EP3134187B1 - Dispositif d'extinction d'incendie et/ou de protection contre les incendies miniature et compact - Google Patents

Dispositif d'extinction d'incendie et/ou de protection contre les incendies miniature et compact Download PDF

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Publication number
EP3134187B1
EP3134187B1 EP15710744.2A EP15710744A EP3134187B1 EP 3134187 B1 EP3134187 B1 EP 3134187B1 EP 15710744 A EP15710744 A EP 15710744A EP 3134187 B1 EP3134187 B1 EP 3134187B1
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EP
European Patent Office
Prior art keywords
release
fire
trip valve
extinguishing
bearing
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.)
Active
Application number
EP15710744.2A
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German (de)
English (en)
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EP3134187A1 (fr
Inventor
Rüdiger Klug
Bodo Müller
Jürgen Teschner
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Job Lizenz GmbH and Co KG
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Job Lizenz GmbH and Co KG
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Priority to PL15710744T priority Critical patent/PL3134187T3/pl
Publication of EP3134187A1 publication Critical patent/EP3134187A1/fr
Application granted granted Critical
Publication of EP3134187B1 publication Critical patent/EP3134187B1/fr
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Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C37/00—Control of fire-fighting equipment
    • A62C37/08—Control of fire-fighting equipment comprising an outlet device containing a sensor, or itself being the sensor, i.e. self-contained sprinklers
    • A62C37/10—Releasing means, e.g. electrically released
    • A62C37/11—Releasing means, e.g. electrically released heat-sensitive
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C13/00—Portable extinguishers which are permanently pressurised or pressurised immediately before use
    • A62C13/62—Portable extinguishers which are permanently pressurised or pressurised immediately before use with a single permanently pressurised container
    • 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
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C35/00—Permanently-installed equipment
    • A62C35/02—Permanently-installed equipment with containers for delivering the extinguishing substance
    • A62C35/10—Containers destroyed or opened by flames or heat

Definitions

  • the invention relates to a passively thermally controlled release valve having the features of claim 1. It further relates to a fire extinguishing and / or fire protection device provided with such a trigger valve.
  • a housing electrical component component which comprises in one embodiment, an electric reading light for mounting in an aircraft, in the a miniaturized extinguishing device is arranged because of a particular risk of fire of this electrical component within the housing, which is suitable to extinguish or prevent a fire occurring within the housing by release of an extinguishing medium.
  • a thermal sensor is proposed, which may be, for example, a bimetal or a memory metal.
  • thermal bulbs which are closed on both sides, tube-like glass jars, which are filled with a thermal tripping liquid, which upon reaching or exceeding a predetermined release temperature in extends a way that they can burst by the pressure built up the wall of the glass vessel, so that destroys the thermal release element and causes a release of the valve.
  • a similar thermal tripping element as part of a valve arrangement is in the DE 199 11 530 C2 shown, wherein in one embodiment, such as there in the Fig. 4 is shown, the trigger valve has a perforation element in the form of a hollow needle, which hollow needle is arranged on a trigger part.
  • the triggering part is held by a thermal triggering element, again a so-called thermal bulb, in a standby position, is biased by a coil spring in the direction of a release position in which it moves and thereby drives the hollow needle when the thermal release element triggers (the Thermo -Bulb shattered).
  • the hollow needle perforates and pierces a sealing membrane, which closes an overflow channel.
  • the thermal release valve shown here is described in connection with use as a safety valve for a pressurized gas container, which releases an emergency opening for discharging the compressed gas in the event of a triggering temperature exceeding a critical level in order to supply the container which is under pressure and filled with a possibly combustible gas relieve and thus avert a fire or explosion hazard.
  • that can be done in the DE 199 11 530 C2 valve shown but also be thought of as a trigger valve for a fire extinguishing and / or fire protection device, in which a compressed extinguishing medium is present instead of a pressurized combustible compressed gas in the overflow.
  • a reservoir or reservoir for an extinguishing medium is integrated in a housing part, wherein the reservoir is designed so that it releases openings when exceeding a critical temperature, for example, by melting corresponding material of a wall through which opening then the in the storage container disposed extinguishing agent, such as C6-fluoroketone released.
  • thermo-pneumatic triggering element From the DE 102 42 056 B3 is known a thermo-pneumatic triggering element. It can be seen here that there is an increased demand for miniaturized fire extinguishing and / or fire protection devices with which specifically delimited volumes, which are subject to an increased fire risk, can be equipped and protected. This applies, for example, to special areas of and in household appliances, for example, those areas in which heat-producing electronic components are arranged (eg control and control panels with their housing) or areas where corresponding devices themselves produce process heat, as for example in tumble driers Case is.
  • Providing a passively thermally controlled release valve suitable for use in such a fire extinguishing and / or fire protection device is the object of the invention.
