EP3980139A1 - Löschdüsenadapter zur montage einer löschdüse an einer wand, sowie brandbekämpfungsanlage mit selbigem - Google Patents
Löschdüsenadapter zur montage einer löschdüse an einer wand, sowie brandbekämpfungsanlage mit selbigemInfo
- Publication number
- EP3980139A1 EP3980139A1 EP20732171.2A EP20732171A EP3980139A1 EP 3980139 A1 EP3980139 A1 EP 3980139A1 EP 20732171 A EP20732171 A EP 20732171A EP 3980139 A1 EP3980139 A1 EP 3980139A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- extinguishing
- extinguishing nozzle
- chamber
- housing
- adapter
- 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.)
- Pending
Links
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
- A62C37/09—Control of fire-fighting equipment comprising an outlet device containing a sensor, or itself being the sensor, i.e. self-contained sprinklers telescopic or adjustable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/70—Arrangements for moving spray heads automatically to or from the working position
- B05B15/72—Arrangements for moving spray heads automatically to or from the working position using hydraulic or pneumatic means
- B05B15/74—Arrangements for moving spray heads automatically to or from the working position using hydraulic or pneumatic means driven by the discharged fluid
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/006—Fire prevention, containment or extinguishing specially adapted for particular objects or places for kitchens or stoves
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/005—Delivery of fire-extinguishing material using nozzles
-
- 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
Definitions
- Extinguishing nozzle adapter for mounting an extinguishing nozzle on a wall, as well as
- the present invention relates to an extinguishing nozzle adapter for mounting an extinguishing nozzle on a wall.
- the invention relates to such an extinguishing nozzle adapter for mounting on a wall of a room from outside the room, the wall having a corresponding recess for receiving the extinguishing nozzle in order to introduce extinguishing agent through the wall recess into the room.
- extinguishing agent supply from extinguishing nozzles to a room in such a way that the extinguishing agent supply itself runs outside the room.
- the extinguishing nozzles must at least be arranged with their extinguishing agent outlets so that they can also supply the interior of the room with extinguishing agent. For this reason, the extinguishing nozzles mostly extend completely or at least partially within the room.
- the invention was consequently based on the object of specifying an extinguishing nozzle adapter of the type indicated at the beginning which overcomes the disadvantages described above as far as possible.
- the invention solves the problem on which it is based in such an extinguishing nozzle adapter by having a housing and a chamber for receiving an extinguishing nozzle, the housing having an extinguishing agent connection to the chamber, via which the chamber can be pressurized with extinguishing agent, the chamber being movable Receiving the extinguishing nozzle is set up in such a way that the extinguishing nozzle can be moved back and forth between a first, retracted position and a second, advanced position and is moved towards the advanced position when the chamber is pressurized by means of the extinguishing agent.
- the invention follows the approach that the extinguishing nozzle only has to extend into the room when it is also intended to extinguish. For the majority of the time in practice, in which the extinguishing nozzle only remains inactive, its presence inside the room is not required.
- the invention is based on this and allows the extinguishing nozzle, in the retracted position, to take up less or preferably no space volume, while in the advanced position it protrudes further into the room and can discharge extinguishing agent directly into the room.
- the pressure of the extinguishing agent in the chamber itself is used to move the extinguishing nozzle from the retracted position into the advanced position.
- No additional drive force for example electrical or pneumatic, is therefore necessary to move the nozzle into the advanced position.
- the extinguishing agent pressure ensures that the extinguishing nozzle is subjected to force in the direction of the advanced position.
- the invention is advantageously developed in that the extinguishing nozzle adapter has a return spring which is operatively connected to the extinguishing nozzle and is set up to exert a restoring force on the extinguishing nozzle in the direction of the retracted position.
- the return spring is preferably arranged between the extinguishing nozzle and a corresponding seat surface in the housing of the extinguishing nozzle adapter.
- the return spring is preferably designed to exert a return force in any case when the extinguishing nozzle is deflected from the retracted position in the direction of the advanced position.
- the return spring is pretensioned in such a way that it also exerts a spring force in the direction of the retracted position on the extinguishing nozzle when it is in the retracted position, so that the biasing force of the spring must first be overcome in order to deflect the extinguishing nozzle in the direction of the advanced position .
- a threshold pressure can be defined which must first be overcome before the extinguishing nozzle is advanced in the direction of the advanced position.
- the restoring force is particularly preferably selected such that the threshold pressure is in a range from 0.5 to 5 bar, particularly preferably in a range from 1 bar to 4 bar.
