valve station according to the invention has an alarm valve which can be connected on the inlet side to a supply line filled with extinguishing fluid and on the outlet side to a sprinkler line that is air-filled in a standby state of the fire extinguishing system and has a pressure-actuated valve body controlled by means of a control chamber, which is designed to connect the supply line from the To separate the sprinkler line as long as a predetermined control pressure is present in the control chamber, and to connect the supply line to the sprinkler line in a release state.
  • the dry alarm valve station also has an alarm line which is connected to the alarm valve in such a way that the alarm line is flooded with extinguishing fluid when the alarm valve assumes the release state, and an alarm device, preferably with an alarm pressure switch, which is connected to the alarm line and is set up to to trigger an alarm signal when a predetermined fluid pressure is present in the alarm line.
  • the dry alarm valve station also has a first pressure-actuated valve which is interposed between the alarm device and the alarm valve, is controlled by means of the control chamber, and is set up to block the alarm line as long as the predetermined control pressure is present in the control chamber and to release the alarm line when in the control chamber falls below the predetermined control pressure.
  • the invention makes use of the knowledge that by interposing a pressure-actuated valve and activating this pressure-actuated valve by means of the same control chamber with which the alarm valve is activated, the alarm line is divided into a pressurized part and a potentially relieved part to the alarm device .
  • This makes it possible to keep the alarm device depressurized in the standby state, which simplifies maintenance and is advantageous with regard to the components of the alarm device.
  • the necessary pressure threshold values can also be reduced, which enables a faster response.
  • the pressurized area which must first be vented for an alarm, and which forms an "alarm chamber" so to speak, takes up a significantly smaller volume than in the prior art, since it is only through the part of the alarm line between the alarm valve and the first pressure actuated valve.
  • This also improves the response behavior the dry alarm valve station with regard to alarming.
  • the invention is advantageously developed in that the dry alarm valve station has a fluid outlet and a second pressure-actuated valve, which is interposed between the control chamber and the outlet, is controlled by means of the alarm line downstream of the first pressure-actuated valve and is set up to relieve the control chamber when the first pressure-actuated Valve releases the alarm line.
  • the discharge of extinguishing fluid is made more constant and reliable: after the alarm valve is opened, extinguishing fluid penetrates the sprinkler line on the outlet side. Since the control chamber of the dry alarm valve station is usually flooded from the fluid inlet side via a bypass, after opening the alarm valve there is the risk that the control chamber will at least partially close the alarm valve again due to the penetrating extinguishing fluid.
  • the control chamber is connected to the drain and thus relieved of pressure as soon as the second pressure-applied valve is activated. This occurs due to the activation on the downstream side of the alarm line from the first pressure-actuated valve immediately after the first pressure-actuated valve has released the alarm line. This means that the control chamber is reliably kept open by the second pressure-actuated valve as soon as the extinguishing process is initiated. In this regard, too, the additional outlay on equipment and control outlay is minimal.
  • the first pressure-actuated valve is designed as a normally open valve (NO valve), preferably as an NO membrane valve.
  • the second pressure-actuated valve is preferably designed as a normally closed valve (NC valve), preferably as an NC diaphragm valve.
  • NC valve normally closed valve
  • the second pressure-actuated valve is particularly preferably designed as an NC relief valve (PORV).
  • the fluid outlet is preferably formed directly on the second pressure-actuated valve, which further optimizes the structural design and installation effort.
  • the dry alarm valve station is pilot-controlled.
  • the dry alarm valve station has a pilot valve which is connected to a control chamber and is set up to block or relieve the control chamber.
  • the pilot valve is a pressure-actuated valve which is controlled by means of the pressure applied to the alarm valve on the outlet side and is set up to block the control chamber as long as a predetermined standby pressure is applied to the alarm valve on the outlet side and to relieve the control chamber, as soon as the predetermined standby pressure is not reached.
  • the pressure in the sprinkler line is understood by the pressure applied to the alarm valve on the outlet side.