  • the passively thermally controlled release valve of the invention is characterized in that the release part is sleeve-like and is seated on the bearing part and in a longitudinal direction of the bearing part on this between the standby position and the release position is movable.
  • This passively thermally controlled release valve thus designated and constructed is particularly suitable for use in the formation of a fire extinguishing and / or fire protection device as described above, but is not limited to such use. It can be just as good eg in one as in the already mentioned DE 199 11 530 C2 described use as a safety valve for a compressed gas tank can be used, or as a trigger valve larger sized fire extinguishing and / or fire protection equipment or systems, eg in the context of sprinkler systems.
  • the passively thermally controlled release valve according to the invention also differs from that in the already mentioned DE 199 11 530 C2 disclosed construction of a similar acting valve, which in said document in Fig. 4 is shown.
  • the thermal triggering element is arranged acentric, so that when a triggering of the triggering element not only in the longitudinal direction of the perforation element shown there in the form of a hollow needle directed force pulse occurs, but also a transversely acting direction to this direction pulse can occur, which lead to tilting or tilting and can affect the effectiveness of this valve.
  • this can be avoided accordingly and a clean axial release force and a corresponding pulse can be achieved.
  • the bearing part with an outer surface, on which the sleeve-like formed release part is seated form a guide for the triggering part in its movement from the ready position to the release position.
  • the corresponding guidance ensures once again that, in the event of triggering, a corresponding movement of the release part and thus of the perforation element from the ready position into the release position occurs, in which the perforation element can perforate a corresponding closure element so as to release a flow path.
  • the triggering part is referred to as sleeve-like design, does not mean that this particular continuous cylindrical has the shape of a sleeve.
  • the release part has a sleeve portion, with which it rests on the bearing part and can be moved along the bearing part.
  • the triggering part next to such a sleeve portion then have a front side closed dome portion which forms a corresponding conclusion of the triggering part.
  • On an inner surface of the dome section can then be provided or formed in particular a bearing surface, which serves as an abutment for one end of the thermal tripping element is used, this end may be in particular an axial end.
  • lateral outlet openings can be provided in the outer wall of the triggering part, which connect the interior of the triggering part to an outer side and which in particular are arranged directly below the dome section.
  • Such outlet openings can serve for distributing an outflowing medium which, in the event of triggering of the triggering valve, flows through the triggering valve up to the outlet openings and is released there to the outside.
  • the bearing part is formed substantially circular cylindrical.
  • a particular also provided with a circular diameter sleeve portion of the trigger part can be placed and performed by this particularly well at a transfer from the ready position to the release position.
  • the bearing part can, according to a possible embodiment of the invention, be connected to a, in particular end-side, end connection structure for connection to and connection to a closed with a perforable closure element outlet opening, wherein it is in this connection structure in particular a thread, eg an internal thread, can act.
  • the release valve according to the invention may further comprise a support bearing for the spring means, which is arranged on the trigger part according to a variant embodiment.
  • This support bearing can in particular be arranged on the release part in a longitudinal extent on a first side of the release part be, and the trigger member may have on a second side opposite the first side an abutment for the thermal release element, in which case seen between the support bearing and the abutment in the longitudinal extent only the spring means and beyond the spring means the thermal release element are arranged.
  • spring means and thermal tripping element can be arranged running along a central axis of the structure in order to achieve the symmetry already described above as advantageous and thus the exact triggering of the passively thermally controlled tripping valve.
  • the support bearing described above may be formed in a variant embodiment in particular by a fixed to opposite wall portions of a sleeve-like portion of the trigger part, extending transversely to the longitudinal extension of the trigger part bearing pin passing through guide slots in the bearing part.
  • Such a construction offers next to the mere creation of the Abstützlagers further advantages.
  • an additional secure leadership especially with regard to a suppression of a rotation possibility of the trigger member then, if this would otherwise be done done.
  • an axial bore can be provided in the bearing part, in which the spring means is arranged and is supported on one side on an axial bore limiting the front end spring bearing.
  • the thermal triggering element may in particular again be a so-called thermal bulb, that is generally a glass vessel completely enclosing an interior space with a triggering liquid enclosed in the interior and expanding at a predetermined triggering temperature until the glass vessel bursts.
  • the perforation element can take various forms, e.g. a perforation needle, in particular a perforated hollow needle, which then immediately forms with its cavity a passage for the guidance of a triggering case of the triggering valve in this inflowing fluid forms a perforating blade or the like.
  • the trigger valve of the invention may comprise a trigger sensor which emits a signal when the thermally controlled trigger valve has triggered.
  • a trigger sensor which emits a signal when the thermally controlled trigger valve has triggered.
  • the trigger valve of the invention may comprise a trigger sensor which emits a signal when the thermally controlled trigger valve has triggered.
  • the trigger valve of the invention may comprise a trigger sensor which emits a signal when the thermally controlled trigger valve has triggered.
