EP3554652A1 - Vanne d'installation d'extinction d'incendie, en particulier vanne d'alarme humide, d'alarme sèche ou d'eau de pulvérisation, et installation d'extinction d'incendie équipée de celle-ci - Google Patents

Vanne d'installation d'extinction d'incendie, en particulier vanne d'alarme humide, d'alarme sèche ou d'eau de pulvérisation, et installation d'extinction d'incendie équipée de celle-ci

Info

Publication number
EP3554652A1
EP3554652A1 EP17829166.2A EP17829166A EP3554652A1 EP 3554652 A1 EP3554652 A1 EP 3554652A1 EP 17829166 A EP17829166 A EP 17829166A EP 3554652 A1 EP3554652 A1 EP 3554652A1
Authority
EP
European Patent Office
Prior art keywords
fluid
fire extinguishing
extinguishing system
bypass line
valve
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.)
Granted
Application number
EP17829166.2A
Other languages
German (de)
English (en)
Other versions
EP3554652B1 (fr
Inventor
Matthias Pohl
Frank STACHOWITZ
Peter Kempf
Georg Kunert
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.)
Minimax GmbH and Co KG
Original Assignee
Minimax GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Minimax GmbH and Co KG filed Critical Minimax GmbH and Co KG
Publication of EP3554652A1 publication Critical patent/EP3554652A1/fr
Application granted granted Critical
Publication of EP3554652B1 publication Critical patent/EP3554652B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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
    • 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
    • A62C37/00—Control of fire-fighting equipment
    • A62C37/50—Testing or indicating devices for determining the state of readiness of the equipment