  • the pilot valve can be arranged directly on the dry alarm valve station, but also at a distance from the dry alarm valve station, preferably in a close range of up to 2 m from the dry alarm valve station, from the alarm valve.
  • the standby pressure is that pressure on the outlet side of the alarm valve, i.e. in the dry part of the fire extinguishing system in the assembled state, that is present in the standby state.
  • the standby pressure is preferably in a range of less than 2 bar.
  • the pressure is particularly preferably in a range from 1 to 1.5 bar and thus significantly lower than in the prior art.
  • the sprinkler network can be made significantly larger because there is less air in the system in the sprinkler line that has to escape at the beginning of an extinguishing event.
  • the pilot valve in this embodiment is preferably designed as a diaphragm valve or constant pressure valve.
  • the pilot valve is designed as a normally closed valve (NC valve).
  • the pilot valve is a solenoid valve which can be connected to a fire alarm and / or extinguishing control center to conduct signals and is set up to relieve the control chamber as a function of a trigger command from the fire alarm and / or extinguishing control center.
  • the control of the pilot valve is no longer dependent on the pressure drop in the sprinkler line. With the appropriate control by the fire alarm and / or extinguishing control center, this enables the sprinkler lines to be flooded before they have triggered.
  • a fire alarm and / or extinguishing control center is usually connected in a signal-conducting manner to one or more fire detectors, which are set up to detect one or more fire parameters and can therefore respond before a sprinkler is triggered.
  • the use of a pilot valve controlled by signal technology is advantageous in that the sprinkler line downstream of the dry alarm valve station can be made essentially pressureless and this means that no pressurized air has to be kept in the ready state in the sprinkler line because the pressure drop in the sprinkler line is not a control condition for represents the pilot valve. This further improves the response behavior of the dry alarm valve station.
  • the pilot valve designed as a solenoid valve is also preferably designed as a normally closed valve (NC valve).
  • the pilot valve which is a pressure-actuated valve
  • the dry alarm valve station also has a second pilot valve, which is a solenoid valve, which can be connected in a signal-conducting manner to a fire alarm and / or extinguishing control center and is set up to to relieve the control chamber depending on a trigger command from the fire alarm and / or extinguishing control center.
  • the two pilot valves are preferably connected in series, the second pilot valve preferably being interposed upstream of the first pressure-actuated pilot valve.
  • the pilot control redundancy implemented in this way reduces the triggering of the dry alarm valve station as a result of mere pressure fluctuations in the supply line, since, in addition to the pressure drop in the sprinkler line, it is also controlled by the fire alarm and / or extinguishing control center (e.g. after a fire has been detected by a fire alarm) must to relieve the control chamber.
  • the second pilot valve is preferably designed as a normally closed valve (NC valve).
  • the second pilot valve is preferably designed as a normally open valve (NO valve).
  • NO valve normally open valve
  • the second pilot valve is kept closed, for example, by a constantly applied current or voltage signal. If there is a power failure or an unintentional interruption of the signal-conducting connection, for example due to a cable break, in this configuration the dry alarm valve station can still be operated via the pressure-actuated pilot valve.
  • the dry alarm valve station has a pressure measuring transducer which is operatively connected to the outlet side of the alarm valve and can be connected to the fire alarm and / or extinguishing control center in a signal-conducting manner.
  • This pressure sensor can be used to monitor the pressure in the sprinkler line.
  • a pressure switch can also be provided in advantageous embodiments.
  • the control of the pilot valve (s) can take place in such an embodiment as a function of a pressure drop in the sprinkler line reported by the pressure sensor or pressure switch, provided that the fire alarm and / or extinguishing control center is configured accordingly.
  • the dry alarm valve station also has a third pilot valve, which is a solenoid valve which can be connected to a fire alarm and / or extinguishing control center and is set up to relieve the control center as a function of a trigger command from the fire alarm center, whereby preferably the second pilot valve is designed as a normally open valve, and preferably the third pilot valve is designed as a normally closed valve.