  • a trigger sensor which emits a signal when the thermally controlled trigger valve has triggered.
  • the trigger valve of the invention may comprise a trigger sensor which emits a signal when the thermally controlled trigger valve has triggered.
  • This can be done, for example, by opening an electrical contact by mechanically moving and separating two elements of the
  • a thermal tripping element such as a filled with a tripping liquid glass vessel, for example, formed by appropriate coating electrically conductive and integrated into the circuit, this in tripping (if, for example, the glass jar bursts) but interrupts.
  • the trigger sensor may also include an open circuit in the ready position, which is closed by triggering the trigger valve and taking the trigger position, thereby triggering the signal. This closing of a circuit can be effected, for example, by two electrically contacted components of the trigger valve be moved toward each other and brought into mechanical and electrical contact when triggering and taking the trigger position.
  • the triggering sensor system contains a circuit that is closed in the standby position and which is connected via the thermal tripping element, in particular a glass vessel filled with a tripping liquid, e.g. a glass ampoule is guided
  • this circuit can also be used to heat by means of an electric current supplied in this by the thermal effect of the current flowing through the thermal tripping element line section electrical current, the thermal tripping element targeted to the triggering temperature and so to operate a remote release.
  • the corresponding circuit can be formed with the guided over the thermal tripping element line section without a trigger sensor and designed purely as a remote triggering.
  • the invention relates to a novel fire extinguishing and / or fire protection device, which is formed according to the invention from a pressure vessel filled with a pressurized extinguishing medium and a passively thermally controlled release valve according to the first aspect of the invention described above.
  • the pressure vessel in this case has an outlet opening which is closed with a perforatable by a perforation closure element such that the pressurized extinguishing medium is retained in the pressure vessel.
  • a closure element may be, for example, a closure membrane, a closure film, a rupture disk or the like.
  • this closure element on the one hand ensures a retention of the extinguishing medium safe and on the other hand designed in its structure and property such that it can be perforated by the perforation element, so as to open the outlet opening and to allow an exit of the extinguishing medium.
  • the passively thermally controlled release valve is placed directly on the outlet opening, ie. This is important because only in this way can be achieved that the fire extinguishing and / or fire protection device according to the invention of the desired compact and space-saving design and thus as a self-sufficient unit for fire safety in even small-sized compartments and components, eg can be integrated in housed electronics components.
  • the trigger valve is passively thermally controlled, which means that an active trigger control is eliminated, as required for example in corresponding sensors that must transmit sensor signals received by a corresponding receiver and possibly even must be evaluated.
  • passively thermally controlled in this context means that the trigger valve does not need its own power supply, as a whole is independent of an externally applied operating voltage or operating power supply.
  • thermal tripping elements can be, for example, formed from a fusible body, but also as described above, so-called thermal bulbs, so generally glass vessels that completely enclose an interior and in which the interior is filled with a triggering liquid, which upon reaching a predetermined release temperature due thermal expansion and the concomitant pressure development bring the wall of the glass vessel to burst and thus irreversibly destroy the thermal tripping element.
  • the perforation element which belongs to the trigger valve, is held in the fire extinguishing and / or fire protection device according to the invention in a standby position, this being done by the thermal tripping element.
  • the perforation element is further biased towards a release position, e.g. can be done by a corresponding spring or another, comparatively acting clamping means.
  • the release position is such that the perforation element, when it reaches this perforated the closure element and thus opens the outlet opening, so that the pressurized extinguishing medium flow out of the interior of the pressure vessel and can provide the extinguishing effect.
  • the design of the trigger valve is such that at a caused by reaching a predetermined release temperature triggering this valve (by virtue of a response of the thermal trigger element), the perforation element is released and driven by the in the standby position on him biasing bias moves into the release position.
  • the fire hazard Define sections or components.
  • the filled into the internal volume of the extinguishing medium is dimensioned such that it is sufficient in the volume in which the fire extinguishing and / or fire protection device is used, with the appropriate effectiveness to prevent fire or extinguish an already created local fire, on the other hand, damage to adjacent areas is avoided by the fact that not excessively extinguishing medium is released.
  • An extinguishing gas is preferably used as the extinguishing medium, since it can be compressed to a high degree, so that a small accumulation volume for the extinguishing gas when triggered guarantees a sufficiently large displacement volume for the extinguishing effect.
  • the quenching gas in the pressure vessel in particular also be liquefied, so that an even more effective increase in volume is possible.
  • the extinguishing gas is particularly advantageously an oxygen-binding and / or oxygen-displacing extinguishing gas.
  • a quenching gas instead of a quenching gas but other pressurized extinguishing media can be used here, for example, a mixture of a propellant and an example powdery or an aerosol form-taking extinguishing agent or a corresponding extinguishing liquid.