Definitions

  • Fire extinguishing system valve in particular wet alarm, dry alarm or
  • the present invention relates to a fire extinguishing system valve, in particular a wet alarm, dry alarm or Sprühwasserventil, comprising a housing having a fluid inlet chamber, a fluid outlet chamber and a between a blocking state and a release state reciprocable closing body, wherein the fluid inlet chamber and the fluid outlet chamber in Release state fluidly communicate directly with each other, and the closing body in the blocking state prevents the direct communication between the fluid inlet chamber and the fluid outlet chamber.
  • the invention further relates to a fire extinguishing system, in particular a sprinkler system, with one or more fluid lines, in which a fire extinguishing system valve of the aforementioned type for blocking and releasing the fluid line is arranged.
  • Fire extinguishing systems and fire extinguishing systems valves of the type described above are well known.
  • fire extinguishing system valves is understood to mean the class of both passive and active alarm valves for use in fire extinguishing systems, especially fire extinguishing systems with water-based extinguishing agents (for example water, water with additives and the like).
  • water-based extinguishing agents for example water, water with additives and the like.
  • the most prominent representatives of these valve types are wet and dry alarm valves and spray water valves.
  • active alarm valves is meant that after an input of a corresponding signal from external fire detection means or as a function of external control actions, active by opening the valve, the valves release the fluid flow and trigger an alarm.
  • the aforementioned valve types have in common that they are often installed for long periods in fire extinguishing systems, without having to be used, and it depends that these valves function reliably in an emergency.
  • Fire extinguishing systems valves in particular wet alarm valves are often connected in the blocking state on the inlet side with a water supply having a substantially constant supply pressure, provided for example by a pump system.
  • pressure fluctuations may sometimes occur in the water supply, especially in such constellations, when the fire extinguishing systems are directly connected to the drinking water network.
  • Fire extinguishing systems valves, in particular wet alarm valves are usually connected on the outlet side to a pipe network in which sprinklers or nozzles are provided.
  • pressure fluctuations occur, for example due to temperature fluctuations.
  • External tubing requires space, must be adjusted during assembly, or made to fit, to look visually pleasing, e.g.
  • Vertical lines are also really vertical and are easily exposed to forces during transport or installation, which can lead to leaks at joints, for example, due to deformation.
  • Fire extinguisher valves are also known in which external piping may be arranged such that the extinguishing agent flow from the water inlet side to a fluidic hydraulically operated alarm means connected to the alarm means, such as a water powered alarm bell, may be established when a shut-off valve disposed in the casing is opened.
  • a fluidic hydraulically operated alarm means connected to the alarm means such as a water powered alarm bell
  • This external structure is used, for example, when test alarms are to be carried out without having to move the closing body of the fire extinguishing system valve into the release position, which would result in a flooding of the pipeline system.
  • German Patent and Trademark Office has in the priority application for the present application the following state of the art research: DE 39 37 778 A1, DE 43 20 422 A1, DE 199 30 482 A1, and WO 201 1/065 580 A2.
  • the invention therefore an object of the invention to improve the fire extinguishing system valve and the fire extinguishing system of the type described in such a way that the disadvantages found in the prior art are overcome as much as possible.
  • the invention has the object to provide a fire extinguishing system valve, which allows to avoid a reduction in the reliability of the compensation of pressure fluctuations, and at the same time requires as little as possible in terms of equipment.
  • the invention also had the object of specifying such a fire extinguishing system valve, which can be realized with low installation, maintenance and / or space required at a fire extinguishing system.
  • the invention solves the underlying object in a fire extinguishing system valve of the type described by a built-in housing bypass line, which is fluidly connected to the fluid inlet chamber and extends from there away.
  • the bypass line is partially or completely embedded in a wall and / or a lid or other attachment body of the housing, which is a part of the housing by its direct coupling with the housing.
  • the invention follows the approach to replace the conventional, known from the prior art external piping by integration into the housing component of the fire extinguishing system valve.
  • the integrated bypass line is fluid-conductively connected to the fluid inlet chamber and the fluid outlet chamber.
  • a bypass line can be fed in a simple way extinguishing fluid from the supply side fluid inlet chamber to the pipe side fluid outlet chamber in small flow rates, without the risk of false alarms, and without the risk of accidental release of the sprinkler or nozzles.
  • the invention is advantageously further developed by having a bypass obturator which is reciprocable between a blocking state and a release state, in the release state the fluid inlet chamber and the fluid outlet chamber by means of the integrated bypass line fluidly interconnecting, and in the off state, the fluid inlet chamber and the fluid outlet chamber separates each other.
  • the obturator is integrated in the housing.
  • the obturator is operable from outside the housing, either manually or by means of signaling control.
  • the signal-driven controllability allows compensating detected pressure fluctuations from a spaced-apart fire alarm and / or extinguishing control center, without having to spend on site maintenance personnel on site to the fire extinguishing system.
  • the housing in particular the fluid inlet chamber, the fluid outlet chamber and the closing body or a define with the Closing body cooperating valve seat in response to the extinguishing fluid pressure in the fluid inlet chamber a Hauptvolumenstronn between the fluid inlet chamber and the fluid outlet chamber, the integrated bypass line defined depending on the extinguishing fluid pressure in the fluid inlet chamber a reduced relative to the main volume flow bypass flow between the fluid inlet chamber and the fluid outlet chamber.
  • the main and bypass volumetric flow are understood to mean the maximum possible volumetric flow dependent on the supply pressure. The main volume flow results above all from the pressure loss between the fluid inlet chamber and the fluid outlet chamber in the release state, ie when the closing body is completely open.
  • the possible main flow is also dependent on the nominal size of the valve.
  • the bypass volume flow is preferably less than a volume flow of extinguishing fluid which flows through a sprinkler or a nozzle during operation of a fire extinguishing system.
  • a wet alarm valve with a nominal diameter of DN100 and a nominal pressure range up to 16 bar can have a main volume flow in the range of 1,000 l / min. or more, in particular 2,000 l / min. or more, whereas the bypass flow rate is in the range of 150 l / min. or less, especially 100 l / min. or less.
  • the integrated bypass line has at least one throttle element.
  • the throttle element is preferably accessible from the outside, in particular adjustable from the outside and / or interchangeable. Through the throttle element, a targeted influencing of the bypass volume flow in comparison to the main volume flow can be made.
  • the integrated bypass line has at least one non-return element, which is adapted to release a fluid flow in the direction of the fluid outlet chamber, and to prevent fluid flow in the direction of the fluid inlet chamber.
  • the non-return element is preferably accessible from the outside, further preferably arranged changeable in the housing of the fire extinguishing system valve.
  • the bypass line has one or more outlets for connecting pressure transducers. In such preferred embodiments in which a non-return element is provided, outlets are preferably arranged upstream and downstream of the non-return element.
  • the integrated bypass line has one or more flushing connections for connecting a pressurized flushing medium source and for introducing the flushing medium into the integrated bypass line.
  • the flushing medium used is preferably a flushing fluid, for example a gas or a liquid, but optionally also a fluid-laden fluid.
  • the fire extinguishing system valve has in a further preferred embodiment of the integrated bypass line to a pressure relief outlet, which preferably has a shut-off, in particular a safety valve or a bursting element and is connected to the environment.