  • a pressure sensor or pressure switch is preferably also operatively connected to the outlet side of the alarm valve and is set up to output a signal to the fire alarm and / or extinguishing control center when the pressure falls below a predetermined value, which then controls the third pilot valve.
  • the invention has been described above with reference to a dry alarm valve station.
  • the invention further relates to a fire extinguishing system with a sprinkler line, one or more sprinklers arranged distributed on the sprinkler line, a supply line, and a dry alarm valve station that connects the supply line to the sprinkler line.
  • the invention solves the problem on which it is based in such a fire extinguishing system in which the dry alarm valve station is designed according to one of the preferred embodiments described above.
  • the invention is further developed with regard to the fire extinguishing system in that the dry alarm valve station has a pressure-actuated pilot valve which is controlled by means of the pressure applied to the alarm valve on the outlet side and is set up to block the control chamber as long as a predetermined pressure is applied to the alarm valve on the outlet side Operating pressure is applied and the control chamber is relieved as soon as the pressure falls below the predetermined standby pressure, the fire extinguishing system having at least one pilot control line and at least one pilot control sprinkler arranged on the pilot control line, the pilot control valve being controlled by means of the pilot control line and being set up to block the control chamber, as long as there is a predetermined standby pressure in the pilot control line and to relieve the control chamber as soon as the predetermined standby pressure is undershot.
  • the fire extinguishing system has a separate sprinkler system, which is filled with pressurized air in the standby state and is only there to relieve the control chamber when the pressure drop is registered.
  • the sprinkler line which is connected to the supply line via the alarm valve, can be kept pressureless in the standby state.
  • the fire extinguishing system also has at least one fire alarm, which is connected to the fire alarm and / or extinguishing control center in a signal-conducting manner, the pilot valve designed as a solenoid valve, or at least one of the pilot valves designed as a solenoid valve in the case of using several pilot valves, signal-conducting to the fire alarm and / or extinguishing control center is connected and the fire alarm and / or extinguishing control center is set up to control the pilot valve, or at least one of the pilot valves, depending on the message from at least one fire detector.
  • the dry alarm valve station preferably has a pressure measuring transducer, which is operatively connected to the outlet side of the alarm valve and is connected to the fire alarm and / or extinguishing control center in a signal-conducting manner, and the pressure measuring transducer is connected to the fire alarm and / or extinguishing control center in a signal-conducting manner, with the fire alarm and / or extinguishing control center is set up to control the pilot control valve or at least one of the pilot control valves as a function of the pressure measured values reported by the pressure measuring transducer to the fire alarm and / or extinguishing control center.
  • the alarm device in particular its alarm pressure switch, is preferably connected to the fire alarm and / or extinguishing control center in a signal-conducting manner.
  • a feedback signal can be generated with regard to the triggering of the alarm to the fire alarm and / or extinguishing control center as soon as the alarm line is flooded and the alarm device is actuated.
  • FIG. 1 a fire extinguishing system 100a is shown.
  • the fire extinguishing system 100a has a dry alarm valve station 1, which comprises an alarm valve 3, which is connected on the inlet side to a supply line 5 for an extinguishing fluid, and on the outlet side is connected to a sprinkler instruction 7 on which a plurality of sprinklers S are distributed.
  • the alarm valve which in the present exemplary embodiment is designed as a deluge valve, has a control chamber 11 in which a diaphragm-operated control piston is arranged, which controls a valve body 9 of the alarm valve 3 in a pressure-operated manner.
  • the control chamber 11 is opened from the inlet side of the alarm valve 3 by means of a bypass line 13, which optionally has a dirt trap and / or a throttle and / or a non-return valve, is pressurized in order to prevent the in Figure 1 display the standby state shown with the valve body closed. In this standby state, the valve body 9 blocks the alarm valve 3 against the passage of fluid from the inlet side to the outlet side.
  • the dry alarm valve station 1 has an alarm line 15 which extends from the alarm valve 3 to an alarm device 17.