  • an extinguishing gas is preferred, on the one hand for the reasons already described above, but on the other hand, since corresponding gases in a triggering case cause the least damage, so that in particular unaffected by the fire components and components in the environment a larger-scale device, such as an electrically operated domestic appliance, such as a tumble dryer, a washing machine, a dishwasher or the like., Are located, not be affected when the fire extinguishing and / or fire protection device triggers.
  • a suitably equipped larger device can be easily restored by the affected by the fire component, such as an electronic switching panel with housing enclosure, exchanged and replaced with a new, preferably again secured with a fire extinguishing and / or fire protection device according to the invention, component ,
  • the trigger valve of the fire extinguishing and / or fire protection device in one possible embodiment, a connected to the outlet opening media guide channel and also distribution openings for the extinguishing medium, by means of which a distribution of the extinguishing medium takes place in the event of triggering.
  • the media guide channel then passes the emerging from the outlet opening extinguishing medium into the interior of the trigger valve to the distribution openings, which may be e.g. can act around distributor nozzles, so that a targeted distribution of the extinguishing medium can take place in the case of triggering.
  • the distribution openings can be designed and arranged depending on the local conditions, so that a distribution of the extinguishing medium takes place in such a way that it can be delivered directly and in the shortest possible paths and quickly towards fire-prone areas.
  • the pressure vessel of the fire extinguishing and / or fire protection device according to the invention in the region of the outlet opening have a first screw and the trigger valve in a connecting portion may have a complementary to the first screw second screw thread, so that to form the fire extinguishing and / or fire protection device of the pressure vessel and the trigger valve are connected by screwing first and second screw thread.
  • the first screw thread an external thread and the second screw thread be an internal thread.
  • This variant allows for easy installation of the fire extinguishing and / or fire protection device according to the invention, wherein first the pressure vessel is filled with the extinguishing medium and closed by the closure element, which closure element is placed in this case in particular in the region of the outlet opening on a screw thread limiting top edge of this outlet opening, and Subsequently, the trigger valve is screwed on. It is certainly obvious that the release position of the perforation of the trigger valve is designed and located so that it is in the region of the connecting portion in which the trigger valve has the second screw, or the perforation in this area in the release position, the closure element of the outlet opening Perforate and open the pressure vessel.
  • the fire extinguishing and / or fire protection device have a trigger sensor that emits a signal when the thermally controlled release valve has triggered.
  • a triggering sensor can e.g. comprise an electrical conductor which is interrupted when the thermal tripping valve is triggered, thus interrupting a sensor circuit.
  • the trigger sensor can be formed by a normally open circuit, which is closed by triggering the thermal release valve and possibly the movement of components thereof and thus emits a signal.
  • the signal of a triggering sensor can e.g. can be used to trigger an alarm, but it can also be used to control other automatic actions, e.g. to trigger further extinguishing mechanisms to close fire protection barriers or the like.
  • Fig. 1 is first schematically shown in a sectional view of a fire extinguishing or fire protection device according to the invention, which is provided with the reference numeral 1.
  • This fire extinguishing or fire protection device 1 contains as essential components a pressure vessel 2 and a passively thermally controlled release valve 10.
  • the pressure vessel 2 is shown designed in the manner of a print cartridge and includes an outer wall 3, which may be formed of a metal such as stainless steel, for example and enclosing an inner volume 7.
  • the pressure vessel 2 has an outlet opening 4, which is sealingly closed with a sealing film 5. In a neck-shaped region near the outlet opening 4, the pressure vessel 2 has an external thread 6.
  • the closure film 5 is chosen to be strong and resilient, so that they are in the inner volume. 7 prevailing, can be resisted by the compressed extinguishing agent pressure.
  • the trigger valve 10 is screwed with a connector to which an internal thread 25 is mounted on the neck-shaped portion with the outlet opening 4 of the pressure vessel 2 and the external thread 6 provided there, and so connected to the pressure vessel 2 into a unit, the total fire extinguishing or fire protection device 1 forms.
  • the triggering valve 10 is placed directly on the pressure vessel 2 and connected thereto, without being interposed here, for example, by a long-running pressure line or the like.
  • the component shown here is made compact, e.g. a total longitudinal extent of about 100 mm (sum of the lengths of the pressure vessel 2 and the trigger valve 10) and an overall diameter at the widest point of about 20 to 25 mm.
  • the capacity of the inner volume 7 of the pressure vessel may be 50 ml to 100 ml in this example.
  • the trip valve 10 which in itself also constitutes a separate subject of the invention and in particular is not limited in use within the scope of a fire extinguishing or fire protection device as shown herein, but may also be used in other applications as a thermally controlled trigger valve, comprises first two essential main components, namely a bearing part 11, on which the internal thread 25 is formed and which is correspondingly fixed in position connected to the pressure vessel 2, and a trigger part 12. It can be seen that the trigger member 12 is sleeve-like placed on the bearing member 11, wherein the interaction of an outer circumferential surface of the here formed cylindrical support member 11 and a corresponding inner surface of the trigger member 12 is a guide for a possible longitudinal movement of the trigger member 12 relative to the bearing member 11 is formed.