- the chamber has an extinguishing nozzle-side end and a cover arranged at that end, which is designed to close the chamber when the extinguishing nozzle is in the retracted position and to release the chamber when the extinguishing nozzle is in the advanced position is located.
- the cover is preferably arranged in the form of one or more cover elements so that it can pivot between a closed position and an open position on the housing, the extinguishing nozzle being set up to displace the cover from the closed position into the open position when it moves in the direction of the advanced position, and where further preferably a cover
- Reset element is operatively connected to the cover and is set up to exert a reset force on the cover in the direction of the closed position.
- the cover is preferably designed to be attached to the extinguishing nozzle and preferably has at least one recess for an extinguishing agent outlet Extinguishing nozzle open.
- the cover with the extinguishing nozzle is moved along with it when it is moved in the direction of the advanced position. Thanks to the recess in the extinguishing nozzle, the extinguishing agent can leave the extinguishing agent outlet unhindered and supply the room with extinguishing agent.
- a movable piston is arranged in the chamber, which piston is designed to be coupled to an extinguishing agent inlet of the extinguishing nozzle and has a through opening to connect the extinguishing nozzle to the chamber in a fluid-conducting manner.
- the coupling between the extinguishing nozzle and the piston can take place indirectly via one or more connecting elements, or directly, for example by screwing the extinguishing nozzle into the piston.
- the active surface of the piston is preferably an end surface in which the through opening is arranged.
- the chamber has an inner wall surface, along which the piston is slidably guided, with a sealing element preferably being arranged between the piston and the chamber wall.
- the restoring element is connected to the housing on the one hand and the piston on the other hand.
- the restoring element is preferably connected to a piston-side seat surface which is formed on a side facing away from the active surface of the piston.
- the housing is constructed in several parts and preferably has a first housing part, which has an extinguishing agent connection for introducing extinguishing agent into the chamber, and a second housing part, which has the cover.
- the second housing part preferably has an assembly interface for fastening the extinguishing nozzle adapter to the wall.
- the mounting interface can be designed, for example, as a mounting flange or other drilling pattern.
- the housing has a third housing part which has the inner wall surface for guiding the piston.
- the advantage of the multi-part design of the housing is essentially that the component complexity is reduced for each individual component and processing steps, such as the dimensionally accurate production of the guide surface for the piston, can be carried out on a smaller component, which makes handling easier in production improved.
- a positioning element is arranged on the housing, preferably on the assembly interface, which is representative of the alignment of the extinguishing nozzle in the interior of the housing.
- the housing has a first form-locking element, for example a groove, for interacting with a corresponding second form-locking element on the extinguishing nozzle, for example a projection protruding laterally on the extinguishing nozzle.
- the invention relates to a fire-fighting system for fighting fires in a room bounded by a wall, with one or more extinguishing nozzles, which are mounted from outside the room in recesses in the wall and are set up to deliver extinguishing agent into the room through the wall recesses bring in.
- the invention solves the problem mentioned at the beginning by mounting one, several or all of the extinguishing nozzles on the wall by means of an extinguishing nozzle adapter which is designed according to one of the preferred embodiments described above.
- the extinguishing nozzle adapter has a housing and a chamber in which an extinguishing nozzle is received, the housing having an extinguishing agent connection to the chamber via which the chamber can be pressurized with extinguishing agent, the extinguishing nozzle between a first, retracted position and a second, is moved back and forth in the advanced position, and is moved in the direction of the advanced position when the chamber is pressurized by means of the extinguishing agent.
- the preferred embodiments of the extinguishing nozzle adapter according to the invention are at the same time preferred embodiments of the extinguishing nozzle adapter and vice versa. To avoid repetition, reference is made in this regard to the statements above.
- the space that is protected by means of the fire-fighting system is preferably a duct, particularly preferably an exhaust duct for gas-containing substance mixtures such as room air and / or cooking fumes. Due to the restricted space in the ducts, the possibility of a reliable attachment of the extinguishing nozzle is particularly advantageous if it, as provided according to the invention, does not affect the flow of the room in the retracted position and can optimally deliver the extinguishing agent into the room in the advanced position.
- FIGS. 1 a-e show an extinguishing nozzle adapter according to a first exemplary embodiment
- FIGS. 2a, b an extinguishing nozzle adapter according to a second exemplary embodiment
- Figure 3 shows an extinguishing nozzle adapter according to a third preferred
- FIG. 4 shows an extinguishing nozzle adapter according to a fourth exemplary embodiment
- FIG. 5 shows an extinguishing nozzle adapter according to a fourth exemplary embodiment
- FIGS. 6a-d show a fire fighting system with an extinguishing nozzle adapter according to FIGS. 1-5.