  • the alarm device 17 has an alarm pressure switch 25 and a hydraulic alarm bell 27.
  • the alarm device 17 is set up to be activated when the alarm line 15 is flooded by opening the valve body 9.
  • a (first) pressure-actuated valve 19, which is controlled by means of the pressure in the control chamber 11, is interposed between the alarm valve 3 and the alarm device 17.
  • the pressure operated valve 19 is a normally open diaphragm valve.
  • the (first) pressure-actuated valve 19 is kept in the closed state. In this state, the part of the alarm line 15 between the alarm valve 3 and the alarm device 17 is blocked. The pressure in the sprinkler line 7 is thus shut off.
  • the downstream part of the alarm line 15 up to the alarm device 17 is preferably pressureless.
  • the dry alarm valve station has, in addition to the (first) pressure-actuated valve 19, a second pressure-actuated valve 21, preferably a pressure-actuated relief valve (PORV), which is designed as a normally closed valve and has a relief opening 23 on the outflow side, which is a fluid outlet of the dry alarm valve station 1.
  • PORV pressure-actuated relief valve
  • the second pressure-actuated valve 21 is controlled by means of the pressure in the alarm line 15 downstream of the first pressure-actuated valve 19 and opens as soon as the alarm line 15 is flooded after the first pressure-actuated valve has opened.
  • the second pressure-actuated valve 21 is connected on the inlet side to the control chamber 11 of the alarm valve 3 and is set up to relieve this in the open state, so that closing of the valve body 9 as a result of a pressure build-up in the control chamber 11 after the extinguishing process has been triggered is reliably avoided.
  • the alarm valve 3 is pilot controlled by means of a pilot valve 29.
  • the pilot valve 29 is preferably a pressure-actuated, normally open valve, which is set up to relieve the control chamber 11 in the open state and to block it in the closed state, the pilot valve 29 being controlled by means of the pressure applied to the alarm valve 3 on the outlet side.
  • a pressure in a range between 0.5 and 2 bar should preferably be present in the sprinkler line 7 so that the pilot valve 29 is reliably kept in the closed state. If a pressure drop is generated in the sprinkler line 7, for example by opening one or more sprinklers, the pilot valve 29 opens so that the relief of the control chamber 11 begins and the valve body 9 can release the alarm valve 3.
  • the first pressure-actuated valve 19 is then also opened, whereby the alarm line 15 is flooded and the alarm is then issued by the alarm device 17, the second pressure-actuated valve 21 preventing the valve body 9 in the alarm valve 3 from closing inadvertently.
  • a pressure sensor 31 and / or a further pressure switch 33 is provided on the outlet side of the alarm valve 3 in order to be able to monitor the pressure profile in the sprinkler line 7.
  • the sprinkler line 7, the alarm line 15 and the corresponding control lines are preferably supplied by means of a compressed air supply 35.
  • the fire extinguishing system 100a optionally has a venting accelerator 37 which, when a predetermined pressure drop within the sprinkler line 7 is registered, releases a line cross-section in order to achieve accelerated venting.
  • the fire extinguishing system 100b shown is functionally identical in essential aspects to the fire extinguishing system 100a according to FIG Figure 1 .
  • the fire extinguishing system 100b shows an electrically pilot-controlled dry alarm valve station 1 in which a pilot valve 29 'designed as a solenoid valve is provided, which is designed as a normally closed valve.
  • the pilot valve 29 ' is connected in a signal-conducting manner to a fire alarm and / or extinguishing control center 101, which in turn is connected to a number of fire alarms D in a signal-conducting manner is, the fire alarms D are set up to detect one or more fire parameters.
  • the fire extinguishing system 100b and its dry alarm valve station 1 differ from the system according to FIG Figure 1 that the actuation of the alarm valve 3 does not have to be triggered by opening one or more sprinklers S, but rather when a fire parameter is detected by one or more of the sprinklers D, the sprinkler line 7 can be pre-flooded, provided that the fire alarm and / or extinguishing control center 101 sends a corresponding control command to the pilot valve 29 '.