  • a perforation element 13 On the trigger part 12 is a perforation element 13, here in the form of a perforation needle, in particular perforated hollow needle, fixed and extends in a longitudinal direction in the direction of the possible direction of movement of the trigger part 12 relative to the bearing part 11.
  • a bore 14 is introduced in the axial direction, in which a compression spring 14 is inserted.
  • This compression spring 14 is supported on the one hand on a bearing pin 16 which is connected to the bearing part 11 transversely with the respective outer wall of the sleeve-shaped release part, and on the other hand on a spring bearing 17 from which spring bearing 17 is formed by a frontal taper or contact edge of the bore 14 ,
  • the compression spring 15 acts as a spring means between the bearing part 11 and the trigger part 12 and clamped in the here in Fig. 1 shown ready position of the trigger valve 10, the trigger member 12 in a manner to be described in more detail in a triggering position.
  • the bearing part 11 has on its the spring bearing 17 opposite outer end face on a funnel-shaped recess 18 which is connected via a continuation of the bore 14 (with a smaller diameter) with this bore to form a media channel.
  • guide slots 19 are further formed, which are penetrated as extending in the axial longitudinal direction slots or longitudinal slots of the bearing pin 16 and this open a possibility of movement along the longitudinal slots 19 and provide a guide.
  • the trigger member 12 has, in addition to a sleeve-shaped portion 21 with which it rests on the bearing part 11, a dome portion 20 closing the trigger part 21 at its end face opposite the fitting with the internal thread 25.
  • abutment 22 is formed for an elongated, arranged along the longitudinal axis of the thermal trigger element 24, which is supported with a longitudinal end on the abutment 22 and a second longitudinal end in the funnel-shaped recess 18 of the bearing part 11.
  • the thermal trip element 24 thus maintains the trigger valve 10 in its standby position by preventing the trigger member 12 from moving toward the pressure vessel 2 moves, a movement that would be triggered in the absence of the thermal tripping element 24 due to the force exerted by the compression spring 15 spring force.
  • outflow openings 23 are provided along the circumference, distributed in the lateral wall of the release part 12, through which, in the case of a perforation of the closure film 5 caused by the perforation element 13, as described below, out of the inner volume 7 Extinguishing medium, which previously flows through the through the bore 14, the passage into the funnel-shaped recess 18 and the inner region of the dome portion 20 formed media channel can flow in radial distribution.
  • the triggering element 24 here in the form of the thermal bulb
  • the triggering element 24 can also be viewed in the ready position and thus inspected for any damage or irregularities, eg a loss of the normally colored triggering liquid.
  • Fig. 1 the trigger valve is shown in a ready position.
  • the thermal tripping element 24 which may be a so-called thermo-bulb, that is to say a glass vessel which completely encloses an interior which is filled with a triggering liquid, in particular a glass tube sealed on both sides, triggers
  • a triggering liquid in particular a glass tube sealed on both sides
  • Fig. 2a shows the thermal release valve once again in the ready position, in which the thermal release element 24 is intact and in its between the bearing part 11 and the trigger part 12th clamped position the trigger member 12 is supported in the standby position against the force exerted by the compression spring 15 and acting in the direction of a release force.
  • Fig. 2c It is now shown how the release valve 10 has reached the release position in which the perforation element 13 pierces a closure element, for example the closure film 5, that is perforated.
  • a closure element such as the sealing film 5 retained medium from a container, in particular the extinguishing medium contained in the pressure vessel 2 in the direction of the arrow P of Fig. 2c flow out and enters the trigger valve 10 into it.
  • the closure element such as the sealing film 5 retained medium from a container, in particular the extinguishing medium contained in the pressure vessel 2 in the direction of the arrow P of Fig. 2c flow out and enters the trigger valve 10 into it.
  • Fig. 2d is finally shown, further along the media channel in the direction of the arrows P shown there and exits in there designated L extinguishing agent clouds from the discharge openings 23.
  • the trigger valve 10 is here that by the special design of the Bearing element 11 and the sleeve-shaped sitting on it and relatively movable to this trigger element 12, which carries the perforation member 13 and symmetrically to the central axis of the trigger valve 10 and successively seen arrangement of the compression spring 15 and the thermal release element 24 a very symmetrical design can be achieved with the Advantage of a triggering case very exactly directed in the direction of the desired displacement force that is exerted by the compression spring 15, without causing an asymmetric arrangement of one of the elements here unwanted and disturbing lateral impulses.
  • FIGS. 3 and 4 is - here isolated and without the pressure vessel - a modification of a trigger valve 10 shown in a side view ( Fig. 3 ) and one along the section line AA according to Fig. 3 taken sectional view ( Fig. 4 ).