  • the pressure relief outlet can be used for example for emptying and / or venting.
  • the fire extinguishing system valve further preferably has an alarm channel integrated into the housing, which is connected in a fluid-conducting manner to the fluid inlet and / or fluid outlet chamber, at least in the release state of the closing body.
  • an alarm channel integrated into the housing, which is connected in a fluid-conducting manner to the fluid inlet and / or fluid outlet chamber, at least in the release state of the closing body.
  • extinguishant may flow to a hydraulically operated alarm means, such as a water powered alarm bell, associated with the alarm valve, as the closure body moves to the release condition.
  • the integrated bypass line is further preferably fluid-conductively connected to the fluid inlet chamber and to the alarm channel, preferably by means of an alarm channel outlet.
  • the alarm channel outlet is preferably formed as part of the pressure relief outlet.
  • the fire extinguisher system valve has two bypass lines, wherein the bypass line extending from the fluid inlet chamber to the fluid outlet chamber is a first bypass line, and the bypass line (10a) extending from the fluid inlet chamber to the alarm channel (also alarm bypass line) is a second bypass line ,
  • the alarm channel is set up for connection to an alarm line, in particular alarm bell line.
  • a check element is arranged in the alarm channel, which is adapted to release a fluid flow in the direction of the alarm line or in the direction of the alarm means, and to prevent fluid flow in the opposite direction.
  • the integrated bypass line has a particle filter.
  • the integrated bypass line is formed in a housing part which is fastened reversibly detachably to the housing, preferably in a housing cover, particularly preferably in a hand-hole cover.
  • a reversibly releasable connection is understood as meaning such a connection which, in principle, can be produced and dissolved as often as required without damage to the connected parts, disregarding wear due to continuous, proper operation.
  • An example of a reversibly releasable connection are screwed connections, clamping or clamping connections.
  • the invention has been described above with reference to the fire extinguisher valve with reference to several preferred embodiments.
  • the invention also solves the fire in a fire extinguishing system of the type described, in particular in a sprinkler system with one or more fluid lines in which a fire extinguisher valve for locking and releasing the fluid line is arranged, the underlying task by the fire extinguisher valve according to one of the preferred embodiments described above is trained.
  • the advantages achieved thereby and the preferred embodiments of the fire extinguishing system reference is made to the above explanations to the fire extinguishing system valve.
  • FIG. 1a shows a schematic representation of a fire extinguishing system valve station of a fire extinguishing system according to the invention, with a fire extinguishing system valve according to a preferred embodiment
  • FIG. 1 b shows a schematic diagram of the interconnection of the fire extinguishing system valve according to FIG. 1 a
  • FIG. 2 shows a detailed representation of a part of the fire extinguishing system valve according to a first exemplary embodiment
  • FIG. 3 shows a detailed illustration of the fire extinguishing system valve according to another
  • FIG. 4 shows a detailed representation of the fire extinguishing system valve according to yet another exemplary embodiment
  • Figure 5 is a detailed view of the fire extinguishing system valve according to yet another embodiment.
  • FIGS. 1a, b systematically depict a fire extinguishing system 100.
  • the fire extinguishing system 100 has one or more fluid lines 101, on which one or more sprinklers or nozzles 103 are provided.
  • the fire extinguishing system 100 has a valve station with a fire extinguishing system valve 1.
  • the fire extinguishing system valve 1 is preferably designed as a wet alarm valve and has a housing 2, to which a housing cover 3 is detachably detachably attached.
  • the housing cover 3 is shown in various embodiments in Figures 2 to 5.
  • the fire extinguishing system valve 1 has a fluid inlet chamber 8 and a fluid outlet chamber 9, which communicate directly with one another in a release state, and in a blocking state can not communicate directly with each other.
  • a closing body 4 is responsible for this function, which can be moved back and forth between the blocking state and the release state and rests in a fluid-tight manner on a valve seat 4b in the blocking state.
  • an alarm channel 5 is integrated in the housing 2 of the fire extinguishing system valve 1. When located in the release position closing body 4 this is no longer on the valve seat 4b on, no longer covers openings therein and thus establishes the fluidic connection between the fluid inlet or fluid outlet chamber and the alarm channel 5 ago.
  • the alarm channel 5 continues to the outside of the housing, where an external alarm line can be connected.
  • the fire extinguishing system valve 1 has a bypass line 10 from the side of the fluid inlet chamber 8 to the side of the fluid outlet chamber 9.
  • Bypass shut-off elements 13 are provided in the bypass line 10 on the inlet side and on the outlet side.
  • one or more pressure transducers 6 are arranged in the bypass line 10.
  • the housing cover 3 of the fire extinguishing system valve 1 shown in FIG. 2 has a throttle element 14 in the bypass line 10.
  • the throttle element 14 is preferably arranged at an outlet 17, which is formed on the side of the fluid inlet chamber 8.
  • the housing cover 3 in the integrated bypass line 10 has a non-return element 15 which has a ball 15a loaded by means of a spring 15b.
  • the non-return element 15 is adapted to release the fluid flow through the integrated bypass line 10 from the fluid inlet chamber 8 in the direction of the fluid exit chamber 9, and to block in the opposite direction.
  • the fluid-conducting connection to the fluid outlet chamber 9 is formed by a further outlet 17 outlet side.
  • FIG. 3 shows a design of the fire-extinguishing system valve 1 that deviates slightly from the housing cover of FIG. 2.
  • the fire extinguishing system valve 1 according to FIG. 3 additionally has a flushing connection 18 in the housing cover 3, which can optionally be closed by a further closure element 11 d.
  • each pressure transducer 6 are connected according to embodiment of Figure 3.
  • FIG. 4 once again shows a slightly different embodiment of the fire extinguishing system valve 1.
  • the housing cover 3 has a bypass shut-off device 13, which can be actuated manually from outside, preferably by means of the handwheel 12.
  • a drain outlet 20 is provided on the housing cover 3, through which the integrated bypass line 10 can be depressurized or emptied.
  • the drain outlet 20 is preferably oriented downwards so that any fluid in the integrated bypass line 10 can flow down by gravity.
  • FIG. 5 shows a detailed view of a further variant of the fire extinguishing system valve 1, which has an alarm channel bypass line 10a, in which a shut-off device 23 is preferably arranged.
  • the fire extinguishing system valve according to this variant can either have both the bypass line 10 (FIGS. 1 to 4) and the alarm bypass line 10a, or only the alarm channel bypass line 10a.
  • a bypass line 10, 10a is integrated into the fire extinguishing system valve 1, either as a housing component embedded in a housing body or as an expansion component directly connected to the housing, as it were as a mounting block.
  • the alarm bypass line 10a is embedded in an attachment 3a, which may be the housing cover 3 according to the figures 1 to 4, a separate housing cover or an attachment block, but in any case is connected without piping to the housing 2 of the fire extinguishing system valve 1.
  • the alarm channel 5 also extends through the attachment 3a through to an outlet 25 to which an external alarm line can be connected.
  • the obturator 23 is optionally manually or electrically controllable and is adapted to selectively enable or disable the fluid-conducting connection between the integrated bypass line 10a and an alarm channel outlet 21.
  • the alarm channel outlet 21 opens into the alarm channel 5, in which preferably a further non-return element 22 is provided.
  • the alarm channel 5 can be purposefully flooded via the integrated bypass line 10a in order to be able to trigger a test alarm without having to open the closing body 4a between the fluid inlet chamber 8 and the fluid outlet chamber 9.
  • the channel cross-section of the integrated bypass line 10a is selected so that an additional throttle for the throttle element 14 according to Figure 2 is not mandatory.
  • the embodiments of Figures 2 to 5 were each explained separately. However, the embodiments are not to be understood as mutually exclusive. It is expressly within the meaning of the invention to combine the individual features of the respective Figures 2 to 5 together to obtain a multifunctional housing in which the invention is embodied.