  • the sprinkler line 7 can be kept pressureless in its ready state in the fire extinguishing system 100b.
  • the sprinkler line 7 should be subjected to a certain pressure, for example in a range of 0.5-1 bar. The less air there is in the sprinkler line 7, the faster the venting will take place in the event of an emergency.
  • FIG. 3 shows a further modification of the dry alarm valve station 1 in a fire extinguishing system 100c.
  • the fire extinguishing system 100c differs from the fire extinguishing systems 100a, 100b in that, as a synthesis of the two fire extinguishing systems 100a, b, it has both a first pilot valve 29 and the second pilot valve 29 'according to FIG Figure 2 .
  • the first and second pilot valves 29, 29 ' are connected in series, so that redundant activation of both pilot valves 29, 29' must take place in order to relieve the control chamber 11.
  • the second pilot valve 29 ' can either be designed as a normally closed valve, as in FIG Figure 2 , or as a normally open valve. In the latter case, the alarm valve is activated by the pilot valve 29 even if an alarm is not issued by the fire alarm and / or extinguishing control center 101, or if the signal-conducting connection between the second pilot valve 29 'and the fire alarm and / or extinguishing control center 101 is disturbed.
  • a fire extinguishing system 100d is shown, which is built on the fire extinguishing tray 100b.
  • the pilot valve 29 ' is activated either alternatively, additionally or redundantly as soon as the pressure switch 33 has registered a pressure drop in the sprinkler line 7 and transmitted a corresponding signal to the fire alarm and / or extinguishing control center 101. This is indicated by the arrows in the signal lines between the fire alarm and / or extinguishing control center 101, pilot valve 29 ′ and pressure switch 33.
  • a fire extinguishing system 100e according to a further exemplary embodiment is then shown, which, to a certain extent, is a synthesis between the fire extinguishing systems 100c and 100d according to FIGS Figures 3 and 4th represents.
  • the dry alarm valve station 1 installed here includes, in addition to the first and second pilot valves 29, 29 ', a third pilot valve 29 ", which is designed as a normally closed solenoid valve and is connected in parallel to the first and second pilot valves 29, 29'.
  • the alarm pressure switch 25 of the alarming device 17 is connected to the fire alarm and / or fire extinguishing control center 101 in a signal-conducting manner in order to be able to send a corresponding signal to it in the event of an alarm.
  • a fire extinguishing system 100f is shown in which the dry alarm valve station 101 is similar to the exemplary embodiment according to FIG Figure 1 is purely pneumatically piloted by means of a pilot valve 29. However, the fire extinguishing system 100f has a separate pilot control line 39, on which a number of pilot control sprinklers S ′ are distributed.
  • the pilot control line 39 is preferably to be pressurized by means of a dedicated compressed air supply 43.
  • the pilot control valve 29 is activated by means of the pilot control line 39 and is set up to relieve the control chamber 11 as soon as the pilot control sprinklers S ′ and not the regular sprinklers S in the sprinkler line 7 are triggered.
  • the pilot control line 29 preferably also has a connection to a venting accelerator 41 which, in the event of one or more sprinklers S ′ being triggered, brings about accelerated venting of the pilot control line 39.
  • a diaphragm valve or a constant pressure valve could be used, for example, the constant pressure valve offering advantages in particular with regard to a control pressure required in the standby state.