  • This release valve is constructed in the essential elements and functional parts as well as in the FIGS. 1 and 2 shown. Therefore, the elements that are correspondingly functionally identical in each case, also provided with identical reference numerals. They work, as far as deviations are not explained below, as described above on the basis of FIGS. 1 and 2 described way together. Accordingly, with regard to the structure and the basic function of the trigger element 10 according to the FIGS. 3 and 4 to the above description of the embodiment of the FIGS. 1 and 2 Referenced.
  • FIGS. 1 and 2 A difference in structure between the embodiments according to the FIGS. 1 and 2 on one side and the other FIGS. 3 and 4 on the other hand, there is the design of the abutment 22, on which the thermal release element is supported. While at the in the FIGS. 1 and 2 shown example of this abutment 22 is simply formed on an inner surface of the dome portion 20 is in the embodiment of the FIGS. 3 and 4 an abutment portion 26 is provided.
  • This abutment member 26 is inserted with the interposition of an electrical insulating member 27 which electrically isolates the formed of an electrically conductive material abutment member 26 of the likewise electrically conductive trigger member 12 in an opening in the dome portion 20 and points to a lying inside the trigger member 12 , the thermal tripping element 24 facing surface, the actual abutment 22 in the form of a depression.
  • the pair of abutment member 26 and electrical insulating member 27 is in the opening of the dome portion 20 in which this pairing is used, fixed and fixed, for example by press fitting.
  • An end of the abutment portion 26 shown in the figures above is made outwardly through the dome portion 20 so as to be exposed.
  • An electrical line 28 is fixed with a clamping screw 30 at this end of the abutment part 26 and contacts the abutment part 26 there electrically.
  • a further electrical line 29 is fixed to the bearing part 11 with a clamping screw 31 in the area in which the internal thread 25 is formed, and is electrically connected there.
  • the bearing member 11 is also formed of an electrically conductive material, e.g. Brass or stainless steel.
  • the thermal tripping element 24 is provided with an electrical line, here with an electrically conductive coating 32, which extends over the entire length of the thermal tripping element 24.
  • this electrically conductive coating 32 extends continuously into the areas in which the thermal release element 24 lies in the funnel-shaped recess 18 in the bearing part 11 and there in mechanical communication with the material of the bearing part 11, and also into the areas, in which the thermal tripping element 24 rests against the abutment 22 of the abutment part 26 and there with the material the abutment part 26 is in mechanical connection.
  • a continuous electrical connection from the electrical line 28 via the abutment part 26, the electrically conductive coating 32 and the bearing part 11 to the electrical line 29 is given.
  • the two electrical lines 28 and 29 can be connected to an electrical sensor circuit and thereby a closed, monitored circuit can be created.
  • the thermal triggering element 24 triggers, so bursts, as is clear from the FIGS. 2 a) to c) is described for the same-acting first embodiment of the thermal tripping valve 10, the portion of the electrical connection formed by the electrically conductive coating 32 is interrupted and thus the circuit as a whole. A detected at this point, for example, by the sensor circuit voltage drop can then be interpreted as a signal for triggering the thermal tripping valve 10 and thus also equipped with this compact fire extinguishing and / or fire protection device 1.
  • This signal can then be used in turn, for example, to issue an alarm to indicate that the fire extinguishing and / or fire protection device 1 must be replaced, trigger other actions, eg to trigger more extinguishing equipment, or the like.
  • the sensor system selected here which normally has a closed circuit, is therefore preferable to one which only closes a circuit in a tripping case, since it does not threaten to fail in the event of a power failure, but in such a case an alarm outputs.
  • the continuous electrical connection of the electrical line 28 via the abutment portion 26, the electrically conductive coating 32 and the bearing part 11 to the electrical line 29 and a circuit constructed therewith can also alternatively or additionally to the formation of a trigger sensor for the formation of a remote release of the Valve be used. Namely, if a high current, be it for a certain duration or even only as a time-limited pulse, fed into this line, it heats up due to the electrical Resistance, the conductive coating 32 and thereby leads to a heat input into the triggering liquid, which then leads to bursting of the thermal tripping element 24, so that the valve then triggers.
  • FIGS. 3 and 4 shown embodiment of the thermal tripping valve for forming the fire extinguishing and / or fire protection device 1 of the invention in the as in Fig. 1 can be combined with a gas cylinder as shown there and shown, and that the triggering process then proceeds as in the FIGS. 2 a) to c) shown, with the difference that in addition by the trigger sensor, a signal is output.