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)

Abstract

L'invention concerne une vanne d'installation d'extinction d'incendie (1), en particulier une vanne d'alarme humide, d'alarme sèche ou d'eau de pulvérisation. La vanne d'installation d'extinction d'incendie comprend un boîtier (2, 3), qui comporte une chambre d'entrée de fluide (8), une chambre de sortie de fluide (9) et un corps de fermeture (4a) pouvant effectuer des mouvements de va-et-vient entre un état bloqué et un état débloqué. La chambre d'entrée de fluide (8) et la chambre de sortie de fluide (9) communiquent l'une avec l'autre directement avec acheminement de fluide dans l'état débloqué. Le corps de fermeture (4a) empêche dans l'état bloqué la communication directe entre la chambre d'entrée de fluide (8) et la chambre de sortie de fluide (9). La vanne d'installation d'extinction d'incendie est caractérisée par une conduite de dérivation (10) intégrée dans le boîtier, laquelle est reliée avec acheminement de fluide à la chambre d'entrée de fluide (8) et la chambre de sortie de fluide (9).
EP17829166.2A 2016-12-15 2017-12-14 Vanne d'installation d'extinction d'incendie, en particulier vanne d'alarme humide, d'alarme sèche ou d'eau de pulvérisation, et installation d'extinction d'incendie équipée de celle-ci Active EP3554652B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016124475.9A DE102016124475A1 (de) 2016-12-15 2016-12-15 Feuerlöschanlagenventil, insbesondere Nassalarm-, Trockenalarm- oder Sprühwasserventil, und Feuerlöschanlage mit selbigem
PCT/EP2017/082800 WO2018109077A1 (fr) 2016-12-15 2017-12-14 Vanne d'installation d'extinction d'incendie, en particulier vanne d'alarme humide, d'alarme sèche ou d'eau de pulvérisation, et installation d'extinction d'incendie équipée de celle-ci