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  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)

Claims (16)

  1. Station de soupape d'alarme à sec (1) d'une installation d'extinction d'incendie (100a-f), avec
    une soupape d'alarme (3), qui peut être raccordée côté entrée à un conduit d'alimentation (5) rempli de fluide d'extinction et côté sortie à un conduit de sprinkler (7) rempli d'air dans un état de veille de l'installation d'extinction d'incendie (100a-f), et qui présente un corps de soupape (9) actionné par pression, piloté au moyen d'une chambre de commande (11), qui est mis au point pour séparer dans un état de verrouillage le conduit d'alimentation (5) du conduit de sprinkler (7) tant qu'une pression de commande prédéfinie règne dans la chambre de commande (11), et pour raccorder, dans un état de déverrouillage, le conduit d'alimentation (5) au conduit de sprinkler (7),
    un conduit d'alarme (15), qui est connecté à la soupape d'alarme (3) de telle manière que le conduit d'alarme (15) est noyé de fluide d'extinction quand la soupape d'alarme (3) adopte l'état de déverrouillage, et
    un dispositif de lancement d'alarme (17), de préférence avec un commutateur manométrique d'alarme (25), qui est connecté au conduit d'alarme (15) et est mis au point pour déclencher un signal d'alarme quand une pression de fluide prédéfinie règne dans le conduit d'alarme (15),
    caractérisée par une première soupape actionnée par pression, laquelle est branchée de manière intercalée entre le dispositif de lancement d'alarme (17) et la soupape d'alarme (3), est pilotée au moyen de la chambre de commande (11) et est mise au point pour verrouiller le conduit d'alarme (15) tant que la pression de commande prédéfinie règne dans la chambre de commande (11), et pour le déverrouiller quand la pression de commande prédéfinie n'est pas dépassée dans la chambre de commande (11) .
  2. Station de soupape d'alarme à sec (1) selon la revendication 1,
    avec une sortie de fluide (23) et une deuxième soupape (21) actionnée par pression, laquelle est branchée de manière intercalée entre la chambre de commande (11) et la sortie de fluide (23), est pilotée au moyen du conduit d'alarme (15) en aval de la première soupape (19) actionnée par pression et est mise au point pour décharger la chambre de commande (11) quand la première soupape (19) actionnée par pression déverrouille le conduit d'alarme (15).
  3. Station de soupape d'alarme à sec (1) selon la revendication 1 ou 2,
    dans laquelle la première soupape (19) actionnée par pression est réalisée en tant que soupape NO, de préférence en tant que soupape à membrane NO.
  4. Station de soupape d'alarme à sec (1) selon la revendication 2 ou 3,
    dans laquelle la deuxième soupape (21) actionnée par pression est réalisée en tant que soupape NC, de préférence en tant que soupape à membrane NC, de manière particulièrement préférée en tant que soupape de décharge NC.
  5. Station de soupape d'alarme à sec (1) selon l'une quelconque des revendications précédentes, avec une soupape pilote (29, 29', 29"), qui est connectée à la chambre de commande (11) et est mise au point pour verrouiller ou décharger la chambre de commande (11).
  6. Station de soupape d'alarme à sec (1) selon la revendication 5,
    dans laquelle la soupape pilote (29) est une soupape actionnée par pression, laquelle est pilotée au moyen de la pression régnant côté sortie sur la soupape d'alarme (3) et est mise au point pour verrouiller la chambre de commande (11) tant qu'une pression de mode de veille prédéfinie règne côté sortie sur la soupape d'alarme (3), et pour décharger la chambre de commande (11) dès que la pression de mode de veille prédéfinie est passée en dessous du seuil,
    dans laquelle de préférence la soupape pilote (29) est réalisée en tant que soupape à membrane ou soupape à pression constante, de préférence en tant que soupape NC.
  7. Station de soupape d'alarme à sec (1) selon la revendication 5,
    dans laquelle la soupape pilote (29', 29") est une électrovanne, qui peut être raccordée par liaison de signalisation à un poste central d'alerte incendie et/ou de commande d'extinction (101) et est mise au point pour décharger la chambre de commande (11) en fonction d'une instruction de déclenchement du poste central d'alerte incendie et/ou de commande d'extinction (101),
    dans laquelle de préférence la soupape pilote (29', 29") est réalisée en tant que soupape NC.