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  • 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)
  • Safety Valves (AREA)

Claims (20)

  1. Soupape de déclenchement à commande thermique passive, notamment pour la réalisation d'un dispositif d'extinction d'incendie et/ou de protection contre les incendies, avec une partie palier (11),
    un élément de déclenchement (12) mobile par rapport à la partie palier (11) entre une position d'attente et une position de déclenchement, un élément de perforation (13) agencé sur la élément de déclenchement (12), un moyen de ressort (15) agencé entre la partie palier (11) et l'élément de déclenchement(12), qui sollicite l'élément de déclenchement (12) par rapport à la partie palier (11) dans la position de déclenchement, et
    un élément de déclenchement thermique (24) maintenant l'élément de déclenchement (12) contre la sollicitation du moyen de ressort (15) dans la position d'attente,
    dans lequel
    l'élément de déclenchement (12) est en forme de manchon au moins dans une section (21),
    caractérisée en ce que la partie en forme de manchon (21) de l'élément de déclenchement (12) est logée sur la partie palier (11) et est mobile dans une direction longitudinale de la partie palier (11) sur cette dernière entre la position d'attente et la position de déclenchement.
  2. Soupape de déclenchement selon la revendication 1, caractérisée en ce que la partie palier pourvue d'une surface extérieure, sur laquelle un élément de déclenchement en forme de manchon (12) repose au moins dans une partie (21), constitue un guidage pour l'élément de déclenchement dans son mouvement allant de la position d'attente à la position de déclenchement.
  3. Soupape de déclenchement selon l'une quelconque des revendications précédentes, caractérisée en ce que l'élément de déclenchement (12) comporte une partie manchon (21) et une partie en forme de dôme (20) refermée sur sa face avant.
  4. Soupape de déclenchement selon la revendication 3, caractérisée en ce qu'une surface de palier de butée (22) est constituée sur une surface intérieure de la partie dôme (20), par une extrémité particulièrement axiale de l'élément de déclenchement thermique (24).
  5. Soupape de déclenchement selon l'une des revendications 3 ou 4, caractérisée par des ouvertures de sortie latérales (23) dans la paroi extérieure de l'élément de déclenchement (12), qui relient son côté intérieur avec un côté extérieur et qui sont disposées en particulier directement en dessous de la partie dôme (20).
  6. Soupape de déclenchement selon l'une quelconque des revendications précédentes, caractérisée en ce que la partie palier (11) est de forme sensiblement circulaire et cylindrique.
  7. Soupape de déclenchement selon l'une quelconque des revendications précédentes, caractérisée en ce que la partie palier (11) présente à une extrémité, en particulier avant, une structure de connexion, en particulier un filetage (25), pour la connexion à une ouverture de sortie (4) et pour la connexion avec une ouverture de sortie (4), scellée hermétiquement sur un élément de fermeture perforable (5).
  8. Soupape de déclenchement selon l'une quelconque des revendications précédentes, caractérisée par un palier support (16) pour le moyen à ressort (15) disposé sur l'élément de déclenchement (12).
  9. Soupape de déclenchement selon la revendication 8, caractérisée en ce que l'élément de déclenchement (12) dans une direction longitudinale sur un premier côté du palier support (16) pour le moyen de ressort (15) et sur un second côté, opposé au premier côté une butée (22) pour l'élément de déclenchement thermique (24), dans lequel d'une part le moyen de ressort (15) et au-delà le moyen de ressort (15) puis l'élément de déclenchement thermique (24) sont disposés entre le palier support (16) et la butée (22) vus successivement dans l'extension longitudinale.
  10. Soupape de déclenchement selon l'une des revendications 8 ou 9, caractérisée en ce que le palier support (16) est constitué d'un axe de palier, qui est fixé à des parties de parois opposées d'une section (21) de la partie de déclen-chement en forme de manchon (12) et qui se prolonge transversalement à l'étendue longitudinale de l'élément de déclenchement (12) passant à travers des fentes de guidage (19) dans la partie palier (11).
  11. Soupape de déclenchement selon l'une quelconque des revendications précé-dentes, caractérisée par un alésage axial (14) dans la partie palier (11), dans laquelle le moyen de ressort (15) est disposé et est supporté sur un palier de ressort (17) qui délimite l'alésage axial (14) frontalement.
  12. Soupape de déclenchement selon l'une quelconque des revendications précé-dentes, caractérisée par un récipient en verre qui entoure complètement un espace intérieur avec un liquide de déclenchement à l'intérieur et se dilatant à une température de déclenchement prédéterminée jusqu'à ce que le récipient en verre explose comme élément de séparation thermique (24).
  13. Soupape de déclenchement selon l'une quelconque des revendications précé-dentes, caractérisée par une aiguille de perforation comme élément de perforation (13).
  14. Soupape de déclenchement selon l'une quelconque des revendications précé-dentes, caractérisée en ce qu'elle contient un capteur de déclenchement (28, 26, 32, 11, 29) qui émet un signal lorsque la soupape de déclenchement à commande thermique (10) s'est déclenchée.