Publications (2)

Publication Number Publication Date
EP3554652A1 true EP3554652A1 (fr) 2019-10-23
EP3554652B1 EP3554652B1 (fr) 2021-08-25

Family

ID=60972191

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17829166.2A Active EP3554652B1 (fr) 2016-12-15 2017-12-14 Vanne d'installation d'extinction d'incendie, en particulier vanne d'alarme humide, d'alarme sèche ou d'eau de pulvérisation, et installation d'extinction d'incendie équipée de celle-ci

Country Status (5)

Country Link
US (1) US20190388718A1 (fr)
EP (1) EP3554652B1 (fr)
CN (1) CN110087741B (fr)
DE (1) DE102016124475A1 (fr)
WO (1) WO2018109077A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016202441A1 (de) * 2016-02-17 2017-08-17 Minimax Gmbh & Co. Kg Alarmventilstation einer Feuerlöschanlage und Feuerlöschanlage
DE102017116117A1 (de) 2017-07-18 2019-01-24 Minimax Gmbh & Co. Kg Feuerlöschanlagenventil, sowie Feuerlöschanlage mit selbigem
DE102017117426A1 (de) 2017-08-01 2019-02-07 Minimax Gmbh & Co. Kg Feuerlöschanlagenventil
DE102017117417A1 (de) 2017-08-01 2019-02-07 Minimax Gmbh & Co. Kg Feuerlöschanlagenventil, insbesondere Nassalarm-, Trockenalarm-, oder Sprühwasserventil sowie Steuermodul für selbiges und Feuerlöschanlage mit selbigem
JP7318065B2 (ja) * 2018-07-11 2023-07-31 能美防災株式会社 スプリンクラ消火設備
WO2020227655A1 (fr) * 2019-05-09 2020-11-12 Tyco Fire Products Lp Systèmes et procédés d'alarmes dynamiques à faible air pour soupapes de protection contre l'incendie de type différentiel
DE102021203613A1 (de) * 2021-04-13 2022-10-13 Firedos Gmbh Zumischsystem für Feuerlöschanlagen und Verfahren zu seiner Wartung

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US1980096A (en) * 1933-02-24 1934-11-06 Globe Automatic Sprinkler Co Control valve
DE3937778C2 (de) * 1989-11-14 1994-08-18 Total Feuerschutz Gmbh Alarmventilstation
DE4320422A1 (de) 1993-04-08 1994-10-13 Klein Schanzlin & Becker Ag Rückflußverhinderer für Pumpenauslaufrohre
DE4320442C2 (de) * 1993-06-21 1996-09-26 Total Feuerschutz Gmbh Vorrichtung für eine stationäre Feuerlöschanlage und Verfahren zum Betreiben der Feuerlöschanlage
DE19930482A1 (de) * 1999-07-01 2001-01-04 Preussag Ag Minimax Alarmsystem für Sprinkleranlagen
US8720591B2 (en) * 2009-10-27 2014-05-13 Engineered Corrosion Solutions, Llc Controlled discharge gas vent
JP5600417B2 (ja) 2009-11-25 2014-10-01 Ｊｆｅスチール株式会社 表面処理組成物及び表面処理鋼板
CN106032848A (zh) * 2015-02-10 2016-10-19 胡雨晨 一种雨淋阀控制模块
DE202016102193U1 (de) * 2016-04-26 2016-05-19 Minimax Gmbh & Co. Kg Nassalarmventilstation, insbesondere für Sprinkler- oder Wassernebellöschanlage, sowie Feuerlöschanlage mit selbiger

Also Published As

Publication number Publication date
DE102016124475A1 (de) 2018-06-21
CN110087741B (zh) 2021-09-17
WO2018109077A1 (fr) 2018-06-21
EP3554652B1 (fr) 2021-08-25
CN110087741A (zh) 2019-08-02
US20190388718A1 (en) 2019-12-26

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