  8. Station de soupape d'alarme à sec (1) selon l'une quelconque des revendications 5 à 7,
    dans laquelle la soupape pilote (29) est une première soupape pilote et la station de soupape d'alarme à sec (1) présente en supplément une deuxième soupape pilote (29'), laquelle est une électrovanne, qui peut être raccordée par une liaison de signalisation à un poste central d'alerte incendie et/ou d'extinction d'incendie (101) et est mise au point pour décharger la chambre de commande (11) en fonction d'une instruction de déclenchement du poste central d'alerte incendie et/ou de commande d'extinction (101), dans laquelle la deuxième soupape pilote (29') est réalisée de préférence en tant que soupape NC ou en tant que soupape NO.
  9. Station de soupape d'alarme à sec (1) selon l'une quelconque des revendications 7 ou 8,
    avec un capteur de mesure de pression (31), qui coopère avec le côté de sortie de la soupape d'alarme (3) et peut être raccordé par une liaison de signalisation au poste central d'alerte incendie et/ou de commande d'extinction (101).
  10. Station de soupape d'alarme à sec (1) selon la revendication 8,
    dans laquelle la station de soupape d'alarme à sec (1) présente en supplément une troisième soupape pilote (29"), laquelle est une électrovanne, qui peut être raccordée par une liaison de signalisation au poste centrale d'alerte incendie et/ou de commande d'extinction (101) et est mise au point pour décharger la chambre de commande (11) en fonction d'une instruction de déclenchement du poste central d'alerte incendie et/ou de commande d'extinction (101), dans laquelle de préférence la deuxième soupape pilote (29') est réalisée en tant que soupape NO, et de préférence la troisième soupape pilote (29") est réalisée en tant que soupape NC.
  11. Installation d'extinction d'incendie (100a-f), avec
    un conduit de sprinkler (7),
    un ou plusieurs sprinklers (S) disposés de manière répartie sur le conduit de sprinkler (7),
    un conduit d'alimentation (5), et
    une station de soupape d'alarme à sec (1), qui raccorde le conduit d'alimentation (5) au conduit de sprinkler (7),
    caractérisée en ce que la station de soupape d'alarme à sec (1) est réalisée selon l'une quelconque des revendications précédentes.
  12. Installation d'extinction d'incendie (100f) selon la revendication 11, avec une station de soupape d'alarme à sec (1) selon la revendication 6, avec au moins un conduit pilote (39) et au moins un sprinkler pilote (S') disposé sur le conduit pilote,
    dans laquelle la soupape pilote (29) est pilotée au moyen du conduit pilote (39) et est mise au point pour verrouiller la chambre de commande (11) tant qu'une pression de mode de veille prédéfinie règne dans le conduit pilote (39), et pour décharger la chambre de commande (11) dès que la pression de mode de veille prédéfinie est passée en dessous du seuil.
  13. Installation d'extinction d'incendie (100b-e) selon la revendication 11, avec une station de soupape d'alarme à sec (1) selon l'une quelconque des revendications 7 à 10,
    avec un poste central d'alerte incendie et/ou de commande d'extinction (101).
  14. Installation d'extinction d'incendie (100b-e) selon la revendication 13,
    avec au moins un système d'alerte incendie (D), qui est raccordé par une liaison de signalisation au poste central d'alerte incendie et/ou de commande d'extinction (101), dans laquelle la soupape pilote (29') réalisée en tant qu'électrovanne ou au moins une des soupapes pilotes (29', 29") réalisées en tant qu'électrovanne est raccordée par une liaison de signalisation au poste central d'alerte incendie et/ou de commande d'extinction (101) et le poste central d'alerte incendie et/ou de commande d'extinction (101) est mis au point pour piloter la soupape pilote (29') ou au moins une des soupapes pilotes (29', 29") en fonction de la notification d'au moins un système d'alerte incendie (D).