  15. Soupape de déclenchement selon l'une quelconque des revendications précé-dentes, caractérisée en ce qu'elle contient un dispositif de déclenchement à distance actionné électriquement.
  16. Dispositif d'extinction d'incendie et/ou de protection contre les incendies formé à partir d'un récipient sous pression (2) rempli d'un agent extincteur sous pression (L) et présentant une ouverture de sortie (4), qui est fermée par un élément de fermeture (5) qui peut être perforé au moyen d'un élément de perforation (13)de telle sorte que le milieu d'extinction sous pression (L) est retenu dans le récipient sous pression (2) et une soupape de déclenchement à commande thermique passive (10) selon l'une quelconque des revendications précédentes, fixée directement à l'ouverture de sortie (4),
    dans lequel l'élément de perforation (13) est sollicité dans la direction d'une position de déclenchement et maintenu par l'élément de déclenchement thermique (24) dans une position d'attente différente de la position de déclenchement et dans lequel l'élément de déclenchement thermique (24) libère l'élément de perforation (13) une fois qu'une température de déclenchement prédéterminée a été atteinte, de telle manière que, en raison à la précontrainte appliquée sur celui-ci en position de repos, il se déplace dans la position de déclenchement par laquelle il perfore l'élément de fermeture (5).
  17. Dispositif d'extinction d'incendie et/ou de protection contre les incendies selon la revendication 16, caractérisé en ce que le récipient sous pression (2) a un volume interne (7) de 10 ml à 1500 ml.
  18. Dispositif d'extinction d'incendie et/ou de protection contre les incendies selon l'une des revendications 16 ou 17, caractérisé en ce que le milieu extincteur (L) est un gaz d'extinction liant et/ou déplaçant l'oxygène.
  19. Dispositif d'extinction d'incendie et/ou de protection contre les incendies selon l'une des revendications 16 à 18, caractérisé en ce que la soupape de déclenchement (10) comporte un canal de guidage de produit relié à l'ouverture de sortie (4) et des ouvertures de distribution (23) pour le produit extincteur (L), au moyen duquel le produit extincteur (L) est délivré en cas de déclenchement.
  20. Dispositif d'extinction d'incendie et/ou de protection contre les incendies selon l'une quelconque des revendications 16 à 19, caractérisé en ce que le récipient sous pression (2) comporte un premier filetage de vis (6) dans la région de l'ouverture de sortie (4) et en ce que la soupape de déclenchement (10) comporte un second filetage (25) complémentaire du premier filetage (6) dans une section de connexion, dans lequel le récipient sous pression (2) et la soupape de déclenchement (10) sont vissés en vissant le premier filetage (6) et le second filetage (25) pour constituer le dispositif d'extinction et/ou de protection contre les incendies (1).
EP15710744.2A 2014-04-22 2015-03-11 Dispositif d'extinction d'incendie et/ou de protection contre les incendies miniature et compact Active EP3134187B1 (fr)

Priority Applications (1)

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PL15710744T PL3134187T3 (pl) 2014-04-22 2015-03-11 Kompaktowe miniaturowe urządzenie gaśnicze, względnie przeciwpożarowe

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DE202014101880.8U DE202014101880U1 (de) 2014-04-22 2014-04-22 Kompakte Miniatur-Feuerlösch- bzw. Brandschutzeinrichtung
PCT/EP2015/055039 WO2015161955A1 (fr) 2014-04-22 2015-03-11 Dispositif d'extinction d'incendie et/ou de protection contre les incendies miniature et compact

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KR (1) KR102035895B1 (fr)
DE (1) DE202014101880U1 (fr)
ES (1) ES2667126T3 (fr)
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KR20210047767A (ko) 2019-10-22 2021-04-30 김성호 소형자동소화장치 및　제어시스템
CN111298349A (zh) * 2020-04-15 2020-06-19 安徽世纪凯旋消防科技有限公司 一种消防用二氧化碳钢瓶自动刺破装置
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RU210311U1 (ru) * 2021-12-17 2022-04-06 Общество с ограниченной ответственностью "ПироХимика" Запорно-пусковое устройство для резервуаров с текучим огнегасящим составом
KR102614735B1 (ko) 2022-01-10 2023-12-14 이강호 소형 자동소화장치
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US11364400B2 (en) 2019-03-01 2022-06-21 Marioff Corporation Oy Sprinkler head with a bulb having an embedded RFID circuit

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EP3134187A1 (fr) 2017-03-01
US10518119B2 (en) 2019-12-31
WO2015161955A1 (fr) 2015-10-29
KR102035895B1 (ko) 2019-10-23
US20170036048A1 (en) 2017-02-09
PL3134187T3 (pl) 2018-07-31
HUE036592T2 (hu) 2018-07-30
KR20160144977A (ko) 2016-12-19
ES2667126T3 (es) 2018-05-09
DE202014101880U1 (de) 2014-05-13

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