- FIG. 1 ae shows an extinguishing nozzle adapter 1 according to a first preferred embodiment of the invention.
- the extinguishing nozzle adapter 1 has a housing 3, which is set up for mounting on a wall of a room.
- a cover 5 is pivotably arranged on the housing.
- a cover resetting element 6 is preferably arranged between the housing 3 and the cover 5 and is designed to reset the cover 5 into the closed position shown in FIG. 1 a, provided that it is deflected.
- Fig. 1 b shows the extinguishing nozzle adapter 1 with the cover 5 open.
- the extinguishing nozzle 7 inserted in the extinguishing nozzle adapter 1 can be seen, which is in an advanced end position in which, in the assembled state, it is in the space to be extinguished. would extend into it.
- the extinguishing nozzle 7 is guided in the housing 3 of the extinguishing nozzle adapter 1 in a longitudinally movable manner along a longitudinal axis L, see FIG. 1 d.
- the extinguishing nozzle 7 has a first extinguishing agent outlet 9 and two second extinguishing agent outlets 1 1, see Fig.
- the advanced position of the extinguishing nozzle 7 is preferably selected such that the extinguishing agent discharge in the region of the angle a is not disturbed by the cover 5.
- a piston 13 is arranged in the interior of the housing 3 and slides movably along an inner wall surface 21, guided in the direction of the longitudinal axis L.
- the piston 13 and the inner wall surface 21 are arranged in a chamber 15 of the housing 3, which is connected in a fluid-conducting manner to an extinguishing agent connection 17 so that pressurized extinguishing agent can flow into the chamber 15 through the extinguishing agent connection 17.
- the extinguishing agent comes into contact with an active surface 16 of the piston 13, as a result of which a force is exerted on the piston in the direction of the advanced position (FIG. 1 b).
- the cover 5, which is displaced by the extinguishing nozzle 7, is arranged opposite the extinguishing agent inlet 17 at an end 18 on the extinguishing nozzle side.
- the piston 13 is provided with a passage opening 19, via which the pressurized fluid can also flow into the extinguishing nozzle 7 and from there is conveyed to the extinguishing agent outlets 9, 11.
- the piston 13 is guided in a fluid-tight manner on the inner wall 21 in the chamber 15 by means of a sealing element 23.
- a return spring 27 is arranged between the piston 13 and the housing 3.
- the return spring 27 is set up to move the piston 13 in the direction of the retracted position (FIG. 1 d).
- the advanced position of the extinguishing nozzle 7 is defined by a stop 24 against which the piston 13 comes to rest in its advanced position.
- the housing 3 is constructed in two parts and comprises a first housing part 3 a, which has the extinguishing agent outlet 17, and a second housing part 3 b, which has the cover 5.
- a mounting interface 25 in the form of a flange ring is also formed on the second housing part 3b.
- the extinguishing nozzle adapter is mounted on a wall of a room by means of the mounting interface 25.
- the extinguishing nozzle 7 and the housing 3 are preferably coupled to one another via corresponding form-fit elements 26, 28, so that the extinguishing nozzle 7 is mounted relative to the housing 3 in a predetermined orientation.
- a marking or a similar positioning element (not shown) is attached to the assembly interface 25 or another location on the outside of the housing 3, via which a fitter can determine the alignment of the extinguishing nozzle adapter 1. Due to the positive coupling between the extinguishing nozzle 7 and the housing 3, based on a rotational position of the extinguishing nozzle 7 about the longitudinal axis L, the positioning element on the outside of the extinguishing nozzle adapter can be used to make a statement about the orientation of the extinguishing nozzle 7 itself, which minimizes or reduces the risk of incorrect installations even excludes.
- extinguishing agent outlets 9, 11 of the extinguishing nozzle 7 are provided in the form of nozzle inserts 31 which are let into corresponding recesses 29 in the extinguishing nozzle 7.
- the housing 3 has one or more joints 8 and the cover 5 has corresponding joints 10.
- the cover 5 and the housing 3 are coupled to one another by means of a hinge pin 12 which penetrates the joints 8, 10.
- the restoring element 6 in the form of a torsion spring is preferably arranged between two adjacent trades 8.
- the reset element 6 allows the housing 3 or the extinguishing nozzle adapter 1 to be installed in any desired orientation without having to take gravity into account.