  15. Installation d'extinction d'incendie (100b-e) selon la revendication 13 ou 14,
    dans laquelle la station de soupape d'alarme à sec (1) est réalisée selon la revendication 9 et le capteur de mesure de pression (31) est raccordé par une liaison de signalisation au poste central d'alerte incendie et/ou de commande d'extinction (101), dans laquelle le poste central d'alerte incendie et/ou de commande d'extinction (101) est mis au point pour piloter la soupape pilote (29') ou au moins une des soupapes pilotes (29', 29") en fonction des valeurs de mesure de pression notifiées par le capteur de mesure de pression (31) au poste central d'alerte incendie et/ou de commande d'extinction (101).
  16. Installation d'extinction d'incendie (100b-e) selon l'une quelconque des revendications 13 à 15,
    dans laquelle le dispositif de lancement d'alarme (17), en particulier le commutateur manométrique d'alarme (25), est raccordé par une liaison de signalisation au poste central d'alerte incendie et/ou de commande d'extinction (101).
EP18782327.3A 2017-09-28 2018-09-19 Station de soupape d'alarme à sec et installation d'extinction d'incendie comprenant ladite station Active EP3687636B8 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017122651.6A DE102017122651A1 (de) 2017-09-28 2017-09-28 Trockenalarmventilstation, und Feuerlöschanlage mit selbiger
PCT/EP2018/075296 WO2019063373A1 (fr) 2017-09-28 2018-09-19 Station de soupape d'alarme à sec et installation d'extinction d'incendie comprenant ladite station

Publications (3)

Publication Number Publication Date
EP3687636A1 EP3687636A1 (fr) 2020-08-05
EP3687636B1 true EP3687636B1 (fr) 2021-12-08
EP3687636B8 EP3687636B8 (fr) 2022-01-12

Family

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Application Number Title Priority Date Filing Date
EP18782327.3A Active EP3687636B8 (fr) 2017-09-28 2018-09-19 Station de soupape d'alarme à sec et installation d'extinction d'incendie comprenant ladite station

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Country Link
US (1) US11278754B2 (fr)
EP (1) EP3687636B8 (fr)
CN (1) CN111163844B (fr)
DE (1) DE102017122651A1 (fr)
WO (1) WO2019063373A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11794047B2 (en) 2020-07-31 2023-10-24 Viking Group, Inc. Fluid control valve assembly for fire protection systems

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1869202A (en) * 1926-04-20 1932-07-26 Automatic Sprinkler Co Fluid controlled system
US6158520A (en) * 1998-05-18 2000-12-12 Victaulic Fire Safety Company, L.L.C. Check valve actuator with adjustable seat for air chamber seal
DE202010016720U1 (de) * 2010-08-03 2011-04-28 Minimax Gmbh & Co. Kg Vorgesteuertes Trockenalarmventil für ein Sprinklernetz
WO2012112808A2 (fr) * 2011-02-16 2012-08-23 Tyco Fire Products Lp Actionneur de pilote sec
US9072924B2 (en) * 2011-10-21 2015-07-07 Minimax Gmbh & Co. Kg Preaction dry pipe alarm valve for a sprinkler pipework
DE102014226639A1 (de) * 2014-12-19 2016-06-23 Minimax Gmbh & Co. Kg Feuerlöschanlagenventile und Feuerlöschanlagen mit selbigen
WO2016179406A1 (fr) * 2015-05-06 2016-11-10 Tyco Fire Products Lp Ensemble vanne de commande de fluide et actionneur de vanne intégré
DE102016211240B4 (de) 2016-06-23 2020-10-15 Minimax Gmbh & Co. Kg Sprühwasserventilstation für eine Feuerlöschanlage und Feuerlöschanlage
CN208160869U (zh) * 2018-04-09 2018-11-30 南安市好运来雨具有限公司 一种干式报警阀

Also Published As

Publication number Publication date
EP3687636B8 (fr) 2022-01-12
CN111163844A (zh) 2020-05-15
EP3687636A1 (fr) 2020-08-05
US20200282248A1 (en) 2020-09-10
DE102017122651A1 (de) 2019-03-28
WO2019063373A1 (fr) 2019-04-04
US11278754B2 (en) 2022-03-22
CN111163844B (zh) 2021-10-15

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