- the cover 5 is then kept closed to the return spring 6 when mounted vertically, horizontally or overhead if there is no extinguishing agent pressure in the chamber 15, or the applied extinguishing agent pressure is in any case unable to overcome the restoring force exerted by the return spring.
- an extinguishing nozzle adapter V according to a second embodiment of the invention is shown.
- the extinguishing nozzle adapter V corresponds to the extinguishing nozzle adapter 1 according to FIGS. 1 a-e, so that only the differences are discussed below.
- an alternative cover 5 ' is attached in the extinguishing nozzle adapter V, which has a first cover element 5'a and a second cover element 5'b, which are each pivotably arranged as flaps on the housing 3, in order, preferably by means of corresponding return elements 6, on the Housing 3 are arranged.
- FIG. 2b The basic kinematics and displacement movement of the cover 5 ‘through the extinguishing nozzle 7 when it is moved into the advanced position (FIG. 2b) is the same as in the exemplary embodiment according to FIGS. 1 a-e.
- the difference seen in FIG. 2b is that the two covers 5'a, 5'b do not protrude so far from the housing 3 in the direction of the longitudinal axis L that a larger opening angle a would be possible for the extinguishing agent outlets, or so that a lower advance would be sufficient to be able to cover the same opening angle ⁇ as in the exemplary embodiment according to FIGS. 1 ae.
- the housing in a third exemplary embodiment which is shown in FIG. 3, is designed in three parts.
- the housing 3 ' has a first housing part 3'a, which has the extinguishing agent inlet 17, and a second housing part 3'b, which has the cover 5.
- the housing 3 ' also has a third housing part 3'c which carries the inner wall 21 in which the piston 13 is guided.
- the first and second housing parts 3'a, 3'b are preferably screwed onto a corresponding thread of the third housing part 3'c.
- One or both housing parts 3'a, 3'b can preferably be closed by means of corresponding
- FIG. 4 shows a further exemplary embodiment in which the housing 3 ′′ is designed in four parts. Besides a first
- Housing part 3 ′′ a which has extinguishing agent inlet 17, and a second housing part 3 ′′ b, which has cover 5, and a third housing part 3 ′′ c, in which inner wall 21 is formed for guiding piston 13, comprises the housing 3 "a fourth housing part 3" d, which is set up as a union nut to fasten the second housing part 3 "b to the third housing part 3" c.
- the first housing part 3 “a is connected to the third housing part 3“ c at a separate thread.
- FIGS. 1-4 each have in common that the covers 5, 5 'or cover elements 5'a, b were arranged to be movable to a limited extent but otherwise stationary on the extinguishing nozzle adapter 1, 1', 1 '' and by the extending extinguishing nozzle 7 each were displaced.
- FIG. 5 a preferred embodiment that is slightly modified in this respect is shown, in which a cover 5 ′′ is attached to the extinguishing nozzle 7.
- the cover 5 ′′ has a recess through which the extinguishing agent can flow.
- the cover 5 ′′ is moved together with the head of the extinguishing nozzle 7 in a translatory manner from the first position into the second position when the chamber inside the extinguishing nozzle 7 is pressurized.
- FIGS. 1-5 each show an extinguishing nozzle adapter on its own.
- a fire fighting system 100 is also shown.
- the fire-fighting system 100 has a supply line 101 which is fed by an extinguishing agent source 109.
- a pump 108 (or more) is preferably provided, which is connected to the extinguishing agent supply 109 in a fluid-conducting manner and which feed extinguishing agent into the supply line 101 during operation.
- a line network 103 also referred to as a distribution network, is supplied with extinguishing agent via a valve station 102.
- One or more extinguishing nozzles 7 according to the present invention are installed in the line network 103.
- the extinguishing nozzles 7 in the system illustrated here can be designed, for example, as sprinklers according to preferred embodiments of the invention.
- a fire-fighting system could be used, for example, as a sprinkler system in the roll-on / roll-off area of ships.
- the fire-fighting system 100 can also be used as a high-pressure spray nozzle system in buildings or, for example, for fire-fighting in exhaust air systems.
- the fire-fighting system 100 is preferably also equipped with one or more fire parameter detectors 105, whereby according to the invention a fire parameter is understood to mean not only temperature but also electromagnetic radiation, smoke aerosols or fire gases.
- the detectors 105 are connected to a control center 106 to conduct signals via corresponding signal lines 107.
- control center 106 controls the valve station 102 and initiates the opening of the control valve located there, whereby extinguishing fluid can get into the line network 103 and to the extinguishing nozzles 7 .
- extinguishing fluid is usually also in the line network when the sprinklers are closed.
- the fire-fighting system 100 is provided, for example, to fight fires on or in an exhaust duct 205, for example an exhaust duct for a hotplate.
- at least one of the detectors 105 is arranged within the channel 205.
- the extinguishing nozzle adapters are preferably arranged on the one hand in the channel 205 itself and / or in a hood section 203, cf. Figure 6b. As long as the extinguishing nozzles 7 within the extinguishing nozzle adapter 1 in the first, remain in the retracted position, the result is an image such as that in FIG. 6d.
- the cover 5 is opened up here, and air can flow through the exhaust duct 205 or the hood 203 through the extinguishing nozzle 7 without being impaired.
- extinguishing agent is output to the extinguishing nozzles 7, the extinguishing nozzles 7 moving from the retracted position into the second, advanced position, cf. Figure 6c.
- the extinguishing nozzles 7 protrude into the space to which they are assigned, in this case the exhaust duct 205 or the hood 203, and can apply extinguishing agent in the specified orientation.
- the extinguishing nozzles 7 automatically move back into the first, retracted position.
- the exemplary embodiment shown in FIGS. 6a-d applies as an example to all extinguishing nozzle adapters 1, T, 1 "shown in FIGS. 1-5 and the mode of operation can also be transferred to other fire-fighting systems and other rooms that do not have a channel shape.
- the extinguishing nozzle adapter 1 can be installed from outside on the wall of the exhaust duct 205 or the hood 203, and can be aligned in the desired manner.
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)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102019115392.1A DE102019115392A1 (de) | 2019-06-06 | 2019-06-06 | Löschdüsenadapter zur Montage einer Löschdüse an einer Wand, sowie Brandbekämpfungsanlage mit selbigem |
PCT/EP2020/065789 WO2020245451A1 (de) | 2019-06-06 | 2020-06-08 | Löschdüsenadapter zur montage einer löschdüse an einer wand, sowie brandbekämpfungsanlage mit selbigem |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3980139A1 true EP3980139A1 (de) | 2022-04-13 |
Family
ID=71083619
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20732171.2A Pending EP3980139A1 (de) | 2019-06-06 | 2020-06-08 | Löschdüsenadapter zur montage einer löschdüse an einer wand, sowie brandbekämpfungsanlage mit selbigem |
Country Status (5)
Country | Link |
---|---|
US (1) | US20220355328A1 (de) |
EP (1) | EP3980139A1 (de) |
CN (1) | CN220213787U (de) |
DE (1) | DE102019115392A1 (de) |
WO (1) | WO2020245451A1 (de) |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3309976B2 (ja) * | 1991-07-12 | 2002-07-29 | マリオフ・コーポレーシヨン・オー・ワイ | 消防設備 |
DE19823085C1 (de) * | 1998-05-22 | 1999-09-16 | Preussag Ag Minimax | Flachstrahldüse |
FI112395B (fi) * | 2002-04-19 | 2003-11-28 | Marioff Corp Oy | Suihkutuspää |
DK200300314A (da) * | 2003-02-28 | 2004-08-29 | Vid Aps | Beskyttet vandtåge dyse |
US6964379B2 (en) * | 2003-04-07 | 2005-11-15 | Crowley Joseph T | Exterior fire suppression system and method for installation |
EP1537918A1 (de) * | 2003-12-01 | 2005-06-08 | Pnr Italia S.R.L. | Wasserstrahl- Waschdüse |
US9815071B2 (en) * | 2015-04-20 | 2017-11-14 | Dust Solutions, Inc. | Housing for a nozzle |
CN106621144A (zh) * | 2016-12-19 | 2017-05-10 | 中国计量大学 | 抑制可燃粉尘/空气混合物爆炸火焰传播的细水雾喷头 |
-
2019
- 2019-06-06 DE DE102019115392.1A patent/DE102019115392A1/de active Pending
-
2020
- 2020-06-08 CN CN202090000635.0U patent/CN220213787U/zh active Active
- 2020-06-08 EP EP20732171.2A patent/EP3980139A1/de active Pending
- 2020-06-08 US US17/614,112 patent/US20220355328A1/en active Pending
- 2020-06-08 WO PCT/EP2020/065789 patent/WO2020245451A1/de active Application Filing
Also Published As
Publication number | Publication date |
---|---|
CN220213787U (zh) | 2023-12-22 |
US20220355328A1 (en) | 2022-11-10 |
WO2020245451A1 (de) | 2020-12-10 |
DE102019115392A1 (de) | 2020-12-10 |
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